RecipientEditTextView.java revision abb864d610bdd171d6b0dfd2e83648952155e6eb
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.SpannableStringBuilder; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.Patterns; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.ListAdapter; 76import android.widget.ListPopupWindow; 77import android.widget.ListView; 78import android.widget.MultiAutoCompleteTextView; 79import android.widget.ScrollView; 80import android.widget.TextView; 81 82import java.util.ArrayList; 83import java.util.Arrays; 84import java.util.Collection; 85import java.util.Collections; 86import java.util.Comparator; 87import java.util.HashMap; 88import java.util.HashSet; 89import java.util.Set; 90import java.util.regex.Matcher; 91 92/** 93 * RecipientEditTextView is an auto complete text view for use with applications 94 * that use the new Chips UI for addressing a message to recipients. 95 */ 96public class RecipientEditTextView extends MultiAutoCompleteTextView implements 97 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 98 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 99 TextView.OnEditorActionListener { 100 101 private static final char COMMIT_CHAR_COMMA = ','; 102 103 private static final char NAME_WRAPPER_CHAR = '"'; 104 105 private static final char COMMIT_CHAR_SEMICOLON = ';'; 106 107 private static final char COMMIT_CHAR_SPACE = ' '; 108 109 private static final String TAG = "RecipientEditTextView"; 110 111 private static int DISMISS = "dismiss".hashCode(); 112 113 private static final long DISMISS_DELAY = 300; 114 115 // TODO: get correct number/ algorithm from with UX. 116 // Visible for testing. 117 /*package*/ static final int CHIP_LIMIT = 2; 118 119 private static final int MAX_CHIPS_PARSED = 50; 120 121 private static int sSelectedTextColor = -1; 122 123 // Resources for displaying chips. 124 private Drawable mChipBackground = null; 125 126 private Drawable mChipDelete = null; 127 128 private Drawable mInvalidChipBackground; 129 130 private Drawable mChipBackgroundPressed; 131 132 private float mChipHeight; 133 134 private float mChipFontSize; 135 136 private float mLineSpacingExtra; 137 138 private int mChipPadding; 139 140 private Tokenizer mTokenizer; 141 142 private Validator mValidator; 143 144 private RecipientChip mSelectedChip; 145 146 private int mAlternatesLayout; 147 148 private Bitmap mDefaultContactPhoto; 149 150 private ImageSpan mMoreChip; 151 152 private TextView mMoreItem; 153 154 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 155 156 private Handler mHandler; 157 158 private int mPendingChipsCount = 0; 159 160 private boolean mNoChips = false; 161 162 private ListPopupWindow mAlternatesPopup; 163 164 private ListPopupWindow mAddressPopup; 165 166 private ArrayList<RecipientChip> mTemporaryRecipients; 167 168 private ArrayList<RecipientChip> mRemovedSpans; 169 170 private boolean mShouldShrink = true; 171 172 // Chip copy fields. 173 private GestureDetector mGestureDetector; 174 175 private Dialog mCopyDialog; 176 177 private String mCopyAddress; 178 179 /** 180 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 181 * selected chip. 182 */ 183 private OnItemClickListener mAlternatesListener; 184 185 private int mCheckedItem; 186 187 private TextWatcher mTextWatcher; 188 189 // Obtain the enclosing scroll view, if it exists, so that the view can be 190 // scrolled to show the last line of chips content. 191 private ScrollView mScrollView; 192 193 private boolean mTriedGettingScrollView; 194 195 private boolean mDragEnabled = false; 196 197 private final Runnable mAddTextWatcher = new Runnable() { 198 @Override 199 public void run() { 200 if (mTextWatcher == null) { 201 mTextWatcher = new RecipientTextWatcher(); 202 addTextChangedListener(mTextWatcher); 203 } 204 } 205 }; 206 207 private IndividualReplacementTask mIndividualReplacements; 208 209 private Runnable mHandlePendingChips = new Runnable() { 210 211 @Override 212 public void run() { 213 handlePendingChips(); 214 } 215 216 }; 217 218 private Runnable mDelayedShrink = new Runnable() { 219 220 @Override 221 public void run() { 222 shrink(); 223 } 224 225 }; 226 227 public RecipientEditTextView(Context context, AttributeSet attrs) { 228 super(context, attrs); 229 setChipDimensions(context, attrs); 230 if (sSelectedTextColor == -1) { 231 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 232 } 233 mAlternatesPopup = new ListPopupWindow(context); 234 mAddressPopup = new ListPopupWindow(context); 235 mCopyDialog = new Dialog(context); 236 mAlternatesListener = new OnItemClickListener() { 237 @Override 238 public void onItemClick(AdapterView<?> adapterView,View view, int position, 239 long rowId) { 240 mAlternatesPopup.setOnItemClickListener(null); 241 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 242 .getRecipientEntry(position)); 243 Message delayed = Message.obtain(mHandler, DISMISS); 244 delayed.obj = mAlternatesPopup; 245 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 246 clearComposingText(); 247 } 248 }; 249 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 250 setOnItemClickListener(this); 251 setCustomSelectionActionModeCallback(this); 252 mHandler = new Handler() { 253 @Override 254 public void handleMessage(Message msg) { 255 if (msg.what == DISMISS) { 256 ((ListPopupWindow) msg.obj).dismiss(); 257 return; 258 } 259 super.handleMessage(msg); 260 } 261 }; 262 mTextWatcher = new RecipientTextWatcher(); 263 addTextChangedListener(mTextWatcher); 264 mGestureDetector = new GestureDetector(context, this); 265 setOnEditorActionListener(this); 266 } 267 268 @Override 269 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 270 if (action == EditorInfo.IME_ACTION_DONE) { 271 if (commitDefault()) { 272 return true; 273 } 274 if (mSelectedChip != null) { 275 clearSelectedChip(); 276 return true; 277 } else if (focusNext()) { 278 return true; 279 } 280 } 281 return false; 282 } 283 284 @Override 285 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 286 InputConnection connection = super.onCreateInputConnection(outAttrs); 287 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 288 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 289 // clear the existing action 290 outAttrs.imeOptions ^= imeActions; 291 // set the DONE action 292 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 293 } 294 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 295 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 296 } 297 outAttrs.actionLabel = getContext().getString(R.string.done); 298 return connection; 299 } 300 301 /*package*/ RecipientChip getLastChip() { 302 RecipientChip last = null; 303 RecipientChip[] chips = getSortedRecipients(); 304 if (chips != null && chips.length > 0) { 305 last = chips[chips.length - 1]; 306 } 307 return last; 308 } 309 310 @Override 311 public void onSelectionChanged(int start, int end) { 312 // When selection changes, see if it is inside the chips area. 313 // If so, move the cursor back after the chips again. 314 RecipientChip last = getLastChip(); 315 if (last != null && start < getSpannable().getSpanEnd(last)) { 316 // Grab the last chip and set the cursor to after it. 317 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 318 } 319 super.onSelectionChanged(start, end); 320 } 321 322 @Override 323 public void onRestoreInstanceState(Parcelable state) { 324 if (!TextUtils.isEmpty(getText())) { 325 super.onRestoreInstanceState(null); 326 } else { 327 super.onRestoreInstanceState(state); 328 } 329 } 330 331 @Override 332 public Parcelable onSaveInstanceState() { 333 // If the user changes orientation while they are editing, just roll back the selection. 334 clearSelectedChip(); 335 return super.onSaveInstanceState(); 336 } 337 338 /** 339 * Convenience method: Append the specified text slice to the TextView's 340 * display buffer, upgrading it to BufferType.EDITABLE if it was 341 * not already editable. Commas are excluded as they are added automatically 342 * by the view. 343 */ 344 @Override 345 public void append(CharSequence text, int start, int end) { 346 // We don't care about watching text changes while appending. 347 if (mTextWatcher != null) { 348 removeTextChangedListener(mTextWatcher); 349 } 350 super.append(text, start, end); 351 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 352 String displayString = text.toString(); 353 int separatorPos = displayString.lastIndexOf(COMMIT_CHAR_COMMA); 354 // Verify that the separator pos is not within ""; if it is, look 355 // past the closing quote. If there is no comma past ", this string 356 // will resolve to an error chip. 357 if (separatorPos > -1) { 358 String parseDisplayString = displayString.substring(separatorPos); 359 int endQuotedTextPos = parseDisplayString.indexOf(NAME_WRAPPER_CHAR); 360 if (endQuotedTextPos > separatorPos) { 361 separatorPos = parseDisplayString.lastIndexOf(COMMIT_CHAR_COMMA, 362 endQuotedTextPos); 363 } 364 if (separatorPos == -1) { 365 separatorPos = displayString.length(); 366 } 367 } 368 if (separatorPos > 0 && !TextUtils.isEmpty(displayString) 369 && TextUtils.getTrimmedLength(displayString) > 0) { 370 mPendingChipsCount++; 371 mPendingChips.add(text.toString()); 372 } 373 } 374 // Put a message on the queue to make sure we ALWAYS handle pending 375 // chips. 376 if (mPendingChipsCount > 0) { 377 postHandlePendingChips(); 378 } 379 mHandler.post(mAddTextWatcher); 380 } 381 382 @Override 383 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 384 super.onFocusChanged(hasFocus, direction, previous); 385 if (!hasFocus) { 386 shrink(); 387 } else { 388 expand(); 389 } 390 } 391 392 @Override 393 public void performValidation() { 394 // Do nothing. Chips handles its own validation. 395 } 396 397 private void shrink() { 398 if (mTokenizer == null) { 399 return; 400 } 401 if (mSelectedChip != null 402 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 403 clearSelectedChip(); 404 } else { 405 if (getWidth() <= 0) { 406 // We don't have the width yet which means the view hasn't been drawn yet 407 // and there is no reason to attempt to commit chips yet. 408 // This focus lost must be the result of an orientation change 409 // or an initial rendering. 