RecipientEditTextView.java revision 41e93fbe82cd4d802e3f1fbe265038f7a0521ddd
1/* 2 3 * Copyright (C) 2011 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18package com.android.ex.chips; 19 20import android.app.Dialog; 21import android.content.ClipData; 22import android.content.ClipDescription; 23import android.content.ClipboardManager; 24import android.content.Context; 25import android.content.DialogInterface; 26import android.content.DialogInterface.OnDismissListener; 27import android.content.res.Resources; 28import android.content.res.TypedArray; 29import android.graphics.Bitmap; 30import android.graphics.BitmapFactory; 31import android.graphics.Canvas; 32import android.graphics.Matrix; 33import android.graphics.Paint; 34import android.graphics.Point; 35import android.graphics.Rect; 36import android.graphics.RectF; 37import android.graphics.drawable.BitmapDrawable; 38import android.graphics.drawable.Drawable; 39import android.os.AsyncTask; 40import android.os.Build; 41import android.os.Handler; 42import android.os.Looper; 43import android.os.Message; 44import android.os.Parcelable; 45import android.text.Editable; 46import android.text.InputType; 47import android.text.Layout; 48import android.text.Spannable; 49import android.text.SpannableString; 50import android.text.SpannableStringBuilder; 51import android.text.Spanned; 52import android.text.TextPaint; 53import android.text.TextUtils; 54import android.text.TextWatcher; 55import android.text.method.QwertyKeyListener; 56import android.text.style.ImageSpan; 57import android.text.util.Rfc822Token; 58import android.text.util.Rfc822Tokenizer; 59import android.util.AttributeSet; 60import android.util.Log; 61import android.util.TypedValue; 62import android.view.ActionMode; 63import android.view.ActionMode.Callback; 64import android.view.DragEvent; 65import android.view.GestureDetector; 66import android.view.KeyEvent; 67import android.view.LayoutInflater; 68import android.view.Menu; 69import android.view.MenuItem; 70import android.view.MotionEvent; 71import android.view.View; 72import android.view.View.OnClickListener; 73import android.view.ViewParent; 74import android.view.inputmethod.EditorInfo; 75import android.view.inputmethod.InputConnection; 76import android.widget.AdapterView; 77import android.widget.AdapterView.OnItemClickListener; 78import android.widget.Button; 79import android.widget.Filterable; 80import android.widget.ListAdapter; 81import android.widget.ListPopupWindow; 82import android.widget.ListView; 83import android.widget.MultiAutoCompleteTextView; 84import android.widget.ScrollView; 85import android.widget.TextView; 86 87import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 88import com.android.ex.chips.recipientchip.DrawableRecipientChip; 89import com.android.ex.chips.recipientchip.InvisibleRecipientChip; 90import com.android.ex.chips.recipientchip.VisibleRecipientChip; 91 92import java.util.ArrayList; 93import java.util.Arrays; 94import java.util.Collection; 95import java.util.Collections; 96import java.util.Comparator; 97import java.util.HashSet; 98import java.util.List; 99import java.util.Map; 100import java.util.Set; 101import java.util.regex.Matcher; 102import java.util.regex.Pattern; 103 104/** 105 * RecipientEditTextView is an auto complete text view for use with applications 106 * that use the new Chips UI for addressing a message to recipients. 107 */ 108public class RecipientEditTextView extends MultiAutoCompleteTextView implements 109 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 110 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 111 TextView.OnEditorActionListener { 112 113 private static final char COMMIT_CHAR_COMMA = ','; 114 115 private static final char COMMIT_CHAR_SEMICOLON = ';'; 116 117 private static final char COMMIT_CHAR_SPACE = ' '; 118 119 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 120 + String.valueOf(COMMIT_CHAR_SPACE); 121 122 private static final String TAG = "RecipientEditTextView"; 123 124 private static int DISMISS = "dismiss".hashCode(); 125 126 private static final long DISMISS_DELAY = 300; 127 128 // TODO: get correct number/ algorithm from with UX. 129 // Visible for testing. 130 /*package*/ static final int CHIP_LIMIT = 2; 131 132 private static final int MAX_CHIPS_PARSED = 50; 133 134 private static int sSelectedTextColor = -1; 135 136 // Resources for displaying chips. 137 private Drawable mChipBackground = null; 138 139 private Drawable mChipDelete = null; 140 141 private Drawable mInvalidChipBackground; 142 143 private Drawable mChipBackgroundPressed; 144 145 private float mChipHeight; 146 147 private float mChipFontSize; 148 149 private float mLineSpacingExtra; 150 151 private int mChipPadding; 152 153 /** 154 * Enumerator for avatar position. See attr.xml for more details. 155 * 0 for end, 1 for start. 156 */ 157 private int mAvatarPosition; 158 159 private static final int AVATAR_POSITION_END = 0; 160 161 private static final int AVATAR_POSITION_START = 1; 162 163 private boolean mDisableDelete; 164 165 private Tokenizer mTokenizer; 166 167 private Validator mValidator; 168 169 private DrawableRecipientChip mSelectedChip; 170 171 private Bitmap mDefaultContactPhoto; 172 173 private ImageSpan mMoreChip; 174 175 private TextView mMoreItem; 176 177 // VisibleForTesting 178 final ArrayList<String> mPendingChips = new ArrayList<String>(); 179 180 private Handler mHandler; 181 182 private int mPendingChipsCount = 0; 183 184 private boolean mNoChips = false; 185 186 private ListPopupWindow mAlternatesPopup; 187 188 private ListPopupWindow mAddressPopup; 189 190 // VisibleForTesting 191 ArrayList<DrawableRecipientChip> mTemporaryRecipients; 192 193 private ArrayList<DrawableRecipientChip> mRemovedSpans; 194 195 private boolean mShouldShrink = true; 196 197 // Chip copy fields. 198 private GestureDetector mGestureDetector; 199 200 private Dialog mCopyDialog; 201 202 private String mCopyAddress; 203 204 /** 205 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 206 * selected chip. 207 */ 208 private OnItemClickListener mAlternatesListener; 209 210 private int mCheckedItem; 211 212 private TextWatcher mTextWatcher; 213 214 // Obtain the enclosing scroll view, if it exists, so that the view can be 215 // scrolled to show the last line of chips content. 216 private ScrollView mScrollView; 217 218 private boolean mTriedGettingScrollView; 219 220 private boolean mDragEnabled = false; 221 222 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 223 // parens, so numbers such as "1 (425) 222-2342" match. 224 private static final Pattern PHONE_PATTERN 225 = Pattern.compile( // sdd = space, dot, or dash 226 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 227 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 228 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 229 230 private final Runnable mAddTextWatcher = new Runnable() { 231 @Override 232 public void run() { 233 if (mTextWatcher == null) { 234 mTextWatcher = new RecipientTextWatcher(); 235 addTextChangedListener(mTextWatcher); 236 } 237 } 238 }; 239 240 private IndividualReplacementTask mIndividualReplacements; 241 242 private Runnable mHandlePendingChips = new Runnable() { 243 244 @Override 245 public void run() { 246 handlePendingChips(); 247 } 248 249 }; 250 251 private Runnable mDelayedShrink = new Runnable() { 252 253 @Override 254 public void run() { 255 shrink(); 256 } 257 258 }; 259 260 private int mMaxLines; 261 262 private static int sExcessTopPadding = -1; 263 264 private int mActionBarHeight; 265 266 private boolean mAttachedToWindow; 267 268 private DropdownChipLayouter mDropdownChipLayouter; 269 270 public RecipientEditTextView(Context context, AttributeSet attrs) { 271 super(context, attrs); 272 setChipDimensions(context, attrs); 273 if (sSelectedTextColor == -1) { 274 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 275 } 276 mAlternatesPopup = new ListPopupWindow(context); 277 mAddressPopup = new ListPopupWindow(context); 278 mCopyDialog = new Dialog(context); 279 mAlternatesListener = new OnItemClickListener() { 280 @Override 281 public void onItemClick(AdapterView<?> adapterView,View view, int position, 282 long rowId) { 283 mAlternatesPopup.setOnItemClickListener(null); 284 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 285 .getRecipientEntry(position)); 286 Message delayed = Message.obtain(mHandler, DISMISS); 287 delayed.obj = mAlternatesPopup; 288 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 289 clearComposingText(); 290 } 291 }; 292 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 293 setOnItemClickListener(this); 294 setCustomSelectionActionModeCallback(this); 295 mHandler = new Handler() { 296 @Override 297 public void handleMessage(Message msg) { 298 if (msg.what == DISMISS) { 299 ((ListPopupWindow) msg.obj).dismiss(); 300 return; 301 } 302 super.handleMessage(msg); 303 } 304 }; 305 mTextWatcher = new RecipientTextWatcher(); 306 addTextChangedListener(mTextWatcher); 307 mGestureDetector = new GestureDetector(context, this); 308 setOnEditorActionListener(this); 309 310 setDropdownChipLayouter(new DropdownChipLayouter(LayoutInflater.from(context), context)); 311 } 312 313 protected void setDropdownChipLayouter(DropdownChipLayouter dropdownChipLayouter) { 314 mDropdownChipLayouter = dropdownChipLayouter; 315 } 316 317 @Override 318 protected void onDetachedFromWindow() { 319 mAttachedToWindow = false; 320 } 321 322 @Override 323 protected void onAttachedToWindow() { 324 mAttachedToWindow = true; 325 } 326 327 @Override 328 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 329 if (action == EditorInfo.IME_ACTION_DONE) { 330 if (commitDefault()) { 331 return true; 332 } 333 if (mSelectedChip != null) { 334 clearSelectedChip(); 335 return true; 336 } else if (focusNext()) { 337 return true; 338 } 339 } 340 return false; 341 } 342 343 @Override 344 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 345 InputConnection connection = super.onCreateInputConnection(outAttrs); 346 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 347 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 348 // clear the existing action 349 outAttrs.imeOptions ^= imeActions; 350 // set the DONE action 351 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 352 } 353 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 354 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 355 } 356 357 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 358 outAttrs.actionLabel = getContext().getString(R.string.done); 359 return connection; 360 } 361 362 /*package*/ DrawableRecipientChip getLastChip() { 363 DrawableRecipientChip last = null; 364 DrawableRecipientChip[] chips = getSortedRecipients(); 365 if (chips != null && chips.length > 0) { 366 last = chips[chips.length - 1]; 367 } 368 return last; 369 } 370 371 @Override 372 public void onSelectionChanged(int start, int end) { 373 // When selection changes, see if it is inside the chips area. 374 // If so, move the cursor back after the chips again. 375 DrawableRecipientChip last = getLastChip(); 376 if (last != null && start < getSpannable().getSpanEnd(last)) { 377 // Grab the last chip and set the cursor to after it. 378 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 379 } 380 super.onSelectionChanged(start, end); 381 } 382 383 @Override 384 public void onRestoreInstanceState(Parcelable state) { 385 if (!TextUtils.isEmpty(getText())) { 386 super.onRestoreInstanceState(null); 387 } else { 388 super.onRestoreInstanceState(state); 389 } 390 } 391 392 @Override 393 public Parcelable onSaveInstanceState() { 394 // If the user changes orientation while they are editing, just roll back the selection. 395 clearSelectedChip(); 396 return super.onSaveInstanceState(); 397 } 398 399 /** 400 * Convenience method: Append the specified text slice to the TextView's 401 * display buffer, upgrading it to BufferType.EDITABLE if it was 402 * not already editable. Commas are excluded as they are added automatically 403 * by the view. 404 */ 405 @Override 406 public void append(CharSequence text, int start, int end) { 407 // We don't care about watching text changes while appending. 