RecipientEditTextView.java revision 932ec21b60a7829e0535b105172045daaed3278e
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 && mSelectedChip != null) { 999 clearSelectedChip(); 1000 return true; 1001 } 1002 return super.onKeyPreIme(keyCode, event); 1003 } 1004 1005 /** 1006 * Monitor key presses in this view to see if the user types 1007 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1008 * If the user has entered text that has contact matches and types 1009 * a commit key, create a chip from the topmost matching contact. 1010 * If the user has entered text that has no contact matches and types 1011 * a commit key, then create a chip from the text they have entered. 1012 */ 1013 @Override 1014 public boolean onKeyUp(int keyCode, KeyEvent event) { 1015 switch (keyCode) { 1016 case KeyEvent.KEYCODE_ENTER: 1017 case KeyEvent.KEYCODE_DPAD_CENTER: 1018 if (event.hasNoModifiers()) { 1019 if (commitDefault()) { 1020 return true; 1021 } 1022 if (mSelectedChip != null) { 1023 clearSelectedChip(); 1024 return true; 1025 } else if (focusNext()) { 1026 return true; 1027 } 1028 } 1029 break; 1030 case KeyEvent.KEYCODE_TAB: 1031 if (event.hasNoModifiers()) { 1032 if (mSelectedChip != null) { 1033 clearSelectedChip(); 1034 } else { 1035 commitDefault(); 1036 } 1037 if (focusNext()) { 1038 return true; 1039 } 1040 } 1041 break; 1042 } 1043 return super.onKeyUp(keyCode, event); 1044 } 1045 1046 private boolean focusNext() { 1047 View next = focusSearch(View.FOCUS_DOWN); 1048 if (next != null) { 1049 next.requestFocus(); 1050 return true; 1051 } 1052 return false; 1053 } 1054 1055 /** 1056 * Create a chip from the default selection. If the popup is showing, the 1057 * default is the first item in the popup suggestions list. Otherwise, it is 1058 * whatever the user had typed in. End represents where the the tokenizer 1059 * should search for a token to turn into a chip. 1060 * @return If a chip was created from a real contact. 1061 */ 1062 private boolean commitDefault() { 1063 // If there is no tokenizer, don't try to commit. 1064 if (mTokenizer == null) { 1065 return false; 1066 } 1067 Editable editable = getText(); 1068 int end = getSelectionEnd(); 1069 int start = mTokenizer.findTokenStart(editable, end); 1070 1071 if (shouldCreateChip(start, end)) { 1072 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1073 // In the middle of chip; treat this as an edit 1074 // and commit the whole token. 1075 if (whatEnd != getSelectionEnd()) { 1076 handleEdit(start, whatEnd); 1077 return true; 1078 } 1079 return commitChip(start, end , editable); 1080 } 1081 return false; 1082 } 1083 1084 private void commitByCharacter() { 1085 // We can't possibly commit by character if we can't tokenize. 1086 if (mTokenizer == null) { 1087 return; 1088 } 1089 Editable editable = getText(); 1090 int end = getSelectionEnd(); 1091 int start = mTokenizer.findTokenStart(editable, end); 1092 if (shouldCreateChip(start, end)) { 1093 commitChip(start, end, editable); 1094 } 1095 setSelection(getText().length()); 1096 } 1097 1098 private boolean commitChip(int start, int end, Editable editable) { 1099 ListAdapter adapter = getAdapter(); 1100 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1101 && end == getSelectionEnd() && !isPhoneQuery()) { 1102 // choose the first entry. 1103 submitItemAtPosition(0); 1104 dismissDropDown(); 1105 return true; 1106 } else { 1107 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1108 if (editable.length() > tokenEnd + 1) { 1109 char charAt = editable.charAt(tokenEnd + 1); 1110 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1111 tokenEnd++; 1112 } 1113 } 1114 String text = editable.toString().substring(start, tokenEnd).trim(); 1115 clearComposingText(); 1116 if (text != null && text.length() > 0 && !text.equals(" ")) { 1117 RecipientEntry entry = createTokenizedEntry(text); 1118 if (entry != null) { 1119 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1120 CharSequence chipText = createChip(entry, false); 1121 if (chipText != null && start > -1 && end > -1) { 1122 editable.replace(start, end, chipText); 1123 } 1124 } 1125 // Only dismiss the dropdown if it is related to the text we 1126 // just committed. 1127 // For paste, it may not be as there are possibly multiple 1128 // tokens being added. 1129 if (end == getSelectionEnd()) { 1130 dismissDropDown(); 1131 } 1132 sanitizeBetween(); 1133 return true; 1134 } 1135 } 1136 return false; 1137 } 1138 1139 // Visible for testing. 1140 /* package */ void sanitizeBetween() { 1141 // Don't sanitize while we are waiting for content to chipify. 1142 if (mPendingChipsCount > 0) { 1143 return; 1144 } 1145 // Find the last chip. 1146 RecipientChip[] recips = getSortedRecipients(); 1147 if (recips != null && recips.length > 0) { 1148 RecipientChip last = recips[recips.length - 1]; 1149 RecipientChip beforeLast = null; 1150 if (recips.length > 1) { 1151 beforeLast = recips[recips.length - 2]; 1152 } 1153 int startLooking = 0; 1154 int end = getSpannable().getSpanStart(last); 1155 if (beforeLast != null) { 1156 startLooking = getSpannable().getSpanEnd(beforeLast); 1157 Editable text = getText(); 1158 if (startLooking == -1 || startLooking > text.length() - 1) { 1159 // There is nothing after this chip. 1160 return; 1161 } 1162 if (text.charAt(startLooking) == ' ') { 1163 startLooking++; 1164 } 1165 } 1166 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1167 getText().delete(startLooking, end); 1168 } 1169 } 1170 } 1171 1172 private boolean shouldCreateChip(int start, int end) { 1173 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1174 } 1175 1176 private boolean alreadyHasChip(int start, int end) { 1177 if (mNoChips) { 1178 return true; 1179 } 1180 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1181 if ((chips == null || chips.length == 0)) { 1182 return false; 1183 } 1184 return true; 1185 } 1186 1187 private void handleEdit(int start, int end) { 1188 if (start == -1 || end == -1) { 1189 // This chip no longer exists in the field. 