RecipientEditTextView.java revision f11483ad7d1e7abbce9d59ecf01b4b904a777b05
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 final 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 /** 164 * Enumerator for image span alignment. See attr.xml for more details. 165 * 0 for bottom, 1 for baseline. 166 */ 167 private int mImageSpanAlignment; 168 169 private static final int IMAGE_SPAN_ALIGNMENT_BOTTOM = 0; 170 171 private static final int IMAGE_SPAN_ALIGNMENT_BASELINE = 1; 172 173 174 private boolean mDisableDelete; 175 176 private Tokenizer mTokenizer; 177 178 private Validator mValidator; 179 180 private DrawableRecipientChip mSelectedChip; 181 182 private Bitmap mDefaultContactPhoto; 183 184 private ImageSpan mMoreChip; 185 186 private TextView mMoreItem; 187 188 // VisibleForTesting 189 final ArrayList<String> mPendingChips = new ArrayList<String>(); 190 191 private Handler mHandler; 192 193 private int mPendingChipsCount = 0; 194 195 private boolean mNoChips = false; 196 197 private ListPopupWindow mAlternatesPopup; 198 199 private ListPopupWindow mAddressPopup; 200 201 // VisibleForTesting 202 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 203 204 private ArrayList<DrawableRecipientChip> mRemovedSpans; 205 206 private boolean mShouldShrink = true; 207 208 // Chip copy fields. 209 private GestureDetector mGestureDetector; 210 211 private Dialog mCopyDialog; 212 213 private String mCopyAddress; 214 215 /** 216 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 217 * selected chip. 218 */ 219 private OnItemClickListener mAlternatesListener; 220 221 private int mCheckedItem; 222 223 private TextWatcher mTextWatcher; 224 225 // Obtain the enclosing scroll view, if it exists, so that the view can be 226 // scrolled to show the last line of chips content. 227 private ScrollView mScrollView; 228 229 private boolean mTriedGettingScrollView; 230 231 private boolean mDragEnabled = false; 232 233 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 234 // parens, so numbers such as "1 (425) 222-2342" match. 235 private static final Pattern PHONE_PATTERN 236 = Pattern.compile( // sdd = space, dot, or dash 237 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 238 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 239 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 240 241 private final Runnable mAddTextWatcher = new Runnable() { 242 @Override 243 public void run() { 244 if (mTextWatcher == null) { 245 mTextWatcher = new RecipientTextWatcher(); 246 addTextChangedListener(mTextWatcher); 247 } 248 } 249 }; 250 251 private IndividualReplacementTask mIndividualReplacements; 252 253 private Runnable mHandlePendingChips = new Runnable() { 254 255 @Override 256 public void run() { 257 handlePendingChips(); 258 } 259 260 }; 261 262 private Runnable mDelayedShrink = new Runnable() { 263 264 @Override 265 public void run() { 266 shrink(); 267 } 268 269 }; 270 271 private int mMaxLines; 272 273 private static int sExcessTopPadding = -1; 274 275 private int mActionBarHeight; 276 277 private boolean mAttachedToWindow; 278 279 private DropdownChipLayouter mDropdownChipLayouter; 280 281 public RecipientEditTextView(Context context, AttributeSet attrs) { 282 super(context, attrs); 283 setChipDimensions(context, attrs); 284 if (sSelectedTextColor == -1) { 285 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 286 } 287 mAlternatesPopup = new ListPopupWindow(context); 288 mAddressPopup = new ListPopupWindow(context); 289 mCopyDialog = new Dialog(context); 290 mAlternatesListener = new OnItemClickListener() { 291 @Override 292 public void onItemClick(AdapterView<?> adapterView,View view, int position, 293 long rowId) { 294 mAlternatesPopup.setOnItemClickListener(null); 295 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 296 .getRecipientEntry(position)); 297 Message delayed = Message.obtain(mHandler, DISMISS); 298 delayed.obj = mAlternatesPopup; 299 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 300 clearComposingText(); 301 } 302 }; 303 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 304 setOnItemClickListener(this); 305 setCustomSelectionActionModeCallback(this); 306 mHandler = new Handler() { 307 @Override 308 public void handleMessage(Message msg) { 309 if (msg.what == DISMISS) { 310 ((ListPopupWindow) msg.obj).dismiss(); 311 return; 312 } 313 super.handleMessage(msg); 314 } 315 }; 316 mTextWatcher = new RecipientTextWatcher(); 317 addTextChangedListener(mTextWatcher); 318 mGestureDetector = new GestureDetector(context, this); 319 setOnEditorActionListener(this); 320 321 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 322 } 323 324 protected void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 325 mDropdownChipLayouter = dropdownChipLayouter; 326 } 327 328 @Override 329 protected void onDetachedFromWindow() { 330 super.onDetachedFromWindow(); 331 mAttachedToWindow = false; 332 } 333 334 @Override 335 protected void onAttachedToWindow() { 336 super.onAttachedToWindow(); 337 mAttachedToWindow = true; 338 } 339 340 @Override 341 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 342 if (action == EditorInfo.IME_ACTION_DONE) { 343 if (commitDefault()) { 344 return true; 345 } 346 if (mSelectedChip != null) { 347 clearSelectedChip(); 348 return true; 349 } else if (focusNext()) { 350 return true; 351 } 352 } 353 return false; 354 } 355 356 @Override 357 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 358 InputConnection connection = super.onCreateInputConnection(outAttrs); 359 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 360 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 361 // clear the existing action 362 outAttrs.imeOptions ^= imeActions; 363 // set the DONE action 364 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 365 } 366 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 367 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 368 } 369 370 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 371 outAttrs.actionLabel = getContext().getString(R.string.done); 372 return connection; 373 } 374 375 /*package*/ DrawableRecipientChip getLastChip() { 376 DrawableRecipientChip last = null; 377 DrawableRecipientChip[] chips = getSortedRecipients(); 378 if (chips != null && chips.length > 0) { 379 last = chips[chips.length - 1]; 380 } 381 return last; 382 } 383 384 @Override 385 public void onSelectionChanged(int start, int end) { 386 // When selection changes, see if it is inside the chips area. 387 // If so, move the cursor back after the chips again. 388 DrawableRecipientChip last = getLastChip(); 389 if (last != null && start < getSpannable().getSpanEnd(last)) { 390 // Grab the last chip and set the cursor to after it. 391 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 392 } 393 super.onSelectionChanged(start, end); 394 } 395 396 @Override 397 public void onRestoreInstanceState(Parcelable state) { 398 if (!TextUtils.isEmpty(getText())) { 399 super.onRestoreInstanceState(null); 400 } else { 401 super.onRestoreInstanceState(state); 402 } 403 } 404 405 @Override 406 public Parcelable onSaveInstanceState() { 407 // If the user changes orientation while they are editing, just roll back the selection. 408 clearSelectedChip(); 409 return super.onSaveInstanceState(); 410 } 411 412 /** 413 * Convenience method: Append the specified text slice to the TextView's 414 * display buffer, upgrading it to BufferType.EDITABLE if it was 415 * not already editable. Commas are excluded as they are added automatically 416 * by the view. 417 */ 418 @Override 419 public void append(CharSequence text, int start, int end) { 420 // We don't care about watching text changes while appending. 421 if (mTextWatcher != null) { 422 removeTextChangedListener(mTextWatcher); 423 } 424 super.append(text, start, end); 425 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 426 String displayString = text.toString(); 427 428 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 429 // We have no separator, so we should add it 430 super.append(SEPARATOR, 0, SEPARATOR.length()); 431 displayString += SEPARATOR; 432 } 433 434 if (!TextUtils.isEmpty(displayString) 435 && TextUtils.getTrimmedLength(displayString) > 0) { 436 mPendingChipsCount++; 437 mPendingChips.add(displayString); 438 } 439 } 440 // Put a message on the queue to make sure we ALWAYS handle pending 441 // chips. 442 if (mPendingChipsCount > 0) { 443 postHandlePendingChips(); 444 } 445 mHandler.post(mAddTextWatcher); 446 } 447 448 @Override 449 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 450 super.onFocusChanged(hasFocus, direction, previous); 451 if (!hasFocus) { 452 shrink(); 453 } else { 454 expand(); 455 } 456 } 457 458 private int getExcessTopPadding() { 459 if (sExcessTopPadding == -1) { 460 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 461 } 462 return sExcessTopPadding; 463 } 464 465 @Override 466 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 467 super.setAdapter(adapter); 468 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 469 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 470 @Override 471 public void onChanged(List<RecipientEntry> entries) { 472 // Scroll the chips field to the top of the screen so 473 // that the user can see as many results as possible. 474 if (entries != null && entries.size() > 0) { 475 scrollBottomIntoView(); 476 } 477 } 478 }); 479 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 480 } 481 482 protected void scrollBottomIntoView() { 483 if (mScrollView != null && mShouldShrink) { 484 int[] location = new int[2]; 485 getLocationOnScreen(location); 486 int height = getHeight(); 487 int currentPos = location[1] + height; 488 // Desired position shows at least 1 line of chips below the action 489 // bar. We add excess padding to make sure this is always below other 490 // content. 491 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 492 if (currentPos > desiredPos) { 493 mScrollView.scrollBy(0, currentPos - desiredPos); 494 } 495 } 496 } 497 498 protected ScrollView getScrollView() { 499 return mScrollView; 500 } 501 502 @Override 503 public void performValidation() { 504 // Do nothing. Chips handles its own validation. 505 } 506 507 private void shrink() { 508 if (mTokenizer == null) { 509 return; 510 } 511 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 512 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 513 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 514 clearSelectedChip(); 515 } else { 516 if (getWidth() <= 0) { 517 // We don't have the width yet which means the view hasn't been drawn yet 518 // and there is no reason to attempt to commit chips yet. 519 // This focus lost must be the result of an orientation change 520 // or an initial rendering. 521 // Re-post the shrink for later. 522 mHandler.removeCallbacks(mDelayedShrink); 523 mHandler.post(mDelayedShrink); 524 return; 525 } 526 // Reset any pending chips as they would have been handled 527 // when the field lost focus. 528 if (mPendingChipsCount > 0) { 529 postHandlePendingChips(); 530 } else { 531 Editable editable = getText(); 532 int end = getSelectionEnd(); 533 int start = mTokenizer.findTokenStart(editable, end); 534 DrawableRecipientChip[] chips = 535 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 536 if ((chips == null || chips.length == 0)) { 537 Editable text = getText(); 538 int whatEnd = mTokenizer.findTokenEnd(text, start); 539 // This token was already tokenized, so skip past the ending token. 