RecipientEditTextView.java revision ffd270a55d80db66bd6a1d7b786443fdc00af372
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 float mLineSpacingExtra; 136 137 private int mChipPadding; 138 139 private Tokenizer mTokenizer; 140 141 private Validator mValidator; 142 143 private RecipientChip mSelectedChip; 144 145 private int mAlternatesLayout; 146 147 private Bitmap mDefaultContactPhoto; 148 149 private ImageSpan mMoreChip; 150 151 private TextView mMoreItem; 152 153 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 154 155 private Handler mHandler; 156 157 private int mPendingChipsCount = 0; 158 159 private boolean mNoChips = false; 160 161 private ListPopupWindow mAlternatesPopup; 162 163 private ListPopupWindow mAddressPopup; 164 165 private ArrayList<RecipientChip> mTemporaryRecipients; 166 167 private ArrayList<RecipientChip> mRemovedSpans; 168 169 private boolean mShouldShrink = true; 170 171 // Chip copy fields. 172 private GestureDetector mGestureDetector; 173 174 private Dialog mCopyDialog; 175 176 private String mCopyAddress; 177 178 /** 179 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 180 * selected chip. 181 */ 182 private OnItemClickListener mAlternatesListener; 183 184 private int mCheckedItem; 185 186 private TextWatcher mTextWatcher; 187 188 // Obtain the enclosing scroll view, if it exists, so that the view can be 189 // scrolled to show the last line of chips content. 190 private ScrollView mScrollView; 191 192 private boolean mTriedGettingScrollView; 193 194 private boolean mDragEnabled = false; 195 196 private final Runnable mAddTextWatcher = new Runnable() { 197 @Override 198 public void run() { 199 if (mTextWatcher == null) { 200 mTextWatcher = new RecipientTextWatcher(); 201 addTextChangedListener(mTextWatcher); 202 } 203 } 204 }; 205 206 private IndividualReplacementTask mIndividualReplacements; 207 208 private Runnable mHandlePendingChips = new Runnable() { 209 210 @Override 211 public void run() { 212 handlePendingChips(); 213 } 214 215 }; 216 217 private Runnable mDelayedShrink = new Runnable() { 218 219 @Override 220 public void run() { 221 shrink(); 222 } 223 224 }; 225 226 public RecipientEditTextView(Context context, AttributeSet attrs) { 227 super(context, attrs); 228 setChipDimensions(context, attrs); 229 if (sSelectedTextColor == -1) { 230 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 231 } 232 mAlternatesPopup = new ListPopupWindow(context); 233 mAlternatesPopup.setOnDismissListener(this); 234 mAddressPopup = new ListPopupWindow(context); 235 mAddressPopup.setOnDismissListener(this); 236 mCopyDialog = new Dialog(context); 237 mAlternatesListener = new OnItemClickListener() { 238 @Override 239 public void onItemClick(AdapterView<?> adapterView,View view, int position, 240 long rowId) { 241 mAlternatesPopup.setOnItemClickListener(null); 242 setEnabled(true); 243 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 244 .getRecipientEntry(position)); 245 Message delayed = Message.obtain(mHandler, DISMISS); 246 delayed.obj = mAlternatesPopup; 247 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 248 clearComposingText(); 249 } 250 }; 251 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 252 setOnItemClickListener(this); 253 setCustomSelectionActionModeCallback(this); 254 mHandler = new Handler() { 255 @Override 256 public void handleMessage(Message msg) { 257 if (msg.what == DISMISS) { 258 ((ListPopupWindow) msg.obj).dismiss(); 259 return; 260 } 261 super.handleMessage(msg); 262 } 263 }; 264 mTextWatcher = new RecipientTextWatcher(); 265 addTextChangedListener(mTextWatcher); 266 mGestureDetector = new GestureDetector(context, this); 267 setOnEditorActionListener(this); 268 } 269 270 @Override 271 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 272 if (action == EditorInfo.IME_ACTION_DONE) { 273 if (commitDefault()) { 274 return true; 275 } 276 if (mSelectedChip != null) { 277 clearSelectedChip(); 278 return true; 279 } else if (focusNext()) { 280 return true; 281 } 282 } 283 return false; 284 } 285 286 @Override 287 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 288 InputConnection connection = super.onCreateInputConnection(outAttrs); 289 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 290 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 291 // clear the existing action 292 outAttrs.imeOptions ^= imeActions; 293 // set the DONE action 294 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 295 } 296 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 297 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 298 } 299 outAttrs.actionLabel = getContext().getString(R.string.done); 300 return connection; 301 } 302 303 /*package*/ RecipientChip getLastChip() { 304 RecipientChip last = null; 305 RecipientChip[] chips = getSortedRecipients(); 306 if (chips != null && chips.length > 0) { 307 last = chips[chips.length - 1]; 308 } 309 return last; 310 } 311 312 @Override 313 public void onSelectionChanged(int start, int end) { 314 // When selection changes, see if it is inside the chips area. 315 // If so, move the cursor back after the chips again. 316 RecipientChip last = getLastChip(); 317 if (last != null && start < getSpannable().getSpanEnd(last)) { 318 // Grab the last chip and set the cursor to after it. 319 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 320 } 321 super.onSelectionChanged(start, end); 322 } 323 324 @Override 325 public void onRestoreInstanceState(Parcelable state) { 326 if (!TextUtils.isEmpty(getText())) { 327 super.onRestoreInstanceState(null); 328 } else { 329 super.onRestoreInstanceState(state); 330 } 331 } 332 333 @Override 334 public Parcelable onSaveInstanceState() { 335 // If the user changes orientation while they are editing, just roll back the selection. 336 clearSelectedChip(); 337 return super.onSaveInstanceState(); 338 } 339 340 /** 341 * Convenience method: Append the specified text slice to the TextView's 342 * display buffer, upgrading it to BufferType.EDITABLE if it was 343 * not already editable. Commas are excluded as they are added automatically 344 * by the view. 345 */ 346 @Override 347 public void append(CharSequence text, int start, int end) { 348 // We don't care about watching text changes while appending. 349 if (mTextWatcher != null) { 350 removeTextChangedListener(mTextWatcher); 351 } 352 super.append(text, start, end); 353 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 354 final String displayString = text.toString(); 355 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 356 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 357 && TextUtils.getTrimmedLength(displayString) > 0) { 358 mPendingChipsCount++; 359 mPendingChips.add(text.toString()); 360 } 361 } 362 // Put a message on the queue to make sure we ALWAYS handle pending chips. 363 if (mPendingChipsCount > 0) { 364 postHandlePendingChips(); 365 } 366 mHandler.post(mAddTextWatcher); 367 } 368 369 @Override 370 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 371 super.onFocusChanged(hasFocus, direction, previous); 372 if (!hasFocus) { 373 shrink(); 374 } else { 375 expand(); 376 } 377 } 378 379 @Override 380 public void performValidation() { 381 // Do nothing. Chips handles its own validation. 382 } 383 384 private void shrink() { 385 if (mTokenizer == null) { 386 return; 387 } 388 if (mSelectedChip != null 389 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 390 clearSelectedChip(); 391 } else { 392 if (getWidth() <= 0) { 393 // We don't have the width yet which means the view hasn't been drawn yet 394 // and there is no reason to attempt to commit chips yet. 395 // This focus lost must be the result of an orientation change 396 // or an initial rendering. 397 // Re-post the shrink for later. 398 mHandler.removeCallbacks(mDelayedShrink); 399 mHandler.post(mDelayedShrink); 400 return; 401 } 402 // Reset any pending chips as they would have been handled 403 // when the field lost focus. 404 if (mPendingChipsCount > 0) { 405 postHandlePendingChips(); 406 } else { 407 Editable editable = getText(); 408 int end = getSelectionEnd(); 409 int start = mTokenizer.findTokenStart(editable, end); 410 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 411 if ((chips == null || chips.length == 0)) { 412 Editable text = getText(); 413 int whatEnd = mTokenizer.findTokenEnd(text, start); 414 // This token was already tokenized, so skip past the ending token. 415 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 416 whatEnd++; 417 } 418 // In the middle of chip; treat this as an edit 419 // and commit the whole token. 420 int selEnd = getSelectionEnd(); 421 if (whatEnd != selEnd) { 422 handleEdit(start, whatEnd); 423 } else { 424 commitChip(start, end, editable); 425 } 426 } 427 } 428 mHandler.post(mAddTextWatcher); 429 } 430 createMoreChip(); 431 } 432 433 private void expand() { 434 removeMoreChip(); 435 setCursorVisible(true); 436 Editable text = getText(); 437 setSelection(text != null && text.length() > 0 ? text.length() : 0); 438 // If there are any temporary chips, try replacing them now that the user 439 // has expanded the field. 440 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 441 new RecipientReplacementTask().execute(); 442 mTemporaryRecipients = null; 443 } 444 } 445 446 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 447 paint.setTextSize(mChipFontSize); 448 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 449 Log.d(TAG, "Max width is negative: " + maxWidth); 450 } 451 return TextUtils.ellipsize(text, paint, maxWidth, 452 TextUtils.TruncateAt.END); 453 } 454 455 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 456 // Ellipsize the text so that it takes AT MOST the entire width of the 457 // autocomplete text entry area. Make sure to leave space for padding 458 // on the sides. 