1190 dismissDropDown(); 1191 return; 1192 } 1193 // This is in the middle of a chip, so select out the whole chip 1194 // and commit it. 1195 Editable editable = getText(); 1196 setSelection(end); 1197 String text = getText().toString().substring(start, end); 1198 if (!TextUtils.isEmpty(text)) { 1199 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1200 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1201 CharSequence chipText = createChip(entry, false); 1202 int selEnd = getSelectionEnd(); 1203 if (chipText != null && start > -1 && selEnd > -1) { 1204 editable.replace(start, selEnd, chipText); 1205 } 1206 } 1207 dismissDropDown(); 1208 } 1209 1210 /** 1211 * If there is a selected chip, delegate the key events 1212 * to the selected chip. 1213 */ 1214 @Override 1215 public boolean onKeyDown(int keyCode, KeyEvent event) { 1216 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1217 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1218 mAlternatesPopup.dismiss(); 1219 } 1220 removeChip(mSelectedChip); 1221 } 1222 1223 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1224 return true; 1225 } 1226 1227 return super.onKeyDown(keyCode, event); 1228 } 1229 1230 // Visible for testing. 1231 /* package */ Spannable getSpannable() { 1232 return getText(); 1233 } 1234 1235 private int getChipStart(RecipientChip chip) { 1236 return getSpannable().getSpanStart(chip); 1237 } 1238 1239 private int getChipEnd(RecipientChip chip) { 1240 return getSpannable().getSpanEnd(chip); 1241 } 1242 1243 /** 1244 * Instead of filtering on the entire contents of the edit box, 1245 * this subclass method filters on the range from 1246 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1247 * if the length of that range meets or exceeds {@link #getThreshold} 1248 * and makes sure that the range is not already a Chip. 1249 */ 1250 @Override 1251 protected void performFiltering(CharSequence text, int keyCode) { 1252 if (enoughToFilter() && !isCompletedToken(text)) { 1253 int end = getSelectionEnd(); 1254 int start = mTokenizer.findTokenStart(text, end); 1255 // If this is a RecipientChip, don't filter 1256 // on its contents. 1257 Spannable span = getSpannable(); 1258 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1259 if (chips != null && chips.length > 0) { 1260 return; 1261 } 1262 } 1263 super.performFiltering(text, keyCode); 1264 } 1265 1266 // Visible for testing. 1267 /*package*/ boolean isCompletedToken(CharSequence text) { 1268 if (TextUtils.isEmpty(text)) { 1269 return false; 1270 } 1271 // Check to see if this is a completed token before filtering. 1272 int end = text.length(); 1273 int start = mTokenizer.findTokenStart(text, end); 1274 String token = text.toString().substring(start, end).trim(); 1275 if (!TextUtils.isEmpty(token)) { 1276 char atEnd = token.charAt(token.length() - 1); 1277 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1278 } 1279 return false; 1280 } 1281 1282 private void clearSelectedChip() { 1283 if (mSelectedChip != null) { 1284 unselectChip(mSelectedChip); 1285 mSelectedChip = null; 1286 } 1287 setCursorVisible(true); 1288 } 1289 1290 /** 1291 * Monitor touch events in the RecipientEditTextView. 1292 * If the view does not have focus, any tap on the view 1293 * will just focus the view. If the view has focus, determine 1294 * if the touch target is a recipient chip. If it is and the chip 1295 * is not selected, select it and clear any other selected chips. 1296 * If it isn't, then select that chip. 1297 */ 1298 @Override 1299 public boolean onTouchEvent(MotionEvent event) { 1300 if (!isFocused()) { 1301 // Ignore any chip taps until this view is focused. 1302 return super.onTouchEvent(event); 1303 } 1304 boolean handled = super.onTouchEvent(event); 1305 int action = event.getAction(); 1306 boolean chipWasSelected = false; 1307 if (mSelectedChip == null) { 1308 mGestureDetector.onTouchEvent(event); 1309 } 1310 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1311 float x = event.getX(); 1312 float y = event.getY(); 1313 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1314 RecipientChip currentChip = findChip(offset); 1315 if (currentChip != null) { 1316 if (action == MotionEvent.ACTION_UP) { 1317 if (mSelectedChip != null && mSelectedChip != currentChip) { 1318 clearSelectedChip(); 1319 mSelectedChip = selectChip(currentChip); 1320 } else if (mSelectedChip == null) { 1321 setSelection(getText().length()); 1322 commitDefault(); 1323 mSelectedChip = selectChip(currentChip); 1324 } else { 1325 onClick(mSelectedChip, offset, x, y); 1326 } 1327 } 1328 chipWasSelected = true; 1329 handled = true; 1330 } else if (mSelectedChip != null 1331 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1332 chipWasSelected = true; 1333 } 1334 } 1335 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1336 clearSelectedChip(); 1337 } 1338 return handled; 1339 } 1340 1341 private void scrollLineIntoView(int line) { 1342 if (mScrollView != null) { 1343 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1344 } 1345 } 1346 1347 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1348 int width, Context context) { 1349 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1350 int bottom; 1351 if (line == getLineCount() -1) { 1352 bottom = 0; 1353 } else { 1354 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1355 - line))); 1356 } 1357 // Align the alternates popup with the left side of the View, 1358 // regardless of the position of the chip tapped. 1359 alternatesPopup.setWidth(width); 1360 setEnabled(false); 1361 alternatesPopup.setAnchorView(this); 1362 alternatesPopup.setVerticalOffset(bottom); 1363 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1364 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1365 // Clear the checked item. 1366 mCheckedItem = -1; 1367 alternatesPopup.show(); 1368 ListView listView = alternatesPopup.getListView(); 1369 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1370 // Checked item would be -1 if the adapter has not 1371 // loaded the view that should be checked yet. The 1372 // variable will be set correctly when onCheckedItemChanged 1373 // is called in a separate thread. 1374 if (mCheckedItem != -1) { 1375 listView.setItemChecked(mCheckedItem, true); 1376 mCheckedItem = -1; 1377 } 1378 } 1379 1380 // Dismiss listener for alterns and single address popup. 