RecipientEditTextView.java revision 8c474ec629cca3cf4bf2c867f37513ae35e3ff72
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 = -1; 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 int tokenEnd = tokenStart + current.length(); 818 if (tokenStart >= 0) { 819 // When we have a valid token, include it with the token 820 // to the left. 821 if (tokenEnd < editable.length() - 2 822 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 823 tokenEnd++; 824 } 825 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 826 || !mShouldShrink); 827 } 828 mPendingChipsCount--; 829 } 830 sanitizeEnd(); 831 } else { 832 mNoChips = true; 833 } 834 835 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 836 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 837 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 838 new RecipientReplacementTask().execute(); 839 mTemporaryRecipients = null; 840 } else { 841 // Create the "more" chip 842 mIndividualReplacements = new IndividualReplacementTask(); 843 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 844 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 845 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 846 mTemporaryRecipients = new ArrayList<RecipientChip>( 847 mTemporaryRecipients.subList(CHIP_LIMIT, 848 mTemporaryRecipients.size())); 849 } else { 850 mTemporaryRecipients = null; 851 } 852 createMoreChip(); 853 } 854 } else { 855 // There are too many recipients to look up, so just fall back 856 // to showing addresses for all of them. 857 mTemporaryRecipients = null; 858 createMoreChip(); 859 } 860 mPendingChipsCount = 0; 861 mPendingChips.clear(); 862 } 863 } 864 865 // Visible for testing. 866 /*package*/ int getViewWidth() { 867 return getWidth(); 868 } 869 870 /** 871 * Remove any characters after the last valid chip. 872 */ 873 // Visible for testing. 874 /*package*/ void sanitizeEnd() { 875 // Don't sanitize while we are waiting for pending chips to complete. 876 if (mPendingChipsCount > 0) { 877 return; 878 } 879 // Find the last chip; eliminate any commit characters after it. 880 RecipientChip[] chips = getSortedRecipients(); 881 Spannable spannable = getSpannable(); 882 if (chips != null && chips.length > 0) { 883 int end; 884 mMoreChip = getMoreChip(); 885 if (mMoreChip != null) { 886 end = spannable.getSpanEnd(mMoreChip); 887 } else { 888 end = getSpannable().getSpanEnd(getLastChip()); 889 } 890 Editable editable = getText(); 891 int length = editable.length(); 892 if (length > end) { 893 // See what characters occur after that and eliminate them. 894 if (Log.isLoggable(TAG, Log.DEBUG)) { 895 Log.d(TAG, "There were extra characters after the last tokenizable entry." 896 + editable); 897 } 898 editable.delete(end + 1, length); 899 } 900 } 901 } 902 903 /** 904 * Create a chip that represents just the email address of a recipient. At some later 905 * point, this chip will be attached to a real contact entry, if one exists. 906 */ 907 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 908 boolean visible) { 909 if (alreadyHasChip(tokenStart, tokenEnd)) { 910 // There is already a chip present at this location. 911 // Don't recreate it. 912 return; 913 } 914 String token = editable.toString().substring(tokenStart, tokenEnd); 915 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 916 if (commitCharIndex == token.length() - 1) { 917 token = token.substring(0, token.length() - 1); 918 } 919 RecipientEntry entry = createTokenizedEntry(token); 920 if (entry != null) { 921 String destText = createAddressText(entry); 922 SpannableString chipText = new SpannableString(destText); 923 RecipientChip chip = null; 924 try { 925 if (!mNoChips) { 926 /* 927 * leave space for the contact icon if this is not just an 928 * email address 929 */ 930 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 931 || TextUtils.equals(entry.getDisplayName(), 932 entry.getDestination()); 933 chip = visible ? 934 constructChipSpan(entry, tokenStart, false, leaveSpace) 935 : new InvisibleRecipientChip(entry, commitCharIndex); 936 } 937 } catch (NullPointerException e) { 938 Log.e(TAG, e.getMessage(), e); 939 } 940 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 941 // Add this chip to the list of entries "to replace" 942 if (chip != null) { 943 if (mTemporaryRecipients == null) { 944 mTemporaryRecipients = new ArrayList<RecipientChip>(); 945 } 946 chip.setOriginalText(chipText.toString()); 947 mTemporaryRecipients.add(chip); 948 } 949 } 950 } 951 952 private static boolean isPhoneNumber(String number) { 953 // TODO: replace this function with libphonenumber's isPossibleNumber (see 954 // PhoneNumberUtil). One complication is that it requires the sender's region which 955 // comes from the CurrentCountryIso. For now, let's just do this simple match. 956 if (TextUtils.isEmpty(number)) { 957 return false; 958 } 959 960 Matcher match = PHONE_PATTERN.matcher(number); 961 return match.matches(); 962 } 963 964 private RecipientEntry createTokenizedEntry(String token) { 965 if (TextUtils.isEmpty(token)) { 966 return null; 967 } 968 if (isPhoneQuery() && isPhoneNumber(token)) { 969 return RecipientEntry.constructFakeEntry(token, true); 970 } 971 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 972 String display = null; 973 boolean isValid = isValid(token); 974 if (isValid && tokens != null && tokens.length > 0) { 975 // If we can get a name from tokenizing, then generate an entry from 976 // this. 977 display = tokens[0].getName(); 978 if (!TextUtils.isEmpty(display)) { 979 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 980 isValid); 981 } else { 982 display = tokens[0].getAddress(); 983 if (!TextUtils.isEmpty(display)) { 984 return RecipientEntry.constructFakeEntry(display, isValid); 985 } 986 } 987 } 988 // Unable to validate the token or to create a valid token from it. 989 // Just create a chip the user can edit. 990 String validatedToken = null; 991 if (mValidator != null && !isValid) { 992 // Try fixing up the entry using the validator. 