RecipientEditTextView.java revision 93d69f407e258e42705c4cc706d6705f45d48761
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Activity; 21import android.app.Dialog; 22import android.content.ClipData; 23import android.content.ClipDescription; 24import android.content.ClipboardManager; 25import android.content.Context; 26import android.content.DialogInterface; 27import android.content.DialogInterface.OnDismissListener; 28import android.content.res.Resources; 29import android.content.res.TypedArray; 30import android.graphics.Bitmap; 31import android.graphics.BitmapFactory; 32import android.graphics.BitmapShader; 33import android.graphics.Canvas; 34import android.graphics.Color; 35import android.graphics.Matrix; 36import android.graphics.Paint; 37import android.graphics.Paint.Style; 38import android.graphics.Point; 39import android.graphics.Rect; 40import android.graphics.RectF; 41import android.graphics.Shader.TileMode; 42import android.graphics.drawable.BitmapDrawable; 43import android.graphics.drawable.Drawable; 44import android.graphics.drawable.StateListDrawable; 45import android.os.AsyncTask; 46import android.os.Build; 47import android.os.Handler; 48import android.os.Looper; 49import android.os.Message; 50import android.os.Parcelable; 51import android.text.Editable; 52import android.text.InputType; 53import android.text.Layout; 54import android.text.Spannable; 55import android.text.SpannableString; 56import android.text.SpannableStringBuilder; 57import android.text.Spanned; 58import android.text.TextPaint; 59import android.text.TextUtils; 60import android.text.TextWatcher; 61import android.text.method.QwertyKeyListener; 62import android.text.util.Rfc822Token; 63import android.text.util.Rfc822Tokenizer; 64import android.util.AttributeSet; 65import android.util.Log; 66import android.util.TypedValue; 67import android.view.ActionMode; 68import android.view.ActionMode.Callback; 69import android.view.DragEvent; 70import android.view.GestureDetector; 71import android.view.KeyEvent; 72import android.view.LayoutInflater; 73import android.view.Menu; 74import android.view.MenuItem; 75import android.view.MotionEvent; 76import android.view.View; 77import android.view.View.OnClickListener; 78import android.view.ViewParent; 79import android.view.accessibility.AccessibilityEvent; 80import android.view.accessibility.AccessibilityManager; 81import android.view.inputmethod.EditorInfo; 82import android.view.inputmethod.InputConnection; 83import android.widget.AdapterView; 84import android.widget.AdapterView.OnItemClickListener; 85import android.widget.Button; 86import android.widget.Filterable; 87import android.widget.ListAdapter; 88import android.widget.ListPopupWindow; 89import android.widget.ListView; 90import android.widget.MultiAutoCompleteTextView; 91import android.widget.ScrollView; 92import android.widget.TextView; 93 94import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 95import com.android.ex.chips.recipientchip.DrawableRecipientChip; 96import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 97import com.android.ex.chips.recipientchip.ReplacementDrawableSpan; 98import com.android.ex.chips.recipientchip.VisibleRecipientChip; 99 100import java.util.ArrayList; 101import java.util.Arrays; 102import java.util.Collections; 103import java.util.Comparator; 104import java.util.List; 105import java.util.Map; 106import java.util.Set; 107import java.util.regex.Matcher; 108import java.util.regex.Pattern; 109 110/** 111 * RecipientEditTextView is an auto complete text view for use with applications 112 * that use the new Chips UI for addressing a message to recipients. 113 */ 114public class RecipientEditTextView extends MultiAutoCompleteTextView implements 115 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 116 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 117 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 118 private static final String TAG = "RecipientEditTextView"; 119 120 private static final char COMMIT_CHAR_COMMA = ','; 121 private static final char COMMIT_CHAR_SEMICOLON = ';'; 122 private static final char COMMIT_CHAR_SPACE = ' '; 123 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 124 + String.valueOf(COMMIT_CHAR_SPACE); 125 126 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 127 // parens, so numbers such as "1 (425) 222-2342" match. 128 private static final Pattern PHONE_PATTERN 129 = Pattern.compile( // sdd = space, dot, or dash 130 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 131 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 132 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 133 134 private static final int DISMISS = "dismiss".hashCode(); 135 private static final long DISMISS_DELAY = 300; 136 137 // TODO: get correct number/ algorithm from with UX. 138 // Visible for testing. 139 /*package*/ static final int CHIP_LIMIT = 2; 140 141 private static final int MAX_CHIPS_PARSED = 50; 142 143 private static int sSelectedTextColor = -1; 144 private static int sVisibleDisplayFrameTop = -1; 145 146 // Resources for displaying chips. 147 private Drawable mChipBackground = null; 148 private Drawable mChipDelete = null; 149 private Drawable mInvalidChipBackground; 150 private Drawable mChipBackgroundPressed; 151 152 // Possible attr overrides 153 private float mChipHeight; 154 private float mChipFontSize; 155 private float mLineSpacingExtra; 156 private int mChipTextStartPadding; 157 private int mChipTextEndPadding; 158 private final int mTextHeight; 159 private boolean mDisableDelete; 160 private int mMaxLines; 161 162 /** 163 * Enumerator for avatar position. See attr.xml for more details. 164 * 0 for end, 1 for start. 165 */ 166 private int mAvatarPosition; 167 private static final int AVATAR_POSITION_END = 0; 168 private static final int AVATAR_POSITION_START = 1; 169 170 private Paint mWorkPaint = new Paint(); 171 172 private Tokenizer mTokenizer; 173 private Validator mValidator; 174 private Handler mHandler; 175 private TextWatcher mTextWatcher; 176 private DropdownChipLayouter mDropdownChipLayouter; 177 178 private View mDropdownAnchor = this; 179 private ListPopupWindow mAlternatesPopup; 180 private ListPopupWindow mAddressPopup; 181 private View mAlternatePopupAnchor; 182 private OnItemClickListener mAlternatesListener; 183 184 private DrawableRecipientChip mSelectedChip; 185 private Bitmap mDefaultContactPhoto; 186 private ReplacementDrawableSpan mMoreChip; 187 private TextView mMoreItem; 188 189 private boolean mIsAccessibilityOn; 190 private int mCurrentSuggestionCount; 191 192 // VisibleForTesting 193 final ArrayList<String> mPendingChips = new ArrayList<String>(); 194 195 private int mPendingChipsCount = 0; 196 private int mCheckedItem; 197 private boolean mNoChips = false; 198 private boolean mShouldShrink = true; 199 200 // VisibleForTesting 201 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 202 203 private ArrayList<DrawableRecipientChip> mRemovedSpans; 204 205 // Chip copy fields. 206 private GestureDetector mGestureDetector; 207 private Dialog mCopyDialog; 208 private String mCopyAddress; 209 210 // Obtain the enclosing scroll view, if it exists, so that the view can be 211 // scrolled to show the last line of chips content. 212 private ScrollView mScrollView; 213 private boolean mTriedGettingScrollView; 214 private boolean mDragEnabled = false; 215 216 private boolean mAttachedToWindow; 217 218 private final Runnable mAddTextWatcher = new Runnable() { 219 @Override 220 public void run() { 221 if (mTextWatcher == null) { 222 mTextWatcher = new RecipientTextWatcher(); 223 addTextChangedListener(mTextWatcher); 224 } 225 } 226 }; 227 228 private IndividualReplacementTask mIndividualReplacements; 229 230 private Runnable mHandlePendingChips = new Runnable() { 231 232 @Override 233 public void run() { 234 handlePendingChips(); 235 } 236 237 }; 238 239 private Runnable mDelayedShrink = new Runnable() { 240 241 @Override 242 public void run() { 243 shrink(); 244 } 245 246 }; 247 248 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 249 250 public interface RecipientEntryItemClickedListener { 251 /** 252 * Callback that occurs whenever an auto-complete suggestion is clicked. 253 * @param charactersTyped the number of characters typed by the user to provide the 254 * auto-complete suggestions. 255 * @param position the position in the dropdown list that the user clicked 256 */ 257 void onRecipientEntryItemClicked(int charactersTyped, int position); 258 } 259 260 public RecipientEditTextView(Context context, AttributeSet attrs) { 261 super(context, attrs); 262 setChipDimensions(context, attrs); 263 mTextHeight = calculateTextHeight(); 264 if (sSelectedTextColor == -1) { 265 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 266 } 267 mAlternatesPopup = new ListPopupWindow(context); 268 mAlternatesPopup.setBackgroundDrawable(null); 269 mAddressPopup = new ListPopupWindow(context); 270 mAddressPopup.setBackgroundDrawable(null); 271 mCopyDialog = new Dialog(context); 272 mAlternatesListener = new OnItemClickListener() { 273 @Override 274 public void onItemClick(AdapterView<?> adapterView,View view, int position, 275 long rowId) { 276 mAlternatesPopup.setOnItemClickListener(null); 277 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 278 .getRecipientEntry(position)); 279 Message delayed = Message.obtain(mHandler, DISMISS); 280 delayed.obj = mAlternatesPopup; 281 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 282 clearComposingText(); 283 } 284 }; 285 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 286 setOnItemClickListener(this); 287 setCustomSelectionActionModeCallback(this); 288 mHandler = new Handler() { 289 @Override 290 public void handleMessage(Message msg) { 291 if (msg.what == DISMISS) { 292 ((ListPopupWindow) msg.obj).dismiss(); 293 return; 294 } 295 super.handleMessage(msg); 296 } 297 }; 298 mTextWatcher = new RecipientTextWatcher(); 299 addTextChangedListener(mTextWatcher); 300 mGestureDetector = new GestureDetector(context, this); 301 setOnEditorActionListener(this); 302 303 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 304 } 305 306 @Override 307 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 308 super.onLayout(changed, left, top, right, bottom); 309 310 final AccessibilityManager accessibilityManager = 311 (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 312 mIsAccessibilityOn = accessibilityManager.isEnabled(); 313 } 314 315 private int calculateTextHeight() { 316 final Rect textBounds = new Rect(); 317 final TextPaint paint = getPaint(); 318 319 textBounds.setEmpty(); 320 // First measure the bounds of a sample text. 321 final String textHeightSample = "a"; 322 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), textBounds); 323 324 textBounds.left = 0; 325 textBounds.right = 0; 326 327 return textBounds.height(); 328 } 329 330 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 331 mDropdownChipLayouter = dropdownChipLayouter; 332 mDropdownChipLayouter.setDeleteListener(this); 333 } 334 335 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 336 mRecipientEntryItemClickedListener = listener; 337 } 338 339 @Override 340 protected void onDetachedFromWindow() { 341 super.onDetachedFromWindow(); 342 mAttachedToWindow = false; 343 dismissPopups(); 344 } 345 346 @Override 347 protected void onAttachedToWindow() { 348 super.onAttachedToWindow(); 349 mAttachedToWindow = true; 350 351 final int anchorId = getDropDownAnchor(); 352 if (anchorId != View.NO_ID) { 353 mDropdownAnchor = getRootView().findViewById(anchorId); 354 } 355 } 356 357 @Override 358 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 359 if (action == EditorInfo.IME_ACTION_DONE) { 360 if (commitDefault()) { 361 return true; 362 } 363 if (mSelectedChip != null) { 364 clearSelectedChip(); 365 return true; 366 } else if (focusNext()) { 367 return true; 368 } 369 } 370 return false; 371 } 372 373 @Override 374 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 375 InputConnection connection = super.onCreateInputConnection(outAttrs); 376 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 377 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 378 // clear the existing action 379 outAttrs.imeOptions ^= imeActions; 380 // set the DONE action 381 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 382 } 383 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 384 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 385 } 386 387 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 388 389 // Custom action labels are discouraged in L; a checkmark icon is shown in place of the 390 // custom text in this case. 391 outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.L ? null : 392 getContext().getString(R.string.action_label); 393 return connection; 394 } 395 396 /*package*/ DrawableRecipientChip getLastChip() { 397 DrawableRecipientChip last = null; 398 DrawableRecipientChip[] chips = getSortedRecipients(); 399 if (chips != null && chips.length > 0) { 400 last = chips[chips.length - 1]; 401 } 402 return last; 403 } 404 405 /** 406 * @return The list of {@link RecipientEntry}s that have been selected by the user. 407 */ 408 public List<RecipientEntry> getSelectedRecipients() { 409 DrawableRecipientChip[] chips = 410 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 411 List<RecipientEntry> results = new ArrayList(); 412 if (chips == null) { 413 return results; 414 } 415 416 for (DrawableRecipientChip c : chips) { 417 results.add(c.getEntry()); 418 } 419 420 return results; 421 } 422 423 @Override 424 public void onSelectionChanged(int start, int end) { 425 // When selection changes, see if it is inside the chips area. 426 // If so, move the cursor back after the chips again. 