RecipientEditTextView.java revision c6eee84a4d34b4c6b7d38a0dc3a5a3fd83b4f3c8
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 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.text.Editable; 51import android.text.InputType; 52import android.text.Layout; 53import android.text.Spannable; 54import android.text.SpannableString; 55import android.text.SpannableStringBuilder; 56import android.text.Spanned; 57import android.text.TextPaint; 58import android.text.TextUtils; 59import android.text.TextWatcher; 60import android.text.method.QwertyKeyListener; 61import android.text.util.Rfc822Token; 62import android.text.util.Rfc822Tokenizer; 63import android.util.AttributeSet; 64import android.util.Log; 65import android.util.TypedValue; 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.View.OnClickListener; 77import android.view.ViewParent; 78import android.view.inputmethod.EditorInfo; 79import android.view.inputmethod.InputConnection; 80import android.widget.AdapterView; 81import android.widget.AdapterView.OnItemClickListener; 82import android.widget.Button; 83import android.widget.Filterable; 84import android.widget.ListAdapter; 85import android.widget.ListPopupWindow; 86import android.widget.ListView; 87import android.widget.MultiAutoCompleteTextView; 88import android.widget.ScrollView; 89import android.widget.TextView; 90 91import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 92import com.android.ex.chips.recipientchip.DrawableRecipientChip; 93import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 94import com.android.ex.chips.recipientchip.ReplacementDrawableSpan; 95import com.android.ex.chips.recipientchip.VisibleRecipientChip; 96 97import java.util.ArrayList; 98import java.util.Arrays; 99import java.util.Collections; 100import java.util.Comparator; 101import java.util.List; 102import java.util.Map; 103import java.util.Set; 104import java.util.regex.Matcher; 105import java.util.regex.Pattern; 106 107/** 108 * RecipientEditTextView is an auto complete text view for use with applications 109 * that use the new Chips UI for addressing a message to recipients. 110 */ 111public class RecipientEditTextView extends MultiAutoCompleteTextView implements 112 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 113 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 114 TextView.OnEditorActionListener, DropdownChipLayouter.ChipDeleteListener { 115 private static final String TAG = "RecipientEditTextView"; 116 117 private static final char COMMIT_CHAR_COMMA = ','; 118 private static final char COMMIT_CHAR_SEMICOLON = ';'; 119 private static final char COMMIT_CHAR_SPACE = ' '; 120 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 121 + String.valueOf(COMMIT_CHAR_SPACE); 122 123 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 124 // parens, so numbers such as "1 (425) 222-2342" match. 125 private static final Pattern PHONE_PATTERN 126 = Pattern.compile( // sdd = space, dot, or dash 127 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 128 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 129 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 130 131 private static final int DISMISS = "dismiss".hashCode(); 132 private static final long DISMISS_DELAY = 300; 133 134 // TODO: get correct number/ algorithm from with UX. 135 // Visible for testing. 136 /*package*/ static final int CHIP_LIMIT = 2; 137 138 private static final int MAX_CHIPS_PARSED = 50; 139 140 private static int sSelectedTextColor = -1; 141 private static int sExcessTopPadding = -1; 142 143 // Resources for displaying chips. 144 private Drawable mChipBackground = null; 145 private Drawable mChipDelete = null; 146 private Drawable mInvalidChipBackground; 147 private Drawable mChipBackgroundPressed; 148 149 // Possible attr overrides 150 private float mChipHeight; 151 private float mChipFontSize; 152 private float mLineSpacingExtra; 153 private int mChipTextStartPadding; 154 private int mChipTextEndPadding; 155 private final int mTextHeight; 156 private boolean mDisableDelete; 157 private int mMaxLines; 158 private int mActionBarHeight; 159 160 /** 161 * Enumerator for avatar position. See attr.xml for more details. 162 * 0 for end, 1 for start. 163 */ 164 private int mAvatarPosition; 165 private static final int AVATAR_POSITION_END = 0; 166 private static final int AVATAR_POSITION_START = 1; 167 168 private Paint mWorkPaint = new Paint(); 169 170 private Tokenizer mTokenizer; 171 private Validator mValidator; 172 private Handler mHandler; 173 private TextWatcher mTextWatcher; 174 private DropdownChipLayouter mDropdownChipLayouter; 175 176 private ListPopupWindow mAlternatesPopup; 177 private ListPopupWindow mAddressPopup; 178 private View mAlternatePopupAnchor; 179 private OnItemClickListener mAlternatesListener; 180 181 private DrawableRecipientChip mSelectedChip; 182 private Bitmap mDefaultContactPhoto; 183 private ReplacementDrawableSpan mMoreChip; 184 private TextView mMoreItem; 185 186 // VisibleForTesting 187 final ArrayList<String> mPendingChips = new ArrayList<String>(); 188 189 190 private int mPendingChipsCount = 0; 191 private int mCheckedItem; 192 private boolean mNoChips = false; 193 private boolean mShouldShrink = true; 194 195 // VisibleForTesting 196 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 197 198 private ArrayList<DrawableRecipientChip> mRemovedSpans; 199 200 // Chip copy fields. 201 private GestureDetector mGestureDetector; 202 private Dialog mCopyDialog; 203 private String mCopyAddress; 204 205 // Obtain the enclosing scroll view, if it exists, so that the view can be 206 // scrolled to show the last line of chips content. 207 private ScrollView mScrollView; 208 private boolean mTriedGettingScrollView; 209 private boolean mDragEnabled = false; 210 211 private boolean mAttachedToWindow; 212 213 private final Runnable mAddTextWatcher = new Runnable() { 214 @Override 215 public void run() { 216 if (mTextWatcher == null) { 217 mTextWatcher = new RecipientTextWatcher(); 218 addTextChangedListener(mTextWatcher); 219 } 220 } 221 }; 222 223 private IndividualReplacementTask mIndividualReplacements; 224 225 private Runnable mHandlePendingChips = new Runnable() { 226 227 @Override 228 public void run() { 229 handlePendingChips(); 230 } 231 232 }; 233 234 private Runnable mDelayedShrink = new Runnable() { 235 236 @Override 237 public void run() { 238 shrink(); 239 } 240 241 }; 242 243 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 244 245 public interface RecipientEntryItemClickedListener { 246 /** 247 * Callback that occurs whenever an auto-complete suggestion is clicked. 248 * @param charactersTyped the number of characters typed by the user to provide the 249 * auto-complete suggestions. 250 * @param position the position in the dropdown list that the user clicked 251 */ 252 void onRecipientEntryItemClicked(int charactersTyped, int position); 253 } 254 255 public RecipientEditTextView(Context context, AttributeSet attrs) { 256 super(context, attrs); 257 setChipDimensions(context, attrs); 258 mTextHeight = calculateTextHeight(); 259 if (sSelectedTextColor == -1) { 260 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 261 } 262 mAlternatesPopup = new ListPopupWindow(context); 263 mAlternatesPopup.setBackgroundDrawable(null); 264 mAddressPopup = new ListPopupWindow(context); 265 mAddressPopup.setBackgroundDrawable(null); 266 mCopyDialog = new Dialog(context); 267 mAlternatesListener = new OnItemClickListener() { 268 @Override 269 public void onItemClick(AdapterView<?> adapterView,View view, int position, 270 long rowId) { 271 mAlternatesPopup.setOnItemClickListener(null); 272 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 273 .getRecipientEntry(position)); 274 Message delayed = Message.obtain(mHandler, DISMISS); 275 delayed.obj = mAlternatesPopup; 276 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 277 clearComposingText(); 278 } 279 }; 280 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 281 setOnItemClickListener(this); 282 setCustomSelectionActionModeCallback(this); 283 mHandler = new Handler() { 284 @Override 285 public void handleMessage(Message msg) { 286 if (msg.what == DISMISS) { 287 ((ListPopupWindow) msg.obj).dismiss(); 288 return; 289 } 290 super.handleMessage(msg); 291 } 292 }; 293 mTextWatcher = new RecipientTextWatcher(); 294 addTextChangedListener(mTextWatcher); 295 mGestureDetector = new GestureDetector(context, this); 296 setOnEditorActionListener(this); 297 298 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 299 } 300 301 private int calculateTextHeight() { 302 final Rect textBounds = new Rect(); 303 final TextPaint paint = getPaint(); 304 305 textBounds.setEmpty(); 306 // First measure the bounds of a sample text. 307 final String textHeightSample = "a"; 308 paint.getTextBounds(textHeightSample, 0, textHeightSample.length(), textBounds); 309 310 textBounds.left = 0; 311 textBounds.right = 0; 312 313 return textBounds.height(); 314 } 315 316 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 317 mDropdownChipLayouter = dropdownChipLayouter; 318 mDropdownChipLayouter.setDeleteListener(this); 319 } 320 321 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 322 mRecipientEntryItemClickedListener = listener; 323 } 324 325 @Override 326 protected void onDetachedFromWindow() { 327 super.onDetachedFromWindow(); 328 mAttachedToWindow = false; 329 } 330 331 @Override 332 protected void onAttachedToWindow() { 333 super.onAttachedToWindow(); 334 mAttachedToWindow = true; 335 } 336 337 @Override 338 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 339 if (action == EditorInfo.IME_ACTION_DONE) { 340 if (commitDefault()) { 341 return true; 342 } 343 if (mSelectedChip != null) { 344 clearSelectedChip(); 345 return true; 346 } else if (focusNext()) { 347 return true; 348 } 349 } 350 return false; 351 } 352 353 @Override 354 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 355 InputConnection connection = super.onCreateInputConnection(outAttrs); 356 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 357 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 358 // clear the existing action 359 outAttrs.imeOptions ^= imeActions; 360 // set the DONE action 361 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 362 } 363 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 364 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 365 } 366 367 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 368 outAttrs.actionLabel = getContext().getString(R.string.action_label); 369 return connection; 370 } 371 372 /*package*/ DrawableRecipientChip getLastChip() { 373 DrawableRecipientChip last = null; 374 DrawableRecipientChip[] chips = getSortedRecipients(); 375 if (chips != null && chips.length > 0) { 376 last = chips[chips.length - 1]; 377 } 378 return last; 379 } 380 381 /** 382 * @return The list of {@link RecipientEntry}s that have been selected by the user. 383 */ 384 public List<RecipientEntry> getSelectedRecipients() { 385 DrawableRecipientChip[] chips = 386 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 387 List<RecipientEntry> results = new ArrayList(); 388 if (chips == null) { 389 return results; 390 } 391 392 for (DrawableRecipientChip c : chips) { 393 results.add(c.getEntry()); 394 } 395 396 return results; 397 } 398 399 @Override 400 public void onSelectionChanged(int start, int end) { 401 // When selection changes, see if it is inside the chips area. 402 // If so, move the cursor back after the chips again. 403 DrawableRecipientChip last = getLastChip(); 404 if (last != null && start < getSpannable().getSpanEnd(last)) { 405 // Grab the last chip and set the cursor to after it. 406 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 407 } 408 super.onSelectionChanged(start, end); 409 } 410 411 @Override 412 public void onRestoreInstanceState(Parcelable state) { 413 if (!TextUtils.isEmpty(getText())) { 414 super.onRestoreInstanceState(null); 415 } else { 416 super.onRestoreInstanceState(state); 417 } 418 } 419 420 @Override 421 public Parcelable onSaveInstanceState() { 422 // If the user changes orientation while they are editing, just roll back the selection. 423 clearSelectedChip(); 424 return super.onSaveInstanceState(); 425 } 426 427 /** 428 * Convenience method: Append the specified text slice to the TextView's 429 * display buffer, upgrading it to BufferType.EDITABLE if it was 430 * not already editable. Commas are excluded as they are added automatically 431 * by the view. 432 */ 433 @Override 434 public void append(CharSequence text, int start, int end) { 435 // We don't care about watching text changes while appending. 