RecipientEditTextView.java revision 53e718a52258e2240ed82faaee0ecef05fe112a0
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.Collection; 95import java.util.Collections; 96import java.util.Comparator; 97import java.util.HashSet; 98import java.util.List; 99import java.util.Map; 100import java.util.Set; 101import java.util.regex.Matcher; 102import java.util.regex.Pattern; 103 104/** 105 * RecipientEditTextView is an auto complete text view for use with applications 106 * that use the new Chips UI for addressing a message to recipients. 107 */ 108public class RecipientEditTextView extends MultiAutoCompleteTextView implements 109 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 110 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 111 TextView.OnEditorActionListener { 112 113 private static final char COMMIT_CHAR_COMMA = ','; 114 115 private static final char COMMIT_CHAR_SEMICOLON = ';'; 116 117 private static final char COMMIT_CHAR_SPACE = ' '; 118 119 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 120 + String.valueOf(COMMIT_CHAR_SPACE); 121 122 private static final String TAG = "RecipientEditTextView"; 123 124 private static int DISMISS = "dismiss".hashCode(); 125 126 private static final long DISMISS_DELAY = 300; 127 128 // TODO: get correct number/ algorithm from with UX. 129 // Visible for testing. 130 /*package*/ static final int CHIP_LIMIT = 2; 131 132 private static final int MAX_CHIPS_PARSED = 50; 133 134 private static int sSelectedTextColor = -1; 135 136 // Resources for displaying chips. 137 private Drawable mChipBackground = null; 138 139 private Drawable mChipDelete = null; 140 141 private Drawable mInvalidChipBackground; 142 143 private Drawable mChipBackgroundPressed; 144 145 private float mChipHeight; 146 147 private float mChipFontSize; 148 149 private float mLineSpacingExtra; 150 151 private int mChipPadding; 152 153 /** 154 * Enumerator for avatar position. See attr.xml for more details. 155 * 0 for end, 1 for start. 156 */ 157 private int mAvatarPosition; 158 159 private static final int AVATAR_POSITION_END = 0; 160 161 private static final int AVATAR_POSITION_START = 1; 162 163 private boolean mDisableDelete; 164 165 private Tokenizer mTokenizer; 166 167 private Validator mValidator; 168 169 private DrawableRecipientChip mSelectedChip; 170 171 private Bitmap mDefaultContactPhoto; 172 173 private ImageSpan mMoreChip; 174 175 private TextView mMoreItem; 176 177 // VisibleForTesting 178 final ArrayList<String> mPendingChips = new ArrayList<String>(); 179 180 private Handler mHandler; 181 182 private int mPendingChipsCount = 0; 183 184 private boolean mNoChips = false; 185 186 private ListPopupWindow mAlternatesPopup; 187 188 private ListPopupWindow mAddressPopup; 189 190 // VisibleForTesting 191 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 192 193 private ArrayList<DrawableRecipientChip> mRemovedSpans; 194 195 private boolean mShouldShrink = true; 196 197 // Chip copy fields. 198 private GestureDetector mGestureDetector; 199 200 private Dialog mCopyDialog; 201 202 private String mCopyAddress; 203 204 /** 205 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 206 * selected chip. 207 */ 208 private OnItemClickListener mAlternatesListener; 209 210 private int mCheckedItem; 211 212 private TextWatcher mTextWatcher; 213 214 // Obtain the enclosing scroll view, if it exists, so that the view can be 215 // scrolled to show the last line of chips content. 216 private ScrollView mScrollView; 217 218 private boolean mTriedGettingScrollView; 219 220 private boolean mDragEnabled = false; 221 222 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 223 // parens, so numbers such as "1 (425) 222-2342" match. 224 private static final Pattern PHONE_PATTERN 225 = Pattern.compile( // sdd = space, dot, or dash 226 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 227 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 228 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 229 230 private final Runnable mAddTextWatcher = new Runnable() { 231 @Override 232 public void run() { 233 if (mTextWatcher == null) { 234 mTextWatcher = new RecipientTextWatcher(); 235 addTextChangedListener(mTextWatcher); 236 } 237 } 238 }; 239 240 private IndividualReplacementTask mIndividualReplacements; 241 242 private Runnable mHandlePendingChips = new Runnable() { 243 244 @Override 245 public void run() { 246 handlePendingChips(); 247 } 248 249 }; 250 251 private Runnable mDelayedShrink = new Runnable() { 252 253 @Override 254 public void run() { 255 shrink(); 256 } 257 258 }; 259 260 private int mMaxLines; 261 262 private static int sExcessTopPadding = -1; 263 264 private int mActionBarHeight; 265 266 private boolean mAttachedToWindow; 267 268 private DropdownChipLayouter mDropdownChipLayouter; 269 270 public RecipientEditTextView(Context context, AttributeSet attrs) { 271 super(context, attrs); 272 setChipDimensions(context, attrs); 273 if (sSelectedTextColor == -1) { 274 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 275 } 276 mAlternatesPopup = new ListPopupWindow(context); 277 mAddressPopup = new ListPopupWindow(context); 278 mCopyDialog = new Dialog(context); 279 mAlternatesListener = new OnItemClickListener() { 280 @Override 281 public void onItemClick(AdapterView<?> adapterView,View view, int position, 282 long rowId) { 283 mAlternatesPopup.setOnItemClickListener(null); 284 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 285 .getRecipientEntry(position)); 286 Message delayed = Message.obtain(mHandler, DISMISS); 287 delayed.obj = mAlternatesPopup; 288 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 289 clearComposingText(); 290 } 291 }; 292 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 293 setOnItemClickListener(this); 294 setCustomSelectionActionModeCallback(this); 295 mHandler = new Handler() { 296 @Override 297 public void handleMessage(Message msg) { 298 if (msg.what == DISMISS) { 299 ((ListPopupWindow) msg.obj).dismiss(); 300 return; 301 } 302 super.handleMessage(msg); 303 } 304 }; 305 mTextWatcher = new RecipientTextWatcher(); 306 addTextChangedListener(mTextWatcher); 307 mGestureDetector = new GestureDetector(context, this); 308 setOnEditorActionListener(this); 309 310 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 311 } 312 313 protected void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 314 mDropdownChipLayouter = dropdownChipLayouter; 315 } 316 317 @Override 318 protected void onDetachedFromWindow() { 319 mAttachedToWindow = false; 320 } 321 322 @Override 323 protected void onAttachedToWindow() { 324 mAttachedToWindow = true; 325 } 326 327 @Override 328 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 329 if (action == EditorInfo.IME_ACTION_DONE) { 330 if (commitDefault()) { 331 return true; 332 } 333 if (mSelectedChip != null) { 334 clearSelectedChip(); 335 return true; 336 } else if (focusNext()) { 337 return true; 338 } 339 } 340 return false; 341 } 342 343 @Override 344 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 345 InputConnection connection = super.onCreateInputConnection(outAttrs); 346 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 347 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 348 // clear the existing action 349 outAttrs.imeOptions ^= imeActions; 350 // set the DONE action 351 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 352 } 353 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 354 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 355 } 356 357 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 358 outAttrs.actionLabel = getContext().getString(R.string.done); 359 return connection; 360 } 361 362 /*package*/ DrawableRecipientChip getLastChip() { 363 DrawableRecipientChip last = null; 364 DrawableRecipientChip[] chips = getSortedRecipients(); 365 if (chips != null && chips.length > 0) { 366 last = chips[chips.length - 1]; 367 } 368 return last; 369 } 370 371 @Override 372 public void onSelectionChanged(int start, int end) { 373 // When selection changes, see if it is inside the chips area. 374 // If so, move the cursor back after the chips again. 375 DrawableRecipientChip last = getLastChip(); 376 if (last != null && start < getSpannable().getSpanEnd(last)) { 377 // Grab the last chip and set the cursor to after it. 378 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 379 } 380 super.onSelectionChanged(start, end); 381 } 382 383 @Override 384 public void onRestoreInstanceState(Parcelable state) { 385 if (!TextUtils.isEmpty(getText())) { 386 super.onRestoreInstanceState(null); 387 } else { 388 super.onRestoreInstanceState(state); 389 } 390 } 391 392 @Override 393 public Parcelable onSaveInstanceState() { 394 // If the user changes orientation while they are editing, just roll back the selection. 395 clearSelectedChip(); 396 return super.onSaveInstanceState(); 397 } 398 399 /** 400 * Convenience method: Append the specified text slice to the TextView's 401 * display buffer, upgrading it to BufferType.EDITABLE if it was 402 * not already editable. Commas are excluded as they are added automatically 403 * by the view. 404 */ 405 @Override 406 public void append(CharSequence text, int start, int end) { 407 // We don't care about watching text changes while appending. 408 if (mTextWatcher != null) { 409 removeTextChangedListener(mTextWatcher); 410 } 411 super.append(text, start, end); 412 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 413 String displayString = text.toString(); 414 415 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 416 // We have no separator, so we should add it 417 super.append(SEPARATOR, 0, SEPARATOR.length()); 418 displayString += SEPARATOR; 419 } 420 421 if (!TextUtils.isEmpty(displayString) 422 && TextUtils.getTrimmedLength(displayString) > 0) { 423 mPendingChipsCount++; 424 mPendingChips.add(displayString); 425 } 426 } 427 // Put a message on the queue to make sure we ALWAYS handle pending 428 // chips. 429 if (mPendingChipsCount > 0) { 430 postHandlePendingChips(); 431 } 432 mHandler.post(mAddTextWatcher); 433 } 434 435 @Override 436 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 437 super.onFocusChanged(hasFocus, direction, previous); 438 if (!hasFocus) { 439 shrink(); 440 } else { 441 expand(); 442 } 443 } 444 445 private int getExcessTopPadding() { 446 if (sExcessTopPadding == -1) { 447 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 448 } 449 return sExcessTopPadding; 450 } 451 452 @Override 453 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 454 super.setAdapter(adapter); 455 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 456 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 457 @Override 458 public void onChanged(List<RecipientEntry> entries) { 459 // Scroll the chips field to the top of the screen so 460 // that the user can see as many results as possible. 461 if (entries != null && entries.size() > 0) { 462 scrollBottomIntoView(); 463 } 464 } 465 }); 466 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 467 } 468 469 protected void scrollBottomIntoView() { 470 if (mScrollView != null && mShouldShrink) { 471 int[] location = new int[2]; 472 getLocationOnScreen(location); 473 int height = getHeight(); 474 int currentPos = location[1] + height; 475 // Desired position shows at least 1 line of chips below the action 476 // bar. We add excess padding to make sure this is always below other 477 // content. 