459 int height = (int) mChipHeight; 460 int deleteWidth = height; 461 float[] widths = new float[1]; 462 paint.getTextWidths(" ", widths); 463 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 464 calculateAvailableWidth(true) - deleteWidth - widths[0]); 465 466 // Make sure there is a minimum chip width so the user can ALWAYS 467 // tap a chip without difficulty. 468 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 469 ellipsizedText.length())) 470 + (mChipPadding * 2) + deleteWidth); 471 472 // Create the background of the chip. 473 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 474 Canvas canvas = new Canvas(tmpBitmap); 475 if (mChipBackgroundPressed != null) { 476 mChipBackgroundPressed.setBounds(0, 0, width, height); 477 mChipBackgroundPressed.draw(canvas); 478 paint.setColor(sSelectedTextColor); 479 // Vertically center the text in the chip. 480 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 481 getTextYOffset((String) ellipsizedText, paint, height), paint); 482 // Make the delete a square. 483 Rect backgroundPadding = new Rect(); 484 mChipBackgroundPressed.getPadding(backgroundPadding); 485 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 486 0 + backgroundPadding.top, 487 width - backgroundPadding.right, 488 height - backgroundPadding.bottom); 489 mChipDelete.draw(canvas); 490 } else { 491 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 492 } 493 return tmpBitmap; 494 } 495 496 497 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 498 // Ellipsize the text so that it takes AT MOST the entire width of the 499 // autocomplete text entry area. Make sure to leave space for padding 500 // on the sides. 501 int height = (int) mChipHeight; 502 int iconWidth = height; 503 float[] widths = new float[1]; 504 paint.getTextWidths(" ", widths); 505 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 506 calculateAvailableWidth(false) - iconWidth - widths[0]); 507 // Make sure there is a minimum chip width so the user can ALWAYS 508 // tap a chip without difficulty. 509 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 510 ellipsizedText.length())) 511 + (mChipPadding * 2) + iconWidth); 512 513 // Create the background of the chip. 514 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 515 Canvas canvas = new Canvas(tmpBitmap); 516 Drawable background = getChipBackground(contact); 517 if (background != null) { 518 background.setBounds(0, 0, width, height); 519 background.draw(canvas); 520 521 // Don't draw photos for recipients that have been typed in. 522 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 523 byte[] photoBytes = contact.getPhotoBytes(); 524 // There may not be a photo yet if anything but the first contact address 525 // was selected. 526 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 527 // TODO: cache this in the recipient entry? 528 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 529 .getPhotoThumbnailUri()); 530 photoBytes = contact.getPhotoBytes(); 531 } 532 533 Bitmap photo; 534 if (photoBytes != null) { 535 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 536 } else { 537 // TODO: can the scaled down default photo be cached? 538 photo = mDefaultContactPhoto; 539 } 540 // Draw the photo on the left side. 541 if (photo != null) { 542 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 543 Rect backgroundPadding = new Rect(); 544 mChipBackground.getPadding(backgroundPadding); 545 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 546 0 + backgroundPadding.top, 547 width - backgroundPadding.right, 548 height - backgroundPadding.bottom); 549 Matrix matrix = new Matrix(); 550 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 551 canvas.drawBitmap(photo, matrix, paint); 552 } 553 } else { 554 // Don't leave any space for the icon. It isn't being drawn. 555 iconWidth = 0; 556 } 557 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 558 // Vertically center the text in the chip. 559 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 560 getTextYOffset((String)ellipsizedText, paint, height), paint); 561 } else { 562 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 563 } 564 return tmpBitmap; 565 } 566 567 /** 568 * Get the background drawable for a RecipientChip. 569 */ 570 // Visible for testing. 571 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 572 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 573 mChipBackground : mInvalidChipBackground; 574 } 575 576 private float getTextYOffset(String text, TextPaint paint, int height) { 577 Rect bounds = new Rect(); 578 paint.getTextBounds(text, 0, text.length(), bounds); 579 int textHeight = bounds.bottom - bounds.top ; 580 return height - ((height - textHeight) / 2) - (int)paint.descent(); 581 } 582 583 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 584 throws NullPointerException { 585 if (mChipBackground == null) { 586 throw new NullPointerException( 587 "Unable to render any chips as setChipDimensions was not called."); 588 } 589 Layout layout = getLayout(); 590 591 TextPaint paint = getPaint(); 592 float defaultSize = paint.getTextSize(); 593 int defaultColor = paint.getColor(); 594 595 Bitmap tmpBitmap; 596 if (pressed) { 597 tmpBitmap = createSelectedChip(contact, paint, layout); 598 599 } else { 600 tmpBitmap = createUnselectedChip(contact, paint, layout); 601 } 602 603 // Pass the full text, un-ellipsized, to the chip. 604 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 605 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 606 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 607 // Return text to the original size. 608 paint.setTextSize(defaultSize); 609 paint.setColor(defaultColor); 610 return recipientChip; 611 } 612 613 /** 614 * Calculate the bottom of the line the chip will be located on using: 615 * 1) which line the chip appears on 616 * 2) the height of a chip 617 * 3) padding built into the edit text view 618 */ 619 private int calculateOffsetFromBottom(int line) { 620 // Line offsets start at zero. 621 int actualLine = getLineCount() - (line + 1); 622 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 623 + getDropDownVerticalOffset(); 624 } 625 626 /** 627 * Get the max amount of space a chip can take up. The formula takes into 628 * account the width of the EditTextView, any view padding, and padding 629 * that will be added to the chip. 630 */ 631 private float calculateAvailableWidth(boolean pressed) { 632 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 633 } 634 635 636 private void setChipDimensions(Context context, AttributeSet attrs) { 637 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 638 0); 639 Resources r = getContext().getResources(); 640 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 641 if (mChipBackground == null) { 642 mChipBackground = r.getDrawable(R.drawable.chip_background); 643 } 644 mChipBackgroundPressed = a 645 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 646 if (mChipBackgroundPressed == null) { 647 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 648 } 649 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 650 if (mChipDelete == null) { 651 mChipDelete = r.getDrawable(R.drawable.chip_delete); 652 } 653 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 654 if (mChipPadding == -1) { 655 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 656 } 657 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 658 -1); 659 if (mAlternatesLayout == -1) { 660 mAlternatesLayout = R.layout.chips_alternate_item; 661 } 662 663 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 664 665 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 666 667 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 668 if (mChipHeight == -1) { 669 mChipHeight = r.getDimension(R.dimen.chip_height); 670 } 671 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 672 if (mChipFontSize == -1) { 673 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 674 } 675 mInvalidChipBackground = a 676 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 677 if (mInvalidChipBackground == null) { 678 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 679 } 680 mLineSpacingExtra = context.getResources().getDimension(R.dimen.line_spacing_extra); 681 a.recycle(); 682 } 683 684 // Visible for testing. 685 /* package */ void setMoreItem(TextView moreItem) { 686 mMoreItem = moreItem; 687 } 688 689 690 // Visible for testing. 691 /* package */ void setChipBackground(Drawable chipBackground) { 692 mChipBackground = chipBackground; 693 } 694 695 // Visible for testing. 696 /* package */ void setChipHeight(int height) { 697 mChipHeight = height; 698 } 699 700 /** 701 * Set whether to shrink the recipients field such that at most 702 * one line of recipients chips are shown when the field loses 703 * focus. By default, the number of displayed recipients will be 704 * limited and a "more" chip will be shown when focus is lost. 705 * @param shrink 706 */ 707 public void setOnFocusListShrinkRecipients(boolean shrink) { 708 mShouldShrink = shrink; 709 } 710 711 @Override 712 public void onSizeChanged(int width, int height, int oldw, int oldh) { 713 super.onSizeChanged(width, height, oldw, oldh); 714 if (width != 0 && height != 0) { 715 if (mPendingChipsCount > 0) { 716 postHandlePendingChips(); 717 } else { 718 checkChipWidths(); 719 } 720 } 721 // Try to find the scroll view parent, if it exists. 722 if (mScrollView == null && !mTriedGettingScrollView) { 723 ViewParent parent = getParent(); 724 while (parent != null && !(parent instanceof ScrollView)) { 725 parent = parent.getParent(); 726 } 727 if (parent != null) { 728 mScrollView = (ScrollView) parent; 729 } 730 mTriedGettingScrollView = true; 731 } 732 } 733 734 private void postHandlePendingChips() { 735 mHandler.removeCallbacks(mHandlePendingChips); 736 mHandler.post(mHandlePendingChips); 737 } 738 739 private void checkChipWidths() { 740 // Check the widths of the associated chips. 