RecipientEditTextView.java revision e4945e96e5b67a1a5b8fd165debc616a351fda17
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 selected item (if one is selected), or the first item, in the popup 1248 * suggestions list. Otherwise, it is whatever the user had typed in. End represents where the 1249 * tokenizer 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 selected or first entry if only the input text is NOT an email 1294 // address so we won't try to replace the user's potentially correct but 1295 // new/unencountered email input 1296 if (!isValidEmailAddress(editable.toString().substring(start, end).trim())) { 1297 final int selectedPosition = getListSelection(); 1298 if (selectedPosition == -1) { 1299 // Nothing is selected; use the first item 1300 submitItemAtPosition(0); 1301 } else { 1302 submitItemAtPosition(selectedPosition); 1303 } 1304 } 1305 dismissDropDown(); 1306 return true; 1307 } else { 1308 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1309 if (editable.length() > tokenEnd + 1) { 1310 char charAt = editable.charAt(tokenEnd + 1); 1311 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1312 tokenEnd++; 1313 } 1314 } 1315 String text = editable.toString().substring(start, tokenEnd).trim(); 1316 clearComposingText(); 1317 if (text != null && text.length() > 0 && !text.equals(" ")) { 1318 RecipientEntry entry = createTokenizedEntry(text); 1319 if (entry != null) { 1320 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1321 CharSequence chipText = createChip(entry, false); 1322 if (chipText != null && start > -1 && end > -1) { 1323 editable.replace(start, end, chipText); 1324 } 1325 } 1326 // Only dismiss the dropdown if it is related to the text we 1327 // just committed. 1328 // For paste, it may not be as there are possibly multiple 1329 // tokens being added. 1330 if (end == getSelectionEnd()) { 1331 dismissDropDown(); 1332 } 1333 sanitizeBetween(); 1334 return true; 1335 } 1336 } 1337 return false; 1338 } 1339 1340 // Visible for testing. 1341 /* package */ void sanitizeBetween() { 1342 // Don't sanitize while we are waiting for content to chipify. 1343 if (mPendingChipsCount > 0) { 1344 return; 1345 } 1346 // Find the last chip. 1347 DrawableRecipientChip[] recips = getSortedRecipients(); 1348 if (recips != null && recips.length > 0) { 1349 DrawableRecipientChip last = recips[recips.length - 1]; 1350 DrawableRecipientChip beforeLast = null; 1351 if (recips.length > 1) { 1352 beforeLast = recips[recips.length - 2]; 1353 } 1354 int startLooking = 0; 1355 int end = getSpannable().getSpanStart(last); 1356 if (beforeLast != null) { 1357 startLooking = getSpannable().getSpanEnd(beforeLast); 1358 Editable text = getText(); 1359 if (startLooking == -1 || startLooking > text.length() - 1) { 1360 // There is nothing after this chip. 1361 return; 1362 } 1363 if (text.charAt(startLooking) == ' ') { 1364 startLooking++; 1365 } 1366 } 1367 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1368 getText().delete(startLooking, end); 1369 } 1370 } 1371 } 1372 1373 private boolean shouldCreateChip(int start, int end) { 1374 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1375 } 1376 1377 private boolean alreadyHasChip(int start, int end) { 1378 if (mNoChips) { 1379 return true; 1380 } 1381 DrawableRecipientChip[] chips = 1382 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1383 if ((chips == null || chips.length == 0)) { 1384 return false; 1385 } 1386 return true; 1387 } 1388 1389 private void handleEdit(int start, int end) { 1390 if (start == -1 || end == -1) { 1391 // This chip no longer exists in the field. 1392 dismissDropDown(); 1393 return; 1394 } 1395 // This is in the middle of a chip, so select out the whole chip 1396 // and commit it. 1397 Editable editable = getText(); 1398 setSelection(end); 1399 String text = getText().toString().substring(start, end); 1400 if (!TextUtils.isEmpty(text)) { 1401 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1402 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1403 CharSequence chipText = createChip(entry, false); 1404 int selEnd = getSelectionEnd(); 1405 if (chipText != null && start > -1 && selEnd > -1) { 1406 editable.replace(start, selEnd, chipText); 1407 } 1408 } 1409 dismissDropDown(); 1410 } 1411 1412 /** 1413 * If there is a selected chip, delegate the key events 1414 * to the selected chip. 1415 */ 1416 @Override 1417 public boolean onKeyDown(int keyCode, KeyEvent event) { 1418 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1419 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1420 mAlternatesPopup.dismiss(); 1421 } 1422 removeChip(mSelectedChip); 1423 } 1424 1425 switch (keyCode) { 1426 case KeyEvent.KEYCODE_ENTER: 1427 case KeyEvent.KEYCODE_DPAD_CENTER: 1428 if (event.hasNoModifiers()) { 1429 if (commitDefault()) { 1430 return true; 1431 } 1432 if (mSelectedChip != null) { 1433 clearSelectedChip(); 1434 return true; 1435 } else if (focusNext()) { 1436 return true; 1437 } 1438 } 1439 break; 1440 } 1441 1442 return super.onKeyDown(keyCode, event); 1443 } 1444 1445 // Visible for testing. 1446 /* package */ Spannable getSpannable() { 1447 return getText(); 1448 } 1449 1450 private int getChipStart(DrawableRecipientChip chip) { 1451 return getSpannable().getSpanStart(chip); 1452 } 1453 1454 private int getChipEnd(DrawableRecipientChip chip) { 1455 return getSpannable().getSpanEnd(chip); 1456 } 1457 1458 /** 1459 * Instead of filtering on the entire contents of the edit box, 1460 * this subclass method filters on the range from 1461 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1462 * if the length of that range meets or exceeds {@link #getThreshold} 1463 * and makes sure that the range is not already a Chip. 1464 */ 1465 @Override 1466 protected void performFiltering(CharSequence text, int keyCode) { 1467 boolean isCompletedToken = isCompletedToken(text); 1468 if (enoughToFilter() && !isCompletedToken) { 1469 int end = getSelectionEnd(); 1470 int start = mTokenizer.findTokenStart(text, end); 1471 // If this is a RecipientChip, don't filter 1472 // on its contents. 1473 Spannable span = getSpannable(); 1474 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1475 if (chips != null && chips.length > 0) { 1476 dismissDropDown(); 1477 return; 1478 } 1479 } else if (isCompletedToken) { 1480 dismissDropDown(); 1481 return; 1482 } 1483 super.performFiltering(text, keyCode); 1484 } 1485 1486 // Visible for testing. 1487 /*package*/ boolean isCompletedToken(CharSequence text) { 1488 if (TextUtils.isEmpty(text)) { 1489 return false; 1490 } 1491 // Check to see if this is a completed token before filtering. 1492 int end = text.length(); 1493 int start = mTokenizer.findTokenStart(text, end); 1494 String token = text.toString().substring(start, end).trim(); 1495 if (!TextUtils.isEmpty(token)) { 1496 char atEnd = token.charAt(token.length() - 1); 1497 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1498 } 1499 return false; 1500 } 1501 1502 private void clearSelectedChip() { 1503 if (mSelectedChip != null) { 1504 unselectChip(mSelectedChip); 1505 mSelectedChip = null; 1506 } 1507 setCursorVisible(true); 1508 } 1509 1510 /** 1511 * Monitor touch events in the RecipientEditTextView. 