436 if (mTextWatcher != null) { 437 removeTextChangedListener(mTextWatcher); 438 } 439 super.append(text, start, end); 440 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 441 String displayString = text.toString(); 442 443 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 444 // We have no separator, so we should add it 445 super.append(SEPARATOR, 0, SEPARATOR.length()); 446 displayString += SEPARATOR; 447 } 448 449 if (!TextUtils.isEmpty(displayString) 450 && TextUtils.getTrimmedLength(displayString) > 0) { 451 mPendingChipsCount++; 452 mPendingChips.add(displayString); 453 } 454 } 455 // Put a message on the queue to make sure we ALWAYS handle pending 456 // chips. 457 if (mPendingChipsCount > 0) { 458 postHandlePendingChips(); 459 } 460 mHandler.post(mAddTextWatcher); 461 } 462 463 @Override 464 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 465 super.onFocusChanged(hasFocus, direction, previous); 466 if (!hasFocus) { 467 shrink(); 468 } else { 469 expand(); 470 } 471 } 472 473 private int getExcessTopPadding() { 474 if (sExcessTopPadding == -1) { 475 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 476 } 477 return sExcessTopPadding; 478 } 479 480 @Override 481 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 482 super.setAdapter(adapter); 483 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 484 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 485 @Override 486 public void onChanged(List<RecipientEntry> entries) { 487 // Scroll the chips field to the top of the screen so 488 // that the user can see as many results as possible. 489 if (entries != null && entries.size() > 0) { 490 scrollBottomIntoView(); 491 } 492 } 493 }); 494 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 495 } 496 497 protected void scrollBottomIntoView() { 498 if (mScrollView != null && mShouldShrink) { 499 int[] location = new int[2]; 500 getLocationOnScreen(location); 501 int height = getHeight(); 502 int currentPos = location[1] + height; 503 // Desired position shows at least 1 line of chips below the action 504 // bar. We add excess padding to make sure this is always below other 505 // content. 506 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 507 if (currentPos > desiredPos) { 508 mScrollView.scrollBy(0, currentPos - desiredPos); 509 } 510 } 511 } 512 513 protected ScrollView getScrollView() { 514 return mScrollView; 515 } 516 517 @Override 518 public void performValidation() { 519 // Do nothing. Chips handles its own validation. 520 } 521 522 private void shrink() { 523 if (mTokenizer == null) { 524 return; 525 } 526 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 527 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 528 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 529 clearSelectedChip(); 530 } else { 531 if (getWidth() <= 0) { 532 // We don't have the width yet which means the view hasn't been drawn yet 533 // and there is no reason to attempt to commit chips yet. 534 // This focus lost must be the result of an orientation change 535 // or an initial rendering. 536 // Re-post the shrink for later. 537 mHandler.removeCallbacks(mDelayedShrink); 538 mHandler.post(mDelayedShrink); 539 return; 540 } 541 // Reset any pending chips as they would have been handled 542 // when the field lost focus. 543 if (mPendingChipsCount > 0) { 544 postHandlePendingChips(); 545 } else { 546 Editable editable = getText(); 547 int end = getSelectionEnd(); 548 int start = mTokenizer.findTokenStart(editable, end); 549 DrawableRecipientChip[] chips = 550 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 551 if ((chips == null || chips.length == 0)) { 552 Editable text = getText(); 553 int whatEnd = mTokenizer.findTokenEnd(text, start); 554 // This token was already tokenized, so skip past the ending token. 555 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 556 whatEnd = movePastTerminators(whatEnd); 557 } 558 // In the middle of chip; treat this as an edit 559 // and commit the whole token. 560 int selEnd = getSelectionEnd(); 561 if (whatEnd != selEnd) { 562 handleEdit(start, whatEnd); 563 } else { 564 commitChip(start, end, editable); 565 } 566 } 567 } 568 mHandler.post(mAddTextWatcher); 569 } 570 createMoreChip(); 571 } 572 573 private void expand() { 574 if (mShouldShrink) { 575 setMaxLines(Integer.MAX_VALUE); 576 } 577 removeMoreChip(); 578 setCursorVisible(true); 579 Editable text = getText(); 580 setSelection(text != null && text.length() > 0 ? text.length() : 0); 581 // If there are any temporary chips, try replacing them now that the user 582 // has expanded the field. 583 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 584 new RecipientReplacementTask().execute(); 585 mTemporaryRecipients = null; 586 } 587 } 588 589 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 590 paint.setTextSize(mChipFontSize); 591 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 592 Log.d(TAG, "Max width is negative: " + maxWidth); 593 } 594 return TextUtils.ellipsize(text, paint, maxWidth, 595 TextUtils.TruncateAt.END); 596 } 597 598 /** 599 * Creates a bitmap of the given contact on a selected chip. 600 * 601 * @param contact The recipient entry to pull data from. 602 * @param paint The paint to use to draw the bitmap. 603 */ 604 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 605 paint.setColor(sSelectedTextColor); 606 final ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 607 mChipBackgroundPressed, getResources().getColor(R.color.chip_background_selected)); 608 609 if (bitmapContainer.loadIcon) { 610 loadAvatarIcon(contact, bitmapContainer); 611 } 612 613 return bitmapContainer.bitmap; 614 } 615 616 /** 617 * Creates a bitmap of the given contact on a selected chip. 618 * 619 * @param contact The recipient entry to pull data from. 620 * @param paint The paint to use to draw the bitmap. 621 */ 622 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 623 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 624 ChipBitmapContainer bitmapContainer = createChipBitmap(contact, paint, 625 getChipBackground(contact), getDefaultChipBackgroundColor(contact)); 626 627 if (bitmapContainer.loadIcon) { 628 loadAvatarIcon(contact, bitmapContainer); 629 } 630 return bitmapContainer.bitmap; 631 } 632 633 private ChipBitmapContainer createChipBitmap(RecipientEntry contact, TextPaint paint, 634 Drawable overrideBackgroundDrawable, int backgroundColor) { 635 final ChipBitmapContainer result = new ChipBitmapContainer(); 636 637 Rect backgroundPadding = new Rect(); 638 if (overrideBackgroundDrawable != null) { 639 overrideBackgroundDrawable.getPadding(backgroundPadding); 640 } 641 642 // Ellipsize the text so that it takes AT MOST the entire width of the 643 // autocomplete text entry area. Make sure to leave space for padding 644 // on the sides. 645 int height = (int) mChipHeight; 646 // Since the icon is a square, it's width is equal to the maximum height it can be inside 647 // the chip. Don't include iconWidth for invalid contacts. 648 int iconWidth = contact.isValid() ? 649 height - backgroundPadding.top - backgroundPadding.bottom : 0; 650 float[] widths = new float[1]; 651 paint.getTextWidths(" ", widths); 652 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 653 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 654 - backgroundPadding.right); 655 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 656 657 // Chip start padding is the same as the end padding if there is no contact image. 658 final int startPadding = contact.isValid() ? mChipTextStartPadding : mChipTextEndPadding; 659 // Make sure there is a minimum chip width so the user can ALWAYS 660 // tap a chip without difficulty. 661 int width = Math.max(iconWidth * 2, textWidth + startPadding + mChipTextEndPadding 662 + iconWidth + backgroundPadding.left + backgroundPadding.right); 663 664 // Create the background of the chip. 665 result.bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 666 final Canvas canvas = new Canvas(result.bitmap); 667 668 // Check if the background drawable is set via attr 669 if (overrideBackgroundDrawable != null) { 670 overrideBackgroundDrawable.setBounds(0, 0, width, height); 671 overrideBackgroundDrawable.draw(canvas); 672 } else { 673 // Draw the default chip background 674 mWorkPaint.reset(); 675 mWorkPaint.setColor(backgroundColor); 676 mWorkPaint.setAntiAlias(true); 677 final float radius = height / 2; 678 canvas.drawRoundRect(new RectF(0, 0, width, height), radius, radius, 679 mWorkPaint); 680 } 681 682 // Draw the text vertically aligned 683 int textX = shouldPositionAvatarOnRight() ? 684 mChipTextEndPadding + backgroundPadding.left : 685 width - backgroundPadding.right - mChipTextEndPadding - textWidth; 686 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 687 textX, getTextYOffset(height), paint); 688 689 // Set the variables that are needed to draw the icon bitmap once it's loaded 690 int iconX = shouldPositionAvatarOnRight() ? width - backgroundPadding.right - iconWidth : 691 backgroundPadding.left; 692 result.left = iconX; 693 result.top = backgroundPadding.top; 694 result.right = iconX + iconWidth; 695 result.bottom = height - backgroundPadding.bottom; 696 697 return result; 698 } 699 700 /** 701 * Helper function that draws the loaded icon bitmap into the chips bitmap 702 */ 703 private void drawIcon(ChipBitmapContainer bitMapResult, Bitmap icon) { 704 final Canvas canvas = new Canvas(bitMapResult.bitmap); 705 final RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 706 final RectF dst = new RectF(bitMapResult.left, bitMapResult.top, bitMapResult.right, 707 bitMapResult.bottom); 708 drawIconOnCanvas(icon, canvas, src, dst); 709 } 710 711 /** 712 * Returns true if the avatar should be positioned at the right edge of the chip. 713 * Takes into account both the set avatar position (start or end) as well as whether 714 * the layout direction is LTR or RTL. 715 */ 716 private boolean shouldPositionAvatarOnRight() { 717 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 718 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 719 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 720 // If in Rtl mode, the position should be flipped. 721 return isRtl ? !assignedPosition : assignedPosition; 722 } 723 724 /** 725 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 726 * draw an icon for this recipient. 727 */ 728 private void loadAvatarIcon(final RecipientEntry contact, 729 final ChipBitmapContainer bitmapContainer) { 730 // Don't draw photos for recipients that have been typed in OR generated on the fly. 731 long contactId = contact.getContactId(); 732 boolean drawPhotos = isPhoneQuery() ? 733 contactId != RecipientEntry.INVALID_CONTACT 734 : (contactId != RecipientEntry.INVALID_CONTACT 735 && contactId != RecipientEntry.GENERATED_CONTACT); 736 737 if (drawPhotos) { 738 final byte[] origPhotoBytes = contact.getPhotoBytes(); 739 // There may not be a photo yet if anything but the first contact address 740 // was selected. 741 if (origPhotoBytes == null) { 742 // TODO: cache this in the recipient entry? 743 getAdapter().fetchPhoto(contact, new PhotoManager.PhotoManagerCallback() { 744 @Override 745 public void onPhotoBytesPopulated() { 746 // Call through to the async version which will ensure 747 // proper threading. 748 onPhotoBytesAsynchronouslyPopulated(); 749 } 750 751 @Override 752 public void onPhotoBytesAsynchronouslyPopulated() { 753 final byte[] loadedPhotoBytes = contact.getPhotoBytes(); 754 final Bitmap icon = BitmapFactory.decodeByteArray(loadedPhotoBytes, 0, 755 loadedPhotoBytes.length); 756 tryDrawAndInvalidate(icon); 757 } 758 759 @Override 760 public void onPhotoBytesAsyncLoadFailed() { 761 // TODO: can the scaled down default photo be cached? 762 tryDrawAndInvalidate(mDefaultContactPhoto); 763 } 764 765 private void tryDrawAndInvalidate(Bitmap icon) { 766 drawIcon(bitmapContainer, icon); 767 // The caller might originated from a background task. However, if the 768 // background task has already completed, the view might be already drawn 769 // on the UI but the callback would happen on the background thread. 770 // So if we are on a background thread, post an invalidate call to the UI. 771 if (Looper.myLooper() == Looper.getMainLooper()) { 772 // The view might not redraw itself since it's loaded asynchronously 773 invalidate(); 774 } else { 775 post(new Runnable() { 776 @Override 777 public void run() { 778 invalidate(); 779 } 780 }); 781 } 782 } 783 }); 784 } else { 785 final Bitmap icon = BitmapFactory.decodeByteArray(origPhotoBytes, 0, 786 origPhotoBytes.length); 787 drawIcon(bitmapContainer, icon); 788 } 789 } 790 } 791 792 /** 793 * Get the background drawable for a RecipientChip. 