427 DrawableRecipientChip last = getLastChip(); 428 if (last != null && start < getSpannable().getSpanEnd(last)) { 429 // Grab the last chip and set the cursor to after it. 430 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 431 } 432 super.onSelectionChanged(start, end); 433 } 434 435 @Override 436 public void onRestoreInstanceState(Parcelable state) { 437 if (!TextUtils.isEmpty(getText())) { 438 super.onRestoreInstanceState(null); 439 } else { 440 super.onRestoreInstanceState(state); 441 } 442 } 443 444 @Override 445 public Parcelable onSaveInstanceState() { 446 // If the user changes orientation while they are editing, just roll back the selection. 447 clearSelectedChip(); 448 return super.onSaveInstanceState(); 449 } 450 451 /** 452 * Convenience method: Append the specified text slice to the TextView's 453 * display buffer, upgrading it to BufferType.EDITABLE if it was 454 * not already editable. Commas are excluded as they are added automatically 455 * by the view. 456 */ 457 @Override 458 public void append(CharSequence text, int start, int end) { 459 // We don't care about watching text changes while appending. 460 if (mTextWatcher != null) { 461 removeTextChangedListener(mTextWatcher); 462 } 463 super.append(text, start, end); 464 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 465 String displayString = text.toString(); 466 467 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 468 // We have no separator, so we should add it 469 super.append(SEPARATOR, 0, SEPARATOR.length()); 470 displayString += SEPARATOR; 471 } 472 473 if (!TextUtils.isEmpty(displayString) 474 && TextUtils.getTrimmedLength(displayString) > 0) { 475 mPendingChipsCount++; 476 mPendingChips.add(displayString); 477 } 478 } 479 // Put a message on the queue to make sure we ALWAYS handle pending 480 // chips. 481 if (mPendingChipsCount > 0) { 482 postHandlePendingChips(); 483 } 484 mHandler.post(mAddTextWatcher); 485 } 486 487 @Override 488 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 489 super.onFocusChanged(hasFocus, direction, previous); 490 if (!hasFocus) { 491 shrink(); 492 } else { 493 expand(); 494 } 495 } 496 497 // sVisibleDisplayFrameTop is computed on a on-demand basis because the view needs to be fully 498 // measured and created in order to calculate the visible display frame. 499 private int getVisibleDisplayFrameTop() { 500 if (sVisibleDisplayFrameTop == -1) { 501 final TypedValue tv = new TypedValue(); 502 final Context context = getContext(); 503 // Visible top is our visible display (due to status bar) plus the height of action bar. 504 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 505 sVisibleDisplayFrameTop = TypedValue.complexToDimensionPixelSize(tv.data, 506 getResources().getDisplayMetrics()); 507 } 508 // Compute the status bar height, or rather where our visible display starts 509 if (context instanceof Activity) { 510 final Rect visibleRect = new Rect(); 511 ((Activity) context).getWindow().getDecorView() 512 .getWindowVisibleDisplayFrame(visibleRect); 513 sVisibleDisplayFrameTop += visibleRect.top; 514 } 515 } 516 return sVisibleDisplayFrameTop; 517 } 518 519 @Override 520 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 521 super.setAdapter(adapter); 522 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 523 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 524 @Override 525 public void onChanged(List<RecipientEntry> entries) { 526 // Scroll the chips field to the top of the screen so 527 // that the user can see as many results as possible. 528 if (entries != null && entries.size() > 0) { 529 scrollBottomIntoView(); 530 // Here the current suggestion count is still the old one since we update 531 // the count at the bottom of this function. 532 if (mCurrentSuggestionCount == 0) { 533 // Announce the new number of possible choices for accessibility. 534 announceForAccessibilityCompat(getContext().getString( 535 R.string.accessbility_suggestion_dropdown_opened)); 536 } 537 } 538 539 // Set the dropdown height to be the remaining height from the anchor to the bottom. 540 final int[] coords = new int[2]; 541 mDropdownAnchor.getLocationInWindow(coords); 542 final Rect displayFrame = new Rect(); 543 getWindowVisibleDisplayFrame(displayFrame); 544 setDropDownHeight(displayFrame.bottom - coords[1] - mDropdownAnchor.getHeight()); 545 546 mCurrentSuggestionCount = entries == null ? 0 : entries.size(); 547 } 548 }); 549 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 550 } 551 552 private void announceForAccessibilityCompat(String text) { 553 if (mIsAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 554 final ViewParent parent = getParent(); 555 if (parent != null) { 556 AccessibilityEvent event = AccessibilityEvent.obtain( 557 AccessibilityEvent.TYPE_ANNOUNCEMENT); 558 onInitializeAccessibilityEvent(event); 559 event.getText().add(text); 560 event.setContentDescription(null); 561 parent.requestSendAccessibilityEvent(this, event); 562 } 563 } 564 } 565 566 protected void scrollBottomIntoView() { 567 if (mScrollView != null && mShouldShrink) { 568 final int[] location = new int[2]; 569 getLocationInWindow(location); 570 // Desired position shows at least 1 line of chips below the action 571 // bar. We add excess padding to make sure this is always below other 572 // content. 573 final int height = getHeight(); 574 final int currentPos = location[1] + height; 575 final int desiredPos = getVisibleDisplayFrameTop() + height / getLineCount(); 576 if (currentPos > desiredPos) { 577 mScrollView.scrollBy(0, currentPos - desiredPos); 578 } 579 } 580 } 581 582 protected ScrollView getScrollView() { 583 return mScrollView; 584 } 585 586 @Override 587 public void performValidation() { 588 // Do nothing. Chips handles its own validation. 589 } 590 591 private void shrink() { 592 if (mTokenizer == null) { 593 return; 594 } 595 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 596 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 597 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 598 clearSelectedChip(); 599 } else { 600 if (getWidth() <= 0) { 601 // We don't have the width yet which means the view hasn't been drawn yet 602 // and there is no reason to attempt to commit chips yet. 603 // This focus lost must be the result of an orientation change 604 // or an initial rendering. 605 // Re-post the shrink for later. 606 mHandler.removeCallbacks(mDelayedShrink); 607 mHandler.post(mDelayedShrink); 608 return; 609 } 610 // Reset any pending chips as they would have been handled 611 // when the field lost focus. 612 if (mPendingChipsCount > 0) { 613 postHandlePendingChips(); 614 } else { 615 Editable editable = getText(); 616 int end = getSelectionEnd(); 617 int start = mTokenizer.findTokenStart(editable, end); 618 DrawableRecipientChip[] chips = 619 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 620 if ((chips == null || chips.length == 0)) { 621 Editable text = getText(); 622 int whatEnd = mTokenizer.findTokenEnd(text, start); 623 // This token was already tokenized, so skip past the ending token. 624 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 625 whatEnd = movePastTerminators(whatEnd); 626 } 627 // In the middle of chip; treat this as an edit 628 // and commit the whole token. 629 int selEnd = getSelectionEnd(); 630 if (whatEnd != selEnd) { 631 handleEdit(start, whatEnd); 632 } else { 633 commitChip(start, end, editable); 634 } 635 } 636 } 637 mHandler.post(mAddTextWatcher); 638 } 639 createMoreChip(); 640 } 641 642 private void expand() { 643 if (mShouldShrink) { 644 setMaxLines(Integer.MAX_VALUE); 645 } 646 removeMoreChip(); 647 setCursorVisible(true); 648 Editable text = getText(); 649 setSelection(text != null && text.length() > 0 ? text.length() : 0); 650 // If there are any temporary chips, try replacing them now that the user 651 // has expanded the field. 652 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 653 new RecipientReplacementTask().execute(); 654 mTemporaryRecipients = null; 655 } 656 } 657 658 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 659 paint.setTextSize(mChipFontSize); 660 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 661 Log.d(TAG, "Max width is negative: " + maxWidth); 662 } 663 return TextUtils.ellipsize(text, paint, maxWidth, 664 TextUtils.TruncateAt.END); 665 } 666 667 /** 668 * Creates a bitmap of the given contact on a selected chip. 669 * 670 * @param contact The recipient entry to pull data from. 671 * @param paint The paint to use to draw the bitmap. 672 */ 673 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 674 paint.setColor(sSelectedTextColor); 675 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 676 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 677 678 if (bitmapContainer.loadIcon) { 679 loadAvatarIcon(contact, bitmapContainer); 680 } 681 682 return bitmapContainer.bitmap; 683 } 684 685 /** 686 * Creates a bitmap of the given contact on a selected chip. 687 * 688 * @param contact The recipient entry to pull data from. 689 * @param paint The paint to use to draw the bitmap. 690 */ 691 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 692 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 693 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 694 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 695 696 if (bitmapContainer.loadIcon) { 697 loadAvatarIcon(contact, bitmapContainer); 698 } 699 return bitmapContainer.bitmap; 700 } 701 702 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 703 Drawable overrideBackgroundDrawable, int backgroundColor) { 704 final ChipBitmapContainer result = new ChipBitmapContainer(); 705 706 Rect backgroundPadding = new Rect(); 707 if (overrideBackgroundDrawable != null) { 708 overrideBackgroundDrawable.getPadding(backgroundPadding); 709 } 710 711 // Ellipsize the text so that it takes AT MOST the entire width of the 712 // autocomplete text entry area. Make sure to leave space for padding 713 // on the sides. 714 int height = (int) mChipHeight; 715 // Since the icon is a square, it's width is equal to the maximum height it can be inside 716 // the chip. Don't include iconWidth for invalid contacts. 717 int iconWidth = contact.isValid() ? 718 height - backgroundPadding.top - backgroundPadding.bottom : 0; 719 float[] widths = new float[1]; 720 paint.getTextWidths(" ", widths); 721 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 722 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 723 - backgroundPadding.right); 724 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 725 726 // Chip start padding is the same as the end padding if there is no contact image. 727 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 728 // Make sure there is a minimum chip width so the user can ALWAYS 729 // tap a chip without difficulty. 730 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 731 + iconWidth + backgroundPadding.left + backgroundPadding.right); 732 733 // Create the background of the chip. 734 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 735 final Canvas canvas = new Canvas(result.bitmap); 736 737 // Check if the background drawable is set via attr 738 if (overrideBackgroundDrawable != null) { 739 overrideBackgroundDrawable.setBounds(0, 0, width, height); 740 overrideBackgroundDrawable.draw(canvas); 741 } else { 742 // Draw the default chip background 743 mWorkPaint.reset(); 744 mWorkPaint.setColor(backgroundColor); 745 mWorkPaint.setAntiAlias(true); 746 final float radius = height / 2; 747 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 748 mWorkPaint); 749 } 750 751 // Draw the text vertically aligned 752 int textX = shouldPositionAvatarOnRight() ? 753 mChipTextEndPadding + backgroundPadding.left : 754 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 755 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 756 textX, getTextYOffset(height), paint); 757 758 // Set the variables that are needed to draw the icon bitmap once it's loaded 759 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 760 backgroundPadding.left; 761 result.left = iconX; 762 result.top = backgroundPadding.top; 763 result.right = iconX + iconWidth; 764 result.bottom = height - backgroundPadding.bottom; 765 766 return result; 767 } 768 769 /** 770 * Helper function that draws the loaded icon bitmap into the chips bitmap 771 */ 772 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 773 final Canvas canvas = new Canvas(bitMapResult.bitmap); 774 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 775 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 776 bitMapResult.bottom); 777 drawIconOnCanvas(icon, canvas, src, dst); 778 } 779 780 /** 781 * Returns true if the avatar should be positioned at the right edge of the chip. 782 * Takes into account both the set avatar position (start or end) as well as whether 783 * the layout direction is LTR or RTL. 784 */ 785 private boolean shouldPositionAvatarOnRight() { 786 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 787 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 788 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 789 // If in Rtl mode, the position should be flipped. 