408 if (mTextWatcher != null) { 409 removeTextChangedListener(mTextWatcher); 410 } 411 super.append(text, start, end); 412 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 413 String displayString = text.toString(); 414 415 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 416 // We have no separator, so we should add it 417 super.append(SEPARATOR, 0, SEPARATOR.length()); 418 displayString += SEPARATOR; 419 } 420 421 if (!TextUtils.isEmpty(displayString) 422 && TextUtils.getTrimmedLength(displayString) > 0) { 423 mPendingChipsCount++; 424 mPendingChips.add(displayString); 425 } 426 } 427 // Put a message on the queue to make sure we ALWAYS handle pending 428 // chips. 429 if (mPendingChipsCount > 0) { 430 postHandlePendingChips(); 431 } 432 mHandler.post(mAddTextWatcher); 433 } 434 435 @Override 436 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 437 super.onFocusChanged(hasFocus, direction, previous); 438 if (!hasFocus) { 439 shrink(); 440 } else { 441 expand(); 442 } 443 } 444 445 private int getExcessTopPadding() { 446 if (sExcessTopPadding == -1) { 447 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 448 } 449 return sExcessTopPadding; 450 } 451 452 @Override 453 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 454 super.setAdapter(adapter); 455 BaseRecipientAdapter baseAdapter = (BaseRecipientAdapter) adapter; 456 baseAdapter.registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 457 @Override 458 public void onChanged(List<RecipientEntry> entries) { 459 // Scroll the chips field to the top of the screen so 460 // that the user can see as many results as possible. 461 if (entries != null && entries.size() > 0) { 462 scrollBottomIntoView(); 463 } 464 } 465 }); 466 baseAdapter.setDropdownChipLayouter(mDropdownChipLayouter); 467 } 468 469 private void scrollBottomIntoView() { 470 if (mScrollView != null && mShouldShrink) { 471 int[] location = new int[2]; 472 getLocationOnScreen(location); 473 int height = getHeight(); 474 int currentPos = location[1] + height; 475 // Desired position shows at least 1 line of chips below the action 476 // bar. We add excess padding to make sure this is always below other 477 // content. 478 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 479 if (currentPos > desiredPos) { 480 mScrollView.scrollBy(0, currentPos - desiredPos); 481 } 482 } 483 } 484 485 @Override 486 public void performValidation() { 487 // Do nothing. Chips handles its own validation. 488 } 489 490 private void shrink() { 491 if (mTokenizer == null) { 492 return; 493 } 494 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 495 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 496 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 497 clearSelectedChip(); 498 } else { 499 if (getWidth() <= 0) { 500 // We don't have the width yet which means the view hasn't been drawn yet 501 // and there is no reason to attempt to commit chips yet. 502 // This focus lost must be the result of an orientation change 503 // or an initial rendering. 504 // Re-post the shrink for later. 505 mHandler.removeCallbacks(mDelayedShrink); 506 mHandler.post(mDelayedShrink); 507 return; 508 } 509 // Reset any pending chips as they would have been handled 510 // when the field lost focus. 511 if (mPendingChipsCount > 0) { 512 postHandlePendingChips(); 513 } else { 514 Editable editable = getText(); 515 int end = getSelectionEnd(); 516 int start = mTokenizer.findTokenStart(editable, end); 517 DrawableRecipientChip[] chips = 518 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 519 if ((chips == null || chips.length == 0)) { 520 Editable text = getText(); 521 int whatEnd = mTokenizer.findTokenEnd(text, start); 522 // This token was already tokenized, so skip past the ending token. 523 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 524 whatEnd = movePastTerminators(whatEnd); 525 } 526 // In the middle of chip; treat this as an edit 527 // and commit the whole token. 528 int selEnd = getSelectionEnd(); 529 if (whatEnd != selEnd) { 530 handleEdit(start, whatEnd); 531 } else { 532 commitChip(start, end, editable); 533 } 534 } 535 } 536 mHandler.post(mAddTextWatcher); 537 } 538 createMoreChip(); 539 } 540 541 private void expand() { 542 if (mShouldShrink) { 543 setMaxLines(Integer.MAX_VALUE); 544 } 545 removeMoreChip(); 546 setCursorVisible(true); 547 Editable text = getText(); 548 setSelection(text != null && text.length() > 0 ? text.length() : 0); 549 // If there are any temporary chips, try replacing them now that the user 550 // has expanded the field. 551 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 552 new RecipientReplacementTask().execute(); 553 mTemporaryRecipients = null; 554 } 555 } 556 557 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 558 paint.setTextSize(mChipFontSize); 559 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 560 Log.d(TAG, "Max width is negative: " + maxWidth); 561 } 562 return TextUtils.ellipsize(text, paint, maxWidth, 563 TextUtils.TruncateAt.END); 564 } 565 566 /** 567 * Creates a bitmap of the given contact on a selected chip. 568 * 569 * @param contact The recipient entry to pull data from. 570 * @param paint The paint to use to draw the bitmap. 571 */ 572 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 573 paint.setColor(sSelectedTextColor); 574 Bitmap photo; 575 if (mDisableDelete) { 576 // Show the avatar instead if we don't want to delete 577 photo = getAvatarIcon(contact); 578 } else { 579 photo = ((BitmapDrawable) mChipDelete).getBitmap(); 580 } 581 return createChipBitmap(contact, paint, photo, mChipBackgroundPressed); 582 } 583 584 /** 585 * Creates a bitmap of the given contact on a selected chip. 586 * 587 * @param contact The recipient entry to pull data from. 588 * @param paint The paint to use to draw the bitmap. 589 */ 590 // TODO: Is leaveBlankIconSpacer obsolete now that we have left and right attributes? 591 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 592 boolean leaveBlankIconSpacer) { 593 Drawable background = getChipBackground(contact); 594 Bitmap photo = getAvatarIcon(contact); 595 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 596 return createChipBitmap(contact, paint, photo, background); 597 } 598 599 private Bitmap createChipBitmap(RecipientEntry contact, TextPaint paint, Bitmap icon, 600 Drawable background) { 601 if (background == null) { 602 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 603 return Bitmap.createBitmap( 604 (int) mChipHeight * 2, (int) mChipHeight, Bitmap.Config.ARGB_8888); 605 } 606 607 Rect backgroundPadding = new Rect(); 608 background.getPadding(backgroundPadding); 609 610 // Ellipsize the text so that it takes AT MOST the entire width of the 611 // autocomplete text entry area. Make sure to leave space for padding 612 // on the sides. 613 int height = (int) mChipHeight; 614 // Since the icon is a square, it's width is equal to the maximum height it can be inside 615 // the chip. 616 int iconWidth = height - backgroundPadding.top - backgroundPadding.bottom; 617 float[] widths = new float[1]; 618 paint.getTextWidths(" ", widths); 619 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 620 calculateAvailableWidth() - iconWidth - widths[0]); 621 int textWidth = (int) paint.measureText(ellipsizedText, 0, ellipsizedText.length()); 622 623 // Make sure there is a minimum chip width so the user can ALWAYS 624 // tap a chip without difficulty. 625 int width = Math.max(iconWidth * 2, textWidth + (mChipPadding * 2) + iconWidth 626 + backgroundPadding.left + backgroundPadding.right); 627 628 // Create the background of the chip. 629 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 630 Canvas canvas = new Canvas(tmpBitmap); 631 632 // Draw the background drawable 633 background.setBounds(0, 0, width, height); 634 background.draw(canvas); 635 // Draw the text vertically aligned 636 int textX = shouldPositionAvatarOnRight() ? 637 mChipPadding + backgroundPadding.left : 638 width - backgroundPadding.right - mChipPadding - textWidth; 639 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), 640 textX, getTextYOffset(ellipsizedText.toString(), paint, height), paint); 641 if (icon != null) { 642 // Draw the icon 643 int iconX = shouldPositionAvatarOnRight() ? 644 width - backgroundPadding.right - iconWidth : 645 backgroundPadding.left; 646 RectF src = new RectF(0, 0, icon.getWidth(), icon.getHeight()); 647 RectF dst = new RectF(iconX, 648 0 + backgroundPadding.top, 649 iconX + iconWidth, 650 height - backgroundPadding.bottom); 651 drawIconOnCanvas(icon, canvas, paint, src, dst); 652 } 653 return tmpBitmap; 654 } 655 656 /** 657 * Returns true if the avatar should be positioned at the right edge of the chip. 658 * Takes into account both the set avatar position (start or end) as well as whether 659 * the layout direction is LTR or RTL. 660 */ 661 private boolean shouldPositionAvatarOnRight() { 662 final boolean isRtl = Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1 ? 663 getLayoutDirection() == LAYOUT_DIRECTION_RTL : false; 664 final boolean assignedPosition = mAvatarPosition == AVATAR_POSITION_END; 665 // If in Rtl mode, the position should be flipped. 666 return isRtl ? !assignedPosition : assignedPosition; 667 } 668 669 /** 670 * Returns the avatar icon to use for this recipient entry. Returns null if we don't want to 671 * draw an icon for this recipient. 672 */ 673 private Bitmap getAvatarIcon(RecipientEntry contact) { 674 // Don't draw photos for recipients that have been typed in OR generated on the fly. 675 long contactId = contact.getContactId(); 676 boolean drawPhotos = isPhoneQuery() ? 677 contactId != RecipientEntry.INVALID_CONTACT 678 : (contactId != RecipientEntry.INVALID_CONTACT 679 && (contactId != RecipientEntry.GENERATED_CONTACT && 680 !TextUtils.isEmpty(contact.getDisplayName()))); 681 682 if (drawPhotos) { 683 byte[] photoBytes = contact.getPhotoBytes(); 684 // There may not be a photo yet if anything but the first contact address 685 // was selected. 686 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 687 // TODO: cache this in the recipient entry? 688 getAdapter().fetchPhoto(contact, contact.getPhotoThumbnailUri()); 689 photoBytes = contact.getPhotoBytes(); 690 } 691 if (photoBytes != null) { 692 return BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 693 } else { 694 // TODO: can the scaled down default photo be cached? 695 return mDefaultContactPhoto; 696 } 697 } 698 699 return null; 700 } 701 702 /** 703 * Get the background drawable for a RecipientChip. 704 */ 705 // Visible for testing. 706 /* package */Drawable getChipBackground(RecipientEntry contact) { 707 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 708 } 709 710 /** 711 * Given a height, returns a Y offset that will draw the text in the middle of the height. 712 */ 713 protected float getTextYOffset(String text, TextPaint paint, int height) { 714 Rect bounds = new Rect(); 715 paint.getTextBounds(text, 0, text.length(), bounds); 716 int textHeight = bounds.bottom - bounds.top ; 717 return height - ((height - textHeight) / 2) - (int)paint.descent(); 718 } 719 720 /** 721 * Draws the icon onto the canvas given the source rectangle of the bitmap and the destination 722 * rectangle of the canvas. 