RecipientEditTextView.java revision 28b51e8a2895b826cff92388728755784331a16e
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_DPAD_CENTER: 1079 if (event.hasNoModifiers()) { 1080 if (commitDefault()) { 1081 return true; 1082 } 1083 if (mSelectedChip != null) { 1084 clearSelectedChip(); 1085 return true; 1086 } else if (focusNext()) { 1087 return true; 1088 } 1089 } 1090 break; 1091 case KeyEvent.KEYCODE_TAB: 1092 if (event.hasNoModifiers()) { 1093 if (mSelectedChip != null) { 1094 clearSelectedChip(); 1095 } else { 1096 commitDefault(); 1097 } 1098 if (focusNext()) { 1099 return true; 1100 } 1101 } 1102 break; 1103 } 1104 return super.onKeyUp(keyCode, event); 1105 } 1106 1107 private boolean focusNext() { 1108 View next = focusSearch(View.FOCUS_DOWN); 1109 if (next != null) { 1110 next.requestFocus(); 1111 return true; 1112 } 1113 return false; 1114 } 1115 1116 /** 1117 * Create a chip from the default selection. If the popup is showing, the 1118 * default is the first item in the popup suggestions list. Otherwise, it is 1119 * whatever the user had typed in. End represents where the the tokenizer 1120 * should search for a token to turn into a chip. 1121 * @return If a chip was created from a real contact. 1122 */ 1123 private boolean commitDefault() { 1124 // If there is no tokenizer, don't try to commit. 1125 if (mTokenizer == null) { 1126 return false; 1127 } 1128 Editable editable = getText(); 1129 int end = getSelectionEnd(); 1130 int start = mTokenizer.findTokenStart(editable, end); 1131 1132 if (shouldCreateChip(start, end)) { 1133 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1134 // In the middle of chip; treat this as an edit 1135 // and commit the whole token. 1136 whatEnd = movePastTerminators(whatEnd); 1137 if (whatEnd != getSelectionEnd()) { 1138 handleEdit(start, whatEnd); 1139 return true; 1140 } 1141 return commitChip(start, end , editable); 1142 } 1143 return false; 1144 } 1145 1146 private void commitByCharacter() { 1147 // We can't possibly commit by character if we can't tokenize. 1148 if (mTokenizer == null) { 1149 return; 1150 } 1151 Editable editable = getText(); 1152 int end = getSelectionEnd(); 1153 int start = mTokenizer.findTokenStart(editable, end); 1154 if (shouldCreateChip(start, end)) { 1155 commitChip(start, end, editable); 1156 } 1157 setSelection(getText().length()); 1158 } 1159 1160 private boolean commitChip(int start, int end, Editable editable) { 1161 ListAdapter adapter = getAdapter(); 1162 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1163 && end == getSelectionEnd() && !isPhoneQuery()) { 1164 // choose the first entry. 1165 submitItemAtPosition(0); 1166 dismissDropDown(); 1167 return true; 1168 } else { 1169 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1170 if (editable.length() > tokenEnd + 1) { 1171 char charAt = editable.charAt(tokenEnd + 1); 1172 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1173 tokenEnd++; 1174 } 1175 } 1176 String text = editable.toString().substring(start, tokenEnd).trim(); 1177 clearComposingText(); 1178 if (text != null && text.length() > 0 && !text.equals(" ")) { 1179 RecipientEntry entry = createTokenizedEntry(text); 1180 if (entry != null) { 1181 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1182 CharSequence chipText = createChip(entry, false); 1183 if (chipText != null && start > -1 && end > -1) { 1184 editable.replace(start, end, chipText); 1185 } 1186 } 1187 // Only dismiss the dropdown if it is related to the text we 1188 // just committed. 1189 // For paste, it may not be as there are possibly multiple 1190 // tokens being added. 1191 if (end == getSelectionEnd()) { 1192 dismissDropDown(); 1193 } 1194 sanitizeBetween(); 1195 return true; 1196 } 1197 } 1198 return false; 1199 } 1200 1201 // Visible for testing. 1202 /* package */ void sanitizeBetween() { 1203 // Don't sanitize while we are waiting for content to chipify. 1204 if (mPendingChipsCount > 0) { 1205 return; 1206 } 1207 // Find the last chip. 1208 RecipientChip[] recips = getSortedRecipients(); 1209 if (recips != null && recips.length > 0) { 1210 RecipientChip last = recips[recips.length - 1]; 1211 RecipientChip beforeLast = null; 1212 if (recips.length > 1) { 1213 beforeLast = recips[recips.length - 2]; 1214 } 1215 int startLooking = 0; 1216 int end = getSpannable().getSpanStart(last); 1217 if (beforeLast != null) { 1218 startLooking = getSpannable().getSpanEnd(beforeLast); 1219 Editable text = getText(); 1220 if (startLooking == -1 || startLooking > text.length() - 1) { 1221 // There is nothing after this chip. 1222 return; 1223 } 1224 if (text.charAt(startLooking) == ' ') { 1225 startLooking++; 1226 } 1227 } 1228 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1229 getText().delete(startLooking, end); 1230 } 1231 } 1232 } 1233 1234 private boolean shouldCreateChip(int start, int end) { 1235 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1236 } 1237 1238 private boolean alreadyHasChip(int start, int end) { 1239 if (mNoChips) { 1240 return true; 1241 } 1242 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1243 if ((chips == null || chips.length == 0)) { 1244 return false; 1245 } 1246 return true; 1247 } 1248 1249 private void handleEdit(int start, int end) { 1250 if (start == -1 || end == -1) { 1251 // This chip no longer exists in the field. 1252 dismissDropDown(); 1253 return; 1254 } 1255 // This is in the middle of a chip, so select out the whole chip 1256 // and commit it. 1257 Editable editable = getText(); 1258 setSelection(end); 1259 String text = getText().toString().substring(start, end); 1260 if (!TextUtils.isEmpty(text)) { 1261 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1262 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1263 CharSequence chipText = createChip(entry, false); 1264 int selEnd = getSelectionEnd(); 1265 if (chipText != null && start > -1 && selEnd > -1) { 1266 editable.replace(start, selEnd, chipText); 1267 } 1268 } 1269 dismissDropDown(); 1270 } 1271 1272 /** 1273 * If there is a selected chip, delegate the key events 1274 * to the selected chip. 1275 */ 1276 @Override 1277 public boolean onKeyDown(int keyCode, KeyEvent event) { 1278 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1279 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1280 mAlternatesPopup.dismiss(); 1281 } 1282 removeChip(mSelectedChip); 1283 } 1284 1285 return super.onKeyDown(keyCode, event); 1286 } 1287 1288 // Visible for testing. 