540 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 541 whatEnd = movePastTerminators(whatEnd); 542 } 543 // In the middle of chip; treat this as an edit 544 // and commit the whole token. 545 int selEnd = getSelectionEnd(); 546 if (whatEnd != selEnd) { 547 handleEdit(start, whatEnd); 548 } else { 549 commitChip(start, end, editable); 550 } 551 } 552 } 553 mHandler.post(mAddTextWatcher); 554 } 555 createMoreChip(); 556 } 557 558 private void expand() { 559 if (mShouldShrink) { 560 setMaxLines(Integer.MAX_VALUE); 561 } 562 removeMoreChip(); 563 setCursorVisible(true); 564 Editable text = getText(); 565 setSelection(text != null && text.length() > 0 ? text.length() : 0); 566 // If there are any temporary chips, try replacing them now that the user 567 // has expanded the field. 568 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 569 new RecipientReplacementTask().execute(); 570 mTemporaryRecipients = null; 571 } 572 } 573 574 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 575 paint.setTextSize(mChipFontSize); 576 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 577 Log.d(TAG, "Max width is negative: " + maxWidth); 578 } 579 return TextUtils.ellipsize(text, paint, maxWidth, 580 TextUtils.TruncateAt.END); 581 } 582 583 /** 584 * Creates a bitmap of the given contact on a selected chip. 585 * 586 * @param contact The recipient entry to pull data from. 587 * @param paint The paint to use to draw the bitmap. 588 */ 589 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 590 paint.setColor(sSelectedTextColor); 591 Bitmap photo; 592 if (mDisableDelete) { 593 // Show the avatar instead if we don't want to delete 594 photo = getAvatarIcon(contact); 595 } else { 596 photo = ((BitmapDrawable) mChipDelete).getBitmap(); 597 } 598 return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); 599 } 600 601 /** 602 * Creates a bitmap of the given contact on a selected chip. 603 * 604 * @param contact The recipient entry to pull data from. 605 * @param paint The paint to use to draw the bitmap. 606 */ 607 // TODO: Is leaveBlankIconSpacer obsolete now that we have left and right attributes? 608 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 609 boolean leaveBlankIconSpacer) { 610 Drawable background = getChipBackground(contact); 611 Bitmap photo = getAvatarIcon(contact); 612 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 613 return createChipBitmap(contact, paint, photo, background); 614 } 615 616 private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint, Bitmap icon, 617 Drawable background) { 618 if (background == null) { 619 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 620 return Bitmap.createBitmap( 621 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 622 } 623 624 Rect backgroundPadding = new Rect(); 625 background.getPadding(backgroundPadding); 626 627 // Ellipsize the text so that it takes AT MOST the entire width of the 628 // autocomplete text entry area. Make sure to leave space for padding 629 // on the sides. 630 int height = (int) mChipHeight; 631 // Since the icon is a square, it's width is equal to the maximum height it can be inside 632 // the chip. 633 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 634 float[] widths = new float[1]; 635 paint.getTextWidths(" ", widths); 636 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 637 calculateAvailableWidth() - iconWidth - widths[0] - backgroundPadding.left 638 - backgroundPadding.right);; 639 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 640 641 // Make sure there is a minimum chip width so the user can ALWAYS 642 // tap a chip without difficulty. 643 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 644 + backgroundPadding.left + backgroundPadding.right); 645 646 // Create the background of the chip. 647 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 648 Canvas canvas = new Canvas(tmpBitmap); 649 650 // Draw the background drawable 651 background.setBounds(0, 0, width, height); 652 background.draw(canvas); 653 // Draw the text vertically aligned 654 int textX = shouldPositionAvatarOnRight() ? 655 mChipPadding + backgroundPadding.left : 656 width - backgroundPadding.right - mChipPadding - textWidth; 657 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 658 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 659 if (icon != null) { 660 // Draw the icon 661 int iconX = shouldPositionAvatarOnRight() ? 662 width - backgroundPadding.right - iconWidth : 663 backgroundPadding.left; 664 RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 665 RectF dst = new RectF(iconX, 666 0 + backgroundPadding.top, 667 iconX + iconWidth, 668 height - backgroundPadding.bottom); 669 drawIconOnCanvas(icon, canvas, paint, src, dst); 670 } 671 return tmpBitmap; 672 } 673 674 /** 675 * Returns true if the avatar should be positioned at the right edge of the chip. 676 * Takes into account both the set avatar position (start or end) as well as whether 677 * the layout direction is LTR or RTL. 678 */ 679 private boolean shouldPositionAvatarOnRight() { 680 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 681 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 682 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 683 // If in Rtl mode, the position should be flipped. 684 return isRtl ? !assignedPosition : assignedPosition; 685 } 686 687 /** 688 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 689 * draw an icon for this recipient. 690 */ 691 private Bitmap getAvatarIcon(RecipientEntry contact) { 692 // Don't draw photos for recipients that have been typed in OR generated on the fly. 693 long contactId = contact.getContactId(); 694 boolean drawPhotos = isPhoneQuery() ? 695 contactId != RecipientEntry.INVALID_CONTACT 696 : (contactId != RecipientEntry.INVALID_CONTACT 697 && (contactId != RecipientEntry.GENERATED_CONTACT && 698 !TextUtils.isEmpty(contact.getDisplayName()))); 699 700 if (drawPhotos) { 701 byte[] photoBytes = contact.getPhotoBytes(); 702 // There may not be a photo yet if anything but the first contact address 703 // was selected. 704 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 705 // TODO: cache this in the recipient entry? 706 getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); 707 photoBytes = contact.getPhotoBytes(); 708 } 709 if (photoBytes != null) { 710 return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 711 } else { 712 // TODO: can the scaled down default photo be cached? 713 return mDefaultContactPhoto; 714 } 715 } 716 717 return null; 718 } 719 720 /** 721 * Get the background drawable for a RecipientChip. 722 */ 723 // Visible for testing. 724 /* package */Drawable getChipBackground(RecipientEntry contact) { 725 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 726 } 727 728 /** 729 * Given a height, returns a Y offset that will draw the text in the middle of the height. 730 */ 731 protected float getTextYOffset(String text, TextPaint paint, int height) { 732 Rect bounds = new Rect(); 733 paint.getTextBounds(text, 0, text.length(), bounds); 734 int textHeight = bounds.bottom - bounds.top ; 735 return height - ((height - textHeight) / 2) - (int)paint.descent(); 736 } 737 738 /** 739 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 740 * rectangle of the canvas. 741 */ 742 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 743 Matrix matrix = new Matrix(); 744 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 745 canvas.drawBitmap(icon, matrix, paint); 746 } 747 748 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 749 boolean leaveIconSpace) throws NullPointerException { 750 if (mChipBackground == null) { 751 throw new NullPointerException( 752 "Unable to render any chips as setChipDimensions was not called."); 753 } 754 755 TextPaint paint = getPaint(); 756 float defaultSize = paint.getTextSize(); 757 int defaultColor = paint.getColor(); 758 759 Bitmap tmpBitmap; 760 if (pressed) { 761 tmpBitmap = createSelectedChip(contact, paint); 762 763 } else { 764 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 765 } 766 767 // Pass the full text, un-ellipsized, to the chip. 768 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 769 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 770 DrawableRecipientChip recipientChip = 771 new VisibleRecipientChip(result, contact, getImageSpanAlignment()); 772 // Return text to the original size. 773 paint.setTextSize(defaultSize); 774 paint.setColor(defaultColor); 775 return recipientChip; 776 } 777 778 private int getImageSpanAlignment() { 779 switch (mImageSpanAlignment) { 780 case IMAGE_SPAN_ALIGNMENT_BASELINE: 781 return ImageSpan.ALIGN_BASELINE; 782 case IMAGE_SPAN_ALIGNMENT_BOTTOM: 783 return ImageSpan.ALIGN_BOTTOM; 784 default: 785 return ImageSpan.ALIGN_BOTTOM; 786 } 787 } 788 789 /** 790 * Calculate the bottom of the line the chip will be located on using: 791 * 1) which line the chip appears on 792 * 2) the height of a chip 793 * 3) padding built into the edit text view 794 */ 795 private int calculateOffsetFromBottom(int line) { 796 // Line offsets start at zero. 797 int actualLine = getLineCount() - (line + 1); 798 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 799 + getDropDownVerticalOffset(); 800 } 801 802 /** 803 * Get the max amount of space a chip can take up. The formula takes into 804 * account the width of the EditTextView, any view padding, and padding 805 * that will be added to the chip. 806 */ 807 private float calculateAvailableWidth() { 808 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 809 } 810 811 812 private void setChipDimensions(Context context, AttributeSet attrs) { 813 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 814 0); 815 Resources r = getContext().getResources(); 816 817 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 818 if (mChipBackground == null) { 819 mChipBackground = r.getDrawable(R.drawable.chip_background); 820 } 821 mChipBackgroundPressed = a 822 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 823 if (mChipBackgroundPressed == null) { 824 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 825 } 826 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 827 if (mChipDelete == null) { 828 mChipDelete = r.getDrawable(R.drawable.chip_delete); 829 } 830 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 831 if (mChipPadding == -1) { 832 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 833 } 834 835 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 836 837 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 838 839 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 840 if (mChipHeight == -1) { 841 mChipHeight = r.getDimension(R.dimen.chip_height); 842 } 843 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 844 if (mChipFontSize == -1) { 845 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 846 } 847 mInvalidChipBackground = a 848 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 849 if (mInvalidChipBackground == null) { 850 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 851 } 852 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 853 mImageSpanAlignment = a.getInt(R.styleable.RecipientEditTextView_imageSpanAlignment, 0); 854 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 855 856 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 857 mMaxLines = r.getInteger(R.integer.chips_max_lines); 858 TypedValue tv = new TypedValue(); 859 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 860 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 861 .getDisplayMetrics()); 862 } 863 864 a.recycle(); 865 } 866 867 // Visible for testing. 