1512 * If the view does not have focus, any tap on the view 1513 * will just focus the view. If the view has focus, determine 1514 * if the touch target is a recipient chip. If it is and the chip 1515 * is not selected, select it and clear any other selected chips. 1516 * If it isn't, then select that chip. 1517 */ 1518 @Override 1519 public boolean onTouchEvent(MotionEvent event) { 1520 if (!isFocused()) { 1521 // Ignore any chip taps until this view is focused. 1522 return super.onTouchEvent(event); 1523 } 1524 boolean handled = super.onTouchEvent(event); 1525 int action = event.getAction(); 1526 boolean chipWasSelected = false; 1527 if (mSelectedChip == null) { 1528 mGestureDetector.onTouchEvent(event); 1529 } 1530 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1531 float x = event.getX(); 1532 float y = event.getY(); 1533 int offset = putOffsetInRange(x, y); 1534 DrawableRecipientChip currentChip = findChip(offset); 1535 if (currentChip != null) { 1536 if (action == MotionEvent.ACTION_UP) { 1537 if (mSelectedChip != null && mSelectedChip != currentChip) { 1538 clearSelectedChip(); 1539 mSelectedChip = selectChip(currentChip); 1540 } else if (mSelectedChip == null) { 1541 setSelection(getText().length()); 1542 commitDefault(); 1543 mSelectedChip = selectChip(currentChip); 1544 } else { 1545 onClick(mSelectedChip, offset, x, y); 1546 } 1547 } 1548 chipWasSelected = true; 1549 handled = true; 1550 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1551 chipWasSelected = true; 1552 } 1553 } 1554 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1555 clearSelectedChip(); 1556 } 1557 return handled; 1558 } 1559 1560 private void scrollLineIntoView(int line) { 1561 if (mScrollView != null) { 1562 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1563 } 1564 } 1565 1566 private void showAlternates(final DrawableRecipientChip currentChip, 1567 final ListPopupWindow alternatesPopup, final int width) { 1568 new AsyncTask<Void, Void, ListAdapter>() { 1569 @Override 1570 protected ListAdapter doInBackground(final Void... params) { 1571 return createAlternatesAdapter(currentChip); 1572 } 1573 1574 @Override 1575 protected void onPostExecute(final ListAdapter result) { 1576 if (!mAttachedToWindow) { 1577 return; 1578 } 1579 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1580 int bottom; 1581 if (line == getLineCount() -1) { 1582 bottom = 0; 1583 } else { 1584 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1585 .abs(getLineCount() - 1 - line))); 1586 } 1587 // Align the alternates popup with the left side of the View, 1588 // regardless of the position of the chip tapped. 1589 alternatesPopup.setWidth(width); 1590 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1591 alternatesPopup.setVerticalOffset(bottom); 1592 alternatesPopup.setAdapter(result); 1593 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1594 // Clear the checked item. 1595 mCheckedItem = -1; 1596 alternatesPopup.show(); 1597 ListView listView = alternatesPopup.getListView(); 1598 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1599 // Checked item would be -1 if the adapter has not 1600 // loaded the view that should be checked yet. The 1601 // variable will be set correctly when onCheckedItemChanged 1602 // is called in a separate thread. 1603 if (mCheckedItem != -1) { 1604 listView.setItemChecked(mCheckedItem, true); 1605 mCheckedItem = -1; 1606 } 1607 } 1608 }.execute((Void[]) null); 1609 } 1610 1611 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1612 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), 1613 chip.getDirectoryId(), chip.getLookupKey(), chip.getDataId(), 1614 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1615 } 1616 1617 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1618 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1619 mDropdownChipLayouter); 1620 } 1621 1622 @Override 1623 public void onCheckedItemChanged(int position) { 1624 ListView listView = mAlternatesPopup.getListView(); 1625 if (listView != null && listView.getCheckedItemCount() == 0) { 1626 listView.setItemChecked(position, true); 1627 } 1628 mCheckedItem = position; 1629 } 1630 1631 private int putOffsetInRange(final float x, final float y) { 1632 final int offset; 1633 1634 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1635 offset = getOffsetForPosition(x, y); 1636 } else { 1637 offset = supportGetOffsetForPosition(x, y); 1638 } 1639 1640 return putOffsetInRange(offset); 1641 } 1642 1643 // TODO: This algorithm will need a lot of tweaking after more people have used 1644 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1645 // what comes before the finger. 1646 private int putOffsetInRange(int o) { 1647 int offset = o; 1648 Editable text = getText(); 1649 int length = text.length(); 1650 // Remove whitespace from end to find "real end" 1651 int realLength = length; 1652 for (int i = length - 1; i >= 0; i--) { 1653 if (text.charAt(i) == ' ') { 1654 realLength--; 1655 } else { 1656 break; 1657 } 1658 } 1659 1660 // If the offset is beyond or at the end of the text, 1661 // leave it alone. 1662 if (offset >= realLength) { 1663 return offset; 1664 } 1665 Editable editable = getText(); 1666 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1667 // Keep walking backward! 1668 offset--; 1669 } 1670 return offset; 1671 } 1672 1673 private static int findText(Editable text, int offset) { 1674 if (text.charAt(offset) != ' ') { 1675 return offset; 1676 } 1677 return -1; 1678 } 1679 1680 private DrawableRecipientChip findChip(int offset) { 1681 DrawableRecipientChip[] chips = 1682 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1683 // Find the chip that contains this offset. 1684 for (int i = 0; i < chips.length; i++) { 1685 DrawableRecipientChip chip = chips[i]; 1686 int start = getChipStart(chip); 1687 int end = getChipEnd(chip); 1688 if (offset >= start && offset <= end) { 1689 return chip; 1690 } 1691 } 1692 return null; 1693 } 1694 1695 // Visible for testing. 1696 // Use this method to generate text to add to the list of addresses. 1697 /* package */String createAddressText(RecipientEntry entry) { 1698 String display = entry.getDisplayName(); 1699 String address = entry.getDestination(); 1700 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1701 display = null; 1702 } 1703 String trimmedDisplayText; 1704 if (isPhoneQuery() && isPhoneNumber(address)) { 1705 trimmedDisplayText = address.trim(); 1706 } else { 1707 if (address != null) { 1708 // Tokenize out the address in case the address already 1709 // contained the username as well. 1710 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1711 if (tokenized != null && tokenized.length > 0) { 1712 address = tokenized[0].getAddress(); 1713 } 1714 } 1715 Rfc822Token token = new Rfc822Token(display, address, null); 1716 trimmedDisplayText = token.toString().trim(); 1717 } 1718 int index = trimmedDisplayText.indexOf(","); 1719 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1720 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1721 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1722 } 1723 1724 // Visible for testing. 