RecipientEditTextView.java revision 168c284055805f84a054f8a52c60ef2cb37a6dae
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 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 927 String display = null; 928 if (isPhoneQuery()) { 929 // The number often arrives as "(800) 123-1231, ". 930 // Trim the space and trailing comma if necessary. 931 token = token.trim(); 932 char charAt = token.charAt(token.length() - 1); 933 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 934 token = token.substring(0, token.length() - 1); 935 } 936 937 // look for something that looks like a phone number. At this point, the original 938 // token might have looked like this: "Fred Flinstone <(800) 425-2323>" 939 if (!isPhoneNumber(token) && isValid(token) && tokens != null && tokens.length > 0) { 940 for (int i = 0; i < tokens.length; i++) { 941 // If we can get a phone number from tokenizing, then generate an entry from 942 // this. 943 display = tokens[i].getName(); 944 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 945 return RecipientEntry.constructGeneratedEntry(display, display); 946 } else { 947 display = tokens[i].getAddress(); 948 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 949 return RecipientEntry.constructFakeEntry(display); 950 } 951 } 952 } 953 } 954 // If the original token is a phone number to start with or as a last resort, use the 955 // original token. 956 return RecipientEntry.constructFakeEntry(token); 957 } 958 if (isValid(token) && tokens != null && tokens.length > 0) { 959 // If we can get a name from tokenizing, then generate an entry from 960 // this. 961 display = tokens[0].getName(); 962 if (!TextUtils.isEmpty(display)) { 963 return RecipientEntry.constructGeneratedEntry(display, token); 964 } else { 965 display = tokens[0].getAddress(); 966 if (!TextUtils.isEmpty(display)) { 967 return RecipientEntry.constructFakeEntry(display); 968 } 969 } 970 } 971 // Unable to validate the token or to create a valid token from it. 972 // Just create a chip the user can edit. 973 String validatedToken = null; 974 if (mValidator != null && !mValidator.isValid(token)) { 975 // Try fixing up the entry using the validator. 976 validatedToken = mValidator.fixText(token).toString(); 977 if (!TextUtils.isEmpty(validatedToken)) { 978 if (validatedToken.contains(token)) { 979 // protect against the case of a validator with a null domain, 980 // which doesn't add a domain to the token 981 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 982 if (tokenized.length > 0) { 983 validatedToken = tokenized[0].getAddress(); 984 } 985 } else { 986 // We ran into a case where the token was invalid and removed 987 // by the validator. In this case, just use the original token 988 // and let the user sort out the error chip. 989 validatedToken = null; 990 } 991 } 992 } 993 // Otherwise, fallback to just creating an editable email address chip. 994 return RecipientEntry 995 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 996 } 997 998 private boolean isValid(String text) { 999 return mValidator == null ? true : mValidator.isValid(text); 1000 } 1001 1002 private String tokenizeAddress(String destination) { 1003 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1004 if (tokens != null && tokens.length > 0) { 1005 return tokens[0].getAddress(); 1006 } 1007 return destination; 1008 } 1009 1010 @Override 1011 public void setTokenizer(Tokenizer tokenizer) { 1012 mTokenizer = tokenizer; 1013 super.setTokenizer(mTokenizer); 1014 } 1015 1016 @Override 1017 public void setValidator(Validator validator) { 1018 mValidator = validator; 1019 super.setValidator(validator); 1020 } 1021 1022 /** 1023 * We cannot use the default mechanism for replaceText. Instead, 1024 * we override onItemClickListener so we can get all the associated 1025 * contact information including display text, address, and id. 1026 */ 1027 @Override 1028 protected void replaceText(CharSequence text) { 1029 return; 1030 } 1031 1032 /** 1033 * Dismiss any selected chips when the back key is pressed. 1034 */ 1035 @Override 1036 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1037 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1038 clearSelectedChip(); 1039 return true; 1040 } 1041 return super.onKeyPreIme(keyCode, event); 1042 } 1043 1044 /** 1045 * Monitor key presses in this view to see if the user types 1046 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1047 * If the user has entered text that has contact matches and types 1048 * a commit key, create a chip from the topmost matching contact. 1049 * If the user has entered text that has no contact matches and types 1050 * a commit key, then create a chip from the text they have entered. 1051 */ 1052 @Override 1053 public boolean onKeyUp(int keyCode, KeyEvent event) { 1054 switch (keyCode) { 1055 case KeyEvent.KEYCODE_ENTER: 1056 case KeyEvent.KEYCODE_DPAD_CENTER: 1057 if (event.hasNoModifiers()) { 1058 if (commitDefault()) { 1059 return true; 1060 } 1061 if (mSelectedChip != null) { 1062 clearSelectedChip(); 1063 return true; 1064 } else if (focusNext()) { 1065 return true; 1066 } 1067 } 1068 break; 1069 case KeyEvent.KEYCODE_TAB: 1070 if (event.hasNoModifiers()) { 1071 if (mSelectedChip != null) { 1072 clearSelectedChip(); 1073 } else { 1074 commitDefault(); 1075 } 1076 if (focusNext()) { 1077 return true; 1078 } 1079 } 1080 break; 1081 } 1082 return super.onKeyUp(keyCode, event); 1083 } 1084 1085 private boolean focusNext() { 1086 View next = focusSearch(View.FOCUS_DOWN); 1087 if (next != null) { 1088 next.requestFocus(); 1089 return true; 1090 } 1091 return false; 1092 } 1093 1094 /** 1095 * Create a chip from the default selection. If the popup is showing, the 1096 * default is the first item in the popup suggestions list. Otherwise, it is 1097 * whatever the user had typed in. End represents where the the tokenizer 1098 * should search for a token to turn into a chip. 1099 * @return If a chip was created from a real contact. 1100 */ 1101 private boolean commitDefault() { 1102 // If there is no tokenizer, don't try to commit. 1103 if (mTokenizer == null) { 1104 return false; 1105 } 1106 Editable editable = getText(); 1107 int end = getSelectionEnd(); 1108 int start = mTokenizer.findTokenStart(editable, end); 1109 1110 if (shouldCreateChip(start, end)) { 1111 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1112 // In the middle of chip; treat this as an edit 1113 // and commit the whole token. 1114 if (whatEnd != getSelectionEnd()) { 1115 handleEdit(start, whatEnd); 1116 return true; 1117 } 1118 return commitChip(start, end , editable); 1119 } 1120 return false; 1121 } 1122 1123 private void commitByCharacter() { 1124 // We can't possibly commit by character if we can't tokenize. 