RecipientEditTextView.java revision 348c459fd722f115ffeb3d5cec5950088fa1bde8
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.Spanned; 47import android.text.TextPaint; 48import android.text.TextUtils; 49import android.text.TextWatcher; 50import android.text.method.QwertyKeyListener; 51import android.text.style.ImageSpan; 52import android.text.util.Rfc822Token; 53import android.text.util.Rfc822Tokenizer; 54import android.util.AttributeSet; 55import android.util.Log; 56import android.util.TypedValue; 57import android.view.ActionMode; 58import android.view.ActionMode.Callback; 59import android.view.DragEvent; 60import android.view.GestureDetector; 61import android.view.KeyEvent; 62import android.view.LayoutInflater; 63import android.view.Menu; 64import android.view.MenuItem; 65import android.view.MotionEvent; 66import android.view.View; 67import android.view.View.OnClickListener; 68import android.view.ViewParent; 69import android.view.inputmethod.EditorInfo; 70import android.view.inputmethod.InputConnection; 71import android.widget.AdapterView; 72import android.widget.AdapterView.OnItemClickListener; 73import android.widget.Button; 74import android.widget.Filterable; 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 com.android.ex.chips.RecipientAlternatesAdapter.RecipientMatchCallback; 83 84import java.util.ArrayList; 85import java.util.Arrays; 86import java.util.Collection; 87import java.util.Collections; 88import java.util.Comparator; 89import java.util.HashMap; 90import java.util.HashSet; 91import java.util.List; 92import java.util.Set; 93import java.util.regex.Matcher; 94import java.util.regex.Pattern; 95 96/** 97 * RecipientEditTextView is an auto complete text view for use with applications 98 * that use the new Chips UI for addressing a message to recipients. 99 */ 100public class RecipientEditTextView extends MultiAutoCompleteTextView implements 101 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 102 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 103 TextView.OnEditorActionListener { 104 105 private static final char COMMIT_CHAR_COMMA = ','; 106 107 private static final char NAME_WRAPPER_CHAR = '"'; 108 109 private static final char COMMIT_CHAR_SEMICOLON = ';'; 110 111 private static final char COMMIT_CHAR_SPACE = ' '; 112 113 private static final String TAG = "RecipientEditTextView"; 114 115 private static int DISMISS = "dismiss".hashCode(); 116 117 private static final long DISMISS_DELAY = 300; 118 119 // TODO: get correct number/ algorithm from with UX. 120 // Visible for testing. 121 /*package*/ static final int CHIP_LIMIT = 2; 122 123 private static final int MAX_CHIPS_PARSED = 50; 124 125 private static int sSelectedTextColor = -1; 126 127 // Resources for displaying chips. 128 private Drawable mChipBackground = null; 129 130 private Drawable mChipDelete = null; 131 132 private Drawable mInvalidChipBackground; 133 134 private Drawable mChipBackgroundPressed; 135 136 private float mChipHeight; 137 138 private float mChipFontSize; 139 140 private float mLineSpacingExtra; 141 142 private int mChipPadding; 143 144 private Tokenizer mTokenizer; 145 146 private Validator mValidator; 147 148 private RecipientChip mSelectedChip; 149 150 private int mAlternatesLayout; 151 152 private Bitmap mDefaultContactPhoto; 153 154 private ImageSpan mMoreChip; 155 156 private TextView mMoreItem; 157 158 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 159 160 private Handler mHandler; 161 162 private int mPendingChipsCount = 0; 163 164 private boolean mNoChips = false; 165 166 private ListPopupWindow mAlternatesPopup; 167 168 private ListPopupWindow mAddressPopup; 169 170 private ArrayList<RecipientChip> mTemporaryRecipients; 171 172 private ArrayList<RecipientChip> mRemovedSpans; 173 174 private boolean mShouldShrink = true; 175 176 // Chip copy fields. 177 private GestureDetector mGestureDetector; 178 179 private Dialog mCopyDialog; 180 181 private String mCopyAddress; 182 183 /** 184 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 185 * selected chip. 186 */ 187 private OnItemClickListener mAlternatesListener; 188 189 private int mCheckedItem; 190 191 private TextWatcher mTextWatcher; 192 193 // Obtain the enclosing scroll view, if it exists, so that the view can be 194 // scrolled to show the last line of chips content. 