741 RecipientChip[] chips = getSortedRecipients(); 742 if (chips != null) { 743 Rect bounds; 744 for (RecipientChip chip : chips) { 745 bounds = chip.getDrawable().getBounds(); 746 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 747 // Need to redraw that chip. 748 replaceChip(chip, chip.getEntry()); 749 } 750 } 751 } 752 } 753 754 // Visible for testing. 755 /*package*/ void handlePendingChips() { 756 if (getViewWidth() <= 0) { 757 // The widget has not been sized yet. 758 // This will be called as a result of onSizeChanged 759 // at a later point. 760 return; 761 } 762 if (mPendingChipsCount <= 0) { 763 return; 764 } 765 766 synchronized (mPendingChips) { 767 Editable editable = getText(); 768 // Tokenize! 769 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 770 for (int i = 0; i < mPendingChips.size(); i++) { 771 String current = mPendingChips.get(i); 772 int tokenStart = editable.toString().indexOf(current); 773 int tokenEnd = tokenStart + current.length(); 774 if (tokenStart >= 0) { 775 // When we have a valid token, include it with the token 776 // to the left. 777 if (tokenEnd < editable.length() - 2 778 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 779 tokenEnd++; 780 } 781 createReplacementChip(tokenStart, tokenEnd, editable); 782 } 783 mPendingChipsCount--; 784 } 785 sanitizeEnd(); 786 } else { 787 mNoChips = true; 788 } 789 790 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 791 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 792 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 793 new RecipientReplacementTask().execute(); 794 mTemporaryRecipients = null; 795 } else { 796 // Create the "more" chip 797 mIndividualReplacements = new IndividualReplacementTask(); 798 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 799 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 800 801 createMoreChip(); 802 } 803 } else { 804 // There are too many recipients to look up, so just fall back 805 // to showing addresses for all of them. 806 mTemporaryRecipients = null; 807 createMoreChip(); 808 } 809 mPendingChipsCount = 0; 810 mPendingChips.clear(); 811 } 812 } 813 814 // Visible for testing. 815 /*package*/ int getViewWidth() { 816 return getWidth(); 817 } 818 819 /** 820 * Remove any characters after the last valid chip. 821 */ 822 // Visible for testing. 823 /*package*/ void sanitizeEnd() { 824 // Don't sanitize while we are waiting for pending chips to complete. 825 if (mPendingChipsCount > 0) { 826 return; 827 } 828 // Find the last chip; eliminate any commit characters after it. 829 RecipientChip[] chips = getSortedRecipients(); 830 if (chips != null && chips.length > 0) { 831 int end; 832 ImageSpan lastSpan; 833 mMoreChip = getMoreChip(); 834 if (mMoreChip != null) { 835 lastSpan = mMoreChip; 836 } else { 837 lastSpan = getLastChip(); 838 } 839 end = getSpannable().getSpanEnd(lastSpan); 840 Editable editable = getText(); 841 int length = editable.length(); 842 if (length > end) { 843 // See what characters occur after that and eliminate them. 844 if (Log.isLoggable(TAG, Log.DEBUG)) { 845 Log.d(TAG, "There were extra characters after the last tokenizable entry." 846 + editable); 847 } 848 editable.delete(end + 1, length); 849 } 850 } 851 } 852 853 /** 854 * Create a chip that represents just the email address of a recipient. At some later 855 * point, this chip will be attached to a real contact entry, if one exists. 856 */ 857 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 858 if (alreadyHasChip(tokenStart, tokenEnd)) { 859 // There is already a chip present at this location. 860 // Don't recreate it. 861 return; 862 } 863 String token = editable.toString().substring(tokenStart, tokenEnd); 864 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 865 if (commitCharIndex == token.length() - 1) { 866 token = token.substring(0, token.length() - 1); 867 } 868 RecipientEntry entry = createTokenizedEntry(token); 869 if (entry != null) { 870 String destText = createAddressText(entry); 871 // Always leave a blank space at the end of a chip. 872 int textLength = destText.length() - 1; 873 SpannableString chipText = new SpannableString(destText); 874 int end = getSelectionEnd(); 875 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 876 RecipientChip chip = null; 877 try { 878 if (!mNoChips) { 879 chip = constructChipSpan(entry, start, false); 880 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 881 } 882 } catch (NullPointerException e) { 883 Log.e(TAG, e.getMessage(), e); 884 } 885 editable.replace(tokenStart, tokenEnd, chipText); 886 // Add this chip to the list of entries "to replace" 887 if (chip != null) { 888 if (mTemporaryRecipients == null) { 889 mTemporaryRecipients = new ArrayList<RecipientChip>(); 890 } 891 chip.setOriginalText(chipText.toString()); 892 mTemporaryRecipients.add(chip); 893 } 894 } 895 } 896 897 private static boolean isPhoneNumber(String number) { 898 // TODO: replace this function with libphonenumber's isPossibleNumber (see 899 // PhoneNumberUtil). One complication is that it requires the sender's region which 900 // comes from the CurrentCountryIso. For now, let's just do this simple match. 901 if (TextUtils.isEmpty(number)) { 902 return false; 903 } 904 905 Matcher match = Patterns.PHONE.matcher(number); 906 return match.matches(); 907 } 908 909 private RecipientEntry createTokenizedEntry(String token) { 910 if (TextUtils.isEmpty(token)) { 911 return null; 912 } 913 if (isPhoneQuery() && isPhoneNumber(token)) { 914 return RecipientEntry 915 .constructFakeEntry(token); 916 } 917 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 918 String display = null; 919 if (isValid(token) && tokens != null && tokens.length > 0) { 920 // If we can get a name from tokenizing, then generate an entry from 921 // this. 922 display = tokens[0].getName(); 923 if (!TextUtils.isEmpty(display)) { 924 return RecipientEntry.constructGeneratedEntry(display, token); 925 } else { 926 display = tokens[0].getAddress(); 927 if (!TextUtils.isEmpty(display)) { 928 return RecipientEntry.constructFakeEntry(display); 929 } 930 } 931 } 932 // Unable to validate the token or to create a valid token from it. 933 // Just create a chip the user can edit. 934 String validatedToken = null; 935 if (mValidator != null && !mValidator.isValid(token)) { 936 // Try fixing up the entry using the validator. 937 validatedToken = mValidator.fixText(token).toString(); 938 if (!TextUtils.isEmpty(validatedToken)) { 939 if (validatedToken.contains(token)) { 940 // protect against the case of a validator with a null domain, 941 // which doesn't add a domain to the token 942 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 943 if (tokenized.length > 0) { 944 validatedToken = tokenized[0].getAddress(); 945 } 946 } else { 947 // We ran into a case where the token was invalid and removed 948 // by the validator. In this case, just use the original token 949 // and let the user sort out the error chip. 950 validatedToken = null; 951 } 952 } 953 } 954 // Otherwise, fallback to just creating an editable email address chip. 955 return RecipientEntry 956 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 957 } 958 959 private boolean isValid(String text) { 960 return mValidator == null ? true : mValidator.isValid(text); 961 } 962 963 private String tokenizeAddress(String destination) { 964 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 965 if (tokens != null && tokens.length > 0) { 966 return tokens[0].getAddress(); 967 } 968 return destination; 969 } 970 971 @Override 972 public void setTokenizer(Tokenizer tokenizer) { 973 mTokenizer = tokenizer; 974 super.setTokenizer(mTokenizer); 975 } 976 977 @Override 978 public void setValidator(Validator validator) { 979 mValidator = validator; 980 super.setValidator(validator); 981 } 982 983 /** 984 * We cannot use the default mechanism for replaceText. Instead, 985 * we override onItemClickListener so we can get all the associated 986 * contact information including display text, address, and id. 987 */ 988 @Override 989 protected void replaceText(CharSequence text) { 990 return; 991 } 992 993 /** 994 * Dismiss any selected chips when the back key is pressed. 995 */ 996 @Override 997 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 998 if (keyCode == KeyEvent.KEYCODE_BACK) { 999 clearSelectedChip(); 1000 } 1001 return super.onKeyPreIme(keyCode, event); 1002 } 1003 1004 /** 1005 * Monitor key presses in this view to see if the user types 1006 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1007 * If the user has entered text that has contact matches and types 1008 * a commit key, create a chip from the topmost matching contact. 1009 * If the user has entered text that has no contact matches and types 1010 * a commit key, then create a chip from the text they have entered. 1011 */ 1012 @Override 1013 public boolean onKeyUp(int keyCode, KeyEvent event) { 1014 switch (keyCode) { 1015 case KeyEvent.KEYCODE_ENTER: 1016 case KeyEvent.KEYCODE_DPAD_CENTER: 1017 if (event.hasNoModifiers()) { 1018 if (commitDefault()) { 1019 return true; 1020 } 1021 if (mSelectedChip != null) { 1022 clearSelectedChip(); 1023 return true; 1024 } else if (focusNext()) { 1025 return true; 1026 } 1027 } 1028 break; 1029 case KeyEvent.KEYCODE_TAB: 1030 if (event.hasNoModifiers()) { 1031 if (mSelectedChip != null) { 1032 clearSelectedChip(); 1033 } else { 1034 commitDefault(); 1035 } 1036 if (focusNext()) { 1037 return true; 1038 } 1039 } 1040 } 1041 return super.onKeyUp(keyCode, event); 1042 } 1043 1044 private boolean focusNext() { 1045 View next = focusSearch(View.FOCUS_DOWN); 1046 if (next != null) { 1047 next.requestFocus(); 1048 return true; 1049 } 1050 return false; 1051 } 1052 1053 /** 1054 * Create a chip from the default selection. If the popup is showing, the 1055 * default is the first item in the popup suggestions list. Otherwise, it is 1056 * whatever the user had typed in. End represents where the the tokenizer 1057 * should search for a token to turn into a chip. 1058 * @return If a chip was created from a real contact. 