1381 @Override 1382 public void onDismiss() { 1383 setEnabled(true); 1384 } 1385 1386 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1387 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1388 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1389 } 1390 1391 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1392 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1393 .getEntry()); 1394 } 1395 1396 @Override 1397 public void onCheckedItemChanged(int position) { 1398 ListView listView = mAlternatesPopup.getListView(); 1399 if (listView != null && listView.getCheckedItemCount() == 0) { 1400 listView.setItemChecked(position, true); 1401 } 1402 mCheckedItem = position; 1403 } 1404 1405 // TODO: This algorithm will need a lot of tweaking after more people have used 1406 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1407 // what comes before the finger. 1408 private int putOffsetInRange(int o) { 1409 int offset = o; 1410 Editable text = getText(); 1411 int length = text.length(); 1412 // Remove whitespace from end to find "real end" 1413 int realLength = length; 1414 for (int i = length - 1; i >= 0; i--) { 1415 if (text.charAt(i) == ' ') { 1416 realLength--; 1417 } else { 1418 break; 1419 } 1420 } 1421 1422 // If the offset is beyond or at the end of the text, 1423 // leave it alone. 1424 if (offset >= realLength) { 1425 return offset; 1426 } 1427 Editable editable = getText(); 1428 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1429 // Keep walking backward! 1430 offset--; 1431 } 1432 return offset; 1433 } 1434 1435 private int findText(Editable text, int offset) { 1436 if (text.charAt(offset) != ' ') { 1437 return offset; 1438 } 1439 return -1; 1440 } 1441 1442 private RecipientChip findChip(int offset) { 1443 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1444 // Find the chip that contains this offset. 1445 for (int i = 0; i < chips.length; i++) { 1446 RecipientChip chip = chips[i]; 1447 int start = getChipStart(chip); 1448 int end = getChipEnd(chip); 1449 if (offset >= start && offset <= end) { 1450 return chip; 1451 } 1452 } 1453 return null; 1454 } 1455 1456 // Visible for testing. 1457 // Use this method to generate text to add to the list of addresses. 1458 /* package */String createAddressText(RecipientEntry entry) { 1459 String display = entry.getDisplayName(); 1460 String address = entry.getDestination(); 1461 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1462 display = null; 1463 } 1464 String trimmedDisplayText; 1465 if (isPhoneQuery() && isPhoneNumber(address)) { 1466 trimmedDisplayText = address.trim(); 1467 } else { 1468 if (address != null) { 1469 // Tokenize out the address in case the address already 1470 // contained the username as well. 1471 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1472 if (tokenized != null && tokenized.length > 0) { 1473 address = tokenized[0].getAddress(); 1474 } 1475 } 1476 Rfc822Token token = new Rfc822Token(display, address, null); 1477 trimmedDisplayText = token.toString().trim(); 1478 } 1479 int index = trimmedDisplayText.indexOf(","); 1480 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1481 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1482 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1483 } 1484 1485 // Visible for testing. 1486 // Use this method to generate text to display in a chip. 1487 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1488 String display = entry.getDisplayName(); 1489 String address = entry.getDestination(); 1490 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1491 display = null; 1492 } 1493 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1494 // Tokenize out the address in case the address already 1495 // contained the username as well. 1496 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1497 if (tokenized != null && tokenized.length > 0) { 1498 address = tokenized[0].getAddress(); 1499 } 1500 } 1501 if (!TextUtils.isEmpty(display)) { 1502 return display; 1503 } else if (!TextUtils.isEmpty(address)){ 1504 return address; 1505 } else { 1506 return new Rfc822Token(display, address, null).toString(); 1507 } 1508 } 1509 1510 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1511 String displayText = createAddressText(entry); 1512 if (TextUtils.isEmpty(displayText)) { 1513 return null; 1514 } 1515 SpannableString chipText = null; 1516 // Always leave a blank space at the end of a chip. 1517 int end = getSelectionEnd(); 1518 int start = mTokenizer.findTokenStart(getText(), end); 1519 int textLength = displayText.length()-1; 1520 chipText = new SpannableString(displayText); 1521 if (!mNoChips) { 1522 try { 1523 RecipientChip chip = constructChipSpan(entry, start, pressed); 1524 chipText.setSpan(chip, 0, textLength, 1525 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1526 chip.setOriginalText(chipText.toString()); 1527 } catch (NullPointerException e) { 1528 Log.e(TAG, e.getMessage(), e); 1529 return null; 1530 } 1531 } 1532 return chipText; 1533 } 1534 1535 /** 1536 * When an item in the suggestions list has been clicked, create a chip from the 1537 * contact information of the selected item. 1538 */ 1539 @Override 1540 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1541 submitItemAtPosition(position); 1542 } 1543 1544 private void submitItemAtPosition(int position) { 1545 RecipientEntry entry = createValidatedEntry( 1546 (RecipientEntry)getAdapter().getItem(position)); 1547 if (entry == null) { 1548 return; 1549 } 1550 clearComposingText(); 1551 1552 int end = getSelectionEnd(); 1553 int start = mTokenizer.findTokenStart(getText(), end); 1554 1555 Editable editable = getText(); 1556 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1557 CharSequence chip = createChip(entry, false); 1558 if (chip != null && start >= 0 && end >= 0) { 1559 editable.replace(start, end, chip); 1560 } 1561 sanitizeBetween(); 1562 } 1563 1564 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1565 if (item == null) { 1566 return null; 1567 } 1568 final RecipientEntry entry; 1569 // If the display name and the address are the same, or if this is a 1570 // valid contact, but the destination is invalid, then make this a fake 1571 // recipient that is editable. 