1725 // Use this method to generate text to display in a chip. 1726 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1727 String display = entry.getDisplayName(); 1728 String address = entry.getDestination(); 1729 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1730 display = null; 1731 } 1732 if (!TextUtils.isEmpty(display)) { 1733 return display; 1734 } else if (!TextUtils.isEmpty(address)){ 1735 return address; 1736 } else { 1737 return new Rfc822Token(display, address, null).toString(); 1738 } 1739 } 1740 1741 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1742 String displayText = createAddressText(entry); 1743 if (TextUtils.isEmpty(displayText)) { 1744 return null; 1745 } 1746 SpannableString chipText = null; 1747 // Always leave a blank space at the end of a chip. 1748 int textLength = displayText.length() - 1; 1749 chipText = new SpannableString(displayText); 1750 if (!mNoChips) { 1751 try { 1752 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1753 false /* leave space for contact icon */); 1754 chipText.setSpan(chip, 0, textLength, 1755 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1756 chip.setOriginalText(chipText.toString()); 1757 } catch (NullPointerException e) { 1758 Log.e(TAG, e.getMessage(), e); 1759 return null; 1760 } 1761 } 1762 return chipText; 1763 } 1764 1765 /** 1766 * When an item in the suggestions list has been clicked, create a chip from the 1767 * contact information of the selected item. 1768 */ 1769 @Override 1770 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1771 if (position < 0) { 1772 return; 1773 } 1774 submitItemAtPosition(position); 1775 } 1776 1777 private void submitItemAtPosition(int position) { 1778 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1779 if (entry == null) { 1780 return; 1781 } 1782 clearComposingText(); 1783 1784 int end = getSelectionEnd(); 1785 int start = mTokenizer.findTokenStart(getText(), end); 1786 1787 Editable editable = getText(); 1788 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1789 CharSequence chip = createChip(entry, false); 1790 if (chip != null && start >= 0 && end >= 0) { 1791 editable.replace(start, end, chip); 1792 } 1793 sanitizeBetween(); 1794 } 1795 1796 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1797 if (item == null) { 1798 return null; 1799 } 1800 final RecipientEntry entry; 1801 // If the display name and the address are the same, or if this is a 1802 // valid contact, but the destination is invalid, then make this a fake 1803 // recipient that is editable. 1804 String destination = item.getDestination(); 1805 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1806 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1807 destination, item.isValid()); 1808 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1809 && (TextUtils.isEmpty(item.getDisplayName()) 1810 || TextUtils.equals(item.getDisplayName(), destination) 1811 || (mValidator != null && !mValidator.isValid(destination)))) { 1812 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1813 } else { 1814 entry = item; 1815 } 1816 return entry; 1817 } 1818 1819 /** Returns a collection of contact Id for each chip inside this View. */ 1820 /* package */ Collection<Long> getContactIds() { 1821 final Set<Long> result = new HashSet<Long>(); 1822 DrawableRecipientChip[] chips = getSortedRecipients(); 1823 if (chips != null) { 1824 for (DrawableRecipientChip chip : chips) { 1825 result.add(chip.getContactId()); 1826 } 1827 } 1828 return result; 1829 } 1830 1831 1832 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1833 /* package */ Collection<Long> getDataIds() { 1834 final Set<Long> result = new HashSet<Long>(); 1835 DrawableRecipientChip [] chips = getSortedRecipients(); 1836 if (chips != null) { 1837 for (DrawableRecipientChip chip : chips) { 1838 result.add(chip.getDataId()); 1839 } 1840 } 1841 return result; 1842 } 1843 1844 // Visible for testing. 1845 /* package */DrawableRecipientChip[] getSortedRecipients() { 1846 DrawableRecipientChip[] recips = getSpannable() 1847 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1848 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1849 Arrays.asList(recips)); 1850 final Spannable spannable = getSpannable(); 1851 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1852 1853 @Override 1854 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1855 int firstStart = spannable.getSpanStart(first); 1856 int secondStart = spannable.getSpanStart(second); 1857 if (firstStart < secondStart) { 1858 return -1; 1859 } else if (firstStart > secondStart) { 1860 return 1; 1861 } else { 1862 return 0; 1863 } 1864 } 1865 }); 1866 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1867 } 1868 1869 @Override 1870 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1871 return false; 1872 } 1873 1874 @Override 1875 public void onDestroyActionMode(ActionMode mode) { 1876 } 1877 1878 @Override 1879 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1880 return false; 1881 } 1882 1883 /** 1884 * No chips are selectable. 1885 */ 1886 @Override 1887 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1888 return false; 1889 } 1890 1891 // Visible for testing. 1892 /* package */ImageSpan getMoreChip() { 1893 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1894 MoreImageSpan.class); 1895 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1896 } 1897 1898 private MoreImageSpan createMoreSpan(int count) { 1899 String moreText = String.format(mMoreItem.getText().toString(), count); 1900 TextPaint morePaint = new TextPaint(getPaint()); 1901 morePaint.setTextSize(mMoreItem.getTextSize()); 1902 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1903 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1904 + mMoreItem.getPaddingRight(); 1905 int height = getLineHeight(); 1906 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1907 Canvas canvas = new Canvas(drawable); 1908 int adjustedHeight = height; 1909 Layout layout = getLayout(); 1910 if (layout != null) { 1911 adjustedHeight -= layout.getLineDescent(0); 1912 } 1913 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1914 1915 Drawable result = new BitmapDrawable(getResources(), drawable); 1916 result.setBounds(0, 0, width, height); 1917 return new MoreImageSpan(result); 1918 } 1919 1920 // Visible for testing. 1921 /*package*/ void createMoreChipPlainText() { 1922 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1923 Editable text = getText(); 1924 int start = 0; 1925 int end = start; 1926 for (int i = 0; i < CHIP_LIMIT; i++) { 1927 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1928 start = end; // move to the next token and get its end. 1929 } 1930 // Now, count total addresses. 