410 // Re-post the shrink for later. 411 mHandler.removeCallbacks(mDelayedShrink); 412 mHandler.post(mDelayedShrink); 413 return; 414 } 415 // Reset any pending chips as they would have been handled 416 // when the field lost focus. 417 if (mPendingChipsCount > 0) { 418 postHandlePendingChips(); 419 } else { 420 Editable editable = getText(); 421 int end = getSelectionEnd(); 422 int start = mTokenizer.findTokenStart(editable, end); 423 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 424 if ((chips == null || chips.length == 0)) { 425 Editable text = getText(); 426 int whatEnd = mTokenizer.findTokenEnd(text, start); 427 // This token was already tokenized, so skip past the ending token. 428 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 429 whatEnd++; 430 } 431 // In the middle of chip; treat this as an edit 432 // and commit the whole token. 433 int selEnd = getSelectionEnd(); 434 if (whatEnd != selEnd) { 435 handleEdit(start, whatEnd); 436 } else { 437 commitChip(start, end, editable); 438 } 439 } 440 } 441 mHandler.post(mAddTextWatcher); 442 } 443 createMoreChip(); 444 } 445 446 private void expand() { 447 removeMoreChip(); 448 setCursorVisible(true); 449 Editable text = getText(); 450 setSelection(text != null && text.length() > 0 ? text.length() : 0); 451 // If there are any temporary chips, try replacing them now that the user 452 // has expanded the field. 453 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 454 new RecipientReplacementTask().execute(); 455 mTemporaryRecipients = null; 456 } 457 } 458 459 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 460 paint.setTextSize(mChipFontSize); 461 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 462 Log.d(TAG, "Max width is negative: " + maxWidth); 463 } 464 return TextUtils.ellipsize(text, paint, maxWidth, 465 TextUtils.TruncateAt.END); 466 } 467 468 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 469 // Ellipsize the text so that it takes AT MOST the entire width of the 470 // autocomplete text entry area. Make sure to leave space for padding 471 // on the sides. 472 int height = (int) mChipHeight; 473 int deleteWidth = height; 474 float[] widths = new float[1]; 475 paint.getTextWidths(" ", widths); 476 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 477 calculateAvailableWidth(true) - deleteWidth - widths[0]); 478 479 // Make sure there is a minimum chip width so the user can ALWAYS 480 // tap a chip without difficulty. 481 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 482 ellipsizedText.length())) 483 + (mChipPadding * 2) + deleteWidth); 484 485 // Create the background of the chip. 486 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 487 Canvas canvas = new Canvas(tmpBitmap); 488 if (mChipBackgroundPressed != null) { 489 mChipBackgroundPressed.setBounds(0, 0, width, height); 490 mChipBackgroundPressed.draw(canvas); 491 paint.setColor(sSelectedTextColor); 492 // Vertically center the text in the chip. 493 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 494 getTextYOffset((String) ellipsizedText, paint, height), paint); 495 // Make the delete a square. 496 Rect backgroundPadding = new Rect(); 497 mChipBackgroundPressed.getPadding(backgroundPadding); 498 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 499 0 + backgroundPadding.top, 500 width - backgroundPadding.right, 501 height - backgroundPadding.bottom); 502 mChipDelete.draw(canvas); 503 } else { 504 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 505 } 506 return tmpBitmap; 507 } 508 509 510 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 511 // Ellipsize the text so that it takes AT MOST the entire width of the 512 // autocomplete text entry area. Make sure to leave space for padding 513 // on the sides. 514 int height = (int) mChipHeight; 515 int iconWidth = height; 516 float[] widths = new float[1]; 517 paint.getTextWidths(" ", widths); 518 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 519 calculateAvailableWidth(false) - iconWidth - widths[0]); 520 // Make sure there is a minimum chip width so the user can ALWAYS 521 // tap a chip without difficulty. 522 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 523 ellipsizedText.length())) 524 + (mChipPadding * 2) + iconWidth); 525 526 // Create the background of the chip. 527 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 528 Canvas canvas = new Canvas(tmpBitmap); 529 Drawable background = getChipBackground(contact); 530 if (background != null) { 531 background.setBounds(0, 0, width, height); 532 background.draw(canvas); 533 534 // Don't draw photos for recipients that have been typed in. 535 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 536 byte[] photoBytes = contact.getPhotoBytes(); 537 // There may not be a photo yet if anything but the first contact address 538 // was selected. 539 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 540 // TODO: cache this in the recipient entry? 541 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 542 .getPhotoThumbnailUri()); 543 photoBytes = contact.getPhotoBytes(); 544 } 545 546 Bitmap photo; 547 if (photoBytes != null) { 548 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 549 } else { 550 // TODO: can the scaled down default photo be cached? 551 photo = mDefaultContactPhoto; 552 } 553 // Draw the photo on the left side. 554 if (photo != null) { 555 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 556 Rect backgroundPadding = new Rect(); 557 mChipBackground.getPadding(backgroundPadding); 558 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 559 0 + backgroundPadding.top, 560 width - backgroundPadding.right, 561 height - backgroundPadding.bottom); 562 Matrix matrix = new Matrix(); 563 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 564 canvas.drawBitmap(photo, matrix, paint); 565 } 566 } else { 567 // Don't leave any space for the icon. It isn't being drawn. 568 iconWidth = 0; 569 } 570 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 571 // Vertically center the text in the chip. 572 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 573 getTextYOffset((String)ellipsizedText, paint, height), paint); 574 } else { 575 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 576 } 577 return tmpBitmap; 578 } 579 580 /** 581 * Get the background drawable for a RecipientChip. 582 */ 583 // Visible for testing. 584 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 585 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 586 mChipBackground : mInvalidChipBackground; 587 } 588 589 private float getTextYOffset(String text, TextPaint paint, int height) { 590 Rect bounds = new Rect(); 591 paint.getTextBounds(text, 0, text.length(), bounds); 592 int textHeight = bounds.bottom - bounds.top ; 593 return height - ((height - textHeight) / 2) - (int)paint.descent(); 594 } 595 596 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 597 throws NullPointerException { 598 if (mChipBackground == null) { 599 throw new NullPointerException( 600 "Unable to render any chips as setChipDimensions was not called."); 601 } 602 Layout layout = getLayout(); 603 604 TextPaint paint = getPaint(); 605 float defaultSize = paint.getTextSize(); 606 int defaultColor = paint.getColor(); 607 608 Bitmap tmpBitmap; 609 if (pressed) { 610 tmpBitmap = createSelectedChip(contact, paint, layout); 611 612 } else { 613 tmpBitmap = createUnselectedChip(contact, paint, layout); 614 } 615 616 // Pass the full text, un-ellipsized, to the chip. 617 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 618 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 619 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 620 // Return text to the original size. 621 paint.setTextSize(defaultSize); 622 paint.setColor(defaultColor); 623 return recipientChip; 624 } 625 626 /** 627 * Calculate the bottom of the line the chip will be located on using: 628 * 1) which line the chip appears on 629 * 2) the height of a chip 630 * 3) padding built into the edit text view 631 */ 632 private int calculateOffsetFromBottom(int line) { 633 // Line offsets start at zero. 634 int actualLine = getLineCount() - (line + 1); 635 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 636 + getDropDownVerticalOffset(); 637 } 638 639 /** 640 * Get the max amount of space a chip can take up. The formula takes into 641 * account the width of the EditTextView, any view padding, and padding 642 * that will be added to the chip. 643 */ 644 private float calculateAvailableWidth(boolean pressed) { 645 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 646 } 647 648 649 private void setChipDimensions(Context context, AttributeSet attrs) { 650 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 651 0); 652 Resources r = getContext().getResources(); 653 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 654 if (mChipBackground == null) { 655 mChipBackground = r.getDrawable(R.drawable.chip_background); 656 } 657 mChipBackgroundPressed = a 658 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 659 if (mChipBackgroundPressed == null) { 660 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 661 } 662 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 663 if (mChipDelete == null) { 664 mChipDelete = r.getDrawable(R.drawable.chip_delete); 665 } 666 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 667 if (mChipPadding == -1) { 668 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 669 } 670 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 671 -1); 672 if (mAlternatesLayout == -1) { 673 mAlternatesLayout = R.layout.chips_alternate_item; 674 } 675 676 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 677 678 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 679 680 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 681 if (mChipHeight == -1) { 682 mChipHeight = r.getDimension(R.dimen.chip_height); 683 } 684 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 685 if (mChipFontSize == -1) { 686 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 687 } 688 mInvalidChipBackground = a 689 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 690 if (mInvalidChipBackground == null) { 691 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 692 } 693 mLineSpacingExtra = context.getResources().getDimension(R.dimen.line_spacing_extra); 694 a.recycle(); 695 } 696 697 // Visible for testing. 