RecipientEditTextView.java revision c16fb2a3bcc168fb69a92f43aebf6cfa4bf3a007
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 } 365 if (!TextUtils.isEmpty(displayString) 366 && TextUtils.getTrimmedLength(displayString) > 0) { 367 mPendingChipsCount++; 368 mPendingChips.add(text.toString()); 369 } 370 } 371 // Put a message on the queue to make sure we ALWAYS handle pending 372 // chips. 373 if (mPendingChipsCount > 0) { 374 postHandlePendingChips(); 375 } 376 mHandler.post(mAddTextWatcher); 377 } 378 379 @Override 380 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 381 super.onFocusChanged(hasFocus, direction, previous); 382 if (!hasFocus) { 383 shrink(); 384 } else { 385 expand(); 386 } 387 } 388 389 @Override 390 public void performValidation() { 391 // Do nothing. Chips handles its own validation. 392 } 393 394 private void shrink() { 395 if (mTokenizer == null) { 396 return; 397 } 398 if (mSelectedChip != null 399 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 400 clearSelectedChip(); 401 } else { 402 if (getWidth() <= 0) { 403 // We don't have the width yet which means the view hasn't been drawn yet 404 // and there is no reason to attempt to commit chips yet. 405 // This focus lost must be the result of an orientation change 406 // or an initial rendering. 407 // Re-post the shrink for later. 408 mHandler.removeCallbacks(mDelayedShrink); 409 mHandler.post(mDelayedShrink); 410 return; 411 } 412 // Reset any pending chips as they would have been handled 413 // when the field lost focus. 414 if (mPendingChipsCount > 0) { 415 postHandlePendingChips(); 416 } else { 417 Editable editable = getText(); 418 int end = getSelectionEnd(); 419 int start = mTokenizer.findTokenStart(editable, end); 420 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 421 if ((chips == null || chips.length == 0)) { 422 Editable text = getText(); 423 int whatEnd = mTokenizer.findTokenEnd(text, start); 424 // This token was already tokenized, so skip past the ending token. 425 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 426 whatEnd++; 427 } 428 // In the middle of chip; treat this as an edit 429 // and commit the whole token. 430 int selEnd = getSelectionEnd(); 431 if (whatEnd != selEnd) { 432 handleEdit(start, whatEnd); 433 } else { 434 commitChip(start, end, editable); 435 } 436 } 437 } 438 mHandler.post(mAddTextWatcher); 439 } 440 createMoreChip(); 441 } 442 443 private void expand() { 444 removeMoreChip(); 445 setCursorVisible(true); 446 Editable text = getText(); 447 setSelection(text != null && text.length() > 0 ? text.length() : 0); 448 // If there are any temporary chips, try replacing them now that the user 449 // has expanded the field. 450 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 451 new RecipientReplacementTask().execute(); 452 mTemporaryRecipients = null; 453 } 454 } 455 456 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 457 paint.setTextSize(mChipFontSize); 458 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 459 Log.d(TAG, "Max width is negative: " + maxWidth); 460 } 461 return TextUtils.ellipsize(text, paint, maxWidth, 462 TextUtils.TruncateAt.END); 463 } 464 465 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 466 // Ellipsize the text so that it takes AT MOST the entire width of the 467 // autocomplete text entry area. Make sure to leave space for padding 468 // on the sides. 469 int height = (int) mChipHeight; 470 int deleteWidth = height; 471 float[] widths = new float[1]; 472 paint.getTextWidths(" ", widths); 473 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 474 calculateAvailableWidth(true) - deleteWidth - widths[0]); 475 476 // Make sure there is a minimum chip width so the user can ALWAYS 477 // tap a chip without difficulty. 478 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 479 ellipsizedText.length())) 480 + (mChipPadding * 2) + deleteWidth); 481 482 // Create the background of the chip. 483 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 484 Canvas canvas = new Canvas(tmpBitmap); 485 if (mChipBackgroundPressed != null) { 486 mChipBackgroundPressed.setBounds(0, 0, width, height); 487 mChipBackgroundPressed.draw(canvas); 488 paint.setColor(sSelectedTextColor); 489 // Vertically center the text in the chip. 490 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 491 getTextYOffset((String) ellipsizedText, paint, height), paint); 492 // Make the delete a square. 493 Rect backgroundPadding = new Rect(); 494 mChipBackgroundPressed.getPadding(backgroundPadding); 495 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 496 0 + backgroundPadding.top, 497 width - backgroundPadding.right, 498 height - backgroundPadding.bottom); 499 mChipDelete.draw(canvas); 500 } else { 501 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 502 } 503 return tmpBitmap; 504 } 505 506 507 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 508 // Ellipsize the text so that it takes AT MOST the entire width of the 509 // autocomplete text entry area. Make sure to leave space for padding 510 // on the sides. 511 int height = (int) mChipHeight; 512 int iconWidth = height; 513 float[] widths = new float[1]; 514 paint.getTextWidths(" ", widths); 515 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 516 calculateAvailableWidth(false) - iconWidth - widths[0]); 517 // Make sure there is a minimum chip width so the user can ALWAYS 518 // tap a chip without difficulty. 519 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 520 ellipsizedText.length())) 521 + (mChipPadding * 2) + iconWidth); 522 523 // Create the background of the chip. 524 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 525 Canvas canvas = new Canvas(tmpBitmap); 526 Drawable background = getChipBackground(contact); 527 if (background != null) { 528 background.setBounds(0, 0, width, height); 529 background.draw(canvas); 530 531 // Don't draw photos for recipients that have been typed in. 532 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 533 byte[] photoBytes = contact.getPhotoBytes(); 534 // There may not be a photo yet if anything but the first contact address 535 // was selected. 536 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 537 // TODO: cache this in the recipient entry? 538 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 539 .getPhotoThumbnailUri()); 540 photoBytes = contact.getPhotoBytes(); 541 } 542 543 Bitmap photo; 544 if (photoBytes != null) { 545 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 546 } else { 547 // TODO: can the scaled down default photo be cached? 548 photo = mDefaultContactPhoto; 549 } 550 // Draw the photo on the left side. 551 if (photo != null) { 552 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 553 Rect backgroundPadding = new Rect(); 554 mChipBackground.getPadding(backgroundPadding); 555 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 556 0 + backgroundPadding.top, 557 width - backgroundPadding.right, 558 height - backgroundPadding.bottom); 559 Matrix matrix = new Matrix(); 560 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 561 canvas.drawBitmap(photo, matrix, paint); 562 } 563 } else { 564 // Don't leave any space for the icon. It isn't being drawn. 565 iconWidth = 0; 566 } 567 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 568 // Vertically center the text in the chip. 569 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 570 getTextYOffset((String)ellipsizedText, paint, height), paint); 571 } else { 572 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 573 } 574 return tmpBitmap; 575 } 576 577 /** 578 * Get the background drawable for a RecipientChip. 579 */ 580 // Visible for testing. 581 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 582 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 583 mChipBackground : mInvalidChipBackground; 584 } 585 586 private float getTextYOffset(String text, TextPaint paint, int height) { 587 Rect bounds = new Rect(); 588 paint.getTextBounds(text, 0, text.length(), bounds); 589 int textHeight = bounds.bottom - bounds.top ; 590 return height - ((height - textHeight) / 2) - (int)paint.descent(); 591 } 592 593 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 594 throws NullPointerException { 595 if (mChipBackground == null) { 596 throw new NullPointerException( 597 "Unable to render any chips as setChipDimensions was not called."); 598 } 599 Layout layout = getLayout(); 600 601 TextPaint paint = getPaint(); 602 float defaultSize = paint.getTextSize(); 603 int defaultColor = paint.getColor(); 604 605 Bitmap tmpBitmap; 606 if (pressed) { 607 tmpBitmap = createSelectedChip(contact, paint, layout); 608 609 } else { 610 tmpBitmap = createUnselectedChip(contact, paint, layout); 611 } 612 613 // Pass the full text, un-ellipsized, to the chip. 614 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 615 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 616 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 617 // Return text to the original size. 618 paint.setTextSize(defaultSize); 619 paint.setColor(defaultColor); 620 return recipientChip; 621 } 622 623 /** 624 * Calculate the bottom of the line the chip will be located on