RecipientEditTextView.java revision 972def7a06f7d820313228c5b1311ccbe8096be0
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.Canvas; 32import android.graphics.Matrix; 33import android.graphics.Paint; 34import android.graphics.Point; 35import android.graphics.Rect; 36import android.graphics.RectF; 37import android.graphics.drawable.BitmapDrawable; 38import android.graphics.drawable.Drawable; 39import android.os.AsyncTask; 40import android.os.Build; 41import android.os.Handler; 42import android.os.Looper; 43import android.os.Message; 44import android.os.Parcelable; 45import android.text.Editable; 46import android.text.InputType; 47import android.text.Layout; 48import android.text.Spannable; 49import android.text.SpannableString; 50import android.text.SpannableStringBuilder; 51import android.text.Spanned; 52import android.text.TextPaint; 53import android.text.TextUtils; 54import android.text.TextWatcher; 55import android.text.method.QwertyKeyListener; 56import android.text.style.ImageSpan; 57import android.text.util.Rfc822Token; 58import android.text.util.Rfc822Tokenizer; 59import android.util.AttributeSet; 60import android.util.Log; 61import android.util.TypedValue; 62import android.view.ActionMode; 63import android.view.ActionMode.Callback; 64import android.view.DragEvent; 65import android.view.GestureDetector; 66import android.view.KeyEvent; 67import android.view.LayoutInflater; 68import android.view.Menu; 69import android.view.MenuItem; 70import android.view.MotionEvent; 71import android.view.View; 72import android.view.View.OnClickListener; 73import android.view.ViewParent; 74import android.view.inputmethod.EditorInfo; 75import android.view.inputmethod.InputConnection; 76import android.widget.AdapterView; 77import android.widget.AdapterView.OnItemClickListener; 78import android.widget.Button; 79import android.widget.Filterable; 80import android.widget.ListAdapter; 81import android.widget.ListPopupWindow; 82import android.widget.ListView; 83import android.widget.MultiAutoCompleteTextView; 84import android.widget.ScrollView; 85import android.widget.TextView; 86 87import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 88import com.android.ex.chips.recipientchip.DrawableRecipientChip; 89import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 90import com.android.ex.chips.recipientchip.VisibleRecipientChip; 91 92import java.util.ArrayList; 93import java.util.Arrays; 94import java.util.Collections; 95import java.util.Comparator; 96import java.util.List; 97import java.util.Map; 98import java.util.Set; 99import java.util.regex.Matcher; 100import java.util.regex.Pattern; 101 102/** 103 * RecipientEditTextView is an auto complete text view for use with applications 104 * that use the new Chips UI for addressing a message to recipients. 105 */ 106public class RecipientEditTextView extends MultiAutoCompleteTextView implements 107 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 108 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 109 TextView.OnEditorActionListener { 110 111 private static final char COMMIT_CHAR_COMMA = ','; 112 113 private static final char COMMIT_CHAR_SEMICOLON = ';'; 114 115 private static final char COMMIT_CHAR_SPACE = ' '; 116 117 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 118 + String.valueOf(COMMIT_CHAR_SPACE); 119 120 private static final String TAG = "RecipientEditTextView"; 121 122 private static final int DISMISS = "dismiss".hashCode(); 123 124 private static final long DISMISS_DELAY = 300; 125 126 // TODO: get correct number/ algorithm from with UX. 127 // Visible for testing. 128 /*package*/ static final int CHIP_LIMIT = 2; 129 130 private static final int MAX_CHIPS_PARSED = 50; 131 132 private static int sSelectedTextColor = -1; 133 134 // Resources for displaying chips. 135 private Drawable mChipBackground = null; 136 137 private Drawable mChipDelete = null; 138 139 private Drawable mInvalidChipBackground; 140 141 private Drawable mChipBackgroundPressed; 142 143 private float mChipHeight; 144 145 private float mChipFontSize; 146 147 private float mLineSpacingExtra; 148 149 private int mChipPadding; 150 151 /** 152 * Enumerator for avatar position. See attr.xml for more details. 153 * 0 for end, 1 for start. 154 */ 155 private int mAvatarPosition; 156 157 private static final int AVATAR_POSITION_END = 0; 158 159 private static final int AVATAR_POSITION_START = 1; 160 161 /** 162 * Enumerator for image span alignment. See attr.xml for more details. 163 * 0 for bottom, 1 for baseline. 164 */ 165 private int mImageSpanAlignment; 166 167 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 168 169 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 170 171 172 private boolean mDisableDelete; 173 174 private Tokenizer mTokenizer; 175 176 private Validator mValidator; 177 178 private DrawableRecipientChip mSelectedChip; 179 180 private Bitmap mDefaultContactPhoto; 181 182 private ImageSpan mMoreChip; 183 184 private TextView mMoreItem; 185 186 // VisibleForTesting 187 final ArrayList<String> mPendingChips = new ArrayList<String>(); 188 189 private Handler mHandler; 190 191 private int mPendingChipsCount = 0; 192 193 private boolean mNoChips = false; 194 195 private ListPopupWindow mAlternatesPopup; 196 197 private ListPopupWindow mAddressPopup; 198 199 // VisibleForTesting 200 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 201 202 private ArrayList<DrawableRecipientChip> mRemovedSpans; 203 204 private boolean mShouldShrink = true; 205 206 // Chip copy fields. 207 private GestureDetector mGestureDetector; 208 209 private Dialog mCopyDialog; 210 211 private String mCopyAddress; 212 213 /** 214 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 215 * selected chip. 216 */ 217 private OnItemClickListener mAlternatesListener; 218 219 private int mCheckedItem; 220 221 private TextWatcher mTextWatcher; 222 223 // Obtain the enclosing scroll view, if it exists, so that the view can be 224 // scrolled to show the last line of chips content. 225 private ScrollView mScrollView; 226 227 private boolean mTriedGettingScrollView; 228 229 private boolean mDragEnabled = false; 230 231 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 232 // parens, so numbers such as "1 (425) 222-2342" match. 233 private static final Pattern PHONE_PATTERN 234 = Pattern.compile( // sdd = space, dot, or dash 235 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 236 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 237 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 238 239 private final Runnable mAddTextWatcher = new Runnable() { 240 @Override 241 public void run() { 242 if (mTextWatcher == null) { 243 mTextWatcher = new RecipientTextWatcher(); 244 addTextChangedListener(mTextWatcher); 245 } 246 } 247 }; 248 249 private IndividualReplacementTask mIndividualReplacements; 250 251 private Runnable mHandlePendingChips = new Runnable() { 252 253 @Override 254 public void run() { 255 handlePendingChips(); 256 } 257 258 }; 259 260 private Runnable mDelayedShrink = new Runnable() { 261 262 @Override 263 public void run() { 264 shrink(); 265 } 266 267 }; 268 269 private int mMaxLines; 270 271 private static int sExcessTopPadding = -1; 272 273 private int mActionBarHeight; 274 275 private boolean mAttachedToWindow; 276 277 private DropdownChipLayouter mDropdownChipLayouter; 278 279 private RecipientEntryItemClickedListener mRecipientEntryItemClickedListener; 280 281 public interface RecipientEntryItemClickedListener { 282 /** 283 * Callback that occurs whenever an auto-complete suggestion is clicked. 284 * @param charactersTyped the number of characters typed by the user to provide the 285 * auto-complete suggestions. 286 * @param position the position in the dropdown list that the user clicked 287 */ 288 void onRecipientEntryItemClicked(int charactersTyped, int position); 289 } 290 291 public RecipientEditTextView(Context context, AttributeSet attrs) { 292 super(context, attrs); 293 setChipDimensions(context, attrs); 294 if (sSelectedTextColor == -1) { 295 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 296 } 297 mAlternatesPopup = new ListPopupWindow(context); 298 mAddressPopup = new ListPopupWindow(context); 299 mCopyDialog = new Dialog(context); 300 mAlternatesListener = new OnItemClickListener() { 301 @Override 302 public void onItemClick(AdapterView<?> adapterView,View view, int position, 303 long rowId) { 304 mAlternatesPopup.setOnItemClickListener(null); 305 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 306 .getRecipientEntry(position)); 307 Message delayed = Message.obtain(mHandler, DISMISS); 308 delayed.obj = mAlternatesPopup; 309 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 310 clearComposingText(); 311 } 312 }; 313 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 314 setOnItemClickListener(this); 315 setCustomSelectionActionModeCallback(this); 316 mHandler = new Handler() { 317 @Override 318 public void handleMessage(Message msg) { 319 if (msg.what == DISMISS) { 320 ((ListPopupWindow) msg.obj).dismiss(); 321 return; 322 } 323 super.handleMessage(msg); 324 } 325 }; 326 mTextWatcher = new RecipientTextWatcher(); 327 addTextChangedListener(mTextWatcher); 328 mGestureDetector = new GestureDetector(context, this); 329 setOnEditorActionListener(this); 330 331 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 332 } 333 334 public void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 335 mDropdownChipLayouter = dropdownChipLayouter; 336 } 337 338 public void setRecipientEntryItemClickedListener(RecipientEntryItemClickedListener listener) { 339 mRecipientEntryItemClickedListener = listener; 340 } 341 342 @Override 343 protected void onDetachedFromWindow() { 344 super.onDetachedFromWindow(); 345 mAttachedToWindow = false; 346 } 347 348 @Override 349 protected void onAttachedToWindow() { 350 super.onAttachedToWindow(); 351 mAttachedToWindow = true; 352 } 353 354 @Override 355 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 356 if (action == EditorInfo.IME_ACTION_DONE) { 357 if (commitDefault()) { 358 return true; 359 } 360 if (mSelectedChip != null) { 361 clearSelectedChip(); 362 return true; 363 } else if (focusNext()) { 364 return true; 365 } 366 } 367 return false; 368 } 369 370 @Override 371 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 372 InputConnection connection = super.onCreateInputConnection(outAttrs); 373 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 374 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 375 // clear the existing action 376 outAttrs.imeOptions ^= imeActions; 377 // set the DONE action 378 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 379 } 380 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 381 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 382 } 383 384 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 385 outAttrs.actionLabel = getContext().getString(R.string.done); 386 return connection; 387 } 388 389 /*package*/ DrawableRecipientChip getLastChip() { 390 DrawableRecipientChip last = null; 391 DrawableRecipientChip[] chips = getSortedRecipients(); 392 if (chips != null && chips.length > 0) { 393 last = chips[chips.length - 1]; 394 } 395 return last; 396 } 397 398 /** 399 * @return The list of {@link RecipientEntry}s that have been selected by the user. 400 */ 401 public List<RecipientEntry> getSelectedRecipients() { 402 DrawableRecipientChip[] chips = 403 getText().getSpans(0, getText().length(), DrawableRecipientChip.class); 404 List<RecipientEntry> results = new ArrayList(); 405 if (chips == null) { 406 return results; 407 } 408 409 for (DrawableRecipientChip c : chips) { 410 results.add(c.getEntry()); 411 } 412 413 return results; 414 } 415 416 @Override 417 public void onSelectionChanged(int start, int end) { 418 // When selection changes, see if it is inside the chips area. 419 // If so, move the cursor back after the chips again. 