1125 if (mTokenizer == null) { 1126 return; 1127 } 1128 Editable editable = getText(); 1129 int end = getSelectionEnd(); 1130 int start = mTokenizer.findTokenStart(editable, end); 1131 if (shouldCreateChip(start, end)) { 1132 commitChip(start, end, editable); 1133 } 1134 setSelection(getText().length()); 1135 } 1136 1137 private boolean commitChip(int start, int end, Editable editable) { 1138 ListAdapter adapter = getAdapter(); 1139 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1140 && end == getSelectionEnd() && !isPhoneQuery()) { 1141 // choose the first entry. 1142 submitItemAtPosition(0); 1143 dismissDropDown(); 1144 return true; 1145 } else { 1146 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1147 if (editable.length() > tokenEnd + 1) { 1148 char charAt = editable.charAt(tokenEnd + 1); 1149 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1150 tokenEnd++; 1151 } 1152 } 1153 String text = editable.toString().substring(start, tokenEnd).trim(); 1154 clearComposingText(); 1155 if (text != null && text.length() > 0 && !text.equals(" ")) { 1156 RecipientEntry entry = createTokenizedEntry(text); 1157 if (entry != null) { 1158 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1159 CharSequence chipText = createChip(entry, false); 1160 if (chipText != null && start > -1 && end > -1) { 1161 editable.replace(start, end, chipText); 1162 } 1163 } 1164 // Only dismiss the dropdown if it is related to the text we 1165 // just committed. 1166 // For paste, it may not be as there are possibly multiple 1167 // tokens being added. 1168 if (end == getSelectionEnd()) { 1169 dismissDropDown(); 1170 } 1171 sanitizeBetween(); 1172 return true; 1173 } 1174 } 1175 return false; 1176 } 1177 1178 // Visible for testing. 1179 /* package */ void sanitizeBetween() { 1180 // Don't sanitize while we are waiting for content to chipify. 1181 if (mPendingChipsCount > 0) { 1182 return; 1183 } 1184 // Find the last chip. 1185 RecipientChip[] recips = getSortedRecipients(); 1186 if (recips != null && recips.length > 0) { 1187 RecipientChip last = recips[recips.length - 1]; 1188 RecipientChip beforeLast = null; 1189 if (recips.length > 1) { 1190 beforeLast = recips[recips.length - 2]; 1191 } 1192 int startLooking = 0; 1193 int end = getSpannable().getSpanStart(last); 1194 if (beforeLast != null) { 1195 startLooking = getSpannable().getSpanEnd(beforeLast); 1196 Editable text = getText(); 1197 if (startLooking == -1 || startLooking > text.length() - 1) { 1198 // There is nothing after this chip. 1199 return; 1200 } 1201 if (text.charAt(startLooking) == ' ') { 1202 startLooking++; 1203 } 1204 } 1205 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1206 getText().delete(startLooking, end); 1207 } 1208 } 1209 } 1210 1211 private boolean shouldCreateChip(int start, int end) { 1212 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1213 } 1214 1215 private boolean alreadyHasChip(int start, int end) { 1216 if (mNoChips) { 1217 return true; 1218 } 1219 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1220 if ((chips == null || chips.length == 0)) { 1221 return false; 1222 } 1223 return true; 1224 } 1225 1226 private void handleEdit(int start, int end) { 1227 if (start == -1 || end == -1) { 1228 // This chip no longer exists in the field. 1229 dismissDropDown(); 1230 return; 1231 } 1232 // This is in the middle of a chip, so select out the whole chip 1233 // and commit it. 1234 Editable editable = getText(); 1235 setSelection(end); 1236 String text = getText().toString().substring(start, end); 1237 if (!TextUtils.isEmpty(text)) { 1238 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1239 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1240 CharSequence chipText = createChip(entry, false); 1241 int selEnd = getSelectionEnd(); 1242 if (chipText != null && start > -1 && selEnd > -1) { 1243 editable.replace(start, selEnd, chipText); 1244 } 1245 } 1246 dismissDropDown(); 1247 } 1248 1249 /** 1250 * If there is a selected chip, delegate the key events 1251 * to the selected chip. 1252 */ 1253 @Override 1254 public boolean onKeyDown(int keyCode, KeyEvent event) { 1255 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1256 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1257 mAlternatesPopup.dismiss(); 1258 } 1259 removeChip(mSelectedChip); 1260 } 1261 1262 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1263 return true; 1264 } 1265 1266 return super.onKeyDown(keyCode, event); 1267 } 1268 1269 // Visible for testing. 1270 /* package */ Spannable getSpannable() { 1271 return getText(); 1272 } 1273 1274 private int getChipStart(RecipientChip chip) { 1275 return getSpannable().getSpanStart(chip); 1276 } 1277 1278 private int getChipEnd(RecipientChip chip) { 1279 return getSpannable().getSpanEnd(chip); 1280 } 1281 1282 /** 1283 * Instead of filtering on the entire contents of the edit box, 1284 * this subclass method filters on the range from 1285 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1286 * if the length of that range meets or exceeds {@link #getThreshold} 1287 * and makes sure that the range is not already a Chip. 1288 */ 1289 @Override 1290 protected void performFiltering(CharSequence text, int keyCode) { 1291 if (enoughToFilter() && !isCompletedToken(text)) { 1292 int end = getSelectionEnd(); 1293 int start = mTokenizer.findTokenStart(text, end); 1294 // If this is a RecipientChip, don't filter 1295 // on its contents. 1296 Spannable span = getSpannable(); 1297 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1298 if (chips != null && chips.length > 0) { 1299 return; 1300 } 1301 } 1302 super.performFiltering(text, keyCode); 1303 } 1304 1305 // Visible for testing. 1306 /*package*/ boolean isCompletedToken(CharSequence text) { 1307 if (TextUtils.isEmpty(text)) { 1308 return false; 1309 } 1310 // Check to see if this is a completed token before filtering. 1311 int end = text.length(); 1312 int start = mTokenizer.findTokenStart(text, end); 1313 String token = text.toString().substring(start, end).trim(); 1314 if (!TextUtils.isEmpty(token)) { 1315 char atEnd = token.charAt(token.length() - 1); 1316 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1317 } 1318 return false; 1319 } 1320 1321 private void clearSelectedChip() { 1322 if (mSelectedChip != null) { 1323 unselectChip(mSelectedChip); 1324 mSelectedChip = null; 1325 } 1326 setCursorVisible(true); 1327 } 1328 1329 /** 1330 * Monitor touch events in the RecipientEditTextView. 1331 * If the view does not have focus, any tap on the view 1332 * will just focus the view. If the view has focus, determine 1333 * if the touch target is a recipient chip. If it is and the chip 1334 * is not selected, select it and clear any other selected chips. 