794 */ 795 // Visible for testing. 796 /* package */Drawable getChipBackground(RecipientEntry contact) { 797 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 798 } 799 800 private int getDefaultChipBackgroundColor(RecipientEntry contact) { 801 return getResources().getColor(contact.isValid() ? R.color.chip_background : 802 R.color.chip_background_invalid); 803 } 804 805 /** 806 * Given a height, returns a Y offset that will draw the text in the middle of the height. 807 */ 808 protected float getTextYOffset(int height) { 809 return height - ((height - mTextHeight) / 2); 810 } 811 812 /** 813 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 814 * rectangle of the canvas. 815 */ 816 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, RectF src, RectF dst) { 817 final Matrix matrix = new Matrix(); 818 819 // Draw bitmap through shader first. 820 final BitmapShader shader = new BitmapShader(icon, TileMode.CLAMP, TileMode.CLAMP); 821 matrix.reset(); 822 823 // Fit bitmap to bounds. 824 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 825 826 shader.setLocalMatrix(matrix); 827 mWorkPaint.reset(); 828 mWorkPaint.setShader(shader); 829 mWorkPaint.setAntiAlias(true); 830 mWorkPaint.setFilterBitmap(true); 831 mWorkPaint.setDither(true); 832 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f, mWorkPaint); 833 834 // Then draw the border. 835 final float borderWidth = 1f; 836 mWorkPaint.reset(); 837 mWorkPaint.setColor(Color.TRANSPARENT); 838 mWorkPaint.setStyle(Style.STROKE); 839 mWorkPaint.setStrokeWidth(borderWidth); 840 mWorkPaint.setAntiAlias(true); 841 canvas.drawCircle(dst.centerX(), dst.centerY(), dst.width() / 2f - borderWidth / 2, mWorkPaint); 842 843 mWorkPaint.reset(); 844 } 845 846 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) { 847 TextPaint paint = getPaint(); 848 float defaultSize = paint.getTextSize(); 849 int defaultColor = paint.getColor(); 850 851 Bitmap tmpBitmap; 852 if (pressed) { 853 tmpBitmap = createSelectedChip(contact, paint); 854 855 } else { 856 tmpBitmap = createUnselectedChip(contact, paint); 857 } 858 859 // Pass the full text, un-ellipsized, to the chip. 860 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 861 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 862 VisibleRecipientChip recipientChip = 863 new VisibleRecipientChip(result, contact); 864 recipientChip.setExtraMargin(mLineSpacingExtra); 865 // Return text to the original size. 866 paint.setTextSize(defaultSize); 867 paint.setColor(defaultColor); 868 return recipientChip; 869 } 870 871 /** 872 * Calculate the bottom of the line the chip will be located on using: 873 * 1) which line the chip appears on 874 * 2) the height of a chip 875 * 3) padding built into the edit text view 876 */ 877 private int calculateOffsetFromBottom(int line) { 878 // Line offsets start at zero. 879 int actualLine = getLineCount() - (line + 1); 880 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 881 + getDropDownVerticalOffset(); 882 } 883 884 /** 885 * Calculate the offset from bottom of the EditText to top of the provided line. 886 */ 887 private int calculateOffsetFromBottomToTop(int line) { 888 return -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 889 .abs(getLineCount() - line)) + getPaddingBottom()); 890 } 891 892 /** 893 * Get the max amount of space a chip can take up. The formula takes into 894 * account the width of the EditTextView, any view padding, and padding 895 * that will be added to the chip. 896 */ 897 private float calculateAvailableWidth() { 898 return getWidth() - getPaddingLeft() - getPaddingRight() - mChipTextStartPadding 899 - mChipTextEndPadding; 900 } 901 902 903 private void setChipDimensions(Context context, AttributeSet attrs) { 904 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 905 0); 906 Resources r = getContext().getResources(); 907 908 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 909 mChipBackgroundPressed = a 910 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 911 mInvalidChipBackground = a 912 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 913 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 914 if (mChipDelete == null) { 915 mChipDelete = r.getDrawable(R.drawable.ic_cancel_wht_24dp); 916 } 917 mChipTextStartPadding = mChipTextEndPadding 918 = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 919 if (mChipTextStartPadding == -1) { 920 mChipTextStartPadding = mChipTextEndPadding = 921 (int) r.getDimension(R.dimen.chip_padding); 922 } 923 // xml-overrides for each individual padding 924 // TODO: add these to attr? 925 int overridePadding = (int) r.getDimension(R.dimen.chip_padding_start); 926 if (overridePadding >= 0) { 927 mChipTextStartPadding = overridePadding; 928 } 929 overridePadding = (int) r.getDimension(R.dimen.chip_padding_end); 930 if (overridePadding >= 0) { 931 mChipTextEndPadding = overridePadding; 932 } 933 934 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 935 936 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 937 938 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 939 if (mChipHeight == -1) { 940 mChipHeight = r.getDimension(R.dimen.chip_height); 941 } 942 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 943 if (mChipFontSize == -1) { 944 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 945 } 946 mAvatarPosition = 947 a.getInt(R.styleable.RecipientEditTextView_avatarPosition, AVATAR_POSITION_START); 948 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 949 950 mMaxLines = r.getInteger(R.integer.chips_max_lines); 951 mLineSpacingExtra = r.getDimensionPixelOffset(R.dimen.line_spacing_extra); 952 TypedValue tv = new TypedValue(); 953 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 954 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 955 .getDisplayMetrics()); 956 } 957 958 a.recycle(); 959 } 960 961 // Visible for testing. 962 /* package */ void setMoreItem(TextView moreItem) { 963 mMoreItem = moreItem; 964 } 965 966 967 // Visible for testing. 968 /* package */ void setChipBackground(Drawable chipBackground) { 969 mChipBackground = chipBackground; 970 } 971 972 // Visible for testing. 973 /* package */ void setChipHeight(int height) { 974 mChipHeight = height; 975 } 976 977 public float getChipHeight() { 978 return mChipHeight; 979 } 980 981 /** 982 * Set whether to shrink the recipients field such that at most 983 * one line of recipients chips are shown when the field loses 984 * focus. By default, the number of displayed recipients will be 985 * limited and a "more" chip will be shown when focus is lost. 986 * @param shrink 987 */ 988 public void setOnFocusListShrinkRecipients(boolean shrink) { 989 mShouldShrink = shrink; 990 } 991 992 @Override 993 public void onSizeChanged(int width, int height, int oldw, int oldh) { 994 super.onSizeChanged(width, height, oldw, oldh); 995 if (width != 0 && height != 0) { 996 if (mPendingChipsCount > 0) { 997 postHandlePendingChips(); 998 } else { 999 checkChipWidths(); 1000 } 1001 } 1002 // Try to find the scroll view parent, if it exists. 1003 if (mScrollView == null && !mTriedGettingScrollView) { 1004 ViewParent parent = getParent(); 1005 while (parent != null && !(parent instanceof ScrollView)) { 1006 parent = parent.getParent(); 1007 } 1008 if (parent != null) { 1009 mScrollView = (ScrollView) parent; 1010 } 1011 mTriedGettingScrollView = true; 1012 } 1013 } 1014 1015 private void postHandlePendingChips() { 1016 mHandler.removeCallbacks(mHandlePendingChips); 1017 mHandler.post(mHandlePendingChips); 1018 } 1019 1020 private void checkChipWidths() { 1021 // Check the widths of the associated chips. 1022 DrawableRecipientChip[] chips = getSortedRecipients(); 1023 if (chips != null) { 1024 Rect bounds; 1025 for (DrawableRecipientChip chip : chips) { 1026 bounds = chip.getBounds(); 1027 if (getWidth() > 0 && bounds.right - bounds.left > 1028 getWidth() - getPaddingLeft() - getPaddingRight()) { 1029 // Need to redraw that chip. 1030 replaceChip(chip, chip.getEntry()); 1031 } 1032 } 1033 } 1034 } 1035 1036 // Visible for testing. 1037 /*package*/ void handlePendingChips() { 1038 if (getViewWidth() <= 0) { 1039 // The widget has not been sized yet. 1040 // This will be called as a result of onSizeChanged 1041 // at a later point. 1042 return; 1043 } 1044 if (mPendingChipsCount <= 0) { 1045 return; 1046 } 1047 1048 synchronized (mPendingChips) { 1049 Editable editable = getText(); 1050 // Tokenize! 1051 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 1052 for (int i = 0; i < mPendingChips.size(); i++) { 1053 String current = mPendingChips.get(i); 1054 int tokenStart = editable.toString().indexOf(current); 1055 // Always leave a space at the end between tokens. 1056 int tokenEnd = tokenStart + current.length() - 1; 1057 if (tokenStart >= 0) { 1058 // When we have a valid token, include it with the token 1059 // to the left. 1060 if (tokenEnd < editable.length() - 2 1061 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 1062 tokenEnd++; 1063 } 1064 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1065 || !mShouldShrink); 1066 } 1067 mPendingChipsCount--; 1068 } 1069 sanitizeEnd(); 1070 } else { 1071 mNoChips = true; 1072 } 1073 1074 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1075 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1076 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1077 new RecipientReplacementTask().execute(); 1078 mTemporaryRecipients = null; 1079 } else { 1080 // Create the "more" chip 1081 mIndividualReplacements = new IndividualReplacementTask(); 1082 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1083 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1084 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1085 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1086 mTemporaryRecipients.subList(CHIP_LIMIT, 1087 mTemporaryRecipients.size())); 1088 } else { 1089 mTemporaryRecipients = null; 1090 } 1091 createMoreChip(); 1092 } 1093 } else { 1094 // There are too many recipients to look up, so just fall back 1095 // to showing addresses for all of them. 1096 mTemporaryRecipients = null; 1097 createMoreChip(); 1098 } 1099 mPendingChipsCount = 0; 1100 mPendingChips.clear(); 1101 } 1102 } 1103 1104 // Visible for testing. 1105 /*package*/ int getViewWidth() { 1106 return getWidth(); 1107 } 1108 1109 /** 1110 * Remove any characters after the last valid chip. 1111 */ 1112 // Visible for testing. 1113 /*package*/ void sanitizeEnd() { 1114 // Don't sanitize while we are waiting for pending chips to complete. 1115 if (mPendingChipsCount > 0) { 1116 return; 1117 } 1118 // Find the last chip; eliminate any commit characters after it. 1119 DrawableRecipientChip[] chips = getSortedRecipients(); 1120 Spannable spannable = getSpannable(); 1121 if (chips != null && chips.length > 0) { 1122 int end; 1123 mMoreChip = getMoreChip(); 1124 if (mMoreChip != null) { 1125 end = spannable.getSpanEnd(mMoreChip); 1126 } else { 1127 end = getSpannable().getSpanEnd(getLastChip()); 1128 } 1129 Editable editable = getText(); 1130 int length = editable.length(); 1131 if (length > end) { 1132 // See what characters occur after that and eliminate them. 1133 if (Log.isLoggable(TAG, Log.DEBUG)) { 1134 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1135 + editable); 1136 } 1137 editable.delete(end + 1, length); 1138 } 1139 } 1140 } 1141 1142 /** 1143 * Create a chip that represents just the email address of a recipient. At some later 1144 * point, this chip will be attached to a real contact entry, if one exists. 1145 */ 1146 // VisibleForTesting 1147 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1148 boolean visible) { 1149 if (alreadyHasChip(tokenStart, tokenEnd)) { 1150 // There is already a chip present at this location. 1151 // Don't recreate it. 1152 return; 1153 } 1154 String token = editable.toString().substring(tokenStart, tokenEnd); 1155 final String trimmedToken = token.trim(); 1156 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1157 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1158 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1159 } 1160 RecipientEntry entry = createTokenizedEntry(token); 1161 if (entry != null) { 1162 DrawableRecipientChip chip = null; 1163 try { 1164 if (!mNoChips) { 1165 chip = visible ? 