478 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 479 if (currentPos > desiredPos) { 480 mScrollView.scrollBy(0, currentPos - desiredPos); 481 } 482 } 483 } 484 485 protected ScrollView getScrollView() { 486 return mScrollView; 487 } 488 489 @Override 490 public void performValidation() { 491 // Do nothing. Chips handles its own validation. 492 } 493 494 private void shrink() { 495 if (mTokenizer == null) { 496 return; 497 } 498 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 499 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 500 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 501 clearSelectedChip(); 502 } else { 503 if (getWidth() <= 0) { 504 // We don't have the width yet which means the view hasn't been drawn yet 505 // and there is no reason to attempt to commit chips yet. 506 // This focus lost must be the result of an orientation change 507 // or an initial rendering. 508 // Re-post the shrink for later. 509 mHandler.removeCallbacks(mDelayedShrink); 510 mHandler.post(mDelayedShrink); 511 return; 512 } 513 // Reset any pending chips as they would have been handled 514 // when the field lost focus. 515 if (mPendingChipsCount > 0) { 516 postHandlePendingChips(); 517 } else { 518 Editable editable = getText(); 519 int end = getSelectionEnd(); 520 int start = mTokenizer.findTokenStart(editable, end); 521 DrawableRecipientChip[] chips = 522 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 523 if ((chips == null || chips.length == 0)) { 524 Editable text = getText(); 525 int whatEnd = mTokenizer.findTokenEnd(text, start); 526 // This token was already tokenized, so skip past the ending token. 527 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 528 whatEnd = movePastTerminators(whatEnd); 529 } 530 // In the middle of chip; treat this as an edit 531 // and commit the whole token. 532 int selEnd = getSelectionEnd(); 533 if (whatEnd != selEnd) { 534 handleEdit(start, whatEnd); 535 } else { 536 commitChip(start, end, editable); 537 } 538 } 539 } 540 mHandler.post(mAddTextWatcher); 541 } 542 createMoreChip(); 543 } 544 545 private void expand() { 546 if (mShouldShrink) { 547 setMaxLines(Integer.MAX_VALUE); 548 } 549 removeMoreChip(); 550 setCursorVisible(true); 551 Editable text = getText(); 552 setSelection(text != null && text.length() > 0 ? text.length() : 0); 553 // If there are any temporary chips, try replacing them now that the user 554 // has expanded the field. 555 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 556 new RecipientReplacementTask().execute(); 557 mTemporaryRecipients = null; 558 } 559 } 560 561 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 562 paint.setTextSize(mChipFontSize); 563 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 564 Log.d(TAG, "Max width is negative: " + maxWidth); 565 } 566 return TextUtils.ellipsize(text, paint, maxWidth, 567 TextUtils.TruncateAt.END); 568 } 569 570 /** 571 * Creates a bitmap of the given contact on a selected chip. 572 * 573 * @param contact The recipient entry to pull data from. 574 * @param paint The paint to use to draw the bitmap. 575 */ 576 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 577 paint.setColor(sSelectedTextColor); 578 Bitmap photo; 579 if (mDisableDelete) { 580 // Show the avatar instead if we don't want to delete 581 photo = getAvatarIcon(contact); 582 } else { 583 photo = ((BitmapDrawable) mChipDelete).getBitmap(); 584 } 585 return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); 586 } 587 588 /** 589 * Creates a bitmap of the given contact on a selected chip. 590 * 591 * @param contact The recipient entry to pull data from. 592 * @param paint The paint to use to draw the bitmap. 593 */ 594 // TODO: Is leaveBlankIconSpacer obsolete now that we have left and right attributes? 595 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 596 boolean leaveBlankIconSpacer) { 597 Drawable background = getChipBackground(contact); 598 Bitmap photo = getAvatarIcon(contact); 599 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 600 return createChipBitmap(contact, paint, photo, background); 601 } 602 603 private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint, Bitmap icon, 604 Drawable background) { 605 if (background == null) { 606 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 607 return Bitmap.createBitmap( 608 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 609 } 610 611 Rect backgroundPadding = new Rect(); 612 background.getPadding(backgroundPadding); 613 614 // Ellipsize the text so that it takes AT MOST the entire width of the 615 // autocomplete text entry area. Make sure to leave space for padding 616 // on the sides. 617 int height = (int) mChipHeight; 618 // Since the icon is a square, it's width is equal to the maximum height it can be inside 619 // the chip. 620 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 621 float[] widths = new float[1]; 622 paint.getTextWidths(" ", widths); 623 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 624 calculateAvailableWidth() - iconWidth - widths[0]); 625 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 626 627 // Make sure there is a minimum chip width so the user can ALWAYS 628 // tap a chip without difficulty. 629 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 630 + backgroundPadding.left + backgroundPadding.right); 631 632 // Create the background of the chip. 633 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 634 Canvas canvas = new Canvas(tmpBitmap); 635 636 // Draw the background drawable 637 background.setBounds(0, 0, width, height); 638 background.draw(canvas); 639 // Draw the text vertically aligned 640 int textX = shouldPositionAvatarOnRight() ? 641 mChipPadding + backgroundPadding.left : 642 width - backgroundPadding.right - mChipPadding - textWidth; 643 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 644 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 645 if (icon != null) { 646 // Draw the icon 647 int iconX = shouldPositionAvatarOnRight() ? 648 width - backgroundPadding.right - iconWidth : 649 backgroundPadding.left; 650 RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 651 RectF dst = new RectF(iconX, 652 0 + backgroundPadding.top, 653 iconX + iconWidth, 654 height - backgroundPadding.bottom); 655 drawIconOnCanvas(icon, canvas, paint, src, dst); 656 } 657 return tmpBitmap; 658 } 659 660 /** 661 * Returns true if the avatar should be positioned at the right edge of the chip. 662 * Takes into account both the set avatar position (start or end) as well as whether 663 * the layout direction is LTR or RTL. 664 */ 665 private boolean shouldPositionAvatarOnRight() { 666 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 667 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 668 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 669 // If in Rtl mode, the position should be flipped. 670 return isRtl ? !assignedPosition : assignedPosition; 671 } 672 673 /** 674 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 675 * draw an icon for this recipient. 676 */ 677 private Bitmap getAvatarIcon(RecipientEntry contact) { 678 // Don't draw photos for recipients that have been typed in OR generated on the fly. 679 long contactId = contact.getContactId(); 680 boolean drawPhotos = isPhoneQuery() ? 681 contactId != RecipientEntry.INVALID_CONTACT 682 : (contactId != RecipientEntry.INVALID_CONTACT 683 && (contactId != RecipientEntry.GENERATED_CONTACT && 684 !TextUtils.isEmpty(contact.getDisplayName()))); 685 686 if (drawPhotos) { 687 byte[] photoBytes = contact.getPhotoBytes(); 688 // There may not be a photo yet if anything but the first contact address 689 // was selected. 690 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 691 // TODO: cache this in the recipient entry? 692 getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); 693 photoBytes = contact.getPhotoBytes(); 694 } 695 if (photoBytes != null) { 696 return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 697 } else { 698 // TODO: can the scaled down default photo be cached? 699 return mDefaultContactPhoto; 700 } 701 } 702 703 return null; 704 } 705 706 /** 707 * Get the background drawable for a RecipientChip. 708 */ 709 // Visible for testing. 710 /* package */Drawable getChipBackground(RecipientEntry contact) { 711 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 712 } 713 714 /** 715 * Given a height, returns a Y offset that will draw the text in the middle of the height. 716 */ 717 protected float getTextYOffset(String text, TextPaint paint, int height) { 718 Rect bounds = new Rect(); 719 paint.getTextBounds(text, 0, text.length(), bounds); 720 int textHeight = bounds.bottom - bounds.top ; 721 return height - ((height - textHeight) / 2) - (int)paint.descent(); 722 } 723 724 /** 725 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 726 * rectangle of the canvas. 727 */ 728 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 729 Matrix matrix = new Matrix(); 730 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 731 canvas.drawBitmap(icon, matrix, paint); 732 } 733 734 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 735 boolean leaveIconSpace) throws NullPointerException { 736 if (mChipBackground == null) { 737 throw new NullPointerException( 738 "Unable to render any chips as setChipDimensions was not called."); 739 } 740 741 TextPaint paint = getPaint(); 742 float defaultSize = paint.getTextSize(); 743 int defaultColor = paint.getColor(); 744 745 Bitmap tmpBitmap; 746 if (pressed) { 747 tmpBitmap = createSelectedChip(contact, paint); 748 749 } else { 750 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 751 } 752 753 // Pass the full text, un-ellipsized, to the chip. 754 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 755 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 756 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 757 // Return text to the original size. 758 paint.setTextSize(defaultSize); 759 paint.setColor(defaultColor); 760 return recipientChip; 761 } 762 763 /** 764 * Calculate the bottom of the line the chip will be located on using: 765 * 1) which line the chip appears on 766 * 2) the height of a chip 767 * 3) padding built into the edit text view 768 */ 769 private int calculateOffsetFromBottom(int line) { 770 // Line offsets start at zero. 771 int actualLine = getLineCount() - (line + 1); 772 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 773 + getDropDownVerticalOffset(); 774 } 775 776 /** 777 * Get the max amount of space a chip can take up. The formula takes into 778 * account the width of the EditTextView, any view padding, and padding 779 * that will be added to the chip. 780 */ 781 private float calculateAvailableWidth() { 782 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 783 } 784 785 786 private void setChipDimensions(Context context, AttributeSet attrs) { 787 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 788 0); 789 Resources r = getContext().getResources(); 790 791 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 792 if (mChipBackground == null) { 793 mChipBackground = r.getDrawable(R.drawable.chip_background); 794 } 795 mChipBackgroundPressed = a 796 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 797 if (mChipBackgroundPressed == null) { 798 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 799 } 800 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 801 if (mChipDelete == null) { 802 mChipDelete = r.getDrawable(R.drawable.chip_delete); 803 } 804 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 805 if (mChipPadding == -1) { 806 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 807 } 808 809 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 810 811 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 812 813 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 814 if (mChipHeight == -1) { 815 mChipHeight = r.getDimension(R.dimen.chip_height); 816 } 817 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 818 if (mChipFontSize == -1) { 819 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 820 } 821 mInvalidChipBackground = a 822 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 823 if (mInvalidChipBackground == null) { 824 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 825 } 826 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 827 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 828 829 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 830 mMaxLines = r.getInteger(R.integer.chips_max_lines); 831 TypedValue tv = new TypedValue(); 832 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 833 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 834 .getDisplayMetrics()); 835 } 836 837 a.recycle(); 838 } 839 840 // Visible for testing. 