1572 String destination = item.getDestination(); 1573 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1574 && (TextUtils.isEmpty(item.getDisplayName()) 1575 || TextUtils.equals(item.getDisplayName(), destination) 1576 || (mValidator != null && !mValidator.isValid(destination)))) { 1577 entry = RecipientEntry.constructFakeEntry(destination); 1578 } else { 1579 entry = item; 1580 } 1581 return entry; 1582 } 1583 1584 /** Returns a collection of contact Id for each chip inside this View. */ 1585 /* package */ Collection<Long> getContactIds() { 1586 final Set<Long> result = new HashSet<Long>(); 1587 RecipientChip[] chips = getSortedRecipients(); 1588 if (chips != null) { 1589 for (RecipientChip chip : chips) { 1590 result.add(chip.getContactId()); 1591 } 1592 } 1593 return result; 1594 } 1595 1596 1597 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1598 /* package */ Collection<Long> getDataIds() { 1599 final Set<Long> result = new HashSet<Long>(); 1600 RecipientChip [] chips = getSortedRecipients(); 1601 if (chips != null) { 1602 for (RecipientChip chip : chips) { 1603 result.add(chip.getDataId()); 1604 } 1605 } 1606 return result; 1607 } 1608 1609 // Visible for testing. 1610 /* package */RecipientChip[] getSortedRecipients() { 1611 RecipientChip[] recips = getSpannable() 1612 .getSpans(0, getText().length(), RecipientChip.class); 1613 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1614 .asList(recips)); 1615 final Spannable spannable = getSpannable(); 1616 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1617 1618 @Override 1619 public int compare(RecipientChip first, RecipientChip second) { 1620 int firstStart = spannable.getSpanStart(first); 1621 int secondStart = spannable.getSpanStart(second); 1622 if (firstStart < secondStart) { 1623 return -1; 1624 } else if (firstStart > secondStart) { 1625 return 1; 1626 } else { 1627 return 0; 1628 } 1629 } 1630 }); 1631 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1632 } 1633 1634 @Override 1635 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1636 return false; 1637 } 1638 1639 @Override 1640 public void onDestroyActionMode(ActionMode mode) { 1641 } 1642 1643 @Override 1644 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1645 return false; 1646 } 1647 1648 /** 1649 * No chips are selectable. 1650 */ 1651 @Override 1652 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1653 return false; 1654 } 1655 1656 // Visible for testing. 1657 /* package */ImageSpan getMoreChip() { 1658 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1659 MoreImageSpan.class); 1660 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1661 } 1662 1663 private MoreImageSpan createMoreSpan(int count) { 1664 String moreText = String.format(mMoreItem.getText().toString(), count); 1665 TextPaint morePaint = new TextPaint(getPaint()); 1666 morePaint.setTextSize(mMoreItem.getTextSize()); 1667 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1668 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1669 + mMoreItem.getPaddingRight(); 1670 int height = getLineHeight(); 1671 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1672 Canvas canvas = new Canvas(drawable); 1673 int adjustedHeight = height; 1674 Layout layout = getLayout(); 1675 if (layout != null) { 1676 adjustedHeight -= layout.getLineDescent(0); 1677 } 1678 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1679 1680 Drawable result = new BitmapDrawable(getResources(), drawable); 1681 result.setBounds(0, 0, width, height); 1682 return new MoreImageSpan(result); 1683 } 1684 1685 // Visible for testing. 1686 /*package*/ void createMoreChipPlainText() { 1687 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1688 Editable text = getText(); 1689 int start = 0; 1690 int end = start; 1691 for (int i = 0; i < CHIP_LIMIT; i++) { 1692 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1693 start = end; // move to the next token and get its end. 1694 } 1695 // Now, count total addresses. 1696 start = 0; 1697 int tokenCount = countTokens(text); 1698 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1699 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1700 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1701 text.replace(end, text.length(), chipText); 1702 mMoreChip = moreSpan; 1703 } 1704 1705 // Visible for testing. 1706 /* package */int countTokens(Editable text) { 1707 int tokenCount = 0; 1708 int start = 0; 1709 while (start < text.length()) { 1710 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1711 tokenCount++; 1712 if (start >= text.length()) { 1713 break; 1714 } 1715 } 1716 return tokenCount; 1717 } 1718 1719 /** 1720 * Create the more chip. The more chip is text that replaces any chips that 1721 * do not fit in the pre-defined available space when the 1722 * RecipientEditTextView loses focus. 1723 */ 1724 // Visible for testing. 1725 /* package */ void createMoreChip() { 1726 if (mNoChips) { 1727 createMoreChipPlainText(); 1728 return; 1729 } 1730 1731 if (!mShouldShrink) { 1732 return; 1733 } 1734 1735 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1736 if (tempMore.length > 0) { 1737 getSpannable().removeSpan(tempMore[0]); 1738 } 1739 RecipientChip[] recipients = getSortedRecipients(); 1740 1741 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1742 mMoreChip = null; 1743 return; 1744 } 1745 Spannable spannable = getSpannable(); 1746 int numRecipients = recipients.length; 1747 int overage = numRecipients - CHIP_LIMIT; 1748 MoreImageSpan moreSpan = createMoreSpan(overage); 1749 mRemovedSpans = new ArrayList<RecipientChip>(); 1750 int totalReplaceStart = 0; 1751 int totalReplaceEnd = 0; 1752 Editable text = getText(); 1753 for (int i = numRecipients - overage; i < recipients.length; i++) { 1754 mRemovedSpans.add(recipients[i]); 1755 if (i == numRecipients - overage) { 1756 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1757 } 1758 if (i == recipients.length - 1) { 1759 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1760 } 1761 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1762 int spanStart = spannable.getSpanStart(recipients[i]); 1763 int spanEnd = spannable.getSpanEnd(recipients[i]); 1764 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1765 } 1766 spannable.removeSpan(recipients[i]); 1767 } 1768 if (totalReplaceEnd < text.length()) { 1769 totalReplaceEnd = text.length(); 1770 } 1771 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1772 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1773 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1774 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1775 text.replace(start, end, chipText); 1776 mMoreChip = moreSpan; 1777 } 1778 1779 /** 1780 * Replace the more chip, if it exists, with all of the recipient chips it had 1781 * replaced when the RecipientEditTextView gains focus. 