RecipientEditTextView.java revision 488718e8f464d8554dd1cb00395fdfc7871f0fc8
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.Message; 40import android.os.Parcelable; 41import android.text.Editable; 42import android.text.InputType; 43import android.text.Layout; 44import android.text.Spannable; 45import android.text.SpannableString; 46import android.text.Spanned; 47import android.text.TextPaint; 48import android.text.TextUtils; 49import android.text.TextWatcher; 50import android.text.method.QwertyKeyListener; 51import android.text.style.ImageSpan; 52import android.text.util.Rfc822Token; 53import android.text.util.Rfc822Tokenizer; 54import android.util.AttributeSet; 55import android.util.Log; 56import android.util.TypedValue; 57import android.view.ActionMode; 58import android.view.ActionMode.Callback; 59import android.view.DragEvent; 60import android.view.GestureDetector; 61import android.view.KeyEvent; 62import android.view.LayoutInflater; 63import android.view.Menu; 64import android.view.MenuItem; 65import android.view.MotionEvent; 66import android.view.View; 67import android.view.View.OnClickListener; 68import android.view.ViewParent; 69import android.view.inputmethod.EditorInfo; 70import android.view.inputmethod.InputConnection; 71import android.widget.AdapterView; 72import android.widget.AdapterView.OnItemClickListener; 73import android.widget.Button; 74import android.widget.Filterable; 75import android.widget.ListAdapter; 76import android.widget.ListPopupWindow; 77import android.widget.ListView; 78import android.widget.MultiAutoCompleteTextView; 79import android.widget.ScrollView; 80import android.widget.TextView; 81 82import com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 83 84import java.util.ArrayList; 85import java.util.Arrays; 86import java.util.Collection; 87import java.util.Collections; 88import java.util.Comparator; 89import java.util.HashMap; 90import java.util.HashSet; 91import java.util.List; 92import java.util.Set; 93import java.util.regex.Matcher; 94import java.util.regex.Pattern; 95 96/** 97 * RecipientEditTextView is an auto complete text view for use with applications 98 * that use the new Chips UI for addressing a message to recipients. 99 */ 100public class RecipientEditTextView extends MultiAutoCompleteTextView implements 101 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 102 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 103 TextView.OnEditorActionListener { 104 105 private static final char COMMIT_CHAR_COMMA = ','; 106 107 private static final char NAME_WRAPPER_CHAR = '"'; 108 109 private static final char COMMIT_CHAR_SEMICOLON = ';'; 110 111 private static final char COMMIT_CHAR_SPACE = ' '; 112 113 private static final String TAG = "RecipientEditTextView"; 114 115 private static int DISMISS = "dismiss".hashCode(); 116 117 private static final long DISMISS_DELAY = 300; 118 119 // TODO: get correct number/ algorithm from with UX. 120 // Visible for testing. 121 /*package*/ static final int CHIP_LIMIT = 2; 122 123 private static final int MAX_CHIPS_PARSED = 50; 124 125 private static int sSelectedTextColor = -1; 126 127 // Resources for displaying chips. 128 private Drawable mChipBackground = null; 129 130 private Drawable mChipDelete = null; 131 132 private Drawable mInvalidChipBackground; 133 134 private Drawable mChipBackgroundPressed; 135 136 private float mChipHeight; 137 138 private float mChipFontSize; 139 140 private float mLineSpacingExtra; 141 142 private int mChipPadding; 143 144 private Tokenizer mTokenizer; 145 146 private Validator mValidator; 147 148 private RecipientChip mSelectedChip; 149 150 private int mAlternatesLayout; 151 152 private Bitmap mDefaultContactPhoto; 153 154 private ImageSpan mMoreChip; 155 156 private TextView mMoreItem; 157 158 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 159 160 private Handler mHandler; 161 162 private int mPendingChipsCount = 0; 163 164 private boolean mNoChips = false; 165 166 private ListPopupWindow mAlternatesPopup; 167 168 private ListPopupWindow mAddressPopup; 169 170 private ArrayList<RecipientChip> mTemporaryRecipients; 171 172 private ArrayList<RecipientChip> mRemovedSpans; 173 174 private boolean mShouldShrink = true; 175 176 // Chip copy fields. 177 private GestureDetector mGestureDetector; 178 179 private Dialog mCopyDialog; 180 181 private String mCopyAddress; 182 183 /** 184 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 185 * selected chip. 186 */ 187 private OnItemClickListener mAlternatesListener; 188 189 private int mCheckedItem; 190 191 private TextWatcher mTextWatcher; 192 193 // Obtain the enclosing scroll view, if it exists, so that the view can be 194 // scrolled to show the last line of chips content. 195 private ScrollView mScrollView; 196 197 private boolean mTriedGettingScrollView; 198 199 private boolean mDragEnabled = false; 200 201 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 202 // parens, so numbers such as "1 (425) 222-2342" match. 203 private static final Pattern PHONE_PATTERN 204 = Pattern.compile( // sdd = space, dot, or dash 205 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 206 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 207 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 208 209 private final Runnable mAddTextWatcher = new Runnable() { 210 @Override 211 public void run() { 212 if (mTextWatcher == null) { 213 mTextWatcher = new RecipientTextWatcher(); 214 addTextChangedListener(mTextWatcher); 215 } 216 } 217 }; 218 219 private IndividualReplacementTask mIndividualReplacements; 220 221 private Runnable mHandlePendingChips = new Runnable() { 222 223 @Override 224 public void run() { 225 handlePendingChips(); 226 } 227 228 }; 229 230 private Runnable mDelayedShrink = new Runnable() { 231 232 @Override 233 public void run() { 234 shrink(); 235 } 236 237 }; 238 239 private int mMaxLines; 240 241 private static int sExcessTopPadding = -1; 242 243 private int mActionBarHeight; 244 245 public RecipientEditTextView(Context context, AttributeSet attrs) { 246 super(context, attrs); 247 setChipDimensions(context, attrs); 248 if (sSelectedTextColor == -1) { 249 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 250 } 251 mAlternatesPopup = new ListPopupWindow(context); 252 mAddressPopup = new ListPopupWindow(context); 253 mCopyDialog = new Dialog(context); 254 mAlternatesListener = new OnItemClickListener() { 255 @Override 256 public void onItemClick(AdapterView<?> adapterView,View view, int position, 257 long rowId) { 258 mAlternatesPopup.setOnItemClickListener(null); 259 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 260 .getRecipientEntry(position)); 261 Message delayed = Message.obtain(mHandler, DISMISS); 262 delayed.obj = mAlternatesPopup; 263 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 264 clearComposingText(); 265 } 266 }; 267 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 268 setOnItemClickListener(this); 269 setCustomSelectionActionModeCallback(this); 270 mHandler = new Handler() { 271 @Override 272 public void handleMessage(Message msg) { 273 if (msg.what == DISMISS) { 274 ((ListPopupWindow) msg.obj).dismiss(); 275 return; 276 } 277 super.handleMessage(msg); 278 } 279 }; 280 mTextWatcher = new RecipientTextWatcher(); 281 addTextChangedListener(mTextWatcher); 282 mGestureDetector = new GestureDetector(context, this); 283 setOnEditorActionListener(this); 284 } 285 286 @Override 287 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 288 if (action == EditorInfo.IME_ACTION_DONE) { 289 if (commitDefault()) { 290 return true; 291 } 292 if (mSelectedChip != null) { 293 clearSelectedChip(); 294 return true; 295 } else if (focusNext()) { 296 return true; 297 } 298 } 299 return false; 300 } 301 302 @Override 303 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 304 InputConnection connection = super.onCreateInputConnection(outAttrs); 305 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 306 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 307 // clear the existing action 308 outAttrs.imeOptions ^= imeActions; 309 // set the DONE action 310 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 311 } 312 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 313 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 314 } 315 outAttrs.actionLabel = getContext().getString(R.string.done); 316 return connection; 317 } 318 319 /*package*/ RecipientChip getLastChip() { 320 RecipientChip last = null; 321 RecipientChip[] chips = getSortedRecipients(); 322 if (chips != null && chips.length > 0) { 323 last = chips[chips.length - 1]; 324 } 325 return last; 326 } 327 328 @Override 329 public void onSelectionChanged(int start, int end) { 330 // When selection changes, see if it is inside the chips area. 331 // If so, move the cursor back after the chips again. 332 RecipientChip last = getLastChip(); 333 if (last != null && start < getSpannable().getSpanEnd(last)) { 334 // Grab the last chip and set the cursor to after it. 335 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 336 } 337 super.onSelectionChanged(start, end); 338 } 339 340 @Override 341 public void onRestoreInstanceState(Parcelable state) { 342 if (!TextUtils.isEmpty(getText())) { 343 super.onRestoreInstanceState(null); 344 } else { 345 super.onRestoreInstanceState(state); 346 } 347 } 348 349 @Override 350 public Parcelable onSaveInstanceState() { 351 // If the user changes orientation while they are editing, just roll back the selection. 