868 /* package */ void setMoreItem(TextView moreItem) { 869 mMoreItem = moreItem; 870 } 871 872 873 // Visible for testing. 874 /* package */ void setChipBackground(Drawable chipBackground) { 875 mChipBackground = chipBackground; 876 } 877 878 // Visible for testing. 879 /* package */ void setChipHeight(int height) { 880 mChipHeight = height; 881 } 882 883 public float getChipHeight() { 884 return mChipHeight; 885 } 886 887 /** 888 * Set whether to shrink the recipients field such that at most 889 * one line of recipients chips are shown when the field loses 890 * focus. By default, the number of displayed recipients will be 891 * limited and a "more" chip will be shown when focus is lost. 892 * @param shrink 893 */ 894 public void setOnFocusListShrinkRecipients(boolean shrink) { 895 mShouldShrink = shrink; 896 } 897 898 @Override 899 public void onSizeChanged(int width, int height, int oldw, int oldh) { 900 super.onSizeChanged(width, height, oldw, oldh); 901 if (width != 0 && height != 0) { 902 if (mPendingChipsCount > 0) { 903 postHandlePendingChips(); 904 } else { 905 checkChipWidths(); 906 } 907 } 908 // Try to find the scroll view parent, if it exists. 909 if (mScrollView == null && !mTriedGettingScrollView) { 910 ViewParent parent = getParent(); 911 while (parent != null && !(parent instanceof ScrollView)) { 912 parent = parent.getParent(); 913 } 914 if (parent != null) { 915 mScrollView = (ScrollView) parent; 916 } 917 mTriedGettingScrollView = true; 918 } 919 } 920 921 private void postHandlePendingChips() { 922 mHandler.removeCallbacks(mHandlePendingChips); 923 mHandler.post(mHandlePendingChips); 924 } 925 926 private void checkChipWidths() { 927 // Check the widths of the associated chips. 928 DrawableRecipientChip[] chips = getSortedRecipients(); 929 if (chips != null) { 930 Rect bounds; 931 for (DrawableRecipientChip chip : chips) { 932 bounds = chip.getBounds(); 933 if (getWidth() > 0 && bounds.right - bounds.left > 934 getWidth() - getPaddingLeft() - getPaddingRight()) { 935 // Need to redraw that chip. 936 replaceChip(chip, chip.getEntry()); 937 } 938 } 939 } 940 } 941 942 // Visible for testing. 943 /*package*/ void handlePendingChips() { 944 if (getViewWidth() <= 0) { 945 // The widget has not been sized yet. 946 // This will be called as a result of onSizeChanged 947 // at a later point. 948 return; 949 } 950 if (mPendingChipsCount <= 0) { 951 return; 952 } 953 954 synchronized (mPendingChips) { 955 Editable editable = getText(); 956 // Tokenize! 957 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 958 for (int i = 0; i < mPendingChips.size(); i++) { 959 String current = mPendingChips.get(i); 960 int tokenStart = editable.toString().indexOf(current); 961 // Always leave a space at the end between tokens. 962 int tokenEnd = tokenStart + current.length() - 1; 963 if (tokenStart >= 0) { 964 // When we have a valid token, include it with the token 965 // to the left. 966 if (tokenEnd < editable.length() - 2 967 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 968 tokenEnd++; 969 } 970 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 971 || !mShouldShrink); 972 } 973 mPendingChipsCount--; 974 } 975 sanitizeEnd(); 976 } else { 977 mNoChips = true; 978 } 979 980 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 981 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 982 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 983 new RecipientReplacementTask().execute(); 984 mTemporaryRecipients = null; 985 } else { 986 // Create the "more" chip 987 mIndividualReplacements = new IndividualReplacementTask(); 988 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 989 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 990 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 991 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 992 mTemporaryRecipients.subList(CHIP_LIMIT, 993 mTemporaryRecipients.size())); 994 } else { 995 mTemporaryRecipients = null; 996 } 997 createMoreChip(); 998 } 999 } else { 1000 // There are too many recipients to look up, so just fall back 1001 // to showing addresses for all of them. 1002 mTemporaryRecipients = null; 1003 createMoreChip(); 1004 } 1005 mPendingChipsCount = 0; 1006 mPendingChips.clear(); 1007 } 1008 } 1009 1010 // Visible for testing. 1011 /*package*/ int getViewWidth() { 1012 return getWidth(); 1013 } 1014 1015 /** 1016 * Remove any characters after the last valid chip. 1017 */ 1018 // Visible for testing. 1019 /*package*/ void sanitizeEnd() { 1020 // Don't sanitize while we are waiting for pending chips to complete. 1021 if (mPendingChipsCount > 0) { 1022 return; 1023 } 1024 // Find the last chip; eliminate any commit characters after it. 1025 DrawableRecipientChip[] chips = getSortedRecipients(); 1026 Spannable spannable = getSpannable(); 1027 if (chips != null && chips.length > 0) { 1028 int end; 1029 mMoreChip = getMoreChip(); 1030 if (mMoreChip != null) { 1031 end = spannable.getSpanEnd(mMoreChip); 1032 } else { 1033 end = getSpannable().getSpanEnd(getLastChip()); 1034 } 1035 Editable editable = getText(); 1036 int length = editable.length(); 1037 if (length > end) { 1038 // See what characters occur after that and eliminate them. 1039 if (Log.isLoggable(TAG, Log.DEBUG)) { 1040 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1041 + editable); 1042 } 1043 editable.delete(end + 1, length); 1044 } 1045 } 1046 } 1047 1048 /** 1049 * Create a chip that represents just the email address of a recipient. At some later 1050 * point, this chip will be attached to a real contact entry, if one exists. 1051 */ 1052 // VisibleForTesting 1053 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1054 boolean visible) { 1055 if (alreadyHasChip(tokenStart, tokenEnd)) { 1056 // There is already a chip present at this location. 1057 // Don't recreate it. 1058 return; 1059 } 1060 String token = editable.toString().substring(tokenStart, tokenEnd); 1061 final String trimmedToken = token.trim(); 1062 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1063 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1064 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1065 } 1066 RecipientEntry entry = createTokenizedEntry(token); 1067 if (entry != null) { 1068 DrawableRecipientChip chip = null; 1069 try { 1070 if (!mNoChips) { 1071 /* 1072 * leave space for the contact icon if this is not just an 1073 * email address 1074 */ 1075 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 1076 || TextUtils.equals(entry.getDisplayName(), 1077 entry.getDestination()); 1078 chip = visible ? 1079 constructChipSpan(entry, false, leaveSpace) 1080 : new InvisibleRecipientChip(entry); 1081 } 1082 } catch (NullPointerException e) { 1083 Log.e(TAG, e.getMessage(), e); 1084 } 1085 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1086 // Add this chip to the list of entries "to replace" 1087 if (chip != null) { 1088 if (mTemporaryRecipients == null) { 1089 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1090 } 1091 chip.setOriginalText(token); 1092 mTemporaryRecipients.add(chip); 1093 } 1094 } 1095 } 1096 1097 private static boolean isPhoneNumber(String number) { 1098 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1099 // PhoneNumberUtil). One complication is that it requires the sender's region which 1100 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1101 if (TextUtils.isEmpty(number)) { 1102 return false; 1103 } 1104 1105 Matcher match = PHONE_PATTERN.matcher(number); 1106 return match.matches(); 1107 } 1108 1109 // VisibleForTesting 1110 RecipientEntry createTokenizedEntry(final String token) { 1111 if (TextUtils.isEmpty(token)) { 1112 return null; 1113 } 1114 if (isPhoneQuery() && isPhoneNumber(token)) { 1115 return RecipientEntry.constructFakePhoneEntry(token, true); 1116 } 1117 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1118 String display = null; 1119 boolean isValid = isValid(token); 1120 if (isValid && tokens != null && tokens.length > 0) { 1121 // If we can get a name from tokenizing, then generate an entry from 1122 // this. 1123 display = tokens[0].getName(); 1124 if (!TextUtils.isEmpty(display)) { 1125 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1126 isValid); 1127 } else { 1128 display = tokens[0].getAddress(); 1129 if (!TextUtils.isEmpty(display)) { 1130 return RecipientEntry.constructFakeEntry(display, isValid); 1131 } 1132 } 1133 } 1134 // Unable to validate the token or to create a valid token from it. 1135 // Just create a chip the user can edit. 1136 String validatedToken = null; 1137 if (mValidator != null && !isValid) { 1138 // Try fixing up the entry using the validator. 1139 validatedToken = mValidator.fixText(token).toString(); 1140 if (!TextUtils.isEmpty(validatedToken)) { 1141 if (validatedToken.contains(token)) { 1142 // protect against the case of a validator with a null 1143 // domain, 1144 // which doesn't add a domain to the token 1145 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1146 if (tokenized.length > 0) { 1147 validatedToken = tokenized[0].getAddress(); 1148 isValid = true; 1149 } 1150 } else { 1151 // We ran into a case where the token was invalid and 1152 // removed 1153 // by the validator. In this case, just use the original 1154 // token 1155 // and let the user sort out the error chip. 1156 validatedToken = null; 1157 isValid = false; 1158 } 1159 } 1160 } 1161 // Otherwise, fallback to just creating an editable email address chip. 1162 return RecipientEntry.constructFakeEntry( 1163 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1164 } 1165 1166 private boolean isValid(String text) { 1167 return mValidator == null ? true : mValidator.isValid(text); 1168 } 1169 1170 private static String tokenizeAddress(String destination) { 1171 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1172 if (tokens != null && tokens.length > 0) { 1173 return tokens[0].getAddress(); 1174 } 1175 return destination; 1176 } 1177 1178 @Override 1179 public void setTokenizer(Tokenizer tokenizer) { 1180 mTokenizer = tokenizer; 1181 super.setTokenizer(mTokenizer); 1182 } 1183 1184 @Override 1185 public void setValidator(Validator validator) { 1186 mValidator = validator; 1187 super.setValidator(validator); 1188 } 1189 1190 /** 1191 * We cannot use the default mechanism for replaceText. Instead, 1192 * we override onItemClickListener so we can get all the associated 1193 * contact information including display text, address, and id. 1194 */ 1195 @Override 1196 protected void replaceText(CharSequence text) { 1197 return; 1198 } 1199 1200 /** 1201 * Dismiss any selected chips when the back key is pressed. 1202 */ 1203 @Override 1204 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1205 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1206 clearSelectedChip(); 1207 return true; 1208 } 1209 return super.onKeyPreIme(keyCode, event); 1210 } 1211 1212 /** 1213 * Monitor key presses in this view to see if the user types 1214 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1215 * If the user has entered text that has contact matches and types 1216 * a commit key, create a chip from the topmost matching contact. 1217 * If the user has entered text that has no contact matches and types 1218 * a commit key, then create a chip from the text they have entered. 