790 return isRtl ? !assignedPosition : assignedPosition; 791 } 792 793 /** 794 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 795 * draw an icon for this recipient. 796 */ 797 private void loadAvatarIcon(final RecipientEntry contact, 798 final ChipBitmapContainer bitmapContainer) { 799 // Don't draw photos for recipients that have been typed in OR generated on the fly. 800 long contactId = contact.getContactId(); 801 boolean drawPhotos = isPhoneQuery() ? 802 contactId != RecipientEntry.INVALID_CONTACT 803 : (contactId != RecipientEntry.INVALID_CONTACT 804 && contactId != RecipientEntry.GENERATED_CONTACT); 805 806 if (drawPhotos) { 807 final byte[] origPhotoBytes = contact.getPhotoBytes(); 808 // There may not be a photo yet if anything but the first contact address 809 // was selected. 810 if (origPhotoBytes == null) { 811 // TODO: cache this in the recipient entry? 812 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 813 @Override 814 public void onPhotoBytesPopulated() { 815 // Call through to the async version which will ensure 816 // proper threading. 817 onPhotoBytesAsynchronouslyPopulated(); 818 } 819 820 @Override 821 public void onPhotoBytesAsynchronouslyPopulated() { 822 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 823 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 824 loadedPhotoBytes.length); 825 tryDrawAndInvalidate(icon); 826 } 827 828 @Override 829 public void onPhotoBytesAsyncLoadFailed() { 830 // TODO: can the scaled down default photo be cached? 831 tryDrawAndInvalidate(mDefaultContactPhoto); 832 } 833 834 private void tryDrawAndInvalidate(Bitmap icon) { 835 drawIcon(bitmapContainer, icon); 836 // The caller might originated from a background task. However, if the 837 // background task has already completed, the view might be already drawn 838 // on the UI but the callback would happen on the background thread. 839 // So if we are on a background thread, post an invalidate call to the UI. 840 if (Looper.myLooper() == Looper.getMainLooper()) { 841 // The view might not redraw itself since it's loaded asynchronously 842 invalidate(); 843 } else { 844 post(new Runnable() { 845 @Override 846 public void run() { 847 invalidate(); 848 } 849 }); 850 } 851 } 852 }); 853 } else { 854 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 855 origPhotoBytes.length); 856 drawIcon(bitmapContainer, icon); 857 } 858 } 859 } 860 861 /** 862 * Get the background drawable for a RecipientChip. 863 */ 864 // Visible for testing. 865 /* package */Drawable getChipBackground(RecipientEntry contact) { 866 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 867 } 868 869 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 870 return getResources().getColor(contact.isValid() ? R.color.chip_background : 871 R.color.chip_background_invalid); 872 } 873 874 /** 875 * Given a height, returns a Y offset that will draw the text in the middle of the height. 876 */ 877 protected float getTextYOffset(int height) { 878 return height - ((height - mTextHeight) / 2); 879 } 880 881 /** 882 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 883 * rectangle of the canvas. 884 */ 885 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 886 final Matrix matrix = new Matrix(); 887 888 // Draw bitmap through shader first. 889 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 890 matrix.reset(); 891 892 // Fit bitmap to bounds. 893 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 894 895 shader.setLocalMatrix(matrix); 896 mWorkPaint.reset(); 897 mWorkPaint.setShader(shader); 898 mWorkPaint.setAntiAlias(true); 899 mWorkPaint.setFilterBitmap(true); 900 mWorkPaint.setDither(true); 901 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 902 903 // Then draw the border. 904 final float borderWidth = 1f; 905 mWorkPaint.reset(); 906 mWorkPaint.setColor(Color.TRANSPARENT); 907 mWorkPaint.setStyle(Style.STROKE); 908 mWorkPaint.setStrokeWidth(borderWidth); 909 mWorkPaint.setAntiAlias(true); 910 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 911 912 mWorkPaint.reset(); 913 } 914 915 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 916 TextPaint paint = getPaint(); 917 float defaultSize = paint.getTextSize(); 918 int defaultColor = paint.getColor(); 919 920 Bitmap tmpBitmap; 921 if (pressed) { 922 tmpBitmap = createSelectedChip(contact, paint); 923 924 } else { 925 tmpBitmap = createUnselectedChip(contact, paint); 926 } 927 928 // Pass the full text, un-ellipsized, to the chip. 929 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 930 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 931 VisibleRecipientChip recipientChip = 932 new VisibleRecipientChip(result, contact); 933 recipientChip.setExtraMargin(mLineSpacingExtra); 934 // Return text to the original size. 935 paint.setTextSize(defaultSize); 936 paint.setColor(defaultColor); 937 return recipientChip; 938 } 939 940 /** 941 * Calculate the bottom of the line the chip will be located on using: 942 * 1) which line the chip appears on 943 * 2) the height of a chip 944 * 3) padding built into the edit text view 945 */ 946 private int calculateOffsetFromBottom(int line) { 947 // Line offsets start at zero. 948 int actualLine = getLineCount() - (line + 1); 949 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 950 + getDropDownVerticalOffset(); 951 } 952 953 /** 954 * Calculate the offset from bottom of the EditText to top of the provided line. 955 */ 956 private int calculateOffsetFromBottomToTop(int line) { 957 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 958 .abs(getLineCount() - line)) + getPaddingBottom()); 959 } 960 961 /** 962 * Get the max amount of space a chip can take up. The formula takes into 963 * account the width of the EditTextView, any view padding, and padding 964 * that will be added to the chip. 965 */ 966 private float calculateAvailableWidth() { 967 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 968 - mChipTextEndPadding; 969 } 970 971 972 private void setChipDimensions(Context context, AttributeSet attrs) { 973 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 974 0); 975 Resources r = getContext().getResources(); 976 977 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 978 mChipBackgroundPressed = a 979 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 980 mInvalidChipBackground = a 981 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 982 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 983 if (mChipDelete == null) { 984 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 985 } 986 mChipTextStartPadding = mChipTextEndPadding 987 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 988 if (mChipTextStartPadding == -1) { 989 mChipTextStartPadding = mChipTextEndPadding = 990 (int) r.getDimension(R.dimen.chip_padding); 991 } 992 // xml-overrides for each individual padding 993 // TODO: add these to attr? 994 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 995 if (overridePadding >= 0) { 996 mChipTextStartPadding = overridePadding; 997 } 998 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 999 if (overridePadding >= 0) { 1000 mChipTextEndPadding = overridePadding; 1001 } 1002 1003 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 1004 1005 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 1006 1007 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 1008 if (mChipHeight == -1) { 1009 mChipHeight = r.getDimension(R.dimen.chip_height); 1010 } 1011 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 1012 if (mChipFontSize == -1) { 1013 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 1014 } 1015 mAvatarPosition = 1016 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 1017 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 1018 1019 mMaxLines = r.getInteger(R.integer.chips_max_lines); 1020 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 1021 1022 a.recycle(); 1023 } 1024 1025 // Visible for testing. 1026 /* package */ void setMoreItem(TextView moreItem) { 1027 mMoreItem = moreItem; 1028 } 1029 1030 1031 // Visible for testing. 1032 /* package */ void setChipBackground(Drawable chipBackground) { 1033 mChipBackground = chipBackground; 1034 } 1035 1036 // Visible for testing. 1037 /* package */ void setChipHeight(int height) { 1038 mChipHeight = height; 1039 } 1040 1041 public float getChipHeight() { 1042 return mChipHeight; 1043 } 1044 1045 /** 1046 * Set whether to shrink the recipients field such that at most 1047 * one line of recipients chips are shown when the field loses 1048 * focus. By default, the number of displayed recipients will be 1049 * limited and a "more" chip will be shown when focus is lost. 1050 * @param shrink 1051 */ 1052 public void setOnFocusListShrinkRecipients(boolean shrink) { 1053 mShouldShrink = shrink; 1054 } 1055 1056 @Override 1057 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1058 super.onSizeChanged(width, height, oldw, oldh); 1059 if (width != 0 && height != 0) { 1060 if (mPendingChipsCount > 0) { 1061 postHandlePendingChips(); 1062 } else { 1063 checkChipWidths(); 1064 } 1065 } 1066 // Try to find the scroll view parent, if it exists. 1067 if (mScrollView == null && !mTriedGettingScrollView) { 1068 ViewParent parent = getParent(); 1069 while (parent != null && !(parent instanceof ScrollView)) { 1070 parent = parent.getParent(); 1071 } 1072 if (parent != null) { 1073 mScrollView = (ScrollView) parent; 1074 } 1075 mTriedGettingScrollView = true; 1076 } 1077 } 1078 1079 private void postHandlePendingChips() { 1080 mHandler.removeCallbacks(mHandlePendingChips); 1081 mHandler.post(mHandlePendingChips); 1082 } 1083 1084 private void checkChipWidths() { 1085 // Check the widths of the associated chips. 1086 DrawableRecipientChip[] chips = getSortedRecipients(); 1087 if (chips != null) { 1088 Rect bounds; 1089 for (DrawableRecipientChip chip : chips) { 1090 bounds = chip.getBounds(); 1091 if (getWidth() > 0 && bounds.right - bounds.left > 1092 getWidth() - getPaddingLeft() - getPaddingRight()) { 1093 // Need to redraw that chip. 1094 replaceChip(chip, chip.getEntry()); 1095 } 1096 } 1097 } 1098 } 1099 1100 // Visible for testing. 1101 /*package*/ void handlePendingChips() { 1102 if (getViewWidth() <= 0) { 1103 // The widget has not been sized yet. 1104 // This will be called as a result of onSizeChanged 1105 // at a later point. 1106 return; 1107 } 1108 if (mPendingChipsCount <= 0) { 1109 return; 1110 } 1111 1112 synchronized (mPendingChips) { 1113 Editable editable = getText(); 1114 // Tokenize! 1115 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1116 for (int i = 0; i < mPendingChips.size(); i++) { 1117 String current = mPendingChips.get(i); 1118 int tokenStart = editable.toString().indexOf(current); 1119 // Always leave a space at the end between tokens. 1120 int tokenEnd = tokenStart + current.length() - 1; 1121 if (tokenStart >= 0) { 1122 // When we have a valid token, include it with the token 1123 // to the left. 1124 if (tokenEnd < editable.length() - 2 1125 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1126 tokenEnd++; 1127 } 1128 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1129 || !mShouldShrink); 1130 } 1131 mPendingChipsCount--; 1132 } 1133 sanitizeEnd(); 1134 } else { 1135 mNoChips = true; 1136 } 1137 1138 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1139 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1140 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1141 new RecipientReplacementTask().execute(); 1142 mTemporaryRecipients = null; 1143 } else { 1144 // Create the "more" chip 1145 mIndividualReplacements = new IndividualReplacementTask(); 1146 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1147 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1148 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1149 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1150 mTemporaryRecipients.subList(CHIP_LIMIT, 1151 mTemporaryRecipients.size())); 1152 } else { 1153 mTemporaryRecipients = null; 1154 } 1155 createMoreChip(); 1156 } 1157 } else { 1158 // There are too many recipients to look up, so just fall back 1159 // to showing addresses for all of them. 1160 mTemporaryRecipients = null; 1161 createMoreChip(); 1162 } 1163 mPendingChipsCount = 0; 1164 mPendingChips.clear(); 1165 } 1166 } 1167 1168 // Visible for testing. 1169 /*package*/ int getViewWidth() { 1170 return getWidth(); 1171 } 1172 1173 /** 1174 * Remove any characters after the last valid chip. 1175 */ 1176 // Visible for testing. 