352 clearSelectedChip(); 353 return super.onSaveInstanceState(); 354 } 355 356 /** 357 * Convenience method: Append the specified text slice to the TextView's 358 * display buffer, upgrading it to BufferType.EDITABLE if it was 359 * not already editable. Commas are excluded as they are added automatically 360 * by the view. 361 */ 362 @Override 363 public void append(CharSequence text, int start, int end) { 364 // We don't care about watching text changes while appending. 365 if (mTextWatcher != null) { 366 removeTextChangedListener(mTextWatcher); 367 } 368 super.append(text, start, end); 369 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 370 String displayString = text.toString(); 371 int separatorPos = displayString.lastIndexOf(COMMIT_CHAR_COMMA); 372 // Verify that the separator pos is not within ""; if it is, look 373 // past the closing quote. If there is no comma past ", this string 374 // will resolve to an error chip. 375 if (separatorPos > -1) { 376 String parseDisplayString = displayString.substring(separatorPos); 377 int endQuotedTextPos = parseDisplayString.indexOf(NAME_WRAPPER_CHAR); 378 if (endQuotedTextPos > separatorPos) { 379 separatorPos = parseDisplayString.lastIndexOf(COMMIT_CHAR_COMMA, 380 endQuotedTextPos); 381 } 382 } 383 if (!TextUtils.isEmpty(displayString) 384 && TextUtils.getTrimmedLength(displayString) > 0) { 385 mPendingChipsCount++; 386 mPendingChips.add(text.toString()); 387 } 388 } 389 // Put a message on the queue to make sure we ALWAYS handle pending 390 // chips. 391 if (mPendingChipsCount > 0) { 392 postHandlePendingChips(); 393 } 394 mHandler.post(mAddTextWatcher); 395 } 396 397 @Override 398 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 399 super.onFocusChanged(hasFocus, direction, previous); 400 if (!hasFocus) { 401 shrink(); 402 } else { 403 expand(); 404 } 405 } 406 407 @Override 408 public void performValidation() { 409 // Do nothing. Chips handles its own validation. 410 } 411 412 private void shrink() { 413 if (mTokenizer == null) { 414 return; 415 } 416 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 417 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 418 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 419 clearSelectedChip(); 420 } else { 421 if (getWidth() <= 0) { 422 // We don't have the width yet which means the view hasn't been drawn yet 423 // and there is no reason to attempt to commit chips yet. 424 // This focus lost must be the result of an orientation change 425 // or an initial rendering. 426 // Re-post the shrink for later. 427 mHandler.removeCallbacks(mDelayedShrink); 428 mHandler.post(mDelayedShrink); 429 return; 430 } 431 // Reset any pending chips as they would have been handled 432 // when the field lost focus. 433 if (mPendingChipsCount > 0) { 434 postHandlePendingChips(); 435 } else { 436 Editable editable = getText(); 437 int end = getSelectionEnd(); 438 int start = mTokenizer.findTokenStart(editable, end); 439 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 440 if ((chips == null || chips.length == 0)) { 441 Editable text = getText(); 442 int whatEnd = mTokenizer.findTokenEnd(text, start); 443 // This token was already tokenized, so skip past the ending token. 444 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 445 whatEnd = movePastTerminators(whatEnd); 446 } 447 // In the middle of chip; treat this as an edit 448 // and commit the whole token. 449 int selEnd = getSelectionEnd(); 450 if (whatEnd != selEnd) { 451 handleEdit(start, whatEnd); 452 } else { 453 commitChip(start, end, editable); 454 } 455 } 456 } 457 mHandler.post(mAddTextWatcher); 458 } 459 createMoreChip(); 460 } 461 462 private void expand() { 463 if (mShouldShrink) { 464 setMaxLines(Integer.MAX_VALUE); 465 } 466 removeMoreChip(); 467 setCursorVisible(true); 468 Editable text = getText(); 469 setSelection(text != null && text.length() > 0 ? text.length() : 0); 470 // If there are any temporary chips, try replacing them now that the user 471 // has expanded the field. 472 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 473 new RecipientReplacementTask().execute(); 474 mTemporaryRecipients = null; 475 } 476 } 477 478 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 479 paint.setTextSize(mChipFontSize); 480 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 481 Log.d(TAG, "Max width is negative: " + maxWidth); 482 } 483 return TextUtils.ellipsize(text, paint, maxWidth, 484 TextUtils.TruncateAt.END); 485 } 486 487 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 488 // Ellipsize the text so that it takes AT MOST the entire width of the 489 // autocomplete text entry area. Make sure to leave space for padding 490 // on the sides. 491 int height = (int) mChipHeight; 492 int deleteWidth = height; 493 float[] widths = new float[1]; 494 paint.getTextWidths(" ", widths); 495 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 496 calculateAvailableWidth(true) - deleteWidth - widths[0]); 497 498 // Make sure there is a minimum chip width so the user can ALWAYS 499 // tap a chip without difficulty. 500 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 501 ellipsizedText.length())) 502 + (mChipPadding * 2) + deleteWidth); 503 504 // Create the background of the chip. 505 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 506 Canvas canvas = new Canvas(tmpBitmap); 507 if (mChipBackgroundPressed != null) { 508 mChipBackgroundPressed.setBounds(0, 0, width, height); 509 mChipBackgroundPressed.draw(canvas); 510 paint.setColor(sSelectedTextColor); 511 // Vertically center the text in the chip. 512 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 513 getTextYOffset((String) ellipsizedText, paint, height), paint); 514 // Make the delete a square. 515 Rect backgroundPadding = new Rect(); 516 mChipBackgroundPressed.getPadding(backgroundPadding); 517 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 518 0 + backgroundPadding.top, 519 width - backgroundPadding.right, 520 height - backgroundPadding.bottom); 521 mChipDelete.draw(canvas); 522 } else { 523 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 524 } 525 return tmpBitmap; 526 } 527 528 529 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout, 530 boolean leaveBlankIconSpacer) { 531 // Ellipsize the text so that it takes AT MOST the entire width of the 532 // autocomplete text entry area. Make sure to leave space for padding 533 // on the sides. 534 int height = (int) mChipHeight; 535 int iconWidth = height; 536 float[] widths = new float[1]; 537 paint.getTextWidths(" ", widths); 538 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 539 calculateAvailableWidth(false) - iconWidth - widths[0]); 540 // Make sure there is a minimum chip width so the user can ALWAYS 541 // tap a chip without difficulty. 542 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 543 ellipsizedText.length())) 544 + (mChipPadding * 2) + iconWidth); 545 546 // Create the background of the chip. 547 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 548 Canvas canvas = new Canvas(tmpBitmap); 549 Drawable background = getChipBackground(contact); 550 if (background != null) { 551 background.setBounds(0, 0, width, height); 552 background.draw(canvas); 553 554 // Don't draw photos for recipients that have been typed in OR generated on the fly. 555 long contactId = contact.getContactId(); 556 boolean drawPhotos = isPhoneQuery() ? 557 contactId != RecipientEntry.INVALID_CONTACT 558 : (contactId != RecipientEntry.INVALID_CONTACT 559 && (contactId != RecipientEntry.GENERATED_CONTACT && 560 !TextUtils.isEmpty(contact.getDisplayName()))); 561 if (drawPhotos) { 562 byte[] photoBytes = contact.getPhotoBytes(); 563 // There may not be a photo yet if anything but the first contact address 564 // was selected. 565 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 566 // TODO: cache this in the recipient entry? 567 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 568 .getPhotoThumbnailUri()); 569 photoBytes = contact.getPhotoBytes(); 570 } 571 572 Bitmap photo; 573 if (photoBytes != null) { 574 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 575 } else { 576 // TODO: can the scaled down default photo be cached? 577 photo = mDefaultContactPhoto; 578 } 579 // Draw the photo on the left side. 580 if (photo != null) { 581 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 582 Rect backgroundPadding = new Rect(); 583 mChipBackground.getPadding(backgroundPadding); 584 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 585 0 + backgroundPadding.top, 586 width - backgroundPadding.right, 587 height - backgroundPadding.bottom); 588 Matrix matrix = new Matrix(); 589 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 590 canvas.drawBitmap(photo, matrix, paint); 591 } 592 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 593 iconWidth = 0; 594 } 595 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 596 // Vertically center the text in the chip. 597 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 598 getTextYOffset((String)ellipsizedText, paint, height), paint); 599 } else { 600 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 601 } 602 return tmpBitmap; 603 } 604 605 /** 606 * Get the background drawable for a RecipientChip. 