195 private ScrollView mScrollView; 196 197 private boolean mTriedGettingScrollView; 198 199 private boolean mDragEnabled = false; 200 201 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 202 // parens, so numbers such as "1 (425) 222-2342" match. 203 private static final Pattern PHONE_PATTERN 204 = Pattern.compile( // sdd = space, dot, or dash 205 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 206 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 207 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 208 209 private final Runnable mAddTextWatcher = new Runnable() { 210 @Override 211 public void run() { 212 if (mTextWatcher == null) { 213 mTextWatcher = new RecipientTextWatcher(); 214 addTextChangedListener(mTextWatcher); 215 } 216 } 217 }; 218 219 private IndividualReplacementTask mIndividualReplacements; 220 221 private Runnable mHandlePendingChips = new Runnable() { 222 223 @Override 224 public void run() { 225 handlePendingChips(); 226 } 227 228 }; 229 230 private Runnable mDelayedShrink = new Runnable() { 231 232 @Override 233 public void run() { 234 shrink(); 235 } 236 237 }; 238 239 private int mMaxLines; 240 241 private static int sExcessTopPadding = -1; 242 243 private int mActionBarHeight; 244 245 public RecipientEditTextView(Context context, AttributeSet attrs) { 246 super(context, attrs); 247 setChipDimensions(context, attrs); 248 if (sSelectedTextColor == -1) { 249 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 250 } 251 mAlternatesPopup = new ListPopupWindow(context); 252 mAddressPopup = new ListPopupWindow(context); 253 mCopyDialog = new Dialog(context); 254 mAlternatesListener = new OnItemClickListener() { 255 @Override 256 public void onItemClick(AdapterView<?> adapterView,View view, int position, 257 long rowId) { 258 mAlternatesPopup.setOnItemClickListener(null); 259 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 260 .getRecipientEntry(position)); 261 Message delayed = Message.obtain(mHandler, DISMISS); 262 delayed.obj = mAlternatesPopup; 263 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 264 clearComposingText(); 265 } 266 }; 267 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 268 setOnItemClickListener(this); 269 setCustomSelectionActionModeCallback(this); 270 mHandler = new Handler() { 271 @Override 272 public void handleMessage(Message msg) { 273 if (msg.what == DISMISS) { 274 ((ListPopupWindow) msg.obj).dismiss(); 275 return; 276 } 277 super.handleMessage(msg); 278 } 279 }; 280 mTextWatcher = new RecipientTextWatcher(); 281 addTextChangedListener(mTextWatcher); 282 mGestureDetector = new GestureDetector(context, this); 283 setOnEditorActionListener(this); 284 } 285 286 @Override 287 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 288 if (action == EditorInfo.IME_ACTION_DONE) { 289 if (commitDefault()) { 290 return true; 291 } 292 if (mSelectedChip != null) { 293 clearSelectedChip(); 294 return true; 295 } else if (focusNext()) { 296 return true; 297 } 298 } 299 return false; 300 } 301 302 @Override 303 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 304 InputConnection connection = super.onCreateInputConnection(outAttrs); 305 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 306 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 307 // clear the existing action 308 outAttrs.imeOptions ^= imeActions; 309 // set the DONE action 310 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 311 } 312 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 313 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 314 } 315 316 outAttrs.actionId = EditorInfo.IME_ACTION_DONE; 317 outAttrs.actionLabel = getContext().getString(R.string.done); 318 return connection; 319 } 320 321 /*package*/ RecipientChip getLastChip() { 322 RecipientChip last = null; 323 RecipientChip[] chips = getSortedRecipients(); 324 if (chips != null && chips.length > 0) { 325 last = chips[chips.length - 1]; 326 } 327 return last; 328 } 329 330 @Override 331 public void onSelectionChanged(int start, int end) { 332 // When selection changes, see if it is inside the chips area. 333 // If so, move the cursor back after the chips again. 