RecipientEditTextView.java revision 20c8aa75e7213ee82089b9aea9f407ca62302167
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.content.res.Resources; 27import android.content.res.TypedArray; 28import android.graphics.Bitmap; 29import android.graphics.BitmapFactory; 30import android.graphics.Canvas; 31import android.graphics.Matrix; 32import android.graphics.Point; 33import android.graphics.Rect; 34import android.graphics.RectF; 35import android.graphics.drawable.BitmapDrawable; 36import android.graphics.drawable.Drawable; 37import android.os.AsyncTask; 38import android.os.Handler; 39import android.os.Looper; 40import android.os.Message; 41import android.os.Parcelable; 42import android.text.Editable; 43import android.text.InputType; 44import android.text.Layout; 45import android.text.Spannable; 46import android.text.SpannableString; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.TypedValue; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.Filterable; 76import android.widget.ListAdapter; 77import android.widget.ListPopupWindow; 78import android.widget.ListView; 79import android.widget.MultiAutoCompleteTextView; 80import android.widget.ScrollView; 81import android.widget.TextView; 82 83import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 84 85import java.util.ArrayList; 86import java.util.Arrays; 87import java.util.Collection; 88import java.util.Collections; 89import java.util.Comparator; 90import java.util.HashSet; 91import java.util.List; 92import java.util.Map; 93import java.util.Set; 94import java.util.regex.Matcher; 95import java.util.regex.Pattern; 96 97/** 98 * RecipientEditTextView is an auto complete text view for use with applications 99 * that use the new Chips UI for addressing a message to recipients. 100 */ 101public class RecipientEditTextView extends MultiAutoCompleteTextView implements 102 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 103 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 104 TextView.OnEditorActionListener { 105 106 private static final char COMMIT_CHAR_COMMA = ','; 107 108 private static final char COMMIT_CHAR_SEMICOLON = ';'; 109 110 private static final char COMMIT_CHAR_SPACE = ' '; 111 112 private static final String SEPARATOR = String.valueOf(COMMIT_CHAR_COMMA) 113 + String.valueOf(COMMIT_CHAR_SPACE); 114 115 private static final String TAG = "RecipientEditTextView"; 116 117 private static int DISMISS = "dismiss".hashCode(); 118 119 private static final long DISMISS_DELAY = 300; 120 121 // TODO: get correct number/ algorithm from with UX. 122 // Visible for testing. 123 /*package*/ static final int CHIP_LIMIT = 2; 124 125 private static final int MAX_CHIPS_PARSED = 50; 126 127 private static int sSelectedTextColor = -1; 128 129 // Resources for displaying chips. 130 private Drawable mChipBackground = null; 131 132 private Drawable mChipDelete = null; 133 134 private Drawable mInvalidChipBackground; 135 136 private Drawable mChipBackgroundPressed; 137 138 private float mChipHeight; 139 140 private float mChipFontSize; 141 142 private float mLineSpacingExtra; 143 144 private int mChipPadding; 145 146 private Tokenizer mTokenizer; 147 148 private Validator mValidator; 149 150 private RecipientChip mSelectedChip; 151 152 private int mAlternatesLayout; 153 154 private Bitmap mDefaultContactPhoto; 155 156 private ImageSpan mMoreChip; 157 158 private TextView mMoreItem; 159 160 // VisibleForTesting 161 final ArrayList<String> mPendingChips = new ArrayList<String>(); 162 163 private Handler mHandler; 164 165 private int mPendingChipsCount = 0; 166 167 private boolean mNoChips = false; 168 169 private ListPopupWindow mAlternatesPopup; 170 171 private ListPopupWindow mAddressPopup; 172 173 // VisibleForTesting 174 ArrayList<RecipientChip> mTemporaryRecipients; 175 176 private ArrayList<RecipientChip> mRemovedSpans; 177 178 private boolean mShouldShrink = true; 179 180 // Chip copy fields. 181 private GestureDetector mGestureDetector; 182 183 private Dialog mCopyDialog; 184 185 private String mCopyAddress; 186 187 /** 188 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 189 * selected chip. 190 */ 191 private OnItemClickListener mAlternatesListener; 192 193 private int mCheckedItem; 194 195 private TextWatcher mTextWatcher; 196 197 // Obtain the enclosing scroll view, if it exists, so that the view can be 198 // scrolled to show the last line of chips content. 199 private ScrollView mScrollView; 200 201 private boolean mTriedGettingScrollView; 202 203 private boolean mDragEnabled = false; 204 205 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 206 // parens, so numbers such as "1 (425) 222-2342" match. 207 private static final Pattern PHONE_PATTERN 208 = Pattern.compile( // sdd = space, dot, or dash 209 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 210 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 211 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 212 213 private final Runnable mAddTextWatcher = new Runnable() { 214 @Override 215 public void run() { 216 if (mTextWatcher == null) { 217 mTextWatcher = new RecipientTextWatcher(); 218 addTextChangedListener(mTextWatcher); 219 } 220 } 221 }; 222 223 private IndividualReplacementTask mIndividualReplacements; 224 225 private Runnable mHandlePendingChips = new Runnable() { 226 227 @Override 228 public void run() { 229 handlePendingChips(); 230 } 231 232 }; 233 234 private Runnable mDelayedShrink = new Runnable() { 235 236 @Override 237 public void run() { 238 shrink(); 239 } 240 241 }; 242 243 private int mMaxLines; 244 245 private static int sExcessTopPadding = -1; 246 247 private int mActionBarHeight; 248 249 public RecipientEditTextView(Context context, AttributeSet attrs) { 250 super(context, attrs); 251 setChipDimensions(context, attrs); 252 if (sSelectedTextColor == -1) { 253 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 254 } 255 mAlternatesPopup = new ListPopupWindow(context); 256 mAddressPopup = new ListPopupWindow(context); 257 mCopyDialog = new Dialog(context); 258 mAlternatesListener = new OnItemClickListener() { 259 @Override 260 public void onItemClick(AdapterView<?> adapterView,View view, int position, 261 long rowId) { 262 mAlternatesPopup.setOnItemClickListener(null); 263 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 264 .getRecipientEntry(position)); 265 Message delayed = Message.obtain(mHandler, DISMISS); 266 delayed.obj = mAlternatesPopup; 267 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 268 clearComposingText(); 269 } 270 }; 271 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 272 setOnItemClickListener(this); 273 setCustomSelectionActionModeCallback(this); 274 mHandler = new Handler() { 275 @Override 276 public void handleMessage(Message msg) { 277 if (msg.what == DISMISS) { 278 ((ListPopupWindow) msg.obj).dismiss(); 279 return; 280 } 281 super.handleMessage(msg); 282 } 283 }; 284 mTextWatcher = new RecipientTextWatcher(); 285 addTextChangedListener(mTextWatcher); 286 mGestureDetector = new GestureDetector(context, this); 287 setOnEditorActionListener(this); 288 } 289 290 @Override 291 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 292 if (action == EditorInfo.IME_ACTION_DONE) { 293 if (commitDefault()) { 294 return true; 295 } 296 if (mSelectedChip != null) { 297 clearSelectedChip(); 298 return true; 299 } else if (focusNext()) { 300 return true; 301 } 302 } 303 return false; 304 } 305 306 @Override 307 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 308 InputConnection connection = super.onCreateInputConnection(outAttrs); 309 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 310 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 311 // clear the existing action 312 outAttrs.imeOptions ^= imeActions; 313 // set the DONE action 314 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 315 } 316 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 317 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 318 } 319 320 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 321 outAttrs.actionLabel = getContext().getString(R.string.done); 322 return connection; 323 } 324 325 /*package*/ RecipientChip getLastChip() { 326 RecipientChip last = null; 327 RecipientChip[] chips = getSortedRecipients(); 328 if (chips != null && chips.length > 0) { 329 last = chips[chips.length - 1]; 330 } 331 return last; 332 } 333 334 @Override 335 public void onSelectionChanged(int start, int end) { 336 // When selection changes, see if it is inside the chips area. 337 // If so, move the cursor back after the chips again. 338 RecipientChip last = getLastChip(); 339 if (last != null && start < getSpannable().getSpanEnd(last)) { 340 // Grab the last chip and set the cursor to after it. 341 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 342 } 343 super.onSelectionChanged(start, end); 344 } 345 346 @Override 347 public void onRestoreInstanceState(Parcelable state) { 348 if (!TextUtils.isEmpty(getText())) { 349 super.onRestoreInstanceState(null); 350 } else { 351 super.onRestoreInstanceState(state); 352 } 353 } 354 355 @Override 356 public Parcelable onSaveInstanceState() { 357 // If the user changes orientation while they are editing, just roll back the selection. 358 clearSelectedChip(); 359 return super.onSaveInstanceState(); 360 } 361 362 /** 363 * Convenience method: Append the specified text slice to the TextView's 364 * display buffer, upgrading it to BufferType.EDITABLE if it was 365 * not already editable. Commas are excluded as they are added automatically 366 * by the view. 367 */ 368 @Override 369 public void append(CharSequence text, int start, int end) { 370 // We don't care about watching text changes while appending. 371 if (mTextWatcher != null) { 372 removeTextChangedListener(mTextWatcher); 373 } 374 super.append(text, start, end); 375 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 376 String displayString = text.toString(); 377 378 if (!displayString.trim().endsWith(String.valueOf(COMMIT_CHAR_COMMA))) { 379 // We have no separator, so we should add it 380 super.append(SEPARATOR, 0, SEPARATOR.length()); 381 displayString += SEPARATOR; 382 } 383 384 if (!TextUtils.isEmpty(displayString) 385 && TextUtils.getTrimmedLength(displayString) > 0) { 386 mPendingChipsCount++; 387 mPendingChips.add(displayString); 388 } 389 } 390 // Put a message on the queue to make sure we ALWAYS handle pending 391 // chips. 392 if (mPendingChipsCount > 0) { 393 postHandlePendingChips(); 394 } 395 mHandler.post(mAddTextWatcher); 396 } 397 398 @Override 399 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 400 super.onFocusChanged(hasFocus, direction, previous); 401 if (!hasFocus) { 402 shrink(); 403 } else { 404 expand(); 405 } 406 } 407 408 @Override 409 public void performValidation() { 410 // Do nothing. Chips handles its own validation. 411 } 412 413 private void shrink() { 414 if (mTokenizer == null) { 415 return; 416 } 417 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 418 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 419 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 420 clearSelectedChip(); 421 } else { 422 if (getWidth() <= 0) { 423 // We don't have the width yet which means the view hasn't been drawn yet 424 // and there is no reason to attempt to commit chips yet. 425 // This focus lost must be the result of an orientation change 426 // or an initial rendering. 