723 */ 724 protected void drawIconOnCanvas(Bitmap icon, Canvas canvas, Paint paint, RectF src, RectF dst) { 725 Matrix matrix = new Matrix(); 726 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 727 canvas.drawBitmap(icon, matrix, paint); 728 } 729 730 private DrawableRecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 731 boolean leaveIconSpace) throws NullPointerException { 732 if (mChipBackground == null) { 733 throw new NullPointerException( 734 "Unable to render any chips as setChipDimensions was not called."); 735 } 736 737 TextPaint paint = getPaint(); 738 float defaultSize = paint.getTextSize(); 739 int defaultColor = paint.getColor(); 740 741 Bitmap tmpBitmap; 742 if (pressed) { 743 tmpBitmap = createSelectedChip(contact, paint); 744 745 } else { 746 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 747 } 748 749 // Pass the full text, un-ellipsized, to the chip. 750 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 751 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 752 DrawableRecipientChip recipientChip = new VisibleRecipientChip(result, contact); 753 // Return text to the original size. 754 paint.setTextSize(defaultSize); 755 paint.setColor(defaultColor); 756 return recipientChip; 757 } 758 759 /** 760 * Calculate the bottom of the line the chip will be located on using: 761 * 1) which line the chip appears on 762 * 2) the height of a chip 763 * 3) padding built into the edit text view 764 */ 765 private int calculateOffsetFromBottom(int line) { 766 // Line offsets start at zero. 767 int actualLine = getLineCount() - (line + 1); 768 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 769 + getDropDownVerticalOffset(); 770 } 771 772 /** 773 * Get the max amount of space a chip can take up. The formula takes into 774 * account the width of the EditTextView, any view padding, and padding 775 * that will be added to the chip. 776 */ 777 private float calculateAvailableWidth() { 778 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 779 } 780 781 782 private void setChipDimensions(Context context, AttributeSet attrs) { 783 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 784 0); 785 Resources r = getContext().getResources(); 786 787 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 788 if (mChipBackground == null) { 789 mChipBackground = r.getDrawable(R.drawable.chip_background); 790 } 791 mChipBackgroundPressed = a 792 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 793 if (mChipBackgroundPressed == null) { 794 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 795 } 796 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 797 if (mChipDelete == null) { 798 mChipDelete = r.getDrawable(R.drawable.chip_delete); 799 } 800 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 801 if (mChipPadding == -1) { 802 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 803 } 804 805 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 806 807 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 808 809 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 810 if (mChipHeight == -1) { 811 mChipHeight = r.getDimension(R.dimen.chip_height); 812 } 813 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 814 if (mChipFontSize == -1) { 815 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 816 } 817 mInvalidChipBackground = a 818 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 819 if (mInvalidChipBackground == null) { 820 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 821 } 822 mAvatarPosition = a.getInt(R.styleable.RecipientEditTextView_avatarPosition, 0); 823 mDisableDelete = a.getBoolean(R.styleable.RecipientEditTextView_disableDelete, false); 824 825 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 826 mMaxLines = r.getInteger(R.integer.chips_max_lines); 827 TypedValue tv = new TypedValue(); 828 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 829 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 830 .getDisplayMetrics()); 831 } 832 833 a.recycle(); 834 } 835 836 // Visible for testing. 837 /* package */ void setMoreItem(TextView moreItem) { 838 mMoreItem = moreItem; 839 } 840 841 842 // Visible for testing. 843 /* package */ void setChipBackground(Drawable chipBackground) { 844 mChipBackground = chipBackground; 845 } 846 847 // Visible for testing. 848 /* package */ void setChipHeight(int height) { 849 mChipHeight = height; 850 } 851 852 public float getChipHeight() { 853 return mChipHeight; 854 } 855 856 /** 857 * Set whether to shrink the recipients field such that at most 858 * one line of recipients chips are shown when the field loses 859 * focus. By default, the number of displayed recipients will be 860 * limited and a "more" chip will be shown when focus is lost. 861 * @param shrink 862 */ 863 public void setOnFocusListShrinkRecipients(boolean shrink) { 864 mShouldShrink = shrink; 865 } 866 867 @Override 868 public void onSizeChanged(int width, int height, int oldw, int oldh) { 869 super.onSizeChanged(width, height, oldw, oldh); 870 if (width != 0 && height != 0) { 871 if (mPendingChipsCount > 0) { 872 postHandlePendingChips(); 873 } else { 874 checkChipWidths(); 875 } 876 } 877 // Try to find the scroll view parent, if it exists. 878 if (mScrollView == null && !mTriedGettingScrollView) { 879 ViewParent parent = getParent(); 880 while (parent != null && !(parent instanceof ScrollView)) { 881 parent = parent.getParent(); 882 } 883 if (parent != null) { 884 mScrollView = (ScrollView) parent; 885 } 886 mTriedGettingScrollView = true; 887 } 888 } 889 890 private void postHandlePendingChips() { 891 mHandler.removeCallbacks(mHandlePendingChips); 892 mHandler.post(mHandlePendingChips); 893 } 894 895 private void checkChipWidths() { 896 // Check the widths of the associated chips. 897 DrawableRecipientChip[] chips = getSortedRecipients(); 898 if (chips != null) { 899 Rect bounds; 900 for (DrawableRecipientChip chip : chips) { 901 bounds = chip.getBounds(); 902 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 903 // Need to redraw that chip. 904 replaceChip(chip, chip.getEntry()); 905 } 906 } 907 } 908 } 909 910 // Visible for testing. 911 /*package*/ void handlePendingChips() { 912 if (getViewWidth() <= 0) { 913 // The widget has not been sized yet. 914 // This will be called as a result of onSizeChanged 915 // at a later point. 916 return; 917 } 918 if (mPendingChipsCount <= 0) { 919 return; 920 } 921 922 synchronized (mPendingChips) { 923 Editable editable = getText(); 924 // Tokenize! 925 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 926 for (int i = 0; i < mPendingChips.size(); i++) { 927 String current = mPendingChips.get(i); 928 int tokenStart = editable.toString().indexOf(current); 929 // Always leave a space at the end between tokens. 930 int tokenEnd = tokenStart + current.length() - 1; 931 if (tokenStart >= 0) { 932 // When we have a valid token, include it with the token 933 // to the left. 934 if (tokenEnd < editable.length() - 2 935 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 936 tokenEnd++; 937 } 938 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 939 || !mShouldShrink); 940 } 941 mPendingChipsCount--; 942 } 943 sanitizeEnd(); 944 } else { 945 mNoChips = true; 946 } 947 948 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 949 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 950 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 951 new RecipientReplacementTask().execute(); 952 mTemporaryRecipients = null; 953 } else { 954 // Create the "more" chip 955 mIndividualReplacements = new IndividualReplacementTask(); 956 mIndividualReplacements.execute(new ArrayList<DrawableRecipientChip>( 957 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 958 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 959 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>( 960 mTemporaryRecipients.subList(CHIP_LIMIT, 961 mTemporaryRecipients.size())); 962 } else { 963 mTemporaryRecipients = null; 964 } 965 createMoreChip(); 966 } 967 } else { 968 // There are too many recipients to look up, so just fall back 969 // to showing addresses for all of them. 970 mTemporaryRecipients = null; 971 createMoreChip(); 972 } 973 mPendingChipsCount = 0; 974 mPendingChips.clear(); 975 } 976 } 977 978 // Visible for testing. 979 /*package*/ int getViewWidth() { 980 return getWidth(); 981 } 982 983 /** 984 * Remove any characters after the last valid chip. 985 */ 986 // Visible for testing. 987 /*package*/ void sanitizeEnd() { 988 // Don't sanitize while we are waiting for pending chips to complete. 989 if (mPendingChipsCount > 0) { 990 return; 991 } 992 // Find the last chip; eliminate any commit characters after it. 993 DrawableRecipientChip[] chips = getSortedRecipients(); 994 Spannable spannable = getSpannable(); 995 if (chips != null && chips.length > 0) { 996 int end; 997 mMoreChip = getMoreChip(); 998 if (mMoreChip != null) { 999 end = spannable.getSpanEnd(mMoreChip); 1000 } else { 1001 end = getSpannable().getSpanEnd(getLastChip()); 1002 } 1003 Editable editable = getText(); 1004 int length = editable.length(); 1005 if (length > end) { 1006 // See what characters occur after that and eliminate them. 1007 if (Log.isLoggable(TAG, Log.DEBUG)) { 1008 Log.d(TAG, "There were extra characters after the last tokenizable entry." 1009 + editable); 1010 } 1011 editable.delete(end + 1, length); 1012 } 1013 } 1014 } 1015 1016 /** 1017 * Create a chip that represents just the email address of a recipient. At some later 1018 * point, this chip will be attached to a real contact entry, if one exists. 1019 */ 1020 // VisibleForTesting 1021 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 1022 boolean visible) { 1023 if (alreadyHasChip(tokenStart, tokenEnd)) { 1024 // There is already a chip present at this location. 1025 // Don't recreate it. 1026 return; 1027 } 1028 String token = editable.toString().substring(tokenStart, tokenEnd); 1029 final String trimmedToken = token.trim(); 1030 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 1031 if (commitCharIndex != -1 && commitCharIndex == trimmedToken.length() - 1) { 1032 token = trimmedToken.substring(0, trimmedToken.length() - 1); 1033 } 1034 RecipientEntry entry = createTokenizedEntry(token); 1035 if (entry != null) { 1036 DrawableRecipientChip chip = null; 1037 try { 1038 if (!mNoChips) { 1039 /* 1040 * leave space for the contact icon if this is not just an 1041 * email address 1042 */ 1043 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 1044 || TextUtils.equals(entry.getDisplayName(), 1045 entry.getDestination()); 1046 chip = visible ? 1047 constructChipSpan(entry, false, leaveSpace) 1048 : new InvisibleRecipientChip(entry); 1049 } 1050 } catch (NullPointerException e) { 1051 Log.e(TAG, e.getMessage(), e); 1052 } 1053 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1054 // Add this chip to the list of entries "to replace" 1055 if (chip != null) { 1056 if (mTemporaryRecipients == null) { 1057 mTemporaryRecipients = new ArrayList<DrawableRecipientChip>(); 1058 } 1059 chip.setOriginalText(token); 1060 mTemporaryRecipients.add(chip); 1061 } 1062 } 1063 } 1064 1065 private static boolean isPhoneNumber(String number) { 1066 // TODO: replace this function with libphonenumber's isPossibleNumber (see 1067 // PhoneNumberUtil). One complication is that it requires the sender's region which 1068 // comes from the CurrentCountryIso. For now, let's just do this simple match. 1069 if (TextUtils.isEmpty(number)) { 1070 return false; 1071 } 1072 1073 Matcher match = PHONE_PATTERN.matcher(number); 1074 return match.matches(); 1075 } 1076 1077 // VisibleForTesting 1078 RecipientEntry createTokenizedEntry(final String token) { 1079 if (TextUtils.isEmpty(token)) { 1080 return null; 1081 } 1082 if (isPhoneQuery() && isPhoneNumber(token)) { 1083 return RecipientEntry.constructFakePhoneEntry(token, true); 1084 } 1085 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 1086 String display = null; 1087 boolean isValid = isValid(token); 1088 if (isValid && tokens != null && tokens.length > 0) { 1089 // If we can get a name from tokenizing, then generate an entry from 1090 // this. 1091 display = tokens[0].getName(); 1092 if (!TextUtils.isEmpty(display)) { 1093 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 1094 isValid); 1095 } else { 1096 display = tokens[0].getAddress(); 1097 if (!TextUtils.isEmpty(display)) { 1098 return RecipientEntry.constructFakeEntry(display, isValid); 1099 } 1100 } 1101 } 1102 // Unable to validate the token or to create a valid token from it. 1103 // Just create a chip the user can edit. 1104 String validatedToken = null; 1105 if (mValidator != null && !isValid) { 1106 // Try fixing up the entry using the validator. 