1177 /*package*/ void sanitizeEnd() { 1178 // Don't sanitize while we are waiting for pending chips to complete. 1179 if (mPendingChipsCount > 0) { 1180 return; 1181 } 1182 // Find the last chip; eliminate any commit characters after it. 1183 DrawableRecipientChip[] chips = getSortedRecipients(); 1184 Spannable spannable = getSpannable(); 1185 if (chips != null && chips.length > 0) { 1186 int end; 1187 mMoreChip = getMoreChip(); 1188 if (mMoreChip != null) { 1189 end = spannable.getSpanEnd(mMoreChip); 1190 } else { 1191 end = getSpannable().getSpanEnd(getLastChip()); 1192 } 1193 Editable editable = getText(); 1194 int length = editable.length(); 1195 if (length > end) { 1196 // See what characters occur after that and eliminate them. 1197 if (Log.isLoggable(TAG, Log.DEBUG)) { 1198 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1199 + editable); 1200 } 1201 editable.delete(end + 1, length); 1202 } 1203 } 1204 } 1205 1206 /** 1207 * Create a chip that represents just the email address of a recipient. At some later 1208 * point, this chip will be attached to a real contact entry, if one exists. 1209 */ 1210 // VisibleForTesting 1211 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1212 boolean visible) { 1213 if (alreadyHasChip(tokenStart, tokenEnd)) { 1214 // There is already a chip present at this location. 1215 // Don't recreate it. 1216 return; 1217 } 1218 String token = editable.toString().substring(tokenStart, tokenEnd); 1219 final String trimmedToken = token.trim(); 1220 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1221 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1222 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1223 } 1224 RecipientEntry entry = createTokenizedEntry(token); 1225 if (entry != null) { 1226 DrawableRecipientChip chip = null; 1227 try { 1228 if (!mNoChips) { 1229 chip = visible ? 1230 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1231 } 1232 } catch (NullPointerException e) { 1233 Log.e(TAG, e.getMessage(), e); 1234 } 1235 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1236 // Add this chip to the list of entries "to replace" 1237 if (chip != null) { 1238 if (mTemporaryRecipients == null) { 1239 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1240 } 1241 chip.setOriginalText(token); 1242 mTemporaryRecipients.add(chip); 1243 } 1244 } 1245 } 1246 1247 private static boolean isPhoneNumber(String number) { 1248 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1249 // PhoneNumberUtil). One complication is that it requires the sender's region which 1250 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1251 if (TextUtils.isEmpty(number)) { 1252 return false; 1253 } 1254 1255 Matcher match = PHONE_PATTERN.matcher(number); 1256 return match.matches(); 1257 } 1258 1259 // VisibleForTesting 1260 RecipientEntry createTokenizedEntry(final String token) { 1261 if (TextUtils.isEmpty(token)) { 1262 return null; 1263 } 1264 if (isPhoneQuery() && isPhoneNumber(token)) { 1265 return RecipientEntry.constructFakePhoneEntry(token, true); 1266 } 1267 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1268 String display = null; 1269 boolean isValid = isValid(token); 1270 if (isValid && tokens != null && tokens.length > 0) { 1271 // If we can get a name from tokenizing, then generate an entry from 1272 // this. 1273 display = tokens[0].getName(); 1274 if (!TextUtils.isEmpty(display)) { 1275 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1276 isValid); 1277 } else { 1278 display = tokens[0].getAddress(); 1279 if (!TextUtils.isEmpty(display)) { 1280 return RecipientEntry.constructFakeEntry(display, isValid); 1281 } 1282 } 1283 } 1284 // Unable to validate the token or to create a valid token from it. 1285 // Just create a chip the user can edit. 1286 String validatedToken = null; 1287 if (mValidator != null && !isValid) { 1288 // Try fixing up the entry using the validator. 1289 validatedToken = mValidator.fixText(token).toString(); 1290 if (!TextUtils.isEmpty(validatedToken)) { 1291 if (validatedToken.contains(token)) { 1292 // protect against the case of a validator with a null 1293 // domain, 1294 // which doesn't add a domain to the token 1295 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1296 if (tokenized.length > 0) { 1297 validatedToken = tokenized[0].getAddress(); 1298 isValid = true; 1299 } 1300 } else { 1301 // We ran into a case where the token was invalid and 1302 // removed 1303 // by the validator. In this case, just use the original 1304 // token 1305 // and let the user sort out the error chip. 1306 validatedToken = null; 1307 isValid = false; 1308 } 1309 } 1310 } 1311 // Otherwise, fallback to just creating an editable email address chip. 1312 return RecipientEntry.constructFakeEntry( 1313 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1314 } 1315 1316 private boolean isValid(String text) { 1317 return mValidator == null ? true : mValidator.isValid(text); 1318 } 1319 1320 private static String tokenizeAddress(String destination) { 1321 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1322 if (tokens != null && tokens.length > 0) { 1323 return tokens[0].getAddress(); 1324 } 1325 return destination; 1326 } 1327 1328 @Override 1329 public void setTokenizer(Tokenizer tokenizer) { 1330 mTokenizer = tokenizer; 1331 super.setTokenizer(mTokenizer); 1332 } 1333 1334 @Override 1335 public void setValidator(Validator validator) { 1336 mValidator = validator; 1337 super.setValidator(validator); 1338 } 1339 1340 /** 1341 * We cannot use the default mechanism for replaceText. Instead, 1342 * we override onItemClickListener so we can get all the associated 1343 * contact information including display text, address, and id. 1344 */ 1345 @Override 1346 protected void replaceText(CharSequence text) { 1347 return; 1348 } 1349 1350 /** 1351 * Dismiss any selected chips when the back key is pressed. 1352 */ 1353 @Override 1354 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1355 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1356 clearSelectedChip(); 1357 return true; 1358 } 1359 return super.onKeyPreIme(keyCode, event); 1360 } 1361 1362 /** 1363 * Monitor key presses in this view to see if the user types 1364 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1365 * If the user has entered text that has contact matches and types 1366 * a commit key, create a chip from the topmost matching contact. 1367 * If the user has entered text that has no contact matches and types 1368 * a commit key, then create a chip from the text they have entered. 1369 */ 1370 @Override 1371 public boolean onKeyUp(int keyCode, KeyEvent event) { 1372 switch (keyCode) { 1373 case KeyEvent.KEYCODE_TAB: 1374 if (event.hasNoModifiers()) { 1375 if (mSelectedChip != null) { 1376 clearSelectedChip(); 1377 } else { 1378 commitDefault(); 1379 } 1380 } 1381 break; 1382 } 1383 return super.onKeyUp(keyCode, event); 1384 } 1385 1386 private boolean focusNext() { 1387 View next = focusSearch(View.FOCUS_DOWN); 1388 if (next != null) { 1389 next.requestFocus(); 1390 return true; 1391 } 1392 return false; 1393 } 1394 1395 /** 1396 * Create a chip from the default selection. If the popup is showing, the 1397 * default is the selected item (if one is selected), or the first item, in the popup 1398 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1399 * tokenizer should search for a token to turn into a chip. 1400 * @return If a chip was created from a real contact. 1401 */ 1402 private boolean commitDefault() { 1403 // If there is no tokenizer, don't try to commit. 1404 if (mTokenizer == null) { 1405 return false; 1406 } 1407 Editable editable = getText(); 1408 int end = getSelectionEnd(); 1409 int start = mTokenizer.findTokenStart(editable, end); 1410 1411 if (shouldCreateChip(start, end)) { 1412 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1413 // In the middle of chip; treat this as an edit 1414 // and commit the whole token. 1415 whatEnd = movePastTerminators(whatEnd); 1416 if (whatEnd != getSelectionEnd()) { 1417 handleEdit(start, whatEnd); 1418 return true; 1419 } 1420 return commitChip(start, end , editable); 1421 } 1422 return false; 1423 } 1424 1425 private void commitByCharacter() { 1426 // We can't possibly commit by character if we can't tokenize. 1427 if (mTokenizer == null) { 1428 return; 1429 } 1430 Editable editable = getText(); 1431 int end = getSelectionEnd(); 1432 int start = mTokenizer.findTokenStart(editable, end); 1433 if (shouldCreateChip(start, end)) { 1434 commitChip(start, end, editable); 1435 } 1436 setSelection(getText().length()); 1437 } 1438 1439 private boolean commitChip(int start, int end, Editable editable) { 1440 ListAdapter adapter = getAdapter(); 1441 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1442 && end == getSelectionEnd() && !isPhoneQuery()) { 1443 // let's choose the selected or first entry if only the input text is NOT an email 1444 // address so we won't try to replace the user's potentially correct but 1445 // new/unencountered email input 1446 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1447 final int selectedPosition = getListSelection(); 1448 if (selectedPosition == -1) { 1449 // Nothing is selected; use the first item 1450 submitItemAtPosition(0); 1451 } else { 1452 submitItemAtPosition(selectedPosition); 1453 } 1454 } 1455 dismissDropDown(); 1456 return true; 1457 } else { 1458 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1459 if (editable.length() > tokenEnd + 1) { 1460 char charAt = editable.charAt(tokenEnd + 1); 1461 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1462 tokenEnd++; 1463 } 1464 } 1465 String text = editable.toString().substring(start, tokenEnd).trim(); 1466 clearComposingText(); 1467 if (text != null && text.length() > 0 && !text.equals(" ")) { 1468 RecipientEntry entry = createTokenizedEntry(text); 1469 if (entry != null) { 1470 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1471 CharSequence chipText = createChip(entry, false); 1472 if (chipText != null && start > -1 && end > -1) { 1473 editable.replace(start, end, chipText); 1474 } 1475 } 1476 // Only dismiss the dropdown if it is related to the text we 1477 // just committed. 1478 // For paste, it may not be as there are possibly multiple 1479 // tokens being added. 1480 if (end == getSelectionEnd()) { 1481 dismissDropDown(); 1482 } 1483 sanitizeBetween(); 1484 return true; 1485 } 1486 } 1487 return false; 1488 } 1489 1490 // Visible for testing. 1491 /* package */ void sanitizeBetween() { 1492 // Don't sanitize while we are waiting for content to chipify. 1493 if (mPendingChipsCount > 0) { 1494 return; 1495 } 1496 // Find the last chip. 1497 DrawableRecipientChip[] recips = getSortedRecipients(); 1498 if (recips != null && recips.length > 0) { 1499 DrawableRecipientChip last = recips[recips.length - 1]; 1500 DrawableRecipientChip beforeLast = null; 1501 if (recips.length > 1) { 1502 beforeLast = recips[recips.length - 2]; 1503 } 1504 int startLooking = 0; 1505 int end = getSpannable().getSpanStart(last); 1506 if (beforeLast != null) { 1507 startLooking = getSpannable().getSpanEnd(beforeLast); 1508 Editable text = getText(); 1509 if (startLooking == -1 || startLooking > text.length() - 1) { 1510 // There is nothing after this chip. 1511 return; 1512 } 1513 if (text.charAt(startLooking) == ' ') { 1514 startLooking++; 1515 } 1516 } 1517 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1518 getText().delete(startLooking, end); 1519 } 1520 } 1521 } 1522 1523 private boolean shouldCreateChip(int start, int end) { 1524 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1525 } 1526 1527 private boolean alreadyHasChip(int start, int end) { 1528 if (mNoChips) { 1529 return true; 1530 } 1531 DrawableRecipientChip[] chips = 1532 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1533 if ((chips == null || chips.length == 0)) { 1534 return false; 1535 } 1536 return true; 1537 } 1538 1539 private void handleEdit(int start, int end) { 1540 if (start == -1 || end == -1) { 1541 // This chip no longer exists in the field. 1542 dismissDropDown(); 1543 return; 1544 } 1545 // This is in the middle of a chip, so select out the whole chip 1546 // and commit it. 1547 Editable editable = getText(); 1548 setSelection(end); 1549 String text = getText().toString().substring(start, end); 1550 if (!TextUtils.isEmpty(text)) { 1551 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1552 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1553 CharSequence chipText = createChip(entry, false); 1554 int selEnd = getSelectionEnd(); 1555 if (chipText != null && start > -1 && selEnd > -1) { 1556 editable.replace(start, selEnd, chipText); 1557 } 1558 } 1559 dismissDropDown(); 1560 } 1561 1562 /** 1563 * If there is a selected chip, delegate the key events 1564 * to the selected chip. 1565 */ 1566 @Override 1567 public boolean onKeyDown(int keyCode, KeyEvent event) { 1568 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1569 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1570 mAlternatesPopup.dismiss(); 1571 } 1572 removeChip(mSelectedChip); 1573 } 1574 1575 switch (keyCode) { 1576 case KeyEvent.KEYCODE_ENTER: 1577 case KeyEvent.KEYCODE_DPAD_CENTER: 1578 if (event.hasNoModifiers()) { 1579 if (commitDefault()) { 1580 return true; 1581 } 1582 if (mSelectedChip != null) { 1583 clearSelectedChip(); 1584 return true; 1585 } else if (focusNext()) { 1586 return true; 1587 } 1588 } 1589 break; 1590 } 1591 1592 return super.onKeyDown(keyCode, event); 1593 } 1594 1595 // Visible for testing. 