1289 /* package */ Spannable getSpannable() { 1290 return getText(); 1291 } 1292 1293 private int getChipStart(RecipientChip chip) { 1294 return getSpannable().getSpanStart(chip); 1295 } 1296 1297 private int getChipEnd(RecipientChip chip) { 1298 return getSpannable().getSpanEnd(chip); 1299 } 1300 1301 /** 1302 * Instead of filtering on the entire contents of the edit box, 1303 * this subclass method filters on the range from 1304 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1305 * if the length of that range meets or exceeds {@link #getThreshold} 1306 * and makes sure that the range is not already a Chip. 1307 */ 1308 @Override 1309 protected void performFiltering(CharSequence text, int keyCode) { 1310 boolean isCompletedToken = isCompletedToken(text); 1311 if (enoughToFilter() && !isCompletedToken) { 1312 int end = getSelectionEnd(); 1313 int start = mTokenizer.findTokenStart(text, end); 1314 // If this is a RecipientChip, don't filter 1315 // on its contents. 1316 Spannable span = getSpannable(); 1317 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1318 if (chips != null && chips.length > 0) { 1319 return; 1320 } 1321 } else if (isCompletedToken) { 1322 return; 1323 } 1324 super.performFiltering(text, keyCode); 1325 } 1326 1327 // Visible for testing. 1328 /*package*/ boolean isCompletedToken(CharSequence text) { 1329 if (TextUtils.isEmpty(text)) { 1330 return false; 1331 } 1332 // Check to see if this is a completed token before filtering. 1333 int end = text.length(); 1334 int start = mTokenizer.findTokenStart(text, end); 1335 String token = text.toString().substring(start, end).trim(); 1336 if (!TextUtils.isEmpty(token)) { 1337 char atEnd = token.charAt(token.length() - 1); 1338 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1339 } 1340 return false; 1341 } 1342 1343 private void clearSelectedChip() { 1344 if (mSelectedChip != null) { 1345 unselectChip(mSelectedChip); 1346 mSelectedChip = null; 1347 } 1348 setCursorVisible(true); 1349 } 1350 1351 /** 1352 * Monitor touch events in the RecipientEditTextView. 1353 * If the view does not have focus, any tap on the view 1354 * will just focus the view. If the view has focus, determine 1355 * if the touch target is a recipient chip. If it is and the chip 1356 * is not selected, select it and clear any other selected chips. 1357 * If it isn't, then select that chip. 1358 */ 1359 @Override 1360 public boolean onTouchEvent(MotionEvent event) { 1361 if (!isFocused()) { 1362 // Ignore any chip taps until this view is focused. 1363 return super.onTouchEvent(event); 1364 } 1365 boolean handled = super.onTouchEvent(event); 1366 int action = event.getAction(); 1367 boolean chipWasSelected = false; 1368 if (mSelectedChip == null) { 1369 mGestureDetector.onTouchEvent(event); 1370 } 1371 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1372 float x = event.getX(); 1373 float y = event.getY(); 1374 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1375 RecipientChip currentChip = findChip(offset); 1376 if (currentChip != null) { 1377 if (action == MotionEvent.ACTION_UP) { 1378 if (mSelectedChip != null && mSelectedChip != currentChip) { 1379 clearSelectedChip(); 1380 mSelectedChip = selectChip(currentChip); 1381 } else if (mSelectedChip == null) { 1382 setSelection(getText().length()); 1383 commitDefault(); 1384 mSelectedChip = selectChip(currentChip); 1385 } else { 1386 onClick(mSelectedChip, offset, x, y); 1387 } 1388 } 1389 chipWasSelected = true; 1390 handled = true; 1391 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1392 chipWasSelected = true; 1393 } 1394 } 1395 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1396 clearSelectedChip(); 1397 } 1398 return handled; 1399 } 1400 1401 private void scrollLineIntoView(int line) { 1402 if (mScrollView != null) { 1403 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1404 } 1405 } 1406 1407 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1408 int width, Context context) { 1409 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1410 int bottom; 1411 if (line == getLineCount() -1) { 1412 bottom = 0; 1413 } else { 1414 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1415 - line))); 1416 } 1417 // Align the alternates popup with the left side of the View, 1418 // regardless of the position of the chip tapped. 1419 alternatesPopup.setWidth(width); 1420 alternatesPopup.setAnchorView(this); 1421 alternatesPopup.setVerticalOffset(bottom); 1422 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1423 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1424 // Clear the checked item. 1425 mCheckedItem = -1; 1426 alternatesPopup.show(); 1427 ListView listView = alternatesPopup.getListView(); 1428 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1429 // Checked item would be -1 if the adapter has not 1430 // loaded the view that should be checked yet. The 1431 // variable will be set correctly when onCheckedItemChanged 1432 // is called in a separate thread. 1433 if (mCheckedItem != -1) { 1434 listView.setItemChecked(mCheckedItem, true); 1435 mCheckedItem = -1; 1436 } 1437 } 1438 1439 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1440 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1441 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1442 } 1443 1444 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1445 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1446 .getEntry()); 1447 } 1448 1449 @Override 1450 public void onCheckedItemChanged(int position) { 1451 ListView listView = mAlternatesPopup.getListView(); 1452 if (listView != null && listView.getCheckedItemCount() == 0) { 1453 listView.setItemChecked(position, true); 1454 } 1455 mCheckedItem = position; 1456 } 1457 1458 // TODO: This algorithm will need a lot of tweaking after more people have used 1459 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1460 // what comes before the finger. 1461 private int putOffsetInRange(int o) { 1462 int offset = o; 1463 Editable text = getText(); 1464 int length = text.length(); 1465 // Remove whitespace from end to find "real end" 1466 int realLength = length; 1467 for (int i = length - 1; i >= 0; i--) { 1468 if (text.charAt(i) == ' ') { 1469 realLength--; 1470 } else { 1471 break; 1472 } 1473 } 1474 1475 // If the offset is beyond or at the end of the text, 1476 // leave it alone. 1477 if (offset >= realLength) { 1478 return offset; 1479 } 1480 Editable editable = getText(); 1481 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1482 // Keep walking backward! 1483 offset--; 1484 } 1485 return offset; 1486 } 1487 1488 private int findText(Editable text, int offset) { 1489 if (text.charAt(offset) != ' ') { 1490 return offset; 1491 } 1492 return -1; 1493 } 1494 1495 private RecipientChip findChip(int offset) { 1496 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1497 // Find the chip that contains this offset. 