1335 * If it isn't, then select that chip. 1336 */ 1337 @Override 1338 public boolean onTouchEvent(MotionEvent event) { 1339 if (!isFocused()) { 1340 // Ignore any chip taps until this view is focused. 1341 return super.onTouchEvent(event); 1342 } 1343 boolean handled = super.onTouchEvent(event); 1344 int action = event.getAction(); 1345 boolean chipWasSelected = false; 1346 if (mSelectedChip == null) { 1347 mGestureDetector.onTouchEvent(event); 1348 } 1349 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1350 float x = event.getX(); 1351 float y = event.getY(); 1352 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1353 RecipientChip currentChip = findChip(offset); 1354 if (currentChip != null) { 1355 if (action == MotionEvent.ACTION_UP) { 1356 if (mSelectedChip != null && mSelectedChip != currentChip) { 1357 clearSelectedChip(); 1358 mSelectedChip = selectChip(currentChip); 1359 } else if (mSelectedChip == null) { 1360 setSelection(getText().length()); 1361 commitDefault(); 1362 mSelectedChip = selectChip(currentChip); 1363 } else { 1364 onClick(mSelectedChip, offset, x, y); 1365 } 1366 } 1367 chipWasSelected = true; 1368 handled = true; 1369 } else if (mSelectedChip != null 1370 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1371 chipWasSelected = true; 1372 } 1373 } 1374 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1375 clearSelectedChip(); 1376 } 1377 return handled; 1378 } 1379 1380 private void scrollLineIntoView(int line) { 1381 if (mScrollView != null) { 1382 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1383 } 1384 } 1385 1386 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1387 int width, Context context) { 1388 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1389 int bottom; 1390 if (line == getLineCount() -1) { 1391 bottom = 0; 1392 } else { 1393 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1394 - line))); 1395 } 1396 // Align the alternates popup with the left side of the View, 1397 // regardless of the position of the chip tapped. 1398 alternatesPopup.setWidth(width); 1399 alternatesPopup.setAnchorView(this); 1400 alternatesPopup.setVerticalOffset(bottom); 1401 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1402 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1403 // Clear the checked item. 1404 mCheckedItem = -1; 1405 alternatesPopup.show(); 1406 ListView listView = alternatesPopup.getListView(); 1407 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1408 // Checked item would be -1 if the adapter has not 1409 // loaded the view that should be checked yet. The 1410 // variable will be set correctly when onCheckedItemChanged 1411 // is called in a separate thread. 1412 if (mCheckedItem != -1) { 1413 listView.setItemChecked(mCheckedItem, true); 1414 mCheckedItem = -1; 1415 } 1416 } 1417 1418 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1419 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1420 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1421 } 1422 1423 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1424 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1425 .getEntry()); 1426 } 1427 1428 @Override 1429 public void onCheckedItemChanged(int position) { 1430 ListView listView = mAlternatesPopup.getListView(); 1431 if (listView != null && listView.getCheckedItemCount() == 0) { 1432 listView.setItemChecked(position, true); 1433 } 1434 mCheckedItem = position; 1435 } 1436 1437 // TODO: This algorithm will need a lot of tweaking after more people have used 1438 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1439 // what comes before the finger. 1440 private int putOffsetInRange(int o) { 1441 int offset = o; 1442 Editable text = getText(); 1443 int length = text.length(); 1444 // Remove whitespace from end to find "real end" 1445 int realLength = length; 1446 for (int i = length - 1; i >= 0; i--) { 1447 if (text.charAt(i) == ' ') { 1448 realLength--; 1449 } else { 1450 break; 1451 } 1452 } 1453 1454 // If the offset is beyond or at the end of the text, 1455 // leave it alone. 1456 if (offset >= realLength) { 1457 return offset; 1458 } 1459 Editable editable = getText(); 1460 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1461 // Keep walking backward! 1462 offset--; 1463 } 1464 return offset; 1465 } 1466 1467 private int findText(Editable text, int offset) { 1468 if (text.charAt(offset) != ' ') { 1469 return offset; 1470 } 1471 return -1; 1472 } 1473 1474 private RecipientChip findChip(int offset) { 1475 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1476 // Find the chip that contains this offset. 1477 for (int i = 0; i < chips.length; i++) { 1478 RecipientChip chip = chips[i]; 1479 int start = getChipStart(chip); 1480 int end = getChipEnd(chip); 1481 if (offset >= start && offset <= end) { 1482 return chip; 1483 } 1484 } 1485 return null; 1486 } 1487 1488 // Visible for testing. 1489 // Use this method to generate text to add to the list of addresses. 1490 /* package */String createAddressText(RecipientEntry entry) { 1491 String display = entry.getDisplayName(); 1492 String address = entry.getDestination(); 1493 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1494 display = null; 1495 } 1496 String trimmedDisplayText; 1497 if (isPhoneQuery() && isPhoneNumber(address)) { 1498 trimmedDisplayText = address.trim(); 1499 } else { 1500 if (address != null) { 1501 // Tokenize out the address in case the address already 1502 // contained the username as well. 1503 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1504 if (tokenized != null && tokenized.length > 0) { 1505 address = tokenized[0].getAddress(); 1506 } 1507 } 1508 Rfc822Token token = new Rfc822Token(display, address, null); 1509 trimmedDisplayText = token.toString().trim(); 1510 } 1511 int index = trimmedDisplayText.indexOf(","); 1512 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1513 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1514 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1515 } 1516 1517 // Visible for testing. 