1931 start = 0; 1932 int tokenCount = countTokens(text); 1933 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1934 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1935 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1936 text.replace(end, text.length(), chipText); 1937 mMoreChip = moreSpan; 1938 } 1939 1940 // Visible for testing. 1941 /* package */int countTokens(Editable text) { 1942 int tokenCount = 0; 1943 int start = 0; 1944 while (start < text.length()) { 1945 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1946 tokenCount++; 1947 if (start >= text.length()) { 1948 break; 1949 } 1950 } 1951 return tokenCount; 1952 } 1953 1954 /** 1955 * Create the more chip. The more chip is text that replaces any chips that 1956 * do not fit in the pre-defined available space when the 1957 * RecipientEditTextView loses focus. 1958 */ 1959 // Visible for testing. 1960 /* package */ void createMoreChip() { 1961 if (mNoChips) { 1962 createMoreChipPlainText(); 1963 return; 1964 } 1965 1966 if (!mShouldShrink) { 1967 return; 1968 } 1969 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1970 if (tempMore.length > 0) { 1971 getSpannable().removeSpan(tempMore[0]); 1972 } 1973 DrawableRecipientChip[] recipients = getSortedRecipients(); 1974 1975 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1976 mMoreChip = null; 1977 return; 1978 } 1979 Spannable spannable = getSpannable(); 1980 int numRecipients = recipients.length; 1981 int overage = numRecipients - CHIP_LIMIT; 1982 MoreImageSpan moreSpan = createMoreSpan(overage); 1983 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1984 int totalReplaceStart = 0; 1985 int totalReplaceEnd = 0; 1986 Editable text = getText(); 1987 for (int i = numRecipients - overage; i < recipients.length; i++) { 1988 mRemovedSpans.add(recipients[i]); 1989 if (i == numRecipients - overage) { 1990 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1991 } 1992 if (i == recipients.length - 1) { 1993 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1994 } 1995 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1996 int spanStart = spannable.getSpanStart(recipients[i]); 1997 int spanEnd = spannable.getSpanEnd(recipients[i]); 1998 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1999 } 2000 spannable.removeSpan(recipients[i]); 2001 } 2002 if (totalReplaceEnd < text.length()) { 2003 totalReplaceEnd = text.length(); 2004 } 2005 int end = Math.max(totalReplaceStart, totalReplaceEnd); 2006 int start = Math.min(totalReplaceStart, totalReplaceEnd); 2007 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 2008 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2009 text.replace(start, end, chipText); 2010 mMoreChip = moreSpan; 2011 // If adding the +more chip goes over the limit, resize accordingly. 2012 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 2013 setMaxLines(getLineCount()); 2014 } 2015 } 2016 2017 /** 2018 * Replace the more chip, if it exists, with all of the recipient chips it had 2019 * replaced when the RecipientEditTextView gains focus. 2020 */ 2021 // Visible for testing. 2022 /*package*/ void removeMoreChip() { 2023 if (mMoreChip != null) { 2024 Spannable span = getSpannable(); 2025 span.removeSpan(mMoreChip); 2026 mMoreChip = null; 2027 // Re-add the spans that were removed. 2028 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 2029 // Recreate each removed span. 2030 DrawableRecipientChip[] recipients = getSortedRecipients(); 2031 // Start the search for tokens after the last currently visible 2032 // chip. 2033 if (recipients == null || recipients.length == 0) { 2034 return; 2035 } 2036 int end = span.getSpanEnd(recipients[recipients.length - 1]); 2037 Editable editable = getText(); 2038 for (DrawableRecipientChip chip : mRemovedSpans) { 2039 int chipStart; 2040 int chipEnd; 2041 String token; 2042 // Need to find the location of the chip, again. 2043 token = (String) chip.getOriginalText(); 2044 // As we find the matching recipient for the remove spans, 2045 // reduce the size of the string we need to search. 2046 // That way, if there are duplicates, we always find the correct 2047 // recipient. 2048 chipStart = editable.toString().indexOf(token, end); 2049 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2050 // Only set the span if we found a matching token. 2051 if (chipStart != -1) { 2052 editable.setSpan(chip, chipStart, chipEnd, 2053 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2054 } 2055 } 2056 mRemovedSpans.clear(); 2057 } 2058 } 2059 } 2060 2061 /** 2062 * Show specified chip as selected. If the RecipientChip is just an email address, 2063 * selecting the chip will take the contents of the chip and place it at 2064 * the end of the RecipientEditTextView for inline editing. If the 2065 * RecipientChip is a complete contact, then selecting the chip 2066 * will change the background color of the chip, show the delete icon, 2067 * and a popup window with the address in use highlighted and any other 2068 * alternate addresses for the contact. 2069 * @param currentChip Chip to select. 2070 * @return A RecipientChip in the selected state or null if the chip 2071 * just contained an email address. 2072 */ 2073 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2074 if (shouldShowEditableText(currentChip)) { 2075 CharSequence text = currentChip.getValue(); 2076 Editable editable = getText(); 2077 Spannable spannable = getSpannable(); 2078 int spanStart = spannable.getSpanStart(currentChip); 2079 int spanEnd = spannable.getSpanEnd(currentChip); 2080 spannable.removeSpan(currentChip); 2081 editable.delete(spanStart, spanEnd); 2082 setCursorVisible(true); 2083 setSelection(editable.length()); 2084 editable.append(text); 2085 return constructChipSpan( 2086 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2087 true, false); 2088 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 2089 int start = getChipStart(currentChip); 2090 int end = getChipEnd(currentChip); 2091 getSpannable().removeSpan(currentChip); 2092 DrawableRecipientChip newChip; 2093 try { 2094 if (mNoChips) { 2095 return null; 2096 } 2097 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2098 } catch (NullPointerException e) { 2099 Log.e(TAG, e.getMessage(), e); 2100 return null; 2101 } 2102 Editable editable = getText(); 2103 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2104 if (start == -1 || end == -1) { 2105 Log.d(TAG, "The chip being selected no longer exists but should."); 2106 } else { 2107 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2108 } 2109 newChip.setSelected(true); 2110 if (shouldShowEditableText(newChip)) { 2111 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2112 } 2113 showAddress(newChip, mAddressPopup, getWidth()); 2114 setCursorVisible(false); 2115 return newChip; 2116 } else { 2117 int start = getChipStart(currentChip); 2118 int