RecipientEditTextView.java revision 03cfe3eee5635e419ab1d70d463b2b8beac72f00
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.PopupWindow; 80import android.widget.ScrollView; 81import android.widget.TextView; 82 83import java.util.ArrayList; 84import java.util.Arrays; 85import java.util.Collection; 86import java.util.Collections; 87import java.util.Comparator; 88import java.util.HashMap; 89import java.util.HashSet; 90import java.util.Set; 91import java.util.regex.Matcher; 92 93/** 94 * RecipientEditTextView is an auto complete text view for use with applications 95 * that use the new Chips UI for addressing a message to recipients. 96 */ 97public class RecipientEditTextView extends MultiAutoCompleteTextView implements 98 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 99 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 100 PopupWindow.OnDismissListener, TextView.OnEditorActionListener { 101 102 private static final char COMMIT_CHAR_COMMA = ','; 103 104 private static final char COMMIT_CHAR_SEMICOLON = ';'; 105 106 private static final char COMMIT_CHAR_SPACE = ' '; 107 108 private static final String TAG = "RecipientEditTextView"; 109 110 private static int DISMISS = "dismiss".hashCode(); 111 112 private static final long DISMISS_DELAY = 300; 113 114 // TODO: get correct number/ algorithm from with UX. 115 // Visible for testing. 116 /*package*/ static final int CHIP_LIMIT = 2; 117 118 private static final int MAX_CHIPS_PARSED = 50; 119 120 private static int sSelectedTextColor = -1; 121 122 // Resources for displaying chips. 123 private Drawable mChipBackground = null; 124 125 private Drawable mChipDelete = null; 126 127 private Drawable mInvalidChipBackground; 128 129 private Drawable mChipBackgroundPressed; 130 131 private float mChipHeight; 132 133 private float mChipFontSize; 134 135 private int mChipPadding; 136 137 private Tokenizer mTokenizer; 138 139 private Validator mValidator; 140 141 private RecipientChip mSelectedChip; 142 143 private int mAlternatesLayout; 144 145 private Bitmap mDefaultContactPhoto; 146 147 private ImageSpan mMoreChip; 148 149 private TextView mMoreItem; 150 151 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 152 153 private Handler mHandler; 154 155 private int mPendingChipsCount = 0; 156 157 private boolean mNoChips = false; 158 159 private ListPopupWindow mAlternatesPopup; 160 161 private ListPopupWindow mAddressPopup; 162 163 private ArrayList<RecipientChip> mTemporaryRecipients; 164 165 private ArrayList<RecipientChip> mRemovedSpans; 166 167 private boolean mShouldShrink = true; 168 169 // Chip copy fields. 170 private GestureDetector mGestureDetector; 171 172 private Dialog mCopyDialog; 173 174 private String mCopyAddress; 175 176 /** 177 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 178 * selected chip. 179 */ 180 private OnItemClickListener mAlternatesListener; 181 182 private int mCheckedItem; 183 184 private TextWatcher mTextWatcher; 185 186 // Obtain the enclosing scroll view, if it exists, so that the view can be 187 // scrolled to show the last line of chips content. 188 private ScrollView mScrollView; 189 190 private boolean mTriedGettingScrollView; 191 192 private boolean mDragEnabled = false; 193 194 private final Runnable mAddTextWatcher = new Runnable() { 195 @Override 196 public void run() { 197 if (mTextWatcher == null) { 198 mTextWatcher = new RecipientTextWatcher(); 199 addTextChangedListener(mTextWatcher); 200 } 201 } 202 }; 203 204 private IndividualReplacementTask mIndividualReplacements; 205 206 private Runnable mHandlePendingChips = new Runnable() { 207 208 @Override 209 public void run() { 210 handlePendingChips(); 211 } 212 213 }; 214 215 private Runnable mDelayedShrink = new Runnable() { 216 217 @Override 218 public void run() { 219 shrink(); 220 } 221 222 }; 223 224 public RecipientEditTextView(Context context, AttributeSet attrs) { 225 super(context, attrs); 226 setChipDimensions(context, attrs); 227 if (sSelectedTextColor == -1) { 228 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 229 } 230 mAlternatesPopup = new ListPopupWindow(context); 231 mAlternatesPopup.setOnDismissListener(this); 232 mAddressPopup = new ListPopupWindow(context); 233 mAddressPopup.setOnDismissListener(this); 234 mCopyDialog = new Dialog(context); 235 mAlternatesListener = new OnItemClickListener() { 236 @Override 237 public void onItemClick(AdapterView<?> adapterView,View view, int position, 238 long rowId) { 239 mAlternatesPopup.setOnItemClickListener(null); 240 setEnabled(true); 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 final String displayString = text.toString(); 353 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 354 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 355 && TextUtils.getTrimmedLength(displayString) > 0) { 356 mPendingChipsCount++; 357 mPendingChips.add(text.toString()); 358 } 359 } 360 // Put a message on the queue to make sure we ALWAYS handle pending chips. 361 if (mPendingChipsCount > 0) { 362 postHandlePendingChips(); 363 } 364 mHandler.post(mAddTextWatcher); 365 } 366 367 @Override 368 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 369 super.onFocusChanged(hasFocus, direction, previous); 370 if (!hasFocus) { 371 shrink(); 372 } else { 373 expand(); 374 } 375 } 376 377 @Override 378 public void performValidation() { 379 // Do nothing. Chips handles its own validation. 380 } 381 382 private void shrink() { 383 if (mTokenizer == null) { 384 return; 385 } 386 if (mSelectedChip != null 387 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 388 clearSelectedChip(); 389 } else { 390 if (getWidth() <= 0) { 391 // We don't have the width yet which means the view hasn't been drawn yet 392 // and there is no reason to attempt to commit chips yet. 393 // This focus lost must be the result of an orientation change 394 // or an initial rendering. 395 // Re-post the shrink for later. 396 mHandler.removeCallbacks(mDelayedShrink); 397 mHandler.post(mDelayedShrink); 398 return; 399 } 400 // Reset any pending chips as they would have been handled 401 // when the field lost focus. 402 if (mPendingChipsCount > 0) { 403 postHandlePendingChips(); 404 } else { 405 Editable editable = getText(); 406 int end = getSelectionEnd(); 407 int start = mTokenizer.findTokenStart(editable, end); 408 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 409 if ((chips == null || chips.length == 0)) { 410 Editable text = getText(); 411 int whatEnd = mTokenizer.findTokenEnd(text, start); 412 // This token was already tokenized, so skip past the ending token. 413 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 414 whatEnd++; 415 } 416 // In the middle of chip; treat this as an edit 417 // and commit the whole token. 418 int selEnd = getSelectionEnd(); 419 if (whatEnd != selEnd) { 420 handleEdit(start, whatEnd); 421 } else { 422 commitChip(start, end, editable); 423 } 424 } 425 } 426 mHandler.post(mAddTextWatcher); 427 } 428 createMoreChip(); 429 } 430 431 private void expand() { 432 removeMoreChip(); 433 setCursorVisible(true); 434 Editable text = getText(); 435 setSelection(text != null && text.length() > 0 ? text.length() : 0); 436 // If there are any temporary chips, try replacing them now that the user 437 // has expanded the field. 438 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 439 new RecipientReplacementTask().execute(); 440 mTemporaryRecipients = null; 441 } 442 } 443 444 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 445 paint.setTextSize(mChipFontSize); 446 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 447 Log.d(TAG, "Max width is negative: " + maxWidth); 448 } 449 return TextUtils.ellipsize(text, paint, maxWidth, 450 TextUtils.TruncateAt.END); 451 } 452 453 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 454 // Ellipsize the text so that it takes AT MOST the entire width of the 455 // autocomplete text entry area. Make sure to leave space for padding 456 // on the sides. 457 int height = (int) mChipHeight; 458 int deleteWidth = height; 459 float[] widths = new float[1]; 460 paint.getTextWidths(" ", widths); 461 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 462 calculateAvailableWidth(true) - deleteWidth - widths[0]); 463 464 // Make sure there is a minimum chip width so the user can ALWAYS 465 // tap a chip without difficulty. 466 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 467 ellipsizedText.length())) 468 + (mChipPadding * 2) + deleteWidth); 469 470 // Create the background of the chip. 471 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 472 Canvas canvas = new Canvas(tmpBitmap); 473 if (mChipBackgroundPressed != null) { 474 mChipBackgroundPressed.setBounds(0, 0, width, height); 475 mChipBackgroundPressed.draw(canvas); 476 paint.setColor(sSelectedTextColor); 477 // Vertically center the text in the chip. 478 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 479 getTextYOffset((String) ellipsizedText, paint, height), paint); 480 // Make the delete a square. 481 Rect backgroundPadding = new Rect(); 482 mChipBackgroundPressed.getPadding(backgroundPadding); 483 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 484 0 + backgroundPadding.top, 485 width - backgroundPadding.right, 486 height - backgroundPadding.bottom); 487 mChipDelete.draw(canvas); 488 } else { 489 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 490 } 491 return tmpBitmap; 492 } 493 494 495 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 496 // Ellipsize the text so that it takes AT MOST the entire width of the 497 // autocomplete text entry area. Make sure to leave space for padding 498 // on the sides. 