1782 */ 1783 // Visible for testing. 1784 /*package*/ void removeMoreChip() { 1785 if (mMoreChip != null) { 1786 Spannable span = getSpannable(); 1787 span.removeSpan(mMoreChip); 1788 mMoreChip = null; 1789 // Re-add the spans that were removed. 1790 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1791 // Recreate each removed span. 1792 RecipientChip[] recipients = getSortedRecipients(); 1793 // Start the search for tokens after the last currently visible 1794 // chip. 1795 if (recipients == null || recipients.length == 0) { 1796 return; 1797 } 1798 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1799 Editable editable = getText(); 1800 for (RecipientChip chip : mRemovedSpans) { 1801 int chipStart; 1802 int chipEnd; 1803 String token; 1804 // Need to find the location of the chip, again. 1805 token = (String) chip.getOriginalText(); 1806 // As we find the matching recipient for the remove spans, 1807 // reduce the size of the string we need to search. 1808 // That way, if there are duplicates, we always find the correct 1809 // recipient. 1810 chipStart = editable.toString().indexOf(token, end); 1811 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1812 // Only set the span if we found a matching token. 1813 if (chipStart != -1) { 1814 editable.setSpan(chip, chipStart, chipEnd, 1815 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1816 } 1817 } 1818 mRemovedSpans.clear(); 1819 } 1820 } 1821 } 1822 1823 /** 1824 * Show specified chip as selected. If the RecipientChip is just an email address, 1825 * selecting the chip will take the contents of the chip and place it at 1826 * the end of the RecipientEditTextView for inline editing. If the 1827 * RecipientChip is a complete contact, then selecting the chip 1828 * will change the background color of the chip, show the delete icon, 1829 * and a popup window with the address in use highlighted and any other 1830 * alternate addresses for the contact. 1831 * @param currentChip Chip to select. 1832 * @return A RecipientChip in the selected state or null if the chip 1833 * just contained an email address. 1834 */ 1835 private RecipientChip selectChip(RecipientChip currentChip) { 1836 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1837 CharSequence text = currentChip.getValue(); 1838 Editable editable = getText(); 1839 removeChip(currentChip); 1840 editable.append(text); 1841 setCursorVisible(true); 1842 setSelection(editable.length()); 1843 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1844 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1845 int start = getChipStart(currentChip); 1846 int end = getChipEnd(currentChip); 1847 getSpannable().removeSpan(currentChip); 1848 RecipientChip newChip; 1849 try { 1850 if (mNoChips) { 1851 return null; 1852 } 1853 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1854 } catch (NullPointerException e) { 1855 Log.e(TAG, e.getMessage(), e); 1856 return null; 1857 } 1858 Editable editable = getText(); 1859 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1860 if (start == -1 || end == -1) { 1861 Log.d(TAG, "The chip being selected no longer exists but should."); 1862 } else { 1863 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1864 } 1865 newChip.setSelected(true); 1866 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1867 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1868 } 1869 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1870 setCursorVisible(false); 1871 return newChip; 1872 } else { 1873 int start = getChipStart(currentChip); 1874 int end = getChipEnd(currentChip); 1875 getSpannable().removeSpan(currentChip); 1876 RecipientChip newChip; 1877 try { 1878 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1879 } catch (NullPointerException e) { 1880 Log.e(TAG, e.getMessage(), e); 1881 return null; 1882 } 1883 Editable editable = getText(); 1884 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1885 if (start == -1 || end == -1) { 1886 Log.d(TAG, "The chip being selected no longer exists but should."); 1887 } else { 1888 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1889 } 1890 newChip.setSelected(true); 1891 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1892 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1893 } 1894 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1895 setCursorVisible(false); 1896 return newChip; 1897 } 1898 } 1899 1900 1901 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1902 int width, Context context) { 1903 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1904 int bottom = calculateOffsetFromBottom(line); 1905 // Align the alternates popup with the left side of the View, 1906 // regardless of the position of the chip tapped. 1907 setEnabled(false); 1908 popup.setWidth(width); 1909 popup.setAnchorView(this); 1910 popup.setVerticalOffset(bottom); 1911 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1912 popup.setOnItemClickListener(new OnItemClickListener() { 1913 @Override 1914 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1915 unselectChip(currentChip); 1916 popup.dismiss(); 1917 } 1918 }); 1919 popup.show(); 1920 ListView listView = popup.getListView(); 1921 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1922 listView.setItemChecked(0, true); 1923 } 1924 1925 /** 1926 * Remove selection from this chip. Unselecting a RecipientChip will render 1927 * the chip without a delete icon and with an unfocused background. This is 1928 * called when the RecipientChip no longer has focus. 