end = getChipEnd(currentChip); 2119 getSpannable().removeSpan(currentChip); 2120 DrawableRecipientChip newChip; 2121 try { 2122 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2123 } catch (NullPointerException e) { 2124 Log.e(TAG, e.getMessage(), e); 2125 return null; 2126 } 2127 Editable editable = getText(); 2128 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2129 if (start == -1 || end == -1) { 2130 Log.d(TAG, "The chip being selected no longer exists but should."); 2131 } else { 2132 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2133 } 2134 newChip.setSelected(true); 2135 if (shouldShowEditableText(newChip)) { 2136 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2137 } 2138 showAlternates(newChip, mAlternatesPopup, getWidth()); 2139 setCursorVisible(false); 2140 return newChip; 2141 } 2142 } 2143 2144 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2145 long contactId = currentChip.getContactId(); 2146 return contactId == RecipientEntry.INVALID_CONTACT 2147 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2148 } 2149 2150 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2151 int width) { 2152 if (!mAttachedToWindow) { 2153 return; 2154 } 2155 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2156 int bottom = calculateOffsetFromBottom(line); 2157 // Align the alternates popup with the left side of the View, 2158 // regardless of the position of the chip tapped. 2159 popup.setWidth(width); 2160 popup.setAnchorView(this); 2161 popup.setVerticalOffset(bottom); 2162 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2163 popup.setOnItemClickListener(new OnItemClickListener() { 2164 @Override 2165 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2166 unselectChip(currentChip); 2167 popup.dismiss(); 2168 } 2169 }); 2170 popup.show(); 2171 ListView listView = popup.getListView(); 2172 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2173 listView.setItemChecked(0, true); 2174 } 2175 2176 /** 2177 * Remove selection from this chip. Unselecting a RecipientChip will render 2178 * the chip without a delete icon and with an unfocused background. This is 2179 * called when the RecipientChip no longer has focus. 2180 */ 2181 private void unselectChip(DrawableRecipientChip chip) { 2182 int start = getChipStart(chip); 2183 int end = getChipEnd(chip); 2184 Editable editable = getText(); 2185 mSelectedChip = null; 2186 if (start == -1 || end == -1) { 2187 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2188 setSelection(editable.length()); 2189 commitDefault(); 2190 } else { 2191 getSpannable().removeSpan(chip); 2192 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2193 editable.removeSpan(chip); 2194 try { 2195 if (!mNoChips) { 2196 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2197 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2198 } 2199 } catch (NullPointerException e) { 2200 Log.e(TAG, e.getMessage(), e); 2201 } 2202 } 2203 setCursorVisible(true); 2204 setSelection(editable.length()); 2205 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2206 mAlternatesPopup.dismiss(); 2207 } 2208 } 2209 2210 /** 2211 * Return whether a touch event was inside the delete target of 2212 * a selected chip. It is in the delete target if: 2213 * 1) the x and y points of the event are within the 2214 * delete assset. 2215 * 2) the point tapped would have caused a cursor to appear 2216 * right after the selected chip. 2217 * @return boolean 2218 */ 2219 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2220 // Figure out the bounds of this chip and whether or not 2221 // the user clicked in the X portion. 2222 // TODO: Should x and y be used, or removed? 2223 if (mDisableDelete) { 2224 return false; 2225 } 2226 2227 return chip.isSelected() && 2228 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2229 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2230 } 2231 2232 /** 2233 * Remove the chip and any text associated with it from the RecipientEditTextView. 2234 */ 2235 // Visible for testing. 2236 /* package */void removeChip(DrawableRecipientChip chip) { 2237 Spannable spannable = getSpannable(); 2238 int spanStart = spannable.getSpanStart(chip); 2239 int spanEnd = spannable.getSpanEnd(chip); 2240 Editable text = getText(); 2241 int toDelete = spanEnd; 2242 boolean wasSelected = chip == mSelectedChip; 2243 // Clear that there is a selected chip before updating any text. 2244 if (wasSelected) { 2245 mSelectedChip = null; 2246 } 2247 // Always remove trailing spaces when removing a chip. 2248 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2249 toDelete++; 2250 } 2251 spannable.removeSpan(chip); 2252 if (spanStart >= 0 && toDelete > 0) { 2253 text.delete(spanStart, toDelete); 2254 } 2255 if (wasSelected) { 2256 clearSelectedChip(); 2257 } 2258 } 2259 2260 /** 2261 * Replace this currently selected chip with a new chip 2262 * that uses the contact data provided. 2263 */ 2264 // Visible for testing. 2265 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2266 boolean wasSelected = chip == mSelectedChip; 2267 if (wasSelected) { 2268 mSelectedChip = null; 2269 } 2270 int start = getChipStart(chip); 2271 int end = getChipEnd(chip); 2272 getSpannable().removeSpan(chip); 2273 Editable editable = getText(); 2274 CharSequence chipText = createChip(entry, false); 2275 if (chipText != null) { 2276 if (start == -1 || end == -1) { 2277 Log.e(TAG, "The chip to replace does not exist but should."); 2278 editable.insert(0, chipText); 2279 } else { 2280 if (!TextUtils.isEmpty(chipText)) { 2281 // There may be a space to replace with this chip's new 2282 // associated space. Check for it 2283 int toReplace = end; 2284 while (toReplace >= 0 && toReplace < editable.length() 2285 && editable.charAt(toReplace) == ' ') { 2286 toReplace++; 2287 } 2288 editable.replace(start, toReplace, chipText); 2289 } 2290 } 2291 } 2292 setCursorVisible(true); 2293 if (wasSelected) { 2294 clearSelectedChip(); 2295 } 2296 } 2297 2298 /** 2299 * Handle click events for a chip. When a selected chip receives a click 2300 * event, see if that event was in the delete icon. If so, delete it. 2301 * Otherwise, unselect the chip. 2302 */ 2303 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2304 if (chip.isSelected()) { 2305 if (isInDelete(chip, offset, x, y)) { 2306 removeChip(chip); 2307 } else { 2308 clearSelectedChip(); 2309 } 2310 } 2311 } 2312 2313 private boolean chipsPending() { 2314 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2315 } 2316 2317 @Override 2318 public void removeTextChangedListener(TextWatcher watcher) { 2319 mTextWatcher = null; 2320 super.removeTextChangedListener(watcher); 2321 } 2322 2323 private boolean isValidEmailAddress(String input) { 2324 return !TextUtils.isEmpty(input) && mValidator != null && 2325 mValidator.isValid(input); 2326 } 2327 2328 private class RecipientTextWatcher implements TextWatcher { 2329 2330 @Override 2331 public void afterTextChanged(Editable s) { 2332 // If the text has been set to null or empty, make sure we remove 2333 // all the spans we applied. 