420 DrawableRecipientChip last = getLastChip(); 421 if (last != null && start < getSpannable().getSpanEnd(last)) { 422 // Grab the last chip and set the cursor to after it. 423 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 424 } 425 super.onSelectionChanged(start, end); 426 } 427 428 @Override 429 public void onRestoreInstanceState(Parcelable state) { 430 if (!TextUtils.isEmpty(getText())) { 431 super.onRestoreInstanceState(null); 432 } else { 433 super.onRestoreInstanceState(state); 434 } 435 } 436 437 @Override 438 public Parcelable onSaveInstanceState() { 439 // If the user changes orientation while they are editing, just roll back the selection. 440 clearSelectedChip(); 441 return super.onSaveInstanceState(); 442 } 443 444 /** 445 * Convenience method: Append the specified text slice to the TextView's 446 * display buffer, upgrading it to BufferType.EDITABLE if it was 447 * not already editable. Commas are excluded as they are added automatically 448 * by the view. 449 */ 450 @Override 451 public void append(CharSequence text, int start, int end) { 452 // We don't care about watching text changes while appending. 453 if (mTextWatcher != null) { 454 removeTextChangedListener(mTextWatcher); 455 } 456 super.append(text, start, end); 457 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 458 String displayString = text.toString(); 459 460 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 461 // We have no separator, so we should add it 462 super.append(SEPARATOR, 0, SEPARATOR.length()); 463 displayString += SEPARATOR; 464 } 465 466 if (!TextUtils.isEmpty(displayString) 467 && TextUtils.getTrimmedLength(displayString) > 0) { 468 mPendingChipsCount++; 469 mPendingChips.add(displayString); 470 } 471 } 472 // Put a message on the queue to make sure we ALWAYS handle pending 473 // chips. 474 if (mPendingChipsCount > 0) { 475 postHandlePendingChips(); 476 } 477 mHandler.post(mAddTextWatcher); 478 } 479 480 @Override 481 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 482 super.onFocusChanged(hasFocus, direction, previous); 483 if (!hasFocus) { 484 shrink(); 485 } else { 486 expand(); 487 } 488 } 489 490 private int getExcessTopPadding() { 491 if (sExcessTopPadding == -1) { 492 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 493 } 494 return sExcessTopPadding; 495 } 496 497 @Override 498 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 499 super.setAdapter(adapter); 500 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 501 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 502 @Override 503 public void onChanged(List<RecipientEntry> entries) { 504 // Scroll the chips field to the top of the screen so 505 // that the user can see as many results as possible. 506 if (entries != null && entries.size() > 0) { 507 scrollBottomIntoView(); 508 } 509 } 510 }); 511 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 512 } 513 514 protected void scrollBottomIntoView() { 515 if (mScrollView != null && mShouldShrink) { 516 int[] location = new int[2]; 517 getLocationOnScreen(location); 518 int height = getHeight(); 519 int currentPos = location[1] + height; 520 // Desired position shows at least 1 line of chips below the action 521 // bar. We add excess padding to make sure this is always below other 522 // content. 523 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 524 if (currentPos > desiredPos) { 525 mScrollView.scrollBy(0, currentPos - desiredPos); 526 } 527 } 528 } 529 530 protected ScrollView getScrollView() { 531 return mScrollView; 532 } 533 534 @Override 535 public void performValidation() { 536 // Do nothing. Chips handles its own validation. 537 } 538 539 private void shrink() { 540 if (mTokenizer == null) { 541 return; 542 } 543 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 544 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 545 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 546 clearSelectedChip(); 547 } else { 548 if (getWidth() <= 0) { 549 // We don't have the width yet which means the view hasn't been drawn yet 550 // and there is no reason to attempt to commit chips yet. 551 // This focus lost must be the result of an orientation change 552 // or an initial rendering. 553 // Re-post the shrink for later. 554 mHandler.removeCallbacks(mDelayedShrink); 555 mHandler.post(mDelayedShrink); 556 return; 557 } 558 // Reset any pending chips as they would have been handled 559 // when the field lost focus. 560 if (mPendingChipsCount > 0) { 561 postHandlePendingChips(); 562 } else { 563 Editable editable = getText(); 564 int end = getSelectionEnd(); 565 int start = mTokenizer.findTokenStart(editable, end); 566 DrawableRecipientChip[] chips = 567 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 568 if ((chips == null || chips.length == 0)) { 569 Editable text = getText(); 570 int whatEnd = mTokenizer.findTokenEnd(text, start); 571 // This token was already tokenized, so skip past the ending token. 572 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 573 whatEnd = movePastTerminators(whatEnd); 574 } 575 // In the middle of chip; treat this as an edit 576 // and commit the whole token. 577 int selEnd = getSelectionEnd(); 578 if (whatEnd != selEnd) { 579 handleEdit(start, whatEnd); 580 } else { 581 commitChip(start, end, editable); 582 } 583 } 584 } 585 mHandler.post(mAddTextWatcher); 586 } 587 createMoreChip(); 588 } 589 590 private void expand() { 591 if (mShouldShrink) { 592 setMaxLines(Integer.MAX_VALUE); 593 } 594 removeMoreChip(); 595 setCursorVisible(true); 596 Editable text = getText(); 597 setSelection(text != null && text.length() > 0 ? text.length() : 0); 598 // If there are any temporary chips, try replacing them now that the user 599 // has expanded the field. 600 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 601 new RecipientReplacementTask().execute(); 602 mTemporaryRecipients = null; 603 } 604 } 605 606 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 607 paint.setTextSize(mChipFontSize); 608 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 609 Log.d(TAG, "Max width is negative: " + maxWidth); 610 } 611 return TextUtils.ellipsize(text, paint, maxWidth, 612 TextUtils.TruncateAt.END); 613 } 614 615 /** 616 * Creates a bitmap of the given contact on a selected chip. 617 * 618 * @param contact The recipient entry to pull data from. 619 * @param paint The paint to use to draw the bitmap. 620 */ 621 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 622 paint.setColor(sSelectedTextColor); 623 Bitmap photo; 624 if (mDisableDelete) { 625 // Show the avatar instead if we don't want to delete 626 photo = getAvatarIcon(contact); 627 } else { 628 photo = ((BitmapDrawable) mChipDelete).getBitmap(); 629 } 630 return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); 631 } 632 633 /** 634 * Creates a bitmap of the given contact on a selected chip. 635 * 636 * @param contact The recipient entry to pull data from. 637 * @param paint The paint to use to draw the bitmap. 638 */ 639 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint) { 640 Drawable background = getChipBackground(contact); 641 Bitmap photo = getAvatarIcon(contact); 642 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 643 return createChipBitmap(contact, paint, photo, background); 644 } 645 646 private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint, Bitmap icon, 647 Drawable background) { 648 if (background == null) { 649 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 650 return Bitmap.createBitmap( 651 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 652 } 653 654 Rect backgroundPadding = new Rect(); 655 background.getPadding(backgroundPadding); 656 657 // Ellipsize the text so that it takes AT MOST the entire width of the 658 // autocomplete text entry area. Make sure to leave space for padding 659 // on the sides. 660 int height = (int) mChipHeight; 661 // Since the icon is a square, it's width is equal to the maximum height it can be inside 662 // the chip. 663 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 664 float[] widths = new float[1]; 665 paint.getTextWidths(" ", widths); 666 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 667 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 668 - backgroundPadding.right);; 669 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 670 671 // Make sure there is a minimum chip width so the user can ALWAYS 672 // tap a chip without difficulty. 673 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 674 + backgroundPadding.left + backgroundPadding.right); 675 676 // Create the background of the chip. 677 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 678 Canvas canvas = new Canvas(tmpBitmap); 679 680 // Draw the background drawable 681 background.setBounds(0, 0, width, height); 682 background.draw(canvas); 683 // Draw the text vertically aligned 684 int textX = shouldPositionAvatarOnRight() ? 685 mChipPadding + backgroundPadding.left : 686 width - backgroundPadding.right - mChipPadding - textWidth; 687 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 688 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 689 if (icon != null) { 690 // Draw the icon 691 int iconX = shouldPositionAvatarOnRight() ? 692 width - backgroundPadding.right - iconWidth : 693 backgroundPadding.left; 694 RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 695 RectF dst = new RectF(iconX, 696 0 + backgroundPadding.top, 697 iconX + iconWidth, 698 height - backgroundPadding.bottom); 699 drawIconOnCanvas(icon, canvas, paint, src, dst); 700 } 701 return tmpBitmap; 702 } 703 704 /** 705 * Returns true if the avatar should be positioned at the right edge of the chip. 706 * Takes into account both the set avatar position (start or end) as well as whether 707 * the layout direction is LTR or RTL. 708 */ 709 private boolean shouldPositionAvatarOnRight() { 710 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 711 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 712 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 713 // If in Rtl mode, the position should be flipped. 714 return isRtl ? !assignedPosition : assignedPosition; 715 } 716 717 /** 718 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 719 * draw an icon for this recipient. 720 */ 721 private Bitmap getAvatarIcon(RecipientEntry contact) { 722 // Don't draw photos for recipients that have been typed in OR generated on the fly. 723 long contactId = contact.getContactId(); 724 boolean drawPhotos = isPhoneQuery() ? 725 contactId != RecipientEntry.INVALID_CONTACT 726 : (contactId != RecipientEntry.INVALID_CONTACT 727 && (contactId != RecipientEntry.GENERATED_CONTACT && 728 !TextUtils.isEmpty(contact.getDisplayName()))); 729 730 if (drawPhotos) { 731 byte[] photoBytes = contact.getPhotoBytes(); 732 // There may not be a photo yet if anything but the first contact address 733 // was selected. 734 if (photoBytes == null && (contact.getPhotoThumbnailUri() != null || 735 getAdapter().ignoreNullThumbnailUri())) { 736 // TODO: cache this in the recipient entry? 737 getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); 738 photoBytes = contact.getPhotoBytes(); 739 } 740 if (photoBytes != null) { 741 return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 742 } else { 743 // TODO: can the scaled down default photo be cached? 744 return mDefaultContactPhoto; 745 } 746 } 747 748 return null; 749 } 750 751 /** 752 * Get the background drawable for a RecipientChip. 753 */ 754 // Visible for testing. 755 /* package */Drawable getChipBackground(RecipientEntry contact) { 756 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 757 } 758 759 /** 760 * Given a height, returns a Y offset that will draw the text in the middle of the height. 761 */ 762 protected float getTextYOffset(String text, TextPaint paint, int height) { 763 Rect bounds = new Rect(); 764 paint.getTextBounds(text, 0, text.length(), bounds); 765 int textHeight = bounds.bottom - bounds.top ; 766 return height - ((height - textHeight) / 2) - (int)paint.descent(); 767 } 768 769 /** 770 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 771 * rectangle of the canvas. 