499 int height = (int) mChipHeight; 500 int iconWidth = height; 501 float[] widths = new float[1]; 502 paint.getTextWidths(" ", widths); 503 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 504 calculateAvailableWidth(false) - iconWidth - widths[0]); 505 // Make sure there is a minimum chip width so the user can ALWAYS 506 // tap a chip without difficulty. 507 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 508 ellipsizedText.length())) 509 + (mChipPadding * 2) + iconWidth); 510 511 // Create the background of the chip. 512 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 513 Canvas canvas = new Canvas(tmpBitmap); 514 Drawable background = getChipBackground(contact); 515 if (background != null) { 516 background.setBounds(0, 0, width, height); 517 background.draw(canvas); 518 519 // Don't draw photos for recipients that have been typed in. 520 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 521 byte[] photoBytes = contact.getPhotoBytes(); 522 // There may not be a photo yet if anything but the first contact address 523 // was selected. 524 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 525 // TODO: cache this in the recipient entry? 526 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 527 .getPhotoThumbnailUri()); 528 photoBytes = contact.getPhotoBytes(); 529 } 530 531 Bitmap photo; 532 if (photoBytes != null) { 533 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 534 } else { 535 // TODO: can the scaled down default photo be cached? 536 photo = mDefaultContactPhoto; 537 } 538 // Draw the photo on the left side. 539 if (photo != null) { 540 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 541 Rect backgroundPadding = new Rect(); 542 mChipBackground.getPadding(backgroundPadding); 543 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 544 0 + backgroundPadding.top, 545 width - backgroundPadding.right, 546 height - backgroundPadding.bottom); 547 Matrix matrix = new Matrix(); 548 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 549 canvas.drawBitmap(photo, matrix, paint); 550 } 551 } else { 552 // Don't leave any space for the icon. It isn't being drawn. 553 iconWidth = 0; 554 } 555 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 556 // Vertically center the text in the chip. 557 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 558 getTextYOffset((String)ellipsizedText, paint, height), paint); 559 } else { 560 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 561 } 562 return tmpBitmap; 563 } 564 565 /** 566 * Get the background drawable for a RecipientChip. 567 */ 568 // Visible for testing. 569 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 570 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 571 mChipBackground : mInvalidChipBackground; 572 } 573 574 private float getTextYOffset(String text, TextPaint paint, int height) { 575 Rect bounds = new Rect(); 576 paint.getTextBounds(text, 0, text.length(), bounds); 577 int textHeight = bounds.bottom - bounds.top ; 578 return height - ((height - textHeight) / 2) - (int)paint.descent(); 579 } 580 581 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 582 throws NullPointerException { 583 if (mChipBackground == null) { 584 throw new NullPointerException( 585 "Unable to render any chips as setChipDimensions was not called."); 586 } 587 Layout layout = getLayout(); 588 589 TextPaint paint = getPaint(); 590 float defaultSize = paint.getTextSize(); 591 int defaultColor = paint.getColor(); 592 593 Bitmap tmpBitmap; 594 if (pressed) { 595 tmpBitmap = createSelectedChip(contact, paint, layout); 596 597 } else { 598 tmpBitmap = createUnselectedChip(contact, paint, layout); 599 } 600 601 // Pass the full text, un-ellipsized, to the chip. 602 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 603 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 604 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 605 // Return text to the original size. 606 paint.setTextSize(defaultSize); 607 paint.setColor(defaultColor); 608 return recipientChip; 609 } 610 611 /** 612 * Calculate the bottom of the line the chip will be located on using: 613 * 1) which line the chip appears on 614 * 2) the height of a chip 615 * 3) padding built into the edit text view 616 */ 617 private int calculateOffsetFromBottom(int line) { 618 // Line offsets start at zero. 619 int actualLine = getLineCount() - (line + 1); 620 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 621 + getDropDownVerticalOffset(); 622 } 623 624 /** 625 * Get the max amount of space a chip can take up. The formula takes into 626 * account the width of the EditTextView, any view padding, and padding 627 * that will be added to the chip. 628 */ 629 private float calculateAvailableWidth(boolean pressed) { 630 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 631 } 632 633 634 private void setChipDimensions(Context context, AttributeSet attrs) { 635 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 636 0); 637 Resources r = getContext().getResources(); 638 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 639 if (mChipBackground == null) { 640 mChipBackground = r.getDrawable(R.drawable.chip_background); 641 } 642 mChipBackgroundPressed = a 643 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 644 if (mChipBackgroundPressed == null) { 645 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 646 } 647 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 648 if (mChipDelete == null) { 649 mChipDelete = r.getDrawable(R.drawable.chip_delete); 650 } 651 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 652 if (mChipPadding == -1) { 653 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 654 } 655 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 656 -1); 657 if (mAlternatesLayout == -1) { 658 mAlternatesLayout = R.layout.chips_alternate_item; 659 } 660 661 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 662 663 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 664 665 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 666 if (mChipHeight == -1) { 667 mChipHeight = r.getDimension(R.dimen.chip_height); 668 } 669 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 670 if (mChipFontSize == -1) { 671 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 672 } 673 mInvalidChipBackground = a 674 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 675 if (mInvalidChipBackground == null) { 676 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 677 } 678 a.recycle(); 679 } 680 681 // Visible for testing. 682 /* package */ void setMoreItem(TextView moreItem) { 683 mMoreItem = moreItem; 684 } 685 686 687 // Visible for testing. 688 /* package */ void setChipBackground(Drawable chipBackground) { 689 mChipBackground = chipBackground; 690 } 691 692 // Visible for testing. 693 /* package */ void setChipHeight(int height) { 694 mChipHeight = height; 695 } 696 697 /** 698 * Set whether to shrink the recipients field such that at most 699 * one line of recipients chips are shown when the field loses 700 * focus. By default, the number of displayed recipients will be 701 * limited and a "more" chip will be shown when focus is lost. 702 * @param shrink 703 */ 704 public void setOnFocusListShrinkRecipients(boolean shrink) { 705 mShouldShrink = shrink; 706 } 707 708 @Override 709 public void onSizeChanged(int width, int height, int oldw, int oldh) { 710 super.onSizeChanged(width, height, oldw, oldh); 711 if (width != 0 && height != 0) { 712 if (mPendingChipsCount > 0) { 713 postHandlePendingChips(); 714 } else { 715 checkChipWidths(); 716 } 717 } 718 // Try to find the scroll view parent, if it exists. 719 if (mScrollView == null && !mTriedGettingScrollView) { 720 ViewParent parent = getParent(); 721 while (parent != null && !(parent instanceof ScrollView)) { 722 parent = parent.getParent(); 723 } 724 if (parent != null) { 725 mScrollView = (ScrollView) parent; 726 } 727 mTriedGettingScrollView = true; 728 } 729 } 730 731 private void postHandlePendingChips() { 732 mHandler.removeCallbacks(mHandlePendingChips); 733 mHandler.post(mHandlePendingChips); 734 } 735 736 private void checkChipWidths() { 737 // Check the widths of the associated chips. 738 RecipientChip[] chips = getSortedRecipients(); 739 if (chips != null) { 740 Rect bounds; 741 for (RecipientChip chip : chips) { 742 bounds = chip.getDrawable().getBounds(); 743 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 744 // Need to redraw that chip. 745 replaceChip(chip, chip.getEntry()); 746 } 747 } 748 } 749 } 750 751 // Visible for testing. 752 /*package*/ void handlePendingChips() { 753 if (getViewWidth() <= 0) { 754 // The widget has not been sized yet. 755 // This will be called as a result of onSizeChanged 756 // at a later point. 757 return; 758 } 759 if (mPendingChipsCount <= 0) { 760 return; 761 } 762 763 synchronized (mPendingChips) { 764 Editable editable = getText(); 765 // Tokenize! 