607 */ 608 // Visible for testing. 609 /* package */Drawable getChipBackground(RecipientEntry contact) { 610 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 611 } 612 613 private float getTextYOffset(String text, TextPaint paint, int height) { 614 Rect bounds = new Rect(); 615 paint.getTextBounds(text, 0, text.length(), bounds); 616 int textHeight = bounds.bottom - bounds.top ; 617 return height - ((height - textHeight) / 2) - (int)paint.descent(); 618 } 619 620 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed, 621 boolean leaveIconSpace) throws NullPointerException { 622 if (mChipBackground == null) { 623 throw new NullPointerException( 624 "Unable to render any chips as setChipDimensions was not called."); 625 } 626 Layout layout = getLayout(); 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, layout); 635 636 } else { 637 tmpBitmap = createUnselectedChip(contact, paint, layout, 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, offset); 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(boolean pressed) { 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 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 909 boolean visible) { 910 if (alreadyHasChip(tokenStart, tokenEnd)) { 911 // There is already a chip present at this location. 912 // Don't recreate it. 913 return; 914 } 915 String token = editable.toString().substring(tokenStart, tokenEnd); 916 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 917 if (commitCharIndex == token.length() - 1) { 918 token = token.substring(0, token.length() - 1); 919 } 920 RecipientEntry entry = createTokenizedEntry(token); 921 if (entry != null) { 922 String destText = createAddressText(entry); 923 SpannableString chipText = new SpannableString(destText); 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, tokenStart, false, leaveSpace) 936 : new InvisibleRecipientChip(entry, commitCharIndex); 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(chipText.toString()); 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 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_ENTER: 1079 case KeyEvent.KEYCODE_DPAD_CENTER: 1080 if (event.hasNoModifiers()) { 1081 if (commitDefault()) { 1082 return true; 1083 } 1084 if (mSelectedChip != null) { 1085 clearSelectedChip(); 1086 return true; 1087 } else if (focusNext()) { 1088 return true; 1089 } 1090 } 1091 break; 1092 case KeyEvent.KEYCODE_TAB: 1093 if (event.hasNoModifiers()) { 1094 if (mSelectedChip != null) { 1095 clearSelectedChip(); 1096 } else { 1097 commitDefault(); 1098 } 1099 if (focusNext()) { 1100 return true; 1101 } 1102 } 1103 break; 1104 } 1105 return super.onKeyUp(keyCode, event); 1106 } 1107 1108 private boolean focusNext() { 1109 View next = focusSearch(View.FOCUS_DOWN); 1110 if (next != null) { 1111 next.requestFocus(); 1112 return true; 1113 } 1114 return false; 1115 } 1116 1117 /** 1118 * Create a chip from the default selection. If the popup is showing, the 1119 * default is the first item in the popup suggestions list. Otherwise, it is 1120 * whatever the user had typed in. End represents where the the tokenizer 1121 * should search for a token to turn into a chip. 1122 * @return If a chip was created from a real contact. 1123 */ 1124 private boolean commitDefault() { 1125 // If there is no tokenizer, don't try to commit. 1126 if (mTokenizer == null) { 1127 return false; 1128 } 1129 Editable editable = getText(); 1130 int end = getSelectionEnd(); 1131 int start = mTokenizer.findTokenStart(editable, end); 1132 1133 if (shouldCreateChip(start, end)) { 1134 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1135 // In the middle of chip; treat this as an edit 1136 // and commit the whole token. 1137 whatEnd = movePastTerminators(whatEnd); 1138 if (whatEnd != getSelectionEnd()) { 1139 handleEdit(start, whatEnd); 1140 return true; 1141 } 1142 return commitChip(start, end , editable); 1143 } 1144 return false; 1145 } 1146 1147 private void commitByCharacter() { 1148 // We can't possibly commit by character if we can't tokenize. 1149 if (mTokenizer == null) { 1150 return; 1151 } 1152 Editable editable = getText(); 1153 int end = getSelectionEnd(); 1154 int start = mTokenizer.findTokenStart(editable, end); 1155 if (shouldCreateChip(start, end)) { 1156 commitChip(start, end, editable); 1157 } 1158 setSelection(getText().length()); 1159 } 1160 1161 private boolean commitChip(int start, int end, Editable editable) { 1162 ListAdapter adapter = getAdapter(); 1163 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1164 && end == getSelectionEnd() && !isPhoneQuery()) { 1165 // choose the first entry. 1166 submitItemAtPosition(0); 1167 dismissDropDown(); 1168 return true; 1169 } else { 1170 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1171 if (editable.length() > tokenEnd + 1) { 1172 char charAt = editable.charAt(tokenEnd + 1); 1173 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1174 tokenEnd++; 1175 } 1176 } 1177 String text = editable.toString().substring(start, tokenEnd).trim(); 1178 clearComposingText(); 1179 if (text != null && text.length() > 0 && !text.equals(" ")) { 1180 RecipientEntry entry = createTokenizedEntry(text); 1181 if (entry != null) { 1182 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1183 CharSequence chipText = createChip(entry, false); 1184 if (chipText != null && start > -1 && end > -1) { 1185 editable.replace(start, end, chipText); 1186 } 1187 } 1188 // Only dismiss the dropdown if it is related to the text we 1189 // just committed. 1190 // For paste, it may not be as there are possibly multiple 1191 // tokens being added. 1192 if (end == getSelectionEnd()) { 1193 dismissDropDown(); 1194 } 1195 sanitizeBetween(); 1196 return true; 1197 } 1198 } 1199 return false; 1200 } 1201 1202 // Visible for testing. 1203 /* package */ void sanitizeBetween() { 1204 // Don't sanitize while we are waiting for content to chipify. 1205 if (mPendingChipsCount > 0) { 1206 return; 1207 } 1208 // Find the last chip. 1209 RecipientChip[] recips = getSortedRecipients(); 1210 if (recips != null && recips.length > 0) { 1211 RecipientChip last = recips[recips.length - 1]; 1212 RecipientChip beforeLast = null; 1213 if (recips.length > 1) { 1214 beforeLast = recips[recips.length - 2]; 1215 } 1216 int startLooking = 0; 1217 int end = getSpannable().getSpanStart(last); 1218 if (beforeLast != null) { 1219 startLooking = getSpannable().getSpanEnd(beforeLast); 1220 Editable text = getText(); 1221 if (startLooking == -1 || startLooking > text.length() - 1) { 1222 // There is nothing after this chip. 1223 return; 1224 } 1225 if (text.charAt(startLooking) == ' ') { 1226 startLooking++; 1227 } 1228 } 1229 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1230 getText().delete(startLooking, end); 1231 } 1232 } 1233 } 1234 1235 private boolean shouldCreateChip(int start, int end) { 1236 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1237 } 1238 1239 private boolean alreadyHasChip(int start, int end) { 1240 if (mNoChips) { 1241 return true; 1242 } 1243 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1244 if ((chips == null || chips.length == 0)) { 1245 return false; 1246 } 1247 return true; 1248 } 1249 1250 private void handleEdit(int start, int end) { 1251 if (start == -1 || end == -1) { 1252 // This chip no longer exists in the field. 1253 dismissDropDown(); 1254 return; 1255 } 1256 // This is in the middle of a chip, so select out the whole chip 1257 // and commit it. 1258 Editable editable = getText(); 1259 setSelection(end); 1260 String text = getText().toString().substring(start, end); 1261 if (!TextUtils.isEmpty(text)) { 1262 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1263 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1264 CharSequence chipText = createChip(entry, false); 1265 int selEnd = getSelectionEnd(); 1266 if (chipText != null && start > -1 && selEnd > -1) { 1267 editable.replace(start, selEnd, chipText); 1268 } 1269 } 1270 dismissDropDown(); 1271 } 1272 1273 /** 1274 * If there is a selected chip, delegate the key events 1275 * to the selected chip. 1276 */ 1277 @Override 1278 public boolean onKeyDown(int keyCode, KeyEvent event) { 1279 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1280 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1281 mAlternatesPopup.dismiss(); 1282 } 1283 removeChip(mSelectedChip); 1284 } 1285 1286 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1287 return true; 1288 } 1289 1290 return super.onKeyDown(keyCode, event); 1291 } 1292 1293 // Visible for testing. 