using: 625 * 1) which line the chip appears on 626 * 2) the height of a chip 627 * 3) padding built into the edit text view 628 */ 629 private int calculateOffsetFromBottom(int line) { 630 // Line offsets start at zero. 631 int actualLine = getLineCount() - (line + 1); 632 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 633 + getDropDownVerticalOffset(); 634 } 635 636 /** 637 * Get the max amount of space a chip can take up. The formula takes into 638 * account the width of the EditTextView, any view padding, and padding 639 * that will be added to the chip. 640 */ 641 private float calculateAvailableWidth(boolean pressed) { 642 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 643 } 644 645 646 private void setChipDimensions(Context context, AttributeSet attrs) { 647 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 648 0); 649 Resources r = getContext().getResources(); 650 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 651 if (mChipBackground == null) { 652 mChipBackground = r.getDrawable(R.drawable.chip_background); 653 } 654 mChipBackgroundPressed = a 655 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 656 if (mChipBackgroundPressed == null) { 657 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 658 } 659 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 660 if (mChipDelete == null) { 661 mChipDelete = r.getDrawable(R.drawable.chip_delete); 662 } 663 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 664 if (mChipPadding == -1) { 665 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 666 } 667 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 668 -1); 669 if (mAlternatesLayout == -1) { 670 mAlternatesLayout = R.layout.chips_alternate_item; 671 } 672 673 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 674 675 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 676 677 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 678 if (mChipHeight == -1) { 679 mChipHeight = r.getDimension(R.dimen.chip_height); 680 } 681 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 682 if (mChipFontSize == -1) { 683 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 684 } 685 mInvalidChipBackground = a 686 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 687 if (mInvalidChipBackground == null) { 688 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 689 } 690 mLineSpacingExtra = context.getResources().getDimension(R.dimen.line_spacing_extra); 691 a.recycle(); 692 } 693 694 // Visible for testing. 695 /* package */ void setMoreItem(TextView moreItem) { 696 mMoreItem = moreItem; 697 } 698 699 700 // Visible for testing. 701 /* package */ void setChipBackground(Drawable chipBackground) { 702 mChipBackground = chipBackground; 703 } 704 705 // Visible for testing. 706 /* package */ void setChipHeight(int height) { 707 mChipHeight = height; 708 } 709 710 /** 711 * Set whether to shrink the recipients field such that at most 712 * one line of recipients chips are shown when the field loses 713 * focus. By default, the number of displayed recipients will be 714 * limited and a "more" chip will be shown when focus is lost. 715 * @param shrink 716 */ 717 public void setOnFocusListShrinkRecipients(boolean shrink) { 718 mShouldShrink = shrink; 719 } 720 721 @Override 722 public void onSizeChanged(int width, int height, int oldw, int oldh) { 723 super.onSizeChanged(width, height, oldw, oldh); 724 if (width != 0 && height != 0) { 725 if (mPendingChipsCount > 0) { 726 postHandlePendingChips(); 727 } else { 728 checkChipWidths(); 729 } 730 } 731 // Try to find the scroll view parent, if it exists. 732 if (mScrollView == null && !mTriedGettingScrollView) { 733 ViewParent parent = getParent(); 734 while (parent != null && !(parent instanceof ScrollView)) { 735 parent = parent.getParent(); 736 } 737 if (parent != null) { 738 mScrollView = (ScrollView) parent; 739 } 740 mTriedGettingScrollView = true; 741 } 742 } 743 744 private void postHandlePendingChips() { 745 mHandler.removeCallbacks(mHandlePendingChips); 746 mHandler.post(mHandlePendingChips); 747 } 748 749 private void checkChipWidths() { 750 // Check the widths of the associated chips. 751 RecipientChip[] chips = getSortedRecipients(); 752 if (chips != null) { 753 Rect bounds; 754 for (RecipientChip chip : chips) { 755 bounds = chip.getDrawable().getBounds(); 756 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 757 // Need to redraw that chip. 758 replaceChip(chip, chip.getEntry()); 759 } 760 } 761 } 762 } 763 764 // Visible for testing. 765 /*package*/ void handlePendingChips() { 766 if (getViewWidth() <= 0) { 767 // The widget has not been sized yet. 768 // This will be called as a result of onSizeChanged 769 // at a later point. 770 return; 771 } 772 if (mPendingChipsCount <= 0) { 773 return; 774 } 775 776 synchronized (mPendingChips) { 777 Editable editable = getText(); 778 // Tokenize! 779 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 780 for (int i = 0; i < mPendingChips.size(); i++) { 781 String current = mPendingChips.get(i); 782 int tokenStart = editable.toString().indexOf(current); 783 int tokenEnd = tokenStart + current.length(); 784 if (tokenStart >= 0) { 785 // When we have a valid token, include it with the token 786 // to the left. 787 if (tokenEnd < editable.length() - 2 788 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 789 tokenEnd++; 790 } 791 createReplacementChip(tokenStart, tokenEnd, editable); 792 } 793 mPendingChipsCount--; 794 } 795 sanitizeEnd(); 796 } else { 797 mNoChips = true; 798 } 799 800 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 801 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 802 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 803 new RecipientReplacementTask().execute(); 804 mTemporaryRecipients = null; 805 } else { 806 // Create the "more" chip 807 mIndividualReplacements = new IndividualReplacementTask(); 808 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 809 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 810 811 createMoreChip(); 812 } 813 } else { 814 // There are too many recipients to look up, so just fall back 815 // to showing addresses for all of them. 816 mTemporaryRecipients = null; 817 createMoreChip(); 818 } 819 mPendingChipsCount = 0; 820 mPendingChips.clear(); 821 } 822 } 823 824 // Visible for testing. 825 /*package*/ int getViewWidth() { 826 return getWidth(); 827 } 828 829 /** 830 * Remove any characters after the last valid chip. 831 */ 832 // Visible for testing. 833 /*package*/ void sanitizeEnd() { 834 // Don't sanitize while we are waiting for pending chips to complete. 835 if (mPendingChipsCount > 0) { 836 return; 837 } 838 // Find the last chip; eliminate any commit characters after it. 839 RecipientChip[] chips = getSortedRecipients(); 840 if (chips != null && chips.length > 0) { 841 int end; 842 ImageSpan lastSpan; 843 mMoreChip = getMoreChip(); 844 if (mMoreChip != null) { 845 lastSpan = mMoreChip; 846 } else { 847 lastSpan = getLastChip(); 848 } 849 end = getSpannable().getSpanEnd(lastSpan); 850 Editable editable = getText(); 851 int length = editable.length(); 852 if (length > end) { 853 // See what characters occur after that and eliminate them. 854 if (Log.isLoggable(TAG, Log.DEBUG)) { 855 Log.d(TAG, "There were extra characters after the last tokenizable entry." 856 + editable); 857 } 858 editable.delete(end + 1, length); 859 } 860 } 861 } 862 863 /** 864 * Create a chip that represents just the email address of a recipient. At some later 865 * point, this chip will be attached to a real contact entry, if one exists. 866 */ 867 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 868 if (alreadyHasChip(tokenStart, tokenEnd)) { 869 // There is already a chip present at this location. 870 // Don't recreate it. 871 return; 872 } 873 String token = editable.toString().substring(tokenStart, tokenEnd); 874 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 875 if (commitCharIndex == token.length() - 1) { 876 token = token.substring(0, token.length() - 1); 877 } 878 RecipientEntry entry = createTokenizedEntry(token); 879 if (entry != null) { 880 String destText = createAddressText(entry); 881 // Always leave a blank space at the end of a chip. 882 int textLength = destText.length() - 1; 883 SpannableString chipText = new SpannableString(destText); 884 int end = getSelectionEnd(); 885 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 886 RecipientChip chip = null; 887 try { 888 if (!mNoChips) { 889 chip = constructChipSpan(entry, start, false); 890 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 891 } 892 } catch (NullPointerException e) { 893 Log.e(TAG, e.getMessage(), e); 894 } 895 editable.replace(tokenStart, tokenEnd, chipText); 896 // Add this chip to the list of entries "to replace" 897 if (chip != null) { 898 if (mTemporaryRecipients == null) { 899 mTemporaryRecipients = new ArrayList<RecipientChip>(); 900 } 901 chip.setOriginalText(chipText.toString()); 902 mTemporaryRecipients.add(chip); 903 } 904 } 905 } 906 907 private static boolean isPhoneNumber(String number) { 908 // TODO: replace this function with libphonenumber's isPossibleNumber (see 909 // PhoneNumberUtil). One complication is that it requires the sender's region which 910 // comes from the CurrentCountryIso. For now, let's just do this simple match. 