993 validatedToken = mValidator.fixText(token).toString(); 994 if (!TextUtils.isEmpty(validatedToken)) { 995 if (validatedToken.contains(token)) { 996 // protect against the case of a validator with a null 997 // domain, 998 // which doesn't add a domain to the token 999 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1000 if (tokenized.length > 0) { 1001 validatedToken = tokenized[0].getAddress(); 1002 isValid = true; 1003 } 1004 } else { 1005 // We ran into a case where the token was invalid and 1006 // removed 1007 // by the validator. In this case, just use the original 1008 // token 1009 // and let the user sort out the error chip. 1010 validatedToken = null; 1011 isValid = false; 1012 } 1013 } 1014 } 1015 // Otherwise, fallback to just creating an editable email address chip. 1016 return RecipientEntry.constructFakeEntry( 1017 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1018 } 1019 1020 private boolean isValid(String text) { 1021 return mValidator == null ? true : mValidator.isValid(text); 1022 } 1023 1024 private String tokenizeAddress(String destination) { 1025 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1026 if (tokens != null && tokens.length > 0) { 1027 return tokens[0].getAddress(); 1028 } 1029 return destination; 1030 } 1031 1032 @Override 1033 public void setTokenizer(Tokenizer tokenizer) { 1034 mTokenizer = tokenizer; 1035 super.setTokenizer(mTokenizer); 1036 } 1037 1038 @Override 1039 public void setValidator(Validator validator) { 1040 mValidator = validator; 1041 super.setValidator(validator); 1042 } 1043 1044 /** 1045 * We cannot use the default mechanism for replaceText. Instead, 1046 * we override onItemClickListener so we can get all the associated 1047 * contact information including display text, address, and id. 1048 */ 1049 @Override 1050 protected void replaceText(CharSequence text) { 1051 return; 1052 } 1053 1054 /** 1055 * Dismiss any selected chips when the back key is pressed. 1056 */ 1057 @Override 1058 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1059 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1060 clearSelectedChip(); 1061 return true; 1062 } 1063 return super.onKeyPreIme(keyCode, event); 1064 } 1065 1066 /** 1067 * Monitor key presses in this view to see if the user types 1068 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1069 * If the user has entered text that has contact matches and types 1070 * a commit key, create a chip from the topmost matching contact. 1071 * If the user has entered text that has no contact matches and types 1072 * a commit key, then create a chip from the text they have entered. 1073 */ 1074 @Override 1075 public boolean onKeyUp(int keyCode, KeyEvent event) { 1076 switch (keyCode) { 1077 case KeyEvent.KEYCODE_ENTER: 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 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1286 return true; 1287 } 1288 1289 return super.onKeyDown(keyCode, event); 1290 } 1291 1292 // Visible for testing. 1293 /* package */ Spannable getSpannable() { 1294 return getText(); 1295 } 1296 1297 private int getChipStart(RecipientChip chip) { 1298 return getSpannable().getSpanStart(chip); 1299 } 1300 1301 private int getChipEnd(RecipientChip chip) { 1302 return getSpannable().getSpanEnd(chip); 1303 } 1304 1305 /** 1306 * Instead of filtering on the entire contents of the edit box, 1307 * this subclass method filters on the range from 1308 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1309 * if the length of that range meets or exceeds {@link #getThreshold} 1310 * and makes sure that the range is not already a Chip. 1311 */ 1312 @Override 1313 protected void performFiltering(CharSequence text, int keyCode) { 1314 boolean isCompletedToken = isCompletedToken(text); 1315 if (enoughToFilter() && !isCompletedToken) { 1316 int end = getSelectionEnd(); 1317 int start = mTokenizer.findTokenStart(text, end); 1318 // If this is a RecipientChip, don't filter 1319 // on its contents. 1320 Spannable span = getSpannable(); 1321 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1322 if (chips != null && chips.length > 0) { 1323 return; 1324 } 1325 } else if (isCompletedToken) { 1326 return; 1327 } 1328 super.performFiltering(text, keyCode); 1329 } 1330 1331 // Visible for testing. 1332 /*package*/ boolean isCompletedToken(CharSequence text) { 1333 if (TextUtils.isEmpty(text)) { 1334 return false; 1335 } 1336 // Check to see if this is a completed token before filtering. 1337 int end = text.length(); 1338 int start = mTokenizer.findTokenStart(text, end); 1339 String token = text.toString().substring(start, end).trim(); 1340 if (!TextUtils.isEmpty(token)) { 1341 char atEnd = token.charAt(token.length() - 1); 1342 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1343 } 1344 return false; 1345 } 1346 1347 private void clearSelectedChip() { 1348 if (mSelectedChip != null) { 1349 unselectChip(mSelectedChip); 1350 mSelectedChip = null; 1351 } 1352 setCursorVisible(true); 1353 } 1354 1355 /** 1356 * Monitor touch events in the RecipientEditTextView. 1357 * If the view does not have focus, any tap on the view 1358 * will just focus the view. If the view has focus, determine 1359 * if the touch target is a recipient chip. If it is and the chip 1360 * is not selected, select it and clear any other selected chips. 1361 * If it isn't, then select that chip. 1362 */ 1363 @Override 1364 public boolean onTouchEvent(MotionEvent event) { 1365 if (!isFocused()) { 1366 // Ignore any chip taps until this view is focused. 1367 return super.onTouchEvent(event); 1368 } 1369 boolean handled = super.onTouchEvent(event); 1370 int action = event.getAction(); 1371 boolean chipWasSelected = false; 1372 if (mSelectedChip == null) { 1373 mGestureDetector.onTouchEvent(event); 1374 } 1375 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1376 float x = event.getX(); 1377 float y = event.getY(); 1378 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1379 RecipientChip currentChip = findChip(offset); 1380 if (currentChip != null) { 1381 if (action == MotionEvent.ACTION_UP) { 1382 if (mSelectedChip != null && mSelectedChip != currentChip) { 1383 clearSelectedChip(); 1384 mSelectedChip = selectChip(currentChip); 1385 } else if (mSelectedChip == null) { 1386 setSelection(getText().length()); 1387 commitDefault(); 1388 mSelectedChip = selectChip(currentChip); 1389 } else { 1390 onClick(mSelectedChip, offset, x, y); 1391 } 1392 } 1393 chipWasSelected = true; 1394 handled = true; 1395 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1396 chipWasSelected = true; 1397 } 1398 } 1399 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1400 clearSelectedChip(); 1401 } 1402 return handled; 1403 } 1404 1405 private void scrollLineIntoView(int line) { 1406 if (mScrollView != null) { 1407 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1408 } 1409 } 1410 1411 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1412 int width, Context context) { 1413 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1414 int bottom; 1415 if (line == getLineCount() -1) { 1416 bottom = 0; 1417 } else { 1418 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1419 - line))); 1420 } 1421 // Align the alternates popup with the left side of the View, 1422 // regardless of the position of the chip tapped. 1423 alternatesPopup.setWidth(width); 1424 alternatesPopup.setAnchorView(this); 1425 alternatesPopup.setVerticalOffset(bottom); 1426 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1427 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1428 // Clear the checked item. 1429 mCheckedItem = -1; 1430 alternatesPopup.show(); 1431 ListView listView = alternatesPopup.getListView(); 1432 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1433 // Checked item would be -1 if the adapter has not 1434 // loaded the view that should be checked yet. The 1435 // variable will be set correctly when onCheckedItemChanged 1436 // is called in a separate thread. 