1929 */ 1930 private void unselectChip(RecipientChip chip) { 1931 int start = getChipStart(chip); 1932 int end = getChipEnd(chip); 1933 Editable editable = getText(); 1934 mSelectedChip = null; 1935 if (start == -1 || end == -1) { 1936 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1937 setSelection(editable.length()); 1938 commitDefault(); 1939 } else { 1940 getSpannable().removeSpan(chip); 1941 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1942 editable.removeSpan(chip); 1943 try { 1944 if (!mNoChips) { 1945 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1946 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1947 } 1948 } catch (NullPointerException e) { 1949 Log.e(TAG, e.getMessage(), e); 1950 } 1951 } 1952 setCursorVisible(true); 1953 setSelection(editable.length()); 1954 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1955 mAlternatesPopup.dismiss(); 1956 } 1957 } 1958 1959 /** 1960 * Return whether a touch event was inside the delete target of 1961 * a selected chip. It is in the delete target if: 1962 * 1) the x and y points of the event are within the 1963 * delete assset. 1964 * 2) the point tapped would have caused a cursor to appear 1965 * right after the selected chip. 1966 * @return boolean 1967 */ 1968 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1969 // Figure out the bounds of this chip and whether or not 1970 // the user clicked in the X portion. 1971 return chip.isSelected() && offset == getChipEnd(chip); 1972 } 1973 1974 /** 1975 * Remove the chip and any text associated with it from the RecipientEditTextView. 1976 */ 1977 // Visible for testing. 1978 /*pacakge*/ void removeChip(RecipientChip chip) { 1979 Spannable spannable = getSpannable(); 1980 int spanStart = spannable.getSpanStart(chip); 1981 int spanEnd = spannable.getSpanEnd(chip); 1982 Editable text = getText(); 1983 int toDelete = spanEnd; 1984 boolean wasSelected = chip == mSelectedChip; 1985 // Clear that there is a selected chip before updating any text. 1986 if (wasSelected) { 1987 mSelectedChip = null; 1988 } 1989 // Always remove trailing spaces when removing a chip. 1990 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1991 toDelete++; 1992 } 1993 spannable.removeSpan(chip); 1994 if (spanStart >= 0 && toDelete > 0) { 1995 text.delete(spanStart, toDelete); 1996 } 1997 if (wasSelected) { 1998 clearSelectedChip(); 1999 } 2000 } 2001 2002 /** 2003 * Replace this currently selected chip with a new chip 2004 * that uses the contact data provided. 2005 */ 2006 // Visible for testing. 2007 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2008 boolean wasSelected = chip == mSelectedChip; 2009 if (wasSelected) { 2010 mSelectedChip = null; 2011 } 2012 int start = getChipStart(chip); 2013 int end = getChipEnd(chip); 2014 getSpannable().removeSpan(chip); 2015 Editable editable = getText(); 2016 CharSequence chipText = createChip(entry, false); 2017 if (chipText != null) { 2018 if (start == -1 || end == -1) { 2019 Log.e(TAG, "The chip to replace does not exist but should."); 2020 editable.insert(0, chipText); 2021 } else { 2022 if (!TextUtils.isEmpty(chipText)) { 2023 // There may be a space to replace with this chip's new 2024 // associated 2025 // space. Check for it 2026 int toReplace = end; 2027 while (toReplace >= 0 && toReplace < editable.length() 2028 && editable.charAt(toReplace) == ' ') { 2029 toReplace++; 2030 } 2031 editable.replace(start, toReplace, chipText); 2032 } 2033 } 2034 } 2035 setCursorVisible(true); 2036 if (wasSelected) { 2037 clearSelectedChip(); 2038 } 2039 } 2040 2041 /** 2042 * Handle click events for a chip. When a selected chip receives a click 2043 * event, see if that event was in the delete icon. If so, delete it. 2044 * Otherwise, unselect the chip. 2045 */ 2046 public void onClick(RecipientChip chip, int offset, float x, float y) { 2047 if (chip.isSelected()) { 2048 if (isInDelete(chip, offset, x, y)) { 2049 removeChip(chip); 2050 } else { 2051 clearSelectedChip(); 2052 } 2053 } 2054 } 2055 2056 private boolean chipsPending() { 2057 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2058 } 2059 2060 @Override 2061 public void removeTextChangedListener(TextWatcher watcher) { 2062 mTextWatcher = null; 2063 super.removeTextChangedListener(watcher); 2064 } 2065 2066 private class RecipientTextWatcher implements TextWatcher { 2067 2068 @Override 2069 public void afterTextChanged(Editable s) { 2070 // If the text has been set to null or empty, make sure we remove 2071 // all the spans we applied. 2072 if (TextUtils.isEmpty(s)) { 2073 // Remove all the chips spans. 2074 Spannable spannable = getSpannable(); 2075 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2076 RecipientChip.class); 2077 for (RecipientChip chip : chips) { 2078 spannable.removeSpan(chip); 2079 } 2080 if (mMoreChip != null) { 2081 spannable.removeSpan(mMoreChip); 2082 } 2083 return; 2084 } 2085 // Get whether there are any recipients pending addition to the 2086 // view. If there are, don't do anything in the text watcher. 2087 if (chipsPending()) { 2088 return; 2089 } 2090 // If the user is editing a chip, don't clear it. 2091 if (mSelectedChip != null 2092 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2093 setCursorVisible(true); 2094 setSelection(getText().length()); 2095 clearSelectedChip(); 2096 } 2097 int length = s.length(); 2098 // Make sure there is content there to parse and that it is 2099 // not just the commit character. 2100 if (length > 1) { 2101 char last; 2102 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2103 int len = length() - 1; 2104 if (end != len) { 2105 last = s.charAt(end); 2106 } else { 2107 last = s.charAt(len); 2108 } 2109 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2110 commitByCharacter(); 2111 } else if (last == COMMIT_CHAR_SPACE) { 2112 if (!isPhoneQuery()) { 2113 // Check if this is a valid email address. If it is, 2114 // commit it. 2115 String text = getText().toString(); 2116 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2117 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2118 tokenStart)); 2119 if (!TextUtils.isEmpty(sub) && mValidator != null && 2120 mValidator.isValid(sub)) { 2121 commitByCharacter(); 2122 } 2123 } 2124 } 2125 } 2126 } 2127 2128 @Override 2129 public void onTextChanged(CharSequence s, int start, int before, int count) { 2130 // This is a delete; check to see if the insertion point is on a space 2131 // following a chip. 2132 if (before > count) { 2133 // If the item deleted is a space, and the thing before the 2134 // space is a chip, delete the entire span. 2135 int selStart = getSelectionStart(); 2136 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2137 RecipientChip.class); 2138 if (repl.length > 0) { 2139 // There is a chip there! Just remove it. 2140 Editable editable = getText(); 2141 // Add the separator token. 