1166 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1167 } 1168 } catch (NullPointerException e) { 1169 Log.e(TAG, e.getMessage(), e); 1170 } 1171 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1172 // Add this chip to the list of entries "to replace" 1173 if (chip != null) { 1174 if (mTemporaryRecipients == null) { 1175 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1176 } 1177 chip.setOriginalText(token); 1178 mTemporaryRecipients.add(chip); 1179 } 1180 } 1181 } 1182 1183 private static boolean isPhoneNumber(String number) { 1184 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1185 // PhoneNumberUtil). One complication is that it requires the sender's region which 1186 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1187 if (TextUtils.isEmpty(number)) { 1188 return false; 1189 } 1190 1191 Matcher match = PHONE_PATTERN.matcher(number); 1192 return match.matches(); 1193 } 1194 1195 // VisibleForTesting 1196 RecipientEntry createTokenizedEntry(final String token) { 1197 if (TextUtils.isEmpty(token)) { 1198 return null; 1199 } 1200 if (isPhoneQuery() && isPhoneNumber(token)) { 1201 return RecipientEntry.constructFakePhoneEntry(token, true); 1202 } 1203 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1204 String display = null; 1205 boolean isValid = isValid(token); 1206 if (isValid && tokens != null && tokens.length > 0) { 1207 // If we can get a name from tokenizing, then generate an entry from 1208 // this. 1209 display = tokens[0].getName(); 1210 if (!TextUtils.isEmpty(display)) { 1211 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1212 isValid); 1213 } else { 1214 display = tokens[0].getAddress(); 1215 if (!TextUtils.isEmpty(display)) { 1216 return RecipientEntry.constructFakeEntry(display, isValid); 1217 } 1218 } 1219 } 1220 // Unable to validate the token or to create a valid token from it. 1221 // Just create a chip the user can edit. 1222 String validatedToken = null; 1223 if (mValidator != null && !isValid) { 1224 // Try fixing up the entry using the validator. 1225 validatedToken = mValidator.fixText(token).toString(); 1226 if (!TextUtils.isEmpty(validatedToken)) { 1227 if (validatedToken.contains(token)) { 1228 // protect against the case of a validator with a null 1229 // domain, 1230 // which doesn't add a domain to the token 1231 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1232 if (tokenized.length > 0) { 1233 validatedToken = tokenized[0].getAddress(); 1234 isValid = true; 1235 } 1236 } else { 1237 // We ran into a case where the token was invalid and 1238 // removed 1239 // by the validator. In this case, just use the original 1240 // token 1241 // and let the user sort out the error chip. 1242 validatedToken = null; 1243 isValid = false; 1244 } 1245 } 1246 } 1247 // Otherwise, fallback to just creating an editable email address chip. 1248 return RecipientEntry.constructFakeEntry( 1249 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1250 } 1251 1252 private boolean isValid(String text) { 1253 return mValidator == null ? true : mValidator.isValid(text); 1254 } 1255 1256 private static String tokenizeAddress(String destination) { 1257 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1258 if (tokens != null && tokens.length > 0) { 1259 return tokens[0].getAddress(); 1260 } 1261 return destination; 1262 } 1263 1264 @Override 1265 public void setTokenizer(Tokenizer tokenizer) { 1266 mTokenizer = tokenizer; 1267 super.setTokenizer(mTokenizer); 1268 } 1269 1270 @Override 1271 public void setValidator(Validator validator) { 1272 mValidator = validator; 1273 super.setValidator(validator); 1274 } 1275 1276 /** 1277 * We cannot use the default mechanism for replaceText. Instead, 1278 * we override onItemClickListener so we can get all the associated 1279 * contact information including display text, address, and id. 1280 */ 1281 @Override 1282 protected void replaceText(CharSequence text) { 1283 return; 1284 } 1285 1286 /** 1287 * Dismiss any selected chips when the back key is pressed. 1288 */ 1289 @Override 1290 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1291 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1292 clearSelectedChip(); 1293 return true; 1294 } 1295 return super.onKeyPreIme(keyCode, event); 1296 } 1297 1298 /** 1299 * Monitor key presses in this view to see if the user types 1300 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1301 * If the user has entered text that has contact matches and types 1302 * a commit key, create a chip from the topmost matching contact. 1303 * If the user has entered text that has no contact matches and types 1304 * a commit key, then create a chip from the text they have entered. 1305 */ 1306 @Override 1307 public boolean onKeyUp(int keyCode, KeyEvent event) { 1308 switch (keyCode) { 1309 case KeyEvent.KEYCODE_TAB: 1310 if (event.hasNoModifiers()) { 1311 if (mSelectedChip != null) { 1312 clearSelectedChip(); 1313 } else { 1314 commitDefault(); 1315 } 1316 } 1317 break; 1318 } 1319 return super.onKeyUp(keyCode, event); 1320 } 1321 1322 private boolean focusNext() { 1323 View next = focusSearch(View.FOCUS_DOWN); 1324 if (next != null) { 1325 next.requestFocus(); 1326 return true; 1327 } 1328 return false; 1329 } 1330 1331 /** 1332 * Create a chip from the default selection. If the popup is showing, the 1333 * default is the selected item (if one is selected), or the first item, in the popup 1334 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1335 * tokenizer should search for a token to turn into a chip. 1336 * @return If a chip was created from a real contact. 1337 */ 1338 private boolean commitDefault() { 1339 // If there is no tokenizer, don't try to commit. 1340 if (mTokenizer == null) { 1341 return false; 1342 } 1343 Editable editable = getText(); 1344 int end = getSelectionEnd(); 1345 int start = mTokenizer.findTokenStart(editable, end); 1346 1347 if (shouldCreateChip(start, end)) { 1348 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1349 // In the middle of chip; treat this as an edit 1350 // and commit the whole token. 1351 whatEnd = movePastTerminators(whatEnd); 1352 if (whatEnd != getSelectionEnd()) { 1353 handleEdit(start, whatEnd); 1354 return true; 1355 } 1356 return commitChip(start, end , editable); 1357 } 1358 return false; 1359 } 1360 1361 private void commitByCharacter() { 1362 // We can't possibly commit by character if we can't tokenize. 1363 if (mTokenizer == null) { 1364 return; 1365 } 1366 Editable editable = getText(); 1367 int end = getSelectionEnd(); 1368 int start = mTokenizer.findTokenStart(editable, end); 1369 if (shouldCreateChip(start, end)) { 1370 commitChip(start, end, editable); 1371 } 1372 setSelection(getText().length()); 1373 } 1374 1375 private boolean commitChip(int start, int end, Editable editable) { 1376 ListAdapter adapter = getAdapter(); 1377 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1378 && end == getSelectionEnd() && !isPhoneQuery()) { 1379 // let's choose the selected or first entry if only the input text is NOT an email 1380 // address so we won't try to replace the user's potentially correct but 1381 // new/unencountered email input 1382 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1383 final int selectedPosition = getListSelection(); 1384 if (selectedPosition == -1) { 1385 // Nothing is selected; use the first item 1386 submitItemAtPosition(0); 1387 } else { 1388 submitItemAtPosition(selectedPosition); 1389 } 1390 } 1391 dismissDropDown(); 1392 return true; 1393 } else { 1394 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1395 if (editable.length() > tokenEnd + 1) { 1396 char charAt = editable.charAt(tokenEnd + 1); 1397 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1398 tokenEnd++; 1399 } 1400 } 1401 String text = editable.toString().substring(start, tokenEnd).trim(); 1402 clearComposingText(); 1403 if (text != null && text.length() > 0 && !text.equals(" ")) { 1404 RecipientEntry entry = createTokenizedEntry(text); 1405 if (entry != null) { 1406 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1407 CharSequence chipText = createChip(entry, false); 1408 if (chipText != null && start > -1 && end > -1) { 1409 editable.replace(start, end, chipText); 1410 } 1411 } 1412 // Only dismiss the dropdown if it is related to the text we 1413 // just committed. 1414 // For paste, it may not be as there are possibly multiple 1415 // tokens being added. 1416 if (end == getSelectionEnd()) { 1417 dismissDropDown(); 1418 } 1419 sanitizeBetween(); 1420 return true; 1421 } 1422 } 1423 return false; 1424 } 1425 1426 // Visible for testing. 1427 /* package */ void sanitizeBetween() { 1428 // Don't sanitize while we are waiting for content to chipify. 1429 if (mPendingChipsCount > 0) { 1430 return; 1431 } 1432 // Find the last chip. 1433 DrawableRecipientChip[] recips = getSortedRecipients(); 1434 if (recips != null && recips.length > 0) { 1435 DrawableRecipientChip last = recips[recips.length - 1]; 1436 DrawableRecipientChip beforeLast = null; 1437 if (recips.length > 1) { 1438 beforeLast = recips[recips.length - 2]; 1439 } 1440 int startLooking = 0; 1441 int end = getSpannable().getSpanStart(last); 1442 if (beforeLast != null) { 1443 startLooking = getSpannable().getSpanEnd(beforeLast); 1444 Editable text = getText(); 1445 if (startLooking == -1 || startLooking > text.length() - 1) { 1446 // There is nothing after this chip. 1447 return; 1448 } 1449 if (text.charAt(startLooking) == ' ') { 1450 startLooking++; 1451 } 1452 } 1453 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1454 getText().delete(startLooking, end); 1455 } 1456 } 1457 } 1458 1459 private boolean shouldCreateChip(int start, int end) { 1460 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1461 } 1462 1463 private boolean alreadyHasChip(int start, int end) { 1464 if (mNoChips) { 1465 return true; 1466 } 1467 DrawableRecipientChip[] chips = 1468 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1469 if ((chips == null || chips.length == 0)) { 1470 return false; 1471 } 1472 return true; 1473 } 1474 1475 private void handleEdit(int start, int end) { 1476 if (start == -1 || end == -1) { 1477 // This chip no longer exists in the field. 1478 dismissDropDown(); 1479 return; 1480 } 1481 // This is in the middle of a chip, so select out the whole chip 1482 // and commit it. 1483 Editable editable = getText(); 1484 setSelection(end); 1485 String text = getText().toString().substring(start, end); 1486 if (!TextUtils.isEmpty(text)) { 1487 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1488 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1489 CharSequence chipText = createChip(entry, false); 1490 int selEnd = getSelectionEnd(); 1491 if (chipText != null && start > -1 && selEnd > -1) { 1492 editable.replace(start, selEnd, chipText); 1493 } 1494 } 1495 dismissDropDown(); 1496 } 1497 1498 /** 1499 * If there is a selected chip, delegate the key events 1500 * to the selected chip. 1501 */ 1502 @Override 1503 public boolean onKeyDown(int keyCode, KeyEvent event) { 1504 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1505 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1506 mAlternatesPopup.dismiss(); 1507 } 1508 removeChip(mSelectedChip); 1509 } 1510 1511 switch (keyCode) { 1512 case KeyEvent.KEYCODE_ENTER: 1513 case KeyEvent.KEYCODE_DPAD_CENTER: 1514 if (event.hasNoModifiers()) { 1515 if (commitDefault()) { 1516 return true; 1517 } 1518 if (mSelectedChip != null) { 1519 clearSelectedChip(); 1520 return true; 1521 } else if (focusNext()) { 1522 return true; 1523 } 1524 } 1525 break; 1526 } 1527 1528 return super.onKeyDown(keyCode, event); 1529 } 1530 1531 // Visible for testing. 1532 /* package */ Spannable getSpannable() { 1533 return getText(); 1534 } 1535 1536 private int getChipStart(DrawableRecipientChip chip) { 1537 return getSpannable().getSpanStart(chip); 1538 } 1539 1540 private int getChipEnd(DrawableRecipientChip chip) { 1541 return getSpannable().getSpanEnd(chip); 1542 } 1543 1544 /** 1545 * Instead of filtering on the entire contents of the edit box, 1546 * this subclass method filters on the range from 1547 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1548 * if the length of that range meets or exceeds {@link #getThreshold} 1549 * and makes sure that the range is not already a Chip. 1550 */ 1551 @Override 1552 protected void performFiltering(CharSequence text, int keyCode) { 1553 boolean isCompletedToken = isCompletedToken(text); 1554 if (enoughToFilter() && !isCompletedToken) { 1555 int end = getSelectionEnd(); 1556 int start = mTokenizer.findTokenStart(text, end); 1557 // If this is a RecipientChip, don't filter 1558 // on its contents. 1559 Spannable span = getSpannable(); 1560 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1561 if (chips != null && chips.length > 0) { 1562 dismissDropDown(); 1563 return; 1564 } 1565 } else if (isCompletedToken) { 1566 dismissDropDown(); 1567 return; 1568 } 1569 super.performFiltering(text, keyCode); 1570 } 1571 1572 // Visible for testing. 