1059 */ 1060 private boolean commitDefault() { 1061 // If there is no tokenizer, don't try to commit. 1062 if (mTokenizer == null) { 1063 return false; 1064 } 1065 Editable editable = getText(); 1066 int end = getSelectionEnd(); 1067 int start = mTokenizer.findTokenStart(editable, end); 1068 1069 if (shouldCreateChip(start, end)) { 1070 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1071 // In the middle of chip; treat this as an edit 1072 // and commit the whole token. 1073 if (whatEnd != getSelectionEnd()) { 1074 handleEdit(start, whatEnd); 1075 return true; 1076 } 1077 return commitChip(start, end , editable); 1078 } 1079 return false; 1080 } 1081 1082 private void commitByCharacter() { 1083 // We can't possibly commit by character if we can't tokenize. 1084 if (mTokenizer == null) { 1085 return; 1086 } 1087 Editable editable = getText(); 1088 int end = getSelectionEnd(); 1089 int start = mTokenizer.findTokenStart(editable, end); 1090 if (shouldCreateChip(start, end)) { 1091 commitChip(start, end, editable); 1092 } 1093 setSelection(getText().length()); 1094 } 1095 1096 private boolean commitChip(int start, int end, Editable editable) { 1097 ListAdapter adapter = getAdapter(); 1098 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1099 && end == getSelectionEnd() && !isPhoneQuery()) { 1100 // choose the first entry. 1101 submitItemAtPosition(0); 1102 dismissDropDown(); 1103 return true; 1104 } else { 1105 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1106 if (editable.length() > tokenEnd + 1) { 1107 char charAt = editable.charAt(tokenEnd + 1); 1108 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1109 tokenEnd++; 1110 } 1111 } 1112 String text = editable.toString().substring(start, tokenEnd).trim(); 1113 clearComposingText(); 1114 if (text != null && text.length() > 0 && !text.equals(" ")) { 1115 RecipientEntry entry = createTokenizedEntry(text); 1116 if (entry != null) { 1117 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1118 CharSequence chipText = createChip(entry, false); 1119 if (chipText != null && start > -1 && end > -1) { 1120 editable.replace(start, end, chipText); 1121 } 1122 } 1123 // Only dismiss the dropdown if it is related to the text we 1124 // just committed. 1125 // For paste, it may not be as there are possibly multiple 1126 // tokens being added. 1127 if (end == getSelectionEnd()) { 1128 dismissDropDown(); 1129 } 1130 sanitizeBetween(); 1131 return true; 1132 } 1133 } 1134 return false; 1135 } 1136 1137 // Visible for testing. 1138 /* package */ void sanitizeBetween() { 1139 // Don't sanitize while we are waiting for content to chipify. 1140 if (mPendingChipsCount > 0) { 1141 return; 1142 } 1143 // Find the last chip. 1144 RecipientChip[] recips = getSortedRecipients(); 1145 if (recips != null && recips.length > 0) { 1146 RecipientChip last = recips[recips.length - 1]; 1147 RecipientChip beforeLast = null; 1148 if (recips.length > 1) { 1149 beforeLast = recips[recips.length - 2]; 1150 } 1151 int startLooking = 0; 1152 int end = getSpannable().getSpanStart(last); 1153 if (beforeLast != null) { 1154 startLooking = getSpannable().getSpanEnd(beforeLast); 1155 Editable text = getText(); 1156 if (startLooking == -1 || startLooking > text.length() - 1) { 1157 // There is nothing after this chip. 1158 return; 1159 } 1160 if (text.charAt(startLooking) == ' ') { 1161 startLooking++; 1162 } 1163 } 1164 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1165 getText().delete(startLooking, end); 1166 } 1167 } 1168 } 1169 1170 private boolean shouldCreateChip(int start, int end) { 1171 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1172 } 1173 1174 private boolean alreadyHasChip(int start, int end) { 1175 if (mNoChips) { 1176 return true; 1177 } 1178 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1179 if ((chips == null || chips.length == 0)) { 1180 return false; 1181 } 1182 return true; 1183 } 1184 1185 private void handleEdit(int start, int end) { 1186 if (start == -1 || end == -1) { 1187 // This chip no longer exists in the field. 1188 dismissDropDown(); 1189 return; 1190 } 1191 // This is in the middle of a chip, so select out the whole chip 1192 // and commit it. 1193 Editable editable = getText(); 1194 setSelection(end); 1195 String text = getText().toString().substring(start, end); 1196 if (!TextUtils.isEmpty(text)) { 1197 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1198 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1199 CharSequence chipText = createChip(entry, false); 1200 int selEnd = getSelectionEnd(); 1201 if (chipText != null && start > -1 && selEnd > -1) { 1202 editable.replace(start, selEnd, chipText); 1203 } 1204 } 1205 dismissDropDown(); 1206 } 1207 1208 /** 1209 * If there is a selected chip, delegate the key events 1210 * to the selected chip. 1211 */ 1212 @Override 1213 public boolean onKeyDown(int keyCode, KeyEvent event) { 1214 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1215 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1216 mAlternatesPopup.dismiss(); 1217 } 1218 removeChip(mSelectedChip); 1219 } 1220 1221 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1222 return true; 1223 } 1224 1225 return super.onKeyDown(keyCode, event); 1226 } 1227 1228 // Visible for testing. 1229 /* package */ Spannable getSpannable() { 1230 return getText(); 1231 } 1232 1233 private int getChipStart(RecipientChip chip) { 1234 return getSpannable().getSpanStart(chip); 1235 } 1236 1237 private int getChipEnd(RecipientChip chip) { 1238 return getSpannable().getSpanEnd(chip); 1239 } 1240 1241 /** 1242 * Instead of filtering on the entire contents of the edit box, 1243 * this subclass method filters on the range from 1244 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1245 * if the length of that range meets or exceeds {@link #getThreshold} 1246 * and makes sure that the range is not already a Chip. 1247 */ 1248 @Override 1249 protected void performFiltering(CharSequence text, int keyCode) { 1250 if (enoughToFilter() && !isCompletedToken(text)) { 1251 int end = getSelectionEnd(); 1252 int start = mTokenizer.findTokenStart(text, end); 1253 // If this is a RecipientChip, don't filter 1254 // on its contents. 1255 Spannable span = getSpannable(); 1256 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1257 if (chips != null && chips.length > 0) { 1258 return; 1259 } 1260 } 1261 super.performFiltering(text, keyCode); 1262 } 1263 1264 // Visible for testing. 1265 /*package*/ boolean isCompletedToken(CharSequence text) { 1266 if (TextUtils.isEmpty(text)) { 1267 return false; 1268 } 1269 // Check to see if this is a completed token before filtering. 1270 int end = text.length(); 1271 int start = mTokenizer.findTokenStart(text, end); 1272 String token = text.toString().substring(start, end).trim(); 1273 if (!TextUtils.isEmpty(token)) { 1274 char atEnd = token.charAt(token.length() - 1); 1275 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1276 } 1277 return false; 1278 } 1279 1280 private void clearSelectedChip() { 1281 if (mSelectedChip != null) { 1282 unselectChip(mSelectedChip); 1283 mSelectedChip = null; 1284 } 1285 setCursorVisible(true); 1286 } 1287 1288 /** 1289 * Monitor touch events in the RecipientEditTextView. 1290 * If the view does not have focus, any tap on the view 1291 * will just focus the view. If the view has focus, determine 1292 * if the touch target is a recipient chip. If it is and the chip 1293 * is not selected, select it and clear any other selected chips. 1294 * If it isn't, then select that chip. 1295 */ 1296 @Override 1297 public boolean onTouchEvent(MotionEvent event) { 1298 if (!isFocused()) { 1299 // Ignore any chip taps until this view is focused. 1300 return super.onTouchEvent(event); 1301 } 1302 boolean handled = super.onTouchEvent(event); 1303 int action = event.getAction(); 1304 boolean chipWasSelected = false; 1305 if (mSelectedChip == null) { 1306 mGestureDetector.onTouchEvent(event); 1307 } 1308 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1309 float x = event.getX(); 1310 float y = event.getY(); 1311 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1312 RecipientChip currentChip = findChip(offset); 1313 if (currentChip != null) { 1314 if (action == MotionEvent.ACTION_UP) { 1315 if (mSelectedChip != null && mSelectedChip != currentChip) { 1316 clearSelectedChip(); 1317 mSelectedChip = selectChip(currentChip); 1318 } else if (mSelectedChip == null) { 1319 setSelection(getText().length()); 1320 commitDefault(); 1321 mSelectedChip = selectChip(currentChip); 1322 } else { 1323 onClick(mSelectedChip, offset, x, y); 1324 } 1325 } 1326 chipWasSelected = true; 1327 handled = true; 1328 } else if (mSelectedChip != null 1329 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1330 chipWasSelected = true; 1331 } 1332 } 1333 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1334 clearSelectedChip(); 1335 } 1336 return handled; 1337 } 1338 1339 private void scrollLineIntoView(int line) { 1340 if (mScrollView != null) { 1341 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1342 } 1343 } 1344 1345 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1346 int width, Context context) { 1347 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1348 int bottom; 1349 if (line == getLineCount() -1) { 1350 bottom = 0; 1351 } else { 1352 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1353 - line))); 1354 } 1355 // Align the alternates popup with the left side of the View, 1356 // regardless of the position of the chip tapped. 