841 /* package */ void setMoreItem(TextView moreItem) { 842 mMoreItem = moreItem; 843 } 844 845 846 // Visible for testing. 847 /* package */ void setChipBackground(Drawable chipBackground) { 848 mChipBackground = chipBackground; 849 } 850 851 // Visible for testing. 852 /* package */ void setChipHeight(int height) { 853 mChipHeight = height; 854 } 855 856 public float getChipHeight() { 857 return mChipHeight; 858 } 859 860 /** 861 * Set whether to shrink the recipients field such that at most 862 * one line of recipients chips are shown when the field loses 863 * focus. By default, the number of displayed recipients will be 864 * limited and a "more" chip will be shown when focus is lost. 865 * @param shrink 866 */ 867 public void setOnFocusListShrinkRecipients(boolean shrink) { 868 mShouldShrink = shrink; 869 } 870 871 @Override 872 public void onSizeChanged(int width, int height, int oldw, int oldh) { 873 super.onSizeChanged(width, height, oldw, oldh); 874 if (width != 0 && height != 0) { 875 if (mPendingChipsCount > 0) { 876 postHandlePendingChips(); 877 } else { 878 checkChipWidths(); 879 } 880 } 881 // Try to find the scroll view parent, if it exists. 882 if (mScrollView == null && !mTriedGettingScrollView) { 883 ViewParent parent = getParent(); 884 while (parent != null && !(parent instanceof ScrollView)) { 885 parent = parent.getParent(); 886 } 887 if (parent != null) { 888 mScrollView = (ScrollView) parent; 889 } 890 mTriedGettingScrollView = true; 891 } 892 } 893 894 private void postHandlePendingChips() { 895 mHandler.removeCallbacks(mHandlePendingChips); 896 mHandler.post(mHandlePendingChips); 897 } 898 899 private void checkChipWidths() { 900 // Check the widths of the associated chips. 901 DrawableRecipientChip[] chips = getSortedRecipients(); 902 if (chips != null) { 903 Rect bounds; 904 for (DrawableRecipientChip chip : chips) { 905 bounds = chip.getBounds(); 906 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 907 // Need to redraw that chip. 908 replaceChip(chip, chip.getEntry()); 909 } 910 } 911 } 912 } 913 914 // Visible for testing. 915 /*package*/ void handlePendingChips() { 916 if (getViewWidth() <= 0) { 917 // The widget has not been sized yet. 918 // This will be called as a result of onSizeChanged 919 // at a later point. 920 return; 921 } 922 if (mPendingChipsCount <= 0) { 923 return; 924 } 925 926 synchronized (mPendingChips) { 927 Editable editable = getText(); 928 // Tokenize! 929 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 930 for (int i = 0; i < mPendingChips.size(); i++) { 931 String current = mPendingChips.get(i); 932 int tokenStart = editable.toString().indexOf(current); 933 // Always leave a space at the end between tokens. 934 int tokenEnd = tokenStart + current.length() - 1; 935 if (tokenStart >= 0) { 936 // When we have a valid token, include it with the token 937 // to the left. 938 if (tokenEnd < editable.length() - 2 939 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 940 tokenEnd++; 941 } 942 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 943 || !mShouldShrink); 944 } 945 mPendingChipsCount--; 946 } 947 sanitizeEnd(); 948 } else { 949 mNoChips = true; 950 } 951 952 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 953 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 954 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 955 new RecipientReplacementTask().execute(); 956 mTemporaryRecipients = null; 957 } else { 958 // Create the "more" chip 959 mIndividualReplacements = new IndividualReplacementTask(); 960 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 961 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 962 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 963 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 964 mTemporaryRecipients.subList(CHIP_LIMIT, 965 mTemporaryRecipients.size())); 966 } else { 967 mTemporaryRecipients = null; 968 } 969 createMoreChip(); 970 } 971 } else { 972 // There are too many recipients to look up, so just fall back 973 // to showing addresses for all of them. 974 mTemporaryRecipients = null; 975 createMoreChip(); 976 } 977 mPendingChipsCount = 0; 978 mPendingChips.clear(); 979 } 980 } 981 982 // Visible for testing. 983 /*package*/ int getViewWidth() { 984 return getWidth(); 985 } 986 987 /** 988 * Remove any characters after the last valid chip. 989 */ 990 // Visible for testing. 991 /*package*/ void sanitizeEnd() { 992 // Don't sanitize while we are waiting for pending chips to complete. 993 if (mPendingChipsCount > 0) { 994 return; 995 } 996 // Find the last chip; eliminate any commit characters after it. 997 DrawableRecipientChip[] chips = getSortedRecipients(); 998 Spannable spannable = getSpannable(); 999 if (chips != null && chips.length > 0) { 1000 int end; 1001 mMoreChip = getMoreChip(); 1002 if (mMoreChip != null) { 1003 end = spannable.getSpanEnd(mMoreChip); 1004 } else { 1005 end = getSpannable().getSpanEnd(getLastChip()); 1006 } 1007 Editable editable = getText(); 1008 int length = editable.length(); 1009 if (length > end) { 1010 // See what characters occur after that and eliminate them. 1011 if (Log.isLoggable(TAG, Log.DEBUG)) { 1012 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1013 + editable); 1014 } 1015 editable.delete(end + 1, length); 1016 } 1017 } 1018 } 1019 1020 /** 1021 * Create a chip that represents just the email address of a recipient. At some later 1022 * point, this chip will be attached to a real contact entry, if one exists. 1023 */ 1024 // VisibleForTesting 1025 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1026 boolean visible) { 1027 if (alreadyHasChip(tokenStart, tokenEnd)) { 1028 // There is already a chip present at this location. 1029 // Don't recreate it. 1030 return; 1031 } 1032 String token = editable.toString().substring(tokenStart, tokenEnd); 1033 final String trimmedToken = token.trim(); 1034 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1035 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1036 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1037 } 1038 RecipientEntry entry = createTokenizedEntry(token); 1039 if (entry != null) { 1040 DrawableRecipientChip chip = null; 1041 try { 1042 if (!mNoChips) { 1043 /* 1044 * leave space for the contact icon if this is not just an 1045 * email address 1046 */ 1047 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 1048 || TextUtils.equals(entry.getDisplayName(), 1049 entry.getDestination()); 1050 chip = visible ? 1051 constructChipSpan(entry, false, leaveSpace) 1052 : new InvisibleRecipientChip(entry); 1053 } 1054 } catch (NullPointerException e) { 1055 Log.e(TAG, e.getMessage(), e); 1056 } 1057 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1058 // Add this chip to the list of entries "to replace" 1059 if (chip != null) { 1060 if (mTemporaryRecipients == null) { 1061 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1062 } 1063 chip.setOriginalText(token); 1064 mTemporaryRecipients.add(chip); 1065 } 1066 } 1067 } 1068 1069 private static boolean isPhoneNumber(String number) { 1070 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1071 // PhoneNumberUtil). One complication is that it requires the sender's region which 1072 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1073 if (TextUtils.isEmpty(number)) { 1074 return false; 1075 } 1076 1077 Matcher match = PHONE_PATTERN.matcher(number); 1078 return match.matches(); 1079 } 1080 1081 // VisibleForTesting 1082 RecipientEntry createTokenizedEntry(final String token) { 1083 if (TextUtils.isEmpty(token)) { 1084 return null; 1085 } 1086 if (isPhoneQuery() && isPhoneNumber(token)) { 1087 return RecipientEntry.constructFakePhoneEntry(token, true); 1088 } 1089 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1090 String display = null; 1091 boolean isValid = isValid(token); 1092 if (isValid && tokens != null && tokens.length > 0) { 1093 // If we can get a name from tokenizing, then generate an entry from 1094 // this. 1095 display = tokens[0].getName(); 1096 if (!TextUtils.isEmpty(display)) { 1097 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1098 isValid); 1099 } else { 1100 display = tokens[0].getAddress(); 1101 if (!TextUtils.isEmpty(display)) { 1102 return RecipientEntry.constructFakeEntry(display, isValid); 1103 } 1104 } 1105 } 1106 // Unable to validate the token or to create a valid token from it. 1107 // Just create a chip the user can edit. 1108 String validatedToken = null; 1109 if (mValidator != null && !isValid) { 1110 // Try fixing up the entry using the validator. 1111 validatedToken = mValidator.fixText(token).toString(); 1112 if (!TextUtils.isEmpty(validatedToken)) { 1113 if (validatedToken.contains(token)) { 1114 // protect against the case of a validator with a null 1115 // domain, 1116 // which doesn't add a domain to the token 1117 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1118 if (tokenized.length > 0) { 1119 validatedToken = tokenized[0].getAddress(); 1120 isValid = true; 1121 } 1122 } else { 1123 // We ran into a case where the token was invalid and 1124 // removed 1125 // by the validator. In this case, just use the original 1126 // token 1127 // and let the user sort out the error chip. 1128 validatedToken = null; 1129 isValid = false; 1130 } 1131 } 1132 } 1133 // Otherwise, fallback to just creating an editable email address chip. 1134 return RecipientEntry.constructFakeEntry( 1135 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1136 } 1137 1138 private boolean isValid(String text) { 1139 return mValidator == null ? true : mValidator.isValid(text); 1140 } 1141 1142 private static String tokenizeAddress(String destination) { 1143 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1144 if (tokens != null && tokens.length > 0) { 1145 return tokens[0].getAddress(); 1146 } 1147 return destination; 1148 } 1149 1150 @Override 1151 public void setTokenizer(Tokenizer tokenizer) { 1152 mTokenizer = tokenizer; 1153 super.setTokenizer(mTokenizer); 1154 } 1155 1156 @Override 1157 public void setValidator(Validator validator) { 1158 mValidator = validator; 1159 super.setValidator(validator); 1160 } 1161 1162 /** 1163 * We cannot use the default mechanism for replaceText. Instead, 1164 * we override onItemClickListener so we can get all the associated 1165 * contact information including display text, address, and id. 1166 */ 1167 @Override 1168 protected void replaceText(CharSequence text) { 1169 return; 1170 } 1171 1172 /** 1173 * Dismiss any selected chips when the back key is pressed. 