1437 if (mCheckedItem != -1) { 1438 listView.setItemChecked(mCheckedItem, true); 1439 mCheckedItem = -1; 1440 } 1441 } 1442 1443 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1444 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1445 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1446 } 1447 1448 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1449 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1450 .getEntry()); 1451 } 1452 1453 @Override 1454 public void onCheckedItemChanged(int position) { 1455 ListView listView = mAlternatesPopup.getListView(); 1456 if (listView != null && listView.getCheckedItemCount() == 0) { 1457 listView.setItemChecked(position, true); 1458 } 1459 mCheckedItem = position; 1460 } 1461 1462 // TODO: This algorithm will need a lot of tweaking after more people have used 1463 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1464 // what comes before the finger. 1465 private int putOffsetInRange(int o) { 1466 int offset = o; 1467 Editable text = getText(); 1468 int length = text.length(); 1469 // Remove whitespace from end to find "real end" 1470 int realLength = length; 1471 for (int i = length - 1; i >= 0; i--) { 1472 if (text.charAt(i) == ' ') { 1473 realLength--; 1474 } else { 1475 break; 1476 } 1477 } 1478 1479 // If the offset is beyond or at the end of the text, 1480 // leave it alone. 1481 if (offset >= realLength) { 1482 return offset; 1483 } 1484 Editable editable = getText(); 1485 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1486 // Keep walking backward! 1487 offset--; 1488 } 1489 return offset; 1490 } 1491 1492 private int findText(Editable text, int offset) { 1493 if (text.charAt(offset) != ' ') { 1494 return offset; 1495 } 1496 return -1; 1497 } 1498 1499 private RecipientChip findChip(int offset) { 1500 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1501 // Find the chip that contains this offset. 1502 for (int i = 0; i < chips.length; i++) { 1503 RecipientChip chip = chips[i]; 1504 int start = getChipStart(chip); 1505 int end = getChipEnd(chip); 1506 if (offset >= start && offset <= end) { 1507 return chip; 1508 } 1509 } 1510 return null; 1511 } 1512 1513 // Visible for testing. 1514 // Use this method to generate text to add to the list of addresses. 1515 /* package */String createAddressText(RecipientEntry entry) { 1516 String display = entry.getDisplayName(); 1517 String address = entry.getDestination(); 1518 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1519 display = null; 1520 } 1521 String trimmedDisplayText; 1522 if (isPhoneQuery() && isPhoneNumber(address)) { 1523 trimmedDisplayText = address.trim(); 1524 } else { 1525 if (address != null) { 1526 // Tokenize out the address in case the address already 1527 // contained the username as well. 1528 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1529 if (tokenized != null && tokenized.length > 0) { 1530 address = tokenized[0].getAddress(); 1531 } 1532 } 1533 Rfc822Token token = new Rfc822Token(display, address, null); 1534 trimmedDisplayText = token.toString().trim(); 1535 } 1536 int index = trimmedDisplayText.indexOf(","); 1537 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1538 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1539 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1540 } 1541 1542 // Visible for testing. 1543 // Use this method to generate text to display in a chip. 1544 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1545 String display = entry.getDisplayName(); 1546 String address = entry.getDestination(); 1547 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1548 display = null; 1549 } 1550 if (!TextUtils.isEmpty(display)) { 1551 return display; 1552 } else if (!TextUtils.isEmpty(address)){ 1553 return address; 1554 } else { 1555 return new Rfc822Token(display, address, null).toString(); 1556 } 1557 } 1558 1559 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1560 String displayText = createAddressText(entry); 1561 if (TextUtils.isEmpty(displayText)) { 1562 return null; 1563 } 1564 SpannableString chipText = null; 1565 // Always leave a blank space at the end of a chip. 1566 int end = getSelectionEnd(); 1567 int start = mTokenizer.findTokenStart(getText(), end); 1568 int textLength = displayText.length()-1; 1569 chipText = new SpannableString(displayText); 1570 if (!mNoChips) { 1571 try { 1572 RecipientChip chip = constructChipSpan(entry, start, pressed, 1573 false /* leave space for contact icon */); 1574 chipText.setSpan(chip, 0, textLength, 1575 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1576 chip.setOriginalText(chipText.toString()); 1577 } catch (NullPointerException e) { 1578 Log.e(TAG, e.getMessage(), e); 1579 return null; 1580 } 1581 } 1582 return chipText; 1583 } 1584 1585 /** 1586 * When an item in the suggestions list has been clicked, create a chip from the 1587 * contact information of the selected item. 1588 */ 1589 @Override 1590 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1591 submitItemAtPosition(position); 1592 } 1593 1594 private void submitItemAtPosition(int position) { 1595 RecipientEntry entry = createValidatedEntry( 1596 (RecipientEntry)getAdapter().getItem(position)); 1597 if (entry == null) { 1598 return; 1599 } 1600 clearComposingText(); 1601 1602 int end = getSelectionEnd(); 1603 int start = mTokenizer.findTokenStart(getText(), end); 1604 1605 Editable editable = getText(); 1606 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1607 CharSequence chip = createChip(entry, false); 1608 if (chip != null && start >= 0 && end >= 0) { 1609 editable.replace(start, end, chip); 1610 } 1611 sanitizeBetween(); 1612 } 1613 1614 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1615 if (item == null) { 1616 return null; 1617 } 1618 final RecipientEntry entry; 1619 // If the display name and the address are the same, or if this is a 1620 // valid contact, but the destination is invalid, then make this a fake 1621 // recipient that is editable. 1622 String destination = item.getDestination(); 1623 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1624 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1625 destination, item.isValid()); 1626 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1627 && (TextUtils.isEmpty(item.getDisplayName()) 1628 || TextUtils.equals(item.getDisplayName(), destination) 1629 || (mValidator != null && !mValidator.isValid(destination)))) { 1630 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1631 } else { 1632 entry = item; 1633 } 1634 return entry; 1635 } 1636 1637 /** Returns a collection of contact Id for each chip inside this View. */ 1638 /* package */ Collection<Long> getContactIds() { 1639 final Set<Long> result = new HashSet<Long>(); 1640 RecipientChip[] chips = getSortedRecipients(); 1641 if (chips != null) { 1642 for (RecipientChip chip : chips) { 1643 result.add(chip.getContactId()); 1644 } 1645 } 1646 return result; 1647 } 1648 1649 1650 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1651 /* package */ Collection<Long> getDataIds() { 1652 final Set<Long> result = new HashSet<Long>(); 1653 RecipientChip [] chips = getSortedRecipients(); 1654 if (chips != null) { 1655 for (RecipientChip chip : chips) { 1656 result.add(chip.getDataId()); 1657 } 1658 } 1659 return result; 1660 } 1661 1662 // Visible for testing. 