1107 validatedToken = mValidator.fixText(token).toString(); 1108 if (!TextUtils.isEmpty(validatedToken)) { 1109 if (validatedToken.contains(token)) { 1110 // protect against the case of a validator with a null 1111 // domain, 1112 // which doesn't add a domain to the token 1113 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1114 if (tokenized.length > 0) { 1115 validatedToken = tokenized[0].getAddress(); 1116 isValid = true; 1117 } 1118 } else { 1119 // We ran into a case where the token was invalid and 1120 // removed 1121 // by the validator. In this case, just use the original 1122 // token 1123 // and let the user sort out the error chip. 1124 validatedToken = null; 1125 isValid = false; 1126 } 1127 } 1128 } 1129 // Otherwise, fallback to just creating an editable email address chip. 1130 return RecipientEntry.constructFakeEntry( 1131 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1132 } 1133 1134 private boolean isValid(String text) { 1135 return mValidator == null ? true : mValidator.isValid(text); 1136 } 1137 1138 private static String tokenizeAddress(String destination) { 1139 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1140 if (tokens != null && tokens.length > 0) { 1141 return tokens[0].getAddress(); 1142 } 1143 return destination; 1144 } 1145 1146 @Override 1147 public void setTokenizer(Tokenizer tokenizer) { 1148 mTokenizer = tokenizer; 1149 super.setTokenizer(mTokenizer); 1150 } 1151 1152 @Override 1153 public void setValidator(Validator validator) { 1154 mValidator = validator; 1155 super.setValidator(validator); 1156 } 1157 1158 /** 1159 * We cannot use the default mechanism for replaceText. Instead, 1160 * we override onItemClickListener so we can get all the associated 1161 * contact information including display text, address, and id. 1162 */ 1163 @Override 1164 protected void replaceText(CharSequence text) { 1165 return; 1166 } 1167 1168 /** 1169 * Dismiss any selected chips when the back key is pressed. 1170 */ 1171 @Override 1172 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1173 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1174 clearSelectedChip(); 1175 return true; 1176 } 1177 return super.onKeyPreIme(keyCode, event); 1178 } 1179 1180 /** 1181 * Monitor key presses in this view to see if the user types 1182 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1183 * If the user has entered text that has contact matches and types 1184 * a commit key, create a chip from the topmost matching contact. 1185 * If the user has entered text that has no contact matches and types 1186 * a commit key, then create a chip from the text they have entered. 1187 */ 1188 @Override 1189 public boolean onKeyUp(int keyCode, KeyEvent event) { 1190 switch (keyCode) { 1191 case KeyEvent.KEYCODE_TAB: 1192 if (event.hasNoModifiers()) { 1193 if (mSelectedChip != null) { 1194 clearSelectedChip(); 1195 } else { 1196 commitDefault(); 1197 } 1198 } 1199 break; 1200 } 1201 return super.onKeyUp(keyCode, event); 1202 } 1203 1204 private boolean focusNext() { 1205 View next = focusSearch(View.FOCUS_DOWN); 1206 if (next != null) { 1207 next.requestFocus(); 1208 return true; 1209 } 1210 return false; 1211 } 1212 1213 /** 1214 * Create a chip from the default selection. If the popup is showing, the 1215 * default is the first item in the popup suggestions list. Otherwise, it is 1216 * whatever the user had typed in. End represents where the the tokenizer 1217 * should search for a token to turn into a chip. 1218 * @return If a chip was created from a real contact. 1219 */ 1220 private boolean commitDefault() { 1221 // If there is no tokenizer, don't try to commit. 1222 if (mTokenizer == null) { 1223 return false; 1224 } 1225 Editable editable = getText(); 1226 int end = getSelectionEnd(); 1227 int start = mTokenizer.findTokenStart(editable, end); 1228 1229 if (shouldCreateChip(start, end)) { 1230 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1231 // In the middle of chip; treat this as an edit 1232 // and commit the whole token. 1233 whatEnd = movePastTerminators(whatEnd); 1234 if (whatEnd != getSelectionEnd()) { 1235 handleEdit(start, whatEnd); 1236 return true; 1237 } 1238 return commitChip(start, end , editable); 1239 } 1240 return false; 1241 } 1242 1243 private void commitByCharacter() { 1244 // We can't possibly commit by character if we can't tokenize. 1245 if (mTokenizer == null) { 1246 return; 1247 } 1248 Editable editable = getText(); 1249 int end = getSelectionEnd(); 1250 int start = mTokenizer.findTokenStart(editable, end); 1251 if (shouldCreateChip(start, end)) { 1252 commitChip(start, end, editable); 1253 } 1254 setSelection(getText().length()); 1255 } 1256 1257 private boolean commitChip(int start, int end, Editable editable) { 1258 ListAdapter adapter = getAdapter(); 1259 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1260 && end == getSelectionEnd() && !isPhoneQuery()) { 1261 // choose the first entry. 1262 submitItemAtPosition(0); 1263 dismissDropDown(); 1264 return true; 1265 } else { 1266 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1267 if (editable.length() > tokenEnd + 1) { 1268 char charAt = editable.charAt(tokenEnd + 1); 1269 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1270 tokenEnd++; 1271 } 1272 } 1273 String text = editable.toString().substring(start, tokenEnd).trim(); 1274 clearComposingText(); 1275 if (text != null && text.length() > 0 && !text.equals(" ")) { 1276 RecipientEntry entry = createTokenizedEntry(text); 1277 if (entry != null) { 1278 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1279 CharSequence chipText = createChip(entry, false); 1280 if (chipText != null && start > -1 && end > -1) { 1281 editable.replace(start, end, chipText); 1282 } 1283 } 1284 // Only dismiss the dropdown if it is related to the text we 1285 // just committed. 1286 // For paste, it may not be as there are possibly multiple 1287 // tokens being added. 1288 if (end == getSelectionEnd()) { 1289 dismissDropDown(); 1290 } 1291 sanitizeBetween(); 1292 return true; 1293 } 1294 } 1295 return false; 1296 } 1297 1298 // Visible for testing. 1299 /* package */ void sanitizeBetween() { 1300 // Don't sanitize while we are waiting for content to chipify. 1301 if (mPendingChipsCount > 0) { 1302 return; 1303 } 1304 // Find the last chip. 1305 DrawableRecipientChip[] recips = getSortedRecipients(); 1306 if (recips != null && recips.length > 0) { 1307 DrawableRecipientChip last = recips[recips.length - 1]; 1308 DrawableRecipientChip beforeLast = null; 1309 if (recips.length > 1) { 1310 beforeLast = recips[recips.length - 2]; 1311 } 1312 int startLooking = 0; 1313 int end = getSpannable().getSpanStart(last); 1314 if (beforeLast != null) { 1315 startLooking = getSpannable().getSpanEnd(beforeLast); 1316 Editable text = getText(); 1317 if (startLooking == -1 || startLooking > text.length() - 1) { 1318 // There is nothing after this chip. 1319 return; 1320 } 1321 if (text.charAt(startLooking) == ' ') { 1322 startLooking++; 1323 } 1324 } 1325 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1326 getText().delete(startLooking, end); 1327 } 1328 } 1329 } 1330 1331 private boolean shouldCreateChip(int start, int end) { 1332 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1333 } 1334 1335 private boolean alreadyHasChip(int start, int end) { 1336 if (mNoChips) { 1337 return true; 1338 } 1339 DrawableRecipientChip[] chips = 1340 getSpannable().getSpans(start, end, DrawableRecipientChip.class); 1341 if ((chips == null || chips.length == 0)) { 1342 return false; 1343 } 1344 return true; 1345 } 1346 1347 private void handleEdit(int start, int end) { 1348 if (start == -1 || end == -1) { 1349 // This chip no longer exists in the field. 1350 dismissDropDown(); 1351 return; 1352 } 1353 // This is in the middle of a chip, so select out the whole chip 1354 // and commit it. 1355 Editable editable = getText(); 1356 setSelection(end); 1357 String text = getText().toString().substring(start, end); 1358 if (!TextUtils.isEmpty(text)) { 1359 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1360 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1361 CharSequence chipText = createChip(entry, false); 1362 int selEnd = getSelectionEnd(); 1363 if (chipText != null && start > -1 && selEnd > -1) { 1364 editable.replace(start, selEnd, chipText); 1365 } 1366 } 1367 dismissDropDown(); 1368 } 1369 1370 /** 1371 * If there is a selected chip, delegate the key events 1372 * to the selected chip. 1373 */ 1374 @Override 1375 public boolean onKeyDown(int keyCode, KeyEvent event) { 1376 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1377 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1378 mAlternatesPopup.dismiss(); 1379 } 1380 removeChip(mSelectedChip); 1381 } 1382 1383 switch (keyCode) { 1384 case KeyEvent.KEYCODE_ENTER: 1385 case KeyEvent.KEYCODE_DPAD_CENTER: 1386 if (event.hasNoModifiers()) { 1387 if (commitDefault()) { 1388 return true; 1389 } 1390 if (mSelectedChip != null) { 1391 clearSelectedChip(); 1392 return true; 1393 } else if (focusNext()) { 1394 return true; 1395 } 1396 } 1397 break; 1398 } 1399 1400 return super.onKeyDown(keyCode, event); 1401 } 1402 1403 // Visible for testing. 1404 /* package */ Spannable getSpannable() { 1405 return getText(); 1406 } 1407 1408 private int getChipStart(DrawableRecipientChip chip) { 1409 return getSpannable().getSpanStart(chip); 1410 } 1411 1412 private int getChipEnd(DrawableRecipientChip chip) { 1413 return getSpannable().getSpanEnd(chip); 1414 } 1415 1416 /** 1417 * Instead of filtering on the entire contents of the edit box, 1418 * this subclass method filters on the range from 1419 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1420 * if the length of that range meets or exceeds {@link #getThreshold} 1421 * and makes sure that the range is not already a Chip. 1422 */ 1423 @Override 1424 protected void performFiltering(CharSequence text, int keyCode) { 1425 boolean isCompletedToken = isCompletedToken(text); 1426 if (enoughToFilter() && !isCompletedToken) { 1427 int end = getSelectionEnd(); 1428 int start = mTokenizer.findTokenStart(text, end); 1429 // If this is a RecipientChip, don't filter 1430 // on its contents. 1431 Spannable span = getSpannable(); 1432 DrawableRecipientChip[] chips = span.getSpans(start, end, DrawableRecipientChip.class); 1433 if (chips != null && chips.length > 0) { 1434 dismissDropDown(); 1435 return; 1436 } 1437 } else if (isCompletedToken) { 1438 dismissDropDown(); 1439 return; 1440 } 1441 super.performFiltering(text, keyCode); 1442 } 1443 1444 // Visible for testing. 1445 /*package*/ boolean isCompletedToken(CharSequence text) { 1446 if (TextUtils.isEmpty(text)) { 1447 return false; 1448 } 1449 // Check to see if this is a completed token before filtering. 1450 int end = text.length(); 1451 int start = mTokenizer.findTokenStart(text, end); 1452 String token = text.toString().substring(start, end).trim(); 1453 if (!TextUtils.isEmpty(token)) { 1454 char atEnd = token.charAt(token.length() - 1); 1455 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1456 } 1457 return false; 1458 } 1459 1460 private void clearSelectedChip() { 1461 if (mSelectedChip != null) { 1462 unselectChip(mSelectedChip); 1463 mSelectedChip = null; 1464 } 1465 setCursorVisible(true); 1466 } 1467 1468 /** 1469 * Monitor touch events in the RecipientEditTextView. 1470 * If the view does not have focus, any tap on the view 1471 * will just focus the view. If the view has focus, determine 1472 * if the touch target is a recipient chip. If it is and the chip 1473 * is not selected, select it and clear any other selected chips. 1474 * If it isn't, then select that chip. 1475 */ 1476 @Override 1477 public boolean onTouchEvent(MotionEvent event) { 1478 if (!isFocused()) { 1479 // Ignore any chip taps until this view is focused. 