1518 // Use this method to generate text to display in a chip. 1519 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1520 String display = entry.getDisplayName(); 1521 String address = entry.getDestination(); 1522 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1523 display = null; 1524 } 1525 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 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 if (!TextUtils.isEmpty(display)) { 1534 return display; 1535 } else if (!TextUtils.isEmpty(address)){ 1536 return address; 1537 } else { 1538 return new Rfc822Token(display, address, null).toString(); 1539 } 1540 } 1541 1542 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1543 String displayText = createAddressText(entry); 1544 if (TextUtils.isEmpty(displayText)) { 1545 return null; 1546 } 1547 SpannableString chipText = null; 1548 // Always leave a blank space at the end of a chip. 1549 int end = getSelectionEnd(); 1550 int start = mTokenizer.findTokenStart(getText(), end); 1551 int textLength = displayText.length()-1; 1552 chipText = new SpannableString(displayText); 1553 if (!mNoChips) { 1554 try { 1555 RecipientChip chip = constructChipSpan(entry, start, pressed); 1556 chipText.setSpan(chip, 0, textLength, 1557 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1558 chip.setOriginalText(chipText.toString()); 1559 } catch (NullPointerException e) { 1560 Log.e(TAG, e.getMessage(), e); 1561 return null; 1562 } 1563 } 1564 return chipText; 1565 } 1566 1567 /** 1568 * When an item in the suggestions list has been clicked, create a chip from the 1569 * contact information of the selected item. 1570 */ 1571 @Override 1572 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1573 submitItemAtPosition(position); 1574 } 1575 1576 private void submitItemAtPosition(int position) { 1577 RecipientEntry entry = createValidatedEntry( 1578 (RecipientEntry)getAdapter().getItem(position)); 1579 if (entry == null) { 1580 return; 1581 } 1582 clearComposingText(); 1583 1584 int end = getSelectionEnd(); 1585 int start = mTokenizer.findTokenStart(getText(), end); 1586 1587 Editable editable = getText(); 1588 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1589 CharSequence chip = createChip(entry, false); 1590 if (chip != null && start >= 0 && end >= 0) { 1591 editable.replace(start, end, chip); 1592 } 1593 sanitizeBetween(); 1594 } 1595 1596 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1597 if (item == null) { 1598 return null; 1599 } 1600 final RecipientEntry entry; 1601 // If the display name and the address are the same, or if this is a 1602 // valid contact, but the destination is invalid, then make this a fake 1603 // recipient that is editable. 1604 String destination = item.getDestination(); 1605 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1606 && (TextUtils.isEmpty(item.getDisplayName()) 1607 || TextUtils.equals(item.getDisplayName(), destination) 1608 || (mValidator != null && !mValidator.isValid(destination)))) { 1609 entry = RecipientEntry.constructFakeEntry(destination); 1610 } else { 1611 entry = item; 1612 } 1613 return entry; 1614 } 1615 1616 /** Returns a collection of contact Id for each chip inside this View. */ 1617 /* package */ Collection<Long> getContactIds() { 1618 final Set<Long> result = new HashSet<Long>(); 1619 RecipientChip[] chips = getSortedRecipients(); 1620 if (chips != null) { 1621 for (RecipientChip chip : chips) { 1622 result.add(chip.getContactId()); 1623 } 1624 } 1625 return result; 1626 } 1627 1628 1629 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1630 /* package */ Collection<Long> getDataIds() { 1631 final Set<Long> result = new HashSet<Long>(); 1632 RecipientChip [] chips = getSortedRecipients(); 1633 if (chips != null) { 1634 for (RecipientChip chip : chips) { 1635 result.add(chip.getDataId()); 1636 } 1637 } 1638 return result; 1639 } 1640 1641 // Visible for testing. 1642 /* package */RecipientChip[] getSortedRecipients() { 1643 RecipientChip[] recips = getSpannable() 1644 .getSpans(0, getText().length(), RecipientChip.class); 1645 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1646 .asList(recips)); 1647 final Spannable spannable = getSpannable(); 1648 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1649 1650 @Override 1651 public int compare(RecipientChip first, RecipientChip second) { 1652 int firstStart = spannable.getSpanStart(first); 1653 int secondStart = spannable.getSpanStart(second); 1654 if (firstStart < secondStart) { 1655 return -1; 1656 } else if (firstStart > secondStart) { 1657 return 1; 1658 } else { 1659 return 0; 1660 } 1661 } 1662 }); 1663 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1664 } 1665 1666 @Override 1667 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1668 return false; 1669 } 1670 1671 @Override 1672 public void onDestroyActionMode(ActionMode mode) { 1673 } 1674 1675 @Override 1676 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1677 return false; 1678 } 1679 1680 /** 1681 * No chips are selectable. 1682 */ 1683 @Override 1684 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1685 return false; 1686 } 1687 1688 // Visible for testing. 1689 /* package */ImageSpan getMoreChip() { 1690 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1691 MoreImageSpan.class); 1692 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1693 } 1694 1695 private MoreImageSpan createMoreSpan(int count) { 1696 String moreText = String.format(mMoreItem.getText().toString(), count); 1697 TextPaint morePaint = new TextPaint(getPaint()); 1698 morePaint.setTextSize(mMoreItem.getTextSize()); 1699 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1700 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1701 + mMoreItem.getPaddingRight(); 1702 int height = getLineHeight(); 1703 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1704 Canvas canvas = new Canvas(drawable); 1705 int adjustedHeight = height; 1706 Layout layout = getLayout(); 1707 if (layout != null) { 1708 adjustedHeight -= layout.getLineDescent(0); 1709 } 1710 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1711 1712 Drawable result = new BitmapDrawable(getResources(), drawable); 1713 result.setBounds(0, 0, width, height); 1714 return new MoreImageSpan(result); 1715 } 1716 1717 // Visible for testing. 1718 /*package*/ void createMoreChipPlainText() { 1719 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1720 Editable text = getText(); 1721 int start = 0; 1722 int end = start; 1723 for (int i = 0; i < CHIP_LIMIT; i++) { 1724 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1725 start = end; // move to the next token and get its end. 1726 } 1727 // Now, count total addresses. 1728 start = 0; 1729 int tokenCount = countTokens(text); 1730 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1731 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1732 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1733 text.replace(end, text.length(), chipText); 1734 mMoreChip = moreSpan; 1735 } 1736 1737 // Visible for testing. 1738 /* package */int countTokens(Editable text) { 1739 int tokenCount = 0; 1740 int start = 0; 1741 while (start < text.length()) { 1742 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1743 tokenCount++; 1744 if (start >= text.length()) { 1745 break; 1746 } 1747 } 1748 return tokenCount; 1749 } 1750 1751 /** 1752 * Create the more chip. The more chip is text that replaces any chips that 1753 * do not fit in the pre-defined available space when the 1754 * RecipientEditTextView loses focus. 1755 */ 1756 // Visible for testing. 