1663 /* package */RecipientChip[] getSortedRecipients() { 1664 RecipientChip[] recips = getSpannable() 1665 .getSpans(0, getText().length(), RecipientChip.class); 1666 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1667 .asList(recips)); 1668 final Spannable spannable = getSpannable(); 1669 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1670 1671 @Override 1672 public int compare(RecipientChip first, RecipientChip second) { 1673 int firstStart = spannable.getSpanStart(first); 1674 int secondStart = spannable.getSpanStart(second); 1675 if (firstStart < secondStart) { 1676 return -1; 1677 } else if (firstStart > secondStart) { 1678 return 1; 1679 } else { 1680 return 0; 1681 } 1682 } 1683 }); 1684 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1685 } 1686 1687 @Override 1688 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1689 return false; 1690 } 1691 1692 @Override 1693 public void onDestroyActionMode(ActionMode mode) { 1694 } 1695 1696 @Override 1697 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1698 return false; 1699 } 1700 1701 /** 1702 * No chips are selectable. 1703 */ 1704 @Override 1705 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1706 return false; 1707 } 1708 1709 // Visible for testing. 1710 /* package */ImageSpan getMoreChip() { 1711 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1712 MoreImageSpan.class); 1713 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1714 } 1715 1716 private MoreImageSpan createMoreSpan(int count) { 1717 String moreText = String.format(mMoreItem.getText().toString(), count); 1718 TextPaint morePaint = new TextPaint(getPaint()); 1719 morePaint.setTextSize(mMoreItem.getTextSize()); 1720 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1721 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1722 + mMoreItem.getPaddingRight(); 1723 int height = getLineHeight(); 1724 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1725 Canvas canvas = new Canvas(drawable); 1726 int adjustedHeight = height; 1727 Layout layout = getLayout(); 1728 if (layout != null) { 1729 adjustedHeight -= layout.getLineDescent(0); 1730 } 1731 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1732 1733 Drawable result = new BitmapDrawable(getResources(), drawable); 1734 result.setBounds(0, 0, width, height); 1735 return new MoreImageSpan(result); 1736 } 1737 1738 // Visible for testing. 1739 /*package*/ void createMoreChipPlainText() { 1740 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1741 Editable text = getText(); 1742 int start = 0; 1743 int end = start; 1744 for (int i = 0; i < CHIP_LIMIT; i++) { 1745 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1746 start = end; // move to the next token and get its end. 1747 } 1748 // Now, count total addresses. 1749 start = 0; 1750 int tokenCount = countTokens(text); 1751 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1752 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1753 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1754 text.replace(end, text.length(), chipText); 1755 mMoreChip = moreSpan; 1756 } 1757 1758 // Visible for testing. 1759 /* package */int countTokens(Editable text) { 1760 int tokenCount = 0; 1761 int start = 0; 1762 while (start < text.length()) { 1763 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1764 tokenCount++; 1765 if (start >= text.length()) { 1766 break; 1767 } 1768 } 1769 return tokenCount; 1770 } 1771 1772 /** 1773 * Create the more chip. The more chip is text that replaces any chips that 1774 * do not fit in the pre-defined available space when the 1775 * RecipientEditTextView loses focus. 1776 */ 1777 // Visible for testing. 1778 /* package */ void createMoreChip() { 1779 if (mNoChips) { 1780 createMoreChipPlainText(); 1781 return; 1782 } 1783 1784 if (!mShouldShrink) { 1785 return; 1786 } 1787 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1788 if (tempMore.length > 0) { 1789 getSpannable().removeSpan(tempMore[0]); 1790 } 1791 RecipientChip[] recipients = getSortedRecipients(); 1792 1793 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1794 mMoreChip = null; 1795 return; 1796 } 1797 Spannable spannable = getSpannable(); 1798 int numRecipients = recipients.length; 1799 int overage = numRecipients - CHIP_LIMIT; 1800 MoreImageSpan moreSpan = createMoreSpan(overage); 1801 mRemovedSpans = new ArrayList<RecipientChip>(); 1802 int totalReplaceStart = 0; 1803 int totalReplaceEnd = 0; 1804 Editable text = getText(); 1805 for (int i = numRecipients - overage; i < recipients.length; i++) { 1806 mRemovedSpans.add(recipients[i]); 1807 if (i == numRecipients - overage) { 1808 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1809 } 1810 if (i == recipients.length - 1) { 1811 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1812 } 1813 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1814 int spanStart = spannable.getSpanStart(recipients[i]); 1815 int spanEnd = spannable.getSpanEnd(recipients[i]); 1816 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1817 } 1818 spannable.removeSpan(recipients[i]); 1819 } 1820 if (totalReplaceEnd < text.length()) { 1821 totalReplaceEnd = text.length(); 1822 } 1823 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1824 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1825 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1826 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1827 text.replace(start, end, chipText); 1828 mMoreChip = moreSpan; 1829 // If adding the +more chip goes over the limit, resize accordingly. 1830 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1831 setMaxLines(getLineCount()); 1832 } 1833 } 1834 1835 /** 1836 * Replace the more chip, if it exists, with all of the recipient chips it had 1837 * replaced when the RecipientEditTextView gains focus. 1838 */ 1839 // Visible for testing. 1840 /*package*/ void removeMoreChip() { 1841 if (mMoreChip != null) { 1842 Spannable span = getSpannable(); 1843 span.removeSpan(mMoreChip); 1844 mMoreChip = null; 1845 // Re-add the spans that were removed. 1846 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1847 // Recreate each removed span. 1848 RecipientChip[] recipients = getSortedRecipients(); 1849 // Start the search for tokens after the last currently visible 1850 // chip. 1851 if (recipients == null || recipients.length == 0) { 1852 return; 1853 } 1854 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1855 Editable editable = getText(); 1856 for (RecipientChip chip : mRemovedSpans) { 1857 int chipStart; 1858 int chipEnd; 1859 String token; 1860 // Need to find the location of the chip, again. 