911 if (TextUtils.isEmpty(number)) { 912 return false; 913 } 914 915 Matcher match = Patterns.PHONE.matcher(number); 916 return match.matches(); 917 } 918 919 private RecipientEntry createTokenizedEntry(String token) { 920 if (TextUtils.isEmpty(token)) { 921 return null; 922 } 923 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 924 String display = null; 925 if (isPhoneQuery()) { 926 // The number often arrives as "(800) 123-1231, ". 927 // Trim the space and trailing comma if necessary. 928 token = token.trim(); 929 char charAt = token.charAt(token.length() - 1); 930 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 931 token = token.substring(0, token.length() - 1); 932 } 933 934 // look for something that looks like a phone number. At this point, the original 935 // token might have looked like this: "Fred Flinstone <(800) 425-2323>" 936 if (!isPhoneNumber(token) && isValid(token) && tokens != null && tokens.length > 0) { 937 for (int i = 0; i < tokens.length; i++) { 938 // If we can get a phone number from tokenizing, then generate an entry from 939 // this. 940 display = tokens[i].getName(); 941 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 942 return RecipientEntry.constructGeneratedEntry(display, display); 943 } else { 944 display = tokens[i].getAddress(); 945 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 946 return RecipientEntry.constructFakeEntry(display); 947 } 948 } 949 } 950 } 951 // If the original token is a phone number to start with or as a last resort, use the 952 // original token. 953 return RecipientEntry.constructFakeEntry(token); 954 } 955 if (isValid(token) && tokens != null && tokens.length > 0) { 956 // If we can get a name from tokenizing, then generate an entry from 957 // this. 958 display = tokens[0].getName(); 959 if (!TextUtils.isEmpty(display)) { 960 return RecipientEntry.constructGeneratedEntry(display, token); 961 } else { 962 display = tokens[0].getAddress(); 963 if (!TextUtils.isEmpty(display)) { 964 return RecipientEntry.constructFakeEntry(display); 965 } 966 } 967 } 968 // Unable to validate the token or to create a valid token from it. 969 // Just create a chip the user can edit. 970 String validatedToken = null; 971 if (mValidator != null && !mValidator.isValid(token)) { 972 // Try fixing up the entry using the validator. 973 validatedToken = mValidator.fixText(token).toString(); 974 if (!TextUtils.isEmpty(validatedToken)) { 975 if (validatedToken.contains(token)) { 976 // protect against the case of a validator with a null domain, 977 // which doesn't add a domain to the token 978 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 979 if (tokenized.length > 0) { 980 validatedToken = tokenized[0].getAddress(); 981 } 982 } else { 983 // We ran into a case where the token was invalid and removed 984 // by the validator. In this case, just use the original token 985 // and let the user sort out the error chip. 986 validatedToken = null; 987 } 988 } 989 } 990 // Otherwise, fallback to just creating an editable email address chip. 991 return RecipientEntry 992 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 993 } 994 995 private boolean isValid(String text) { 996 return mValidator == null ? true : mValidator.isValid(text); 997 } 998 999 private String tokenizeAddress(String destination) { 1000 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1001 if (tokens != null && tokens.length > 0) { 1002 return tokens[0].getAddress(); 1003 } 1004 return destination; 1005 } 1006 1007 @Override 1008 public void setTokenizer(Tokenizer tokenizer) { 1009 mTokenizer = tokenizer; 1010 super.setTokenizer(mTokenizer); 1011 } 1012 1013 @Override 1014 public void setValidator(Validator validator) { 1015 mValidator = validator; 1016 super.setValidator(validator); 1017 } 1018 1019 /** 1020 * We cannot use the default mechanism for replaceText. Instead, 1021 * we override onItemClickListener so we can get all the associated 1022 * contact information including display text, address, and id. 1023 */ 1024 @Override 1025 protected void replaceText(CharSequence text) { 1026 return; 1027 } 1028 1029 /** 1030 * Dismiss any selected chips when the back key is pressed. 1031 */ 1032 @Override 1033 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1034 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1035 clearSelectedChip(); 1036 return true; 1037 } 1038 return super.onKeyPreIme(keyCode, event); 1039 } 1040 1041 /** 1042 * Monitor key presses in this view to see if the user types 1043 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1044 * If the user has entered text that has contact matches and types 1045 * a commit key, create a chip from the topmost matching contact. 1046 * If the user has entered text that has no contact matches and types 1047 * a commit key, then create a chip from the text they have entered. 1048 */ 1049 @Override 1050 public boolean onKeyUp(int keyCode, KeyEvent event) { 1051 switch (keyCode) { 1052 case KeyEvent.KEYCODE_ENTER: 1053 case KeyEvent.KEYCODE_DPAD_CENTER: 1054 if (event.hasNoModifiers()) { 1055 if (commitDefault()) { 1056 return true; 1057 } 1058 if (mSelectedChip != null) { 1059 clearSelectedChip(); 1060 return true; 1061 } else if (focusNext()) { 1062 return true; 1063 } 1064 } 1065 break; 1066 case KeyEvent.KEYCODE_TAB: 1067 if (event.hasNoModifiers()) { 1068 if (mSelectedChip != null) { 1069 clearSelectedChip(); 1070 } else { 1071 commitDefault(); 1072 } 1073 if (focusNext()) { 1074 return true; 1075 } 1076 } 1077 break; 1078 } 1079 return super.onKeyUp(keyCode, event); 1080 } 1081 1082 private boolean focusNext() { 1083 View next = focusSearch(View.FOCUS_DOWN); 1084 if (next != null) { 1085 next.requestFocus(); 1086 return true; 1087 } 1088 return false; 1089 } 1090 1091 /** 1092 * Create a chip from the default selection. If the popup is showing, the 1093 * default is the first item in the popup suggestions list. Otherwise, it is 1094 * whatever the user had typed in. End represents where the the tokenizer 1095 * should search for a token to turn into a chip. 1096 * @return If a chip was created from a real contact. 1097 */ 1098 private boolean commitDefault() { 1099 // If there is no tokenizer, don't try to commit. 1100 if (mTokenizer == null) { 1101 return false; 1102 } 1103 Editable editable = getText(); 1104 int end = getSelectionEnd(); 1105 int start = mTokenizer.findTokenStart(editable, end); 1106 1107 if (shouldCreateChip(start, end)) { 1108 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1109 // In the middle of chip; treat this as an edit 1110 // and commit the whole token. 1111 if (whatEnd != getSelectionEnd()) { 1112 handleEdit(start, whatEnd); 1113 return true; 1114 } 1115 return commitChip(start, end , editable); 1116 } 1117 return false; 1118 } 1119 1120 private void commitByCharacter() { 1121 // We can't possibly commit by character if we can't tokenize. 1122 if (mTokenizer == null) { 1123 return; 1124 } 1125 Editable editable = getText(); 1126 int end = getSelectionEnd(); 1127 int start = mTokenizer.findTokenStart(editable, end); 1128 if (shouldCreateChip(start, end)) { 1129 commitChip(start, end, editable); 1130 } 1131 setSelection(getText().length()); 1132 } 1133 1134 private boolean commitChip(int start, int end, Editable editable) { 1135 ListAdapter adapter = getAdapter(); 1136 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1137 && end == getSelectionEnd() && !isPhoneQuery()) { 1138 // choose the first entry. 1139 submitItemAtPosition(0); 1140 dismissDropDown(); 1141 return true; 1142 } else { 1143 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1144 if (editable.length() > tokenEnd + 1) { 1145 char charAt = editable.charAt(tokenEnd + 1); 1146 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1147 tokenEnd++; 1148 } 1149 } 1150 String text = editable.toString().substring(start, tokenEnd).trim(); 1151 clearComposingText(); 1152 if (text != null && text.length() > 0 && !text.equals(" ")) { 1153 RecipientEntry entry = createTokenizedEntry(text); 1154 if (entry != null) { 1155 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1156 CharSequence chipText = createChip(entry, false); 1157 if (chipText != null && start > -1 && end > -1) { 1158 editable.replace(start, end, chipText); 1159 } 1160 } 1161 // Only dismiss the dropdown if it is related to the text we 1162 // just committed. 1163 // For paste, it may not be as there are possibly multiple 1164 // tokens being added. 1165 if (end == getSelectionEnd()) { 1166 dismissDropDown(); 1167 } 1168 sanitizeBetween(); 1169 return true; 1170 } 1171 } 1172 return false; 1173 } 1174 1175 // Visible for testing. 1176 /* package */ void sanitizeBetween() { 1177 // Don't sanitize while we are waiting for content to chipify. 