1294 /* package */ Spannable getSpannable() { 1295 return getText(); 1296 } 1297 1298 private int getChipStart(RecipientChip chip) { 1299 return getSpannable().getSpanStart(chip); 1300 } 1301 1302 private int getChipEnd(RecipientChip chip) { 1303 return getSpannable().getSpanEnd(chip); 1304 } 1305 1306 /** 1307 * Instead of filtering on the entire contents of the edit box, 1308 * this subclass method filters on the range from 1309 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1310 * if the length of that range meets or exceeds {@link #getThreshold} 1311 * and makes sure that the range is not already a Chip. 1312 */ 1313 @Override 1314 protected void performFiltering(CharSequence text, int keyCode) { 1315 boolean isCompletedToken = isCompletedToken(text); 1316 if (enoughToFilter() && !isCompletedToken) { 1317 int end = getSelectionEnd(); 1318 int start = mTokenizer.findTokenStart(text, end); 1319 // If this is a RecipientChip, don't filter 1320 // on its contents. 1321 Spannable span = getSpannable(); 1322 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1323 if (chips != null && chips.length > 0) { 1324 return; 1325 } 1326 } else if (isCompletedToken) { 1327 return; 1328 } 1329 super.performFiltering(text, keyCode); 1330 } 1331 1332 // Visible for testing. 1333 /*package*/ boolean isCompletedToken(CharSequence text) { 1334 if (TextUtils.isEmpty(text)) { 1335 return false; 1336 } 1337 // Check to see if this is a completed token before filtering. 1338 int end = text.length(); 1339 int start = mTokenizer.findTokenStart(text, end); 1340 String token = text.toString().substring(start, end).trim(); 1341 if (!TextUtils.isEmpty(token)) { 1342 char atEnd = token.charAt(token.length() - 1); 1343 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1344 } 1345 return false; 1346 } 1347 1348 private void clearSelectedChip() { 1349 if (mSelectedChip != null) { 1350 unselectChip(mSelectedChip); 1351 mSelectedChip = null; 1352 } 1353 setCursorVisible(true); 1354 } 1355 1356 /** 1357 * Monitor touch events in the RecipientEditTextView. 1358 * If the view does not have focus, any tap on the view 1359 * will just focus the view. If the view has focus, determine 1360 * if the touch target is a recipient chip. If it is and the chip 1361 * is not selected, select it and clear any other selected chips. 1362 * If it isn't, then select that chip. 1363 */ 1364 @Override 1365 public boolean onTouchEvent(MotionEvent event) { 1366 if (!isFocused()) { 1367 // Ignore any chip taps until this view is focused. 1368 return super.onTouchEvent(event); 1369 } 1370 boolean handled = super.onTouchEvent(event); 1371 int action = event.getAction(); 1372 boolean chipWasSelected = false; 1373 if (mSelectedChip == null) { 1374 mGestureDetector.onTouchEvent(event); 1375 } 1376 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1377 float x = event.getX(); 1378 float y = event.getY(); 1379 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1380 RecipientChip currentChip = findChip(offset); 1381 if (currentChip != null) { 1382 if (action == MotionEvent.ACTION_UP) { 1383 if (mSelectedChip != null && mSelectedChip != currentChip) { 1384 clearSelectedChip(); 1385 mSelectedChip = selectChip(currentChip); 1386 } else if (mSelectedChip == null) { 1387 setSelection(getText().length()); 1388 commitDefault(); 1389 mSelectedChip = selectChip(currentChip); 1390 } else { 1391 onClick(mSelectedChip, offset, x, y); 1392 } 1393 } 1394 chipWasSelected = true; 1395 handled = true; 1396 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1397 chipWasSelected = true; 1398 } 1399 } 1400 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1401 clearSelectedChip(); 1402 } 1403 return handled; 1404 } 1405 1406 private void scrollLineIntoView(int line) { 1407 if (mScrollView != null) { 1408 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1409 } 1410 } 1411 1412 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1413 int width, Context context) { 1414 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1415 int bottom; 1416 if (line == getLineCount() -1) { 1417 bottom = 0; 1418 } else { 1419 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1420 - line))); 1421 } 1422 // Align the alternates popup with the left side of the View, 1423 // regardless of the position of the chip tapped. 1424 alternatesPopup.setWidth(width); 1425 alternatesPopup.setAnchorView(this); 1426 alternatesPopup.setVerticalOffset(bottom); 1427 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1428 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1429 // Clear the checked item. 1430 mCheckedItem = -1; 1431 alternatesPopup.show(); 1432 ListView listView = alternatesPopup.getListView(); 1433 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1434 // Checked item would be -1 if the adapter has not 1435 // loaded the view that should be checked yet. The 1436 // variable will be set correctly when onCheckedItemChanged 1437 // is called in a separate thread. 1438 if (mCheckedItem != -1) { 1439 listView.setItemChecked(mCheckedItem, true); 1440 mCheckedItem = -1; 1441 } 1442 } 1443 1444 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1445 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1446 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1447 } 1448 1449 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1450 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1451 .getEntry()); 1452 } 1453 1454 @Override 1455 public void onCheckedItemChanged(int position) { 1456 ListView listView = mAlternatesPopup.getListView(); 1457 if (listView != null && listView.getCheckedItemCount() == 0) { 1458 listView.setItemChecked(position, true); 1459 } 1460 mCheckedItem = position; 1461 } 1462 1463 // TODO: This algorithm will need a lot of tweaking after more people have used 1464 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1465 // what comes before the finger. 1466 private int putOffsetInRange(int o) { 1467 int offset = o; 1468 Editable text = getText(); 1469 int length = text.length(); 1470 // Remove whitespace from end to find "real end" 1471 int realLength = length; 1472 for (int i = length - 1; i >= 0; i--) { 1473 if (text.charAt(i) == ' ') { 1474 realLength--; 1475 } else { 1476 break; 1477 } 1478 } 1479 1480 // If the offset is beyond or at the end of the text, 1481 // leave it alone. 1482 if (offset >= realLength) { 1483 return offset; 1484 } 1485 Editable editable = getText(); 1486 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1487 // Keep walking backward! 1488 offset--; 1489 } 1490 return offset; 1491 } 1492 1493 private int findText(Editable text, int offset) { 1494 if (text.charAt(offset) != ' ') { 1495 return offset; 1496 } 1497 return -1; 1498 } 1499 1500 private RecipientChip findChip(int offset) { 1501 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1502 // Find the chip that contains this offset. 1503 for (int i = 0; i < chips.length; i++) { 1504 RecipientChip chip = chips[i]; 1505 int start = getChipStart(chip); 1506 int end = getChipEnd(chip); 1507 if (offset >= start && offset <= end) { 1508 return chip; 1509 } 1510 } 1511 return null; 1512 } 1513 1514 // Visible for testing. 1515 // Use this method to generate text to add to the list of addresses. 1516 /* package */String createAddressText(RecipientEntry entry) { 1517 String display = entry.getDisplayName(); 1518 String address = entry.getDestination(); 1519 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1520 display = null; 1521 } 1522 String trimmedDisplayText; 1523 if (isPhoneQuery() && isPhoneNumber(address)) { 1524 trimmedDisplayText = address.trim(); 1525 } else { 1526 if (address != null) { 1527 // Tokenize out the address in case the address already 1528 // contained the username as well. 1529 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1530 if (tokenized != null && tokenized.length > 0) { 1531 address = tokenized[0].getAddress(); 1532 } 1533 } 1534 Rfc822Token token = new Rfc822Token(display, address, null); 1535 trimmedDisplayText = token.toString().trim(); 1536 } 1537 int index = trimmedDisplayText.indexOf(","); 1538 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1539 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1540 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1541 } 1542 1543 // Visible for testing. 1544 // Use this method to generate text to display in a chip. 1545 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1546 String display = entry.getDisplayName(); 1547 String address = entry.getDestination(); 1548 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1549 display = null; 1550 } 1551 if (!TextUtils.isEmpty(display)) { 1552 return display; 1553 } else if (!TextUtils.isEmpty(address)){ 1554 return address; 1555 } else { 1556 return new Rfc822Token(display, address, null).toString(); 1557 } 1558 } 1559 1560 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1561 String displayText = createAddressText(entry); 1562 if (TextUtils.isEmpty(displayText)) { 1563 return null; 1564 } 1565 SpannableString chipText = null; 1566 // Always leave a blank space at the end of a chip. 1567 int end = getSelectionEnd(); 1568 int start = mTokenizer.findTokenStart(getText(), end); 1569 int textLength = displayText.length()-1; 1570 chipText = new SpannableString(displayText); 1571 if (!mNoChips) { 1572 try { 1573 RecipientChip chip = constructChipSpan(entry, start, pressed, 1574 false /* leave space for contact icon */); 1575 chipText.setSpan(chip, 0, textLength, 1576 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1577 chip.setOriginalText(chipText.toString()); 1578 } catch (NullPointerException e) { 1579 Log.e(TAG, e.getMessage(), e); 1580 return null; 1581 } 1582 } 1583 return chipText; 1584 } 1585 1586 /** 1587 * When an item in the suggestions list has been clicked, create a chip from the 1588 * contact information of the selected item. 1589 */ 1590 @Override 1591 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1592 submitItemAtPosition(position); 1593 } 1594 1595 private void submitItemAtPosition(int position) { 1596 RecipientEntry entry = createValidatedEntry( 1597 (RecipientEntry)getAdapter().getItem(position)); 1598 if (entry == null) { 1599 return; 1600 } 1601 clearComposingText(); 1602 1603 int end = getSelectionEnd(); 1604 int start = mTokenizer.findTokenStart(getText(), end); 1605 1606 Editable editable = getText(); 1607 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1608 CharSequence chip = createChip(entry, false); 1609 if (chip != null && start >= 0 && end >= 0) { 1610 editable.replace(start, end, chip); 1611 } 1612 sanitizeBetween(); 1613 } 1614 1615 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1616 if (item == null) { 1617 return null; 1618 } 1619 final RecipientEntry entry; 1620 // If the display name and the address are the same, or if this is a 1621 // valid contact, but the destination is invalid, then make this a fake 1622 // recipient that is editable. 