RecipientEditTextView.java revision e937545b822a9621bbe218f66c9aea7a2c755fb5
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.annotation.TargetApi; 21import android.app.Activity; 22import android.app.DialogFragment; 23import android.content.ClipData; 24import android.content.ClipDescription; 25import android.content.ClipboardManager; 26import android.content.Context; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.BitmapShader; 32import android.graphics.Canvas; 33import android.graphics.Color; 34import android.graphics.Matrix; 35import android.graphics.Paint; 36import android.graphics.Paint.Style; 37import android.graphics.Point; 38import android.graphics.Rect; 39import android.graphics.RectF; 40import android.graphics.Shader.TileMode; 41import android.graphics.drawable.BitmapDrawable; 42import android.graphics.drawable.Drawable; 43import android.graphics.drawable.StateListDrawable; 44import android.os.AsyncTask; 45import android.os.Build; 46import android.os.Handler; 47import android.os.Looper; 48import android.os.Message; 49import android.os.Parcelable; 50import android.support.annotation.NonNull; 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.view.ActionMode; 67import android.view.ActionMode.Callback; 68import android.view.DragEvent; 69import android.view.GestureDetector; 70import android.view.KeyEvent; 71import android.view.LayoutInflater; 72import android.view.Menu; 73import android.view.MenuItem; 74import android.view.MotionEvent; 75import android.view.View; 76import android.view.ViewParent; 77import android.view.accessibility.AccessibilityEvent; 78import android.view.accessibility.AccessibilityManager; 79import android.view.inputmethod.EditorInfo; 80import android.view.inputmethod.InputConnection; 81import android.widget.AdapterView; 82import android.widget.AdapterView.OnItemClickListener; 83import android.widget.Filterable; 84import android.widget.ListAdapter; 85import android.widget.ListPopupWindow; 86import android.widget.ListView; 87import android.widget.MultiAutoCompleteTextView; 88import android.widget.PopupWindow; 89import android.widget.ScrollView; 90import android.widget.TextView; 91 92import com.android.ex.chips.DropdownChipLayouter.PermissionRequestDismissedListener; 93import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 94import com.android.ex.chips.recipientchip.DrawableRecipientChip; 95import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 96import com.android.ex.chips.recipientchip.ReplacementDrawableSpan; 97import com.android.ex.chips.recipientchip.VisibleRecipientChip; 98 99import java.util.ArrayList; 100import java.util.Arrays; 101import java.util.Collections; 102import java.util.Comparator; 103import java.util.List; 104import java.util.Map; 105import java.util.Set; 106import java.util.regex.Matcher; 107import java.util.regex.Pattern; 108 109/** 110 * RecipientEditTextView is an auto complete text view for use with applications 111 * that use the new Chips UI for addressing a message to recipients. 112 */ 113public class RecipientEditTextView extends MultiAutoCompleteTextView implements 114 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 115 GestureDetector.OnGestureListener, TextView.OnEditorActionListener, 116 DropdownChipLayouter.ChipDeleteListener, PermissionRequestDismissedListener { 117 private static final String TAG = "RecipientEditTextView"; 118 119 private static final char COMMIT_CHAR_COMMA = ','; 120 private static final char COMMIT_CHAR_SEMICOLON = ';'; 121 private static final char COMMIT_CHAR_SPACE = ' '; 122 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 123 + String.valueOf(COMMIT_CHAR_SPACE); 124 125 private static final int DISMISS = "dismiss".hashCode(); 126 private static final long DISMISS_DELAY = 300; 127 128 // TODO: get correct number/ algorithm from with UX. 129 // Visible for testing. 130 /*package*/ static final int CHIP_LIMIT = 2; 131 132 private static final int MAX_CHIPS_PARSED = 50; 133 134 private int mUnselectedChipTextColor; 135 private int mUnselectedChipBackgroundColor; 136 137 // Work variables to avoid re-allocation on every typed character. 138 private final Rect mRect = new Rect(); 139 private final int[] mCoords = new int[2]; 140 141 // Resources for displaying chips. 142 private Drawable mChipBackground = null; 143 private Drawable mChipDelete = null; 144 private Drawable mInvalidChipBackground; 145 146 // Possible attr overrides 147 private float mChipHeight; 148 private float mChipFontSize; 149 private float mLineSpacingExtra; 150 private int mChipTextStartPadding; 151 private int mChipTextEndPadding; 152 private final int mTextHeight; 153 private boolean mDisableDelete; 154 private int mMaxLines; 155 156 /** 157 * Enumerator for avatar position. See attr.xml for more details. 158 * 0 for end, 1 for start. 159 */ 160 private int mAvatarPosition; 161 private static final int AVATAR_POSITION_END = 0; 162 private static final int AVATAR_POSITION_START = 1; 163 164 private Paint mWorkPaint = new Paint(); 165 166 private Tokenizer mTokenizer; 167 private Validator mValidator; 168 private Handler mHandler; 169 private TextWatcher mTextWatcher; 170 protected DropdownChipLayouter mDropdownChipLayouter; 171 172 private View mDropdownAnchor = this; 173 private ListPopupWindow mAlternatesPopup; 174 private ListPopupWindow mAddressPopup; 175 private View mAlternatePopupAnchor; 176 private OnItemClickListener mAlternatesListener; 177 178 private DrawableRecipientChip mSelectedChip; 179 private Bitmap mDefaultContactPhoto; 180 private ReplacementDrawableSpan mMoreChip; 181 private TextView mMoreItem; 182 183 private int mCurrentSuggestionCount; 184 185 // VisibleForTesting 186 final ArrayList<String> mPendingChips = new ArrayList<String>(); 187 188 private int mPendingChipsCount = 0; 189 private int mCheckedItem; 190 private boolean mNoChips = false; 191 private boolean mShouldShrink = true; 192 private boolean mRequiresShrinkWhenNotGone = false; 193 194 // VisibleForTesting 195 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 196 197 private ArrayList<DrawableRecipientChip> mRemovedSpans; 198 199 // Chip copy fields. 200 private GestureDetector mGestureDetector; 201 202 // Obtain the enclosing scroll view, if it exists, so that the view can be 203 // scrolled to show the last line of chips content. 204 private ScrollView mScrollView; 205 private boolean mTriedGettingScrollView; 206 private boolean mDragEnabled = false; 207 208 private boolean mAttachedToWindow; 209 210 private final Runnable mAddTextWatcher = new Runnable() { 211 @Override 212 public void run() { 213 if (mTextWatcher == null) { 214 mTextWatcher = new RecipientTextWatcher(); 215 addTextChangedListener(mTextWatcher); 216 } 217 } 218 }; 219 220 private IndividualReplacementTask mIndividualReplacements; 221 222 private Runnable mHandlePendingChips = new Runnable() { 223 224 @Override 225 public void run() { 226 handlePendingChips(); 227 } 228 229 }; 230 231 private Runnable mDelayedShrink = new Runnable() { 232 233 @Override 234 public void run() { 235 shrink(); 236 } 237 238 }; 239 240 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 241 242 public interface RecipientEntryItemClickedListener { 243 /** 244 * Callback that occurs whenever an auto-complete suggestion is clicked. 245 * @param charactersTyped the number of characters typed by the user to provide the 246 * auto-complete suggestions. 247 * @param position the position in the dropdown list that the user clicked 248 */ 249 void onRecipientEntryItemClicked(int charactersTyped, int position); 250 } 251 252 private PermissionsRequestItemClickedListener mPermissionsRequestItemClickedListener; 253 254 /** 255 * Listener for handling clicks on the {@link RecipientEntry} that have 256 * {@link RecipientEntry#ENTRY_TYPE_PERMISSION_REQUEST} type. 257 */ 258 public interface PermissionsRequestItemClickedListener { 259 260 /** 261 * Callback that occurs when user clicks the item that asks user to grant permissions to 262 * the app. 263 * 264 * @param view View that asks for permission. 265 */ 266 void onPermissionsRequestItemClicked(RecipientEditTextView view, String[] permissions); 267 268 /** 269 * Callback that occurs when user dismisses the item that asks user to grant permissions to 270 * the app. 271 */ 272 void onPermissionRequestDismissed(); 273 } 274 275 public RecipientEditTextView(Context context, AttributeSet attrs) { 276 super(context, attrs); 277 setChipDimensions(context, attrs); 278 mTextHeight = calculateTextHeight(); 279 mAlternatesPopup = new ListPopupWindow(context); 280 setupPopupWindow(mAlternatesPopup); 281 mAddressPopup = new ListPopupWindow(context); 282 setupPopupWindow(mAddressPopup); 283 mAlternatesListener = new OnItemClickListener() { 284 @Override 285 public void onItemClick(AdapterView<?> adapterView,View view, int position, 286 long rowId) { 287 mAlternatesPopup.setOnItemClickListener(null); 288 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 289 .getRecipientEntry(position)); 290 Message delayed = Message.obtain(mHandler, DISMISS); 291 delayed.obj = mAlternatesPopup; 292 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 293 clearComposingText(); 294 } 295 }; 296 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 297 setOnItemClickListener(this); 298 setCustomSelectionActionModeCallback(this); 299 mHandler = new Handler() { 300 @Override 301 public void handleMessage(Message msg) { 302 if (msg.what == DISMISS) { 303 ((ListPopupWindow) msg.obj).dismiss(); 304 return; 305 } 306 super.handleMessage(msg); 307 } 308 }; 309 mTextWatcher = new RecipientTextWatcher(); 310 addTextChangedListener(mTextWatcher); 311 mGestureDetector = new GestureDetector(context, this); 312 setOnEditorActionListener(this); 313 314 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 315 } 316 317 private void setupPopupWindow(ListPopupWindow popup) { 318 popup.setOnDismissListener(new PopupWindow.OnDismissListener() { 319 @Override 320 public void onDismiss() { 321 clearSelectedChip(); 322 } 323 }); 324 } 325 326 private int calculateTextHeight() { 327 final TextPaint paint = getPaint(); 328 329 mRect.setEmpty(); 330 // First measure the bounds of a sample text. 331 final String textHeightSample = "a"; 332 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), mRect); 333 334 mRect.left = 0; 335 mRect.right = 0; 336 337 return mRect.height(); 338 } 339 340 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 341 mDropdownChipLayouter = dropdownChipLayouter; 342 mDropdownChipLayouter.setDeleteListener(this); 343 mDropdownChipLayouter.setPermissionRequestDismissedListener(this); 344 } 345 346 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 347 mRecipientEntryItemClickedListener = listener; 348 } 349 350 public void setPermissionsRequestItemClickedListener( 351 PermissionsRequestItemClickedListener listener) { 352 mPermissionsRequestItemClickedListener = listener; 353 } 354 355 @Override 356 protected void onDetachedFromWindow() { 357 super.onDetachedFromWindow(); 358 mAttachedToWindow = false; 359 } 360 361 @Override 362 protected void onAttachedToWindow() { 363 super.onAttachedToWindow(); 364 mAttachedToWindow = true; 365 366 final int anchorId = getDropDownAnchor(); 367 if (anchorId != View.NO_ID) { 368 mDropdownAnchor = getRootView().findViewById(anchorId); 369 } 370 } 371 372 @Override 373 public void setDropDownAnchor(int anchorId) { 374 super.setDropDownAnchor(anchorId); 375 if (anchorId != View.NO_ID) { 376 mDropdownAnchor = getRootView().findViewById(anchorId); 377 } 378 } 379 380 @Override 381 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 382 if (action == EditorInfo.IME_ACTION_DONE) { 383 if (commitDefault()) { 384 return true; 385 } 386 if (mSelectedChip != null) { 387 clearSelectedChip(); 388 return true; 389 } else if (hasFocus()) { 390 if (focusNext()) { 391 return true; 392 } 393 } 394 } 395 return false; 396 } 397 398 @Override 399 public InputConnection onCreateInputConnection(@NonNull EditorInfo outAttrs) { 400 InputConnection connection = super.onCreateInputConnection(outAttrs); 401 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 402 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 403 // clear the existing action 404 outAttrs.imeOptions ^= imeActions; 405 // set the DONE action 406 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 407 } 408 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 409 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 410 } 411 412 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 413 414 // Custom action labels are discouraged in L; a checkmark icon is shown in place of the 415 // custom text in this case. 416 outAttrs.actionLabel = Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? null : 417 getContext().getString(R.string.action_label); 418 return connection; 419 } 420 421 /*package*/ DrawableRecipientChip getLastChip() { 422 DrawableRecipientChip last = null; 423 DrawableRecipientChip[] chips = getSortedRecipients(); 424 if (chips != null && chips.length > 0) { 425 last = chips[chips.length - 1]; 426 } 427 return last; 428 } 429 430 /** 431 * @return The list of {@link RecipientEntry}s that have been selected by the user. 432 */ 433 public List<RecipientEntry> getSelectedRecipients() { 434 DrawableRecipientChip[] chips = 435 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 436 List<RecipientEntry> results = new ArrayList<RecipientEntry>(); 437 if (chips == null) { 438 return results; 439 } 440 441 for (DrawableRecipientChip c : chips) { 442 results.add(c.getEntry()); 443 } 444 445 return results; 446 } 447 448 @Override 449 public void onSelectionChanged(int start, int end) { 450 // When selection changes, see if it is inside the chips area. 451 // If so, move the cursor back after the chips again. 