RecipientEditTextView.java revision 8ff03734c31831d3d60b0cb2707c006dbf64d330
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 return connection; 298 } 299 300 /*package*/ RecipientChip getLastChip() { 301 RecipientChip last = null; 302 RecipientChip[] chips = getSortedRecipients(); 303 if (chips != null && chips.length > 0) { 304 last = chips[chips.length - 1]; 305 } 306 return last; 307 } 308 309 @Override 310 public void onSelectionChanged(int start, int end) { 311 // When selection changes, see if it is inside the chips area. 312 // If so, move the cursor back after the chips again. 313 RecipientChip last = getLastChip(); 314 if (last != null && start < getSpannable().getSpanEnd(last)) { 315 // Grab the last chip and set the cursor to after it. 316 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 317 } 318 super.onSelectionChanged(start, end); 319 } 320 321 @Override 322 public void onRestoreInstanceState(Parcelable state) { 323 if (!TextUtils.isEmpty(getText())) { 324 super.onRestoreInstanceState(null); 325 } else { 326 super.onRestoreInstanceState(state); 327 } 328 } 329 330 @Override 331 public Parcelable onSaveInstanceState() { 332 // If the user changes orientation while they are editing, just roll back the selection. 333 clearSelectedChip(); 334 return super.onSaveInstanceState(); 335 } 336 337 /** 338 * Convenience method: Append the specified text slice to the TextView's 339 * display buffer, upgrading it to BufferType.EDITABLE if it was 340 * not already editable. Commas are excluded as they are added automatically 341 * by the view. 342 */ 343 @Override 344 public void append(CharSequence text, int start, int end) { 345 // We don't care about watching text changes while appending. 346 if (mTextWatcher != null) { 347 removeTextChangedListener(mTextWatcher); 348 } 349 super.append(text, start, end); 350 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 351 final String displayString = (String) text; 352 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 353 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 354 && TextUtils.getTrimmedLength(displayString) > 0) { 355 mPendingChipsCount++; 356 mPendingChips.add((String)text); 357 } 358 } 359 // Put a message on the queue to make sure we ALWAYS handle pending chips. 360 if (mPendingChipsCount > 0) { 361 postHandlePendingChips(); 362 } 363 mHandler.post(mAddTextWatcher); 364 } 365 366 @Override 367 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 368 super.onFocusChanged(hasFocus, direction, previous); 369 if (!hasFocus) { 370 shrink(); 371 } else { 372 expand(); 373 } 374 } 375 376 @Override 377 public void performValidation() { 378 // Do nothing. Chips handles its own validation. 379 } 380 381 private void shrink() { 382 if (mTokenizer == null) { 383 return; 384 } 385 if (mSelectedChip != null 386 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 387 clearSelectedChip(); 388 } else { 389 if (getWidth() <= 0) { 390 // We don't have the width yet which means the view hasn't been drawn yet 391 // and there is no reason to attempt to commit chips yet. 392 // This focus lost must be the result of an orientation change 393 // or an initial rendering. 394 // Re-post the shrink for later. 395 mHandler.removeCallbacks(mDelayedShrink); 396 mHandler.post(mDelayedShrink); 397 return; 398 } 399 // Reset any pending chips as they would have been handled 400 // when the field lost focus. 401 if (mPendingChipsCount > 0) { 402 postHandlePendingChips(); 403 } else { 404 Editable editable = getText(); 405 int end = getSelectionEnd(); 406 int start = mTokenizer.findTokenStart(editable, end); 407 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 408 if ((chips == null || chips.length == 0)) { 409 Editable text = getText(); 410 int whatEnd = mTokenizer.findTokenEnd(text, start); 411 // This token was already tokenized, so skip past the ending token. 412 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 413 whatEnd++; 414 } 415 // In the middle of chip; treat this as an edit 416 // and commit the whole token. 417 int selEnd = getSelectionEnd(); 418 if (whatEnd != selEnd) { 419 handleEdit(start, whatEnd); 420 } else { 421 commitChip(start, end, editable); 422 } 423 } 424 } 425 mHandler.post(mAddTextWatcher); 426 } 427 createMoreChip(); 428 } 429 430 private void expand() { 431 removeMoreChip(); 432 setCursorVisible(true); 433 Editable text = getText(); 434 setSelection(text != null && text.length() > 0 ? text.length() : 0); 435 // If there are any temporary chips, try replacing them now that the user 436 // has expanded the field. 437 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 438 new RecipientReplacementTask().execute(); 439 mTemporaryRecipients = null; 440 } 441 } 442 443 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 444 paint.setTextSize(mChipFontSize); 445 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 446 Log.d(TAG, "Max width is negative: " + maxWidth); 447 } 448 return TextUtils.ellipsize(text, paint, maxWidth, 449 TextUtils.TruncateAt.END); 450 } 451 452 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 453 // Ellipsize the text so that it takes AT MOST the entire width of the 454 // autocomplete text entry area. Make sure to leave space for padding 455 // on the sides. 456 int height = (int) mChipHeight; 457 int deleteWidth = height; 458 float[] widths = new float[1]; 459 paint.getTextWidths(" ", widths); 460 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 461 calculateAvailableWidth(true) - deleteWidth - widths[0]); 462 463 // Make sure there is a minimum chip width so the user can ALWAYS 464 // tap a chip without difficulty. 465 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 466 ellipsizedText.length())) 467 + (mChipPadding * 2) + deleteWidth); 468 469 // Create the background of the chip. 470 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 471 Canvas canvas = new Canvas(tmpBitmap); 472 if (mChipBackgroundPressed != null) { 473 mChipBackgroundPressed.setBounds(0, 0, width, height); 474 mChipBackgroundPressed.draw(canvas); 475 paint.setColor(sSelectedTextColor); 476 // Vertically center the text in the chip. 477 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 478 getTextYOffset((String) ellipsizedText, paint, height), paint); 479 // Make the delete a square. 480 Rect backgroundPadding = new Rect(); 481 mChipBackgroundPressed.getPadding(backgroundPadding); 482 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 483 0 + backgroundPadding.top, 484 width - backgroundPadding.right, 485 height - backgroundPadding.bottom); 486 mChipDelete.draw(canvas); 487 } else { 488 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 489 } 490 return tmpBitmap; 491 } 492 493 494 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 495 // Ellipsize the text so that it takes AT MOST the entire width of the 496 // autocomplete text entry area. Make sure to leave space for padding 497 // on the sides. 498 int height = (int) mChipHeight; 499 int iconWidth = height; 500 float[] widths = new float[1]; 501 paint.getTextWidths(" ", widths); 502 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 503 calculateAvailableWidth(false) - iconWidth - widths[0]); 504 // Make sure there is a minimum chip width so the user can ALWAYS 505 // tap a chip without difficulty. 506 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 507 ellipsizedText.length())) 508 + (mChipPadding * 2) + iconWidth); 509 510 // Create the background of the chip. 511 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 512 Canvas canvas = new Canvas(tmpBitmap); 513 Drawable background = getChipBackground(contact); 514 if (background != null) { 515 background.setBounds(0, 0, width, height); 516 background.draw(canvas); 517 518 // Don't draw photos for recipients that have been typed in. 519 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 520 byte[] photoBytes = contact.getPhotoBytes(); 521 // There may not be a photo yet if anything but the first contact address 522 // was selected. 523 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 524 // TODO: cache this in the recipient entry? 525 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 526 .getPhotoThumbnailUri()); 527 photoBytes = contact.getPhotoBytes(); 528 } 529 530 Bitmap photo; 531 if (photoBytes != null) { 532 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 533 } else { 534 // TODO: can the scaled down default photo be cached? 535 photo = mDefaultContactPhoto; 536 } 537 // Draw the photo on the left side. 538 if (photo != null) { 539 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 540 Rect backgroundPadding = new Rect(); 541 mChipBackground.getPadding(backgroundPadding); 542 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 543 0 + backgroundPadding.top, 544 width - backgroundPadding.right, 545 height - backgroundPadding.bottom); 546 Matrix matrix = new Matrix(); 547 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 548 canvas.drawBitmap(photo, matrix, paint); 549 } 550 } else { 551 // Don't leave any space for the icon. It isn't being drawn. 