1596 /* package */ Spannable getSpannable() { 1597 return getText(); 1598 } 1599 1600 private int getChipStart(DrawableRecipientChip chip) { 1601 return getSpannable().getSpanStart(chip); 1602 } 1603 1604 private int getChipEnd(DrawableRecipientChip chip) { 1605 return getSpannable().getSpanEnd(chip); 1606 } 1607 1608 /** 1609 * Instead of filtering on the entire contents of the edit box, 1610 * this subclass method filters on the range from 1611 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1612 * if the length of that range meets or exceeds {@link #getThreshold} 1613 * and makes sure that the range is not already a Chip. 1614 */ 1615 @Override 1616 protected void performFiltering(CharSequence text, int keyCode) { 1617 boolean isCompletedToken = isCompletedToken(text); 1618 if (enoughToFilter() && !isCompletedToken) { 1619 int end = getSelectionEnd(); 1620 int start = mTokenizer.findTokenStart(text, end); 1621 // If this is a RecipientChip, don't filter 1622 // on its contents. 1623 Spannable span = getSpannable(); 1624 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1625 if (chips != null && chips.length > 0) { 1626 dismissDropDown(); 1627 return; 1628 } 1629 } else if (isCompletedToken) { 1630 dismissDropDown(); 1631 return; 1632 } 1633 super.performFiltering(text, keyCode); 1634 } 1635 1636 // Visible for testing. 1637 /*package*/ boolean isCompletedToken(CharSequence text) { 1638 if (TextUtils.isEmpty(text)) { 1639 return false; 1640 } 1641 // Check to see if this is a completed token before filtering. 1642 int end = text.length(); 1643 int start = mTokenizer.findTokenStart(text, end); 1644 String token = text.toString().substring(start, end).trim(); 1645 if (!TextUtils.isEmpty(token)) { 1646 char atEnd = token.charAt(token.length() - 1); 1647 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1648 } 1649 return false; 1650 } 1651 1652 private void clearSelectedChip() { 1653 if (mSelectedChip != null) { 1654 unselectChip(mSelectedChip); 1655 mSelectedChip = null; 1656 } 1657 setCursorVisible(true); 1658 } 1659 1660 /** 1661 * Monitor touch events in the RecipientEditTextView. 1662 * If the view does not have focus, any tap on the view 1663 * will just focus the view. If the view has focus, determine 1664 * if the touch target is a recipient chip. If it is and the chip 1665 * is not selected, select it and clear any other selected chips. 1666 * If it isn't, then select that chip. 1667 */ 1668 @Override 1669 public boolean onTouchEvent(MotionEvent event) { 1670 if (!isFocused()) { 1671 // Ignore any chip taps until this view is focused. 1672 return super.onTouchEvent(event); 1673 } 1674 boolean handled = super.onTouchEvent(event); 1675 int action = event.getAction(); 1676 boolean chipWasSelected = false; 1677 if (mSelectedChip == null) { 1678 mGestureDetector.onTouchEvent(event); 1679 } 1680 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1681 float x = event.getX(); 1682 float y = event.getY(); 1683 int offset = putOffsetInRange(x, y); 1684 DrawableRecipientChip currentChip = findChip(offset); 1685 if (currentChip != null) { 1686 if (action == MotionEvent.ACTION_UP) { 1687 if (mSelectedChip != null && mSelectedChip != currentChip) { 1688 clearSelectedChip(); 1689 mSelectedChip = selectChip(currentChip); 1690 } else if (mSelectedChip == null) { 1691 setSelection(getText().length()); 1692 commitDefault(); 1693 mSelectedChip = selectChip(currentChip); 1694 } else { 1695 onClick(mSelectedChip); 1696 } 1697 } 1698 chipWasSelected = true; 1699 handled = true; 1700 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1701 chipWasSelected = true; 1702 } 1703 } 1704 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1705 clearSelectedChip(); 1706 } 1707 return handled; 1708 } 1709 1710 private void scrollLineIntoView(int line) { 1711 if (mScrollView != null) { 1712 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1713 } 1714 } 1715 1716 private void showAlternates(final DrawableRecipientChip currentChip, 1717 final ListPopupWindow alternatesPopup) { 1718 new AsyncTask<Void, Void, ListAdapter>() { 1719 @Override 1720 protected ListAdapter doInBackground(final Void... params) { 1721 return createAlternatesAdapter(currentChip); 1722 } 1723 1724 @Override 1725 protected void onPostExecute(final ListAdapter result) { 1726 if (!mAttachedToWindow) { 1727 return; 1728 } 1729 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1730 int bottomOffset = calculateOffsetFromBottomToTop(line); 1731 1732 // Align the alternates popup with the left side of the View, 1733 // regardless of the position of the chip tapped. 1734 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1735 mAlternatePopupAnchor : RecipientEditTextView.this); 1736 alternatesPopup.setVerticalOffset(bottomOffset); 1737 alternatesPopup.setAdapter(result); 1738 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1739 // Clear the checked item. 1740 mCheckedItem = -1; 1741 alternatesPopup.show(); 1742 ListView listView = alternatesPopup.getListView(); 1743 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1744 // Checked item would be -1 if the adapter has not 1745 // loaded the view that should be checked yet. The 1746 // variable will be set correctly when onCheckedItemChanged 1747 // is called in a separate thread. 1748 if (mCheckedItem != -1) { 1749 listView.setItemChecked(mCheckedItem, true); 1750 mCheckedItem = -1; 1751 } 1752 } 1753 }.execute((Void[]) null); 1754 } 1755 1756 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1757 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1758 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1759 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1760 constructStateListDeleteDrawable()); 1761 } 1762 1763 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1764 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1765 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1766 } 1767 1768 private StateListDrawable constructStateListDeleteDrawable() { 1769 // Construct the StateListDrawable from deleteDrawable 1770 StateListDrawable deleteDrawable = new StateListDrawable(); 1771 if (!mDisableDelete) { 1772 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1773 } 1774 deleteDrawable.addState(new int[0], null); 1775 return deleteDrawable; 1776 } 1777 1778 @Override 1779 public void onCheckedItemChanged(int position) { 1780 ListView listView = mAlternatesPopup.getListView(); 1781 if (listView != null && listView.getCheckedItemCount() == 0) { 1782 listView.setItemChecked(position, true); 1783 } 1784 mCheckedItem = position; 1785 } 1786 1787 private int putOffsetInRange(final float x, final float y) { 1788 final int offset; 1789 1790 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1791 offset = getOffsetForPosition(x, y); 1792 } else { 1793 offset = supportGetOffsetForPosition(x, y); 1794 } 1795 1796 return putOffsetInRange(offset); 1797 } 1798 1799 // TODO: This algorithm will need a lot of tweaking after more people have used 1800 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1801 // what comes before the finger. 1802 private int putOffsetInRange(int o) { 1803 int offset = o; 1804 Editable text = getText(); 1805 int length = text.length(); 1806 // Remove whitespace from end to find "real end" 1807 int realLength = length; 1808 for (int i = length - 1; i >= 0; i--) { 1809 if (text.charAt(i) == ' ') { 1810 realLength--; 1811 } else { 1812 break; 1813 } 1814 } 1815 1816 // If the offset is beyond or at the end of the text, 1817 // leave it alone. 1818 if (offset >= realLength) { 1819 return offset; 1820 } 1821 Editable editable = getText(); 1822 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1823 // Keep walking backward! 1824 offset--; 1825 } 1826 return offset; 1827 } 1828 1829 private static int findText(Editable text, int offset) { 1830 if (text.charAt(offset) != ' ') { 1831 return offset; 1832 } 1833 return -1; 1834 } 1835 1836 private DrawableRecipientChip findChip(int offset) { 1837 DrawableRecipientChip[] chips = 1838 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1839 // Find the chip that contains this offset. 1840 for (int i = 0; i < chips.length; i++) { 1841 DrawableRecipientChip chip = chips[i]; 1842 int start = getChipStart(chip); 1843 int end = getChipEnd(chip); 1844 if (offset >= start && offset <= end) { 1845 return chip; 1846 } 1847 } 1848 return null; 1849 } 1850 1851 // Visible for testing. 1852 // Use this method to generate text to add to the list of addresses. 1853 /* package */String createAddressText(RecipientEntry entry) { 1854 String display = entry.getDisplayName(); 1855 String address = entry.getDestination(); 1856 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1857 display = null; 1858 } 1859 String trimmedDisplayText; 1860 if (isPhoneQuery() && isPhoneNumber(address)) { 1861 trimmedDisplayText = address.trim(); 1862 } else { 1863 if (address != null) { 1864 // Tokenize out the address in case the address already 1865 // contained the username as well. 1866 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1867 if (tokenized != null && tokenized.length > 0) { 1868 address = tokenized[0].getAddress(); 1869 } 1870 } 1871 Rfc822Token token = new Rfc822Token(display, address, null); 1872 trimmedDisplayText = token.toString().trim(); 1873 } 1874 int index = trimmedDisplayText.indexOf(","); 1875 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1876 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1877 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1878 } 1879 1880 // Visible for testing. 1881 // Use this method to generate text to display in a chip. 1882 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1883 String display = entry.getDisplayName(); 1884 String address = entry.getDestination(); 1885 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1886 display = null; 1887 } 1888 if (!TextUtils.isEmpty(display)) { 1889 return display; 1890 } else if (!TextUtils.isEmpty(address)){ 1891 return address; 1892 } else { 1893 return new Rfc822Token(display, address, null).toString(); 1894 } 1895 } 1896 1897 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1898 final String displayText = createAddressText(entry); 1899 if (TextUtils.isEmpty(displayText)) { 1900 return null; 1901 } 1902 // Always leave a blank space at the end of a chip. 1903 final int textLength = displayText.length() - 1; 1904 final SpannableString chipText = new SpannableString(displayText); 1905 if (!mNoChips) { 1906 try { 1907 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1908 chipText.setSpan(chip, 0, textLength, 1909 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1910 chip.setOriginalText(chipText.toString()); 1911 } catch (NullPointerException e) { 1912 Log.e(TAG, e.getMessage(), e); 1913 return null; 1914 } 1915 } 1916 onChipCreated(entry); 1917 return chipText; 1918 } 1919 1920 /** 1921 * A callback for subclasses to use to know when a chip was created with the 1922 * given RecipientEntry. 1923 */ 1924 protected void onChipCreated(RecipientEntry entry) {} 1925 1926 /** 1927 * When an item in the suggestions list has been clicked, create a chip from the 1928 * contact information of the selected item. 1929 */ 1930 @Override 1931 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1932 if (position < 0) { 1933 return; 1934 } 1935 1936 final int charactersTyped = submitItemAtPosition(position); 1937 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1938 mRecipientEntryItemClickedListener 1939 .onRecipientEntryItemClicked(charactersTyped, position); 1940 } 1941 } 1942 1943 private int submitItemAtPosition(int position) { 1944 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1945 if (entry == null) { 1946 return -1; 1947 } 1948 clearComposingText(); 1949 1950 int end = getSelectionEnd(); 1951 int start = mTokenizer.findTokenStart(getText(), end); 1952 1953 Editable editable = getText(); 1954 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1955 CharSequence chip = createChip(entry, false); 1956 if (chip != null && start >= 0 && end >= 0) { 1957 editable.replace(start, end, chip); 1958 } 1959 sanitizeBetween(); 1960 1961 return end - start; 1962 } 1963 1964 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1965 if (item == null) { 1966 return null; 1967 } 1968 final RecipientEntry entry; 1969 // If the display name and the address are the same, or if this is a 1970 // valid contact, but the destination is invalid, then make this a fake 1971 // recipient that is editable. 