1623 String destination = item.getDestination(); 1624 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1625 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1626 destination, item.isValid()); 1627 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1628 && (TextUtils.isEmpty(item.getDisplayName()) 1629 || TextUtils.equals(item.getDisplayName(), destination) 1630 || (mValidator != null && !mValidator.isValid(destination)))) { 1631 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1632 } else { 1633 entry = item; 1634 } 1635 return entry; 1636 } 1637 1638 /** Returns a collection of contact Id for each chip inside this View. */ 1639 /* package */ Collection<Long> getContactIds() { 1640 final Set<Long> result = new HashSet<Long>(); 1641 RecipientChip[] chips = getSortedRecipients(); 1642 if (chips != null) { 1643 for (RecipientChip chip : chips) { 1644 result.add(chip.getContactId()); 1645 } 1646 } 1647 return result; 1648 } 1649 1650 1651 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1652 /* package */ Collection<Long> getDataIds() { 1653 final Set<Long> result = new HashSet<Long>(); 1654 RecipientChip [] chips = getSortedRecipients(); 1655 if (chips != null) { 1656 for (RecipientChip chip : chips) { 1657 result.add(chip.getDataId()); 1658 } 1659 } 1660 return result; 1661 } 1662 1663 // Visible for testing. 1664 /* package */RecipientChip[] getSortedRecipients() { 1665 RecipientChip[] recips = getSpannable() 1666 .getSpans(0, getText().length(), RecipientChip.class); 1667 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1668 .asList(recips)); 1669 final Spannable spannable = getSpannable(); 1670 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1671 1672 @Override 1673 public int compare(RecipientChip first, RecipientChip second) { 1674 int firstStart = spannable.getSpanStart(first); 1675 int secondStart = spannable.getSpanStart(second); 1676 if (firstStart < secondStart) { 1677 return -1; 1678 } else if (firstStart > secondStart) { 1679 return 1; 1680 } else { 1681 return 0; 1682 } 1683 } 1684 }); 1685 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1686 } 1687 1688 @Override 1689 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1690 return false; 1691 } 1692 1693 @Override 1694 public void onDestroyActionMode(ActionMode mode) { 1695 } 1696 1697 @Override 1698 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1699 return false; 1700 } 1701 1702 /** 1703 * No chips are selectable. 1704 */ 1705 @Override 1706 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1707 return false; 1708 } 1709 1710 // Visible for testing. 1711 /* package */ImageSpan getMoreChip() { 1712 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1713 MoreImageSpan.class); 1714 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1715 } 1716 1717 private MoreImageSpan createMoreSpan(int count) { 1718 String moreText = String.format(mMoreItem.getText().toString(), count); 1719 TextPaint morePaint = new TextPaint(getPaint()); 1720 morePaint.setTextSize(mMoreItem.getTextSize()); 1721 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1722 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1723 + mMoreItem.getPaddingRight(); 1724 int height = getLineHeight(); 1725 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1726 Canvas canvas = new Canvas(drawable); 1727 int adjustedHeight = height; 1728 Layout layout = getLayout(); 1729 if (layout != null) { 1730 adjustedHeight -= layout.getLineDescent(0); 1731 } 1732 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1733 1734 Drawable result = new BitmapDrawable(getResources(), drawable); 1735 result.setBounds(0, 0, width, height); 1736 return new MoreImageSpan(result); 1737 } 1738 1739 // Visible for testing. 1740 /*package*/ void createMoreChipPlainText() { 1741 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1742 Editable text = getText(); 1743 int start = 0; 1744 int end = start; 1745 for (int i = 0; i < CHIP_LIMIT; i++) { 1746 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1747 start = end; // move to the next token and get its end. 1748 } 1749 // Now, count total addresses. 1750 start = 0; 1751 int tokenCount = countTokens(text); 1752 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1753 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1754 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1755 text.replace(end, text.length(), chipText); 1756 mMoreChip = moreSpan; 1757 } 1758 1759 // Visible for testing. 1760 /* package */int countTokens(Editable text) { 1761 int tokenCount = 0; 1762 int start = 0; 1763 while (start < text.length()) { 1764 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1765 tokenCount++; 1766 if (start >= text.length()) { 1767 break; 1768 } 1769 } 1770 return tokenCount; 1771 } 1772 1773 /** 1774 * Create the more chip. The more chip is text that replaces any chips that 1775 * do not fit in the pre-defined available space when the 1776 * RecipientEditTextView loses focus. 1777 */ 1778 // Visible for testing. 1779 /* package */ void createMoreChip() { 1780 if (mNoChips) { 1781 createMoreChipPlainText(); 1782 return; 1783 } 1784 1785 if (!mShouldShrink) { 1786 return; 1787 } 1788 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1789 if (tempMore.length > 0) { 1790 getSpannable().removeSpan(tempMore[0]); 1791 } 1792 RecipientChip[] recipients = getSortedRecipients(); 1793 1794 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1795 mMoreChip = null; 1796 return; 1797 } 1798 Spannable spannable = getSpannable(); 1799 int numRecipients = recipients.length; 1800 int overage = numRecipients - CHIP_LIMIT; 1801 MoreImageSpan moreSpan = createMoreSpan(overage); 1802 mRemovedSpans = new ArrayList<RecipientChip>(); 1803 int totalReplaceStart = 0; 1804 int totalReplaceEnd = 0; 1805 Editable text = getText(); 1806 for (int i = numRecipients - overage; i < recipients.length; i++) { 1807 mRemovedSpans.add(recipients[i]); 1808 if (i == numRecipients - overage) { 1809 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1810 } 1811 if (i == recipients.length - 1) { 1812 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1813 } 1814 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1815 int spanStart = spannable.getSpanStart(recipients[i]); 1816 int spanEnd = spannable.getSpanEnd(recipients[i]); 1817 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1818 } 1819 spannable.removeSpan(recipients[i]); 1820 } 1821 if (totalReplaceEnd < text.length()) { 1822 totalReplaceEnd = text.length(); 1823 } 1824 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1825 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1826 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1827 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1828 text.replace(start, end, chipText); 1829 mMoreChip = moreSpan; 1830 // If adding the +more chip goes over the limit, resize accordingly. 1831 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1832 setMaxLines(getLineCount()); 1833 } 1834 } 1835 1836 /** 1837 * Replace the more chip, if it exists, with all of the recipient chips it had 1838 * replaced when the RecipientEditTextView gains focus. 1839 */ 1840 // Visible for testing. 1841 /*package*/ void removeMoreChip() { 1842 if (mMoreChip != null) { 1843 Spannable span = getSpannable(); 1844 span.removeSpan(mMoreChip); 1845 mMoreChip = null; 1846 // Re-add the spans that were removed. 1847 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1848 // Recreate each removed span. 1849 RecipientChip[] recipients = getSortedRecipients(); 1850 // Start the search for tokens after the last currently visible 1851 // chip. 1852 if (recipients == null || recipients.length == 0) { 1853 return; 1854 } 1855 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1856 Editable editable = getText(); 1857 for (RecipientChip chip : mRemovedSpans) { 1858 int chipStart; 1859 int chipEnd; 1860 String token; 1861 // Need to find the location of the chip, again. 