1357 alternatesPopup.setWidth(width); 1358 setEnabled(false); 1359 alternatesPopup.setAnchorView(this); 1360 alternatesPopup.setVerticalOffset(bottom); 1361 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1362 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1363 // Clear the checked item. 1364 mCheckedItem = -1; 1365 alternatesPopup.show(); 1366 ListView listView = alternatesPopup.getListView(); 1367 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1368 // Checked item would be -1 if the adapter has not 1369 // loaded the view that should be checked yet. The 1370 // variable will be set correctly when onCheckedItemChanged 1371 // is called in a separate thread. 1372 if (mCheckedItem != -1) { 1373 listView.setItemChecked(mCheckedItem, true); 1374 mCheckedItem = -1; 1375 } 1376 } 1377 1378 // Dismiss listener for alterns and single address popup. 1379 @Override 1380 public void onDismiss() { 1381 setEnabled(true); 1382 } 1383 1384 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1385 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1386 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1387 } 1388 1389 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1390 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1391 .getEntry()); 1392 } 1393 1394 @Override 1395 public void onCheckedItemChanged(int position) { 1396 ListView listView = mAlternatesPopup.getListView(); 1397 if (listView != null && listView.getCheckedItemCount() == 0) { 1398 listView.setItemChecked(position, true); 1399 } 1400 mCheckedItem = position; 1401 } 1402 1403 // TODO: This algorithm will need a lot of tweaking after more people have used 1404 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1405 // what comes before the finger. 1406 private int putOffsetInRange(int o) { 1407 int offset = o; 1408 Editable text = getText(); 1409 int length = text.length(); 1410 // Remove whitespace from end to find "real end" 1411 int realLength = length; 1412 for (int i = length - 1; i >= 0; i--) { 1413 if (text.charAt(i) == ' ') { 1414 realLength--; 1415 } else { 1416 break; 1417 } 1418 } 1419 1420 // If the offset is beyond or at the end of the text, 1421 // leave it alone. 1422 if (offset >= realLength) { 1423 return offset; 1424 } 1425 Editable editable = getText(); 1426 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1427 // Keep walking backward! 1428 offset--; 1429 } 1430 return offset; 1431 } 1432 1433 private int findText(Editable text, int offset) { 1434 if (text.charAt(offset) != ' ') { 1435 return offset; 1436 } 1437 return -1; 1438 } 1439 1440 private RecipientChip findChip(int offset) { 1441 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1442 // Find the chip that contains this offset. 1443 for (int i = 0; i < chips.length; i++) { 1444 RecipientChip chip = chips[i]; 1445 int start = getChipStart(chip); 1446 int end = getChipEnd(chip); 1447 if (offset >= start && offset <= end) { 1448 return chip; 1449 } 1450 } 1451 return null; 1452 } 1453 1454 // Visible for testing. 1455 // Use this method to generate text to add to the list of addresses. 1456 /* package */String createAddressText(RecipientEntry entry) { 1457 String display = entry.getDisplayName(); 1458 String address = entry.getDestination(); 1459 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1460 display = null; 1461 } 1462 String trimmedDisplayText; 1463 if (isPhoneQuery() && isPhoneNumber(address)) { 1464 trimmedDisplayText = address.trim(); 1465 } else { 1466 if (address != null) { 1467 // Tokenize out the address in case the address already 1468 // contained the username as well. 1469 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1470 if (tokenized != null && tokenized.length > 0) { 1471 address = tokenized[0].getAddress(); 1472 } 1473 } 1474 Rfc822Token token = new Rfc822Token(display, address, null); 1475 trimmedDisplayText = token.toString().trim(); 1476 } 1477 int index = trimmedDisplayText.indexOf(","); 1478 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1479 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1480 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1481 } 1482 1483 // Visible for testing. 1484 // Use this method to generate text to display in a chip. 1485 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1486 String display = entry.getDisplayName(); 1487 String address = entry.getDestination(); 1488 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1489 display = null; 1490 } 1491 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1492 // Tokenize out the address in case the address already 1493 // contained the username as well. 1494 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1495 if (tokenized != null && tokenized.length > 0) { 1496 address = tokenized[0].getAddress(); 1497 } 1498 } 1499 if (!TextUtils.isEmpty(display)) { 1500 return display; 1501 } else if (!TextUtils.isEmpty(address)){ 1502 return address; 1503 } else { 1504 return new Rfc822Token(display, address, null).toString(); 1505 } 1506 } 1507 1508 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1509 String displayText = createAddressText(entry); 1510 if (TextUtils.isEmpty(displayText)) { 1511 return null; 1512 } 1513 SpannableString chipText = null; 1514 // Always leave a blank space at the end of a chip. 1515 int end = getSelectionEnd(); 1516 int start = mTokenizer.findTokenStart(getText(), end); 1517 int textLength = displayText.length()-1; 1518 chipText = new SpannableString(displayText); 1519 if (!mNoChips) { 1520 try { 1521 RecipientChip chip = constructChipSpan(entry, start, pressed); 1522 chipText.setSpan(chip, 0, textLength, 1523 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1524 chip.setOriginalText(chipText.toString()); 1525 } catch (NullPointerException e) { 1526 Log.e(TAG, e.getMessage(), e); 1527 return null; 1528 } 1529 } 1530 return chipText; 1531 } 1532 1533 /** 1534 * When an item in the suggestions list has been clicked, create a chip from the 1535 * contact information of the selected item. 1536 */ 1537 @Override 1538 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1539 submitItemAtPosition(position); 1540 } 1541 1542 private void submitItemAtPosition(int position) { 1543 RecipientEntry entry = createValidatedEntry( 1544 (RecipientEntry)getAdapter().getItem(position)); 1545 if (entry == null) { 1546 return; 1547 } 1548 clearComposingText(); 1549 1550 int end = getSelectionEnd(); 1551 int start = mTokenizer.findTokenStart(getText(), end); 1552 1553 Editable editable = getText(); 1554 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1555 CharSequence chip = createChip(entry, false); 1556 if (chip != null && start >= 0 && end >= 0) { 1557 editable.replace(start, end, chip); 1558 } 1559 sanitizeBetween(); 1560 } 1561 1562 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1563 if (item == null) { 1564 return null; 1565 } 1566 final RecipientEntry entry; 1567 // If the display name and the address are the same, or if this is a 1568 // valid contact, but the destination is invalid, then make this a fake 1569 // recipient that is editable. 1570 String destination = item.getDestination(); 1571 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1572 && (TextUtils.isEmpty(item.getDisplayName()) 1573 || TextUtils.equals(item.getDisplayName(), destination) 1574 || (mValidator != null && !mValidator.isValid(destination)))) { 1575 entry = RecipientEntry.constructFakeEntry(destination); 1576 } else { 1577 entry = item; 1578 } 1579 return entry; 1580 } 1581 1582 /** Returns a collection of contact Id for each chip inside this View. */ 1583 /* package */ Collection<Long> getContactIds() { 1584 final Set<Long> result = new HashSet<Long>(); 1585 RecipientChip[] chips = getSortedRecipients(); 1586 if (chips != null) { 1587 for (RecipientChip chip : chips) { 1588 result.add(chip.getContactId()); 1589 } 1590 } 1591 return result; 1592 } 1593 1594 1595 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1596 /* package */ Collection<Long> getDataIds() { 1597 final Set<Long> result = new HashSet<Long>(); 1598 RecipientChip [] chips = getSortedRecipients(); 1599 if (chips != null) { 1600 for (RecipientChip chip : chips) { 1601 result.add(chip.getDataId()); 1602 } 1603 } 1604 return result; 1605 } 1606 1607 // Visible for testing. 1608 /* package */RecipientChip[] getSortedRecipients() { 1609 RecipientChip[] recips = getSpannable() 1610 .getSpans(0, getText().length(), RecipientChip.class); 1611 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1612 .asList(recips)); 1613 final Spannable spannable = getSpannable(); 1614 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1615 1616 @Override 1617 public int compare(RecipientChip first, RecipientChip second) { 1618 int firstStart = spannable.getSpanStart(first); 1619 int secondStart = spannable.getSpanStart(second); 1620 if (firstStart < secondStart) { 1621 return -1; 1622 } else if (firstStart > secondStart) { 1623 return 1; 1624 } else { 1625 return 0; 1626 } 1627 } 1628 }); 1629 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1630 } 1631 1632 @Override 1633 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1634 return false; 1635 } 1636 1637 @Override 1638 public void onDestroyActionMode(ActionMode mode) { 1639 } 1640 1641 @Override 1642 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1643 return false; 1644 } 1645 1646 /** 1647 * No chips are selectable. 1648 */ 1649 @Override 1650 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1651 return false; 1652 } 1653 1654 // Visible for testing. 