1972 String destination = item.getDestination(); 1973 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1974 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1975 destination, item.isValid()); 1976 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1977 && (TextUtils.isEmpty(item.getDisplayName()) 1978 || TextUtils.equals(item.getDisplayName(), destination) 1979 || (mValidator != null && !mValidator.isValid(destination)))) { 1980 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1981 } else { 1982 entry = item; 1983 } 1984 return entry; 1985 } 1986 1987 // Visible for testing. 1988 /* package */DrawableRecipientChip[] getSortedRecipients() { 1989 DrawableRecipientChip[] recips = getSpannable() 1990 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1991 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1992 Arrays.asList(recips)); 1993 final Spannable spannable = getSpannable(); 1994 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1995 1996 @Override 1997 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1998 int firstStart = spannable.getSpanStart(first); 1999 int secondStart = spannable.getSpanStart(second); 2000 if (firstStart < secondStart) { 2001 return -1; 2002 } else if (firstStart > secondStart) { 2003 return 1; 2004 } else { 2005 return 0; 2006 } 2007 } 2008 }); 2009 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 2010 } 2011 2012 @Override 2013 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 2014 return false; 2015 } 2016 2017 @Override 2018 public void onDestroyActionMode(ActionMode mode) { 2019 } 2020 2021 @Override 2022 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2023 return false; 2024 } 2025 2026 /** 2027 * No chips are selectable. 2028 */ 2029 @Override 2030 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2031 return false; 2032 } 2033 2034 // Visible for testing. 2035 /* package */ReplacementDrawableSpan getMoreChip() { 2036 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2037 MoreImageSpan.class); 2038 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2039 } 2040 2041 private MoreImageSpan createMoreSpan(int count) { 2042 String moreText = String.format(mMoreItem.getText().toString(), count); 2043 mWorkPaint.set(getPaint()); 2044 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 2045 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 2046 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2047 + mMoreItem.getPaddingRight(); 2048 final int height = (int) mChipHeight; 2049 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2050 Canvas canvas = new Canvas(drawable); 2051 int adjustedHeight = height; 2052 Layout layout = getLayout(); 2053 if (layout != null) { 2054 adjustedHeight -= layout.getLineDescent(0); 2055 } 2056 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 2057 2058 Drawable result = new BitmapDrawable(getResources(), drawable); 2059 result.setBounds(0, 0, width, height); 2060 return new MoreImageSpan(result); 2061 } 2062 2063 // Visible for testing. 2064 /*package*/ void createMoreChipPlainText() { 2065 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2066 Editable text = getText(); 2067 int start = 0; 2068 int end = start; 2069 for (int i = 0; i < CHIP_LIMIT; i++) { 2070 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2071 start = end; // move to the next token and get its end. 2072 } 2073 // Now, count total addresses. 2074 start = 0; 2075 int tokenCount = countTokens(text); 2076 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2077 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2078 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2079 text.replace(end, text.length(), chipText); 2080 mMoreChip = moreSpan; 2081 } 2082 2083 // Visible for testing. 2084 /* package */int countTokens(Editable text) { 2085 int tokenCount = 0; 2086 int start = 0; 2087 while (start < text.length()) { 2088 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2089 tokenCount++; 2090 if (start >= text.length()) { 2091 break; 2092 } 2093 } 2094 return tokenCount; 2095 } 2096 2097 /** 2098 * Create the more chip. The more chip is text that replaces any chips that 2099 * do not fit in the pre-defined available space when the 2100 * RecipientEditTextView loses focus. 2101 */ 2102 // Visible for testing. 2103 /* package */ void createMoreChip() { 2104 if (mNoChips) { 2105 createMoreChipPlainText(); 2106 return; 2107 } 2108 2109 if (!mShouldShrink) { 2110 return; 2111 } 2112 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2113 MoreImageSpan.class); 2114 if (tempMore.length > 0) { 2115 getSpannable().removeSpan(tempMore[0]); 2116 } 2117 DrawableRecipientChip[] recipients = getSortedRecipients(); 2118 2119 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2120 mMoreChip = null; 2121 return; 2122 } 2123 Spannable spannable = getSpannable(); 2124 int numRecipients = recipients.length; 2125 int overage = numRecipients - CHIP_LIMIT; 2126 MoreImageSpan moreSpan = createMoreSpan(overage); 2127 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2128 int totalReplaceStart = 0; 2129 int totalReplaceEnd = 0; 2130 Editable text = getText(); 2131 for (int i = numRecipients - overage; i < recipients.length; i++) { 2132 mRemovedSpans.add(recipients[i]); 2133 if (i == numRecipients - overage) { 2134 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2135 } 2136 if (i == recipients.length - 1) { 2137 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2138 } 2139 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2140 int spanStart = spannable.getSpanStart(recipients[i]); 2141 int spanEnd = spannable.getSpanEnd(recipients[i]); 2142 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2143 } 2144 spannable.removeSpan(recipients[i]); 2145 } 2146 if (totalReplaceEnd < text.length()) { 2147 totalReplaceEnd = text.length(); 2148 } 2149 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2150 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2151 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2152 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2153 text.replace(start, end, chipText); 2154 mMoreChip = moreSpan; 2155 // If adding the +more chip goes over the limit, resize accordingly. 2156 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2157 setMaxLines(getLineCount()); 2158 } 2159 } 2160 2161 /** 2162 * Replace the more chip, if it exists, with all of the recipient chips it had 2163 * replaced when the RecipientEditTextView gains focus. 2164 */ 2165 // Visible for testing. 2166 /*package*/ void removeMoreChip() { 2167 if (mMoreChip != null) { 2168 Spannable span = getSpannable(); 2169 span.removeSpan(mMoreChip); 2170 mMoreChip = null; 2171 // Re-add the spans that were removed. 2172 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2173 // Recreate each removed span. 2174 DrawableRecipientChip[] recipients = getSortedRecipients(); 2175 // Start the search for tokens after the last currently visible 2176 // chip. 2177 if (recipients == null || recipients.length == 0) { 2178 return; 2179 } 2180 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2181 Editable editable = getText(); 2182 for (DrawableRecipientChip chip : mRemovedSpans) { 2183 int chipStart; 2184 int chipEnd; 2185 String token; 2186 // Need to find the location of the chip, again. 2187 token = (String) chip.getOriginalText(); 2188 // As we find the matching recipient for the remove spans, 2189 // reduce the size of the string we need to search. 2190 // That way, if there are duplicates, we always find the correct 2191 // recipient. 2192 chipStart = editable.toString().indexOf(token, end); 2193 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2194 // Only set the span if we found a matching token. 2195 if (chipStart != -1) { 2196 editable.setSpan(chip, chipStart, chipEnd, 2197 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2198 } 2199 } 2200 mRemovedSpans.clear(); 2201 } 2202 } 2203 } 2204 2205 /** 2206 * Show specified chip as selected. If the RecipientChip is just an email address, 2207 * selecting the chip will take the contents of the chip and place it at 2208 * the end of the RecipientEditTextView for inline editing. If the 2209 * RecipientChip is a complete contact, then selecting the chip 2210 * will change the background color of the chip, show the delete icon, 2211 * and a popup window with the address in use highlighted and any other 2212 * alternate addresses for the contact. 2213 * @param currentChip Chip to select. 2214 * @return A RecipientChip in the selected state or null if the chip 2215 * just contained an email address. 2216 */ 2217 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2218 if (shouldShowEditableText(currentChip)) { 2219 CharSequence text = currentChip.getValue(); 2220 Editable editable = getText(); 2221 Spannable spannable = getSpannable(); 2222 int spanStart = spannable.getSpanStart(currentChip); 2223 int spanEnd = spannable.getSpanEnd(currentChip); 2224 spannable.removeSpan(currentChip); 2225 // Don't need leading space if it's the only chip 2226 if (spanEnd - spanStart == editable.length() - 1) { 2227 spanEnd++; 2228 } 2229 editable.delete(spanStart, spanEnd); 2230 setCursorVisible(true); 2231 setSelection(editable.length()); 2232 editable.append(text); 2233 return constructChipSpan( 2234 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2235 true); 2236 } else { 2237 int start = getChipStart(currentChip); 2238 int end = getChipEnd(currentChip); 2239 getSpannable().removeSpan(currentChip); 2240 DrawableRecipientChip newChip; 2241 final boolean showAddress = 2242 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2243 getAdapter().forceShowAddress(); 2244 try { 2245 if (showAddress && mNoChips) { 2246 return null; 2247 } 2248 newChip = constructChipSpan(currentChip.getEntry(), true); 2249 } catch (NullPointerException e) { 2250 Log.e(TAG, e.getMessage(), e); 2251 return null; 2252 } 2253 Editable editable = getText(); 2254 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2255 if (start == -1 || end == -1) { 2256 Log.d(TAG, "The chip being selected no longer exists but should."); 2257 } else { 2258 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2259 } 2260 newChip.setSelected(true); 2261 if (shouldShowEditableText(newChip)) { 2262 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2263 } 2264 if (showAddress) { 2265 showAddress(newChip, mAddressPopup); 2266 } else { 2267 showAlternates(newChip, mAlternatesPopup); 2268 } 2269 setCursorVisible(false); 2270 return newChip; 2271 } 2272 } 2273 2274 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2275 long contactId = currentChip.getContactId(); 2276 return contactId == RecipientEntry.INVALID_CONTACT 2277 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2278 } 2279 2280 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2281 if (!mAttachedToWindow) { 2282 return; 2283 } 2284 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2285 int bottomOffset = calculateOffsetFromBottomToTop(line); 2286 // Align the alternates popup with the left side of the View, 2287 // regardless of the position of the chip tapped. 2288 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2289 popup.setVerticalOffset(bottomOffset); 2290 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2291 popup.setOnItemClickListener(new OnItemClickListener() { 2292 @Override 2293 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2294 unselectChip(currentChip); 2295 } 2296 }); 2297 popup.show(); 2298 ListView listView = popup.getListView(); 2299 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2300 listView.setItemChecked(0, true); 2301 } 2302 2303 /** 2304 * Remove selection from this chip. Unselecting a RecipientChip will render 2305 * the chip without a delete icon and with an unfocused background. This is 2306 * called when the RecipientChip no longer has focus. 2307 */ 2308 private void unselectChip(DrawableRecipientChip chip) { 2309 int start = getChipStart(chip); 2310 int end = getChipEnd(chip); 2311 Editable editable = getText(); 2312 mSelectedChip = null; 2313 if (start == -1 || end == -1) { 2314 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2315 setSelection(editable.length()); 2316 commitDefault(); 2317 } else { 2318 getSpannable().removeSpan(chip); 2319 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2320 editable.removeSpan(chip); 2321 try { 2322 if (!mNoChips) { 2323 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2324 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2325 } 2326 } catch (NullPointerException e) { 2327 Log.e(TAG, e.getMessage(), e); 2328 } 2329 } 2330 setCursorVisible(true); 2331 setSelection(editable.length()); 2332 dismissPopups(); 2333 } 2334 2335 @Override 2336 public void onChipDelete() { 2337 if (mSelectedChip != null) { 2338 removeChip(mSelectedChip); 2339 } 2340 dismissPopups(); 2341 } 2342 2343 private void dismissPopups() { 2344 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2345 mAlternatesPopup.dismiss(); 2346 } 2347 if (mAddressPopup != null && mAddressPopup.isShowing()) { 2348 mAddressPopup.dismiss(); 2349 } 2350 } 2351 2352 /** 2353 * Remove the chip and any text associated with it from the RecipientEditTextView. 2354 */ 2355 // Visible for testing. 