427 // Re-post the shrink for later. 428 mHandler.removeCallbacks(mDelayedShrink); 429 mHandler.post(mDelayedShrink); 430 return; 431 } 432 // Reset any pending chips as they would have been handled 433 // when the field lost focus. 434 if (mPendingChipsCount > 0) { 435 postHandlePendingChips(); 436 } else { 437 Editable editable = getText(); 438 int end = getSelectionEnd(); 439 int start = mTokenizer.findTokenStart(editable, end); 440 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 441 if ((chips == null || chips.length == 0)) { 442 Editable text = getText(); 443 int whatEnd = mTokenizer.findTokenEnd(text, start); 444 // This token was already tokenized, so skip past the ending token. 445 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 446 whatEnd = movePastTerminators(whatEnd); 447 } 448 // In the middle of chip; treat this as an edit 449 // and commit the whole token. 450 int selEnd = getSelectionEnd(); 451 if (whatEnd != selEnd) { 452 handleEdit(start, whatEnd); 453 } else { 454 commitChip(start, end, editable); 455 } 456 } 457 } 458 mHandler.post(mAddTextWatcher); 459 } 460 createMoreChip(); 461 } 462 463 private void expand() { 464 if (mShouldShrink) { 465 setMaxLines(Integer.MAX_VALUE); 466 } 467 removeMoreChip(); 468 setCursorVisible(true); 469 Editable text = getText(); 470 setSelection(text != null && text.length() > 0 ? text.length() : 0); 471 // If there are any temporary chips, try replacing them now that the user 472 // has expanded the field. 473 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 474 new RecipientReplacementTask().execute(); 475 mTemporaryRecipients = null; 476 } 477 } 478 479 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 480 paint.setTextSize(mChipFontSize); 481 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 482 Log.d(TAG, "Max width is negative: " + maxWidth); 483 } 484 return TextUtils.ellipsize(text, paint, maxWidth, 485 TextUtils.TruncateAt.END); 486 } 487 488 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint) { 489 // Ellipsize the text so that it takes AT MOST the entire width of the 490 // autocomplete text entry area. Make sure to leave space for padding 491 // on the sides. 492 int height = (int) mChipHeight; 493 int deleteWidth = height; 494 float[] widths = new float[1]; 495 paint.getTextWidths(" ", widths); 496 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 497 calculateAvailableWidth() - deleteWidth - widths[0]); 498 499 // Make sure there is a minimum chip width so the user can ALWAYS 500 // tap a chip without difficulty. 501 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 502 ellipsizedText.length())) 503 + (mChipPadding * 2) + deleteWidth); 504 505 // Create the background of the chip. 506 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 507 Canvas canvas = new Canvas(tmpBitmap); 508 if (mChipBackgroundPressed != null) { 509 mChipBackgroundPressed.setBounds(0, 0, width, height); 510 mChipBackgroundPressed.draw(canvas); 511 paint.setColor(sSelectedTextColor); 512 // Vertically center the text in the chip. 513 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 514 getTextYOffset((String) ellipsizedText, paint, height), paint); 515 // Make the delete a square. 516 Rect backgroundPadding = new Rect(); 517 mChipBackgroundPressed.getPadding(backgroundPadding); 518 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 519 0 + backgroundPadding.top, 520 width - backgroundPadding.right, 521 height - backgroundPadding.bottom); 522 mChipDelete.draw(canvas); 523 } else { 524 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 525 } 526 return tmpBitmap; 527 } 528 529 530 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, 531 boolean leaveBlankIconSpacer) { 532 // Ellipsize the text so that it takes AT MOST the entire width of the 533 // autocomplete text entry area. Make sure to leave space for padding 534 // on the sides. 535 int height = (int) mChipHeight; 536 int iconWidth = height; 537 float[] widths = new float[1]; 538 paint.getTextWidths(" ", widths); 539 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 540 calculateAvailableWidth() - iconWidth - widths[0]); 541 // Make sure there is a minimum chip width so the user can ALWAYS 542 // tap a chip without difficulty. 543 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 544 ellipsizedText.length())) 545 + (mChipPadding * 2) + iconWidth); 546 547 // Create the background of the chip. 548 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 549 Canvas canvas = new Canvas(tmpBitmap); 550 Drawable background = getChipBackground(contact); 551 if (background != null) { 552 background.setBounds(0, 0, width, height); 553 background.draw(canvas); 554 555 // Don't draw photos for recipients that have been typed in OR generated on the fly. 556 long contactId = contact.getContactId(); 557 boolean drawPhotos = isPhoneQuery() ? 558 contactId != RecipientEntry.INVALID_CONTACT 559 : (contactId != RecipientEntry.INVALID_CONTACT 560 && (contactId != RecipientEntry.GENERATED_CONTACT && 561 !TextUtils.isEmpty(contact.getDisplayName()))); 562 if (drawPhotos) { 563 byte[] photoBytes = contact.getPhotoBytes(); 564 // There may not be a photo yet if anything but the first contact address 565 // was selected. 566 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 567 // TODO: cache this in the recipient entry? 568 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 569 .getPhotoThumbnailUri()); 570 photoBytes = contact.getPhotoBytes(); 571 } 572 573 Bitmap photo; 574 if (photoBytes != null) { 575 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 576 } else { 577 // TODO: can the scaled down default photo be cached? 578 photo = mDefaultContactPhoto; 579 } 580 // Draw the photo on the left side. 581 if (photo != null) { 582 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 583 Rect backgroundPadding = new Rect(); 584 mChipBackground.getPadding(backgroundPadding); 585 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 586 0 + backgroundPadding.top, 587 width - backgroundPadding.right, 588 height - backgroundPadding.bottom); 589 Matrix matrix = new Matrix(); 590 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 591 canvas.drawBitmap(photo, matrix, paint); 592 } 593 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 594 iconWidth = 0; 595 } 596 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 597 // Vertically center the text in the chip. 598 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 599 getTextYOffset((String)ellipsizedText, paint, height), paint); 600 } else { 601 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 602 } 603 return tmpBitmap; 604 } 605 606 /** 607 * Get the background drawable for a RecipientChip. 608 */ 609 // Visible for testing. 610 /* package */Drawable getChipBackground(RecipientEntry contact) { 611 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 612 } 613 614 private static float getTextYOffset(String text, TextPaint paint, int height) { 615 Rect bounds = new Rect(); 616 paint.getTextBounds(text, 0, text.length(), bounds); 617 int textHeight = bounds.bottom - bounds.top ; 618 return height - ((height - textHeight) / 2) - (int)paint.descent(); 619 } 620 621 private RecipientChip constructChipSpan(RecipientEntry contact, boolean pressed, 622 boolean leaveIconSpace) throws NullPointerException { 623 if (mChipBackground == null) { 624 throw new NullPointerException( 625 "Unable to render any chips as setChipDimensions was not called."); 626 } 627 628 TextPaint paint = getPaint(); 629 float defaultSize = paint.getTextSize(); 630 int defaultColor = paint.getColor(); 631 632 Bitmap tmpBitmap; 633 if (pressed) { 634 tmpBitmap = createSelectedChip(contact, paint); 635 636 } else { 637 tmpBitmap = createUnselectedChip(contact, paint, leaveIconSpace); 638 } 639 640 // Pass the full text, un-ellipsized, to the chip. 641 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 642 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 643 RecipientChip recipientChip = new VisibleRecipientChip(result, contact); 644 // Return text to the original size. 645 paint.setTextSize(defaultSize); 646 paint.setColor(defaultColor); 647 return recipientChip; 648 } 649 650 /** 651 * Calculate the bottom of the line the chip will be located on using: 652 * 1) which line the chip appears on 653 * 2) the height of a chip 654 * 3) padding built into the edit text view 655 */ 656 private int calculateOffsetFromBottom(int line) { 657 // Line offsets start at zero. 658 int actualLine = getLineCount() - (line + 1); 659 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 660 + getDropDownVerticalOffset(); 661 } 662 663 /** 664 * Get the max amount of space a chip can take up. The formula takes into 665 * account the width of the EditTextView, any view padding, and padding 666 * that will be added to the chip. 667 */ 668 private float calculateAvailableWidth() { 669 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 670 } 671 672 673 private void setChipDimensions(Context context, AttributeSet attrs) { 674 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 675 0); 676 Resources r = getContext().getResources(); 677 678 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 679 if (mChipBackground == null) { 680 mChipBackground = r.getDrawable(R.drawable.chip_background); 681 } 682 mChipBackgroundPressed = a 683 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 684 if (mChipBackgroundPressed == null) { 685 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 686 } 687 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 688 if (mChipDelete == null) { 689 mChipDelete = r.getDrawable(R.drawable.chip_delete); 690 } 691 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 692 if (mChipPadding == -1) { 693 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 694 } 695 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 696 -1); 697 if (mAlternatesLayout == -1) { 698 mAlternatesLayout = R.layout.chips_alternate_item; 699 } 700 701 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 702 703 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 704 705 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 706 if (mChipHeight == -1) { 707 mChipHeight = r.getDimension(R.dimen.chip_height); 708 } 709 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 710 if (mChipFontSize == -1) { 711 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 712 } 713 mInvalidChipBackground = a 714 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 715 if (mInvalidChipBackground == null) { 716 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 717 } 718 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 719 mMaxLines = r.getInteger(R.integer.chips_max_lines); 720 TypedValue tv = new TypedValue(); 721 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 722 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 723 .getDisplayMetrics()); 724 } 725 a.recycle(); 726 } 727 728 // Visible for testing. 