2334 if (TextUtils.isEmpty(s)) { 2335 // Remove all the chips spans. 2336 Spannable spannable = getSpannable(); 2337 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2338 DrawableRecipientChip.class); 2339 for (DrawableRecipientChip chip : chips) { 2340 spannable.removeSpan(chip); 2341 } 2342 if (mMoreChip != null) { 2343 spannable.removeSpan(mMoreChip); 2344 } 2345 clearSelectedChip(); 2346 return; 2347 } 2348 // Get whether there are any recipients pending addition to the 2349 // view. If there are, don't do anything in the text watcher. 2350 if (chipsPending()) { 2351 return; 2352 } 2353 // If the user is editing a chip, don't clear it. 2354 if (mSelectedChip != null) { 2355 if (!isGeneratedContact(mSelectedChip)) { 2356 setCursorVisible(true); 2357 setSelection(getText().length()); 2358 clearSelectedChip(); 2359 } else { 2360 return; 2361 } 2362 } 2363 int length = s.length(); 2364 // Make sure there is content there to parse and that it is 2365 // not just the commit character. 2366 if (length > 1) { 2367 if (lastCharacterIsCommitCharacter(s)) { 2368 commitByCharacter(); 2369 return; 2370 } 2371 char last; 2372 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2373 int len = length() - 1; 2374 if (end != len) { 2375 last = s.charAt(end); 2376 } else { 2377 last = s.charAt(len); 2378 } 2379 if (last == COMMIT_CHAR_SPACE) { 2380 if (!isPhoneQuery()) { 2381 // Check if this is a valid email address. If it is, 2382 // commit it. 2383 String text = getText().toString(); 2384 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2385 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2386 tokenStart)); 2387 if (isValidEmailAddress(sub)) { 2388 commitByCharacter(); 2389 } 2390 } 2391 } 2392 } 2393 } 2394 2395 @Override 2396 public void onTextChanged(CharSequence s, int start, int before, int count) { 2397 // The user deleted some text OR some text was replaced; check to 2398 // see if the insertion point is on a space 2399 // following a chip. 2400 if (before - count == 1) { 2401 // If the item deleted is a space, and the thing before the 2402 // space is a chip, delete the entire span. 2403 int selStart = getSelectionStart(); 2404 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2405 DrawableRecipientChip.class); 2406 if (repl.length > 0) { 2407 // There is a chip there! Just remove it. 2408 Editable editable = getText(); 2409 // Add the separator token. 2410 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2411 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2412 tokenEnd = tokenEnd + 1; 2413 if (tokenEnd > editable.length()) { 2414 tokenEnd = editable.length(); 2415 } 2416 editable.delete(tokenStart, tokenEnd); 2417 getSpannable().removeSpan(repl[0]); 2418 } 2419 } else if (count > before) { 2420 if (mSelectedChip != null 2421 && isGeneratedContact(mSelectedChip)) { 2422 if (lastCharacterIsCommitCharacter(s)) { 2423 commitByCharacter(); 2424 return; 2425 } 2426 } 2427 } 2428 } 2429 2430 @Override 2431 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2432 // Do nothing. 2433 } 2434 } 2435 2436 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2437 char last; 2438 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2439 int len = length() - 1; 2440 if (end != len) { 2441 last = s.charAt(end); 2442 } else { 2443 last = s.charAt(len); 2444 } 2445 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2446 } 2447 2448 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2449 long contactId = chip.getContactId(); 2450 return contactId == RecipientEntry.INVALID_CONTACT 2451 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2452 } 2453 2454 /** 2455 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2456 */ 2457 private void handlePasteClip(ClipData clip) { 2458 removeTextChangedListener(mTextWatcher); 2459 2460 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2461 for (int i = 0; i < clip.getItemCount(); i++) { 2462 CharSequence paste = clip.getItemAt(i).getText(); 2463 if (paste != null) { 2464 int start = getSelectionStart(); 2465 int end = getSelectionEnd(); 2466 Editable editable = getText(); 2467 if (start >= 0 && end >= 0 && start != end) { 2468 editable.append(paste, start, end); 2469 } else { 2470 editable.insert(end, paste); 2471 } 2472 handlePasteAndReplace(); 2473 } 2474 } 2475 } 2476 2477 mHandler.post(mAddTextWatcher); 2478 } 2479 2480 @Override 2481 public boolean onTextContextMenuItem(int id) { 2482 if (id == android.R.id.paste) { 2483 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2484 Context.CLIPBOARD_SERVICE); 2485 handlePasteClip(clipboard.getPrimaryClip()); 2486 return true; 2487 } 2488 return super.onTextContextMenuItem(id); 2489 } 2490 2491 private void handlePasteAndReplace() { 2492 ArrayList<DrawableRecipientChip> created = handlePaste(); 2493 if (created != null && created.size() > 0) { 2494 // Perform reverse lookups on the pasted contacts. 2495 IndividualReplacementTask replace = new IndividualReplacementTask(); 2496 replace.execute(created); 2497 } 2498 } 2499 2500 // Visible for testing. 2501 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2502 String text = getText().toString(); 2503 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2504 String lastAddress = text.substring(originalTokenStart); 2505 int tokenStart = originalTokenStart; 2506 int prevTokenStart = 0; 2507 DrawableRecipientChip findChip = null; 2508 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2509 if (tokenStart != 0) { 2510 // There are things before this! 2511 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2512 prevTokenStart = tokenStart; 2513 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2514 findChip = findChip(tokenStart); 2515 if (tokenStart == originalTokenStart && findChip == null) { 2516 break; 2517 } 2518 } 2519 if (tokenStart != originalTokenStart) { 2520 if (findChip != null) { 2521 tokenStart = prevTokenStart; 2522 } 2523 int tokenEnd; 2524 DrawableRecipientChip createdChip; 2525 while (tokenStart < originalTokenStart) { 2526 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2527 tokenStart)); 2528 commitChip(tokenStart, tokenEnd, getText()); 2529 createdChip = findChip(tokenStart); 2530 if (createdChip == null) { 2531 break; 2532 } 2533 // +1 for the space at the end. 2534 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2535 created.add(createdChip); 2536 } 2537 } 2538 } 2539 // Take a look at the last token. If the token has been completed with a 2540 // commit character, create a chip. 2541 if (isCompletedToken(lastAddress)) { 2542 Editable editable = getText(); 2543 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2544 commitChip(tokenStart, editable.length(), editable); 2545 created.add(findChip(tokenStart)); 2546 } 2547 return created; 2548 } 2549 2550 // Visible for testing. 