552 iconWidth = 0; 553 } 554 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 555 // Vertically center the text in the chip. 556 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 557 getTextYOffset((String)ellipsizedText, paint, height), paint); 558 } else { 559 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 560 } 561 return tmpBitmap; 562 } 563 564 /** 565 * Get the background drawable for a RecipientChip. 566 */ 567 // Visible for testing. 568 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 569 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 570 mChipBackground : mInvalidChipBackground; 571 } 572 573 private float getTextYOffset(String text, TextPaint paint, int height) { 574 Rect bounds = new Rect(); 575 paint.getTextBounds(text, 0, text.length(), bounds); 576 int textHeight = bounds.bottom - bounds.top ; 577 return height - ((height - textHeight) / 2) - (int)paint.descent(); 578 } 579 580 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 581 throws NullPointerException { 582 if (mChipBackground == null) { 583 throw new NullPointerException( 584 "Unable to render any chips as setChipDimensions was not called."); 585 } 586 Layout layout = getLayout(); 587 588 TextPaint paint = getPaint(); 589 float defaultSize = paint.getTextSize(); 590 int defaultColor = paint.getColor(); 591 592 Bitmap tmpBitmap; 593 if (pressed) { 594 tmpBitmap = createSelectedChip(contact, paint, layout); 595 596 } else { 597 tmpBitmap = createUnselectedChip(contact, paint, layout); 598 } 599 600 // Pass the full text, un-ellipsized, to the chip. 601 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 602 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 603 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 604 // Return text to the original size. 605 paint.setTextSize(defaultSize); 606 paint.setColor(defaultColor); 607 return recipientChip; 608 } 609 610 /** 611 * Calculate the bottom of the line the chip will be located on using: 612 * 1) which line the chip appears on 613 * 2) the height of a chip 614 * 3) padding built into the edit text view 615 */ 616 private int calculateOffsetFromBottom(int line) { 617 // Line offsets start at zero. 618 int actualLine = getLineCount() - (line + 1); 619 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 620 + getDropDownVerticalOffset(); 621 } 622 623 /** 624 * Get the max amount of space a chip can take up. The formula takes into 625 * account the width of the EditTextView, any view padding, and padding 626 * that will be added to the chip. 627 */ 628 private float calculateAvailableWidth(boolean pressed) { 629 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 630 } 631 632 633 private void setChipDimensions(Context context, AttributeSet attrs) { 634 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 635 0); 636 Resources r = getContext().getResources(); 637 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 638 if (mChipBackground == null) { 639 mChipBackground = r.getDrawable(R.drawable.chip_background); 640 } 641 mChipBackgroundPressed = a 642 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 643 if (mChipBackgroundPressed == null) { 644 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 645 } 646 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 647 if (mChipDelete == null) { 648 mChipDelete = r.getDrawable(R.drawable.chip_delete); 649 } 650 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 651 if (mChipPadding == -1) { 652 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 653 } 654 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 655 -1); 656 if (mAlternatesLayout == -1) { 657 mAlternatesLayout = R.layout.chips_alternate_item; 658 } 659 660 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 661 662 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 663 664 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 665 if (mChipHeight == -1) { 666 mChipHeight = r.getDimension(R.dimen.chip_height); 667 } 668 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 669 if (mChipFontSize == -1) { 670 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 671 } 672 mInvalidChipBackground = a 673 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 674 if (mInvalidChipBackground == null) { 675 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 676 } 677 } 678 679 // Visible for testing. 680 /* package */ void setMoreItem(TextView moreItem) { 681 mMoreItem = moreItem; 682 } 683 684 685 // Visible for testing. 686 /* package */ void setChipBackground(Drawable chipBackground) { 687 mChipBackground = chipBackground; 688 } 689 690 // Visible for testing. 691 /* package */ void setChipHeight(int height) { 692 mChipHeight = height; 693 } 694 695 /** 696 * Set whether to shrink the recipients field such that at most 697 * one line of recipients chips are shown when the field loses 698 * focus. By default, the number of displayed recipients will be 699 * limited and a "more" chip will be shown when focus is lost. 700 * @param shrink 701 */ 702 public void setOnFocusListShrinkRecipients(boolean shrink) { 703 mShouldShrink = shrink; 704 } 705 706 @Override 707 public void onSizeChanged(int width, int height, int oldw, int oldh) { 708 super.onSizeChanged(width, height, oldw, oldh); 709 if (width != 0 && height != 0) { 710 if (mPendingChipsCount > 0) { 711 postHandlePendingChips(); 712 } else { 713 checkChipWidths(); 714 } 715 } 716 // Try to find the scroll view parent, if it exists. 717 if (mScrollView == null && !mTriedGettingScrollView) { 718 ViewParent parent = getParent(); 719 while (parent != null && !(parent instanceof ScrollView)) { 720 parent = parent.getParent(); 721 } 722 if (parent != null) { 723 mScrollView = (ScrollView) parent; 724 } 725 mTriedGettingScrollView = true; 726 } 727 } 728 729 private void postHandlePendingChips() { 730 mHandler.removeCallbacks(mHandlePendingChips); 731 mHandler.post(mHandlePendingChips); 732 } 733 734 private void checkChipWidths() { 735 // Check the widths of the associated chips. 736 RecipientChip[] chips = getSortedRecipients(); 737 if (chips != null) { 738 Rect bounds; 739 for (RecipientChip chip : chips) { 740 bounds = chip.getDrawable().getBounds(); 741 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 742 // Need to redraw that chip. 743 replaceChip(chip, chip.getEntry()); 744 } 745 } 746 } 747 } 748 749 // Visible for testing. 750 /*package*/ void handlePendingChips() { 751 if (getViewWidth() <= 0) { 752 // The widget has not been sized yet. 753 // This will be called as a result of onSizeChanged 754 // at a later point. 755 return; 756 } 757 if (mPendingChipsCount <= 0) { 758 return; 759 } 760 761 synchronized (mPendingChips) { 762 Editable editable = getText(); 763 // Tokenize! 764 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 765 for (int i = 0; i < mPendingChips.size(); i++) { 766 String current = mPendingChips.get(i); 767 int tokenStart = editable.toString().indexOf(current); 768 int tokenEnd = tokenStart + current.length(); 769 if (tokenStart >= 0) { 770 // When we have a valid token, include it with the token 771 // to the left. 772 if (tokenEnd < editable.length() - 2 773 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 774 tokenEnd++; 775 } 776 createReplacementChip(tokenStart, tokenEnd, editable); 777 } 778 mPendingChipsCount--; 779 } 780 sanitizeEnd(); 781 } else { 782 mNoChips = true; 783 } 784 785 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 786 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 787 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 788 new RecipientReplacementTask().execute(); 789 mTemporaryRecipients = null; 790 } else { 791 // Create the "more" chip 792 mIndividualReplacements = new IndividualReplacementTask(); 793 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 794 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 795 796 createMoreChip(); 797 } 798 } else { 799 // There are too many recipients to look up, so just fall back 800 // to showing addresses for all of them. 801 mTemporaryRecipients = null; 802 createMoreChip(); 803 } 804 mPendingChipsCount = 0; 805 mPendingChips.clear(); 806 } 807 } 808 809 // Visible for testing. 810 /*package*/ int getViewWidth() { 811 return getWidth(); 812 } 813 814 /** 815 * Remove any characters after the last valid chip. 816 */ 817 // Visible for testing. 818 /*package*/ void sanitizeEnd() { 819 // Don't sanitize while we are waiting for pending chips to complete. 820 if (mPendingChipsCount > 0) { 821 return; 822 } 823 // Find the last chip; eliminate any commit characters after it. 824 RecipientChip[] chips = getSortedRecipients(); 825 if (chips != null && chips.length > 0) { 826 int end; 827 ImageSpan lastSpan; 828 mMoreChip = getMoreChip(); 829 if (mMoreChip != null) { 830 lastSpan = mMoreChip; 831 } else { 832 lastSpan = getLastChip(); 833 } 834 end = getSpannable().getSpanEnd(lastSpan); 835 Editable editable = getText(); 836 int length = editable.length(); 837 if (length > end) { 838 // See what characters occur after that and eliminate them. 839 if (Log.isLoggable(TAG, Log.DEBUG)) { 840 Log.d(TAG, "There were extra characters after the last tokenizable entry." 