1757 /* package */ void createMoreChip() { 1758 if (mNoChips) { 1759 createMoreChipPlainText(); 1760 return; 1761 } 1762 1763 if (!mShouldShrink) { 1764 return; 1765 } 1766 1767 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1768 if (tempMore.length > 0) { 1769 getSpannable().removeSpan(tempMore[0]); 1770 } 1771 RecipientChip[] recipients = getSortedRecipients(); 1772 1773 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1774 mMoreChip = null; 1775 return; 1776 } 1777 Spannable spannable = getSpannable(); 1778 int numRecipients = recipients.length; 1779 int overage = numRecipients - CHIP_LIMIT; 1780 MoreImageSpan moreSpan = createMoreSpan(overage); 1781 mRemovedSpans = new ArrayList<RecipientChip>(); 1782 int totalReplaceStart = 0; 1783 int totalReplaceEnd = 0; 1784 Editable text = getText(); 1785 for (int i = numRecipients - overage; i < recipients.length; i++) { 1786 mRemovedSpans.add(recipients[i]); 1787 if (i == numRecipients - overage) { 1788 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1789 } 1790 if (i == recipients.length - 1) { 1791 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1792 } 1793 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1794 int spanStart = spannable.getSpanStart(recipients[i]); 1795 int spanEnd = spannable.getSpanEnd(recipients[i]); 1796 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1797 } 1798 spannable.removeSpan(recipients[i]); 1799 } 1800 if (totalReplaceEnd < text.length()) { 1801 totalReplaceEnd = text.length(); 1802 } 1803 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1804 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1805 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1806 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1807 text.replace(start, end, chipText); 1808 mMoreChip = moreSpan; 1809 } 1810 1811 /** 1812 * Replace the more chip, if it exists, with all of the recipient chips it had 1813 * replaced when the RecipientEditTextView gains focus. 1814 */ 1815 // Visible for testing. 1816 /*package*/ void removeMoreChip() { 1817 if (mMoreChip != null) { 1818 Spannable span = getSpannable(); 1819 span.removeSpan(mMoreChip); 1820 mMoreChip = null; 1821 // Re-add the spans that were removed. 1822 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1823 // Recreate each removed span. 1824 RecipientChip[] recipients = getSortedRecipients(); 1825 // Start the search for tokens after the last currently visible 1826 // chip. 1827 if (recipients == null || recipients.length == 0) { 1828 return; 1829 } 1830 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1831 Editable editable = getText(); 1832 for (RecipientChip chip : mRemovedSpans) { 1833 int chipStart; 1834 int chipEnd; 1835 String token; 1836 // Need to find the location of the chip, again. 1837 token = (String) chip.getOriginalText(); 1838 // As we find the matching recipient for the remove spans, 1839 // reduce the size of the string we need to search. 1840 // That way, if there are duplicates, we always find the correct 1841 // recipient. 1842 chipStart = editable.toString().indexOf(token, end); 1843 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1844 // Only set the span if we found a matching token. 1845 if (chipStart != -1) { 1846 editable.setSpan(chip, chipStart, chipEnd, 1847 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1848 } 1849 } 1850 mRemovedSpans.clear(); 1851 } 1852 } 1853 } 1854 1855 /** 1856 * Show specified chip as selected. If the RecipientChip is just an email address, 1857 * selecting the chip will take the contents of the chip and place it at 1858 * the end of the RecipientEditTextView for inline editing. If the 1859 * RecipientChip is a complete contact, then selecting the chip 1860 * will change the background color of the chip, show the delete icon, 1861 * and a popup window with the address in use highlighted and any other 1862 * alternate addresses for the contact. 1863 * @param currentChip Chip to select. 1864 * @return A RecipientChip in the selected state or null if the chip 1865 * just contained an email address. 1866 */ 1867 private RecipientChip selectChip(RecipientChip currentChip) { 1868 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1869 CharSequence text = currentChip.getValue(); 1870 Editable editable = getText(); 1871 removeChip(currentChip); 1872 editable.append(text); 1873 setCursorVisible(true); 1874 setSelection(editable.length()); 1875 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1876 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1877 int start = getChipStart(currentChip); 1878 int end = getChipEnd(currentChip); 1879 getSpannable().removeSpan(currentChip); 1880 RecipientChip newChip; 1881 try { 1882 if (mNoChips) { 1883 return null; 1884 } 1885 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1886 } catch (NullPointerException e) { 1887 Log.e(TAG, e.getMessage(), e); 1888 return null; 1889 } 1890 Editable editable = getText(); 1891 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1892 if (start == -1 || end == -1) { 1893 Log.d(TAG, "The chip being selected no longer exists but should."); 1894 } else { 1895 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1896 } 1897 newChip.setSelected(true); 1898 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1899 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1900 } 1901 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1902 setCursorVisible(false); 1903 return newChip; 1904 } else { 1905 int start = getChipStart(currentChip); 1906 int end = getChipEnd(currentChip); 1907 getSpannable().removeSpan(currentChip); 1908 RecipientChip newChip; 1909 try { 1910 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1911 } catch (NullPointerException e) { 1912 Log.e(TAG, e.getMessage(), e); 1913 return null; 1914 } 1915 Editable editable = getText(); 1916 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1917 if (start == -1 || end == -1) { 1918 Log.d(TAG, "The chip being selected no longer exists but should."); 1919 } else { 1920 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1921 } 1922 newChip.setSelected(true); 1923 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1924 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1925 } 1926 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1927 setCursorVisible(false); 1928 return newChip; 1929 } 1930 } 1931 1932 1933 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1934 int width, Context context) { 1935 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1936 int bottom = calculateOffsetFromBottom(line); 1937 // Align the alternates popup with the left side of the View, 1938 // regardless of the position of the chip tapped. 