766 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 767 for (int i = 0; i < mPendingChips.size(); i++) { 768 String current = mPendingChips.get(i); 769 int tokenStart = editable.toString().indexOf(current); 770 int tokenEnd = tokenStart + current.length(); 771 if (tokenStart >= 0) { 772 // When we have a valid token, include it with the token 773 // to the left. 774 if (tokenEnd < editable.length() - 2 775 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 776 tokenEnd++; 777 } 778 createReplacementChip(tokenStart, tokenEnd, editable); 779 } 780 mPendingChipsCount--; 781 } 782 sanitizeEnd(); 783 } else { 784 mNoChips = true; 785 } 786 787 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 788 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 789 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 790 new RecipientReplacementTask().execute(); 791 mTemporaryRecipients = null; 792 } else { 793 // Create the "more" chip 794 mIndividualReplacements = new IndividualReplacementTask(); 795 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 796 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 797 798 createMoreChip(); 799 } 800 } else { 801 // There are too many recipients to look up, so just fall back 802 // to showing addresses for all of them. 803 mTemporaryRecipients = null; 804 createMoreChip(); 805 } 806 mPendingChipsCount = 0; 807 mPendingChips.clear(); 808 } 809 } 810 811 // Visible for testing. 812 /*package*/ int getViewWidth() { 813 return getWidth(); 814 } 815 816 /** 817 * Remove any characters after the last valid chip. 818 */ 819 // Visible for testing. 820 /*package*/ void sanitizeEnd() { 821 // Don't sanitize while we are waiting for pending chips to complete. 822 if (mPendingChipsCount > 0) { 823 return; 824 } 825 // Find the last chip; eliminate any commit characters after it. 826 RecipientChip[] chips = getSortedRecipients(); 827 if (chips != null && chips.length > 0) { 828 int end; 829 ImageSpan lastSpan; 830 mMoreChip = getMoreChip(); 831 if (mMoreChip != null) { 832 lastSpan = mMoreChip; 833 } else { 834 lastSpan = getLastChip(); 835 } 836 end = getSpannable().getSpanEnd(lastSpan); 837 Editable editable = getText(); 838 int length = editable.length(); 839 if (length > end) { 840 // See what characters occur after that and eliminate them. 841 if (Log.isLoggable(TAG, Log.DEBUG)) { 842 Log.d(TAG, "There were extra characters after the last tokenizable entry." 843 + editable); 844 } 845 editable.delete(end + 1, length); 846 } 847 } 848 } 849 850 /** 851 * Create a chip that represents just the email address of a recipient. At some later 852 * point, this chip will be attached to a real contact entry, if one exists. 853 */ 854 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 855 if (alreadyHasChip(tokenStart, tokenEnd)) { 856 // There is already a chip present at this location. 857 // Don't recreate it. 858 return; 859 } 860 String token = editable.toString().substring(tokenStart, tokenEnd); 861 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 862 if (commitCharIndex == token.length() - 1) { 863 token = token.substring(0, token.length() - 1); 864 } 865 RecipientEntry entry = createTokenizedEntry(token); 866 if (entry != null) { 867 String destText = createAddressText(entry); 868 // Always leave a blank space at the end of a chip. 869 int textLength = destText.length() - 1; 870 SpannableString chipText = new SpannableString(destText); 871 int end = getSelectionEnd(); 872 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 873 RecipientChip chip = null; 874 try { 875 if (!mNoChips) { 876 chip = constructChipSpan(entry, start, false); 877 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 878 } 879 } catch (NullPointerException e) { 880 Log.e(TAG, e.getMessage(), e); 881 } 882 editable.replace(tokenStart, tokenEnd, chipText); 883 // Add this chip to the list of entries "to replace" 884 if (chip != null) { 885 if (mTemporaryRecipients == null) { 886 mTemporaryRecipients = new ArrayList<RecipientChip>(); 887 } 888 chip.setOriginalText(chipText.toString()); 889 mTemporaryRecipients.add(chip); 890 } 891 } 892 } 893 894 private static boolean isPhoneNumber(String number) { 895 // TODO: replace this function with libphonenumber's isPossibleNumber (see 896 // PhoneNumberUtil). One complication is that it requires the sender's region which 897 // comes from the CurrentCountryIso. For now, let's just do this simple match. 898 if (TextUtils.isEmpty(number)) { 899 return false; 900 } 901 902 Matcher match = Patterns.PHONE.matcher(number); 903 return match.matches(); 904 } 905 906 private RecipientEntry createTokenizedEntry(String token) { 907 if (TextUtils.isEmpty(token)) { 908 return null; 909 } 910 if (isPhoneQuery() && isPhoneNumber(token)) { 911 return RecipientEntry 912 .constructFakeEntry(token); 913 } 914 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 915 String display = null; 916 if (isValid(token) && tokens != null && tokens.length > 0) { 917 // If we can get a name from tokenizing, then generate an entry from 918 // this. 919 display = tokens[0].getName(); 920 if (!TextUtils.isEmpty(display)) { 921 return RecipientEntry.constructGeneratedEntry(display, token); 922 } else { 923 display = tokens[0].getAddress(); 924 if (!TextUtils.isEmpty(display)) { 925 return RecipientEntry.constructFakeEntry(display); 926 } 927 } 928 } 929 // Unable to validate the token or to create a valid token from it. 930 // Just create a chip the user can edit. 931 String validatedToken = null; 932 if (mValidator != null && !mValidator.isValid(token)) { 933 // Try fixing up the entry using the validator. 934 validatedToken = mValidator.fixText(token).toString(); 935 if (!TextUtils.isEmpty(validatedToken)) { 936 if (validatedToken.contains(token)) { 937 // protect against the case of a validator with a null domain, 938 // which doesn't add a domain to the token 939 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 940 if (tokenized.length > 0) { 941 validatedToken = tokenized[0].getAddress(); 942 } 943 } else { 944 // We ran into a case where the token was invalid and removed 945 // by the validator. In this case, just use the original token 946 // and let the user sort out the error chip. 947 validatedToken = null; 948 } 949 } 950 } 951 // Otherwise, fallback to just creating an editable email address chip. 952 return RecipientEntry 953 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 954 } 955 956 private boolean isValid(String text) { 957 return mValidator == null ? true : mValidator.isValid(text); 958 } 959 960 private String tokenizeAddress(String destination) { 961 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 962 if (tokens != null && tokens.length > 0) { 963 return tokens[0].getAddress(); 964 } 965 return destination; 966 } 967 968 @Override 969 public void setTokenizer(Tokenizer tokenizer) { 970 mTokenizer = tokenizer; 971 super.setTokenizer(mTokenizer); 972 } 973 974 @Override 975 public void setValidator(Validator validator) { 976 mValidator = validator; 977 super.setValidator(validator); 978 } 979 980 /** 981 * We cannot use the default mechanism for replaceText. Instead, 982 * we override onItemClickListener so we can get all the associated 983 * contact information including display text, address, and id. 984 */ 985 @Override 986 protected void replaceText(CharSequence text) { 987 return; 988 } 989 990 /** 991 * Dismiss any selected chips when the back key is pressed. 992 */ 993 @Override 994 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 995 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 996 clearSelectedChip(); 997 return true; 998 } 999 return super.onKeyPreIme(keyCode, event); 1000 } 1001 1002 /** 1003 * Monitor key presses in this view to see if the user types 1004 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1005 * If the user has entered text that has contact matches and types 1006 * a commit key, create a chip from the topmost matching contact. 1007 * If the user has entered text that has no contact matches and types 1008 * a commit key, then create a chip from the text they have entered. 1009 */ 1010 @Override 1011 public boolean onKeyUp(int keyCode, KeyEvent event) { 1012 switch (keyCode) { 1013 case KeyEvent.KEYCODE_ENTER: 1014 case KeyEvent.KEYCODE_DPAD_CENTER: 1015 if (event.hasNoModifiers()) { 1016 if (commitDefault()) { 1017 return true; 1018 } 1019 if (mSelectedChip != null) { 1020 clearSelectedChip(); 1021 return true; 1022 } else if (focusNext()) { 1023 return true; 1024 } 1025 } 1026 break; 1027 case KeyEvent.KEYCODE_TAB: 1028 if (event.hasNoModifiers()) { 1029 if (mSelectedChip != null) { 1030 clearSelectedChip(); 1031 } else { 1032 commitDefault(); 1033 } 1034 if (focusNext()) { 1035 return true; 1036 } 1037 } 1038 break; 1039 } 1040 return super.onKeyUp(keyCode, event); 1041 } 1042 1043 private boolean focusNext() { 1044 View next = focusSearch(View.FOCUS_DOWN); 1045 if (next != null) { 1046 next.requestFocus(); 1047 return true; 1048 } 1049 return false; 1050 } 1051 1052 /** 1053 * Create a chip from the default selection. If the popup is showing, the 1054 * default is the first item in the popup suggestions list. Otherwise, it is 1055 * whatever the user had typed in. End represents where the the tokenizer 1056 * should search for a token to turn into a chip. 1057 * @return If a chip was created from a real contact. 1058 */ 1059 private boolean commitDefault() { 1060 // If there is no tokenizer, don't try to commit. 1061 if (mTokenizer == null) { 1062 return false; 1063 } 1064 Editable editable = getText(); 1065 int end = getSelectionEnd(); 1066 int start = mTokenizer.findTokenStart(editable, end); 1067 1068 if (shouldCreateChip(start, end)) { 1069 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1070 // In the middle of chip; treat this as an edit 1071 // and commit the whole token. 