452 // Only exception is when we change the selection due to a selected chip. 453 DrawableRecipientChip last = getLastChip(); 454 if (mSelectedChip == null && last != null && start < getSpannable().getSpanEnd(last)) { 455 // Grab the last chip and set the cursor to after it. 456 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 457 } 458 super.onSelectionChanged(start, end); 459 } 460 461 @Override 462 public void onRestoreInstanceState(Parcelable state) { 463 if (!TextUtils.isEmpty(getText())) { 464 super.onRestoreInstanceState(null); 465 } else { 466 super.onRestoreInstanceState(state); 467 } 468 } 469 470 @Override 471 public Parcelable onSaveInstanceState() { 472 // If the user changes orientation while they are editing, just roll back the selection. 473 clearSelectedChip(); 474 return super.onSaveInstanceState(); 475 } 476 477 /** 478 * Convenience method: Append the specified text slice to the TextView's 479 * display buffer, upgrading it to BufferType.EDITABLE if it was 480 * not already editable. Commas are excluded as they are added automatically 481 * by the view. 482 */ 483 @Override 484 public void append(CharSequence text, int start, int end) { 485 // We don't care about watching text changes while appending. 486 if (mTextWatcher != null) { 487 removeTextChangedListener(mTextWatcher); 488 } 489 super.append(text, start, end); 490 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 491 String displayString = text.toString(); 492 493 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 494 // We have no separator, so we should add it 495 super.append(SEPARATOR, 0, SEPARATOR.length()); 496 displayString += SEPARATOR; 497 } 498 499 if (!TextUtils.isEmpty(displayString) 500 && TextUtils.getTrimmedLength(displayString) > 0) { 501 mPendingChipsCount++; 502 mPendingChips.add(displayString); 503 } 504 } 505 // Put a message on the queue to make sure we ALWAYS handle pending 506 // chips. 507 if (mPendingChipsCount > 0) { 508 postHandlePendingChips(); 509 } 510 mHandler.post(mAddTextWatcher); 511 } 512 513 @Override 514 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 515 super.onFocusChanged(hasFocus, direction, previous); 516 if (!hasFocus) { 517 shrink(); 518 } else { 519 expand(); 520 } 521 } 522 523 @Override 524 public <T extends ListAdapter & Filterable> void setAdapter(@NonNull T adapter) { 525 super.setAdapter(adapter); 526 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 527 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 528 @Override 529 public void onChanged(List<RecipientEntry> entries) { 530 int suggestionCount = entries == null ? 0 : entries.size(); 531 532 // Scroll the chips field to the top of the screen so 533 // that the user can see as many results as possible. 534 if (entries != null && entries.size() > 0) { 535 scrollBottomIntoView(); 536 // Here the current suggestion count is still the old one since we update 537 // the count at the bottom of this function. 538 if (mCurrentSuggestionCount == 0) { 539 // Announce the new number of possible choices for accessibility. 540 announceForAccessibilityCompat( 541 getSuggestionDropdownOpenedVerbalization(suggestionCount)); 542 } 543 } 544 545 // Is the dropdown closing? 546 if ((entries == null || entries.size() == 0) 547 // Here the current suggestion count is still the old one since we update 548 // the count at the bottom of this function. 549 && mCurrentSuggestionCount != 0) { 550 announceForAccessibilityCompat(getResources().getString( 551 R.string.accessbility_suggestion_dropdown_closed)); 552 } 553 554 if ((entries != null) 555 && (entries.size() == 1) 556 && (entries.get(0).getEntryType() == 557 RecipientEntry.ENTRY_TYPE_PERMISSION_REQUEST)) { 558 // Do nothing; showing a single permissions entry. Resizing not required. 559 } else { 560 // Set the dropdown height to be the remaining height from the anchor to the 561 // bottom. 562 mDropdownAnchor.getLocationInWindow(mCoords); 563 getWindowVisibleDisplayFrame(mRect); 564 setDropDownHeight(mRect.bottom - mCoords[1] - mDropdownAnchor.getHeight() - 565 getDropDownVerticalOffset()); 566 } 567 568 mCurrentSuggestionCount = suggestionCount; 569 } 570 }); 571 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 572 } 573 574 /** 575 * Return the accessibility verbalization when the suggestion dropdown is opened. 576 */ 577 public String getSuggestionDropdownOpenedVerbalization(int suggestionCount) { 578 return getResources().getString(R.string.accessbility_suggestion_dropdown_opened); 579 } 580 581 @TargetApi(Build.VERSION_CODES.JELLY_BEAN) 582 private void announceForAccessibilityCompat(String text) { 583 final AccessibilityManager accessibilityManager = 584 (AccessibilityManager) getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 585 final boolean isAccessibilityOn = accessibilityManager.isEnabled(); 586 587 if (isAccessibilityOn && Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { 588 final ViewParent parent = getParent(); 589 if (parent != null) { 590 AccessibilityEvent event = AccessibilityEvent.obtain( 591 AccessibilityEvent.TYPE_ANNOUNCEMENT); 592 onInitializeAccessibilityEvent(event); 593 event.getText().add(text); 594 event.setContentDescription(null); 595 parent.requestSendAccessibilityEvent(this, event); 596 } 597 } 598 } 599 600 protected void scrollBottomIntoView() { 601 if (mScrollView != null && mShouldShrink) { 602 getLocationInWindow(mCoords); 603 // Desired position shows at least 1 line of chips below the action 604 // bar. We add excess padding to make sure this is always below other 605 // content. 606 final int height = getHeight(); 607 final int currentPos = mCoords[1] + height; 608 mScrollView.getLocationInWindow(mCoords); 609 final int desiredPos = mCoords[1] + height / getLineCount(); 610 if (currentPos > desiredPos) { 611 mScrollView.scrollBy(0, currentPos - desiredPos); 612 } 613 } 614 } 615 616 protected ScrollView getScrollView() { 617 return mScrollView; 618 } 619 620 @Override 621 public void performValidation() { 622 // Do nothing. Chips handles its own validation. 623 } 624 625 private void shrink() { 626 if (mTokenizer == null) { 627 return; 628 } 629 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 630 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 631 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 632 clearSelectedChip(); 633 } else { 634 if (getWidth() <= 0) { 635 mHandler.removeCallbacks(mDelayedShrink); 636 637 if (getVisibility() == GONE) { 638 // We aren't going to have a width any time soon, so defer 639 // this until we're not GONE. 640 mRequiresShrinkWhenNotGone = true; 641 } else { 642 // We don't have the width yet which means the view hasn't been drawn yet 643 // and there is no reason to attempt to commit chips yet. 644 // This focus lost must be the result of an orientation change 645 // or an initial rendering. 646 // Re-post the shrink for later. 647 mHandler.post(mDelayedShrink); 648 } 649 return; 650 } 651 // Reset any pending chips as they would have been handled 652 // when the field lost focus. 653 if (mPendingChipsCount > 0) { 654 postHandlePendingChips(); 655 } else { 656 Editable editable = getText(); 657 int end = getSelectionEnd(); 658 int start = mTokenizer.findTokenStart(editable, end); 659 DrawableRecipientChip[] chips = 660 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 661 if ((chips == null || chips.length == 0)) { 662 Editable text = getText(); 663 int whatEnd = mTokenizer.findTokenEnd(text, start); 664 // This token was already tokenized, so skip past the ending token. 665 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 666 whatEnd = movePastTerminators(whatEnd); 667 } 668 // In the middle of chip; treat this as an edit 669 // and commit the whole token. 670 int selEnd = getSelectionEnd(); 671 if (whatEnd != selEnd) { 672 handleEdit(start, whatEnd); 673 } else { 674 commitChip(start, end, editable); 675 } 676 } 677 } 678 mHandler.post(mAddTextWatcher); 679 } 680 createMoreChip(); 681 } 682 683 private void expand() { 684 if (mShouldShrink) { 685 setMaxLines(Integer.MAX_VALUE); 686 } 687 removeMoreChip(); 688 setCursorVisible(true); 689 Editable text = getText(); 690 setSelection(text != null && text.length() > 0 ? text.length() : 0); 691 // If there are any temporary chips, try replacing them now that the user 692 // has expanded the field. 693 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 694 new RecipientReplacementTask().execute(); 695 mTemporaryRecipients = null; 696 } 697 } 698 699 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 700 paint.setTextSize(mChipFontSize); 701 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 702 Log.d(TAG, "Max width is negative: " + maxWidth); 703 } 704 return TextUtils.ellipsize(text, paint, maxWidth, 705 TextUtils.TruncateAt.END); 706 } 707 708 /** 709 * Creates a bitmap of the given contact on a selected chip. 710 * 711 * @param contact The recipient entry to pull data from. 712 * @param paint The paint to use to draw the bitmap. 713 */ 714 private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint) { 715 paint.setColor(getDefaultChipTextColor(contact)); 716 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 717 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 718 719 if (bitmapContainer.loadIcon) { 720 loadAvatarIcon(contact, bitmapContainer); 721 } 722 return bitmapContainer.bitmap; 723 } 724 725 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 726 Drawable overrideBackgroundDrawable, int backgroundColor) { 727 final ChipBitmapContainer result = new ChipBitmapContainer(); 728 729 Drawable indicatorIcon = null; 730 int indicatorPadding = 0; 731 if (contact.getIndicatorIconId() != 0) { 732 indicatorIcon = getContext().getDrawable(contact.getIndicatorIconId()); 733 indicatorIcon.setBounds(0, 0, 734 indicatorIcon.getIntrinsicWidth(), indicatorIcon.getIntrinsicHeight()); 735 indicatorPadding = indicatorIcon.getBounds().width() + mChipTextEndPadding; 736 } 737 738 Rect backgroundPadding = new Rect(); 739 if (overrideBackgroundDrawable != null) { 740 overrideBackgroundDrawable.getPadding(backgroundPadding); 741 } 742 743 // Ellipsize the text so that it takes AT MOST the entire width of the 744 // autocomplete text entry area. Make sure to leave space for padding 745 // on the sides. 746 int height = (int) mChipHeight; 747 // Since the icon is a square, it's width is equal to the maximum height it can be inside 748 // the chip. Don't include iconWidth for invalid contacts. 749 int iconWidth = contact.isValid() ? 750 height - backgroundPadding.top - backgroundPadding.bottom : 0; 751 float[] widths = new float[1]; 752 paint.getTextWidths(" ", widths); 753 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 754 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 755 - backgroundPadding.right - indicatorPadding); 756 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 757 758 // Chip start padding is the same as the end padding if there is no contact image. 759 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 760 // Make sure there is a minimum chip width so the user can ALWAYS 761 // tap a chip without difficulty. 762 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 763 + iconWidth + backgroundPadding.left + backgroundPadding.right + indicatorPadding); 764 765 // Create the background of the chip. 766 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 767 final Canvas canvas = new Canvas(result.bitmap); 768 769 // Check if the background drawable is set via attr 770 if (overrideBackgroundDrawable != null) { 771 overrideBackgroundDrawable.setBounds(0, 0, width, height); 772 overrideBackgroundDrawable.draw(canvas); 773 } else { 774 // Draw the default chip background 775 mWorkPaint.reset(); 776 mWorkPaint.setColor(backgroundColor); 777 final float radius = height / 2; 778 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 779 mWorkPaint); 780 } 781 782 // Draw the text vertically aligned 783 int textX = shouldPositionAvatarOnRight() ? 