2356 /* package */void removeChip(DrawableRecipientChip chip) { 2357 Spannable spannable = getSpannable(); 2358 int spanStart = spannable.getSpanStart(chip); 2359 int spanEnd = spannable.getSpanEnd(chip); 2360 Editable text = getText(); 2361 int toDelete = spanEnd; 2362 boolean wasSelected = chip == mSelectedChip; 2363 // Clear that there is a selected chip before updating any text. 2364 if (wasSelected) { 2365 mSelectedChip = null; 2366 } 2367 // Always remove trailing spaces when removing a chip. 2368 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2369 toDelete++; 2370 } 2371 spannable.removeSpan(chip); 2372 if (spanStart >= 0 && toDelete > 0) { 2373 text.delete(spanStart, toDelete); 2374 } 2375 if (wasSelected) { 2376 clearSelectedChip(); 2377 } 2378 } 2379 2380 /** 2381 * Replace this currently selected chip with a new chip 2382 * that uses the contact data provided. 2383 */ 2384 // Visible for testing. 2385 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2386 boolean wasSelected = chip == mSelectedChip; 2387 if (wasSelected) { 2388 mSelectedChip = null; 2389 } 2390 int start = getChipStart(chip); 2391 int end = getChipEnd(chip); 2392 getSpannable().removeSpan(chip); 2393 Editable editable = getText(); 2394 CharSequence chipText = createChip(entry, false); 2395 if (chipText != null) { 2396 if (start == -1 || end == -1) { 2397 Log.e(TAG, "The chip to replace does not exist but should."); 2398 editable.insert(0, chipText); 2399 } else { 2400 if (!TextUtils.isEmpty(chipText)) { 2401 // There may be a space to replace with this chip's new 2402 // associated space. Check for it 2403 int toReplace = end; 2404 while (toReplace >= 0 && toReplace < editable.length() 2405 && editable.charAt(toReplace) == ' ') { 2406 toReplace++; 2407 } 2408 editable.replace(start, toReplace, chipText); 2409 } 2410 } 2411 } 2412 setCursorVisible(true); 2413 if (wasSelected) { 2414 clearSelectedChip(); 2415 } 2416 } 2417 2418 /** 2419 * Handle click events for a chip. When a selected chip receives a click 2420 * event, see if that event was in the delete icon. If so, delete it. 2421 * Otherwise, unselect the chip. 2422 */ 2423 public void onClick(DrawableRecipientChip chip) { 2424 if (chip.isSelected()) { 2425 clearSelectedChip(); 2426 } 2427 } 2428 2429 private boolean chipsPending() { 2430 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2431 } 2432 2433 @Override 2434 public void removeTextChangedListener(TextWatcher watcher) { 2435 mTextWatcher = null; 2436 super.removeTextChangedListener(watcher); 2437 } 2438 2439 private boolean isValidEmailAddress(String input) { 2440 return !TextUtils.isEmpty(input) && mValidator != null && 2441 mValidator.isValid(input); 2442 } 2443 2444 private class RecipientTextWatcher implements TextWatcher { 2445 2446 @Override 2447 public void afterTextChanged(Editable s) { 2448 // If the text has been set to null or empty, make sure we remove 2449 // all the spans we applied. 2450 if (TextUtils.isEmpty(s)) { 2451 // Remove all the chips spans. 2452 Spannable spannable = getSpannable(); 2453 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2454 DrawableRecipientChip.class); 2455 for (DrawableRecipientChip chip : chips) { 2456 spannable.removeSpan(chip); 2457 } 2458 if (mMoreChip != null) { 2459 spannable.removeSpan(mMoreChip); 2460 } 2461 clearSelectedChip(); 2462 return; 2463 } 2464 // Get whether there are any recipients pending addition to the 2465 // view. If there are, don't do anything in the text watcher. 2466 if (chipsPending()) { 2467 return; 2468 } 2469 // If the user is editing a chip, don't clear it. 2470 if (mSelectedChip != null) { 2471 if (!isGeneratedContact(mSelectedChip)) { 2472 setCursorVisible(true); 2473 setSelection(getText().length()); 2474 clearSelectedChip(); 2475 } else { 2476 return; 2477 } 2478 } 2479 int length = s.length(); 2480 // Make sure there is content there to parse and that it is 2481 // not just the commit character. 2482 if (length > 1) { 2483 if (lastCharacterIsCommitCharacter(s)) { 2484 commitByCharacter(); 2485 return; 2486 } 2487 char last; 2488 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2489 int len = length() - 1; 2490 if (end != len) { 2491 last = s.charAt(end); 2492 } else { 2493 last = s.charAt(len); 2494 } 2495 if (last == COMMIT_CHAR_SPACE) { 2496 if (!isPhoneQuery()) { 2497 // Check if this is a valid email address. If it is, 2498 // commit it. 2499 String text = getText().toString(); 2500 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2501 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2502 tokenStart)); 2503 if (isValidEmailAddress(sub)) { 2504 commitByCharacter(); 2505 } 2506 } 2507 } 2508 } 2509 } 2510 2511 @Override 2512 public void onTextChanged(CharSequence s, int start, int before, int count) { 2513 // The user deleted some text OR some text was replaced; check to 2514 // see if the insertion point is on a space 2515 // following a chip. 2516 if (before - count == 1) { 2517 // If the item deleted is a space, and the thing before the 2518 // space is a chip, delete the entire span. 2519 int selStart = getSelectionStart(); 2520 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2521 DrawableRecipientChip.class); 2522 if (repl.length > 0) { 2523 // There is a chip there! Just remove it. 2524 Editable editable = getText(); 2525 // Add the separator token. 2526 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2527 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2528 tokenEnd = tokenEnd + 1; 2529 if (tokenEnd > editable.length()) { 2530 tokenEnd = editable.length(); 2531 } 2532 editable.delete(tokenStart, tokenEnd); 2533 getSpannable().removeSpan(repl[0]); 2534 } 2535 } else if (count > before) { 2536 if (mSelectedChip != null 2537 && isGeneratedContact(mSelectedChip)) { 2538 if (lastCharacterIsCommitCharacter(s)) { 2539 commitByCharacter(); 2540 return; 2541 } 2542 } 2543 } 2544 } 2545 2546 @Override 2547 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2548 // Do nothing. 2549 } 2550 } 2551 2552 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2553 char last; 2554 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2555 int len = length() - 1; 2556 if (end != len) { 2557 last = s.charAt(end); 2558 } else { 2559 last = s.charAt(len); 2560 } 2561 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2562 } 2563 2564 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2565 long contactId = chip.getContactId(); 2566 return contactId == RecipientEntry.INVALID_CONTACT 2567 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2568 } 2569 2570 /** 2571 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2572 */ 2573 // Visible for testing. 2574 void handlePasteClip(ClipData clip) { 2575 if (clip == null) { 2576 // Do nothing. 2577 return; 2578 } 2579 2580 final ClipDescription clipDesc = clip.getDescription(); 2581 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2582 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2583 if (!containsSupportedType) { 2584 return; 2585 } 2586 2587 removeTextChangedListener(mTextWatcher); 2588 2589 final ClipDescription clipDescription = clip.getDescription(); 2590 for (int i = 0; i < clip.getItemCount(); i++) { 2591 final String mimeType = clipDescription.getMimeType(i); 2592 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2593 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2594 if (!supportedType) { 2595 // Only plain text and html can be pasted. 2596 continue; 2597 } 2598 2599 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2600 if (!TextUtils.isEmpty(pastedItem)) { 2601 final Editable editable = getText(); 2602 final int start = getSelectionStart(); 2603 final int end = getSelectionEnd(); 2604 if (start < 0 || end < 1) { 2605 // No selection. 2606 editable.append(pastedItem); 2607 } else if (start == end) { 2608 // Insert at position. 2609 editable.insert(start, pastedItem); 2610 } else { 2611 editable.append(pastedItem, start, end); 2612 } 2613 handlePasteAndReplace(); 2614 } 2615 } 2616 2617 mHandler.post(mAddTextWatcher); 2618 } 2619 2620 @Override 2621 public boolean onTextContextMenuItem(int id) { 2622 if (id == android.R.id.paste) { 2623 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2624 Context.CLIPBOARD_SERVICE); 2625 handlePasteClip(clipboard.getPrimaryClip()); 2626 return true; 2627 } 2628 return super.onTextContextMenuItem(id); 2629 } 2630 2631 private void handlePasteAndReplace() { 2632 ArrayList<DrawableRecipientChip> created = handlePaste(); 2633 if (created != null && created.size() > 0) { 2634 // Perform reverse lookups on the pasted contacts. 2635 IndividualReplacementTask replace = new IndividualReplacementTask(); 2636 replace.execute(created); 2637 } 2638 } 2639 2640 // Visible for testing. 2641 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2642 String text = getText().toString(); 2643 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2644 String lastAddress = text.substring(originalTokenStart); 2645 int tokenStart = originalTokenStart; 2646 int prevTokenStart = 0; 2647 DrawableRecipientChip findChip = null; 2648 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2649 if (tokenStart != 0) { 2650 // There are things before this! 2651 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2652 prevTokenStart = tokenStart; 2653 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2654 findChip = findChip(tokenStart); 2655 if (tokenStart == originalTokenStart && findChip == null) { 2656 break; 2657 } 2658 } 2659 if (tokenStart != originalTokenStart) { 2660 if (findChip != null) { 2661 tokenStart = prevTokenStart; 2662 } 2663 int tokenEnd; 2664 DrawableRecipientChip createdChip; 2665 while (tokenStart < originalTokenStart) { 2666 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2667 tokenStart)); 2668 commitChip(tokenStart, tokenEnd, getText()); 2669 createdChip = findChip(tokenStart); 2670 if (createdChip == null) { 2671 break; 2672 } 2673 // +1 for the space at the end. 2674 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2675 created.add(createdChip); 2676 } 2677 } 2678 } 2679 // Take a look at the last token. If the token has been completed with a 2680 // commit character, create a chip. 2681 if (isCompletedToken(lastAddress)) { 2682 Editable editable = getText(); 2683 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2684 commitChip(tokenStart, editable.length(), editable); 2685 created.add(findChip(tokenStart)); 2686 } 2687 return created; 2688 } 2689 2690 // Visible for testing. 2691 /* package */int movePastTerminators(int tokenEnd) { 2692 if (tokenEnd >= length()) { 2693 return tokenEnd; 2694 } 2695 char atEnd = getText().toString().charAt(tokenEnd); 2696 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2697 tokenEnd++; 2698 } 2699 // This token had not only an end token character, but also a space 2700 // separating it from the next token. 2701 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2702 tokenEnd++; 2703 } 2704 return tokenEnd; 2705 } 2706 2707 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2708 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2709 try { 2710 if (mNoChips) { 2711 return null; 2712 } 2713 return constructChipSpan(entry, false); 2714 } catch (NullPointerException e) { 2715 Log.e(TAG, e.getMessage(), e); 2716 return null; 2717 } 2718 } 2719 2720 @Override 2721 protected void onPreExecute() { 2722 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2723 // replaced 2724 final List<DrawableRecipientChip> originalRecipients = 2725 new ArrayList<DrawableRecipientChip>(); 2726 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2727 for (int i = 0; i < existingChips.length; i++) { 2728 originalRecipients.add(existingChips[i]); 2729 } 2730 if (mRemovedSpans != null) { 2731 originalRecipients.addAll(mRemovedSpans); 2732 } 2733 2734 final List<DrawableRecipientChip> replacements = 2735 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2736 2737 for (final DrawableRecipientChip chip : originalRecipients) { 2738 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2739 && getSpannable().getSpanStart(chip) != -1) { 2740 replacements.add(createFreeChip(chip.getEntry())); 2741 } else { 2742 replacements.add(null); 2743 } 2744 } 2745 2746 processReplacements(originalRecipients, replacements); 2747 } 2748 2749 @Override 2750 protected Void doInBackground(Void... params) { 2751 if (mIndividualReplacements != null) { 2752 mIndividualReplacements.cancel(true); 2753 } 2754 // For each chip in the list, look up the matching contact. 