698 /* package */ void setMoreItem(TextView moreItem) { 699 mMoreItem = moreItem; 700 } 701 702 703 // Visible for testing. 704 /* package */ void setChipBackground(Drawable chipBackground) { 705 mChipBackground = chipBackground; 706 } 707 708 // Visible for testing. 709 /* package */ void setChipHeight(int height) { 710 mChipHeight = height; 711 } 712 713 /** 714 * Set whether to shrink the recipients field such that at most 715 * one line of recipients chips are shown when the field loses 716 * focus. By default, the number of displayed recipients will be 717 * limited and a "more" chip will be shown when focus is lost. 718 * @param shrink 719 */ 720 public void setOnFocusListShrinkRecipients(boolean shrink) { 721 mShouldShrink = shrink; 722 } 723 724 @Override 725 public void onSizeChanged(int width, int height, int oldw, int oldh) { 726 super.onSizeChanged(width, height, oldw, oldh); 727 if (width != 0 && height != 0) { 728 if (mPendingChipsCount > 0) { 729 postHandlePendingChips(); 730 } else { 731 checkChipWidths(); 732 } 733 } 734 // Try to find the scroll view parent, if it exists. 735 if (mScrollView == null && !mTriedGettingScrollView) { 736 ViewParent parent = getParent(); 737 while (parent != null && !(parent instanceof ScrollView)) { 738 parent = parent.getParent(); 739 } 740 if (parent != null) { 741 mScrollView = (ScrollView) parent; 742 } 743 mTriedGettingScrollView = true; 744 } 745 } 746 747 private void postHandlePendingChips() { 748 mHandler.removeCallbacks(mHandlePendingChips); 749 mHandler.post(mHandlePendingChips); 750 } 751 752 private void checkChipWidths() { 753 // Check the widths of the associated chips. 754 RecipientChip[] chips = getSortedRecipients(); 755 if (chips != null) { 756 Rect bounds; 757 for (RecipientChip chip : chips) { 758 bounds = chip.getDrawable().getBounds(); 759 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 760 // Need to redraw that chip. 761 replaceChip(chip, chip.getEntry()); 762 } 763 } 764 } 765 } 766 767 // Visible for testing. 768 /*package*/ void handlePendingChips() { 769 if (getViewWidth() <= 0) { 770 // The widget has not been sized yet. 771 // This will be called as a result of onSizeChanged 772 // at a later point. 773 return; 774 } 775 if (mPendingChipsCount <= 0) { 776 return; 777 } 778 779 synchronized (mPendingChips) { 780 Editable editable = getText(); 781 // Tokenize! 782 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 783 for (int i = 0; i < mPendingChips.size(); i++) { 784 String current = mPendingChips.get(i); 785 int tokenStart = editable.toString().indexOf(current); 786 int tokenEnd = tokenStart + current.length(); 787 if (tokenStart >= 0) { 788 // When we have a valid token, include it with the token 789 // to the left. 790 if (tokenEnd < editable.length() - 2 791 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 792 tokenEnd++; 793 } 794 createReplacementChip(tokenStart, tokenEnd, editable); 795 } 796 mPendingChipsCount--; 797 } 798 sanitizeEnd(); 799 } else { 800 mNoChips = true; 801 } 802 803 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 804 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 805 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 806 new RecipientReplacementTask().execute(); 807 mTemporaryRecipients = null; 808 } else { 809 // Create the "more" chip 810 mIndividualReplacements = new IndividualReplacementTask(); 811 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 812 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 813 814 createMoreChip(); 815 } 816 } else { 817 // There are too many recipients to look up, so just fall back 818 // to showing addresses for all of them. 819 mTemporaryRecipients = null; 820 createMoreChip(); 821 } 822 mPendingChipsCount = 0; 823 mPendingChips.clear(); 824 } 825 } 826 827 // Visible for testing. 828 /*package*/ int getViewWidth() { 829 return getWidth(); 830 } 831 832 /** 833 * Remove any characters after the last valid chip. 834 */ 835 // Visible for testing. 836 /*package*/ void sanitizeEnd() { 837 // Don't sanitize while we are waiting for pending chips to complete. 838 if (mPendingChipsCount > 0) { 839 return; 840 } 841 // Find the last chip; eliminate any commit characters after it. 842 RecipientChip[] chips = getSortedRecipients(); 843 if (chips != null && chips.length > 0) { 844 int end; 845 ImageSpan lastSpan; 846 mMoreChip = getMoreChip(); 847 if (mMoreChip != null) { 848 lastSpan = mMoreChip; 849 } else { 850 lastSpan = getLastChip(); 851 } 852 end = getSpannable().getSpanEnd(lastSpan); 853 Editable editable = getText(); 854 int length = editable.length(); 855 if (length > end) { 856 // See what characters occur after that and eliminate them. 857 if (Log.isLoggable(TAG, Log.DEBUG)) { 858 Log.d(TAG, "There were extra characters after the last tokenizable entry." 859 + editable); 860 } 861 editable.delete(end + 1, length); 862 } 863 } 864 } 865 866 /** 867 * Create a chip that represents just the email address of a recipient. At some later 868 * point, this chip will be attached to a real contact entry, if one exists. 869 */ 870 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 871 if (alreadyHasChip(tokenStart, tokenEnd)) { 872 // There is already a chip present at this location. 873 // Don't recreate it. 874 return; 875 } 876 String token = editable.toString().substring(tokenStart, tokenEnd); 877 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 878 if (commitCharIndex == token.length() - 1) { 879 token = token.substring(0, token.length() - 1); 880 } 881 RecipientEntry entry = createTokenizedEntry(token); 882 if (entry != null) { 883 String destText = createAddressText(entry); 884 // Always leave a blank space at the end of a chip. 885 int textLength = destText.length() - 1; 886 SpannableString chipText = new SpannableString(destText); 887 int end = getSelectionEnd(); 888 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 889 RecipientChip chip = null; 890 try { 891 if (!mNoChips) { 892 chip = constructChipSpan(entry, start, false); 893 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 894 } 895 } catch (NullPointerException e) { 896 Log.e(TAG, e.getMessage(), e); 897 } 898 editable.replace(tokenStart, tokenEnd, chipText); 899 // Add this chip to the list of entries "to replace" 900 if (chip != null) { 901 if (mTemporaryRecipients == null) { 902 mTemporaryRecipients = new ArrayList<RecipientChip>(); 903 } 904 chip.setOriginalText(chipText.toString()); 905 mTemporaryRecipients.add(chip); 906 } 907 } 908 } 909 910 private static boolean isPhoneNumber(String number) { 911 // TODO: replace this function with libphonenumber's isPossibleNumber (see 912 // PhoneNumberUtil). One complication is that it requires the sender's region which 913 // comes from the CurrentCountryIso. For now, let's just do this simple match. 914 if (TextUtils.isEmpty(number)) { 915 return false; 916 } 917 918 Matcher match = Patterns.PHONE.matcher(number); 919 return match.matches(); 920 } 921 922 private RecipientEntry createTokenizedEntry(String token) { 923 if (TextUtils.isEmpty(token)) { 924 return null; 925 } 926 if (isPhoneQuery() && isPhoneNumber(token)) { 927 return RecipientEntry 928 .constructFakeEntry(token); 929 } 930 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 931 String display = null; 932 if (isValid(token) && tokens != null && tokens.length > 0) { 933 // If we can get a name from tokenizing, then generate an entry from 934 // this. 935 display = tokens[0].getName(); 936 if (!TextUtils.isEmpty(display)) { 937 return RecipientEntry.constructGeneratedEntry(display, token); 938 } else { 939 display = tokens[0].getAddress(); 940 if (!TextUtils.isEmpty(display)) { 941 return RecipientEntry.constructFakeEntry(display); 942 } 943 } 944 } 945 // Unable to validate the token or to create a valid token from it. 946 // Just create a chip the user can edit. 947 String validatedToken = null; 948 if (mValidator != null && !mValidator.isValid(token)) { 949 // Try fixing up the entry using the validator. 950 validatedToken = mValidator.fixText(token).toString(); 951 if (!TextUtils.isEmpty(validatedToken)) { 952 if (validatedToken.contains(token)) { 953 // protect against the case of a validator with a null domain, 954 // which doesn't add a domain to the token 955 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 956 if (tokenized.length > 0) { 957 validatedToken = tokenized[0].getAddress(); 958 } 959 } else { 960 // We ran into a case where the token was invalid and removed 961 // by the validator. In this case, just use the original token 962 // and let the user sort out the error chip. 963 validatedToken = null; 964 } 965 } 966 } 967 // Otherwise, fallback to just creating an editable email address chip. 968 return RecipientEntry 969 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 970 } 971 972 private boolean isValid(String text) { 973 return mValidator == null ? true : mValidator.isValid(text); 974 } 975 976 private String tokenizeAddress(String destination) { 977 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 978 if (tokens != null && tokens.length > 0) { 979 return tokens[0].getAddress(); 980 } 981 return destination; 982 } 983 984 @Override 985 public void setTokenizer(Tokenizer tokenizer) { 986 mTokenizer = tokenizer; 987 super.setTokenizer(mTokenizer); 988 } 989 990 @Override 991 public void setValidator(Validator validator) { 992 mValidator = validator; 993 super.setValidator(validator); 994 } 995 996 /** 997 * We cannot use the default mechanism for replaceText. Instead, 998 * we override onItemClickListener so we can get all the associated 999 * contact information including display text, address, and id. 1000 */ 1001 @Override 1002 protected void replaceText(CharSequence text) { 1003 return; 1004 } 1005 1006 /** 1007 * Dismiss any selected chips when the back key is pressed. 