RecipientEditTextView.java revision 0120ebce96fa9c00e730b65ca8909f65b3b4d55b
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.content.res.Resources; 27import android.content.res.TypedArray; 28import android.graphics.Bitmap; 29import android.graphics.BitmapFactory; 30import android.graphics.Canvas; 31import android.graphics.Matrix; 32import android.graphics.Point; 33import android.graphics.Rect; 34import android.graphics.RectF; 35import android.graphics.drawable.BitmapDrawable; 36import android.graphics.drawable.Drawable; 37import android.os.AsyncTask; 38import android.os.Handler; 39import android.os.Message; 40import android.os.Parcelable; 41import android.text.Editable; 42import android.text.InputType; 43import android.text.Layout; 44import android.text.Spannable; 45import android.text.SpannableString; 46import android.text.SpannableStringBuilder; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.Patterns; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.ListAdapter; 76import android.widget.ListPopupWindow; 77import android.widget.ListView; 78import android.widget.MultiAutoCompleteTextView; 79import android.widget.ScrollView; 80import android.widget.TextView; 81 82import java.util.ArrayList; 83import java.util.Arrays; 84import java.util.Collection; 85import java.util.Collections; 86import java.util.Comparator; 87import java.util.HashMap; 88import java.util.HashSet; 89import java.util.Set; 90import java.util.regex.Matcher; 91import java.util.regex.Pattern; 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 TextView.OnEditorActionListener { 101 102 private static final char COMMIT_CHAR_COMMA = ','; 103 104 private static final char NAME_WRAPPER_CHAR = '"'; 105 106 private static final char COMMIT_CHAR_SEMICOLON = ';'; 107 108 private static final char COMMIT_CHAR_SPACE = ' '; 109 110 private static final String TAG = "RecipientEditTextView"; 111 112 private static int DISMISS = "dismiss".hashCode(); 113 114 private static final long DISMISS_DELAY = 300; 115 116 // TODO: get correct number/ algorithm from with UX. 117 // Visible for testing. 118 /*package*/ static final int CHIP_LIMIT = 2; 119 120 private static final int MAX_CHIPS_PARSED = 50; 121 122 private static int sSelectedTextColor = -1; 123 124 // Resources for displaying chips. 125 private Drawable mChipBackground = null; 126 127 private Drawable mChipDelete = null; 128 129 private Drawable mInvalidChipBackground; 130 131 private Drawable mChipBackgroundPressed; 132 133 private float mChipHeight; 134 135 private float mChipFontSize; 136 137 private float mLineSpacingExtra; 138 139 private int mChipPadding; 140 141 private Tokenizer mTokenizer; 142 143 private Validator mValidator; 144 145 private RecipientChip mSelectedChip; 146 147 private int mAlternatesLayout; 148 149 private Bitmap mDefaultContactPhoto; 150 151 private ImageSpan mMoreChip; 152 153 private TextView mMoreItem; 154 155 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 156 157 private Handler mHandler; 158 159 private int mPendingChipsCount = 0; 160 161 private boolean mNoChips = false; 162 163 private ListPopupWindow mAlternatesPopup; 164 165 private ListPopupWindow mAddressPopup; 166 167 private ArrayList<RecipientChip> mTemporaryRecipients; 168 169 private ArrayList<RecipientChip> mRemovedSpans; 170 171 private boolean mShouldShrink = true; 172 173 // Chip copy fields. 174 private GestureDetector mGestureDetector; 175 176 private Dialog mCopyDialog; 177 178 private String mCopyAddress; 179 180 /** 181 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 182 * selected chip. 183 */ 184 private OnItemClickListener mAlternatesListener; 185 186 private int mCheckedItem; 187 188 private TextWatcher mTextWatcher; 189 190 // Obtain the enclosing scroll view, if it exists, so that the view can be 191 // scrolled to show the last line of chips content. 192 private ScrollView mScrollView; 193 194 private boolean mTriedGettingScrollView; 195 196 private boolean mDragEnabled = false; 197 198 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 199 // parens, so numbers such as "1 (425) 222-2342" match. 200 private static final Pattern PHONE_PATTERN 201 = Pattern.compile( // sdd = space, dot, or dash 202 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 203 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 204 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 205 206 207 private final Runnable mAddTextWatcher = new Runnable() { 208 @Override 209 public void run() { 210 if (mTextWatcher == null) { 211 mTextWatcher = new RecipientTextWatcher(); 212 addTextChangedListener(mTextWatcher); 213 } 214 } 215 }; 216 217 private IndividualReplacementTask mIndividualReplacements; 218 219 private Runnable mHandlePendingChips = new Runnable() { 220 221 @Override 222 public void run() { 223 handlePendingChips(); 224 } 225 226 }; 227 228 private Runnable mDelayedShrink = new Runnable() { 229 230 @Override 231 public void run() { 232 shrink(); 233 } 234 235 }; 236 237 public RecipientEditTextView(Context context, AttributeSet attrs) { 238 super(context, attrs); 239 setChipDimensions(context, attrs); 240 if (sSelectedTextColor == -1) { 241 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 242 } 243 mAlternatesPopup = new ListPopupWindow(context); 244 mAddressPopup = new ListPopupWindow(context); 245 mCopyDialog = new Dialog(context); 246 mAlternatesListener = new OnItemClickListener() { 247 @Override 248 public void onItemClick(AdapterView<?> adapterView,View view, int position, 249 long rowId) { 250 mAlternatesPopup.setOnItemClickListener(null); 251 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 252 .getRecipientEntry(position)); 253 Message delayed = Message.obtain(mHandler, DISMISS); 254 delayed.obj = mAlternatesPopup; 255 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 256 clearComposingText(); 257 } 258 }; 259 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 260 setOnItemClickListener(this); 261 setCustomSelectionActionModeCallback(this); 262 mHandler = new Handler() { 263 @Override 264 public void handleMessage(Message msg) { 265 if (msg.what == DISMISS) { 266 ((ListPopupWindow) msg.obj).dismiss(); 267 return; 268 } 269 super.handleMessage(msg); 270 } 271 }; 272 mTextWatcher = new RecipientTextWatcher(); 273 addTextChangedListener(mTextWatcher); 274 mGestureDetector = new GestureDetector(context, this); 275 setOnEditorActionListener(this); 276 } 277 278 @Override 279 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 280 if (action == EditorInfo.IME_ACTION_DONE) { 281 if (commitDefault()) { 282 return true; 283 } 284 if (mSelectedChip != null) { 285 clearSelectedChip(); 286 return true; 287 } else if (focusNext()) { 288 return true; 289 } 290 } 291 return false; 292 } 293 294 @Override 295 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 296 InputConnection connection = super.onCreateInputConnection(outAttrs); 297 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 298 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 299 // clear the existing action 300 outAttrs.imeOptions ^= imeActions; 301 // set the DONE action 302 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 303 } 304 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 305 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 306 } 307 outAttrs.actionLabel = getContext().getString(R.string.done); 308 return connection; 309 } 310 311 /*package*/ RecipientChip getLastChip() { 312 RecipientChip last = null; 313 RecipientChip[] chips = getSortedRecipients(); 314 if (chips != null && chips.length > 0) { 315 last = chips[chips.length - 1]; 316 } 317 return last; 318 } 319 320 @Override 321 public void onSelectionChanged(int start, int end) { 322 // When selection changes, see if it is inside the chips area. 323 // If so, move the cursor back after the chips again. 324 RecipientChip last = getLastChip(); 325 if (last != null && start < getSpannable().getSpanEnd(last)) { 326 // Grab the last chip and set the cursor to after it. 327 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 328 } 329 super.onSelectionChanged(start, end); 330 } 331 332 @Override 333 public void onRestoreInstanceState(Parcelable state) { 334 if (!TextUtils.isEmpty(getText())) { 335 super.onRestoreInstanceState(null); 336 } else { 337 super.onRestoreInstanceState(state); 338 } 339 } 340 341 @Override 342 public Parcelable onSaveInstanceState() { 343 // If the user changes orientation while they are editing, just roll back the selection. 344 clearSelectedChip(); 345 return super.onSaveInstanceState(); 346 } 347 348 /** 349 * Convenience method: Append the specified text slice to the TextView's 350 * display buffer, upgrading it to BufferType.EDITABLE if it was 351 * not already editable. Commas are excluded as they are added automatically 352 * by the view. 353 */ 354 @Override 355 public void append(CharSequence text, int start, int end) { 356 // We don't care about watching text changes while appending. 357 if (mTextWatcher != null) { 358 removeTextChangedListener(mTextWatcher); 359 } 360 super.append(text, start, end); 361 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 362 String displayString = text.toString(); 363 int separatorPos = displayString.lastIndexOf(COMMIT_CHAR_COMMA); 364 // Verify that the separator pos is not within ""; if it is, look 365 // past the closing quote. If there is no comma past ", this string 366 // will resolve to an error chip. 367 if (separatorPos > -1) { 368 String parseDisplayString = displayString.substring(separatorPos); 369 int endQuotedTextPos = parseDisplayString.indexOf(NAME_WRAPPER_CHAR); 370 if (endQuotedTextPos > separatorPos) { 371 separatorPos = parseDisplayString.lastIndexOf(COMMIT_CHAR_COMMA, 372 endQuotedTextPos); 373 } 374 } 375 if (!TextUtils.isEmpty(displayString) 376 && TextUtils.getTrimmedLength(displayString) > 0) { 377 mPendingChipsCount++; 378 mPendingChips.add(text.toString()); 379 } 380 } 381 // Put a message on the queue to make sure we ALWAYS handle pending 382 // chips. 383 if (mPendingChipsCount > 0) { 384 postHandlePendingChips(); 385 } 386 mHandler.post(mAddTextWatcher); 387 } 388 389 @Override 390 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 391 super.onFocusChanged(hasFocus, direction, previous); 392 if (!hasFocus) { 393 shrink(); 394 } else { 395 expand(); 396 } 397 } 398 399 @Override 400 public void performValidation() { 401 // Do nothing. Chips handles its own validation. 