2142 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2143 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2144 tokenEnd = tokenEnd + 1; 2145 if (tokenEnd > editable.length()) { 2146 tokenEnd = editable.length(); 2147 } 2148 editable.delete(tokenStart, tokenEnd); 2149 getSpannable().removeSpan(repl[0]); 2150 } 2151 } else { 2152 scrollBottomIntoView(); 2153 } 2154 } 2155 2156 @Override 2157 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2158 // Do nothing. 2159 } 2160 } 2161 2162 private void scrollBottomIntoView() { 2163 if (mScrollView != null) { 2164 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2165 } 2166 } 2167 2168 /** 2169 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2170 */ 2171 private void handlePasteClip(ClipData clip) { 2172 removeTextChangedListener(mTextWatcher); 2173 2174 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2175 for (int i = 0; i < clip.getItemCount(); i++) { 2176 CharSequence paste = clip.getItemAt(i).getText(); 2177 if (paste != null) { 2178 int start = getSelectionStart(); 2179 int end = getSelectionEnd(); 2180 Editable editable = getText(); 2181 if (start >= 0 && end >= 0 && start != end) { 2182 editable.append(paste, start, end); 2183 } else { 2184 editable.insert(end, paste); 2185 } 2186 handlePasteAndReplace(); 2187 } 2188 } 2189 } 2190 2191 mHandler.post(mAddTextWatcher); 2192 } 2193 2194 @Override 2195 public boolean onTextContextMenuItem(int id) { 2196 if (id == android.R.id.paste) { 2197 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2198 Context.CLIPBOARD_SERVICE); 2199 handlePasteClip(clipboard.getPrimaryClip()); 2200 return true; 2201 } 2202 return super.onTextContextMenuItem(id); 2203 } 2204 2205 private void handlePasteAndReplace() { 2206 ArrayList<RecipientChip> created = handlePaste(); 2207 if (created != null && created.size() > 0) { 2208 // Perform reverse lookups on the pasted contacts. 2209 IndividualReplacementTask replace = new IndividualReplacementTask(); 2210 replace.execute(created); 2211 } 2212 } 2213 2214 // Visible for testing. 2215 /* package */ArrayList<RecipientChip> handlePaste() { 2216 String text = getText().toString(); 2217 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2218 String lastAddress = text.substring(originalTokenStart); 2219 int tokenStart = originalTokenStart; 2220 int prevTokenStart = tokenStart; 2221 RecipientChip findChip = null; 2222 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2223 if (tokenStart != 0) { 2224 // There are things before this! 2225 while (tokenStart != 0 && findChip == null) { 2226 prevTokenStart = tokenStart; 2227 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2228 findChip = findChip(tokenStart); 2229 } 2230 if (tokenStart != originalTokenStart) { 2231 if (findChip != null) { 2232 tokenStart = prevTokenStart; 2233 } 2234 int tokenEnd; 2235 RecipientChip createdChip; 2236 while (tokenStart < originalTokenStart) { 2237 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2238 commitChip(tokenStart, tokenEnd, getText()); 2239 createdChip = findChip(tokenStart); 2240 // +1 for the space at the end. 2241 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2242 created.add(createdChip); 2243 } 2244 } 2245 } 2246 // Take a look at the last token. If the token has been completed with a 2247 // commit character, create a chip. 2248 if (isCompletedToken(lastAddress)) { 2249 Editable editable = getText(); 2250 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2251 commitChip(tokenStart, editable.length(), editable); 2252 created.add(findChip(tokenStart)); 2253 } 2254 return created; 2255 } 2256 2257 // Visible for testing. 2258 /* package */int movePastTerminators(int tokenEnd) { 2259 if (tokenEnd >= length()) { 2260 return tokenEnd; 2261 } 2262 char atEnd = getText().toString().charAt(tokenEnd); 2263 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2264 tokenEnd++; 2265 } 2266 // This token had not only an end token character, but also a space 2267 // separating it from the next token. 2268 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2269 tokenEnd++; 2270 } 2271 return tokenEnd; 2272 } 2273 2274 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2275 private RecipientChip createFreeChip(RecipientEntry entry) { 2276 try { 2277 if (mNoChips) { 2278 return null; 2279 } 2280 return constructChipSpan(entry, -1, false); 2281 } catch (NullPointerException e) { 2282 Log.e(TAG, e.getMessage(), e); 2283 return null; 2284 } 2285 } 2286 2287 @Override 2288 protected Void doInBackground(Void... params) { 2289 if (mIndividualReplacements != null) { 2290 mIndividualReplacements.cancel(true); 2291 } 2292 // For each chip in the list, look up the matching contact. 2293 // If there is a match, replace that chip with the matching 2294 // chip. 2295 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2296 RecipientChip[] existingChips = getSortedRecipients(); 2297 for (int i = 0; i < existingChips.length; i++) { 2298 originalRecipients.add(existingChips[i]); 2299 } 2300 if (mRemovedSpans != null) { 2301 originalRecipients.addAll(mRemovedSpans); 2302 } 2303 ArrayList<String> addresses = new ArrayList<String>(); 2304 RecipientChip chip; 2305 for (int i = 0; i < originalRecipients.size(); i++) { 2306 chip = originalRecipients.get(i); 2307 if (chip != null) { 2308 addresses.add(createAddressText(chip.getEntry())); 2309 } 2310 } 2311 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2312 .getMatchingRecipients(getContext(), addresses); 2313 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2314 for (final RecipientChip temp : originalRecipients) { 2315 RecipientEntry entry = null; 2316 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2317 && getSpannable().getSpanStart(temp) != -1) { 2318 // Replace this. 2319 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2320 .getDestination()))); 2321 } 2322 if (entry != null) { 2323 replacements.add(createFreeChip(entry)); 2324 } else { 2325 replacements.add(temp); 2326 } 2327 } 2328 if (replacements != null && replacements.size() > 0) { 2329 mHandler.post(new Runnable() { 2330 @Override 2331 public void run() { 2332 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2333 .toString()); 2334 Editable oldText = getText(); 2335 int start, end; 2336 int i = 0; 2337 for (RecipientChip chip : originalRecipients) { 2338 start = oldText.getSpanStart(chip); 2339 if (start != -1) { 2340 end = oldText.getSpanEnd(chip); 2341 oldText.removeSpan(chip); 2342 // Leave a spot for the space! 