1573 /*package*/ boolean isCompletedToken(CharSequence text) { 1574 if (TextUtils.isEmpty(text)) { 1575 return false; 1576 } 1577 // Check to see if this is a completed token before filtering. 1578 int end = text.length(); 1579 int start = mTokenizer.findTokenStart(text, end); 1580 String token = text.toString().substring(start, end).trim(); 1581 if (!TextUtils.isEmpty(token)) { 1582 char atEnd = token.charAt(token.length() - 1); 1583 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1584 } 1585 return false; 1586 } 1587 1588 private void clearSelectedChip() { 1589 if (mSelectedChip != null) { 1590 unselectChip(mSelectedChip); 1591 mSelectedChip = null; 1592 } 1593 setCursorVisible(true); 1594 } 1595 1596 /** 1597 * Monitor touch events in the RecipientEditTextView. 1598 * If the view does not have focus, any tap on the view 1599 * will just focus the view. If the view has focus, determine 1600 * if the touch target is a recipient chip. If it is and the chip 1601 * is not selected, select it and clear any other selected chips. 1602 * If it isn't, then select that chip. 1603 */ 1604 @Override 1605 public boolean onTouchEvent(MotionEvent event) { 1606 if (!isFocused()) { 1607 // Ignore any chip taps until this view is focused. 1608 return super.onTouchEvent(event); 1609 } 1610 boolean handled = super.onTouchEvent(event); 1611 int action = event.getAction(); 1612 boolean chipWasSelected = false; 1613 if (mSelectedChip == null) { 1614 mGestureDetector.onTouchEvent(event); 1615 } 1616 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1617 float x = event.getX(); 1618 float y = event.getY(); 1619 int offset = putOffsetInRange(x, y); 1620 DrawableRecipientChip currentChip = findChip(offset); 1621 if (currentChip != null) { 1622 if (action == MotionEvent.ACTION_UP) { 1623 if (mSelectedChip != null && mSelectedChip != currentChip) { 1624 clearSelectedChip(); 1625 mSelectedChip = selectChip(currentChip); 1626 } else if (mSelectedChip == null) { 1627 setSelection(getText().length()); 1628 commitDefault(); 1629 mSelectedChip = selectChip(currentChip); 1630 } else { 1631 onClick(mSelectedChip); 1632 } 1633 } 1634 chipWasSelected = true; 1635 handled = true; 1636 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1637 chipWasSelected = true; 1638 } 1639 } 1640 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1641 clearSelectedChip(); 1642 } 1643 return handled; 1644 } 1645 1646 private void scrollLineIntoView(int line) { 1647 if (mScrollView != null) { 1648 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1649 } 1650 } 1651 1652 private void showAlternates(final DrawableRecipientChip currentChip, 1653 final ListPopupWindow alternatesPopup) { 1654 new AsyncTask<Void, Void, ListAdapter>() { 1655 @Override 1656 protected ListAdapter doInBackground(final Void... params) { 1657 return createAlternatesAdapter(currentChip); 1658 } 1659 1660 @Override 1661 protected void onPostExecute(final ListAdapter result) { 1662 if (!mAttachedToWindow) { 1663 return; 1664 } 1665 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1666 int bottomOffset = calculateOffsetFromBottomToTop(line); 1667 1668 // Align the alternates popup with the left side of the View, 1669 // regardless of the position of the chip tapped. 1670 alternatesPopup.setAnchorView((mAlternatePopupAnchor != null) ? 1671 mAlternatePopupAnchor : RecipientEditTextView.this); 1672 alternatesPopup.setVerticalOffset(bottomOffset); 1673 alternatesPopup.setAdapter(result); 1674 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1675 // Clear the checked item. 1676 mCheckedItem = -1; 1677 alternatesPopup.show(); 1678 ListView listView = alternatesPopup.getListView(); 1679 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1680 // Checked item would be -1 if the adapter has not 1681 // loaded the view that should be checked yet. The 1682 // variable will be set correctly when onCheckedItemChanged 1683 // is called in a separate thread. 1684 if (mCheckedItem != -1) { 1685 listView.setItemChecked(mCheckedItem, true); 1686 mCheckedItem = -1; 1687 } 1688 } 1689 }.execute((Void[]) null); 1690 } 1691 1692 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1693 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1694 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1695 getAdapter().getQueryType(), this, mDropdownChipLayouter, 1696 constructStateListDeleteDrawable()); 1697 } 1698 1699 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1700 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1701 mDropdownChipLayouter, constructStateListDeleteDrawable()); 1702 } 1703 1704 private StateListDrawable constructStateListDeleteDrawable() { 1705 // Construct the StateListDrawable from deleteDrawable 1706 StateListDrawable deleteDrawable = new StateListDrawable(); 1707 if (!mDisableDelete) { 1708 deleteDrawable.addState(new int[]{android.R.attr.state_activated}, mChipDelete); 1709 } 1710 deleteDrawable.addState(new int[0], null); 1711 return deleteDrawable; 1712 } 1713 1714 @Override 1715 public void onCheckedItemChanged(int position) { 1716 ListView listView = mAlternatesPopup.getListView(); 1717 if (listView != null && listView.getCheckedItemCount() == 0) { 1718 listView.setItemChecked(position, true); 1719 } 1720 mCheckedItem = position; 1721 } 1722 1723 private int putOffsetInRange(final float x, final float y) { 1724 final int offset; 1725 1726 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1727 offset = getOffsetForPosition(x, y); 1728 } else { 1729 offset = supportGetOffsetForPosition(x, y); 1730 } 1731 1732 return putOffsetInRange(offset); 1733 } 1734 1735 // TODO: This algorithm will need a lot of tweaking after more people have used 1736 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1737 // what comes before the finger. 1738 private int putOffsetInRange(int o) { 1739 int offset = o; 1740 Editable text = getText(); 1741 int length = text.length(); 1742 // Remove whitespace from end to find "real end" 1743 int realLength = length; 1744 for (int i = length - 1; i >= 0; i--) { 1745 if (text.charAt(i) == ' ') { 1746 realLength--; 1747 } else { 1748 break; 1749 } 1750 } 1751 1752 // If the offset is beyond or at the end of the text, 1753 // leave it alone. 1754 if (offset >= realLength) { 1755 return offset; 1756 } 1757 Editable editable = getText(); 1758 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1759 // Keep walking backward! 1760 offset--; 1761 } 1762 return offset; 1763 } 1764 1765 private static int findText(Editable text, int offset) { 1766 if (text.charAt(offset) != ' ') { 1767 return offset; 1768 } 1769 return -1; 1770 } 1771 1772 private DrawableRecipientChip findChip(int offset) { 1773 DrawableRecipientChip[] chips = 1774 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1775 // Find the chip that contains this offset. 1776 for (int i = 0; i < chips.length; i++) { 1777 DrawableRecipientChip chip = chips[i]; 1778 int start = getChipStart(chip); 1779 int end = getChipEnd(chip); 1780 if (offset >= start && offset <= end) { 1781 return chip; 1782 } 1783 } 1784 return null; 1785 } 1786 1787 // Visible for testing. 1788 // Use this method to generate text to add to the list of addresses. 1789 /* package */String createAddressText(RecipientEntry entry) { 1790 String display = entry.getDisplayName(); 1791 String address = entry.getDestination(); 1792 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1793 display = null; 1794 } 1795 String trimmedDisplayText; 1796 if (isPhoneQuery() && isPhoneNumber(address)) { 1797 trimmedDisplayText = address.trim(); 1798 } else { 1799 if (address != null) { 1800 // Tokenize out the address in case the address already 1801 // contained the username as well. 1802 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1803 if (tokenized != null && tokenized.length > 0) { 1804 address = tokenized[0].getAddress(); 1805 } 1806 } 1807 Rfc822Token token = new Rfc822Token(display, address, null); 1808 trimmedDisplayText = token.toString().trim(); 1809 } 1810 int index = trimmedDisplayText.indexOf(","); 1811 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1812 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1813 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1814 } 1815 1816 // Visible for testing. 1817 // Use this method to generate text to display in a chip. 1818 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1819 String display = entry.getDisplayName(); 1820 String address = entry.getDestination(); 1821 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1822 display = null; 1823 } 1824 if (!TextUtils.isEmpty(display)) { 1825 return display; 1826 } else if (!TextUtils.isEmpty(address)){ 1827 return address; 1828 } else { 1829 return new Rfc822Token(display, address, null).toString(); 1830 } 1831 } 1832 1833 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1834 final String displayText = createAddressText(entry); 1835 if (TextUtils.isEmpty(displayText)) { 1836 return null; 1837 } 1838 // Always leave a blank space at the end of a chip. 1839 final int textLength = displayText.length() - 1; 1840 final SpannableString chipText = new SpannableString(displayText); 1841 if (!mNoChips) { 1842 try { 1843 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1844 chipText.setSpan(chip, 0, textLength, 1845 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1846 chip.setOriginalText(chipText.toString()); 1847 } catch (NullPointerException e) { 1848 Log.e(TAG, e.getMessage(), e); 1849 return null; 1850 } 1851 } 1852 onChipCreated(entry); 1853 return chipText; 1854 } 1855 1856 /** 1857 * A callback for subclasses to use to know when a chip was created with the 1858 * given RecipientEntry. 1859 */ 1860 protected void onChipCreated(RecipientEntry entry) {} 1861 1862 /** 1863 * When an item in the suggestions list has been clicked, create a chip from the 1864 * contact information of the selected item. 1865 */ 1866 @Override 1867 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1868 if (position < 0) { 1869 return; 1870 } 1871 1872 final int charactersTyped = submitItemAtPosition(position); 1873 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1874 mRecipientEntryItemClickedListener 1875 .onRecipientEntryItemClicked(charactersTyped, position); 1876 } 1877 } 1878 1879 private int submitItemAtPosition(int position) { 1880 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1881 if (entry == null) { 1882 return -1; 1883 } 1884 clearComposingText(); 1885 1886 int end = getSelectionEnd(); 1887 int start = mTokenizer.findTokenStart(getText(), end); 1888 1889 Editable editable = getText(); 1890 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1891 CharSequence chip = createChip(entry, false); 1892 if (chip != null && start >= 0 && end >= 0) { 1893 editable.replace(start, end, chip); 1894 } 1895 sanitizeBetween(); 1896 1897 return end - start; 1898 } 1899 1900 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1901 if (item == null) { 1902 return null; 1903 } 1904 final RecipientEntry entry; 1905 // If the display name and the address are the same, or if this is a 1906 // valid contact, but the destination is invalid, then make this a fake 1907 // recipient that is editable. 1908 String destination = item.getDestination(); 1909 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1910 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1911 destination, item.isValid()); 1912 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1913 && (TextUtils.isEmpty(item.getDisplayName()) 1914 || TextUtils.equals(item.getDisplayName(), destination) 1915 || (mValidator != null && !mValidator.isValid(destination)))) { 1916 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1917 } else { 1918 entry = item; 1919 } 1920 return entry; 1921 } 1922 1923 // Visible for testing. 1924 /* package */DrawableRecipientChip[] getSortedRecipients() { 1925 DrawableRecipientChip[] recips = getSpannable() 1926 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1927 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1928 Arrays.asList(recips)); 1929 final Spannable spannable = getSpannable(); 1930 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1931 1932 @Override 1933 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1934 int firstStart = spannable.getSpanStart(first); 1935 int secondStart = spannable.getSpanStart(second); 1936 if (firstStart < secondStart) { 1937 return -1; 1938 } else if (firstStart > secondStart) { 1939 return 1; 1940 } else { 1941 return 0; 1942 } 1943 } 1944 }); 1945 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1946 } 1947 1948 @Override 1949 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1950 return false; 1951 } 1952 1953 @Override 1954 public void onDestroyActionMode(ActionMode mode) { 1955 } 1956 1957 @Override 1958 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1959 return false; 1960 } 1961 1962 /** 1963 * No chips are selectable. 