1219 */ 1220 @Override 1221 public boolean onKeyUp(int keyCode, KeyEvent event) { 1222 switch (keyCode) { 1223 case KeyEvent.KEYCODE_TAB: 1224 if (event.hasNoModifiers()) { 1225 if (mSelectedChip != null) { 1226 clearSelectedChip(); 1227 } else { 1228 commitDefault(); 1229 } 1230 } 1231 break; 1232 } 1233 return super.onKeyUp(keyCode, event); 1234 } 1235 1236 private boolean focusNext() { 1237 View next = focusSearch(View.FOCUS_DOWN); 1238 if (next != null) { 1239 next.requestFocus(); 1240 return true; 1241 } 1242 return false; 1243 } 1244 1245 /** 1246 * Create a chip from the default selection. If the popup is showing, the 1247 * default is the first item in the popup suggestions list. Otherwise, it is 1248 * whatever the user had typed in. End represents where the the tokenizer 1249 * should search for a token to turn into a chip. 1250 * @return If a chip was created from a real contact. 1251 */ 1252 private boolean commitDefault() { 1253 // If there is no tokenizer, don't try to commit. 1254 if (mTokenizer == null) { 1255 return false; 1256 } 1257 Editable editable = getText(); 1258 int end = getSelectionEnd(); 1259 int start = mTokenizer.findTokenStart(editable, end); 1260 1261 if (shouldCreateChip(start, end)) { 1262 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1263 // In the middle of chip; treat this as an edit 1264 // and commit the whole token. 1265 whatEnd = movePastTerminators(whatEnd); 1266 if (whatEnd != getSelectionEnd()) { 1267 handleEdit(start, whatEnd); 1268 return true; 1269 } 1270 return commitChip(start, end , editable); 1271 } 1272 return false; 1273 } 1274 1275 private void commitByCharacter() { 1276 // We can't possibly commit by character if we can't tokenize. 1277 if (mTokenizer == null) { 1278 return; 1279 } 1280 Editable editable = getText(); 1281 int end = getSelectionEnd(); 1282 int start = mTokenizer.findTokenStart(editable, end); 1283 if (shouldCreateChip(start, end)) { 1284 commitChip(start, end, editable); 1285 } 1286 setSelection(getText().length()); 1287 } 1288 1289 private boolean commitChip(int start, int end, Editable editable) { 1290 ListAdapter adapter = getAdapter(); 1291 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1292 && end == getSelectionEnd() && !isPhoneQuery()) { 1293 // let's choose the first entry if only the input text is NOT an email address 1294 // so we won't try to replace the user's potentially correct but new/unencountered 1295 // email input 1296 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1297 submitItemAtPosition(0); 1298 } 1299 dismissDropDown(); 1300 return true; 1301 } else { 1302 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1303 if (editable.length() > tokenEnd + 1) { 1304 char charAt = editable.charAt(tokenEnd + 1); 1305 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1306 tokenEnd++; 1307 } 1308 } 1309 String text = editable.toString().substring(start, tokenEnd).trim(); 1310 clearComposingText(); 1311 if (text != null && text.length() > 0 && !text.equals(" ")) { 1312 RecipientEntry entry = createTokenizedEntry(text); 1313 if (entry != null) { 1314 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1315 CharSequence chipText = createChip(entry, false); 1316 if (chipText != null && start > -1 && end > -1) { 1317 editable.replace(start, end, chipText); 1318 } 1319 } 1320 // Only dismiss the dropdown if it is related to the text we 1321 // just committed. 1322 // For paste, it may not be as there are possibly multiple 1323 // tokens being added. 1324 if (end == getSelectionEnd()) { 1325 dismissDropDown(); 1326 } 1327 sanitizeBetween(); 1328 return true; 1329 } 1330 } 1331 return false; 1332 } 1333 1334 // Visible for testing. 1335 /* package */ void sanitizeBetween() { 1336 // Don't sanitize while we are waiting for content to chipify. 1337 if (mPendingChipsCount > 0) { 1338 return; 1339 } 1340 // Find the last chip. 1341 DrawableRecipientChip[] recips = getSortedRecipients(); 1342 if (recips != null && recips.length > 0) { 1343 DrawableRecipientChip last = recips[recips.length - 1]; 1344 DrawableRecipientChip beforeLast = null; 1345 if (recips.length > 1) { 1346 beforeLast = recips[recips.length - 2]; 1347 } 1348 int startLooking = 0; 1349 int end = getSpannable().getSpanStart(last); 1350 if (beforeLast != null) { 1351 startLooking = getSpannable().getSpanEnd(beforeLast); 1352 Editable text = getText(); 1353 if (startLooking == -1 || startLooking > text.length() - 1) { 1354 // There is nothing after this chip. 1355 return; 1356 } 1357 if (text.charAt(startLooking) == ' ') { 1358 startLooking++; 1359 } 1360 } 1361 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1362 getText().delete(startLooking, end); 1363 } 1364 } 1365 } 1366 1367 private boolean shouldCreateChip(int start, int end) { 1368 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1369 } 1370 1371 private boolean alreadyHasChip(int start, int end) { 1372 if (mNoChips) { 1373 return true; 1374 } 1375 DrawableRecipientChip[] chips = 1376 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1377 if ((chips == null || chips.length == 0)) { 1378 return false; 1379 } 1380 return true; 1381 } 1382 1383 private void handleEdit(int start, int end) { 1384 if (start == -1 || end == -1) { 1385 // This chip no longer exists in the field. 1386 dismissDropDown(); 1387 return; 1388 } 1389 // This is in the middle of a chip, so select out the whole chip 1390 // and commit it. 1391 Editable editable = getText(); 1392 setSelection(end); 1393 String text = getText().toString().substring(start, end); 1394 if (!TextUtils.isEmpty(text)) { 1395 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1396 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1397 CharSequence chipText = createChip(entry, false); 1398 int selEnd = getSelectionEnd(); 1399 if (chipText != null && start > -1 && selEnd > -1) { 1400 editable.replace(start, selEnd, chipText); 1401 } 1402 } 1403 dismissDropDown(); 1404 } 1405 1406 /** 1407 * If there is a selected chip, delegate the key events 1408 * to the selected chip. 1409 */ 1410 @Override 1411 public boolean onKeyDown(int keyCode, KeyEvent event) { 1412 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1413 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1414 mAlternatesPopup.dismiss(); 1415 } 1416 removeChip(mSelectedChip); 1417 } 1418 1419 switch (keyCode) { 1420 case KeyEvent.KEYCODE_ENTER: 1421 case KeyEvent.KEYCODE_DPAD_CENTER: 1422 if (event.hasNoModifiers()) { 1423 if (commitDefault()) { 1424 return true; 1425 } 1426 if (mSelectedChip != null) { 1427 clearSelectedChip(); 1428 return true; 1429 } else if (focusNext()) { 1430 return true; 1431 } 1432 } 1433 break; 1434 } 1435 1436 return super.onKeyDown(keyCode, event); 1437 } 1438 1439 // Visible for testing. 1440 /* package */ Spannable getSpannable() { 1441 return getText(); 1442 } 1443 1444 private int getChipStart(DrawableRecipientChip chip) { 1445 return getSpannable().getSpanStart(chip); 1446 } 1447 1448 private int getChipEnd(DrawableRecipientChip chip) { 1449 return getSpannable().getSpanEnd(chip); 1450 } 1451 1452 /** 1453 * Instead of filtering on the entire contents of the edit box, 1454 * this subclass method filters on the range from 1455 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1456 * if the length of that range meets or exceeds {@link #getThreshold} 1457 * and makes sure that the range is not already a Chip. 1458 */ 1459 @Override 1460 protected void performFiltering(CharSequence text, int keyCode) { 1461 boolean isCompletedToken = isCompletedToken(text); 1462 if (enoughToFilter() && !isCompletedToken) { 1463 int end = getSelectionEnd(); 1464 int start = mTokenizer.findTokenStart(text, end); 1465 // If this is a RecipientChip, don't filter 1466 // on its contents. 1467 Spannable span = getSpannable(); 1468 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1469 if (chips != null && chips.length > 0) { 1470 dismissDropDown(); 1471 return; 1472 } 1473 } else if (isCompletedToken) { 1474 dismissDropDown(); 1475 return; 1476 } 1477 super.performFiltering(text, keyCode); 1478 } 1479 1480 // Visible for testing. 1481 /*package*/ boolean isCompletedToken(CharSequence text) { 1482 if (TextUtils.isEmpty(text)) { 1483 return false; 1484 } 1485 // Check to see if this is a completed token before filtering. 1486 int end = text.length(); 1487 int start = mTokenizer.findTokenStart(text, end); 1488 String token = text.toString().substring(start, end).trim(); 1489 if (!TextUtils.isEmpty(token)) { 1490 char atEnd = token.charAt(token.length() - 1); 1491 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1492 } 1493 return false; 1494 } 1495 1496 private void clearSelectedChip() { 1497 if (mSelectedChip != null) { 1498 unselectChip(mSelectedChip); 1499 mSelectedChip = null; 1500 } 1501 setCursorVisible(true); 1502 } 1503 1504 /** 1505 * Monitor touch events in the RecipientEditTextView. 1506 * If the view does not have focus, any tap on the view 1507 * will just focus the view. If the view has focus, determine 1508 * if the touch target is a recipient chip. If it is and the chip 1509 * is not selected, select it and clear any other selected chips. 1510 * If it isn't, then select that chip. 1511 */ 1512 @Override 1513 public boolean onTouchEvent(MotionEvent event) { 1514 if (!isFocused()) { 1515 // Ignore any chip taps until this view is focused. 1516 return super.onTouchEvent(event); 1517 } 1518 boolean handled = super.onTouchEvent(event); 1519 int action = event.getAction(); 1520 boolean chipWasSelected = false; 1521 if (mSelectedChip == null) { 1522 mGestureDetector.onTouchEvent(event); 1523 } 1524 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1525 float x = event.getX(); 1526 float y = event.getY(); 1527 int offset = putOffsetInRange(x, y); 1528 DrawableRecipientChip currentChip = findChip(offset); 1529 if (currentChip != null) { 1530 if (action == MotionEvent.ACTION_UP) { 1531 if (mSelectedChip != null && mSelectedChip != currentChip) { 1532 clearSelectedChip(); 1533 mSelectedChip = selectChip(currentChip); 1534 } else if (mSelectedChip == null) { 1535 setSelection(getText().length()); 1536 commitDefault(); 1537 mSelectedChip = selectChip(currentChip); 1538 } else { 1539 onClick(mSelectedChip, offset, x, y); 1540 } 1541 } 1542 chipWasSelected = true; 1543 handled = true; 1544 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1545 chipWasSelected = true; 1546 } 1547 } 1548 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1549 clearSelectedChip(); 1550 } 1551 return handled; 1552 } 1553 1554 private void scrollLineIntoView(int line) { 1555 if (mScrollView != null) { 1556 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1557 } 1558 } 1559 1560 private void showAlternates(final DrawableRecipientChip currentChip, 1561 final ListPopupWindow alternatesPopup, final int width) { 1562 new AsyncTask<Void, Void, ListAdapter>() { 1563 @Override 1564 protected ListAdapter doInBackground(final Void... params) { 1565 return createAlternatesAdapter(currentChip); 1566 } 1567 1568 @Override 1569 protected void onPostExecute(final ListAdapter result) { 1570 if (!mAttachedToWindow) { 1571 return; 1572 } 1573 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1574 int bottom; 1575 if (line == getLineCount() -1) { 1576 bottom = 0; 1577 } else { 1578 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1579 .abs(getLineCount() - 1 - line))); 1580 } 1581 // Align the alternates popup with the left side of the View, 1582 // regardless of the position of the chip tapped. 