784 mChipTextEndPadding + backgroundPadding.left + indicatorPadding : 785 width - backgroundPadding.right - mChipTextEndPadding - textWidth - 786 indicatorPadding; 787 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 788 textX, getTextYOffset(height), paint); 789 790 if (indicatorIcon != null) { 791 int indicatorX = shouldPositionAvatarOnRight() 792 ? backgroundPadding.left + mChipTextEndPadding 793 : width - backgroundPadding.right - indicatorIcon.getBounds().width() 794 - mChipTextEndPadding; 795 int indicatorY = height / 2 - indicatorIcon.getBounds().height() / 2; 796 indicatorIcon.getBounds().offsetTo(indicatorX, indicatorY); 797 indicatorIcon.draw(canvas); 798 } 799 800 // Set the variables that are needed to draw the icon bitmap once it's loaded 801 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 802 backgroundPadding.left; 803 result.left = iconX; 804 result.top = backgroundPadding.top; 805 result.right = iconX + iconWidth; 806 result.bottom = height - backgroundPadding.bottom; 807 808 return result; 809 } 810 811 /** 812 * Helper function that draws the loaded icon bitmap into the chips bitmap 813 */ 814 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 815 final Canvas canvas = new Canvas(bitMapResult.bitmap); 816 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 817 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 818 bitMapResult.bottom); 819 drawIconOnCanvas(icon, canvas, src, dst); 820 } 821 822 /** 823 * Returns true if the avatar should be positioned at the right edge of the chip. 824 * Takes into account both the set avatar position (start or end) as well as whether 825 * the layout direction is LTR or RTL. 826 */ 827 private boolean shouldPositionAvatarOnRight() { 828 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 && 829 getLayoutDirection() == LAYOUT_DIRECTION_RTL; 830 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 831 // If in Rtl mode, the position should be flipped. 832 return isRtl ? !assignedPosition : assignedPosition; 833 } 834 835 /** 836 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 837 * draw an icon for this recipient. 838 */ 839 private void loadAvatarIcon(final RecipientEntry contact, 840 final ChipBitmapContainer bitmapContainer) { 841 // Don't draw photos for recipients that have been typed in OR generated on the fly. 842 long contactId = contact.getContactId(); 843 boolean drawPhotos = isPhoneQuery() ? 844 contactId != RecipientEntry.INVALID_CONTACT 845 : (contactId != RecipientEntry.INVALID_CONTACT 846 && contactId != RecipientEntry.GENERATED_CONTACT); 847 848 if (drawPhotos) { 849 final byte[] origPhotoBytes = contact.getPhotoBytes(); 850 // There may not be a photo yet if anything but the first contact address 851 // was selected. 852 if (origPhotoBytes == null) { 853 // TODO: cache this in the recipient entry? 854 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 855 @Override 856 public void onPhotoBytesPopulated() { 857 // Call through to the async version which will ensure 858 // proper threading. 859 onPhotoBytesAsynchronouslyPopulated(); 860 } 861 862 @Override 863 public void onPhotoBytesAsynchronouslyPopulated() { 864 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 865 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 866 loadedPhotoBytes.length); 867 tryDrawAndInvalidate(icon); 868 } 869 870 @Override 871 public void onPhotoBytesAsyncLoadFailed() { 872 // TODO: can the scaled down default photo be cached? 873 tryDrawAndInvalidate(mDefaultContactPhoto); 874 } 875 876 private void tryDrawAndInvalidate(Bitmap icon) { 877 drawIcon(bitmapContainer, icon); 878 // The caller might originated from a background task. However, if the 879 // background task has already completed, the view might be already drawn 880 // on the UI but the callback would happen on the background thread. 881 // So if we are on a background thread, post an invalidate call to the UI. 882 if (Looper.myLooper() == Looper.getMainLooper()) { 883 // The view might not redraw itself since it's loaded asynchronously 884 invalidate(); 885 } else { 886 post(new Runnable() { 887 @Override 888 public void run() { 889 invalidate(); 890 } 891 }); 892 } 893 } 894 }); 895 } else { 896 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 897 origPhotoBytes.length); 898 drawIcon(bitmapContainer, icon); 899 } 900 } 901 } 902 903 /** 904 * Get the background drawable for a RecipientChip. 905 */ 906 // Visible for testing. 907 /* package */Drawable getChipBackground(RecipientEntry contact) { 908 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 909 } 910 911 private int getDefaultChipTextColor(RecipientEntry contact) { 912 return contact.isValid() ? mUnselectedChipTextColor : 913 getResources().getColor(android.R.color.black); 914 } 915 916 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 917 return contact.isValid() ? mUnselectedChipBackgroundColor : 918 getResources().getColor(R.color.chip_background_invalid); 919 } 920 921 /** 922 * Given a height, returns a Y offset that will draw the text in the middle of the height. 923 */ 924 protected float getTextYOffset(int height) { 925 return height - ((height - mTextHeight) / 2); 926 } 927 928 /** 929 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 930 * rectangle of the canvas. 931 */ 932 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 933 final Matrix matrix = new Matrix(); 934 935 // Draw bitmap through shader first. 936 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 937 matrix.reset(); 938 939 // Fit bitmap to bounds. 940 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 941 942 shader.setLocalMatrix(matrix); 943 mWorkPaint.reset(); 944 mWorkPaint.setShader(shader); 945 mWorkPaint.setAntiAlias(true); 946 mWorkPaint.setFilterBitmap(true); 947 mWorkPaint.setDither(true); 948 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 949 950 // Then draw the border. 951 final float borderWidth = 1f; 952 mWorkPaint.reset(); 953 mWorkPaint.setColor(Color.TRANSPARENT); 954 mWorkPaint.setStyle(Style.STROKE); 955 mWorkPaint.setStrokeWidth(borderWidth); 956 mWorkPaint.setAntiAlias(true); 957 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, 958 mWorkPaint); 959 960 mWorkPaint.reset(); 961 } 962 963 private DrawableRecipientChip constructChipSpan(RecipientEntry contact) { 964 TextPaint paint = getPaint(); 965 float defaultSize = paint.getTextSize(); 966 int defaultColor = paint.getColor(); 967 968 Bitmap tmpBitmap = createChipBitmap(contact, paint); 969 970 // Pass the full text, un-ellipsized, to the chip. 971 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 972 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 973 VisibleRecipientChip recipientChip = 974 new VisibleRecipientChip(result, contact); 975 recipientChip.setExtraMargin(mLineSpacingExtra); 976 // Return text to the original size. 977 paint.setTextSize(defaultSize); 978 paint.setColor(defaultColor); 979 return recipientChip; 980 } 981 982 /** 983 * Calculate the offset from bottom of the EditText to top of the provided line. 984 */ 985 private int calculateOffsetFromBottomToTop(int line) { 986 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 987 .abs(getLineCount() - line)) + getPaddingBottom()); 988 } 989 990 /** 991 * Get the max amount of space a chip can take up. The formula takes into 992 * account the width of the EditTextView, any view padding, and padding 993 * that will be added to the chip. 994 */ 995 private float calculateAvailableWidth() { 996 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 997 - mChipTextEndPadding; 998 } 999 1000 1001 private void setChipDimensions(Context context, AttributeSet attrs) { 1002 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 1003 0); 1004 Resources r = getContext().getResources(); 1005 1006 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 1007 mInvalidChipBackground = a 1008 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 1009 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 1010 if (mChipDelete == null) { 1011 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 1012 } 1013 mChipTextStartPadding = mChipTextEndPadding 1014 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 1015 if (mChipTextStartPadding == -1) { 1016 mChipTextStartPadding = mChipTextEndPadding = 1017 (int) r.getDimension(R.dimen.chip_padding); 1018 } 1019 // xml-overrides for each individual padding 1020 // TODO: add these to attr? 1021 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 1022 if (overridePadding >= 0) { 1023 mChipTextStartPadding = overridePadding; 1024 } 1025 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 1026 if (overridePadding >= 0) { 1027 mChipTextEndPadding = overridePadding; 1028 } 1029 1030 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 1031 1032 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 1033 1034 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 1035 if (mChipHeight == -1) { 1036 mChipHeight = r.getDimension(R.dimen.chip_height); 1037 } 1038 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 1039 if (mChipFontSize == -1) { 1040 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 1041 } 1042 mAvatarPosition = 1043 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 1044 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 1045 1046 mMaxLines = r.getInteger(R.integer.chips_max_lines); 1047 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 1048 1049 mUnselectedChipTextColor = a.getColor( 1050 R.styleable.RecipientEditTextView_unselectedChipTextColor, 1051 r.getColor(android.R.color.black)); 1052 1053 mUnselectedChipBackgroundColor = a.getColor( 1054 R.styleable.RecipientEditTextView_unselectedChipBackgroundColor, 1055 r.getColor(R.color.chip_background)); 1056 1057 a.recycle(); 1058 } 1059 1060 // Visible for testing. 1061 /* package */ void setMoreItem(TextView moreItem) { 1062 mMoreItem = moreItem; 1063 } 1064 1065 1066 // Visible for testing. 1067 /* package */ void setChipBackground(Drawable chipBackground) { 1068 mChipBackground = chipBackground; 1069 } 1070 1071 // Visible for testing. 1072 /* package */ void setChipHeight(int height) { 1073 mChipHeight = height; 1074 } 1075 1076 public float getChipHeight() { 1077 return mChipHeight; 1078 } 1079 1080 /** 1081 * Set whether to shrink the recipients field such that at most 1082 * one line of recipients chips are shown when the field loses 1083 * focus. By default, the number of displayed recipients will be 1084 * limited and a "more" chip will be shown when focus is lost. 1085 * @param shrink 1086 */ 1087 public void setOnFocusListShrinkRecipients(boolean shrink) { 1088 mShouldShrink = shrink; 1089 } 1090 1091 @Override 1092 public void onSizeChanged(int width, int height, int oldw, int oldh) { 1093 super.onSizeChanged(width, height, oldw, oldh); 1094 if (width != 0 && height != 0) { 1095 if (mPendingChipsCount > 0) { 1096 postHandlePendingChips(); 1097 } else { 1098 checkChipWidths(); 1099 } 1100 } 1101 // Try to find the scroll view parent, if it exists. 1102 if (mScrollView == null && !mTriedGettingScrollView) { 1103 ViewParent parent = getParent(); 1104 while (parent != null && !(parent instanceof ScrollView)) { 1105 parent = parent.getParent(); 1106 } 1107 if (parent != null) { 1108 mScrollView = (ScrollView) parent; 1109 } 1110 mTriedGettingScrollView = true; 1111 } 1112 } 1113 1114 private void postHandlePendingChips() { 1115 mHandler.removeCallbacks(mHandlePendingChips); 1116 mHandler.post(mHandlePendingChips); 1117 } 1118 1119 private void checkChipWidths() { 1120 // Check the widths of the associated chips. 1121 DrawableRecipientChip[] chips = getSortedRecipients(); 1122 if (chips != null) { 1123 Rect bounds; 1124 for (DrawableRecipientChip chip : chips) { 1125 bounds = chip.getBounds(); 1126 if (getWidth() > 0 && bounds.right - bounds.left > 1127 getWidth() - getPaddingLeft() - getPaddingRight()) { 1128 // Need to redraw that chip. 1129 replaceChip(chip, chip.getEntry()); 1130 } 1131 } 1132 } 1133 } 1134 1135 // Visible for testing. 1136 /*package*/ void handlePendingChips() { 1137 if (getViewWidth() <= 0) { 1138 // The widget has not been sized yet. 1139 // This will be called as a result of onSizeChanged 1140 // at a later point. 1141 return; 1142 } 1143 if (mPendingChipsCount <= 0) { 1144 return; 1145 } 1146 1147 synchronized (mPendingChips) { 1148 Editable editable = getText(); 1149 // Tokenize! 1150 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1151 for (int i = 0; i < mPendingChips.size(); i++) { 1152 String current = mPendingChips.get(i); 1153 int tokenStart = editable.toString().indexOf(current); 1154 // Always leave a space at the end between tokens. 1155 int tokenEnd = tokenStart + current.length() - 1; 1156 if (tokenStart >= 0) { 1157 // When we have a valid token, include it with the token 1158 // to the left. 1159 if (tokenEnd < editable.length() - 2 1160 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1161 tokenEnd++; 1162 } 1163 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1164 || !mShouldShrink); 1165 } 1166 mPendingChipsCount--; 1167 } 1168 sanitizeEnd(); 1169 } else { 1170 mNoChips = true; 1171 } 1172 1173 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1174 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1175 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1176 new RecipientReplacementTask().execute(); 1177 mTemporaryRecipients = null; 1178 } else { 1179 // Create the "more" chip 1180 mIndividualReplacements = new IndividualReplacementTask(); 1181 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1182 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1183 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1184 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1185 mTemporaryRecipients.subList(CHIP_LIMIT, 1186 mTemporaryRecipients.size())); 1187 } else { 1188 mTemporaryRecipients = null; 1189 } 1190 createMoreChip(); 1191 } 1192 } else { 1193 // There are too many recipients to look up, so just fall back 1194 // to showing addresses for all of them. 1195 mTemporaryRecipients = null; 1196 createMoreChip(); 1197 } 1198 mPendingChipsCount = 0; 1199 mPendingChips.clear(); 1200 } 1201 } 1202 1203 // Visible for testing. 