1008 */ 1009 @Override 1010 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1011 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1012 clearSelectedChip(); 1013 return true; 1014 } 1015 return super.onKeyPreIme(keyCode, event); 1016 } 1017 1018 /** 1019 * Monitor key presses in this view to see if the user types 1020 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1021 * If the user has entered text that has contact matches and types 1022 * a commit key, create a chip from the topmost matching contact. 1023 * If the user has entered text that has no contact matches and types 1024 * a commit key, then create a chip from the text they have entered. 1025 */ 1026 @Override 1027 public boolean onKeyUp(int keyCode, KeyEvent event) { 1028 switch (keyCode) { 1029 case KeyEvent.KEYCODE_ENTER: 1030 case KeyEvent.KEYCODE_DPAD_CENTER: 1031 if (event.hasNoModifiers()) { 1032 if (commitDefault()) { 1033 return true; 1034 } 1035 if (mSelectedChip != null) { 1036 clearSelectedChip(); 1037 return true; 1038 } else if (focusNext()) { 1039 return true; 1040 } 1041 } 1042 break; 1043 case KeyEvent.KEYCODE_TAB: 1044 if (event.hasNoModifiers()) { 1045 if (mSelectedChip != null) { 1046 clearSelectedChip(); 1047 } else { 1048 commitDefault(); 1049 } 1050 if (focusNext()) { 1051 return true; 1052 } 1053 } 1054 break; 1055 } 1056 return super.onKeyUp(keyCode, event); 1057 } 1058 1059 private boolean focusNext() { 1060 View next = focusSearch(View.FOCUS_DOWN); 1061 if (next != null) { 1062 next.requestFocus(); 1063 return true; 1064 } 1065 return false; 1066 } 1067 1068 /** 1069 * Create a chip from the default selection. If the popup is showing, the 1070 * default is the first item in the popup suggestions list. Otherwise, it is 1071 * whatever the user had typed in. End represents where the the tokenizer 1072 * should search for a token to turn into a chip. 1073 * @return If a chip was created from a real contact. 1074 */ 1075 private boolean commitDefault() { 1076 // If there is no tokenizer, don't try to commit. 1077 if (mTokenizer == null) { 1078 return false; 1079 } 1080 Editable editable = getText(); 1081 int end = getSelectionEnd(); 1082 int start = mTokenizer.findTokenStart(editable, end); 1083 1084 if (shouldCreateChip(start, end)) { 1085 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1086 // In the middle of chip; treat this as an edit 1087 // and commit the whole token. 1088 if (whatEnd != getSelectionEnd()) { 1089 handleEdit(start, whatEnd); 1090 return true; 1091 } 1092 return commitChip(start, end , editable); 1093 } 1094 return false; 1095 } 1096 1097 private void commitByCharacter() { 1098 // We can't possibly commit by character if we can't tokenize. 1099 if (mTokenizer == null) { 1100 return; 1101 } 1102 Editable editable = getText(); 1103 int end = getSelectionEnd(); 1104 int start = mTokenizer.findTokenStart(editable, end); 1105 if (shouldCreateChip(start, end)) { 1106 commitChip(start, end, editable); 1107 } 1108 setSelection(getText().length()); 1109 } 1110 1111 private boolean commitChip(int start, int end, Editable editable) { 1112 ListAdapter adapter = getAdapter(); 1113 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1114 && end == getSelectionEnd() && !isPhoneQuery()) { 1115 // choose the first entry. 1116 submitItemAtPosition(0); 1117 dismissDropDown(); 1118 return true; 1119 } else { 1120 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1121 if (editable.length() > tokenEnd + 1) { 1122 char charAt = editable.charAt(tokenEnd + 1); 1123 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1124 tokenEnd++; 1125 } 1126 } 1127 String text = editable.toString().substring(start, tokenEnd).trim(); 1128 clearComposingText(); 1129 if (text != null && text.length() > 0 && !text.equals(" ")) { 1130 RecipientEntry entry = createTokenizedEntry(text); 1131 if (entry != null) { 1132 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1133 CharSequence chipText = createChip(entry, false); 1134 if (chipText != null && start > -1 && end > -1) { 1135 editable.replace(start, end, chipText); 1136 } 1137 } 1138 // Only dismiss the dropdown if it is related to the text we 1139 // just committed. 1140 // For paste, it may not be as there are possibly multiple 1141 // tokens being added. 1142 if (end == getSelectionEnd()) { 1143 dismissDropDown(); 1144 } 1145 sanitizeBetween(); 1146 return true; 1147 } 1148 } 1149 return false; 1150 } 1151 1152 // Visible for testing. 1153 /* package */ void sanitizeBetween() { 1154 // Don't sanitize while we are waiting for content to chipify. 1155 if (mPendingChipsCount > 0) { 1156 return; 1157 } 1158 // Find the last chip. 1159 RecipientChip[] recips = getSortedRecipients(); 1160 if (recips != null && recips.length > 0) { 1161 RecipientChip last = recips[recips.length - 1]; 1162 RecipientChip beforeLast = null; 1163 if (recips.length > 1) { 1164 beforeLast = recips[recips.length - 2]; 1165 } 1166 int startLooking = 0; 1167 int end = getSpannable().getSpanStart(last); 1168 if (beforeLast != null) { 1169 startLooking = getSpannable().getSpanEnd(beforeLast); 1170 Editable text = getText(); 1171 if (startLooking == -1 || startLooking > text.length() - 1) { 1172 // There is nothing after this chip. 1173 return; 1174 } 1175 if (text.charAt(startLooking) == ' ') { 1176 startLooking++; 1177 } 1178 } 1179 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1180 getText().delete(startLooking, end); 1181 } 1182 } 1183 } 1184 1185 private boolean shouldCreateChip(int start, int end) { 1186 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1187 } 1188 1189 private boolean alreadyHasChip(int start, int end) { 1190 if (mNoChips) { 1191 return true; 1192 } 1193 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1194 if ((chips == null || chips.length == 0)) { 1195 return false; 1196 } 1197 return true; 1198 } 1199 1200 private void handleEdit(int start, int end) { 1201 if (start == -1 || end == -1) { 1202 // This chip no longer exists in the field. 1203 dismissDropDown(); 1204 return; 1205 } 1206 // This is in the middle of a chip, so select out the whole chip 1207 // and commit it. 1208 Editable editable = getText(); 1209 setSelection(end); 1210 String text = getText().toString().substring(start, end); 1211 if (!TextUtils.isEmpty(text)) { 1212 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1213 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1214 CharSequence chipText = createChip(entry, false); 1215 int selEnd = getSelectionEnd(); 1216 if (chipText != null && start > -1 && selEnd > -1) { 1217 editable.replace(start, selEnd, chipText); 1218 } 1219 } 1220 dismissDropDown(); 1221 } 1222 1223 /** 1224 * If there is a selected chip, delegate the key events 1225 * to the selected chip. 1226 */ 1227 @Override 1228 public boolean onKeyDown(int keyCode, KeyEvent event) { 1229 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1230 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1231 mAlternatesPopup.dismiss(); 1232 } 1233 removeChip(mSelectedChip); 1234 } 1235 1236 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1237 return true; 1238 } 1239 1240 return super.onKeyDown(keyCode, event); 1241 } 1242 1243 // Visible for testing. 1244 /* package */ Spannable getSpannable() { 1245 return getText(); 1246 } 1247 1248 private int getChipStart(RecipientChip chip) { 1249 return getSpannable().getSpanStart(chip); 1250 } 1251 1252 private int getChipEnd(RecipientChip chip) { 1253 return getSpannable().getSpanEnd(chip); 1254 } 1255 1256 /** 1257 * Instead of filtering on the entire contents of the edit box, 1258 * this subclass method filters on the range from 1259 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1260 * if the length of that range meets or exceeds {@link #getThreshold} 1261 * and makes sure that the range is not already a Chip. 1262 */ 1263 @Override 1264 protected void performFiltering(CharSequence text, int keyCode) { 1265 if (enoughToFilter() && !isCompletedToken(text)) { 1266 int end = getSelectionEnd(); 1267 int start = mTokenizer.findTokenStart(text, end); 1268 // If this is a RecipientChip, don't filter 1269 // on its contents. 1270 Spannable span = getSpannable(); 1271 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1272 if (chips != null && chips.length > 0) { 1273 return; 1274 } 1275 } 1276 super.performFiltering(text, keyCode); 1277 } 1278 1279 // Visible for testing. 1280 /*package*/ boolean isCompletedToken(CharSequence text) { 1281 if (TextUtils.isEmpty(text)) { 1282 return false; 1283 } 1284 // Check to see if this is a completed token before filtering. 1285 int end = text.length(); 1286 int start = mTokenizer.findTokenStart(text, end); 1287 String token = text.toString().substring(start, end).trim(); 1288 if (!TextUtils.isEmpty(token)) { 1289 char atEnd = token.charAt(token.length() - 1); 1290 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1291 } 1292 return false; 1293 } 1294 1295 private void clearSelectedChip() { 1296 if (mSelectedChip != null) { 1297 unselectChip(mSelectedChip); 1298 mSelectedChip = null; 1299 } 1300 setCursorVisible(true); 1301 } 1302 1303 /** 1304 * Monitor touch events in the RecipientEditTextView. 1305 * If the view does not have focus, any tap on the view 1306 * will just focus the view. If the view has focus, determine 1307 * if the touch target is a recipient chip. If it is and the chip 1308 * is not selected, select it and clear any other selected chips. 1309 * If it isn't, then select that chip. 1310 */ 1311 @Override 1312 public boolean onTouchEvent(MotionEvent event) { 1313 if (!isFocused()) { 1314 // Ignore any chip taps until this view is focused. 