1655 /* package */ImageSpan getMoreChip() { 1656 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1657 MoreImageSpan.class); 1658 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1659 } 1660 1661 private MoreImageSpan createMoreSpan(int count) { 1662 String moreText = String.format(mMoreItem.getText().toString(), count); 1663 TextPaint morePaint = new TextPaint(getPaint()); 1664 morePaint.setTextSize(mMoreItem.getTextSize()); 1665 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1666 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1667 + mMoreItem.getPaddingRight(); 1668 int height = getLineHeight(); 1669 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1670 Canvas canvas = new Canvas(drawable); 1671 int adjustedHeight = height; 1672 Layout layout = getLayout(); 1673 if (layout != null) { 1674 adjustedHeight -= layout.getLineDescent(0); 1675 } 1676 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1677 1678 Drawable result = new BitmapDrawable(getResources(), drawable); 1679 result.setBounds(0, 0, width, height); 1680 return new MoreImageSpan(result); 1681 } 1682 1683 // Visible for testing. 1684 /*package*/ void createMoreChipPlainText() { 1685 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1686 Editable text = getText(); 1687 int start = 0; 1688 int end = start; 1689 for (int i = 0; i < CHIP_LIMIT; i++) { 1690 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1691 start = end; // move to the next token and get its end. 1692 } 1693 // Now, count total addresses. 1694 start = 0; 1695 int tokenCount = countTokens(text); 1696 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1697 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1698 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1699 text.replace(end, text.length(), chipText); 1700 mMoreChip = moreSpan; 1701 } 1702 1703 // Visible for testing. 1704 /* package */int countTokens(Editable text) { 1705 int tokenCount = 0; 1706 int start = 0; 1707 while (start < text.length()) { 1708 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1709 tokenCount++; 1710 if (start >= text.length()) { 1711 break; 1712 } 1713 } 1714 return tokenCount; 1715 } 1716 1717 /** 1718 * Create the more chip. The more chip is text that replaces any chips that 1719 * do not fit in the pre-defined available space when the 1720 * RecipientEditTextView loses focus. 1721 */ 1722 // Visible for testing. 1723 /* package */ void createMoreChip() { 1724 if (mNoChips) { 1725 createMoreChipPlainText(); 1726 return; 1727 } 1728 1729 if (!mShouldShrink) { 1730 return; 1731 } 1732 1733 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1734 if (tempMore.length > 0) { 1735 getSpannable().removeSpan(tempMore[0]); 1736 } 1737 RecipientChip[] recipients = getSortedRecipients(); 1738 1739 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1740 mMoreChip = null; 1741 return; 1742 } 1743 Spannable spannable = getSpannable(); 1744 int numRecipients = recipients.length; 1745 int overage = numRecipients - CHIP_LIMIT; 1746 MoreImageSpan moreSpan = createMoreSpan(overage); 1747 mRemovedSpans = new ArrayList<RecipientChip>(); 1748 int totalReplaceStart = 0; 1749 int totalReplaceEnd = 0; 1750 Editable text = getText(); 1751 for (int i = numRecipients - overage; i < recipients.length; i++) { 1752 mRemovedSpans.add(recipients[i]); 1753 if (i == numRecipients - overage) { 1754 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1755 } 1756 if (i == recipients.length - 1) { 1757 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1758 } 1759 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1760 int spanStart = spannable.getSpanStart(recipients[i]); 1761 int spanEnd = spannable.getSpanEnd(recipients[i]); 1762 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1763 } 1764 spannable.removeSpan(recipients[i]); 1765 } 1766 if (totalReplaceEnd < text.length()) { 1767 totalReplaceEnd = text.length(); 1768 } 1769 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1770 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1771 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1772 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1773 text.replace(start, end, chipText); 1774 mMoreChip = moreSpan; 1775 } 1776 1777 /** 1778 * Replace the more chip, if it exists, with all of the recipient chips it had 1779 * replaced when the RecipientEditTextView gains focus. 1780 */ 1781 // Visible for testing. 1782 /*package*/ void removeMoreChip() { 1783 if (mMoreChip != null) { 1784 Spannable span = getSpannable(); 1785 span.removeSpan(mMoreChip); 1786 mMoreChip = null; 1787 // Re-add the spans that were removed. 1788 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1789 // Recreate each removed span. 1790 RecipientChip[] recipients = getSortedRecipients(); 1791 // Start the search for tokens after the last currently visible 1792 // chip. 1793 if (recipients == null || recipients.length == 0) { 1794 return; 1795 } 1796 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1797 Editable editable = getText(); 1798 for (RecipientChip chip : mRemovedSpans) { 1799 int chipStart; 1800 int chipEnd; 1801 String token; 1802 // Need to find the location of the chip, again. 1803 token = (String) chip.getOriginalText(); 1804 // As we find the matching recipient for the remove spans, 1805 // reduce the size of the string we need to search. 1806 // That way, if there are duplicates, we always find the correct 1807 // recipient. 1808 chipStart = editable.toString().indexOf(token, end); 1809 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1810 // Only set the span if we found a matching token. 1811 if (chipStart != -1) { 1812 editable.setSpan(chip, chipStart, chipEnd, 1813 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1814 } 1815 } 1816 mRemovedSpans.clear(); 1817 } 1818 } 1819 } 1820 1821 /** 1822 * Show specified chip as selected. If the RecipientChip is just an email address, 1823 * selecting the chip will take the contents of the chip and place it at 1824 * the end of the RecipientEditTextView for inline editing. If the 1825 * RecipientChip is a complete contact, then selecting the chip 1826 * will change the background color of the chip, show the delete icon, 1827 * and a popup window with the address in use highlighted and any other 1828 * alternate addresses for the contact. 1829 * @param currentChip Chip to select. 1830 * @return A RecipientChip in the selected state or null if the chip 1831 * just contained an email address. 1832 */ 1833 private RecipientChip selectChip(RecipientChip currentChip) { 1834 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1835 CharSequence text = currentChip.getValue(); 1836 Editable editable = getText(); 1837 removeChip(currentChip); 1838 editable.append(text); 1839 setCursorVisible(true); 1840 setSelection(editable.length()); 1841 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1842 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1843 int start = getChipStart(currentChip); 1844 int end = getChipEnd(currentChip); 1845 getSpannable().removeSpan(currentChip); 1846 RecipientChip newChip; 1847 try { 1848 if (mNoChips) { 1849 return null; 1850 } 1851 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1852 } catch (NullPointerException e) { 1853 Log.e(TAG, e.getMessage(), e); 1854 return null; 1855 } 1856 Editable editable = getText(); 1857 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1858 if (start == -1 || end == -1) { 1859 Log.d(TAG, "The chip being selected no longer exists but should."); 1860 } else { 1861 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1862 } 1863 newChip.setSelected(true); 1864 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1865 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1866 } 1867 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1868 setCursorVisible(false); 1869 return newChip; 1870 } else { 1871 int start = getChipStart(currentChip); 1872 int end = getChipEnd(currentChip); 1873 getSpannable().removeSpan(currentChip); 1874 RecipientChip newChip; 1875 try { 1876 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1877 } catch (NullPointerException e) { 1878 Log.e(TAG, e.getMessage(), e); 1879 return null; 1880 } 1881 Editable editable = getText(); 1882 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1883 if (start == -1 || end == -1) { 1884 Log.d(TAG, "The chip being selected no longer exists but should."); 1885 } else { 1886 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1887 } 1888 newChip.setSelected(true); 1889 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1890 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1891 } 1892 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1893 setCursorVisible(false); 1894 return newChip; 1895 } 1896 } 1897 1898 1899 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1900 int width, Context context) { 1901 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1902 int bottom = calculateOffsetFromBottom(line); 1903 // Align the alternates popup with the left side of the View, 1904 // regardless of the position of the chip tapped. 1905 setEnabled(false); 1906 popup.setWidth(width); 1907 popup.setAnchorView(this); 1908 popup.setVerticalOffset(bottom); 1909 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1910 popup.setOnItemClickListener(new OnItemClickListener() { 1911 @Override 1912 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1913 unselectChip(currentChip); 1914 popup.dismiss(); 1915 } 1916 }); 1917 popup.show(); 1918 ListView listView = popup.getListView(); 1919 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1920 listView.setItemChecked(0, true); 1921 } 1922 1923 /** 1924 * Remove selection from this chip. Unselecting a RecipientChip will render 1925 * the chip without a delete icon and with an unfocused background. This is 1926 * called when the RecipientChip no longer has focus. 