841 + editable); 842 } 843 editable.delete(end + 1, length); 844 } 845 } 846 } 847 848 /** 849 * Create a chip that represents just the email address of a recipient. At some later 850 * point, this chip will be attached to a real contact entry, if one exists. 851 */ 852 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 853 if (alreadyHasChip(tokenStart, tokenEnd)) { 854 // There is already a chip present at this location. 855 // Don't recreate it. 856 return; 857 } 858 String token = editable.toString().substring(tokenStart, tokenEnd); 859 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 860 if (commitCharIndex == token.length() - 1) { 861 token = token.substring(0, token.length() - 1); 862 } 863 RecipientEntry entry = createTokenizedEntry(token); 864 if (entry != null) { 865 String destText = createAddressText(entry); 866 // Always leave a blank space at the end of a chip. 867 int textLength = destText.length() - 1; 868 SpannableString chipText = new SpannableString(destText); 869 int end = getSelectionEnd(); 870 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 871 RecipientChip chip = null; 872 try { 873 if (!mNoChips) { 874 chip = constructChipSpan(entry, start, false); 875 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 876 } 877 } catch (NullPointerException e) { 878 Log.e(TAG, e.getMessage(), e); 879 } 880 editable.replace(tokenStart, tokenEnd, chipText); 881 // Add this chip to the list of entries "to replace" 882 if (chip != null) { 883 if (mTemporaryRecipients == null) { 884 mTemporaryRecipients = new ArrayList<RecipientChip>(); 885 } 886 chip.setOriginalText(chipText.toString()); 887 mTemporaryRecipients.add(chip); 888 } 889 } 890 } 891 892 private static boolean isPhoneNumber(String number) { 893 // TODO: replace this function with libphonenumber's isPossibleNumber (see 894 // PhoneNumberUtil). One complication is that it requires the sender's region which 895 // comes from the CurrentCountryIso. For now, let's just do this simple match. 896 if (TextUtils.isEmpty(number)) { 897 return false; 898 } 899 900 Matcher match = Patterns.PHONE.matcher(number); 901 return match.matches(); 902 } 903 904 private RecipientEntry createTokenizedEntry(String token) { 905 if (TextUtils.isEmpty(token)) { 906 return null; 907 } 908 if (((BaseRecipientAdapter)getAdapter()).getQueryType() == 909 BaseRecipientAdapter.QUERY_TYPE_PHONE && isPhoneNumber(token)) { 910 return RecipientEntry 911 .constructFakeEntry(token); 912 } 913 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 914 String display = null; 915 if (isValid(token) && tokens != null && tokens.length > 0) { 916 // If we can get a name from tokenizing, then generate an entry from 917 // this. 918 display = tokens[0].getName(); 919 if (!TextUtils.isEmpty(display)) { 920 return RecipientEntry.constructGeneratedEntry(display, token); 921 } else { 922 display = tokens[0].getAddress(); 923 if (!TextUtils.isEmpty(display)) { 924 return RecipientEntry.constructFakeEntry(display); 925 } 926 } 927 } 928 // Unable to validate the token or to create a valid token from it. 929 // Just create a chip the user can edit. 930 String validatedToken = null; 931 if (mValidator != null && !mValidator.isValid(token)) { 932 // Try fixing up the entry using the validator. 933 validatedToken = mValidator.fixText(token).toString(); 934 if (!TextUtils.isEmpty(validatedToken)) { 935 if (validatedToken.contains(token)) { 936 // protect against the case of a validator with a null domain, 937 // which doesn't add a domain to the token 938 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 939 if (tokenized.length > 0) { 940 validatedToken = tokenized[0].getAddress(); 941 } 942 } else { 943 // We ran into a case where the token was invalid and removed 944 // by the validator. In this case, just use the original token 945 // and let the user sort out the error chip. 946 validatedToken = null; 947 } 948 } 949 } 950 // Otherwise, fallback to just creating an editable email address chip. 951 return RecipientEntry 952 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 953 } 954 955 private boolean isValid(String text) { 956 return mValidator == null ? true : mValidator.isValid(text); 957 } 958 959 private String tokenizeAddress(String destination) { 960 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 961 if (tokens != null && tokens.length > 0) { 962 return tokens[0].getAddress(); 963 } 964 return destination; 965 } 966 967 @Override 968 public void setTokenizer(Tokenizer tokenizer) { 969 mTokenizer = tokenizer; 970 super.setTokenizer(mTokenizer); 971 } 972 973 @Override 974 public void setValidator(Validator validator) { 975 mValidator = validator; 976 super.setValidator(validator); 977 } 978 979 /** 980 * We cannot use the default mechanism for replaceText. Instead, 981 * we override onItemClickListener so we can get all the associated 982 * contact information including display text, address, and id. 983 */ 984 @Override 985 protected void replaceText(CharSequence text) { 986 return; 987 } 988 989 /** 990 * Dismiss any selected chips when the back key is pressed. 991 */ 992 @Override 993 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 994 if (keyCode == KeyEvent.KEYCODE_BACK) { 995 clearSelectedChip(); 996 } 997 return super.onKeyPreIme(keyCode, event); 998 } 999 1000 /** 1001 * Monitor key presses in this view to see if the user types 1002 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1003 * If the user has entered text that has contact matches and types 1004 * a commit key, create a chip from the topmost matching contact. 1005 * If the user has entered text that has no contact matches and types 1006 * a commit key, then create a chip from the text they have entered. 1007 */ 1008 @Override 1009 public boolean onKeyUp(int keyCode, KeyEvent event) { 1010 switch (keyCode) { 1011 case KeyEvent.KEYCODE_ENTER: 1012 case KeyEvent.KEYCODE_DPAD_CENTER: 1013 if (event.hasNoModifiers()) { 1014 if (commitDefault()) { 1015 return true; 1016 } 1017 if (mSelectedChip != null) { 1018 clearSelectedChip(); 1019 return true; 1020 } else if (focusNext()) { 1021 return true; 1022 } 1023 } 1024 break; 1025 case KeyEvent.KEYCODE_TAB: 1026 if (event.hasNoModifiers()) { 1027 if (mSelectedChip != null) { 1028 clearSelectedChip(); 1029 } else { 1030 commitDefault(); 1031 } 1032 if (focusNext()) { 1033 return true; 1034 } 1035 } 1036 } 1037 return super.onKeyUp(keyCode, event); 1038 } 1039 1040 private boolean focusNext() { 1041 View next = focusSearch(View.FOCUS_DOWN); 1042 if (next != null) { 1043 next.requestFocus(); 1044 return true; 1045 } 1046 return false; 1047 } 1048 1049 /** 1050 * Create a chip from the default selection. If the popup is showing, the 1051 * default is the first item in the popup suggestions list. Otherwise, it is 1052 * whatever the user had typed in. End represents where the the tokenizer 1053 * should search for a token to turn into a chip. 1054 * @return If a chip was created from a real contact. 1055 */ 1056 private boolean commitDefault() { 1057 // If there is no tokenizer, don't try to commit. 1058 if (mTokenizer == null) { 1059 return false; 1060 } 1061 Editable editable = getText(); 1062 int end = getSelectionEnd(); 1063 int start = mTokenizer.findTokenStart(editable, end); 1064 1065 if (shouldCreateChip(start, end)) { 1066 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1067 // In the middle of chip; treat this as an edit 1068 // and commit the whole token. 1069 if (whatEnd != getSelectionEnd()) { 1070 handleEdit(start, whatEnd); 1071 return true; 1072 } 1073 return commitChip(start, end , editable); 1074 } 1075 return false; 1076 } 1077 1078 private void commitByCharacter() { 1079 // We can't possibly commit by character if we can't tokenize. 1080 if (mTokenizer == null) { 1081 return; 1082 } 1083 Editable editable = getText(); 1084 int end = getSelectionEnd(); 1085 int start = mTokenizer.findTokenStart(editable, end); 1086 if (shouldCreateChip(start, end)) { 1087 commitChip(start, end, editable); 1088 } 1089 setSelection(getText().length()); 1090 } 1091 1092 private boolean commitChip(int start, int end, Editable editable) { 1093 ListAdapter adapter = getAdapter(); 1094 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1095 && end == getSelectionEnd()) { 1096 // choose the first entry. 1097 submitItemAtPosition(0); 1098 dismissDropDown(); 1099 return true; 1100 } else { 1101 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1102 if (editable.length() > tokenEnd + 1) { 1103 char charAt = editable.charAt(tokenEnd + 1); 1104 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1105 tokenEnd++; 1106 } 1107 } 1108 String text = editable.toString().substring(start, tokenEnd).trim(); 1109 clearComposingText(); 1110 if (text != null && text.length() > 0 && !text.equals(" ")) { 1111 RecipientEntry entry = createTokenizedEntry(text); 1112 if (entry != null) { 1113 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1114 CharSequence chipText = createChip(entry, false); 1115 if (chipText != null && start > -1 && end > -1) { 1116 editable.replace(start, end, chipText); 1117 } 1118 } 1119 // Only dismiss the dropdown if it is related to the text we 1120 // just committed. 