729 /* package */ void setMoreItem(TextView moreItem) { 730 mMoreItem = moreItem; 731 } 732 733 734 // Visible for testing. 735 /* package */ void setChipBackground(Drawable chipBackground) { 736 mChipBackground = chipBackground; 737 } 738 739 // Visible for testing. 740 /* package */ void setChipHeight(int height) { 741 mChipHeight = height; 742 } 743 744 /** 745 * Set whether to shrink the recipients field such that at most 746 * one line of recipients chips are shown when the field loses 747 * focus. By default, the number of displayed recipients will be 748 * limited and a "more" chip will be shown when focus is lost. 749 * @param shrink 750 */ 751 public void setOnFocusListShrinkRecipients(boolean shrink) { 752 mShouldShrink = shrink; 753 } 754 755 @Override 756 public void onSizeChanged(int width, int height, int oldw, int oldh) { 757 super.onSizeChanged(width, height, oldw, oldh); 758 if (width != 0 && height != 0) { 759 if (mPendingChipsCount > 0) { 760 postHandlePendingChips(); 761 } else { 762 checkChipWidths(); 763 } 764 } 765 // Try to find the scroll view parent, if it exists. 766 if (mScrollView == null && !mTriedGettingScrollView) { 767 ViewParent parent = getParent(); 768 while (parent != null && !(parent instanceof ScrollView)) { 769 parent = parent.getParent(); 770 } 771 if (parent != null) { 772 mScrollView = (ScrollView) parent; 773 } 774 mTriedGettingScrollView = true; 775 } 776 } 777 778 private void postHandlePendingChips() { 779 mHandler.removeCallbacks(mHandlePendingChips); 780 mHandler.post(mHandlePendingChips); 781 } 782 783 private void checkChipWidths() { 784 // Check the widths of the associated chips. 785 RecipientChip[] chips = getSortedRecipients(); 786 if (chips != null) { 787 Rect bounds; 788 for (RecipientChip chip : chips) { 789 bounds = chip.getBounds(); 790 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 791 // Need to redraw that chip. 792 replaceChip(chip, chip.getEntry()); 793 } 794 } 795 } 796 } 797 798 // Visible for testing. 799 /*package*/ void handlePendingChips() { 800 if (getViewWidth() <= 0) { 801 // The widget has not been sized yet. 802 // This will be called as a result of onSizeChanged 803 // at a later point. 804 return; 805 } 806 if (mPendingChipsCount <= 0) { 807 return; 808 } 809 810 synchronized (mPendingChips) { 811 Editable editable = getText(); 812 // Tokenize! 813 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 814 for (int i = 0; i < mPendingChips.size(); i++) { 815 String current = mPendingChips.get(i); 816 int tokenStart = editable.toString().indexOf(current); 817 // Always leave a space at the end between tokens. 818 int tokenEnd = tokenStart + current.length() - 1; 819 if (tokenStart >= 0) { 820 // When we have a valid token, include it with the token 821 // to the left. 822 if (tokenEnd < editable.length() - 2 823 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 824 tokenEnd++; 825 } 826 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 827 || !mShouldShrink); 828 } 829 mPendingChipsCount--; 830 } 831 sanitizeEnd(); 832 } else { 833 mNoChips = true; 834 } 835 836 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 837 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 838 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 839 new RecipientReplacementTask().execute(); 840 mTemporaryRecipients = null; 841 } else { 842 // Create the "more" chip 843 mIndividualReplacements = new IndividualReplacementTask(); 844 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 845 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 846 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 847 mTemporaryRecipients = new ArrayList<RecipientChip>( 848 mTemporaryRecipients.subList(CHIP_LIMIT, 849 mTemporaryRecipients.size())); 850 } else { 851 mTemporaryRecipients = null; 852 } 853 createMoreChip(); 854 } 855 } else { 856 // There are too many recipients to look up, so just fall back 857 // to showing addresses for all of them. 858 mTemporaryRecipients = null; 859 createMoreChip(); 860 } 861 mPendingChipsCount = 0; 862 mPendingChips.clear(); 863 } 864 } 865 866 // Visible for testing. 867 /*package*/ int getViewWidth() { 868 return getWidth(); 869 } 870 871 /** 872 * Remove any characters after the last valid chip. 873 */ 874 // Visible for testing. 875 /*package*/ void sanitizeEnd() { 876 // Don't sanitize while we are waiting for pending chips to complete. 877 if (mPendingChipsCount > 0) { 878 return; 879 } 880 // Find the last chip; eliminate any commit characters after it. 881 RecipientChip[] chips = getSortedRecipients(); 882 Spannable spannable = getSpannable(); 883 if (chips != null && chips.length > 0) { 884 int end; 885 mMoreChip = getMoreChip(); 886 if (mMoreChip != null) { 887 end = spannable.getSpanEnd(mMoreChip); 888 } else { 889 end = getSpannable().getSpanEnd(getLastChip()); 890 } 891 Editable editable = getText(); 892 int length = editable.length(); 893 if (length > end) { 894 // See what characters occur after that and eliminate them. 895 if (Log.isLoggable(TAG, Log.DEBUG)) { 896 Log.d(TAG, "There were extra characters after the last tokenizable entry." 897 + editable); 898 } 899 editable.delete(end + 1, length); 900 } 901 } 902 } 903 904 /** 905 * Create a chip that represents just the email address of a recipient. At some later 906 * point, this chip will be attached to a real contact entry, if one exists. 907 */ 908 // VisibleForTesting 909 void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 910 boolean visible) { 911 if (alreadyHasChip(tokenStart, tokenEnd)) { 912 // There is already a chip present at this location. 913 // Don't recreate it. 914 return; 915 } 916 String token = editable.toString().substring(tokenStart, tokenEnd); 917 final String trimmedToken = token.trim(); 918 int commitCharIndex = trimmedToken.lastIndexOf(COMMIT_CHAR_COMMA); 919 if (commitCharIndex == trimmedToken.length() - 1) { 920 token = trimmedToken.substring(0, trimmedToken.length() - 1); 921 } 922 RecipientEntry entry = createTokenizedEntry(token); 923 if (entry != null) { 924 RecipientChip chip = null; 925 try { 926 if (!mNoChips) { 927 /* 928 * leave space for the contact icon if this is not just an 929 * email address 930 */ 931 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 932 || TextUtils.equals(entry.getDisplayName(), 933 entry.getDestination()); 934 chip = visible ? 935 constructChipSpan(entry, false, leaveSpace) 936 : new InvisibleRecipientChip(entry); 937 } 938 } catch (NullPointerException e) { 939 Log.e(TAG, e.getMessage(), e); 940 } 941 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 942 // Add this chip to the list of entries "to replace" 943 if (chip != null) { 944 if (mTemporaryRecipients == null) { 945 mTemporaryRecipients = new ArrayList<RecipientChip>(); 946 } 947 chip.setOriginalText(token); 948 mTemporaryRecipients.add(chip); 949 } 950 } 951 } 952 953 private static boolean isPhoneNumber(String number) { 954 // TODO: replace this function with libphonenumber's isPossibleNumber (see 955 // PhoneNumberUtil). One complication is that it requires the sender's region which 956 // comes from the CurrentCountryIso. For now, let's just do this simple match. 957 if (TextUtils.isEmpty(number)) { 958 return false; 959 } 960 961 Matcher match = PHONE_PATTERN.matcher(number); 962 return match.matches(); 963 } 964 965 private RecipientEntry createTokenizedEntry(String token) { 966 if (TextUtils.isEmpty(token)) { 967 return null; 968 } 969 if (isPhoneQuery() && isPhoneNumber(token)) { 970 return RecipientEntry.constructFakeEntry(token, true); 971 } 972 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 973 String display = null; 974 boolean isValid = isValid(token); 975 if (isValid && tokens != null && tokens.length > 0) { 976 // If we can get a name from tokenizing, then generate an entry from 977 // this. 978 display = tokens[0].getName(); 979 if (!TextUtils.isEmpty(display)) { 980 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 981 isValid); 982 } else { 983 display = tokens[0].getAddress(); 984 if (!TextUtils.isEmpty(display)) { 985 return RecipientEntry.constructFakeEntry(display, isValid); 986 } 987 } 988 } 989 // Unable to validate the token or to create a valid token from it. 990 // Just create a chip the user can edit. 991 String validatedToken = null; 992 if (mValidator != null && !isValid) { 993 // Try fixing up the entry using the validator. 994 validatedToken = mValidator.fixText(token).toString(); 995 if (!TextUtils.isEmpty(validatedToken)) { 996 if (validatedToken.contains(token)) { 997 // protect against the case of a validator with a null 998 // domain, 999 // which doesn't add a domain to the token 1000 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1001 if (tokenized.length > 0) { 1002 validatedToken = tokenized[0].getAddress(); 1003 isValid = true; 1004 } 1005 } else { 1006 // We ran into a case where the token was invalid and 1007 // removed 1008 // by the validator. In this case, just use the original 1009 // token 1010 // and let the user sort out the error chip. 1011 validatedToken = null; 1012 isValid = false; 1013 } 1014 } 1015 } 1016 // Otherwise, fallback to just creating an editable email address chip. 1017 return RecipientEntry.constructFakeEntry( 1018 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1019 } 1020 1021 private boolean isValid(String text) { 1022 return mValidator == null ? true : mValidator.isValid(text); 1023 } 1024 1025 private static String tokenizeAddress(String destination) { 1026 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1027 if (tokens != null && tokens.length > 0) { 1028 return tokens[0].getAddress(); 1029 } 1030 return destination; 1031 } 1032 1033 @Override 1034 public void setTokenizer(Tokenizer tokenizer) { 1035 mTokenizer = tokenizer; 1036 super.setTokenizer(mTokenizer); 1037 } 1038 1039 @Override 1040 public void setValidator(Validator validator) { 1041 mValidator = validator; 1042 super.setValidator(validator); 1043 } 1044 1045 /** 1046 * We cannot use the default mechanism for replaceText. Instead, 1047 * we override onItemClickListener so we can get all the associated 1048 * contact information including display text, address, and id. 1049 */ 1050 @Override 1051 protected void replaceText(CharSequence text) { 1052 return; 1053 } 1054 1055 /** 1056 * Dismiss any selected chips when the back key is pressed. 1057 */ 1058 @Override 1059 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1060 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1061 clearSelectedChip(); 1062 return true; 1063 } 1064 return super.onKeyPreIme(keyCode, event); 1065 } 1066 1067 /** 1068 * Monitor key presses in this view to see if the user types 1069 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1070 * If the user has entered text that has contact matches and types 1071 * a commit key, create a chip from the topmost matching contact. 1072 * If the user has entered text that has no contact matches and types 1073 * a commit key, then create a chip from the text they have entered. 