/* * Copyright (C) 2011 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.android.ex.chips; import android.app.Dialog; import android.content.ClipData; import android.content.ClipDescription; import android.content.ClipboardManager; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnDismissListener; import android.content.res.Resources; import android.content.res.TypedArray; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.Point; import android.graphics.Rect; import android.graphics.RectF; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.os.AsyncTask; import android.os.Build; import android.os.Handler; import android.os.Looper; import android.os.Message; import android.os.Parcelable; import android.text.Editable; import android.text.InputType; import android.text.Layout; import android.text.Spannable; import android.text.SpannableString; import android.text.SpannableStringBuilder; import android.text.Spanned; import android.text.TextPaint; import android.text.TextUtils; import android.text.TextWatcher; import android.text.method.QwertyKeyListener; import android.text.style.ImageSpan; import android.text.util.Rfc822Token; import android.text.util.Rfc822Tokenizer; import android.util.AttributeSet; import android.util.Log; import android.util.TypedValue; import android.view.ActionMode; import android.view.ActionMode.Callback; import android.view.DragEvent; import android.view.GestureDetector; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewParent; import android.view.inputmethod.EditorInfo; import android.view.inputmethod.InputConnection; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.Button; import android.widget.Filterable; import android.widget.ListAdapter; import android.widget.ListPopupWindow; import android.widget.ListView; import android.widget.MultiAutoCompleteTextView; import android.widget.ScrollView; import android.widget.TextView; import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; import com.android.ex.chips.recipientchip.DrawableRecipientChip; import com.android.ex.chips.recipientchip.InvisibleRecipientChip; import com.android.ex.chips.recipientchip.VisibleRecipientChip; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Collections; import java.util.Comparator; import java.util.HashSet; import java.util.List; import java.util.Map; import java.util.Set; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * RecipientEditTextView is an auto complete text view for use with applications * that use the new Chips UI for addressing a message to recipients. */ public class RecipientEditTextView extends MultiAutoCompleteTextView implements OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, TextView.OnEditorActionListener { private static final char COMMIT_CHAR_COMMA = ','; private static final char COMMIT_CHAR_SEMICOLON = ';'; private static final char COMMIT_CHAR_SPACE = ' '; private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) + String.valueOf(COMMIT_CHAR_SPACE); private static final String TAG = "RecipientEditTextView"; private static int DISMISS = "dismiss".hashCode(); private static final long DISMISS_DELAY = 300; // TODO: get correct number/ algorithm from with UX. // Visible for testing. /*package*/ static final int CHIP_LIMIT = 2; private static final int MAX_CHIPS_PARSED = 50; private static int sSelectedTextColor = -1; // Resources for displaying chips. private Drawable mChipBackground = null; private Drawable mChipDelete = null; private Drawable mInvalidChipBackground; private Drawable mChipBackgroundPressed; private float mChipHeight; private float mChipFontSize; private float mLineSpacingExtra; private int mChipPadding; /** * Enumerator for avatar position. See attr.xml for more details. * 0 for end, 1 for start. */ private int mAvatarPosition; private static final int AVATAR_POSITION_END = 0; private static final int AVATAR_POSITION_START = 1; /** * Enumerator for image span alignment. See attr.xml for more details. * 0 for bottom, 1 for baseline. */ private int mImageSpanAlignment; private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; private boolean mDisableDelete; private Tokenizer mTokenizer; private Validator mValidator; private DrawableRecipientChip mSelectedChip; private Bitmap mDefaultContactPhoto; private ImageSpan mMoreChip; private TextView mMoreItem; // VisibleForTesting final ArrayList mPendingChips = new ArrayList(); private Handler mHandler; private int mPendingChipsCount = 0; private boolean mNoChips = false; private ListPopupWindow mAlternatesPopup; private ListPopupWindow mAddressPopup; // VisibleForTesting ArrayList mTemporaryRecipients; private ArrayList mRemovedSpans; private boolean mShouldShrink = true; // Chip copy fields. private GestureDetector mGestureDetector; private Dialog mCopyDialog; private String mCopyAddress; /** * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a * selected chip. */ private OnItemClickListener mAlternatesListener; private int mCheckedItem; private TextWatcher mTextWatcher; // Obtain the enclosing scroll view, if it exists, so that the view can be // scrolled to show the last line of chips content. private ScrollView mScrollView; private boolean mTriedGettingScrollView; private boolean mDragEnabled = false; // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before // parens, so numbers such as "1 (425) 222-2342" match. private static final Pattern PHONE_PATTERN = Pattern.compile( // sdd = space, dot, or dash "(\\+[0-9]+[\\- \\.]*)?" // +* + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1()* + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // + private final Runnable mAddTextWatcher = new Runnable() { @Override public void run() { if (mTextWatcher == null) { mTextWatcher = new RecipientTextWatcher(); addTextChangedListener(mTextWatcher); } } }; private IndividualReplacementTask mIndividualReplacements; private Runnable mHandlePendingChips = new Runnable() { @Override public void run() { handlePendingChips(); } }; private Runnable mDelayedShrink = new Runnable() { @Override public void run() { shrink(); } }; private int mMaxLines; private static int sExcessTopPadding = -1; private int mActionBarHeight; private boolean mAttachedToWindow; private DropdownChipLayouter mDropdownChipLayouter; public RecipientEditTextView(Context context, AttributeSet attrs) { super(context, attrs); setChipDimensions(context, attrs); if (sSelectedTextColor == -1) { sSelectedTextColor = context.getResources().getColor(android.R.color.white); } mAlternatesPopup = new ListPopupWindow(context); mAddressPopup = new ListPopupWindow(context); mCopyDialog = new Dialog(context); mAlternatesListener = new OnItemClickListener() { @Override public void onItemClick(AdapterView adapterView,View view, int position, long rowId) { mAlternatesPopup.setOnItemClickListener(null); replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) .getRecipientEntry(position)); Message delayed = Message.obtain(mHandler, DISMISS); delayed.obj = mAlternatesPopup; mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); clearComposingText(); } }; setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); setOnItemClickListener(this); setCustomSelectionActionModeCallback(this); mHandler = new Handler() { @Override public void handleMessage(Message msg) { if (msg.what == DISMISS) { ((ListPopupWindow) msg.obj).dismiss(); return; } super.handleMessage(msg); } }; mTextWatcher = new RecipientTextWatcher(); addTextChangedListener(mTextWatcher); mGestureDetector = new GestureDetector(context, this); setOnEditorActionListener(this); setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); } protected void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { mDropdownChipLayouter = dropdownChipLayouter; } @Override protected void onDetachedFromWindow() { super.onDetachedFromWindow(); mAttachedToWindow = false; } @Override protected void onAttachedToWindow() { super.onAttachedToWindow(); mAttachedToWindow = true; } @Override public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { if (action == EditorInfo.IME_ACTION_DONE) { if (commitDefault()) { return true; } if (mSelectedChip != null) { clearSelectedChip(); return true; } else if (focusNext()) { return true; } } return false; } @Override public InputConnection onCreateInputConnection(EditorInfo outAttrs) { InputConnection connection = super.onCreateInputConnection(outAttrs); int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { // clear the existing action outAttrs.imeOptions ^= imeActions; // set the DONE action outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; } if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; } outAttrs.actionId = EditorInfo.IME_ACTION_DONE; outAttrs.actionLabel = getContext().getString(R.string.done); return connection; } /*package*/ DrawableRecipientChip getLastChip() { DrawableRecipientChip last = null; DrawableRecipientChip[] chips = getSortedRecipients(); if (chips != null && chips.length > 0) { last = chips[chips.length - 1]; } return last; } @Override public void onSelectionChanged(int start, int end) { // When selection changes, see if it is inside the chips area. // If so, move the cursor back after the chips again. DrawableRecipientChip last = getLastChip(); if (last != null && start < getSpannable().getSpanEnd(last)) { // Grab the last chip and set the cursor to after it. setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); } super.onSelectionChanged(start, end); } @Override public void onRestoreInstanceState(Parcelable state) { if (!TextUtils.isEmpty(getText())) { super.onRestoreInstanceState(null); } else { super.onRestoreInstanceState(state); } } @Override public Parcelable onSaveInstanceState() { // If the user changes orientation while they are editing, just roll back the selection. clearSelectedChip(); return super.onSaveInstanceState(); } /** * Convenience method: Append the specified text slice to the TextView's * display buffer, upgrading it to BufferType.EDITABLE if it was * not already editable. Commas are excluded as they are added automatically * by the view. */ @Override public void append(CharSequence