2755 // If there is a match, replace that chip with the matching 2756 // chip. 2757 final ArrayList<DrawableRecipientChip> recipients = 2758 new ArrayList<DrawableRecipientChip>(); 2759 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2760 for (int i = 0; i < existingChips.length; i++) { 2761 recipients.add(existingChips[i]); 2762 } 2763 if (mRemovedSpans != null) { 2764 recipients.addAll(mRemovedSpans); 2765 } 2766 ArrayList<String> addresses = new ArrayList<String>(); 2767 DrawableRecipientChip chip; 2768 for (int i = 0; i < recipients.size(); i++) { 2769 chip = recipients.get(i); 2770 if (chip != null) { 2771 addresses.add(createAddressText(chip.getEntry())); 2772 } 2773 } 2774 final BaseRecipientAdapter adapter = getAdapter(); 2775 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2776 @Override 2777 public void matchesFound(Map<String, RecipientEntry> entries) { 2778 final ArrayList<DrawableRecipientChip> replacements = 2779 new ArrayList<DrawableRecipientChip>(); 2780 for (final DrawableRecipientChip temp : recipients) { 2781 RecipientEntry entry = null; 2782 if (temp != null && RecipientEntry.isCreatedRecipient( 2783 temp.getEntry().getContactId()) 2784 && getSpannable().getSpanStart(temp) != -1) { 2785 // Replace this. 2786 entry = createValidatedEntry( 2787 entries.get(tokenizeAddress(temp.getEntry() 2788 .getDestination()))); 2789 } 2790 if (entry != null) { 2791 replacements.add(createFreeChip(entry)); 2792 } else { 2793 replacements.add(null); 2794 } 2795 } 2796 processReplacements(recipients, replacements); 2797 } 2798 2799 @Override 2800 public void matchesNotFound(final Set<String> unfoundAddresses) { 2801 final List<DrawableRecipientChip> replacements = 2802 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2803 2804 for (final DrawableRecipientChip temp : recipients) { 2805 if (temp != null && RecipientEntry.isCreatedRecipient( 2806 temp.getEntry().getContactId()) 2807 && getSpannable().getSpanStart(temp) != -1) { 2808 if (unfoundAddresses.contains( 2809 temp.getEntry().getDestination())) { 2810 replacements.add(createFreeChip(temp.getEntry())); 2811 } else { 2812 replacements.add(null); 2813 } 2814 } else { 2815 replacements.add(null); 2816 } 2817 } 2818 2819 processReplacements(recipients, replacements); 2820 } 2821 }); 2822 return null; 2823 } 2824 2825 private void processReplacements(final List<DrawableRecipientChip> recipients, 2826 final List<DrawableRecipientChip> replacements) { 2827 if (replacements != null && replacements.size() > 0) { 2828 final Runnable runnable = new Runnable() { 2829 @Override 2830 public void run() { 2831 final Editable text = new SpannableStringBuilder(getText()); 2832 int i = 0; 2833 for (final DrawableRecipientChip chip : recipients) { 2834 final DrawableRecipientChip replacement = replacements.get(i); 2835 if (replacement != null) { 2836 final RecipientEntry oldEntry = chip.getEntry(); 2837 final RecipientEntry newEntry = replacement.getEntry(); 2838 final boolean isBetter = 2839 RecipientAlternatesAdapter.getBetterRecipient( 2840 oldEntry, newEntry) == newEntry; 2841 2842 if (isBetter) { 2843 // Find the location of the chip in the text currently shown. 2844 final int start = text.getSpanStart(chip); 2845 if (start != -1) { 2846 // Replacing the entirety of what the chip represented, 2847 // including the extra space dividing it from other chips. 2848 final int end = 2849 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2850 text.removeSpan(chip); 2851 // Make sure we always have just 1 space at the end to 2852 // separate this chip from the next chip. 2853 final SpannableString displayText = 2854 new SpannableString(createAddressText( 2855 replacement.getEntry()).trim() + " "); 2856 displayText.setSpan(replacement, 0, 2857 displayText.length() - 1, 2858 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2859 // Replace the old text we found with with the new display 2860 // text, which now may also contain the display name of the 2861 // recipient. 2862 text.replace(start, end, displayText); 2863 replacement.setOriginalText(displayText.toString()); 2864 replacements.set(i, null); 2865 2866 recipients.set(i, replacement); 2867 } 2868 } 2869 } 2870 i++; 2871 } 2872 setText(text); 2873 } 2874 }; 2875 2876 if (Looper.myLooper() == Looper.getMainLooper()) { 2877 runnable.run(); 2878 } else { 2879 mHandler.post(runnable); 2880 } 2881 } 2882 } 2883 } 2884 2885 private class IndividualReplacementTask 2886 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2887 @Override 2888 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2889 // For each chip in the list, look up the matching contact. 2890 // If there is a match, replace that chip with the matching 2891 // chip. 2892 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2893 ArrayList<String> addresses = new ArrayList<String>(); 2894 DrawableRecipientChip chip; 2895 for (int i = 0; i < originalRecipients.size(); i++) { 2896 chip = originalRecipients.get(i); 2897 if (chip != null) { 2898 addresses.add(createAddressText(chip.getEntry())); 2899 } 2900 } 2901 final BaseRecipientAdapter adapter = getAdapter(); 2902 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2903 2904 @Override 2905 public void matchesFound(Map<String, RecipientEntry> entries) { 2906 for (final DrawableRecipientChip temp : originalRecipients) { 2907 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2908 .getContactId()) 2909 && getSpannable().getSpanStart(temp) != -1) { 2910 // Replace this. 2911 final RecipientEntry entry = createValidatedEntry(entries 2912 .get(tokenizeAddress(temp.getEntry().getDestination()) 2913 .toLowerCase())); 2914 if (entry != null) { 2915 mHandler.post(new Runnable() { 2916 @Override 2917 public void run() { 2918 replaceChip(temp, entry); 2919 } 2920 }); 2921 } 2922 } 2923 } 2924 } 2925 2926 @Override 2927 public void matchesNotFound(final Set<String> unfoundAddresses) { 2928 // No action required 2929 } 2930 }); 2931 return null; 2932 } 2933 } 2934 2935 2936 /** 2937 * MoreImageSpan is a simple class created for tracking the existence of a 2938 * more chip across activity restarts/ 2939 */ 2940 private class MoreImageSpan extends ReplacementDrawableSpan { 2941 public MoreImageSpan(Drawable b) { 2942 super(b); 2943 setExtraMargin(mLineSpacingExtra); 2944 } 2945 } 2946 2947 @Override 2948 public boolean onDown(MotionEvent e) { 2949 return false; 2950 } 2951 2952 @Override 2953 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2954 // Do nothing. 2955 return false; 2956 } 2957 2958 @Override 2959 public void onLongPress(MotionEvent event) { 2960 if (mSelectedChip != null) { 2961 return; 2962 } 2963 float x = event.getX(); 2964 float y = event.getY(); 2965 final int offset = putOffsetInRange(x, y); 2966 DrawableRecipientChip currentChip = findChip(offset); 2967 if (currentChip != null) { 2968 if (mDragEnabled) { 2969 // Start drag-and-drop for the selected chip. 2970 startDrag(currentChip); 2971 } else { 2972 // Copy the selected chip email address. 2973 showCopyDialog(currentChip.getEntry().getDestination()); 2974 } 2975 } 2976 } 2977 2978 // The following methods are used to provide some functionality on older versions of Android 2979 // These methods were copied out of JB MR2's TextView 2980 ///////////////////////////////////////////////// 2981 private int supportGetOffsetForPosition(float x, float y) { 2982 if (getLayout() == null) return -1; 2983 final int line = supportGetLineAtCoordinate(y); 2984 final int offset = supportGetOffsetAtCoordinate(line, x); 2985 return offset; 2986 } 2987 2988 private float supportConvertToLocalHorizontalCoordinate(float x) { 2989 x -= getTotalPaddingLeft(); 2990 // Clamp the position to inside of the view. 2991 x = Math.max(0.0f, x); 2992 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2993 x += getScrollX(); 2994 return x; 2995 } 2996 2997 private int supportGetLineAtCoordinate(float y) { 2998 y -= getTotalPaddingLeft(); 2999 // Clamp the position to inside of the view. 3000 y = Math.max(0.0f, y); 3001 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 3002 y += getScrollY(); 3003 return getLayout().getLineForVertical((int) y); 3004 } 3005 3006 private int supportGetOffsetAtCoordinate(int line, float x) { 3007 x = supportConvertToLocalHorizontalCoordinate(x); 3008 return getLayout().getOffsetForHorizontal(line, x); 3009 } 3010 ///////////////////////////////////////////////// 3011 3012 /** 3013 * Enables drag-and-drop for chips. 3014 */ 3015 public void enableDrag() { 3016 mDragEnabled = true; 3017 } 3018 3019 /** 3020 * Starts drag-and-drop for the selected chip. 3021 */ 3022 private void startDrag(DrawableRecipientChip currentChip) { 3023 String address = currentChip.getEntry().getDestination(); 3024 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 3025 3026 // Start drag mode. 3027 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 3028 3029 // Remove the current chip, so drag-and-drop will result in a move. 3030 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3031 removeChip(currentChip); 3032 } 3033 3034 /** 3035 * Handles drag event. 3036 */ 3037 @Override 3038 public boolean onDragEvent(DragEvent event) { 3039 switch (event.getAction()) { 3040 case DragEvent.ACTION_DRAG_STARTED: 3041 // Only handle plain text drag and drop. 3042 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3043 case DragEvent.ACTION_DRAG_ENTERED: 3044 requestFocus(); 3045 return true; 3046 case DragEvent.ACTION_DROP: 3047 handlePasteClip(event.getClipData()); 3048 return true; 3049 } 3050 return false; 3051 } 3052 3053 /** 3054 * Drag shadow for a {@link DrawableRecipientChip}. 3055 */ 3056 private final class RecipientChipShadow extends DragShadowBuilder { 3057 private final DrawableRecipientChip mChip; 3058 3059 public RecipientChipShadow(DrawableRecipientChip chip) { 3060 mChip = chip; 3061 } 3062 3063 @Override 3064 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 3065 Rect rect = mChip.getBounds(); 3066 shadowSize.set(rect.width(), rect.height()); 3067 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3068 } 3069 3070 @Override 3071 public void onDrawShadow(Canvas canvas) { 3072 mChip.draw(canvas); 3073 } 3074 } 3075 3076 private void showCopyDialog(final String address) { 3077 if (!mAttachedToWindow) { 3078 return; 3079 } 3080 mCopyAddress = address; 3081 mCopyDialog.setTitle(address); 3082 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3083 mCopyDialog.setCancelable(true); 3084 mCopyDialog.setCanceledOnTouchOutside(true); 3085 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3086 button.setOnClickListener(this); 3087 int btnTitleId; 3088 if (isPhoneQuery()) { 3089 btnTitleId = R.string.copy_number; 3090 } else { 3091 btnTitleId = R.string.copy_email; 3092 } 3093 String buttonTitle = getContext().getResources().getString(btnTitleId); 3094 button.setText(buttonTitle); 3095 mCopyDialog.setOnDismissListener(this); 3096 mCopyDialog.show(); 3097 } 3098 3099 @Override 3100 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3101 // Do nothing. 3102 return false; 3103 } 3104 3105 @Override 3106 public void onShowPress(MotionEvent e) { 3107 // Do nothing. 3108 } 3109 3110 @Override 3111 public boolean onSingleTapUp(MotionEvent e) { 3112 // Do nothing. 3113 return false; 3114 } 3115 3116 @Override 3117 public void onDismiss(DialogInterface dialog) { 3118 mCopyAddress = null; 3119 } 3120 3121 @Override 3122 public void onClick(View v) { 3123 // Copy this to the clipboard. 3124 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3125 Context.CLIPBOARD_SERVICE); 3126 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3127 mCopyDialog.dismiss(); 3128 } 3129 3130 protected boolean isPhoneQuery() { 3131 return getAdapter() != null 3132 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3133 } 3134 3135 @Override 3136 public BaseRecipientAdapter getAdapter() { 3137 return (BaseRecipientAdapter) super.getAdapter(); 3138 } 3139 3140 /** 3141 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3142 * unfinished text at the end. 3143 */ 3144 public void appendRecipientEntry(final RecipientEntry entry) { 3145 clearComposingText(); 3146 3147 final Editable editable = getText(); 3148 int chipInsertionPoint = 0; 3149 3150 // Find the end of last chip and see if there's any unchipified text. 3151 final DrawableRecipientChip[] recips = getSortedRecipients(); 3152 if (recips != null && recips.length > 0) { 3153 final DrawableRecipientChip last = recips[recips.length - 1]; 3154 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3155 // the insertion point will be kept untouched. 3156 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3157 } 3158 3159 final CharSequence chip = createChip(entry, false); 3160 if (chip != null) { 3161 editable.insert(chipInsertionPoint, chip); 3162 } 3163 } 3164 3165 /** 3166 * Remove all chips matching the given RecipientEntry. 3167 */ 3168 public void removeRecipientEntry(final RecipientEntry entry) { 3169 final DrawableRecipientChip[] recips = getText() 3170 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3171 3172 for (final DrawableRecipientChip recipient : recips) { 3173 final RecipientEntry existingEntry = recipient.getEntry(); 3174 if (existingEntry != null && existingEntry.isValid() && 3175 existingEntry.isSamePerson(entry)) { 3176 removeChip(recipient); 3177 } 3178 } 3179 } 3180 3181 public void setAlternatePopupAnchor(View v) { 3182 mAlternatePopupAnchor = v; 3183 } 3184 3185 private static class ChipBitmapContainer { 3186 Bitmap bitmap; 3187 // information used for positioning the loaded icon 3188 boolean loadIcon = true; 3189 float left; 3190 float top; 3191 float right; 3192 float bottom; 3193 } 3194} 3195