1583 alternatesPopup.setWidth(width); 1584 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1585 alternatesPopup.setVerticalOffset(bottom); 1586 alternatesPopup.setAdapter(result); 1587 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1588 // Clear the checked item. 1589 mCheckedItem = -1; 1590 alternatesPopup.show(); 1591 ListView listView = alternatesPopup.getListView(); 1592 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1593 // Checked item would be -1 if the adapter has not 1594 // loaded the view that should be checked yet. The 1595 // variable will be set correctly when onCheckedItemChanged 1596 // is called in a separate thread. 1597 if (mCheckedItem != -1) { 1598 listView.setItemChecked(mCheckedItem, true); 1599 mCheckedItem = -1; 1600 } 1601 } 1602 }.execute((Void[]) null); 1603 } 1604 1605 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1606 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1607 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1608 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1609 } 1610 1611 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1612 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1613 mDropdownChipLayouter); 1614 } 1615 1616 @Override 1617 public void onCheckedItemChanged(int position) { 1618 ListView listView = mAlternatesPopup.getListView(); 1619 if (listView != null && listView.getCheckedItemCount() == 0) { 1620 listView.setItemChecked(position, true); 1621 } 1622 mCheckedItem = position; 1623 } 1624 1625 private int putOffsetInRange(final float x, final float y) { 1626 final int offset; 1627 1628 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1629 offset = getOffsetForPosition(x, y); 1630 } else { 1631 offset = supportGetOffsetForPosition(x, y); 1632 } 1633 1634 return putOffsetInRange(offset); 1635 } 1636 1637 // TODO: This algorithm will need a lot of tweaking after more people have used 1638 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1639 // what comes before the finger. 1640 private int putOffsetInRange(int o) { 1641 int offset = o; 1642 Editable text = getText(); 1643 int length = text.length(); 1644 // Remove whitespace from end to find "real end" 1645 int realLength = length; 1646 for (int i = length - 1; i >= 0; i--) { 1647 if (text.charAt(i) == ' ') { 1648 realLength--; 1649 } else { 1650 break; 1651 } 1652 } 1653 1654 // If the offset is beyond or at the end of the text, 1655 // leave it alone. 1656 if (offset >= realLength) { 1657 return offset; 1658 } 1659 Editable editable = getText(); 1660 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1661 // Keep walking backward! 1662 offset--; 1663 } 1664 return offset; 1665 } 1666 1667 private static int findText(Editable text, int offset) { 1668 if (text.charAt(offset) != ' ') { 1669 return offset; 1670 } 1671 return -1; 1672 } 1673 1674 private DrawableRecipientChip findChip(int offset) { 1675 DrawableRecipientChip[] chips = 1676 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1677 // Find the chip that contains this offset. 1678 for (int i = 0; i < chips.length; i++) { 1679 DrawableRecipientChip chip = chips[i]; 1680 int start = getChipStart(chip); 1681 int end = getChipEnd(chip); 1682 if (offset >= start && offset <= end) { 1683 return chip; 1684 } 1685 } 1686 return null; 1687 } 1688 1689 // Visible for testing. 1690 // Use this method to generate text to add to the list of addresses. 1691 /* package */String createAddressText(RecipientEntry entry) { 1692 String display = entry.getDisplayName(); 1693 String address = entry.getDestination(); 1694 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1695 display = null; 1696 } 1697 String trimmedDisplayText; 1698 if (isPhoneQuery() && isPhoneNumber(address)) { 1699 trimmedDisplayText = address.trim(); 1700 } else { 1701 if (address != null) { 1702 // Tokenize out the address in case the address already 1703 // contained the username as well. 1704 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1705 if (tokenized != null && tokenized.length > 0) { 1706 address = tokenized[0].getAddress(); 1707 } 1708 } 1709 Rfc822Token token = new Rfc822Token(display, address, null); 1710 trimmedDisplayText = token.toString().trim(); 1711 } 1712 int index = trimmedDisplayText.indexOf(","); 1713 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1714 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1715 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1716 } 1717 1718 // Visible for testing. 1719 // Use this method to generate text to display in a chip. 1720 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1721 String display = entry.getDisplayName(); 1722 String address = entry.getDestination(); 1723 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1724 display = null; 1725 } 1726 if (!TextUtils.isEmpty(display)) { 1727 return display; 1728 } else if (!TextUtils.isEmpty(address)){ 1729 return address; 1730 } else { 1731 return new Rfc822Token(display, address, null).toString(); 1732 } 1733 } 1734 1735 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1736 String displayText = createAddressText(entry); 1737 if (TextUtils.isEmpty(displayText)) { 1738 return null; 1739 } 1740 SpannableString chipText = null; 1741 // Always leave a blank space at the end of a chip. 1742 int textLength = displayText.length() - 1; 1743 chipText = new SpannableString(displayText); 1744 if (!mNoChips) { 1745 try { 1746 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1747 false /* leave space for contact icon */); 1748 chipText.setSpan(chip, 0, textLength, 1749 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1750 chip.setOriginalText(chipText.toString()); 1751 } catch (NullPointerException e) { 1752 Log.e(TAG, e.getMessage(), e); 1753 return null; 1754 } 1755 } 1756 return chipText; 1757 } 1758 1759 /** 1760 * When an item in the suggestions list has been clicked, create a chip from the 1761 * contact information of the selected item. 1762 */ 1763 @Override 1764 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1765 if (position < 0) { 1766 return; 1767 } 1768 submitItemAtPosition(position); 1769 } 1770 1771 private void submitItemAtPosition(int position) { 1772 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1773 if (entry == null) { 1774 return; 1775 } 1776 clearComposingText(); 1777 1778 int end = getSelectionEnd(); 1779 int start = mTokenizer.findTokenStart(getText(), end); 1780 1781 Editable editable = getText(); 1782 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1783 CharSequence chip = createChip(entry, false); 1784 if (chip != null && start >= 0 && end >= 0) { 1785 editable.replace(start, end, chip); 1786 } 1787 sanitizeBetween(); 1788 } 1789 1790 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1791 if (item == null) { 1792 return null; 1793 } 1794 final RecipientEntry entry; 1795 // If the display name and the address are the same, or if this is a 1796 // valid contact, but the destination is invalid, then make this a fake 1797 // recipient that is editable. 1798 String destination = item.getDestination(); 1799 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1800 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1801 destination, item.isValid()); 1802 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1803 && (TextUtils.isEmpty(item.getDisplayName()) 1804 || TextUtils.equals(item.getDisplayName(), destination) 1805 || (mValidator != null && !mValidator.isValid(destination)))) { 1806 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1807 } else { 1808 entry = item; 1809 } 1810 return entry; 1811 } 1812 1813 /** Returns a collection of contact Id for each chip inside this View. */ 1814 /* package */ Collection<Long> getContactIds() { 1815 final Set<Long> result = new HashSet<Long>(); 1816 DrawableRecipientChip[] chips = getSortedRecipients(); 1817 if (chips != null) { 1818 for (DrawableRecipientChip chip : chips) { 1819 result.add(chip.getContactId()); 1820 } 1821 } 1822 return result; 1823 } 1824 1825 1826 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1827 /* package */ Collection<Long> getDataIds() { 1828 final Set<Long> result = new HashSet<Long>(); 1829 DrawableRecipientChip [] chips = getSortedRecipients(); 1830 if (chips != null) { 1831 for (DrawableRecipientChip chip : chips) { 1832 result.add(chip.getDataId()); 1833 } 1834 } 1835 return result; 1836 } 1837 1838 // Visible for testing. 1839 /* package */DrawableRecipientChip[] getSortedRecipients() { 1840 DrawableRecipientChip[] recips = getSpannable() 1841 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1842 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1843 Arrays.asList(recips)); 1844 final Spannable spannable = getSpannable(); 1845 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1846 1847 @Override 1848 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1849 int firstStart = spannable.getSpanStart(first); 1850 int secondStart = spannable.getSpanStart(second); 1851 if (firstStart < secondStart) { 1852 return -1; 1853 } else if (firstStart > secondStart) { 1854 return 1; 1855 } else { 1856 return 0; 1857 } 1858 } 1859 }); 1860 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1861 } 1862 1863 @Override 1864 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1865 return false; 1866 } 1867 1868 @Override 1869 public void onDestroyActionMode(ActionMode mode) { 1870 } 1871 1872 @Override 1873 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1874 return false; 1875 } 1876 1877 /** 1878 * No chips are selectable. 1879 */ 1880 @Override 1881 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1882 return false; 1883 } 1884 1885 // Visible for testing. 1886 /* package */ImageSpan getMoreChip() { 1887 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1888 MoreImageSpan.class); 1889 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1890 } 1891 1892 private MoreImageSpan createMoreSpan(int count) { 1893 String moreText = String.format(mMoreItem.getText().toString(), count); 1894 TextPaint morePaint = new TextPaint(getPaint()); 1895 morePaint.setTextSize(mMoreItem.getTextSize()); 1896 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1897 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1898 + mMoreItem.getPaddingRight(); 1899 int height = getLineHeight(); 1900 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1901 Canvas canvas = new Canvas(drawable); 1902 int adjustedHeight = height; 1903 Layout layout = getLayout(); 1904 if (layout != null) { 1905 adjustedHeight -= layout.getLineDescent(0); 1906 } 1907 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1908 1909 Drawable result = new BitmapDrawable(getResources(), drawable); 1910 result.setBounds(0, 0, width, height); 1911 return new MoreImageSpan(result); 1912 } 1913 1914 // Visible for testing. 1915 /*package*/ void createMoreChipPlainText() { 1916 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1917 Editable text = getText(); 1918 int start = 0; 1919 int end = start; 1920 for (int i = 0; i < CHIP_LIMIT; i++) { 1921 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1922 start = end; // move to the next token and get its end. 1923 } 1924 // Now, count total addresses. 1925 start = 0; 1926 int tokenCount = countTokens(text); 1927 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1928 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1929 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1930 text.replace(end, text.length(), chipText); 1931 mMoreChip = moreSpan; 1932 } 1933 1934 // Visible for testing. 