1315 return super.onTouchEvent(event); 1316 } 1317 boolean handled = super.onTouchEvent(event); 1318 int action = event.getAction(); 1319 boolean chipWasSelected = false; 1320 if (mSelectedChip == null) { 1321 mGestureDetector.onTouchEvent(event); 1322 } 1323 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1324 float x = event.getX(); 1325 float y = event.getY(); 1326 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1327 RecipientChip currentChip = findChip(offset); 1328 if (currentChip != null) { 1329 if (action == MotionEvent.ACTION_UP) { 1330 if (mSelectedChip != null && mSelectedChip != currentChip) { 1331 clearSelectedChip(); 1332 mSelectedChip = selectChip(currentChip); 1333 } else if (mSelectedChip == null) { 1334 setSelection(getText().length()); 1335 commitDefault(); 1336 mSelectedChip = selectChip(currentChip); 1337 } else { 1338 onClick(mSelectedChip, offset, x, y); 1339 } 1340 } 1341 chipWasSelected = true; 1342 handled = true; 1343 } else if (mSelectedChip != null 1344 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1345 chipWasSelected = true; 1346 } 1347 } 1348 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1349 clearSelectedChip(); 1350 } 1351 return handled; 1352 } 1353 1354 private void scrollLineIntoView(int line) { 1355 if (mScrollView != null) { 1356 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1357 } 1358 } 1359 1360 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1361 int width, Context context) { 1362 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1363 int bottom; 1364 if (line == getLineCount() -1) { 1365 bottom = 0; 1366 } else { 1367 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1368 - line))); 1369 } 1370 // Align the alternates popup with the left side of the View, 1371 // regardless of the position of the chip tapped. 1372 alternatesPopup.setWidth(width); 1373 alternatesPopup.setAnchorView(this); 1374 alternatesPopup.setVerticalOffset(bottom); 1375 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1376 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1377 // Clear the checked item. 1378 mCheckedItem = -1; 1379 alternatesPopup.show(); 1380 ListView listView = alternatesPopup.getListView(); 1381 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1382 // Checked item would be -1 if the adapter has not 1383 // loaded the view that should be checked yet. The 1384 // variable will be set correctly when onCheckedItemChanged 1385 // is called in a separate thread. 1386 if (mCheckedItem != -1) { 1387 listView.setItemChecked(mCheckedItem, true); 1388 mCheckedItem = -1; 1389 } 1390 } 1391 1392 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1393 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1394 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1395 } 1396 1397 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1398 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1399 .getEntry()); 1400 } 1401 1402 @Override 1403 public void onCheckedItemChanged(int position) { 1404 ListView listView = mAlternatesPopup.getListView(); 1405 if (listView != null && listView.getCheckedItemCount() == 0) { 1406 listView.setItemChecked(position, true); 1407 } 1408 mCheckedItem = position; 1409 } 1410 1411 // TODO: This algorithm will need a lot of tweaking after more people have used 1412 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1413 // what comes before the finger. 1414 private int putOffsetInRange(int o) { 1415 int offset = o; 1416 Editable text = getText(); 1417 int length = text.length(); 1418 // Remove whitespace from end to find "real end" 1419 int realLength = length; 1420 for (int i = length - 1; i >= 0; i--) { 1421 if (text.charAt(i) == ' ') { 1422 realLength--; 1423 } else { 1424 break; 1425 } 1426 } 1427 1428 // If the offset is beyond or at the end of the text, 1429 // leave it alone. 1430 if (offset >= realLength) { 1431 return offset; 1432 } 1433 Editable editable = getText(); 1434 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1435 // Keep walking backward! 1436 offset--; 1437 } 1438 return offset; 1439 } 1440 1441 private int findText(Editable text, int offset) { 1442 if (text.charAt(offset) != ' ') { 1443 return offset; 1444 } 1445 return -1; 1446 } 1447 1448 private RecipientChip findChip(int offset) { 1449 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1450 // Find the chip that contains this offset. 1451 for (int i = 0; i < chips.length; i++) { 1452 RecipientChip chip = chips[i]; 1453 int start = getChipStart(chip); 1454 int end = getChipEnd(chip); 1455 if (offset >= start && offset <= end) { 1456 return chip; 1457 } 1458 } 1459 return null; 1460 } 1461 1462 // Visible for testing. 1463 // Use this method to generate text to add to the list of addresses. 1464 /* package */String createAddressText(RecipientEntry entry) { 1465 String display = entry.getDisplayName(); 1466 String address = entry.getDestination(); 1467 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1468 display = null; 1469 } 1470 String trimmedDisplayText; 1471 if (isPhoneQuery() && isPhoneNumber(address)) { 1472 trimmedDisplayText = address.trim(); 1473 } else { 1474 if (address != null) { 1475 // Tokenize out the address in case the address already 1476 // contained the username as well. 1477 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1478 if (tokenized != null && tokenized.length > 0) { 1479 address = tokenized[0].getAddress(); 1480 } 1481 } 1482 Rfc822Token token = new Rfc822Token(display, address, null); 1483 trimmedDisplayText = token.toString().trim(); 1484 } 1485 int index = trimmedDisplayText.indexOf(","); 1486 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1487 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1488 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1489 } 1490 1491 // Visible for testing. 1492 // Use this method to generate text to display in a chip. 1493 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1494 String display = entry.getDisplayName(); 1495 String address = entry.getDestination(); 1496 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1497 display = null; 1498 } 1499 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1500 // Tokenize out the address in case the address already 1501 // contained the username as well. 1502 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1503 if (tokenized != null && tokenized.length > 0) { 1504 address = tokenized[0].getAddress(); 1505 } 1506 } 1507 if (!TextUtils.isEmpty(display)) { 1508 return display; 1509 } else if (!TextUtils.isEmpty(address)){ 1510 return address; 1511 } else { 1512 return new Rfc822Token(display, address, null).toString(); 1513 } 1514 } 1515 1516 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1517 String displayText = createAddressText(entry); 1518 if (TextUtils.isEmpty(displayText)) { 1519 return null; 1520 } 1521 SpannableString chipText = null; 1522 // Always leave a blank space at the end of a chip. 1523 int end = getSelectionEnd(); 1524 int start = mTokenizer.findTokenStart(getText(), end); 1525 int textLength = displayText.length()-1; 1526 chipText = new SpannableString(displayText); 1527 if (!mNoChips) { 1528 try { 1529 RecipientChip chip = constructChipSpan(entry, start, pressed); 1530 chipText.setSpan(chip, 0, textLength, 1531 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1532 chip.setOriginalText(chipText.toString()); 1533 } catch (NullPointerException e) { 1534 Log.e(TAG, e.getMessage(), e); 1535 return null; 1536 } 1537 } 1538 return chipText; 1539 } 1540 1541 /** 1542 * When an item in the suggestions list has been clicked, create a chip from the 1543 * contact information of the selected item. 1544 */ 1545 @Override 1546 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1547 submitItemAtPosition(position); 1548 } 1549 1550 private void submitItemAtPosition(int position) { 1551 RecipientEntry entry = createValidatedEntry( 1552 (RecipientEntry)getAdapter().getItem(position)); 1553 if (entry == null) { 1554 return; 1555 } 1556 clearComposingText(); 1557 1558 int end = getSelectionEnd(); 1559 int start = mTokenizer.findTokenStart(getText(), end); 1560 1561 Editable editable = getText(); 1562 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1563 CharSequence chip = createChip(entry, false); 1564 if (chip != null && start >= 0 && end >= 0) { 1565 editable.replace(start, end, chip); 1566 } 1567 sanitizeBetween(); 1568 } 1569 1570 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1571 if (item == null) { 1572 return null; 1573 } 1574 final RecipientEntry entry; 1575 // If the display name and the address are the same, or if this is a 1576 // valid contact, but the destination is invalid, then make this a fake 1577 // recipient that is editable. 1578 String destination = item.getDestination(); 1579 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1580 && (TextUtils.isEmpty(item.getDisplayName()) 1581 || TextUtils.equals(item.getDisplayName(), destination) 1582 || (mValidator != null && !mValidator.isValid(destination)))) { 1583 entry = RecipientEntry.constructFakeEntry(destination); 1584 } else { 1585 entry = item; 1586 } 1587 return entry; 1588 } 1589 1590 /** Returns a collection of contact Id for each chip inside this View. */ 1591 /* package */ Collection<Long> getContactIds() { 1592 final Set<Long> result = new HashSet<Long>(); 1593 RecipientChip[] chips = getSortedRecipients(); 1594 if (chips != null) { 1595 for (RecipientChip chip : chips) { 1596 result.add(chip.getContactId()); 1597 } 1598 } 1599 return result; 1600 } 1601 1602 1603 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1604 /* package */ Collection<Long> getDataIds() { 1605 final Set<Long> result = new HashSet<Long>(); 1606 RecipientChip [] chips = getSortedRecipients(); 1607 if (chips != null) { 1608 for (RecipientChip chip : chips) { 1609 result.add(chip.getDataId()); 1610 } 1611 } 1612 return result; 1613 } 1614 1615 // Visible for testing. 