1964 */ 1965 @Override 1966 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1967 return false; 1968 } 1969 1970 // Visible for testing. 1971 /* package */ReplacementDrawableSpan getMoreChip() { 1972 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1973 MoreImageSpan.class); 1974 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1975 } 1976 1977 private MoreImageSpan createMoreSpan(int count) { 1978 String moreText = String.format(mMoreItem.getText().toString(), count); 1979 mWorkPaint.set(getPaint()); 1980 mWorkPaint.setTextSize(mMoreItem.getTextSize()); 1981 mWorkPaint.setColor(mMoreItem.getCurrentTextColor()); 1982 final int width = (int) mWorkPaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1983 + mMoreItem.getPaddingRight(); 1984 final int height = (int) mChipHeight; 1985 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1986 Canvas canvas = new Canvas(drawable); 1987 int adjustedHeight = height; 1988 Layout layout = getLayout(); 1989 if (layout != null) { 1990 adjustedHeight -= layout.getLineDescent(0); 1991 } 1992 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, mWorkPaint); 1993 1994 Drawable result = new BitmapDrawable(getResources(), drawable); 1995 result.setBounds(0, 0, width, height); 1996 return new MoreImageSpan(result); 1997 } 1998 1999 // Visible for testing. 2000 /*package*/ void createMoreChipPlainText() { 2001 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 2002 Editable text = getText(); 2003 int start = 0; 2004 int end = start; 2005 for (int i = 0; i < CHIP_LIMIT; i++) { 2006 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2007 start = end; // move to the next token and get its end. 2008 } 2009 // Now, count total addresses. 2010 start = 0; 2011 int tokenCount = countTokens(text); 2012 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 2013 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 2014 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2015 text.replace(end, text.length(), chipText); 2016 mMoreChip = moreSpan; 2017 } 2018 2019 // Visible for testing. 2020 /* package */int countTokens(Editable text) { 2021 int tokenCount = 0; 2022 int start = 0; 2023 while (start < text.length()) { 2024 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 2025 tokenCount++; 2026 if (start >= text.length()) { 2027 break; 2028 } 2029 } 2030 return tokenCount; 2031 } 2032 2033 /** 2034 * Create the more chip. The more chip is text that replaces any chips that 2035 * do not fit in the pre-defined available space when the 2036 * RecipientEditTextView loses focus. 2037 */ 2038 // Visible for testing. 2039 /* package */ void createMoreChip() { 2040 if (mNoChips) { 2041 createMoreChipPlainText(); 2042 return; 2043 } 2044 2045 if (!mShouldShrink) { 2046 return; 2047 } 2048 ReplacementDrawableSpan[] tempMore = getSpannable().getSpans(0, getText().length(), 2049 MoreImageSpan.class); 2050 if (tempMore.length > 0) { 2051 getSpannable().removeSpan(tempMore[0]); 2052 } 2053 DrawableRecipientChip[] recipients = getSortedRecipients(); 2054 2055 if (recipients == null || recipients.length <= CHIP_LIMIT) { 2056 mMoreChip = null; 2057 return; 2058 } 2059 Spannable spannable = getSpannable(); 2060 int numRecipients = recipients.length; 2061 int overage = numRecipients - CHIP_LIMIT; 2062 MoreImageSpan moreSpan = createMoreSpan(overage); 2063 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 2064 int totalReplaceStart = 0; 2065 int totalReplaceEnd = 0; 2066 Editable text = getText(); 2067 for (int i = numRecipients - overage; i < recipients.length; i++) { 2068 mRemovedSpans.add(recipients[i]); 2069 if (i == numRecipients - overage) { 2070 totalReplaceStart = spannable.getSpanStart(recipients[i]); 2071 } 2072 if (i == recipients.length - 1) { 2073 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 2074 } 2075 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2076 int spanStart = spannable.getSpanStart(recipients[i]); 2077 int spanEnd = spannable.getSpanEnd(recipients[i]); 2078 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2079 } 2080 spannable.removeSpan(recipients[i]); 2081 } 2082 if (totalReplaceEnd < text.length()) { 2083 totalReplaceEnd = text.length(); 2084 } 2085 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2086 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2087 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2088 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2089 text.replace(start, end, chipText); 2090 mMoreChip = moreSpan; 2091 // If adding the +more chip goes over the limit, resize accordingly. 2092 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2093 setMaxLines(getLineCount()); 2094 } 2095 } 2096 2097 /** 2098 * Replace the more chip, if it exists, with all of the recipient chips it had 2099 * replaced when the RecipientEditTextView gains focus. 2100 */ 2101 // Visible for testing. 2102 /*package*/ void removeMoreChip() { 2103 if (mMoreChip != null) { 2104 Spannable span = getSpannable(); 2105 span.removeSpan(mMoreChip); 2106 mMoreChip = null; 2107 // Re-add the spans that were removed. 2108 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2109 // Recreate each removed span. 2110 DrawableRecipientChip[] recipients = getSortedRecipients(); 2111 // Start the search for tokens after the last currently visible 2112 // chip. 2113 if (recipients == null || recipients.length == 0) { 2114 return; 2115 } 2116 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2117 Editable editable = getText(); 2118 for (DrawableRecipientChip chip : mRemovedSpans) { 2119 int chipStart; 2120 int chipEnd; 2121 String token; 2122 // Need to find the location of the chip, again. 2123 token = (String) chip.getOriginalText(); 2124 // As we find the matching recipient for the remove spans, 2125 // reduce the size of the string we need to search. 2126 // That way, if there are duplicates, we always find the correct 2127 // recipient. 2128 chipStart = editable.toString().indexOf(token, end); 2129 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2130 // Only set the span if we found a matching token. 2131 if (chipStart != -1) { 2132 editable.setSpan(chip, chipStart, chipEnd, 2133 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2134 } 2135 } 2136 mRemovedSpans.clear(); 2137 } 2138 } 2139 } 2140 2141 /** 2142 * Show specified chip as selected. If the RecipientChip is just an email address, 2143 * selecting the chip will take the contents of the chip and place it at 2144 * the end of the RecipientEditTextView for inline editing. If the 2145 * RecipientChip is a complete contact, then selecting the chip 2146 * will change the background color of the chip, show the delete icon, 2147 * and a popup window with the address in use highlighted and any other 2148 * alternate addresses for the contact. 2149 * @param currentChip Chip to select. 2150 * @return A RecipientChip in the selected state or null if the chip 2151 * just contained an email address. 2152 */ 2153 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2154 if (shouldShowEditableText(currentChip)) { 2155 CharSequence text = currentChip.getValue(); 2156 Editable editable = getText(); 2157 Spannable spannable = getSpannable(); 2158 int spanStart = spannable.getSpanStart(currentChip); 2159 int spanEnd = spannable.getSpanEnd(currentChip); 2160 spannable.removeSpan(currentChip); 2161 editable.delete(spanStart, spanEnd); 2162 setCursorVisible(true); 2163 setSelection(editable.length()); 2164 editable.append(text); 2165 return constructChipSpan( 2166 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2167 true); 2168 } else { 2169 int start = getChipStart(currentChip); 2170 int end = getChipEnd(currentChip); 2171 getSpannable().removeSpan(currentChip); 2172 DrawableRecipientChip newChip; 2173 final boolean showAddress = 2174 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2175 getAdapter().forceShowAddress(); 2176 try { 2177 if (showAddress && mNoChips) { 2178 return null; 2179 } 2180 newChip = constructChipSpan(currentChip.getEntry(), true); 2181 } catch (NullPointerException e) { 2182 Log.e(TAG, e.getMessage(), e); 2183 return null; 2184 } 2185 Editable editable = getText(); 2186 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2187 if (start == -1 || end == -1) { 2188 Log.d(TAG, "The chip being selected no longer exists but should."); 2189 } else { 2190 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2191 } 2192 newChip.setSelected(true); 2193 if (shouldShowEditableText(newChip)) { 2194 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2195 } 2196 if (showAddress) { 2197 showAddress(newChip, mAddressPopup); 2198 } else { 2199 showAlternates(newChip, mAlternatesPopup); 2200 } 2201 setCursorVisible(false); 2202 return newChip; 2203 } 2204 } 2205 2206 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2207 long contactId = currentChip.getContactId(); 2208 return contactId == RecipientEntry.INVALID_CONTACT 2209 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2210 } 2211 2212 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup) { 2213 if (!mAttachedToWindow) { 2214 return; 2215 } 2216 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2217 int bottomOffset = calculateOffsetFromBottomToTop(line); 2218 // Align the alternates popup with the left side of the View, 2219 // regardless of the position of the chip tapped. 2220 popup.setAnchorView((mAlternatePopupAnchor != null) ? mAlternatePopupAnchor : this); 2221 popup.setVerticalOffset(bottomOffset); 2222 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2223 popup.setOnItemClickListener(new OnItemClickListener() { 2224 @Override 2225 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2226 unselectChip(currentChip); 2227 } 2228 }); 2229 popup.show(); 2230 ListView listView = popup.getListView(); 2231 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2232 listView.setItemChecked(0, true); 2233 } 2234 2235 /** 2236 * Remove selection from this chip. Unselecting a RecipientChip will render 2237 * the chip without a delete icon and with an unfocused background. This is 2238 * called when the RecipientChip no longer has focus. 2239 */ 2240 private void unselectChip(DrawableRecipientChip chip) { 2241 int start = getChipStart(chip); 2242 int end = getChipEnd(chip); 2243 Editable editable = getText(); 2244 mSelectedChip = null; 2245 if (start == -1 || end == -1) { 2246 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2247 setSelection(editable.length()); 2248 commitDefault(); 2249 } else { 2250 getSpannable().removeSpan(chip); 2251 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2252 editable.removeSpan(chip); 2253 try { 2254 if (!mNoChips) { 2255 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2256 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2257 } 2258 } catch (NullPointerException e) { 2259 Log.e(TAG, e.getMessage(), e); 2260 } 2261 } 2262 setCursorVisible(true); 2263 setSelection(editable.length()); 2264 dismissPopups(); 2265 } 2266 2267 @Override 2268 public void onChipDelete() { 2269 if (mSelectedChip != null) { 2270 removeChip(mSelectedChip); 2271 } 2272 dismissPopups(); 2273 } 2274 2275 private void dismissPopups() { 2276 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2277 mAlternatesPopup.dismiss(); 2278 } 2279 if (mAddressPopup != null && mAddressPopup.isShowing()) { 2280 mAddressPopup.dismiss(); 2281 } 2282 } 2283 2284 /** 2285 * Remove the chip and any text associated with it from the RecipientEditTextView. 2286 */ 2287 // Visible for testing. 2288 /* package */void removeChip(DrawableRecipientChip chip) { 2289 Spannable spannable = getSpannable(); 2290 int spanStart = spannable.getSpanStart(chip); 2291 int spanEnd = spannable.getSpanEnd(chip); 2292 Editable text = getText(); 2293 int toDelete = spanEnd; 2294 boolean wasSelected = chip == mSelectedChip; 2295 // Clear that there is a selected chip before updating any text. 2296 if (wasSelected) { 2297 mSelectedChip = null; 2298 } 2299 // Always remove trailing spaces when removing a chip. 2300 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2301 toDelete++; 2302 } 2303 spannable.removeSpan(chip); 2304 if (spanStart >= 0 && toDelete > 0) { 2305 text.delete(spanStart, toDelete); 2306 } 2307 if (wasSelected) { 2308 clearSelectedChip(); 2309 } 2310 } 2311 2312 /** 2313 * Replace this currently selected chip with a new chip 2314 * that uses the contact data provided. 2315 */ 2316 // Visible for testing. 