1935 /* package */int countTokens(Editable text) { 1936 int tokenCount = 0; 1937 int start = 0; 1938 while (start < text.length()) { 1939 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1940 tokenCount++; 1941 if (start >= text.length()) { 1942 break; 1943 } 1944 } 1945 return tokenCount; 1946 } 1947 1948 /** 1949 * Create the more chip. The more chip is text that replaces any chips that 1950 * do not fit in the pre-defined available space when the 1951 * RecipientEditTextView loses focus. 1952 */ 1953 // Visible for testing. 1954 /* package */ void createMoreChip() { 1955 if (mNoChips) { 1956 createMoreChipPlainText(); 1957 return; 1958 } 1959 1960 if (!mShouldShrink) { 1961 return; 1962 } 1963 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1964 if (tempMore.length > 0) { 1965 getSpannable().removeSpan(tempMore[0]); 1966 } 1967 DrawableRecipientChip[] recipients = getSortedRecipients(); 1968 1969 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1970 mMoreChip = null; 1971 return; 1972 } 1973 Spannable spannable = getSpannable(); 1974 int numRecipients = recipients.length; 1975 int overage = numRecipients - CHIP_LIMIT; 1976 MoreImageSpan moreSpan = createMoreSpan(overage); 1977 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1978 int totalReplaceStart = 0; 1979 int totalReplaceEnd = 0; 1980 Editable text = getText(); 1981 for (int i = numRecipients - overage; i < recipients.length; i++) { 1982 mRemovedSpans.add(recipients[i]); 1983 if (i == numRecipients - overage) { 1984 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1985 } 1986 if (i == recipients.length - 1) { 1987 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1988 } 1989 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1990 int spanStart = spannable.getSpanStart(recipients[i]); 1991 int spanEnd = spannable.getSpanEnd(recipients[i]); 1992 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1993 } 1994 spannable.removeSpan(recipients[i]); 1995 } 1996 if (totalReplaceEnd < text.length()) { 1997 totalReplaceEnd = text.length(); 1998 } 1999 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2000 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2001 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2002 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2003 text.replace(start, end, chipText); 2004 mMoreChip = moreSpan; 2005 // If adding the +more chip goes over the limit, resize accordingly. 2006 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2007 setMaxLines(getLineCount()); 2008 } 2009 } 2010 2011 /** 2012 * Replace the more chip, if it exists, with all of the recipient chips it had 2013 * replaced when the RecipientEditTextView gains focus. 2014 */ 2015 // Visible for testing. 2016 /*package*/ void removeMoreChip() { 2017 if (mMoreChip != null) { 2018 Spannable span = getSpannable(); 2019 span.removeSpan(mMoreChip); 2020 mMoreChip = null; 2021 // Re-add the spans that were removed. 2022 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2023 // Recreate each removed span. 2024 DrawableRecipientChip[] recipients = getSortedRecipients(); 2025 // Start the search for tokens after the last currently visible 2026 // chip. 2027 if (recipients == null || recipients.length == 0) { 2028 return; 2029 } 2030 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2031 Editable editable = getText(); 2032 for (DrawableRecipientChip chip : mRemovedSpans) { 2033 int chipStart; 2034 int chipEnd; 2035 String token; 2036 // Need to find the location of the chip, again. 2037 token = (String) chip.getOriginalText(); 2038 // As we find the matching recipient for the remove spans, 2039 // reduce the size of the string we need to search. 2040 // That way, if there are duplicates, we always find the correct 2041 // recipient. 2042 chipStart = editable.toString().indexOf(token, end); 2043 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2044 // Only set the span if we found a matching token. 2045 if (chipStart != -1) { 2046 editable.setSpan(chip, chipStart, chipEnd, 2047 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2048 } 2049 } 2050 mRemovedSpans.clear(); 2051 } 2052 } 2053 } 2054 2055 /** 2056 * Show specified chip as selected. If the RecipientChip is just an email address, 2057 * selecting the chip will take the contents of the chip and place it at 2058 * the end of the RecipientEditTextView for inline editing. If the 2059 * RecipientChip is a complete contact, then selecting the chip 2060 * will change the background color of the chip, show the delete icon, 2061 * and a popup window with the address in use highlighted and any other 2062 * alternate addresses for the contact. 2063 * @param currentChip Chip to select. 2064 * @return A RecipientChip in the selected state or null if the chip 2065 * just contained an email address. 2066 */ 2067 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2068 if (shouldShowEditableText(currentChip)) { 2069 CharSequence text = currentChip.getValue(); 2070 Editable editable = getText(); 2071 Spannable spannable = getSpannable(); 2072 int spanStart = spannable.getSpanStart(currentChip); 2073 int spanEnd = spannable.getSpanEnd(currentChip); 2074 spannable.removeSpan(currentChip); 2075 editable.delete(spanStart, spanEnd); 2076 setCursorVisible(true); 2077 setSelection(editable.length()); 2078 editable.append(text); 2079 return constructChipSpan( 2080 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2081 true, false); 2082 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 2083 int start = getChipStart(currentChip); 2084 int end = getChipEnd(currentChip); 2085 getSpannable().removeSpan(currentChip); 2086 DrawableRecipientChip newChip; 2087 try { 2088 if (mNoChips) { 2089 return null; 2090 } 2091 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2092 } catch (NullPointerException e) { 2093 Log.e(TAG, e.getMessage(), e); 2094 return null; 2095 } 2096 Editable editable = getText(); 2097 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2098 if (start == -1 || end == -1) { 2099 Log.d(TAG, "The chip being selected no longer exists but should."); 2100 } else { 2101 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2102 } 2103 newChip.setSelected(true); 2104 if (shouldShowEditableText(newChip)) { 2105 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2106 } 2107 showAddress(newChip, mAddressPopup, getWidth()); 2108 setCursorVisible(false); 2109 return newChip; 2110 } else { 2111 int start = getChipStart(currentChip); 2112 int end = getChipEnd(currentChip); 2113 getSpannable().removeSpan(currentChip); 2114 DrawableRecipientChip newChip; 2115 try { 2116 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2117 } catch (NullPointerException e) { 2118 Log.e(TAG, e.getMessage(), e); 2119 return null; 2120 } 2121 Editable editable = getText(); 2122 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2123 if (start == -1 || end == -1) { 2124 Log.d(TAG, "The chip being selected no longer exists but should."); 2125 } else { 2126 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2127 } 2128 newChip.setSelected(true); 2129 if (shouldShowEditableText(newChip)) { 2130 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2131 } 2132 showAlternates(newChip, mAlternatesPopup, getWidth()); 2133 setCursorVisible(false); 2134 return newChip; 2135 } 2136 } 2137 2138 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2139 long contactId = currentChip.getContactId(); 2140 return contactId == RecipientEntry.INVALID_CONTACT 2141 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2142 } 2143 2144 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2145 int width) { 2146 if (!mAttachedToWindow) { 2147 return; 2148 } 2149 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2150 int bottom = calculateOffsetFromBottom(line); 2151 // Align the alternates popup with the left side of the View, 2152 // regardless of the position of the chip tapped. 2153 popup.setWidth(width); 2154 popup.setAnchorView(this); 2155 popup.setVerticalOffset(bottom); 2156 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2157 popup.setOnItemClickListener(new OnItemClickListener() { 2158 @Override 2159 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2160 unselectChip(currentChip); 2161 popup.dismiss(); 2162 } 2163 }); 2164 popup.show(); 2165 ListView listView = popup.getListView(); 2166 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2167 listView.setItemChecked(0, true); 2168 } 2169 2170 /** 2171 * Remove selection from this chip. Unselecting a RecipientChip will render 2172 * the chip without a delete icon and with an unfocused background. This is 2173 * called when the RecipientChip no longer has focus. 2174 */ 2175 private void unselectChip(DrawableRecipientChip chip) { 2176 int start = getChipStart(chip); 2177 int end = getChipEnd(chip); 2178 Editable editable = getText(); 2179 mSelectedChip = null; 2180 if (start == -1 || end == -1) { 2181 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2182 setSelection(editable.length()); 2183 commitDefault(); 2184 } else { 2185 getSpannable().removeSpan(chip); 2186 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2187 editable.removeSpan(chip); 2188 try { 2189 if (!mNoChips) { 2190 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2191 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2192 } 2193 } catch (NullPointerException e) { 2194 Log.e(TAG, e.getMessage(), e); 2195 } 2196 } 2197 setCursorVisible(true); 2198 setSelection(editable.length()); 2199 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2200 mAlternatesPopup.dismiss(); 2201 } 2202 } 2203 2204 /** 2205 * Return whether a touch event was inside the delete target of 2206 * a selected chip. It is in the delete target if: 2207 * 1) the x and y points of the event are within the 2208 * delete assset. 2209 * 2) the point tapped would have caused a cursor to appear 2210 * right after the selected chip. 2211 * @return boolean 2212 */ 2213 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2214 // Figure out the bounds of this chip and whether or not 2215 // the user clicked in the X portion. 2216 // TODO: Should x and y be used, or removed? 2217 if (mDisableDelete) { 2218 return false; 2219 } 2220 2221 return chip.isSelected() && 2222 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2223 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2224 } 2225 2226 /** 2227 * Remove the chip and any text associated with it from the RecipientEditTextView. 2228 */ 2229 // Visible for testing. 2230 /* package */void removeChip(DrawableRecipientChip chip) { 2231 Spannable spannable = getSpannable(); 2232 int spanStart = spannable.getSpanStart(chip); 2233 int spanEnd = spannable.getSpanEnd(chip); 2234 Editable text = getText(); 2235 int toDelete = spanEnd; 2236 boolean wasSelected = chip == mSelectedChip; 2237 // Clear that there is a selected chip before updating any text. 2238 if (wasSelected) { 2239 mSelectedChip = null; 2240 } 2241 // Always remove trailing spaces when removing a chip. 2242 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2243 toDelete++; 2244 } 2245 spannable.removeSpan(chip); 2246 if (spanStart >= 0 && toDelete > 0) { 2247 text.delete(spanStart, toDelete); 2248 } 2249 if (wasSelected) { 2250 clearSelectedChip(); 2251 } 2252 } 2253 2254 /** 2255 * Replace this currently selected chip with a new chip 2256 * that uses the contact data provided. 2257 */ 2258 // Visible for testing. 