1178 if (mPendingChipsCount > 0) { 1179 return; 1180 } 1181 // Find the last chip. 1182 RecipientChip[] recips = getSortedRecipients(); 1183 if (recips != null && recips.length > 0) { 1184 RecipientChip last = recips[recips.length - 1]; 1185 RecipientChip beforeLast = null; 1186 if (recips.length > 1) { 1187 beforeLast = recips[recips.length - 2]; 1188 } 1189 int startLooking = 0; 1190 int end = getSpannable().getSpanStart(last); 1191 if (beforeLast != null) { 1192 startLooking = getSpannable().getSpanEnd(beforeLast); 1193 Editable text = getText(); 1194 if (startLooking == -1 || startLooking > text.length() - 1) { 1195 // There is nothing after this chip. 1196 return; 1197 } 1198 if (text.charAt(startLooking) == ' ') { 1199 startLooking++; 1200 } 1201 } 1202 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1203 getText().delete(startLooking, end); 1204 } 1205 } 1206 } 1207 1208 private boolean shouldCreateChip(int start, int end) { 1209 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1210 } 1211 1212 private boolean alreadyHasChip(int start, int end) { 1213 if (mNoChips) { 1214 return true; 1215 } 1216 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1217 if ((chips == null || chips.length == 0)) { 1218 return false; 1219 } 1220 return true; 1221 } 1222 1223 private void handleEdit(int start, int end) { 1224 if (start == -1 || end == -1) { 1225 // This chip no longer exists in the field. 1226 dismissDropDown(); 1227 return; 1228 } 1229 // This is in the middle of a chip, so select out the whole chip 1230 // and commit it. 1231 Editable editable = getText(); 1232 setSelection(end); 1233 String text = getText().toString().substring(start, end); 1234 if (!TextUtils.isEmpty(text)) { 1235 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1236 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1237 CharSequence chipText = createChip(entry, false); 1238 int selEnd = getSelectionEnd(); 1239 if (chipText != null && start > -1 && selEnd > -1) { 1240 editable.replace(start, selEnd, chipText); 1241 } 1242 } 1243 dismissDropDown(); 1244 } 1245 1246 /** 1247 * If there is a selected chip, delegate the key events 1248 * to the selected chip. 1249 */ 1250 @Override 1251 public boolean onKeyDown(int keyCode, KeyEvent event) { 1252 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1253 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1254 mAlternatesPopup.dismiss(); 1255 } 1256 removeChip(mSelectedChip); 1257 } 1258 1259 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1260 return true; 1261 } 1262 1263 return super.onKeyDown(keyCode, event); 1264 } 1265 1266 // Visible for testing. 1267 /* package */ Spannable getSpannable() { 1268 return getText(); 1269 } 1270 1271 private int getChipStart(RecipientChip chip) { 1272 return getSpannable().getSpanStart(chip); 1273 } 1274 1275 private int getChipEnd(RecipientChip chip) { 1276 return getSpannable().getSpanEnd(chip); 1277 } 1278 1279 /** 1280 * Instead of filtering on the entire contents of the edit box, 1281 * this subclass method filters on the range from 1282 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1283 * if the length of that range meets or exceeds {@link #getThreshold} 1284 * and makes sure that the range is not already a Chip. 1285 */ 1286 @Override 1287 protected void performFiltering(CharSequence text, int keyCode) { 1288 if (enoughToFilter() && !isCompletedToken(text)) { 1289 int end = getSelectionEnd(); 1290 int start = mTokenizer.findTokenStart(text, end); 1291 // If this is a RecipientChip, don't filter 1292 // on its contents. 1293 Spannable span = getSpannable(); 1294 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1295 if (chips != null && chips.length > 0) { 1296 return; 1297 } 1298 } 1299 super.performFiltering(text, keyCode); 1300 } 1301 1302 // Visible for testing. 1303 /*package*/ boolean isCompletedToken(CharSequence text) { 1304 if (TextUtils.isEmpty(text)) { 1305 return false; 1306 } 1307 // Check to see if this is a completed token before filtering. 1308 int end = text.length(); 1309 int start = mTokenizer.findTokenStart(text, end); 1310 String token = text.toString().substring(start, end).trim(); 1311 if (!TextUtils.isEmpty(token)) { 1312 char atEnd = token.charAt(token.length() - 1); 1313 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1314 } 1315 return false; 1316 } 1317 1318 private void clearSelectedChip() { 1319 if (mSelectedChip != null) { 1320 unselectChip(mSelectedChip); 1321 mSelectedChip = null; 1322 } 1323 setCursorVisible(true); 1324 } 1325 1326 /** 1327 * Monitor touch events in the RecipientEditTextView. 1328 * If the view does not have focus, any tap on the view 1329 * will just focus the view. If the view has focus, determine 1330 * if the touch target is a recipient chip. If it is and the chip 1331 * is not selected, select it and clear any other selected chips. 1332 * If it isn't, then select that chip. 1333 */ 1334 @Override 1335 public boolean onTouchEvent(MotionEvent event) { 1336 if (!isFocused()) { 1337 // Ignore any chip taps until this view is focused. 1338 return super.onTouchEvent(event); 1339 } 1340 boolean handled = super.onTouchEvent(event); 1341 int action = event.getAction(); 1342 boolean chipWasSelected = false; 1343 if (mSelectedChip == null) { 1344 mGestureDetector.onTouchEvent(event); 1345 } 1346 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1347 float x = event.getX(); 1348 float y = event.getY(); 1349 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1350 RecipientChip currentChip = findChip(offset); 1351 if (currentChip != null) { 1352 if (action == MotionEvent.ACTION_UP) { 1353 if (mSelectedChip != null && mSelectedChip != currentChip) { 1354 clearSelectedChip(); 1355 mSelectedChip = selectChip(currentChip); 1356 } else if (mSelectedChip == null) { 1357 setSelection(getText().length()); 1358 commitDefault(); 1359 mSelectedChip = selectChip(currentChip); 1360 } else { 1361 onClick(mSelectedChip, offset, x, y); 1362 } 1363 } 1364 chipWasSelected = true; 1365 handled = true; 1366 } else if (mSelectedChip != null 1367 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1368 chipWasSelected = true; 1369 } 1370 } 1371 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1372 clearSelectedChip(); 1373 } 1374 return handled; 1375 } 1376 1377 private void scrollLineIntoView(int line) { 1378 if (mScrollView != null) { 1379 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1380 } 1381 } 1382 1383 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1384 int width, Context context) { 1385 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1386 int bottom; 1387 if (line == getLineCount() -1) { 1388 bottom = 0; 1389 } else { 1390 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1391 - line))); 1392 } 1393 // Align the alternates popup with the left side of the View, 1394 // regardless of the position of the chip tapped. 1395 alternatesPopup.setWidth(width); 1396 alternatesPopup.setAnchorView(this); 1397 alternatesPopup.setVerticalOffset(bottom); 1398 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1399 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1400 // Clear the checked item. 1401 mCheckedItem = -1; 1402 alternatesPopup.show(); 1403 ListView listView = alternatesPopup.getListView(); 1404 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1405 // Checked item would be -1 if the adapter has not 1406 // loaded the view that should be checked yet. The 1407 // variable will be set correctly when onCheckedItemChanged 1408 // is called in a separate thread. 1409 if (mCheckedItem != -1) { 1410 listView.setItemChecked(mCheckedItem, true); 1411 mCheckedItem = -1; 1412 } 1413 } 1414 1415 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1416 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1417 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1418 } 1419 1420 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1421 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1422 .getEntry()); 1423 } 1424 1425 @Override 1426 public void onCheckedItemChanged(int position) { 1427 ListView listView = mAlternatesPopup.getListView(); 1428 if (listView != null && listView.getCheckedItemCount() == 0) { 1429 listView.setItemChecked(position, true); 1430 } 1431 mCheckedItem = position; 1432 } 1433 1434 // TODO: This algorithm will need a lot of tweaking after more people have used 1435 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1436 // what comes before the finger. 1437 private int putOffsetInRange(int o) { 1438 int offset = o; 1439 Editable text = getText(); 1440 int length = text.length(); 1441 // Remove whitespace from end to find "real end" 1442 int realLength = length; 1443 for (int i = length - 1; i >= 0; i--) { 1444 if (text.charAt(i) == ' ') { 1445 realLength--; 1446 } else { 1447 break; 1448 } 1449 } 1450 1451 // If the offset is beyond or at the end of the text, 1452 // leave it alone. 1453 if (offset >= realLength) { 1454 return offset; 1455 } 1456 Editable editable = getText(); 1457 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1458 // Keep walking backward! 1459 offset--; 1460 } 1461 return offset; 1462 } 1463 1464 private int findText(Editable text, int offset) { 1465 if (text.charAt(offset) != ' ') { 1466 return offset; 1467 } 1468 return -1; 1469 } 1470 1471 private RecipientChip findChip(int offset) { 1472 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1473 // Find the chip that contains this offset. 