1498 for (int i = 0; i < chips.length; i++) { 1499 RecipientChip chip = chips[i]; 1500 int start = getChipStart(chip); 1501 int end = getChipEnd(chip); 1502 if (offset >= start && offset <= end) { 1503 return chip; 1504 } 1505 } 1506 return null; 1507 } 1508 1509 // Visible for testing. 1510 // Use this method to generate text to add to the list of addresses. 1511 /* package */String createAddressText(RecipientEntry entry) { 1512 String display = entry.getDisplayName(); 1513 String address = entry.getDestination(); 1514 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1515 display = null; 1516 } 1517 String trimmedDisplayText; 1518 if (isPhoneQuery() && isPhoneNumber(address)) { 1519 trimmedDisplayText = address.trim(); 1520 } else { 1521 if (address != null) { 1522 // Tokenize out the address in case the address already 1523 // contained the username as well. 1524 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1525 if (tokenized != null && tokenized.length > 0) { 1526 address = tokenized[0].getAddress(); 1527 } 1528 } 1529 Rfc822Token token = new Rfc822Token(display, address, null); 1530 trimmedDisplayText = token.toString().trim(); 1531 } 1532 int index = trimmedDisplayText.indexOf(","); 1533 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1534 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1535 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1536 } 1537 1538 // Visible for testing. 1539 // Use this method to generate text to display in a chip. 1540 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1541 String display = entry.getDisplayName(); 1542 String address = entry.getDestination(); 1543 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1544 display = null; 1545 } 1546 if (!TextUtils.isEmpty(display)) { 1547 return display; 1548 } else if (!TextUtils.isEmpty(address)){ 1549 return address; 1550 } else { 1551 return new Rfc822Token(display, address, null).toString(); 1552 } 1553 } 1554 1555 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1556 String displayText = createAddressText(entry); 1557 if (TextUtils.isEmpty(displayText)) { 1558 return null; 1559 } 1560 SpannableString chipText = null; 1561 // Always leave a blank space at the end of a chip. 1562 int end = getSelectionEnd(); 1563 int start = mTokenizer.findTokenStart(getText(), end); 1564 int textLength = displayText.length()-1; 1565 chipText = new SpannableString(displayText); 1566 if (!mNoChips) { 1567 try { 1568 RecipientChip chip = constructChipSpan(entry, start, pressed, 1569 false /* leave space for contact icon */); 1570 chipText.setSpan(chip, 0, textLength, 1571 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1572 chip.setOriginalText(chipText.toString()); 1573 } catch (NullPointerException e) { 1574 Log.e(TAG, e.getMessage(), e); 1575 return null; 1576 } 1577 } 1578 return chipText; 1579 } 1580 1581 /** 1582 * When an item in the suggestions list has been clicked, create a chip from the 1583 * contact information of the selected item. 1584 */ 1585 @Override 1586 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1587 submitItemAtPosition(position); 1588 } 1589 1590 private void submitItemAtPosition(int position) { 1591 RecipientEntry entry = createValidatedEntry( 1592 (RecipientEntry)getAdapter().getItem(position)); 1593 if (entry == null) { 1594 return; 1595 } 1596 clearComposingText(); 1597 1598 int end = getSelectionEnd(); 1599 int start = mTokenizer.findTokenStart(getText(), end); 1600 1601 Editable editable = getText(); 1602 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1603 CharSequence chip = createChip(entry, false); 1604 if (chip != null && start >= 0 && end >= 0) { 1605 editable.replace(start, end, chip); 1606 } 1607 sanitizeBetween(); 1608 } 1609 1610 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1611 if (item == null) { 1612 return null; 1613 } 1614 final RecipientEntry entry; 1615 // If the display name and the address are the same, or if this is a 1616 // valid contact, but the destination is invalid, then make this a fake 1617 // recipient that is editable. 1618 String destination = item.getDestination(); 1619 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1620 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1621 destination, item.isValid()); 1622 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1623 && (TextUtils.isEmpty(item.getDisplayName()) 1624 || TextUtils.equals(item.getDisplayName(), destination) 1625 || (mValidator != null && !mValidator.isValid(destination)))) { 1626 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1627 } else { 1628 entry = item; 1629 } 1630 return entry; 1631 } 1632 1633 /** Returns a collection of contact Id for each chip inside this View. */ 1634 /* package */ Collection<Long> getContactIds() { 1635 final Set<Long> result = new HashSet<Long>(); 1636 RecipientChip[] chips = getSortedRecipients(); 1637 if (chips != null) { 1638 for (RecipientChip chip : chips) { 1639 result.add(chip.getContactId()); 1640 } 1641 } 1642 return result; 1643 } 1644 1645 1646 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1647 /* package */ Collection<Long> getDataIds() { 1648 final Set<Long> result = new HashSet<Long>(); 1649 RecipientChip [] chips = getSortedRecipients(); 1650 if (chips != null) { 1651 for (RecipientChip chip : chips) { 1652 result.add(chip.getDataId()); 1653 } 1654 } 1655 return result; 1656 } 1657 1658 // Visible for testing. 1659 /* package */RecipientChip[] getSortedRecipients() { 1660 RecipientChip[] recips = getSpannable() 1661 .getSpans(0, getText().length(), RecipientChip.class); 1662 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1663 .asList(recips)); 1664 final Spannable spannable = getSpannable(); 1665 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1666 1667 @Override 1668 public int compare(RecipientChip first, RecipientChip second) { 1669 int firstStart = spannable.getSpanStart(first); 1670 int secondStart = spannable.getSpanStart(second); 1671 if (firstStart < secondStart) { 1672 return -1; 1673 } else if (firstStart > secondStart) { 1674 return 1; 1675 } else { 1676 return 0; 1677 } 1678 } 1679 }); 1680 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1681 } 1682 1683 @Override 1684 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1685 return false; 1686 } 1687 1688 @Override 1689 public void onDestroyActionMode(ActionMode mode) { 1690 } 1691 1692 @Override 1693 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1694 return false; 1695 } 1696 1697 /** 1698 * No chips are selectable. 