2259 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2260 boolean wasSelected = chip == mSelectedChip; 2261 if (wasSelected) { 2262 mSelectedChip = null; 2263 } 2264 int start = getChipStart(chip); 2265 int end = getChipEnd(chip); 2266 getSpannable().removeSpan(chip); 2267 Editable editable = getText(); 2268 CharSequence chipText = createChip(entry, false); 2269 if (chipText != null) { 2270 if (start == -1 || end == -1) { 2271 Log.e(TAG, "The chip to replace does not exist but should."); 2272 editable.insert(0, chipText); 2273 } else { 2274 if (!TextUtils.isEmpty(chipText)) { 2275 // There may be a space to replace with this chip's new 2276 // associated space. Check for it 2277 int toReplace = end; 2278 while (toReplace >= 0 && toReplace < editable.length() 2279 && editable.charAt(toReplace) == ' ') { 2280 toReplace++; 2281 } 2282 editable.replace(start, toReplace, chipText); 2283 } 2284 } 2285 } 2286 setCursorVisible(true); 2287 if (wasSelected) { 2288 clearSelectedChip(); 2289 } 2290 } 2291 2292 /** 2293 * Handle click events for a chip. When a selected chip receives a click 2294 * event, see if that event was in the delete icon. If so, delete it. 2295 * Otherwise, unselect the chip. 2296 */ 2297 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2298 if (chip.isSelected()) { 2299 if (isInDelete(chip, offset, x, y)) { 2300 removeChip(chip); 2301 } else { 2302 clearSelectedChip(); 2303 } 2304 } 2305 } 2306 2307 private boolean chipsPending() { 2308 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2309 } 2310 2311 @Override 2312 public void removeTextChangedListener(TextWatcher watcher) { 2313 mTextWatcher = null; 2314 super.removeTextChangedListener(watcher); 2315 } 2316 2317 private boolean isValidEmailAddress(String input) { 2318 return !TextUtils.isEmpty(input) && mValidator != null && 2319 mValidator.isValid(input); 2320 } 2321 2322 private class RecipientTextWatcher implements TextWatcher { 2323 2324 @Override 2325 public void afterTextChanged(Editable s) { 2326 // If the text has been set to null or empty, make sure we remove 2327 // all the spans we applied. 2328 if (TextUtils.isEmpty(s)) { 2329 // Remove all the chips spans. 2330 Spannable spannable = getSpannable(); 2331 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2332 DrawableRecipientChip.class); 2333 for (DrawableRecipientChip chip : chips) { 2334 spannable.removeSpan(chip); 2335 } 2336 if (mMoreChip != null) { 2337 spannable.removeSpan(mMoreChip); 2338 } 2339 clearSelectedChip(); 2340 return; 2341 } 2342 // Get whether there are any recipients pending addition to the 2343 // view. If there are, don't do anything in the text watcher. 2344 if (chipsPending()) { 2345 return; 2346 } 2347 // If the user is editing a chip, don't clear it. 2348 if (mSelectedChip != null) { 2349 if (!isGeneratedContact(mSelectedChip)) { 2350 setCursorVisible(true); 2351 setSelection(getText().length()); 2352 clearSelectedChip(); 2353 } else { 2354 return; 2355 } 2356 } 2357 int length = s.length(); 2358 // Make sure there is content there to parse and that it is 2359 // not just the commit character. 2360 if (length > 1) { 2361 if (lastCharacterIsCommitCharacter(s)) { 2362 commitByCharacter(); 2363 return; 2364 } 2365 char last; 2366 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2367 int len = length() - 1; 2368 if (end != len) { 2369 last = s.charAt(end); 2370 } else { 2371 last = s.charAt(len); 2372 } 2373 if (last == COMMIT_CHAR_SPACE) { 2374 if (!isPhoneQuery()) { 2375 // Check if this is a valid email address. If it is, 2376 // commit it. 2377 String text = getText().toString(); 2378 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2379 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2380 tokenStart)); 2381 if (isValidEmailAddress(sub)) { 2382 commitByCharacter(); 2383 } 2384 } 2385 } 2386 } 2387 } 2388 2389 @Override 2390 public void onTextChanged(CharSequence s, int start, int before, int count) { 2391 // The user deleted some text OR some text was replaced; check to 2392 // see if the insertion point is on a space 2393 // following a chip. 2394 if (before - count == 1) { 2395 // If the item deleted is a space, and the thing before the 2396 // space is a chip, delete the entire span. 2397 int selStart = getSelectionStart(); 2398 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2399 DrawableRecipientChip.class); 2400 if (repl.length > 0) { 2401 // There is a chip there! Just remove it. 2402 Editable editable = getText(); 2403 // Add the separator token. 2404 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2405 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2406 tokenEnd = tokenEnd + 1; 2407 if (tokenEnd > editable.length()) { 2408 tokenEnd = editable.length(); 2409 } 2410 editable.delete(tokenStart, tokenEnd); 2411 getSpannable().removeSpan(repl[0]); 2412 } 2413 } else if (count > before) { 2414 if (mSelectedChip != null 2415 && isGeneratedContact(mSelectedChip)) { 2416 if (lastCharacterIsCommitCharacter(s)) { 2417 commitByCharacter(); 2418 return; 2419 } 2420 } 2421 } 2422 } 2423 2424 @Override 2425 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2426 // Do nothing. 2427 } 2428 } 2429 2430 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2431 char last; 2432 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2433 int len = length() - 1; 2434 if (end != len) { 2435 last = s.charAt(end); 2436 } else { 2437 last = s.charAt(len); 2438 } 2439 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2440 } 2441 2442 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2443 long contactId = chip.getContactId(); 2444 return contactId == RecipientEntry.INVALID_CONTACT 2445 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2446 } 2447 2448 /** 2449 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2450 */ 2451 private void handlePasteClip(ClipData clip) { 2452 removeTextChangedListener(mTextWatcher); 2453 2454 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2455 for (int i = 0; i < clip.getItemCount(); i++) { 2456 CharSequence paste = clip.getItemAt(i).getText(); 2457 if (paste != null) { 2458 int start = getSelectionStart(); 2459 int end = getSelectionEnd(); 2460 Editable editable = getText(); 2461 if (start >= 0 && end >= 0 && start != end) { 2462 editable.append(paste, start, end); 2463 } else { 2464 editable.insert(end, paste); 2465 } 2466 handlePasteAndReplace(); 2467 } 2468 } 2469 } 2470 2471 mHandler.post(mAddTextWatcher); 2472 } 2473 2474 @Override 2475 public boolean onTextContextMenuItem(int id) { 2476 if (id == android.R.id.paste) { 2477 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2478 Context.CLIPBOARD_SERVICE); 2479 handlePasteClip(clipboard.getPrimaryClip()); 2480 return true; 2481 } 2482 return super.onTextContextMenuItem(id); 2483 } 2484 2485 private void handlePasteAndReplace() { 2486 ArrayList<DrawableRecipientChip> created = handlePaste(); 2487 if (created != null && created.size() > 0) { 2488 // Perform reverse lookups on the pasted contacts. 2489 IndividualReplacementTask replace = new IndividualReplacementTask(); 2490 replace.execute(created); 2491 } 2492 } 2493 2494 // Visible for testing. 2495 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2496 String text = getText().toString(); 2497 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2498 String lastAddress = text.substring(originalTokenStart); 2499 int tokenStart = originalTokenStart; 2500 int prevTokenStart = 0; 2501 DrawableRecipientChip findChip = null; 2502 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2503 if (tokenStart != 0) { 2504 // There are things before this! 2505 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2506 prevTokenStart = tokenStart; 2507 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2508 findChip = findChip(tokenStart); 2509 if (tokenStart == originalTokenStart && findChip == null) { 2510 break; 2511 } 2512 } 2513 if (tokenStart != originalTokenStart) { 2514 if (findChip != null) { 2515 tokenStart = prevTokenStart; 2516 } 2517 int tokenEnd; 2518 DrawableRecipientChip createdChip; 2519 while (tokenStart < originalTokenStart) { 2520 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2521 tokenStart)); 2522 commitChip(tokenStart, tokenEnd, getText()); 2523 createdChip = findChip(tokenStart); 2524 if (createdChip == null) { 2525 break; 2526 } 2527 // +1 for the space at the end. 2528 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2529 created.add(createdChip); 2530 } 2531 } 2532 } 2533 // Take a look at the last token. If the token has been completed with a 2534 // commit character, create a chip. 2535 if (isCompletedToken(lastAddress)) { 2536 Editable editable = getText(); 2537 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2538 commitChip(tokenStart, editable.length(), editable); 2539 created.add(findChip(tokenStart)); 2540 } 2541 return created; 2542 } 2543 2544 // Visible for testing. 2545 /* package */int movePastTerminators(int tokenEnd) { 2546 if (tokenEnd >= length()) { 2547 return tokenEnd; 2548 } 2549 char atEnd = getText().toString().charAt(tokenEnd); 2550 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2551 tokenEnd++; 2552 } 2553 // This token had not only an end token character, but also a space 2554 // separating it from the next token. 2555 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2556 tokenEnd++; 2557 } 2558 return tokenEnd; 2559 } 2560 2561 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2562 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2563 try { 2564 if (mNoChips) { 2565 return null; 2566 } 2567 return constructChipSpan(entry, false, 2568 false /*leave space for contact icon */); 2569 } catch (NullPointerException e) { 2570 Log.e(TAG, e.getMessage(), e); 2571 return null; 2572 } 2573 } 2574 2575 @Override 2576 protected void onPreExecute() { 2577 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2578 // replaced 2579 final List<DrawableRecipientChip> originalRecipients = 2580 new ArrayList<DrawableRecipientChip>(); 2581 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2582 for (int i = 0; i < existingChips.length; i++) { 2583 originalRecipients.add(existingChips[i]); 2584 } 2585 if (mRemovedSpans != null) { 2586 originalRecipients.addAll(mRemovedSpans); 2587 } 2588 2589 final List<DrawableRecipientChip> replacements = 2590 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2591 2592 for (final DrawableRecipientChip chip : originalRecipients) { 2593 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2594 && getSpannable().getSpanStart(chip) != -1) { 2595 replacements.add(createFreeChip(chip.getEntry())); 2596 } else { 2597 replacements.add(null); 2598 } 2599 } 2600 2601 processReplacements(originalRecipients, replacements); 2602 } 2603 2604 @Override 2605 protected Void doInBackground(Void... params) { 2606 if (mIndividualReplacements != null) { 2607 mIndividualReplacements.cancel(true); 2608 } 2609 // For each chip in the list, look up the matching contact. 