1204 /*package*/ int getViewWidth() { 1205 return getWidth(); 1206 } 1207 1208 /** 1209 * Remove any characters after the last valid chip. 1210 */ 1211 // Visible for testing. 1212 /*package*/ void sanitizeEnd() { 1213 // Don't sanitize while we are waiting for pending chips to complete. 1214 if (mPendingChipsCount > 0) { 1215 return; 1216 } 1217 // Find the last chip; eliminate any commit characters after it. 1218 DrawableRecipientChip[] chips = getSortedRecipients(); 1219 Spannable spannable = getSpannable(); 1220 if (chips != null && chips.length > 0) { 1221 int end; 1222 mMoreChip = getMoreChip(); 1223 if (mMoreChip != null) { 1224 end = spannable.getSpanEnd(mMoreChip); 1225 } else { 1226 end = getSpannable().getSpanEnd(getLastChip()); 1227 } 1228 Editable editable = getText(); 1229 int length = editable.length(); 1230 if (length > end) { 1231 // See what characters occur after that and eliminate them. 1232 if (Log.isLoggable(TAG, Log.DEBUG)) { 1233 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1234 + editable); 1235 } 1236 editable.delete(end + 1, length); 1237 } 1238 } 1239 } 1240 1241 /** 1242 * Create a chip that represents just the email address of a recipient. At some later 1243 * point, this chip will be attached to a real contact entry, if one exists. 1244 */ 1245 // VisibleForTesting 1246 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1247 boolean visible) { 1248 if (alreadyHasChip(tokenStart, tokenEnd)) { 1249 // There is already a chip present at this location. 1250 // Don't recreate it. 1251 return; 1252 } 1253 String token = editable.toString().substring(tokenStart, tokenEnd); 1254 final String trimmedToken = token.trim(); 1255 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1256 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1257 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1258 } 1259 RecipientEntry entry = createTokenizedEntry(token); 1260 if (entry != null) { 1261 DrawableRecipientChip chip = null; 1262 try { 1263 if (!mNoChips) { 1264 chip = visible ? constructChipSpan(entry) : new InvisibleRecipientChip(entry); 1265 } 1266 } catch (NullPointerException e) { 1267 Log.e(TAG, e.getMessage(), e); 1268 } 1269 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1270 // Add this chip to the list of entries "to replace" 1271 if (chip != null) { 1272 if (mTemporaryRecipients == null) { 1273 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1274 } 1275 chip.setOriginalText(token); 1276 mTemporaryRecipients.add(chip); 1277 } 1278 } 1279 } 1280 1281 // VisibleForTesting 1282 RecipientEntry createTokenizedEntry(final String token) { 1283 if (TextUtils.isEmpty(token)) { 1284 return null; 1285 } 1286 if (isPhoneQuery() && PhoneUtil.isPhoneNumber(token)) { 1287 return RecipientEntry.constructFakePhoneEntry(token, true); 1288 } 1289 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1290 boolean isValid = isValid(token); 1291 if (isValid && tokens != null && tokens.length > 0) { 1292 // If we can get a name from tokenizing, then generate an entry from 1293 // this. 1294 String display = tokens[0].getName(); 1295 if (!TextUtils.isEmpty(display)) { 1296 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1297 isValid); 1298 } else { 1299 display = tokens[0].getAddress(); 1300 if (!TextUtils.isEmpty(display)) { 1301 return RecipientEntry.constructFakeEntry(display, isValid); 1302 } 1303 } 1304 } 1305 // Unable to validate the token or to create a valid token from it. 1306 // Just create a chip the user can edit. 1307 String validatedToken = null; 1308 if (mValidator != null && !isValid) { 1309 // Try fixing up the entry using the validator. 1310 validatedToken = mValidator.fixText(token).toString(); 1311 if (!TextUtils.isEmpty(validatedToken)) { 1312 if (validatedToken.contains(token)) { 1313 // protect against the case of a validator with a null 1314 // domain, 1315 // which doesn't add a domain to the token 1316 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1317 if (tokenized.length > 0) { 1318 validatedToken = tokenized[0].getAddress(); 1319 isValid = true; 1320 } 1321 } else { 1322 // We ran into a case where the token was invalid and 1323 // removed 1324 // by the validator. In this case, just use the original 1325 // token 1326 // and let the user sort out the error chip. 1327 validatedToken = null; 1328 isValid = false; 1329 } 1330 } 1331 } 1332 // Otherwise, fallback to just creating an editable email address chip. 1333 return RecipientEntry.constructFakeEntry( 1334 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1335 } 1336 1337 private boolean isValid(String text) { 1338 return mValidator == null ? true : mValidator.isValid(text); 1339 } 1340 1341 private static String tokenizeAddress(String destination) { 1342 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1343 if (tokens != null && tokens.length > 0) { 1344 return tokens[0].getAddress(); 1345 } 1346 return destination; 1347 } 1348 1349 @Override 1350 public void setTokenizer(Tokenizer tokenizer) { 1351 mTokenizer = tokenizer; 1352 super.setTokenizer(mTokenizer); 1353 } 1354 1355 @Override 1356 public void setValidator(Validator validator) { 1357 mValidator = validator; 1358 super.setValidator(validator); 1359 } 1360 1361 /** 1362 * We cannot use the default mechanism for replaceText. Instead, 1363 * we override onItemClickListener so we can get all the associated 1364 * contact information including display text, address, and id. 1365 */ 1366 @Override 1367 protected void replaceText(CharSequence text) { 1368 return; 1369 } 1370 1371 /** 1372 * Dismiss any selected chips when the back key is pressed. 1373 */ 1374 @Override 1375 public boolean onKeyPreIme(int keyCode, @NonNull KeyEvent event) { 1376 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1377 clearSelectedChip(); 1378 return true; 1379 } 1380 return super.onKeyPreIme(keyCode, event); 1381 } 1382 1383 /** 1384 * Monitor key presses in this view to see if the user types 1385 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1386 * If the user has entered text that has contact matches and types 1387 * a commit key, create a chip from the topmost matching contact. 1388 * If the user has entered text that has no contact matches and types 1389 * a commit key, then create a chip from the text they have entered. 1390 */ 1391 @Override 1392 public boolean onKeyUp(int keyCode, @NonNull KeyEvent event) { 1393 switch (keyCode) { 1394 case KeyEvent.KEYCODE_TAB: 1395 if (event.hasNoModifiers()) { 1396 if (mSelectedChip != null) { 1397 clearSelectedChip(); 1398 } else { 1399 commitDefault(); 1400 } 1401 } 1402 break; 1403 } 1404 return super.onKeyUp(keyCode, event); 1405 } 1406 1407 private boolean focusNext() { 1408 View next = focusSearch(View.FOCUS_DOWN); 1409 if (next != null) { 1410 next.requestFocus(); 1411 return true; 1412 } 1413 return false; 1414 } 1415 1416 /** 1417 * Create a chip from the default selection. If the popup is showing, the 1418 * default is the selected item (if one is selected), or the first item, in the popup 1419 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1420 * tokenizer should search for a token to turn into a chip. 1421 * @return If a chip was created from a real contact. 1422 */ 1423 private boolean commitDefault() { 1424 // If there is no tokenizer, don't try to commit. 1425 if (mTokenizer == null) { 1426 return false; 1427 } 1428 Editable editable = getText(); 1429 int end = getSelectionEnd(); 1430 int start = mTokenizer.findTokenStart(editable, end); 1431 1432 if (shouldCreateChip(start, end)) { 1433 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1434 // In the middle of chip; treat this as an edit 1435 // and commit the whole token. 1436 whatEnd = movePastTerminators(whatEnd); 1437 if (whatEnd != getSelectionEnd()) { 1438 handleEdit(start, whatEnd); 1439 return true; 1440 } 1441 return commitChip(start, end , editable); 1442 } 1443 return false; 1444 } 1445 1446 private void commitByCharacter() { 1447 // We can't possibly commit by character if we can't tokenize. 1448 if (mTokenizer == null) { 1449 return; 1450 } 1451 Editable editable = getText(); 1452 int end = getSelectionEnd(); 1453 int start = mTokenizer.findTokenStart(editable, end); 1454 if (shouldCreateChip(start, end)) { 1455 commitChip(start, end, editable); 1456 } 1457 setSelection(getText().length()); 1458 } 1459 1460 private boolean commitChip(int start, int end, Editable editable) { 1461 int position = positionOfFirstEntryWithTypePerson(); 1462 if (position != -1 && enoughToFilter() 1463 && end == getSelectionEnd() && !isPhoneQuery()) { 1464 // let's choose the selected or first entry if only the input text is NOT an email 1465 // address so we won't try to replace the user's potentially correct but 1466 // new/unencountered email input 1467 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1468 final int selectedPosition = getListSelection(); 1469 if (selectedPosition == -1 || !isEntryAtPositionTypePerson(selectedPosition)) { 1470 // Nothing is selected or selected item is not type person; use the first item 1471 submitItemAtPosition(position); 1472 } else { 1473 submitItemAtPosition(selectedPosition); 1474 } 1475 } 1476 dismissDropDown(); 1477 return true; 1478 } else { 1479 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1480 if (editable.length() > tokenEnd + 1) { 1481 char charAt = editable.charAt(tokenEnd + 1); 1482 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1483 tokenEnd++; 1484 } 1485 } 1486 String text = editable.toString().substring(start, tokenEnd).trim(); 1487 clearComposingText(); 1488 if (text.length() > 0 && !text.equals(" ")) { 1489 RecipientEntry entry = createTokenizedEntry(text); 1490 if (entry != null) { 1491 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1492 CharSequence chipText = createChip(entry); 1493 if (chipText != null && start > -1 && end > -1) { 1494 editable.replace(start, end, chipText); 1495 } 1496 } 1497 // Only dismiss the dropdown if it is related to the text we 1498 // just committed. 1499 // For paste, it may not be as there are possibly multiple 1500 // tokens being added. 1501 if (end == getSelectionEnd()) { 1502 dismissDropDown(); 1503 } 1504 sanitizeBetween(); 1505 return true; 1506 } 1507 } 1508 return false; 1509 } 1510 1511 private int positionOfFirstEntryWithTypePerson() { 1512 ListAdapter adapter = getAdapter(); 1513 int itemCount = adapter != null ? adapter.getCount() : 0; 1514 for (int i = 0; i < itemCount; i++) { 1515 if (isEntryAtPositionTypePerson(i)) { 1516 return i; 1517 } 1518 } 1519 return -1; 1520 } 1521 1522 private boolean isEntryAtPositionTypePerson(int position) { 1523 return getAdapter().getItem(position).getEntryType() == RecipientEntry.ENTRY_TYPE_PERSON; 1524 } 1525 1526 // Visible for testing. 1527 /* package */ void sanitizeBetween() { 1528 // Don't sanitize while we are waiting for content to chipify. 1529 if (mPendingChipsCount > 0) { 1530 return; 1531 } 1532 // Find the last chip. 1533 DrawableRecipientChip[] recips = getSortedRecipients(); 1534 if (recips != null && recips.length > 0) { 1535 DrawableRecipientChip last = recips[recips.length - 1]; 1536 DrawableRecipientChip beforeLast = null; 1537 if (recips.length > 1) { 1538 beforeLast = recips[recips.length - 2]; 1539 } 1540 int startLooking = 0; 1541 int end = getSpannable().getSpanStart(last); 1542 if (beforeLast != null) { 1543 startLooking = getSpannable().getSpanEnd(beforeLast); 1544 Editable text = getText(); 1545 if (startLooking == -1 || startLooking > text.length() - 1) { 1546 // There is nothing after this chip. 1547 return; 1548 } 1549 if (text.charAt(startLooking) == ' ') { 1550 startLooking++; 1551 } 1552 } 1553 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1554 getText().delete(startLooking, end); 1555 } 1556 } 1557 } 1558 1559 private boolean shouldCreateChip(int start, int end) { 1560 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1561 } 1562 1563 private boolean alreadyHasChip(int start, int end) { 1564 if (mNoChips) { 1565 return true; 1566 } 1567 DrawableRecipientChip[] chips = 1568 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1569 return chips != null && chips.length > 0; 1570 } 1571 1572 private void handleEdit(int start, int end) { 1573 if (start == -1 || end == -1) { 1574 // This chip no longer exists in the field. 