1862 token = (String) chip.getOriginalText(); 1863 // As we find the matching recipient for the remove spans, 1864 // reduce the size of the string we need to search. 1865 // That way, if there are duplicates, we always find the correct 1866 // recipient. 1867 chipStart = editable.toString().indexOf(token, end); 1868 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1869 // Only set the span if we found a matching token. 1870 if (chipStart != -1) { 1871 editable.setSpan(chip, chipStart, chipEnd, 1872 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1873 } 1874 } 1875 mRemovedSpans.clear(); 1876 } 1877 } 1878 } 1879 1880 /** 1881 * Show specified chip as selected. If the RecipientChip is just an email address, 1882 * selecting the chip will take the contents of the chip and place it at 1883 * the end of the RecipientEditTextView for inline editing. If the 1884 * RecipientChip is a complete contact, then selecting the chip 1885 * will change the background color of the chip, show the delete icon, 1886 * and a popup window with the address in use highlighted and any other 1887 * alternate addresses for the contact. 1888 * @param currentChip Chip to select. 1889 * @return A RecipientChip in the selected state or null if the chip 1890 * just contained an email address. 1891 */ 1892 private RecipientChip selectChip(RecipientChip currentChip) { 1893 if (shouldShowEditableText(currentChip)) { 1894 CharSequence text = currentChip.getValue(); 1895 Editable editable = getText(); 1896 Spannable spannable = getSpannable(); 1897 int spanStart = spannable.getSpanStart(currentChip); 1898 int spanEnd = spannable.getSpanEnd(currentChip); 1899 spannable.removeSpan(currentChip); 1900 editable.delete(spanStart, spanEnd); 1901 setCursorVisible(true); 1902 setSelection(editable.length()); 1903 editable.append(text); 1904 return constructChipSpan( 1905 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1906 getSelectionStart(), true, false); 1907 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1908 int start = getChipStart(currentChip); 1909 int end = getChipEnd(currentChip); 1910 getSpannable().removeSpan(currentChip); 1911 RecipientChip newChip; 1912 try { 1913 if (mNoChips) { 1914 return null; 1915 } 1916 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1917 } catch (NullPointerException e) { 1918 Log.e(TAG, e.getMessage(), e); 1919 return null; 1920 } 1921 Editable editable = getText(); 1922 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1923 if (start == -1 || end == -1) { 1924 Log.d(TAG, "The chip being selected no longer exists but should."); 1925 } else { 1926 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1927 } 1928 newChip.setSelected(true); 1929 if (shouldShowEditableText(newChip)) { 1930 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1931 } 1932 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1933 setCursorVisible(false); 1934 return newChip; 1935 } else { 1936 int start = getChipStart(currentChip); 1937 int end = getChipEnd(currentChip); 1938 getSpannable().removeSpan(currentChip); 1939 RecipientChip newChip; 1940 try { 1941 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1942 } catch (NullPointerException e) { 1943 Log.e(TAG, e.getMessage(), e); 1944 return null; 1945 } 1946 Editable editable = getText(); 1947 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1948 if (start == -1 || end == -1) { 1949 Log.d(TAG, "The chip being selected no longer exists but should."); 1950 } else { 1951 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1952 } 1953 newChip.setSelected(true); 1954 if (shouldShowEditableText(newChip)) { 1955 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1956 } 1957 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1958 setCursorVisible(false); 1959 return newChip; 1960 } 1961 } 1962 1963 private boolean shouldShowEditableText(RecipientChip currentChip) { 1964 long contactId = currentChip.getContactId(); 1965 return contactId == RecipientEntry.INVALID_CONTACT 1966 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 1967 } 1968 1969 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1970 int width, Context context) { 1971 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1972 int bottom = calculateOffsetFromBottom(line); 1973 // Align the alternates popup with the left side of the View, 1974 // regardless of the position of the chip tapped. 1975 popup.setWidth(width); 1976 popup.setAnchorView(this); 1977 popup.setVerticalOffset(bottom); 1978 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1979 popup.setOnItemClickListener(new OnItemClickListener() { 1980 @Override 1981 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1982 unselectChip(currentChip); 1983 popup.dismiss(); 1984 } 1985 }); 1986 popup.show(); 1987 ListView listView = popup.getListView(); 1988 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1989 listView.setItemChecked(0, true); 1990 } 1991 1992 /** 1993 * Remove selection from this chip. Unselecting a RecipientChip will render 1994 * the chip without a delete icon and with an unfocused background. This is 1995 * called when the RecipientChip no longer has focus. 1996 */ 1997 private void unselectChip(RecipientChip chip) { 1998 int start = getChipStart(chip); 1999 int end = getChipEnd(chip); 2000 Editable editable = getText(); 2001 mSelectedChip = null; 2002 if (start == -1 || end == -1) { 2003 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2004 setSelection(editable.length()); 2005 commitDefault(); 2006 } else { 2007 getSpannable().removeSpan(chip); 2008 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2009 editable.removeSpan(chip); 2010 try { 2011 if (!mNoChips) { 2012 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2013 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2014 } 2015 } catch (NullPointerException e) { 2016 Log.e(TAG, e.getMessage(), e); 2017 } 2018 } 2019 setCursorVisible(true); 2020 setSelection(editable.length()); 2021 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2022 mAlternatesPopup.dismiss(); 2023 } 2024 } 2025 2026 /** 2027 * Return whether a touch event was inside the delete target of 2028 * a selected chip. It is in the delete target if: 2029 * 1) the x and y points of the event are within the 2030 * delete assset. 2031 * 2) the point tapped would have caused a cursor to appear 2032 * right after the selected chip. 2033 * @return boolean 2034 */ 2035 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2036 // Figure out the bounds of this chip and whether or not 2037 // the user clicked in the X portion. 2038 return chip.isSelected() && offset == getChipEnd(chip); 2039 } 2040 2041 /** 2042 * Remove the chip and any text associated with it from the RecipientEditTextView. 2043 */ 2044 // Visible for testing. 2045 /*pacakge*/ void removeChip(RecipientChip chip) { 2046 Spannable spannable = getSpannable(); 2047 int spanStart = spannable.getSpanStart(chip); 2048 int spanEnd = spannable.getSpanEnd(chip); 2049 Editable text = getText(); 2050 int toDelete = spanEnd; 2051 boolean wasSelected = chip == mSelectedChip; 2052 // Clear that there is a selected chip before updating any text. 2053 if (wasSelected) { 2054 mSelectedChip = null; 2055 } 2056 // Always remove trailing spaces when removing a chip. 2057 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2058 toDelete++; 2059 } 2060 spannable.removeSpan(chip); 2061 if (spanStart >= 0 && toDelete > 0) { 2062 text.delete(spanStart, toDelete); 2063 } 2064 if (wasSelected) { 2065 clearSelectedChip(); 2066 } 2067 } 2068 2069 /** 2070 * Replace this currently selected chip with a new chip 2071 * that uses the contact data provided. 2072 */ 2073 // Visible for testing. 2074 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2075 boolean wasSelected = chip == mSelectedChip; 2076 if (wasSelected) { 2077 mSelectedChip = null; 2078 } 2079 int start = getChipStart(chip); 2080 int end = getChipEnd(chip); 2081 getSpannable().removeSpan(chip); 2082 Editable editable = getText(); 2083 CharSequence chipText = createChip(entry, false); 2084 if (chipText != null) { 2085 if (start == -1 || end == -1) { 2086 Log.e(TAG, "The chip to replace does not exist but should."); 2087 editable.insert(0, chipText); 2088 } else { 2089 if (!TextUtils.isEmpty(chipText)) { 2090 // There may be a space to replace with this chip's new 2091 // associated space. Check for it 2092 int toReplace = end; 2093 while (toReplace >= 0 && toReplace < editable.length() 2094 && editable.charAt(toReplace) == ' ') { 2095 toReplace++; 2096 } 2097 editable.replace(start, toReplace, chipText); 2098 } 2099 } 2100 } 2101 setCursorVisible(true); 2102 if (wasSelected) { 2103 clearSelectedChip(); 2104 } 2105 } 2106 2107 /** 2108 * Handle click events for a chip. When a selected chip receives a click 2109 * event, see if that event was in the delete icon. If so, delete it. 2110 * Otherwise, unselect the chip. 2111 */ 2112 public void onClick(RecipientChip chip, int offset, float x, float y) { 2113 if (chip.isSelected()) { 2114 if (isInDelete(chip, offset, x, y)) { 2115 removeChip(chip); 2116 } else { 2117 clearSelectedChip(); 2118 } 2119 } 2120 } 2121 2122 private boolean chipsPending() { 2123 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2124 } 2125 2126 @Override 2127 public void removeTextChangedListener(TextWatcher watcher) { 2128 mTextWatcher = null; 2129 super.removeTextChangedListener(watcher); 2130 } 2131 2132 private class RecipientTextWatcher implements TextWatcher { 2133 2134 @Override 2135 public void afterTextChanged(Editable s) { 2136 // If the text has been set to null or empty, make sure we remove 2137 // all the spans we applied. 