1074 */ 1075 @Override 1076 public boolean onKeyUp(int keyCode, KeyEvent event) { 1077 switch (keyCode) { 1078 case KeyEvent.KEYCODE_TAB: 1079 if (event.hasNoModifiers()) { 1080 if (mSelectedChip != null) { 1081 clearSelectedChip(); 1082 } else { 1083 commitDefault(); 1084 } 1085 } 1086 break; 1087 } 1088 return super.onKeyUp(keyCode, event); 1089 } 1090 1091 private boolean focusNext() { 1092 View next = focusSearch(View.FOCUS_DOWN); 1093 if (next != null) { 1094 next.requestFocus(); 1095 return true; 1096 } 1097 return false; 1098 } 1099 1100 /** 1101 * Create a chip from the default selection. If the popup is showing, the 1102 * default is the first item in the popup suggestions list. Otherwise, it is 1103 * whatever the user had typed in. End represents where the the tokenizer 1104 * should search for a token to turn into a chip. 1105 * @return If a chip was created from a real contact. 1106 */ 1107 private boolean commitDefault() { 1108 // If there is no tokenizer, don't try to commit. 1109 if (mTokenizer == null) { 1110 return false; 1111 } 1112 Editable editable = getText(); 1113 int end = getSelectionEnd(); 1114 int start = mTokenizer.findTokenStart(editable, end); 1115 1116 if (shouldCreateChip(start, end)) { 1117 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1118 // In the middle of chip; treat this as an edit 1119 // and commit the whole token. 1120 whatEnd = movePastTerminators(whatEnd); 1121 if (whatEnd != getSelectionEnd()) { 1122 handleEdit(start, whatEnd); 1123 return true; 1124 } 1125 return commitChip(start, end , editable); 1126 } 1127 return false; 1128 } 1129 1130 private void commitByCharacter() { 1131 // We can't possibly commit by character if we can't tokenize. 1132 if (mTokenizer == null) { 1133 return; 1134 } 1135 Editable editable = getText(); 1136 int end = getSelectionEnd(); 1137 int start = mTokenizer.findTokenStart(editable, end); 1138 if (shouldCreateChip(start, end)) { 1139 commitChip(start, end, editable); 1140 } 1141 setSelection(getText().length()); 1142 } 1143 1144 private boolean commitChip(int start, int end, Editable editable) { 1145 ListAdapter adapter = getAdapter(); 1146 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1147 && end == getSelectionEnd() && !isPhoneQuery()) { 1148 // choose the first entry. 1149 submitItemAtPosition(0); 1150 dismissDropDown(); 1151 return true; 1152 } else { 1153 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1154 if (editable.length() > tokenEnd + 1) { 1155 char charAt = editable.charAt(tokenEnd + 1); 1156 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1157 tokenEnd++; 1158 } 1159 } 1160 String text = editable.toString().substring(start, tokenEnd).trim(); 1161 clearComposingText(); 1162 if (text != null && text.length() > 0 && !text.equals(" ")) { 1163 RecipientEntry entry = createTokenizedEntry(text); 1164 if (entry != null) { 1165 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1166 CharSequence chipText = createChip(entry, false); 1167 if (chipText != null && start > -1 && end > -1) { 1168 editable.replace(start, end, chipText); 1169 } 1170 } 1171 // Only dismiss the dropdown if it is related to the text we 1172 // just committed. 1173 // For paste, it may not be as there are possibly multiple 1174 // tokens being added. 1175 if (end == getSelectionEnd()) { 1176 dismissDropDown(); 1177 } 1178 sanitizeBetween(); 1179 return true; 1180 } 1181 } 1182 return false; 1183 } 1184 1185 // Visible for testing. 1186 /* package */ void sanitizeBetween() { 1187 // Don't sanitize while we are waiting for content to chipify. 1188 if (mPendingChipsCount > 0) { 1189 return; 1190 } 1191 // Find the last chip. 1192 RecipientChip[] recips = getSortedRecipients(); 1193 if (recips != null && recips.length > 0) { 1194 RecipientChip last = recips[recips.length - 1]; 1195 RecipientChip beforeLast = null; 1196 if (recips.length > 1) { 1197 beforeLast = recips[recips.length - 2]; 1198 } 1199 int startLooking = 0; 1200 int end = getSpannable().getSpanStart(last); 1201 if (beforeLast != null) { 1202 startLooking = getSpannable().getSpanEnd(beforeLast); 1203 Editable text = getText(); 1204 if (startLooking == -1 || startLooking > text.length() - 1) { 1205 // There is nothing after this chip. 1206 return; 1207 } 1208 if (text.charAt(startLooking) == ' ') { 1209 startLooking++; 1210 } 1211 } 1212 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1213 getText().delete(startLooking, end); 1214 } 1215 } 1216 } 1217 1218 private boolean shouldCreateChip(int start, int end) { 1219 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1220 } 1221 1222 private boolean alreadyHasChip(int start, int end) { 1223 if (mNoChips) { 1224 return true; 1225 } 1226 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1227 if ((chips == null || chips.length == 0)) { 1228 return false; 1229 } 1230 return true; 1231 } 1232 1233 private void handleEdit(int start, int end) { 1234 if (start == -1 || end == -1) { 1235 // This chip no longer exists in the field. 1236 dismissDropDown(); 1237 return; 1238 } 1239 // This is in the middle of a chip, so select out the whole chip 1240 // and commit it. 1241 Editable editable = getText(); 1242 setSelection(end); 1243 String text = getText().toString().substring(start, end); 1244 if (!TextUtils.isEmpty(text)) { 1245 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1246 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1247 CharSequence chipText = createChip(entry, false); 1248 int selEnd = getSelectionEnd(); 1249 if (chipText != null && start > -1 && selEnd > -1) { 1250 editable.replace(start, selEnd, chipText); 1251 } 1252 } 1253 dismissDropDown(); 1254 } 1255 1256 /** 1257 * If there is a selected chip, delegate the key events 1258 * to the selected chip. 1259 */ 1260 @Override 1261 public boolean onKeyDown(int keyCode, KeyEvent event) { 1262 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1263 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1264 mAlternatesPopup.dismiss(); 1265 } 1266 removeChip(mSelectedChip); 1267 } 1268 1269 switch (keyCode) { 1270 case KeyEvent.KEYCODE_ENTER: 1271 case KeyEvent.KEYCODE_DPAD_CENTER: 1272 if (event.hasNoModifiers()) { 1273 if (commitDefault()) { 1274 return true; 1275 } 1276 if (mSelectedChip != null) { 1277 clearSelectedChip(); 1278 return true; 1279 } else if (focusNext()) { 1280 return true; 1281 } 1282 } 1283 break; 1284 } 1285 1286 return super.onKeyDown(keyCode, event); 1287 } 1288 1289 // Visible for testing. 1290 /* package */ Spannable getSpannable() { 1291 return getText(); 1292 } 1293 1294 private int getChipStart(RecipientChip chip) { 1295 return getSpannable().getSpanStart(chip); 1296 } 1297 1298 private int getChipEnd(RecipientChip chip) { 1299 return getSpannable().getSpanEnd(chip); 1300 } 1301 1302 /** 1303 * Instead of filtering on the entire contents of the edit box, 1304 * this subclass method filters on the range from 1305 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1306 * if the length of that range meets or exceeds {@link #getThreshold} 1307 * and makes sure that the range is not already a Chip. 1308 */ 1309 @Override 1310 protected void performFiltering(CharSequence text, int keyCode) { 1311 boolean isCompletedToken = isCompletedToken(text); 1312 if (enoughToFilter() && !isCompletedToken) { 1313 int end = getSelectionEnd(); 1314 int start = mTokenizer.findTokenStart(text, end); 1315 // If this is a RecipientChip, don't filter 1316 // on its contents. 1317 Spannable span = getSpannable(); 1318 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1319 if (chips != null && chips.length > 0) { 1320 return; 1321 } 1322 } else if (isCompletedToken) { 1323 return; 1324 } 1325 super.performFiltering(text, keyCode); 1326 } 1327 1328 // Visible for testing. 1329 /*package*/ boolean isCompletedToken(CharSequence text) { 1330 if (TextUtils.isEmpty(text)) { 1331 return false; 1332 } 1333 // Check to see if this is a completed token before filtering. 1334 int end = text.length(); 1335 int start = mTokenizer.findTokenStart(text, end); 1336 String token = text.toString().substring(start, end).trim(); 1337 if (!TextUtils.isEmpty(token)) { 1338 char atEnd = token.charAt(token.length() - 1); 1339 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1340 } 1341 return false; 1342 } 1343 1344 private void clearSelectedChip() { 1345 if (mSelectedChip != null) { 1346 unselectChip(mSelectedChip); 1347 mSelectedChip = null; 1348 } 1349 setCursorVisible(true); 1350 } 1351 1352 /** 1353 * Monitor touch events in the RecipientEditTextView. 1354 * If the view does not have focus, any tap on the view 1355 * will just focus the view. If the view has focus, determine 1356 * if the touch target is a recipient chip. If it is and the chip 1357 * is not selected, select it and clear any other selected chips. 1358 * If it isn't, then select that chip. 1359 */ 1360 @Override 1361 public boolean onTouchEvent(MotionEvent event) { 1362 if (!isFocused()) { 1363 // Ignore any chip taps until this view is focused. 1364 return super.onTouchEvent(event); 1365 } 1366 boolean handled = super.onTouchEvent(event); 1367 int action = event.getAction(); 1368 boolean chipWasSelected = false; 1369 if (mSelectedChip == null) { 1370 mGestureDetector.onTouchEvent(event); 1371 } 1372 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1373 float x = event.getX(); 1374 float y = event.getY(); 1375 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1376 RecipientChip currentChip = findChip(offset); 1377 if (currentChip != null) { 1378 if (action == MotionEvent.ACTION_UP) { 1379 if (mSelectedChip != null && mSelectedChip != currentChip) { 1380 clearSelectedChip(); 1381 mSelectedChip = selectChip(currentChip); 1382 } else if (mSelectedChip == null) { 1383 setSelection(getText().length()); 1384 commitDefault(); 1385 mSelectedChip = selectChip(currentChip); 1386 } else { 1387 onClick(mSelectedChip, offset, x, y); 1388 } 1389 } 1390 chipWasSelected = true; 1391 handled = true; 1392 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1393 chipWasSelected = true; 1394 } 1395 } 1396 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1397 clearSelectedChip(); 1398 } 1399 return handled; 1400 } 1401 1402 private void scrollLineIntoView(int line) { 1403 if (mScrollView != null) { 1404 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1405 } 1406 } 1407 1408 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1409 int width) { 1410 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1411 int bottom; 1412 if (line == getLineCount() -1) { 1413 bottom = 0; 1414 } else { 1415 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1416 - line))); 1417 } 1418 // Align the alternates popup with the left side of the View, 1419 // regardless of the position of the chip tapped. 