1072 if (whatEnd != getSelectionEnd()) { 1073 handleEdit(start, whatEnd); 1074 return true; 1075 } 1076 return commitChip(start, end , editable); 1077 } 1078 return false; 1079 } 1080 1081 private void commitByCharacter() { 1082 // We can't possibly commit by character if we can't tokenize. 1083 if (mTokenizer == null) { 1084 return; 1085 } 1086 Editable editable = getText(); 1087 int end = getSelectionEnd(); 1088 int start = mTokenizer.findTokenStart(editable, end); 1089 if (shouldCreateChip(start, end)) { 1090 commitChip(start, end, editable); 1091 } 1092 setSelection(getText().length()); 1093 } 1094 1095 private boolean commitChip(int start, int end, Editable editable) { 1096 ListAdapter adapter = getAdapter(); 1097 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1098 && end == getSelectionEnd() && !isPhoneQuery()) { 1099 // choose the first entry. 1100 submitItemAtPosition(0); 1101 dismissDropDown(); 1102 return true; 1103 } else { 1104 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1105 if (editable.length() > tokenEnd + 1) { 1106 char charAt = editable.charAt(tokenEnd + 1); 1107 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1108 tokenEnd++; 1109 } 1110 } 1111 String text = editable.toString().substring(start, tokenEnd).trim(); 1112 clearComposingText(); 1113 if (text != null && text.length() > 0 && !text.equals(" ")) { 1114 RecipientEntry entry = createTokenizedEntry(text); 1115 if (entry != null) { 1116 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1117 CharSequence chipText = createChip(entry, false); 1118 if (chipText != null && start > -1 && end > -1) { 1119 editable.replace(start, end, chipText); 1120 } 1121 } 1122 // Only dismiss the dropdown if it is related to the text we 1123 // just committed. 1124 // For paste, it may not be as there are possibly multiple 1125 // tokens being added. 1126 if (end == getSelectionEnd()) { 1127 dismissDropDown(); 1128 } 1129 sanitizeBetween(); 1130 return true; 1131 } 1132 } 1133 return false; 1134 } 1135 1136 // Visible for testing. 1137 /* package */ void sanitizeBetween() { 1138 // Don't sanitize while we are waiting for content to chipify. 1139 if (mPendingChipsCount > 0) { 1140 return; 1141 } 1142 // Find the last chip. 1143 RecipientChip[] recips = getSortedRecipients(); 1144 if (recips != null && recips.length > 0) { 1145 RecipientChip last = recips[recips.length - 1]; 1146 RecipientChip beforeLast = null; 1147 if (recips.length > 1) { 1148 beforeLast = recips[recips.length - 2]; 1149 } 1150 int startLooking = 0; 1151 int end = getSpannable().getSpanStart(last); 1152 if (beforeLast != null) { 1153 startLooking = getSpannable().getSpanEnd(beforeLast); 1154 Editable text = getText(); 1155 if (startLooking == -1 || startLooking > text.length() - 1) { 1156 // There is nothing after this chip. 1157 return; 1158 } 1159 if (text.charAt(startLooking) == ' ') { 1160 startLooking++; 1161 } 1162 } 1163 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1164 getText().delete(startLooking, end); 1165 } 1166 } 1167 } 1168 1169 private boolean shouldCreateChip(int start, int end) { 1170 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1171 } 1172 1173 private boolean alreadyHasChip(int start, int end) { 1174 if (mNoChips) { 1175 return true; 1176 } 1177 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1178 if ((chips == null || chips.length == 0)) { 1179 return false; 1180 } 1181 return true; 1182 } 1183 1184 private void handleEdit(int start, int end) { 1185 if (start == -1 || end == -1) { 1186 // This chip no longer exists in the field. 1187 dismissDropDown(); 1188 return; 1189 } 1190 // This is in the middle of a chip, so select out the whole chip 1191 // and commit it. 1192 Editable editable = getText(); 1193 setSelection(end); 1194 String text = getText().toString().substring(start, end); 1195 if (!TextUtils.isEmpty(text)) { 1196 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1197 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1198 CharSequence chipText = createChip(entry, false); 1199 int selEnd = getSelectionEnd(); 1200 if (chipText != null && start > -1 && selEnd > -1) { 1201 editable.replace(start, selEnd, chipText); 1202 } 1203 } 1204 dismissDropDown(); 1205 } 1206 1207 /** 1208 * If there is a selected chip, delegate the key events 1209 * to the selected chip. 1210 */ 1211 @Override 1212 public boolean onKeyDown(int keyCode, KeyEvent event) { 1213 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1214 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1215 mAlternatesPopup.dismiss(); 1216 } 1217 removeChip(mSelectedChip); 1218 } 1219 1220 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1221 return true; 1222 } 1223 1224 return super.onKeyDown(keyCode, event); 1225 } 1226 1227 // Visible for testing. 1228 /* package */ Spannable getSpannable() { 1229 return getText(); 1230 } 1231 1232 private int getChipStart(RecipientChip chip) { 1233 return getSpannable().getSpanStart(chip); 1234 } 1235 1236 private int getChipEnd(RecipientChip chip) { 1237 return getSpannable().getSpanEnd(chip); 1238 } 1239 1240 /** 1241 * Instead of filtering on the entire contents of the edit box, 1242 * this subclass method filters on the range from 1243 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1244 * if the length of that range meets or exceeds {@link #getThreshold} 1245 * and makes sure that the range is not already a Chip. 1246 */ 1247 @Override 1248 protected void performFiltering(CharSequence text, int keyCode) { 1249 if (enoughToFilter() && !isCompletedToken(text)) { 1250 int end = getSelectionEnd(); 1251 int start = mTokenizer.findTokenStart(text, end); 1252 // If this is a RecipientChip, don't filter 1253 // on its contents. 1254 Spannable span = getSpannable(); 1255 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1256 if (chips != null && chips.length > 0) { 1257 return; 1258 } 1259 } 1260 super.performFiltering(text, keyCode); 1261 } 1262 1263 // Visible for testing. 1264 /*package*/ boolean isCompletedToken(CharSequence text) { 1265 if (TextUtils.isEmpty(text)) { 1266 return false; 1267 } 1268 // Check to see if this is a completed token before filtering. 1269 int end = text.length(); 1270 int start = mTokenizer.findTokenStart(text, end); 1271 String token = text.toString().substring(start, end).trim(); 1272 if (!TextUtils.isEmpty(token)) { 1273 char atEnd = token.charAt(token.length() - 1); 1274 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1275 } 1276 return false; 1277 } 1278 1279 private void clearSelectedChip() { 1280 if (mSelectedChip != null) { 1281 unselectChip(mSelectedChip); 1282 mSelectedChip = null; 1283 } 1284 setCursorVisible(true); 1285 } 1286 1287 /** 1288 * Monitor touch events in the RecipientEditTextView. 1289 * If the view does not have focus, any tap on the view 1290 * will just focus the view. If the view has focus, determine 1291 * if the touch target is a recipient chip. If it is and the chip 1292 * is not selected, select it and clear any other selected chips. 1293 * If it isn't, then select that chip. 1294 */ 1295 @Override 1296 public boolean onTouchEvent(MotionEvent event) { 1297 if (!isFocused()) { 1298 // Ignore any chip taps until this view is focused. 1299 return super.onTouchEvent(event); 1300 } 1301 boolean handled = super.onTouchEvent(event); 1302 int action = event.getAction(); 1303 boolean chipWasSelected = false; 1304 if (mSelectedChip == null) { 1305 mGestureDetector.onTouchEvent(event); 1306 } 1307 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1308 float x = event.getX(); 1309 float y = event.getY(); 1310 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1311 RecipientChip currentChip = findChip(offset); 1312 if (currentChip != null) { 1313 if (action == MotionEvent.ACTION_UP) { 1314 if (mSelectedChip != null && mSelectedChip != currentChip) { 1315 clearSelectedChip(); 1316 mSelectedChip = selectChip(currentChip); 1317 } else if (mSelectedChip == null) { 1318 setSelection(getText().length()); 1319 commitDefault(); 1320 mSelectedChip = selectChip(currentChip); 1321 } else { 1322 onClick(mSelectedChip, offset, x, y); 1323 } 1324 } 1325 chipWasSelected = true; 1326 handled = true; 1327 } else if (mSelectedChip != null 1328 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1329 chipWasSelected = true; 1330 } 1331 } 1332 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1333 clearSelectedChip(); 1334 } 1335 return handled; 1336 } 1337 1338 private void scrollLineIntoView(int line) { 1339 if (mScrollView != null) { 1340 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1341 } 1342 } 1343 1344 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1345 int width, Context context) { 1346 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1347 int bottom = calculateOffsetFromBottom(line); 1348 // Align the alternates popup with the left side of the View, 1349 // regardless of the position of the chip tapped. 1350 alternatesPopup.setWidth(width); 1351 setEnabled(false); 1352 alternatesPopup.setAnchorView(this); 1353 alternatesPopup.setVerticalOffset(bottom); 1354 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1355 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1356 // Clear the checked item. 1357 mCheckedItem = -1; 1358 alternatesPopup.show(); 1359 ListView listView = alternatesPopup.getListView(); 1360 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1361 // Checked item would be -1 if the adapter has not 1362 // loaded the view that should be checked yet. The 1363 // variable will be set correctly when onCheckedItemChanged 1364 // is called in a separate thread. 