1480 return super.onTouchEvent(event); 1481 } 1482 boolean handled = super.onTouchEvent(event); 1483 int action = event.getAction(); 1484 boolean chipWasSelected = false; 1485 if (mSelectedChip == null) { 1486 mGestureDetector.onTouchEvent(event); 1487 } 1488 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1489 float x = event.getX(); 1490 float y = event.getY(); 1491 int offset = putOffsetInRange(x, y); 1492 DrawableRecipientChip currentChip = findChip(offset); 1493 if (currentChip != null) { 1494 if (action == MotionEvent.ACTION_UP) { 1495 if (mSelectedChip != null && mSelectedChip != currentChip) { 1496 clearSelectedChip(); 1497 mSelectedChip = selectChip(currentChip); 1498 } else if (mSelectedChip == null) { 1499 setSelection(getText().length()); 1500 commitDefault(); 1501 mSelectedChip = selectChip(currentChip); 1502 } else { 1503 onClick(mSelectedChip, offset, x, y); 1504 } 1505 } 1506 chipWasSelected = true; 1507 handled = true; 1508 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1509 chipWasSelected = true; 1510 } 1511 } 1512 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1513 clearSelectedChip(); 1514 } 1515 return handled; 1516 } 1517 1518 private void scrollLineIntoView(int line) { 1519 if (mScrollView != null) { 1520 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1521 } 1522 } 1523 1524 private void showAlternates(final DrawableRecipientChip currentChip, 1525 final ListPopupWindow alternatesPopup, final int width) { 1526 new AsyncTask<Void, Void, ListAdapter>() { 1527 @Override 1528 protected ListAdapter doInBackground(final Void... params) { 1529 return createAlternatesAdapter(currentChip); 1530 } 1531 1532 @Override 1533 protected void onPostExecute(final ListAdapter result) { 1534 if (!mAttachedToWindow) { 1535 return; 1536 } 1537 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1538 int bottom; 1539 if (line == getLineCount() -1) { 1540 bottom = 0; 1541 } else { 1542 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math 1543 .abs(getLineCount() - 1 - line))); 1544 } 1545 // Align the alternates popup with the left side of the View, 1546 // regardless of the position of the chip tapped. 1547 alternatesPopup.setWidth(width); 1548 alternatesPopup.setAnchorView(RecipientEditTextView.this); 1549 alternatesPopup.setVerticalOffset(bottom); 1550 alternatesPopup.setAdapter(result); 1551 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1552 // Clear the checked item. 1553 mCheckedItem = -1; 1554 alternatesPopup.show(); 1555 ListView listView = alternatesPopup.getListView(); 1556 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1557 // Checked item would be -1 if the adapter has not 1558 // loaded the view that should be checked yet. The 1559 // variable will be set correctly when onCheckedItemChanged 1560 // is called in a separate thread. 1561 if (mCheckedItem != -1) { 1562 listView.setItemChecked(mCheckedItem, true); 1563 mCheckedItem = -1; 1564 } 1565 } 1566 }.execute((Void[]) null); 1567 } 1568 1569 private ListAdapter createAlternatesAdapter(DrawableRecipientChip chip) { 1570 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1571 getAdapter().getQueryType(), this, mDropdownChipLayouter); 1572 } 1573 1574 private ListAdapter createSingleAddressAdapter(DrawableRecipientChip currentChip) { 1575 return new SingleRecipientArrayAdapter(getContext(), currentChip.getEntry(), 1576 mDropdownChipLayouter); 1577 } 1578 1579 @Override 1580 public void onCheckedItemChanged(int position) { 1581 ListView listView = mAlternatesPopup.getListView(); 1582 if (listView != null && listView.getCheckedItemCount() == 0) { 1583 listView.setItemChecked(position, true); 1584 } 1585 mCheckedItem = position; 1586 } 1587 1588 private int putOffsetInRange(final float x, final float y) { 1589 final int offset; 1590 1591 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) { 1592 offset = getOffsetForPosition(x, y); 1593 } else { 1594 offset = supportGetOffsetForPosition(x, y); 1595 } 1596 1597 return putOffsetInRange(offset); 1598 } 1599 1600 // TODO: This algorithm will need a lot of tweaking after more people have used 1601 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1602 // what comes before the finger. 1603 private int putOffsetInRange(int o) { 1604 int offset = o; 1605 Editable text = getText(); 1606 int length = text.length(); 1607 // Remove whitespace from end to find "real end" 1608 int realLength = length; 1609 for (int i = length - 1; i >= 0; i--) { 1610 if (text.charAt(i) == ' ') { 1611 realLength--; 1612 } else { 1613 break; 1614 } 1615 } 1616 1617 // If the offset is beyond or at the end of the text, 1618 // leave it alone. 1619 if (offset >= realLength) { 1620 return offset; 1621 } 1622 Editable editable = getText(); 1623 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1624 // Keep walking backward! 1625 offset--; 1626 } 1627 return offset; 1628 } 1629 1630 private static int findText(Editable text, int offset) { 1631 if (text.charAt(offset) != ' ') { 1632 return offset; 1633 } 1634 return -1; 1635 } 1636 1637 private DrawableRecipientChip findChip(int offset) { 1638 DrawableRecipientChip[] chips = 1639 getSpannable().getSpans(0, getText().length(), DrawableRecipientChip.class); 1640 // Find the chip that contains this offset. 1641 for (int i = 0; i < chips.length; i++) { 1642 DrawableRecipientChip chip = chips[i]; 1643 int start = getChipStart(chip); 1644 int end = getChipEnd(chip); 1645 if (offset >= start && offset <= end) { 1646 return chip; 1647 } 1648 } 1649 return null; 1650 } 1651 1652 // Visible for testing. 1653 // Use this method to generate text to add to the list of addresses. 1654 /* package */String createAddressText(RecipientEntry entry) { 1655 String display = entry.getDisplayName(); 1656 String address = entry.getDestination(); 1657 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1658 display = null; 1659 } 1660 String trimmedDisplayText; 1661 if (isPhoneQuery() && isPhoneNumber(address)) { 1662 trimmedDisplayText = address.trim(); 1663 } else { 1664 if (address != null) { 1665 // Tokenize out the address in case the address already 1666 // contained the username as well. 1667 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1668 if (tokenized != null && tokenized.length > 0) { 1669 address = tokenized[0].getAddress(); 1670 } 1671 } 1672 Rfc822Token token = new Rfc822Token(display, address, null); 1673 trimmedDisplayText = token.toString().trim(); 1674 } 1675 int index = trimmedDisplayText.indexOf(","); 1676 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1677 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1678 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1679 } 1680 1681 // Visible for testing. 1682 // Use this method to generate text to display in a chip. 1683 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1684 String display = entry.getDisplayName(); 1685 String address = entry.getDestination(); 1686 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1687 display = null; 1688 } 1689 if (!TextUtils.isEmpty(display)) { 1690 return display; 1691 } else if (!TextUtils.isEmpty(address)){ 1692 return address; 1693 } else { 1694 return new Rfc822Token(display, address, null).toString(); 1695 } 1696 } 1697 1698 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1699 String displayText = createAddressText(entry); 1700 if (TextUtils.isEmpty(displayText)) { 1701 return null; 1702 } 1703 SpannableString chipText = null; 1704 // Always leave a blank space at the end of a chip. 1705 int textLength = displayText.length() - 1; 1706 chipText = new SpannableString(displayText); 1707 if (!mNoChips) { 1708 try { 1709 DrawableRecipientChip chip = constructChipSpan(entry, pressed, 1710 false /* leave space for contact icon */); 1711 chipText.setSpan(chip, 0, textLength, 1712 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1713 chip.setOriginalText(chipText.toString()); 1714 } catch (NullPointerException e) { 1715 Log.e(TAG, e.getMessage(), e); 1716 return null; 1717 } 1718 } 1719 return chipText; 1720 } 1721 1722 /** 1723 * When an item in the suggestions list has been clicked, create a chip from the 1724 * contact information of the selected item. 1725 */ 1726 @Override 1727 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1728 if (position < 0) { 1729 return; 1730 } 1731 submitItemAtPosition(position); 1732 } 1733 1734 private void submitItemAtPosition(int position) { 1735 RecipientEntry entry = createValidatedEntry(getAdapter().getItem(position)); 1736 if (entry == null) { 1737 return; 1738 } 1739 clearComposingText(); 1740 1741 int end = getSelectionEnd(); 1742 int start = mTokenizer.findTokenStart(getText(), end); 1743 1744 Editable editable = getText(); 1745 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1746 CharSequence chip = createChip(entry, false); 1747 if (chip != null && start >= 0 && end >= 0) { 1748 editable.replace(start, end, chip); 1749 } 1750 sanitizeBetween(); 1751 } 1752 1753 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1754 if (item == null) { 1755 return null; 1756 } 1757 final RecipientEntry entry; 1758 // If the display name and the address are the same, or if this is a 1759 // valid contact, but the destination is invalid, then make this a fake 1760 // recipient that is editable. 1761 String destination = item.getDestination(); 1762 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1763 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1764 destination, item.isValid()); 1765 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1766 && (TextUtils.isEmpty(item.getDisplayName()) 1767 || TextUtils.equals(item.getDisplayName(), destination) 1768 || (mValidator != null && !mValidator.isValid(destination)))) { 1769 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1770 } else { 1771 entry = item; 1772 } 1773 return entry; 1774 } 1775 1776 /** Returns a collection of contact Id for each chip inside this View. */ 1777 /* package */ Collection<Long> getContactIds() { 1778 final Set<Long> result = new HashSet<Long>(); 1779 DrawableRecipientChip[] chips = getSortedRecipients(); 1780 if (chips != null) { 1781 for (DrawableRecipientChip chip : chips) { 1782 result.add(chip.getContactId()); 1783 } 1784 } 1785 return result; 1786 } 1787 1788 1789 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1790 /* package */ Collection<Long> getDataIds() { 1791 final Set<Long> result = new HashSet<Long>(); 1792 DrawableRecipientChip [] chips = getSortedRecipients(); 1793 if (chips != null) { 1794 for (DrawableRecipientChip chip : chips) { 1795 result.add(chip.getDataId()); 1796 } 1797 } 1798 return result; 1799 } 1800 1801 // Visible for testing. 1802 /* package */DrawableRecipientChip[] getSortedRecipients() { 1803 DrawableRecipientChip[] recips = getSpannable() 1804 .getSpans(0, getText().length(), DrawableRecipientChip.class); 1805 ArrayList<DrawableRecipientChip> recipientsList = new ArrayList<DrawableRecipientChip>( 1806 Arrays.asList(recips)); 1807 final Spannable spannable = getSpannable(); 1808 Collections.sort(recipientsList, new Comparator<DrawableRecipientChip>() { 1809 1810 @Override 1811 public int compare(DrawableRecipientChip first, DrawableRecipientChip second) { 1812 int firstStart = spannable.getSpanStart(first); 1813 int secondStart = spannable.getSpanStart(second); 1814 if (firstStart < secondStart) { 1815 return -1; 1816 } else if (firstStart > secondStart) { 1817 return 1; 1818 } else { 1819 return 0; 1820 } 1821 } 1822 }); 1823 return recipientsList.toArray(new DrawableRecipientChip[recipientsList.size()]); 1824 } 1825 1826 @Override 1827 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1828 return false; 1829 } 1830 1831 @Override 1832 public void onDestroyActionMode(ActionMode mode) { 1833 } 1834 1835 @Override 1836 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1837 return false; 1838 } 1839 1840 /** 1841 * No chips are selectable. 1842 */ 1843 @Override 1844 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1845 return false; 1846 } 1847 1848 // Visible for testing. 