334 RecipientChip last = getLastChip(); 335 if (last != null && start < getSpannable().getSpanEnd(last)) { 336 // Grab the last chip and set the cursor to after it. 337 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 338 } 339 super.onSelectionChanged(start, end); 340 } 341 342 @Override 343 public void onRestoreInstanceState(Parcelable state) { 344 if (!TextUtils.isEmpty(getText())) { 345 super.onRestoreInstanceState(null); 346 } else { 347 super.onRestoreInstanceState(state); 348 } 349 } 350 351 @Override 352 public Parcelable onSaveInstanceState() { 353 // If the user changes orientation while they are editing, just roll back the selection. 354 clearSelectedChip(); 355 return super.onSaveInstanceState(); 356 } 357 358 /** 359 * Convenience method: Append the specified text slice to the TextView's 360 * display buffer, upgrading it to BufferType.EDITABLE if it was 361 * not already editable. Commas are excluded as they are added automatically 362 * by the view. 363 */ 364 @Override 365 public void append(CharSequence text, int start, int end) { 366 // We don't care about watching text changes while appending. 367 if (mTextWatcher != null) { 368 removeTextChangedListener(mTextWatcher); 369 } 370 super.append(text, start, end); 371 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 372 String displayString = text.toString(); 373 int separatorPos = displayString.lastIndexOf(COMMIT_CHAR_COMMA); 374 // Verify that the separator pos is not within ""; if it is, look 375 // past the closing quote. If there is no comma past ", this string 376 // will resolve to an error chip. 377 if (separatorPos > -1) { 378 String parseDisplayString = displayString.substring(separatorPos); 379 int endQuotedTextPos = parseDisplayString.indexOf(NAME_WRAPPER_CHAR); 380 if (endQuotedTextPos > separatorPos) { 381 separatorPos = parseDisplayString.lastIndexOf(COMMIT_CHAR_COMMA, 382 endQuotedTextPos); 383 } 384 } 385 if (!TextUtils.isEmpty(displayString) 386 && TextUtils.getTrimmedLength(displayString) > 0) { 387 mPendingChipsCount++; 388 mPendingChips.add(text.toString()); 389 } 390 } 391 // Put a message on the queue to make sure we ALWAYS handle pending 392 // chips. 393 if (mPendingChipsCount > 0) { 394 postHandlePendingChips(); 395 } 396 mHandler.post(mAddTextWatcher); 397 } 398 399 @Override 400 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 401 super.onFocusChanged(hasFocus, direction, previous); 402 if (!hasFocus) { 403 shrink(); 404 } else { 405 expand(); 406 } 407 } 408 409 @Override 410 public void performValidation() { 411 // Do nothing. Chips handles its own validation. 412 } 413 414 private void shrink() { 415 if (mTokenizer == null) { 416 return; 417 } 418 long contactId = mSelectedChip != null ? mSelectedChip.getEntry().getContactId() : -1; 419 if (mSelectedChip != null && contactId != RecipientEntry.INVALID_CONTACT 420 && (!isPhoneQuery() && contactId != RecipientEntry.GENERATED_CONTACT)) { 421 clearSelectedChip(); 422 } else { 423 if (getWidth() <= 0) { 424 // We don't have the width yet which means the view hasn't been drawn yet 425 // and there is no reason to attempt to commit chips yet. 426 // This focus lost must be the result of an orientation change 427 // or an initial rendering. 428 // Re-post the shrink for later. 429 mHandler.removeCallbacks(mDelayedShrink); 430 mHandler.post(mDelayedShrink); 431 return; 432 } 433 // Reset any pending chips as they would have been handled 434 // when the field lost focus. 435 if (mPendingChipsCount > 0) { 436 postHandlePendingChips(); 437 } else { 438 Editable editable = getText(); 439 int end = getSelectionEnd(); 440 int start = mTokenizer.findTokenStart(editable, end); 441 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 442 if ((chips == null || chips.length == 0)) { 443 Editable text = getText(); 444 int whatEnd = mTokenizer.findTokenEnd(text, start); 445 // This token was already tokenized, so skip past the ending token. 446 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 447 whatEnd = movePastTerminators(whatEnd); 448 } 449 // In the middle of chip; treat this as an edit 450 // and commit the whole token. 451 int selEnd = getSelectionEnd(); 452 if (whatEnd != selEnd) { 453 handleEdit(start, whatEnd); 454 } else { 455 commitChip(start, end, editable); 456 } 457 } 458 } 459 mHandler.post(mAddTextWatcher); 460 } 461 createMoreChip(); 462 } 463 464 private void expand() { 465 if (mShouldShrink) { 466 setMaxLines(Integer.MAX_VALUE); 467 } 468 removeMoreChip(); 469 setCursorVisible(true); 470 Editable text = getText(); 471 setSelection(text != null && text.length() > 0 ? text.length() : 0); 472 // If there are any temporary chips, try replacing them now that the user 473 // has expanded the field. 