772 */ 773 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 774 Matrix matrix = new Matrix(); 775 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 776 canvas.drawBitmap(icon, matrix, paint); 777 } 778 779 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed) 780 throws NullPointerException { 781 if (mChipBackground == null) { 782 throw new NullPointerException( 783 "Unable to render any chips as setChipDimensions was not called."); 784 } 785 786 TextPaint paint = getPaint(); 787 float defaultSize = paint.getTextSize(); 788 int defaultColor = paint.getColor(); 789 790 Bitmap tmpBitmap; 791 if (pressed) { 792 tmpBitmap = createSelectedChip(contact, paint); 793 794 } else { 795 tmpBitmap = createUnselectedChip(contact, paint); 796 } 797 798 // Pass the full text, un-ellipsized, to the chip. 799 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 800 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 801 DrawableRecipientChip recipientChip = 802 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 803 // Return text to the original size. 804 paint.setTextSize(defaultSize); 805 paint.setColor(defaultColor); 806 return recipientChip; 807 } 808 809 private int getImageSpanAlignment() { 810 switch (mImageSpanAlignment) { 811 case IMAGE_SPAN_ALIGNMENT_BASELINE: 812 return ImageSpan.ALIGN_BASELINE; 813 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 814 return ImageSpan.ALIGN_BOTTOM; 815 default: 816 return ImageSpan.ALIGN_BOTTOM; 817 } 818 } 819 820 /** 821 * Calculate the bottom of the line the chip will be located on using: 822 * 1) which line the chip appears on 823 * 2) the height of a chip 824 * 3) padding built into the edit text view 825 */ 826 private int calculateOffsetFromBottom(int line) { 827 // Line offsets start at zero. 828 int actualLine = getLineCount() - (line + 1); 829 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 830 + getDropDownVerticalOffset(); 831 } 832 833 /** 834 * Get the max amount of space a chip can take up. The formula takes into 835 * account the width of the EditTextView, any view padding, and padding 836 * that will be added to the chip. 837 */ 838 private float calculateAvailableWidth() { 839 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 840 } 841 842 843 private void setChipDimensions(Context context, AttributeSet attrs) { 844 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 845 0); 846 Resources r = getContext().getResources(); 847 848 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 849 if (mChipBackground == null) { 850 mChipBackground = r.getDrawable(R.drawable.chip_background); 851 } 852 mChipBackgroundPressed = a 853 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 854 if (mChipBackgroundPressed == null) { 855 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 856 } 857 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 858 if (mChipDelete == null) { 859 mChipDelete = r.getDrawable(R.drawable.chip_delete); 860 } 861 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 862 if (mChipPadding == -1) { 863 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 864 } 865 866 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 867 868 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 869 870 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 871 if (mChipHeight == -1) { 872 mChipHeight = r.getDimension(R.dimen.chip_height); 873 } 874 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 875 if (mChipFontSize == -1) { 876 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 877 } 878 mInvalidChipBackground = a 879 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 880 if (mInvalidChipBackground == null) { 881 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 882 } 883 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 884 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 885 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 886 887 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 888 mMaxLines = r.getInteger(R.integer.chips_max_lines); 889 TypedValue tv = new TypedValue(); 890 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 891 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 892 .getDisplayMetrics()); 893 } 894 895 a.recycle(); 896 } 897 898 // Visible for testing. 899 /* package */ void setMoreItem(TextView moreItem) { 900 mMoreItem = moreItem; 901 } 902 903 904 // Visible for testing. 905 /* package */ void setChipBackground(Drawable chipBackground) { 906 mChipBackground = chipBackground; 907 } 908 909 // Visible for testing. 910 /* package */ void setChipHeight(int height) { 911 mChipHeight = height; 912 } 913 914 public float getChipHeight() { 915 return mChipHeight; 916 } 917 918 /** 919 * Set whether to shrink the recipients field such that at most 920 * one line of recipients chips are shown when the field loses 921 * focus. By default, the number of displayed recipients will be 922 * limited and a "more" chip will be shown when focus is lost. 923 * @param shrink 924 */ 925 public void setOnFocusListShrinkRecipients(boolean shrink) { 926 mShouldShrink = shrink; 927 } 928 929 @Override 930 public void onSizeChanged(int width, int height, int oldw, int oldh) { 931 super.onSizeChanged(width, height, oldw, oldh); 932 if (width != 0 && height != 0) { 933 if (mPendingChipsCount > 0) { 934 postHandlePendingChips(); 935 } else { 936 checkChipWidths(); 937 } 938 } 939 // Try to find the scroll view parent, if it exists. 940 if (mScrollView == null && !mTriedGettingScrollView) { 941 ViewParent parent = getParent(); 942 while (parent != null && !(parent instanceof ScrollView)) { 943 parent = parent.getParent(); 944 } 945 if (parent != null) { 946 mScrollView = (ScrollView) parent; 947 } 948 mTriedGettingScrollView = true; 949 } 950 } 951 952 private void postHandlePendingChips() { 953 mHandler.removeCallbacks(mHandlePendingChips); 954 mHandler.post(mHandlePendingChips); 955 } 956 957 private void checkChipWidths() { 958 // Check the widths of the associated chips. 959 DrawableRecipientChip[] chips = getSortedRecipients(); 960 if (chips != null) { 961 Rect bounds; 962 for (DrawableRecipientChip chip : chips) { 963 bounds = chip.getBounds(); 964 if (getWidth() > 0 && bounds.right - bounds.left > 965 getWidth() - getPaddingLeft() - getPaddingRight()) { 966 // Need to redraw that chip. 967 replaceChip(chip, chip.getEntry()); 968 } 969 } 970 } 971 } 972 973 // Visible for testing. 974 /*package*/ void handlePendingChips() { 975 if (getViewWidth() <= 0) { 976 // The widget has not been sized yet. 977 // This will be called as a result of onSizeChanged 978 // at a later point. 979 return; 980 } 981 if (mPendingChipsCount <= 0) { 982 return; 983 } 984 985 synchronized (mPendingChips) { 986 Editable editable = getText(); 987 // Tokenize! 988 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 989 for (int i = 0; i < mPendingChips.size(); i++) { 990 String current = mPendingChips.get(i); 991 int tokenStart = editable.toString().indexOf(current); 992 // Always leave a space at the end between tokens. 993 int tokenEnd = tokenStart + current.length() - 1; 994 if (tokenStart >= 0) { 995 // When we have a valid token, include it with the token 996 // to the left. 997 if (tokenEnd < editable.length() - 2 998 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 999 tokenEnd++; 1000 } 1001 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 1002 || !mShouldShrink); 1003 } 1004 mPendingChipsCount--; 1005 } 1006 sanitizeEnd(); 1007 } else { 1008 mNoChips = true; 1009 } 1010 1011 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 1012 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 1013 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 1014 new RecipientReplacementTask().execute(); 1015 mTemporaryRecipients = null; 1016 } else { 1017 // Create the "more" chip 1018 mIndividualReplacements = new IndividualReplacementTask(); 1019 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 1020 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 1021 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 1022 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 1023 mTemporaryRecipients.subList(CHIP_LIMIT, 1024 mTemporaryRecipients.size())); 1025 } else { 1026 mTemporaryRecipients = null; 1027 } 1028 createMoreChip(); 1029 } 1030 } else { 1031 // There are too many recipients to look up, so just fall back 1032 // to showing addresses for all of them. 1033 mTemporaryRecipients = null; 1034 createMoreChip(); 1035 } 1036 mPendingChipsCount = 0; 1037 mPendingChips.clear(); 1038 } 1039 } 1040 1041 // Visible for testing. 1042 /*package*/ int getViewWidth() { 1043 return getWidth(); 1044 } 1045 1046 /** 1047 * Remove any characters after the last valid chip. 1048 */ 1049 // Visible for testing. 1050 /*package*/ void sanitizeEnd() { 1051 // Don't sanitize while we are waiting for pending chips to complete. 1052 if (mPendingChipsCount > 0) { 1053 return; 1054 } 1055 // Find the last chip; eliminate any commit characters after it. 1056 DrawableRecipientChip[] chips = getSortedRecipients(); 1057 Spannable spannable = getSpannable(); 1058 if (chips != null && chips.length > 0) { 1059 int end; 1060 mMoreChip = getMoreChip(); 1061 if (mMoreChip != null) { 1062 end = spannable.getSpanEnd(mMoreChip); 1063 } else { 1064 end = getSpannable().getSpanEnd(getLastChip()); 1065 } 1066 Editable editable = getText(); 1067 int length = editable.length(); 1068 if (length > end) { 1069 // See what characters occur after that and eliminate them. 1070 if (Log.isLoggable(TAG, Log.DEBUG)) { 1071 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1072 + editable); 1073 } 1074 editable.delete(end + 1, length); 1075 } 1076 } 1077 } 1078 1079 /** 1080 * Create a chip that represents just the email address of a recipient. At some later 1081 * point, this chip will be attached to a real contact entry, if one exists. 1082 */ 1083 // VisibleForTesting 1084 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1085 boolean visible) { 1086 if (alreadyHasChip(tokenStart, tokenEnd)) { 1087 // There is already a chip present at this location. 1088 // Don't recreate it. 1089 return; 1090 } 1091 String token = editable.toString().substring(tokenStart, tokenEnd); 1092 final String trimmedToken = token.trim(); 1093 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1094 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1095 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1096 } 1097 RecipientEntry entry = createTokenizedEntry(token); 1098 if (entry != null) { 1099 DrawableRecipientChip chip = null; 1100 try { 1101 if (!mNoChips) { 1102 chip = visible ? 1103 constructChipSpan(entry, false) : new InvisibleRecipientChip(entry); 1104 } 1105 } catch (NullPointerException e) { 1106 Log.e(TAG, e.getMessage(), e); 1107 } 1108 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1109 // Add this chip to the list of entries "to replace" 1110 if (chip != null) { 1111 if (mTemporaryRecipients == null) { 1112 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1113 } 1114 chip.setOriginalText(token); 1115 mTemporaryRecipients.add(chip); 1116 } 1117 } 1118 } 1119 1120 private static boolean isPhoneNumber(String number) { 1121 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1122 // PhoneNumberUtil). One complication is that it requires the sender's region which 1123 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1124 if (TextUtils.isEmpty(number)) { 1125 return false; 1126 } 1127 1128 Matcher match = PHONE_PATTERN.matcher(number); 1129 return match.matches(); 1130 } 1131 1132 // VisibleForTesting 1133 RecipientEntry createTokenizedEntry(final String token) { 1134 if (TextUtils.isEmpty(token)) { 1135 return null; 1136 } 1137 if (isPhoneQuery() && isPhoneNumber(token)) { 1138 return RecipientEntry.constructFakePhoneEntry(token, true); 1139 } 1140 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1141 String display = null; 1142 boolean isValid = isValid(token); 1143 if (isValid && tokens != null && tokens.length > 0) { 1144 // If we can get a name from tokenizing, then generate an entry from 1145 // this. 1146 display = tokens[0].getName(); 1147 if (!TextUtils.isEmpty(display)) { 1148 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1149 isValid); 1150 } else { 1151 display = tokens[0].getAddress(); 1152 if (!TextUtils.isEmpty(display)) { 1153 return RecipientEntry.constructFakeEntry(display, isValid); 1154 } 1155 } 1156 } 1157 // Unable to validate the token or to create a valid token from it. 1158 // Just create a chip the user can edit. 1159 String validatedToken = null; 1160 if (mValidator != null && !isValid) { 1161 // Try fixing up the entry using the validator. 