402 } 403 404 private void shrink() { 405 if (mTokenizer == null) { 406 return; 407 } 408 if (mSelectedChip != null 409 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 410 clearSelectedChip(); 411 } else { 412 if (getWidth() <= 0) { 413 // We don't have the width yet which means the view hasn't been drawn yet 414 // and there is no reason to attempt to commit chips yet. 415 // This focus lost must be the result of an orientation change 416 // or an initial rendering. 417 // Re-post the shrink for later. 418 mHandler.removeCallbacks(mDelayedShrink); 419 mHandler.post(mDelayedShrink); 420 return; 421 } 422 // Reset any pending chips as they would have been handled 423 // when the field lost focus. 424 if (mPendingChipsCount > 0) { 425 postHandlePendingChips(); 426 } else { 427 Editable editable = getText(); 428 int end = getSelectionEnd(); 429 int start = mTokenizer.findTokenStart(editable, end); 430 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 431 if ((chips == null || chips.length == 0)) { 432 Editable text = getText(); 433 int whatEnd = mTokenizer.findTokenEnd(text, start); 434 // This token was already tokenized, so skip past the ending token. 435 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 436 whatEnd++; 437 } 438 // In the middle of chip; treat this as an edit 439 // and commit the whole token. 440 int selEnd = getSelectionEnd(); 441 if (whatEnd != selEnd) { 442 handleEdit(start, whatEnd); 443 } else { 444 commitChip(start, end, editable); 445 } 446 } 447 } 448 mHandler.post(mAddTextWatcher); 449 } 450 createMoreChip(); 451 } 452 453 private void expand() { 454 removeMoreChip(); 455 setCursorVisible(true); 456 Editable text = getText(); 457 setSelection(text != null && text.length() > 0 ? text.length() : 0); 458 // If there are any temporary chips, try replacing them now that the user 459 // has expanded the field. 460 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 461 new RecipientReplacementTask().execute(); 462 mTemporaryRecipients = null; 463 } 464 } 465 466 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 467 paint.setTextSize(mChipFontSize); 468 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 469 Log.d(TAG, "Max width is negative: " + maxWidth); 470 } 471 return TextUtils.ellipsize(text, paint, maxWidth, 472 TextUtils.TruncateAt.END); 473 } 474 475 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 476 // Ellipsize the text so that it takes AT MOST the entire width of the 477 // autocomplete text entry area. Make sure to leave space for padding 478 // on the sides. 479 int height = (int) mChipHeight; 480 int deleteWidth = height; 481 float[] widths = new float[1]; 482 paint.getTextWidths(" ", widths); 483 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 484 calculateAvailableWidth(true) - deleteWidth - widths[0]); 485 486 // Make sure there is a minimum chip width so the user can ALWAYS 487 // tap a chip without difficulty. 488 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 489 ellipsizedText.length())) 490 + (mChipPadding * 2) + deleteWidth); 491 492 // Create the background of the chip. 493 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 494 Canvas canvas = new Canvas(tmpBitmap); 495 if (mChipBackgroundPressed != null) { 496 mChipBackgroundPressed.setBounds(0, 0, width, height); 497 mChipBackgroundPressed.draw(canvas); 498 paint.setColor(sSelectedTextColor); 499 // Vertically center the text in the chip. 500 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 501 getTextYOffset((String) ellipsizedText, paint, height), paint); 502 // Make the delete a square. 503 Rect backgroundPadding = new Rect(); 504 mChipBackgroundPressed.getPadding(backgroundPadding); 505 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 506 0 + backgroundPadding.top, 507 width - backgroundPadding.right, 508 height - backgroundPadding.bottom); 509 mChipDelete.draw(canvas); 510 } else { 511 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 512 } 513 return tmpBitmap; 514 } 515 516 517 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 518 // Ellipsize the text so that it takes AT MOST the entire width of the 519 // autocomplete text entry area. Make sure to leave space for padding 520 // on the sides. 521 int height = (int) mChipHeight; 522 int iconWidth = height; 523 float[] widths = new float[1]; 524 paint.getTextWidths(" ", widths); 525 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 526 calculateAvailableWidth(false) - iconWidth - widths[0]); 527 // Make sure there is a minimum chip width so the user can ALWAYS 528 // tap a chip without difficulty. 529 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 530 ellipsizedText.length())) 531 + (mChipPadding * 2) + iconWidth); 532 533 // Create the background of the chip. 534 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 535 Canvas canvas = new Canvas(tmpBitmap); 536 Drawable background = getChipBackground(contact); 537 if (background != null) { 538 background.setBounds(0, 0, width, height); 539 background.draw(canvas); 540 541 // Don't draw photos for recipients that have been typed in. 542 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 543 byte[] photoBytes = contact.getPhotoBytes(); 544 // There may not be a photo yet if anything but the first contact address 545 // was selected. 546 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 547 // TODO: cache this in the recipient entry? 548 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 549 .getPhotoThumbnailUri()); 550 photoBytes = contact.getPhotoBytes(); 551 } 552 553 Bitmap photo; 554 if (photoBytes != null) { 555 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 556 } else { 557 // TODO: can the scaled down default photo be cached? 558 photo = mDefaultContactPhoto; 559 } 560 // Draw the photo on the left side. 561 if (photo != null) { 562 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 563 Rect backgroundPadding = new Rect(); 564 mChipBackground.getPadding(backgroundPadding); 565 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 566 0 + backgroundPadding.top, 567 width - backgroundPadding.right, 568 height - backgroundPadding.bottom); 569 Matrix matrix = new Matrix(); 570 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 571 canvas.drawBitmap(photo, matrix, paint); 572 } 573 } else { 574 // Don't leave any space for the icon. It isn't being drawn. 575 iconWidth = 0; 576 } 577 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 578 // Vertically center the text in the chip. 579 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 580 getTextYOffset((String)ellipsizedText, paint, height), paint); 581 } else { 582 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 583 } 584 return tmpBitmap; 585 } 586 587 /** 588 * Get the background drawable for a RecipientChip. 589 */ 590 // Visible for testing. 591 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 592 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 593 mChipBackground : mInvalidChipBackground; 594 } 595 596 private float getTextYOffset(String text, TextPaint paint, int height) { 597 Rect bounds = new Rect(); 598 paint.getTextBounds(text, 0, text.length(), bounds); 599 int textHeight = bounds.bottom - bounds.top ; 600 return height - ((height - textHeight) / 2) - (int)paint.descent(); 601 } 602 603 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 604 throws NullPointerException { 605 if (mChipBackground == null) { 606 throw new NullPointerException( 607 "Unable to render any chips as setChipDimensions was not called."); 608 } 609 Layout layout = getLayout(); 610 611 TextPaint paint = getPaint(); 612 float defaultSize = paint.getTextSize(); 613 int defaultColor = paint.getColor(); 614 615 Bitmap tmpBitmap; 616 if (pressed) { 617 tmpBitmap = createSelectedChip(contact, paint, layout); 618 619 } else { 620 tmpBitmap = createUnselectedChip(contact, paint, layout); 621 } 622 623 // Pass the full text, un-ellipsized, to the chip. 624 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 625 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 626 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 627 // Return text to the original size. 628 paint.setTextSize(defaultSize); 629 paint.setColor(defaultColor); 630 return recipientChip; 631 } 632 633 /** 634 * Calculate the bottom of the line the chip will be located on using: 635 * 1) which line the chip appears on 636 * 2) the height of a chip 637 * 3) padding built into the edit text view 638 */ 639 private int calculateOffsetFromBottom(int line) { 640 // Line offsets start at zero. 641 int actualLine = getLineCount() - (line + 1); 642 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 643 + getDropDownVerticalOffset(); 644 } 645 646 /** 647 * Get the max amount of space a chip can take up. The formula takes into 648 * account the width of the EditTextView, any view padding, and padding 649 * that will be added to the chip. 650 */ 651 private float calculateAvailableWidth(boolean pressed) { 652 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 653 } 654 655 656 private void setChipDimensions(Context context, AttributeSet attrs) { 657 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 658 0); 659 Resources r = getContext().getResources(); 660 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 661 if (mChipBackground == null) { 662 mChipBackground = r.getDrawable(R.drawable.chip_background); 663 } 664 mChipBackgroundPressed = a 665 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 666 if (mChipBackgroundPressed == null) { 667 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 668 } 669 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 670 if (mChipDelete == null) { 671 mChipDelete = r.getDrawable(R.drawable.chip_delete); 672 } 673 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 674 if (mChipPadding == -1) { 675 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 676 } 677 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 678 -1); 679 if (mAlternatesLayout == -1) { 680 mAlternatesLayout = R.layout.chips_alternate_item; 681 } 682 683 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 684 685 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 686 687 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 688 if (mChipHeight == -1) { 689 mChipHeight = r.getDimension(R.dimen.chip_height); 690 } 691 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 692 if (mChipFontSize == -1) { 693 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 694 } 695 mInvalidChipBackground = a 696 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 697 if (mInvalidChipBackground == null) { 698 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 699 } 700 mLineSpacingExtra = context.getResources().getDimension(R.dimen.line_spacing_extra); 701 a.recycle(); 702 } 703 704 // Visible for testing. 