1474 for (int i = 0; i < chips.length; i++) { 1475 RecipientChip chip = chips[i]; 1476 int start = getChipStart(chip); 1477 int end = getChipEnd(chip); 1478 if (offset >= start && offset <= end) { 1479 return chip; 1480 } 1481 } 1482 return null; 1483 } 1484 1485 // Visible for testing. 1486 // Use this method to generate text to add to the list of addresses. 1487 /* package */String createAddressText(RecipientEntry entry) { 1488 String display = entry.getDisplayName(); 1489 String address = entry.getDestination(); 1490 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1491 display = null; 1492 } 1493 String trimmedDisplayText; 1494 if (isPhoneQuery() && isPhoneNumber(address)) { 1495 trimmedDisplayText = address.trim(); 1496 } else { 1497 if (address != null) { 1498 // Tokenize out the address in case the address already 1499 // contained the username as well. 1500 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1501 if (tokenized != null && tokenized.length > 0) { 1502 address = tokenized[0].getAddress(); 1503 } 1504 } 1505 Rfc822Token token = new Rfc822Token(display, address, null); 1506 trimmedDisplayText = token.toString().trim(); 1507 } 1508 int index = trimmedDisplayText.indexOf(","); 1509 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1510 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1511 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1512 } 1513 1514 // Visible for testing. 1515 // Use this method to generate text to display in a chip. 1516 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1517 String display = entry.getDisplayName(); 1518 String address = entry.getDestination(); 1519 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1520 display = null; 1521 } 1522 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1523 // Tokenize out the address in case the address already 1524 // contained the username as well. 1525 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1526 if (tokenized != null && tokenized.length > 0) { 1527 address = tokenized[0].getAddress(); 1528 } 1529 } 1530 if (!TextUtils.isEmpty(display)) { 1531 return display; 1532 } else if (!TextUtils.isEmpty(address)){ 1533 return address; 1534 } else { 1535 return new Rfc822Token(display, address, null).toString(); 1536 } 1537 } 1538 1539 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1540 String displayText = createAddressText(entry); 1541 if (TextUtils.isEmpty(displayText)) { 1542 return null; 1543 } 1544 SpannableString chipText = null; 1545 // Always leave a blank space at the end of a chip. 1546 int end = getSelectionEnd(); 1547 int start = mTokenizer.findTokenStart(getText(), end); 1548 int textLength = displayText.length()-1; 1549 chipText = new SpannableString(displayText); 1550 if (!mNoChips) { 1551 try { 1552 RecipientChip chip = constructChipSpan(entry, start, pressed); 1553 chipText.setSpan(chip, 0, textLength, 1554 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1555 chip.setOriginalText(chipText.toString()); 1556 } catch (NullPointerException e) { 1557 Log.e(TAG, e.getMessage(), e); 1558 return null; 1559 } 1560 } 1561 return chipText; 1562 } 1563 1564 /** 1565 * When an item in the suggestions list has been clicked, create a chip from the 1566 * contact information of the selected item. 1567 */ 1568 @Override 1569 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1570 submitItemAtPosition(position); 1571 } 1572 1573 private void submitItemAtPosition(int position) { 1574 RecipientEntry entry = createValidatedEntry( 1575 (RecipientEntry)getAdapter().getItem(position)); 1576 if (entry == null) { 1577 return; 1578 } 1579 clearComposingText(); 1580 1581 int end = getSelectionEnd(); 1582 int start = mTokenizer.findTokenStart(getText(), end); 1583 1584 Editable editable = getText(); 1585 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1586 CharSequence chip = createChip(entry, false); 1587 if (chip != null && start >= 0 && end >= 0) { 1588 editable.replace(start, end, chip); 1589 } 1590 sanitizeBetween(); 1591 } 1592 1593 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1594 if (item == null) { 1595 return null; 1596 } 1597 final RecipientEntry entry; 1598 // If the display name and the address are the same, or if this is a 1599 // valid contact, but the destination is invalid, then make this a fake 1600 // recipient that is editable. 1601 String destination = item.getDestination(); 1602 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1603 && (TextUtils.isEmpty(item.getDisplayName()) 1604 || TextUtils.equals(item.getDisplayName(), destination) 1605 || (mValidator != null && !mValidator.isValid(destination)))) { 1606 entry = RecipientEntry.constructFakeEntry(destination); 1607 } else { 1608 entry = item; 1609 } 1610 return entry; 1611 } 1612 1613 /** Returns a collection of contact Id for each chip inside this View. */ 1614 /* package */ Collection<Long> getContactIds() { 1615 final Set<Long> result = new HashSet<Long>(); 1616 RecipientChip[] chips = getSortedRecipients(); 1617 if (chips != null) { 1618 for (RecipientChip chip : chips) { 1619 result.add(chip.getContactId()); 1620 } 1621 } 1622 return result; 1623 } 1624 1625 1626 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1627 /* package */ Collection<Long> getDataIds() { 1628 final Set<Long> result = new HashSet<Long>(); 1629 RecipientChip [] chips = getSortedRecipients(); 1630 if (chips != null) { 1631 for (RecipientChip chip : chips) { 1632 result.add(chip.getDataId()); 1633 } 1634 } 1635 return result; 1636 } 1637 1638 // Visible for testing. 1639 /* package */RecipientChip[] getSortedRecipients() { 1640 RecipientChip[] recips = getSpannable() 1641 .getSpans(0, getText().length(), RecipientChip.class); 1642 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1643 .asList(recips)); 1644 final Spannable spannable = getSpannable(); 1645 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1646 1647 @Override 1648 public int compare(RecipientChip first, RecipientChip second) { 1649 int firstStart = spannable.getSpanStart(first); 1650 int secondStart = spannable.getSpanStart(second); 1651 if (firstStart < secondStart) { 1652 return -1; 1653 } else if (firstStart > secondStart) { 1654 return 1; 1655 } else { 1656 return 0; 1657 } 1658 } 1659 }); 1660 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1661 } 1662 1663 @Override 1664 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1665 return false; 1666 } 1667 1668 @Override 1669 public void onDestroyActionMode(ActionMode mode) { 1670 } 1671 1672 @Override 1673 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1674 return false; 1675 } 1676 1677 /** 1678 * No chips are selectable. 1679 */ 1680 @Override 1681 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1682 return false; 1683 } 1684 1685 // Visible for testing. 1686 /* package */ImageSpan getMoreChip() { 1687 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1688 MoreImageSpan.class); 1689 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1690 } 1691 1692 private MoreImageSpan createMoreSpan(int count) { 1693 String moreText = String.format(mMoreItem.getText().toString(), count); 1694 TextPaint morePaint = new TextPaint(getPaint()); 1695 morePaint.setTextSize(mMoreItem.getTextSize()); 1696 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1697 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1698 + mMoreItem.getPaddingRight(); 1699 int height = getLineHeight(); 1700 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1701 Canvas canvas = new Canvas(drawable); 1702 int adjustedHeight = height; 1703 Layout layout = getLayout(); 1704 if (layout != null) { 1705 adjustedHeight -= layout.getLineDescent(0); 1706 } 1707 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1708 1709 Drawable result = new BitmapDrawable(getResources(), drawable); 1710 result.setBounds(0, 0, width, height); 1711 return new MoreImageSpan(result); 1712 } 1713 1714 // Visible for testing. 1715 /*package*/ void createMoreChipPlainText() { 1716 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1717 Editable text = getText(); 1718 int start = 0; 1719 int end = start; 1720 for (int i = 0; i < CHIP_LIMIT; i++) { 1721 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1722 start = end; // move to the next token and get its end. 1723 } 1724 // Now, count total addresses. 1725 start = 0; 1726 int tokenCount = countTokens(text); 1727 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1728 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1729 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1730 text.replace(end, text.length(), chipText); 1731 mMoreChip = moreSpan; 1732 } 1733 1734 // Visible for testing. 1735 /* package */int countTokens(Editable text) { 1736 int tokenCount = 0; 1737 int start = 0; 1738 while (start < text.length()) { 1739 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1740 tokenCount++; 1741 if (start >= text.length()) { 1742 break; 1743 } 1744 } 1745 return tokenCount; 1746 } 1747 1748 /** 1749 * Create the more chip. The more chip is text that replaces any chips that 1750 * do not fit in the pre-defined available space when the 1751 * RecipientEditTextView loses focus. 