1162 validatedToken = mValidator.fixText(token).toString(); 1163 if (!TextUtils.isEmpty(validatedToken)) { 1164 if (validatedToken.contains(token)) { 1165 // protect against the case of a validator with a null 1166 // domain, 1167 // which doesn't add a domain to the token 1168 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1169 if (tokenized.length > 0) { 1170 validatedToken = tokenized[0].getAddress(); 1171 isValid = true; 1172 } 1173 } else { 1174 // We ran into a case where the token was invalid and 1175 // removed 1176 // by the validator. In this case, just use the original 1177 // token 1178 // and let the user sort out the error chip. 1179 validatedToken = null; 1180 isValid = false; 1181 } 1182 } 1183 } 1184 // Otherwise, fallback to just creating an editable email address chip. 1185 return RecipientEntry.constructFakeEntry( 1186 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1187 } 1188 1189 private boolean isValid(String text) { 1190 return mValidator == null ? true : mValidator.isValid(text); 1191 } 1192 1193 private static String tokenizeAddress(String destination) { 1194 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1195 if (tokens != null && tokens.length > 0) { 1196 return tokens[0].getAddress(); 1197 } 1198 return destination; 1199 } 1200 1201 @Override 1202 public void setTokenizer(Tokenizer tokenizer) { 1203 mTokenizer = tokenizer; 1204 super.setTokenizer(mTokenizer); 1205 } 1206 1207 @Override 1208 public void setValidator(Validator validator) { 1209 mValidator = validator; 1210 super.setValidator(validator); 1211 } 1212 1213 /** 1214 * We cannot use the default mechanism for replaceText. Instead, 1215 * we override onItemClickListener so we can get all the associated 1216 * contact information including display text, address, and id. 1217 */ 1218 @Override 1219 protected void replaceText(CharSequence text) { 1220 return; 1221 } 1222 1223 /** 1224 * Dismiss any selected chips when the back key is pressed. 1225 */ 1226 @Override 1227 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1228 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1229 clearSelectedChip(); 1230 return true; 1231 } 1232 return super.onKeyPreIme(keyCode, event); 1233 } 1234 1235 /** 1236 * Monitor key presses in this view to see if the user types 1237 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1238 * If the user has entered text that has contact matches and types 1239 * a commit key, create a chip from the topmost matching contact. 1240 * If the user has entered text that has no contact matches and types 1241 * a commit key, then create a chip from the text they have entered. 1242 */ 1243 @Override 1244 public boolean onKeyUp(int keyCode, KeyEvent event) { 1245 switch (keyCode) { 1246 case KeyEvent.KEYCODE_TAB: 1247 if (event.hasNoModifiers()) { 1248 if (mSelectedChip != null) { 1249 clearSelectedChip(); 1250 } else { 1251 commitDefault(); 1252 } 1253 } 1254 break; 1255 } 1256 return super.onKeyUp(keyCode, event); 1257 } 1258 1259 private boolean focusNext() { 1260 View next = focusSearch(View.FOCUS_DOWN); 1261 if (next != null) { 1262 next.requestFocus(); 1263 return true; 1264 } 1265 return false; 1266 } 1267 1268 /** 1269 * Create a chip from the default selection. If the popup is showing, the 1270 * default is the selected item (if one is selected), or the first item, in the popup 1271 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1272 * tokenizer should search for a token to turn into a chip. 1273 * @return If a chip was created from a real contact. 1274 */ 1275 private boolean commitDefault() { 1276 // If there is no tokenizer, don't try to commit. 1277 if (mTokenizer == null) { 1278 return false; 1279 } 1280 Editable editable = getText(); 1281 int end = getSelectionEnd(); 1282 int start = mTokenizer.findTokenStart(editable, end); 1283 1284 if (shouldCreateChip(start, end)) { 1285 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1286 // In the middle of chip; treat this as an edit 1287 // and commit the whole token. 1288 whatEnd = movePastTerminators(whatEnd); 1289 if (whatEnd != getSelectionEnd()) { 1290 handleEdit(start, whatEnd); 1291 return true; 1292 } 1293 return commitChip(start, end , editable); 1294 } 1295 return false; 1296 } 1297 1298 private void commitByCharacter() { 1299 // We can't possibly commit by character if we can't tokenize. 1300 if (mTokenizer == null) { 1301 return; 1302 } 1303 Editable editable = getText(); 1304 int end = getSelectionEnd(); 1305 int start = mTokenizer.findTokenStart(editable, end); 1306 if (shouldCreateChip(start, end)) { 1307 commitChip(start, end, editable); 1308 } 1309 setSelection(getText().length()); 1310 } 1311 1312 private boolean commitChip(int start, int end, Editable editable) { 1313 ListAdapter adapter = getAdapter(); 1314 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1315 && end == getSelectionEnd() && !isPhoneQuery()) { 1316 // let's choose the selected or first entry if only the input text is NOT an email 1317 // address so we won't try to replace the user's potentially correct but 1318 // new/unencountered email input 1319 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1320 final int selectedPosition = getListSelection(); 1321 if (selectedPosition == -1) { 1322 // Nothing is selected; use the first item 1323 submitItemAtPosition(0); 1324 } else { 1325 submitItemAtPosition(selectedPosition); 1326 } 1327 } 1328 dismissDropDown(); 1329 return true; 1330 } else { 1331 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1332 if (editable.length() > tokenEnd + 1) { 1333 char charAt = editable.charAt(tokenEnd + 1); 1334 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1335 tokenEnd++; 1336 } 1337 } 1338 String text = editable.toString().substring(start, tokenEnd).trim(); 1339 clearComposingText(); 1340 if (text != null && text.length() > 0 && !text.equals(" ")) { 1341 RecipientEntry entry = createTokenizedEntry(text); 1342 if (entry != null) { 1343 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1344 CharSequence chipText = createChip(entry, false); 1345 if (chipText != null && start > -1 && end > -1) { 1346 editable.replace(start, end, chipText); 1347 } 1348 } 1349 // Only dismiss the dropdown if it is related to the text we 1350 // just committed. 1351 // For paste, it may not be as there are possibly multiple 1352 // tokens being added. 1353 if (end == getSelectionEnd()) { 1354 dismissDropDown(); 1355 } 1356 sanitizeBetween(); 1357 return true; 1358 } 1359 } 1360 return false; 1361 } 1362 1363 // Visible for testing. 1364 /* package */ void sanitizeBetween() { 1365 // Don't sanitize while we are waiting for content to chipify. 1366 if (mPendingChipsCount > 0) { 1367 return; 1368 } 1369 // Find the last chip. 1370 DrawableRecipientChip[] recips = getSortedRecipients(); 1371 if (recips != null && recips.length > 0) { 1372 DrawableRecipientChip last = recips[recips.length - 1]; 1373 DrawableRecipientChip beforeLast = null; 1374 if (recips.length > 1) { 1375 beforeLast = recips[recips.length - 2]; 1376 } 1377 int startLooking = 0; 1378 int end = getSpannable().getSpanStart(last); 1379 if (beforeLast != null) { 1380 startLooking = getSpannable().getSpanEnd(beforeLast); 1381 Editable text = getText(); 1382 if (startLooking == -1 || startLooking > text.length() - 1) { 1383 // There is nothing after this chip. 1384 return; 1385 } 1386 if (text.charAt(startLooking) == ' ') { 1387 startLooking++; 1388 } 1389 } 1390 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1391 getText().delete(startLooking, end); 1392 } 1393 } 1394 } 1395 1396 private boolean shouldCreateChip(int start, int end) { 1397 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1398 } 1399 1400 private boolean alreadyHasChip(int start, int end) { 1401 if (mNoChips) { 1402 return true; 1403 } 1404 DrawableRecipientChip[] chips = 1405 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1406 if ((chips == null || chips.length == 0)) { 1407 return false; 1408 } 1409 return true; 1410 } 1411 1412 private void handleEdit(int start, int end) { 1413 if (start == -1 || end == -1) { 1414 // This chip no longer exists in the field. 1415 dismissDropDown(); 1416 return; 1417 } 1418 // This is in the middle of a chip, so select out the whole chip 1419 // and commit it. 1420 Editable editable = getText(); 1421 setSelection(end); 1422 String text = getText().toString().substring(start, end); 1423 if (!TextUtils.isEmpty(text)) { 1424 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1425 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1426 CharSequence chipText = createChip(entry, false); 1427 int selEnd = getSelectionEnd(); 1428 if (chipText != null && start > -1 && selEnd > -1) { 1429 editable.replace(start, selEnd, chipText); 1430 } 1431 } 1432 dismissDropDown(); 1433 } 1434 1435 /** 1436 * If there is a selected chip, delegate the key events 1437 * to the selected chip. 1438 */ 1439 @Override 1440 public boolean onKeyDown(int keyCode, KeyEvent event) { 1441 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1442 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1443 mAlternatesPopup.dismiss(); 1444 } 1445 removeChip(mSelectedChip); 1446 } 1447 1448 switch (keyCode) { 1449 case KeyEvent.KEYCODE_ENTER: 1450 case KeyEvent.KEYCODE_DPAD_CENTER: 1451 if (event.hasNoModifiers()) { 1452 if (commitDefault()) { 1453 return true; 1454 } 1455 if (mSelectedChip != null) { 1456 clearSelectedChip(); 1457 return true; 1458 } else if (focusNext()) { 1459 return true; 1460 } 1461 } 1462 break; 1463 } 1464 1465 return super.onKeyDown(keyCode, event); 1466 } 1467 1468 // Visible for testing. 1469 /* package */ Spannable getSpannable() { 1470 return getText(); 1471 } 1472 1473 private int getChipStart(DrawableRecipientChip chip) { 1474 return getSpannable().getSpanStart(chip); 1475 } 1476 1477 private int getChipEnd(DrawableRecipientChip chip) { 1478 return getSpannable().getSpanEnd(chip); 1479 } 1480 1481 /** 1482 * Instead of filtering on the entire contents of the edit box, 1483 * this subclass method filters on the range from 1484 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1485 * if the length of that range meets or exceeds {@link #getThreshold} 1486 * and makes sure that the range is not already a Chip. 1487 */ 1488 @Override 1489 protected void performFiltering(CharSequence text, int keyCode) { 1490 boolean isCompletedToken = isCompletedToken(text); 1491 if (enoughToFilter() && !isCompletedToken) { 1492 int end = getSelectionEnd(); 1493 int start = mTokenizer.findTokenStart(text, end); 1494 // If this is a RecipientChip, don't filter 1495 // on its contents. 1496 Spannable span = getSpannable(); 1497 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1498 if (chips != null && chips.length > 0) { 1499 dismissDropDown(); 1500 return; 1501 } 1502 } else if (isCompletedToken) { 1503 dismissDropDown(); 1504 return; 1505 } 1506 super.performFiltering(text, keyCode); 1507 } 1508 1509 // Visible for testing. 1510 /*package*/ boolean isCompletedToken(CharSequence text) { 1511 if (TextUtils.isEmpty(text)) { 1512 return false; 1513 } 1514 // Check to see if this is a completed token before filtering. 1515 int end = text.length(); 1516 int start = mTokenizer.findTokenStart(text, end); 1517 String token = text.toString().substring(start, end).trim(); 1518 if (!TextUtils.isEmpty(token)) { 1519 char atEnd = token.charAt(token.length() - 1); 1520 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1521 } 1522 return false; 1523 } 1524 1525 private void clearSelectedChip() { 1526 if (mSelectedChip != null) { 1527 unselectChip(mSelectedChip); 1528 mSelectedChip = null; 1529 } 1530 setCursorVisible(true); 1531 } 1532 1533 /** 1534 * Monitor touch events in the RecipientEditTextView. 