1616 /* package */RecipientChip[] getSortedRecipients() { 1617 RecipientChip[] recips = getSpannable() 1618 .getSpans(0, getText().length(), RecipientChip.class); 1619 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1620 .asList(recips)); 1621 final Spannable spannable = getSpannable(); 1622 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1623 1624 @Override 1625 public int compare(RecipientChip first, RecipientChip second) { 1626 int firstStart = spannable.getSpanStart(first); 1627 int secondStart = spannable.getSpanStart(second); 1628 if (firstStart < secondStart) { 1629 return -1; 1630 } else if (firstStart > secondStart) { 1631 return 1; 1632 } else { 1633 return 0; 1634 } 1635 } 1636 }); 1637 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1638 } 1639 1640 @Override 1641 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1642 return false; 1643 } 1644 1645 @Override 1646 public void onDestroyActionMode(ActionMode mode) { 1647 } 1648 1649 @Override 1650 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1651 return false; 1652 } 1653 1654 /** 1655 * No chips are selectable. 1656 */ 1657 @Override 1658 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1659 return false; 1660 } 1661 1662 // Visible for testing. 1663 /* package */ImageSpan getMoreChip() { 1664 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1665 MoreImageSpan.class); 1666 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1667 } 1668 1669 private MoreImageSpan createMoreSpan(int count) { 1670 String moreText = String.format(mMoreItem.getText().toString(), count); 1671 TextPaint morePaint = new TextPaint(getPaint()); 1672 morePaint.setTextSize(mMoreItem.getTextSize()); 1673 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1674 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1675 + mMoreItem.getPaddingRight(); 1676 int height = getLineHeight(); 1677 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1678 Canvas canvas = new Canvas(drawable); 1679 int adjustedHeight = height; 1680 Layout layout = getLayout(); 1681 if (layout != null) { 1682 adjustedHeight -= layout.getLineDescent(0); 1683 } 1684 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1685 1686 Drawable result = new BitmapDrawable(getResources(), drawable); 1687 result.setBounds(0, 0, width, height); 1688 return new MoreImageSpan(result); 1689 } 1690 1691 // Visible for testing. 1692 /*package*/ void createMoreChipPlainText() { 1693 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1694 Editable text = getText(); 1695 int start = 0; 1696 int end = start; 1697 for (int i = 0; i < CHIP_LIMIT; i++) { 1698 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1699 start = end; // move to the next token and get its end. 1700 } 1701 // Now, count total addresses. 1702 start = 0; 1703 int tokenCount = countTokens(text); 1704 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1705 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1706 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1707 text.replace(end, text.length(), chipText); 1708 mMoreChip = moreSpan; 1709 } 1710 1711 // Visible for testing. 1712 /* package */int countTokens(Editable text) { 1713 int tokenCount = 0; 1714 int start = 0; 1715 while (start < text.length()) { 1716 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1717 tokenCount++; 1718 if (start >= text.length()) { 1719 break; 1720 } 1721 } 1722 return tokenCount; 1723 } 1724 1725 /** 1726 * Create the more chip. The more chip is text that replaces any chips that 1727 * do not fit in the pre-defined available space when the 1728 * RecipientEditTextView loses focus. 1729 */ 1730 // Visible for testing. 1731 /* package */ void createMoreChip() { 1732 if (mNoChips) { 1733 createMoreChipPlainText(); 1734 return; 1735 } 1736 1737 if (!mShouldShrink) { 1738 return; 1739 } 1740 1741 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1742 if (tempMore.length > 0) { 1743 getSpannable().removeSpan(tempMore[0]); 1744 } 1745 RecipientChip[] recipients = getSortedRecipients(); 1746 1747 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1748 mMoreChip = null; 1749 return; 1750 } 1751 Spannable spannable = getSpannable(); 1752 int numRecipients = recipients.length; 1753 int overage = numRecipients - CHIP_LIMIT; 1754 MoreImageSpan moreSpan = createMoreSpan(overage); 1755 mRemovedSpans = new ArrayList<RecipientChip>(); 1756 int totalReplaceStart = 0; 1757 int totalReplaceEnd = 0; 1758 Editable text = getText(); 1759 for (int i = numRecipients - overage; i < recipients.length; i++) { 1760 mRemovedSpans.add(recipients[i]); 1761 if (i == numRecipients - overage) { 1762 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1763 } 1764 if (i == recipients.length - 1) { 1765 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1766 } 1767 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1768 int spanStart = spannable.getSpanStart(recipients[i]); 1769 int spanEnd = spannable.getSpanEnd(recipients[i]); 1770 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1771 } 1772 spannable.removeSpan(recipients[i]); 1773 } 1774 if (totalReplaceEnd < text.length()) { 1775 totalReplaceEnd = text.length(); 1776 } 1777 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1778 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1779 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1780 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1781 text.replace(start, end, chipText); 1782 mMoreChip = moreSpan; 1783 } 1784 1785 /** 1786 * Replace the more chip, if it exists, with all of the recipient chips it had 1787 * replaced when the RecipientEditTextView gains focus. 1788 */ 1789 // Visible for testing. 1790 /*package*/ void removeMoreChip() { 1791 if (mMoreChip != null) { 1792 Spannable span = getSpannable(); 1793 span.removeSpan(mMoreChip); 1794 mMoreChip = null; 1795 // Re-add the spans that were removed. 1796 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1797 // Recreate each removed span. 1798 RecipientChip[] recipients = getSortedRecipients(); 1799 // Start the search for tokens after the last currently visible 1800 // chip. 1801 if (recipients == null || recipients.length == 0) { 1802 return; 1803 } 1804 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1805 Editable editable = getText(); 1806 for (RecipientChip chip : mRemovedSpans) { 1807 int chipStart; 1808 int chipEnd; 1809 String token; 1810 // Need to find the location of the chip, again. 1811 token = (String) chip.getOriginalText(); 1812 // As we find the matching recipient for the remove spans, 1813 // reduce the size of the string we need to search. 1814 // That way, if there are duplicates, we always find the correct 1815 // recipient. 1816 chipStart = editable.toString().indexOf(token, end); 1817 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1818 // Only set the span if we found a matching token. 1819 if (chipStart != -1) { 1820 editable.setSpan(chip, chipStart, chipEnd, 1821 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1822 } 1823 } 1824 mRemovedSpans.clear(); 1825 } 1826 } 1827 } 1828 1829 /** 1830 * Show specified chip as selected. If the RecipientChip is just an email address, 1831 * selecting the chip will take the contents of the chip and place it at 1832 * the end of the RecipientEditTextView for inline editing. If the 1833 * RecipientChip is a complete contact, then selecting the chip 1834 * will change the background color of the chip, show the delete icon, 1835 * and a popup window with the address in use highlighted and any other 1836 * alternate addresses for the contact. 1837 * @param currentChip Chip to select. 1838 * @return A RecipientChip in the selected state or null if the chip 1839 * just contained an email address. 1840 */ 1841 private RecipientChip selectChip(RecipientChip currentChip) { 1842 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1843 CharSequence text = currentChip.getValue(); 1844 Editable editable = getText(); 1845 removeChip(currentChip); 1846 editable.append(text); 1847 setCursorVisible(true); 1848 setSelection(editable.length()); 1849 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1850 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1851 int start = getChipStart(currentChip); 1852 int end = getChipEnd(currentChip); 1853 getSpannable().removeSpan(currentChip); 1854 RecipientChip newChip; 1855 try { 1856 if (mNoChips) { 1857 return null; 1858 } 1859 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1860 } catch (NullPointerException e) { 1861 Log.e(TAG, e.getMessage(), e); 1862 return null; 1863 } 1864 Editable editable = getText(); 1865 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1866 if (start == -1 || end == -1) { 1867 Log.d(TAG, "The chip being selected no longer exists but should."); 1868 } else { 1869 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1870 } 1871 newChip.setSelected(true); 1872 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1873 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1874 } 1875 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1876 setCursorVisible(false); 1877 return newChip; 1878 } else { 1879 int start = getChipStart(currentChip); 1880 int end = getChipEnd(currentChip); 1881 getSpannable().removeSpan(currentChip); 1882 RecipientChip newChip; 1883 try { 1884 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1885 } catch (NullPointerException e) { 1886 Log.e(TAG, e.getMessage(), e); 1887 return null; 1888 } 1889 Editable editable = getText(); 1890 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1891 if (start == -1 || end == -1) { 1892 Log.d(TAG, "The chip being selected no longer exists but should."); 1893 } else { 1894 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1895 } 1896 newChip.setSelected(true); 1897 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1898 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1899 } 1900 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1901 setCursorVisible(false); 1902 return newChip; 1903 } 1904 } 1905 1906 1907 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1908 int width, Context context) { 1909 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1910 int bottom = calculateOffsetFromBottom(line); 1911 // Align the alternates popup with the left side of the View, 1912 // regardless of the position of the chip tapped. 