2610 // If there is a match, replace that chip with the matching 2611 // chip. 2612 final ArrayList<DrawableRecipientChip> recipients = 2613 new ArrayList<DrawableRecipientChip>(); 2614 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2615 for (int i = 0; i < existingChips.length; i++) { 2616 recipients.add(existingChips[i]); 2617 } 2618 if (mRemovedSpans != null) { 2619 recipients.addAll(mRemovedSpans); 2620 } 2621 ArrayList<String> addresses = new ArrayList<String>(); 2622 DrawableRecipientChip chip; 2623 for (int i = 0; i < recipients.size(); i++) { 2624 chip = recipients.get(i); 2625 if (chip != null) { 2626 addresses.add(createAddressText(chip.getEntry())); 2627 } 2628 } 2629 final BaseRecipientAdapter adapter = getAdapter(); 2630 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2631 adapter.getAccount(), new RecipientMatchCallback() { 2632 @Override 2633 public void matchesFound(Map<String, RecipientEntry> entries) { 2634 final ArrayList<DrawableRecipientChip> replacements = 2635 new ArrayList<DrawableRecipientChip>(); 2636 for (final DrawableRecipientChip temp : recipients) { 2637 RecipientEntry entry = null; 2638 if (temp != null && RecipientEntry.isCreatedRecipient( 2639 temp.getEntry().getContactId()) 2640 && getSpannable().getSpanStart(temp) != -1) { 2641 // Replace this. 2642 entry = createValidatedEntry( 2643 entries.get(tokenizeAddress(temp.getEntry() 2644 .getDestination()))); 2645 } 2646 if (entry != null) { 2647 replacements.add(createFreeChip(entry)); 2648 } else { 2649 replacements.add(null); 2650 } 2651 } 2652 processReplacements(recipients, replacements); 2653 } 2654 2655 @Override 2656 public void matchesNotFound(final Set<String> unfoundAddresses) { 2657 final List<DrawableRecipientChip> replacements = 2658 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2659 2660 for (final DrawableRecipientChip temp : recipients) { 2661 if (temp != null && RecipientEntry.isCreatedRecipient( 2662 temp.getEntry().getContactId()) 2663 && getSpannable().getSpanStart(temp) != -1) { 2664 if (unfoundAddresses.contains( 2665 temp.getEntry().getDestination())) { 2666 replacements.add(createFreeChip(temp.getEntry())); 2667 } else { 2668 replacements.add(null); 2669 } 2670 } else { 2671 replacements.add(null); 2672 } 2673 } 2674 2675 processReplacements(recipients, replacements); 2676 } 2677 }); 2678 return null; 2679 } 2680 2681 private void processReplacements(final List<DrawableRecipientChip> recipients, 2682 final List<DrawableRecipientChip> replacements) { 2683 if (replacements != null && replacements.size() > 0) { 2684 final Runnable runnable = new Runnable() { 2685 @Override 2686 public void run() { 2687 final Editable text = new SpannableStringBuilder(getText()); 2688 int i = 0; 2689 for (final DrawableRecipientChip chip : recipients) { 2690 final DrawableRecipientChip replacement = replacements.get(i); 2691 if (replacement != null) { 2692 final RecipientEntry oldEntry = chip.getEntry(); 2693 final RecipientEntry newEntry = replacement.getEntry(); 2694 final boolean isBetter = 2695 RecipientAlternatesAdapter.getBetterRecipient( 2696 oldEntry, newEntry) == newEntry; 2697 2698 if (isBetter) { 2699 // Find the location of the chip in the text currently shown. 2700 final int start = text.getSpanStart(chip); 2701 if (start != -1) { 2702 // Replacing the entirety of what the chip represented, 2703 // including the extra space dividing it from other chips. 2704 final int end = 2705 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2706 text.removeSpan(chip); 2707 // Make sure we always have just 1 space at the end to 2708 // separate this chip from the next chip. 2709 final SpannableString displayText = 2710 new SpannableString(createAddressText( 2711 replacement.getEntry()).trim() + " "); 2712 displayText.setSpan(replacement, 0, 2713 displayText.length() - 1, 2714 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2715 // Replace the old text we found with with the new display 2716 // text, which now may also contain the display name of the 2717 // recipient. 2718 text.replace(start, end, displayText); 2719 replacement.setOriginalText(displayText.toString()); 2720 replacements.set(i, null); 2721 2722 recipients.set(i, replacement); 2723 } 2724 } 2725 } 2726 i++; 2727 } 2728 setText(text); 2729 } 2730 }; 2731 2732 if (Looper.myLooper() == Looper.getMainLooper()) { 2733 runnable.run(); 2734 } else { 2735 mHandler.post(runnable); 2736 } 2737 } 2738 } 2739 } 2740 2741 private class IndividualReplacementTask 2742 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2743 @Override 2744 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2745 // For each chip in the list, look up the matching contact. 2746 // If there is a match, replace that chip with the matching 2747 // chip. 2748 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2749 ArrayList<String> addresses = new ArrayList<String>(); 2750 DrawableRecipientChip chip; 2751 for (int i = 0; i < originalRecipients.size(); i++) { 2752 chip = originalRecipients.get(i); 2753 if (chip != null) { 2754 addresses.add(createAddressText(chip.getEntry())); 2755 } 2756 } 2757 final BaseRecipientAdapter adapter = getAdapter(); 2758 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2759 adapter.getAccount(), 2760 new RecipientMatchCallback() { 2761 2762 @Override 2763 public void matchesFound(Map<String, RecipientEntry> entries) { 2764 for (final DrawableRecipientChip temp : originalRecipients) { 2765 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2766 .getContactId()) 2767 && getSpannable().getSpanStart(temp) != -1) { 2768 // Replace this. 2769 final RecipientEntry entry = createValidatedEntry(entries 2770 .get(tokenizeAddress(temp.getEntry().getDestination()) 2771 .toLowerCase())); 2772 if (entry != null) { 2773 mHandler.post(new Runnable() { 2774 @Override 2775 public void run() { 2776 replaceChip(temp, entry); 2777 } 2778 }); 2779 } 2780 } 2781 } 2782 } 2783 2784 @Override 2785 public void matchesNotFound(final Set<String> unfoundAddresses) { 2786 // No action required 2787 } 2788 }); 2789 return null; 2790 } 2791 } 2792 2793 2794 /** 2795 * MoreImageSpan is a simple class created for tracking the existence of a 2796 * more chip across activity restarts/ 2797 */ 2798 private class MoreImageSpan extends ImageSpan { 2799 public MoreImageSpan(Drawable b) { 2800 super(b); 2801 } 2802 } 2803 2804 @Override 2805 public boolean onDown(MotionEvent e) { 2806 return false; 2807 } 2808 2809 @Override 2810 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2811 // Do nothing. 2812 return false; 2813 } 2814 2815 @Override 2816 public void onLongPress(MotionEvent event) { 2817 if (mSelectedChip != null) { 2818 return; 2819 } 2820 float x = event.getX(); 2821 float y = event.getY(); 2822 final int offset = putOffsetInRange(x, y); 2823 DrawableRecipientChip currentChip = findChip(offset); 2824 if (currentChip != null) { 2825 if (mDragEnabled) { 2826 // Start drag-and-drop for the selected chip. 2827 startDrag(currentChip); 2828 } else { 2829 // Copy the selected chip email address. 2830 showCopyDialog(currentChip.getEntry().getDestination()); 2831 } 2832 } 2833 } 2834 2835 // The following methods are used to provide some functionality on older versions of Android 2836 // These methods were copied out of JB MR2's TextView 2837 ///////////////////////////////////////////////// 2838 private int supportGetOffsetForPosition(float x, float y) { 2839 if (getLayout() == null) return -1; 2840 final int line = supportGetLineAtCoordinate(y); 2841 final int offset = supportGetOffsetAtCoordinate(line, x); 2842 return offset; 2843 } 2844 2845 private float supportConvertToLocalHorizontalCoordinate(float x) { 2846 x -= getTotalPaddingLeft(); 2847 // Clamp the position to inside of the view. 2848 x = Math.max(0.0f, x); 2849 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2850 x += getScrollX(); 2851 return x; 2852 } 2853 2854 private int supportGetLineAtCoordinate(float y) { 2855 y -= getTotalPaddingLeft(); 2856 // Clamp the position to inside of the view. 2857 y = Math.max(0.0f, y); 2858 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2859 y += getScrollY(); 2860 return getLayout().getLineForVertical((int) y); 2861 } 2862 2863 private int supportGetOffsetAtCoordinate(int line, float x) { 2864 x = supportConvertToLocalHorizontalCoordinate(x); 2865 return getLayout().getOffsetForHorizontal(line, x); 2866 } 2867 ///////////////////////////////////////////////// 2868 2869 /** 2870 * Enables drag-and-drop for chips. 2871 */ 2872 public void enableDrag() { 2873 mDragEnabled = true; 2874 } 2875 2876 /** 2877 * Starts drag-and-drop for the selected chip. 2878 */ 2879 private void startDrag(DrawableRecipientChip currentChip) { 2880 String address = currentChip.getEntry().getDestination(); 2881 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2882 2883 // Start drag mode. 2884 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2885 2886 // Remove the current chip, so drag-and-drop will result in a move. 2887 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2888 removeChip(currentChip); 2889 } 2890 2891 /** 2892 * Handles drag event. 2893 */ 2894 @Override 2895 public boolean onDragEvent(DragEvent event) { 2896 switch (event.getAction()) { 2897 case DragEvent.ACTION_DRAG_STARTED: 2898 // Only handle plain text drag and drop. 2899 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2900 case DragEvent.ACTION_DRAG_ENTERED: 2901 requestFocus(); 2902 return true; 2903 case DragEvent.ACTION_DROP: 2904 handlePasteClip(event.getClipData()); 2905 return true; 2906 } 2907 return false; 2908 } 2909 2910 /** 2911 * Drag shadow for a {@link RecipientChip}. 2912 */ 2913 private final class RecipientChipShadow extends DragShadowBuilder { 2914 private final DrawableRecipientChip mChip; 2915 2916 public RecipientChipShadow(DrawableRecipientChip chip) { 2917 mChip = chip; 2918 } 2919 2920 @Override 2921 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2922 Rect rect = mChip.getBounds(); 2923 shadowSize.set(rect.width(), rect.height()); 2924 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2925 } 2926 2927 @Override 2928 public void onDrawShadow(Canvas canvas) { 2929 mChip.draw(canvas); 2930 } 2931 } 2932 2933 private void showCopyDialog(final String address) { 2934 if (!mAttachedToWindow) { 2935 return; 2936 } 2937 mCopyAddress = address; 2938 mCopyDialog.setTitle(address); 2939 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2940 mCopyDialog.setCancelable(true); 2941 mCopyDialog.setCanceledOnTouchOutside(true); 2942 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2943 button.setOnClickListener(this); 2944 int btnTitleId; 2945 if (isPhoneQuery()) { 2946 btnTitleId = R.string.copy_number; 2947 } else { 2948 btnTitleId = R.string.copy_email; 2949 } 2950 String buttonTitle = getContext().getResources().getString(btnTitleId); 2951 button.setText(buttonTitle); 2952 mCopyDialog.setOnDismissListener(this); 2953 mCopyDialog.show(); 2954 } 2955 2956 @Override 2957 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2958 // Do nothing. 2959 return false; 2960 } 2961 2962 @Override 2963 public void onShowPress(MotionEvent e) { 2964 // Do nothing. 2965 } 2966 2967 @Override 2968 public boolean onSingleTapUp(MotionEvent e) { 2969 // Do nothing. 2970 return false; 2971 } 2972 2973 @Override 2974 public void onDismiss(DialogInterface dialog) { 2975 mCopyAddress = null; 2976 } 2977 2978 @Override 2979 public void onClick(View v) { 2980 // Copy this to the clipboard. 2981 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2982 Context.CLIPBOARD_SERVICE); 2983 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2984 mCopyDialog.dismiss(); 2985 } 2986 2987 protected boolean isPhoneQuery() { 2988 return getAdapter() != null 2989 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2990 } 2991 2992 @Override 2993 public BaseRecipientAdapter getAdapter() { 2994 return (BaseRecipientAdapter) super.getAdapter(); 2995 } 2996} 2997