1699 */ 1700 @Override 1701 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1702 return false; 1703 } 1704 1705 // Visible for testing. 1706 /* package */ImageSpan getMoreChip() { 1707 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1708 MoreImageSpan.class); 1709 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1710 } 1711 1712 private MoreImageSpan createMoreSpan(int count) { 1713 String moreText = String.format(mMoreItem.getText().toString(), count); 1714 TextPaint morePaint = new TextPaint(getPaint()); 1715 morePaint.setTextSize(mMoreItem.getTextSize()); 1716 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1717 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1718 + mMoreItem.getPaddingRight(); 1719 int height = getLineHeight(); 1720 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1721 Canvas canvas = new Canvas(drawable); 1722 int adjustedHeight = height; 1723 Layout layout = getLayout(); 1724 if (layout != null) { 1725 adjustedHeight -= layout.getLineDescent(0); 1726 } 1727 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1728 1729 Drawable result = new BitmapDrawable(getResources(), drawable); 1730 result.setBounds(0, 0, width, height); 1731 return new MoreImageSpan(result); 1732 } 1733 1734 // Visible for testing. 1735 /*package*/ void createMoreChipPlainText() { 1736 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1737 Editable text = getText(); 1738 int start = 0; 1739 int end = start; 1740 for (int i = 0; i < CHIP_LIMIT; i++) { 1741 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1742 start = end; // move to the next token and get its end. 1743 } 1744 // Now, count total addresses. 1745 start = 0; 1746 int tokenCount = countTokens(text); 1747 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1748 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1749 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1750 text.replace(end, text.length(), chipText); 1751 mMoreChip = moreSpan; 1752 } 1753 1754 // Visible for testing. 1755 /* package */int countTokens(Editable text) { 1756 int tokenCount = 0; 1757 int start = 0; 1758 while (start < text.length()) { 1759 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1760 tokenCount++; 1761 if (start >= text.length()) { 1762 break; 1763 } 1764 } 1765 return tokenCount; 1766 } 1767 1768 /** 1769 * Create the more chip. The more chip is text that replaces any chips that 1770 * do not fit in the pre-defined available space when the 1771 * RecipientEditTextView loses focus. 1772 */ 1773 // Visible for testing. 1774 /* package */ void createMoreChip() { 1775 if (mNoChips) { 1776 createMoreChipPlainText(); 1777 return; 1778 } 1779 1780 if (!mShouldShrink) { 1781 return; 1782 } 1783 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1784 if (tempMore.length > 0) { 1785 getSpannable().removeSpan(tempMore[0]); 1786 } 1787 RecipientChip[] recipients = getSortedRecipients(); 1788 1789 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1790 mMoreChip = null; 1791 return; 1792 } 1793 Spannable spannable = getSpannable(); 1794 int numRecipients = recipients.length; 1795 int overage = numRecipients - CHIP_LIMIT; 1796 MoreImageSpan moreSpan = createMoreSpan(overage); 1797 mRemovedSpans = new ArrayList<RecipientChip>(); 1798 int totalReplaceStart = 0; 1799 int totalReplaceEnd = 0; 1800 Editable text = getText(); 1801 for (int i = numRecipients - overage; i < recipients.length; i++) { 1802 mRemovedSpans.add(recipients[i]); 1803 if (i == numRecipients - overage) { 1804 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1805 } 1806 if (i == recipients.length - 1) { 1807 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1808 } 1809 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1810 int spanStart = spannable.getSpanStart(recipients[i]); 1811 int spanEnd = spannable.getSpanEnd(recipients[i]); 1812 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1813 } 1814 spannable.removeSpan(recipients[i]); 1815 } 1816 if (totalReplaceEnd < text.length()) { 1817 totalReplaceEnd = text.length(); 1818 } 1819 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1820 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1821 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1822 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1823 text.replace(start, end, chipText); 1824 mMoreChip = moreSpan; 1825 // If adding the +more chip goes over the limit, resize accordingly. 1826 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1827 setMaxLines(getLineCount()); 1828 } 1829 } 1830 1831 /** 1832 * Replace the more chip, if it exists, with all of the recipient chips it had 1833 * replaced when the RecipientEditTextView gains focus. 1834 */ 1835 // Visible for testing. 1836 /*package*/ void removeMoreChip() { 1837 if (mMoreChip != null) { 1838 Spannable span = getSpannable(); 1839 span.removeSpan(mMoreChip); 1840 mMoreChip = null; 1841 // Re-add the spans that were removed. 1842 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1843 // Recreate each removed span. 1844 RecipientChip[] recipients = getSortedRecipients(); 1845 // Start the search for tokens after the last currently visible 1846 // chip. 1847 if (recipients == null || recipients.length == 0) { 1848 return; 1849 } 1850 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1851 Editable editable = getText(); 1852 for (RecipientChip chip : mRemovedSpans) { 1853 int chipStart; 1854 int chipEnd; 1855 String token; 1856 // Need to find the location of the chip, again. 1857 token = (String) chip.getOriginalText(); 1858 // As we find the matching recipient for the remove spans, 1859 // reduce the size of the string we need to search. 1860 // That way, if there are duplicates, we always find the correct 1861 // recipient. 1862 chipStart = editable.toString().indexOf(token, end); 1863 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1864 // Only set the span if we found a matching token. 1865 if (chipStart != -1) { 1866 editable.setSpan(chip, chipStart, chipEnd, 1867 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1868 } 1869 } 1870 mRemovedSpans.clear(); 1871 } 1872 } 1873 } 1874 1875 /** 1876 * Show specified chip as selected. If the RecipientChip is just an email address, 1877 * selecting the chip will take the contents of the chip and place it at 1878 * the end of the RecipientEditTextView for inline editing. If the 1879 * RecipientChip is a complete contact, then selecting the chip 1880 * will change the background color of the chip, show the delete icon, 1881 * and a popup window with the address in use highlighted and any other 1882 * alternate addresses for the contact. 1883 * @param currentChip Chip to select. 