705 /* package */ void setMoreItem(TextView moreItem) { 706 mMoreItem = moreItem; 707 } 708 709 710 // Visible for testing. 711 /* package */ void setChipBackground(Drawable chipBackground) { 712 mChipBackground = chipBackground; 713 } 714 715 // Visible for testing. 716 /* package */ void setChipHeight(int height) { 717 mChipHeight = height; 718 } 719 720 /** 721 * Set whether to shrink the recipients field such that at most 722 * one line of recipients chips are shown when the field loses 723 * focus. By default, the number of displayed recipients will be 724 * limited and a "more" chip will be shown when focus is lost. 725 * @param shrink 726 */ 727 public void setOnFocusListShrinkRecipients(boolean shrink) { 728 mShouldShrink = shrink; 729 } 730 731 @Override 732 public void onSizeChanged(int width, int height, int oldw, int oldh) { 733 super.onSizeChanged(width, height, oldw, oldh); 734 if (width != 0 && height != 0) { 735 if (mPendingChipsCount > 0) { 736 postHandlePendingChips(); 737 } else { 738 checkChipWidths(); 739 } 740 } 741 // Try to find the scroll view parent, if it exists. 742 if (mScrollView == null && !mTriedGettingScrollView) { 743 ViewParent parent = getParent(); 744 while (parent != null && !(parent instanceof ScrollView)) { 745 parent = parent.getParent(); 746 } 747 if (parent != null) { 748 mScrollView = (ScrollView) parent; 749 } 750 mTriedGettingScrollView = true; 751 } 752 } 753 754 private void postHandlePendingChips() { 755 mHandler.removeCallbacks(mHandlePendingChips); 756 mHandler.post(mHandlePendingChips); 757 } 758 759 private void checkChipWidths() { 760 // Check the widths of the associated chips. 761 RecipientChip[] chips = getSortedRecipients(); 762 if (chips != null) { 763 Rect bounds; 764 for (RecipientChip chip : chips) { 765 bounds = chip.getDrawable().getBounds(); 766 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 767 // Need to redraw that chip. 768 replaceChip(chip, chip.getEntry()); 769 } 770 } 771 } 772 } 773 774 // Visible for testing. 775 /*package*/ void handlePendingChips() { 776 if (getViewWidth() <= 0) { 777 // The widget has not been sized yet. 778 // This will be called as a result of onSizeChanged 779 // at a later point. 780 return; 781 } 782 if (mPendingChipsCount <= 0) { 783 return; 784 } 785 786 synchronized (mPendingChips) { 787 Editable editable = getText(); 788 // Tokenize! 789 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 790 for (int i = 0; i < mPendingChips.size(); i++) { 791 String current = mPendingChips.get(i); 792 int tokenStart = editable.toString().indexOf(current); 793 int tokenEnd = tokenStart + current.length(); 794 if (tokenStart >= 0) { 795 // When we have a valid token, include it with the token 796 // to the left. 797 if (tokenEnd < editable.length() - 2 798 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 799 tokenEnd++; 800 } 801 createReplacementChip(tokenStart, tokenEnd, editable); 802 } 803 mPendingChipsCount--; 804 } 805 sanitizeEnd(); 806 } else { 807 mNoChips = true; 808 } 809 810 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 811 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 812 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 813 new RecipientReplacementTask().execute(); 814 mTemporaryRecipients = null; 815 } else { 816 // Create the "more" chip 817 mIndividualReplacements = new IndividualReplacementTask(); 818 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 819 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 820 821 createMoreChip(); 822 } 823 } else { 824 // There are too many recipients to look up, so just fall back 825 // to showing addresses for all of them. 826 mTemporaryRecipients = null; 827 createMoreChip(); 828 } 829 mPendingChipsCount = 0; 830 mPendingChips.clear(); 831 } 832 } 833 834 // Visible for testing. 835 /*package*/ int getViewWidth() { 836 return getWidth(); 837 } 838 839 /** 840 * Remove any characters after the last valid chip. 841 */ 842 // Visible for testing. 843 /*package*/ void sanitizeEnd() { 844 // Don't sanitize while we are waiting for pending chips to complete. 845 if (mPendingChipsCount > 0) { 846 return; 847 } 848 // Find the last chip; eliminate any commit characters after it. 849 RecipientChip[] chips = getSortedRecipients(); 850 if (chips != null && chips.length > 0) { 851 int end; 852 ImageSpan lastSpan; 853 mMoreChip = getMoreChip(); 854 if (mMoreChip != null) { 855 lastSpan = mMoreChip; 856 } else { 857 lastSpan = getLastChip(); 858 } 859 end = getSpannable().getSpanEnd(lastSpan); 860 Editable editable = getText(); 861 int length = editable.length(); 862 if (length > end) { 863 // See what characters occur after that and eliminate them. 864 if (Log.isLoggable(TAG, Log.DEBUG)) { 865 Log.d(TAG, "There were extra characters after the last tokenizable entry." 866 + editable); 867 } 868 editable.delete(end + 1, length); 869 } 870 } 871 } 872 873 /** 874 * Create a chip that represents just the email address of a recipient. At some later 875 * point, this chip will be attached to a real contact entry, if one exists. 876 */ 877 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 878 if (alreadyHasChip(tokenStart, tokenEnd)) { 879 // There is already a chip present at this location. 880 // Don't recreate it. 881 return; 882 } 883 String token = editable.toString().substring(tokenStart, tokenEnd); 884 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 885 if (commitCharIndex == token.length() - 1) { 886 token = token.substring(0, token.length() - 1); 887 } 888 RecipientEntry entry = createTokenizedEntry(token); 889 if (entry != null) { 890 String destText = createAddressText(entry); 891 // Always leave a blank space at the end of a chip. 892 int textLength = destText.length() - 1; 893 SpannableString chipText = new SpannableString(destText); 894 int end = getSelectionEnd(); 895 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 896 RecipientChip chip = null; 897 try { 898 if (!mNoChips) { 899 chip = constructChipSpan(entry, start, false); 900 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 901 } 902 } catch (NullPointerException e) { 903 Log.e(TAG, e.getMessage(), e); 904 } 905 editable.replace(tokenStart, tokenEnd, chipText); 906 // Add this chip to the list of entries "to replace" 907 if (chip != null) { 908 if (mTemporaryRecipients == null) { 909 mTemporaryRecipients = new ArrayList<RecipientChip>(); 910 } 911 chip.setOriginalText(chipText.toString()); 912 mTemporaryRecipients.add(chip); 913 } 914 } 915 } 916 917 private static boolean isPhoneNumber(String number) { 918 // TODO: replace this function with libphonenumber's isPossibleNumber (see 919 // PhoneNumberUtil). One complication is that it requires the sender's region which 920 // comes from the CurrentCountryIso. For now, let's just do this simple match. 921 if (TextUtils.isEmpty(number)) { 922 return false; 923 } 924 925 Matcher match = PHONE_PATTERN.matcher(number); 926 return match.matches(); 927 } 928 929 private RecipientEntry createTokenizedEntry(String token) { 930 if (TextUtils.isEmpty(token)) { 931 return null; 932 } 933 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 934 String display = null; 935 if (isPhoneQuery()) { 936 // The number often arrives as "(800) 123-1231, ". 937 // Trim the space and trailing comma if necessary. 938 token = token.trim(); 939 char charAt = token.charAt(token.length() - 1); 940 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 941 token = token.substring(0, token.length() - 1); 942 } 943 944 // look for something that looks like a phone number. At this point, the original 945 // token might have looked like this: "Fred Flinstone <(800) 425-2323>" 946 if (!isPhoneNumber(token) && isValid(token) && tokens != null && tokens.length > 0) { 947 for (int i = 0; i < tokens.length; i++) { 948 // If we can get a phone number from tokenizing, then generate an entry from 949 // this. 950 display = tokens[i].getName(); 951 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 952 return RecipientEntry.constructGeneratedEntry(display, display); 953 } else { 954 display = tokens[i].getAddress(); 955 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 956 return RecipientEntry.constructFakeEntry(display); 957 } 958 } 959 } 960 } 961 // If the original token is a phone number to start with or as a last resort, use the 962 // original token. 963 return RecipientEntry.constructFakeEntry(token); 964 } 965 if (isValid(token) && tokens != null && tokens.length > 0) { 966 // If we can get a name from tokenizing, then generate an entry from 967 // this. 968 display = tokens[0].getName(); 969 if (!TextUtils.isEmpty(display)) { 970 return RecipientEntry.constructGeneratedEntry(display, token); 971 } else { 972 display = tokens[0].getAddress(); 973 if (!TextUtils.isEmpty(display)) { 974 return RecipientEntry.constructFakeEntry(display); 975 } 976 } 977 } 978 // Unable to validate the token or to create a valid token from it. 979 // Just create a chip the user can edit. 980 String validatedToken = null; 981 if (mValidator != null && !mValidator.isValid(token)) { 982 // Try fixing up the entry using the validator. 