1752 */ 1753 // Visible for testing. 1754 /* package */ void createMoreChip() { 1755 if (mNoChips) { 1756 createMoreChipPlainText(); 1757 return; 1758 } 1759 1760 if (!mShouldShrink) { 1761 return; 1762 } 1763 1764 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1765 if (tempMore.length > 0) { 1766 getSpannable().removeSpan(tempMore[0]); 1767 } 1768 RecipientChip[] recipients = getSortedRecipients(); 1769 1770 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1771 mMoreChip = null; 1772 return; 1773 } 1774 Spannable spannable = getSpannable(); 1775 int numRecipients = recipients.length; 1776 int overage = numRecipients - CHIP_LIMIT; 1777 MoreImageSpan moreSpan = createMoreSpan(overage); 1778 mRemovedSpans = new ArrayList<RecipientChip>(); 1779 int totalReplaceStart = 0; 1780 int totalReplaceEnd = 0; 1781 Editable text = getText(); 1782 for (int i = numRecipients - overage; i < recipients.length; i++) { 1783 mRemovedSpans.add(recipients[i]); 1784 if (i == numRecipients - overage) { 1785 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1786 } 1787 if (i == recipients.length - 1) { 1788 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1789 } 1790 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1791 int spanStart = spannable.getSpanStart(recipients[i]); 1792 int spanEnd = spannable.getSpanEnd(recipients[i]); 1793 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1794 } 1795 spannable.removeSpan(recipients[i]); 1796 } 1797 if (totalReplaceEnd < text.length()) { 1798 totalReplaceEnd = text.length(); 1799 } 1800 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1801 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1802 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1803 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1804 text.replace(start, end, chipText); 1805 mMoreChip = moreSpan; 1806 } 1807 1808 /** 1809 * Replace the more chip, if it exists, with all of the recipient chips it had 1810 * replaced when the RecipientEditTextView gains focus. 1811 */ 1812 // Visible for testing. 1813 /*package*/ void removeMoreChip() { 1814 if (mMoreChip != null) { 1815 Spannable span = getSpannable(); 1816 span.removeSpan(mMoreChip); 1817 mMoreChip = null; 1818 // Re-add the spans that were removed. 1819 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1820 // Recreate each removed span. 1821 RecipientChip[] recipients = getSortedRecipients(); 1822 // Start the search for tokens after the last currently visible 1823 // chip. 1824 if (recipients == null || recipients.length == 0) { 1825 return; 1826 } 1827 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1828 Editable editable = getText(); 1829 for (RecipientChip chip : mRemovedSpans) { 1830 int chipStart; 1831 int chipEnd; 1832 String token; 1833 // Need to find the location of the chip, again. 1834 token = (String) chip.getOriginalText(); 1835 // As we find the matching recipient for the remove spans, 1836 // reduce the size of the string we need to search. 1837 // That way, if there are duplicates, we always find the correct 1838 // recipient. 1839 chipStart = editable.toString().indexOf(token, end); 1840 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1841 // Only set the span if we found a matching token. 1842 if (chipStart != -1) { 1843 editable.setSpan(chip, chipStart, chipEnd, 1844 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1845 } 1846 } 1847 mRemovedSpans.clear(); 1848 } 1849 } 1850 } 1851 1852 /** 1853 * Show specified chip as selected. If the RecipientChip is just an email address, 1854 * selecting the chip will take the contents of the chip and place it at 1855 * the end of the RecipientEditTextView for inline editing. If the 1856 * RecipientChip is a complete contact, then selecting the chip 1857 * will change the background color of the chip, show the delete icon, 1858 * and a popup window with the address in use highlighted and any other 1859 * alternate addresses for the contact. 1860 * @param currentChip Chip to select. 1861 * @return A RecipientChip in the selected state or null if the chip 1862 * just contained an email address. 1863 */ 1864 private RecipientChip selectChip(RecipientChip currentChip) { 1865 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1866 CharSequence text = currentChip.getValue(); 1867 Editable editable = getText(); 1868 removeChip(currentChip); 1869 editable.append(text); 1870 setCursorVisible(true); 1871 setSelection(editable.length()); 1872 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1873 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1874 int start = getChipStart(currentChip); 1875 int end = getChipEnd(currentChip); 1876 getSpannable().removeSpan(currentChip); 1877 RecipientChip newChip; 1878 try { 1879 if (mNoChips) { 1880 return null; 1881 } 1882 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1883 } catch (NullPointerException e) { 1884 Log.e(TAG, e.getMessage(), e); 1885 return null; 1886 } 1887 Editable editable = getText(); 1888 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1889 if (start == -1 || end == -1) { 1890 Log.d(TAG, "The chip being selected no longer exists but should."); 1891 } else { 1892 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1893 } 1894 newChip.setSelected(true); 1895 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1896 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1897 } 1898 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1899 setCursorVisible(false); 1900 return newChip; 1901 } else { 1902 int start = getChipStart(currentChip); 1903 int end = getChipEnd(currentChip); 1904 getSpannable().removeSpan(currentChip); 1905 RecipientChip newChip; 1906 try { 1907 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1908 } catch (NullPointerException e) { 1909 Log.e(TAG, e.getMessage(), e); 1910 return null; 1911 } 1912 Editable editable = getText(); 1913 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1914 if (start == -1 || end == -1) { 1915 Log.d(TAG, "The chip being selected no longer exists but should."); 1916 } else { 1917 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1918 } 1919 newChip.setSelected(true); 1920 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1921 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1922 } 1923 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1924 setCursorVisible(false); 1925 return newChip; 1926 } 1927 } 1928 1929 1930 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1931 int width, Context context) { 1932 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1933 int bottom = calculateOffsetFromBottom(line); 1934 // Align the alternates popup with the left side of the View, 1935 // regardless of the position of the chip tapped. 1936 popup.setWidth(width); 1937 popup.setAnchorView(this); 1938 popup.setVerticalOffset(bottom); 1939 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1940 popup.setOnItemClickListener(new OnItemClickListener() { 1941 @Override 1942 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1943 unselectChip(currentChip); 1944 popup.dismiss(); 1945 } 1946 }); 1947 popup.show(); 1948 ListView listView = popup.getListView(); 1949 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1950 listView.setItemChecked(0, true); 1951 } 1952 1953 /** 1954 * Remove selection from this chip. Unselecting a RecipientChip will render 1955 * the chip without a delete icon and with an unfocused background. This is 1956 * called when the RecipientChip no longer has focus. 1957 */ 1958 private void unselectChip(RecipientChip chip) { 1959 int start = getChipStart(chip); 1960 int end = getChipEnd(chip); 1961 Editable editable = getText(); 1962 mSelectedChip = null; 1963 if (start == -1 || end == -1) { 1964 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1965 setSelection(editable.length()); 1966 commitDefault(); 1967 } else { 1968 getSpannable().removeSpan(chip); 1969 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1970 editable.removeSpan(chip); 1971 try { 1972 if (!mNoChips) { 1973 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1974 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1975 } 1976 } catch (NullPointerException e) { 1977 Log.e(TAG, e.getMessage(), e); 1978 } 1979 } 1980 setCursorVisible(true); 1981 setSelection(editable.length()); 1982 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1983 mAlternatesPopup.dismiss(); 1984 } 1985 } 1986 1987 /** 1988 * Return whether a touch event was inside the delete target of 1989 * a selected chip. It is in the delete target if: 1990 * 1) the x and y points of the event are within the 1991 * delete assset. 1992 * 2) the point tapped would have caused a cursor to appear 1993 * right after the selected chip. 1994 * @return boolean 1995 */ 1996 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1997 // Figure out the bounds of this chip and whether or not 1998 // the user clicked in the X portion. 1999 return chip.isSelected() && offset == getChipEnd(chip); 2000 } 2001 2002 /** 2003 * Remove the chip and any text associated with it from the RecipientEditTextView. 2004 */ 2005 // Visible for testing. 