1575 dismissDropDown(); 1576 return; 1577 } 1578 // This is in the middle of a chip, so select out the whole chip 1579 // and commit it. 1580 Editable editable = getText(); 1581 setSelection(end); 1582 String text = getText().toString().substring(start, end); 1583 if (!TextUtils.isEmpty(text)) { 1584 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1585 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1586 CharSequence chipText = createChip(entry); 1587 int selEnd = getSelectionEnd(); 1588 if (chipText != null && start > -1 && selEnd > -1) { 1589 editable.replace(start, selEnd, chipText); 1590 } 1591 } 1592 dismissDropDown(); 1593 } 1594 1595 /** 1596 * If there is a selected chip, delegate the key events 1597 * to the selected chip. 1598 */ 1599 @Override 1600 public boolean onKeyDown(int keyCode, @NonNull KeyEvent event) { 1601 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1602 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1603 mAlternatesPopup.dismiss(); 1604 } 1605 removeChip(mSelectedChip); 1606 } 1607 1608 switch (keyCode) { 1609 case KeyEvent.KEYCODE_ENTER: 1610 case KeyEvent.KEYCODE_DPAD_CENTER: 1611 if (event.hasNoModifiers()) { 1612 if (commitDefault()) { 1613 return true; 1614 } 1615 if (mSelectedChip != null) { 1616 clearSelectedChip(); 1617 return true; 1618 } else if (focusNext()) { 1619 return true; 1620 } 1621 } 1622 break; 1623 } 1624 1625 return super.onKeyDown(keyCode, event); 1626 } 1627 1628 // Visible for testing. 1629 /* package */ Spannable getSpannable() { 1630 return getText(); 1631 } 1632 1633 private int getChipStart(DrawableRecipientChip chip) { 1634 return getSpannable().getSpanStart(chip); 1635 } 1636 1637 private int getChipEnd(DrawableRecipientChip chip) { 1638 return getSpannable().getSpanEnd(chip); 1639 } 1640 1641 /** 1642 * Instead of filtering on the entire contents of the edit box, 1643 * this subclass method filters on the range from 1644 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1645 * if the length of that range meets or exceeds {@link #getThreshold} 1646 * and makes sure that the range is not already a Chip. 1647 */ 1648 @Override 1649 public void performFiltering(@NonNull CharSequence text, int keyCode) { 1650 boolean isCompletedToken = isCompletedToken(text); 1651 if (enoughToFilter() && !isCompletedToken) { 1652 int end = getSelectionEnd(); 1653 int start = mTokenizer.findTokenStart(text, end); 1654 // If this is a RecipientChip, don't filter 1655 // on its contents. 1656 Spannable span = getSpannable(); 1657 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1658 if (chips != null && chips.length > 0) { 1659 dismissDropDown(); 1660 return; 1661 } 1662 } else if (isCompletedToken) { 1663 dismissDropDown(); 1664 return; 1665 } 1666 super.performFiltering(text, keyCode); 1667 } 1668 1669 // Visible for testing. 1670 /*package*/ boolean isCompletedToken(CharSequence text) { 1671 if (TextUtils.isEmpty(text)) { 1672 return false; 1673 } 1674 // Check to see if this is a completed token before filtering. 1675 int end = text.length(); 1676 int start = mTokenizer.findTokenStart(text, end); 1677 String token = text.toString().substring(start, end).trim(); 1678 if (!TextUtils.isEmpty(token)) { 1679 char atEnd = token.charAt(token.length() - 1); 1680 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1681 } 1682 return false; 1683 } 1684 1685 /** 1686 * Clears the selected chip if there is one (and dismissing any popups related to the selected 1687 * chip in the process). 1688 */ 1689 public void clearSelectedChip() { 1690 if (mSelectedChip != null) { 1691 unselectChip(mSelectedChip); 1692 mSelectedChip = null; 1693 } 1694 setCursorVisible(true); 1695 setSelection(getText().length()); 1696 } 1697 1698 /** 1699 * Monitor touch events in the RecipientEditTextView. 1700 * If the view does not have focus, any tap on the view 1701 * will just focus the view. If the view has focus, determine 1702 * if the touch target is a recipient chip. If it is and the chip 1703 * is not selected, select it and clear any other selected chips. 1704 * If it isn't, then select that chip. 1705 */ 1706 @Override 1707 public boolean onTouchEvent(@NonNull MotionEvent event) { 1708 if (!isFocused()) { 1709 // Ignore any chip taps until this view is focused. 1710 return super.onTouchEvent(event); 1711 } 1712 boolean handled = super.onTouchEvent(event); 1713 int action = event.getAction(); 1714 boolean chipWasSelected = false; 1715 if (mSelectedChip == null) { 1716 mGestureDetector.onTouchEvent(event); 1717 } 1718 if (action == MotionEvent.ACTION_UP) { 1719 float x = event.getX(); 1720 float y = event.getY(); 1721 int offset = putOffsetInRange(x, y); 1722 DrawableRecipientChip currentChip = findChip(offset); 1723 if (currentChip != null) { 1724 if (mSelectedChip != null && mSelectedChip != currentChip) { 1725 clearSelectedChip(); 1726 selectChip(currentChip); 1727 } else if (mSelectedChip == null) { 1728 commitDefault(); 1729 selectChip(currentChip); 1730 } else { 1731 onClick(mSelectedChip); 1732 } 1733 chipWasSelected = true; 1734 handled = true; 1735 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1736 chipWasSelected = true; 1737 } 1738 } 1739 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1740 clearSelectedChip(); 1741 } 1742 return handled; 1743 } 1744 1745 private void showAlternates(final DrawableRecipientChip currentChip, 1746 final ListPopupWindow alternatesPopup) { 1747 new AsyncTask<Void, Void, ListAdapter>() { 1748 @Override 1749 protected ListAdapter doInBackground(final Void... params) { 1750 return createAlternatesAdapter(currentChip); 1751 } 1752 1753 @Override 1754 protected void onPostExecute(final ListAdapter result) { 1755 if (!mAttachedToWindow) { 1756 return; 1757 } 1758 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1759 int bottomOffset = calculateOffsetFromBottomToTop(line); 1760 1761 // Align the alternates popup with the left side of the View, 1762 // regardless of the position of the chip tapped. 1763 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1764 mAlternatePopupAnchor : RecipientEditTextView.this); 1765 alternatesPopup.setVerticalOffset(bottomOffset); 1766 alternatesPopup.setAdapter(result); 1767 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1768 // Clear the checked item. 1769 mCheckedItem = -1; 1770 alternatesPopup.show(); 1771 ListView listView = alternatesPopup.getListView(); 1772 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1773 // Checked item would be -1 if the adapter has not 1774 // loaded the view that should be checked yet. The 1775 // variable will be set correctly when onCheckedItemChanged 1776 // is called in a separate thread. 1777 if (mCheckedItem != -1) { 1778 listView.setItemChecked(mCheckedItem, true); 1779 mCheckedItem = -1; 1780 } 1781 } 1782 }.execute((Void[]) null); 1783 } 1784 1785 protected ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1786 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1787 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1788 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1789 constructStateListDeleteDrawable(), getAdapter().getPermissionsCheckListener()); 1790 } 1791 1792 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1793 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1794 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1795 } 1796 1797 private StateListDrawable constructStateListDeleteDrawable() { 1798 // Construct the StateListDrawable from deleteDrawable 1799 StateListDrawable deleteDrawable = new StateListDrawable(); 1800 if (!mDisableDelete) { 1801 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1802 } 1803 deleteDrawable.addState(new int[0], null); 1804 return deleteDrawable; 1805 } 1806 1807 @Override 1808 public void onCheckedItemChanged(int position) { 1809 ListView listView = mAlternatesPopup.getListView(); 1810 if (listView != null && listView.getCheckedItemCount() == 0) { 1811 listView.setItemChecked(position, true); 1812 } 1813 mCheckedItem = position; 1814 } 1815 1816 private int putOffsetInRange(final float x, final float y) { 1817 final int offset; 1818 1819 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1820 offset = getOffsetForPosition(x, y); 1821 } else { 1822 offset = supportGetOffsetForPosition(x, y); 1823 } 1824 1825 return putOffsetInRange(offset); 1826 } 1827 1828 // TODO: This algorithm will need a lot of tweaking after more people have used 1829 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1830 // what comes before the finger. 1831 private int putOffsetInRange(int o) { 1832 int offset = o; 1833 Editable text = getText(); 1834 int length = text.length(); 1835 // Remove whitespace from end to find "real end" 1836 int realLength = length; 1837 for (int i = length - 1; i >= 0; i--) { 1838 if (text.charAt(i) == ' ') { 1839 realLength--; 1840 } else { 1841 break; 1842 } 1843 } 1844 1845 // If the offset is beyond or at the end of the text, 1846 // leave it alone. 1847 if (offset >= realLength) { 1848 return offset; 1849 } 1850 Editable editable = getText(); 1851 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1852 // Keep walking backward! 1853 offset--; 1854 } 1855 return offset; 1856 } 1857 1858 private static int findText(Editable text, int offset) { 1859 if (text.charAt(offset) != ' ') { 1860 return offset; 1861 } 1862 return -1; 1863 } 1864 1865 private DrawableRecipientChip findChip(int offset) { 1866 final Spannable span = getSpannable(); 1867 final DrawableRecipientChip[] chips = 1868 span.getSpans(0, span.length(), DrawableRecipientChip.class); 1869 // Find the chip that contains this offset. 1870 for (DrawableRecipientChip chip : chips) { 1871 int start = getChipStart(chip); 1872 int end = getChipEnd(chip); 1873 if (offset >= start && offset <= end) { 1874 return chip; 1875 } 1876 } 1877 return null; 1878 } 1879 1880 // Visible for testing. 1881 // Use this method to generate text to add to the list of addresses. 1882 /* package */String createAddressText(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 String trimmedDisplayText; 1889 if (isPhoneQuery() && PhoneUtil.isPhoneNumber(address)) { 1890 trimmedDisplayText = address.trim(); 1891 } else { 1892 if (address != null) { 1893 // Tokenize out the address in case the address already 1894 // contained the username as well. 1895 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1896 if (tokenized != null && tokenized.length > 0) { 1897 address = tokenized[0].getAddress(); 1898 } 1899 } 1900 Rfc822Token token = new Rfc822Token(display, address, null); 1901 trimmedDisplayText = token.toString().trim(); 1902 } 1903 int index = trimmedDisplayText.indexOf(","); 1904 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1905 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1906 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1907 } 1908 1909 // Visible for testing. 1910 // Use this method to generate text to display in a chip. 1911 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1912 String display = entry.getDisplayName(); 1913 String address = entry.getDestination(); 1914 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1915 display = null; 1916 } 1917 if (!TextUtils.isEmpty(display)) { 1918 return display; 1919 } else if (!TextUtils.isEmpty(address)){ 1920 return address; 1921 } else { 1922 return new Rfc822Token(display, address, null).toString(); 1923 } 1924 } 1925 1926 private CharSequence createChip(RecipientEntry entry) { 1927 final String displayText = createAddressText(entry); 1928 if (TextUtils.isEmpty(displayText)) { 1929 return null; 1930 } 1931 // Always leave a blank space at the end of a chip. 1932 final int textLength = displayText.length() - 1; 1933 final SpannableString chipText = new SpannableString(displayText); 1934 if (!mNoChips) { 1935 try { 1936 DrawableRecipientChip chip = constructChipSpan(entry); 1937 chipText.setSpan(chip, 0, textLength, 1938 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1939 chip.setOriginalText(chipText.toString()); 1940 } catch (NullPointerException e) { 1941 Log.e(TAG, e.getMessage(), e); 1942 return null; 1943 } 1944 } 1945 onChipCreated(entry); 1946 return chipText; 1947 } 1948 1949 /** 1950 * A callback for subclasses to use to know when a chip was created with the 1951 * given RecipientEntry. 1952 */ 1953 protected void onChipCreated(RecipientEntry entry) {} 1954 1955 /** 1956 * When an item in the suggestions list has been clicked, create a chip from the 1957 * contact information of the selected item. 1958 */ 1959 @Override 1960 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1961 if (position < 0) { 1962 return; 1963 } 1964 1965 final RecipientEntry entry = getAdapter().getItem(position); 1966 if (entry.getEntryType() == RecipientEntry.ENTRY_TYPE_PERMISSION_REQUEST) { 1967 if (mPermissionsRequestItemClickedListener != null) { 1968 mPermissionsRequestItemClickedListener 1969 .onPermissionsRequestItemClicked(this, entry.getPermissions()); 1970 } 1971 return; 1972 } 1973 1974 final int charactersTyped = submitItemAtPosition(position); 1975 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1976 mRecipientEntryItemClickedListener 1977 .onRecipientEntryItemClicked(charactersTyped, position); 1978 } 1979 } 1980 1981 private int submitItemAtPosition(int position) { 1982 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1983 if (entry == null) { 1984 return -1; 1985 } 1986 clearComposingText(); 1987 1988 int end = getSelectionEnd(); 1989 int start = mTokenizer.findTokenStart(getText(), end); 1990 1991 Editable editable = getText(); 1992 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1993 CharSequence chip = createChip(entry); 1994 if (chip != null && start >= 0 && end >= 0) { 1995 editable.replace(start, end, chip); 1996 } 1997 sanitizeBetween(); 1998 1999 return end - start; 2000 } 2001 2002 private RecipientEntry createValidatedEntry(RecipientEntry item) { 2003 if (item == null) { 2004 return null; 2005 } 2006 final RecipientEntry entry; 2007 // If the display name and the address are the same, or if this is a 2008 // valid contact, but the destination is invalid, then make this a fake 2009 // recipient that is editable. 