983 validatedToken = mValidator.fixText(token).toString(); 984 if (!TextUtils.isEmpty(validatedToken)) { 985 if (validatedToken.contains(token)) { 986 // protect against the case of a validator with a null domain, 987 // which doesn't add a domain to the token 988 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 989 if (tokenized.length > 0) { 990 validatedToken = tokenized[0].getAddress(); 991 } 992 } else { 993 // We ran into a case where the token was invalid and removed 994 // by the validator. In this case, just use the original token 995 // and let the user sort out the error chip. 996 validatedToken = null; 997 } 998 } 999 } 1000 // Otherwise, fallback to just creating an editable email address chip. 1001 return RecipientEntry 1002 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 1003 } 1004 1005 private boolean isValid(String text) { 1006 return mValidator == null ? true : mValidator.isValid(text); 1007 } 1008 1009 private String tokenizeAddress(String destination) { 1010 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1011 if (tokens != null && tokens.length > 0) { 1012 return tokens[0].getAddress(); 1013 } 1014 return destination; 1015 } 1016 1017 @Override 1018 public void setTokenizer(Tokenizer tokenizer) { 1019 mTokenizer = tokenizer; 1020 super.setTokenizer(mTokenizer); 1021 } 1022 1023 @Override 1024 public void setValidator(Validator validator) { 1025 mValidator = validator; 1026 super.setValidator(validator); 1027 } 1028 1029 /** 1030 * We cannot use the default mechanism for replaceText. Instead, 1031 * we override onItemClickListener so we can get all the associated 1032 * contact information including display text, address, and id. 1033 */ 1034 @Override 1035 protected void replaceText(CharSequence text) { 1036 return; 1037 } 1038 1039 /** 1040 * Dismiss any selected chips when the back key is pressed. 1041 */ 1042 @Override 1043 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1044 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1045 clearSelectedChip(); 1046 return true; 1047 } 1048 return super.onKeyPreIme(keyCode, event); 1049 } 1050 1051 /** 1052 * Monitor key presses in this view to see if the user types 1053 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1054 * If the user has entered text that has contact matches and types 1055 * a commit key, create a chip from the topmost matching contact. 1056 * If the user has entered text that has no contact matches and types 1057 * a commit key, then create a chip from the text they have entered. 1058 */ 1059 @Override 1060 public boolean onKeyUp(int keyCode, KeyEvent event) { 1061 switch (keyCode) { 1062 case KeyEvent.KEYCODE_ENTER: 1063 case KeyEvent.KEYCODE_DPAD_CENTER: 1064 if (event.hasNoModifiers()) { 1065 if (commitDefault()) { 1066 return true; 1067 } 1068 if (mSelectedChip != null) { 1069 clearSelectedChip(); 1070 return true; 1071 } else if (focusNext()) { 1072 return true; 1073 } 1074 } 1075 break; 1076 case KeyEvent.KEYCODE_TAB: 1077 if (event.hasNoModifiers()) { 1078 if (mSelectedChip != null) { 1079 clearSelectedChip(); 1080 } else { 1081 commitDefault(); 1082 } 1083 if (focusNext()) { 1084 return true; 1085 } 1086 } 1087 break; 1088 } 1089 return super.onKeyUp(keyCode, event); 1090 } 1091 1092 private boolean focusNext() { 1093 View next = focusSearch(View.FOCUS_DOWN); 1094 if (next != null) { 1095 next.requestFocus(); 1096 return true; 1097 } 1098 return false; 1099 } 1100 1101 /** 1102 * Create a chip from the default selection. If the popup is showing, the 1103 * default is the first item in the popup suggestions list. Otherwise, it is 1104 * whatever the user had typed in. End represents where the the tokenizer 1105 * should search for a token to turn into a chip. 1106 * @return If a chip was created from a real contact. 1107 */ 1108 private boolean commitDefault() { 1109 // If there is no tokenizer, don't try to commit. 1110 if (mTokenizer == null) { 1111 return false; 1112 } 1113 Editable editable = getText(); 1114 int end = getSelectionEnd(); 1115 int start = mTokenizer.findTokenStart(editable, end); 1116 1117 if (shouldCreateChip(start, end)) { 1118 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1119 // In the middle of chip; treat this as an edit 1120 // and commit the whole token. 1121 if (whatEnd != getSelectionEnd()) { 1122 handleEdit(start, whatEnd); 1123 return true; 1124 } 1125 return commitChip(start, end , editable); 1126 } 1127 return false; 1128 } 1129 1130 private void commitByCharacter() { 1131 // We can't possibly commit by character if we can't tokenize. 1132 if (mTokenizer == null) { 1133 return; 1134 } 1135 Editable editable = getText(); 1136 int end = getSelectionEnd(); 1137 int start = mTokenizer.findTokenStart(editable, end); 1138 if (shouldCreateChip(start, end)) { 1139 commitChip(start, end, editable); 1140 } 1141 setSelection(getText().length()); 1142 } 1143 1144 private boolean commitChip(int start, int end, Editable editable) { 1145 ListAdapter adapter = getAdapter(); 1146 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1147 && end == getSelectionEnd() && !isPhoneQuery()) { 1148 // choose the first entry. 1149 submitItemAtPosition(0); 1150 dismissDropDown(); 1151 return true; 1152 } else { 1153 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1154 if (editable.length() > tokenEnd + 1) { 1155 char charAt = editable.charAt(tokenEnd + 1); 1156 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1157 tokenEnd++; 1158 } 1159 } 1160 String text = editable.toString().substring(start, tokenEnd).trim(); 1161 clearComposingText(); 1162 if (text != null && text.length() > 0 && !text.equals(" ")) { 1163 RecipientEntry entry = createTokenizedEntry(text); 1164 if (entry != null) { 1165 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1166 CharSequence chipText = createChip(entry, false); 1167 if (chipText != null && start > -1 && end > -1) { 1168 editable.replace(start, end, chipText); 1169 } 1170 } 1171 // Only dismiss the dropdown if it is related to the text we 1172 // just committed. 1173 // For paste, it may not be as there are possibly multiple 1174 // tokens being added. 1175 if (end == getSelectionEnd()) { 1176 dismissDropDown(); 1177 } 1178 sanitizeBetween(); 1179 return true; 1180 } 1181 } 1182 return false; 1183 } 1184 1185 // Visible for testing. 1186 /* package */ void sanitizeBetween() { 1187 // Don't sanitize while we are waiting for content to chipify. 1188 if (mPendingChipsCount > 0) { 1189 return; 1190 } 1191 // Find the last chip. 1192 RecipientChip[] recips = getSortedRecipients(); 1193 if (recips != null && recips.length > 0) { 1194 RecipientChip last = recips[recips.length - 1]; 1195 RecipientChip beforeLast = null; 1196 if (recips.length > 1) { 1197 beforeLast = recips[recips.length - 2]; 1198 } 1199 int startLooking = 0; 1200 int end = getSpannable().getSpanStart(last); 1201 if (beforeLast != null) { 1202 startLooking = getSpannable().getSpanEnd(beforeLast); 1203 Editable text = getText(); 1204 if (startLooking == -1 || startLooking > text.length() - 1) { 1205 // There is nothing after this chip. 1206 return; 1207 } 1208 if (text.charAt(startLooking) == ' ') { 1209 startLooking++; 1210 } 1211 } 1212 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1213 getText().delete(startLooking, end); 1214 } 1215 } 1216 } 1217 1218 private boolean shouldCreateChip(int start, int end) { 1219 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1220 } 1221 1222 private boolean alreadyHasChip(int start, int end) { 1223 if (mNoChips) { 1224 return true; 1225 } 1226 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1227 if ((chips == null || chips.length == 0)) { 1228 return false; 1229 } 1230 return true; 1231 } 1232 1233 private void handleEdit(int start, int end) { 1234 if (start == -1 || end == -1) { 1235 // This chip no longer exists in the field. 1236 dismissDropDown(); 1237 return; 1238 } 1239 // This is in the middle of a chip, so select out the whole chip 1240 // and commit it. 1241 Editable editable = getText(); 1242 setSelection(end); 1243 String text = getText().toString().substring(start, end); 1244 if (!TextUtils.isEmpty(text)) { 1245 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1246 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1247 CharSequence chipText = createChip(entry, false); 1248 int selEnd = getSelectionEnd(); 1249 if (chipText != null && start > -1 && selEnd > -1) { 1250 editable.replace(start, selEnd, chipText); 1251 } 1252 } 1253 dismissDropDown(); 1254 } 1255 1256 /** 1257 * If there is a selected chip, delegate the key events 1258 * to the selected chip. 1259 */ 1260 @Override 1261 public boolean onKeyDown(int keyCode, KeyEvent event) { 1262 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1263 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1264 mAlternatesPopup.dismiss(); 1265 } 1266 removeChip(mSelectedChip); 1267 } 1268 1269 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1270 return true; 1271 } 1272 1273 return super.onKeyDown(keyCode, event); 1274 } 1275 1276 // Visible for testing. 1277 /* package */ Spannable getSpannable() { 1278 return getText(); 1279 } 1280 1281 private int getChipStart(RecipientChip chip) { 1282 return getSpannable().getSpanStart(chip); 1283 } 1284 1285 private int getChipEnd(RecipientChip chip) { 1286 return getSpannable().getSpanEnd(chip); 1287 } 1288 1289 /** 1290 * Instead of filtering on the entire contents of the edit box, 1291 * this subclass method filters on the range from 1292 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1293 * if the length of that range meets or exceeds {@link #getThreshold} 1294 * and makes sure that the range is not already a Chip. 1295 */ 1296 @Override 1297 protected void performFiltering(CharSequence text, int keyCode) { 1298 if (enoughToFilter() && !isCompletedToken(text)) { 1299 int end = getSelectionEnd(); 1300 int start = mTokenizer.findTokenStart(text, end); 1301 // If this is a RecipientChip, don't filter 1302 // on its contents. 1303 Spannable span = getSpannable(); 1304 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1305 if (chips != null && chips.length > 0) { 1306 return; 1307 } 1308 } 1309 super.performFiltering(text, keyCode); 1310 } 1311 1312 // Visible for testing. 1313 /*package*/ boolean isCompletedToken(CharSequence text) { 1314 if (TextUtils.isEmpty(text)) { 1315 return false; 1316 } 1317 // Check to see if this is a completed token before filtering. 1318 int end = text.length(); 1319 int start = mTokenizer.findTokenStart(text, end); 1320 String token = text.toString().substring(start, end).trim(); 1321 if (!TextUtils.isEmpty(token)) { 1322 char atEnd = token.charAt(token.length() - 1); 1323 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1324 } 1325 return false; 1326 } 1327 1328 private void clearSelectedChip() { 1329 if (mSelectedChip != null) { 1330 unselectChip(mSelectedChip); 1331 mSelectedChip = null; 1332 } 1333 setCursorVisible(true); 1334 } 1335 1336 /** 1337 * Monitor touch events in the RecipientEditTextView. 