1121 // For paste, it may not be as there are possibly multiple 1122 // tokens being added. 1123 if (end == getSelectionEnd()) { 1124 dismissDropDown(); 1125 } 1126 sanitizeBetween(); 1127 return true; 1128 } 1129 } 1130 return false; 1131 } 1132 1133 // Visible for testing. 1134 /* package */ void sanitizeBetween() { 1135 // Don't sanitize while we are waiting for content to chipify. 1136 if (mPendingChipsCount > 0) { 1137 return; 1138 } 1139 // Find the last chip. 1140 RecipientChip[] recips = getSortedRecipients(); 1141 if (recips != null && recips.length > 0) { 1142 RecipientChip last = recips[recips.length - 1]; 1143 RecipientChip beforeLast = null; 1144 if (recips.length > 1) { 1145 beforeLast = recips[recips.length - 2]; 1146 } 1147 int startLooking = 0; 1148 int end = getSpannable().getSpanStart(last); 1149 if (beforeLast != null) { 1150 startLooking = getSpannable().getSpanEnd(beforeLast); 1151 Editable text = getText(); 1152 if (startLooking == -1 || startLooking > text.length() - 1) { 1153 // There is nothing after this chip. 1154 return; 1155 } 1156 if (text.charAt(startLooking) == ' ') { 1157 startLooking++; 1158 } 1159 } 1160 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1161 getText().delete(startLooking, end); 1162 } 1163 } 1164 } 1165 1166 private boolean shouldCreateChip(int start, int end) { 1167 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1168 } 1169 1170 private boolean alreadyHasChip(int start, int end) { 1171 if (mNoChips) { 1172 return true; 1173 } 1174 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1175 if ((chips == null || chips.length == 0)) { 1176 return false; 1177 } 1178 return true; 1179 } 1180 1181 private void handleEdit(int start, int end) { 1182 if (start == -1 || end == -1) { 1183 // This chip no longer exists in the field. 1184 dismissDropDown(); 1185 return; 1186 } 1187 // This is in the middle of a chip, so select out the whole chip 1188 // and commit it. 1189 Editable editable = getText(); 1190 setSelection(end); 1191 String text = getText().toString().substring(start, end); 1192 if (!TextUtils.isEmpty(text)) { 1193 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1194 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1195 CharSequence chipText = createChip(entry, false); 1196 int selEnd = getSelectionEnd(); 1197 if (chipText != null && start > -1 && selEnd > -1) { 1198 editable.replace(start, selEnd, chipText); 1199 } 1200 } 1201 dismissDropDown(); 1202 } 1203 1204 /** 1205 * If there is a selected chip, delegate the key events 1206 * to the selected chip. 1207 */ 1208 @Override 1209 public boolean onKeyDown(int keyCode, KeyEvent event) { 1210 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1211 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1212 mAlternatesPopup.dismiss(); 1213 } 1214 removeChip(mSelectedChip); 1215 } 1216 1217 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1218 return true; 1219 } 1220 1221 return super.onKeyDown(keyCode, event); 1222 } 1223 1224 // Visible for testing. 1225 /* package */ Spannable getSpannable() { 1226 return getText(); 1227 } 1228 1229 private int getChipStart(RecipientChip chip) { 1230 return getSpannable().getSpanStart(chip); 1231 } 1232 1233 private int getChipEnd(RecipientChip chip) { 1234 return getSpannable().getSpanEnd(chip); 1235 } 1236 1237 /** 1238 * Instead of filtering on the entire contents of the edit box, 1239 * this subclass method filters on the range from 1240 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1241 * if the length of that range meets or exceeds {@link #getThreshold} 1242 * and makes sure that the range is not already a Chip. 1243 */ 1244 @Override 1245 protected void performFiltering(CharSequence text, int keyCode) { 1246 if (enoughToFilter() && !isCompletedToken(text)) { 1247 int end = getSelectionEnd(); 1248 int start = mTokenizer.findTokenStart(text, end); 1249 // If this is a RecipientChip, don't filter 1250 // on its contents. 1251 Spannable span = getSpannable(); 1252 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1253 if (chips != null && chips.length > 0) { 1254 return; 1255 } 1256 } 1257 super.performFiltering(text, keyCode); 1258 } 1259 1260 // Visible for testing. 1261 /*package*/ boolean isCompletedToken(CharSequence text) { 1262 if (TextUtils.isEmpty(text)) { 1263 return false; 1264 } 1265 // Check to see if this is a completed token before filtering. 1266 int end = text.length(); 1267 int start = mTokenizer.findTokenStart(text, end); 1268 String token = text.toString().substring(start, end).trim(); 1269 if (!TextUtils.isEmpty(token)) { 1270 char atEnd = token.charAt(token.length() - 1); 1271 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1272 } 1273 return false; 1274 } 1275 1276 private void clearSelectedChip() { 1277 if (mSelectedChip != null) { 1278 unselectChip(mSelectedChip); 1279 mSelectedChip = null; 1280 } 1281 setCursorVisible(true); 1282 } 1283 1284 /** 1285 * Monitor touch events in the RecipientEditTextView. 1286 * If the view does not have focus, any tap on the view 1287 * will just focus the view. If the view has focus, determine 1288 * if the touch target is a recipient chip. If it is and the chip 1289 * is not selected, select it and clear any other selected chips. 1290 * If it isn't, then select that chip. 1291 */ 1292 @Override 1293 public boolean onTouchEvent(MotionEvent event) { 1294 if (!isFocused()) { 1295 // Ignore any chip taps until this view is focused. 1296 return super.onTouchEvent(event); 1297 } 1298 boolean handled = super.onTouchEvent(event); 1299 int action = event.getAction(); 1300 boolean chipWasSelected = false; 1301 if (mSelectedChip == null) { 1302 mGestureDetector.onTouchEvent(event); 1303 } 1304 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1305 float x = event.getX(); 1306 float y = event.getY(); 1307 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1308 RecipientChip currentChip = findChip(offset); 1309 if (currentChip != null) { 1310 if (action == MotionEvent.ACTION_UP) { 1311 if (mSelectedChip != null && mSelectedChip != currentChip) { 1312 clearSelectedChip(); 1313 mSelectedChip = selectChip(currentChip); 1314 } else if (mSelectedChip == null) { 1315 setSelection(getText().length()); 1316 commitDefault(); 1317 mSelectedChip = selectChip(currentChip); 1318 } else { 1319 onClick(mSelectedChip, offset, x, y); 1320 } 1321 } 1322 chipWasSelected = true; 1323 handled = true; 1324 } else if (mSelectedChip != null 1325 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1326 chipWasSelected = true; 1327 } 1328 } 1329 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1330 clearSelectedChip(); 1331 } 1332 return handled; 1333 } 1334 1335 private void scrollLineIntoView(int line) { 1336 if (mScrollView != null) { 1337 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1338 } 1339 } 1340 1341 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1342 int width, Context context) { 1343 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1344 int bottom = calculateOffsetFromBottom(line); 1345 // Align the alternates popup with the left side of the View, 1346 // regardless of the position of the chip tapped. 1347 alternatesPopup.setWidth(width); 1348 setEnabled(false); 1349 alternatesPopup.setAnchorView(this); 1350 alternatesPopup.setVerticalOffset(bottom); 1351 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1352 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1353 // Clear the checked item. 1354 mCheckedItem = -1; 1355 alternatesPopup.show(); 1356 ListView listView = alternatesPopup.getListView(); 1357 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1358 // Checked item would be -1 if the adapter has not 1359 // loaded the view that should be checked yet. The 1360 // variable will be set correctly when onCheckedItemChanged 1361 // is called in a separate thread. 1362 if (mCheckedItem != -1) { 1363 listView.setItemChecked(mCheckedItem, true); 1364 mCheckedItem = -1; 1365 } 1366 } 1367 1368 // Dismiss listener for alterns and single address popup. 1369 @Override 1370 public void onDismiss() { 1371 setEnabled(true); 1372 } 1373 1374 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1375 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1376 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1377 } 1378 1379 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1380 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1381 .getEntry()); 1382 } 1383 1384 @Override 1385 public void onCheckedItemChanged(int position) { 1386 ListView listView = mAlternatesPopup.getListView(); 1387 if (listView != null && listView.getCheckedItemCount() == 0) { 1388 listView.setItemChecked(position, true); 1389 } 1390 mCheckedItem = position; 1391 } 1392 1393 // TODO: This algorithm will need a lot of tweaking after more people have used 1394 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1395 // what comes before the finger. 1396 private int putOffsetInRange(int o) { 1397 int offset = o; 1398 Editable text = getText(); 1399 int length = text.length(); 1400 // Remove whitespace from end to find "real end" 1401 int realLength = length; 1402 for (int i = length - 1; i >= 0; i--) { 1403 if (text.charAt(i) == ' ') { 1404 realLength--; 1405 } else { 1406 break; 1407 } 1408 } 1409 1410 // If the offset is beyond or at the end of the text, 1411 // leave it alone. 