1861 token = (String) chip.getOriginalText(); 1862 // As we find the matching recipient for the remove spans, 1863 // reduce the size of the string we need to search. 1864 // That way, if there are duplicates, we always find the correct 1865 // recipient. 1866 chipStart = editable.toString().indexOf(token, end); 1867 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1868 // Only set the span if we found a matching token. 1869 if (chipStart != -1) { 1870 editable.setSpan(chip, chipStart, chipEnd, 1871 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1872 } 1873 } 1874 mRemovedSpans.clear(); 1875 } 1876 } 1877 } 1878 1879 /** 1880 * Show specified chip as selected. If the RecipientChip is just an email address, 1881 * selecting the chip will take the contents of the chip and place it at 1882 * the end of the RecipientEditTextView for inline editing. If the 1883 * RecipientChip is a complete contact, then selecting the chip 1884 * will change the background color of the chip, show the delete icon, 1885 * and a popup window with the address in use highlighted and any other 1886 * alternate addresses for the contact. 1887 * @param currentChip Chip to select. 1888 * @return A RecipientChip in the selected state or null if the chip 1889 * just contained an email address. 1890 */ 1891 private RecipientChip selectChip(RecipientChip currentChip) { 1892 if (shouldShowEditableText(currentChip)) { 1893 CharSequence text = currentChip.getValue(); 1894 Editable editable = getText(); 1895 Spannable spannable = getSpannable(); 1896 int spanStart = spannable.getSpanStart(currentChip); 1897 int spanEnd = spannable.getSpanEnd(currentChip); 1898 spannable.removeSpan(currentChip); 1899 editable.delete(spanStart, spanEnd); 1900 setCursorVisible(true); 1901 setSelection(editable.length()); 1902 editable.append(text); 1903 return constructChipSpan( 1904 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1905 getSelectionStart(), true, false); 1906 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1907 int start = getChipStart(currentChip); 1908 int end = getChipEnd(currentChip); 1909 getSpannable().removeSpan(currentChip); 1910 RecipientChip newChip; 1911 try { 1912 if (mNoChips) { 1913 return null; 1914 } 1915 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1916 } catch (NullPointerException e) { 1917 Log.e(TAG, e.getMessage(), e); 1918 return null; 1919 } 1920 Editable editable = getText(); 1921 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1922 if (start == -1 || end == -1) { 1923 Log.d(TAG, "The chip being selected no longer exists but should."); 1924 } else { 1925 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1926 } 1927 newChip.setSelected(true); 1928 if (shouldShowEditableText(newChip)) { 1929 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1930 } 1931 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1932 setCursorVisible(false); 1933 return newChip; 1934 } else { 1935 int start = getChipStart(currentChip); 1936 int end = getChipEnd(currentChip); 1937 getSpannable().removeSpan(currentChip); 1938 RecipientChip newChip; 1939 try { 1940 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1941 } catch (NullPointerException e) { 1942 Log.e(TAG, e.getMessage(), e); 1943 return null; 1944 } 1945 Editable editable = getText(); 1946 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1947 if (start == -1 || end == -1) { 1948 Log.d(TAG, "The chip being selected no longer exists but should."); 1949 } else { 1950 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1951 } 1952 newChip.setSelected(true); 1953 if (shouldShowEditableText(newChip)) { 1954 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1955 } 1956 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1957 setCursorVisible(false); 1958 return newChip; 1959 } 1960 } 1961 1962 private boolean shouldShowEditableText(RecipientChip currentChip) { 1963 long contactId = currentChip.getContactId(); 1964 return contactId == RecipientEntry.INVALID_CONTACT 1965 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 1966 } 1967 1968 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1969 int width, Context context) { 1970 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1971 int bottom = calculateOffsetFromBottom(line); 1972 // Align the alternates popup with the left side of the View, 1973 // regardless of the position of the chip tapped. 1974 popup.setWidth(width); 1975 popup.setAnchorView(this); 1976 popup.setVerticalOffset(bottom); 1977 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1978 popup.setOnItemClickListener(new OnItemClickListener() { 1979 @Override 1980 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1981 unselectChip(currentChip); 1982 popup.dismiss(); 1983 } 1984 }); 1985 popup.show(); 1986 ListView listView = popup.getListView(); 1987 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1988 listView.setItemChecked(0, true); 1989 } 1990 1991 /** 1992 * Remove selection from this chip. Unselecting a RecipientChip will render 1993 * the chip without a delete icon and with an unfocused background. This is 1994 * called when the RecipientChip no longer has focus. 1995 */ 1996 private void unselectChip(RecipientChip chip) { 1997 int start = getChipStart(chip); 1998 int end = getChipEnd(chip); 1999 Editable editable = getText(); 2000 mSelectedChip = null; 2001 if (start == -1 || end == -1) { 2002 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2003 setSelection(editable.length()); 2004 commitDefault(); 2005 } else { 2006 getSpannable().removeSpan(chip); 2007 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2008 editable.removeSpan(chip); 2009 try { 2010 if (!mNoChips) { 2011 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2012 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2013 } 2014 } catch (NullPointerException e) { 2015 Log.e(TAG, e.getMessage(), e); 2016 } 2017 } 2018 setCursorVisible(true); 2019 setSelection(editable.length()); 2020 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2021 mAlternatesPopup.dismiss(); 2022 } 2023 } 2024 2025 /** 2026 * Return whether a touch event was inside the delete target of 2027 * a selected chip. It is in the delete target if: 2028 * 1) the x and y points of the event are within the 2029 * delete assset. 2030 * 2) the point tapped would have caused a cursor to appear 2031 * right after the selected chip. 2032 * @return boolean 2033 */ 2034 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2035 // Figure out the bounds of this chip and whether or not 2036 // the user clicked in the X portion. 2037 return chip.isSelected() && offset == getChipEnd(chip); 2038 } 2039 2040 /** 2041 * Remove the chip and any text associated with it from the RecipientEditTextView. 2042 */ 2043 // Visible for testing. 