1338 * If the view does not have focus, any tap on the view 1339 * will just focus the view. If the view has focus, determine 1340 * if the touch target is a recipient chip. If it is and the chip 1341 * is not selected, select it and clear any other selected chips. 1342 * If it isn't, then select that chip. 1343 */ 1344 @Override 1345 public boolean onTouchEvent(MotionEvent event) { 1346 if (!isFocused()) { 1347 // Ignore any chip taps until this view is focused. 1348 return super.onTouchEvent(event); 1349 } 1350 boolean handled = super.onTouchEvent(event); 1351 int action = event.getAction(); 1352 boolean chipWasSelected = false; 1353 if (mSelectedChip == null) { 1354 mGestureDetector.onTouchEvent(event); 1355 } 1356 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1357 float x = event.getX(); 1358 float y = event.getY(); 1359 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1360 RecipientChip currentChip = findChip(offset); 1361 if (currentChip != null) { 1362 if (action == MotionEvent.ACTION_UP) { 1363 if (mSelectedChip != null && mSelectedChip != currentChip) { 1364 clearSelectedChip(); 1365 mSelectedChip = selectChip(currentChip); 1366 } else if (mSelectedChip == null) { 1367 setSelection(getText().length()); 1368 commitDefault(); 1369 mSelectedChip = selectChip(currentChip); 1370 } else { 1371 onClick(mSelectedChip, offset, x, y); 1372 } 1373 } 1374 chipWasSelected = true; 1375 handled = true; 1376 } else if (mSelectedChip != null 1377 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1378 chipWasSelected = true; 1379 } 1380 } 1381 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1382 clearSelectedChip(); 1383 } 1384 return handled; 1385 } 1386 1387 private void scrollLineIntoView(int line) { 1388 if (mScrollView != null) { 1389 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1390 } 1391 } 1392 1393 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1394 int width, Context context) { 1395 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1396 int bottom; 1397 if (line == getLineCount() -1) { 1398 bottom = 0; 1399 } else { 1400 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1401 - line))); 1402 } 1403 // Align the alternates popup with the left side of the View, 1404 // regardless of the position of the chip tapped. 1405 alternatesPopup.setWidth(width); 1406 alternatesPopup.setAnchorView(this); 1407 alternatesPopup.setVerticalOffset(bottom); 1408 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1409 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1410 // Clear the checked item. 1411 mCheckedItem = -1; 1412 alternatesPopup.show(); 1413 ListView listView = alternatesPopup.getListView(); 1414 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1415 // Checked item would be -1 if the adapter has not 1416 // loaded the view that should be checked yet. The 1417 // variable will be set correctly when onCheckedItemChanged 1418 // is called in a separate thread. 1419 if (mCheckedItem != -1) { 1420 listView.setItemChecked(mCheckedItem, true); 1421 mCheckedItem = -1; 1422 } 1423 } 1424 1425 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1426 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1427 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1428 } 1429 1430 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1431 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1432 .getEntry()); 1433 } 1434 1435 @Override 1436 public void onCheckedItemChanged(int position) { 1437 ListView listView = mAlternatesPopup.getListView(); 1438 if (listView != null && listView.getCheckedItemCount() == 0) { 1439 listView.setItemChecked(position, true); 1440 } 1441 mCheckedItem = position; 1442 } 1443 1444 // TODO: This algorithm will need a lot of tweaking after more people have used 1445 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1446 // what comes before the finger. 1447 private int putOffsetInRange(int o) { 1448 int offset = o; 1449 Editable text = getText(); 1450 int length = text.length(); 1451 // Remove whitespace from end to find "real end" 1452 int realLength = length; 1453 for (int i = length - 1; i >= 0; i--) { 1454 if (text.charAt(i) == ' ') { 1455 realLength--; 1456 } else { 1457 break; 1458 } 1459 } 1460 1461 // If the offset is beyond or at the end of the text, 1462 // leave it alone. 1463 if (offset >= realLength) { 1464 return offset; 1465 } 1466 Editable editable = getText(); 1467 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1468 // Keep walking backward! 1469 offset--; 1470 } 1471 return offset; 1472 } 1473 1474 private int findText(Editable text, int offset) { 1475 if (text.charAt(offset) != ' ') { 1476 return offset; 1477 } 1478 return -1; 1479 } 1480 1481 private RecipientChip findChip(int offset) { 1482 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1483 // Find the chip that contains this offset. 1484 for (int i = 0; i < chips.length; i++) { 1485 RecipientChip chip = chips[i]; 1486 int start = getChipStart(chip); 1487 int end = getChipEnd(chip); 1488 if (offset >= start && offset <= end) { 1489 return chip; 1490 } 1491 } 1492 return null; 1493 } 1494 1495 // Visible for testing. 1496 // Use this method to generate text to add to the list of addresses. 1497 /* package */String createAddressText(RecipientEntry entry) { 1498 String display = entry.getDisplayName(); 1499 String address = entry.getDestination(); 1500 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1501 display = null; 1502 } 1503 String trimmedDisplayText; 1504 if (isPhoneQuery() && isPhoneNumber(address)) { 1505 trimmedDisplayText = address.trim(); 1506 } else { 1507 if (address != null) { 1508 // Tokenize out the address in case the address already 1509 // contained the username as well. 1510 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1511 if (tokenized != null && tokenized.length > 0) { 1512 address = tokenized[0].getAddress(); 1513 } 1514 } 1515 Rfc822Token token = new Rfc822Token(display, address, null); 1516 trimmedDisplayText = token.toString().trim(); 1517 } 1518 int index = trimmedDisplayText.indexOf(","); 1519 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1520 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1521 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1522 } 1523 1524 // Visible for testing. 1525 // Use this method to generate text to display in a chip. 1526 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1527 String display = entry.getDisplayName(); 1528 String address = entry.getDestination(); 1529 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1530 display = null; 1531 } 1532 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1533 // Tokenize out the address in case the address already 1534 // contained the username as well. 1535 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1536 if (tokenized != null && tokenized.length > 0) { 1537 address = tokenized[0].getAddress(); 1538 } 1539 } 1540 if (!TextUtils.isEmpty(display)) { 1541 return display; 1542 } else if (!TextUtils.isEmpty(address)){ 1543 return address; 1544 } else { 1545 return new Rfc822Token(display, address, null).toString(); 1546 } 1547 } 1548 1549 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1550 String displayText = createAddressText(entry); 1551 if (TextUtils.isEmpty(displayText)) { 1552 return null; 1553 } 1554 SpannableString chipText = null; 1555 // Always leave a blank space at the end of a chip. 1556 int end = getSelectionEnd(); 1557 int start = mTokenizer.findTokenStart(getText(), end); 1558 int textLength = displayText.length()-1; 1559 chipText = new SpannableString(displayText); 1560 if (!mNoChips) { 1561 try { 1562 RecipientChip chip = constructChipSpan(entry, start, pressed); 1563 chipText.setSpan(chip, 0, textLength, 1564 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1565 chip.setOriginalText(chipText.toString()); 1566 } catch (NullPointerException e) { 1567 Log.e(TAG, e.getMessage(), e); 1568 return null; 1569 } 1570 } 1571 return chipText; 1572 } 1573 1574 /** 1575 * When an item in the suggestions list has been clicked, create a chip from the 1576 * contact information of the selected item. 1577 */ 1578 @Override 1579 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1580 submitItemAtPosition(position); 1581 } 1582 1583 private void submitItemAtPosition(int position) { 1584 RecipientEntry entry = createValidatedEntry( 1585 (RecipientEntry)getAdapter().getItem(position)); 1586 if (entry == null) { 1587 return; 1588 } 1589 clearComposingText(); 1590 1591 int end = getSelectionEnd(); 1592 int start = mTokenizer.findTokenStart(getText(), end); 1593 1594 Editable editable = getText(); 1595 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1596 CharSequence chip = createChip(entry, false); 1597 if (chip != null && start >= 0 && end >= 0) { 1598 editable.replace(start, end, chip); 1599 } 1600 sanitizeBetween(); 1601 } 1602 1603 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1604 if (item == null) { 1605 return null; 1606 } 1607 final RecipientEntry entry; 1608 // If the display name and the address are the same, or if this is a 1609 // valid contact, but the destination is invalid, then make this a fake 1610 // recipient that is editable. 1611 String destination = item.getDestination(); 1612 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1613 && (TextUtils.isEmpty(item.getDisplayName()) 1614 || TextUtils.equals(item.getDisplayName(), destination) 1615 || (mValidator != null && !mValidator.isValid(destination)))) { 1616 entry = RecipientEntry.constructFakeEntry(destination); 1617 } else { 1618 entry = item; 1619 } 1620 return entry; 1621 } 1622 1623 /** Returns a collection of contact Id for each chip inside this View. */ 1624 /* package */ Collection<Long> getContactIds() { 1625 final Set<Long> result = new HashSet<Long>(); 1626 RecipientChip[] chips = getSortedRecipients(); 1627 if (chips != null) { 1628 for (RecipientChip chip : chips) { 1629 result.add(chip.getContactId()); 1630 } 1631 } 1632 return result; 1633 } 1634 1635 1636 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1637 /* package */ Collection<Long> getDataIds() { 1638 final Set<Long> result = new HashSet<Long>(); 1639 RecipientChip [] chips = getSortedRecipients(); 1640 if (chips != null) { 1641 for (RecipientChip chip : chips) { 1642 result.add(chip.getDataId()); 1643 } 1644 } 1645 return result; 1646 } 1647 1648 // Visible for testing. 