2006 /*pacakge*/ void removeChip(RecipientChip chip) { 2007 Spannable spannable = getSpannable(); 2008 int spanStart = spannable.getSpanStart(chip); 2009 int spanEnd = spannable.getSpanEnd(chip); 2010 Editable text = getText(); 2011 int toDelete = spanEnd; 2012 boolean wasSelected = chip == mSelectedChip; 2013 // Clear that there is a selected chip before updating any text. 2014 if (wasSelected) { 2015 mSelectedChip = null; 2016 } 2017 // Always remove trailing spaces when removing a chip. 2018 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2019 toDelete++; 2020 } 2021 spannable.removeSpan(chip); 2022 if (spanStart >= 0 && toDelete > 0) { 2023 text.delete(spanStart, toDelete); 2024 } 2025 if (wasSelected) { 2026 clearSelectedChip(); 2027 } 2028 } 2029 2030 /** 2031 * Replace this currently selected chip with a new chip 2032 * that uses the contact data provided. 2033 */ 2034 // Visible for testing. 2035 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2036 boolean wasSelected = chip == mSelectedChip; 2037 if (wasSelected) { 2038 mSelectedChip = null; 2039 } 2040 int start = getChipStart(chip); 2041 int end = getChipEnd(chip); 2042 getSpannable().removeSpan(chip); 2043 Editable editable = getText(); 2044 CharSequence chipText = createChip(entry, false); 2045 if (chipText != null) { 2046 if (start == -1 || end == -1) { 2047 Log.e(TAG, "The chip to replace does not exist but should."); 2048 editable.insert(0, chipText); 2049 } else { 2050 if (!TextUtils.isEmpty(chipText)) { 2051 // There may be a space to replace with this chip's new 2052 // associated space. Check for it 2053 int toReplace = end; 2054 while (toReplace >= 0 && toReplace < editable.length() 2055 && editable.charAt(toReplace) == ' ') { 2056 toReplace++; 2057 } 2058 editable.replace(start, toReplace, chipText); 2059 } 2060 } 2061 } 2062 setCursorVisible(true); 2063 if (wasSelected) { 2064 clearSelectedChip(); 2065 } 2066 } 2067 2068 /** 2069 * Handle click events for a chip. When a selected chip receives a click 2070 * event, see if that event was in the delete icon. If so, delete it. 2071 * Otherwise, unselect the chip. 2072 */ 2073 public void onClick(RecipientChip chip, int offset, float x, float y) { 2074 if (chip.isSelected()) { 2075 if (isInDelete(chip, offset, x, y)) { 2076 removeChip(chip); 2077 } else { 2078 clearSelectedChip(); 2079 } 2080 } 2081 } 2082 2083 private boolean chipsPending() { 2084 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2085 } 2086 2087 @Override 2088 public void removeTextChangedListener(TextWatcher watcher) { 2089 mTextWatcher = null; 2090 super.removeTextChangedListener(watcher); 2091 } 2092 2093 private class RecipientTextWatcher implements TextWatcher { 2094 2095 @Override 2096 public void afterTextChanged(Editable s) { 2097 // If the text has been set to null or empty, make sure we remove 2098 // all the spans we applied. 2099 if (TextUtils.isEmpty(s)) { 2100 // Remove all the chips spans. 2101 Spannable spannable = getSpannable(); 2102 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2103 RecipientChip.class); 2104 for (RecipientChip chip : chips) { 2105 spannable.removeSpan(chip); 2106 } 2107 if (mMoreChip != null) { 2108 spannable.removeSpan(mMoreChip); 2109 } 2110 return; 2111 } 2112 // Get whether there are any recipients pending addition to the 2113 // view. If there are, don't do anything in the text watcher. 2114 if (chipsPending()) { 2115 return; 2116 } 2117 // If the user is editing a chip, don't clear it. 2118 if (mSelectedChip != null 2119 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2120 setCursorVisible(true); 2121 setSelection(getText().length()); 2122 clearSelectedChip(); 2123 } 2124 int length = s.length(); 2125 // Make sure there is content there to parse and that it is 2126 // not just the commit character. 2127 if (length > 1) { 2128 char last; 2129 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2130 int len = length() - 1; 2131 if (end != len) { 2132 last = s.charAt(end); 2133 } else { 2134 last = s.charAt(len); 2135 } 2136 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2137 commitByCharacter(); 2138 } else if (last == COMMIT_CHAR_SPACE) { 2139 if (!isPhoneQuery()) { 2140 // Check if this is a valid email address. If it is, 2141 // commit it. 2142 String text = getText().toString(); 2143 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2144 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2145 tokenStart)); 2146 if (!TextUtils.isEmpty(sub) && mValidator != null && 2147 mValidator.isValid(sub)) { 2148 commitByCharacter(); 2149 } 2150 } 2151 } 2152 } 2153 } 2154 2155 @Override 2156 public void onTextChanged(CharSequence s, int start, int before, int count) { 2157 // This is a delete; check to see if the insertion point is on a space 2158 // following a chip. 2159 if (before > count) { 2160 // If the item deleted is a space, and the thing before the 2161 // space is a chip, delete the entire span. 2162 int selStart = getSelectionStart(); 2163 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2164 RecipientChip.class); 2165 if (repl.length > 0) { 2166 // There is a chip there! Just remove it. 2167 Editable editable = getText(); 2168 // Add the separator token. 2169 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2170 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2171 tokenEnd = tokenEnd + 1; 2172 if (tokenEnd > editable.length()) { 2173 tokenEnd = editable.length(); 2174 } 2175 editable.delete(tokenStart, tokenEnd); 2176 getSpannable().removeSpan(repl[0]); 2177 } 2178 } else if (count > before) { 2179 // Only scroll when the user is adding text, not clearing text. 2180 scrollBottomIntoView(); 2181 } 2182 } 2183 2184 @Override 2185 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2186 // Do nothing. 2187 } 2188 } 2189 2190 private void scrollBottomIntoView() { 2191 if (mScrollView != null) { 2192 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2193 } 2194 } 2195 2196 /** 2197 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2198 */ 2199 private void handlePasteClip(ClipData clip) { 2200 removeTextChangedListener(mTextWatcher); 2201 2202 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2203 for (int i = 0; i < clip.getItemCount(); i++) { 2204 CharSequence paste = clip.getItemAt(i).getText(); 2205 if (paste != null) { 2206 int start = getSelectionStart(); 2207 int end = getSelectionEnd(); 2208 Editable editable = getText(); 2209 if (start >= 0 && end >= 0 && start != end) { 2210 editable.append(paste, start, end); 2211 } else { 2212 editable.insert(end, paste); 2213 } 2214 handlePasteAndReplace(); 2215 } 2216 } 2217 } 2218 2219 mHandler.post(mAddTextWatcher); 2220 } 2221 2222 @Override 2223 public boolean onTextContextMenuItem(int id) { 2224 if (id == android.R.id.paste) { 2225 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2226 Context.CLIPBOARD_SERVICE); 2227 handlePasteClip(clipboard.getPrimaryClip()); 2228 return true; 2229 } 2230 return super.onTextContextMenuItem(id); 2231 } 2232 2233 private void handlePasteAndReplace() { 2234 ArrayList<RecipientChip> created = handlePaste(); 2235 if (created != null && created.size() > 0) { 2236 // Perform reverse lookups on the pasted contacts. 2237 IndividualReplacementTask replace = new IndividualReplacementTask(); 2238 replace.execute(created); 2239 } 2240 } 2241 2242 // Visible for testing. 2243 /* package */ArrayList<RecipientChip> handlePaste() { 2244 String text = getText().toString(); 2245 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2246 String lastAddress = text.substring(originalTokenStart); 2247 int tokenStart = originalTokenStart; 2248 int prevTokenStart = tokenStart; 2249 RecipientChip findChip = null; 2250 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2251 if (tokenStart != 0) { 2252 // There are things before this! 2253 while (tokenStart != 0 && findChip == null) { 2254 prevTokenStart = tokenStart; 2255 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2256 findChip = findChip(tokenStart); 2257 } 2258 if (tokenStart != originalTokenStart) { 2259 if (findChip != null) { 2260 tokenStart = prevTokenStart; 2261 } 2262 int tokenEnd; 2263 RecipientChip createdChip; 2264 while (tokenStart < originalTokenStart) { 2265 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2266 tokenStart)); 2267 commitChip(tokenStart, tokenEnd, getText()); 2268 createdChip = findChip(tokenStart); 2269 if (createdChip == null) { 2270 break; 2271 } 2272 // +1 for the space at the end. 2273 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2274 created.add(createdChip); 2275 } 2276 } 2277 } 2278 // Take a look at the last token. If the token has been completed with a 2279 // commit character, create a chip. 2280 if (isCompletedToken(lastAddress)) { 2281 Editable editable = getText(); 2282 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2283 commitChip(tokenStart, editable.length(), editable); 2284 created.add(findChip(tokenStart)); 2285 } 2286 return created; 2287 } 2288 2289 // Visible for testing. 