2044 /*pacakge*/ void removeChip(RecipientChip chip) { 2045 Spannable spannable = getSpannable(); 2046 int spanStart = spannable.getSpanStart(chip); 2047 int spanEnd = spannable.getSpanEnd(chip); 2048 Editable text = getText(); 2049 int toDelete = spanEnd; 2050 boolean wasSelected = chip == mSelectedChip; 2051 // Clear that there is a selected chip before updating any text. 2052 if (wasSelected) { 2053 mSelectedChip = null; 2054 } 2055 // Always remove trailing spaces when removing a chip. 2056 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2057 toDelete++; 2058 } 2059 spannable.removeSpan(chip); 2060 if (spanStart >= 0 && toDelete > 0) { 2061 text.delete(spanStart, toDelete); 2062 } 2063 if (wasSelected) { 2064 clearSelectedChip(); 2065 } 2066 } 2067 2068 /** 2069 * Replace this currently selected chip with a new chip 2070 * that uses the contact data provided. 2071 */ 2072 // Visible for testing. 2073 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2074 boolean wasSelected = chip == mSelectedChip; 2075 if (wasSelected) { 2076 mSelectedChip = null; 2077 } 2078 int start = getChipStart(chip); 2079 int end = getChipEnd(chip); 2080 getSpannable().removeSpan(chip); 2081 Editable editable = getText(); 2082 CharSequence chipText = createChip(entry, false); 2083 if (chipText != null) { 2084 if (start == -1 || end == -1) { 2085 Log.e(TAG, "The chip to replace does not exist but should."); 2086 editable.insert(0, chipText); 2087 } else { 2088 if (!TextUtils.isEmpty(chipText)) { 2089 // There may be a space to replace with this chip's new 2090 // associated space. Check for it 2091 int toReplace = end; 2092 while (toReplace >= 0 && toReplace < editable.length() 2093 && editable.charAt(toReplace) == ' ') { 2094 toReplace++; 2095 } 2096 editable.replace(start, toReplace, chipText); 2097 } 2098 } 2099 } 2100 setCursorVisible(true); 2101 if (wasSelected) { 2102 clearSelectedChip(); 2103 } 2104 } 2105 2106 /** 2107 * Handle click events for a chip. When a selected chip receives a click 2108 * event, see if that event was in the delete icon. If so, delete it. 2109 * Otherwise, unselect the chip. 2110 */ 2111 public void onClick(RecipientChip chip, int offset, float x, float y) { 2112 if (chip.isSelected()) { 2113 if (isInDelete(chip, offset, x, y)) { 2114 removeChip(chip); 2115 } else { 2116 clearSelectedChip(); 2117 } 2118 } 2119 } 2120 2121 private boolean chipsPending() { 2122 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2123 } 2124 2125 @Override 2126 public void removeTextChangedListener(TextWatcher watcher) { 2127 mTextWatcher = null; 2128 super.removeTextChangedListener(watcher); 2129 } 2130 2131 private class RecipientTextWatcher implements TextWatcher { 2132 2133 @Override 2134 public void afterTextChanged(Editable s) { 2135 // If the text has been set to null or empty, make sure we remove 2136 // all the spans we applied. 2137 if (TextUtils.isEmpty(s)) { 2138 // Remove all the chips spans. 2139 Spannable spannable = getSpannable(); 2140 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2141 RecipientChip.class); 2142 for (RecipientChip chip : chips) { 2143 spannable.removeSpan(chip); 2144 } 2145 if (mMoreChip != null) { 2146 spannable.removeSpan(mMoreChip); 2147 } 2148 return; 2149 } 2150 // Get whether there are any recipients pending addition to the 2151 // view. If there are, don't do anything in the text watcher. 2152 if (chipsPending()) { 2153 return; 2154 } 2155 // If the user is editing a chip, don't clear it. 2156 if (mSelectedChip != null) { 2157 if (!isGeneratedContact(mSelectedChip)) { 2158 setCursorVisible(true); 2159 setSelection(getText().length()); 2160 clearSelectedChip(); 2161 } else { 2162 return; 2163 } 2164 } 2165 int length = s.length(); 2166 // Make sure there is content there to parse and that it is 2167 // not just the commit character. 2168 if (length > 1) { 2169 if (lastCharacterIsCommitCharacter(s)) { 2170 commitByCharacter(); 2171 return; 2172 } 2173 char last; 2174 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2175 int len = length() - 1; 2176 if (end != len) { 2177 last = s.charAt(end); 2178 } else { 2179 last = s.charAt(len); 2180 } 2181 if (last == COMMIT_CHAR_SPACE) { 2182 if (!isPhoneQuery()) { 2183 // Check if this is a valid email address. If it is, 2184 // commit it. 2185 String text = getText().toString(); 2186 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2187 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2188 tokenStart)); 2189 if (!TextUtils.isEmpty(sub) && mValidator != null && 2190 mValidator.isValid(sub)) { 2191 commitByCharacter(); 2192 } 2193 } 2194 } 2195 } 2196 } 2197 2198 @Override 2199 public void onTextChanged(CharSequence s, int start, int before, int count) { 2200 // The user deleted some text OR some text was replaced; check to 2201 // see if the insertion point is on a space 2202 // following a chip. 2203 if (before - count == 1) { 2204 // If the item deleted is a space, and the thing before the 2205 // space is a chip, delete the entire span. 2206 int selStart = getSelectionStart(); 2207 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2208 RecipientChip.class); 2209 if (repl.length > 0) { 2210 // There is a chip there! Just remove it. 2211 Editable editable = getText(); 2212 // Add the separator token. 2213 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2214 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2215 tokenEnd = tokenEnd + 1; 2216 if (tokenEnd > editable.length()) { 2217 tokenEnd = editable.length(); 2218 } 2219 editable.delete(tokenStart, tokenEnd); 2220 getSpannable().removeSpan(repl[0]); 2221 } 2222 } else if (count > before) { 2223 if (mSelectedChip != null 2224 && isGeneratedContact(mSelectedChip)) { 2225 if (lastCharacterIsCommitCharacter(s)) { 2226 commitByCharacter(); 2227 return; 2228 } 2229 } 2230 } 2231 } 2232 2233 @Override 2234 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2235 // Do nothing. 2236 } 2237 } 2238 2239 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 2240 super.setAdapter(adapter); 2241 ((BaseRecipientAdapter) adapter) 2242 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 2243 @Override 2244 public void onChanged(List<RecipientEntry> entries) { 2245 if (entries != null && entries.size() > 0) { 2246 scrollBottomIntoView(); 2247 } 2248 } 2249 }); 2250 } 2251 2252 private void scrollBottomIntoView() { 2253 if (mScrollView != null && mShouldShrink) { 2254 int[] location = new int[2]; 2255 getLocationOnScreen(location); 2256 int height = getHeight(); 2257 int currentPos = location[1] + height; 2258 // Desired position shows at least 1 line of chips below the action 2259 // bar. 2260 // We add excess padding to make sure this is always below other 2261 // content. 