1849 /* package */ImageSpan getMoreChip() { 1850 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1851 MoreImageSpan.class); 1852 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1853 } 1854 1855 private MoreImageSpan createMoreSpan(int count) { 1856 String moreText = String.format(mMoreItem.getText().toString(), count); 1857 TextPaint morePaint = new TextPaint(getPaint()); 1858 morePaint.setTextSize(mMoreItem.getTextSize()); 1859 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1860 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1861 + mMoreItem.getPaddingRight(); 1862 int height = getLineHeight(); 1863 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1864 Canvas canvas = new Canvas(drawable); 1865 int adjustedHeight = height; 1866 Layout layout = getLayout(); 1867 if (layout != null) { 1868 adjustedHeight -= layout.getLineDescent(0); 1869 } 1870 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1871 1872 Drawable result = new BitmapDrawable(getResources(), drawable); 1873 result.setBounds(0, 0, width, height); 1874 return new MoreImageSpan(result); 1875 } 1876 1877 // Visible for testing. 1878 /*package*/ void createMoreChipPlainText() { 1879 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1880 Editable text = getText(); 1881 int start = 0; 1882 int end = start; 1883 for (int i = 0; i < CHIP_LIMIT; i++) { 1884 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1885 start = end; // move to the next token and get its end. 1886 } 1887 // Now, count total addresses. 1888 start = 0; 1889 int tokenCount = countTokens(text); 1890 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1891 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1892 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1893 text.replace(end, text.length(), chipText); 1894 mMoreChip = moreSpan; 1895 } 1896 1897 // Visible for testing. 1898 /* package */int countTokens(Editable text) { 1899 int tokenCount = 0; 1900 int start = 0; 1901 while (start < text.length()) { 1902 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1903 tokenCount++; 1904 if (start >= text.length()) { 1905 break; 1906 } 1907 } 1908 return tokenCount; 1909 } 1910 1911 /** 1912 * Create the more chip. The more chip is text that replaces any chips that 1913 * do not fit in the pre-defined available space when the 1914 * RecipientEditTextView loses focus. 1915 */ 1916 // Visible for testing. 1917 /* package */ void createMoreChip() { 1918 if (mNoChips) { 1919 createMoreChipPlainText(); 1920 return; 1921 } 1922 1923 if (!mShouldShrink) { 1924 return; 1925 } 1926 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1927 if (tempMore.length > 0) { 1928 getSpannable().removeSpan(tempMore[0]); 1929 } 1930 DrawableRecipientChip[] recipients = getSortedRecipients(); 1931 1932 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1933 mMoreChip = null; 1934 return; 1935 } 1936 Spannable spannable = getSpannable(); 1937 int numRecipients = recipients.length; 1938 int overage = numRecipients - CHIP_LIMIT; 1939 MoreImageSpan moreSpan = createMoreSpan(overage); 1940 mRemovedSpans = new ArrayList<DrawableRecipientChip>(); 1941 int totalReplaceStart = 0; 1942 int totalReplaceEnd = 0; 1943 Editable text = getText(); 1944 for (int i = numRecipients - overage; i < recipients.length; i++) { 1945 mRemovedSpans.add(recipients[i]); 1946 if (i == numRecipients - overage) { 1947 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1948 } 1949 if (i == recipients.length - 1) { 1950 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1951 } 1952 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1953 int spanStart = spannable.getSpanStart(recipients[i]); 1954 int spanEnd = spannable.getSpanEnd(recipients[i]); 1955 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1956 } 1957 spannable.removeSpan(recipients[i]); 1958 } 1959 if (totalReplaceEnd < text.length()) { 1960 totalReplaceEnd = text.length(); 1961 } 1962 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1963 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1964 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1965 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1966 text.replace(start, end, chipText); 1967 mMoreChip = moreSpan; 1968 // If adding the +more chip goes over the limit, resize accordingly. 1969 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1970 setMaxLines(getLineCount()); 1971 } 1972 } 1973 1974 /** 1975 * Replace the more chip, if it exists, with all of the recipient chips it had 1976 * replaced when the RecipientEditTextView gains focus. 1977 */ 1978 // Visible for testing. 1979 /*package*/ void removeMoreChip() { 1980 if (mMoreChip != null) { 1981 Spannable span = getSpannable(); 1982 span.removeSpan(mMoreChip); 1983 mMoreChip = null; 1984 // Re-add the spans that were removed. 1985 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1986 // Recreate each removed span. 1987 DrawableRecipientChip[] recipients = getSortedRecipients(); 1988 // Start the search for tokens after the last currently visible 1989 // chip. 1990 if (recipients == null || recipients.length == 0) { 1991 return; 1992 } 1993 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1994 Editable editable = getText(); 1995 for (DrawableRecipientChip chip : mRemovedSpans) { 1996 int chipStart; 1997 int chipEnd; 1998 String token; 1999 // Need to find the location of the chip, again. 2000 token = (String) chip.getOriginalText(); 2001 // As we find the matching recipient for the remove spans, 2002 // reduce the size of the string we need to search. 2003 // That way, if there are duplicates, we always find the correct 2004 // recipient. 2005 chipStart = editable.toString().indexOf(token, end); 2006 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 2007 // Only set the span if we found a matching token. 2008 if (chipStart != -1) { 2009 editable.setSpan(chip, chipStart, chipEnd, 2010 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 2011 } 2012 } 2013 mRemovedSpans.clear(); 2014 } 2015 } 2016 } 2017 2018 /** 2019 * Show specified chip as selected. If the RecipientChip is just an email address, 2020 * selecting the chip will take the contents of the chip and place it at 2021 * the end of the RecipientEditTextView for inline editing. If the 2022 * RecipientChip is a complete contact, then selecting the chip 2023 * will change the background color of the chip, show the delete icon, 2024 * and a popup window with the address in use highlighted and any other 2025 * alternate addresses for the contact. 2026 * @param currentChip Chip to select. 2027 * @return A RecipientChip in the selected state or null if the chip 2028 * just contained an email address. 2029 */ 2030 private DrawableRecipientChip selectChip(DrawableRecipientChip currentChip) { 2031 if (shouldShowEditableText(currentChip)) { 2032 CharSequence text = currentChip.getValue(); 2033 Editable editable = getText(); 2034 Spannable spannable = getSpannable(); 2035 int spanStart = spannable.getSpanStart(currentChip); 2036 int spanEnd = spannable.getSpanEnd(currentChip); 2037 spannable.removeSpan(currentChip); 2038 editable.delete(spanStart, spanEnd); 2039 setCursorVisible(true); 2040 setSelection(editable.length()); 2041 editable.append(text); 2042 return constructChipSpan( 2043 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 2044 true, false); 2045 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT 2046 || currentChip.isGalContact()) { 2047 int start = getChipStart(currentChip); 2048 int end = getChipEnd(currentChip); 2049 getSpannable().removeSpan(currentChip); 2050 DrawableRecipientChip newChip; 2051 try { 2052 if (mNoChips) { 2053 return null; 2054 } 2055 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2056 } catch (NullPointerException e) { 2057 Log.e(TAG, e.getMessage(), e); 2058 return null; 2059 } 2060 Editable editable = getText(); 2061 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2062 if (start == -1 || end == -1) { 2063 Log.d(TAG, "The chip being selected no longer exists but should."); 2064 } else { 2065 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2066 } 2067 newChip.setSelected(true); 2068 if (shouldShowEditableText(newChip)) { 2069 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2070 } 2071 showAddress(newChip, mAddressPopup, getWidth()); 2072 setCursorVisible(false); 2073 return newChip; 2074 } else { 2075 int start = getChipStart(currentChip); 2076 int end = getChipEnd(currentChip); 2077 getSpannable().removeSpan(currentChip); 2078 DrawableRecipientChip newChip; 2079 try { 2080 newChip = constructChipSpan(currentChip.getEntry(), true, false); 2081 } catch (NullPointerException e) { 2082 Log.e(TAG, e.getMessage(), e); 2083 return null; 2084 } 2085 Editable editable = getText(); 2086 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2087 if (start == -1 || end == -1) { 2088 Log.d(TAG, "The chip being selected no longer exists but should."); 2089 } else { 2090 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2091 } 2092 newChip.setSelected(true); 2093 if (shouldShowEditableText(newChip)) { 2094 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 2095 } 2096 showAlternates(newChip, mAlternatesPopup, getWidth()); 2097 setCursorVisible(false); 2098 return newChip; 2099 } 2100 } 2101 2102 private boolean shouldShowEditableText(DrawableRecipientChip currentChip) { 2103 long contactId = currentChip.getContactId(); 2104 return contactId == RecipientEntry.INVALID_CONTACT 2105 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2106 } 2107 2108 private void showAddress(final DrawableRecipientChip currentChip, final ListPopupWindow popup, 2109 int width) { 2110 if (!mAttachedToWindow) { 2111 return; 2112 } 2113 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 2114 int bottom = calculateOffsetFromBottom(line); 2115 // Align the alternates popup with the left side of the View, 2116 // regardless of the position of the chip tapped. 2117 popup.setWidth(width); 2118 popup.setAnchorView(this); 2119 popup.setVerticalOffset(bottom); 2120 popup.setAdapter(createSingleAddressAdapter(currentChip)); 2121 popup.setOnItemClickListener(new OnItemClickListener() { 2122 @Override 2123 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 2124 unselectChip(currentChip); 2125 popup.dismiss(); 2126 } 2127 }); 2128 popup.show(); 2129 ListView listView = popup.getListView(); 2130 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 2131 listView.setItemChecked(0, true); 2132 } 2133 2134 /** 2135 * Remove selection from this chip. Unselecting a RecipientChip will render 2136 * the chip without a delete icon and with an unfocused background. This is 2137 * called when the RecipientChip no longer has focus. 2138 */ 2139 private void unselectChip(DrawableRecipientChip chip) { 2140 int start = getChipStart(chip); 2141 int end = getChipEnd(chip); 2142 Editable editable = getText(); 2143 mSelectedChip = null; 2144 if (start == -1 || end == -1) { 2145 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2146 setSelection(editable.length()); 2147 commitDefault(); 2148 } else { 2149 getSpannable().removeSpan(chip); 2150 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2151 editable.removeSpan(chip); 2152 try { 2153 if (!mNoChips) { 2154 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2155 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2156 } 2157 } catch (NullPointerException e) { 2158 Log.e(TAG, e.getMessage(), e); 2159 } 2160 } 2161 setCursorVisible(true); 2162 setSelection(editable.length()); 2163 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2164 mAlternatesPopup.dismiss(); 2165 } 2166 } 2167 2168 /** 2169 * Return whether a touch event was inside the delete target of 2170 * a selected chip. It is in the delete target if: 2171 * 1) the x and y points of the event are within the 2172 * delete assset. 2173 * 2) the point tapped would have caused a cursor to appear 2174 * right after the selected chip. 2175 * @return boolean 2176 */ 2177 private boolean isInDelete(DrawableRecipientChip chip, int offset, float x, float y) { 2178 // Figure out the bounds of this chip and whether or not 2179 // the user clicked in the X portion. 2180 // TODO: Should x and y be used, or removed? 2181 if (mDisableDelete) { 2182 return false; 2183 } 2184 2185 return chip.isSelected() && 2186 ((mAvatarPosition == AVATAR_POSITION_END && offset == getChipEnd(chip)) || 2187 (mAvatarPosition != AVATAR_POSITION_END && offset == getChipStart(chip))); 2188 } 2189 2190 /** 2191 * Remove the chip and any text associated with it from the RecipientEditTextView. 