2290 /* package */int movePastTerminators(int tokenEnd) { 2291 if (tokenEnd >= length()) { 2292 return tokenEnd; 2293 } 2294 char atEnd = getText().toString().charAt(tokenEnd); 2295 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2296 tokenEnd++; 2297 } 2298 // This token had not only an end token character, but also a space 2299 // separating it from the next token. 2300 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2301 tokenEnd++; 2302 } 2303 return tokenEnd; 2304 } 2305 2306 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2307 private RecipientChip createFreeChip(RecipientEntry entry) { 2308 try { 2309 if (mNoChips) { 2310 return null; 2311 } 2312 return constructChipSpan(entry, -1, false); 2313 } catch (NullPointerException e) { 2314 Log.e(TAG, e.getMessage(), e); 2315 return null; 2316 } 2317 } 2318 2319 @Override 2320 protected Void doInBackground(Void... params) { 2321 if (mIndividualReplacements != null) { 2322 mIndividualReplacements.cancel(true); 2323 } 2324 // For each chip in the list, look up the matching contact. 2325 // If there is a match, replace that chip with the matching 2326 // chip. 2327 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2328 RecipientChip[] existingChips = getSortedRecipients(); 2329 for (int i = 0; i < existingChips.length; i++) { 2330 originalRecipients.add(existingChips[i]); 2331 } 2332 if (mRemovedSpans != null) { 2333 originalRecipients.addAll(mRemovedSpans); 2334 } 2335 ArrayList<String> addresses = new ArrayList<String>(); 2336 RecipientChip chip; 2337 for (int i = 0; i < originalRecipients.size(); i++) { 2338 chip = originalRecipients.get(i); 2339 if (chip != null) { 2340 addresses.add(createAddressText(chip.getEntry())); 2341 } 2342 } 2343 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2344 .getMatchingRecipients(getContext(), addresses); 2345 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2346 for (final RecipientChip temp : originalRecipients) { 2347 RecipientEntry entry = null; 2348 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2349 && getSpannable().getSpanStart(temp) != -1) { 2350 // Replace this. 2351 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2352 .getDestination()))); 2353 } 2354 if (entry != null) { 2355 replacements.add(createFreeChip(entry)); 2356 } else { 2357 replacements.add(temp); 2358 } 2359 } 2360 if (replacements != null && replacements.size() > 0) { 2361 mHandler.post(new Runnable() { 2362 @Override 2363 public void run() { 2364 Editable oldText = getText(); 2365 int start, end; 2366 int i = 0; 2367 for (RecipientChip chip : originalRecipients) { 2368 // Find the location of the chip in the text currently shown. 2369 start = oldText.getSpanStart(chip); 2370 if (start != -1) { 2371 end = oldText.getSpanEnd(chip); 2372 oldText.removeSpan(chip); 2373 RecipientChip replacement = replacements.get(i); 2374 // Trim any whitespace, as we will already have 2375 // it added if these are replacement chips. 2376 SpannableString displayText = new SpannableString( 2377 createAddressText(replacement.getEntry()).trim()); 2378 displayText.setSpan(replacement, 0, displayText.length(), 2379 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2380 // Replace the old text we found with with the new display text, 2381 // which now may also contain the display name of the recipient. 2382 oldText.replace(start, end, displayText); 2383 replacement.setOriginalText(displayText.toString()); 2384 } 2385 i++; 2386 } 2387 originalRecipients.clear(); 2388 } 2389 }); 2390 } 2391 return null; 2392 } 2393 } 2394 2395 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2396 @SuppressWarnings("unchecked") 2397 @Override 2398 protected Void doInBackground(Object... params) { 2399 // For each chip in the list, look up the matching contact. 2400 // If there is a match, replace that chip with the matching 2401 // chip. 2402 final ArrayList<RecipientChip> originalRecipients = 2403 (ArrayList<RecipientChip>) params[0]; 2404 ArrayList<String> addresses = new ArrayList<String>(); 2405 RecipientChip chip; 2406 for (int i = 0; i < originalRecipients.size(); i++) { 2407 chip = originalRecipients.get(i); 2408 if (chip != null) { 2409 addresses.add(createAddressText(chip.getEntry())); 2410 } 2411 } 2412 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2413 .getMatchingRecipients(getContext(), addresses); 2414 for (final RecipientChip temp : originalRecipients) { 2415 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2416 && getSpannable().getSpanStart(temp) != -1) { 2417 // Replace this. 2418 final RecipientEntry entry = createValidatedEntry(entries.get(tokenizeAddress( 2419 temp.getEntry().getDestination()).toLowerCase())); 2420 if (entry != null) { 2421 mHandler.post(new Runnable() { 2422 @Override 2423 public void run() { 2424 replaceChip(temp, entry); 2425 } 2426 }); 2427 } 2428 } 2429 } 2430 return null; 2431 } 2432 } 2433 2434 2435 /** 2436 * MoreImageSpan is a simple class created for tracking the existence of a 2437 * more chip across activity restarts/ 2438 */ 2439 private class MoreImageSpan extends ImageSpan { 2440 public MoreImageSpan(Drawable b) { 2441 super(b); 2442 } 2443 } 2444 2445 @Override 2446 public boolean onDown(MotionEvent e) { 2447 return false; 2448 } 2449 2450 @Override 2451 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2452 // Do nothing. 2453 return false; 2454 } 2455 2456 @Override 2457 public void onLongPress(MotionEvent event) { 2458 if (mSelectedChip != null) { 2459 return; 2460 } 2461 float x = event.getX(); 2462 float y = event.getY(); 2463 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2464 RecipientChip currentChip = findChip(offset); 2465 if (currentChip != null) { 2466 if (mDragEnabled) { 2467 // Start drag-and-drop for the selected chip. 2468 startDrag(currentChip); 2469 } else { 2470 // Copy the selected chip email address. 2471 showCopyDialog(currentChip.getEntry().getDestination()); 2472 } 2473 } 2474 } 2475 2476 /** 2477 * Enables drag-and-drop for chips. 2478 */ 2479 public void enableDrag() { 2480 mDragEnabled = true; 2481 } 2482 2483 /** 2484 * Starts drag-and-drop for the selected chip. 2485 */ 2486 private void startDrag(RecipientChip currentChip) { 2487 String address = currentChip.getEntry().getDestination(); 2488 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2489 2490 // Start drag mode. 2491 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2492 2493 // Remove the current chip, so drag-and-drop will result in a move. 2494 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2495 removeChip(currentChip); 2496 } 2497 2498 /** 2499 * Handles drag event. 2500 */ 2501 @Override 2502 public boolean onDragEvent(DragEvent event) { 2503 switch (event.getAction()) { 2504 case DragEvent.ACTION_DRAG_STARTED: 2505 // Only handle plain text drag and drop. 2506 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2507 case DragEvent.ACTION_DRAG_ENTERED: 2508 requestFocus(); 2509 return true; 2510 case DragEvent.ACTION_DROP: 2511 handlePasteClip(event.getClipData()); 2512 return true; 2513 } 2514 return false; 2515 } 2516 2517 /** 2518 * Drag shadow for a {@link RecipientChip}. 2519 */ 2520 private final class RecipientChipShadow extends DragShadowBuilder { 2521 private final RecipientChip mChip; 2522 2523 public RecipientChipShadow(RecipientChip chip) { 2524 mChip = chip; 2525 } 2526 2527 @Override 2528 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2529 Rect rect = mChip.getDrawable().getBounds(); 2530 shadowSize.set(rect.width(), rect.height()); 2531 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2532 } 2533 2534 @Override 2535 public void onDrawShadow(Canvas canvas) { 2536 mChip.getDrawable().draw(canvas); 2537 } 2538 } 2539 2540 private void showCopyDialog(final String address) { 2541 mCopyAddress = address; 2542 mCopyDialog.setTitle(address); 2543 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2544 mCopyDialog.setCancelable(true); 2545 mCopyDialog.setCanceledOnTouchOutside(true); 2546 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2547 button.setOnClickListener(this); 2548 int btnTitleId; 2549 if (isPhoneQuery()) { 2550 btnTitleId = R.string.copy_number; 2551 } else { 2552 btnTitleId = R.string.copy_email; 2553 } 2554 String buttonTitle = getContext().getResources().getString(btnTitleId); 2555 button.setText(buttonTitle); 2556 mCopyDialog.setOnDismissListener(this); 2557 mCopyDialog.show(); 2558 } 2559 2560 @Override 2561 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2562 // Do nothing. 2563 return false; 2564 } 2565 2566 @Override 2567 public void onShowPress(MotionEvent e) { 2568 // Do nothing. 2569 } 2570 2571 @Override 2572 public boolean onSingleTapUp(MotionEvent e) { 2573 // Do nothing. 2574 return false; 2575 } 2576 2577 @Override 2578 public void onDismiss(DialogInterface dialog) { 2579 mCopyAddress = null; 2580 } 2581 2582 @Override 2583 public void onClick(View v) { 2584 // Copy this to the clipboard. 2585 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2586 Context.CLIPBOARD_SERVICE); 2587 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2588 mCopyDialog.dismiss(); 2589 } 2590 2591 protected boolean isPhoneQuery() { 2592 return getAdapter() != null 2593 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2594 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2595 } 2596} 2597