1884 * @return A RecipientChip in the selected state or null if the chip 1885 * just contained an email address. 1886 */ 1887 private RecipientChip selectChip(RecipientChip currentChip) { 1888 if (shouldShowEditableText(currentChip)) { 1889 CharSequence text = currentChip.getValue(); 1890 Editable editable = getText(); 1891 Spannable spannable = getSpannable(); 1892 int spanStart = spannable.getSpanStart(currentChip); 1893 int spanEnd = spannable.getSpanEnd(currentChip); 1894 spannable.removeSpan(currentChip); 1895 editable.delete(spanStart, spanEnd); 1896 setCursorVisible(true); 1897 setSelection(editable.length()); 1898 editable.append(text); 1899 return constructChipSpan( 1900 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1901 getSelectionStart(), true, false); 1902 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1903 int start = getChipStart(currentChip); 1904 int end = getChipEnd(currentChip); 1905 getSpannable().removeSpan(currentChip); 1906 RecipientChip newChip; 1907 try { 1908 if (mNoChips) { 1909 return null; 1910 } 1911 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1912 } catch (NullPointerException e) { 1913 Log.e(TAG, e.getMessage(), e); 1914 return null; 1915 } 1916 Editable editable = getText(); 1917 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1918 if (start == -1 || end == -1) { 1919 Log.d(TAG, "The chip being selected no longer exists but should."); 1920 } else { 1921 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1922 } 1923 newChip.setSelected(true); 1924 if (shouldShowEditableText(newChip)) { 1925 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1926 } 1927 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1928 setCursorVisible(false); 1929 return newChip; 1930 } else { 1931 int start = getChipStart(currentChip); 1932 int end = getChipEnd(currentChip); 1933 getSpannable().removeSpan(currentChip); 1934 RecipientChip newChip; 1935 try { 1936 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1937 } catch (NullPointerException e) { 1938 Log.e(TAG, e.getMessage(), e); 1939 return null; 1940 } 1941 Editable editable = getText(); 1942 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1943 if (start == -1 || end == -1) { 1944 Log.d(TAG, "The chip being selected no longer exists but should."); 1945 } else { 1946 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1947 } 1948 newChip.setSelected(true); 1949 if (shouldShowEditableText(newChip)) { 1950 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1951 } 1952 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1953 setCursorVisible(false); 1954 return newChip; 1955 } 1956 } 1957 1958 private boolean shouldShowEditableText(RecipientChip currentChip) { 1959 long contactId = currentChip.getContactId(); 1960 return contactId == RecipientEntry.INVALID_CONTACT 1961 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 1962 } 1963 1964 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1965 int width, Context context) { 1966 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1967 int bottom = calculateOffsetFromBottom(line); 1968 // Align the alternates popup with the left side of the View, 1969 // regardless of the position of the chip tapped. 1970 popup.setWidth(width); 1971 popup.setAnchorView(this); 1972 popup.setVerticalOffset(bottom); 1973 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1974 popup.setOnItemClickListener(new OnItemClickListener() { 1975 @Override 1976 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1977 unselectChip(currentChip); 1978 popup.dismiss(); 1979 } 1980 }); 1981 popup.show(); 1982 ListView listView = popup.getListView(); 1983 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1984 listView.setItemChecked(0, true); 1985 } 1986 1987 /** 1988 * Remove selection from this chip. Unselecting a RecipientChip will render 1989 * the chip without a delete icon and with an unfocused background. This is 1990 * called when the RecipientChip no longer has focus. 1991 */ 1992 private void unselectChip(RecipientChip chip) { 1993 int start = getChipStart(chip); 1994 int end = getChipEnd(chip); 1995 Editable editable = getText(); 1996 mSelectedChip = null; 1997 if (start == -1 || end == -1) { 1998 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1999 setSelection(editable.length()); 2000 commitDefault(); 2001 } else { 2002 getSpannable().removeSpan(chip); 2003 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2004 editable.removeSpan(chip); 2005 try { 2006 if (!mNoChips) { 2007 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2008 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2009 } 2010 } catch (NullPointerException e) { 2011 Log.e(TAG, e.getMessage(), e); 2012 } 2013 } 2014 setCursorVisible(true); 2015 setSelection(editable.length()); 2016 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2017 mAlternatesPopup.dismiss(); 2018 } 2019 } 2020 2021 /** 2022 * Return whether a touch event was inside the delete target of 2023 * a selected chip. It is in the delete target if: 2024 * 1) the x and y points of the event are within the 2025 * delete assset. 2026 * 2) the point tapped would have caused a cursor to appear 2027 * right after the selected chip. 2028 * @return boolean 2029 */ 2030 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2031 // Figure out the bounds of this chip and whether or not 2032 // the user clicked in the X portion. 2033 return chip.isSelected() && offset == getChipEnd(chip); 2034 } 2035 2036 /** 2037 * Remove the chip and any text associated with it from the RecipientEditTextView. 2038 */ 2039 // Visible for testing. 2040 /*pacakge*/ void removeChip(RecipientChip chip) { 2041 Spannable spannable = getSpannable(); 2042 int spanStart = spannable.getSpanStart(chip); 2043 int spanEnd = spannable.getSpanEnd(chip); 2044 Editable text = getText(); 2045 int toDelete = spanEnd; 2046 boolean wasSelected = chip == mSelectedChip; 2047 // Clear that there is a selected chip before updating any text. 2048 if (wasSelected) { 2049 mSelectedChip = null; 2050 } 2051 // Always remove trailing spaces when removing a chip. 2052 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2053 toDelete++; 2054 } 2055 spannable.removeSpan(chip); 2056 if (spanStart >= 0 && toDelete > 0) { 2057 text.delete(spanStart, toDelete); 2058 } 2059 if (wasSelected) { 2060 clearSelectedChip(); 2061 } 2062 } 2063 2064 /** 2065 * Replace this currently selected chip with a new chip 2066 * that uses the contact data provided. 2067 */ 2068 // Visible for testing. 