2010 String destination = item.getDestination(); 2011 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 2012 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 2013 destination, item.isValid()); 2014 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 2015 && (TextUtils.isEmpty(item.getDisplayName()) 2016 || TextUtils.equals(item.getDisplayName(), destination) 2017 || (mValidator != null && !mValidator.isValid(destination)))) { 2018 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 2019 } else { 2020 entry = item; 2021 } 2022 return entry; 2023 } 2024 2025 // Visible for testing. 2026 /* package */DrawableRecipientChip[] getSortedRecipients() { 2027 DrawableRecipientChip[] recips = getSpannable() 2028 .getSpans(0, getText().length(), DrawableRecipientChip.class); 2029 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 2030 Arrays.asList(recips)); 2031 final Spannable spannable = getSpannable(); 2032 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 2033 2034 @Override 2035 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 2036 int firstStart = spannable.getSpanStart(first); 2037 int secondStart = spannable.getSpanStart(second); 2038 if (firstStart < secondStart) { 2039 return -1; 2040 } else if (firstStart > secondStart) { 2041 return 1; 2042 } else { 2043 return 0; 2044 } 2045 } 2046 }); 2047 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 2048 } 2049 2050 @Override 2051 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 2052 return false; 2053 } 2054 2055 @Override 2056 public void onDestroyActionMode(ActionMode mode) { 2057 } 2058 2059 @Override 2060 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 2061 return false; 2062 } 2063 2064 /** 2065 * No chips are selectable. 2066 */ 2067 @Override 2068 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 2069 return false; 2070 } 2071 2072 // Visible for testing. 2073 /* package */ReplacementDrawableSpan getMoreChip() { 2074 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 2075 MoreImageSpan.class); 2076 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 2077 } 2078 2079 private MoreImageSpan createMoreSpan(int count) { 2080 String moreText = String.format(mMoreItem.getText().toString(), count); 2081 mWorkPaint.set(getPaint()); 2082 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 2083 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 2084 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 2085 + mMoreItem.getPaddingRight(); 2086 final int height = (int) mChipHeight; 2087 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 2088 Canvas canvas = new Canvas(drawable); 2089 int adjustedHeight = height; 2090 Layout layout = getLayout(); 2091 if (layout != null) { 2092 adjustedHeight -= layout.getLineDescent(0); 2093 } 2094 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 2095 2096 Drawable result = new BitmapDrawable(getResources(), drawable); 2097 result.setBounds(0, 0, width, height); 2098 return new MoreImageSpan(result); 2099 } 2100 2101 // Visible for testing. 2102 /*package*/ void createMoreChipPlainText() { 2103 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2104 Editable text = getText(); 2105 int start = 0; 2106 int end = start; 2107 for (int i = 0; i < CHIP_LIMIT; i++) { 2108 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2109 start = end; // move to the next token and get its end. 2110 } 2111 // Now, count total addresses. 2112 int tokenCount = countTokens(text); 2113 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2114 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2115 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2116 text.replace(end, text.length(), chipText); 2117 mMoreChip = moreSpan; 2118 } 2119 2120 // Visible for testing. 2121 /* package */int countTokens(Editable text) { 2122 int tokenCount = 0; 2123 int start = 0; 2124 while (start < text.length()) { 2125 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2126 tokenCount++; 2127 if (start >= text.length()) { 2128 break; 2129 } 2130 } 2131 return tokenCount; 2132 } 2133 2134 /** 2135 * Create the more chip. The more chip is text that replaces any chips that 2136 * do not fit in the pre-defined available space when the 2137 * RecipientEditTextView loses focus. 2138 */ 2139 // Visible for testing. 2140 /* package */ void createMoreChip() { 2141 if (mNoChips) { 2142 createMoreChipPlainText(); 2143 return; 2144 } 2145 2146 if (!mShouldShrink) { 2147 return; 2148 } 2149 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2150 MoreImageSpan.class); 2151 if (tempMore.length > 0) { 2152 getSpannable().removeSpan(tempMore[0]); 2153 } 2154 DrawableRecipientChip[] recipients = getSortedRecipients(); 2155 2156 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2157 mMoreChip = null; 2158 return; 2159 } 2160 Spannable spannable = getSpannable(); 2161 int numRecipients = recipients.length; 2162 int overage = numRecipients - CHIP_LIMIT; 2163 MoreImageSpan moreSpan = createMoreSpan(overage); 2164 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2165 int totalReplaceStart = 0; 2166 int totalReplaceEnd = 0; 2167 Editable text = getText(); 2168 for (int i = numRecipients - overage; i < recipients.length; i++) { 2169 mRemovedSpans.add(recipients[i]); 2170 if (i == numRecipients - overage) { 2171 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2172 } 2173 if (i == recipients.length - 1) { 2174 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2175 } 2176 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2177 int spanStart = spannable.getSpanStart(recipients[i]); 2178 int spanEnd = spannable.getSpanEnd(recipients[i]); 2179 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2180 } 2181 spannable.removeSpan(recipients[i]); 2182 } 2183 if (totalReplaceEnd < text.length()) { 2184 totalReplaceEnd = text.length(); 2185 } 2186 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2187 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2188 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2189 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2190 text.replace(start, end, chipText); 2191 mMoreChip = moreSpan; 2192 // If adding the +more chip goes over the limit, resize accordingly. 2193 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2194 setMaxLines(getLineCount()); 2195 } 2196 } 2197 2198 /** 2199 * Replace the more chip, if it exists, with all of the recipient chips it had 2200 * replaced when the RecipientEditTextView gains focus. 2201 */ 2202 // Visible for testing. 2203 /*package*/ void removeMoreChip() { 2204 if (mMoreChip != null) { 2205 Spannable span = getSpannable(); 2206 span.removeSpan(mMoreChip); 2207 mMoreChip = null; 2208 // Re-add the spans that were removed. 2209 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2210 // Recreate each removed span. 2211 DrawableRecipientChip[] recipients = getSortedRecipients(); 2212 // Start the search for tokens after the last currently visible 2213 // chip. 2214 if (recipients == null || recipients.length == 0) { 2215 return; 2216 } 2217 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2218 Editable editable = getText(); 2219 for (DrawableRecipientChip chip : mRemovedSpans) { 2220 int chipStart; 2221 int chipEnd; 2222 String token; 2223 // Need to find the location of the chip, again. 2224 token = (String) chip.getOriginalText(); 2225 // As we find the matching recipient for the remove spans, 2226 // reduce the size of the string we need to search. 2227 // That way, if there are duplicates, we always find the correct 2228 // recipient. 2229 chipStart = editable.toString().indexOf(token, end); 2230 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2231 // Only set the span if we found a matching token. 2232 if (chipStart != -1) { 2233 editable.setSpan(chip, chipStart, chipEnd, 2234 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2235 } 2236 } 2237 mRemovedSpans.clear(); 2238 } 2239 } 2240 } 2241 2242 /** 2243 * Show specified chip as selected. If the RecipientChip is just an email address, 2244 * selecting the chip will take the contents of the chip and place it at 2245 * the end of the RecipientEditTextView for inline editing. If the 2246 * RecipientChip is a complete contact, then selecting the chip 2247 * will show a popup window with the address in use highlighted and any other 2248 * alternate addresses for the contact. 2249 * @param currentChip Chip to select. 2250 */ 2251 private void selectChip(DrawableRecipientChip currentChip) { 2252 if (shouldShowEditableText(currentChip)) { 2253 CharSequence text = currentChip.getValue(); 2254 Editable editable = getText(); 2255 Spannable spannable = getSpannable(); 2256 int spanStart = spannable.getSpanStart(currentChip); 2257 int spanEnd = spannable.getSpanEnd(currentChip); 2258 spannable.removeSpan(currentChip); 2259 // Don't need leading space if it's the only chip 2260 if (spanEnd - spanStart == editable.length() - 1) { 2261 spanEnd++; 2262 } 2263 editable.delete(spanStart, spanEnd); 2264 setCursorVisible(true); 2265 setSelection(editable.length()); 2266 editable.append(text); 2267 mSelectedChip = constructChipSpan( 2268 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString()))); 2269 } else { 2270 final boolean showAddress = 2271 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2272 getAdapter().forceShowAddress(); 2273 if (showAddress && mNoChips) { 2274 return; 2275 } 2276 2277 if (isTouchExplorationEnabled()) { 2278 // The chips cannot be touch-explored. However, doing a double-tap results in 2279 // the popup being shown for the last chip, which is of no value. 2280 return; 2281 } 2282 2283 mSelectedChip = currentChip; 2284 setSelection(getText().getSpanEnd(mSelectedChip)); 2285 setCursorVisible(false); 2286 2287 if (showAddress) { 2288 showAddress(currentChip, mAddressPopup); 2289 } else { 2290 showAlternates(currentChip, mAlternatesPopup); 2291 } 2292 } 2293 } 2294 2295 private boolean isTouchExplorationEnabled() { 2296 if (Build.VERSION.SDK_INT < Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 2297 return false; 2298 } 2299 2300 final AccessibilityManager accessibilityManager = (AccessibilityManager) 2301 getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 2302 return accessibilityManager.isTouchExplorationEnabled(); 2303 } 2304 2305 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2306 long contactId = currentChip.getContactId(); 2307 return contactId == RecipientEntry.INVALID_CONTACT 2308 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2309 } 2310 2311 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2312 if (!mAttachedToWindow) { 2313 return; 2314 } 2315 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2316 int bottomOffset = calculateOffsetFromBottomToTop(line); 2317 // Align the alternates popup with the left side of the View, 2318 // regardless of the position of the chip tapped. 2319 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2320 popup.setVerticalOffset(bottomOffset); 2321 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2322 popup.setOnItemClickListener(new OnItemClickListener() { 2323 @Override 2324 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2325 unselectChip(currentChip); 2326 popup.dismiss(); 2327 } 2328 }); 2329 popup.show(); 2330 ListView listView = popup.getListView(); 2331 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2332 listView.setItemChecked(0, true); 2333 } 2334 2335 /** 2336 * Remove selection from this chip. Unselecting a RecipientChip will render 2337 * the chip without a delete icon and with an unfocused background. This is 2338 * called when the RecipientChip no longer has focus. 2339 */ 2340 private void unselectChip(DrawableRecipientChip chip) { 2341 int start = getChipStart(chip); 2342 int end = getChipEnd(chip); 2343 Editable editable = getText(); 2344 mSelectedChip = null; 2345 if (start == -1 || end == -1) { 2346 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2347 setSelection(editable.length()); 2348 commitDefault(); 2349 } else { 2350 getSpannable().removeSpan(chip); 2351 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2352 editable.removeSpan(chip); 2353 try { 2354 if (!mNoChips) { 2355 editable.setSpan(constructChipSpan(chip.getEntry()), 2356 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2357 } 2358 } catch (NullPointerException e) { 2359 Log.e(TAG, e.getMessage(), e); 2360 } 2361 } 2362 setCursorVisible(true); 2363 setSelection(editable.length()); 2364 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2365 mAlternatesPopup.dismiss(); 2366 } 2367 } 2368 2369 @Override 2370 public void onChipDelete() { 2371 if (mSelectedChip != null) { 2372 removeChip(mSelectedChip); 2373 } 2374 dismissPopups(); 2375 } 2376 2377 @Override 2378 public void onPermissionRequestDismissed() { 2379 if (mPermissionsRequestItemClickedListener != null) { 2380 mPermissionsRequestItemClickedListener.onPermissionRequestDismissed(); 2381 } 2382 dismissDropDown(); 2383 } 2384 2385 private void dismissPopups() { 2386 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2387 mAlternatesPopup.dismiss(); 2388 } 2389 if (mAddressPopup != null && mAddressPopup.isShowing()) { 2390 mAddressPopup.dismiss(); 2391 } 2392 setSelection(getText().length()); 2393 } 2394 2395 /** 2396 * Remove the chip and any text associated with it from the RecipientEditTextView. 