2317 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2318 boolean wasSelected = chip == mSelectedChip; 2319 if (wasSelected) { 2320 mSelectedChip = null; 2321 } 2322 int start = getChipStart(chip); 2323 int end = getChipEnd(chip); 2324 getSpannable().removeSpan(chip); 2325 Editable editable = getText(); 2326 CharSequence chipText = createChip(entry, false); 2327 if (chipText != null) { 2328 if (start == -1 || end == -1) { 2329 Log.e(TAG, "The chip to replace does not exist but should."); 2330 editable.insert(0, chipText); 2331 } else { 2332 if (!TextUtils.isEmpty(chipText)) { 2333 // There may be a space to replace with this chip's new 2334 // associated space. Check for it 2335 int toReplace = end; 2336 while (toReplace >= 0 && toReplace < editable.length() 2337 && editable.charAt(toReplace) == ' ') { 2338 toReplace++; 2339 } 2340 editable.replace(start, toReplace, chipText); 2341 } 2342 } 2343 } 2344 setCursorVisible(true); 2345 if (wasSelected) { 2346 clearSelectedChip(); 2347 } 2348 } 2349 2350 /** 2351 * Handle click events for a chip. When a selected chip receives a click 2352 * event, see if that event was in the delete icon. If so, delete it. 2353 * Otherwise, unselect the chip. 2354 */ 2355 public void onClick(DrawableRecipientChip chip) { 2356 if (chip.isSelected()) { 2357 clearSelectedChip(); 2358 } 2359 } 2360 2361 private boolean chipsPending() { 2362 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2363 } 2364 2365 @Override 2366 public void removeTextChangedListener(TextWatcher watcher) { 2367 mTextWatcher = null; 2368 super.removeTextChangedListener(watcher); 2369 } 2370 2371 private boolean isValidEmailAddress(String input) { 2372 return !TextUtils.isEmpty(input) && mValidator != null && 2373 mValidator.isValid(input); 2374 } 2375 2376 private class RecipientTextWatcher implements TextWatcher { 2377 2378 @Override 2379 public void afterTextChanged(Editable s) { 2380 // If the text has been set to null or empty, make sure we remove 2381 // all the spans we applied. 2382 if (TextUtils.isEmpty(s)) { 2383 // Remove all the chips spans. 2384 Spannable spannable = getSpannable(); 2385 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2386 DrawableRecipientChip.class); 2387 for (DrawableRecipientChip chip : chips) { 2388 spannable.removeSpan(chip); 2389 } 2390 if (mMoreChip != null) { 2391 spannable.removeSpan(mMoreChip); 2392 } 2393 clearSelectedChip(); 2394 return; 2395 } 2396 // Get whether there are any recipients pending addition to the 2397 // view. If there are, don't do anything in the text watcher. 2398 if (chipsPending()) { 2399 return; 2400 } 2401 // If the user is editing a chip, don't clear it. 2402 if (mSelectedChip != null) { 2403 if (!isGeneratedContact(mSelectedChip)) { 2404 setCursorVisible(true); 2405 setSelection(getText().length()); 2406 clearSelectedChip(); 2407 } else { 2408 return; 2409 } 2410 } 2411 int length = s.length(); 2412 // Make sure there is content there to parse and that it is 2413 // not just the commit character. 2414 if (length > 1) { 2415 if (lastCharacterIsCommitCharacter(s)) { 2416 commitByCharacter(); 2417 return; 2418 } 2419 char last; 2420 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2421 int len = length() - 1; 2422 if (end != len) { 2423 last = s.charAt(end); 2424 } else { 2425 last = s.charAt(len); 2426 } 2427 if (last == COMMIT_CHAR_SPACE) { 2428 if (!isPhoneQuery()) { 2429 // Check if this is a valid email address. If it is, 2430 // commit it. 2431 String text = getText().toString(); 2432 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2433 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2434 tokenStart)); 2435 if (isValidEmailAddress(sub)) { 2436 commitByCharacter(); 2437 } 2438 } 2439 } 2440 } 2441 } 2442 2443 @Override 2444 public void onTextChanged(CharSequence s, int start, int before, int count) { 2445 // The user deleted some text OR some text was replaced; check to 2446 // see if the insertion point is on a space 2447 // following a chip. 2448 if (before - count == 1) { 2449 // If the item deleted is a space, and the thing before the 2450 // space is a chip, delete the entire span. 2451 int selStart = getSelectionStart(); 2452 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2453 DrawableRecipientChip.class); 2454 if (repl.length > 0) { 2455 // There is a chip there! Just remove it. 2456 Editable editable = getText(); 2457 // Add the separator token. 2458 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2459 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2460 tokenEnd = tokenEnd + 1; 2461 if (tokenEnd > editable.length()) { 2462 tokenEnd = editable.length(); 2463 } 2464 editable.delete(tokenStart, tokenEnd); 2465 getSpannable().removeSpan(repl[0]); 2466 } 2467 } else if (count > before) { 2468 if (mSelectedChip != null 2469 && isGeneratedContact(mSelectedChip)) { 2470 if (lastCharacterIsCommitCharacter(s)) { 2471 commitByCharacter(); 2472 return; 2473 } 2474 } 2475 } 2476 } 2477 2478 @Override 2479 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2480 // Do nothing. 2481 } 2482 } 2483 2484 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2485 char last; 2486 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2487 int len = length() - 1; 2488 if (end != len) { 2489 last = s.charAt(end); 2490 } else { 2491 last = s.charAt(len); 2492 } 2493 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2494 } 2495 2496 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2497 long contactId = chip.getContactId(); 2498 return contactId == RecipientEntry.INVALID_CONTACT 2499 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2500 } 2501 2502 /** 2503 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2504 */ 2505 // Visible for testing. 2506 void handlePasteClip(ClipData clip) { 2507 if (clip == null) { 2508 // Do nothing. 2509 return; 2510 } 2511 2512 final ClipDescription clipDesc = clip.getDescription(); 2513 boolean containsSupportedType = clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN) || 2514 clipDesc.hasMimeType(ClipDescription.MIMETYPE_TEXT_HTML); 2515 if (!containsSupportedType) { 2516 return; 2517 } 2518 2519 removeTextChangedListener(mTextWatcher); 2520 2521 final ClipDescription clipDescription = clip.getDescription(); 2522 for (int i = 0; i < clip.getItemCount(); i++) { 2523 final String mimeType = clipDescription.getMimeType(i); 2524 final boolean supportedType = ClipDescription.MIMETYPE_TEXT_PLAIN.equals(mimeType) || 2525 ClipDescription.MIMETYPE_TEXT_HTML.equals(mimeType); 2526 if (!supportedType) { 2527 // Only plain text and html can be pasted. 2528 continue; 2529 } 2530 2531 final CharSequence pastedItem = clip.getItemAt(i).getText(); 2532 if (!TextUtils.isEmpty(pastedItem)) { 2533 final Editable editable = getText(); 2534 final int start = getSelectionStart(); 2535 final int end = getSelectionEnd(); 2536 if (start < 0 || end < 1) { 2537 // No selection. 2538 editable.append(pastedItem); 2539 } else if (start == end) { 2540 // Insert at position. 2541 editable.insert(start, pastedItem); 2542 } else { 2543 editable.append(pastedItem, start, end); 2544 } 2545 handlePasteAndReplace(); 2546 } 2547 } 2548 2549 mHandler.post(mAddTextWatcher); 2550 } 2551 2552 @Override 2553 public boolean onTextContextMenuItem(int id) { 2554 if (id == android.R.id.paste) { 2555 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2556 Context.CLIPBOARD_SERVICE); 2557 handlePasteClip(clipboard.getPrimaryClip()); 2558 return true; 2559 } 2560 return super.onTextContextMenuItem(id); 2561 } 2562 2563 private void handlePasteAndReplace() { 2564 ArrayList<DrawableRecipientChip> created = handlePaste(); 2565 if (created != null && created.size() > 0) { 2566 // Perform reverse lookups on the pasted contacts. 2567 IndividualReplacementTask replace = new IndividualReplacementTask(); 2568 replace.execute(created); 2569 } 2570 } 2571 2572 // Visible for testing. 2573 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2574 String text = getText().toString(); 2575 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2576 String lastAddress = text.substring(originalTokenStart); 2577 int tokenStart = originalTokenStart; 2578 int prevTokenStart = 0; 2579 DrawableRecipientChip findChip = null; 2580 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2581 if (tokenStart != 0) { 2582 // There are things before this! 2583 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2584 prevTokenStart = tokenStart; 2585 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2586 findChip = findChip(tokenStart); 2587 if (tokenStart == originalTokenStart && findChip == null) { 2588 break; 2589 } 2590 } 2591 if (tokenStart != originalTokenStart) { 2592 if (findChip != null) { 2593 tokenStart = prevTokenStart; 2594 } 2595 int tokenEnd; 2596 DrawableRecipientChip createdChip; 2597 while (tokenStart < originalTokenStart) { 2598 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2599 tokenStart)); 2600 commitChip(tokenStart, tokenEnd, getText()); 2601 createdChip = findChip(tokenStart); 2602 if (createdChip == null) { 2603 break; 2604 } 2605 // +1 for the space at the end. 2606 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2607 created.add(createdChip); 2608 } 2609 } 2610 } 2611 // Take a look at the last token. If the token has been completed with a 2612 // commit character, create a chip. 2613 if (isCompletedToken(lastAddress)) { 2614 Editable editable = getText(); 2615 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2616 commitChip(tokenStart, editable.length(), editable); 2617 created.add(findChip(tokenStart)); 2618 } 2619 return created; 2620 } 2621 2622 // Visible for testing. 2623 /* package */int movePastTerminators(int tokenEnd) { 2624 if (tokenEnd >= length()) { 2625 return tokenEnd; 2626 } 2627 char atEnd = getText().toString().charAt(tokenEnd); 2628 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2629 tokenEnd++; 2630 } 2631 // This token had not only an end token character, but also a space 2632 // separating it from the next token. 2633 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2634 tokenEnd++; 2635 } 2636 return tokenEnd; 2637 } 2638 2639 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2640 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2641 try { 2642 if (mNoChips) { 2643 return null; 2644 } 2645 return constructChipSpan(entry, false); 2646 } catch (NullPointerException e) { 2647 Log.e(TAG, e.getMessage(), e); 2648 return null; 2649 } 2650 } 2651 2652 @Override 2653 protected void onPreExecute() { 2654 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2655 // replaced 2656 final List<DrawableRecipientChip> originalRecipients = 2657 new ArrayList<DrawableRecipientChip>(); 2658 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2659 for (int i = 0; i < existingChips.length; i++) { 2660 originalRecipients.add(existingChips[i]); 2661 } 2662 if (mRemovedSpans != null) { 2663 originalRecipients.addAll(mRemovedSpans); 2664 } 2665 2666 final List<DrawableRecipientChip> replacements = 2667 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2668 2669 for (final DrawableRecipientChip chip : originalRecipients) { 2670 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2671 && getSpannable().getSpanStart(chip) != -1) { 2672 replacements.add(createFreeChip(chip.getEntry())); 2673 } else { 2674 replacements.add(null); 2675 } 2676 } 2677 2678 processReplacements(originalRecipients, replacements); 2679 } 2680 2681 @Override 2682 protected Void doInBackground(Void... params) { 2683 if (mIndividualReplacements != null) { 2684 mIndividualReplacements.cancel(true); 2685 } 2686 // For each chip in the list, look up the matching contact. 