1649 /* package */RecipientChip[] getSortedRecipients() { 1650 RecipientChip[] recips = getSpannable() 1651 .getSpans(0, getText().length(), RecipientChip.class); 1652 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1653 .asList(recips)); 1654 final Spannable spannable = getSpannable(); 1655 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1656 1657 @Override 1658 public int compare(RecipientChip first, RecipientChip second) { 1659 int firstStart = spannable.getSpanStart(first); 1660 int secondStart = spannable.getSpanStart(second); 1661 if (firstStart < secondStart) { 1662 return -1; 1663 } else if (firstStart > secondStart) { 1664 return 1; 1665 } else { 1666 return 0; 1667 } 1668 } 1669 }); 1670 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1671 } 1672 1673 @Override 1674 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1675 return false; 1676 } 1677 1678 @Override 1679 public void onDestroyActionMode(ActionMode mode) { 1680 } 1681 1682 @Override 1683 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1684 return false; 1685 } 1686 1687 /** 1688 * No chips are selectable. 1689 */ 1690 @Override 1691 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1692 return false; 1693 } 1694 1695 // Visible for testing. 1696 /* package */ImageSpan getMoreChip() { 1697 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1698 MoreImageSpan.class); 1699 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1700 } 1701 1702 private MoreImageSpan createMoreSpan(int count) { 1703 String moreText = String.format(mMoreItem.getText().toString(), count); 1704 TextPaint morePaint = new TextPaint(getPaint()); 1705 morePaint.setTextSize(mMoreItem.getTextSize()); 1706 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1707 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1708 + mMoreItem.getPaddingRight(); 1709 int height = getLineHeight(); 1710 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1711 Canvas canvas = new Canvas(drawable); 1712 int adjustedHeight = height; 1713 Layout layout = getLayout(); 1714 if (layout != null) { 1715 adjustedHeight -= layout.getLineDescent(0); 1716 } 1717 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1718 1719 Drawable result = new BitmapDrawable(getResources(), drawable); 1720 result.setBounds(0, 0, width, height); 1721 return new MoreImageSpan(result); 1722 } 1723 1724 // Visible for testing. 1725 /*package*/ void createMoreChipPlainText() { 1726 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1727 Editable text = getText(); 1728 int start = 0; 1729 int end = start; 1730 for (int i = 0; i < CHIP_LIMIT; i++) { 1731 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1732 start = end; // move to the next token and get its end. 1733 } 1734 // Now, count total addresses. 1735 start = 0; 1736 int tokenCount = countTokens(text); 1737 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1738 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1739 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1740 text.replace(end, text.length(), chipText); 1741 mMoreChip = moreSpan; 1742 } 1743 1744 // Visible for testing. 1745 /* package */int countTokens(Editable text) { 1746 int tokenCount = 0; 1747 int start = 0; 1748 while (start < text.length()) { 1749 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1750 tokenCount++; 1751 if (start >= text.length()) { 1752 break; 1753 } 1754 } 1755 return tokenCount; 1756 } 1757 1758 /** 1759 * Create the more chip. The more chip is text that replaces any chips that 1760 * do not fit in the pre-defined available space when the 1761 * RecipientEditTextView loses focus. 1762 */ 1763 // Visible for testing. 1764 /* package */ void createMoreChip() { 1765 if (mNoChips) { 1766 createMoreChipPlainText(); 1767 return; 1768 } 1769 1770 if (!mShouldShrink) { 1771 return; 1772 } 1773 1774 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1775 if (tempMore.length > 0) { 1776 getSpannable().removeSpan(tempMore[0]); 1777 } 1778 RecipientChip[] recipients = getSortedRecipients(); 1779 1780 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1781 mMoreChip = null; 1782 return; 1783 } 1784 Spannable spannable = getSpannable(); 1785 int numRecipients = recipients.length; 1786 int overage = numRecipients - CHIP_LIMIT; 1787 MoreImageSpan moreSpan = createMoreSpan(overage); 1788 mRemovedSpans = new ArrayList<RecipientChip>(); 1789 int totalReplaceStart = 0; 1790 int totalReplaceEnd = 0; 1791 Editable text = getText(); 1792 for (int i = numRecipients - overage; i < recipients.length; i++) { 1793 mRemovedSpans.add(recipients[i]); 1794 if (i == numRecipients - overage) { 1795 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1796 } 1797 if (i == recipients.length - 1) { 1798 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1799 } 1800 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1801 int spanStart = spannable.getSpanStart(recipients[i]); 1802 int spanEnd = spannable.getSpanEnd(recipients[i]); 1803 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1804 } 1805 spannable.removeSpan(recipients[i]); 1806 } 1807 if (totalReplaceEnd < text.length()) { 1808 totalReplaceEnd = text.length(); 1809 } 1810 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1811 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1812 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1813 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1814 text.replace(start, end, chipText); 1815 mMoreChip = moreSpan; 1816 } 1817 1818 /** 1819 * Replace the more chip, if it exists, with all of the recipient chips it had 1820 * replaced when the RecipientEditTextView gains focus. 1821 */ 1822 // Visible for testing. 1823 /*package*/ void removeMoreChip() { 1824 if (mMoreChip != null) { 1825 Spannable span = getSpannable(); 1826 span.removeSpan(mMoreChip); 1827 mMoreChip = null; 1828 // Re-add the spans that were removed. 1829 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1830 // Recreate each removed span. 1831 RecipientChip[] recipients = getSortedRecipients(); 1832 // Start the search for tokens after the last currently visible 1833 // chip. 1834 if (recipients == null || recipients.length == 0) { 1835 return; 1836 } 1837 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1838 Editable editable = getText(); 1839 for (RecipientChip chip : mRemovedSpans) { 1840 int chipStart; 1841 int chipEnd; 1842 String token; 1843 // Need to find the location of the chip, again. 1844 token = (String) chip.getOriginalText(); 1845 // As we find the matching recipient for the remove spans, 1846 // reduce the size of the string we need to search. 1847 // That way, if there are duplicates, we always find the correct 1848 // recipient. 1849 chipStart = editable.toString().indexOf(token, end); 1850 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1851 // Only set the span if we found a matching token. 1852 if (chipStart != -1) { 1853 editable.setSpan(chip, chipStart, chipEnd, 1854 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1855 } 1856 } 1857 mRemovedSpans.clear(); 1858 } 1859 } 1860 } 1861 1862 /** 1863 * Show specified chip as selected. If the RecipientChip is just an email address, 1864 * selecting the chip will take the contents of the chip and place it at 1865 * the end of the RecipientEditTextView for inline editing. If the 1866 * RecipientChip is a complete contact, then selecting the chip 1867 * will change the background color of the chip, show the delete icon, 1868 * and a popup window with the address in use highlighted and any other 1869 * alternate addresses for the contact. 1870 * @param currentChip Chip to select. 1871 * @return A RecipientChip in the selected state or null if the chip 1872 * just contained an email address. 1873 */ 1874 private RecipientChip selectChip(RecipientChip currentChip) { 1875 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1876 CharSequence text = currentChip.getValue(); 1877 Editable editable = getText(); 1878 removeChip(currentChip); 1879 editable.append(text); 1880 setCursorVisible(true); 1881 setSelection(editable.length()); 1882 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1883 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1884 int start = getChipStart(currentChip); 1885 int end = getChipEnd(currentChip); 1886 getSpannable().removeSpan(currentChip); 1887 RecipientChip newChip; 1888 try { 1889 if (mNoChips) { 1890 return null; 1891 } 1892 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1893 } catch (NullPointerException e) { 1894 Log.e(TAG, e.getMessage(), e); 1895 return null; 1896 } 1897 Editable editable = getText(); 1898 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1899 if (start == -1 || end == -1) { 1900 Log.d(TAG, "The chip being selected no longer exists but should."); 1901 } else { 1902 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1903 } 1904 newChip.setSelected(true); 1905 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1906 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1907 } 1908 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1909 setCursorVisible(false); 1910 return newChip; 1911 } else { 1912 int start = getChipStart(currentChip); 1913 int end = getChipEnd(currentChip); 1914 getSpannable().removeSpan(currentChip); 1915 RecipientChip newChip; 1916 try { 1917 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1918 } catch (NullPointerException e) { 1919 Log.e(TAG, e.getMessage(), e); 1920 return null; 1921 } 1922 Editable editable = getText(); 1923 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1924 if (start == -1 || end == -1) { 1925 Log.d(TAG, "The chip being selected no longer exists but should."); 1926 } else { 1927 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1928 } 1929 newChip.setSelected(true); 1930 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1931 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1932 } 1933 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1934 setCursorVisible(false); 1935 return newChip; 1936 } 1937 } 1938 1939 1940 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1941 int width, Context context) { 1942 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1943 int bottom = calculateOffsetFromBottom(line); 1944 // Align the alternates popup with the left side of the View, 1945 // regardless of the position of the chip tapped. 