1420 alternatesPopup.setWidth(width); 1421 alternatesPopup.setAnchorView(this); 1422 alternatesPopup.setVerticalOffset(bottom); 1423 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1424 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1425 // Clear the checked item. 1426 mCheckedItem = -1; 1427 alternatesPopup.show(); 1428 ListView listView = alternatesPopup.getListView(); 1429 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1430 // Checked item would be -1 if the adapter has not 1431 // loaded the view that should be checked yet. The 1432 // variable will be set correctly when onCheckedItemChanged 1433 // is called in a separate thread. 1434 if (mCheckedItem != -1) { 1435 listView.setItemChecked(mCheckedItem, true); 1436 mCheckedItem = -1; 1437 } 1438 } 1439 1440 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1441 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1442 ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1443 } 1444 1445 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1446 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1447 .getEntry()); 1448 } 1449 1450 @Override 1451 public void onCheckedItemChanged(int position) { 1452 ListView listView = mAlternatesPopup.getListView(); 1453 if (listView != null && listView.getCheckedItemCount() == 0) { 1454 listView.setItemChecked(position, true); 1455 } 1456 mCheckedItem = position; 1457 } 1458 1459 // TODO: This algorithm will need a lot of tweaking after more people have used 1460 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1461 // what comes before the finger. 1462 private int putOffsetInRange(int o) { 1463 int offset = o; 1464 Editable text = getText(); 1465 int length = text.length(); 1466 // Remove whitespace from end to find "real end" 1467 int realLength = length; 1468 for (int i = length - 1; i >= 0; i--) { 1469 if (text.charAt(i) == ' ') { 1470 realLength--; 1471 } else { 1472 break; 1473 } 1474 } 1475 1476 // If the offset is beyond or at the end of the text, 1477 // leave it alone. 1478 if (offset >= realLength) { 1479 return offset; 1480 } 1481 Editable editable = getText(); 1482 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1483 // Keep walking backward! 1484 offset--; 1485 } 1486 return offset; 1487 } 1488 1489 private static int findText(Editable text, int offset) { 1490 if (text.charAt(offset) != ' ') { 1491 return offset; 1492 } 1493 return -1; 1494 } 1495 1496 private RecipientChip findChip(int offset) { 1497 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1498 // Find the chip that contains this offset. 1499 for (int i = 0; i < chips.length; i++) { 1500 RecipientChip chip = chips[i]; 1501 int start = getChipStart(chip); 1502 int end = getChipEnd(chip); 1503 if (offset >= start && offset <= end) { 1504 return chip; 1505 } 1506 } 1507 return null; 1508 } 1509 1510 // Visible for testing. 1511 // Use this method to generate text to add to the list of addresses. 1512 /* package */String createAddressText(RecipientEntry entry) { 1513 String display = entry.getDisplayName(); 1514 String address = entry.getDestination(); 1515 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1516 display = null; 1517 } 1518 String trimmedDisplayText; 1519 if (isPhoneQuery() && isPhoneNumber(address)) { 1520 trimmedDisplayText = address.trim(); 1521 } else { 1522 if (address != null) { 1523 // Tokenize out the address in case the address already 1524 // contained the username as well. 1525 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1526 if (tokenized != null && tokenized.length > 0) { 1527 address = tokenized[0].getAddress(); 1528 } 1529 } 1530 Rfc822Token token = new Rfc822Token(display, address, null); 1531 trimmedDisplayText = token.toString().trim(); 1532 } 1533 int index = trimmedDisplayText.indexOf(","); 1534 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1535 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1536 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1537 } 1538 1539 // Visible for testing. 1540 // Use this method to generate text to display in a chip. 1541 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1542 String display = entry.getDisplayName(); 1543 String address = entry.getDestination(); 1544 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1545 display = null; 1546 } 1547 if (!TextUtils.isEmpty(display)) { 1548 return display; 1549 } else if (!TextUtils.isEmpty(address)){ 1550 return address; 1551 } else { 1552 return new Rfc822Token(display, address, null).toString(); 1553 } 1554 } 1555 1556 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1557 String displayText = createAddressText(entry); 1558 if (TextUtils.isEmpty(displayText)) { 1559 return null; 1560 } 1561 SpannableString chipText = null; 1562 // Always leave a blank space at the end of a chip. 1563 int textLength = displayText.length() - 1; 1564 chipText = new SpannableString(displayText); 1565 if (!mNoChips) { 1566 try { 1567 RecipientChip chip = constructChipSpan(entry, pressed, 1568 false /* leave space for contact icon */); 1569 chipText.setSpan(chip, 0, textLength, 1570 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1571 chip.setOriginalText(chipText.toString()); 1572 } catch (NullPointerException e) { 1573 Log.e(TAG, e.getMessage(), e); 1574 return null; 1575 } 1576 } 1577 return chipText; 1578 } 1579 1580 /** 1581 * When an item in the suggestions list has been clicked, create a chip from the 1582 * contact information of the selected item. 1583 */ 1584 @Override 1585 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1586 submitItemAtPosition(position); 1587 } 1588 1589 private void submitItemAtPosition(int position) { 1590 RecipientEntry entry = createValidatedEntry( 1591 (RecipientEntry)getAdapter().getItem(position)); 1592 if (entry == null) { 1593 return; 1594 } 1595 clearComposingText(); 1596 1597 int end = getSelectionEnd(); 1598 int start = mTokenizer.findTokenStart(getText(), end); 1599 1600 Editable editable = getText(); 1601 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1602 CharSequence chip = createChip(entry, false); 1603 if (chip != null && start >= 0 && end >= 0) { 1604 editable.replace(start, end, chip); 1605 } 1606 sanitizeBetween(); 1607 } 1608 1609 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1610 if (item == null) { 1611 return null; 1612 } 1613 final RecipientEntry entry; 1614 // If the display name and the address are the same, or if this is a 1615 // valid contact, but the destination is invalid, then make this a fake 1616 // recipient that is editable. 1617 String destination = item.getDestination(); 1618 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1619 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1620 destination, item.isValid()); 1621 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1622 && (TextUtils.isEmpty(item.getDisplayName()) 1623 || TextUtils.equals(item.getDisplayName(), destination) 1624 || (mValidator != null && !mValidator.isValid(destination)))) { 1625 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1626 } else { 1627 entry = item; 1628 } 1629 return entry; 1630 } 1631 1632 /** Returns a collection of contact Id for each chip inside this View. */ 1633 /* package */ Collection<Long> getContactIds() { 1634 final Set<Long> result = new HashSet<Long>(); 1635 RecipientChip[] chips = getSortedRecipients(); 1636 if (chips != null) { 1637 for (RecipientChip chip : chips) { 1638 result.add(chip.getContactId()); 1639 } 1640 } 1641 return result; 1642 } 1643 1644 1645 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1646 /* package */ Collection<Long> getDataIds() { 1647 final Set<Long> result = new HashSet<Long>(); 1648 RecipientChip [] chips = getSortedRecipients(); 1649 if (chips != null) { 1650 for (RecipientChip chip : chips) { 1651 result.add(chip.getDataId()); 1652 } 1653 } 1654 return result; 1655 } 1656 1657 // Visible for testing. 1658 /* package */RecipientChip[] getSortedRecipients() { 1659 RecipientChip[] recips = getSpannable() 1660 .getSpans(0, getText().length(), RecipientChip.class); 1661 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1662 .asList(recips)); 1663 final Spannable spannable = getSpannable(); 1664 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1665 1666 @Override 1667 public int compare(RecipientChip first, RecipientChip second) { 1668 int firstStart = spannable.getSpanStart(first); 1669 int secondStart = spannable.getSpanStart(second); 1670 if (firstStart < secondStart) { 1671 return -1; 1672 } else if (firstStart > secondStart) { 1673 return 1; 1674 } else { 1675 return 0; 1676 } 1677 } 1678 }); 1679 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1680 } 1681 1682 @Override 1683 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1684 return false; 1685 } 1686 1687 @Override 1688 public void onDestroyActionMode(ActionMode mode) { 1689 } 1690 1691 @Override 1692 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1693 return false; 1694 } 1695 1696 /** 1697 * No chips are selectable. 1698 */ 1699 @Override 1700 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1701 return false; 1702 } 1703 1704 // Visible for testing. 1705 /* package */ImageSpan getMoreChip() { 1706 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1707 MoreImageSpan.class); 1708 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1709 } 1710 1711 private MoreImageSpan createMoreSpan(int count) { 1712 String moreText = String.format(mMoreItem.getText().toString(), count); 1713 TextPaint morePaint = new TextPaint(getPaint()); 1714 morePaint.setTextSize(mMoreItem.getTextSize()); 1715 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1716 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1717 + mMoreItem.getPaddingRight(); 1718 int height = getLineHeight(); 1719 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1720 Canvas canvas = new Canvas(drawable); 1721 int adjustedHeight = height; 1722 Layout layout = getLayout(); 1723 if (layout != null) { 1724 adjustedHeight -= layout.getLineDescent(0); 1725 } 1726 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1727 1728 Drawable result = new BitmapDrawable(getResources(), drawable); 1729 result.setBounds(0, 0, width, height); 1730 return new MoreImageSpan(result); 1731 } 1732 1733 // Visible for testing. 1734 /*package*/ void createMoreChipPlainText() { 1735 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1736 Editable text = getText(); 1737 int start = 0; 1738 int end = start; 1739 for (int i = 0; i < CHIP_LIMIT; i++) { 1740 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1741 start = end; // move to the next token and get its end. 1742 } 1743 // Now, count total addresses. 1744 start = 0; 1745 int tokenCount = countTokens(text); 1746 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1747 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1748 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1749 text.replace(end, text.length(), chipText); 1750 mMoreChip = moreSpan; 1751 } 1752 1753 // Visible for testing. 1754 /* package */int countTokens(Editable text) { 1755 int tokenCount = 0; 1756 int start = 0; 1757 while (start < text.length()) { 1758 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1759 tokenCount++; 1760 if (start >= text.length()) { 1761 break; 1762 } 1763 } 1764 return tokenCount; 1765 } 1766 1767 /** 1768 * Create the more chip. The more chip is text that replaces any chips that 1769 * do not fit in the pre-defined available space when the 1770 * RecipientEditTextView loses focus. 