1535 * If the view does not have focus, any tap on the view 1536 * will just focus the view. If the view has focus, determine 1537 * if the touch target is a recipient chip. If it is and the chip 1538 * is not selected, select it and clear any other selected chips. 1539 * If it isn't, then select that chip. 1540 */ 1541 @Override 1542 public boolean onTouchEvent(MotionEvent event) { 1543 if (!isFocused()) { 1544 // Ignore any chip taps until this view is focused. 1545 return super.onTouchEvent(event); 1546 } 1547 boolean handled = super.onTouchEvent(event); 1548 int action = event.getAction(); 1549 boolean chipWasSelected = false; 1550 if (mSelectedChip == null) { 1551 mGestureDetector.onTouchEvent(event); 1552 } 1553 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1554 float x = event.getX(); 1555 float y = event.getY(); 1556 int offset = putOffsetInRange(x, y); 1557 DrawableRecipientChip currentChip = findChip(offset); 1558 if (currentChip != null) { 1559 if (action == MotionEvent.ACTION_UP) { 1560 if (mSelectedChip != null && mSelectedChip != currentChip) { 1561 clearSelectedChip(); 1562 mSelectedChip = selectChip(currentChip); 1563 } else if (mSelectedChip == null) { 1564 setSelection(getText().length()); 1565 commitDefault(); 1566 mSelectedChip = selectChip(currentChip); 1567 } else { 1568 onClick(mSelectedChip, offset, x, y); 1569 } 1570 } 1571 chipWasSelected = true; 1572 handled = true; 1573 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1574 chipWasSelected = true; 1575 } 1576 } 1577 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1578 clearSelectedChip(); 1579 } 1580 return handled; 1581 } 1582 1583 private void scrollLineIntoView(int line) { 1584 if (mScrollView != null) { 1585 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1586 } 1587 } 1588 1589 private void showAlternates(final DrawableRecipientChip currentChip, 1590 final ListPopupWindow alternatesPopup, final int width) { 1591 new AsyncTask<Void, Void, ListAdapter>() { 1592 @Override 1593 protected ListAdapter doInBackground(final Void... params) { 1594 return createAlternatesAdapter(currentChip); 1595 } 1596 1597 @Override 1598 protected void onPostExecute(final ListAdapter result) { 1599 if (!mAttachedToWindow) { 1600 return; 1601 } 1602 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1603 int bottom; 1604 if (line == getLineCount() -1) { 1605 bottom = 0; 1606 } else { 1607 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1608 .abs(getLineCount() - 1 - line))); 1609 } 1610 // Align the alternates popup with the left side of the View, 1611 // regardless of the position of the chip tapped. 1612 alternatesPopup.setWidth(width); 1613 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1614 alternatesPopup.setVerticalOffset(bottom); 1615 alternatesPopup.setAdapter(result); 1616 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1617 // Clear the checked item. 1618 mCheckedItem = -1; 1619 alternatesPopup.show(); 1620 ListView listView = alternatesPopup.getListView(); 1621 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1622 // Checked item would be -1 if the adapter has not 1623 // loaded the view that should be checked yet. The 1624 // variable will be set correctly when onCheckedItemChanged 1625 // is called in a separate thread. 1626 if (mCheckedItem != -1) { 1627 listView.setItemChecked(mCheckedItem, true); 1628 mCheckedItem = -1; 1629 } 1630 } 1631 }.execute((Void[]) null); 1632 } 1633 1634 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1635 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1636 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1637 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1638 } 1639 1640 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1641 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1642 mDropdownChipLayouter); 1643 } 1644 1645 @Override 1646 public void onCheckedItemChanged(int position) { 1647 ListView listView = mAlternatesPopup.getListView(); 1648 if (listView != null && listView.getCheckedItemCount() == 0) { 1649 listView.setItemChecked(position, true); 1650 } 1651 mCheckedItem = position; 1652 } 1653 1654 private int putOffsetInRange(final float x, final float y) { 1655 final int offset; 1656 1657 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1658 offset = getOffsetForPosition(x, y); 1659 } else { 1660 offset = supportGetOffsetForPosition(x, y); 1661 } 1662 1663 return putOffsetInRange(offset); 1664 } 1665 1666 // TODO: This algorithm will need a lot of tweaking after more people have used 1667 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1668 // what comes before the finger. 1669 private int putOffsetInRange(int o) { 1670 int offset = o; 1671 Editable text = getText(); 1672 int length = text.length(); 1673 // Remove whitespace from end to find "real end" 1674 int realLength = length; 1675 for (int i = length - 1; i >= 0; i--) { 1676 if (text.charAt(i) == ' ') { 1677 realLength--; 1678 } else { 1679 break; 1680 } 1681 } 1682 1683 // If the offset is beyond or at the end of the text, 1684 // leave it alone. 1685 if (offset >= realLength) { 1686 return offset; 1687 } 1688 Editable editable = getText(); 1689 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1690 // Keep walking backward! 1691 offset--; 1692 } 1693 return offset; 1694 } 1695 1696 private static int findText(Editable text, int offset) { 1697 if (text.charAt(offset) != ' ') { 1698 return offset; 1699 } 1700 return -1; 1701 } 1702 1703 private DrawableRecipientChip findChip(int offset) { 1704 DrawableRecipientChip[] chips = 1705 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1706 // Find the chip that contains this offset. 1707 for (int i = 0; i < chips.length; i++) { 1708 DrawableRecipientChip chip = chips[i]; 1709 int start = getChipStart(chip); 1710 int end = getChipEnd(chip); 1711 if (offset >= start && offset <= end) { 1712 return chip; 1713 } 1714 } 1715 return null; 1716 } 1717 1718 // Visible for testing. 1719 // Use this method to generate text to add to the list of addresses. 1720 /* package */String createAddressText(RecipientEntry entry) { 1721 String display = entry.getDisplayName(); 1722 String address = entry.getDestination(); 1723 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1724 display = null; 1725 } 1726 String trimmedDisplayText; 1727 if (isPhoneQuery() && isPhoneNumber(address)) { 1728 trimmedDisplayText = address.trim(); 1729 } else { 1730 if (address != null) { 1731 // Tokenize out the address in case the address already 1732 // contained the username as well. 1733 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1734 if (tokenized != null && tokenized.length > 0) { 1735 address = tokenized[0].getAddress(); 1736 } 1737 } 1738 Rfc822Token token = new Rfc822Token(display, address, null); 1739 trimmedDisplayText = token.toString().trim(); 1740 } 1741 int index = trimmedDisplayText.indexOf(","); 1742 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1743 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1744 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1745 } 1746 1747 // Visible for testing. 1748 // Use this method to generate text to display in a chip. 1749 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1750 String display = entry.getDisplayName(); 1751 String address = entry.getDestination(); 1752 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1753 display = null; 1754 } 1755 if (!TextUtils.isEmpty(display)) { 1756 return display; 1757 } else if (!TextUtils.isEmpty(address)){ 1758 return address; 1759 } else { 1760 return new Rfc822Token(display, address, null).toString(); 1761 } 1762 } 1763 1764 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1765 String displayText = createAddressText(entry); 1766 if (TextUtils.isEmpty(displayText)) { 1767 return null; 1768 } 1769 SpannableString chipText = null; 1770 // Always leave a blank space at the end of a chip. 1771 int textLength = displayText.length() - 1; 1772 chipText = new SpannableString(displayText); 1773 if (!mNoChips) { 1774 try { 1775 DrawableRecipientChip chip = constructChipSpan(entry, pressed); 1776 chipText.setSpan(chip, 0, textLength, 1777 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1778 chip.setOriginalText(chipText.toString()); 1779 } catch (NullPointerException e) { 1780 Log.e(TAG, e.getMessage(), e); 1781 return null; 1782 } 1783 } 1784 return chipText; 1785 } 1786 1787 /** 1788 * When an item in the suggestions list has been clicked, create a chip from the 1789 * contact information of the selected item. 1790 */ 1791 @Override 1792 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1793 if (position < 0) { 1794 return; 1795 } 1796 1797 final int charactersTyped = submitItemAtPosition(position); 1798 if (charactersTyped > -1 && mRecipientEntryItemClickedListener != null) { 1799 mRecipientEntryItemClickedListener 1800 .onRecipientEntryItemClicked(charactersTyped, position); 1801 } 1802 } 1803 1804 private int submitItemAtPosition(int position) { 1805 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1806 if (entry == null) { 1807 return -1; 1808 } 1809 clearComposingText(); 1810 1811 int end = getSelectionEnd(); 1812 int start = mTokenizer.findTokenStart(getText(), end); 1813 1814 Editable editable = getText(); 1815 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1816 CharSequence chip = createChip(entry, false); 1817 if (chip != null && start >= 0 && end >= 0) { 1818 editable.replace(start, end, chip); 1819 } 1820 sanitizeBetween(); 1821 1822 return end - start; 1823 } 1824 1825 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1826 if (item == null) { 1827 return null; 1828 } 1829 final RecipientEntry entry; 1830 // If the display name and the address are the same, or if this is a 1831 // valid contact, but the destination is invalid, then make this a fake 1832 // recipient that is editable. 1833 String destination = item.getDestination(); 1834 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1835 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1836 destination, item.isValid()); 1837 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1838 && (TextUtils.isEmpty(item.getDisplayName()) 1839 || TextUtils.equals(item.getDisplayName(), destination) 1840 || (mValidator != null && !mValidator.isValid(destination)))) { 1841 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1842 } else { 1843 entry = item; 1844 } 1845 return entry; 1846 } 1847 1848 // Visible for testing. 1849 /* package */DrawableRecipientChip[] getSortedRecipients() { 1850 DrawableRecipientChip[] recips = getSpannable() 1851 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1852 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1853 Arrays.asList(recips)); 1854 final Spannable spannable = getSpannable(); 1855 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1856 1857 @Override 1858 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1859 int firstStart = spannable.getSpanStart(first); 1860 int secondStart = spannable.getSpanStart(second); 1861 if (firstStart < secondStart) { 1862 return -1; 1863 } else if (firstStart > secondStart) { 1864 return 1; 1865 } else { 1866 return 0; 1867 } 1868 } 1869 }); 1870 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1871 } 1872 1873 @Override 1874 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1875 return false; 1876 } 1877 1878 @Override 1879 public void onDestroyActionMode(ActionMode mode) { 1880 } 1881 1882 @Override 1883 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1884 return false; 1885 } 1886 1887 /** 1888 * No chips are selectable. 1889 */ 1890 @Override 1891 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1892 return false; 1893 } 1894 1895 // Visible for testing. 