text, int start, int end) { // We don't care about watching text changes while appending. if (mTextWatcher != null) { removeTextChangedListener(mTextWatcher); } super.append(text, start, end); if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { String displayString = text.toString(); if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { // We have no separator, so we should add it super.append(SEPARATOR, 0, SEPARATOR.length()); displayString += SEPARATOR; } if (!TextUtils.isEmpty(displayString) && TextUtils.getTrimmedLength(displayString) > 0) { mPendingChipsCount++; mPendingChips.add(displayString); } } // Put a message on the queue to make sure we ALWAYS handle pending // chips. if (mPendingChipsCount > 0) { postHandlePendingChips(); } mHandler.post(mAddTextWatcher); } @Override public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { super.onFocusChanged(hasFocus, direction, previous); if (!hasFocus) { shrink(); } else { expand(); } } private int getExcessTopPadding() { if (sExcessTopPadding == -1) { sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); } return sExcessTopPadding; } @Override public void setAdapter(T adapter) { super.setAdapter(adapter); BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { @Override public void onChanged(List entries) { // Scroll the chips field to the top of the screen so // that the user can see as many results as possible. if (entries != null && entries.size() > 0) { scrollBottomIntoView(); } } }); baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); } protected void scrollBottomIntoView() { if (mScrollView != null && mShouldShrink) { int[] location = new int[2]; getLocationOnScreen(location); int height = getHeight(); int currentPos = location[1] + height; // Desired position shows at least 1 line of chips below the action // bar. We add excess padding to make sure this is always below other // content. int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); if (currentPos > desiredPos) { mScrollView.scrollBy(0, currentPos - desiredPos); } } } protected ScrollView getScrollView() { return mScrollView; } @Override public void performValidation() { // Do nothing. Chips handles its own validation. } private void shrink() { if (mTokenizer == null) { return; } long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { clearSelectedChip(); } else { if (getWidth() <= 0) { // We don't have the width yet which means the view hasn't been drawn yet // and there is no reason to attempt to commit chips yet. // This focus lost must be the result of an orientation change // or an initial rendering. // Re-post the shrink for later. mHandler.removeCallbacks(mDelayedShrink); mHandler.post(mDelayedShrink); return; } // Reset any pending chips as they would have been handled // when the field lost focus. if (mPendingChipsCount > 0) { postHandlePendingChips(); } else { Editable editable = getText(); int end = getSelectionEnd(); int start = mTokenizer.findTokenStart(editable, end); DrawableRecipientChip[] chips = getSpannable().getSpans(start, end, DrawableRecipientChip.class); if ((chips == null || chips.length == 0)) { Editable text = getText(); int whatEnd = mTokenizer.findTokenEnd(text, start); // This token was already tokenized, so skip past the ending token. if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { whatEnd = movePastTerminators(whatEnd); } // In the middle of chip; treat this as an edit // and commit the whole token. int selEnd = getSelectionEnd(); if (whatEnd != selEnd) { handleEdit(start, whatEnd); } else { commitChip(start, end, editable); } } } mHandler.post(mAddTextWatcher); } createMoreChip(); } private void expand() { if (mShouldShrink) { setMaxLines(Integer.MAX_VALUE); } removeMoreChip(); setCursorVisible(true); Editable text = getText(); setSelection(text != null && text.length() > 0 ? text.length() : 0); // If there are any temporary chips, try replacing them now that the user // has expanded the field. if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { new RecipientReplacementTask().execute(); mTemporaryRecipients = null; } } private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { paint.setTextSize(mChipFontSize); if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "Max width is negative: " + maxWidth); } return TextUtils.ellipsize(text, paint, maxWidth, TextUtils.TruncateAt.END); } /** * Creates a bitmap of the given contact on a selected chip. * * @param contact The recipient entry to pull data from. * @param paint The paint to use to draw the bitmap. */ private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { paint.setColor(sSelectedTextColor); Bitmap photo; if (mDisableDelete) { // Show the avatar instead if we don't want to delete photo = getAvatarIcon(contact); } else { photo = ((BitmapDrawable) mChipDelete).getBitmap(); } return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); } /** * Creates a bitmap of the given contact on a selected chip. * * @param contact The recipient entry to pull data from. * @param paint The paint to use to draw the bitmap. */ // TODO: Is leaveBlankIconSpacer obsolete now that we have left and right attributes? private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, boolean leaveBlankIconSpacer) { Drawable background = getChipBackground(contact); Bitmap photo = getAvatarIcon(contact); paint.setColor(getContext().getResources().getColor(android.R.color.black)); return createChipBitmap(contact, paint, photo, background); } private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint, Bitmap icon, Drawable background) { if (background == null) { Log.w(TAG, "Unable to draw a background for the chips as it was never set"); return Bitmap.createBitmap( (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); } Rect backgroundPadding = new Rect(); background.getPadding(backgroundPadding); // Ellipsize the text so that it takes AT MOST the entire width of the // autocomplete text entry area. Make sure to leave space for padding // on the sides. int height = (int) mChipHeight; // Since the icon is a square, it's width is equal to the maximum height it can be inside // the chip. int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; float[] widths = new float[1]; paint.getTextWidths(" ", widths); CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left - backgroundPadding.right);; int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); // Make sure there is a minimum chip width so the user can ALWAYS // tap a chip without difficulty. int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth + backgroundPadding.left + backgroundPadding.right); // Create the background of the chip. Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(tmpBitmap); // Draw the background drawable background.setBounds(0, 0, width, height); background.draw(canvas); // Draw the text vertically aligned int textX = shouldPositionAvatarOnRight() ? mChipPadding + backgroundPadding.left : width - backgroundPadding.right - mChipPadding - textWidth; canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); if (icon != null) { // Draw the icon int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : backgroundPadding.left; RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); RectF dst = new RectF(iconX, 0 + backgroundPadding.top, iconX + iconWidth, height - backgroundPadding.bottom); drawIconOnCanvas(icon, canvas, paint, src, dst); } return tmpBitmap; } /** * Returns true if the avatar should be positioned at the right edge of the chip. * Takes into account both the set avatar position (start or end) as well as whether * the layout direction is LTR or RTL. */ private boolean shouldPositionAvatarOnRight() { final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; // If in Rtl mode, the position should be flipped. return isRtl ? !assignedPosition : assignedPosition; } /** * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to * draw an icon for this recipient. */ private Bitmap getAvatarIcon(RecipientEntry contact) { // Don't draw photos for recipients that have been typed in OR generated on the fly. long contactId = contact.getContactId(); boolean drawPhotos = isPhoneQuery() ? contactId != RecipientEntry.INVALID_CONTACT : (contactId != RecipientEntry.INVALID_CONTACT && (contactId != RecipientEntry.GENERATED_CONTACT && !TextUtils.isEmpty(contact.getDisplayName()))); if (drawPhotos) { byte[] photoBytes = contact.getPhotoBytes(); // There may not be a photo yet if anything but the first contact address // was selected. if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { // TODO: cache this in the recipient entry? getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); photoBytes = contact.getPhotoBytes(); } if (photoBytes != null) { return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); } else { // TODO: can the scaled down default photo be cached? return mDefaultContactPhoto; } } return null; } /** * Get the background drawable for a RecipientChip. */ // Visible for testing. /* package */Drawable getChipBackground(RecipientEntry contact) { return contact.isValid() ? mChipBackground : mInvalidChipBackground; } /** * Given a height, returns a Y offset that will draw the text in the middle of the height. */ protected float getTextYOffset(String text, TextPaint paint, int height) { Rect bounds = new Rect(); paint.getTextBounds(text, 0, text.length(), bounds); int textHeight = bounds.bottom - bounds.top ; return height - ((height - textHeight) / 2) - (int)paint.descent(); } /** * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination * rectangle of the canvas. */ protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { Matrix matrix = new Matrix(); matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); canvas.drawBitmap(icon, matrix, paint); } private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, boolean leaveIconSpace) throws NullPointerException { if (mChipBackground == null) { throw new NullPointerException( "Unable to render any chips as setChipDimensions was not called."); } TextPaint paint = getPaint(); float defaultSize = paint.getTextSize(); int defaultColor = paint.getColor(); Bitmap tmpBitmap; if (pressed) { tmpBitmap = createSelectedChip(contact, paint); } else { tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); } // Pass the full text, un-ellipsized, to the chip. Drawable result = new BitmapDrawable(getResources(), tmpBitmap); result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact, getImageSpanAlignment()); // Return text to the original size. paint.setTextSize(defaultSize); paint.setColor(defaultColor); return recipientChip; } private int getImageSpanAlignment() { switch (mImageSpanAlignment) { case IMAGE_SPAN_ALIGNMENT_BASELINE: return ImageSpan.ALIGN_BASELINE; case IMAGE_SPAN_ALIGNMENT_BOTTOM: return ImageSpan.ALIGN_BOTTOM; default: return ImageSpan.ALIGN_BOTTOM; } } /** * Calculate the bottom of the line the chip will be located on using: * 1) which line the chip appears on * 2) the height of a chip * 3) padding built into the edit text view */ private int calculateOffsetFromBottom(int line) { // Line offsets start at zero. int actualLine = getLineCount() - (line + 1); return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) + getDropDownVerticalOffset(); } /** * Get the max amount of space a chip can take up. The formula takes into * account the width of the EditTextView, any view padding, and padding * that will be added to the chip. */ private float calculateAvailableWidth() { return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); } private void setChipDimensions(Context context, AttributeSet attrs) { TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 0); Resources r = getContext().getResources(); mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); if (mChipBackground == null) { mChipBackground = r.getDrawable(R.drawable.chip_background); } mChipBackgroundPressed = a .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); if (mChipBackgroundPressed == null) { mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); } mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); if (mChipDelete == null) { mChipDelete = r.getDrawable(R.drawable.chip_delete); } mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); if (mChipPadding == -1) { mChipPadding = (int) r.getDimension(R.dimen.chip_padding); } mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); if (mChipHeight == -1) { mChipHeight = r.getDimension(R.dimen.chip_height); } mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); if (mChipFontSize == -1) { mChipFontSize = r.getDimension(R.dimen.chip_text_size); } mInvalidChipBackground = a .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); if (mInvalidChipBackground == null) { mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); } mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); mMaxLines = r.getInteger(R.integer.chips_max_lines); TypedValue tv = new TypedValue(); if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() .getDisplayMetrics()); } a.recycle(); } // Visible for testing. /* package */ void setMoreItem(TextView moreItem) { mMoreItem = moreItem; } // Visible for testing. /* package */ void setChipBackground(Drawable chipBackground) { mChipBackground = chipBackground; } // Visible for testing. /* package */ void setChipHeight(int height) { mChipHeight = height; } public float getChipHeight() { return mChipHeight; } /** * Set whether to shrink the recipients field such that at most * one line of recipients chips are shown when the field loses * focus. By default, the number of displayed recipients will be * limited and a "more" chip will be shown when focus is lost. * @param shrink */ public void setOnFocusListShrinkRecipients(boolean shrink) { mShouldShrink = shrink; } @Override public void onSizeChanged(int width, int height, int oldw, int oldh) { super.onSizeChanged(width, height, oldw, oldh); if (width != 0 && height != 0) { if (mPendingChipsCount > 0) { postHandlePendingChips(); } else { checkChipWidths(); } } // Try to find the scroll view parent, if it exists. if (mScrollView == null && !mTriedGettingScrollView) { ViewParent parent = getParent(); while (parent != null && !(parent instanceof ScrollView)) { parent = parent.getParent(); } if (parent != null) { mScrollView = (ScrollView) parent; } mTriedGettingScrollView = true; } } private void postHandlePendingChips() { mHandler.removeCallbacks(mHandlePendingChips); mHandler.post(mHandlePendingChips); } private void checkChipWidths() { // Check the widths of the associated chips. DrawableRecipientChip[] chips = getSortedRecipients(); if (chips != null) { Rect bounds; for (DrawableRecipientChip chip : chips) { bounds = chip.getBounds(); if (getWidth() > 0 && bounds.right - bounds.left > getWidth() - getPaddingLeft() - getPaddingRight()) { // Need to redraw that chip. replaceChip(chip, chip.getEntry()); } } } } // Visible for testing. /*package*/ void handlePendingChips() { if (getViewWidth() <= 0) { // The widget has not been sized yet. // This will be called as a result of onSizeChanged // at a later point. return; } if (mPendingChipsCount <= 0) { return; } synchronized (mPendingChips) { Editable editable = getText(); // Tokenize! if (mPendingChipsCount <= MAX_CHIPS_PARSED) { for (int i = 0; i < mPendingChips.size(); i++) { String current = mPendingChips.get(i); int tokenStart = editable.toString().indexOf(current); // Always leave a space at the end between tokens. int tokenEnd = tokenStart + current.length() - 1; if (tokenStart >= 0) { // When we have a valid token, include it with the token // to the left. if (tokenEnd < editable.length() - 2 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { tokenEnd++; } createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT || !mShouldShrink); } mPendingChipsCount--; } sanitizeEnd(); } else { mNoChips = true; } if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { new RecipientReplacementTask().execute(); mTemporaryRecipients = null; } else { // Create the "more" chip mIndividualReplacements = new IndividualReplacementTask(); mIndividualReplacements.execute(new ArrayList( mTemporaryRecipients.subList(0, CHIP_LIMIT))); if (mTemporaryRecipients.size() > CHIP_LIMIT) { mTemporaryRecipients = new ArrayList( mTemporaryRecipients.subList(CHIP_LIMIT, mTemporaryRecipients.size())); } else { mTemporaryRecipients = null; } createMoreChip(); } } else { // There are too many recipients to look up, so just fall back // to showing addresses for all of them. mTemporaryRecipients = null; createMoreChip(); } mPendingChipsCount = 0; mPendingChips.clear(); } } // Visible for testing. /*package*/ int getViewWidth() { return getWidth(); } /** * Remove any characters after the last valid chip. */ // Visible for testing. /*package*/ void sanitizeEnd() { // Don't sanitize while we are waiting for pending chips to complete. if (mPendingChipsCount > 0) { return; } // Find the last chip; eliminate any commit characters after it. DrawableRecipientChip[] chips = getSortedRecipients(); Spannable spannable = getSpannable(); if (chips != null && chips.length > 0) { int end; mMoreChip = getMoreChip(); if (mMoreChip != null) { end = spannable.getSpanEnd(mMoreChip); } else { end = getSpannable().getSpanEnd(getLastChip()); } Editable editable = getText(); int length = editable.length(); if (length > end) { // See what characters occur after that and eliminate them. if (Log.isLoggable(TAG, Log.DEBUG)) { Log.d(TAG, "There were extra characters after the last tokenizable entry." + editable); } editable.delete(end + 1, length); } } } /** * Create a chip that represents just the email address of a recipient. At some later * point, this chip will be attached to a real contact entry, if one exists. */ // VisibleForTesting void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, boolean visible) { if (alreadyHasChip(tokenStart, tokenEnd)) { // There is already a chip present at this location. // Don't recreate it. return; } String token = editable.toString().substring(tokenStart, tokenEnd); final String trimmedToken = token.trim(); int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { token = trimmedToken.substring(0, trimmedToken.length() - 1); } RecipientEntry entry = createTokenizedEntry(token); if (entry != null) { DrawableRecipientChip chip = null; try { if (!mNoChips) { /* * leave space for the contact icon if this is not just an * email address */ boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) || TextUtils.equals(entry.getDisplayName(), entry.getDestination()); chip = visible ? constructChipSpan(entry, false, leaveSpace) : new InvisibleRecipientChip(entry); } } catch (NullPointerException e) { Log.e(TAG, e.getMessage(), e); } editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); // Add this chip to the list of entries "to replace" if (chip != null) { if (mTemporaryRecipients == null) { mTemporaryRecipients = new ArrayList(); } chip.setOriginalText(token); mTemporaryRecipients.add(chip); } } } private static boolean isPhoneNumber(String number) { // TODO: replace this function with libphonenumber's isPossibleNumber (see // PhoneNumberUtil). One complication is that it requires the sender's region which // comes from the CurrentCountryIso. For now, let's just do this simple match. if (TextUtils.isEmpty(number)) { return false; } Matcher match = PHONE_PATTERN.matcher(number); return match.matches(); } // VisibleForTesting RecipientEntry createTokenizedEntry(final String token) { if (TextUtils.isEmpty(token)) { return null; } if (isPhoneQuery() && isPhoneNumber(token)) { return RecipientEntry.constructFakePhoneEntry(token, true); } Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); String display = null; boolean isValid = isValid(token); if (isValid && tokens != null && tokens.length > 0) { // If we can get a name from tokenizing, then generate an entry from // this. display = tokens[0].getName(); if (!TextUtils.isEmpty(display)) { return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), isValid); } else { display = tokens[0].getAddress(); if (!TextUtils.isEmpty(display)) { return RecipientEntry.constructFakeEntry(display, isValid); } } } // Unable to validate the token or to create a valid token from it. // Just create a chip the user can edit. String validatedToken = null; if (mValidator != null && !isValid) { // Try fixing up the entry using the validator. validatedToken = mValidator.fixText(token).toString(); if (!TextUtils.isEmpty(validatedToken)) { if (validatedToken.contains(token)) { // protect against the case of a validator with a null // domain, // which doesn't add a domain to the token Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); if (tokenized.length > 0) { validatedToken = tokenized[0].getAddress(); isValid = true; } } else { // We ran into a case where the token was invalid and // removed // by the validator. In this case, just use the original // token // and let the user sort out the error chip. validatedToken = null; isValid = false; } } } // Otherwise, fallback to just creating an editable email address chip. return RecipientEntry.constructFakeEntry( !