1946 popup.setWidth(width); 1947 popup.setAnchorView(this); 1948 popup.setVerticalOffset(bottom); 1949 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1950 popup.setOnItemClickListener(new OnItemClickListener() { 1951 @Override 1952 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1953 unselectChip(currentChip); 1954 popup.dismiss(); 1955 } 1956 }); 1957 popup.show(); 1958 ListView listView = popup.getListView(); 1959 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1960 listView.setItemChecked(0, true); 1961 } 1962 1963 /** 1964 * Remove selection from this chip. Unselecting a RecipientChip will render 1965 * the chip without a delete icon and with an unfocused background. This is 1966 * called when the RecipientChip no longer has focus. 1967 */ 1968 private void unselectChip(RecipientChip chip) { 1969 int start = getChipStart(chip); 1970 int end = getChipEnd(chip); 1971 Editable editable = getText(); 1972 mSelectedChip = null; 1973 if (start == -1 || end == -1) { 1974 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1975 setSelection(editable.length()); 1976 commitDefault(); 1977 } else { 1978 getSpannable().removeSpan(chip); 1979 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1980 editable.removeSpan(chip); 1981 try { 1982 if (!mNoChips) { 1983 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1984 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1985 } 1986 } catch (NullPointerException e) { 1987 Log.e(TAG, e.getMessage(), e); 1988 } 1989 } 1990 setCursorVisible(true); 1991 setSelection(editable.length()); 1992 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1993 mAlternatesPopup.dismiss(); 1994 } 1995 } 1996 1997 /** 1998 * Return whether a touch event was inside the delete target of 1999 * a selected chip. It is in the delete target if: 2000 * 1) the x and y points of the event are within the 2001 * delete assset. 2002 * 2) the point tapped would have caused a cursor to appear 2003 * right after the selected chip. 2004 * @return boolean 2005 */ 2006 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2007 // Figure out the bounds of this chip and whether or not 2008 // the user clicked in the X portion. 2009 return chip.isSelected() && offset == getChipEnd(chip); 2010 } 2011 2012 /** 2013 * Remove the chip and any text associated with it from the RecipientEditTextView. 2014 */ 2015 // Visible for testing. 2016 /*pacakge*/ void removeChip(RecipientChip chip) { 2017 Spannable spannable = getSpannable(); 2018 int spanStart = spannable.getSpanStart(chip); 2019 int spanEnd = spannable.getSpanEnd(chip); 2020 Editable text = getText(); 2021 int toDelete = spanEnd; 2022 boolean wasSelected = chip == mSelectedChip; 2023 // Clear that there is a selected chip before updating any text. 2024 if (wasSelected) { 2025 mSelectedChip = null; 2026 } 2027 // Always remove trailing spaces when removing a chip. 2028 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2029 toDelete++; 2030 } 2031 spannable.removeSpan(chip); 2032 if (spanStart >= 0 && toDelete > 0) { 2033 text.delete(spanStart, toDelete); 2034 } 2035 if (wasSelected) { 2036 clearSelectedChip(); 2037 } 2038 } 2039 2040 /** 2041 * Replace this currently selected chip with a new chip 2042 * that uses the contact data provided. 2043 */ 2044 // Visible for testing. 2045 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2046 boolean wasSelected = chip == mSelectedChip; 2047 if (wasSelected) { 2048 mSelectedChip = null; 2049 } 2050 int start = getChipStart(chip); 2051 int end = getChipEnd(chip); 2052 getSpannable().removeSpan(chip); 2053 Editable editable = getText(); 2054 CharSequence chipText = createChip(entry, false); 2055 if (chipText != null) { 2056 if (start == -1 || end == -1) { 2057 Log.e(TAG, "The chip to replace does not exist but should."); 2058 editable.insert(0, chipText); 2059 } else { 2060 if (!TextUtils.isEmpty(chipText)) { 2061 // There may be a space to replace with this chip's new 2062 // associated space. Check for it 2063 int toReplace = end; 2064 while (toReplace >= 0 && toReplace < editable.length() 2065 && editable.charAt(toReplace) == ' ') { 2066 toReplace++; 2067 } 2068 editable.replace(start, toReplace, chipText); 2069 } 2070 } 2071 } 2072 setCursorVisible(true); 2073 if (wasSelected) { 2074 clearSelectedChip(); 2075 } 2076 } 2077 2078 /** 2079 * Handle click events for a chip. When a selected chip receives a click 2080 * event, see if that event was in the delete icon. If so, delete it. 2081 * Otherwise, unselect the chip. 2082 */ 2083 public void onClick(RecipientChip chip, int offset, float x, float y) { 2084 if (chip.isSelected()) { 2085 if (isInDelete(chip, offset, x, y)) { 2086 removeChip(chip); 2087 } else { 2088 clearSelectedChip(); 2089 } 2090 } 2091 } 2092 2093 private boolean chipsPending() { 2094 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2095 } 2096 2097 @Override 2098 public void removeTextChangedListener(TextWatcher watcher) { 2099 mTextWatcher = null; 2100 super.removeTextChangedListener(watcher); 2101 } 2102 2103 private class RecipientTextWatcher implements TextWatcher { 2104 2105 @Override 2106 public void afterTextChanged(Editable s) { 2107 // If the text has been set to null or empty, make sure we remove 2108 // all the spans we applied. 2109 if (TextUtils.isEmpty(s)) { 2110 // Remove all the chips spans. 2111 Spannable spannable = getSpannable(); 2112 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2113 RecipientChip.class); 2114 for (RecipientChip chip : chips) { 2115 spannable.removeSpan(chip); 2116 } 2117 if (mMoreChip != null) { 2118 spannable.removeSpan(mMoreChip); 2119 } 2120 return; 2121 } 2122 // Get whether there are any recipients pending addition to the 2123 // view. If there are, don't do anything in the text watcher. 2124 if (chipsPending()) { 2125 return; 2126 } 2127 // If the user is editing a chip, don't clear it. 2128 if (mSelectedChip != null 2129 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2130 setCursorVisible(true); 2131 setSelection(getText().length()); 2132 clearSelectedChip(); 2133 } 2134 int length = s.length(); 2135 // Make sure there is content there to parse and that it is 2136 // not just the commit character. 2137 if (length > 1) { 2138 char last; 2139 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2140 int len = length() - 1; 2141 if (end != len) { 2142 last = s.charAt(end); 2143 } else { 2144 last = s.charAt(len); 2145 } 2146 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2147 commitByCharacter(); 2148 } else if (last == COMMIT_CHAR_SPACE) { 2149 if (!isPhoneQuery()) { 2150 // Check if this is a valid email address. If it is, 2151 // commit it. 2152 String text = getText().toString(); 2153 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2154 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2155 tokenStart)); 2156 if (!TextUtils.isEmpty(sub) && mValidator != null && 2157 mValidator.isValid(sub)) { 2158 commitByCharacter(); 2159 } 2160 } 2161 } 2162 } 2163 } 2164 2165 @Override 2166 public void onTextChanged(CharSequence s, int start, int before, int count) { 2167 // This is a delete; check to see if the insertion point is on a space 2168 // following a chip. 2169 if (before > count) { 2170 // If the item deleted is a space, and the thing before the 2171 // space is a chip, delete the entire span. 2172 int selStart = getSelectionStart(); 2173 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2174 RecipientChip.class); 2175 if (repl.length > 0) { 2176 // There is a chip there! Just remove it. 2177 Editable editable = getText(); 2178 // Add the separator token. 2179 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2180 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2181 tokenEnd = tokenEnd + 1; 2182 if (tokenEnd > editable.length()) { 2183 tokenEnd = editable.length(); 2184 } 2185 editable.delete(tokenStart, tokenEnd); 2186 getSpannable().removeSpan(repl[0]); 2187 } 2188 } else if (count > before) { 2189 // Only scroll when the user is adding text, not clearing text. 2190 scrollBottomIntoView(); 2191 } 2192 } 2193 2194 @Override 2195 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2196 // Do nothing. 2197 } 2198 } 2199 2200 private void scrollBottomIntoView() { 2201 if (mScrollView != null) { 2202 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2203 } 2204 } 2205 2206 /** 2207 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2208 */ 2209 private void handlePasteClip(ClipData clip) { 2210 removeTextChangedListener(mTextWatcher); 2211 2212 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2213 for (int i = 0; i < clip.getItemCount(); i++) { 2214 CharSequence paste = clip.getItemAt(i).getText(); 2215 if (paste != null) { 2216 int start = getSelectionStart(); 2217 int end = getSelectionEnd(); 2218 Editable editable = getText(); 2219 if (start >= 0 && end >= 0 && start != end) { 2220 editable.append(paste, start, end); 2221 } else { 2222 editable.insert(end, paste); 2223 } 2224 handlePasteAndReplace(); 2225 } 2226 } 2227 } 2228 2229 mHandler.post(mAddTextWatcher); 2230 } 2231 2232 @Override 2233 public boolean onTextContextMenuItem(int id) { 2234 if (id == android.R.id.paste) { 2235 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2236 Context.CLIPBOARD_SERVICE); 2237 handlePasteClip(clipboard.getPrimaryClip()); 2238 return true; 2239 } 2240 return super.onTextContextMenuItem(id); 2241 } 2242 2243 private void handlePasteAndReplace() { 2244 ArrayList<RecipientChip> created = handlePaste(); 2245 if (created != null && created.size() > 0) { 2246 // Perform reverse lookups on the pasted contacts. 2247 IndividualReplacementTask replace = new IndividualReplacementTask(); 2248 replace.execute(created); 2249 } 2250 } 2251 2252 // Visible for testing. 