1927 */ 1928 private void unselectChip(RecipientChip chip) { 1929 int start = getChipStart(chip); 1930 int end = getChipEnd(chip); 1931 Editable editable = getText(); 1932 mSelectedChip = null; 1933 if (start == -1 || end == -1) { 1934 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1935 setSelection(editable.length()); 1936 commitDefault(); 1937 } else { 1938 getSpannable().removeSpan(chip); 1939 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1940 editable.removeSpan(chip); 1941 try { 1942 if (!mNoChips) { 1943 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1944 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1945 } 1946 } catch (NullPointerException e) { 1947 Log.e(TAG, e.getMessage(), e); 1948 } 1949 } 1950 setCursorVisible(true); 1951 setSelection(editable.length()); 1952 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1953 mAlternatesPopup.dismiss(); 1954 } 1955 } 1956 1957 /** 1958 * Return whether a touch event was inside the delete target of 1959 * a selected chip. It is in the delete target if: 1960 * 1) the x and y points of the event are within the 1961 * delete assset. 1962 * 2) the point tapped would have caused a cursor to appear 1963 * right after the selected chip. 1964 * @return boolean 1965 */ 1966 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1967 // Figure out the bounds of this chip and whether or not 1968 // the user clicked in the X portion. 1969 return chip.isSelected() && offset == getChipEnd(chip); 1970 } 1971 1972 /** 1973 * Remove the chip and any text associated with it from the RecipientEditTextView. 1974 */ 1975 // Visible for testing. 1976 /*pacakge*/ void removeChip(RecipientChip chip) { 1977 Spannable spannable = getSpannable(); 1978 int spanStart = spannable.getSpanStart(chip); 1979 int spanEnd = spannable.getSpanEnd(chip); 1980 Editable text = getText(); 1981 int toDelete = spanEnd; 1982 boolean wasSelected = chip == mSelectedChip; 1983 // Clear that there is a selected chip before updating any text. 1984 if (wasSelected) { 1985 mSelectedChip = null; 1986 } 1987 // Always remove trailing spaces when removing a chip. 1988 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1989 toDelete++; 1990 } 1991 spannable.removeSpan(chip); 1992 if (spanStart >= 0 && toDelete > 0) { 1993 text.delete(spanStart, toDelete); 1994 } 1995 if (wasSelected) { 1996 clearSelectedChip(); 1997 } 1998 } 1999 2000 /** 2001 * Replace this currently selected chip with a new chip 2002 * that uses the contact data provided. 2003 */ 2004 // Visible for testing. 2005 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2006 boolean wasSelected = chip == mSelectedChip; 2007 if (wasSelected) { 2008 mSelectedChip = null; 2009 } 2010 int start = getChipStart(chip); 2011 int end = getChipEnd(chip); 2012 getSpannable().removeSpan(chip); 2013 Editable editable = getText(); 2014 CharSequence chipText = createChip(entry, false); 2015 if (chipText != null) { 2016 if (start == -1 || end == -1) { 2017 Log.e(TAG, "The chip to replace does not exist but should."); 2018 editable.insert(0, chipText); 2019 } else { 2020 if (!TextUtils.isEmpty(chipText)) { 2021 // There may be a space to replace with this chip's new 2022 // associated 2023 // space. Check for it 2024 int toReplace = end; 2025 while (toReplace >= 0 && toReplace < editable.length() 2026 && editable.charAt(toReplace) == ' ') { 2027 toReplace++; 2028 } 2029 editable.replace(start, toReplace, chipText); 2030 } 2031 } 2032 } 2033 setCursorVisible(true); 2034 if (wasSelected) { 2035 clearSelectedChip(); 2036 } 2037 } 2038 2039 /** 2040 * Handle click events for a chip. When a selected chip receives a click 2041 * event, see if that event was in the delete icon. If so, delete it. 2042 * Otherwise, unselect the chip. 2043 */ 2044 public void onClick(RecipientChip chip, int offset, float x, float y) { 2045 if (chip.isSelected()) { 2046 if (isInDelete(chip, offset, x, y)) { 2047 removeChip(chip); 2048 } else { 2049 clearSelectedChip(); 2050 } 2051 } 2052 } 2053 2054 private boolean chipsPending() { 2055 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2056 } 2057 2058 @Override 2059 public void removeTextChangedListener(TextWatcher watcher) { 2060 mTextWatcher = null; 2061 super.removeTextChangedListener(watcher); 2062 } 2063 2064 private class RecipientTextWatcher implements TextWatcher { 2065 2066 @Override 2067 public void afterTextChanged(Editable s) { 2068 // If the text has been set to null or empty, make sure we remove 2069 // all the spans we applied. 2070 if (TextUtils.isEmpty(s)) { 2071 // Remove all the chips spans. 2072 Spannable spannable = getSpannable(); 2073 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2074 RecipientChip.class); 2075 for (RecipientChip chip : chips) { 2076 spannable.removeSpan(chip); 2077 } 2078 if (mMoreChip != null) { 2079 spannable.removeSpan(mMoreChip); 2080 } 2081 return; 2082 } 2083 // Get whether there are any recipients pending addition to the 2084 // view. If there are, don't do anything in the text watcher. 2085 if (chipsPending()) { 2086 return; 2087 } 2088 // If the user is editing a chip, don't clear it. 2089 if (mSelectedChip != null 2090 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2091 setCursorVisible(true); 2092 setSelection(getText().length()); 2093 clearSelectedChip(); 2094 } 2095 int length = s.length(); 2096 // Make sure there is content there to parse and that it is 2097 // not just the commit character. 2098 if (length > 1) { 2099 char last; 2100 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2101 int len = length() - 1; 2102 if (end != len) { 2103 last = s.charAt(end); 2104 } else { 2105 last = s.charAt(len); 2106 } 2107 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2108 commitByCharacter(); 2109 } else if (last == COMMIT_CHAR_SPACE) { 2110 if (!isPhoneQuery()) { 2111 // Check if this is a valid email address. If it is, 2112 // commit it. 2113 String text = getText().toString(); 2114 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2115 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2116 tokenStart)); 2117 if (!TextUtils.isEmpty(sub) && mValidator != null && 2118 mValidator.isValid(sub)) { 2119 commitByCharacter(); 2120 } 2121 } 2122 } 2123 } 2124 } 2125 2126 @Override 2127 public void onTextChanged(CharSequence s, int start, int before, int count) { 2128 // This is a delete; check to see if the insertion point is on a space 2129 // following a chip. 2130 if (before > count) { 2131 // If the item deleted is a space, and the thing before the 2132 // space is a chip, delete the entire span. 2133 int selStart = getSelectionStart(); 2134 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2135 RecipientChip.class); 2136 if (repl.length > 0) { 2137 // There is a chip there! Just remove it. 2138 Editable editable = getText(); 2139 // Add the separator token. 2140 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2141 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2142 tokenEnd = tokenEnd + 1; 2143 if (tokenEnd > editable.length()) { 2144 tokenEnd = editable.length(); 2145 } 2146 editable.delete(tokenStart, tokenEnd); 2147 getSpannable().removeSpan(repl[0]); 2148 } 2149 } else { 2150 scrollBottomIntoView(); 2151 } 2152 } 2153 2154 @Override 2155 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2156 // Do nothing. 2157 } 2158 } 2159 2160 private void scrollBottomIntoView() { 2161 if (mScrollView != null) { 2162 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2163 } 2164 } 2165 2166 /** 2167 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2168 */ 2169 private void handlePasteClip(ClipData clip) { 2170 removeTextChangedListener(mTextWatcher); 2171 2172 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2173 for (int i = 0; i < clip.getItemCount(); i++) { 2174 CharSequence paste = clip.getItemAt(i).getText(); 2175 if (paste != null) { 2176 int start = getSelectionStart(); 2177 int end = getSelectionEnd(); 2178 Editable editable = getText(); 2179 if (start >= 0 && end >= 0 && start != end) { 2180 editable.append(paste, start, end); 2181 } else { 2182 editable.insert(end, paste); 2183 } 2184 handlePasteAndReplace(); 2185 } 2186 } 2187 } 2188 2189 mHandler.post(mAddTextWatcher); 2190 } 2191 2192 @Override 2193 public boolean onTextContextMenuItem(int id) { 2194 if (id == android.R.id.paste) { 2195 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2196 Context.CLIPBOARD_SERVICE); 2197 handlePasteClip(clipboard.getPrimaryClip()); 2198 return true; 2199 } 2200 return super.onTextContextMenuItem(id); 2201 } 2202 2203 private void handlePasteAndReplace() { 2204 ArrayList<RecipientChip> created = handlePaste(); 2205 if (created != null && created.size() > 0) { 2206 // Perform reverse lookups on the pasted contacts. 2207 IndividualReplacementTask replace = new IndividualReplacementTask(); 2208 replace.execute(created); 2209 } 2210 } 2211 2212 // Visible for testing. 