1913 popup.setWidth(width); 1914 popup.setAnchorView(this); 1915 popup.setVerticalOffset(bottom); 1916 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1917 popup.setOnItemClickListener(new OnItemClickListener() { 1918 @Override 1919 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1920 unselectChip(currentChip); 1921 popup.dismiss(); 1922 } 1923 }); 1924 popup.show(); 1925 ListView listView = popup.getListView(); 1926 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1927 listView.setItemChecked(0, true); 1928 } 1929 1930 /** 1931 * Remove selection from this chip. Unselecting a RecipientChip will render 1932 * the chip without a delete icon and with an unfocused background. This is 1933 * called when the RecipientChip no longer has focus. 1934 */ 1935 private void unselectChip(RecipientChip chip) { 1936 int start = getChipStart(chip); 1937 int end = getChipEnd(chip); 1938 Editable editable = getText(); 1939 mSelectedChip = null; 1940 if (start == -1 || end == -1) { 1941 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1942 setSelection(editable.length()); 1943 commitDefault(); 1944 } else { 1945 getSpannable().removeSpan(chip); 1946 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1947 editable.removeSpan(chip); 1948 try { 1949 if (!mNoChips) { 1950 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1951 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1952 } 1953 } catch (NullPointerException e) { 1954 Log.e(TAG, e.getMessage(), e); 1955 } 1956 } 1957 setCursorVisible(true); 1958 setSelection(editable.length()); 1959 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1960 mAlternatesPopup.dismiss(); 1961 } 1962 } 1963 1964 /** 1965 * Return whether a touch event was inside the delete target of 1966 * a selected chip. It is in the delete target if: 1967 * 1) the x and y points of the event are within the 1968 * delete assset. 1969 * 2) the point tapped would have caused a cursor to appear 1970 * right after the selected chip. 1971 * @return boolean 1972 */ 1973 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1974 // Figure out the bounds of this chip and whether or not 1975 // the user clicked in the X portion. 1976 return chip.isSelected() && offset == getChipEnd(chip); 1977 } 1978 1979 /** 1980 * Remove the chip and any text associated with it from the RecipientEditTextView. 1981 */ 1982 // Visible for testing. 1983 /*pacakge*/ void removeChip(RecipientChip chip) { 1984 Spannable spannable = getSpannable(); 1985 int spanStart = spannable.getSpanStart(chip); 1986 int spanEnd = spannable.getSpanEnd(chip); 1987 Editable text = getText(); 1988 int toDelete = spanEnd; 1989 boolean wasSelected = chip == mSelectedChip; 1990 // Clear that there is a selected chip before updating any text. 1991 if (wasSelected) { 1992 mSelectedChip = null; 1993 } 1994 // Always remove trailing spaces when removing a chip. 1995 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1996 toDelete++; 1997 } 1998 spannable.removeSpan(chip); 1999 if (spanStart >= 0 && toDelete > 0) { 2000 text.delete(spanStart, toDelete); 2001 } 2002 if (wasSelected) { 2003 clearSelectedChip(); 2004 } 2005 } 2006 2007 /** 2008 * Replace this currently selected chip with a new chip 2009 * that uses the contact data provided. 2010 */ 2011 // Visible for testing. 2012 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2013 boolean wasSelected = chip == mSelectedChip; 2014 if (wasSelected) { 2015 mSelectedChip = null; 2016 } 2017 int start = getChipStart(chip); 2018 int end = getChipEnd(chip); 2019 getSpannable().removeSpan(chip); 2020 Editable editable = getText(); 2021 CharSequence chipText = createChip(entry, false); 2022 if (chipText != null) { 2023 if (start == -1 || end == -1) { 2024 Log.e(TAG, "The chip to replace does not exist but should."); 2025 editable.insert(0, chipText); 2026 } else { 2027 if (!TextUtils.isEmpty(chipText)) { 2028 // There may be a space to replace with this chip's new 2029 // associated 2030 // space. Check for it 2031 int toReplace = end; 2032 while (toReplace >= 0 && toReplace < editable.length() 2033 && editable.charAt(toReplace) == ' ') { 2034 toReplace++; 2035 } 2036 editable.replace(start, toReplace, chipText); 2037 } 2038 } 2039 } 2040 setCursorVisible(true); 2041 if (wasSelected) { 2042 clearSelectedChip(); 2043 } 2044 } 2045 2046 /** 2047 * Handle click events for a chip. When a selected chip receives a click 2048 * event, see if that event was in the delete icon. If so, delete it. 2049 * Otherwise, unselect the chip. 2050 */ 2051 public void onClick(RecipientChip chip, int offset, float x, float y) { 2052 if (chip.isSelected()) { 2053 if (isInDelete(chip, offset, x, y)) { 2054 removeChip(chip); 2055 } else { 2056 clearSelectedChip(); 2057 } 2058 } 2059 } 2060 2061 private boolean chipsPending() { 2062 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2063 } 2064 2065 @Override 2066 public void removeTextChangedListener(TextWatcher watcher) { 2067 mTextWatcher = null; 2068 super.removeTextChangedListener(watcher); 2069 } 2070 2071 private class RecipientTextWatcher implements TextWatcher { 2072 2073 @Override 2074 public void afterTextChanged(Editable s) { 2075 // If the text has been set to null or empty, make sure we remove 2076 // all the spans we applied. 2077 if (TextUtils.isEmpty(s)) { 2078 // Remove all the chips spans. 2079 Spannable spannable = getSpannable(); 2080 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2081 RecipientChip.class); 2082 for (RecipientChip chip : chips) { 2083 spannable.removeSpan(chip); 2084 } 2085 if (mMoreChip != null) { 2086 spannable.removeSpan(mMoreChip); 2087 } 2088 return; 2089 } 2090 // Get whether there are any recipients pending addition to the 2091 // view. If there are, don't do anything in the text watcher. 2092 if (chipsPending()) { 2093 return; 2094 } 2095 // If the user is editing a chip, don't clear it. 2096 if (mSelectedChip != null 2097 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2098 setCursorVisible(true); 2099 setSelection(getText().length()); 2100 clearSelectedChip(); 2101 } 2102 int length = s.length(); 2103 // Make sure there is content there to parse and that it is 2104 // not just the commit character. 2105 if (length > 1) { 2106 char last; 2107 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2108 int len = length() - 1; 2109 if (end != len) { 2110 last = s.charAt(end); 2111 } else { 2112 last = s.charAt(len); 2113 } 2114 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2115 commitByCharacter(); 2116 } else if (last == COMMIT_CHAR_SPACE) { 2117 if (!isPhoneQuery()) { 2118 // Check if this is a valid email address. If it is, 2119 // commit it. 2120 String text = getText().toString(); 2121 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2122 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2123 tokenStart)); 2124 if (!TextUtils.isEmpty(sub) && mValidator != null && 2125 mValidator.isValid(sub)) { 2126 commitByCharacter(); 2127 } 2128 } 2129 } 2130 } 2131 } 2132 2133 @Override 2134 public void onTextChanged(CharSequence s, int start, int before, int count) { 2135 // This is a delete; check to see if the insertion point is on a space 2136 // following a chip. 2137 if (before > count) { 2138 // If the item deleted is a space, and the thing before the 2139 // space is a chip, delete the entire span. 2140 int selStart = getSelectionStart(); 2141 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2142 RecipientChip.class); 2143 if (repl.length > 0) { 2144 // There is a chip there! Just remove it. 2145 Editable editable = getText(); 2146 // Add the separator token. 2147 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2148 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2149 tokenEnd = tokenEnd + 1; 2150 if (tokenEnd > editable.length()) { 2151 tokenEnd = editable.length(); 2152 } 2153 editable.delete(tokenStart, tokenEnd); 2154 getSpannable().removeSpan(repl[0]); 2155 } 2156 } else if (count > before) { 2157 scrollBottomIntoView(); 2158 } 2159 } 2160 2161 @Override 2162 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2163 // Do nothing. 2164 } 2165 } 2166 2167 private void scrollBottomIntoView() { 2168 if (mScrollView != null) { 2169 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2170 } 2171 } 2172 2173 /** 2174 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2175 */ 2176 private void handlePasteClip(ClipData clip) { 2177 removeTextChangedListener(mTextWatcher); 2178 2179 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2180 for (int i = 0; i < clip.getItemCount(); i++) { 2181 CharSequence paste = clip.getItemAt(i).getText(); 2182 if (paste != null) { 2183 int start = getSelectionStart(); 2184 int end = getSelectionEnd(); 2185 Editable editable = getText(); 2186 if (start >= 0 && end >= 0 && start != end) { 2187 editable.append(paste, start, end); 2188 } else { 2189 editable.insert(end, paste); 2190 } 2191 handlePasteAndReplace(); 2192 } 2193 } 2194 } 2195 2196 mHandler.post(mAddTextWatcher); 2197 } 2198 2199 @Override 2200 public boolean onTextContextMenuItem(int id) { 2201 if (id == android.R.id.paste) { 2202 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2203 Context.CLIPBOARD_SERVICE); 2204 handlePasteClip(clipboard.getPrimaryClip()); 2205 return true; 2206 } 2207 return super.onTextContextMenuItem(id); 2208 } 2209 2210 private void handlePasteAndReplace() { 2211 ArrayList<RecipientChip> created = handlePaste(); 2212 if (created != null && created.size() > 0) { 2213 // Perform reverse lookups on the pasted contacts. 2214 IndividualReplacementTask replace = new IndividualReplacementTask(); 2215 replace.execute(created); 2216 } 2217 } 2218 2219 // Visible for testing. 