2551 /* package */int movePastTerminators(int tokenEnd) { 2552 if (tokenEnd >= length()) { 2553 return tokenEnd; 2554 } 2555 char atEnd = getText().toString().charAt(tokenEnd); 2556 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2557 tokenEnd++; 2558 } 2559 // This token had not only an end token character, but also a space 2560 // separating it from the next token. 2561 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2562 tokenEnd++; 2563 } 2564 return tokenEnd; 2565 } 2566 2567 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2568 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2569 try { 2570 if (mNoChips) { 2571 return null; 2572 } 2573 return constructChipSpan(entry, false, 2574 false /*leave space for contact icon */); 2575 } catch (NullPointerException e) { 2576 Log.e(TAG, e.getMessage(), e); 2577 return null; 2578 } 2579 } 2580 2581 @Override 2582 protected void onPreExecute() { 2583 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2584 // replaced 2585 final List<DrawableRecipientChip> originalRecipients = 2586 new ArrayList<DrawableRecipientChip>(); 2587 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2588 for (int i = 0; i < existingChips.length; i++) { 2589 originalRecipients.add(existingChips[i]); 2590 } 2591 if (mRemovedSpans != null) { 2592 originalRecipients.addAll(mRemovedSpans); 2593 } 2594 2595 final List<DrawableRecipientChip> replacements = 2596 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2597 2598 for (final DrawableRecipientChip chip : originalRecipients) { 2599 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2600 && getSpannable().getSpanStart(chip) != -1) { 2601 replacements.add(createFreeChip(chip.getEntry())); 2602 } else { 2603 replacements.add(null); 2604 } 2605 } 2606 2607 processReplacements(originalRecipients, replacements); 2608 } 2609 2610 @Override 2611 protected Void doInBackground(Void... params) { 2612 if (mIndividualReplacements != null) { 2613 mIndividualReplacements.cancel(true); 2614 } 2615 // For each chip in the list, look up the matching contact. 2616 // If there is a match, replace that chip with the matching 2617 // chip. 2618 final ArrayList<DrawableRecipientChip> recipients = 2619 new ArrayList<DrawableRecipientChip>(); 2620 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2621 for (int i = 0; i < existingChips.length; i++) { 2622 recipients.add(existingChips[i]); 2623 } 2624 if (mRemovedSpans != null) { 2625 recipients.addAll(mRemovedSpans); 2626 } 2627 ArrayList<String> addresses = new ArrayList<String>(); 2628 DrawableRecipientChip chip; 2629 for (int i = 0; i < recipients.size(); i++) { 2630 chip = recipients.get(i); 2631 if (chip != null) { 2632 addresses.add(createAddressText(chip.getEntry())); 2633 } 2634 } 2635 final BaseRecipientAdapter adapter = getAdapter(); 2636 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2637 adapter.getAccount(), new RecipientMatchCallback() { 2638 @Override 2639 public void matchesFound(Map<String, RecipientEntry> entries) { 2640 final ArrayList<DrawableRecipientChip> replacements = 2641 new ArrayList<DrawableRecipientChip>(); 2642 for (final DrawableRecipientChip temp : recipients) { 2643 RecipientEntry entry = null; 2644 if (temp != null && RecipientEntry.isCreatedRecipient( 2645 temp.getEntry().getContactId()) 2646 && getSpannable().getSpanStart(temp) != -1) { 2647 // Replace this. 2648 entry = createValidatedEntry( 2649 entries.get(tokenizeAddress(temp.getEntry() 2650 .getDestination()))); 2651 } 2652 if (entry != null) { 2653 replacements.add(createFreeChip(entry)); 2654 } else { 2655 replacements.add(null); 2656 } 2657 } 2658 processReplacements(recipients, replacements); 2659 } 2660 2661 @Override 2662 public void matchesNotFound(final Set<String> unfoundAddresses) { 2663 final List<DrawableRecipientChip> replacements = 2664 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2665 2666 for (final DrawableRecipientChip temp : recipients) { 2667 if (temp != null && RecipientEntry.isCreatedRecipient( 2668 temp.getEntry().getContactId()) 2669 && getSpannable().getSpanStart(temp) != -1) { 2670 if (unfoundAddresses.contains( 2671 temp.getEntry().getDestination())) { 2672 replacements.add(createFreeChip(temp.getEntry())); 2673 } else { 2674 replacements.add(null); 2675 } 2676 } else { 2677 replacements.add(null); 2678 } 2679 } 2680 2681 processReplacements(recipients, replacements); 2682 } 2683 }); 2684 return null; 2685 } 2686 2687 private void processReplacements(final List<DrawableRecipientChip> recipients, 2688 final List<DrawableRecipientChip> replacements) { 2689 if (replacements != null && replacements.size() > 0) { 2690 final Runnable runnable = new Runnable() { 2691 @Override 2692 public void run() { 2693 final Editable text = new SpannableStringBuilder(getText()); 2694 int i = 0; 2695 for (final DrawableRecipientChip chip : recipients) { 2696 final DrawableRecipientChip replacement = replacements.get(i); 2697 if (replacement != null) { 2698 final RecipientEntry oldEntry = chip.getEntry(); 2699 final RecipientEntry newEntry = replacement.getEntry(); 2700 final boolean isBetter = 2701 RecipientAlternatesAdapter.getBetterRecipient( 2702 oldEntry, newEntry) == newEntry; 2703 2704 if (isBetter) { 2705 // Find the location of the chip in the text currently shown. 2706 final int start = text.getSpanStart(chip); 2707 if (start != -1) { 2708 // Replacing the entirety of what the chip represented, 2709 // including the extra space dividing it from other chips. 2710 final int end = 2711 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2712 text.removeSpan(chip); 2713 // Make sure we always have just 1 space at the end to 2714 // separate this chip from the next chip. 2715 final SpannableString displayText = 2716 new SpannableString(createAddressText( 2717 replacement.getEntry()).trim() + " "); 2718 displayText.setSpan(replacement, 0, 2719 displayText.length() - 1, 2720 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2721 // Replace the old text we found with with the new display 2722 // text, which now may also contain the display name of the 2723 // recipient. 2724 text.replace(start, end, displayText); 2725 replacement.setOriginalText(displayText.toString()); 2726 replacements.set(i, null); 2727 2728 recipients.set(i, replacement); 2729 } 2730 } 2731 } 2732 i++; 2733 } 2734 setText(text); 2735 } 2736 }; 2737 2738 if (Looper.myLooper() == Looper.getMainLooper()) { 2739 runnable.run(); 2740 } else { 2741 mHandler.post(runnable); 2742 } 2743 } 2744 } 2745 } 2746 2747 private class IndividualReplacementTask 2748 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2749 @Override 2750 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2751 // For each chip in the list, look up the matching contact. 