1771 */ 1772 // Visible for testing. 1773 /* package */ void createMoreChip() { 1774 if (mNoChips) { 1775 createMoreChipPlainText(); 1776 return; 1777 } 1778 1779 if (!mShouldShrink) { 1780 return; 1781 } 1782 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1783 if (tempMore.length > 0) { 1784 getSpannable().removeSpan(tempMore[0]); 1785 } 1786 RecipientChip[] recipients = getSortedRecipients(); 1787 1788 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1789 mMoreChip = null; 1790 return; 1791 } 1792 Spannable spannable = getSpannable(); 1793 int numRecipients = recipients.length; 1794 int overage = numRecipients - CHIP_LIMIT; 1795 MoreImageSpan moreSpan = createMoreSpan(overage); 1796 mRemovedSpans = new ArrayList<RecipientChip>(); 1797 int totalReplaceStart = 0; 1798 int totalReplaceEnd = 0; 1799 Editable text = getText(); 1800 for (int i = numRecipients - overage; i < recipients.length; i++) { 1801 mRemovedSpans.add(recipients[i]); 1802 if (i == numRecipients - overage) { 1803 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1804 } 1805 if (i == recipients.length - 1) { 1806 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1807 } 1808 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1809 int spanStart = spannable.getSpanStart(recipients[i]); 1810 int spanEnd = spannable.getSpanEnd(recipients[i]); 1811 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1812 } 1813 spannable.removeSpan(recipients[i]); 1814 } 1815 if (totalReplaceEnd < text.length()) { 1816 totalReplaceEnd = text.length(); 1817 } 1818 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1819 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1820 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1821 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1822 text.replace(start, end, chipText); 1823 mMoreChip = moreSpan; 1824 // If adding the +more chip goes over the limit, resize accordingly. 1825 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1826 setMaxLines(getLineCount()); 1827 } 1828 } 1829 1830 /** 1831 * Replace the more chip, if it exists, with all of the recipient chips it had 1832 * replaced when the RecipientEditTextView gains focus. 1833 */ 1834 // Visible for testing. 1835 /*package*/ void removeMoreChip() { 1836 if (mMoreChip != null) { 1837 Spannable span = getSpannable(); 1838 span.removeSpan(mMoreChip); 1839 mMoreChip = null; 1840 // Re-add the spans that were removed. 1841 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1842 // Recreate each removed span. 1843 RecipientChip[] recipients = getSortedRecipients(); 1844 // Start the search for tokens after the last currently visible 1845 // chip. 1846 if (recipients == null || recipients.length == 0) { 1847 return; 1848 } 1849 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1850 Editable editable = getText(); 1851 for (RecipientChip chip : mRemovedSpans) { 1852 int chipStart; 1853 int chipEnd; 1854 String token; 1855 // Need to find the location of the chip, again. 1856 token = (String) chip.getOriginalText(); 1857 // As we find the matching recipient for the remove spans, 1858 // reduce the size of the string we need to search. 1859 // That way, if there are duplicates, we always find the correct 1860 // recipient. 1861 chipStart = editable.toString().indexOf(token, end); 1862 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1863 // Only set the span if we found a matching token. 1864 if (chipStart != -1) { 1865 editable.setSpan(chip, chipStart, chipEnd, 1866 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1867 } 1868 } 1869 mRemovedSpans.clear(); 1870 } 1871 } 1872 } 1873 1874 /** 1875 * Show specified chip as selected. If the RecipientChip is just an email address, 1876 * selecting the chip will take the contents of the chip and place it at 1877 * the end of the RecipientEditTextView for inline editing. If the 1878 * RecipientChip is a complete contact, then selecting the chip 1879 * will change the background color of the chip, show the delete icon, 1880 * and a popup window with the address in use highlighted and any other 1881 * alternate addresses for the contact. 1882 * @param currentChip Chip to select. 1883 * @return A RecipientChip in the selected state or null if the chip 1884 * just contained an email address. 1885 */ 1886 private RecipientChip selectChip(RecipientChip currentChip) { 1887 if (shouldShowEditableText(currentChip)) { 1888 CharSequence text = currentChip.getValue(); 1889 Editable editable = getText(); 1890 Spannable spannable = getSpannable(); 1891 int spanStart = spannable.getSpanStart(currentChip); 1892 int spanEnd = spannable.getSpanEnd(currentChip); 1893 spannable.removeSpan(currentChip); 1894 editable.delete(spanStart, spanEnd); 1895 setCursorVisible(true); 1896 setSelection(editable.length()); 1897 editable.append(text); 1898 return constructChipSpan( 1899 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1900 true, false); 1901 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1902 int start = getChipStart(currentChip); 1903 int end = getChipEnd(currentChip); 1904 getSpannable().removeSpan(currentChip); 1905 RecipientChip newChip; 1906 try { 1907 if (mNoChips) { 1908 return null; 1909 } 1910 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1911 } catch (NullPointerException e) { 1912 Log.e(TAG, e.getMessage(), e); 1913 return null; 1914 } 1915 Editable editable = getText(); 1916 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1917 if (start == -1 || end == -1) { 1918 Log.d(TAG, "The chip being selected no longer exists but should."); 1919 } else { 1920 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1921 } 1922 newChip.setSelected(true); 1923 if (shouldShowEditableText(newChip)) { 1924 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1925 } 1926 showAddress(newChip, mAddressPopup, getWidth()); 1927 setCursorVisible(false); 1928 return newChip; 1929 } else { 1930 int start = getChipStart(currentChip); 1931 int end = getChipEnd(currentChip); 1932 getSpannable().removeSpan(currentChip); 1933 RecipientChip newChip; 1934 try { 1935 newChip = constructChipSpan(currentChip.getEntry(), true, false); 1936 } catch (NullPointerException e) { 1937 Log.e(TAG, e.getMessage(), e); 1938 return null; 1939 } 1940 Editable editable = getText(); 1941 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1942 if (start == -1 || end == -1) { 1943 Log.d(TAG, "The chip being selected no longer exists but should."); 1944 } else { 1945 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1946 } 1947 newChip.setSelected(true); 1948 if (shouldShowEditableText(newChip)) { 1949 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1950 } 1951 showAlternates(newChip, mAlternatesPopup, getWidth()); 1952 setCursorVisible(false); 1953 return newChip; 1954 } 1955 } 1956 1957 private boolean shouldShowEditableText(RecipientChip currentChip) { 1958 long contactId = currentChip.getContactId(); 1959 return contactId == RecipientEntry.INVALID_CONTACT 1960 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 1961 } 1962 1963 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1964 int width) { 1965 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1966 int bottom = calculateOffsetFromBottom(line); 1967 // Align the alternates popup with the left side of the View, 1968 // regardless of the position of the chip tapped. 1969 popup.setWidth(width); 1970 popup.setAnchorView(this); 1971 popup.setVerticalOffset(bottom); 1972 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1973 popup.setOnItemClickListener(new OnItemClickListener() { 1974 @Override 1975 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1976 unselectChip(currentChip); 1977 popup.dismiss(); 1978 } 1979 }); 1980 popup.show(); 1981 ListView listView = popup.getListView(); 1982 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1983 listView.setItemChecked(0, true); 1984 } 1985 1986 /** 1987 * Remove selection from this chip. Unselecting a RecipientChip will render 1988 * the chip without a delete icon and with an unfocused background. This is 1989 * called when the RecipientChip no longer has focus. 1990 */ 1991 private void unselectChip(RecipientChip chip) { 1992 int start = getChipStart(chip); 1993 int end = getChipEnd(chip); 1994 Editable editable = getText(); 1995 mSelectedChip = null; 1996 if (start == -1 || end == -1) { 1997 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1998 setSelection(editable.length()); 1999 commitDefault(); 2000 } else { 2001 getSpannable().removeSpan(chip); 2002 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2003 editable.removeSpan(chip); 2004 try { 2005 if (!mNoChips) { 2006 editable.setSpan(constructChipSpan(chip.getEntry(), false, false), 2007 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2008 } 2009 } catch (NullPointerException e) { 2010 Log.e(TAG, e.getMessage(), e); 2011 } 2012 } 2013 setCursorVisible(true); 2014 setSelection(editable.length()); 2015 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2016 mAlternatesPopup.dismiss(); 2017 } 2018 } 2019 2020 /** 2021 * Return whether a touch event was inside the delete target of 2022 * a selected chip. It is in the delete target if: 2023 * 1) the x and y points of the event are within the 2024 * delete assset. 2025 * 2) the point tapped would have caused a cursor to appear 2026 * right after the selected chip. 2027 * @return boolean 2028 */ 2029 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2030 // Figure out the bounds of this chip and whether or not 2031 // the user clicked in the X portion. 2032 // TODO: Should x and y be used, or removed? 2033 return chip.isSelected() && offset == getChipEnd(chip); 2034 } 2035 2036 /** 2037 * Remove the chip and any text associated with it from the RecipientEditTextView. 2038 */ 2039 // Visible for testing. 2040 /*pacakge*/ void removeChip(RecipientChip chip) { 2041 Spannable spannable = getSpannable(); 2042 int spanStart = spannable.getSpanStart(chip); 2043 int spanEnd = spannable.getSpanEnd(chip); 2044 Editable text = getText(); 2045 int toDelete = spanEnd; 2046 boolean wasSelected = chip == mSelectedChip; 2047 // Clear that there is a selected chip before updating any text. 2048 if (wasSelected) { 2049 mSelectedChip = null; 2050 } 2051 // Always remove trailing spaces when removing a chip. 2052 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2053 toDelete++; 2054 } 2055 spannable.removeSpan(chip); 2056 if (spanStart >= 0 && toDelete > 0) { 2057 text.delete(spanStart, toDelete); 2058 } 2059 if (wasSelected) { 2060 clearSelectedChip(); 2061 } 2062 } 2063 2064 /** 2065 * Replace this currently selected chip with a new chip 2066 * that uses the contact data provided. 2067 */ 2068 // Visible for testing. 