1174 */ 1175 @Override 1176 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1177 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1178 clearSelectedChip(); 1179 return true; 1180 } 1181 return super.onKeyPreIme(keyCode, event); 1182 } 1183 1184 /** 1185 * Monitor key presses in this view to see if the user types 1186 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1187 * If the user has entered text that has contact matches and types 1188 * a commit key, create a chip from the topmost matching contact. 1189 * If the user has entered text that has no contact matches and types 1190 * a commit key, then create a chip from the text they have entered. 1191 */ 1192 @Override 1193 public boolean onKeyUp(int keyCode, KeyEvent event) { 1194 switch (keyCode) { 1195 case KeyEvent.KEYCODE_TAB: 1196 if (event.hasNoModifiers()) { 1197 if (mSelectedChip != null) { 1198 clearSelectedChip(); 1199 } else { 1200 commitDefault(); 1201 } 1202 } 1203 break; 1204 } 1205 return super.onKeyUp(keyCode, event); 1206 } 1207 1208 private boolean focusNext() { 1209 View next = focusSearch(View.FOCUS_DOWN); 1210 if (next != null) { 1211 next.requestFocus(); 1212 return true; 1213 } 1214 return false; 1215 } 1216 1217 /** 1218 * Create a chip from the default selection. If the popup is showing, the 1219 * default is the first item in the popup suggestions list. Otherwise, it is 1220 * whatever the user had typed in. End represents where the the tokenizer 1221 * should search for a token to turn into a chip. 1222 * @return If a chip was created from a real contact. 1223 */ 1224 private boolean commitDefault() { 1225 // If there is no tokenizer, don't try to commit. 1226 if (mTokenizer == null) { 1227 return false; 1228 } 1229 Editable editable = getText(); 1230 int end = getSelectionEnd(); 1231 int start = mTokenizer.findTokenStart(editable, end); 1232 1233 if (shouldCreateChip(start, end)) { 1234 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1235 // In the middle of chip; treat this as an edit 1236 // and commit the whole token. 1237 whatEnd = movePastTerminators(whatEnd); 1238 if (whatEnd != getSelectionEnd()) { 1239 handleEdit(start, whatEnd); 1240 return true; 1241 } 1242 return commitChip(start, end , editable); 1243 } 1244 return false; 1245 } 1246 1247 private void commitByCharacter() { 1248 // We can't possibly commit by character if we can't tokenize. 1249 if (mTokenizer == null) { 1250 return; 1251 } 1252 Editable editable = getText(); 1253 int end = getSelectionEnd(); 1254 int start = mTokenizer.findTokenStart(editable, end); 1255 if (shouldCreateChip(start, end)) { 1256 commitChip(start, end, editable); 1257 } 1258 setSelection(getText().length()); 1259 } 1260 1261 private boolean commitChip(int start, int end, Editable editable) { 1262 ListAdapter adapter = getAdapter(); 1263 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1264 && end == getSelectionEnd() && !isPhoneQuery()) { 1265 // choose the first entry. 1266 submitItemAtPosition(0); 1267 dismissDropDown(); 1268 return true; 1269 } else { 1270 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1271 if (editable.length() > tokenEnd + 1) { 1272 char charAt = editable.charAt(tokenEnd + 1); 1273 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1274 tokenEnd++; 1275 } 1276 } 1277 String text = editable.toString().substring(start, tokenEnd).trim(); 1278 clearComposingText(); 1279 if (text != null && text.length() > 0 && !text.equals(" ")) { 1280 RecipientEntry entry = createTokenizedEntry(text); 1281 if (entry != null) { 1282 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1283 CharSequence chipText = createChip(entry, false); 1284 if (chipText != null && start > -1 && end > -1) { 1285 editable.replace(start, end, chipText); 1286 } 1287 } 1288 // Only dismiss the dropdown if it is related to the text we 1289 // just committed. 1290 // For paste, it may not be as there are possibly multiple 1291 // tokens being added. 1292 if (end == getSelectionEnd()) { 1293 dismissDropDown(); 1294 } 1295 sanitizeBetween(); 1296 return true; 1297 } 1298 } 1299 return false; 1300 } 1301 1302 // Visible for testing. 1303 /* package */ void sanitizeBetween() { 1304 // Don't sanitize while we are waiting for content to chipify. 1305 if (mPendingChipsCount > 0) { 1306 return; 1307 } 1308 // Find the last chip. 1309 DrawableRecipientChip[] recips = getSortedRecipients(); 1310 if (recips != null && recips.length > 0) { 1311 DrawableRecipientChip last = recips[recips.length - 1]; 1312 DrawableRecipientChip beforeLast = null; 1313 if (recips.length > 1) { 1314 beforeLast = recips[recips.length - 2]; 1315 } 1316 int startLooking = 0; 1317 int end = getSpannable().getSpanStart(last); 1318 if (beforeLast != null) { 1319 startLooking = getSpannable().getSpanEnd(beforeLast); 1320 Editable text = getText(); 1321 if (startLooking == -1 || startLooking > text.length() - 1) { 1322 // There is nothing after this chip. 1323 return; 1324 } 1325 if (text.charAt(startLooking) == ' ') { 1326 startLooking++; 1327 } 1328 } 1329 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1330 getText().delete(startLooking, end); 1331 } 1332 } 1333 } 1334 1335 private boolean shouldCreateChip(int start, int end) { 1336 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1337 } 1338 1339 private boolean alreadyHasChip(int start, int end) { 1340 if (mNoChips) { 1341 return true; 1342 } 1343 DrawableRecipientChip[] chips = 1344 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1345 if ((chips == null || chips.length == 0)) { 1346 return false; 1347 } 1348 return true; 1349 } 1350 1351 private void handleEdit(int start, int end) { 1352 if (start == -1 || end == -1) { 1353 // This chip no longer exists in the field. 1354 dismissDropDown(); 1355 return; 1356 } 1357 // This is in the middle of a chip, so select out the whole chip 1358 // and commit it. 1359 Editable editable = getText(); 1360 setSelection(end); 1361 String text = getText().toString().substring(start, end); 1362 if (!TextUtils.isEmpty(text)) { 1363 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1364 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1365 CharSequence chipText = createChip(entry, false); 1366 int selEnd = getSelectionEnd(); 1367 if (chipText != null && start > -1 && selEnd > -1) { 1368 editable.replace(start, selEnd, chipText); 1369 } 1370 } 1371 dismissDropDown(); 1372 } 1373 1374 /** 1375 * If there is a selected chip, delegate the key events 1376 * to the selected chip. 1377 */ 1378 @Override 1379 public boolean onKeyDown(int keyCode, KeyEvent event) { 1380 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1381 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1382 mAlternatesPopup.dismiss(); 1383 } 1384 removeChip(mSelectedChip); 1385 } 1386 1387 switch (keyCode) { 1388 case KeyEvent.KEYCODE_ENTER: 1389 case KeyEvent.KEYCODE_DPAD_CENTER: 1390 if (event.hasNoModifiers()) { 1391 if (commitDefault()) { 1392 return true; 1393 } 1394 if (mSelectedChip != null) { 1395 clearSelectedChip(); 1396 return true; 1397 } else if (focusNext()) { 1398 return true; 1399 } 1400 } 1401 break; 1402 } 1403 1404 return super.onKeyDown(keyCode, event); 1405 } 1406 1407 // Visible for testing. 1408 /* package */ Spannable getSpannable() { 1409 return getText(); 1410 } 1411 1412 private int getChipStart(DrawableRecipientChip chip) { 1413 return getSpannable().getSpanStart(chip); 1414 } 1415 1416 private int getChipEnd(DrawableRecipientChip chip) { 1417 return getSpannable().getSpanEnd(chip); 1418 } 1419 1420 /** 1421 * Instead of filtering on the entire contents of the edit box, 1422 * this subclass method filters on the range from 1423 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1424 * if the length of that range meets or exceeds {@link #getThreshold} 1425 * and makes sure that the range is not already a Chip. 1426 */ 1427 @Override 1428 protected void performFiltering(CharSequence text, int keyCode) { 1429 boolean isCompletedToken = isCompletedToken(text); 1430 if (enoughToFilter() && !isCompletedToken) { 1431 int end = getSelectionEnd(); 1432 int start = mTokenizer.findTokenStart(text, end); 1433 // If this is a RecipientChip, don't filter 1434 // on its contents. 1435 Spannable span = getSpannable(); 1436 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1437 if (chips != null && chips.length > 0) { 1438 dismissDropDown(); 1439 return; 1440 } 1441 } else if (isCompletedToken) { 1442 dismissDropDown(); 1443 return; 1444 } 1445 super.performFiltering(text, keyCode); 1446 } 1447 1448 // Visible for testing. 1449 /*package*/ boolean isCompletedToken(CharSequence text) { 1450 if (TextUtils.isEmpty(text)) { 1451 return false; 1452 } 1453 // Check to see if this is a completed token before filtering. 1454 int end = text.length(); 1455 int start = mTokenizer.findTokenStart(text, end); 1456 String token = text.toString().substring(start, end).trim(); 1457 if (!TextUtils.isEmpty(token)) { 1458 char atEnd = token.charAt(token.length() - 1); 1459 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1460 } 1461 return false; 1462 } 1463 1464 private void clearSelectedChip() { 1465 if (mSelectedChip != null) { 1466 unselectChip(mSelectedChip); 1467 mSelectedChip = null; 1468 } 1469 setCursorVisible(true); 1470 } 1471 1472 /** 1473 * Monitor touch events in the RecipientEditTextView. 1474 * If the view does not have focus, any tap on the view 1475 * will just focus the view. If the view has focus, determine 1476 * if the touch target is a recipient chip. If it is and the chip 1477 * is not selected, select it and clear any other selected chips. 1478 * If it isn't, then select that chip. 1479 */ 1480 @Override 1481 public boolean onTouchEvent(MotionEvent event) { 1482 if (!isFocused()) { 1483 // Ignore any chip taps until this view is focused. 1484 return super.onTouchEvent(event); 1485 } 1486 boolean handled = super.onTouchEvent(event); 1487 int action = event.getAction(); 1488 boolean chipWasSelected = false; 1489 if (mSelectedChip == null) { 1490 mGestureDetector.onTouchEvent(event); 1491 } 1492 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1493 float x = event.getX(); 1494 float y = event.getY(); 1495 int offset = putOffsetInRange(x, y); 1496 DrawableRecipientChip currentChip = findChip(offset); 1497 if (currentChip != null) { 1498 if (action == MotionEvent.ACTION_UP) { 1499 if (mSelectedChip != null && mSelectedChip != currentChip) { 1500 clearSelectedChip(); 1501 mSelectedChip = selectChip(currentChip); 1502 } else if (mSelectedChip == null) { 1503 setSelection(getText().length()); 1504 commitDefault(); 1505 mSelectedChip = selectChip(currentChip); 1506 } else { 1507 onClick(mSelectedChip, offset, x, y); 1508 } 1509 } 1510 chipWasSelected = true; 1511 handled = true; 1512 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1513 chipWasSelected = true; 1514 } 1515 } 1516 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1517 clearSelectedChip(); 1518 } 1519 return handled; 1520 } 1521 1522 private void scrollLineIntoView(int line) { 1523 if (mScrollView != null) { 1524 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1525 } 1526 } 1527 1528 private void showAlternates(final DrawableRecipientChip currentChip, 1529 final ListPopupWindow alternatesPopup, final int width) { 1530 new AsyncTask<Void, Void, ListAdapter>() { 1531 @Override 1532 protected ListAdapter doInBackground(final Void... params) { 1533 return createAlternatesAdapter(currentChip); 1534 } 1535 1536 @Override 1537 protected void onPostExecute(final ListAdapter result) { 1538 if (!mAttachedToWindow) { 1539 return; 1540 } 1541 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1542 int bottom; 1543 if (line == getLineCount() -1) { 1544 bottom = 0; 1545 } else { 1546 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1547 .abs(getLineCount() - 1 - line))); 1548 } 1549 // Align the alternates popup with the left side of the View, 1550 // regardless of the position of the chip tapped. 