2192 */ 2193 // Visible for testing. 2194 /* package */void removeChip(DrawableRecipientChip chip) { 2195 Spannable spannable = getSpannable(); 2196 int spanStart = spannable.getSpanStart(chip); 2197 int spanEnd = spannable.getSpanEnd(chip); 2198 Editable text = getText(); 2199 int toDelete = spanEnd; 2200 boolean wasSelected = chip == mSelectedChip; 2201 // Clear that there is a selected chip before updating any text. 2202 if (wasSelected) { 2203 mSelectedChip = null; 2204 } 2205 // Always remove trailing spaces when removing a chip. 2206 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2207 toDelete++; 2208 } 2209 spannable.removeSpan(chip); 2210 if (spanStart >= 0 && toDelete > 0) { 2211 text.delete(spanStart, toDelete); 2212 } 2213 if (wasSelected) { 2214 clearSelectedChip(); 2215 } 2216 } 2217 2218 /** 2219 * Replace this currently selected chip with a new chip 2220 * that uses the contact data provided. 2221 */ 2222 // Visible for testing. 2223 /*package*/ void replaceChip(DrawableRecipientChip chip, RecipientEntry entry) { 2224 boolean wasSelected = chip == mSelectedChip; 2225 if (wasSelected) { 2226 mSelectedChip = null; 2227 } 2228 int start = getChipStart(chip); 2229 int end = getChipEnd(chip); 2230 getSpannable().removeSpan(chip); 2231 Editable editable = getText(); 2232 CharSequence chipText = createChip(entry, false); 2233 if (chipText != null) { 2234 if (start == -1 || end == -1) { 2235 Log.e(TAG, "The chip to replace does not exist but should."); 2236 editable.insert(0, chipText); 2237 } else { 2238 if (!TextUtils.isEmpty(chipText)) { 2239 // There may be a space to replace with this chip's new 2240 // associated space. Check for it 2241 int toReplace = end; 2242 while (toReplace >= 0 && toReplace < editable.length() 2243 && editable.charAt(toReplace) == ' ') { 2244 toReplace++; 2245 } 2246 editable.replace(start, toReplace, chipText); 2247 } 2248 } 2249 } 2250 setCursorVisible(true); 2251 if (wasSelected) { 2252 clearSelectedChip(); 2253 } 2254 } 2255 2256 /** 2257 * Handle click events for a chip. When a selected chip receives a click 2258 * event, see if that event was in the delete icon. If so, delete it. 2259 * Otherwise, unselect the chip. 2260 */ 2261 public void onClick(DrawableRecipientChip chip, int offset, float x, float y) { 2262 if (chip.isSelected()) { 2263 if (isInDelete(chip, offset, x, y)) { 2264 removeChip(chip); 2265 } else { 2266 clearSelectedChip(); 2267 } 2268 } 2269 } 2270 2271 private boolean chipsPending() { 2272 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2273 } 2274 2275 @Override 2276 public void removeTextChangedListener(TextWatcher watcher) { 2277 mTextWatcher = null; 2278 super.removeTextChangedListener(watcher); 2279 } 2280 2281 private class RecipientTextWatcher implements TextWatcher { 2282 2283 @Override 2284 public void afterTextChanged(Editable s) { 2285 // If the text has been set to null or empty, make sure we remove 2286 // all the spans we applied. 2287 if (TextUtils.isEmpty(s)) { 2288 // Remove all the chips spans. 2289 Spannable spannable = getSpannable(); 2290 DrawableRecipientChip[] chips = spannable.getSpans(0, getText().length(), 2291 DrawableRecipientChip.class); 2292 for (DrawableRecipientChip chip : chips) { 2293 spannable.removeSpan(chip); 2294 } 2295 if (mMoreChip != null) { 2296 spannable.removeSpan(mMoreChip); 2297 } 2298 clearSelectedChip(); 2299 return; 2300 } 2301 // Get whether there are any recipients pending addition to the 2302 // view. If there are, don't do anything in the text watcher. 2303 if (chipsPending()) { 2304 return; 2305 } 2306 // If the user is editing a chip, don't clear it. 2307 if (mSelectedChip != null) { 2308 if (!isGeneratedContact(mSelectedChip)) { 2309 setCursorVisible(true); 2310 setSelection(getText().length()); 2311 clearSelectedChip(); 2312 } else { 2313 return; 2314 } 2315 } 2316 int length = s.length(); 2317 // Make sure there is content there to parse and that it is 2318 // not just the commit character. 2319 if (length > 1) { 2320 if (lastCharacterIsCommitCharacter(s)) { 2321 commitByCharacter(); 2322 return; 2323 } 2324 char last; 2325 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2326 int len = length() - 1; 2327 if (end != len) { 2328 last = s.charAt(end); 2329 } else { 2330 last = s.charAt(len); 2331 } 2332 if (last == COMMIT_CHAR_SPACE) { 2333 if (!isPhoneQuery()) { 2334 // Check if this is a valid email address. If it is, 2335 // commit it. 2336 String text = getText().toString(); 2337 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2338 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2339 tokenStart)); 2340 if (!TextUtils.isEmpty(sub) && mValidator != null && 2341 mValidator.isValid(sub)) { 2342 commitByCharacter(); 2343 } 2344 } 2345 } 2346 } 2347 } 2348 2349 @Override 2350 public void onTextChanged(CharSequence s, int start, int before, int count) { 2351 // The user deleted some text OR some text was replaced; check to 2352 // see if the insertion point is on a space 2353 // following a chip. 2354 if (before - count == 1) { 2355 // If the item deleted is a space, and the thing before the 2356 // space is a chip, delete the entire span. 2357 int selStart = getSelectionStart(); 2358 DrawableRecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2359 DrawableRecipientChip.class); 2360 if (repl.length > 0) { 2361 // There is a chip there! Just remove it. 2362 Editable editable = getText(); 2363 // Add the separator token. 2364 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2365 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2366 tokenEnd = tokenEnd + 1; 2367 if (tokenEnd > editable.length()) { 2368 tokenEnd = editable.length(); 2369 } 2370 editable.delete(tokenStart, tokenEnd); 2371 getSpannable().removeSpan(repl[0]); 2372 } 2373 } else if (count > before) { 2374 if (mSelectedChip != null 2375 && isGeneratedContact(mSelectedChip)) { 2376 if (lastCharacterIsCommitCharacter(s)) { 2377 commitByCharacter(); 2378 return; 2379 } 2380 } 2381 } 2382 } 2383 2384 @Override 2385 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2386 // Do nothing. 2387 } 2388 } 2389 2390 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2391 char last; 2392 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2393 int len = length() - 1; 2394 if (end != len) { 2395 last = s.charAt(end); 2396 } else { 2397 last = s.charAt(len); 2398 } 2399 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2400 } 2401 2402 public boolean isGeneratedContact(DrawableRecipientChip chip) { 2403 long contactId = chip.getContactId(); 2404 return contactId == RecipientEntry.INVALID_CONTACT 2405 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2406 } 2407 2408 /** 2409 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2410 */ 2411 private void handlePasteClip(ClipData clip) { 2412 removeTextChangedListener(mTextWatcher); 2413 2414 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2415 for (int i = 0; i < clip.getItemCount(); i++) { 2416 CharSequence paste = clip.getItemAt(i).getText(); 2417 if (paste != null) { 2418 int start = getSelectionStart(); 2419 int end = getSelectionEnd(); 2420 Editable editable = getText(); 2421 if (start >= 0 && end >= 0 && start != end) { 2422 editable.append(paste, start, end); 2423 } else { 2424 editable.insert(end, paste); 2425 } 2426 handlePasteAndReplace(); 2427 } 2428 } 2429 } 2430 2431 mHandler.post(mAddTextWatcher); 2432 } 2433 2434 @Override 2435 public boolean onTextContextMenuItem(int id) { 2436 if (id == android.R.id.paste) { 2437 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2438 Context.CLIPBOARD_SERVICE); 2439 handlePasteClip(clipboard.getPrimaryClip()); 2440 return true; 2441 } 2442 return super.onTextContextMenuItem(id); 2443 } 2444 2445 private void handlePasteAndReplace() { 2446 ArrayList<DrawableRecipientChip> created = handlePaste(); 2447 if (created != null && created.size() > 0) { 2448 // Perform reverse lookups on the pasted contacts. 2449 IndividualReplacementTask replace = new IndividualReplacementTask(); 2450 replace.execute(created); 2451 } 2452 } 2453 2454 // Visible for testing. 2455 /* package */ArrayList<DrawableRecipientChip> handlePaste() { 2456 String text = getText().toString(); 2457 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2458 String lastAddress = text.substring(originalTokenStart); 2459 int tokenStart = originalTokenStart; 2460 int prevTokenStart = 0; 2461 DrawableRecipientChip findChip = null; 2462 ArrayList<DrawableRecipientChip> created = new ArrayList<DrawableRecipientChip>(); 2463 if (tokenStart != 0) { 2464 // There are things before this! 2465 while (tokenStart != 0 && findChip == null && tokenStart != prevTokenStart) { 2466 prevTokenStart = tokenStart; 2467 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2468 findChip = findChip(tokenStart); 2469 if (tokenStart == originalTokenStart && findChip == null) { 2470 break; 2471 } 2472 } 2473 if (tokenStart != originalTokenStart) { 2474 if (findChip != null) { 2475 tokenStart = prevTokenStart; 2476 } 2477 int tokenEnd; 2478 DrawableRecipientChip createdChip; 2479 while (tokenStart < originalTokenStart) { 2480 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2481 tokenStart)); 2482 commitChip(tokenStart, tokenEnd, getText()); 2483 createdChip = findChip(tokenStart); 2484 if (createdChip == null) { 2485 break; 2486 } 2487 // +1 for the space at the end. 2488 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2489 created.add(createdChip); 2490 } 2491 } 2492 } 2493 // Take a look at the last token. If the token has been completed with a 2494 // commit character, create a chip. 2495 if (isCompletedToken(lastAddress)) { 2496 Editable editable = getText(); 2497 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2498 commitChip(tokenStart, editable.length(), editable); 2499 created.add(findChip(tokenStart)); 2500 } 2501 return created; 2502 } 2503 2504 // Visible for testing. 2505 /* package */int movePastTerminators(int tokenEnd) { 2506 if (tokenEnd >= length()) { 2507 return tokenEnd; 2508 } 2509 char atEnd = getText().toString().charAt(tokenEnd); 2510 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2511 tokenEnd++; 2512 } 2513 // This token had not only an end token character, but also a space 2514 // separating it from the next token. 2515 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2516 tokenEnd++; 2517 } 2518 return tokenEnd; 2519 } 2520 2521 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2522 private DrawableRecipientChip createFreeChip(RecipientEntry entry) { 2523 try { 2524 if (mNoChips) { 2525 return null; 2526 } 2527 return constructChipSpan(entry, false, 2528 false /*leave space for contact icon */); 2529 } catch (NullPointerException e) { 2530 Log.e(TAG, e.getMessage(), e); 2531 return null; 2532 } 2533 } 2534 2535 @Override 2536 protected void onPreExecute() { 2537 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2538 // replaced 2539 final List<DrawableRecipientChip> originalRecipients = 2540 new ArrayList<DrawableRecipientChip>(); 2541 final DrawableRecipientChip[] existingChips = getSortedRecipients(); 2542 for (int i = 0; i < existingChips.length; i++) { 2543 originalRecipients.add(existingChips[i]); 2544 } 2545 if (mRemovedSpans != null) { 2546 originalRecipients.addAll(mRemovedSpans); 2547 } 2548 2549 final List<DrawableRecipientChip> replacements = 2550 new ArrayList<DrawableRecipientChip>(originalRecipients.size()); 2551 2552 for (final DrawableRecipientChip chip : originalRecipients) { 2553 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2554 && getSpannable().getSpanStart(chip) != -1) { 2555 replacements.add(createFreeChip(chip.getEntry())); 2556 } else { 2557 replacements.add(null); 2558 } 2559 } 2560 2561 processReplacements(originalRecipients, replacements); 2562 } 2563 2564 @Override 2565 protected Void doInBackground(Void... params) { 2566 if (mIndividualReplacements != null) { 2567 mIndividualReplacements.cancel(true); 2568 } 2569 // For each chip in the list, look up the matching contact. 