2262 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 2263 if (currentPos > desiredPos) { 2264 mScrollView.scrollBy(0, currentPos - desiredPos); 2265 } 2266 } 2267 } 2268 2269 private int getExcessTopPadding() { 2270 if (sExcessTopPadding == -1) { 2271 sExcessTopPadding = (int) mChipHeight; 2272 } 2273 return sExcessTopPadding; 2274 } 2275 2276 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2277 char last; 2278 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2279 int len = length() - 1; 2280 if (end != len) { 2281 last = s.charAt(end); 2282 } else { 2283 last = s.charAt(len); 2284 } 2285 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2286 } 2287 2288 public boolean isGeneratedContact(RecipientChip chip) { 2289 long contactId = chip.getContactId(); 2290 return contactId == RecipientEntry.INVALID_CONTACT 2291 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2292 } 2293 2294 /** 2295 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2296 */ 2297 private void handlePasteClip(ClipData clip) { 2298 removeTextChangedListener(mTextWatcher); 2299 2300 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2301 for (int i = 0; i < clip.getItemCount(); i++) { 2302 CharSequence paste = clip.getItemAt(i).getText(); 2303 if (paste != null) { 2304 int start = getSelectionStart(); 2305 int end = getSelectionEnd(); 2306 Editable editable = getText(); 2307 if (start >= 0 && end >= 0 && start != end) { 2308 editable.append(paste, start, end); 2309 } else { 2310 editable.insert(end, paste); 2311 } 2312 handlePasteAndReplace(); 2313 } 2314 } 2315 } 2316 2317 mHandler.post(mAddTextWatcher); 2318 } 2319 2320 @Override 2321 public boolean onTextContextMenuItem(int id) { 2322 if (id == android.R.id.paste) { 2323 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2324 Context.CLIPBOARD_SERVICE); 2325 handlePasteClip(clipboard.getPrimaryClip()); 2326 return true; 2327 } 2328 return super.onTextContextMenuItem(id); 2329 } 2330 2331 private void handlePasteAndReplace() { 2332 ArrayList<RecipientChip> created = handlePaste(); 2333 if (created != null && created.size() > 0) { 2334 // Perform reverse lookups on the pasted contacts. 2335 IndividualReplacementTask replace = new IndividualReplacementTask(); 2336 replace.execute(created); 2337 } 2338 } 2339 2340 // Visible for testing. 2341 /* package */ArrayList<RecipientChip> handlePaste() { 2342 String text = getText().toString(); 2343 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2344 String lastAddress = text.substring(originalTokenStart); 2345 int tokenStart = originalTokenStart; 2346 int prevTokenStart = tokenStart; 2347 RecipientChip findChip = null; 2348 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2349 if (tokenStart != 0) { 2350 // There are things before this! 2351 while (tokenStart != 0 && findChip == null) { 2352 prevTokenStart = tokenStart; 2353 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2354 findChip = findChip(tokenStart); 2355 } 2356 if (tokenStart != originalTokenStart) { 2357 if (findChip != null) { 2358 tokenStart = prevTokenStart; 2359 } 2360 int tokenEnd; 2361 RecipientChip createdChip; 2362 while (tokenStart < originalTokenStart) { 2363 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2364 tokenStart)); 2365 commitChip(tokenStart, tokenEnd, getText()); 2366 createdChip = findChip(tokenStart); 2367 if (createdChip == null) { 2368 break; 2369 } 2370 // +1 for the space at the end. 2371 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2372 created.add(createdChip); 2373 } 2374 } 2375 } 2376 // Take a look at the last token. If the token has been completed with a 2377 // commit character, create a chip. 2378 if (isCompletedToken(lastAddress)) { 2379 Editable editable = getText(); 2380 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2381 commitChip(tokenStart, editable.length(), editable); 2382 created.add(findChip(tokenStart)); 2383 } 2384 return created; 2385 } 2386 2387 // Visible for testing. 2388 /* package */int movePastTerminators(int tokenEnd) { 2389 if (tokenEnd >= length()) { 2390 return tokenEnd; 2391 } 2392 char atEnd = getText().toString().charAt(tokenEnd); 2393 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2394 tokenEnd++; 2395 } 2396 // This token had not only an end token character, but also a space 2397 // separating it from the next token. 2398 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2399 tokenEnd++; 2400 } 2401 return tokenEnd; 2402 } 2403 2404 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2405 private RecipientChip createFreeChip(RecipientEntry entry) { 2406 try { 2407 if (mNoChips) { 2408 return null; 2409 } 2410 return constructChipSpan(entry, -1, false, 2411 false /*leave space for contact icon */); 2412 } catch (NullPointerException e) { 2413 Log.e(TAG, e.getMessage(), e); 2414 return null; 2415 } 2416 } 2417 2418 @Override 2419 protected Void doInBackground(Void... params) { 2420 if (mIndividualReplacements != null) { 2421 mIndividualReplacements.cancel(true); 2422 } 2423 // For each chip in the list, look up the matching contact. 2424 // If there is a match, replace that chip with the matching 2425 // chip. 2426 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2427 RecipientChip[] existingChips = getSortedRecipients(); 2428 for (int i = 0; i < existingChips.length; i++) { 2429 originalRecipients.add(existingChips[i]); 2430 } 2431 if (mRemovedSpans != null) { 2432 originalRecipients.addAll(mRemovedSpans); 2433 } 2434 ArrayList<String> addresses = new ArrayList<String>(); 2435 RecipientChip chip; 2436 for (int i = 0; i < originalRecipients.size(); i++) { 2437 chip = originalRecipients.get(i); 2438 if (chip != null) { 2439 addresses.add(createAddressText(chip.getEntry())); 2440 } 2441 } 2442 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2443 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2444 new RecipientMatchCallback() { 2445 2446 @Override 2447 public void matchesFound(HashMap<String, RecipientEntry> entries) { 2448 final ArrayList<RecipientChip> replacements = 2449 new ArrayList<RecipientChip>(); 2450 for (final RecipientChip temp : originalRecipients) { 2451 RecipientEntry entry = null; 2452 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2453 .getContactId()) 2454 && getSpannable().getSpanStart(temp) != -1) { 2455 // Replace this. 2456 entry = createValidatedEntry( 2457 entries.get(tokenizeAddress(temp.getEntry() 2458 .getDestination()))); 2459 } 2460 if (entry != null) { 2461 replacements.add(createFreeChip(entry)); 2462 } else { 2463 replacements.add(null); 2464 } 2465 } 2466 if (replacements != null && replacements.size() > 0) { 2467 mHandler.post(new Runnable() { 2468 @Override 2469 public void run() { 2470 Editable oldText = getText(); 2471 int start, end; 2472 int i = 0; 2473 for (RecipientChip chip : originalRecipients) { 2474 // Find the location of the chip in 2475 // the text currently shown. 