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); } private boolean isValid(String text) { return mValidator == null ? true : mValidator.isValid(text); } private static String tokenizeAddress(String destination) { Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); if (tokens != null && tokens.length > 0) { return tokens[0].getAddress(); } return destination; } @Override public void setTokenizer(Tokenizer tokenizer) { mTokenizer = tokenizer; super.setTokenizer(mTokenizer); } @Override public void setValidator(Validator validator) { mValidator = validator; super.setValidator(validator); } /** * We cannot use the default mechanism for replaceText. Instead, * we override onItemClickListener so we can get all the associated * contact information including display text, address, and id. */ @Override protected void replaceText(CharSequence text) { return; } /** * Dismiss any selected chips when the back key is pressed. */ @Override public boolean onKeyPreIme(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { clearSelectedChip(); return true; } return super.onKeyPreIme(keyCode, event); } /** * Monitor key presses in this view to see if the user types * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. * If the user has entered text that has contact matches and types * a commit key, create a chip from the topmost matching contact. * If the user has entered text that has no contact matches and types * a commit key, then create a chip from the text they have entered. */ @Override public boolean onKeyUp(int keyCode, KeyEvent event) { switch (keyCode) { case KeyEvent.KEYCODE_TAB: if (event.hasNoModifiers()) { if (mSelectedChip != null) { clearSelectedChip(); } else { commitDefault(); } } break; } return super.onKeyUp(keyCode, event); } private boolean focusNext() { View next = focusSearch(View.FOCUS_DOWN); if (next != null) { next.requestFocus(); return true; } return false; } /** * Create a chip from the default selection. If the popup is showing, the * default is the first item in the popup suggestions list. Otherwise, it is * whatever the user had typed in. End represents where the the tokenizer * should search for a token to turn into a chip. * @return If a chip was created from a real contact. */ private boolean commitDefault() { // If there is no tokenizer, don't try to commit. if (mTokenizer == null) { return false; } Editable editable = getText(); int end = getSelectionEnd(); int start = mTokenizer.findTokenStart(editable, end); if (shouldCreateChip(start, end)) { int whatEnd = mTokenizer.findTokenEnd(getText(), start); // In the middle of chip; treat this as an edit // and commit the whole token. whatEnd = movePastTerminators(whatEnd); if (whatEnd != getSelectionEnd()) { handleEdit(start, whatEnd); return true; } return commitChip(start, end , editable); } return false; } private void commitByCharacter() { // We can't possibly commit by character if we can't tokenize. if (mTokenizer == null) { return; } Editable editable = getText(); int end = getSelectionEnd(); int start = mTokenizer.findTokenStart(editable, end); if (shouldCreateChip(start, end)) { commitChip(start, end, editable); } setSelection(getText().length()); } private boolean commitChip(int start, int end, Editable editable) { ListAdapter adapter = getAdapter(); if (adapter != null && adapter.getCount() > 0 && enoughToFilter() && end == getSelectionEnd() && !isPhoneQuery()) { // choose the first entry. submitItemAtPosition(0); dismissDropDown(); return true; } else { int tokenEnd = mTokenizer.findTokenEnd(editable, start); if (editable.length() > tokenEnd + 1) { char charAt = editable.charAt(tokenEnd + 1); if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { tokenEnd++; } } String text = editable.toString().substring(start, tokenEnd).trim(); clearComposingText(); if (text != null && text.length() > 0 && !text.equals(" ")) { RecipientEntry entry = createTokenizedEntry(text); if (entry != null) { QwertyKeyListener.markAsReplaced(editable, start, end, ""); CharSequence chipText = createChip(entry, false); if (chipText != null && start > -1 && end > -1) { editable.replace(start, end, chipText); } } // Only dismiss the dropdown if it is related to the text we // just committed. // For paste, it may not be as there are possibly multiple // tokens being added. if (end == getSelectionEnd()) { dismissDropDown(); } sanitizeBetween(); return true; } } return false; } // Visible for testing. /* package */ void sanitizeBetween() { // Don't sanitize while we are waiting for content to chipify. if (mPendingChipsCount > 0) { return; } // Find the last chip. DrawableRecipientChip[] recips = getSortedRecipients(); if (recips != null && recips.length > 0) { DrawableRecipientChip last = recips[recips.length - 1]; DrawableRecipientChip beforeLast = null; if (recips.length > 1) { beforeLast = recips[recips.length - 2]; } int startLooking = 0; int end = getSpannable().getSpanStart(last); if (beforeLast != null) { startLooking = getSpannable().getSpanEnd(beforeLast); Editable text = getText(); if (startLooking == -1 || startLooking > text.length() - 1) { // There is nothing after this chip. return; } if (text.charAt(startLooking) == ' ') { startLooking++; } } if (startLooking >= 0 && end >= 0 && startLooking < end) { getText().delete(startLooking, end); } } } private boolean shouldCreateChip(int start, int end) { return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); } private boolean alreadyHasChip(int start, int end) { if (mNoChips) { return true; } DrawableRecipientChip[] chips = getSpannable().getSpans(start, end, DrawableRecipientChip.class); if ((chips == null || chips.length == 0)) { return false; } return true; } private void handleEdit(int start, int end) { if (start == -1 || end == -1) { // This chip no longer exists in the field. dismissDropDown(); return; } // This is in the middle of a chip, so select out the whole chip // and commit it. Editable editable = getText(); setSelection(end); String text = getText().toString().substring(start, end); if (!TextUtils.isEmpty(text)) { RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); QwertyKeyListener.markAsReplaced(editable, start, end, ""); CharSequence chipText = createChip(entry, false); int selEnd = getSelectionEnd(); if (chipText != null && start > -1 && selEnd > -1) { editable.replace(start, selEnd, chipText); } } dismissDropDown(); } /** * If there is a selected chip, delegate the key events * to the selected chip. */ @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { mAlternatesPopup.dismiss(); } removeChip(mSelectedChip); } switch (keyCode) { case KeyEvent.KEYCODE_ENTER: case KeyEvent.KEYCODE_DPAD_CENTER: if (event.hasNoModifiers()) { if (commitDefault()) { return true; } if (mSelectedChip != null) { clearSelectedChip(); return true; } else if (focusNext()) { return true; } } break; } return super.onKeyDown(keyCode, event); } // Visible for testing. /* package */ Spannable getSpannable() { return getText(); } private int getChipStart(DrawableRecipientChip chip) { return getSpannable().getSpanStart(chip); } private int getChipEnd(DrawableRecipientChip chip) { return getSpannable().getSpanEnd(chip); } /** * Instead of filtering on the entire contents of the edit box, * this subclass method filters on the range from * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} * if the length of that range meets or exceeds {@link #getThreshold} * and makes sure that the range is not already a Chip. */ @Override protected void performFiltering(CharSequence text, int keyCode) { boolean isCompletedToken = isCompletedToken(text); if (enoughToFilter() && !isCompletedToken) { int end = getSelectionEnd(); int start = mTokenizer.findTokenStart(text, end); // If this is a RecipientChip, don't filter // on its contents. Spannable span = getSpannable(); DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); if (chips != null && chips.length > 0) { dismissDropDown(); return; } } else if (isCompletedToken) { dismissDropDown(); return; } super.performFiltering(text, keyCode); } // Visible for testing. /*package*/ boolean isCompletedToken(CharSequence text) { if (TextUtils.isEmpty(text)) { return false; } // Check to see if this is a completed token before filtering. int end = text.length(); int start = mTokenizer.findTokenStart(text, end); String token = text.toString().substring(start, end).trim(); if (!TextUtils.isEmpty(token)) { char atEnd = token.charAt(token.length() - 1); return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; } return false; } private void clearSelectedChip() { if (mSelectedChip != null) { unselectChip(mSelectedChip); mSelectedChip = null; } setCursorVisible(true); } /** * Monitor touch events in the RecipientEditTextView. * If the view does not have focus, any tap on the view * will just focus the view. If the view has focus, determine * if the touch target is a recipient chip. If it is and the chip * is not selected, select it and clear any other selected chips. * If it isn't, then select that chip. */ @Override public boolean onTouchEvent(MotionEvent event) { if (!isFocused()) { // Ignore any chip taps until this view is focused. return super.onTouchEvent(event); } boolean