2069 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2070 boolean wasSelected = chip == mSelectedChip; 2071 if (wasSelected) { 2072 mSelectedChip = null; 2073 } 2074 int start = getChipStart(chip); 2075 int end = getChipEnd(chip); 2076 getSpannable().removeSpan(chip); 2077 Editable editable = getText(); 2078 CharSequence chipText = createChip(entry, false); 2079 if (chipText != null) { 2080 if (start == -1 || end == -1) { 2081 Log.e(TAG, "The chip to replace does not exist but should."); 2082 editable.insert(0, chipText); 2083 } else { 2084 if (!TextUtils.isEmpty(chipText)) { 2085 // There may be a space to replace with this chip's new 2086 // associated space. Check for it 2087 int toReplace = end; 2088 while (toReplace >= 0 && toReplace < editable.length() 2089 && editable.charAt(toReplace) == ' ') { 2090 toReplace++; 2091 } 2092 editable.replace(start, toReplace, chipText); 2093 } 2094 } 2095 } 2096 setCursorVisible(true); 2097 if (wasSelected) { 2098 clearSelectedChip(); 2099 } 2100 } 2101 2102 /** 2103 * Handle click events for a chip. When a selected chip receives a click 2104 * event, see if that event was in the delete icon. If so, delete it. 2105 * Otherwise, unselect the chip. 2106 */ 2107 public void onClick(RecipientChip chip, int offset, float x, float y) { 2108 if (chip.isSelected()) { 2109 if (isInDelete(chip, offset, x, y)) { 2110 removeChip(chip); 2111 } else { 2112 clearSelectedChip(); 2113 } 2114 } 2115 } 2116 2117 private boolean chipsPending() { 2118 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2119 } 2120 2121 @Override 2122 public void removeTextChangedListener(TextWatcher watcher) { 2123 mTextWatcher = null; 2124 super.removeTextChangedListener(watcher); 2125 } 2126 2127 private class RecipientTextWatcher implements TextWatcher { 2128 2129 @Override 2130 public void afterTextChanged(Editable s) { 2131 // If the text has been set to null or empty, make sure we remove 2132 // all the spans we applied. 2133 if (TextUtils.isEmpty(s)) { 2134 // Remove all the chips spans. 2135 Spannable spannable = getSpannable(); 2136 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2137 RecipientChip.class); 2138 for (RecipientChip chip : chips) { 2139 spannable.removeSpan(chip); 2140 } 2141 if (mMoreChip != null) { 2142 spannable.removeSpan(mMoreChip); 2143 } 2144 return; 2145 } 2146 // Get whether there are any recipients pending addition to the 2147 // view. If there are, don't do anything in the text watcher. 2148 if (chipsPending()) { 2149 return; 2150 } 2151 // If the user is editing a chip, don't clear it. 2152 if (mSelectedChip != null) { 2153 if (!isGeneratedContact(mSelectedChip)) { 2154 setCursorVisible(true); 2155 setSelection(getText().length()); 2156 clearSelectedChip(); 2157 } else { 2158 return; 2159 } 2160 } 2161 int length = s.length(); 2162 // Make sure there is content there to parse and that it is 2163 // not just the commit character. 2164 if (length > 1) { 2165 if (lastCharacterIsCommitCharacter(s)) { 2166 commitByCharacter(); 2167 return; 2168 } 2169 char last; 2170 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2171 int len = length() - 1; 2172 if (end != len) { 2173 last = s.charAt(end); 2174 } else { 2175 last = s.charAt(len); 2176 } 2177 if (last == COMMIT_CHAR_SPACE) { 2178 if (!isPhoneQuery()) { 2179 // Check if this is a valid email address. If it is, 2180 // commit it. 2181 String text = getText().toString(); 2182 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2183 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2184 tokenStart)); 2185 if (!TextUtils.isEmpty(sub) && mValidator != null && 2186 mValidator.isValid(sub)) { 2187 commitByCharacter(); 2188 } 2189 } 2190 } 2191 } 2192 } 2193 2194 @Override 2195 public void onTextChanged(CharSequence s, int start, int before, int count) { 2196 // The user deleted some text OR some text was replaced; check to 2197 // see if the insertion point is on a space 2198 // following a chip. 2199 if (before - count == 1) { 2200 // If the item deleted is a space, and the thing before the 2201 // space is a chip, delete the entire span. 2202 int selStart = getSelectionStart(); 2203 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2204 RecipientChip.class); 2205 if (repl.length > 0) { 2206 // There is a chip there! Just remove it. 2207 Editable editable = getText(); 2208 // Add the separator token. 2209 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2210 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2211 tokenEnd = tokenEnd + 1; 2212 if (tokenEnd > editable.length()) { 2213 tokenEnd = editable.length(); 2214 } 2215 editable.delete(tokenStart, tokenEnd); 2216 getSpannable().removeSpan(repl[0]); 2217 } 2218 } else if (count > before) { 2219 if (mSelectedChip != null 2220 && isGeneratedContact(mSelectedChip)) { 2221 if (lastCharacterIsCommitCharacter(s)) { 2222 commitByCharacter(); 2223 return; 2224 } 2225 } 2226 } 2227 } 2228 2229 @Override 2230 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2231 // Do nothing. 2232 } 2233 } 2234 2235 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 2236 super.setAdapter(adapter); 2237 ((BaseRecipientAdapter) adapter) 2238 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 2239 @Override 2240 public void onChanged(List<RecipientEntry> entries) { 2241 if (entries != null && entries.size() > 0) { 2242 scrollBottomIntoView(); 2243 } 2244 } 2245 }); 2246 } 2247 2248 private void scrollBottomIntoView() { 2249 if (mScrollView != null && mShouldShrink) { 2250 int[] location = new int[2]; 2251 getLocationOnScreen(location); 2252 int height = getHeight(); 2253 int currentPos = location[1] + height; 2254 // Desired position shows at least 1 line of chips below the action 2255 // bar. 2256 // We add excess padding to make sure this is always below other 2257 // content. 