1551 alternatesPopup.setWidth(width); 1552 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1553 alternatesPopup.setVerticalOffset(bottom); 1554 alternatesPopup.setAdapter(result); 1555 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1556 // Clear the checked item. 1557 mCheckedItem = -1; 1558 alternatesPopup.show(); 1559 ListView listView = alternatesPopup.getListView(); 1560 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1561 // Checked item would be -1 if the adapter has not 1562 // loaded the view that should be checked yet. The 1563 // variable will be set correctly when onCheckedItemChanged 1564 // is called in a separate thread. 1565 if (mCheckedItem != -1) { 1566 listView.setItemChecked(mCheckedItem, true); 1567 mCheckedItem = -1; 1568 } 1569 } 1570 }.execute((Void[]) null); 1571 } 1572 1573 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1574 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1575 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1576 } 1577 1578 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1579 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1580 mDropdownChipLayouter); 1581 } 1582 1583 @Override 1584 public void onCheckedItemChanged(int position) { 1585 ListView listView = mAlternatesPopup.getListView(); 1586 if (listView != null && listView.getCheckedItemCount() == 0) { 1587 listView.setItemChecked(position, true); 1588 } 1589 mCheckedItem = position; 1590 } 1591 1592 private int putOffsetInRange(final float x, final float y) { 1593 final int offset; 1594 1595 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1596 offset = getOffsetForPosition(x, y); 1597 } else { 1598 offset = supportGetOffsetForPosition(x, y); 1599 } 1600 1601 return putOffsetInRange(offset); 1602 } 1603 1604 // TODO: This algorithm will need a lot of tweaking after more people have used 1605 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1606 // what comes before the finger. 1607 private int putOffsetInRange(int o) { 1608 int offset = o; 1609 Editable text = getText(); 1610 int length = text.length(); 1611 // Remove whitespace from end to find "real end" 1612 int realLength = length; 1613 for (int i = length - 1; i >= 0; i--) { 1614 if (text.charAt(i) == ' ') { 1615 realLength--; 1616 } else { 1617 break; 1618 } 1619 } 1620 1621 // If the offset is beyond or at the end of the text, 1622 // leave it alone. 1623 if (offset >= realLength) { 1624 return offset; 1625 } 1626 Editable editable = getText(); 1627 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1628 // Keep walking backward! 1629 offset--; 1630 } 1631 return offset; 1632 } 1633 1634 private static int findText(Editable text, int offset) { 1635 if (text.charAt(offset) != ' ') { 1636 return offset; 1637 } 1638 return -1; 1639 } 1640 1641 private DrawableRecipientChip findChip(int offset) { 1642 DrawableRecipientChip[] chips = 1643 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1644 // Find the chip that contains this offset. 1645 for (int i = 0; i < chips.length; i++) { 1646 DrawableRecipientChip chip = chips[i]; 1647 int start = getChipStart(chip); 1648 int end = getChipEnd(chip); 1649 if (offset >= start && offset <= end) { 1650 return chip; 1651 } 1652 } 1653 return null; 1654 } 1655 1656 // Visible for testing. 1657 // Use this method to generate text to add to the list of addresses. 1658 /* package */String createAddressText(RecipientEntry entry) { 1659 String display = entry.getDisplayName(); 1660 String address = entry.getDestination(); 1661 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1662 display = null; 1663 } 1664 String trimmedDisplayText; 1665 if (isPhoneQuery() && isPhoneNumber(address)) { 1666 trimmedDisplayText = address.trim(); 1667 } else { 1668 if (address != null) { 1669 // Tokenize out the address in case the address already 1670 // contained the username as well. 1671 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1672 if (tokenized != null && tokenized.length > 0) { 1673 address = tokenized[0].getAddress(); 1674 } 1675 } 1676 Rfc822Token token = new Rfc822Token(display, address, null); 1677 trimmedDisplayText = token.toString().trim(); 1678 } 1679 int index = trimmedDisplayText.indexOf(","); 1680 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1681 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1682 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1683 } 1684 1685 // Visible for testing. 1686 // Use this method to generate text to display in a chip. 1687 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1688 String display = entry.getDisplayName(); 1689 String address = entry.getDestination(); 1690 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1691 display = null; 1692 } 1693 if (!TextUtils.isEmpty(display)) { 1694 return display; 1695 } else if (!TextUtils.isEmpty(address)){ 1696 return address; 1697 } else { 1698 return new Rfc822Token(display, address, null).toString(); 1699 } 1700 } 1701 1702 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1703 String displayText = createAddressText(entry); 1704 if (TextUtils.isEmpty(displayText)) { 1705 return null; 1706 } 1707 SpannableString chipText = null; 1708 // Always leave a blank space at the end of a chip. 1709 int textLength = displayText.length() - 1; 1710 chipText = new SpannableString(displayText); 1711 if (!mNoChips) { 1712 try { 1713 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1714 false /* leave space for contact icon */); 1715 chipText.setSpan(chip, 0, textLength, 1716 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1717 chip.setOriginalText(chipText.toString()); 1718 } catch (NullPointerException e) { 1719 Log.e(TAG, e.getMessage(), e); 1720 return null; 1721 } 1722 } 1723 return chipText; 1724 } 1725 1726 /** 1727 * When an item in the suggestions list has been clicked, create a chip from the 1728 * contact information of the selected item. 1729 */ 1730 @Override 1731 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1732 if (position < 0) { 1733 return; 1734 } 1735 submitItemAtPosition(position); 1736 } 1737 1738 private void submitItemAtPosition(int position) { 1739 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1740 if (entry == null) { 1741 return; 1742 } 1743 clearComposingText(); 1744 1745 int end = getSelectionEnd(); 1746 int start = mTokenizer.findTokenStart(getText(), end); 1747 1748 Editable editable = getText(); 1749 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1750 CharSequence chip = createChip(entry, false); 1751 if (chip != null && start >= 0 && end >= 0) { 1752 editable.replace(start, end, chip); 1753 } 1754 sanitizeBetween(); 1755 } 1756 1757 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1758 if (item == null) { 1759 return null; 1760 } 1761 final RecipientEntry entry; 1762 // If the display name and the address are the same, or if this is a 1763 // valid contact, but the destination is invalid, then make this a fake 1764 // recipient that is editable. 1765 String destination = item.getDestination(); 1766 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1767 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1768 destination, item.isValid()); 1769 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1770 && (TextUtils.isEmpty(item.getDisplayName()) 1771 || TextUtils.equals(item.getDisplayName(), destination) 1772 || (mValidator != null && !mValidator.isValid(destination)))) { 1773 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1774 } else { 1775 entry = item; 1776 } 1777 return entry; 1778 } 1779 1780 /** Returns a collection of contact Id for each chip inside this View. */ 1781 /* package */ Collection<Long> getContactIds() { 1782 final Set<Long> result = new HashSet<Long>(); 1783 DrawableRecipientChip[] chips = getSortedRecipients(); 1784 if (chips != null) { 1785 for (DrawableRecipientChip chip : chips) { 1786 result.add(chip.getContactId()); 1787 } 1788 } 1789 return result; 1790 } 1791 1792 1793 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1794 /* package */ Collection<Long> getDataIds() { 1795 final Set<Long> result = new HashSet<Long>(); 1796 DrawableRecipientChip [] chips = getSortedRecipients(); 1797 if (chips != null) { 1798 for (DrawableRecipientChip chip : chips) { 1799 result.add(chip.getDataId()); 1800 } 1801 } 1802 return result; 1803 } 1804 1805 // Visible for testing. 1806 /* package */DrawableRecipientChip[] getSortedRecipients() { 1807 DrawableRecipientChip[] recips = getSpannable() 1808 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1809 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1810 Arrays.asList(recips)); 1811 final Spannable spannable = getSpannable(); 1812 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1813 1814 @Override 1815 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1816 int firstStart = spannable.getSpanStart(first); 1817 int secondStart = spannable.getSpanStart(second); 1818 if (firstStart < secondStart) { 1819 return -1; 1820 } else if (firstStart > secondStart) { 1821 return 1; 1822 } else { 1823 return 0; 1824 } 1825 } 1826 }); 1827 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1828 } 1829 1830 @Override 1831 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1832 return false; 1833 } 1834 1835 @Override 1836 public void onDestroyActionMode(ActionMode mode) { 1837 } 1838 1839 @Override 1840 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1841 return false; 1842 } 1843 1844 /** 1845 * No chips are selectable. 1846 */ 1847 @Override 1848 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1849 return false; 1850 } 1851 1852 // Visible for testing. 1853 /* package */ImageSpan getMoreChip() { 1854 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1855 MoreImageSpan.class); 1856 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1857 } 1858 1859 private MoreImageSpan createMoreSpan(int count) { 1860 String moreText = String.format(mMoreItem.getText().toString(), count); 1861 TextPaint morePaint = new TextPaint(getPaint()); 1862 morePaint.setTextSize(mMoreItem.getTextSize()); 1863 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1864 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1865 + mMoreItem.getPaddingRight(); 1866 int height = getLineHeight(); 1867 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1868 Canvas canvas = new Canvas(drawable); 1869 int adjustedHeight = height; 1870 Layout layout = getLayout(); 1871 if (layout != null) { 1872 adjustedHeight -= layout.getLineDescent(0); 1873 } 1874 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1875 1876 Drawable result = new BitmapDrawable(getResources(), drawable); 1877 result.setBounds(0, 0, width, height); 1878 return new MoreImageSpan(result); 1879 } 1880 1881 // Visible for testing. 1882 /*package*/ void createMoreChipPlainText() { 1883 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1884 Editable text = getText(); 1885 int start = 0; 1886 int end = start; 1887 for (int i = 0; i < CHIP_LIMIT; i++) { 1888 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1889 start = end; // move to the next token and get its end. 1890 } 1891 // Now, count total addresses. 