1896 /* package */ImageSpan getMoreChip() { 1897 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1898 MoreImageSpan.class); 1899 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1900 } 1901 1902 private MoreImageSpan createMoreSpan(int count) { 1903 String moreText = String.format(mMoreItem.getText().toString(), count); 1904 TextPaint morePaint = new TextPaint(getPaint()); 1905 morePaint.setTextSize(mMoreItem.getTextSize()); 1906 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1907 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1908 + mMoreItem.getPaddingRight(); 1909 int height = getLineHeight(); 1910 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1911 Canvas canvas = new Canvas(drawable); 1912 int adjustedHeight = height; 1913 Layout layout = getLayout(); 1914 if (layout != null) { 1915 adjustedHeight -= layout.getLineDescent(0); 1916 } 1917 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1918 1919 Drawable result = new BitmapDrawable(getResources(), drawable); 1920 result.setBounds(0, 0, width, height); 1921 return new MoreImageSpan(result); 1922 } 1923 1924 // Visible for testing. 1925 /*package*/ void createMoreChipPlainText() { 1926 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1927 Editable text = getText(); 1928 int start = 0; 1929 int end = start; 1930 for (int i = 0; i < CHIP_LIMIT; i++) { 1931 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1932 start = end; // move to the next token and get its end. 1933 } 1934 // Now, count total addresses. 1935 start = 0; 1936 int tokenCount = countTokens(text); 1937 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1938 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1939 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1940 text.replace(end, text.length(), chipText); 1941 mMoreChip = moreSpan; 1942 } 1943 1944 // Visible for testing. 1945 /* package */int countTokens(Editable text) { 1946 int tokenCount = 0; 1947 int start = 0; 1948 while (start < text.length()) { 1949 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1950 tokenCount++; 1951 if (start >= text.length()) { 1952 break; 1953 } 1954 } 1955 return tokenCount; 1956 } 1957 1958 /** 1959 * Create the more chip. The more chip is text that replaces any chips that 1960 * do not fit in the pre-defined available space when the 1961 * RecipientEditTextView loses focus. 1962 */ 1963 // Visible for testing. 1964 /* package */ void createMoreChip() { 1965 if (mNoChips) { 1966 createMoreChipPlainText(); 1967 return; 1968 } 1969 1970 if (!mShouldShrink) { 1971 return; 1972 } 1973 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1974 if (tempMore.length > 0) { 1975 getSpannable().removeSpan(tempMore[0]); 1976 } 1977 DrawableRecipientChip[] recipients = getSortedRecipients(); 1978 1979 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1980 mMoreChip = null; 1981 return; 1982 } 1983 Spannable spannable = getSpannable(); 1984 int numRecipients = recipients.length; 1985 int overage = numRecipients - CHIP_LIMIT; 1986 MoreImageSpan moreSpan = createMoreSpan(overage); 1987 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1988 int totalReplaceStart = 0; 1989 int totalReplaceEnd = 0; 1990 Editable text = getText(); 1991 for (int i = numRecipients - overage; i < recipients.length; i++) { 1992 mRemovedSpans.add(recipients[i]); 1993 if (i == numRecipients - overage) { 1994 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1995 } 1996 if (i == recipients.length - 1) { 1997 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1998 } 1999 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 2000 int spanStart = spannable.getSpanStart(recipients[i]); 2001 int spanEnd = spannable.getSpanEnd(recipients[i]); 2002 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 2003 } 2004 spannable.removeSpan(recipients[i]); 2005 } 2006 if (totalReplaceEnd < text.length()) { 2007 totalReplaceEnd = text.length(); 2008 } 2009 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2010 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2011 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2012 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2013 text.replace(start, end, chipText); 2014 mMoreChip = moreSpan; 2015 // If adding the +more chip goes over the limit, resize accordingly. 2016 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2017 setMaxLines(getLineCount()); 2018 } 2019 } 2020 2021 /** 2022 * Replace the more chip, if it exists, with all of the recipient chips it had 2023 * replaced when the RecipientEditTextView gains focus. 2024 */ 2025 // Visible for testing. 2026 /*package*/ void removeMoreChip() { 2027 if (mMoreChip != null) { 2028 Spannable span = getSpannable(); 2029 span.removeSpan(mMoreChip); 2030 mMoreChip = null; 2031 // Re-add the spans that were removed. 2032 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2033 // Recreate each removed span. 2034 DrawableRecipientChip[] recipients = getSortedRecipients(); 2035 // Start the search for tokens after the last currently visible 2036 // chip. 2037 if (recipients == null || recipients.length == 0) { 2038 return; 2039 } 2040 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2041 Editable editable = getText(); 2042 for (DrawableRecipientChip chip : mRemovedSpans) { 2043 int chipStart; 2044 int chipEnd; 2045 String token; 2046 // Need to find the location of the chip, again. 2047 token = (String) chip.getOriginalText(); 2048 // As we find the matching recipient for the remove spans, 2049 // reduce the size of the string we need to search. 2050 // That way, if there are duplicates, we always find the correct 2051 // recipient. 2052 chipStart = editable.toString().indexOf(token, end); 2053 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2054 // Only set the span if we found a matching token. 2055 if (chipStart != -1) { 2056 editable.setSpan(chip, chipStart, chipEnd, 2057 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2058 } 2059 } 2060 mRemovedSpans.clear(); 2061 } 2062 } 2063 } 2064 2065 /** 2066 * Show specified chip as selected. If the RecipientChip is just an email address, 2067 * selecting the chip will take the contents of the chip and place it at 2068 * the end of the RecipientEditTextView for inline editing. If the 2069 * RecipientChip is a complete contact, then selecting the chip 2070 * will change the background color of the chip, show the delete icon, 2071 * and a popup window with the address in use highlighted and any other 2072 * alternate addresses for the contact. 2073 * @param currentChip Chip to select. 2074 * @return A RecipientChip in the selected state or null if the chip 2075 * just contained an email address. 2076 */ 2077 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2078 if (shouldShowEditableText(currentChip)) { 2079 CharSequence text = currentChip.getValue(); 2080 Editable editable = getText(); 2081 Spannable spannable = getSpannable(); 2082 int spanStart = spannable.getSpanStart(currentChip); 2083 int spanEnd = spannable.getSpanEnd(currentChip); 2084 spannable.removeSpan(currentChip); 2085 editable.delete(spanStart, spanEnd); 2086 setCursorVisible(true); 2087 setSelection(editable.length()); 2088 editable.append(text); 2089 return constructChipSpan( 2090 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2091 true); 2092 } else { 2093 int start = getChipStart(currentChip); 2094 int end = getChipEnd(currentChip); 2095 getSpannable().removeSpan(currentChip); 2096 DrawableRecipientChip newChip; 2097 final boolean showAddress = 2098 currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT || 2099 getAdapter().forceShowAddress(); 2100 try { 2101 if (showAddress && mNoChips) { 2102 return null; 2103 } 2104 newChip = constructChipSpan(currentChip.getEntry(), true); 2105 } catch (NullPointerException e) { 2106 Log.e(TAG, e.getMessage(), e); 2107 return null; 2108 } 2109 Editable editable = getText(); 2110 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2111 if (start == -1 || end == -1) { 2112 Log.d(TAG, "The chip being selected no longer exists but should."); 2113 } else { 2114 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2115 } 2116 newChip.setSelected(true); 2117 if (shouldShowEditableText(newChip)) { 2118 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2119 } 2120 if (showAddress) { 2121 showAddress(newChip, mAddressPopup, getWidth()); 2122 } else { 2123 showAlternates(newChip, mAlternatesPopup, getWidth()); 2124 } 2125 setCursorVisible(false); 2126 return newChip; 2127 } 2128 } 2129 2130 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2131 long contactId = currentChip.getContactId(); 2132 return contactId == RecipientEntry.INVALID_CONTACT 2133 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2134 } 2135 2136 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2137 int width) { 2138 if (!mAttachedToWindow) { 2139 return; 2140 } 2141 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2142 int bottom = calculateOffsetFromBottom(line); 2143 // Align the alternates popup with the left side of the View, 2144 // regardless of the position of the chip tapped. 2145 popup.setWidth(width); 2146 popup.setAnchorView(this); 2147 popup.setVerticalOffset(bottom); 2148 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2149 popup.setOnItemClickListener(new OnItemClickListener() { 2150 @Override 2151 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2152 unselectChip(currentChip); 2153 popup.dismiss(); 2154 } 2155 }); 2156 popup.show(); 2157 ListView listView = popup.getListView(); 2158 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2159 listView.setItemChecked(0, true); 2160 } 2161 2162 /** 2163 * Remove selection from this chip. Unselecting a RecipientChip will render 2164 * the chip without a delete icon and with an unfocused background. This is 2165 * called when the RecipientChip no longer has focus. 2166 */ 2167 private void unselectChip(DrawableRecipientChip chip) { 2168 int start = getChipStart(chip); 2169 int end = getChipEnd(chip); 2170 Editable editable = getText(); 2171 mSelectedChip = null; 2172 if (start == -1 || end == -1) { 2173 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2174 setSelection(editable.length()); 2175 commitDefault(); 2176 } else { 2177 getSpannable().removeSpan(chip); 2178 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2179 editable.removeSpan(chip); 2180 try { 2181 if (!mNoChips) { 2182 editable.setSpan(constructChipSpan(chip.getEntry(), false), 2183 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2184 } 2185 } catch (NullPointerException e) { 2186 Log.e(TAG, e.getMessage(), e); 2187 } 2188 } 2189 setCursorVisible(true); 2190 setSelection(editable.length()); 2191 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2192 mAlternatesPopup.dismiss(); 2193 } 2194 } 2195 2196 /** 2197 * Return whether a touch event was inside the delete target of 2198 * a selected chip. It is in the delete target if: 2199 * 1) the x and y points of the event are within the 2200 * delete assset. 2201 * 2) the point tapped would have caused a cursor to appear 2202 * right after the selected chip. 2203 * @return boolean 2204 */ 2205 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2206 // Figure out the bounds of this chip and whether or not 2207 // the user clicked in the X portion. 2208 // TODO: Should x and y be used, or removed? 2209 if (mDisableDelete) { 2210 return false; 2211 } 2212 2213 return chip.isSelected() && 2214 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2215 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2216 } 2217 2218 /** 2219 * Remove the chip and any text associated with it from the RecipientEditTextView. 2220 */ 2221 // Visible for testing. 2222 /* package */void removeChip(DrawableRecipientChip chip) { 2223 Spannable spannable = getSpannable(); 2224 int spanStart = spannable.getSpanStart(chip); 2225 int spanEnd = spannable.getSpanEnd(chip); 2226 Editable text = getText(); 2227 int toDelete = spanEnd; 2228 boolean wasSelected = chip == mSelectedChip; 2229 // Clear that there is a selected chip before updating any text. 2230 if (wasSelected) { 2231 mSelectedChip = null; 2232 } 2233 // Always remove trailing spaces when removing a chip. 2234 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2235 toDelete++; 2236 } 2237 spannable.removeSpan(chip); 2238 if (spanStart >= 0 && toDelete > 0) { 2239 text.delete(spanStart, toDelete); 2240 } 2241 if (wasSelected) { 2242 clearSelectedChip(); 2243 } 2244 } 2245 2246 /** 2247 * Replace this currently selected chip with a new chip 2248 * that uses the contact data provided. 