handled = super.onTouchEvent(event); int action = event.getAction(); boolean chipWasSelected = false; if (mSelectedChip == null) { mGestureDetector.onTouchEvent(event); } if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { float x = event.getX(); float y = event.getY(); int offset = putOffsetInRange(x, y); DrawableRecipientChip currentChip = findChip(offset); if (currentChip != null) { if (action == MotionEvent.ACTION_UP) { if (mSelectedChip != null && mSelectedChip != currentChip) { clearSelectedChip(); mSelectedChip = selectChip(currentChip); } else if (mSelectedChip == null) { setSelection(getText().length()); commitDefault(); mSelectedChip = selectChip(currentChip); } else { onClick(mSelectedChip, offset, x, y); } } chipWasSelected = true; handled = true; } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { chipWasSelected = true; } } if (action == MotionEvent.ACTION_UP && !chipWasSelected) { clearSelectedChip(); } return handled; } private void scrollLineIntoView(int line) { if (mScrollView != null) { mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); } } private void showAlternates(final DrawableRecipientChip currentChip, final ListPopupWindow alternatesPopup, final int width) { new AsyncTask() { @Override protected ListAdapter doInBackground(final Void... params) { return createAlternatesAdapter(currentChip); } @Override protected void onPostExecute(final ListAdapter result) { if (!mAttachedToWindow) { return; } int line = getLayout().getLineForOffset(getChipStart(currentChip)); int bottom; if (line == getLineCount() -1) { bottom = 0; } else { bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math .abs(getLineCount() - 1 - line))); } // Align the alternates popup with the left side of the View, // regardless of the position of the chip tapped. alternatesPopup.setWidth(width); alternatesPopup.setAnchorView(RecipientEditTextView.this); alternatesPopup.setVerticalOffset(bottom); alternatesPopup.setAdapter(result); alternatesPopup.setOnItemClickListener(mAlternatesListener); // Clear the checked item. mCheckedItem = -1; alternatesPopup.show(); ListView listView = alternatesPopup.getListView(); listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); // Checked item would be -1 if the adapter has not // loaded the view that should be checked yet. The // variable will be set correctly when onCheckedItemChanged // is called in a separate thread. if (mCheckedItem != -1) { listView.setItemChecked(mCheckedItem, true); mCheckedItem = -1; } } }.execute((Void[]) null); } private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), getAdapter().getQueryType(), this, mDropdownChipLayouter); } private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), mDropdownChipLayouter); } @Override public void onCheckedItemChanged(int position) { ListView listView = mAlternatesPopup.getListView(); if (listView != null && listView.getCheckedItemCount() == 0) { listView.setItemChecked(position, true); } mCheckedItem = position; } private int putOffsetInRange(final float x, final float y) { final int offset; if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { offset = getOffsetForPosition(x, y); } else { offset = supportGetOffsetForPosition(x, y); } return putOffsetInRange(offset); } // TODO: This algorithm will need a lot of tweaking after more people have used // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring // what comes before the finger. private int putOffsetInRange(int o) { int offset = o; Editable text = getText(); int length = text.length(); // Remove whitespace from end to find "real end" int realLength = length; for (int i = length - 1; i >= 0; i--) { if (text.charAt(i) == ' ') { realLength--; } else { break; } } // If the offset is beyond or at the end of the text, // leave it alone. if (offset >= realLength) { return offset; } Editable editable = getText(); while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { // Keep walking backward! offset--; } return offset; } private static int findText(Editable text, int offset) { if (text.charAt(offset) != ' ') { return offset; } return -1; } private DrawableRecipientChip findChip(int offset) { DrawableRecipientChip[] chips = getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); // Find the chip that contains this offset. for (int i = 0; i < chips.length; i++) { DrawableRecipientChip chip = chips[i]; int start = getChipStart(chip); int end = getChipEnd(chip); if (offset >= start && offset <= end) { return chip; } } return null; } // Visible for testing. // Use this method to generate text to add to the list of addresses. /* package */String createAddressText(RecipientEntry entry) { String display = entry.getDisplayName(); String address = entry.getDestination(); if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { display = null; } String trimmedDisplayText; if (isPhoneQuery() && isPhoneNumber(address)) { trimmedDisplayText = address.trim(); } else { if (address != null) { // Tokenize out the address in case the address already // contained the username as well. Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); if (tokenized != null && tokenized.length > 0) { address = tokenized[0].getAddress(); } } Rfc822Token token = new Rfc822Token(display, address, null); trimmedDisplayText = token.toString().trim(); } int index = trimmedDisplayText.indexOf(","); return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer .terminateToken(trimmedDisplayText) : trimmedDisplayText; } // Visible for testing. // Use this method to generate text to display in a chip. /*package*/ String createChipDisplayText(RecipientEntry entry) { String display = entry.getDisplayName(); String address = entry.getDestination(); if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { display = null; } if (!TextUtils.isEmpty(display)) { return display; } else if (!TextUtils.isEmpty(address)){ return address; } else { return new Rfc822Token(display, address, null).toString(); } } private CharSequence createChip(RecipientEntry entry, boolean pressed) { String displayText = createAddressText(entry); if (TextUtils.isEmpty(displayText)) { return null; } SpannableString chipText = null; // Always leave a blank space at the end of a chip. int textLength = displayText.length() - 1; chipText = new SpannableString(displayText); if (!mNoChips) { try { DrawableRecipientChip chip = constructChipSpan(entry, pressed, false /* leave space for contact icon */); chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); chip.setOriginalText(chipText.toString()); } catch (NullPointerException e) { Log.e(TAG, e.getMessage(), e); return null; } } return chipText; } /** * When an item in the suggestions list has been clicked, create a chip from the * contact information of the selected item. */ @Override public void onItemClick(AdapterView parent, View view, int position, long id) { if (position < 0) { return; } submitItemAtPosition(position); } private void submitItemAtPosition(int position) { RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); if (entry == null) { return; } clearComposingText(); int end = getSelectionEnd(); int start = mTokenizer.findTokenStart(getText(), end); Editable editable = getText(); QwertyKeyListener.markAsReplaced(editable, start, end, ""); CharSequence chip = createChip(entry, false); if (chip != null && start >= 0 && end >= 0) { editable.replace(start, end, chip); } sanitizeBetween(); } private RecipientEntry createValidatedEntry(RecipientEntry item) { if (item == null) { return null; } final RecipientEntry entry; // If the display name and the address are the same, or if this is a // valid contact, but the destination is invalid, then make this a fake // recipient that is editable. String destination = item.getDestination(); if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), destination, item.isValid()); } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) && (TextUtils.isEmpty(item.getDisplayName()) || TextUtils.equals(item.getDisplayName(), destination) || (mValidator != null && !mValidator.isValid(destination)))) { entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); } else { entry = item; } return entry; } /** Returns a collection of contact Id for each chip inside this View. */ /* package */ Collection getContactIds() { final Set result = new HashSet(); DrawableRecipientChip[] chips = getSortedRecipients(); if (chips != null) { for (DrawableRecipientChip chip : chips) { result.add(chip.getContactId()); } } return result; } /** Returns a collection of data Id for each chip inside this View. May be null. */ /* package */ Collection getDataIds() { final Set result = new HashSet(); DrawableRecipientChip [] chips = getSortedRecipients(); if (chips != null) { for (DrawableRecipientChip chip : chips) { result.add(chip.getDataId()); } } return result; } // Visible for testing. /* package */DrawableRecipientChip[] getSortedRecipients() { DrawableRecipientChip[] recips = getSpannable() .getSpans(0, getText().length(), DrawableRecipientChip.class); ArrayList recipientsList = new ArrayList( Arrays.asList(recips)); final Spannable spannable = getSpannable(); Collections.sort(recipientsList, new Comparator() { @Override public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { int firstStart = spannable.getSpanStart(first); int secondStart = spannable.getSpanStart(second); if (firstStart < secondStart) { return -1; } else if (firstStart > secondStart) { return 1; } else { return 0; } } }); return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); } @Override public boolean onActionItemClicked(ActionMode mode, MenuItem item) { return false; } @Override public void onDestroyActionMode(ActionMode mode) { } @Override public boolean onPrepareActionMode(ActionMode mode, Menu menu) { return false; } /** * No chips are selectable. */ @Override public boolean onCreateActionMode(ActionMode mode, Menu menu) { return false; } // Visible for testing. /* package */ImageSpan getMoreChip() { MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; } private MoreImageSpan createMoreSpan(int count) { String moreText = String.format(mMoreItem.getText().toString(), count); TextPaint morePaint = new TextPaint(getPaint()); morePaint.setTextSize(mMoreItem.getTextSize()); morePaint.setColor(mMoreItem.getCurrentTextColor()); int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() + mMoreItem.getPaddingRight(); int height = getLineHeight(); Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(drawable); int adjustedHeight = height; Layout layout = getLayout(); if (layout != null) { adjustedHeight -= layout.getLineDescent(0); } canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); Drawable result = new BitmapDrawable(getResources(), drawable); result.setBounds(0, 0, width, height); return new MoreImageSpan(result); } // Visible for testing. /*package*/ void createMoreChipPlainText() { // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. Editable text = getText(); int start = 0; int end = start; for (int i = 0; i < CHIP_LIMIT; i++) { end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); start = end; // move to the next token and get its end. } // Now, count total addresses. start = 0; int tokenCount = countTokens(text); MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); text.replace(end, text.length(), chipText); mMoreChip = moreSpan; } // Visible for testing. /* package */int countTokens(Editable text) { int tokenCount = 0; int start = 0; while (start < text.length()) { start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); tokenCount++; if (start >= text.length()) { break; } } return tokenCount; } /** * Create the more chip. The more chip is text that replaces any chips that * do not fit in the pre-defined available space when the * RecipientEditTextView loses focus. */ // Visible for testing. /* package */ void createMoreChip() { if (mNoChips) { createMoreChipPlainText(); return; } if (!mShouldShrink) { return; } ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); if (tempMore.length > 0) { getSpannable().removeSpan(tempMore[0]); } DrawableRecipientChip[] recipients = getSortedRecipients(); if (recipients == null || recipients.length <= CHIP_LIMIT) { mMoreChip = null; return; } Spannable spannable = getSpannable(); int numRecipients = recipients.length; int overage = numRecipients - CHIP_LIMIT; MoreImageSpan moreSpan = createMoreSpan(overage); mRemovedSpans = new ArrayList(); int totalReplaceStart = 0; int totalReplaceEnd = 0; Editable text = getText(); for (int i = numRecipients - overage; i < recipients.length; i++) { mRemovedSpans.add(recipients[i]); if (i == numRecipients - overage) { totalReplaceStart = spannable.getSpanStart(recipients[i]); } if (i == recipients.length - 1) { totalReplaceEnd = spannable.getSpanEnd(recipients[i]); } if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { int spanStart = spannable.getSpanStart(recipients[i]); int spanEnd = spannable.getSpanEnd(recipients[i]); recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); } spannable.removeSpan(recipients[i]); } if (totalReplaceEnd < text.length()) { totalReplaceEnd = text.length(); } int end = Math.max(totalReplaceStart, totalReplaceEnd); int start = Math.min(totalReplaceStart, totalReplaceEnd); SpannableString chipText = new SpannableString(text.subSequence(start, end)); chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); text.replace(start, end, chipText); mMoreChip = moreSpan; // If adding the +more chip goes over the limit, resize accordingly. if (!isPhoneQuery() && getLineCount() > mMaxLines) { setMaxLines(getLineCount()); } } /** * Replace the more chip, if it exists, with all of the recipient chips it had * replaced when the RecipientEditTextView gains focus. */ // Visible for testing. /*package*/ void removeMoreChip() { if (mMoreChip != null) { Spannable span = getSpannable(); span.removeSpan(mMoreChip); mMoreChip = null; // Re-add the spans that were removed. if (mRemovedSpans != null && mRemovedSpans.size() > 0) { // Recreate each removed span. DrawableRecipientChip[] recipients = getSortedRecipients(); // Start the search for tokens after the last currently visible // chip. if (recipients == null || recipients.length == 0) { return; } int end = span.getSpanEnd(recipients[recipients.length - 1]); Editable editable = getText(); for (DrawableRecipientChip chip : mRemovedSpans) { int chipStart; int chipEnd; String token; // Need to find the location of the chip, again. token = (String) chip.getOriginalText(); // As we find the matching recipient for the remove spans, // reduce the size of the string we need to search. // That way, if there are duplicates, we always find the correct // recipient. chipStart = editable.toString().indexOf(token, end); end = chipEnd = Math.min(editable.length(), chipStart + token.length()); // Only set the span if we found a matching token. if (chipStart != -1) { editable.setSpan(chip, chipStart, chipEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); } } mRemovedSpans.clear(); } } } /** * Show specified chip as selected. If the RecipientChip is just an email address, * selecting the chip will take the contents of the chip and place it at * the end of the RecipientEditTextView for inline editing. If the * RecipientChip is a complete contact, then selecting the chip * will change the background color of the chip, show the delete icon, * and a popup window with the address in use highlighted and any other * alternate addresses for the contact. * @param currentChip Chip to select. * @return A RecipientChip in the selected state or null if the chip * just contained an email address. */ private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { if (shouldShowEditableText(currentChip)) { CharSequence text = currentChip.getValue(); Editable editable = getText(); Spannable spannable = getSpannable(); int spanStart = spannable.getSpanStart(currentChip); int spanEnd = spannable.getSpanEnd(currentChip); spannable.removeSpan(currentChip); editable.delete(spanStart, spanEnd); setCursorVisible(true); setSelection(editable.length()); editable.append(text); return constructChipSpan( RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), true, false); } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { int start = getChipStart(currentChip); int end = getChipEnd(currentChip); getSpannable().removeSpan(currentChip); DrawableRecipientChip newChip; try { if (mNoChips) { return null; } newChip = constructChipSpan(currentChip.getEntry(), true, false); } catch (NullPointerException e) { Log.e(TAG, e.getMessage(), e); return null; } Editable editable = getText(); QwertyKeyListener.markAsReplaced(editable, start, end, ""); if (start == -1 || end == -1) { Log.d(TAG, "The chip being selected no longer exists but should."); } else { editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } newChip.setSelected(true); if (shouldShowEditableText(newChip)) { scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); } showAddress(newChip, mAddressPopup, getWidth()); setCursorVisible(false); return newChip; } else { int start = getChipStart(currentChip); int end = getChipEnd(currentChip); getSpannable().removeSpan(currentChip); DrawableRecipientChip newChip; try { newChip = constructChipSpan(currentChip.getEntry(), true, false); } catch (NullPointerException e) { Log.e(TAG, e.getMessage(), e); return null; } Editable editable = getText(); QwertyKeyListener.markAsReplaced(editable, start, end, ""); if (start == -1 || end == -1) { Log.d(TAG, "The chip being selected no longer exists but should."); } else { editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } newChip.setSelected(true); if (shouldShowEditableText(newChip)) { scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); } showAlternates(newChip, mAlternatesPopup, getWidth()); setCursorVisible(false); return newChip; } } private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { long contactId = currentChip.getContactId(); return contactId == RecipientEntry.INVALID_CONTACT || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); } private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, int width) { if (!mAttachedToWindow) { return; } int line = getLayout().getLineForOffset(getChipStart(currentChip)); int bottom = calculateOffsetFromBottom(line); // Align the alternates popup with the left side of the View, // regardless of the position of the chip tapped. popup.setWidth(width); popup.setAnchorView(this); popup.setVerticalOffset(bottom); popup.setAdapter(createSingleAddressAdapter(currentChip)); popup.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView parent, View view, int position, long id) { unselectChip(currentChip); popup.dismiss(); } }); popup.show(); ListView listView = popup.getListView(); listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); listView.setItemChecked(0, true); } /** * Remove selection from this chip. Unselecting a RecipientChip will render * the chip without a delete icon and with an unfocused background. This is * called when the RecipientChip no longer has focus. */ private void unselectChip(DrawableRecipientChip chip) { int start = getChipStart(chip); int end = getChipEnd(chip); Editable editable = getText(); mSelectedChip = null; if (start == -1 || end == -1) { Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); setSelection(editable.length()); commitDefault(); } else { getSpannable().removeSpan(chip); QwertyKeyListener.markAsReplaced(editable, start, end, ""); editable.removeSpan(chip); try { if (!mNoChips) { editable.setSpan(constructChipSpan(chip.getEntry(), false, false), start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); } } catch (NullPointerException e) { Log.e(TAG, e.getMessage(), e); } } setCursorVisible(true); setSelection(editable.length()); if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { mAlternatesPopup.dismiss(); } } /** * Return whether a touch event was inside the delete target of * a selected chip. It is in the delete target if: * 1) the x and y points of the event are within the * delete assset. * 2) the point tapped would have caused a cursor to appear * right after the selected chip. * @return boolean */ private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { // Figure out the bounds of this chip and whether or not // the user clicked in the X portion. // TODO: Should x and y be used, or removed? if (mDisableDelete) { return false; } return chip.isSelected() && ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); } /** * Remove the chip and any text associated with it from the RecipientEditTextView. */ // Visible for testing. /* package */void removeChip(DrawableRecipientChip chip) { Spannable spannable = getSpannable(); int spanStart = spannable.getSpanStart(chip); int spanEnd = spannable.getSpanEnd(chip); Editable text = getText(); int toDelete = spanEnd; boolean wasSelected = chip == mSelectedChip; // Clear that there is a selected chip before updating any text. if (wasSelected) { mSelectedChip = null; } // Always remove trailing spaces when removing a chip. while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { toDelete++; } spannable.removeSpan(chip); if (spanStart >= 0 && toDelete > 0) { text.delete(spanStart, toDelete); } if (wasSelected) { clearSelectedChip(); } } /** * Replace this currently selected chip with a new chip * that uses the contact data provided. */ // Visible for testing. /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { boolean wasSelected = chip == mSelectedChip; if (wasSelected) { mSelectedChip = null; } int start = getChipStart(chip); int end = getChipEnd(chip); getSpannable().removeSpan(chip); Editable editable = getText(); CharSequence chipText = createChip(entry, false); if (chipText != null) { if (start == -1 || end == -1) { Log.e(TAG, "The chip to replace does not exist but should."); editable.insert(0, chipText); } else { if (!TextUtils.isEmpty(chipText)) { // There may be a space to replace with this chip's new // associated space. Check for it int toReplace = end; while (toReplace >= 0 && toReplace < editable.length() && editable.charAt(toReplace) == ' ') { toReplace++; } editable.replace(start, toReplace, chipText); } } } setCursorVisible(true); if (wasSelected) { clearSelectedChip(); } } /** * Handle click events for a chip. When a selected chip receives a click * event, see if that event was in the delete icon. If so, delete it. * Otherwise, unselect the chip. */ public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { if (chip.isSelected()) { if (isInDelete(chip, offset, x, y)) { removeChip(chip); } else { clearSelectedChip(); } } } private boolean chipsPending() { return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); } @Override public void removeTextChangedListener(TextWatcher watcher) { mTextWatcher = null; super.removeTextChangedListener(watcher); } private class RecipientTextWatcher implements TextWatcher { @Override public void afterTextChanged(Editable s) { // If the text has been set to null or empty, make sure we remove // all the spans we applied. if (TextUtils.isEmpty(s)) { // Remove all the chips spans. Spannable spannable = getSpannable(); DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), DrawableRecipientChip.class); for (DrawableRecipientChip chip : chips) { spannable.removeSpan(chip); } if (mMoreChip != null) { spannable.removeSpan(mMoreChip); } clearSelectedChip(); return; } // Get whether there are any recipients pending addition to the // view. If there are, don't do anything in the text watcher. if (chipsPending()) { return; } // If the user is editing a chip, don't clear it. if (mSelectedChip != null) { if (!isGeneratedContact(mSelectedChip)) { setCursorVisible(true); setSelection(getText().length()); clearSelectedChip(); } else { return; } } int length = s.length(); // Make sure there is content there to parse and that it is // not just the commit character. if (length > 1) { if (lastCharacterIsCommitCharacter(s)) { commitByCharacter(); return; } char last; int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; int len = length() - 1; if (end != len) { last = s.charAt(end); } else { last = s.charAt(len); } if (last == COMMIT_CHAR_SPACE) { if (!isPhoneQuery()) { // Check if this is a valid email address. If it is, // commit it. String text = getText().toString(); int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, tokenStart)); if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { commitByCharacter(); } } } } } @Override public void onTextChanged(CharSequence s, int start, int before, int count) { // The user deleted some text OR some text was replaced; check to // see if the insertion point is on a space // following a chip. if (before - count == 1) { // If the item deleted is a space, and the thing before the // space is a chip, delete the entire span. int selStart = getSelectionStart(); DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, DrawableRecipientChip.class); if (repl.length > 0) { // There is a chip there! Just remove it. Editable editable = getText(); // Add the separator token. int tokenStart = mTokenizer.findTokenStart(editable, selStart); int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); tokenEnd = tokenEnd + 1; if (tokenEnd > editable.length()) { tokenEnd = editable.length(); } editable.delete(tokenStart, tokenEnd); getSpannable().removeSpan(repl[0]); } } else if (count > before) { if (mSelectedChip != null && isGeneratedContact(mSelectedChip)) { if (lastCharacterIsCommitCharacter(s)) { commitByCharacter(); return; } } } } @Override public void beforeTextChanged(CharSequence s, int start, int count, int after) { // Do nothing. } } public boolean lastCharacterIsCommitCharacter(CharSequence s) { char last; int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; int len = length() - 1; if (end != len) { last = s.charAt(end); } else { last = s.charAt(len); } return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; } public boolean isGeneratedContact(DrawableRecipientChip chip) { long contactId = chip.getContactId(); return contactId == RecipientEntry.INVALID_CONTACT || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); } /** * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. */ private void handlePasteClip(ClipData clip) { removeTextChangedListener(mTextWatcher); if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ for (int i = 0; i < clip.getItemCount(); i++) { CharSequence paste = clip.getItemAt(i).getText(); if (paste != null) { int start = getSelectionStart(); int end = getSelectionEnd(); Editable editable = getText(); if (start >= 0 && end >= 0 && start != end) { editable.append(paste, start, end); } else { editable.insert(end, paste); } handlePasteAndReplace(); } } } mHandler.post(mAddTextWatcher); } @Override public boolean onTextContextMenuItem(int id) { if (id == android.R.id.paste) { ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( Context.CLIPBOARD_SERVICE); handlePasteClip(clipboard.getPrimaryClip()); return true; } return super.onTextContextMenuItem(id); } private void handlePasteAndReplace() { ArrayList created = handlePaste(); if (created != null && created.size() > 0) { // Perform reverse lookups on the pasted contacts. IndividualReplacementTask replace = new IndividualReplacementTask(); replace.execute(created); } } // Visible for testing. /* package */ArrayList handlePaste() { String text = getText().toString(); int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); String lastAddress = text.substring(originalTokenStart); int tokenStart = originalTokenStart; int prevTokenStart = 0; DrawableRecipientChip findChip = null; ArrayList created = new ArrayList(); if (tokenStart != 0) { // There are things before this! while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { prevTokenStart = tokenStart; tokenStart = mTokenizer.findTokenStart(text, tokenStart); findChip = findChip(tokenStart); if (tokenStart == originalTokenStart && findChip == null) { break; } } if (tokenStart != originalTokenStart) { if (findChip != null) { tokenStart = prevTokenStart; } int tokenEnd; DrawableRecipientChip createdChip; while (tokenStart < originalTokenStart) { tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), tokenStart)); commitChip(tokenStart, tokenEnd, getText()); createdChip = findChip(tokenStart); if (createdChip == null) { break; } // +1 for the space at the end. tokenStart = getSpannable().getSpanEnd(createdChip) + 1; created.add(createdChip); } } } // Take a look at the last token. If the token has been completed with a // commit character, create a chip. if (isCompletedToken(lastAddress)) { Editable editable = getText(); tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); commitChip(tokenStart, editable.length(), editable); created.add(findChip(tokenStart)); } return created; } // Visible for testing. /* package */int movePastTerminators(int tokenEnd) { if (tokenEnd >= length()) { return tokenEnd; } char atEnd = getText().toString().charAt(tokenEnd); if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { tokenEnd++; } // This token had not only an end token character, but also a space // separating it from the next token. if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { tokenEnd++; } return tokenEnd; } private class RecipientReplacementTask extends AsyncTask { private DrawableRecipientChip createFreeChip(RecipientEntry entry) { try { if (mNoChips) { return null; } return constructChipSpan(entry, false, false /*leave space for contact icon */); } catch (NullPointerException e) { Log.e(TAG, e.getMessage(), e); return null; } } @Override protected void onPreExecute() { // Ensure everything is in chip-form already, so we don't have text that slowly gets // replaced final List originalRecipients = new ArrayList(); final DrawableRecipientChip[] existingChips = getSortedRecipients(); for (int i = 0; i < existingChips.length; i++) { originalRecipients.add(existingChips[i]); } if (mRemovedSpans != null) { originalRecipients.addAll(mRemovedSpans); } final List replacements = new ArrayList(originalRecipients.size()); for (final DrawableRecipientChip chip : originalRecipients) { if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) && getSpannable().getSpanStart(chip) != -1) { replacements.add(createFreeChip(chip.getEntry())); } else { replacements.add(null); } } processReplacements(originalRecipients, replacements); } @Override