1365 if (mCheckedItem != -1) { 1366 listView.setItemChecked(mCheckedItem, true); 1367 mCheckedItem = -1; 1368 } 1369 } 1370 1371 // Dismiss listener for alterns and single address popup. 1372 @Override 1373 public void onDismiss() { 1374 setEnabled(true); 1375 } 1376 1377 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1378 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1379 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1380 } 1381 1382 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1383 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1384 .getEntry()); 1385 } 1386 1387 @Override 1388 public void onCheckedItemChanged(int position) { 1389 ListView listView = mAlternatesPopup.getListView(); 1390 if (listView != null && listView.getCheckedItemCount() == 0) { 1391 listView.setItemChecked(position, true); 1392 } 1393 mCheckedItem = position; 1394 } 1395 1396 // TODO: This algorithm will need a lot of tweaking after more people have used 1397 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1398 // what comes before the finger. 1399 private int putOffsetInRange(int o) { 1400 int offset = o; 1401 Editable text = getText(); 1402 int length = text.length(); 1403 // Remove whitespace from end to find "real end" 1404 int realLength = length; 1405 for (int i = length - 1; i >= 0; i--) { 1406 if (text.charAt(i) == ' ') { 1407 realLength--; 1408 } else { 1409 break; 1410 } 1411 } 1412 1413 // If the offset is beyond or at the end of the text, 1414 // leave it alone. 1415 if (offset >= realLength) { 1416 return offset; 1417 } 1418 Editable editable = getText(); 1419 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1420 // Keep walking backward! 1421 offset--; 1422 } 1423 return offset; 1424 } 1425 1426 private int findText(Editable text, int offset) { 1427 if (text.charAt(offset) != ' ') { 1428 return offset; 1429 } 1430 return -1; 1431 } 1432 1433 private RecipientChip findChip(int offset) { 1434 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1435 // Find the chip that contains this offset. 1436 for (int i = 0; i < chips.length; i++) { 1437 RecipientChip chip = chips[i]; 1438 int start = getChipStart(chip); 1439 int end = getChipEnd(chip); 1440 if (offset >= start && offset <= end) { 1441 return chip; 1442 } 1443 } 1444 return null; 1445 } 1446 1447 // Visible for testing. 1448 // Use this method to generate text to add to the list of addresses. 1449 /* package */String createAddressText(RecipientEntry entry) { 1450 String display = entry.getDisplayName(); 1451 String address = entry.getDestination(); 1452 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1453 display = null; 1454 } 1455 String trimmedDisplayText; 1456 if (isPhoneQuery() && isPhoneNumber(address)) { 1457 trimmedDisplayText = address.trim(); 1458 } else { 1459 if (address != null) { 1460 // Tokenize out the address in case the address already 1461 // contained the username as well. 1462 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1463 if (tokenized != null && tokenized.length > 0) { 1464 address = tokenized[0].getAddress(); 1465 } 1466 } 1467 Rfc822Token token = new Rfc822Token(display, address, null); 1468 trimmedDisplayText = token.toString().trim(); 1469 } 1470 int index = trimmedDisplayText.indexOf(","); 1471 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1472 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1473 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1474 } 1475 1476 // Visible for testing. 1477 // Use this method to generate text to display in a chip. 1478 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1479 String display = entry.getDisplayName(); 1480 String address = entry.getDestination(); 1481 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1482 display = null; 1483 } 1484 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1485 // Tokenize out the address in case the address already 1486 // contained the username as well. 1487 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1488 if (tokenized != null && tokenized.length > 0) { 1489 address = tokenized[0].getAddress(); 1490 } 1491 } 1492 if (!TextUtils.isEmpty(display)) { 1493 return display; 1494 } else if (!TextUtils.isEmpty(address)){ 1495 return address; 1496 } else { 1497 return new Rfc822Token(display, address, null).toString(); 1498 } 1499 } 1500 1501 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1502 String displayText = createAddressText(entry); 1503 if (TextUtils.isEmpty(displayText)) { 1504 return null; 1505 } 1506 SpannableString chipText = null; 1507 // Always leave a blank space at the end of a chip. 1508 int end = getSelectionEnd(); 1509 int start = mTokenizer.findTokenStart(getText(), end); 1510 int textLength = displayText.length()-1; 1511 chipText = new SpannableString(displayText); 1512 if (!mNoChips) { 1513 try { 1514 RecipientChip chip = constructChipSpan(entry, start, pressed); 1515 chipText.setSpan(chip, 0, textLength, 1516 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1517 chip.setOriginalText(chipText.toString()); 1518 } catch (NullPointerException e) { 1519 Log.e(TAG, e.getMessage(), e); 1520 return null; 1521 } 1522 } 1523 return chipText; 1524 } 1525 1526 /** 1527 * When an item in the suggestions list has been clicked, create a chip from the 1528 * contact information of the selected item. 1529 */ 1530 @Override 1531 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1532 submitItemAtPosition(position); 1533 } 1534 1535 private void submitItemAtPosition(int position) { 1536 RecipientEntry entry = createValidatedEntry( 1537 (RecipientEntry)getAdapter().getItem(position)); 1538 if (entry == null) { 1539 return; 1540 } 1541 clearComposingText(); 1542 1543 int end = getSelectionEnd(); 1544 int start = mTokenizer.findTokenStart(getText(), end); 1545 1546 Editable editable = getText(); 1547 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1548 CharSequence chip = createChip(entry, false); 1549 if (chip != null && start >= 0 && end >= 0) { 1550 editable.replace(start, end, chip); 1551 } 1552 sanitizeBetween(); 1553 } 1554 1555 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1556 if (item == null) { 1557 return null; 1558 } 1559 final RecipientEntry entry; 1560 // If the display name and the address are the same, or if this is a 1561 // valid contact, but the destination is invalid, then make this a fake 1562 // recipient that is editable. 1563 String destination = item.getDestination(); 1564 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1565 && (TextUtils.isEmpty(item.getDisplayName()) 1566 || TextUtils.equals(item.getDisplayName(), destination) 1567 || (mValidator != null && !mValidator.isValid(destination)))) { 1568 entry = RecipientEntry.constructFakeEntry(destination); 1569 } else { 1570 entry = item; 1571 } 1572 return entry; 1573 } 1574 1575 /** Returns a collection of contact Id for each chip inside this View. */ 1576 /* package */ Collection<Long> getContactIds() { 1577 final Set<Long> result = new HashSet<Long>(); 1578 RecipientChip[] chips = getSortedRecipients(); 1579 if (chips != null) { 1580 for (RecipientChip chip : chips) { 1581 result.add(chip.getContactId()); 1582 } 1583 } 1584 return result; 1585 } 1586 1587 1588 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1589 /* package */ Collection<Long> getDataIds() { 1590 final Set<Long> result = new HashSet<Long>(); 1591 RecipientChip [] chips = getSortedRecipients(); 1592 if (chips != null) { 1593 for (RecipientChip chip : chips) { 1594 result.add(chip.getDataId()); 1595 } 1596 } 1597 return result; 1598 } 1599 1600 // Visible for testing. 1601 /* package */RecipientChip[] getSortedRecipients() { 1602 RecipientChip[] recips = getSpannable() 1603 .getSpans(0, getText().length(), RecipientChip.class); 1604 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1605 .asList(recips)); 1606 final Spannable spannable = getSpannable(); 1607 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1608 1609 @Override 1610 public int compare(RecipientChip first, RecipientChip second) { 1611 int firstStart = spannable.getSpanStart(first); 1612 int secondStart = spannable.getSpanStart(second); 1613 if (firstStart < secondStart) { 1614 return -1; 1615 } else if (firstStart > secondStart) { 1616 return 1; 1617 } else { 1618 return 0; 1619 } 1620 } 1621 }); 1622 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1623 } 1624 1625 @Override 1626 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1627 return false; 1628 } 1629 1630 @Override 1631 public void onDestroyActionMode(ActionMode mode) { 1632 } 1633 1634 @Override 1635 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1636 return false; 1637 } 1638 1639 /** 1640 * No chips are selectable. 1641 */ 1642 @Override 1643 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1644 return false; 1645 } 1646 1647 // Visible for testing. 1648 /* package */ImageSpan getMoreChip() { 1649 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1650 MoreImageSpan.class); 1651 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1652 } 1653 1654 private MoreImageSpan createMoreSpan(int count) { 1655 String moreText = String.format(mMoreItem.getText().toString(), count); 1656 TextPaint morePaint = new TextPaint(getPaint()); 1657 morePaint.setTextSize(mMoreItem.getTextSize()); 1658 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1659 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1660 + mMoreItem.getPaddingRight(); 1661 int height = getLineHeight(); 1662 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1663 Canvas canvas = new Canvas(drawable); 1664 int adjustedHeight = height; 1665 Layout layout = getLayout(); 1666 if (layout != null) { 1667 adjustedHeight -= layout.getLineDescent(0); 1668 } 1669 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1670 1671 Drawable result = new BitmapDrawable(getResources(), drawable); 1672 result.setBounds(0, 0, width, height); 1673 return new MoreImageSpan(result); 1674 } 1675 1676 // Visible for testing. 