1939 popup.setWidth(width); 1940 popup.setAnchorView(this); 1941 popup.setVerticalOffset(bottom); 1942 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1943 popup.setOnItemClickListener(new OnItemClickListener() { 1944 @Override 1945 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1946 unselectChip(currentChip); 1947 popup.dismiss(); 1948 } 1949 }); 1950 popup.show(); 1951 ListView listView = popup.getListView(); 1952 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1953 listView.setItemChecked(0, true); 1954 } 1955 1956 /** 1957 * Remove selection from this chip. Unselecting a RecipientChip will render 1958 * the chip without a delete icon and with an unfocused background. This is 1959 * called when the RecipientChip no longer has focus. 1960 */ 1961 private void unselectChip(RecipientChip chip) { 1962 int start = getChipStart(chip); 1963 int end = getChipEnd(chip); 1964 Editable editable = getText(); 1965 mSelectedChip = null; 1966 if (start == -1 || end == -1) { 1967 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1968 setSelection(editable.length()); 1969 commitDefault(); 1970 } else { 1971 getSpannable().removeSpan(chip); 1972 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1973 editable.removeSpan(chip); 1974 try { 1975 if (!mNoChips) { 1976 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1977 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1978 } 1979 } catch (NullPointerException e) { 1980 Log.e(TAG, e.getMessage(), e); 1981 } 1982 } 1983 setCursorVisible(true); 1984 setSelection(editable.length()); 1985 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1986 mAlternatesPopup.dismiss(); 1987 } 1988 } 1989 1990 /** 1991 * Return whether a touch event was inside the delete target of 1992 * a selected chip. It is in the delete target if: 1993 * 1) the x and y points of the event are within the 1994 * delete assset. 1995 * 2) the point tapped would have caused a cursor to appear 1996 * right after the selected chip. 1997 * @return boolean 1998 */ 1999 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2000 // Figure out the bounds of this chip and whether or not 2001 // the user clicked in the X portion. 2002 return chip.isSelected() && offset == getChipEnd(chip); 2003 } 2004 2005 /** 2006 * Remove the chip and any text associated with it from the RecipientEditTextView. 2007 */ 2008 // Visible for testing. 2009 /*pacakge*/ void removeChip(RecipientChip chip) { 2010 Spannable spannable = getSpannable(); 2011 int spanStart = spannable.getSpanStart(chip); 2012 int spanEnd = spannable.getSpanEnd(chip); 2013 Editable text = getText(); 2014 int toDelete = spanEnd; 2015 boolean wasSelected = chip == mSelectedChip; 2016 // Clear that there is a selected chip before updating any text. 2017 if (wasSelected) { 2018 mSelectedChip = null; 2019 } 2020 // Always remove trailing spaces when removing a chip. 2021 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2022 toDelete++; 2023 } 2024 spannable.removeSpan(chip); 2025 if (spanStart >= 0 && toDelete > 0) { 2026 text.delete(spanStart, toDelete); 2027 } 2028 if (wasSelected) { 2029 clearSelectedChip(); 2030 } 2031 } 2032 2033 /** 2034 * Replace this currently selected chip with a new chip 2035 * that uses the contact data provided. 2036 */ 2037 // Visible for testing. 2038 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2039 boolean wasSelected = chip == mSelectedChip; 2040 if (wasSelected) { 2041 mSelectedChip = null; 2042 } 2043 int start = getChipStart(chip); 2044 int end = getChipEnd(chip); 2045 getSpannable().removeSpan(chip); 2046 Editable editable = getText(); 2047 CharSequence chipText = createChip(entry, false); 2048 if (chipText != null) { 2049 if (start == -1 || end == -1) { 2050 Log.e(TAG, "The chip to replace does not exist but should."); 2051 editable.insert(0, chipText); 2052 } else { 2053 if (!TextUtils.isEmpty(chipText)) { 2054 // There may be a space to replace with this chip's new 2055 // associated 2056 // space. Check for it 2057 int toReplace = end; 2058 while (toReplace >= 0 && toReplace < editable.length() 2059 && editable.charAt(toReplace) == ' ') { 2060 toReplace++; 2061 } 2062 editable.replace(start, toReplace, chipText); 2063 } 2064 } 2065 } 2066 setCursorVisible(true); 2067 if (wasSelected) { 2068 clearSelectedChip(); 2069 } 2070 } 2071 2072 /** 2073 * Handle click events for a chip. When a selected chip receives a click 2074 * event, see if that event was in the delete icon. If so, delete it. 2075 * Otherwise, unselect the chip. 2076 */ 2077 public void onClick(RecipientChip chip, int offset, float x, float y) { 2078 if (chip.isSelected()) { 2079 if (isInDelete(chip, offset, x, y)) { 2080 removeChip(chip); 2081 } else { 2082 clearSelectedChip(); 2083 } 2084 } 2085 } 2086 2087 private boolean chipsPending() { 2088 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2089 } 2090 2091 @Override 2092 public void removeTextChangedListener(TextWatcher watcher) { 2093 mTextWatcher = null; 2094 super.removeTextChangedListener(watcher); 2095 } 2096 2097 private class RecipientTextWatcher implements TextWatcher { 2098 2099 @Override 2100 public void afterTextChanged(Editable s) { 2101 // If the text has been set to null or empty, make sure we remove 2102 // all the spans we applied. 2103 if (TextUtils.isEmpty(s)) { 2104 // Remove all the chips spans. 2105 Spannable spannable = getSpannable(); 2106 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2107 RecipientChip.class); 2108 for (RecipientChip chip : chips) { 2109 spannable.removeSpan(chip); 2110 } 2111 if (mMoreChip != null) { 2112 spannable.removeSpan(mMoreChip); 2113 } 2114 return; 2115 } 2116 // Get whether there are any recipients pending addition to the 2117 // view. If there are, don't do anything in the text watcher. 2118 if (chipsPending()) { 2119 return; 2120 } 2121 // If the user is editing a chip, don't clear it. 2122 if (mSelectedChip != null 2123 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2124 setCursorVisible(true); 2125 setSelection(getText().length()); 2126 clearSelectedChip(); 2127 } 2128 int length = s.length(); 2129 // Make sure there is content there to parse and that it is 2130 // not just the commit character. 