2138 if (TextUtils.isEmpty(s)) { 2139 // Remove all the chips spans. 2140 Spannable spannable = getSpannable(); 2141 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2142 RecipientChip.class); 2143 for (RecipientChip chip : chips) { 2144 spannable.removeSpan(chip); 2145 } 2146 if (mMoreChip != null) { 2147 spannable.removeSpan(mMoreChip); 2148 } 2149 return; 2150 } 2151 // Get whether there are any recipients pending addition to the 2152 // view. If there are, don't do anything in the text watcher. 2153 if (chipsPending()) { 2154 return; 2155 } 2156 // If the user is editing a chip, don't clear it. 2157 if (mSelectedChip != null) { 2158 if (!isGeneratedContact(mSelectedChip)) { 2159 setCursorVisible(true); 2160 setSelection(getText().length()); 2161 clearSelectedChip(); 2162 } else { 2163 return; 2164 } 2165 } 2166 int length = s.length(); 2167 // Make sure there is content there to parse and that it is 2168 // not just the commit character. 2169 if (length > 1) { 2170 if (lastCharacterIsCommitCharacter(s)) { 2171 commitByCharacter(); 2172 return; 2173 } 2174 char last; 2175 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2176 int len = length() - 1; 2177 if (end != len) { 2178 last = s.charAt(end); 2179 } else { 2180 last = s.charAt(len); 2181 } 2182 if (last == COMMIT_CHAR_SPACE) { 2183 if (!isPhoneQuery()) { 2184 // Check if this is a valid email address. If it is, 2185 // commit it. 2186 String text = getText().toString(); 2187 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2188 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2189 tokenStart)); 2190 if (!TextUtils.isEmpty(sub) && mValidator != null && 2191 mValidator.isValid(sub)) { 2192 commitByCharacter(); 2193 } 2194 } 2195 } 2196 } 2197 } 2198 2199 @Override 2200 public void onTextChanged(CharSequence s, int start, int before, int count) { 2201 // The user deleted some text OR some text was replaced; check to 2202 // see if the insertion point is on a space 2203 // following a chip. 2204 if (before - count == 1) { 2205 // If the item deleted is a space, and the thing before the 2206 // space is a chip, delete the entire span. 2207 int selStart = getSelectionStart(); 2208 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2209 RecipientChip.class); 2210 if (repl.length > 0) { 2211 // There is a chip there! Just remove it. 2212 Editable editable = getText(); 2213 // Add the separator token. 2214 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2215 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2216 tokenEnd = tokenEnd + 1; 2217 if (tokenEnd > editable.length()) { 2218 tokenEnd = editable.length(); 2219 } 2220 editable.delete(tokenStart, tokenEnd); 2221 getSpannable().removeSpan(repl[0]); 2222 } 2223 } else if (count > before) { 2224 if (mSelectedChip != null 2225 && isGeneratedContact(mSelectedChip)) { 2226 if (lastCharacterIsCommitCharacter(s)) { 2227 commitByCharacter(); 2228 return; 2229 } 2230 } 2231 } 2232 } 2233 2234 @Override 2235 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2236 // Do nothing. 2237 } 2238 } 2239 2240 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 2241 super.setAdapter(adapter); 2242 ((BaseRecipientAdapter) adapter) 2243 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 2244 @Override 2245 public void onChanged(List<RecipientEntry> entries) { 2246 if (entries != null && entries.size() > 0) { 2247 scrollBottomIntoView(); 2248 } 2249 } 2250 }); 2251 } 2252 2253 private void scrollBottomIntoView() { 2254 if (mScrollView != null && mShouldShrink) { 2255 int[] location = new int[2]; 2256 getLocationOnScreen(location); 2257 int height = getHeight(); 2258 int currentPos = location[1] + height; 2259 // Desired position shows at least 1 line of chips below the action 2260 // bar. 2261 // We add excess padding to make sure this is always below other 2262 // content. 2263 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 2264 if (currentPos > desiredPos) { 2265 mScrollView.scrollBy(0, currentPos - desiredPos); 2266 } 2267 } 2268 } 2269 2270 private int getExcessTopPadding() { 2271 if (sExcessTopPadding == -1) { 2272 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 2273 } 2274 return sExcessTopPadding; 2275 } 2276 2277 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2278 char last; 2279 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2280 int len = length() - 1; 2281 if (end != len) { 2282 last = s.charAt(end); 2283 } else { 2284 last = s.charAt(len); 2285 } 2286 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2287 } 2288 2289 public boolean isGeneratedContact(RecipientChip chip) { 2290 long contactId = chip.getContactId(); 2291 return contactId == RecipientEntry.INVALID_CONTACT 2292 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2293 } 2294 2295 /** 2296 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2297 */ 2298 private void handlePasteClip(ClipData clip) { 2299 removeTextChangedListener(mTextWatcher); 2300 2301 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2302 for (int i = 0; i < clip.getItemCount(); i++) { 2303 CharSequence paste = clip.getItemAt(i).getText(); 2304 if (paste != null) { 2305 int start = getSelectionStart(); 2306 int end = getSelectionEnd(); 2307 Editable editable = getText(); 2308 if (start >= 0 && end >= 0 && start != end) { 2309 editable.append(paste, start, end); 2310 } else { 2311 editable.insert(end, paste); 2312 } 2313 handlePasteAndReplace(); 2314 } 2315 } 2316 } 2317 2318 mHandler.post(mAddTextWatcher); 2319 } 2320 2321 @Override 2322 public boolean onTextContextMenuItem(int id) { 2323 if (id == android.R.id.paste) { 2324 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2325 Context.CLIPBOARD_SERVICE); 2326 handlePasteClip(clipboard.getPrimaryClip()); 2327 return true; 2328 } 2329 return super.onTextContextMenuItem(id); 2330 } 2331 2332 private void handlePasteAndReplace() { 2333 ArrayList<RecipientChip> created = handlePaste(); 2334 if (created != null && created.size() > 0) { 2335 // Perform reverse lookups on the pasted contacts. 2336 IndividualReplacementTask replace = new IndividualReplacementTask(); 2337 replace.execute(created); 2338 } 2339 } 2340 2341 // Visible for testing. 2342 /* package */ArrayList<RecipientChip> handlePaste() { 2343 String text = getText().toString(); 2344 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2345 String lastAddress = text.substring(originalTokenStart); 2346 int tokenStart = originalTokenStart; 2347 int prevTokenStart = tokenStart; 2348 RecipientChip findChip = null; 2349 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2350 if (tokenStart != 0) { 2351 // There are things before this! 2352 while (tokenStart != 0 && findChip == null) { 2353 prevTokenStart = tokenStart; 2354 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2355 findChip = findChip(tokenStart); 2356 } 2357 if (tokenStart != originalTokenStart) { 2358 if (findChip != null) { 2359 tokenStart = prevTokenStart; 2360 } 2361 int tokenEnd; 2362 RecipientChip createdChip; 2363 while (tokenStart < originalTokenStart) { 2364 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2365 tokenStart)); 2366 commitChip(tokenStart, tokenEnd, getText()); 2367 createdChip = findChip(tokenStart); 2368 if (createdChip == null) { 2369 break; 2370 } 2371 // +1 for the space at the end. 2372 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2373 created.add(createdChip); 2374 } 2375 } 2376 } 2377 // Take a look at the last token. If the token has been completed with a 2378 // commit character, create a chip. 2379 if (isCompletedToken(lastAddress)) { 2380 Editable editable = getText(); 2381 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2382 commitChip(tokenStart, editable.length(), editable); 2383 created.add(findChip(tokenStart)); 2384 } 2385 return created; 2386 } 2387 2388 // Visible for testing. 2389 /* package */int movePastTerminators(int tokenEnd) { 2390 if (tokenEnd >= length()) { 2391 return tokenEnd; 2392 } 2393 char atEnd = getText().toString().charAt(tokenEnd); 2394 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2395 tokenEnd++; 2396 } 2397 // This token had not only an end token character, but also a space 2398 // separating it from the next token. 2399 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2400 tokenEnd++; 2401 } 2402 return tokenEnd; 2403 } 2404 2405 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2406 private RecipientChip createFreeChip(RecipientEntry entry) { 2407 try { 2408 if (mNoChips) { 2409 return null; 2410 } 2411 return constructChipSpan(entry, -1, false, 2412 false /*leave space for contact icon */); 2413 } catch (NullPointerException e) { 2414 Log.e(TAG, e.getMessage(), e); 2415 return null; 2416 } 2417 } 2418 2419 @Override 2420 protected Void doInBackground(Void... params) { 2421 if (mIndividualReplacements != null) { 2422 mIndividualReplacements.cancel(true); 2423 } 2424 // For each chip in the list, look up the matching contact. 