2397 */ 2398 // Visible for testing. 2399 /* package */void removeChip(DrawableRecipientChip chip) { 2400 Spannable spannable = getSpannable(); 2401 int spanStart = spannable.getSpanStart(chip); 2402 int spanEnd = spannable.getSpanEnd(chip); 2403 Editable text = getText(); 2404 int toDelete = spanEnd; 2405 boolean wasSelected = chip == mSelectedChip; 2406 // Clear that there is a selected chip before updating any text. 2407 if (wasSelected) { 2408 mSelectedChip = null; 2409 } 2410 // Always remove trailing spaces when removing a chip. 2411 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2412 toDelete++; 2413 } 2414 spannable.removeSpan(chip); 2415 if (spanStart >= 0 && toDelete > 0) { 2416 text.delete(spanStart, toDelete); 2417 } 2418 if (wasSelected) { 2419 clearSelectedChip(); 2420 } 2421 } 2422 2423 /** 2424 * Replace this currently selected chip with a new chip 2425 * that uses the contact data provided. 2426 */ 2427 // Visible for testing. 2428 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2429 boolean wasSelected = chip == mSelectedChip; 2430 if (wasSelected) { 2431 mSelectedChip = null; 2432 } 2433 int start = getChipStart(chip); 2434 int end = getChipEnd(chip); 2435 getSpannable().removeSpan(chip); 2436 Editable editable = getText(); 2437 CharSequence chipText = createChip(entry); 2438 if (chipText != null) { 2439 if (start == -1 || end == -1) { 2440 Log.e(TAG, "The chip to replace does not exist but should."); 2441 editable.insert(0, chipText); 2442 } else { 2443 if (!TextUtils.isEmpty(chipText)) { 2444 // There may be a space to replace with this chip's new 2445 // associated space. Check for it 2446 int toReplace = end; 2447 while (toReplace >= 0 && toReplace < editable.length() 2448 && editable.charAt(toReplace) == ' ') { 2449 toReplace++; 2450 } 2451 editable.replace(start, toReplace, chipText); 2452 } 2453 } 2454 } 2455 setCursorVisible(true); 2456 if (wasSelected) { 2457 clearSelectedChip(); 2458 } 2459 } 2460 2461 /** 2462 * Handle click events for a chip. When a selected chip receives a click 2463 * event, see if that event was in the delete icon. If so, delete it. 2464 * Otherwise, unselect the chip. 2465 */ 2466 public void onClick(DrawableRecipientChip chip) { 2467 if (chip.isSelected()) { 2468 clearSelectedChip(); 2469 } 2470 } 2471 2472 private boolean chipsPending() { 2473 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2474 } 2475 2476 @Override 2477 public void removeTextChangedListener(TextWatcher watcher) { 2478 mTextWatcher = null; 2479 super.removeTextChangedListener(watcher); 2480 } 2481 2482 private boolean isValidEmailAddress(String input) { 2483 return !TextUtils.isEmpty(input) && mValidator != null && 2484 mValidator.isValid(input); 2485 } 2486 2487 private class RecipientTextWatcher implements TextWatcher { 2488 2489 @Override 2490 public void afterTextChanged(Editable s) { 2491 // If the text has been set to null or empty, make sure we remove 2492 // all the spans we applied. 2493 if (TextUtils.isEmpty(s)) { 2494 // Remove all the chips spans. 2495 Spannable spannable = getSpannable(); 2496 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2497 DrawableRecipientChip.class); 2498 for (DrawableRecipientChip chip : chips) { 2499 spannable.removeSpan(chip); 2500 } 2501 if (mMoreChip != null) { 2502 spannable.removeSpan(mMoreChip); 2503 } 2504 clearSelectedChip(); 2505 return; 2506 } 2507 // Get whether there are any recipients pending addition to the 2508 // view. If there are, don't do anything in the text watcher. 2509 if (chipsPending()) { 2510 return; 2511 } 2512 // If the user is editing a chip, don't clear it. 2513 if (mSelectedChip != null) { 2514 if (!isGeneratedContact(mSelectedChip)) { 2515 setCursorVisible(true); 2516 setSelection(getText().length()); 2517 clearSelectedChip(); 2518 } else { 2519 return; 2520 } 2521 } 2522 int length = s.length(); 2523 // Make sure there is content there to parse and that it is 2524 // not just the commit character. 2525 if (length > 1) { 2526 if (lastCharacterIsCommitCharacter(s)) { 2527 commitByCharacter(); 2528 return; 2529 } 2530 char last; 2531 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2532 int len = length() - 1; 2533 if (end != len) { 2534 last = s.charAt(end); 2535 } else { 2536 last = s.charAt(len); 2537 } 2538 if (last == COMMIT_CHAR_SPACE) { 2539 if (!isPhoneQuery()) { 2540 // Check if this is a valid email address. If it is, 2541 // commit it. 2542 String text = getText().toString(); 2543 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2544 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2545 tokenStart)); 2546 if (isValidEmailAddress(sub)) { 2547 commitByCharacter(); 2548 } 2549 } 2550 } 2551 } 2552 } 2553 2554 @Override 2555 public void onTextChanged(CharSequence s, int start, int before, int count) { 2556 // The user deleted some text OR some text was replaced; check to 2557 // see if the insertion point is on a space 2558 // following a chip. 2559 if (before - count == 1) { 2560 // If the item deleted is a space, and the thing before the 2561 // space is a chip, delete the entire span. 2562 int selStart = getSelectionStart(); 2563 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2564 DrawableRecipientChip.class); 2565 if (repl.length > 0) { 2566 // There is a chip there! Just remove it. 2567 DrawableRecipientChip toDelete = repl[0]; 2568 Editable editable = getText(); 2569 // Add the separator token. 2570 int deleteStart = editable.getSpanStart(toDelete); 2571 int deleteEnd = editable.getSpanEnd(toDelete) + 1; 2572 if (deleteEnd > editable.length()) { 2573 deleteEnd = editable.length(); 2574 } 2575 editable.removeSpan(toDelete); 2576 editable.delete(deleteStart, deleteEnd); 2577 } 2578 } else if (count > before) { 2579 if (mSelectedChip != null 2580 && isGeneratedContact(mSelectedChip)) { 2581 if (lastCharacterIsCommitCharacter(s)) { 2582 commitByCharacter(); 2583 return; 2584 } 2585 } 2586 } 2587 } 2588 2589 @Override 2590 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2591 // Do nothing. 2592 } 2593 } 2594 2595 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2596 char last; 2597 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2598 int len = length() - 1; 2599 if (end != len) { 2600 last = s.charAt(end); 2601 } else { 2602 last = s.charAt(len); 2603 } 2604 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2605 } 2606 2607 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2608 long contactId = chip.getContactId(); 2609 return contactId == RecipientEntry.INVALID_CONTACT 2610 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2611 } 2612 2613 /** 2614 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2615 */ 2616 // Visible for testing. 2617 void handlePasteClip(ClipData clip) { 2618 if (clip == null) { 2619 // Do nothing. 2620 return; 2621 } 2622 2623 final ClipDescription clipDesc = clip.getDescription(); 2624 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2625 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2626 if (!containsSupportedType) { 2627 return; 2628 } 2629 2630 removeTextChangedListener(mTextWatcher); 2631 2632 final ClipDescription clipDescription = clip.getDescription(); 2633 for (int i = 0; i < clip.getItemCount(); i++) { 2634 final String mimeType = clipDescription.getMimeType(i); 2635 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2636 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2637 if (!supportedType) { 2638 // Only plain text and html can be pasted. 2639 continue; 2640 } 2641 2642 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2643 if (!TextUtils.isEmpty(pastedItem)) { 2644 final Editable editable = getText(); 2645 final int start = getSelectionStart(); 2646 final int end = getSelectionEnd(); 2647 if (start < 0 || end < 1) { 2648 // No selection. 2649 editable.append(pastedItem); 2650 } else if (start == end) { 2651 // Insert at position. 2652 editable.insert(start, pastedItem); 2653 } else { 2654 editable.append(pastedItem, start, end); 2655 } 2656 handlePasteAndReplace(); 2657 } 2658 } 2659 2660 mHandler.post(mAddTextWatcher); 2661 } 2662 2663 @Override 2664 public boolean onTextContextMenuItem(int id) { 2665 if (id == android.R.id.paste) { 2666 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2667 Context.CLIPBOARD_SERVICE); 2668 handlePasteClip(clipboard.getPrimaryClip()); 2669 return true; 2670 } 2671 return super.onTextContextMenuItem(id); 2672 } 2673 2674 private void handlePasteAndReplace() { 2675 ArrayList<DrawableRecipientChip> created = handlePaste(); 2676 if (created != null && created.size() > 0) { 2677 // Perform reverse lookups on the pasted contacts. 2678 IndividualReplacementTask replace = new IndividualReplacementTask(); 2679 replace.execute(created); 2680 } 2681 } 2682 2683 // Visible for testing. 2684 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2685 String text = getText().toString(); 2686 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2687 String lastAddress = text.substring(originalTokenStart); 2688 int tokenStart = originalTokenStart; 2689 int prevTokenStart = 0; 2690 DrawableRecipientChip findChip = null; 2691 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2692 if (tokenStart != 0) { 2693 // There are things before this! 2694 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2695 prevTokenStart = tokenStart; 2696 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2697 findChip = findChip(tokenStart); 2698 if (tokenStart == originalTokenStart && findChip == null) { 2699 break; 2700 } 2701 } 2702 if (tokenStart != originalTokenStart) { 2703 if (findChip != null) { 2704 tokenStart = prevTokenStart; 2705 } 2706 int tokenEnd; 2707 DrawableRecipientChip createdChip; 2708 while (tokenStart < originalTokenStart) { 2709 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2710 tokenStart)); 2711 commitChip(tokenStart, tokenEnd, getText()); 2712 createdChip = findChip(tokenStart); 2713 if (createdChip == null) { 2714 break; 2715 } 2716 // +1 for the space at the end. 2717 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2718 created.add(createdChip); 2719 } 2720 } 2721 } 2722 // Take a look at the last token. If the token has been completed with a 2723 // commit character, create a chip. 2724 if (isCompletedToken(lastAddress)) { 2725 Editable editable = getText(); 2726 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2727 commitChip(tokenStart, editable.length(), editable); 2728 created.add(findChip(tokenStart)); 2729 } 2730 return created; 2731 } 2732 2733 // Visible for testing. 2734 /* package */int movePastTerminators(int tokenEnd) { 2735 if (tokenEnd >= length()) { 2736 return tokenEnd; 2737 } 2738 char atEnd = getText().toString().charAt(tokenEnd); 2739 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2740 tokenEnd++; 2741 } 2742 // This token had not only an end token character, but also a space 2743 // separating it from the next token. 2744 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2745 tokenEnd++; 2746 } 2747 return tokenEnd; 2748 } 2749 2750 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2751 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2752 try { 2753 if (mNoChips) { 2754 return null; 2755 } 2756 return constructChipSpan(entry); 2757 } catch (NullPointerException e) { 2758 Log.e(TAG, e.getMessage(), e); 2759 return null; 2760 } 2761 } 2762 2763 @Override 2764 protected void onPreExecute() { 2765 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2766 // replaced 2767 final List<DrawableRecipientChip> originalRecipients = 2768 new ArrayList<DrawableRecipientChip>(); 2769 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2770 Collections.addAll(originalRecipients, existingChips); 2771 if (mRemovedSpans != null) { 2772 originalRecipients.addAll(mRemovedSpans); 2773 } 2774 2775 final List<DrawableRecipientChip> replacements = 2776 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2777 2778 for (final DrawableRecipientChip chip : originalRecipients) { 2779 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2780 && getSpannable().getSpanStart(chip) != -1) { 2781 replacements.add(createFreeChip(chip.getEntry())); 2782 } else { 2783 replacements.add(null); 2784 } 2785 } 2786 2787 processReplacements(originalRecipients, replacements); 2788 } 2789 2790 @Override 2791 protected Void doInBackground(Void... params) { 2792 if (mIndividualReplacements != null) { 2793 mIndividualReplacements.cancel(true); 2794 } 2795 // For each chip in the list, look up the matching contact. 