1412 if (offset >= realLength) { 1413 return offset; 1414 } 1415 Editable editable = getText(); 1416 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1417 // Keep walking backward! 1418 offset--; 1419 } 1420 return offset; 1421 } 1422 1423 private int findText(Editable text, int offset) { 1424 if (text.charAt(offset) != ' ') { 1425 return offset; 1426 } 1427 return -1; 1428 } 1429 1430 private RecipientChip findChip(int offset) { 1431 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1432 // Find the chip that contains this offset. 1433 for (int i = 0; i < chips.length; i++) { 1434 RecipientChip chip = chips[i]; 1435 int start = getChipStart(chip); 1436 int end = getChipEnd(chip); 1437 if (offset >= start && offset <= end) { 1438 return chip; 1439 } 1440 } 1441 return null; 1442 } 1443 1444 // Visible for testing. 1445 // Use this method to generate text to add to the list of addresses. 1446 /* package */String createAddressText(RecipientEntry entry) { 1447 String display = entry.getDisplayName(); 1448 String address = entry.getDestination(); 1449 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1450 display = null; 1451 } 1452 String trimmedDisplayText; 1453 if (((BaseRecipientAdapter)getAdapter()).getQueryType() == 1454 BaseRecipientAdapter.QUERY_TYPE_PHONE && isPhoneNumber(address)) { 1455 trimmedDisplayText = address.trim(); 1456 } else { 1457 if (address != null) { 1458 // Tokenize out the address in case the address already 1459 // contained the username as well. 1460 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1461 if (tokenized != null && tokenized.length > 0) { 1462 address = tokenized[0].getAddress(); 1463 } 1464 } 1465 Rfc822Token token = new Rfc822Token(display, address, null); 1466 trimmedDisplayText = token.toString().trim(); 1467 } 1468 int index = trimmedDisplayText.indexOf(","); 1469 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1470 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1471 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1472 } 1473 1474 // Visible for testing. 1475 // Use this method to generate text to display in a chip. 1476 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1477 String display = entry.getDisplayName(); 1478 String address = entry.getDestination(); 1479 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1480 display = null; 1481 } 1482 if (address != null && !(((BaseRecipientAdapter)getAdapter()).getQueryType() == 1483 BaseRecipientAdapter.QUERY_TYPE_PHONE && isPhoneNumber(address))) { 1484 // Tokenize out the address in case the address already 1485 // contained the username as well. 1486 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1487 if (tokenized != null && tokenized.length > 0) { 1488 address = tokenized[0].getAddress(); 1489 } 1490 } 1491 if (!TextUtils.isEmpty(display)) { 1492 return display; 1493 } else if (!TextUtils.isEmpty(address)){ 1494 return address; 1495 } else { 1496 return new Rfc822Token(display, address, null).toString(); 1497 } 1498 } 1499 1500 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1501 String displayText = createAddressText(entry); 1502 if (TextUtils.isEmpty(displayText)) { 1503 return null; 1504 } 1505 SpannableString chipText = null; 1506 // Always leave a blank space at the end of a chip. 1507 int end = getSelectionEnd(); 1508 int start = mTokenizer.findTokenStart(getText(), end); 1509 int textLength = displayText.length()-1; 1510 chipText = new SpannableString(displayText); 1511 if (!mNoChips) { 1512 try { 1513 RecipientChip chip = constructChipSpan(entry, start, pressed); 1514 chipText.setSpan(chip, 0, textLength, 1515 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1516 chip.setOriginalText(chipText.toString()); 1517 } catch (NullPointerException e) { 1518 Log.e(TAG, e.getMessage(), e); 1519 return null; 1520 } 1521 } 1522 return chipText; 1523 } 1524 1525 /** 1526 * When an item in the suggestions list has been clicked, create a chip from the 1527 * contact information of the selected item. 1528 */ 1529 @Override 1530 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1531 submitItemAtPosition(position); 1532 } 1533 1534 private void submitItemAtPosition(int position) { 1535 RecipientEntry entry = createValidatedEntry( 1536 (RecipientEntry)getAdapter().getItem(position)); 1537 if (entry == null) { 1538 return; 1539 } 1540 clearComposingText(); 1541 1542 int end = getSelectionEnd(); 1543 int start = mTokenizer.findTokenStart(getText(), end); 1544 1545 Editable editable = getText(); 1546 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1547 CharSequence chip = createChip(entry, false); 1548 if (chip != null && start >= 0 && end >= 0) { 1549 editable.replace(start, end, chip); 1550 } 1551 sanitizeBetween(); 1552 } 1553 1554 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1555 if (item == null) { 1556 return null; 1557 } 1558 final RecipientEntry entry; 1559 // If the display name and the address are the same, or if this is a 1560 // valid contact, but the destination is invalid, then make this a fake 1561 // recipient that is editable. 1562 String destination = item.getDestination(); 1563 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1564 && (TextUtils.isEmpty(item.getDisplayName()) 1565 || TextUtils.equals(item.getDisplayName(), destination) 1566 || (mValidator != null && !mValidator.isValid(destination)))) { 1567 entry = RecipientEntry.constructFakeEntry(destination); 1568 } else { 1569 entry = item; 1570 } 1571 return entry; 1572 } 1573 1574 /** Returns a collection of contact Id for each chip inside this View. */ 1575 /* package */ Collection<Long> getContactIds() { 1576 final Set<Long> result = new HashSet<Long>(); 1577 RecipientChip[] chips = getSortedRecipients(); 1578 if (chips != null) { 1579 for (RecipientChip chip : chips) { 1580 result.add(chip.getContactId()); 1581 } 1582 } 1583 return result; 1584 } 1585 1586 1587 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1588 /* package */ Collection<Long> getDataIds() { 1589 final Set<Long> result = new HashSet<Long>(); 1590 RecipientChip [] chips = getSortedRecipients(); 1591 if (chips != null) { 1592 for (RecipientChip chip : chips) { 1593 result.add(chip.getDataId()); 1594 } 1595 } 1596 return result; 1597 } 1598 1599 // Visible for testing. 1600 /* package */RecipientChip[] getSortedRecipients() { 1601 RecipientChip[] recips = getSpannable() 1602 .getSpans(0, getText().length(), RecipientChip.class); 1603 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1604 .asList(recips)); 1605 final Spannable spannable = getSpannable(); 1606 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1607 1608 @Override 1609 public int compare(RecipientChip first, RecipientChip second) { 1610 int firstStart = spannable.getSpanStart(first); 1611 int secondStart = spannable.getSpanStart(second); 1612 if (firstStart < secondStart) { 1613 return -1; 1614 } else if (firstStart > secondStart) { 1615 return 1; 1616 } else { 1617 return 0; 1618 } 1619 } 1620 }); 1621 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1622 } 1623 1624 @Override 1625 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1626 return false; 1627 } 1628 1629 @Override 1630 public void onDestroyActionMode(ActionMode mode) { 1631 } 1632 1633 @Override 1634 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1635 return false; 1636 } 1637 1638 /** 1639 * No chips are selectable. 1640 */ 1641 @Override 1642 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1643 return false; 1644 } 1645 1646 // Visible for testing. 1647 /* package */ImageSpan getMoreChip() { 1648 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1649 MoreImageSpan.class); 1650 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1651 } 1652 1653 private MoreImageSpan createMoreSpan(int count) { 1654 String moreText = String.format(mMoreItem.getText().toString(), count); 1655 TextPaint morePaint = new TextPaint(getPaint()); 1656 morePaint.setTextSize(mMoreItem.getTextSize()); 1657 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1658 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1659 + mMoreItem.getPaddingRight(); 1660 int height = getLineHeight(); 1661 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1662 Canvas canvas = new Canvas(drawable); 1663 int adjustedHeight = height; 1664 Layout layout = getLayout(); 1665 if (layout != null) { 1666 adjustedHeight -= layout.getLineDescent(0); 1667 } 1668 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1669 1670 Drawable result = new BitmapDrawable(getResources(), drawable); 1671 result.setBounds(0, 0, width, height); 1672 return new MoreImageSpan(result); 1673 } 1674 1675 // Visible for testing. 1676 /*package*/ void createMoreChipPlainText() { 1677 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1678 Editable text = getText(); 1679 int start = 0; 1680 int end = start; 1681 for (int i = 0; i < CHIP_LIMIT; i++) { 1682 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1683 start = end; // move to the next token and get its end. 1684 } 1685 // Now, count total addresses. 