2258 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 2259 if (currentPos > desiredPos) { 2260 mScrollView.scrollBy(0, currentPos - desiredPos); 2261 } 2262 } 2263 } 2264 2265 private int getExcessTopPadding() { 2266 if (sExcessTopPadding == -1) { 2267 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 2268 } 2269 return sExcessTopPadding; 2270 } 2271 2272 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2273 char last; 2274 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2275 int len = length() - 1; 2276 if (end != len) { 2277 last = s.charAt(end); 2278 } else { 2279 last = s.charAt(len); 2280 } 2281 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2282 } 2283 2284 public boolean isGeneratedContact(RecipientChip chip) { 2285 long contactId = chip.getContactId(); 2286 return contactId == RecipientEntry.INVALID_CONTACT 2287 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2288 } 2289 2290 /** 2291 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2292 */ 2293 private void handlePasteClip(ClipData clip) { 2294 removeTextChangedListener(mTextWatcher); 2295 2296 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2297 for (int i = 0; i < clip.getItemCount(); i++) { 2298 CharSequence paste = clip.getItemAt(i).getText(); 2299 if (paste != null) { 2300 int start = getSelectionStart(); 2301 int end = getSelectionEnd(); 2302 Editable editable = getText(); 2303 if (start >= 0 && end >= 0 && start != end) { 2304 editable.append(paste, start, end); 2305 } else { 2306 editable.insert(end, paste); 2307 } 2308 handlePasteAndReplace(); 2309 } 2310 } 2311 } 2312 2313 mHandler.post(mAddTextWatcher); 2314 } 2315 2316 @Override 2317 public boolean onTextContextMenuItem(int id) { 2318 if (id == android.R.id.paste) { 2319 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2320 Context.CLIPBOARD_SERVICE); 2321 handlePasteClip(clipboard.getPrimaryClip()); 2322 return true; 2323 } 2324 return super.onTextContextMenuItem(id); 2325 } 2326 2327 private void handlePasteAndReplace() { 2328 ArrayList<RecipientChip> created = handlePaste(); 2329 if (created != null && created.size() > 0) { 2330 // Perform reverse lookups on the pasted contacts. 2331 IndividualReplacementTask replace = new IndividualReplacementTask(); 2332 replace.execute(created); 2333 } 2334 } 2335 2336 // Visible for testing. 2337 /* package */ArrayList<RecipientChip> handlePaste() { 2338 String text = getText().toString(); 2339 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2340 String lastAddress = text.substring(originalTokenStart); 2341 int tokenStart = originalTokenStart; 2342 int prevTokenStart = tokenStart; 2343 RecipientChip findChip = null; 2344 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2345 if (tokenStart != 0) { 2346 // There are things before this! 2347 while (tokenStart != 0 && findChip == null) { 2348 prevTokenStart = tokenStart; 2349 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2350 findChip = findChip(tokenStart); 2351 } 2352 if (tokenStart != originalTokenStart) { 2353 if (findChip != null) { 2354 tokenStart = prevTokenStart; 2355 } 2356 int tokenEnd; 2357 RecipientChip createdChip; 2358 while (tokenStart < originalTokenStart) { 2359 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2360 tokenStart)); 2361 commitChip(tokenStart, tokenEnd, getText()); 2362 createdChip = findChip(tokenStart); 2363 if (createdChip == null) { 2364 break; 2365 } 2366 // +1 for the space at the end. 2367 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2368 created.add(createdChip); 2369 } 2370 } 2371 } 2372 // Take a look at the last token. If the token has been completed with a 2373 // commit character, create a chip. 2374 if (isCompletedToken(lastAddress)) { 2375 Editable editable = getText(); 2376 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2377 commitChip(tokenStart, editable.length(), editable); 2378 created.add(findChip(tokenStart)); 2379 } 2380 return created; 2381 } 2382 2383 // Visible for testing. 2384 /* package */int movePastTerminators(int tokenEnd) { 2385 if (tokenEnd >= length()) { 2386 return tokenEnd; 2387 } 2388 char atEnd = getText().toString().charAt(tokenEnd); 2389 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2390 tokenEnd++; 2391 } 2392 // This token had not only an end token character, but also a space 2393 // separating it from the next token. 2394 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2395 tokenEnd++; 2396 } 2397 return tokenEnd; 2398 } 2399 2400 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2401 private RecipientChip createFreeChip(RecipientEntry entry) { 2402 try { 2403 if (mNoChips) { 2404 return null; 2405 } 2406 return constructChipSpan(entry, -1, false, 2407 false /*leave space for contact icon */); 2408 } catch (NullPointerException e) { 2409 Log.e(TAG, e.getMessage(), e); 2410 return null; 2411 } 2412 } 2413 2414 @Override 2415 protected Void doInBackground(Void... params) { 2416 if (mIndividualReplacements != null) { 2417 mIndividualReplacements.cancel(true); 2418 } 2419 // For each chip in the list, look up the matching contact. 2420 // If there is a match, replace that chip with the matching 2421 // chip. 2422 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2423 RecipientChip[] existingChips = getSortedRecipients(); 2424 for (int i = 0; i < existingChips.length; i++) { 2425 originalRecipients.add(existingChips[i]); 2426 } 2427 if (mRemovedSpans != null) { 2428 originalRecipients.addAll(mRemovedSpans); 2429 } 2430 ArrayList<String> addresses = new ArrayList<String>(); 2431 RecipientChip chip; 2432 for (int i = 0; i < originalRecipients.size(); i++) { 2433 chip = originalRecipients.get(i); 2434 if (chip != null) { 2435 addresses.add(createAddressText(chip.getEntry())); 2436 } 2437 } 2438 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2439 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2440 new RecipientMatchCallback() { 2441 2442 @Override 2443 public void matchesFound(HashMap<String, RecipientEntry> entries) { 2444 final ArrayList<RecipientChip> replacements = 2445 new ArrayList<RecipientChip>(); 2446 for (final RecipientChip temp : originalRecipients) { 2447 RecipientEntry entry = null; 2448 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2449 .getContactId()) 2450 && getSpannable().getSpanStart(temp) != -1) { 2451 // Replace this. 2452 entry = createValidatedEntry( 2453 entries.get(tokenizeAddress(temp.getEntry() 2454 .getDestination()))); 2455 } 2456 if (entry != null) { 2457 replacements.add(createFreeChip(entry)); 2458 } else { 2459 replacements.add(null); 2460 } 2461 } 2462 if (replacements != null && replacements.size() > 0) { 2463 mHandler.post(new Runnable() { 2464 @Override 2465 public void run() { 2466 Editable oldText = getText(); 2467 int start, end; 2468 int i = 0; 2469 for (RecipientChip chip : originalRecipients) { 2470 // Find the location of the chip in 2471 // the text currently shown. 2472 start = oldText.getSpanStart(chip); 2473 if (start != -1) { 2474 RecipientChip replacement = replacements.get(i); 2475 if (replacement != null) { 2476 // Replacing the entirety of 2477 // what the chip 2478 // represented, including 2479 // the extra space dividing 2480 // it from other chips. 2481 end = oldText.getSpanEnd(chip) + 1; 2482 oldText.removeSpan(chip); 2483 // Make sure we always have just 1 space at the 2484 // end to separate this chip from the next chip. 2485 SpannableString displayText = 2486 new SpannableString( 2487 createAddressText( 2488 replacement.getEntry()).trim() 2489 + " "); 2490 displayText.setSpan(replacement, 0, 2491 displayText.length() - 1, 2492 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2493 // Replace the old text we 2494 // found with with the new 2495 // display text, which now 2496 // may also contain the 2497 // display name of the 2498 // recipient. 