2796 // If there is a match, replace that chip with the matching 2797 // chip. 2798 final ArrayList<DrawableRecipientChip> recipients = 2799 new ArrayList<DrawableRecipientChip>(); 2800 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2801 Collections.addAll(recipients, existingChips); 2802 if (mRemovedSpans != null) { 2803 recipients.addAll(mRemovedSpans); 2804 } 2805 ArrayList<String> addresses = new ArrayList<String>(); 2806 for (DrawableRecipientChip chip : recipients) { 2807 if (chip != null) { 2808 addresses.add(createAddressText(chip.getEntry())); 2809 } 2810 } 2811 final BaseRecipientAdapter adapter = getAdapter(); 2812 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2813 @Override 2814 public void matchesFound(Map<String, RecipientEntry> entries) { 2815 final ArrayList<DrawableRecipientChip> replacements = 2816 new ArrayList<DrawableRecipientChip>(); 2817 for (final DrawableRecipientChip temp : recipients) { 2818 RecipientEntry entry = null; 2819 if (temp != null && RecipientEntry.isCreatedRecipient( 2820 temp.getEntry().getContactId()) 2821 && getSpannable().getSpanStart(temp) != -1) { 2822 // Replace this. 2823 entry = createValidatedEntry( 2824 entries.get(tokenizeAddress(temp.getEntry() 2825 .getDestination()))); 2826 } 2827 if (entry != null) { 2828 replacements.add(createFreeChip(entry)); 2829 } else { 2830 replacements.add(null); 2831 } 2832 } 2833 processReplacements(recipients, replacements); 2834 } 2835 2836 @Override 2837 public void matchesNotFound(final Set<String> unfoundAddresses) { 2838 final List<DrawableRecipientChip> replacements = 2839 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2840 2841 for (final DrawableRecipientChip temp : recipients) { 2842 if (temp != null && RecipientEntry.isCreatedRecipient( 2843 temp.getEntry().getContactId()) 2844 && getSpannable().getSpanStart(temp) != -1) { 2845 if (unfoundAddresses.contains( 2846 temp.getEntry().getDestination())) { 2847 replacements.add(createFreeChip(temp.getEntry())); 2848 } else { 2849 replacements.add(null); 2850 } 2851 } else { 2852 replacements.add(null); 2853 } 2854 } 2855 2856 processReplacements(recipients, replacements); 2857 } 2858 }); 2859 return null; 2860 } 2861 2862 private void processReplacements(final List<DrawableRecipientChip> recipients, 2863 final List<DrawableRecipientChip> replacements) { 2864 if (replacements != null && replacements.size() > 0) { 2865 final Runnable runnable = new Runnable() { 2866 @Override 2867 public void run() { 2868 final Editable text = new SpannableStringBuilder(getText()); 2869 int i = 0; 2870 for (final DrawableRecipientChip chip : recipients) { 2871 final DrawableRecipientChip replacement = replacements.get(i); 2872 if (replacement != null) { 2873 final RecipientEntry oldEntry = chip.getEntry(); 2874 final RecipientEntry newEntry = replacement.getEntry(); 2875 final boolean isBetter = 2876 RecipientAlternatesAdapter.getBetterRecipient( 2877 oldEntry, newEntry) == newEntry; 2878 2879 if (isBetter) { 2880 // Find the location of the chip in the text currently shown. 2881 final int start = text.getSpanStart(chip); 2882 if (start != -1) { 2883 // Replacing the entirety of what the chip represented, 2884 // including the extra space dividing it from other chips. 2885 final int end = 2886 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2887 text.removeSpan(chip); 2888 // Make sure we always have just 1 space at the end to 2889 // separate this chip from the next chip. 2890 final SpannableString displayText = 2891 new SpannableString(createAddressText( 2892 replacement.getEntry()).trim() + " "); 2893 displayText.setSpan(replacement, 0, 2894 displayText.length() - 1, 2895 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2896 // Replace the old text we found with with the new display 2897 // text, which now may also contain the display name of the 2898 // recipient. 2899 text.replace(start, end, displayText); 2900 replacement.setOriginalText(displayText.toString()); 2901 replacements.set(i, null); 2902 2903 recipients.set(i, replacement); 2904 } 2905 } 2906 } 2907 i++; 2908 } 2909 setText(text); 2910 } 2911 }; 2912 2913 if (Looper.myLooper() == Looper.getMainLooper()) { 2914 runnable.run(); 2915 } else { 2916 mHandler.post(runnable); 2917 } 2918 } 2919 } 2920 } 2921 2922 private class IndividualReplacementTask 2923 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2924 @Override 2925 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2926 // For each chip in the list, look up the matching contact. 2927 // If there is a match, replace that chip with the matching 2928 // chip. 2929 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2930 ArrayList<String> addresses = new ArrayList<String>(); 2931 for (DrawableRecipientChip chip : originalRecipients) { 2932 if (chip != null) { 2933 addresses.add(createAddressText(chip.getEntry())); 2934 } 2935 } 2936 final BaseRecipientAdapter adapter = getAdapter(); 2937 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2938 2939 @Override 2940 public void matchesFound(Map<String, RecipientEntry> entries) { 2941 for (final DrawableRecipientChip temp : originalRecipients) { 2942 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2943 .getContactId()) 2944 && getSpannable().getSpanStart(temp) != -1) { 2945 // Replace this. 2946 final RecipientEntry entry = createValidatedEntry(entries 2947 .get(tokenizeAddress(temp.getEntry().getDestination()) 2948 .toLowerCase())); 2949 if (entry != null) { 2950 mHandler.post(new Runnable() { 2951 @Override 2952 public void run() { 2953 replaceChip(temp, entry); 2954 } 2955 }); 2956 } 2957 } 2958 } 2959 } 2960 2961 @Override 2962 public void matchesNotFound(final Set<String> unfoundAddresses) { 2963 // No action required 2964 } 2965 }); 2966 return null; 2967 } 2968 } 2969 2970 2971 /** 2972 * MoreImageSpan is a simple class created for tracking the existence of a 2973 * more chip across activity restarts/ 2974 */ 2975 private class MoreImageSpan extends ReplacementDrawableSpan { 2976 public MoreImageSpan(Drawable b) { 2977 super(b); 2978 setExtraMargin(mLineSpacingExtra); 2979 } 2980 } 2981 2982 @Override 2983 public boolean onDown(MotionEvent e) { 2984 return false; 2985 } 2986 2987 @Override 2988 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2989 // Do nothing. 2990 return false; 2991 } 2992 2993 @Override 2994 public void onLongPress(MotionEvent event) { 2995 if (mSelectedChip != null) { 2996 return; 2997 } 2998 float x = event.getX(); 2999 float y = event.getY(); 3000 final int offset = putOffsetInRange(x, y); 3001 DrawableRecipientChip currentChip = findChip(offset); 3002 if (currentChip != null) { 3003 if (mDragEnabled) { 3004 // Start drag-and-drop for the selected chip. 3005 startDrag(currentChip); 3006 } else { 3007 // Copy the selected chip email address. 3008 showCopyDialog(currentChip.getEntry().getDestination()); 3009 } 3010 } 3011 } 3012 3013 // The following methods are used to provide some functionality on older versions of Android 3014 // These methods were copied out of JB MR2's TextView 3015 ///////////////////////////////////////////////// 3016 private int supportGetOffsetForPosition(float x, float y) { 3017 if (getLayout() == null) return -1; 3018 final int line = supportGetLineAtCoordinate(y); 3019 return supportGetOffsetAtCoordinate(line, x); 3020 } 3021 3022 private float supportConvertToLocalHorizontalCoordinate(float x) { 3023 x -= getTotalPaddingLeft(); 3024 // Clamp the position to inside of the view. 3025 x = Math.max(0.0f, x); 3026 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 3027 x += getScrollX(); 3028 return x; 3029 } 3030 3031 private int supportGetLineAtCoordinate(float y) { 3032 y -= getTotalPaddingLeft(); 3033 // Clamp the position to inside of the view. 3034 y = Math.max(0.0f, y); 3035 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 3036 y += getScrollY(); 3037 return getLayout().getLineForVertical((int) y); 3038 } 3039 3040 private int supportGetOffsetAtCoordinate(int line, float x) { 3041 x = supportConvertToLocalHorizontalCoordinate(x); 3042 return getLayout().getOffsetForHorizontal(line, x); 3043 } 3044 ///////////////////////////////////////////////// 3045 3046 /** 3047 * Enables drag-and-drop for chips. 3048 */ 3049 public void enableDrag() { 3050 mDragEnabled = true; 3051 } 3052 3053 /** 3054 * Starts drag-and-drop for the selected chip. 3055 */ 3056 private void startDrag(DrawableRecipientChip currentChip) { 3057 String address = currentChip.getEntry().getDestination(); 3058 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 3059 3060 // Start drag mode. 3061 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 3062 3063 // Remove the current chip, so drag-and-drop will result in a move. 3064 // TODO (phamm): consider readd this chip if it's dropped outside a target. 3065 removeChip(currentChip); 3066 } 3067 3068 /** 3069 * Handles drag event. 3070 */ 3071 @Override 3072 public boolean onDragEvent(@NonNull DragEvent event) { 3073 switch (event.getAction()) { 3074 case DragEvent.ACTION_DRAG_STARTED: 3075 // Only handle plain text drag and drop. 3076 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 3077 case DragEvent.ACTION_DRAG_ENTERED: 3078 requestFocus(); 3079 return true; 3080 case DragEvent.ACTION_DROP: 3081 handlePasteClip(event.getClipData()); 3082 return true; 3083 } 3084 return false; 3085 } 3086 3087 /** 3088 * Drag shadow for a {@link DrawableRecipientChip}. 3089 */ 3090 private final class RecipientChipShadow extends DragShadowBuilder { 3091 private final DrawableRecipientChip mChip; 3092 3093 public RecipientChipShadow(DrawableRecipientChip chip) { 3094 mChip = chip; 3095 } 3096 3097 @Override 3098 public void onProvideShadowMetrics(@NonNull Point shadowSize, 3099 @NonNull Point shadowTouchPoint) { 3100 Rect rect = mChip.getBounds(); 3101 shadowSize.set(rect.width(), rect.height()); 3102 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3103 } 3104 3105 @Override 3106 public void onDrawShadow(@NonNull Canvas canvas) { 3107 mChip.draw(canvas); 3108 } 3109 } 3110 3111 private void showCopyDialog(final String address) { 3112 final Context context = getContext(); 3113 if (!mAttachedToWindow || context == null || !(context instanceof Activity)) { 3114 return; 3115 } 3116 3117 final DialogFragment fragment = CopyDialog.newInstance(address); 3118 fragment.show(((Activity) context).getFragmentManager(), CopyDialog.TAG); 3119 } 3120 3121 @Override 3122 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3123 // Do nothing. 3124 return false; 3125 } 3126 3127 @Override 3128 public void onShowPress(MotionEvent e) { 3129 // Do nothing. 3130 } 3131 3132 @Override 3133 public boolean onSingleTapUp(MotionEvent e) { 3134 // Do nothing. 3135 return false; 3136 } 3137 3138 protected boolean isPhoneQuery() { 3139 return getAdapter() != null 3140 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3141 } 3142 3143 @Override 3144 public BaseRecipientAdapter getAdapter() { 3145 return (BaseRecipientAdapter) super.getAdapter(); 3146 } 3147 3148 /** 3149 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3150 * unfinished text at the end. 3151 */ 3152 public void appendRecipientEntry(final RecipientEntry entry) { 3153 clearComposingText(); 3154 3155 final Editable editable = getText(); 3156 int chipInsertionPoint = 0; 3157 3158 // Find the end of last chip and see if there's any unchipified text. 3159 final DrawableRecipientChip[] recips = getSortedRecipients(); 3160 if (recips != null && recips.length > 0) { 3161 final DrawableRecipientChip last = recips[recips.length - 1]; 3162 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3163 // the insertion point will be kept untouched. 3164 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3165 } 3166 3167 final CharSequence chip = createChip(entry); 3168 if (chip != null) { 3169 editable.insert(chipInsertionPoint, chip); 3170 } 3171 } 3172 3173 /** 3174 * Remove all chips matching the given RecipientEntry. 3175 */ 3176 public void removeRecipientEntry(final RecipientEntry entry) { 3177 final DrawableRecipientChip[] recips = getText() 3178 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3179 3180 for (final DrawableRecipientChip recipient : recips) { 3181 final RecipientEntry existingEntry = recipient.getEntry(); 3182 if (existingEntry != null && existingEntry.isValid() && 3183 existingEntry.isSamePerson(entry)) { 3184 removeChip(recipient); 3185 } 3186 } 3187 } 3188 3189 public void setAlternatePopupAnchor(View v) { 3190 mAlternatePopupAnchor = v; 3191 } 3192 3193 @Override 3194 public void setVisibility(int visibility) { 3195 super.setVisibility(visibility); 3196 3197 if (visibility != GONE && mRequiresShrinkWhenNotGone) { 3198 mRequiresShrinkWhenNotGone = false; 3199 mHandler.post(mDelayedShrink); 3200 } 3201 } 3202 3203 private static class ChipBitmapContainer { 3204 Bitmap bitmap; 3205 // information used for positioning the loaded icon 3206 boolean loadIcon = true; 3207 float left; 3208 float top; 3209 float right; 3210 float bottom; 3211 } 3212} 3213