2131 if (length > 1) { 2132 char last; 2133 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2134 int len = length() - 1; 2135 if (end != len) { 2136 last = s.charAt(end); 2137 } else { 2138 last = s.charAt(len); 2139 } 2140 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2141 commitByCharacter(); 2142 } else if (last == COMMIT_CHAR_SPACE) { 2143 if (!isPhoneQuery()) { 2144 // Check if this is a valid email address. If it is, 2145 // commit it. 2146 String text = getText().toString(); 2147 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2148 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2149 tokenStart)); 2150 if (!TextUtils.isEmpty(sub) && mValidator != null && 2151 mValidator.isValid(sub)) { 2152 commitByCharacter(); 2153 } 2154 } 2155 } 2156 } 2157 } 2158 2159 @Override 2160 public void onTextChanged(CharSequence s, int start, int before, int count) { 2161 // This is a delete; check to see if the insertion point is on a space 2162 // following a chip. 2163 if (before > count) { 2164 // If the item deleted is a space, and the thing before the 2165 // space is a chip, delete the entire span. 2166 int selStart = getSelectionStart(); 2167 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2168 RecipientChip.class); 2169 if (repl.length > 0) { 2170 // There is a chip there! Just remove it. 2171 Editable editable = getText(); 2172 // Add the separator token. 2173 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2174 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2175 tokenEnd = tokenEnd + 1; 2176 if (tokenEnd > editable.length()) { 2177 tokenEnd = editable.length(); 2178 } 2179 editable.delete(tokenStart, tokenEnd); 2180 getSpannable().removeSpan(repl[0]); 2181 } 2182 } else if (count > before) { 2183 // Only scroll when the user is adding text, not clearing text. 2184 scrollBottomIntoView(); 2185 } 2186 } 2187 2188 @Override 2189 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2190 // Do nothing. 2191 } 2192 } 2193 2194 private void scrollBottomIntoView() { 2195 if (mScrollView != null) { 2196 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2197 } 2198 } 2199 2200 /** 2201 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2202 */ 2203 private void handlePasteClip(ClipData clip) { 2204 removeTextChangedListener(mTextWatcher); 2205 2206 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2207 for (int i = 0; i < clip.getItemCount(); i++) { 2208 CharSequence paste = clip.getItemAt(i).getText(); 2209 if (paste != null) { 2210 int start = getSelectionStart(); 2211 int end = getSelectionEnd(); 2212 Editable editable = getText(); 2213 if (start >= 0 && end >= 0 && start != end) { 2214 editable.append(paste, start, end); 2215 } else { 2216 editable.insert(end, paste); 2217 } 2218 handlePasteAndReplace(); 2219 } 2220 } 2221 } 2222 2223 mHandler.post(mAddTextWatcher); 2224 } 2225 2226 @Override 2227 public boolean onTextContextMenuItem(int id) { 2228 if (id == android.R.id.paste) { 2229 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2230 Context.CLIPBOARD_SERVICE); 2231 handlePasteClip(clipboard.getPrimaryClip()); 2232 return true; 2233 } 2234 return super.onTextContextMenuItem(id); 2235 } 2236 2237 private void handlePasteAndReplace() { 2238 ArrayList<RecipientChip> created = handlePaste(); 2239 if (created != null && created.size() > 0) { 2240 // Perform reverse lookups on the pasted contacts. 2241 IndividualReplacementTask replace = new IndividualReplacementTask(); 2242 replace.execute(created); 2243 } 2244 } 2245 2246 // Visible for testing. 2247 /* package */ArrayList<RecipientChip> handlePaste() { 2248 String text = getText().toString(); 2249 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2250 String lastAddress = text.substring(originalTokenStart); 2251 int tokenStart = originalTokenStart; 2252 int prevTokenStart = tokenStart; 2253 RecipientChip findChip = null; 2254 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2255 if (tokenStart != 0) { 2256 // There are things before this! 2257 while (tokenStart != 0 && findChip == null) { 2258 prevTokenStart = tokenStart; 2259 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2260 findChip = findChip(tokenStart); 2261 } 2262 if (tokenStart != originalTokenStart) { 2263 if (findChip != null) { 2264 tokenStart = prevTokenStart; 2265 } 2266 int tokenEnd; 2267 RecipientChip createdChip; 2268 while (tokenStart < originalTokenStart) { 2269 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2270 commitChip(tokenStart, tokenEnd, getText()); 2271 createdChip = findChip(tokenStart); 2272 if (createdChip == null) { 2273 break; 2274 } 2275 // +1 for the space at the end. 2276 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2277 created.add(createdChip); 2278 } 2279 } 2280 } 2281 // Take a look at the last token. If the token has been completed with a 2282 // commit character, create a chip. 2283 if (isCompletedToken(lastAddress)) { 2284 Editable editable = getText(); 2285 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2286 commitChip(tokenStart, editable.length(), editable); 2287 created.add(findChip(tokenStart)); 2288 } 2289 return created; 2290 } 2291 2292 // Visible for testing. 2293 /* package */int movePastTerminators(int tokenEnd) { 2294 if (tokenEnd >= length()) { 2295 return tokenEnd; 2296 } 2297 char atEnd = getText().toString().charAt(tokenEnd); 2298 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2299 tokenEnd++; 2300 } 2301 // This token had not only an end token character, but also a space 2302 // separating it from the next token. 2303 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2304 tokenEnd++; 2305 } 2306 return tokenEnd; 2307 } 2308 2309 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2310 private RecipientChip createFreeChip(RecipientEntry entry) { 2311 try { 2312 if (mNoChips) { 2313 return null; 2314 } 2315 return constructChipSpan(entry, -1, false); 2316 } catch (NullPointerException e) { 2317 Log.e(TAG, e.getMessage(), e); 2318 return null; 2319 } 2320 } 2321 2322 @Override 2323 protected Void doInBackground(Void... params) { 2324 if (mIndividualReplacements != null) { 2325 mIndividualReplacements.cancel(true); 2326 } 2327 // For each chip in the list, look up the matching contact. 2328 // If there is a match, replace that chip with the matching 2329 // chip. 2330 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2331 RecipientChip[] existingChips = getSortedRecipients(); 2332 for (int i = 0; i < existingChips.length; i++) { 2333 originalRecipients.add(existingChips[i]); 2334 } 2335 if (mRemovedSpans != null) { 2336 originalRecipients.addAll(mRemovedSpans); 2337 } 2338 ArrayList<String> addresses = new ArrayList<String>(); 2339 RecipientChip chip; 2340 for (int i = 0; i < originalRecipients.size(); i++) { 2341 chip = originalRecipients.get(i); 2342 if (chip != null) { 2343 addresses.add(createAddressText(chip.getEntry())); 2344 } 2345 } 2346 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2347 .getMatchingRecipients(getContext(), addresses); 2348 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2349 for (final RecipientChip temp : originalRecipients) { 2350 RecipientEntry entry = null; 2351 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2352 && getSpannable().getSpanStart(temp) != -1) { 2353 // Replace this. 2354 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2355 .getDestination()))); 2356 } 2357 if (entry != null) { 2358 replacements.add(createFreeChip(entry)); 2359 } else { 2360 replacements.add(temp); 2361 } 2362 } 2363 if (replacements != null && replacements.size() > 0) { 2364 mHandler.post(new Runnable() { 2365 @Override 2366 public void run() { 2367 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2368 .toString()); 2369 Editable oldText = getText(); 2370 int start, end; 2371 int i = 0; 2372 for (RecipientChip chip : originalRecipients) { 2373 start = oldText.getSpanStart(chip); 2374 if (start != -1) { 2375 end = oldText.getSpanEnd(chip); 2376 oldText.removeSpan(chip); 2377 // Leave a spot for the space! 