2499 oldText.replace(start, end, displayText); 2500 replacement.setOriginalText(displayText 2501 .toString()); 2502 replacements.set(i, null); 2503 } 2504 } 2505 i++; 2506 } 2507 } 2508 }); 2509 } 2510 } 2511 }); 2512 return null; 2513 } 2514 } 2515 2516 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2517 @SuppressWarnings("unchecked") 2518 @Override 2519 protected Void doInBackground(Object... params) { 2520 // For each chip in the list, look up the matching contact. 2521 // If there is a match, replace that chip with the matching 2522 // chip. 2523 final ArrayList<RecipientChip> originalRecipients = 2524 (ArrayList<RecipientChip>) params[0]; 2525 ArrayList<String> addresses = new ArrayList<String>(); 2526 RecipientChip chip; 2527 for (int i = 0; i < originalRecipients.size(); i++) { 2528 chip = originalRecipients.get(i); 2529 if (chip != null) { 2530 addresses.add(createAddressText(chip.getEntry())); 2531 } 2532 } 2533 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2534 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2535 new RecipientMatchCallback() { 2536 2537 @Override 2538 public void matchesFound(HashMap<String, RecipientEntry> entries) { 2539 for (final RecipientChip temp : originalRecipients) { 2540 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2541 .getContactId()) 2542 && getSpannable().getSpanStart(temp) != -1) { 2543 // Replace this. 2544 RecipientEntry entry = createValidatedEntry(entries 2545 .get(tokenizeAddress(temp.getEntry().getDestination()) 2546 .toLowerCase())); 2547 // If we don't have a validated contact 2548 // match, just use the 2549 // entry as it existed before. 2550 if (entry == null && !isPhoneQuery()) { 2551 entry = temp.getEntry(); 2552 } 2553 final RecipientEntry tempEntry = entry; 2554 if (tempEntry != null) { 2555 mHandler.post(new Runnable() { 2556 @Override 2557 public void run() { 2558 replaceChip(temp, tempEntry); 2559 } 2560 }); 2561 } 2562 } 2563 } 2564 } 2565 2566 }); 2567 return null; 2568 } 2569 } 2570 2571 2572 /** 2573 * MoreImageSpan is a simple class created for tracking the existence of a 2574 * more chip across activity restarts/ 2575 */ 2576 private class MoreImageSpan extends ImageSpan { 2577 public MoreImageSpan(Drawable b) { 2578 super(b); 2579 } 2580 } 2581 2582 @Override 2583 public boolean onDown(MotionEvent e) { 2584 return false; 2585 } 2586 2587 @Override 2588 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2589 // Do nothing. 2590 return false; 2591 } 2592 2593 @Override 2594 public void onLongPress(MotionEvent event) { 2595 if (mSelectedChip != null) { 2596 return; 2597 } 2598 float x = event.getX(); 2599 float y = event.getY(); 2600 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2601 RecipientChip currentChip = findChip(offset); 2602 if (currentChip != null) { 2603 if (mDragEnabled) { 2604 // Start drag-and-drop for the selected chip. 2605 startDrag(currentChip); 2606 } else { 2607 // Copy the selected chip email address. 2608 showCopyDialog(currentChip.getEntry().getDestination()); 2609 } 2610 } 2611 } 2612 2613 /** 2614 * Enables drag-and-drop for chips. 2615 */ 2616 public void enableDrag() { 2617 mDragEnabled = true; 2618 } 2619 2620 /** 2621 * Starts drag-and-drop for the selected chip. 2622 */ 2623 private void startDrag(RecipientChip currentChip) { 2624 String address = currentChip.getEntry().getDestination(); 2625 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2626 2627 // Start drag mode. 2628 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2629 2630 // Remove the current chip, so drag-and-drop will result in a move. 2631 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2632 removeChip(currentChip); 2633 } 2634 2635 /** 2636 * Handles drag event. 2637 */ 2638 @Override 2639 public boolean onDragEvent(DragEvent event) { 2640 switch (event.getAction()) { 2641 case DragEvent.ACTION_DRAG_STARTED: 2642 // Only handle plain text drag and drop. 2643 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2644 case DragEvent.ACTION_DRAG_ENTERED: 2645 requestFocus(); 2646 return true; 2647 case DragEvent.ACTION_DROP: 2648 handlePasteClip(event.getClipData()); 2649 return true; 2650 } 2651 return false; 2652 } 2653 2654 /** 2655 * Drag shadow for a {@link RecipientChip}. 2656 */ 2657 private final class RecipientChipShadow extends DragShadowBuilder { 2658 private final RecipientChip mChip; 2659 2660 public RecipientChipShadow(RecipientChip chip) { 2661 mChip = chip; 2662 } 2663 2664 @Override 2665 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2666 Rect rect = mChip.getBounds(); 2667 shadowSize.set(rect.width(), rect.height()); 2668 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2669 } 2670 2671 @Override 2672 public void onDrawShadow(Canvas canvas) { 2673 mChip.draw(canvas); 2674 } 2675 } 2676 2677 private void showCopyDialog(final String address) { 2678 mCopyAddress = address; 2679 mCopyDialog.setTitle(address); 2680 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2681 mCopyDialog.setCancelable(true); 2682 mCopyDialog.setCanceledOnTouchOutside(true); 2683 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2684 button.setOnClickListener(this); 2685 int btnTitleId; 2686 if (isPhoneQuery()) { 2687 btnTitleId = R.string.copy_number; 2688 } else { 2689 btnTitleId = R.string.copy_email; 2690 } 2691 String buttonTitle = getContext().getResources().getString(btnTitleId); 2692 button.setText(buttonTitle); 2693 mCopyDialog.setOnDismissListener(this); 2694 mCopyDialog.show(); 2695 } 2696 2697 @Override 2698 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2699 // Do nothing. 2700 return false; 2701 } 2702 2703 @Override 2704 public void onShowPress(MotionEvent e) { 2705 // Do nothing. 2706 } 2707 2708 @Override 2709 public boolean onSingleTapUp(MotionEvent e) { 2710 // Do nothing. 2711 return false; 2712 } 2713 2714 @Override 2715 public void onDismiss(DialogInterface dialog) { 2716 mCopyAddress = null; 2717 } 2718 2719 @Override 2720 public void onClick(View v) { 2721 // Copy this to the clipboard. 2722 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2723 Context.CLIPBOARD_SERVICE); 2724 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2725 mCopyDialog.dismiss(); 2726 } 2727 2728 protected boolean isPhoneQuery() { 2729 return getAdapter() != null 2730 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2731 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2732 } 2733} 2734