2249 */ 2250 // Visible for testing. 2251 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2252 boolean wasSelected = chip == mSelectedChip; 2253 if (wasSelected) { 2254 mSelectedChip = null; 2255 } 2256 int start = getChipStart(chip); 2257 int end = getChipEnd(chip); 2258 getSpannable().removeSpan(chip); 2259 Editable editable = getText(); 2260 CharSequence chipText = createChip(entry, false); 2261 if (chipText != null) { 2262 if (start == -1 || end == -1) { 2263 Log.e(TAG, "The chip to replace does not exist but should."); 2264 editable.insert(0, chipText); 2265 } else { 2266 if (!TextUtils.isEmpty(chipText)) { 2267 // There may be a space to replace with this chip's new 2268 // associated space. Check for it 2269 int toReplace = end; 2270 while (toReplace >= 0 && toReplace < editable.length() 2271 && editable.charAt(toReplace) == ' ') { 2272 toReplace++; 2273 } 2274 editable.replace(start, toReplace, chipText); 2275 } 2276 } 2277 } 2278 setCursorVisible(true); 2279 if (wasSelected) { 2280 clearSelectedChip(); 2281 } 2282 } 2283 2284 /** 2285 * Handle click events for a chip. When a selected chip receives a click 2286 * event, see if that event was in the delete icon. If so, delete it. 2287 * Otherwise, unselect the chip. 2288 */ 2289 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2290 if (chip.isSelected()) { 2291 if (isInDelete(chip, offset, x, y)) { 2292 removeChip(chip); 2293 } else { 2294 clearSelectedChip(); 2295 } 2296 } 2297 } 2298 2299 private boolean chipsPending() { 2300 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2301 } 2302 2303 @Override 2304 public void removeTextChangedListener(TextWatcher watcher) { 2305 mTextWatcher = null; 2306 super.removeTextChangedListener(watcher); 2307 } 2308 2309 private boolean isValidEmailAddress(String input) { 2310 return !TextUtils.isEmpty(input) && mValidator != null && 2311 mValidator.isValid(input); 2312 } 2313 2314 private class RecipientTextWatcher implements TextWatcher { 2315 2316 @Override 2317 public void afterTextChanged(Editable s) { 2318 // If the text has been set to null or empty, make sure we remove 2319 // all the spans we applied. 2320 if (TextUtils.isEmpty(s)) { 2321 // Remove all the chips spans. 2322 Spannable spannable = getSpannable(); 2323 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2324 DrawableRecipientChip.class); 2325 for (DrawableRecipientChip chip : chips) { 2326 spannable.removeSpan(chip); 2327 } 2328 if (mMoreChip != null) { 2329 spannable.removeSpan(mMoreChip); 2330 } 2331 clearSelectedChip(); 2332 return; 2333 } 2334 // Get whether there are any recipients pending addition to the 2335 // view. If there are, don't do anything in the text watcher. 2336 if (chipsPending()) { 2337 return; 2338 } 2339 // If the user is editing a chip, don't clear it. 2340 if (mSelectedChip != null) { 2341 if (!isGeneratedContact(mSelectedChip)) { 2342 setCursorVisible(true); 2343 setSelection(getText().length()); 2344 clearSelectedChip(); 2345 } else { 2346 return; 2347 } 2348 } 2349 int length = s.length(); 2350 // Make sure there is content there to parse and that it is 2351 // not just the commit character. 2352 if (length > 1) { 2353 if (lastCharacterIsCommitCharacter(s)) { 2354 commitByCharacter(); 2355 return; 2356 } 2357 char last; 2358 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2359 int len = length() - 1; 2360 if (end != len) { 2361 last = s.charAt(end); 2362 } else { 2363 last = s.charAt(len); 2364 } 2365 if (last == COMMIT_CHAR_SPACE) { 2366 if (!isPhoneQuery()) { 2367 // Check if this is a valid email address. If it is, 2368 // commit it. 2369 String text = getText().toString(); 2370 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2371 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2372 tokenStart)); 2373 if (isValidEmailAddress(sub)) { 2374 commitByCharacter(); 2375 } 2376 } 2377 } 2378 } 2379 } 2380 2381 @Override 2382 public void onTextChanged(CharSequence s, int start, int before, int count) { 2383 // The user deleted some text OR some text was replaced; check to 2384 // see if the insertion point is on a space 2385 // following a chip. 2386 if (before - count == 1) { 2387 // If the item deleted is a space, and the thing before the 2388 // space is a chip, delete the entire span. 2389 int selStart = getSelectionStart(); 2390 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2391 DrawableRecipientChip.class); 2392 if (repl.length > 0) { 2393 // There is a chip there! Just remove it. 2394 Editable editable = getText(); 2395 // Add the separator token. 2396 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2397 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2398 tokenEnd = tokenEnd + 1; 2399 if (tokenEnd > editable.length()) { 2400 tokenEnd = editable.length(); 2401 } 2402 editable.delete(tokenStart, tokenEnd); 2403 getSpannable().removeSpan(repl[0]); 2404 } 2405 } else if (count > before) { 2406 if (mSelectedChip != null 2407 && isGeneratedContact(mSelectedChip)) { 2408 if (lastCharacterIsCommitCharacter(s)) { 2409 commitByCharacter(); 2410 return; 2411 } 2412 } 2413 } 2414 } 2415 2416 @Override 2417 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2418 // Do nothing. 2419 } 2420 } 2421 2422 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2423 char last; 2424 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2425 int len = length() - 1; 2426 if (end != len) { 2427 last = s.charAt(end); 2428 } else { 2429 last = s.charAt(len); 2430 } 2431 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2432 } 2433 2434 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2435 long contactId = chip.getContactId(); 2436 return contactId == RecipientEntry.INVALID_CONTACT 2437 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2438 } 2439 2440 /** 2441 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2442 */ 2443 private void handlePasteClip(ClipData clip) { 2444 removeTextChangedListener(mTextWatcher); 2445 2446 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2447 for (int i = 0; i < clip.getItemCount(); i++) { 2448 CharSequence paste = clip.getItemAt(i).getText(); 2449 if (paste != null) { 2450 int start = getSelectionStart(); 2451 int end = getSelectionEnd(); 2452 Editable editable = getText(); 2453 if (start >= 0 && end >= 0 && start != end) { 2454 editable.append(paste, start, end); 2455 } else { 2456 editable.insert(end, paste); 2457 } 2458 handlePasteAndReplace(); 2459 } 2460 } 2461 } 2462 2463 mHandler.post(mAddTextWatcher); 2464 } 2465 2466 @Override 2467 public boolean onTextContextMenuItem(int id) { 2468 if (id == android.R.id.paste) { 2469 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2470 Context.CLIPBOARD_SERVICE); 2471 handlePasteClip(clipboard.getPrimaryClip()); 2472 return true; 2473 } 2474 return super.onTextContextMenuItem(id); 2475 } 2476 2477 private void handlePasteAndReplace() { 2478 ArrayList<DrawableRecipientChip> created = handlePaste(); 2479 if (created != null && created.size() > 0) { 2480 // Perform reverse lookups on the pasted contacts. 2481 IndividualReplacementTask replace = new IndividualReplacementTask(); 2482 replace.execute(created); 2483 } 2484 } 2485 2486 // Visible for testing. 2487 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2488 String text = getText().toString(); 2489 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2490 String lastAddress = text.substring(originalTokenStart); 2491 int tokenStart = originalTokenStart; 2492 int prevTokenStart = 0; 2493 DrawableRecipientChip findChip = null; 2494 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2495 if (tokenStart != 0) { 2496 // There are things before this! 2497 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2498 prevTokenStart = tokenStart; 2499 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2500 findChip = findChip(tokenStart); 2501 if (tokenStart == originalTokenStart && findChip == null) { 2502 break; 2503 } 2504 } 2505 if (tokenStart != originalTokenStart) { 2506 if (findChip != null) { 2507 tokenStart = prevTokenStart; 2508 } 2509 int tokenEnd; 2510 DrawableRecipientChip createdChip; 2511 while (tokenStart < originalTokenStart) { 2512 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2513 tokenStart)); 2514 commitChip(tokenStart, tokenEnd, getText()); 2515 createdChip = findChip(tokenStart); 2516 if (createdChip == null) { 2517 break; 2518 } 2519 // +1 for the space at the end. 2520 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2521 created.add(createdChip); 2522 } 2523 } 2524 } 2525 // Take a look at the last token. If the token has been completed with a 2526 // commit character, create a chip. 2527 if (isCompletedToken(lastAddress)) { 2528 Editable editable = getText(); 2529 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2530 commitChip(tokenStart, editable.length(), editable); 2531 created.add(findChip(tokenStart)); 2532 } 2533 return created; 2534 } 2535 2536 // Visible for testing. 2537 /* package */int movePastTerminators(int tokenEnd) { 2538 if (tokenEnd >= length()) { 2539 return tokenEnd; 2540 } 2541 char atEnd = getText().toString().charAt(tokenEnd); 2542 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2543 tokenEnd++; 2544 } 2545 // This token had not only an end token character, but also a space 2546 // separating it from the next token. 2547 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2548 tokenEnd++; 2549 } 2550 return tokenEnd; 2551 } 2552 2553 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2554 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2555 try { 2556 if (mNoChips) { 2557 return null; 2558 } 2559 return constructChipSpan(entry, false); 2560 } catch (NullPointerException e) { 2561 Log.e(TAG, e.getMessage(), e); 2562 return null; 2563 } 2564 } 2565 2566 @Override 2567 protected void onPreExecute() { 2568 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2569 // replaced 2570 final List<DrawableRecipientChip> originalRecipients = 2571 new ArrayList<DrawableRecipientChip>(); 2572 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2573 for (int i = 0; i < existingChips.length; i++) { 2574 originalRecipients.add(existingChips[i]); 2575 } 2576 if (mRemovedSpans != null) { 2577 originalRecipients.addAll(mRemovedSpans); 2578 } 2579 2580 final List<DrawableRecipientChip> replacements = 2581 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2582 2583 for (final DrawableRecipientChip chip : originalRecipients) { 2584 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2585 && getSpannable().getSpanStart(chip) != -1) { 2586 replacements.add(createFreeChip(chip.getEntry())); 2587 } else { 2588 replacements.add(null); 2589 } 2590 } 2591 2592 processReplacements(originalRecipients, replacements); 2593 } 2594 2595 @Override 2596 protected Void doInBackground(Void... params) { 2597 if (mIndividualReplacements != null) { 2598 mIndividualReplacements.cancel(true); 2599 } 2600 // For each chip in the list, look up the matching contact. 