2378 RecipientChip replacement = replacements.get(i); 2379 text.setSpan(replacement, start, end, 2380 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2381 replacement.setOriginalText(text.toString().substring(start, end)); 2382 } 2383 i++; 2384 } 2385 originalRecipients.clear(); 2386 setText(text); 2387 } 2388 }); 2389 } 2390 return null; 2391 } 2392 } 2393 2394 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2395 @SuppressWarnings("unchecked") 2396 @Override 2397 protected Void doInBackground(Object... params) { 2398 // For each chip in the list, look up the matching contact. 2399 // If there is a match, replace that chip with the matching 2400 // chip. 2401 final ArrayList<RecipientChip> originalRecipients = 2402 (ArrayList<RecipientChip>) params[0]; 2403 ArrayList<String> addresses = new ArrayList<String>(); 2404 RecipientChip chip; 2405 for (int i = 0; i < originalRecipients.size(); i++) { 2406 chip = originalRecipients.get(i); 2407 if (chip != null) { 2408 addresses.add(createAddressText(chip.getEntry())); 2409 } 2410 } 2411 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2412 .getMatchingRecipients(getContext(), addresses); 2413 for (final RecipientChip temp : originalRecipients) { 2414 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2415 && getSpannable().getSpanStart(temp) != -1) { 2416 // Replace this. 2417 final RecipientEntry entry = createValidatedEntry(entries 2418 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2419 if (entry != null) { 2420 mHandler.post(new Runnable() { 2421 @Override 2422 public void run() { 2423 replaceChip(temp, entry); 2424 } 2425 }); 2426 } 2427 } 2428 } 2429 return null; 2430 } 2431 } 2432 2433 2434 /** 2435 * MoreImageSpan is a simple class created for tracking the existence of a 2436 * more chip across activity restarts/ 2437 */ 2438 private class MoreImageSpan extends ImageSpan { 2439 public MoreImageSpan(Drawable b) { 2440 super(b); 2441 } 2442 } 2443 2444 @Override 2445 public boolean onDown(MotionEvent e) { 2446 return false; 2447 } 2448 2449 @Override 2450 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2451 // Do nothing. 2452 return false; 2453 } 2454 2455 @Override 2456 public void onLongPress(MotionEvent event) { 2457 if (mSelectedChip != null) { 2458 return; 2459 } 2460 float x = event.getX(); 2461 float y = event.getY(); 2462 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2463 RecipientChip currentChip = findChip(offset); 2464 if (currentChip != null) { 2465 if (mDragEnabled) { 2466 // Start drag-and-drop for the selected chip. 2467 startDrag(currentChip); 2468 } else { 2469 // Copy the selected chip email address. 2470 showCopyDialog(currentChip.getEntry().getDestination()); 2471 } 2472 } 2473 } 2474 2475 /** 2476 * Enables drag-and-drop for chips. 2477 */ 2478 public void enableDrag() { 2479 mDragEnabled = true; 2480 } 2481 2482 /** 2483 * Starts drag-and-drop for the selected chip. 2484 */ 2485 private void startDrag(RecipientChip currentChip) { 2486 String address = currentChip.getEntry().getDestination(); 2487 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2488 2489 // Start drag mode. 2490 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2491 2492 // Remove the current chip, so drag-and-drop will result in a move. 2493 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2494 removeChip(currentChip); 2495 } 2496 2497 /** 2498 * Handles drag event. 2499 */ 2500 @Override 2501 public boolean onDragEvent(DragEvent event) { 2502 switch (event.getAction()) { 2503 case DragEvent.ACTION_DRAG_STARTED: 2504 // Only handle plain text drag and drop. 2505 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2506 case DragEvent.ACTION_DRAG_ENTERED: 2507 requestFocus(); 2508 return true; 2509 case DragEvent.ACTION_DROP: 2510 handlePasteClip(event.getClipData()); 2511 return true; 2512 } 2513 return false; 2514 } 2515 2516 /** 2517 * Drag shadow for a {@link RecipientChip}. 2518 */ 2519 private final class RecipientChipShadow extends DragShadowBuilder { 2520 private final RecipientChip mChip; 2521 2522 public RecipientChipShadow(RecipientChip chip) { 2523 mChip = chip; 2524 } 2525 2526 @Override 2527 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2528 Rect rect = mChip.getDrawable().getBounds(); 2529 shadowSize.set(rect.width(), rect.height()); 2530 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2531 } 2532 2533 @Override 2534 public void onDrawShadow(Canvas canvas) { 2535 mChip.getDrawable().draw(canvas); 2536 } 2537 } 2538 2539 private void showCopyDialog(final String address) { 2540 mCopyAddress = address; 2541 mCopyDialog.setTitle(address); 2542 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2543 mCopyDialog.setCancelable(true); 2544 mCopyDialog.setCanceledOnTouchOutside(true); 2545 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2546 button.setOnClickListener(this); 2547 int btnTitleId; 2548 if (isPhoneQuery()) { 2549 btnTitleId = R.string.copy_number; 2550 } else { 2551 btnTitleId = R.string.copy_email; 2552 } 2553 String buttonTitle = getContext().getResources().getString(btnTitleId); 2554 button.setText(buttonTitle); 2555 mCopyDialog.setOnDismissListener(this); 2556 mCopyDialog.show(); 2557 } 2558 2559 @Override 2560 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2561 // Do nothing. 2562 return false; 2563 } 2564 2565 @Override 2566 public void onShowPress(MotionEvent e) { 2567 // Do nothing. 2568 } 2569 2570 @Override 2571 public boolean onSingleTapUp(MotionEvent e) { 2572 // Do nothing. 2573 return false; 2574 } 2575 2576 @Override 2577 public void onDismiss(DialogInterface dialog) { 2578 mCopyAddress = null; 2579 } 2580 2581 @Override 2582 public void onClick(View v) { 2583 // Copy this to the clipboard. 2584 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2585 Context.CLIPBOARD_SERVICE); 2586 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2587 mCopyDialog.dismiss(); 2588 } 2589 2590 protected boolean isPhoneQuery() { 2591 return getAdapter() != null 2592 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2593 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2594 } 2595} 2596