2752 // If there is a match, replace that chip with the matching 2753 // chip. 2754 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2755 ArrayList<String> addresses = new ArrayList<String>(); 2756 DrawableRecipientChip chip; 2757 for (int i = 0; i < originalRecipients.size(); i++) { 2758 chip = originalRecipients.get(i); 2759 if (chip != null) { 2760 addresses.add(createAddressText(chip.getEntry())); 2761 } 2762 } 2763 final BaseRecipientAdapter adapter = getAdapter(); 2764 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2765 adapter.getAccount(), 2766 new RecipientMatchCallback() { 2767 2768 @Override 2769 public void matchesFound(Map<String, RecipientEntry> entries) { 2770 for (final DrawableRecipientChip temp : originalRecipients) { 2771 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2772 .getContactId()) 2773 && getSpannable().getSpanStart(temp) != -1) { 2774 // Replace this. 2775 final RecipientEntry entry = createValidatedEntry(entries 2776 .get(tokenizeAddress(temp.getEntry().getDestination()) 2777 .toLowerCase())); 2778 if (entry != null) { 2779 mHandler.post(new Runnable() { 2780 @Override 2781 public void run() { 2782 replaceChip(temp, entry); 2783 } 2784 }); 2785 } 2786 } 2787 } 2788 } 2789 2790 @Override 2791 public void matchesNotFound(final Set<String> unfoundAddresses) { 2792 // No action required 2793 } 2794 }); 2795 return null; 2796 } 2797 } 2798 2799 2800 /** 2801 * MoreImageSpan is a simple class created for tracking the existence of a 2802 * more chip across activity restarts/ 2803 */ 2804 private class MoreImageSpan extends ImageSpan { 2805 public MoreImageSpan(Drawable b) { 2806 super(b); 2807 } 2808 } 2809 2810 @Override 2811 public boolean onDown(MotionEvent e) { 2812 return false; 2813 } 2814 2815 @Override 2816 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2817 // Do nothing. 2818 return false; 2819 } 2820 2821 @Override 2822 public void onLongPress(MotionEvent event) { 2823 if (mSelectedChip != null) { 2824 return; 2825 } 2826 float x = event.getX(); 2827 float y = event.getY(); 2828 final int offset = putOffsetInRange(x, y); 2829 DrawableRecipientChip currentChip = findChip(offset); 2830 if (currentChip != null) { 2831 if (mDragEnabled) { 2832 // Start drag-and-drop for the selected chip. 2833 startDrag(currentChip); 2834 } else { 2835 // Copy the selected chip email address. 2836 showCopyDialog(currentChip.getEntry().getDestination()); 2837 } 2838 } 2839 } 2840 2841 // The following methods are used to provide some functionality on older versions of Android 2842 // These methods were copied out of JB MR2's TextView 2843 ///////////////////////////////////////////////// 2844 private int supportGetOffsetForPosition(float x, float y) { 2845 if (getLayout() == null) return -1; 2846 final int line = supportGetLineAtCoordinate(y); 2847 final int offset = supportGetOffsetAtCoordinate(line, x); 2848 return offset; 2849 } 2850 2851 private float supportConvertToLocalHorizontalCoordinate(float x) { 2852 x -= getTotalPaddingLeft(); 2853 // Clamp the position to inside of the view. 2854 x = Math.max(0.0f, x); 2855 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2856 x += getScrollX(); 2857 return x; 2858 } 2859 2860 private int supportGetLineAtCoordinate(float y) { 2861 y -= getTotalPaddingLeft(); 2862 // Clamp the position to inside of the view. 2863 y = Math.max(0.0f, y); 2864 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2865 y += getScrollY(); 2866 return getLayout().getLineForVertical((int) y); 2867 } 2868 2869 private int supportGetOffsetAtCoordinate(int line, float x) { 2870 x = supportConvertToLocalHorizontalCoordinate(x); 2871 return getLayout().getOffsetForHorizontal(line, x); 2872 } 2873 ///////////////////////////////////////////////// 2874 2875 /** 2876 * Enables drag-and-drop for chips. 2877 */ 2878 public void enableDrag() { 2879 mDragEnabled = true; 2880 } 2881 2882 /** 2883 * Starts drag-and-drop for the selected chip. 2884 */ 2885 private void startDrag(DrawableRecipientChip currentChip) { 2886 String address = currentChip.getEntry().getDestination(); 2887 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2888 2889 // Start drag mode. 2890 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2891 2892 // Remove the current chip, so drag-and-drop will result in a move. 2893 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2894 removeChip(currentChip); 2895 } 2896 2897 /** 2898 * Handles drag event. 2899 */ 2900 @Override 2901 public boolean onDragEvent(DragEvent event) { 2902 switch (event.getAction()) { 2903 case DragEvent.ACTION_DRAG_STARTED: 2904 // Only handle plain text drag and drop. 2905 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2906 case DragEvent.ACTION_DRAG_ENTERED: 2907 requestFocus(); 2908 return true; 2909 case DragEvent.ACTION_DROP: 2910 handlePasteClip(event.getClipData()); 2911 return true; 2912 } 2913 return false; 2914 } 2915 2916 /** 2917 * Drag shadow for a {@link RecipientChip}. 2918 */ 2919 private final class RecipientChipShadow extends DragShadowBuilder { 2920 private final DrawableRecipientChip mChip; 2921 2922 public RecipientChipShadow(DrawableRecipientChip chip) { 2923 mChip = chip; 2924 } 2925 2926 @Override 2927 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2928 Rect rect = mChip.getBounds(); 2929 shadowSize.set(rect.width(), rect.height()); 2930 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2931 } 2932 2933 @Override 2934 public void onDrawShadow(Canvas canvas) { 2935 mChip.draw(canvas); 2936 } 2937 } 2938 2939 private void showCopyDialog(final String address) { 2940 if (!mAttachedToWindow) { 2941 return; 2942 } 2943 mCopyAddress = address; 2944 mCopyDialog.setTitle(address); 2945 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2946 mCopyDialog.setCancelable(true); 2947 mCopyDialog.setCanceledOnTouchOutside(true); 2948 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2949 button.setOnClickListener(this); 2950 int btnTitleId; 2951 if (isPhoneQuery()) { 2952 btnTitleId = R.string.copy_number; 2953 } else { 2954 btnTitleId = R.string.copy_email; 2955 } 2956 String buttonTitle = getContext().getResources().getString(btnTitleId); 2957 button.setText(buttonTitle); 2958 mCopyDialog.setOnDismissListener(this); 2959 mCopyDialog.show(); 2960 } 2961 2962 @Override 2963 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2964 // Do nothing. 2965 return false; 2966 } 2967 2968 @Override 2969 public void onShowPress(MotionEvent e) { 2970 // Do nothing. 2971 } 2972 2973 @Override 2974 public boolean onSingleTapUp(MotionEvent e) { 2975 // Do nothing. 2976 return false; 2977 } 2978 2979 @Override 2980 public void onDismiss(DialogInterface dialog) { 2981 mCopyAddress = null; 2982 } 2983 2984 @Override 2985 public void onClick(View v) { 2986 // Copy this to the clipboard. 2987 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2988 Context.CLIPBOARD_SERVICE); 2989 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2990 mCopyDialog.dismiss(); 2991 } 2992 2993 protected boolean isPhoneQuery() { 2994 return getAdapter() != null 2995 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2996 } 2997 2998 @Override 2999 public BaseRecipientAdapter getAdapter() { 3000 return (BaseRecipientAdapter) super.getAdapter(); 3001 } 3002} 3003