2069 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2070 boolean wasSelected = chip == mSelectedChip; 2071 if (wasSelected) { 2072 mSelectedChip = null; 2073 } 2074 int start = getChipStart(chip); 2075 int end = getChipEnd(chip); 2076 getSpannable().removeSpan(chip); 2077 Editable editable = getText(); 2078 CharSequence chipText = createChip(entry, false); 2079 if (chipText != null) { 2080 if (start == -1 || end == -1) { 2081 Log.e(TAG, "The chip to replace does not exist but should."); 2082 editable.insert(0, chipText); 2083 } else { 2084 if (!TextUtils.isEmpty(chipText)) { 2085 // There may be a space to replace with this chip's new 2086 // associated space. Check for it 2087 int toReplace = end; 2088 while (toReplace >= 0 && toReplace < editable.length() 2089 && editable.charAt(toReplace) == ' ') { 2090 toReplace++; 2091 } 2092 editable.replace(start, toReplace, chipText); 2093 } 2094 } 2095 } 2096 setCursorVisible(true); 2097 if (wasSelected) { 2098 clearSelectedChip(); 2099 } 2100 } 2101 2102 /** 2103 * Handle click events for a chip. When a selected chip receives a click 2104 * event, see if that event was in the delete icon. If so, delete it. 2105 * Otherwise, unselect the chip. 2106 */ 2107 public void onClick(RecipientChip chip, int offset, float x, float y) { 2108 if (chip.isSelected()) { 2109 if (isInDelete(chip, offset, x, y)) { 2110 removeChip(chip); 2111 } else { 2112 clearSelectedChip(); 2113 } 2114 } 2115 } 2116 2117 private boolean chipsPending() { 2118 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2119 } 2120 2121 @Override 2122 public void removeTextChangedListener(TextWatcher watcher) { 2123 mTextWatcher = null; 2124 super.removeTextChangedListener(watcher); 2125 } 2126 2127 private class RecipientTextWatcher implements TextWatcher { 2128 2129 @Override 2130 public void afterTextChanged(Editable s) { 2131 // If the text has been set to null or empty, make sure we remove 2132 // all the spans we applied. 2133 if (TextUtils.isEmpty(s)) { 2134 // Remove all the chips spans. 2135 Spannable spannable = getSpannable(); 2136 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2137 RecipientChip.class); 2138 for (RecipientChip chip : chips) { 2139 spannable.removeSpan(chip); 2140 } 2141 if (mMoreChip != null) { 2142 spannable.removeSpan(mMoreChip); 2143 } 2144 return; 2145 } 2146 // Get whether there are any recipients pending addition to the 2147 // view. If there are, don't do anything in the text watcher. 2148 if (chipsPending()) { 2149 return; 2150 } 2151 // If the user is editing a chip, don't clear it. 2152 if (mSelectedChip != null) { 2153 if (!isGeneratedContact(mSelectedChip)) { 2154 setCursorVisible(true); 2155 setSelection(getText().length()); 2156 clearSelectedChip(); 2157 } else { 2158 return; 2159 } 2160 } 2161 int length = s.length(); 2162 // Make sure there is content there to parse and that it is 2163 // not just the commit character. 2164 if (length > 1) { 2165 if (lastCharacterIsCommitCharacter(s)) { 2166 commitByCharacter(); 2167 return; 2168 } 2169 char last; 2170 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2171 int len = length() - 1; 2172 if (end != len) { 2173 last = s.charAt(end); 2174 } else { 2175 last = s.charAt(len); 2176 } 2177 if (last == COMMIT_CHAR_SPACE) { 2178 if (!isPhoneQuery()) { 2179 // Check if this is a valid email address. If it is, 2180 // commit it. 2181 String text = getText().toString(); 2182 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2183 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2184 tokenStart)); 2185 if (!TextUtils.isEmpty(sub) && mValidator != null && 2186 mValidator.isValid(sub)) { 2187 commitByCharacter(); 2188 } 2189 } 2190 } 2191 } 2192 } 2193 2194 @Override 2195 public void onTextChanged(CharSequence s, int start, int before, int count) { 2196 // The user deleted some text OR some text was replaced; check to 2197 // see if the insertion point is on a space 2198 // following a chip. 2199 if (before - count == 1) { 2200 // If the item deleted is a space, and the thing before the 2201 // space is a chip, delete the entire span. 2202 int selStart = getSelectionStart(); 2203 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2204 RecipientChip.class); 2205 if (repl.length > 0) { 2206 // There is a chip there! Just remove it. 2207 Editable editable = getText(); 2208 // Add the separator token. 2209 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2210 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2211 tokenEnd = tokenEnd + 1; 2212 if (tokenEnd > editable.length()) { 2213 tokenEnd = editable.length(); 2214 } 2215 editable.delete(tokenStart, tokenEnd); 2216 getSpannable().removeSpan(repl[0]); 2217 } 2218 } else if (count > before) { 2219 if (mSelectedChip != null 2220 && isGeneratedContact(mSelectedChip)) { 2221 if (lastCharacterIsCommitCharacter(s)) { 2222 commitByCharacter(); 2223 return; 2224 } 2225 } 2226 } 2227 } 2228 2229 @Override 2230 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2231 // Do nothing. 2232 } 2233 } 2234 2235 @Override 2236 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 2237 super.setAdapter(adapter); 2238 ((BaseRecipientAdapter) adapter) 2239 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 2240 @Override 2241 public void onChanged(List<RecipientEntry> entries) { 2242 if (entries != null && entries.size() > 0) { 2243 scrollBottomIntoView(); 2244 } 2245 } 2246 }); 2247 } 2248 2249 private void scrollBottomIntoView() { 2250 if (mScrollView != null && mShouldShrink) { 2251 int[] location = new int[2]; 2252 getLocationOnScreen(location); 2253 int height = getHeight(); 2254 int currentPos = location[1] + height; 2255 // Desired position shows at least 1 line of chips below the action 2256 // bar. 2257 // We add excess padding to make sure this is always below other 2258 // content. 2259 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 2260 if (currentPos > desiredPos) { 2261 mScrollView.scrollBy(0, currentPos - desiredPos); 2262 } 2263 } 2264 } 2265 2266 private int getExcessTopPadding() { 2267 if (sExcessTopPadding == -1) { 2268 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 2269 } 2270 return sExcessTopPadding; 2271 } 2272 2273 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2274 char last; 2275 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2276 int len = length() - 1; 2277 if (end != len) { 2278 last = s.charAt(end); 2279 } else { 2280 last = s.charAt(len); 2281 } 2282 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2283 } 2284 2285 public boolean isGeneratedContact(RecipientChip chip) { 2286 long contactId = chip.getContactId(); 2287 return contactId == RecipientEntry.INVALID_CONTACT 2288 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2289 } 2290 2291 /** 2292 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2293 */ 2294 private void handlePasteClip(ClipData clip) { 2295 removeTextChangedListener(mTextWatcher); 2296 2297 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2298 for (int i = 0; i < clip.getItemCount(); i++) { 2299 CharSequence paste = clip.getItemAt(i).getText(); 2300 if (paste != null) { 2301 int start = getSelectionStart(); 2302 int end = getSelectionEnd(); 2303 Editable editable = getText(); 2304 if (start >= 0 && end >= 0 && start != end) { 2305 editable.append(paste, start, end); 2306 } else { 2307 editable.insert(end, paste); 2308 } 2309 handlePasteAndReplace(); 2310 } 2311 } 2312 } 2313 2314 mHandler.post(mAddTextWatcher); 2315 } 2316 2317 @Override 2318 public boolean onTextContextMenuItem(int id) { 2319 if (id == android.R.id.paste) { 2320 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2321 Context.CLIPBOARD_SERVICE); 2322 handlePasteClip(clipboard.getPrimaryClip()); 2323 return true; 2324 } 2325 return super.onTextContextMenuItem(id); 2326 } 2327 2328 private void handlePasteAndReplace() { 2329 ArrayList<RecipientChip> created = handlePaste(); 2330 if (created != null && created.size() > 0) { 2331 // Perform reverse lookups on the pasted contacts. 2332 IndividualReplacementTask replace = new IndividualReplacementTask(); 2333 replace.execute(created); 2334 } 2335 } 2336 2337 // Visible for testing. 2338 /* package */ArrayList<RecipientChip> handlePaste() { 2339 String text = getText().toString(); 2340 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2341 String lastAddress = text.substring(originalTokenStart); 2342 int tokenStart = originalTokenStart; 2343 int prevTokenStart = tokenStart; 2344 RecipientChip findChip = null; 2345 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2346 if (tokenStart != 0) { 2347 // There are things before this! 2348 while (tokenStart != 0 && findChip == null) { 2349 prevTokenStart = tokenStart; 2350 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2351 findChip = findChip(tokenStart); 2352 } 2353 if (tokenStart != originalTokenStart) { 2354 if (findChip != null) { 2355 tokenStart = prevTokenStart; 2356 } 2357 int tokenEnd; 2358 RecipientChip createdChip; 2359 while (tokenStart < originalTokenStart) { 2360 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2361 tokenStart)); 2362 commitChip(tokenStart, tokenEnd, getText()); 2363 createdChip = findChip(tokenStart); 2364 if (createdChip == null) { 2365 break; 2366 } 2367 // +1 for the space at the end. 2368 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2369 created.add(createdChip); 2370 } 2371 } 2372 } 2373 // Take a look at the last token. If the token has been completed with a 2374 // commit character, create a chip. 2375 if (isCompletedToken(lastAddress)) { 2376 Editable editable = getText(); 2377 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2378 commitChip(tokenStart, editable.length(), editable); 2379 created.add(findChip(tokenStart)); 2380 } 2381 return created; 2382 } 2383 2384 // Visible for testing. 2385 /* package */int movePastTerminators(int tokenEnd) { 2386 if (tokenEnd >= length()) { 2387 return tokenEnd; 2388 } 2389 char atEnd = getText().toString().charAt(tokenEnd); 2390 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2391 tokenEnd++; 2392 } 2393 // This token had not only an end token character, but also a space 2394 // separating it from the next token. 2395 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2396 tokenEnd++; 2397 } 2398 return tokenEnd; 2399 } 2400 2401 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2402 private RecipientChip createFreeChip(RecipientEntry entry) { 2403 try { 2404 if (mNoChips) { 2405 return null; 2406 } 2407 return constructChipSpan(entry, false, 2408 false /*leave space for contact icon */); 2409 } catch (NullPointerException e) { 2410 Log.e(TAG, e.getMessage(), e); 2411 return null; 2412 } 2413 } 2414 2415 @Override 2416 protected void onPreExecute() { 2417 // Ensure everything is in chip-form already, so we don't have text that slowly gets 2418 // replaced 2419 final List<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2420 final RecipientChip[] existingChips = getSortedRecipients(); 2421 for (int i = 0; i < existingChips.length; i++) { 2422 originalRecipients.add(existingChips[i]); 2423 } 2424 if (mRemovedSpans != null) { 2425 originalRecipients.addAll(mRemovedSpans); 2426 } 2427 2428 final List<RecipientChip> replacements = 2429 new ArrayList<RecipientChip>(originalRecipients.size()); 2430 2431 for (final RecipientChip chip : originalRecipients) { 2432 if (RecipientEntry.isCreatedRecipient(chip.getEntry().getContactId()) 2433 && getSpannable().getSpanStart(chip) != -1) { 2434 replacements.add(createFreeChip(chip.getEntry())); 2435 } else { 2436 replacements.add(null); 2437 } 2438 } 2439 2440 processReplacements(originalRecipients, replacements); 2441 } 2442 2443 @Override 2444 protected Void doInBackground(Void... params) { 2445 if (mIndividualReplacements != null) { 2446 mIndividualReplacements.cancel(true); 2447 } 2448 // For each chip in the list, look up the matching contact. 