protected Void doInBackground(Void... params) { if (mIndividualReplacements != null) { mIndividualReplacements.cancel(true); } // For each chip in the list, look up the matching contact. // If there is a match, replace that chip with the matching // chip. final ArrayList recipients = new ArrayList(); DrawableRecipientChip[] existingChips = getSortedRecipients(); for (int i = 0; i < existingChips.length; i++) { recipients.add(existingChips[i]); } if (mRemovedSpans != null) { recipients.addAll(mRemovedSpans); } ArrayList addresses = new ArrayList(); DrawableRecipientChip chip; for (int i = 0; i < recipients.size(); i++) { chip = recipients.get(i); if (chip != null) { addresses.add(createAddressText(chip.getEntry())); } } final BaseRecipientAdapter adapter = getAdapter(); RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, adapter.getAccount(), new RecipientMatchCallback() { @Override public void matchesFound(Map entries) { final ArrayList replacements = new ArrayList(); for (final DrawableRecipientChip temp : recipients) { RecipientEntry entry = null; if (temp != null && RecipientEntry.isCreatedRecipient( temp.getEntry().getContactId()) && getSpannable().getSpanStart(temp) != -1) { // Replace this. entry = createValidatedEntry( entries.get(tokenizeAddress(temp.getEntry() .getDestination()))); } if (entry != null) { replacements.add(createFreeChip(entry)); } else { replacements.add(null); } } processReplacements(recipients, replacements); } @Override public void matchesNotFound(final Set unfoundAddresses) { final List replacements = new ArrayList(unfoundAddresses.size()); for (final DrawableRecipientChip temp : recipients) { if (temp != null && RecipientEntry.isCreatedRecipient( temp.getEntry().getContactId()) && getSpannable().getSpanStart(temp) != -1) { if (unfoundAddresses.contains( temp.getEntry().getDestination())) { replacements.add(createFreeChip(temp.getEntry())); } else { replacements.add(null); } } else { replacements.add(null); } } processReplacements(recipients, replacements); } }); return null; } private void processReplacements(final List recipients, final List replacements) { if (replacements != null && replacements.size() > 0) { final Runnable runnable = new Runnable() { @Override public void run() { final Editable text = new SpannableStringBuilder(getText()); int i = 0; for (final DrawableRecipientChip chip : recipients) { final DrawableRecipientChip replacement = replacements.get(i); if (replacement != null) { final RecipientEntry oldEntry = chip.getEntry(); final RecipientEntry newEntry = replacement.getEntry(); final boolean isBetter = RecipientAlternatesAdapter.getBetterRecipient( oldEntry, newEntry) == newEntry; if (isBetter) { // Find the location of the chip in the text currently shown. final int start = text.getSpanStart(chip); if (start != -1) { // Replacing the entirety of what the chip represented, // including the extra space dividing it from other chips. final int end = Math.min(text.getSpanEnd(chip) + 1, text.length()); text.removeSpan(chip); // Make sure we always have just 1 space at the end to // separate this chip from the next chip. final SpannableString displayText = new SpannableString(createAddressText( replacement.getEntry()).trim() + " "); displayText.setSpan(replacement, 0, displayText.length() - 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); // Replace the old text we found with with the new display // text, which now may also contain the display name of the // recipient. text.replace(start, end, displayText); replacement.setOriginalText(displayText.toString()); replacements.set(i, null); recipients.set(i, replacement); } } } i++; } setText(text); } }; if (Looper.myLooper() == Looper.getMainLooper()) { runnable.run(); } else { mHandler.post(runnable); } } } } private class IndividualReplacementTask extends AsyncTask, Void, Void> { @Override protected Void doInBackground(ArrayList... params) { // For each chip in the list, look up the matching contact. // If there is a match, replace that chip with the matching // chip. final ArrayList originalRecipients = params[0]; ArrayList addresses = new ArrayList(); DrawableRecipientChip chip; for (int i = 0; i < originalRecipients.size(); i++) { chip = originalRecipients.get(i); if (chip != null) { addresses.add(createAddressText(chip.getEntry())); } } final BaseRecipientAdapter adapter = getAdapter(); RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, adapter.getAccount(), new RecipientMatchCallback() { @Override public void matchesFound(Map entries) { for (final DrawableRecipientChip temp : originalRecipients) { if (RecipientEntry.isCreatedRecipient(temp.getEntry() .getContactId()) && getSpannable().getSpanStart(temp) != -1) { // Replace this. final RecipientEntry entry = createValidatedEntry(entries .get(tokenizeAddress(temp.getEntry().getDestination()) .toLowerCase())); if (entry != null) { mHandler.post(new Runnable() { @Override public void run() { replaceChip(temp, entry); } }); } } } } @Override public void matchesNotFound(final Set unfoundAddresses) { // No action required } }); return null; } } /** * MoreImageSpan is a simple class created for tracking the existence of a * more chip across activity restarts/ */ private class MoreImageSpan extends ImageSpan { public MoreImageSpan(Drawable b) { super(b); } } @Override public boolean onDown(MotionEvent e) { return false; } @Override public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { // Do nothing. return false; } @Override public void onLongPress(MotionEvent event) { if (mSelectedChip != null) { return; } float x = event.getX(); float y = event.getY(); final int offset = putOffsetInRange(x, y); DrawableRecipientChip currentChip = findChip(offset); if (currentChip != null) { if (mDragEnabled) { // Start drag-and-drop for the selected chip. startDrag(currentChip); } else { // Copy the selected chip email address. showCopyDialog(currentChip.getEntry().getDestination()); } } } // The following methods are used to provide some functionality on older versions of Android // These methods were copied out of JB MR2's TextView ///////////////////////////////////////////////// private int supportGetOffsetForPosition(float x, float y) { if (getLayout() == null) return -1; final int line = supportGetLineAtCoordinate(y); final int offset = supportGetOffsetAtCoordinate(line, x); return offset; } private float supportConvertToLocalHorizontalCoordinate(float x) { x -= getTotalPaddingLeft(); // Clamp the position to inside of the view. x = Math.max(0.0f, x); x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); x += getScrollX(); return x; } private int supportGetLineAtCoordinate(float y) { y -= getTotalPaddingLeft(); // Clamp the position to inside of the view. y = Math.max(0.0f, y); y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); y += getScrollY(); return getLayout().getLineForVertical((int) y); } private int supportGetOffsetAtCoordinate(int line, float x) { x = supportConvertToLocalHorizontalCoordinate(x); return getLayout().getOffsetForHorizontal(line, x); } ///////////////////////////////////////////////// /** * Enables drag-and-drop for chips. */ public void enableDrag() { mDragEnabled = true; } /** * Starts drag-and-drop for the selected chip. */ private void startDrag(DrawableRecipientChip currentChip) { String address = currentChip.getEntry().getDestination(); ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); // Start drag mode. startDrag(data, new RecipientChipShadow(currentChip), null, 0); // Remove the current chip, so drag-and-drop will result in a move. // TODO (phamm): consider readd this chip if it's dropped outside a target. removeChip(currentChip); } /** * Handles drag event. */ @Override public boolean onDragEvent(DragEvent event) { switch (event.getAction()) { case DragEvent.ACTION_DRAG_STARTED: // Only handle plain text drag and drop. return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); case DragEvent.ACTION_DRAG_ENTERED: requestFocus(); return true; case DragEvent.ACTION_DROP: handlePasteClip(event.getClipData()); return true; } return false; } /** * Drag shadow for a {@link RecipientChip}. */ private final class RecipientChipShadow extends DragShadowBuilder { private final DrawableRecipientChip mChip; public RecipientChipShadow(DrawableRecipientChip chip) { mChip = chip; } @Override public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { Rect rect = mChip.getBounds(); shadowSize.set(rect.width(), rect.height()); shadowTouchPoint.set(rect.centerX(), rect.centerY()); } @Override public void onDrawShadow(Canvas canvas) { mChip.draw(canvas); } } private void showCopyDialog(final String address) { if (!mAttachedToWindow) { return; } mCopyAddress = address; mCopyDialog.setTitle(address); mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); mCopyDialog.setCancelable(true); mCopyDialog.setCanceledOnTouchOutside(true); Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); button.setOnClickListener(this); int btnTitleId; if (isPhoneQuery()) { btnTitleId = R.string.copy_number; } else { btnTitleId = R.string.copy_email; } String buttonTitle = getContext().getResources().getString(btnTitleId); button.setText(buttonTitle); mCopyDialog.setOnDismissListener(this); mCopyDialog.show(); } @Override public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { // Do nothing. return false; } @Override public void onShowPress(MotionEvent e) { // Do nothing. } @Override public boolean onSingleTapUp(MotionEvent e) { // Do nothing. return false; } @Override public void onDismiss(DialogInterface dialog) { mCopyAddress = null; } @Override public void onClick(View v) { // Copy this to the clipboard. ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( Context.CLIPBOARD_SERVICE); clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); mCopyDialog.dismiss(); } protected boolean isPhoneQuery() { return getAdapter() != null && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; } @Override public BaseRecipientAdapter getAdapter() { return (BaseRecipientAdapter) super.getAdapter(); } }