2570 // If there is a match, replace that chip with the matching 2571 // chip. 2572 final ArrayList<DrawableRecipientChip> recipients = 2573 new ArrayList<DrawableRecipientChip>(); 2574 DrawableRecipientChip[] existingChips = getSortedRecipients(); 2575 for (int i = 0; i < existingChips.length; i++) { 2576 recipients.add(existingChips[i]); 2577 } 2578 if (mRemovedSpans != null) { 2579 recipients.addAll(mRemovedSpans); 2580 } 2581 ArrayList<String> addresses = new ArrayList<String>(); 2582 DrawableRecipientChip chip; 2583 for (int i = 0; i < recipients.size(); i++) { 2584 chip = recipients.get(i); 2585 if (chip != null) { 2586 addresses.add(createAddressText(chip.getEntry())); 2587 } 2588 } 2589 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2590 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2591 adapter.getAccount(), new RecipientMatchCallback() { 2592 @Override 2593 public void matchesFound(Map<String, RecipientEntry> entries) { 2594 final ArrayList<DrawableRecipientChip> replacements = 2595 new ArrayList<DrawableRecipientChip>(); 2596 for (final DrawableRecipientChip temp : recipients) { 2597 RecipientEntry entry = null; 2598 if (temp != null && RecipientEntry.isCreatedRecipient( 2599 temp.getEntry().getContactId()) 2600 && getSpannable().getSpanStart(temp) != -1) { 2601 // Replace this. 2602 entry = createValidatedEntry( 2603 entries.get(tokenizeAddress(temp.getEntry() 2604 .getDestination()))); 2605 } 2606 if (entry != null) { 2607 replacements.add(createFreeChip(entry)); 2608 } else { 2609 replacements.add(null); 2610 } 2611 } 2612 processReplacements(recipients, replacements); 2613 } 2614 2615 @Override 2616 public void matchesNotFound(final Set<String> unfoundAddresses) { 2617 final List<DrawableRecipientChip> replacements = 2618 new ArrayList<DrawableRecipientChip>(unfoundAddresses.size()); 2619 2620 for (final DrawableRecipientChip temp : recipients) { 2621 if (temp != null && RecipientEntry.isCreatedRecipient( 2622 temp.getEntry().getContactId()) 2623 && getSpannable().getSpanStart(temp) != -1) { 2624 if (unfoundAddresses.contains( 2625 temp.getEntry().getDestination())) { 2626 replacements.add(createFreeChip(temp.getEntry())); 2627 } else { 2628 replacements.add(null); 2629 } 2630 } else { 2631 replacements.add(null); 2632 } 2633 } 2634 2635 processReplacements(recipients, replacements); 2636 } 2637 }); 2638 return null; 2639 } 2640 2641 private void processReplacements(final List<DrawableRecipientChip> recipients, 2642 final List<DrawableRecipientChip> replacements) { 2643 if (replacements != null && replacements.size() > 0) { 2644 final Runnable runnable = new Runnable() { 2645 @Override 2646 public void run() { 2647 final Editable text = new SpannableStringBuilder(getText()); 2648 int i = 0; 2649 for (final DrawableRecipientChip chip : recipients) { 2650 final DrawableRecipientChip replacement = replacements.get(i); 2651 if (replacement != null) { 2652 final RecipientEntry oldEntry = chip.getEntry(); 2653 final RecipientEntry newEntry = replacement.getEntry(); 2654 final boolean isBetter = 2655 RecipientAlternatesAdapter.getBetterRecipient( 2656 oldEntry, newEntry) == newEntry; 2657 2658 if (isBetter) { 2659 // Find the location of the chip in the text currently shown. 2660 final int start = text.getSpanStart(chip); 2661 if (start != -1) { 2662 // Replacing the entirety of what the chip represented, 2663 // including the extra space dividing it from other chips. 2664 final int end = 2665 Math.min(text.getSpanEnd(chip) + 1, text.length()); 2666 text.removeSpan(chip); 2667 // Make sure we always have just 1 space at the end to 2668 // separate this chip from the next chip. 2669 final SpannableString displayText = 2670 new SpannableString(createAddressText( 2671 replacement.getEntry()).trim() + " "); 2672 displayText.setSpan(replacement, 0, 2673 displayText.length() - 1, 2674 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2675 // Replace the old text we found with with the new display 2676 // text, which now may also contain the display name of the 2677 // recipient. 2678 text.replace(start, end, displayText); 2679 replacement.setOriginalText(displayText.toString()); 2680 replacements.set(i, null); 2681 2682 recipients.set(i, replacement); 2683 } 2684 } 2685 } 2686 i++; 2687 } 2688 setText(text); 2689 } 2690 }; 2691 2692 if (Looper.myLooper() == Looper.getMainLooper()) { 2693 runnable.run(); 2694 } else { 2695 mHandler.post(runnable); 2696 } 2697 } 2698 } 2699 } 2700 2701 private class IndividualReplacementTask 2702 extends AsyncTask<ArrayList<DrawableRecipientChip>, Void, Void> { 2703 @Override 2704 protected Void doInBackground(ArrayList<DrawableRecipientChip>... params) { 2705 // For each chip in the list, look up the matching contact. 2706 // If there is a match, replace that chip with the matching 2707 // chip. 2708 final ArrayList<DrawableRecipientChip> originalRecipients = params[0]; 2709 ArrayList<String> addresses = new ArrayList<String>(); 2710 DrawableRecipientChip chip; 2711 for (int i = 0; i < originalRecipients.size(); i++) { 2712 chip = originalRecipients.get(i); 2713 if (chip != null) { 2714 addresses.add(createAddressText(chip.getEntry())); 2715 } 2716 } 2717 final BaseRecipientAdapter adapter = (BaseRecipientAdapter) getAdapter(); 2718 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), adapter, addresses, 2719 adapter.getAccount(), 2720 new RecipientMatchCallback() { 2721 2722 @Override 2723 public void matchesFound(Map<String, RecipientEntry> entries) { 2724 for (final DrawableRecipientChip temp : originalRecipients) { 2725 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2726 .getContactId()) 2727 && getSpannable().getSpanStart(temp) != -1) { 2728 // Replace this. 2729 final RecipientEntry entry = createValidatedEntry(entries 2730 .get(tokenizeAddress(temp.getEntry().getDestination()) 2731 .toLowerCase())); 2732 if (entry != null) { 2733 mHandler.post(new Runnable() { 2734 @Override 2735 public void run() { 2736 replaceChip(temp, entry); 2737 } 2738 }); 2739 } 2740 } 2741 } 2742 } 2743 2744 @Override 2745 public void matchesNotFound(final Set<String> unfoundAddresses) { 2746 // No action required 2747 } 2748 }); 2749 return null; 2750 } 2751 } 2752 2753 2754 /** 2755 * MoreImageSpan is a simple class created for tracking the existence of a 2756 * more chip across activity restarts/ 2757 */ 2758 private class MoreImageSpan extends ImageSpan { 2759 public MoreImageSpan(Drawable b) { 2760 super(b); 2761 } 2762 } 2763 2764 @Override 2765 public boolean onDown(MotionEvent e) { 2766 return false; 2767 } 2768 2769 @Override 2770 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2771 // Do nothing. 2772 return false; 2773 } 2774 2775 @Override 2776 public void onLongPress(MotionEvent event) { 2777 if (mSelectedChip != null) { 2778 return; 2779 } 2780 float x = event.getX(); 2781 float y = event.getY(); 2782 final int offset = putOffsetInRange(x, y); 2783 DrawableRecipientChip currentChip = findChip(offset); 2784 if (currentChip != null) { 2785 if (mDragEnabled) { 2786 // Start drag-and-drop for the selected chip. 2787 startDrag(currentChip); 2788 } else { 2789 // Copy the selected chip email address. 2790 showCopyDialog(currentChip.getEntry().getDestination()); 2791 } 2792 } 2793 } 2794 2795 // The following methods are used to provide some functionality on older versions of Android 2796 // These methods were copied out of JB MR2's TextView 2797 ///////////////////////////////////////////////// 2798 private int supportGetOffsetForPosition(float x, float y) { 2799 if (getLayout() == null) return -1; 2800 final int line = supportGetLineAtCoordinate(y); 2801 final int offset = supportGetOffsetAtCoordinate(line, x); 2802 return offset; 2803 } 2804 2805 private float supportConvertToLocalHorizontalCoordinate(float x) { 2806 x -= getTotalPaddingLeft(); 2807 // Clamp the position to inside of the view. 2808 x = Math.max(0.0f, x); 2809 x = Math.min(getWidth() - getTotalPaddingRight() - 1, x); 2810 x += getScrollX(); 2811 return x; 2812 } 2813 2814 private int supportGetLineAtCoordinate(float y) { 2815 y -= getTotalPaddingLeft(); 2816 // Clamp the position to inside of the view. 2817 y = Math.max(0.0f, y); 2818 y = Math.min(getHeight() - getTotalPaddingBottom() - 1, y); 2819 y += getScrollY(); 2820 return getLayout().getLineForVertical((int) y); 2821 } 2822 2823 private int supportGetOffsetAtCoordinate(int line, float x) { 2824 x = supportConvertToLocalHorizontalCoordinate(x); 2825 return getLayout().getOffsetForHorizontal(line, x); 2826 } 2827 ///////////////////////////////////////////////// 2828 2829 /** 2830 * Enables drag-and-drop for chips. 2831 */ 2832 public void enableDrag() { 2833 mDragEnabled = true; 2834 } 2835 2836 /** 2837 * Starts drag-and-drop for the selected chip. 2838 */ 2839 private void startDrag(DrawableRecipientChip currentChip) { 2840 String address = currentChip.getEntry().getDestination(); 2841 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2842 2843 // Start drag mode. 2844 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2845 2846 // Remove the current chip, so drag-and-drop will result in a move. 2847 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2848 removeChip(currentChip); 2849 } 2850 2851 /** 2852 * Handles drag event. 2853 */ 2854 @Override 2855 public boolean onDragEvent(DragEvent event) { 2856 switch (event.getAction()) { 2857 case DragEvent.ACTION_DRAG_STARTED: 2858 // Only handle plain text drag and drop. 2859 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2860 case DragEvent.ACTION_DRAG_ENTERED: 2861 requestFocus(); 2862 return true; 2863 case DragEvent.ACTION_DROP: 2864 handlePasteClip(event.getClipData()); 2865 return true; 2866 } 2867 return false; 2868 } 2869 2870 /** 2871 * Drag shadow for a {@link RecipientChip}. 2872 */ 2873 private final class RecipientChipShadow extends DragShadowBuilder { 2874 private final DrawableRecipientChip mChip; 2875 2876 public RecipientChipShadow(DrawableRecipientChip chip) { 2877 mChip = chip; 2878 } 2879 2880 @Override 2881 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2882 Rect rect = mChip.getBounds(); 2883 shadowSize.set(rect.width(), rect.height()); 2884 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2885 } 2886 2887 @Override 2888 public void onDrawShadow(Canvas canvas) { 2889 mChip.draw(canvas); 2890 } 2891 } 2892 2893 private void showCopyDialog(final String address) { 2894 if (!mAttachedToWindow) { 2895 return; 2896 } 2897 mCopyAddress = address; 2898 mCopyDialog.setTitle(address); 2899 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2900 mCopyDialog.setCancelable(true); 2901 mCopyDialog.setCanceledOnTouchOutside(true); 2902 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2903 button.setOnClickListener(this); 2904 int btnTitleId; 2905 if (isPhoneQuery()) { 2906 btnTitleId = R.string.copy_number; 2907 } else { 2908 btnTitleId = R.string.copy_email; 2909 } 2910 String buttonTitle = getContext().getResources().getString(btnTitleId); 2911 button.setText(buttonTitle); 2912 mCopyDialog.setOnDismissListener(this); 2913 mCopyDialog.show(); 2914 } 2915 2916 @Override 2917 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2918 // Do nothing. 2919 return false; 2920 } 2921 2922 @Override 2923 public void onShowPress(MotionEvent e) { 2924 // Do nothing. 2925 } 2926 2927 @Override 2928 public boolean onSingleTapUp(MotionEvent e) { 2929 // Do nothing. 2930 return false; 2931 } 2932 2933 @Override 2934 public void onDismiss(DialogInterface dialog) { 2935 mCopyAddress = null; 2936 } 2937 2938 @Override 2939 public void onClick(View v) { 2940 // Copy this to the clipboard. 2941 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2942 Context.CLIPBOARD_SERVICE); 2943 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2944 mCopyDialog.dismiss(); 2945 } 2946 2947 protected boolean isPhoneQuery() { 2948 return getAdapter() != null 2949 && getAdapter().getQueryType() == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2950 } 2951 2952 @Override 2953 public BaseRecipientAdapter getAdapter() { 2954 return (BaseRecipientAdapter) super.getAdapter(); 2955 } 2956} 2957