2601 // If there is a match, replace that chip with the matching 2602 // chip. 2603 final ArrayList<DrawableRecipientChip> recipients = 2604 new ArrayList<DrawableRecipientChip>(); 2605 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2606 for (int i = 0; i < existingChips.length; i++) { 2607 recipients.add(existingChips[i]); 2608 } 2609 if (mRemovedSpans != null) { 2610 recipients.addAll(mRemovedSpans); 2611 } 2612 ArrayList<String> addresses = new ArrayList<String>(); 2613 DrawableRecipientChip chip; 2614 for (int i = 0; i < recipients.size(); i++) { 2615 chip = recipients.get(i); 2616 if (chip != null) { 2617 addresses.add(createAddressText(chip.getEntry())); 2618 } 2619 } 2620 final BaseRecipientAdapter adapter = getAdapter(); 2621 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2622 @Override 2623 public void matchesFound(Map<String, RecipientEntry> entries) { 2624 final ArrayList<DrawableRecipientChip> replacements = 2625 new ArrayList<DrawableRecipientChip>(); 2626 for (final DrawableRecipientChip temp : recipients) { 2627 RecipientEntry entry = null; 2628 if (temp != null && RecipientEntry.isCreatedRecipient( 2629 temp.getEntry().getContactId()) 2630 && getSpannable().getSpanStart(temp) != -1) { 2631 // Replace this. 2632 entry = createValidatedEntry( 2633 entries.get(tokenizeAddress(temp.getEntry() 2634 .getDestination()))); 2635 } 2636 if (entry != null) { 2637 replacements.add(createFreeChip(entry)); 2638 } else { 2639 replacements.add(null); 2640 } 2641 } 2642 processReplacements(recipients, replacements); 2643 } 2644 2645 @Override 2646 public void matchesNotFound(final Set<String> unfoundAddresses) { 2647 final List<DrawableRecipientChip> replacements = 2648 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2649 2650 for (final DrawableRecipientChip temp : recipients) { 2651 if (temp != null && RecipientEntry.isCreatedRecipient( 2652 temp.getEntry().getContactId()) 2653 && getSpannable().getSpanStart(temp) != -1) { 2654 if (unfoundAddresses.contains( 2655 temp.getEntry().getDestination())) { 2656 replacements.add(createFreeChip(temp.getEntry())); 2657 } else { 2658 replacements.add(null); 2659 } 2660 } else { 2661 replacements.add(null); 2662 } 2663 } 2664 2665 processReplacements(recipients, replacements); 2666 } 2667 }); 2668 return null; 2669 } 2670 2671 private void processReplacements(final List<DrawableRecipientChip> recipients, 2672 final List<DrawableRecipientChip> replacements) { 2673 if (replacements != null && replacements.size() > 0) { 2674 final Runnable runnable = new Runnable() { 2675 @Override 2676 public void run() { 2677 final Editable text = new SpannableStringBuilder(getText()); 2678 int i = 0; 2679 for (final DrawableRecipientChip chip : recipients) { 2680 final DrawableRecipientChip replacement = replacements.get(i); 2681 if (replacement != null) { 2682 final RecipientEntry oldEntry = chip.getEntry(); 2683 final RecipientEntry newEntry = replacement.getEntry(); 2684 final boolean isBetter = 2685 RecipientAlternatesAdapter.getBetterRecipient( 2686 oldEntry, newEntry) == newEntry; 2687 2688 if (isBetter) { 2689 // Find the location of the chip in the text currently shown. 2690 final int start = text.getSpanStart(chip); 2691 if (start != -1) { 2692 // Replacing the entirety of what the chip represented, 2693 // including the extra space dividing it from other chips. 2694 final int end = 2695 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2696 text.removeSpan(chip); 2697 // Make sure we always have just 1 space at the end to 2698 // separate this chip from the next chip. 2699 final SpannableString displayText = 2700 new SpannableString(createAddressText( 2701 replacement.getEntry()).trim() + " "); 2702 displayText.setSpan(replacement, 0, 2703 displayText.length() - 1, 2704 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2705 // Replace the old text we found with with the new display 2706 // text, which now may also contain the display name of the 2707 // recipient. 2708 text.replace(start, end, displayText); 2709 replacement.setOriginalText(displayText.toString()); 2710 replacements.set(i, null); 2711 2712 recipients.set(i, replacement); 2713 } 2714 } 2715 } 2716 i++; 2717 } 2718 setText(text); 2719 } 2720 }; 2721 2722 if (Looper.myLooper() == Looper.getMainLooper()) { 2723 runnable.run(); 2724 } else { 2725 mHandler.post(runnable); 2726 } 2727 } 2728 } 2729 } 2730 2731 private class IndividualReplacementTask 2732 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2733 @Override 2734 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2735 // For each chip in the list, look up the matching contact. 2736 // If there is a match, replace that chip with the matching 2737 // chip. 2738 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2739 ArrayList<String> addresses = new ArrayList<String>(); 2740 DrawableRecipientChip chip; 2741 for (int i = 0; i < originalRecipients.size(); i++) { 2742 chip = originalRecipients.get(i); 2743 if (chip != null) { 2744 addresses.add(createAddressText(chip.getEntry())); 2745 } 2746 } 2747 final BaseRecipientAdapter adapter = getAdapter(); 2748 adapter.getMatchingRecipients(addresses, new RecipientMatchCallback() { 2749 2750 @Override 2751 public void matchesFound(Map<String, RecipientEntry> entries) { 2752 for (final DrawableRecipientChip temp : originalRecipients) { 2753 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2754 .getContactId()) 2755 && getSpannable().getSpanStart(temp) != -1) { 2756 // Replace this. 2757 final RecipientEntry entry = createValidatedEntry(entries 2758 .get(tokenizeAddress(temp.getEntry().getDestination()) 2759 .toLowerCase())); 2760 if (entry != null) { 2761 mHandler.post(new Runnable() { 2762 @Override 2763 public void run() { 2764 replaceChip(temp, entry); 2765 } 2766 }); 2767 } 2768 } 2769 } 2770 } 2771 2772 @Override 2773 public void matchesNotFound(final Set<String> unfoundAddresses) { 2774 // No action required 2775 } 2776 }); 2777 return null; 2778 } 2779 } 2780 2781 2782 /** 2783 * MoreImageSpan is a simple class created for tracking the existence of a 2784 * more chip across activity restarts/ 2785 */ 2786 private class MoreImageSpan extends ImageSpan { 2787 public MoreImageSpan(Drawable b) { 2788 super(b); 2789 } 2790 } 2791 2792 @Override 2793 public boolean onDown(MotionEvent e) { 2794 return false; 2795 } 2796 2797 @Override 2798 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2799 // Do nothing. 2800 return false; 2801 } 2802 2803 @Override 2804 public void onLongPress(MotionEvent event) { 2805 if (mSelectedChip != null) { 2806 return; 2807 } 2808 float x = event.getX(); 2809 float y = event.getY(); 2810 final int offset = putOffsetInRange(x, y); 2811 DrawableRecipientChip currentChip = findChip(offset); 2812 if (currentChip != null) { 2813 if (mDragEnabled) { 2814 // Start drag-and-drop for the selected chip. 2815 startDrag(currentChip); 2816 } else { 2817 // Copy the selected chip email address. 2818 showCopyDialog(currentChip.getEntry().getDestination()); 2819 } 2820 } 2821 } 2822 2823 // The following methods are used to provide some functionality on older versions of Android 2824 // These methods were copied out of JB MR2's TextView 2825 ///////////////////////////////////////////////// 2826 private int supportGetOffsetForPosition(float x, float y) { 2827 if (getLayout() == null) return -1; 2828 final int line = supportGetLineAtCoordinate(y); 2829 final int offset = supportGetOffsetAtCoordinate(line, x); 2830 return offset; 2831 } 2832 2833 private float supportConvertToLocalHorizontalCoordinate(float x) { 2834 x -= getTotalPaddingLeft(); 2835 // Clamp the position to inside of the view. 2836 x = Math.max(0.0f, x); 2837 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2838 x += getScrollX(); 2839 return x; 2840 } 2841 2842 private int supportGetLineAtCoordinate(float y) { 2843 y -= getTotalPaddingLeft(); 2844 // Clamp the position to inside of the view. 2845 y = Math.max(0.0f, y); 2846 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2847 y += getScrollY(); 2848 return getLayout().getLineForVertical((int) y); 2849 } 2850 2851 private int supportGetOffsetAtCoordinate(int line, float x) { 2852 x = supportConvertToLocalHorizontalCoordinate(x); 2853 return getLayout().getOffsetForHorizontal(line, x); 2854 } 2855 ///////////////////////////////////////////////// 2856 2857 /** 2858 * Enables drag-and-drop for chips. 2859 */ 2860 public void enableDrag() { 2861 mDragEnabled = true; 2862 } 2863 2864 /** 2865 * Starts drag-and-drop for the selected chip. 2866 */ 2867 private void startDrag(DrawableRecipientChip currentChip) { 2868 String address = currentChip.getEntry().getDestination(); 2869 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2870 2871 // Start drag mode. 2872 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2873 2874 // Remove the current chip, so drag-and-drop will result in a move. 2875 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2876 removeChip(currentChip); 2877 } 2878 2879 /** 2880 * Handles drag event. 2881 */ 2882 @Override 2883 public boolean onDragEvent(DragEvent event) { 2884 switch (event.getAction()) { 2885 case DragEvent.ACTION_DRAG_STARTED: 2886 // Only handle plain text drag and drop. 2887 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2888 case DragEvent.ACTION_DRAG_ENTERED: 2889 requestFocus(); 2890 return true; 2891 case DragEvent.ACTION_DROP: 2892 handlePasteClip(event.getClipData()); 2893 return true; 2894 } 2895 return false; 2896 } 2897 2898 /** 2899 * Drag shadow for a {@link DrawableRecipientChip}. 2900 */ 2901 private final class RecipientChipShadow extends DragShadowBuilder { 2902 private final DrawableRecipientChip mChip; 2903 2904 public RecipientChipShadow(DrawableRecipientChip chip) { 2905 mChip = chip; 2906 } 2907 2908 @Override 2909 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2910 Rect rect = mChip.getBounds(); 2911 shadowSize.set(rect.width(), rect.height()); 2912 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2913 } 2914 2915 @Override 2916 public void onDrawShadow(Canvas canvas) { 2917 mChip.draw(canvas); 2918 } 2919 } 2920 2921 private void showCopyDialog(final String address) { 2922 if (!mAttachedToWindow) { 2923 return; 2924 } 2925 mCopyAddress = address; 2926 mCopyDialog.setTitle(address); 2927 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2928 mCopyDialog.setCancelable(true); 2929 mCopyDialog.setCanceledOnTouchOutside(true); 2930 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2931 button.setOnClickListener(this); 2932 int btnTitleId; 2933 if (isPhoneQuery()) { 2934 btnTitleId = R.string.copy_number; 2935 } else { 2936 btnTitleId = R.string.copy_email; 2937 } 2938 String buttonTitle = getContext().getResources().getString(btnTitleId); 2939 button.setText(buttonTitle); 2940 mCopyDialog.setOnDismissListener(this); 2941 mCopyDialog.show(); 2942 } 2943 2944 @Override 2945 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2946 // Do nothing. 2947 return false; 2948 } 2949 2950 @Override 2951 public void onShowPress(MotionEvent e) { 2952 // Do nothing. 2953 } 2954 2955 @Override 2956 public boolean onSingleTapUp(MotionEvent e) { 2957 // Do nothing. 2958 return false; 2959 } 2960 2961 @Override 2962 public void onDismiss(DialogInterface dialog) { 2963 mCopyAddress = null; 2964 } 2965 2966 @Override 2967 public void onClick(View v) { 2968 // Copy this to the clipboard. 2969 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2970 Context.CLIPBOARD_SERVICE); 2971 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2972 mCopyDialog.dismiss(); 2973 } 2974 2975 protected boolean isPhoneQuery() { 2976 return getAdapter() != null 2977 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2978 } 2979 2980 @Override 2981 public BaseRecipientAdapter getAdapter() { 2982 return (BaseRecipientAdapter) super.getAdapter(); 2983 } 2984 2985 /** 2986 * Append a new {@link RecipientEntry} to the end of the recipient chips, leaving any 2987 * unfinished text at the end. 2988 */ 2989 public void appendRecipientEntry(final RecipientEntry entry) { 2990 clearComposingText(); 2991 2992 final Editable editable = getText(); 2993 int chipInsertionPoint = 0; 2994 2995 // Find the end of last chip and see if there's any unchipified text. 2996 final DrawableRecipientChip[] recips = getSortedRecipients(); 2997 if (recips != null && recips.length > 0) { 2998 final DrawableRecipientChip last = recips[recips.length - 1]; 2999 // The chip will be inserted at the end of last chip + 1. All the unfinished text after 3000 // the insertion point will be kept untouched. 3001 chipInsertionPoint = editable.getSpanEnd(last) + 1; 3002 } 3003 3004 final CharSequence chip = createChip(entry, false); 3005 if (chip != null) { 3006 editable.insert(chipInsertionPoint, chip); 3007 } 3008 } 3009} 3010