1677 /*package*/ void createMoreChipPlainText() { 1678 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1679 Editable text = getText(); 1680 int start = 0; 1681 int end = start; 1682 for (int i = 0; i < CHIP_LIMIT; i++) { 1683 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1684 start = end; // move to the next token and get its end. 1685 } 1686 // Now, count total addresses. 1687 start = 0; 1688 int tokenCount = countTokens(text); 1689 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1690 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1691 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1692 text.replace(end, text.length(), chipText); 1693 mMoreChip = moreSpan; 1694 } 1695 1696 // Visible for testing. 1697 /* package */int countTokens(Editable text) { 1698 int tokenCount = 0; 1699 int start = 0; 1700 while (start < text.length()) { 1701 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1702 tokenCount++; 1703 if (start >= text.length()) { 1704 break; 1705 } 1706 } 1707 return tokenCount; 1708 } 1709 1710 /** 1711 * Create the more chip. The more chip is text that replaces any chips that 1712 * do not fit in the pre-defined available space when the 1713 * RecipientEditTextView loses focus. 1714 */ 1715 // Visible for testing. 1716 /* package */ void createMoreChip() { 1717 if (mNoChips) { 1718 createMoreChipPlainText(); 1719 return; 1720 } 1721 1722 if (!mShouldShrink) { 1723 return; 1724 } 1725 1726 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1727 if (tempMore.length > 0) { 1728 getSpannable().removeSpan(tempMore[0]); 1729 } 1730 RecipientChip[] recipients = getSortedRecipients(); 1731 1732 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1733 mMoreChip = null; 1734 return; 1735 } 1736 Spannable spannable = getSpannable(); 1737 int numRecipients = recipients.length; 1738 int overage = numRecipients - CHIP_LIMIT; 1739 MoreImageSpan moreSpan = createMoreSpan(overage); 1740 mRemovedSpans = new ArrayList<RecipientChip>(); 1741 int totalReplaceStart = 0; 1742 int totalReplaceEnd = 0; 1743 Editable text = getText(); 1744 for (int i = numRecipients - overage; i < recipients.length; i++) { 1745 mRemovedSpans.add(recipients[i]); 1746 if (i == numRecipients - overage) { 1747 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1748 } 1749 if (i == recipients.length - 1) { 1750 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1751 } 1752 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1753 int spanStart = spannable.getSpanStart(recipients[i]); 1754 int spanEnd = spannable.getSpanEnd(recipients[i]); 1755 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1756 } 1757 spannable.removeSpan(recipients[i]); 1758 } 1759 if (totalReplaceEnd < text.length()) { 1760 totalReplaceEnd = text.length(); 1761 } 1762 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1763 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1764 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1765 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1766 text.replace(start, end, chipText); 1767 mMoreChip = moreSpan; 1768 } 1769 1770 /** 1771 * Replace the more chip, if it exists, with all of the recipient chips it had 1772 * replaced when the RecipientEditTextView gains focus. 1773 */ 1774 // Visible for testing. 1775 /*package*/ void removeMoreChip() { 1776 if (mMoreChip != null) { 1777 Spannable span = getSpannable(); 1778 span.removeSpan(mMoreChip); 1779 mMoreChip = null; 1780 // Re-add the spans that were removed. 1781 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1782 // Recreate each removed span. 1783 RecipientChip[] recipients = getSortedRecipients(); 1784 // Start the search for tokens after the last currently visible 1785 // chip. 1786 if (recipients == null || recipients.length == 0) { 1787 return; 1788 } 1789 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1790 Editable editable = getText(); 1791 for (RecipientChip chip : mRemovedSpans) { 1792 int chipStart; 1793 int chipEnd; 1794 String token; 1795 // Need to find the location of the chip, again. 1796 token = (String) chip.getOriginalText(); 1797 // As we find the matching recipient for the remove spans, 1798 // reduce the size of the string we need to search. 1799 // That way, if there are duplicates, we always find the correct 1800 // recipient. 1801 chipStart = editable.toString().indexOf(token, end); 1802 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1803 // Only set the span if we found a matching token. 1804 if (chipStart != -1) { 1805 editable.setSpan(chip, chipStart, chipEnd, 1806 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1807 } 1808 } 1809 mRemovedSpans.clear(); 1810 } 1811 } 1812 } 1813 1814 /** 1815 * Show specified chip as selected. If the RecipientChip is just an email address, 1816 * selecting the chip will take the contents of the chip and place it at 1817 * the end of the RecipientEditTextView for inline editing. If the 1818 * RecipientChip is a complete contact, then selecting the chip 1819 * will change the background color of the chip, show the delete icon, 1820 * and a popup window with the address in use highlighted and any other 1821 * alternate addresses for the contact. 1822 * @param currentChip Chip to select. 1823 * @return A RecipientChip in the selected state or null if the chip 1824 * just contained an email address. 1825 */ 1826 private RecipientChip selectChip(RecipientChip currentChip) { 1827 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1828 CharSequence text = currentChip.getValue(); 1829 Editable editable = getText(); 1830 removeChip(currentChip); 1831 editable.append(text); 1832 setCursorVisible(true); 1833 setSelection(editable.length()); 1834 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1835 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1836 int start = getChipStart(currentChip); 1837 int end = getChipEnd(currentChip); 1838 getSpannable().removeSpan(currentChip); 1839 RecipientChip newChip; 1840 try { 1841 if (mNoChips) { 1842 return null; 1843 } 1844 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1845 } catch (NullPointerException e) { 1846 Log.e(TAG, e.getMessage(), e); 1847 return null; 1848 } 1849 Editable editable = getText(); 1850 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1851 if (start == -1 || end == -1) { 1852 Log.d(TAG, "The chip being selected no longer exists but should."); 1853 } else { 1854 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1855 } 1856 newChip.setSelected(true); 1857 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1858 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1859 } 1860 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1861 setCursorVisible(false); 1862 return newChip; 1863 } else { 1864 int start = getChipStart(currentChip); 1865 int end = getChipEnd(currentChip); 1866 getSpannable().removeSpan(currentChip); 1867 RecipientChip newChip; 1868 try { 1869 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1870 } catch (NullPointerException e) { 1871 Log.e(TAG, e.getMessage(), e); 1872 return null; 1873 } 1874 Editable editable = getText(); 1875 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1876 if (start == -1 || end == -1) { 1877 Log.d(TAG, "The chip being selected no longer exists but should."); 1878 } else { 1879 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1880 } 1881 newChip.setSelected(true); 1882 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1883 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1884 } 1885 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1886 setCursorVisible(false); 1887 return newChip; 1888 } 1889 } 1890 1891 1892 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1893 int width, Context context) { 1894 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1895 int bottom = calculateOffsetFromBottom(line); 1896 // Align the alternates popup with the left side of the View, 1897 // regardless of the position of the chip tapped. 1898 setEnabled(false); 1899 popup.setWidth(width); 1900 popup.setAnchorView(this); 1901 popup.setVerticalOffset(bottom); 1902 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1903 popup.setOnItemClickListener(new OnItemClickListener() { 1904 @Override 1905 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1906 unselectChip(currentChip); 1907 popup.dismiss(); 1908 } 1909 }); 1910 popup.show(); 1911 ListView listView = popup.getListView(); 1912 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1913 listView.setItemChecked(0, true); 1914 } 1915 1916 /** 1917 * Remove selection from this chip. Unselecting a RecipientChip will render 1918 * the chip without a delete icon and with an unfocused background. This is 1919 * called when the RecipientChip no longer has focus. 