1892 start = 0; 1893 int tokenCount = countTokens(text); 1894 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1895 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1896 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1897 text.replace(end, text.length(), chipText); 1898 mMoreChip = moreSpan; 1899 } 1900 1901 // Visible for testing. 1902 /* package */int countTokens(Editable text) { 1903 int tokenCount = 0; 1904 int start = 0; 1905 while (start < text.length()) { 1906 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1907 tokenCount++; 1908 if (start >= text.length()) { 1909 break; 1910 } 1911 } 1912 return tokenCount; 1913 } 1914 1915 /** 1916 * Create the more chip. The more chip is text that replaces any chips that 1917 * do not fit in the pre-defined available space when the 1918 * RecipientEditTextView loses focus. 1919 */ 1920 // Visible for testing. 1921 /* package */ void createMoreChip() { 1922 if (mNoChips) { 1923 createMoreChipPlainText(); 1924 return; 1925 } 1926 1927 if (!mShouldShrink) { 1928 return; 1929 } 1930 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1931 if (tempMore.length > 0) { 1932 getSpannable().removeSpan(tempMore[0]); 1933 } 1934 DrawableRecipientChip[] recipients = getSortedRecipients(); 1935 1936 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1937 mMoreChip = null; 1938 return; 1939 } 1940 Spannable spannable = getSpannable(); 1941 int numRecipients = recipients.length; 1942 int overage = numRecipients - CHIP_LIMIT; 1943 MoreImageSpan moreSpan = createMoreSpan(overage); 1944 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1945 int totalReplaceStart = 0; 1946 int totalReplaceEnd = 0; 1947 Editable text = getText(); 1948 for (int i = numRecipients - overage; i < recipients.length; i++) { 1949 mRemovedSpans.add(recipients[i]); 1950 if (i == numRecipients - overage) { 1951 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1952 } 1953 if (i == recipients.length - 1) { 1954 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1955 } 1956 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1957 int spanStart = spannable.getSpanStart(recipients[i]); 1958 int spanEnd = spannable.getSpanEnd(recipients[i]); 1959 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1960 } 1961 spannable.removeSpan(recipients[i]); 1962 } 1963 if (totalReplaceEnd < text.length()) { 1964 totalReplaceEnd = text.length(); 1965 } 1966 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1967 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1968 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1969 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1970 text.replace(start, end, chipText); 1971 mMoreChip = moreSpan; 1972 // If adding the +more chip goes over the limit, resize accordingly. 1973 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1974 setMaxLines(getLineCount()); 1975 } 1976 } 1977 1978 /** 1979 * Replace the more chip, if it exists, with all of the recipient chips it had 1980 * replaced when the RecipientEditTextView gains focus. 1981 */ 1982 // Visible for testing. 1983 /*package*/ void removeMoreChip() { 1984 if (mMoreChip != null) { 1985 Spannable span = getSpannable(); 1986 span.removeSpan(mMoreChip); 1987 mMoreChip = null; 1988 // Re-add the spans that were removed. 1989 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1990 // Recreate each removed span. 1991 DrawableRecipientChip[] recipients = getSortedRecipients(); 1992 // Start the search for tokens after the last currently visible 1993 // chip. 1994 if (recipients == null || recipients.length == 0) { 1995 return; 1996 } 1997 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1998 Editable editable = getText(); 1999 for (DrawableRecipientChip chip : mRemovedSpans) { 2000 int chipStart; 2001 int chipEnd; 2002 String token; 2003 // Need to find the location of the chip, again. 2004 token = (String) chip.getOriginalText(); 2005 // As we find the matching recipient for the remove spans, 2006 // reduce the size of the string we need to search. 2007 // That way, if there are duplicates, we always find the correct 2008 // recipient. 2009 chipStart = editable.toString().indexOf(token, end); 2010 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2011 // Only set the span if we found a matching token. 2012 if (chipStart != -1) { 2013 editable.setSpan(chip, chipStart, chipEnd, 2014 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2015 } 2016 } 2017 mRemovedSpans.clear(); 2018 } 2019 } 2020 } 2021 2022 /** 2023 * Show specified chip as selected. If the RecipientChip is just an email address, 2024 * selecting the chip will take the contents of the chip and place it at 2025 * the end of the RecipientEditTextView for inline editing. If the 2026 * RecipientChip is a complete contact, then selecting the chip 2027 * will change the background color of the chip, show the delete icon, 2028 * and a popup window with the address in use highlighted and any other 2029 * alternate addresses for the contact. 2030 * @param currentChip Chip to select. 2031 * @return A RecipientChip in the selected state or null if the chip 2032 * just contained an email address. 2033 */ 2034 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2035 if (shouldShowEditableText(currentChip)) { 2036 CharSequence text = currentChip.getValue(); 2037 Editable editable = getText(); 2038 Spannable spannable = getSpannable(); 2039 int spanStart = spannable.getSpanStart(currentChip); 2040 int spanEnd = spannable.getSpanEnd(currentChip); 2041 spannable.removeSpan(currentChip); 2042 editable.delete(spanStart, spanEnd); 2043 setCursorVisible(true); 2044 setSelection(editable.length()); 2045 editable.append(text); 2046 return constructChipSpan( 2047 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2048 true, false); 2049 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT 2050 || currentChip.isGalContact()) { 2051 int start = getChipStart(currentChip); 2052 int end = getChipEnd(currentChip); 2053 getSpannable().removeSpan(currentChip); 2054 DrawableRecipientChip newChip; 2055 try { 2056 if (mNoChips) { 2057 return null; 2058 } 2059 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2060 } catch (NullPointerException e) { 2061 Log.e(TAG, e.getMessage(), e); 2062 return null; 2063 } 2064 Editable editable = getText(); 2065 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2066 if (start == -1 || end == -1) { 2067 Log.d(TAG, "The chip being selected no longer exists but should."); 2068 } else { 2069 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2070 } 2071 newChip.setSelected(true); 2072 if (shouldShowEditableText(newChip)) { 2073 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2074 } 2075 showAddress(newChip, mAddressPopup, getWidth()); 2076 setCursorVisible(false); 2077 return newChip; 2078 } else { 2079 int start = getChipStart(currentChip); 2080 int end = getChipEnd(currentChip); 2081 getSpannable().removeSpan(currentChip); 2082 DrawableRecipientChip newChip; 2083 try { 2084 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2085 } catch (NullPointerException e) { 2086 Log.e(TAG, e.getMessage(), e); 2087 return null; 2088 } 2089 Editable editable = getText(); 2090 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2091 if (start == -1 || end == -1) { 2092 Log.d(TAG, "The chip being selected no longer exists but should."); 2093 } else { 2094 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2095 } 2096 newChip.setSelected(true); 2097 if (shouldShowEditableText(newChip)) { 2098 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2099 } 2100 showAlternates(newChip, mAlternatesPopup, getWidth()); 2101 setCursorVisible(false); 2102 return newChip; 2103 } 2104 } 2105 2106 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2107 long contactId = currentChip.getContactId(); 2108 return contactId == RecipientEntry.INVALID_CONTACT 2109 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2110 } 2111 2112 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2113 int width) { 2114 if (!mAttachedToWindow) { 2115 return; 2116 } 2117 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2118 int bottom = calculateOffsetFromBottom(line); 2119 // Align the alternates popup with the left side of the View, 2120 // regardless of the position of the chip tapped. 2121 popup.setWidth(width); 2122 popup.setAnchorView(this); 2123 popup.setVerticalOffset(bottom); 2124 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2125 popup.setOnItemClickListener(new OnItemClickListener() { 2126 @Override 2127 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2128 unselectChip(currentChip); 2129 popup.dismiss(); 2130 } 2131 }); 2132 popup.show(); 2133 ListView listView = popup.getListView(); 2134 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2135 listView.setItemChecked(0, true); 2136 } 2137 2138 /** 2139 * Remove selection from this chip. Unselecting a RecipientChip will render 2140 * the chip without a delete icon and with an unfocused background. This is 2141 * called when the RecipientChip no longer has focus. 2142 */ 2143 private void unselectChip(DrawableRecipientChip chip) { 2144 int start = getChipStart(chip); 2145 int end = getChipEnd(chip); 2146 Editable editable = getText(); 2147 mSelectedChip = null; 2148 if (start == -1 || end == -1) { 2149 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2150 setSelection(editable.length()); 2151 commitDefault(); 2152 } else { 2153 getSpannable().removeSpan(chip); 2154 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2155 editable.removeSpan(chip); 2156 try { 2157 if (!mNoChips) { 2158 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2159 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2160 } 2161 } catch (NullPointerException e) { 2162 Log.e(TAG, e.getMessage(), e); 2163 } 2164 } 2165 setCursorVisible(true); 2166 setSelection(editable.length()); 2167 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2168 mAlternatesPopup.dismiss(); 2169 } 2170 } 2171 2172 /** 2173 * Return whether a touch event was inside the delete target of 2174 * a selected chip. It is in the delete target if: 2175 * 1) the x and y points of the event are within the 2176 * delete assset. 2177 * 2) the point tapped would have caused a cursor to appear 2178 * right after the selected chip. 2179 * @return boolean 2180 */ 2181 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2182 // Figure out the bounds of this chip and whether or not 2183 // the user clicked in the X portion. 2184 // TODO: Should x and y be used, or removed? 2185 if (mDisableDelete) { 2186 return false; 2187 } 2188 2189 return chip.isSelected() && 2190 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2191 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2192 } 2193 2194 /** 2195 * Remove the chip and any text associated with it from the RecipientEditTextView. 2196 */ 2197 // Visible for testing. 2198 /* package */void removeChip(DrawableRecipientChip chip) { 2199 Spannable spannable = getSpannable(); 2200 int spanStart = spannable.getSpanStart(chip); 2201 int spanEnd = spannable.getSpanEnd(chip); 2202 Editable text = getText(); 2203 int toDelete = spanEnd; 2204 boolean wasSelected = chip == mSelectedChip; 2205 // Clear that there is a selected chip before updating any text. 2206 if (wasSelected) { 2207 mSelectedChip = null; 2208 } 2209 // Always remove trailing spaces when removing a chip. 2210 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2211 toDelete++; 2212 } 2213 spannable.removeSpan(chip); 2214 if (spanStart >= 0 && toDelete > 0) { 2215 text.delete(spanStart, toDelete); 2216 } 2217 if (wasSelected) { 2218 clearSelectedChip(); 2219 } 2220 } 2221 2222 /** 2223 * Replace this currently selected chip with a new chip 2224 * that uses the contact data provided. 