1686 start = 0; 1687 int tokenCount = countTokens(text); 1688 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1689 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1690 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1691 text.replace(end, text.length(), chipText); 1692 mMoreChip = moreSpan; 1693 } 1694 1695 // Visible for testing. 1696 /* package */int countTokens(Editable text) { 1697 int tokenCount = 0; 1698 int start = 0; 1699 while (start < text.length()) { 1700 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1701 tokenCount++; 1702 if (start >= text.length()) { 1703 break; 1704 } 1705 } 1706 return tokenCount; 1707 } 1708 1709 /** 1710 * Create the more chip. The more chip is text that replaces any chips that 1711 * do not fit in the pre-defined available space when the 1712 * RecipientEditTextView loses focus. 1713 */ 1714 // Visible for testing. 1715 /* package */ void createMoreChip() { 1716 if (mNoChips) { 1717 createMoreChipPlainText(); 1718 return; 1719 } 1720 1721 if (!mShouldShrink) { 1722 return; 1723 } 1724 1725 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1726 if (tempMore.length > 0) { 1727 getSpannable().removeSpan(tempMore[0]); 1728 } 1729 RecipientChip[] recipients = getSortedRecipients(); 1730 1731 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1732 mMoreChip = null; 1733 return; 1734 } 1735 Spannable spannable = getSpannable(); 1736 int numRecipients = recipients.length; 1737 int overage = numRecipients - CHIP_LIMIT; 1738 MoreImageSpan moreSpan = createMoreSpan(overage); 1739 mRemovedSpans = new ArrayList<RecipientChip>(); 1740 int totalReplaceStart = 0; 1741 int totalReplaceEnd = 0; 1742 Editable text = getText(); 1743 for (int i = numRecipients - overage; i < recipients.length; i++) { 1744 mRemovedSpans.add(recipients[i]); 1745 if (i == numRecipients - overage) { 1746 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1747 } 1748 if (i == recipients.length - 1) { 1749 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1750 } 1751 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1752 int spanStart = spannable.getSpanStart(recipients[i]); 1753 int spanEnd = spannable.getSpanEnd(recipients[i]); 1754 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1755 } 1756 spannable.removeSpan(recipients[i]); 1757 } 1758 if (totalReplaceEnd < text.length()) { 1759 totalReplaceEnd = text.length(); 1760 } 1761 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1762 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1763 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1764 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1765 text.replace(start, end, chipText); 1766 mMoreChip = moreSpan; 1767 } 1768 1769 /** 1770 * Replace the more chip, if it exists, with all of the recipient chips it had 1771 * replaced when the RecipientEditTextView gains focus. 1772 */ 1773 // Visible for testing. 1774 /*package*/ void removeMoreChip() { 1775 if (mMoreChip != null) { 1776 Spannable span = getSpannable(); 1777 span.removeSpan(mMoreChip); 1778 mMoreChip = null; 1779 // Re-add the spans that were removed. 1780 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1781 // Recreate each removed span. 1782 RecipientChip[] recipients = getSortedRecipients(); 1783 // Start the search for tokens after the last currently visible 1784 // chip. 1785 if (recipients == null || recipients.length == 0) { 1786 return; 1787 } 1788 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1789 Editable editable = getText(); 1790 for (RecipientChip chip : mRemovedSpans) { 1791 int chipStart; 1792 int chipEnd; 1793 String token; 1794 // Need to find the location of the chip, again. 1795 token = (String) chip.getOriginalText(); 1796 // As we find the matching recipient for the remove spans, 1797 // reduce the size of the string we need to search. 1798 // That way, if there are duplicates, we always find the correct 1799 // recipient. 1800 chipStart = editable.toString().indexOf(token, end); 1801 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1802 // Only set the span if we found a matching token. 1803 if (chipStart != -1) { 1804 editable.setSpan(chip, chipStart, chipEnd, 1805 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1806 } 1807 } 1808 mRemovedSpans.clear(); 1809 } 1810 } 1811 } 1812 1813 /** 1814 * Show specified chip as selected. If the RecipientChip is just an email address, 1815 * selecting the chip will take the contents of the chip and place it at 1816 * the end of the RecipientEditTextView for inline editing. If the 1817 * RecipientChip is a complete contact, then selecting the chip 1818 * will change the background color of the chip, show the delete icon, 1819 * and a popup window with the address in use highlighted and any other 1820 * alternate addresses for the contact. 1821 * @param currentChip Chip to select. 1822 * @return A RecipientChip in the selected state or null if the chip 1823 * just contained an email address. 1824 */ 1825 private RecipientChip selectChip(RecipientChip currentChip) { 1826 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1827 CharSequence text = currentChip.getValue(); 1828 Editable editable = getText(); 1829 removeChip(currentChip); 1830 editable.append(text); 1831 setCursorVisible(true); 1832 setSelection(editable.length()); 1833 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1834 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1835 int start = getChipStart(currentChip); 1836 int end = getChipEnd(currentChip); 1837 getSpannable().removeSpan(currentChip); 1838 RecipientChip newChip; 1839 try { 1840 if (mNoChips) { 1841 return null; 1842 } 1843 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1844 } catch (NullPointerException e) { 1845 Log.e(TAG, e.getMessage(), e); 1846 return null; 1847 } 1848 Editable editable = getText(); 1849 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1850 if (start == -1 || end == -1) { 1851 Log.d(TAG, "The chip being selected no longer exists but should."); 1852 } else { 1853 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1854 } 1855 newChip.setSelected(true); 1856 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1857 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1858 } 1859 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1860 setCursorVisible(false); 1861 return newChip; 1862 } else { 1863 int start = getChipStart(currentChip); 1864 int end = getChipEnd(currentChip); 1865 getSpannable().removeSpan(currentChip); 1866 RecipientChip newChip; 1867 try { 1868 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1869 } catch (NullPointerException e) { 1870 Log.e(TAG, e.getMessage(), e); 1871 return null; 1872 } 1873 Editable editable = getText(); 1874 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1875 if (start == -1 || end == -1) { 1876 Log.d(TAG, "The chip being selected no longer exists but should."); 1877 } else { 1878 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1879 } 1880 newChip.setSelected(true); 1881 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1882 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1883 } 1884 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1885 setCursorVisible(false); 1886 return newChip; 1887 } 1888 } 1889 1890 1891 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1892 int width, Context context) { 1893 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1894 int bottom = calculateOffsetFromBottom(line); 1895 // Align the alternates popup with the left side of the View, 1896 // regardless of the position of the chip tapped. 1897 setEnabled(false); 1898 popup.setWidth(width); 1899 popup.setAnchorView(this); 1900 popup.setVerticalOffset(bottom); 1901 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1902 popup.setOnItemClickListener(new OnItemClickListener() { 1903 @Override 1904 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1905 unselectChip(currentChip); 1906 popup.dismiss(); 1907 } 1908 }); 1909 popup.show(); 1910 ListView listView = popup.getListView(); 1911 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1912 listView.setItemChecked(0, true); 1913 } 1914 1915 /** 1916 * Remove selection from this chip. Unselecting a RecipientChip will render 1917 * the chip without a delete icon and with an unfocused background. This is 1918 * called when the RecipientChip no longer has focus. 1919 */ 1920 private void unselectChip(RecipientChip chip) { 1921 int start = getChipStart(chip); 1922 int end = getChipEnd(chip); 1923 Editable editable = getText(); 1924 mSelectedChip = null; 1925 if (start == -1 || end == -1) { 1926 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1927 setSelection(editable.length()); 1928 commitDefault(); 1929 } else { 1930 getSpannable().removeSpan(chip); 1931 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1932 editable.removeSpan(chip); 1933 try { 1934 if (!mNoChips) { 1935 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1936 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1937 } 1938 } catch (NullPointerException e) { 1939 Log.e(TAG, e.getMessage(), e); 1940 } 1941 } 1942 setCursorVisible(true); 1943 setSelection(editable.length()); 1944 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1945 mAlternatesPopup.dismiss(); 1946 } 1947 } 1948 1949 /** 1950 * Return whether a touch event was inside the delete target of 1951 * a selected chip. It is in the delete target if: 1952 * 1) the x and y points of the event are within the 1953 * delete assset. 