2213 /* package */ArrayList<RecipientChip> handlePaste() { 2214 String text = getText().toString(); 2215 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2216 String lastAddress = text.substring(originalTokenStart); 2217 int tokenStart = originalTokenStart; 2218 int prevTokenStart = tokenStart; 2219 RecipientChip findChip = null; 2220 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2221 if (tokenStart != 0) { 2222 // There are things before this! 2223 while (tokenStart != 0 && findChip == null) { 2224 prevTokenStart = tokenStart; 2225 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2226 findChip = findChip(tokenStart); 2227 } 2228 if (tokenStart != originalTokenStart) { 2229 if (findChip != null) { 2230 tokenStart = prevTokenStart; 2231 } 2232 int tokenEnd; 2233 RecipientChip createdChip; 2234 while (tokenStart < originalTokenStart) { 2235 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2236 commitChip(tokenStart, tokenEnd, getText()); 2237 createdChip = findChip(tokenStart); 2238 // +1 for the space at the end. 2239 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2240 created.add(createdChip); 2241 } 2242 } 2243 } 2244 // Take a look at the last token. If the token has been completed with a 2245 // commit character, create a chip. 2246 if (isCompletedToken(lastAddress)) { 2247 Editable editable = getText(); 2248 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2249 commitChip(tokenStart, editable.length(), editable); 2250 created.add(findChip(tokenStart)); 2251 } 2252 return created; 2253 } 2254 2255 // Visible for testing. 2256 /* package */int movePastTerminators(int tokenEnd) { 2257 if (tokenEnd >= length()) { 2258 return tokenEnd; 2259 } 2260 char atEnd = getText().toString().charAt(tokenEnd); 2261 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2262 tokenEnd++; 2263 } 2264 // This token had not only an end token character, but also a space 2265 // separating it from the next token. 2266 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2267 tokenEnd++; 2268 } 2269 return tokenEnd; 2270 } 2271 2272 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2273 private RecipientChip createFreeChip(RecipientEntry entry) { 2274 try { 2275 if (mNoChips) { 2276 return null; 2277 } 2278 return constructChipSpan(entry, -1, false); 2279 } catch (NullPointerException e) { 2280 Log.e(TAG, e.getMessage(), e); 2281 return null; 2282 } 2283 } 2284 2285 @Override 2286 protected Void doInBackground(Void... params) { 2287 if (mIndividualReplacements != null) { 2288 mIndividualReplacements.cancel(true); 2289 } 2290 // For each chip in the list, look up the matching contact. 2291 // If there is a match, replace that chip with the matching 2292 // chip. 2293 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2294 RecipientChip[] existingChips = getSortedRecipients(); 2295 for (int i = 0; i < existingChips.length; i++) { 2296 originalRecipients.add(existingChips[i]); 2297 } 2298 if (mRemovedSpans != null) { 2299 originalRecipients.addAll(mRemovedSpans); 2300 } 2301 String[] addresses = new String[originalRecipients.size()]; 2302 RecipientChip chip; 2303 for (int i = 0; i < originalRecipients.size(); i++) { 2304 chip = originalRecipients.get(i); 2305 if (chip != null) { 2306 addresses[i] = createAddressText(chip.getEntry()); 2307 } 2308 } 2309 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2310 .getMatchingRecipients(getContext(), addresses); 2311 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2312 for (final RecipientChip temp : originalRecipients) { 2313 RecipientEntry entry = null; 2314 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2315 && getSpannable().getSpanStart(temp) != -1) { 2316 // Replace this. 2317 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2318 .getDestination()))); 2319 } 2320 if (entry != null) { 2321 replacements.add(createFreeChip(entry)); 2322 } else { 2323 replacements.add(temp); 2324 } 2325 } 2326 if (replacements != null && replacements.size() > 0) { 2327 mHandler.post(new Runnable() { 2328 @Override 2329 public void run() { 2330 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2331 .toString()); 2332 Editable oldText = getText(); 2333 int start, end; 2334 int i = 0; 2335 for (RecipientChip chip : originalRecipients) { 2336 start = oldText.getSpanStart(chip); 2337 if (start != -1) { 2338 end = oldText.getSpanEnd(chip); 2339 oldText.removeSpan(chip); 2340 // Leave a spot for the space! 2341 RecipientChip replacement = replacements.get(i); 2342 text.setSpan(replacement, start, end, 2343 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2344 replacement.setOriginalText(text.toString().substring(start, end)); 2345 } 2346 i++; 2347 } 2348 originalRecipients.clear(); 2349 setText(text); 2350 } 2351 }); 2352 } 2353 return null; 2354 } 2355 } 2356 2357 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2358 @SuppressWarnings("unchecked") 2359 @Override 2360 protected Void doInBackground(Object... params) { 2361 // For each chip in the list, look up the matching contact. 2362 // If there is a match, replace that chip with the matching 2363 // chip. 2364 final ArrayList<RecipientChip> originalRecipients = 2365 (ArrayList<RecipientChip>) params[0]; 2366 String[] addresses = new String[originalRecipients.size()]; 2367 RecipientChip chip; 2368 for (int i = 0; i < originalRecipients.size(); i++) { 2369 chip = originalRecipients.get(i); 2370 if (chip != null) { 2371 addresses[i] = createAddressText(chip.getEntry()); 2372 } 2373 } 2374 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2375 .getMatchingRecipients(getContext(), addresses); 2376 for (final RecipientChip temp : originalRecipients) { 2377 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2378 && getSpannable().getSpanStart(temp) != -1) { 2379 // Replace this. 2380 final RecipientEntry entry = createValidatedEntry(entries 2381 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2382 if (entry != null) { 2383 mHandler.post(new Runnable() { 2384 @Override 2385 public void run() { 2386 replaceChip(temp, entry); 2387 } 2388 }); 2389 } 2390 } 2391 } 2392 return null; 2393 } 2394 } 2395 2396 2397 /** 2398 * MoreImageSpan is a simple class created for tracking the existence of a 2399 * more chip across activity restarts/ 2400 */ 2401 private class MoreImageSpan extends ImageSpan { 2402 public MoreImageSpan(Drawable b) { 2403 super(b); 2404 } 2405 } 2406 2407 @Override 2408 public boolean onDown(MotionEvent e) { 2409 return false; 2410 } 2411 2412 @Override 2413 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2414 // Do nothing. 2415 return false; 2416 } 2417 2418 @Override 2419 public void onLongPress(MotionEvent event) { 2420 if (mSelectedChip != null) { 2421 return; 2422 } 2423 float x = event.getX(); 2424 float y = event.getY(); 2425 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2426 RecipientChip currentChip = findChip(offset); 2427 if (currentChip != null) { 2428 if (mDragEnabled) { 2429 // Start drag-and-drop for the selected chip. 2430 startDrag(currentChip); 2431 } else { 2432 // Copy the selected chip email address. 2433 showCopyDialog(currentChip.getEntry().getDestination()); 2434 } 2435 } 2436 } 2437 2438 /** 2439 * Enables drag-and-drop for chips. 2440 */ 2441 public void enableDrag() { 2442 mDragEnabled = true; 2443 } 2444 2445 /** 2446 * Starts drag-and-drop for the selected chip. 2447 */ 2448 private void startDrag(RecipientChip currentChip) { 2449 String address = currentChip.getEntry().getDestination(); 2450 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2451 2452 // Start drag mode. 2453 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2454 2455 // Remove the current chip, so drag-and-drop will result in a move. 2456 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2457 removeChip(currentChip); 2458 } 2459 2460 /** 2461 * Handles drag event. 2462 */ 2463 @Override 2464 public boolean onDragEvent(DragEvent event) { 2465 switch (event.getAction()) { 2466 case DragEvent.ACTION_DRAG_STARTED: 2467 // Only handle plain text drag and drop. 2468 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2469 case DragEvent.ACTION_DRAG_ENTERED: 2470 requestFocus(); 2471 return true; 2472 case DragEvent.ACTION_DROP: 2473 handlePasteClip(event.getClipData()); 2474 return true; 2475 } 2476 return false; 2477 } 2478 2479 /** 2480 * Drag shadow for a {@link RecipientChip}. 2481 */ 2482 private final class RecipientChipShadow extends DragShadowBuilder { 2483 private final RecipientChip mChip; 2484 2485 public RecipientChipShadow(RecipientChip chip) { 2486 mChip = chip; 2487 } 2488 2489 @Override 2490 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2491 Rect rect = mChip.getDrawable().getBounds(); 2492 shadowSize.set(rect.width(), rect.height()); 2493 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2494 } 2495 2496 @Override 2497 public void onDrawShadow(Canvas canvas) { 2498 mChip.getDrawable().draw(canvas); 2499 } 2500 } 2501 2502 private void showCopyDialog(final String address) { 2503 mCopyAddress = address; 2504 mCopyDialog.setTitle(address); 2505 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2506 mCopyDialog.setCancelable(true); 2507 mCopyDialog.setCanceledOnTouchOutside(true); 2508 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2509 button.setOnClickListener(this); 2510 int btnTitleId; 2511 if (isPhoneQuery()) { 2512 btnTitleId = R.string.copy_number; 2513 } else { 2514 btnTitleId = R.string.copy_email; 2515 } 2516 String buttonTitle = getContext().getResources().getString(btnTitleId); 2517 button.setText(buttonTitle); 2518 mCopyDialog.setOnDismissListener(this); 2519 mCopyDialog.show(); 2520 } 2521 2522 @Override 2523 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2524 // Do nothing. 2525 return false; 2526 } 2527 2528 @Override 2529 public void onShowPress(MotionEvent e) { 2530 // Do nothing. 2531 } 2532 2533 @Override 2534 public boolean onSingleTapUp(MotionEvent e) { 2535 // Do nothing. 2536 return false; 2537 } 2538 2539 @Override 2540 public void onDismiss(DialogInterface dialog) { 2541 mCopyAddress = null; 2542 } 2543 2544 @Override 2545 public void onClick(View v) { 2546 // Copy this to the clipboard. 2547 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2548 Context.CLIPBOARD_SERVICE); 2549 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2550 mCopyDialog.dismiss(); 2551 } 2552 2553 protected boolean isPhoneQuery() { 2554 return ((BaseRecipientAdapter)getAdapter()).getQueryType() == 2555 BaseRecipientAdapter.QUERY_TYPE_PHONE; 2556 } 2557} 2558