2225 */ 2226 // Visible for testing. 2227 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2228 boolean wasSelected = chip == mSelectedChip; 2229 if (wasSelected) { 2230 mSelectedChip = null; 2231 } 2232 int start = getChipStart(chip); 2233 int end = getChipEnd(chip); 2234 getSpannable().removeSpan(chip); 2235 Editable editable = getText(); 2236 CharSequence chipText = createChip(entry, false); 2237 if (chipText != null) { 2238 if (start == -1 || end == -1) { 2239 Log.e(TAG, "The chip to replace does not exist but should."); 2240 editable.insert(0, chipText); 2241 } else { 2242 if (!TextUtils.isEmpty(chipText)) { 2243 // There may be a space to replace with this chip's new 2244 // associated space. Check for it 2245 int toReplace = end; 2246 while (toReplace >= 0 && toReplace < editable.length() 2247 && editable.charAt(toReplace) == ' ') { 2248 toReplace++; 2249 } 2250 editable.replace(start, toReplace, chipText); 2251 } 2252 } 2253 } 2254 setCursorVisible(true); 2255 if (wasSelected) { 2256 clearSelectedChip(); 2257 } 2258 } 2259 2260 /** 2261 * Handle click events for a chip. When a selected chip receives a click 2262 * event, see if that event was in the delete icon. If so, delete it. 2263 * Otherwise, unselect the chip. 2264 */ 2265 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2266 if (chip.isSelected()) { 2267 if (isInDelete(chip, offset, x, y)) { 2268 removeChip(chip); 2269 } else { 2270 clearSelectedChip(); 2271 } 2272 } 2273 } 2274 2275 private boolean chipsPending() { 2276 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2277 } 2278 2279 @Override 2280 public void removeTextChangedListener(TextWatcher watcher) { 2281 mTextWatcher = null; 2282 super.removeTextChangedListener(watcher); 2283 } 2284 2285 private class RecipientTextWatcher implements TextWatcher { 2286 2287 @Override 2288 public void afterTextChanged(Editable s) { 2289 // If the text has been set to null or empty, make sure we remove 2290 // all the spans we applied. 2291 if (TextUtils.isEmpty(s)) { 2292 // Remove all the chips spans. 2293 Spannable spannable = getSpannable(); 2294 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2295 DrawableRecipientChip.class); 2296 for (DrawableRecipientChip chip : chips) { 2297 spannable.removeSpan(chip); 2298 } 2299 if (mMoreChip != null) { 2300 spannable.removeSpan(mMoreChip); 2301 } 2302 clearSelectedChip(); 2303 return; 2304 } 2305 // Get whether there are any recipients pending addition to the 2306 // view. If there are, don't do anything in the text watcher. 2307 if (chipsPending()) { 2308 return; 2309 } 2310 // If the user is editing a chip, don't clear it. 2311 if (mSelectedChip != null) { 2312 if (!isGeneratedContact(mSelectedChip)) { 2313 setCursorVisible(true); 2314 setSelection(getText().length()); 2315 clearSelectedChip(); 2316 } else { 2317 return; 2318 } 2319 } 2320 int length = s.length(); 2321 // Make sure there is content there to parse and that it is 2322 // not just the commit character. 2323 if (length > 1) { 2324 if (lastCharacterIsCommitCharacter(s)) { 2325 commitByCharacter(); 2326 return; 2327 } 2328 char last; 2329 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2330 int len = length() - 1; 2331 if (end != len) { 2332 last = s.charAt(end); 2333 } else { 2334 last = s.charAt(len); 2335 } 2336 if (last == COMMIT_CHAR_SPACE) { 2337 if (!isPhoneQuery()) { 2338 // Check if this is a valid email address. If it is, 2339 // commit it. 2340 String text = getText().toString(); 2341 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2342 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2343 tokenStart)); 2344 if (!TextUtils.isEmpty(sub) && mValidator != null && 2345 mValidator.isValid(sub)) { 2346 commitByCharacter(); 2347 } 2348 } 2349 } 2350 } 2351 } 2352 2353 @Override 2354 public void onTextChanged(CharSequence s, int start, int before, int count) { 2355 // The user deleted some text OR some text was replaced; check to 2356 // see if the insertion point is on a space 2357 // following a chip. 2358 if (before - count == 1) { 2359 // If the item deleted is a space, and the thing before the 2360 // space is a chip, delete the entire span. 2361 int selStart = getSelectionStart(); 2362 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2363 DrawableRecipientChip.class); 2364 if (repl.length > 0) { 2365 // There is a chip there! Just remove it. 2366 Editable editable = getText(); 2367 // Add the separator token. 2368 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2369 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2370 tokenEnd = tokenEnd + 1; 2371 if (tokenEnd > editable.length()) { 2372 tokenEnd = editable.length(); 2373 } 2374 editable.delete(tokenStart, tokenEnd); 2375 getSpannable().removeSpan(repl[0]); 2376 } 2377 } else if (count > before) { 2378 if (mSelectedChip != null 2379 && isGeneratedContact(mSelectedChip)) { 2380 if (lastCharacterIsCommitCharacter(s)) { 2381 commitByCharacter(); 2382 return; 2383 } 2384 } 2385 } 2386 } 2387 2388 @Override 2389 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2390 // Do nothing. 2391 } 2392 } 2393 2394 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2395 char last; 2396 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2397 int len = length() - 1; 2398 if (end != len) { 2399 last = s.charAt(end); 2400 } else { 2401 last = s.charAt(len); 2402 } 2403 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2404 } 2405 2406 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2407 long contactId = chip.getContactId(); 2408 return contactId == RecipientEntry.INVALID_CONTACT 2409 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2410 } 2411 2412 /** 2413 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2414 */ 2415 private void handlePasteClip(ClipData clip) { 2416 removeTextChangedListener(mTextWatcher); 2417 2418 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2419 for (int i = 0; i < clip.getItemCount(); i++) { 2420 CharSequence paste = clip.getItemAt(i).getText(); 2421 if (paste != null) { 2422 int start = getSelectionStart(); 2423 int end = getSelectionEnd(); 2424 Editable editable = getText(); 2425 if (start >= 0 && end >= 0 && start != end) { 2426 editable.append(paste, start, end); 2427 } else { 2428 editable.insert(end, paste); 2429 } 2430 handlePasteAndReplace(); 2431 } 2432 } 2433 } 2434 2435 mHandler.post(mAddTextWatcher); 2436 } 2437 2438 @Override 2439 public boolean onTextContextMenuItem(int id) { 2440 if (id == android.R.id.paste) { 2441 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2442 Context.CLIPBOARD_SERVICE); 2443 handlePasteClip(clipboard.getPrimaryClip()); 2444 return true; 2445 } 2446 return super.onTextContextMenuItem(id); 2447 } 2448 2449 private void handlePasteAndReplace() { 2450 ArrayList<DrawableRecipientChip> created = handlePaste(); 2451 if (created != null && created.size() > 0) { 2452 // Perform reverse lookups on the pasted contacts. 2453 IndividualReplacementTask replace = new IndividualReplacementTask(); 2454 replace.execute(created); 2455 } 2456 } 2457 2458 // Visible for testing. 2459 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2460 String text = getText().toString(); 2461 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2462 String lastAddress = text.substring(originalTokenStart); 2463 int tokenStart = originalTokenStart; 2464 int prevTokenStart = 0; 2465 DrawableRecipientChip findChip = null; 2466 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2467 if (tokenStart != 0) { 2468 // There are things before this! 2469 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2470 prevTokenStart = tokenStart; 2471 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2472 findChip = findChip(tokenStart); 2473 if (tokenStart == originalTokenStart && findChip == null) { 2474 break; 2475 } 2476 } 2477 if (tokenStart != originalTokenStart) { 2478 if (findChip != null) { 2479 tokenStart = prevTokenStart; 2480 } 2481 int tokenEnd; 2482 DrawableRecipientChip createdChip; 2483 while (tokenStart < originalTokenStart) { 2484 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2485 tokenStart)); 2486 commitChip(tokenStart, tokenEnd, getText()); 2487 createdChip = findChip(tokenStart); 2488 if (createdChip == null) { 2489 break; 2490 } 2491 // +1 for the space at the end. 2492 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2493 created.add(createdChip); 2494 } 2495 } 2496 } 2497 // Take a look at the last token. If the token has been completed with a 2498 // commit character, create a chip. 2499 if (isCompletedToken(lastAddress)) { 2500 Editable editable = getText(); 2501 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2502 commitChip(tokenStart, editable.length(), editable); 2503 created.add(findChip(tokenStart)); 2504 } 2505 return created; 2506 } 2507 2508 // Visible for testing. 2509 /* package */int movePastTerminators(int tokenEnd) { 2510 if (tokenEnd >= length()) { 2511 return tokenEnd; 2512 } 2513 char atEnd = getText().toString().charAt(tokenEnd); 2514 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2515 tokenEnd++; 2516 } 2517 // This token had not only an end token character, but also a space 2518 // separating it from the next token. 2519 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2520 tokenEnd++; 2521 } 2522 return tokenEnd; 2523 } 2524 2525 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2526 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2527 try { 2528 if (mNoChips) { 2529 return null; 2530 } 2531 return constructChipSpan(entry, false, 2532 false /*leave space for contact icon */); 2533 } catch (NullPointerException e) { 2534 Log.e(TAG, e.getMessage(), e); 2535 return null; 2536 } 2537 } 2538 2539 @Override 2540 protected void onPreExecute() { 2541 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2542 // replaced 2543 final List<DrawableRecipientChip> originalRecipients = 2544 new ArrayList<DrawableRecipientChip>(); 2545 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2546 for (int i = 0; i < existingChips.length; i++) { 2547 originalRecipients.add(existingChips[i]); 2548 } 2549 if (mRemovedSpans != null) { 2550 originalRecipients.addAll(mRemovedSpans); 2551 } 2552 2553 final List<DrawableRecipientChip> replacements = 2554 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2555 2556 for (final DrawableRecipientChip chip : originalRecipients) { 2557 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2558 && getSpannable().getSpanStart(chip) != -1) { 2559 replacements.add(createFreeChip(chip.getEntry())); 2560 } else { 2561 replacements.add(null); 2562 } 2563 } 2564 2565 processReplacements(originalRecipients, replacements); 2566 } 2567 2568 @Override 2569 protected Void doInBackground(Void... params) { 2570 if (mIndividualReplacements != null) { 2571 mIndividualReplacements.cancel(true); 2572 } 2573 // For each chip in the list, look up the matching contact. 