1954 * 2) the point tapped would have caused a cursor to appear 1955 * right after the selected chip. 1956 * @return boolean 1957 */ 1958 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1959 // Figure out the bounds of this chip and whether or not 1960 // the user clicked in the X portion. 1961 return chip.isSelected() && offset == getChipEnd(chip); 1962 } 1963 1964 /** 1965 * Remove the chip and any text associated with it from the RecipientEditTextView. 1966 */ 1967 // Visible for testing. 1968 /*pacakge*/ void removeChip(RecipientChip chip) { 1969 Spannable spannable = getSpannable(); 1970 int spanStart = spannable.getSpanStart(chip); 1971 int spanEnd = spannable.getSpanEnd(chip); 1972 Editable text = getText(); 1973 int toDelete = spanEnd; 1974 boolean wasSelected = chip == mSelectedChip; 1975 // Clear that there is a selected chip before updating any text. 1976 if (wasSelected) { 1977 mSelectedChip = null; 1978 } 1979 // Always remove trailing spaces when removing a chip. 1980 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1981 toDelete++; 1982 } 1983 spannable.removeSpan(chip); 1984 if (spanStart >= 0 && toDelete > 0) { 1985 text.delete(spanStart, toDelete); 1986 } 1987 if (wasSelected) { 1988 clearSelectedChip(); 1989 } 1990 } 1991 1992 /** 1993 * Replace this currently selected chip with a new chip 1994 * that uses the contact data provided. 1995 */ 1996 // Visible for testing. 1997 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1998 boolean wasSelected = chip == mSelectedChip; 1999 if (wasSelected) { 2000 mSelectedChip = null; 2001 } 2002 int start = getChipStart(chip); 2003 int end = getChipEnd(chip); 2004 getSpannable().removeSpan(chip); 2005 Editable editable = getText(); 2006 CharSequence chipText = createChip(entry, false); 2007 if (chipText != null) { 2008 if (start == -1 || end == -1) { 2009 Log.e(TAG, "The chip to replace does not exist but should."); 2010 editable.insert(0, chipText); 2011 } else { 2012 if (!TextUtils.isEmpty(chipText)) { 2013 // There may be a space to replace with this chip's new 2014 // associated 2015 // space. Check for it 2016 int toReplace = end; 2017 while (toReplace >= 0 && toReplace < editable.length() 2018 && editable.charAt(toReplace) == ' ') { 2019 toReplace++; 2020 } 2021 editable.replace(start, toReplace, chipText); 2022 } 2023 } 2024 } 2025 setCursorVisible(true); 2026 if (wasSelected) { 2027 clearSelectedChip(); 2028 } 2029 } 2030 2031 /** 2032 * Handle click events for a chip. When a selected chip receives a click 2033 * event, see if that event was in the delete icon. If so, delete it. 2034 * Otherwise, unselect the chip. 2035 */ 2036 public void onClick(RecipientChip chip, int offset, float x, float y) { 2037 if (chip.isSelected()) { 2038 if (isInDelete(chip, offset, x, y)) { 2039 removeChip(chip); 2040 } else { 2041 clearSelectedChip(); 2042 } 2043 } 2044 } 2045 2046 private boolean chipsPending() { 2047 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2048 } 2049 2050 @Override 2051 public void removeTextChangedListener(TextWatcher watcher) { 2052 mTextWatcher = null; 2053 super.removeTextChangedListener(watcher); 2054 } 2055 2056 private class RecipientTextWatcher implements TextWatcher { 2057 2058 @Override 2059 public void afterTextChanged(Editable s) { 2060 // If the text has been set to null or empty, make sure we remove 2061 // all the spans we applied. 2062 if (TextUtils.isEmpty(s)) { 2063 // Remove all the chips spans. 2064 Spannable spannable = getSpannable(); 2065 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2066 RecipientChip.class); 2067 for (RecipientChip chip : chips) { 2068 spannable.removeSpan(chip); 2069 } 2070 if (mMoreChip != null) { 2071 spannable.removeSpan(mMoreChip); 2072 } 2073 return; 2074 } 2075 // Get whether there are any recipients pending addition to the 2076 // view. If there are, don't do anything in the text watcher. 2077 if (chipsPending()) { 2078 return; 2079 } 2080 // If the user is editing a chip, don't clear it. 2081 if (mSelectedChip != null 2082 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2083 setCursorVisible(true); 2084 setSelection(getText().length()); 2085 clearSelectedChip(); 2086 } 2087 int length = s.length(); 2088 // Make sure there is content there to parse and that it is 2089 // not just the commit character. 2090 if (length > 1) { 2091 char last; 2092 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2093 int len = length() - 1; 2094 if (end != len) { 2095 last = s.charAt(end); 2096 } else { 2097 last = s.charAt(len); 2098 } 2099 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2100 commitByCharacter(); 2101 } else if (last == COMMIT_CHAR_SPACE) { 2102 // Check if this is a valid email address. If it is, 2103 // commit it. 2104 String text = getText().toString(); 2105 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2106 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2107 tokenStart)); 2108 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 2109 commitByCharacter(); 2110 } 2111 } 2112 } 2113 } 2114 2115 @Override 2116 public void onTextChanged(CharSequence s, int start, int before, int count) { 2117 // This is a delete; check to see if the insertion point is on a space 2118 // following a chip. 2119 if (before > count) { 2120 // If the item deleted is a space, and the thing before the 2121 // space is a chip, delete the entire span. 2122 int selStart = getSelectionStart(); 2123 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2124 RecipientChip.class); 2125 if (repl.length > 0) { 2126 // There is a chip there! Just remove it. 2127 Editable editable = getText(); 2128 // Add the separator token. 2129 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2130 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2131 tokenEnd = tokenEnd + 1; 2132 if (tokenEnd > editable.length()) { 2133 tokenEnd = editable.length(); 2134 } 2135 editable.delete(tokenStart, tokenEnd); 2136 getSpannable().removeSpan(repl[0]); 2137 } 2138 } 2139 } 2140 2141 @Override 2142 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2143 // Do nothing. 2144 } 2145 } 2146 2147 /** 2148 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2149 */ 2150 private void handlePasteClip(ClipData clip) { 2151 removeTextChangedListener(mTextWatcher); 2152 2153 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2154 for (int i = 0; i < clip.getItemCount(); i++) { 2155 CharSequence paste = clip.getItemAt(i).getText(); 2156 if (paste != null) { 2157 int start = getSelectionStart(); 2158 int end = getSelectionEnd(); 2159 Editable editable = getText(); 2160 if (start >= 0 && end >= 0 && start != end) { 2161 editable.append(paste, start, end); 2162 } else { 2163 editable.insert(end, paste); 2164 } 2165 handlePasteAndReplace(); 2166 } 2167 } 2168 } 2169 2170 mHandler.post(mAddTextWatcher); 2171 } 2172 2173 @Override 2174 public boolean onTextContextMenuItem(int id) { 2175 if (id == android.R.id.paste) { 2176 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2177 Context.CLIPBOARD_SERVICE); 2178 handlePasteClip(clipboard.getPrimaryClip()); 2179 return true; 2180 } 2181 return super.onTextContextMenuItem(id); 2182 } 2183 2184 private void handlePasteAndReplace() { 2185 ArrayList<RecipientChip> created = handlePaste(); 2186 if (created != null && created.size() > 0) { 2187 // Perform reverse lookups on the pasted contacts. 2188 IndividualReplacementTask replace = new IndividualReplacementTask(); 2189 replace.execute(created); 2190 } 2191 } 2192 2193 // Visible for testing. 2194 /* package */ArrayList<RecipientChip> handlePaste() { 2195 String text = getText().toString(); 2196 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2197 String lastAddress = text.substring(originalTokenStart); 2198 int tokenStart = originalTokenStart; 2199 int prevTokenStart = tokenStart; 2200 RecipientChip findChip = null; 2201 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2202 if (tokenStart != 0) { 2203 // There are things before this! 2204 while (tokenStart != 0 && findChip == null) { 2205 prevTokenStart = tokenStart; 2206 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2207 findChip = findChip(tokenStart); 2208 } 2209 if (tokenStart != originalTokenStart) { 2210 if (findChip != null) { 2211 tokenStart = prevTokenStart; 2212 } 2213 int tokenEnd; 2214 RecipientChip createdChip; 2215 while (tokenStart < originalTokenStart) { 2216 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2217 commitChip(tokenStart, tokenEnd, getText()); 2218 createdChip = findChip(tokenStart); 2219 // +1 for the space at the end. 2220 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2221 created.add(createdChip); 2222 } 2223 } 2224 } 2225 // Take a look at the last token. If the token has been completed with a 2226 // commit character, create a chip. 2227 if (isCompletedToken(lastAddress)) { 2228 Editable editable = getText(); 2229 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2230 commitChip(tokenStart, editable.length(), editable); 2231 created.add(findChip(tokenStart)); 2232 } 2233 return created; 2234 } 2235 2236 // Visible for testing. 