2449 // If there is a match, replace that chip with the matching 2450 // chip. 2451 final ArrayList<RecipientChip> recipients = new ArrayList<RecipientChip>(); 2452 RecipientChip[] existingChips = getSortedRecipients(); 2453 for (int i = 0; i < existingChips.length; i++) { 2454 recipients.add(existingChips[i]); 2455 } 2456 if (mRemovedSpans != null) { 2457 recipients.addAll(mRemovedSpans); 2458 } 2459 ArrayList<String> addresses = new ArrayList<String>(); 2460 RecipientChip chip; 2461 for (int i = 0; i < recipients.size(); i++) { 2462 chip = recipients.get(i); 2463 if (chip != null) { 2464 addresses.add(createAddressText(chip.getEntry())); 2465 } 2466 } 2467 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2468 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2469 new RecipientMatchCallback() { 2470 2471 @Override 2472 public void matchesFound(Map<String, RecipientEntry> entries) { 2473 final ArrayList<RecipientChip> replacements = 2474 new ArrayList<RecipientChip>(); 2475 for (final RecipientChip temp : recipients) { 2476 RecipientEntry entry = null; 2477 if (temp != null && RecipientEntry.isCreatedRecipient( 2478 temp.getEntry().getContactId()) 2479 && getSpannable().getSpanStart(temp) != -1) { 2480 // Replace this. 2481 entry = createValidatedEntry( 2482 entries.get(tokenizeAddress(temp.getEntry() 2483 .getDestination()))); 2484 } 2485 if (entry != null) { 2486 replacements.add(createFreeChip(entry)); 2487 } else { 2488 replacements.add(null); 2489 } 2490 } 2491 processReplacements(recipients, replacements); 2492 } 2493 2494 @Override 2495 public void matchesNotFound(final Set<String> unfoundAddresses) { 2496 final List<RecipientChip> replacements = 2497 new ArrayList<RecipientChip>(unfoundAddresses.size()); 2498 2499 for (final RecipientChip temp : recipients) { 2500 if (temp != null && RecipientEntry.isCreatedRecipient( 2501 temp.getEntry().getContactId()) 2502 && getSpannable().getSpanStart(temp) != -1) { 2503 if (unfoundAddresses.contains( 2504 temp.getEntry().getDestination())) { 2505 replacements.add(createFreeChip(temp.getEntry())); 2506 } else { 2507 replacements.add(null); 2508 } 2509 } else { 2510 replacements.add(null); 2511 } 2512 } 2513 2514 processReplacements(recipients, replacements); 2515 } 2516 }); 2517 return null; 2518 } 2519 2520 private void processReplacements(final List<RecipientChip> recipients, 2521 final List<RecipientChip> replacements) { 2522 if (replacements != null && replacements.size() > 0) { 2523 final Runnable runnable = new Runnable() { 2524 @Override 2525 public void run() { 2526 Editable oldText = getText(); 2527 int start, end; 2528 int i = 0; 2529 for (RecipientChip chip : recipients) { 2530 RecipientChip replacement = replacements.get(i); 2531 if (replacement != null) { 2532 final RecipientEntry oldEntry = chip.getEntry(); 2533 final RecipientEntry newEntry = replacement.getEntry(); 2534 final boolean isBetter = 2535 RecipientAlternatesAdapter.getBetterRecipient( 2536 oldEntry, newEntry) == newEntry; 2537 2538 if (isBetter) { 2539 // Find the location of the chip in the text currently shown. 2540 start = oldText.getSpanStart(chip); 2541 if (start != -1) { 2542 // Replacing the entirety of what the chip represented, 2543 // including the extra space dividing it from other chips. 2544 end = oldText.getSpanEnd(chip) + 1; 2545 oldText.removeSpan(chip); 2546 // Make sure we always have just 1 space at the end to 2547 // separate this chip from the next chip. 2548 SpannableString displayText = 2549 new SpannableString(createAddressText( 2550 replacement.getEntry()).trim() 2551 + " "); 2552 displayText.setSpan(replacement, 0, 2553 displayText.length() - 1, 2554 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2555 // Replace the old text we found with with the new display 2556 // text, which now may also contain the display name of the 2557 // recipient. 2558 oldText.replace(start, end, displayText); 2559 replacement.setOriginalText(displayText.toString()); 2560 replacements.set(i, null); 2561 2562 recipients.set(i, replacement); 2563 } 2564 } 2565 } 2566 i++; 2567 } 2568 } 2569 }; 2570 2571 if (Looper.myLooper() == Looper.getMainLooper()) { 2572 runnable.run(); 2573 } else { 2574 mHandler.post(runnable); 2575 } 2576 } 2577 } 2578 } 2579 2580 private class IndividualReplacementTask 2581 extends AsyncTask<ArrayList<RecipientChip>, Void, Void> { 2582 @Override 2583 protected Void doInBackground(ArrayList<RecipientChip>... params) { 2584 // For each chip in the list, look up the matching contact. 2585 // If there is a match, replace that chip with the matching 2586 // chip. 2587 final ArrayList<RecipientChip> originalRecipients = params[0]; 2588 ArrayList<String> addresses = new ArrayList<String>(); 2589 RecipientChip chip; 2590 for (int i = 0; i < originalRecipients.size(); i++) { 2591 chip = originalRecipients.get(i); 2592 if (chip != null) { 2593 addresses.add(createAddressText(chip.getEntry())); 2594 } 2595 } 2596 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2597 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2598 new RecipientMatchCallback() { 2599 2600 @Override 2601 public void matchesFound(Map<String, RecipientEntry> entries) { 2602 for (final RecipientChip temp : originalRecipients) { 2603 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2604 .getContactId()) 2605 && getSpannable().getSpanStart(temp) != -1) { 2606 // Replace this. 2607 RecipientEntry entry = createValidatedEntry(entries 2608 .get(tokenizeAddress(temp.getEntry().getDestination()) 2609 .toLowerCase())); 2610 // If we don't have a validated contact 2611 // match, just use the 2612 // entry as it existed before. 2613 if (entry == null && !isPhoneQuery()) { 2614 entry = temp.getEntry(); 2615 } 2616 final RecipientEntry tempEntry = entry; 2617 if (tempEntry != null) { 2618 mHandler.post(new Runnable() { 2619 @Override 2620 public void run() { 2621 replaceChip(temp, tempEntry); 2622 } 2623 }); 2624 } 2625 } 2626 } 2627 } 2628 2629 @Override 2630 public void matchesNotFound(final Set<String> unfoundAddresses) { 2631 // No action required 2632 } 2633 }); 2634 return null; 2635 } 2636 } 2637 2638 2639 /** 2640 * MoreImageSpan is a simple class created for tracking the existence of a 2641 * more chip across activity restarts/ 2642 */ 2643 private class MoreImageSpan extends ImageSpan { 2644 public MoreImageSpan(Drawable b) { 2645 super(b); 2646 } 2647 } 2648 2649 @Override 2650 public boolean onDown(MotionEvent e) { 2651 return false; 2652 } 2653 2654 @Override 2655 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2656 // Do nothing. 2657 return false; 2658 } 2659 2660 @Override 2661 public void onLongPress(MotionEvent event) { 2662 if (mSelectedChip != null) { 2663 return; 2664 } 2665 float x = event.getX(); 2666 float y = event.getY(); 2667 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2668 RecipientChip currentChip = findChip(offset); 2669 if (currentChip != null) { 2670 if (mDragEnabled) { 2671 // Start drag-and-drop for the selected chip. 2672 startDrag(currentChip); 2673 } else { 2674 // Copy the selected chip email address. 2675 showCopyDialog(currentChip.getEntry().getDestination()); 2676 } 2677 } 2678 } 2679 2680 /** 2681 * Enables drag-and-drop for chips. 2682 */ 2683 public void enableDrag() { 2684 mDragEnabled = true; 2685 } 2686 2687 /** 2688 * Starts drag-and-drop for the selected chip. 2689 */ 2690 private void startDrag(RecipientChip currentChip) { 2691 String address = currentChip.getEntry().getDestination(); 2692 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2693 2694 // Start drag mode. 2695 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2696 2697 // Remove the current chip, so drag-and-drop will result in a move. 2698 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2699 removeChip(currentChip); 2700 } 2701 2702 /** 2703 * Handles drag event. 2704 */ 2705 @Override 2706 public boolean onDragEvent(DragEvent event) { 2707 switch (event.getAction()) { 2708 case DragEvent.ACTION_DRAG_STARTED: 2709 // Only handle plain text drag and drop. 2710 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2711 case DragEvent.ACTION_DRAG_ENTERED: 2712 requestFocus(); 2713 return true; 2714 case DragEvent.ACTION_DROP: 2715 handlePasteClip(event.getClipData()); 2716 return true; 2717 } 2718 return false; 2719 } 2720 2721 /** 2722 * Drag shadow for a {@link RecipientChip}. 2723 */ 2724 private final class RecipientChipShadow extends DragShadowBuilder { 2725 private final RecipientChip mChip; 2726 2727 public RecipientChipShadow(RecipientChip chip) { 2728 mChip = chip; 2729 } 2730 2731 @Override 2732 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2733 Rect rect = mChip.getBounds(); 2734 shadowSize.set(rect.width(), rect.height()); 2735 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2736 } 2737 2738 @Override 2739 public void onDrawShadow(Canvas canvas) { 2740 mChip.draw(canvas); 2741 } 2742 } 2743 2744 private void showCopyDialog(final String address) { 2745 mCopyAddress = address; 2746 mCopyDialog.setTitle(address); 2747 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2748 mCopyDialog.setCancelable(true); 2749 mCopyDialog.setCanceledOnTouchOutside(true); 2750 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2751 button.setOnClickListener(this); 2752 int btnTitleId; 2753 if (isPhoneQuery()) { 2754 btnTitleId = R.string.copy_number; 2755 } else { 2756 btnTitleId = R.string.copy_email; 2757 } 2758 String buttonTitle = getContext().getResources().getString(btnTitleId); 2759 button.setText(buttonTitle); 2760 mCopyDialog.setOnDismissListener(this); 2761 mCopyDialog.show(); 2762 } 2763 2764 @Override 2765 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2766 // Do nothing. 2767 return false; 2768 } 2769 2770 @Override 2771 public void onShowPress(MotionEvent e) { 2772 // Do nothing. 2773 } 2774 2775 @Override 2776 public boolean onSingleTapUp(MotionEvent e) { 2777 // Do nothing. 2778 return false; 2779 } 2780 2781 @Override 2782 public void onDismiss(DialogInterface dialog) { 2783 mCopyAddress = null; 2784 } 2785 2786 @Override 2787 public void onClick(View v) { 2788 // Copy this to the clipboard. 2789 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2790 Context.CLIPBOARD_SERVICE); 2791 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2792 mCopyDialog.dismiss(); 2793 } 2794 2795 protected boolean isPhoneQuery() { 2796 return getAdapter() != null 2797 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2798 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2799 } 2800} 2801