2476 start = oldText.getSpanStart(chip); 2477 if (start != -1) { 2478 RecipientChip replacement = replacements.get(i); 2479 if (replacement != null) { 2480 end = oldText.getSpanEnd(chip); 2481 oldText.removeSpan(chip); 2482 // Make sure we always have just 1 space at the 2483 // end to separate this chip from the next chip. 2484 SpannableString displayText = 2485 new SpannableString( 2486 createAddressText( 2487 replacement.getEntry()).trim() 2488 + " "); 2489 displayText.setSpan(replacement, 0, 2490 displayText.length() - 1, 2491 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2492 // Replace the old text we 2493 // found with with the new 2494 // display text, which now 2495 // may also contain the 2496 // display name of the 2497 // recipient. 2498 oldText.replace(start, end, displayText); 2499 replacement.setOriginalText(displayText 2500 .toString()); 2501 replacements.set(i, null); 2502 } 2503 } 2504 i++; 2505 } 2506 } 2507 }); 2508 } 2509 } 2510 }); 2511 return null; 2512 } 2513 } 2514 2515 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2516 @SuppressWarnings("unchecked") 2517 @Override 2518 protected Void doInBackground(Object... params) { 2519 // For each chip in the list, look up the matching contact. 2520 // If there is a match, replace that chip with the matching 2521 // chip. 2522 final ArrayList<RecipientChip> originalRecipients = 2523 (ArrayList<RecipientChip>) params[0]; 2524 ArrayList<String> addresses = new ArrayList<String>(); 2525 RecipientChip chip; 2526 for (int i = 0; i < originalRecipients.size(); i++) { 2527 chip = originalRecipients.get(i); 2528 if (chip != null) { 2529 addresses.add(createAddressText(chip.getEntry())); 2530 } 2531 } 2532 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2533 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2534 new RecipientMatchCallback() { 2535 2536 @Override 2537 public void matchesFound(HashMap<String, RecipientEntry> entries) { 2538 for (final RecipientChip temp : originalRecipients) { 2539 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2540 .getContactId()) 2541 && getSpannable().getSpanStart(temp) != -1) { 2542 // Replace this. 2543 RecipientEntry entry = createValidatedEntry(entries 2544 .get(tokenizeAddress(temp.getEntry().getDestination()) 2545 .toLowerCase())); 2546 // If we don't have a validated contact 2547 // match, just use the 2548 // entry as it existed before. 2549 if (entry == null && !isPhoneQuery()) { 2550 entry = temp.getEntry(); 2551 } 2552 final RecipientEntry tempEntry = entry; 2553 if (tempEntry != null) { 2554 mHandler.post(new Runnable() { 2555 @Override 2556 public void run() { 2557 replaceChip(temp, tempEntry); 2558 } 2559 }); 2560 } 2561 } 2562 } 2563 } 2564 2565 }); 2566 return null; 2567 } 2568 } 2569 2570 2571 /** 2572 * MoreImageSpan is a simple class created for tracking the existence of a 2573 * more chip across activity restarts/ 2574 */ 2575 private class MoreImageSpan extends ImageSpan { 2576 public MoreImageSpan(Drawable b) { 2577 super(b); 2578 } 2579 } 2580 2581 @Override 2582 public boolean onDown(MotionEvent e) { 2583 return false; 2584 } 2585 2586 @Override 2587 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2588 // Do nothing. 2589 return false; 2590 } 2591 2592 @Override 2593 public void onLongPress(MotionEvent event) { 2594 if (mSelectedChip != null) { 2595 return; 2596 } 2597 float x = event.getX(); 2598 float y = event.getY(); 2599 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2600 RecipientChip currentChip = findChip(offset); 2601 if (currentChip != null) { 2602 if (mDragEnabled) { 2603 // Start drag-and-drop for the selected chip. 2604 startDrag(currentChip); 2605 } else { 2606 // Copy the selected chip email address. 2607 showCopyDialog(currentChip.getEntry().getDestination()); 2608 } 2609 } 2610 } 2611 2612 /** 2613 * Enables drag-and-drop for chips. 2614 */ 2615 public void enableDrag() { 2616 mDragEnabled = true; 2617 } 2618 2619 /** 2620 * Starts drag-and-drop for the selected chip. 2621 */ 2622 private void startDrag(RecipientChip currentChip) { 2623 String address = currentChip.getEntry().getDestination(); 2624 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2625 2626 // Start drag mode. 2627 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2628 2629 // Remove the current chip, so drag-and-drop will result in a move. 2630 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2631 removeChip(currentChip); 2632 } 2633 2634 /** 2635 * Handles drag event. 2636 */ 2637 @Override 2638 public boolean onDragEvent(DragEvent event) { 2639 switch (event.getAction()) { 2640 case DragEvent.ACTION_DRAG_STARTED: 2641 // Only handle plain text drag and drop. 2642 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2643 case DragEvent.ACTION_DRAG_ENTERED: 2644 requestFocus(); 2645 return true; 2646 case DragEvent.ACTION_DROP: 2647 handlePasteClip(event.getClipData()); 2648 return true; 2649 } 2650 return false; 2651 } 2652 2653 /** 2654 * Drag shadow for a {@link RecipientChip}. 2655 */ 2656 private final class RecipientChipShadow extends DragShadowBuilder { 2657 private final RecipientChip mChip; 2658 2659 public RecipientChipShadow(RecipientChip chip) { 2660 mChip = chip; 2661 } 2662 2663 @Override 2664 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2665 Rect rect = mChip.getBounds(); 2666 shadowSize.set(rect.width(), rect.height()); 2667 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2668 } 2669 2670 @Override 2671 public void onDrawShadow(Canvas canvas) { 2672 mChip.draw(canvas); 2673 } 2674 } 2675 2676 private void showCopyDialog(final String address) { 2677 mCopyAddress = address; 2678 mCopyDialog.setTitle(address); 2679 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2680 mCopyDialog.setCancelable(true); 2681 mCopyDialog.setCanceledOnTouchOutside(true); 2682 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2683 button.setOnClickListener(this); 2684 int btnTitleId; 2685 if (isPhoneQuery()) { 2686 btnTitleId = R.string.copy_number; 2687 } else { 2688 btnTitleId = R.string.copy_email; 2689 } 2690 String buttonTitle = getContext().getResources().getString(btnTitleId); 2691 button.setText(buttonTitle); 2692 mCopyDialog.setOnDismissListener(this); 2693 mCopyDialog.show(); 2694 } 2695 2696 @Override 2697 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2698 // Do nothing. 2699 return false; 2700 } 2701 2702 @Override 2703 public void onShowPress(MotionEvent e) { 2704 // Do nothing. 2705 } 2706 2707 @Override 2708 public boolean onSingleTapUp(MotionEvent e) { 2709 // Do nothing. 2710 return false; 2711 } 2712 2713 @Override 2714 public void onDismiss(DialogInterface dialog) { 2715 mCopyAddress = null; 2716 } 2717 2718 @Override 2719 public void onClick(View v) { 2720 // Copy this to the clipboard. 2721 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2722 Context.CLIPBOARD_SERVICE); 2723 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2724 mCopyDialog.dismiss(); 2725 } 2726 2727 protected boolean isPhoneQuery() { 2728 return getAdapter() != null 2729 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2730 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2731 } 2732} 2733