2237 /* package */int movePastTerminators(int tokenEnd) { 2238 if (tokenEnd >= length()) { 2239 return tokenEnd; 2240 } 2241 char atEnd = getText().toString().charAt(tokenEnd); 2242 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2243 tokenEnd++; 2244 } 2245 // This token had not only an end token character, but also a space 2246 // separating it from the next token. 2247 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2248 tokenEnd++; 2249 } 2250 return tokenEnd; 2251 } 2252 2253 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2254 private RecipientChip createFreeChip(RecipientEntry entry) { 2255 try { 2256 if (mNoChips) { 2257 return null; 2258 } 2259 return constructChipSpan(entry, -1, false); 2260 } catch (NullPointerException e) { 2261 Log.e(TAG, e.getMessage(), e); 2262 return null; 2263 } 2264 } 2265 2266 @Override 2267 protected Void doInBackground(Void... params) { 2268 if (mIndividualReplacements != null) { 2269 mIndividualReplacements.cancel(true); 2270 } 2271 // For each chip in the list, look up the matching contact. 2272 // If there is a match, replace that chip with the matching 2273 // chip. 2274 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2275 RecipientChip[] existingChips = getSortedRecipients(); 2276 for (int i = 0; i < existingChips.length; i++) { 2277 originalRecipients.add(existingChips[i]); 2278 } 2279 if (mRemovedSpans != null) { 2280 originalRecipients.addAll(mRemovedSpans); 2281 } 2282 String[] addresses = new String[originalRecipients.size()]; 2283 RecipientChip chip; 2284 for (int i = 0; i < originalRecipients.size(); i++) { 2285 chip = originalRecipients.get(i); 2286 if (chip != null) { 2287 addresses[i] = createAddressText(chip.getEntry()); 2288 } 2289 } 2290 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2291 .getMatchingRecipients(getContext(), addresses); 2292 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2293 for (final RecipientChip temp : originalRecipients) { 2294 RecipientEntry entry = null; 2295 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2296 && getSpannable().getSpanStart(temp) != -1) { 2297 // Replace this. 2298 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2299 .getDestination()))); 2300 } 2301 if (entry != null) { 2302 replacements.add(createFreeChip(entry)); 2303 } else { 2304 replacements.add(temp); 2305 } 2306 } 2307 if (replacements != null && replacements.size() > 0) { 2308 mHandler.post(new Runnable() { 2309 @Override 2310 public void run() { 2311 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2312 .toString()); 2313 Editable oldText = getText(); 2314 int start, end; 2315 int i = 0; 2316 for (RecipientChip chip : originalRecipients) { 2317 start = oldText.getSpanStart(chip); 2318 if (start != -1) { 2319 end = oldText.getSpanEnd(chip); 2320 oldText.removeSpan(chip); 2321 // Leave a spot for the space! 2322 RecipientChip replacement = replacements.get(i); 2323 text.setSpan(replacement, start, end, 2324 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2325 replacement.setOriginalText(text.toString().substring(start, end)); 2326 } 2327 i++; 2328 } 2329 originalRecipients.clear(); 2330 setText(text); 2331 } 2332 }); 2333 } 2334 return null; 2335 } 2336 } 2337 2338 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2339 @SuppressWarnings("unchecked") 2340 @Override 2341 protected Void doInBackground(Object... params) { 2342 // For each chip in the list, look up the matching contact. 2343 // If there is a match, replace that chip with the matching 2344 // chip. 2345 final ArrayList<RecipientChip> originalRecipients = 2346 (ArrayList<RecipientChip>) params[0]; 2347 String[] addresses = new String[originalRecipients.size()]; 2348 RecipientChip chip; 2349 for (int i = 0; i < originalRecipients.size(); i++) { 2350 chip = originalRecipients.get(i); 2351 if (chip != null) { 2352 addresses[i] = createAddressText(chip.getEntry()); 2353 } 2354 } 2355 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2356 .getMatchingRecipients(getContext(), addresses); 2357 for (final RecipientChip temp : originalRecipients) { 2358 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2359 && getSpannable().getSpanStart(temp) != -1) { 2360 // Replace this. 2361 final RecipientEntry entry = createValidatedEntry(entries 2362 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2363 if (entry != null) { 2364 mHandler.post(new Runnable() { 2365 @Override 2366 public void run() { 2367 replaceChip(temp, entry); 2368 } 2369 }); 2370 } 2371 } 2372 } 2373 return null; 2374 } 2375 } 2376 2377 2378 /** 2379 * MoreImageSpan is a simple class created for tracking the existence of a 2380 * more chip across activity restarts/ 2381 */ 2382 private class MoreImageSpan extends ImageSpan { 2383 public MoreImageSpan(Drawable b) { 2384 super(b); 2385 } 2386 } 2387 2388 @Override 2389 public boolean onDown(MotionEvent e) { 2390 return false; 2391 } 2392 2393 @Override 2394 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2395 // Do nothing. 2396 return false; 2397 } 2398 2399 @Override 2400 public void onLongPress(MotionEvent event) { 2401 if (mSelectedChip != null) { 2402 return; 2403 } 2404 float x = event.getX(); 2405 float y = event.getY(); 2406 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2407 RecipientChip currentChip = findChip(offset); 2408 if (currentChip != null) { 2409 if (mDragEnabled) { 2410 // Start drag-and-drop for the selected chip. 2411 startDrag(currentChip); 2412 } else { 2413 // Copy the selected chip email address. 2414 showCopyDialog(currentChip.getEntry().getDestination()); 2415 } 2416 } 2417 } 2418 2419 /** 2420 * Enables drag-and-drop for chips. 2421 */ 2422 public void enableDrag() { 2423 mDragEnabled = true; 2424 } 2425 2426 /** 2427 * Starts drag-and-drop for the selected chip. 2428 */ 2429 private void startDrag(RecipientChip currentChip) { 2430 String address = currentChip.getEntry().getDestination(); 2431 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2432 2433 // Start drag mode. 2434 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2435 2436 // Remove the current chip, so drag-and-drop will result in a move. 2437 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2438 removeChip(currentChip); 2439 } 2440 2441 /** 2442 * Handles drag event. 2443 */ 2444 @Override 2445 public boolean onDragEvent(DragEvent event) { 2446 switch (event.getAction()) { 2447 case DragEvent.ACTION_DRAG_STARTED: 2448 // Only handle plain text drag and drop. 2449 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2450 case DragEvent.ACTION_DRAG_ENTERED: 2451 requestFocus(); 2452 return true; 2453 case DragEvent.ACTION_DROP: 2454 handlePasteClip(event.getClipData()); 2455 return true; 2456 } 2457 return false; 2458 } 2459 2460 /** 2461 * Drag shadow for a {@link RecipientChip}. 2462 */ 2463 private final class RecipientChipShadow extends DragShadowBuilder { 2464 private final RecipientChip mChip; 2465 2466 public RecipientChipShadow(RecipientChip chip) { 2467 mChip = chip; 2468 } 2469 2470 @Override 2471 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2472 Rect rect = mChip.getDrawable().getBounds(); 2473 shadowSize.set(rect.width(), rect.height()); 2474 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2475 } 2476 2477 @Override 2478 public void onDrawShadow(Canvas canvas) { 2479 mChip.getDrawable().draw(canvas); 2480 } 2481 } 2482 2483 private void showCopyDialog(final String address) { 2484 mCopyAddress = address; 2485 mCopyDialog.setTitle(address); 2486 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2487 mCopyDialog.setCancelable(true); 2488 mCopyDialog.setCanceledOnTouchOutside(true); 2489 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2490 button.setOnClickListener(this); 2491 int btnTitleId; 2492 if (((BaseRecipientAdapter)getAdapter()).getQueryType() == 2493 BaseRecipientAdapter.QUERY_TYPE_PHONE) { 2494 btnTitleId = R.string.copy_number; 2495 } else { 2496 btnTitleId = R.string.copy_email; 2497 } 2498 String buttonTitle = getContext().getResources().getString(btnTitleId); 2499 button.setText(buttonTitle); 2500 mCopyDialog.setOnDismissListener(this); 2501 mCopyDialog.show(); 2502 } 2503 2504 @Override 2505 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2506 // Do nothing. 2507 return false; 2508 } 2509 2510 @Override 2511 public void onShowPress(MotionEvent e) { 2512 // Do nothing. 2513 } 2514 2515 @Override 2516 public boolean onSingleTapUp(MotionEvent e) { 2517 // Do nothing. 2518 return false; 2519 } 2520 2521 @Override 2522 public void onDismiss(DialogInterface dialog) { 2523 mCopyAddress = null; 2524 } 2525 2526 @Override 2527 public void onClick(View v) { 2528 // Copy this to the clipboard. 2529 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2530 Context.CLIPBOARD_SERVICE); 2531 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2532 mCopyDialog.dismiss(); 2533 } 2534} 2535