1920 */ 1921 private void unselectChip(RecipientChip chip) { 1922 int start = getChipStart(chip); 1923 int end = getChipEnd(chip); 1924 Editable editable = getText(); 1925 mSelectedChip = null; 1926 if (start == -1 || end == -1) { 1927 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1928 setSelection(editable.length()); 1929 commitDefault(); 1930 } else { 1931 getSpannable().removeSpan(chip); 1932 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1933 editable.removeSpan(chip); 1934 try { 1935 if (!mNoChips) { 1936 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1937 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1938 } 1939 } catch (NullPointerException e) { 1940 Log.e(TAG, e.getMessage(), e); 1941 } 1942 } 1943 setCursorVisible(true); 1944 setSelection(editable.length()); 1945 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1946 mAlternatesPopup.dismiss(); 1947 } 1948 } 1949 1950 /** 1951 * Return whether a touch event was inside the delete target of 1952 * a selected chip. It is in the delete target if: 1953 * 1) the x and y points of the event are within the 1954 * delete assset. 1955 * 2) the point tapped would have caused a cursor to appear 1956 * right after the selected chip. 1957 * @return boolean 1958 */ 1959 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1960 // Figure out the bounds of this chip and whether or not 1961 // the user clicked in the X portion. 1962 return chip.isSelected() && offset == getChipEnd(chip); 1963 } 1964 1965 /** 1966 * Remove the chip and any text associated with it from the RecipientEditTextView. 1967 */ 1968 // Visible for testing. 1969 /*pacakge*/ void removeChip(RecipientChip chip) { 1970 Spannable spannable = getSpannable(); 1971 int spanStart = spannable.getSpanStart(chip); 1972 int spanEnd = spannable.getSpanEnd(chip); 1973 Editable text = getText(); 1974 int toDelete = spanEnd; 1975 boolean wasSelected = chip == mSelectedChip; 1976 // Clear that there is a selected chip before updating any text. 1977 if (wasSelected) { 1978 mSelectedChip = null; 1979 } 1980 // Always remove trailing spaces when removing a chip. 1981 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1982 toDelete++; 1983 } 1984 spannable.removeSpan(chip); 1985 if (spanStart >= 0 && toDelete > 0) { 1986 text.delete(spanStart, toDelete); 1987 } 1988 if (wasSelected) { 1989 clearSelectedChip(); 1990 } 1991 } 1992 1993 /** 1994 * Replace this currently selected chip with a new chip 1995 * that uses the contact data provided. 1996 */ 1997 // Visible for testing. 1998 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1999 boolean wasSelected = chip == mSelectedChip; 2000 if (wasSelected) { 2001 mSelectedChip = null; 2002 } 2003 int start = getChipStart(chip); 2004 int end = getChipEnd(chip); 2005 getSpannable().removeSpan(chip); 2006 Editable editable = getText(); 2007 CharSequence chipText = createChip(entry, false); 2008 if (chipText != null) { 2009 if (start == -1 || end == -1) { 2010 Log.e(TAG, "The chip to replace does not exist but should."); 2011 editable.insert(0, chipText); 2012 } else { 2013 if (!TextUtils.isEmpty(chipText)) { 2014 // There may be a space to replace with this chip's new 2015 // associated 2016 // space. Check for it 2017 int toReplace = end; 2018 while (toReplace >= 0 && toReplace < editable.length() 2019 && editable.charAt(toReplace) == ' ') { 2020 toReplace++; 2021 } 2022 editable.replace(start, toReplace, chipText); 2023 } 2024 } 2025 } 2026 setCursorVisible(true); 2027 if (wasSelected) { 2028 clearSelectedChip(); 2029 } 2030 } 2031 2032 /** 2033 * Handle click events for a chip. When a selected chip receives a click 2034 * event, see if that event was in the delete icon. If so, delete it. 2035 * Otherwise, unselect the chip. 2036 */ 2037 public void onClick(RecipientChip chip, int offset, float x, float y) { 2038 if (chip.isSelected()) { 2039 if (isInDelete(chip, offset, x, y)) { 2040 removeChip(chip); 2041 } else { 2042 clearSelectedChip(); 2043 } 2044 } 2045 } 2046 2047 private boolean chipsPending() { 2048 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2049 } 2050 2051 @Override 2052 public void removeTextChangedListener(TextWatcher watcher) { 2053 mTextWatcher = null; 2054 super.removeTextChangedListener(watcher); 2055 } 2056 2057 private class RecipientTextWatcher implements TextWatcher { 2058 2059 @Override 2060 public void afterTextChanged(Editable s) { 2061 // If the text has been set to null or empty, make sure we remove 2062 // all the spans we applied. 2063 if (TextUtils.isEmpty(s)) { 2064 // Remove all the chips spans. 2065 Spannable spannable = getSpannable(); 2066 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2067 RecipientChip.class); 2068 for (RecipientChip chip : chips) { 2069 spannable.removeSpan(chip); 2070 } 2071 if (mMoreChip != null) { 2072 spannable.removeSpan(mMoreChip); 2073 } 2074 return; 2075 } 2076 // Get whether there are any recipients pending addition to the 2077 // view. If there are, don't do anything in the text watcher. 2078 if (chipsPending()) { 2079 return; 2080 } 2081 // If the user is editing a chip, don't clear it. 2082 if (mSelectedChip != null 2083 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2084 setCursorVisible(true); 2085 setSelection(getText().length()); 2086 clearSelectedChip(); 2087 } 2088 int length = s.length(); 2089 // Make sure there is content there to parse and that it is 2090 // not just the commit character. 2091 if (length > 1) { 2092 char last; 2093 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2094 int len = length() - 1; 2095 if (end != len) { 2096 last = s.charAt(end); 2097 } else { 2098 last = s.charAt(len); 2099 } 2100 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2101 commitByCharacter(); 2102 } else if (last == COMMIT_CHAR_SPACE) { 2103 if (!isPhoneQuery()) { 2104 // Check if this is a valid email address. If it is, 2105 // commit it. 2106 String text = getText().toString(); 2107 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2108 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2109 tokenStart)); 2110 if (!TextUtils.isEmpty(sub) && mValidator != null && 2111 mValidator.isValid(sub)) { 2112 commitByCharacter(); 2113 } 2114 } 2115 } 2116 } 2117 } 2118 2119 @Override 2120 public void onTextChanged(CharSequence s, int start, int before, int count) { 2121 // This is a delete; check to see if the insertion point is on a space 2122 // following a chip. 2123 if (before > count) { 2124 // If the item deleted is a space, and the thing before the 2125 // space is a chip, delete the entire span. 2126 int selStart = getSelectionStart(); 2127 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2128 RecipientChip.class); 2129 if (repl.length > 0) { 2130 // There is a chip there! Just remove it. 2131 Editable editable = getText(); 2132 // Add the separator token. 2133 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2134 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2135 tokenEnd = tokenEnd + 1; 2136 if (tokenEnd > editable.length()) { 2137 tokenEnd = editable.length(); 2138 } 2139 editable.delete(tokenStart, tokenEnd); 2140 getSpannable().removeSpan(repl[0]); 2141 } 2142 } 2143 } 2144 2145 @Override 2146 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2147 // Do nothing. 2148 } 2149 } 2150 2151 /** 2152 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2153 */ 2154 private void handlePasteClip(ClipData clip) { 2155 removeTextChangedListener(mTextWatcher); 2156 2157 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2158 for (int i = 0; i < clip.getItemCount(); i++) { 2159 CharSequence paste = clip.getItemAt(i).getText(); 2160 if (paste != null) { 2161 int start = getSelectionStart(); 2162 int end = getSelectionEnd(); 2163 Editable editable = getText(); 2164 if (start >= 0 && end >= 0 && start != end) { 2165 editable.append(paste, start, end); 2166 } else { 2167 editable.insert(end, paste); 2168 } 2169 handlePasteAndReplace(); 2170 } 2171 } 2172 } 2173 2174 mHandler.post(mAddTextWatcher); 2175 } 2176 2177 @Override 2178 public boolean onTextContextMenuItem(int id) { 2179 if (id == android.R.id.paste) { 2180 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2181 Context.CLIPBOARD_SERVICE); 2182 handlePasteClip(clipboard.getPrimaryClip()); 2183 return true; 2184 } 2185 return super.onTextContextMenuItem(id); 2186 } 2187 2188 private void handlePasteAndReplace() { 2189 ArrayList<RecipientChip> created = handlePaste(); 2190 if (created != null && created.size() > 0) { 2191 // Perform reverse lookups on the pasted contacts. 2192 IndividualReplacementTask replace = new IndividualReplacementTask(); 2193 replace.execute(created); 2194 } 2195 } 2196 2197 // Visible for testing. 2198 /* package */ArrayList<RecipientChip> handlePaste() { 2199 String text = getText().toString(); 2200 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2201 String lastAddress = text.substring(originalTokenStart); 2202 int tokenStart = originalTokenStart; 2203 int prevTokenStart = tokenStart; 2204 RecipientChip findChip = null; 2205 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2206 if (tokenStart != 0) { 2207 // There are things before this! 2208 while (tokenStart != 0 && findChip == null) { 2209 prevTokenStart = tokenStart; 2210 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2211 findChip = findChip(tokenStart); 2212 } 2213 if (tokenStart != originalTokenStart) { 2214 if (findChip != null) { 2215 tokenStart = prevTokenStart; 2216 } 2217 int tokenEnd; 2218 RecipientChip createdChip; 2219 while (tokenStart < originalTokenStart) { 2220 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2221 commitChip(tokenStart, tokenEnd, getText()); 2222 createdChip = findChip(tokenStart); 2223 // +1 for the space at the end. 2224 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2225 created.add(createdChip); 2226 } 2227 } 2228 } 2229 // Take a look at the last token. If the token has been completed with a 2230 // commit character, create a chip. 2231 if (isCompletedToken(lastAddress)) { 2232 Editable editable = getText(); 2233 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2234 commitChip(tokenStart, editable.length(), editable); 2235 created.add(findChip(tokenStart)); 2236 } 2237 return created; 2238 } 2239 2240 // Visible for testing. 