2574 // If there is a match, replace that chip with the matching 2575 // chip. 2576 final ArrayList<DrawableRecipientChip> recipients = 2577 new ArrayList<DrawableRecipientChip>(); 2578 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2579 for (int i = 0; i < existingChips.length; i++) { 2580 recipients.add(existingChips[i]); 2581 } 2582 if (mRemovedSpans != null) { 2583 recipients.addAll(mRemovedSpans); 2584 } 2585 ArrayList<String> addresses = new ArrayList<String>(); 2586 DrawableRecipientChip chip; 2587 for (int i = 0; i < recipients.size(); i++) { 2588 chip = recipients.get(i); 2589 if (chip != null) { 2590 addresses.add(createAddressText(chip.getEntry())); 2591 } 2592 } 2593 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2594 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2595 adapter.getAccount(), new RecipientMatchCallback() { 2596 @Override 2597 public void matchesFound(Map<String, RecipientEntry> entries) { 2598 final ArrayList<DrawableRecipientChip> replacements = 2599 new ArrayList<DrawableRecipientChip>(); 2600 for (final DrawableRecipientChip temp : recipients) { 2601 RecipientEntry entry = null; 2602 if (temp != null && RecipientEntry.isCreatedRecipient( 2603 temp.getEntry().getContactId()) 2604 && getSpannable().getSpanStart(temp) != -1) { 2605 // Replace this. 2606 entry = createValidatedEntry( 2607 entries.get(tokenizeAddress(temp.getEntry() 2608 .getDestination()))); 2609 } 2610 if (entry != null) { 2611 replacements.add(createFreeChip(entry)); 2612 } else { 2613 replacements.add(null); 2614 } 2615 } 2616 processReplacements(recipients, replacements); 2617 } 2618 2619 @Override 2620 public void matchesNotFound(final Set<String> unfoundAddresses) { 2621 final List<DrawableRecipientChip> replacements = 2622 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2623 2624 for (final DrawableRecipientChip temp : recipients) { 2625 if (temp != null && RecipientEntry.isCreatedRecipient( 2626 temp.getEntry().getContactId()) 2627 && getSpannable().getSpanStart(temp) != -1) { 2628 if (unfoundAddresses.contains( 2629 temp.getEntry().getDestination())) { 2630 replacements.add(createFreeChip(temp.getEntry())); 2631 } else { 2632 replacements.add(null); 2633 } 2634 } else { 2635 replacements.add(null); 2636 } 2637 } 2638 2639 processReplacements(recipients, replacements); 2640 } 2641 }); 2642 return null; 2643 } 2644 2645 private void processReplacements(final List<DrawableRecipientChip> recipients, 2646 final List<DrawableRecipientChip> replacements) { 2647 if (replacements != null && replacements.size() > 0) { 2648 final Runnable runnable = new Runnable() { 2649 @Override 2650 public void run() { 2651 final Editable text = new SpannableStringBuilder(getText()); 2652 int i = 0; 2653 for (final DrawableRecipientChip chip : recipients) { 2654 final DrawableRecipientChip replacement = replacements.get(i); 2655 if (replacement != null) { 2656 final RecipientEntry oldEntry = chip.getEntry(); 2657 final RecipientEntry newEntry = replacement.getEntry(); 2658 final boolean isBetter = 2659 RecipientAlternatesAdapter.getBetterRecipient( 2660 oldEntry, newEntry) == newEntry; 2661 2662 if (isBetter) { 2663 // Find the location of the chip in the text currently shown. 2664 final int start = text.getSpanStart(chip); 2665 if (start != -1) { 2666 // Replacing the entirety of what the chip represented, 2667 // including the extra space dividing it from other chips. 2668 final int end = 2669 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2670 text.removeSpan(chip); 2671 // Make sure we always have just 1 space at the end to 2672 // separate this chip from the next chip. 2673 final SpannableString displayText = 2674 new SpannableString(createAddressText( 2675 replacement.getEntry()).trim() + " "); 2676 displayText.setSpan(replacement, 0, 2677 displayText.length() - 1, 2678 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2679 // Replace the old text we found with with the new display 2680 // text, which now may also contain the display name of the 2681 // recipient. 2682 text.replace(start, end, displayText); 2683 replacement.setOriginalText(displayText.toString()); 2684 replacements.set(i, null); 2685 2686 recipients.set(i, replacement); 2687 } 2688 } 2689 } 2690 i++; 2691 } 2692 setText(text); 2693 } 2694 }; 2695 2696 if (Looper.myLooper() == Looper.getMainLooper()) { 2697 runnable.run(); 2698 } else { 2699 mHandler.post(runnable); 2700 } 2701 } 2702 } 2703 } 2704 2705 private class IndividualReplacementTask 2706 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2707 @Override 2708 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2709 // For each chip in the list, look up the matching contact. 2710 // If there is a match, replace that chip with the matching 2711 // chip. 2712 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2713 ArrayList<String> addresses = new ArrayList<String>(); 2714 DrawableRecipientChip chip; 2715 for (int i = 0; i < originalRecipients.size(); i++) { 2716 chip = originalRecipients.get(i); 2717 if (chip != null) { 2718 addresses.add(createAddressText(chip.getEntry())); 2719 } 2720 } 2721 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2722 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2723 adapter.getAccount(), 2724 new RecipientMatchCallback() { 2725 2726 @Override 2727 public void matchesFound(Map<String, RecipientEntry> entries) { 2728 for (final DrawableRecipientChip temp : originalRecipients) { 2729 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2730 .getContactId()) 2731 && getSpannable().getSpanStart(temp) != -1) { 2732 // Replace this. 2733 final RecipientEntry entry = createValidatedEntry(entries 2734 .get(tokenizeAddress(temp.getEntry().getDestination()) 2735 .toLowerCase())); 2736 if (entry != null) { 2737 mHandler.post(new Runnable() { 2738 @Override 2739 public void run() { 2740 replaceChip(temp, entry); 2741 } 2742 }); 2743 } 2744 } 2745 } 2746 } 2747 2748 @Override 2749 public void matchesNotFound(final Set<String> unfoundAddresses) { 2750 // No action required 2751 } 2752 }); 2753 return null; 2754 } 2755 } 2756 2757 2758 /** 2759 * MoreImageSpan is a simple class created for tracking the existence of a 2760 * more chip across activity restarts/ 2761 */ 2762 private class MoreImageSpan extends ImageSpan { 2763 public MoreImageSpan(Drawable b) { 2764 super(b); 2765 } 2766 } 2767 2768 @Override 2769 public boolean onDown(MotionEvent e) { 2770 return false; 2771 } 2772 2773 @Override 2774 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2775 // Do nothing. 2776 return false; 2777 } 2778 2779 @Override 2780 public void onLongPress(MotionEvent event) { 2781 if (mSelectedChip != null) { 2782 return; 2783 } 2784 float x = event.getX(); 2785 float y = event.getY(); 2786 final int offset = putOffsetInRange(x, y); 2787 DrawableRecipientChip currentChip = findChip(offset); 2788 if (currentChip != null) { 2789 if (mDragEnabled) { 2790 // Start drag-and-drop for the selected chip. 2791 startDrag(currentChip); 2792 } else { 2793 // Copy the selected chip email address. 2794 showCopyDialog(currentChip.getEntry().getDestination()); 2795 } 2796 } 2797 } 2798 2799 // The following methods are used to provide some functionality on older versions of Android 2800 // These methods were copied out of JB MR2's TextView 2801 ///////////////////////////////////////////////// 2802 private int supportGetOffsetForPosition(float x, float y) { 2803 if (getLayout() == null) return -1; 2804 final int line = supportGetLineAtCoordinate(y); 2805 final int offset = supportGetOffsetAtCoordinate(line, x); 2806 return offset; 2807 } 2808 2809 private float supportConvertToLocalHorizontalCoordinate(float x) { 2810 x -= getTotalPaddingLeft(); 2811 // Clamp the position to inside of the view. 2812 x = Math.max(0.0f, x); 2813 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2814 x += getScrollX(); 2815 return x; 2816 } 2817 2818 private int supportGetLineAtCoordinate(float y) { 2819 y -= getTotalPaddingLeft(); 2820 // Clamp the position to inside of the view. 2821 y = Math.max(0.0f, y); 2822 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2823 y += getScrollY(); 2824 return getLayout().getLineForVertical((int) y); 2825 } 2826 2827 private int supportGetOffsetAtCoordinate(int line, float x) { 2828 x = supportConvertToLocalHorizontalCoordinate(x); 2829 return getLayout().getOffsetForHorizontal(line, x); 2830 } 2831 ///////////////////////////////////////////////// 2832 2833 /** 2834 * Enables drag-and-drop for chips. 2835 */ 2836 public void enableDrag() { 2837 mDragEnabled = true; 2838 } 2839 2840 /** 2841 * Starts drag-and-drop for the selected chip. 2842 */ 2843 private void startDrag(DrawableRecipientChip currentChip) { 2844 String address = currentChip.getEntry().getDestination(); 2845 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2846 2847 // Start drag mode. 2848 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2849 2850 // Remove the current chip, so drag-and-drop will result in a move. 2851 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2852 removeChip(currentChip); 2853 } 2854 2855 /** 2856 * Handles drag event. 2857 */ 2858 @Override 2859 public boolean onDragEvent(DragEvent event) { 2860 switch (event.getAction()) { 2861 case DragEvent.ACTION_DRAG_STARTED: 2862 // Only handle plain text drag and drop. 2863 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2864 case DragEvent.ACTION_DRAG_ENTERED: 2865 requestFocus(); 2866 return true; 2867 case DragEvent.ACTION_DROP: 2868 handlePasteClip(event.getClipData()); 2869 return true; 2870 } 2871 return false; 2872 } 2873 2874 /** 2875 * Drag shadow for a {@link RecipientChip}. 2876 */ 2877 private final class RecipientChipShadow extends DragShadowBuilder { 2878 private final DrawableRecipientChip mChip; 2879 2880 public RecipientChipShadow(DrawableRecipientChip chip) { 2881 mChip = chip; 2882 } 2883 2884 @Override 2885 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2886 Rect rect = mChip.getBounds(); 2887 shadowSize.set(rect.width(), rect.height()); 2888 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2889 } 2890 2891 @Override 2892 public void onDrawShadow(Canvas canvas) { 2893 mChip.draw(canvas); 2894 } 2895 } 2896 2897 private void showCopyDialog(final String address) { 2898 if (!mAttachedToWindow) { 2899 return; 2900 } 2901 mCopyAddress = address; 2902 mCopyDialog.setTitle(address); 2903 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2904 mCopyDialog.setCancelable(true); 2905 mCopyDialog.setCanceledOnTouchOutside(true); 2906 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2907 button.setOnClickListener(this); 2908 int btnTitleId; 2909 if (isPhoneQuery()) { 2910 btnTitleId = R.string.copy_number; 2911 } else { 2912 btnTitleId = R.string.copy_email; 2913 } 2914 String buttonTitle = getContext().getResources().getString(btnTitleId); 2915 button.setText(buttonTitle); 2916 mCopyDialog.setOnDismissListener(this); 2917 mCopyDialog.show(); 2918 } 2919 2920 @Override 2921 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2922 // Do nothing. 2923 return false; 2924 } 2925 2926 @Override 2927 public void onShowPress(MotionEvent e) { 2928 // Do nothing. 2929 } 2930 2931 @Override 2932 public boolean onSingleTapUp(MotionEvent e) { 2933 // Do nothing. 2934 return false; 2935 } 2936 2937 @Override 2938 public void onDismiss(DialogInterface dialog) { 2939 mCopyAddress = null; 2940 } 2941 2942 @Override 2943 public void onClick(View v) { 2944 // Copy this to the clipboard. 2945 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2946 Context.CLIPBOARD_SERVICE); 2947 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2948 mCopyDialog.dismiss(); 2949 } 2950 2951 protected boolean isPhoneQuery() { 2952 return getAdapter() != null 2953 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2954 } 2955 2956 @Override 2957 public BaseRecipientAdapter getAdapter() { 2958 return (BaseRecipientAdapter) super.getAdapter(); 2959 } 2960} 2961