2687 // If there is a match, replace that chip with the matching 2688 // chip. 2689 final ArrayList<DrawableRecipientChip> recipients = 2690 new ArrayList<DrawableRecipientChip>(); 2691 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2692 for (int i = 0; i < existingChips.length; i++) { 2693 recipients.add(existingChips[i]); 2694 } 2695 if (mRemovedSpans != null) { 2696 recipients.addAll(mRemovedSpans); 2697 } 2698 ArrayList<String> addresses = new ArrayList<String>(); 2699 DrawableRecipientChip chip; 2700 for (int i = 0; i < recipients.size(); i++) { 2701 chip = recipients.get(i); 2702 if (chip != null) { 2703 addresses.add(createAddressText(chip.getEntry())); 2704 } 2705 } 2706 final BaseRecipientAdapter adapter = getAdapter(); 2707 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2708 @Override 2709 public void matchesFound(Map<String, RecipientEntry> entries) { 2710 final ArrayList<DrawableRecipientChip> replacements = 2711 new ArrayList<DrawableRecipientChip>(); 2712 for (final DrawableRecipientChip temp : recipients) { 2713 RecipientEntry entry = null; 2714 if (temp != null && RecipientEntry.isCreatedRecipient( 2715 temp.getEntry().getContactId()) 2716 && getSpannable().getSpanStart(temp) != -1) { 2717 // Replace this. 2718 entry = createValidatedEntry( 2719 entries.get(tokenizeAddress(temp.getEntry() 2720 .getDestination()))); 2721 } 2722 if (entry != null) { 2723 replacements.add(createFreeChip(entry)); 2724 } else { 2725 replacements.add(null); 2726 } 2727 } 2728 processReplacements(recipients, replacements); 2729 } 2730 2731 @Override 2732 public void matchesNotFound(final Set<String> unfoundAddresses) { 2733 final List<DrawableRecipientChip> replacements = 2734 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2735 2736 for (final DrawableRecipientChip temp : recipients) { 2737 if (temp != null && RecipientEntry.isCreatedRecipient( 2738 temp.getEntry().getContactId()) 2739 && getSpannable().getSpanStart(temp) != -1) { 2740 if (unfoundAddresses.contains( 2741 temp.getEntry().getDestination())) { 2742 replacements.add(createFreeChip(temp.getEntry())); 2743 } else { 2744 replacements.add(null); 2745 } 2746 } else { 2747 replacements.add(null); 2748 } 2749 } 2750 2751 processReplacements(recipients, replacements); 2752 } 2753 }); 2754 return null; 2755 } 2756 2757 private void processReplacements(final List<DrawableRecipientChip> recipients, 2758 final List<DrawableRecipientChip> replacements) { 2759 if (replacements != null && replacements.size() > 0) { 2760 final Runnable runnable = new Runnable() { 2761 @Override 2762 public void run() { 2763 final Editable text = new SpannableStringBuilder(getText()); 2764 int i = 0; 2765 for (final DrawableRecipientChip chip : recipients) { 2766 final DrawableRecipientChip replacement = replacements.get(i); 2767 if (replacement != null) { 2768 final RecipientEntry oldEntry = chip.getEntry(); 2769 final RecipientEntry newEntry = replacement.getEntry(); 2770 final boolean isBetter = 2771 RecipientAlternatesAdapter.getBetterRecipient( 2772 oldEntry, newEntry) == newEntry; 2773 2774 if (isBetter) { 2775 // Find the location of the chip in the text currently shown. 2776 final int start = text.getSpanStart(chip); 2777 if (start != -1) { 2778 // Replacing the entirety of what the chip represented, 2779 // including the extra space dividing it from other chips. 2780 final int end = 2781 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2782 text.removeSpan(chip); 2783 // Make sure we always have just 1 space at the end to 2784 // separate this chip from the next chip. 2785 final SpannableString displayText = 2786 new SpannableString(createAddressText( 2787 replacement.getEntry()).trim() + " "); 2788 displayText.setSpan(replacement, 0, 2789 displayText.length() - 1, 2790 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2791 // Replace the old text we found with with the new display 2792 // text, which now may also contain the display name of the 2793 // recipient. 2794 text.replace(start, end, displayText); 2795 replacement.setOriginalText(displayText.toString()); 2796 replacements.set(i, null); 2797 2798 recipients.set(i, replacement); 2799 } 2800 } 2801 } 2802 i++; 2803 } 2804 setText(text); 2805 } 2806 }; 2807 2808 if (Looper.myLooper() == Looper.getMainLooper()) { 2809 runnable.run(); 2810 } else { 2811 mHandler.post(runnable); 2812 } 2813 } 2814 } 2815 } 2816 2817 private class IndividualReplacementTask 2818 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2819 @Override 2820 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2821 // For each chip in the list, look up the matching contact. 2822 // If there is a match, replace that chip with the matching 2823 // chip. 2824 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2825 ArrayList<String> addresses = new ArrayList<String>(); 2826 DrawableRecipientChip chip; 2827 for (int i = 0; i < originalRecipients.size(); i++) { 2828 chip = originalRecipients.get(i); 2829 if (chip != null) { 2830 addresses.add(createAddressText(chip.getEntry())); 2831 } 2832 } 2833 final BaseRecipientAdapter adapter = getAdapter(); 2834 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2835 2836 @Override 2837 public void matchesFound(Map<String, RecipientEntry> entries) { 2838 for (final DrawableRecipientChip temp : originalRecipients) { 2839 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2840 .getContactId()) 2841 && getSpannable().getSpanStart(temp) != -1) { 2842 // Replace this. 2843 final RecipientEntry entry = createValidatedEntry(entries 2844 .get(tokenizeAddress(temp.getEntry().getDestination()) 2845 .toLowerCase())); 2846 if (entry != null) { 2847 mHandler.post(new Runnable() { 2848 @Override 2849 public void run() { 2850 replaceChip(temp, entry); 2851 } 2852 }); 2853 } 2854 } 2855 } 2856 } 2857 2858 @Override 2859 public void matchesNotFound(final Set<String> unfoundAddresses) { 2860 // No action required 2861 } 2862 }); 2863 return null; 2864 } 2865 } 2866 2867 2868 /** 2869 * MoreImageSpan is a simple class created for tracking the existence of a 2870 * more chip across activity restarts/ 2871 */ 2872 private class MoreImageSpan extends ReplacementDrawableSpan { 2873 public MoreImageSpan(Drawable b) { 2874 super(b); 2875 setExtraMargin(mLineSpacingExtra); 2876 } 2877 } 2878 2879 @Override 2880 public boolean onDown(MotionEvent e) { 2881 return false; 2882 } 2883 2884 @Override 2885 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2886 // Do nothing. 2887 return false; 2888 } 2889 2890 @Override 2891 public void onLongPress(MotionEvent event) { 2892 if (mSelectedChip != null) { 2893 return; 2894 } 2895 float x = event.getX(); 2896 float y = event.getY(); 2897 final int offset = putOffsetInRange(x, y); 2898 DrawableRecipientChip currentChip = findChip(offset); 2899 if (currentChip != null) { 2900 if (mDragEnabled) { 2901 // Start drag-and-drop for the selected chip. 2902 startDrag(currentChip); 2903 } else { 2904 // Copy the selected chip email address. 2905 showCopyDialog(currentChip.getEntry().getDestination()); 2906 } 2907 } 2908 } 2909 2910 // The following methods are used to provide some functionality on older versions of Android 2911 // These methods were copied out of JB MR2's TextView 2912 ///////////////////////////////////////////////// 2913 private int supportGetOffsetForPosition(float x, float y) { 2914 if (getLayout() == null) return -1; 2915 final int line = supportGetLineAtCoordinate(y); 2916 final int offset = supportGetOffsetAtCoordinate(line, x); 2917 return offset; 2918 } 2919 2920 private float supportConvertToLocalHorizontalCoordinate(float x) { 2921 x -= getTotalPaddingLeft(); 2922 // Clamp the position to inside of the view. 2923 x = Math.max(0.0f, x); 2924 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2925 x += getScrollX(); 2926 return x; 2927 } 2928 2929 private int supportGetLineAtCoordinate(float y) { 2930 y -= getTotalPaddingLeft(); 2931 // Clamp the position to inside of the view. 2932 y = Math.max(0.0f, y); 2933 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2934 y += getScrollY(); 2935 return getLayout().getLineForVertical((int) y); 2936 } 2937 2938 private int supportGetOffsetAtCoordinate(int line, float x) { 2939 x = supportConvertToLocalHorizontalCoordinate(x); 2940 return getLayout().getOffsetForHorizontal(line, x); 2941 } 2942 ///////////////////////////////////////////////// 2943 2944 /** 2945 * Enables drag-and-drop for chips. 2946 */ 2947 public void enableDrag() { 2948 mDragEnabled = true; 2949 } 2950 2951 /** 2952 * Starts drag-and-drop for the selected chip. 2953 */ 2954 private void startDrag(DrawableRecipientChip currentChip) { 2955 String address = currentChip.getEntry().getDestination(); 2956 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2957 2958 // Start drag mode. 2959 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2960 2961 // Remove the current chip, so drag-and-drop will result in a move. 2962 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2963 removeChip(currentChip); 2964 } 2965 2966 /** 2967 * Handles drag event. 2968 */ 2969 @Override 2970 public boolean onDragEvent(DragEvent event) { 2971 switch (event.getAction()) { 2972 case DragEvent.ACTION_DRAG_STARTED: 2973 // Only handle plain text drag and drop. 2974 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2975 case DragEvent.ACTION_DRAG_ENTERED: 2976 requestFocus(); 2977 return true; 2978 case DragEvent.ACTION_DROP: 2979 handlePasteClip(event.getClipData()); 2980 return true; 2981 } 2982 return false; 2983 } 2984 2985 /** 2986 * Drag shadow for a {@link DrawableRecipientChip}. 2987 */ 2988 private final class RecipientChipShadow extends DragShadowBuilder { 2989 private final DrawableRecipientChip mChip; 2990 2991 public RecipientChipShadow(DrawableRecipientChip chip) { 2992 mChip = chip; 2993 } 2994 2995 @Override 2996 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2997 Rect rect = mChip.getBounds(); 2998 shadowSize.set(rect.width(), rect.height()); 2999 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 3000 } 3001 3002 @Override 3003 public void onDrawShadow(Canvas canvas) { 3004 mChip.draw(canvas); 3005 } 3006 } 3007 3008 private void showCopyDialog(final String address) { 3009 if (!mAttachedToWindow) { 3010 return; 3011 } 3012 mCopyAddress = address; 3013 mCopyDialog.setTitle(address); 3014 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 3015 mCopyDialog.setCancelable(true); 3016 mCopyDialog.setCanceledOnTouchOutside(true); 3017 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 3018 button.setOnClickListener(this); 3019 int btnTitleId; 3020 if (isPhoneQuery()) { 3021 btnTitleId = R.string.copy_number; 3022 } else { 3023 btnTitleId = R.string.copy_email; 3024 } 3025 String buttonTitle = getContext().getResources().getString(btnTitleId); 3026 button.setText(buttonTitle); 3027 mCopyDialog.setOnDismissListener(this); 3028 mCopyDialog.show(); 3029 } 3030 3031 @Override 3032 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 3033 // Do nothing. 3034 return false; 3035 } 3036 3037 @Override 3038 public void onShowPress(MotionEvent e) { 3039 // Do nothing. 3040 } 3041 3042 @Override 3043 public boolean onSingleTapUp(MotionEvent e) { 3044 // Do nothing. 3045 return false; 3046 } 3047 3048 @Override 3049 public void onDismiss(DialogInterface dialog) { 3050 mCopyAddress = null; 3051 } 3052 3053 @Override 3054 public void onClick(View v) { 3055 // Copy this to the clipboard. 3056 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 3057 Context.CLIPBOARD_SERVICE); 3058 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 3059 mCopyDialog.dismiss(); 3060 } 3061 3062 protected boolean isPhoneQuery() { 3063 return getAdapter() != null 3064 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 3065 } 3066 3067 @Override 3068 public BaseRecipientAdapter getAdapter() { 3069 return (BaseRecipientAdapter) super.getAdapter(); 3070 } 3071 3072 /** 3073 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 3074 * unfinished text at the end. 3075 */ 3076 public void appendRecipientEntry(final RecipientEntry entry) { 3077 clearComposingText(); 3078 3079 final Editable editable = getText(); 3080 int chipInsertionPoint = 0; 3081 3082 // Find the end of last chip and see if there's any unchipified text. 3083 final DrawableRecipientChip[] recips = getSortedRecipients(); 3084 if (recips != null && recips.length > 0) { 3085 final DrawableRecipientChip last = recips[recips.length - 1]; 3086 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3087 // the insertion point will be kept untouched. 3088 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3089 } 3090 3091 final CharSequence chip = createChip(entry, false); 3092 if (chip != null) { 3093 editable.insert(chipInsertionPoint, chip); 3094 } 3095 } 3096 3097 /** 3098 * Remove all chips matching the given RecipientEntry. 3099 */ 3100 public void removeRecipientEntry(final RecipientEntry entry) { 3101 final DrawableRecipientChip[] recips = getText() 3102 .getSpans(0, getText().length(), DrawableRecipientChip.class); 3103 3104 for (final DrawableRecipientChip recipient : recips) { 3105 final RecipientEntry existingEntry = recipient.getEntry(); 3106 if (existingEntry != null && existingEntry.isValid() && 3107 existingEntry.isSamePerson(entry)) { 3108 removeChip(recipient); 3109 } 3110 } 3111 } 3112 3113 public void setAlternatePopupAnchor(View v) { 3114 mAlternatePopupAnchor = v; 3115 } 3116 3117 private static class ChipBitmapContainer { 3118 Bitmap bitmap; 3119 // information used for positioning the loaded icon 3120 boolean loadIcon = true; 3121 float left; 3122 float top; 3123 float right; 3124 float bottom; 3125 } 3126} 3127