2343 RecipientChip replacement = replacements.get(i); 2344 text.setSpan(replacement, start, end, 2345 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2346 replacement.setOriginalText(text.toString().substring(start, end)); 2347 } 2348 i++; 2349 } 2350 originalRecipients.clear(); 2351 setText(text); 2352 } 2353 }); 2354 } 2355 return null; 2356 } 2357 } 2358 2359 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2360 @SuppressWarnings("unchecked") 2361 @Override 2362 protected Void doInBackground(Object... params) { 2363 // For each chip in the list, look up the matching contact. 2364 // If there is a match, replace that chip with the matching 2365 // chip. 2366 final ArrayList<RecipientChip> originalRecipients = 2367 (ArrayList<RecipientChip>) params[0]; 2368 ArrayList<String> addresses = new ArrayList<String>(); 2369 RecipientChip chip; 2370 for (int i = 0; i < originalRecipients.size(); i++) { 2371 chip = originalRecipients.get(i); 2372 if (chip != null) { 2373 addresses.add(createAddressText(chip.getEntry())); 2374 } 2375 } 2376 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2377 .getMatchingRecipients(getContext(), addresses); 2378 for (final RecipientChip temp : originalRecipients) { 2379 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2380 && getSpannable().getSpanStart(temp) != -1) { 2381 // Replace this. 2382 final RecipientEntry entry = createValidatedEntry(entries 2383 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2384 if (entry != null) { 2385 mHandler.post(new Runnable() { 2386 @Override 2387 public void run() { 2388 replaceChip(temp, entry); 2389 } 2390 }); 2391 } 2392 } 2393 } 2394 return null; 2395 } 2396 } 2397 2398 2399 /** 2400 * MoreImageSpan is a simple class created for tracking the existence of a 2401 * more chip across activity restarts/ 2402 */ 2403 private class MoreImageSpan extends ImageSpan { 2404 public MoreImageSpan(Drawable b) { 2405 super(b); 2406 } 2407 } 2408 2409 @Override 2410 public boolean onDown(MotionEvent e) { 2411 return false; 2412 } 2413 2414 @Override 2415 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2416 // Do nothing. 2417 return false; 2418 } 2419 2420 @Override 2421 public void onLongPress(MotionEvent event) { 2422 if (mSelectedChip != null) { 2423 return; 2424 } 2425 float x = event.getX(); 2426 float y = event.getY(); 2427 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2428 RecipientChip currentChip = findChip(offset); 2429 if (currentChip != null) { 2430 if (mDragEnabled) { 2431 // Start drag-and-drop for the selected chip. 2432 startDrag(currentChip); 2433 } else { 2434 // Copy the selected chip email address. 2435 showCopyDialog(currentChip.getEntry().getDestination()); 2436 } 2437 } 2438 } 2439 2440 /** 2441 * Enables drag-and-drop for chips. 2442 */ 2443 public void enableDrag() { 2444 mDragEnabled = true; 2445 } 2446 2447 /** 2448 * Starts drag-and-drop for the selected chip. 2449 */ 2450 private void startDrag(RecipientChip currentChip) { 2451 String address = currentChip.getEntry().getDestination(); 2452 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2453 2454 // Start drag mode. 2455 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2456 2457 // Remove the current chip, so drag-and-drop will result in a move. 2458 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2459 removeChip(currentChip); 2460 } 2461 2462 /** 2463 * Handles drag event. 2464 */ 2465 @Override 2466 public boolean onDragEvent(DragEvent event) { 2467 switch (event.getAction()) { 2468 case DragEvent.ACTION_DRAG_STARTED: 2469 // Only handle plain text drag and drop. 2470 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2471 case DragEvent.ACTION_DRAG_ENTERED: 2472 requestFocus(); 2473 return true; 2474 case DragEvent.ACTION_DROP: 2475 handlePasteClip(event.getClipData()); 2476 return true; 2477 } 2478 return false; 2479 } 2480 2481 /** 2482 * Drag shadow for a {@link RecipientChip}. 2483 */ 2484 private final class RecipientChipShadow extends DragShadowBuilder { 2485 private final RecipientChip mChip; 2486 2487 public RecipientChipShadow(RecipientChip chip) { 2488 mChip = chip; 2489 } 2490 2491 @Override 2492 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2493 Rect rect = mChip.getDrawable().getBounds(); 2494 shadowSize.set(rect.width(), rect.height()); 2495 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2496 } 2497 2498 @Override 2499 public void onDrawShadow(Canvas canvas) { 2500 mChip.getDrawable().draw(canvas); 2501 } 2502 } 2503 2504 private void showCopyDialog(final String address) { 2505 mCopyAddress = address; 2506 mCopyDialog.setTitle(address); 2507 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2508 mCopyDialog.setCancelable(true); 2509 mCopyDialog.setCanceledOnTouchOutside(true); 2510 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2511 button.setOnClickListener(this); 2512 int btnTitleId; 2513 if (isPhoneQuery()) { 2514 btnTitleId = R.string.copy_number; 2515 } else { 2516 btnTitleId = R.string.copy_email; 2517 } 2518 String buttonTitle = getContext().getResources().getString(btnTitleId); 2519 button.setText(buttonTitle); 2520 mCopyDialog.setOnDismissListener(this); 2521 mCopyDialog.show(); 2522 } 2523 2524 @Override 2525 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2526 // Do nothing. 2527 return false; 2528 } 2529 2530 @Override 2531 public void onShowPress(MotionEvent e) { 2532 // Do nothing. 2533 } 2534 2535 @Override 2536 public boolean onSingleTapUp(MotionEvent e) { 2537 // Do nothing. 2538 return false; 2539 } 2540 2541 @Override 2542 public void onDismiss(DialogInterface dialog) { 2543 mCopyAddress = null; 2544 } 2545 2546 @Override 2547 public void onClick(View v) { 2548 // Copy this to the clipboard. 2549 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2550 Context.CLIPBOARD_SERVICE); 2551 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2552 mCopyDialog.dismiss(); 2553 } 2554 2555 protected boolean isPhoneQuery() { 2556 return ((BaseRecipientAdapter)getAdapter()).getQueryType() == 2557 BaseRecipientAdapter.QUERY_TYPE_PHONE; 2558 } 2559} 2560