2425 // If there is a match, replace that chip with the matching 2426 // chip. 2427 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2428 RecipientChip[] existingChips = getSortedRecipients(); 2429 for (int i = 0; i < existingChips.length; i++) { 2430 originalRecipients.add(existingChips[i]); 2431 } 2432 if (mRemovedSpans != null) { 2433 originalRecipients.addAll(mRemovedSpans); 2434 } 2435 ArrayList<String> addresses = new ArrayList<String>(); 2436 RecipientChip chip; 2437 for (int i = 0; i < originalRecipients.size(); i++) { 2438 chip = originalRecipients.get(i); 2439 if (chip != null) { 2440 addresses.add(createAddressText(chip.getEntry())); 2441 } 2442 } 2443 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2444 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2445 new RecipientMatchCallback() { 2446 2447 @Override 2448 public void matchesFound(HashMap<String, RecipientEntry> entries) { 2449 final ArrayList<RecipientChip> replacements = 2450 new ArrayList<RecipientChip>(); 2451 for (final RecipientChip temp : originalRecipients) { 2452 RecipientEntry entry = null; 2453 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2454 .getContactId()) 2455 && getSpannable().getSpanStart(temp) != -1) { 2456 // Replace this. 2457 entry = createValidatedEntry( 2458 entries.get(tokenizeAddress(temp.getEntry() 2459 .getDestination()))); 2460 } 2461 if (entry != null) { 2462 replacements.add(createFreeChip(entry)); 2463 } else { 2464 replacements.add(null); 2465 } 2466 } 2467 if (replacements != null && replacements.size() > 0) { 2468 mHandler.post(new Runnable() { 2469 @Override 2470 public void run() { 2471 Editable oldText = getText(); 2472 int start, end; 2473 int i = 0; 2474 for (RecipientChip chip : originalRecipients) { 2475 // Find the location of the chip in 2476 // the text currently shown. 2477 start = oldText.getSpanStart(chip); 2478 if (start != -1) { 2479 RecipientChip replacement = replacements.get(i); 2480 if (replacement != null) { 2481 // Replacing the entirety of 2482 // what the chip 2483 // represented, including 2484 // the extra space dividing 2485 // it from other chips. 2486 end = oldText.getSpanEnd(chip) + 1; 2487 oldText.removeSpan(chip); 2488 // Make sure we always have just 1 space at the 2489 // end to separate this chip from the next chip. 2490 SpannableString displayText = 2491 new SpannableString( 2492 createAddressText( 2493 replacement.getEntry()).trim() 2494 + " "); 2495 displayText.setSpan(replacement, 0, 2496 displayText.length() - 1, 2497 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2498 // Replace the old text we 2499 // found with with the new 2500 // display text, which now 2501 // may also contain the 2502 // display name of the 2503 // recipient. 2504 oldText.replace(start, end, displayText); 2505 replacement.setOriginalText(displayText 2506 .toString()); 2507 replacements.set(i, null); 2508 } 2509 } 2510 i++; 2511 } 2512 } 2513 }); 2514 } 2515 } 2516 }); 2517 return null; 2518 } 2519 } 2520 2521 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2522 @SuppressWarnings("unchecked") 2523 @Override 2524 protected Void doInBackground(Object... params) { 2525 // For each chip in the list, look up the matching contact. 2526 // If there is a match, replace that chip with the matching 2527 // chip. 2528 final ArrayList<RecipientChip> originalRecipients = 2529 (ArrayList<RecipientChip>) params[0]; 2530 ArrayList<String> addresses = new ArrayList<String>(); 2531 RecipientChip chip; 2532 for (int i = 0; i < originalRecipients.size(); i++) { 2533 chip = originalRecipients.get(i); 2534 if (chip != null) { 2535 addresses.add(createAddressText(chip.getEntry())); 2536 } 2537 } 2538 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2539 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2540 new RecipientMatchCallback() { 2541 2542 @Override 2543 public void matchesFound(HashMap<String, RecipientEntry> entries) { 2544 for (final RecipientChip temp : originalRecipients) { 2545 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2546 .getContactId()) 2547 && getSpannable().getSpanStart(temp) != -1) { 2548 // Replace this. 2549 RecipientEntry entry = createValidatedEntry(entries 2550 .get(tokenizeAddress(temp.getEntry().getDestination()) 2551 .toLowerCase())); 2552 // If we don't have a validated contact 2553 // match, just use the 2554 // entry as it existed before. 2555 if (entry == null && !isPhoneQuery()) { 2556 entry = temp.getEntry(); 2557 } 2558 final RecipientEntry tempEntry = entry; 2559 if (tempEntry != null) { 2560 mHandler.post(new Runnable() { 2561 @Override 2562 public void run() { 2563 replaceChip(temp, tempEntry); 2564 } 2565 }); 2566 } 2567 } 2568 } 2569 } 2570 2571 }); 2572 return null; 2573 } 2574 } 2575 2576 2577 /** 2578 * MoreImageSpan is a simple class created for tracking the existence of a 2579 * more chip across activity restarts/ 2580 */ 2581 private class MoreImageSpan extends ImageSpan { 2582 public MoreImageSpan(Drawable b) { 2583 super(b); 2584 } 2585 } 2586 2587 @Override 2588 public boolean onDown(MotionEvent e) { 2589 return false; 2590 } 2591 2592 @Override 2593 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2594 // Do nothing. 2595 return false; 2596 } 2597 2598 @Override 2599 public void onLongPress(MotionEvent event) { 2600 if (mSelectedChip != null) { 2601 return; 2602 } 2603 float x = event.getX(); 2604 float y = event.getY(); 2605 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2606 RecipientChip currentChip = findChip(offset); 2607 if (currentChip != null) { 2608 if (mDragEnabled) { 2609 // Start drag-and-drop for the selected chip. 2610 startDrag(currentChip); 2611 } else { 2612 // Copy the selected chip email address. 2613 showCopyDialog(currentChip.getEntry().getDestination()); 2614 } 2615 } 2616 } 2617 2618 /** 2619 * Enables drag-and-drop for chips. 2620 */ 2621 public void enableDrag() { 2622 mDragEnabled = true; 2623 } 2624 2625 /** 2626 * Starts drag-and-drop for the selected chip. 2627 */ 2628 private void startDrag(RecipientChip currentChip) { 2629 String address = currentChip.getEntry().getDestination(); 2630 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2631 2632 // Start drag mode. 2633 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2634 2635 // Remove the current chip, so drag-and-drop will result in a move. 2636 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2637 removeChip(currentChip); 2638 } 2639 2640 /** 2641 * Handles drag event. 2642 */ 2643 @Override 2644 public boolean onDragEvent(DragEvent event) { 2645 switch (event.getAction()) { 2646 case DragEvent.ACTION_DRAG_STARTED: 2647 // Only handle plain text drag and drop. 2648 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2649 case DragEvent.ACTION_DRAG_ENTERED: 2650 requestFocus(); 2651 return true; 2652 case DragEvent.ACTION_DROP: 2653 handlePasteClip(event.getClipData()); 2654 return true; 2655 } 2656 return false; 2657 } 2658 2659 /** 2660 * Drag shadow for a {@link RecipientChip}. 2661 */ 2662 private final class RecipientChipShadow extends DragShadowBuilder { 2663 private final RecipientChip mChip; 2664 2665 public RecipientChipShadow(RecipientChip chip) { 2666 mChip = chip; 2667 } 2668 2669 @Override 2670 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2671 Rect rect = mChip.getBounds(); 2672 shadowSize.set(rect.width(), rect.height()); 2673 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2674 } 2675 2676 @Override 2677 public void onDrawShadow(Canvas canvas) { 2678 mChip.draw(canvas); 2679 } 2680 } 2681 2682 private void showCopyDialog(final String address) { 2683 mCopyAddress = address; 2684 mCopyDialog.setTitle(address); 2685 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2686 mCopyDialog.setCancelable(true); 2687 mCopyDialog.setCanceledOnTouchOutside(true); 2688 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2689 button.setOnClickListener(this); 2690 int btnTitleId; 2691 if (isPhoneQuery()) { 2692 btnTitleId = R.string.copy_number; 2693 } else { 2694 btnTitleId = R.string.copy_email; 2695 } 2696 String buttonTitle = getContext().getResources().getString(btnTitleId); 2697 button.setText(buttonTitle); 2698 mCopyDialog.setOnDismissListener(this); 2699 mCopyDialog.show(); 2700 } 2701 2702 @Override 2703 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2704 // Do nothing. 2705 return false; 2706 } 2707 2708 @Override 2709 public void onShowPress(MotionEvent e) { 2710 // Do nothing. 2711 } 2712 2713 @Override 2714 public boolean onSingleTapUp(MotionEvent e) { 2715 // Do nothing. 2716 return false; 2717 } 2718 2719 @Override 2720 public void onDismiss(DialogInterface dialog) { 2721 mCopyAddress = null; 2722 } 2723 2724 @Override 2725 public void onClick(View v) { 2726 // Copy this to the clipboard. 2727 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2728 Context.CLIPBOARD_SERVICE); 2729 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2730 mCopyDialog.dismiss(); 2731 } 2732 2733 protected boolean isPhoneQuery() { 2734 return getAdapter() != null 2735 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2736 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2737 } 2738} 2739