2220 /* package */ArrayList<RecipientChip> handlePaste() { 2221 String text = getText().toString(); 2222 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2223 String lastAddress = text.substring(originalTokenStart); 2224 int tokenStart = originalTokenStart; 2225 int prevTokenStart = tokenStart; 2226 RecipientChip findChip = null; 2227 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2228 if (tokenStart != 0) { 2229 // There are things before this! 2230 while (tokenStart != 0 && findChip == null) { 2231 prevTokenStart = tokenStart; 2232 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2233 findChip = findChip(tokenStart); 2234 } 2235 if (tokenStart != originalTokenStart) { 2236 if (findChip != null) { 2237 tokenStart = prevTokenStart; 2238 } 2239 int tokenEnd; 2240 RecipientChip createdChip; 2241 while (tokenStart < originalTokenStart) { 2242 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2243 commitChip(tokenStart, tokenEnd, getText()); 2244 createdChip = findChip(tokenStart); 2245 if (createdChip == null) { 2246 break; 2247 } 2248 // +1 for the space at the end. 2249 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2250 created.add(createdChip); 2251 } 2252 } 2253 } 2254 // Take a look at the last token. If the token has been completed with a 2255 // commit character, create a chip. 2256 if (isCompletedToken(lastAddress)) { 2257 Editable editable = getText(); 2258 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2259 commitChip(tokenStart, editable.length(), editable); 2260 created.add(findChip(tokenStart)); 2261 } 2262 return created; 2263 } 2264 2265 // Visible for testing. 2266 /* package */int movePastTerminators(int tokenEnd) { 2267 if (tokenEnd >= length()) { 2268 return tokenEnd; 2269 } 2270 char atEnd = getText().toString().charAt(tokenEnd); 2271 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2272 tokenEnd++; 2273 } 2274 // This token had not only an end token character, but also a space 2275 // separating it from the next token. 2276 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2277 tokenEnd++; 2278 } 2279 return tokenEnd; 2280 } 2281 2282 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2283 private RecipientChip createFreeChip(RecipientEntry entry) { 2284 try { 2285 if (mNoChips) { 2286 return null; 2287 } 2288 return constructChipSpan(entry, -1, false); 2289 } catch (NullPointerException e) { 2290 Log.e(TAG, e.getMessage(), e); 2291 return null; 2292 } 2293 } 2294 2295 @Override 2296 protected Void doInBackground(Void... params) { 2297 if (mIndividualReplacements != null) { 2298 mIndividualReplacements.cancel(true); 2299 } 2300 // For each chip in the list, look up the matching contact. 2301 // If there is a match, replace that chip with the matching 2302 // chip. 2303 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2304 RecipientChip[] existingChips = getSortedRecipients(); 2305 for (int i = 0; i < existingChips.length; i++) { 2306 originalRecipients.add(existingChips[i]); 2307 } 2308 if (mRemovedSpans != null) { 2309 originalRecipients.addAll(mRemovedSpans); 2310 } 2311 ArrayList<String> addresses = new ArrayList<String>(); 2312 RecipientChip chip; 2313 for (int i = 0; i < originalRecipients.size(); i++) { 2314 chip = originalRecipients.get(i); 2315 if (chip != null) { 2316 addresses.add(createAddressText(chip.getEntry())); 2317 } 2318 } 2319 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2320 .getMatchingRecipients(getContext(), addresses); 2321 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2322 for (final RecipientChip temp : originalRecipients) { 2323 RecipientEntry entry = null; 2324 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2325 && getSpannable().getSpanStart(temp) != -1) { 2326 // Replace this. 2327 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2328 .getDestination()))); 2329 } 2330 if (entry != null) { 2331 replacements.add(createFreeChip(entry)); 2332 } else { 2333 replacements.add(temp); 2334 } 2335 } 2336 if (replacements != null && replacements.size() > 0) { 2337 mHandler.post(new Runnable() { 2338 @Override 2339 public void run() { 2340 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2341 .toString()); 2342 Editable oldText = getText(); 2343 int start, end; 2344 int i = 0; 2345 for (RecipientChip chip : originalRecipients) { 2346 start = oldText.getSpanStart(chip); 2347 if (start != -1) { 2348 end = oldText.getSpanEnd(chip); 2349 oldText.removeSpan(chip); 2350 // Leave a spot for the space! 2351 RecipientChip replacement = replacements.get(i); 2352 text.setSpan(replacement, start, end, 2353 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2354 replacement.setOriginalText(text.toString().substring(start, end)); 2355 } 2356 i++; 2357 } 2358 originalRecipients.clear(); 2359 setText(text); 2360 } 2361 }); 2362 } 2363 return null; 2364 } 2365 } 2366 2367 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2368 @SuppressWarnings("unchecked") 2369 @Override 2370 protected Void doInBackground(Object... params) { 2371 // For each chip in the list, look up the matching contact. 2372 // If there is a match, replace that chip with the matching 2373 // chip. 2374 final ArrayList<RecipientChip> originalRecipients = 2375 (ArrayList<RecipientChip>) params[0]; 2376 ArrayList<String> addresses = new ArrayList<String>(); 2377 RecipientChip chip; 2378 for (int i = 0; i < originalRecipients.size(); i++) { 2379 chip = originalRecipients.get(i); 2380 if (chip != null) { 2381 addresses.add(createAddressText(chip.getEntry())); 2382 } 2383 } 2384 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2385 .getMatchingRecipients(getContext(), addresses); 2386 for (final RecipientChip temp : originalRecipients) { 2387 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2388 && getSpannable().getSpanStart(temp) != -1) { 2389 // Replace this. 2390 final RecipientEntry entry = createValidatedEntry(entries 2391 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2392 if (entry != null) { 2393 mHandler.post(new Runnable() { 2394 @Override 2395 public void run() { 2396 replaceChip(temp, entry); 2397 } 2398 }); 2399 } 2400 } 2401 } 2402 return null; 2403 } 2404 } 2405 2406 2407 /** 2408 * MoreImageSpan is a simple class created for tracking the existence of a 2409 * more chip across activity restarts/ 2410 */ 2411 private class MoreImageSpan extends ImageSpan { 2412 public MoreImageSpan(Drawable b) { 2413 super(b); 2414 } 2415 } 2416 2417 @Override 2418 public boolean onDown(MotionEvent e) { 2419 return false; 2420 } 2421 2422 @Override 2423 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2424 // Do nothing. 2425 return false; 2426 } 2427 2428 @Override 2429 public void onLongPress(MotionEvent event) { 2430 if (mSelectedChip != null) { 2431 return; 2432 } 2433 float x = event.getX(); 2434 float y = event.getY(); 2435 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2436 RecipientChip currentChip = findChip(offset); 2437 if (currentChip != null) { 2438 if (mDragEnabled) { 2439 // Start drag-and-drop for the selected chip. 2440 startDrag(currentChip); 2441 } else { 2442 // Copy the selected chip email address. 2443 showCopyDialog(currentChip.getEntry().getDestination()); 2444 } 2445 } 2446 } 2447 2448 /** 2449 * Enables drag-and-drop for chips. 2450 */ 2451 public void enableDrag() { 2452 mDragEnabled = true; 2453 } 2454 2455 /** 2456 * Starts drag-and-drop for the selected chip. 2457 */ 2458 private void startDrag(RecipientChip currentChip) { 2459 String address = currentChip.getEntry().getDestination(); 2460 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2461 2462 // Start drag mode. 2463 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2464 2465 // Remove the current chip, so drag-and-drop will result in a move. 2466 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2467 removeChip(currentChip); 2468 } 2469 2470 /** 2471 * Handles drag event. 2472 */ 2473 @Override 2474 public boolean onDragEvent(DragEvent event) { 2475 switch (event.getAction()) { 2476 case DragEvent.ACTION_DRAG_STARTED: 2477 // Only handle plain text drag and drop. 2478 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2479 case DragEvent.ACTION_DRAG_ENTERED: 2480 requestFocus(); 2481 return true; 2482 case DragEvent.ACTION_DROP: 2483 handlePasteClip(event.getClipData()); 2484 return true; 2485 } 2486 return false; 2487 } 2488 2489 /** 2490 * Drag shadow for a {@link RecipientChip}. 2491 */ 2492 private final class RecipientChipShadow extends DragShadowBuilder { 2493 private final RecipientChip mChip; 2494 2495 public RecipientChipShadow(RecipientChip chip) { 2496 mChip = chip; 2497 } 2498 2499 @Override 2500 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2501 Rect rect = mChip.getDrawable().getBounds(); 2502 shadowSize.set(rect.width(), rect.height()); 2503 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2504 } 2505 2506 @Override 2507 public void onDrawShadow(Canvas canvas) { 2508 mChip.getDrawable().draw(canvas); 2509 } 2510 } 2511 2512 private void showCopyDialog(final String address) { 2513 mCopyAddress = address; 2514 mCopyDialog.setTitle(address); 2515 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2516 mCopyDialog.setCancelable(true); 2517 mCopyDialog.setCanceledOnTouchOutside(true); 2518 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2519 button.setOnClickListener(this); 2520 int btnTitleId; 2521 if (isPhoneQuery()) { 2522 btnTitleId = R.string.copy_number; 2523 } else { 2524 btnTitleId = R.string.copy_email; 2525 } 2526 String buttonTitle = getContext().getResources().getString(btnTitleId); 2527 button.setText(buttonTitle); 2528 mCopyDialog.setOnDismissListener(this); 2529 mCopyDialog.show(); 2530 } 2531 2532 @Override 2533 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2534 // Do nothing. 2535 return false; 2536 } 2537 2538 @Override 2539 public void onShowPress(MotionEvent e) { 2540 // Do nothing. 2541 } 2542 2543 @Override 2544 public boolean onSingleTapUp(MotionEvent e) { 2545 // Do nothing. 2546 return false; 2547 } 2548 2549 @Override 2550 public void onDismiss(DialogInterface dialog) { 2551 mCopyAddress = null; 2552 } 2553 2554 @Override 2555 public void onClick(View v) { 2556 // Copy this to the clipboard. 2557 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2558 Context.CLIPBOARD_SERVICE); 2559 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2560 mCopyDialog.dismiss(); 2561 } 2562 2563 protected boolean isPhoneQuery() { 2564 return getAdapter() != null 2565 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2566 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2567 } 2568} 2569