2241 /* package */int movePastTerminators(int tokenEnd) { 2242 if (tokenEnd >= length()) { 2243 return tokenEnd; 2244 } 2245 char atEnd = getText().toString().charAt(tokenEnd); 2246 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2247 tokenEnd++; 2248 } 2249 // This token had not only an end token character, but also a space 2250 // separating it from the next token. 2251 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2252 tokenEnd++; 2253 } 2254 return tokenEnd; 2255 } 2256 2257 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2258 private RecipientChip createFreeChip(RecipientEntry entry) { 2259 try { 2260 if (mNoChips) { 2261 return null; 2262 } 2263 return constructChipSpan(entry, -1, false); 2264 } catch (NullPointerException e) { 2265 Log.e(TAG, e.getMessage(), e); 2266 return null; 2267 } 2268 } 2269 2270 @Override 2271 protected Void doInBackground(Void... params) { 2272 if (mIndividualReplacements != null) { 2273 mIndividualReplacements.cancel(true); 2274 } 2275 // For each chip in the list, look up the matching contact. 2276 // If there is a match, replace that chip with the matching 2277 // chip. 2278 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2279 RecipientChip[] existingChips = getSortedRecipients(); 2280 for (int i = 0; i < existingChips.length; i++) { 2281 originalRecipients.add(existingChips[i]); 2282 } 2283 if (mRemovedSpans != null) { 2284 originalRecipients.addAll(mRemovedSpans); 2285 } 2286 ArrayList<String> addresses = new ArrayList<String>(); 2287 RecipientChip chip; 2288 for (int i = 0; i < originalRecipients.size(); i++) { 2289 chip = originalRecipients.get(i); 2290 if (chip != null) { 2291 addresses.add(createAddressText(chip.getEntry())); 2292 } 2293 } 2294 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2295 .getMatchingRecipients(getContext(), addresses); 2296 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2297 for (final RecipientChip temp : originalRecipients) { 2298 RecipientEntry entry = null; 2299 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2300 && getSpannable().getSpanStart(temp) != -1) { 2301 // Replace this. 2302 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2303 .getDestination()))); 2304 } 2305 if (entry != null) { 2306 replacements.add(createFreeChip(entry)); 2307 } else { 2308 replacements.add(temp); 2309 } 2310 } 2311 if (replacements != null && replacements.size() > 0) { 2312 mHandler.post(new Runnable() { 2313 @Override 2314 public void run() { 2315 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2316 .toString()); 2317 Editable oldText = getText(); 2318 int start, end; 2319 int i = 0; 2320 for (RecipientChip chip : originalRecipients) { 2321 start = oldText.getSpanStart(chip); 2322 if (start != -1) { 2323 end = oldText.getSpanEnd(chip); 2324 oldText.removeSpan(chip); 2325 // Leave a spot for the space! 2326 RecipientChip replacement = replacements.get(i); 2327 text.setSpan(replacement, start, end, 2328 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2329 replacement.setOriginalText(text.toString().substring(start, end)); 2330 } 2331 i++; 2332 } 2333 originalRecipients.clear(); 2334 setText(text); 2335 } 2336 }); 2337 } 2338 return null; 2339 } 2340 } 2341 2342 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2343 @SuppressWarnings("unchecked") 2344 @Override 2345 protected Void doInBackground(Object... params) { 2346 // For each chip in the list, look up the matching contact. 2347 // If there is a match, replace that chip with the matching 2348 // chip. 2349 final ArrayList<RecipientChip> originalRecipients = 2350 (ArrayList<RecipientChip>) params[0]; 2351 ArrayList<String> addresses = new ArrayList<String>(); 2352 RecipientChip chip; 2353 for (int i = 0; i < originalRecipients.size(); i++) { 2354 chip = originalRecipients.get(i); 2355 if (chip != null) { 2356 addresses.add(createAddressText(chip.getEntry())); 2357 } 2358 } 2359 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2360 .getMatchingRecipients(getContext(), addresses); 2361 for (final RecipientChip temp : originalRecipients) { 2362 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2363 && getSpannable().getSpanStart(temp) != -1) { 2364 // Replace this. 2365 final RecipientEntry entry = createValidatedEntry(entries 2366 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2367 if (entry != null) { 2368 mHandler.post(new Runnable() { 2369 @Override 2370 public void run() { 2371 replaceChip(temp, entry); 2372 } 2373 }); 2374 } 2375 } 2376 } 2377 return null; 2378 } 2379 } 2380 2381 2382 /** 2383 * MoreImageSpan is a simple class created for tracking the existence of a 2384 * more chip across activity restarts/ 2385 */ 2386 private class MoreImageSpan extends ImageSpan { 2387 public MoreImageSpan(Drawable b) { 2388 super(b); 2389 } 2390 } 2391 2392 @Override 2393 public boolean onDown(MotionEvent e) { 2394 return false; 2395 } 2396 2397 @Override 2398 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2399 // Do nothing. 2400 return false; 2401 } 2402 2403 @Override 2404 public void onLongPress(MotionEvent event) { 2405 if (mSelectedChip != null) { 2406 return; 2407 } 2408 float x = event.getX(); 2409 float y = event.getY(); 2410 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2411 RecipientChip currentChip = findChip(offset); 2412 if (currentChip != null) { 2413 if (mDragEnabled) { 2414 // Start drag-and-drop for the selected chip. 2415 startDrag(currentChip); 2416 } else { 2417 // Copy the selected chip email address. 2418 showCopyDialog(currentChip.getEntry().getDestination()); 2419 } 2420 } 2421 } 2422 2423 /** 2424 * Enables drag-and-drop for chips. 2425 */ 2426 public void enableDrag() { 2427 mDragEnabled = true; 2428 } 2429 2430 /** 2431 * Starts drag-and-drop for the selected chip. 2432 */ 2433 private void startDrag(RecipientChip currentChip) { 2434 String address = currentChip.getEntry().getDestination(); 2435 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2436 2437 // Start drag mode. 2438 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2439 2440 // Remove the current chip, so drag-and-drop will result in a move. 2441 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2442 removeChip(currentChip); 2443 } 2444 2445 /** 2446 * Handles drag event. 2447 */ 2448 @Override 2449 public boolean onDragEvent(DragEvent event) { 2450 switch (event.getAction()) { 2451 case DragEvent.ACTION_DRAG_STARTED: 2452 // Only handle plain text drag and drop. 2453 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2454 case DragEvent.ACTION_DRAG_ENTERED: 2455 requestFocus(); 2456 return true; 2457 case DragEvent.ACTION_DROP: 2458 handlePasteClip(event.getClipData()); 2459 return true; 2460 } 2461 return false; 2462 } 2463 2464 /** 2465 * Drag shadow for a {@link RecipientChip}. 2466 */ 2467 private final class RecipientChipShadow extends DragShadowBuilder { 2468 private final RecipientChip mChip; 2469 2470 public RecipientChipShadow(RecipientChip chip) { 2471 mChip = chip; 2472 } 2473 2474 @Override 2475 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2476 Rect rect = mChip.getDrawable().getBounds(); 2477 shadowSize.set(rect.width(), rect.height()); 2478 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2479 } 2480 2481 @Override 2482 public void onDrawShadow(Canvas canvas) { 2483 mChip.getDrawable().draw(canvas); 2484 } 2485 } 2486 2487 private void showCopyDialog(final String address) { 2488 mCopyAddress = address; 2489 mCopyDialog.setTitle(address); 2490 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2491 mCopyDialog.setCancelable(true); 2492 mCopyDialog.setCanceledOnTouchOutside(true); 2493 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2494 button.setOnClickListener(this); 2495 int btnTitleId; 2496 if (isPhoneQuery()) { 2497 btnTitleId = R.string.copy_number; 2498 } else { 2499 btnTitleId = R.string.copy_email; 2500 } 2501 String buttonTitle = getContext().getResources().getString(btnTitleId); 2502 button.setText(buttonTitle); 2503 mCopyDialog.setOnDismissListener(this); 2504 mCopyDialog.show(); 2505 } 2506 2507 @Override 2508 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2509 // Do nothing. 2510 return false; 2511 } 2512 2513 @Override 2514 public void onShowPress(MotionEvent e) { 2515 // Do nothing. 2516 } 2517 2518 @Override 2519 public boolean onSingleTapUp(MotionEvent e) { 2520 // Do nothing. 2521 return false; 2522 } 2523 2524 @Override 2525 public void onDismiss(DialogInterface dialog) { 2526 mCopyAddress = null; 2527 } 2528 2529 @Override 2530 public void onClick(View v) { 2531 // Copy this to the clipboard. 2532 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2533 Context.CLIPBOARD_SERVICE); 2534 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2535 mCopyDialog.dismiss(); 2536 } 2537 2538 protected boolean isPhoneQuery() { 2539 return ((BaseRecipientAdapter)getAdapter()).getQueryType() == 2540 BaseRecipientAdapter.QUERY_TYPE_PHONE; 2541 } 2542} 2543