2253 /* package */ArrayList<RecipientChip> handlePaste() { 2254 String text = getText().toString(); 2255 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2256 String lastAddress = text.substring(originalTokenStart); 2257 int tokenStart = originalTokenStart; 2258 int prevTokenStart = tokenStart; 2259 RecipientChip findChip = null; 2260 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2261 if (tokenStart != 0) { 2262 // There are things before this! 2263 while (tokenStart != 0 && findChip == null) { 2264 prevTokenStart = tokenStart; 2265 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2266 findChip = findChip(tokenStart); 2267 } 2268 if (tokenStart != originalTokenStart) { 2269 if (findChip != null) { 2270 tokenStart = prevTokenStart; 2271 } 2272 int tokenEnd; 2273 RecipientChip createdChip; 2274 while (tokenStart < originalTokenStart) { 2275 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2276 tokenStart)); 2277 commitChip(tokenStart, tokenEnd, getText()); 2278 createdChip = findChip(tokenStart); 2279 if (createdChip == null) { 2280 break; 2281 } 2282 // +1 for the space at the end. 2283 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2284 created.add(createdChip); 2285 } 2286 } 2287 } 2288 // Take a look at the last token. If the token has been completed with a 2289 // commit character, create a chip. 2290 if (isCompletedToken(lastAddress)) { 2291 Editable editable = getText(); 2292 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2293 commitChip(tokenStart, editable.length(), editable); 2294 created.add(findChip(tokenStart)); 2295 } 2296 return created; 2297 } 2298 2299 // Visible for testing. 2300 /* package */int movePastTerminators(int tokenEnd) { 2301 if (tokenEnd >= length()) { 2302 return tokenEnd; 2303 } 2304 char atEnd = getText().toString().charAt(tokenEnd); 2305 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2306 tokenEnd++; 2307 } 2308 // This token had not only an end token character, but also a space 2309 // separating it from the next token. 2310 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2311 tokenEnd++; 2312 } 2313 return tokenEnd; 2314 } 2315 2316 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2317 private RecipientChip createFreeChip(RecipientEntry entry) { 2318 try { 2319 if (mNoChips) { 2320 return null; 2321 } 2322 return constructChipSpan(entry, -1, false); 2323 } catch (NullPointerException e) { 2324 Log.e(TAG, e.getMessage(), e); 2325 return null; 2326 } 2327 } 2328 2329 @Override 2330 protected Void doInBackground(Void... params) { 2331 if (mIndividualReplacements != null) { 2332 mIndividualReplacements.cancel(true); 2333 } 2334 // For each chip in the list, look up the matching contact. 2335 // If there is a match, replace that chip with the matching 2336 // chip. 2337 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2338 RecipientChip[] existingChips = getSortedRecipients(); 2339 for (int i = 0; i < existingChips.length; i++) { 2340 originalRecipients.add(existingChips[i]); 2341 } 2342 if (mRemovedSpans != null) { 2343 originalRecipients.addAll(mRemovedSpans); 2344 } 2345 ArrayList<String> addresses = new ArrayList<String>(); 2346 RecipientChip chip; 2347 for (int i = 0; i < originalRecipients.size(); i++) { 2348 chip = originalRecipients.get(i); 2349 if (chip != null) { 2350 addresses.add(createAddressText(chip.getEntry())); 2351 } 2352 } 2353 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2354 .getMatchingRecipients(getContext(), addresses); 2355 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2356 for (final RecipientChip temp : originalRecipients) { 2357 RecipientEntry entry = null; 2358 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2359 && getSpannable().getSpanStart(temp) != -1) { 2360 // Replace this. 2361 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2362 .getDestination()))); 2363 } 2364 if (entry != null) { 2365 replacements.add(createFreeChip(entry)); 2366 } else { 2367 replacements.add(temp); 2368 } 2369 } 2370 if (replacements != null && replacements.size() > 0) { 2371 mHandler.post(new Runnable() { 2372 @Override 2373 public void run() { 2374 Editable oldText = getText(); 2375 int start, end; 2376 int i = 0; 2377 for (RecipientChip chip : originalRecipients) { 2378 // Find the location of the chip in the text currently shown. 2379 start = oldText.getSpanStart(chip); 2380 if (start != -1) { 2381 end = oldText.getSpanEnd(chip); 2382 oldText.removeSpan(chip); 2383 RecipientChip replacement = replacements.get(i); 2384 // Trim any whitespace, as we will already have 2385 // it added if these are replacement chips. 2386 SpannableString displayText = new SpannableString( 2387 createAddressText(replacement.getEntry()).trim()); 2388 displayText.setSpan(replacement, 0, displayText.length(), 2389 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2390 // Replace the old text we found with with the new display text, 2391 // which now may also contain the display name of the recipient. 2392 oldText.replace(start, end, displayText); 2393 replacement.setOriginalText(displayText.toString()); 2394 } 2395 i++; 2396 } 2397 originalRecipients.clear(); 2398 } 2399 }); 2400 } 2401 return null; 2402 } 2403 } 2404 2405 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2406 @SuppressWarnings("unchecked") 2407 @Override 2408 protected Void doInBackground(Object... params) { 2409 // For each chip in the list, look up the matching contact. 2410 // If there is a match, replace that chip with the matching 2411 // chip. 2412 final ArrayList<RecipientChip> originalRecipients = 2413 (ArrayList<RecipientChip>) params[0]; 2414 ArrayList<String> addresses = new ArrayList<String>(); 2415 RecipientChip chip; 2416 for (int i = 0; i < originalRecipients.size(); i++) { 2417 chip = originalRecipients.get(i); 2418 if (chip != null) { 2419 addresses.add(createAddressText(chip.getEntry())); 2420 } 2421 } 2422 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2423 .getMatchingRecipients(getContext(), addresses); 2424 for (final RecipientChip temp : originalRecipients) { 2425 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2426 && getSpannable().getSpanStart(temp) != -1) { 2427 // Replace this. 2428 final RecipientEntry entry = createValidatedEntry(entries.get(tokenizeAddress( 2429 temp.getEntry().getDestination()).toLowerCase())); 2430 if (entry != null) { 2431 mHandler.post(new Runnable() { 2432 @Override 2433 public void run() { 2434 replaceChip(temp, entry); 2435 } 2436 }); 2437 } 2438 } 2439 } 2440 return null; 2441 } 2442 } 2443 2444 2445 /** 2446 * MoreImageSpan is a simple class created for tracking the existence of a 2447 * more chip across activity restarts/ 2448 */ 2449 private class MoreImageSpan extends ImageSpan { 2450 public MoreImageSpan(Drawable b) { 2451 super(b); 2452 } 2453 } 2454 2455 @Override 2456 public boolean onDown(MotionEvent e) { 2457 return false; 2458 } 2459 2460 @Override 2461 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2462 // Do nothing. 2463 return false; 2464 } 2465 2466 @Override 2467 public void onLongPress(MotionEvent event) { 2468 if (mSelectedChip != null) { 2469 return; 2470 } 2471 float x = event.getX(); 2472 float y = event.getY(); 2473 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2474 RecipientChip currentChip = findChip(offset); 2475 if (currentChip != null) { 2476 if (mDragEnabled) { 2477 // Start drag-and-drop for the selected chip. 2478 startDrag(currentChip); 2479 } else { 2480 // Copy the selected chip email address. 2481 showCopyDialog(currentChip.getEntry().getDestination()); 2482 } 2483 } 2484 } 2485 2486 /** 2487 * Enables drag-and-drop for chips. 2488 */ 2489 public void enableDrag() { 2490 mDragEnabled = true; 2491 } 2492 2493 /** 2494 * Starts drag-and-drop for the selected chip. 2495 */ 2496 private void startDrag(RecipientChip currentChip) { 2497 String address = currentChip.getEntry().getDestination(); 2498 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2499 2500 // Start drag mode. 2501 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2502 2503 // Remove the current chip, so drag-and-drop will result in a move. 2504 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2505 removeChip(currentChip); 2506 } 2507 2508 /** 2509 * Handles drag event. 2510 */ 2511 @Override 2512 public boolean onDragEvent(DragEvent event) { 2513 switch (event.getAction()) { 2514 case DragEvent.ACTION_DRAG_STARTED: 2515 // Only handle plain text drag and drop. 2516 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2517 case DragEvent.ACTION_DRAG_ENTERED: 2518 requestFocus(); 2519 return true; 2520 case DragEvent.ACTION_DROP: 2521 handlePasteClip(event.getClipData()); 2522 return true; 2523 } 2524 return false; 2525 } 2526 2527 /** 2528 * Drag shadow for a {@link RecipientChip}. 2529 */ 2530 private final class RecipientChipShadow extends DragShadowBuilder { 2531 private final RecipientChip mChip; 2532 2533 public RecipientChipShadow(RecipientChip chip) { 2534 mChip = chip; 2535 } 2536 2537 @Override 2538 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2539 Rect rect = mChip.getDrawable().getBounds(); 2540 shadowSize.set(rect.width(), rect.height()); 2541 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2542 } 2543 2544 @Override 2545 public void onDrawShadow(Canvas canvas) { 2546 mChip.getDrawable().draw(canvas); 2547 } 2548 } 2549 2550 private void showCopyDialog(final String address) { 2551 mCopyAddress = address; 2552 mCopyDialog.setTitle(address); 2553 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2554 mCopyDialog.setCancelable(true); 2555 mCopyDialog.setCanceledOnTouchOutside(true); 2556 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2557 button.setOnClickListener(this); 2558 int btnTitleId; 2559 if (isPhoneQuery()) { 2560 btnTitleId = R.string.copy_number; 2561 } else { 2562 btnTitleId = R.string.copy_email; 2563 } 2564 String buttonTitle = getContext().getResources().getString(btnTitleId); 2565 button.setText(buttonTitle); 2566 mCopyDialog.setOnDismissListener(this); 2567 mCopyDialog.show(); 2568 } 2569 2570 @Override 2571 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2572 // Do nothing. 2573 return false; 2574 } 2575 2576 @Override 2577 public void onShowPress(MotionEvent e) { 2578 // Do nothing. 2579 } 2580 2581 @Override 2582 public boolean onSingleTapUp(MotionEvent e) { 2583 // Do nothing. 2584 return false; 2585 } 2586 2587 @Override 2588 public void onDismiss(DialogInterface dialog) { 2589 mCopyAddress = null; 2590 } 2591 2592 @Override 2593 public void onClick(View v) { 2594 // Copy this to the clipboard. 2595 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2596 Context.CLIPBOARD_SERVICE); 2597 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2598 mCopyDialog.dismiss(); 2599 } 2600 2601 protected boolean isPhoneQuery() { 2602 return getAdapter() != null 2603 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2604 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2605 } 2606} 2607