474 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 475 new RecipientReplacementTask().execute(); 476 mTemporaryRecipients = null; 477 } 478 } 479 480 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 481 paint.setTextSize(mChipFontSize); 482 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 483 Log.d(TAG, "Max width is negative: " + maxWidth); 484 } 485 return TextUtils.ellipsize(text, paint, maxWidth, 486 TextUtils.TruncateAt.END); 487 } 488 489 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 490 // Ellipsize the text so that it takes AT MOST the entire width of the 491 // autocomplete text entry area. Make sure to leave space for padding 492 // on the sides. 493 int height = (int) mChipHeight; 494 int deleteWidth = height; 495 float[] widths = new float[1]; 496 paint.getTextWidths(" ", widths); 497 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 498 calculateAvailableWidth(true) - deleteWidth - widths[0]); 499 500 // Make sure there is a minimum chip width so the user can ALWAYS 501 // tap a chip without difficulty. 502 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 503 ellipsizedText.length())) 504 + (mChipPadding * 2) + deleteWidth); 505 506 // Create the background of the chip. 507 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 508 Canvas canvas = new Canvas(tmpBitmap); 509 if (mChipBackgroundPressed != null) { 510 mChipBackgroundPressed.setBounds(0, 0, width, height); 511 mChipBackgroundPressed.draw(canvas); 512 paint.setColor(sSelectedTextColor); 513 // Vertically center the text in the chip. 514 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 515 getTextYOffset((String) ellipsizedText, paint, height), paint); 516 // Make the delete a square. 517 Rect backgroundPadding = new Rect(); 518 mChipBackgroundPressed.getPadding(backgroundPadding); 519 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 520 0 + backgroundPadding.top, 521 width - backgroundPadding.right, 522 height - backgroundPadding.bottom); 523 mChipDelete.draw(canvas); 524 } else { 525 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 526 } 527 return tmpBitmap; 528 } 529 530 531 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout, 532 boolean leaveBlankIconSpacer) { 533 // Ellipsize the text so that it takes AT MOST the entire width of the 534 // autocomplete text entry area. Make sure to leave space for padding 535 // on the sides. 536 int height = (int) mChipHeight; 537 int iconWidth = height; 538 float[] widths = new float[1]; 539 paint.getTextWidths(" ", widths); 540 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 541 calculateAvailableWidth(false) - iconWidth - widths[0]); 542 // Make sure there is a minimum chip width so the user can ALWAYS 543 // tap a chip without difficulty. 544 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 545 ellipsizedText.length())) 546 + (mChipPadding * 2) + iconWidth); 547 548 // Create the background of the chip. 549 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 550 Canvas canvas = new Canvas(tmpBitmap); 551 Drawable background = getChipBackground(contact); 552 if (background != null) { 553 background.setBounds(0, 0, width, height); 554 background.draw(canvas); 555 556 // Don't draw photos for recipients that have been typed in OR generated on the fly. 557 long contactId = contact.getContactId(); 558 boolean drawPhotos = isPhoneQuery() ? 559 contactId != RecipientEntry.INVALID_CONTACT 560 : (contactId != RecipientEntry.INVALID_CONTACT 561 && (contactId != RecipientEntry.GENERATED_CONTACT && 562 !TextUtils.isEmpty(contact.getDisplayName()))); 563 if (drawPhotos) { 564 byte[] photoBytes = contact.getPhotoBytes(); 565 // There may not be a photo yet if anything but the first contact address 566 // was selected. 567 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 568 // TODO: cache this in the recipient entry? 569 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 570 .getPhotoThumbnailUri()); 571 photoBytes = contact.getPhotoBytes(); 572 } 573 574 Bitmap photo; 575 if (photoBytes != null) { 576 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 577 } else { 578 // TODO: can the scaled down default photo be cached? 579 photo = mDefaultContactPhoto; 580 } 581 // Draw the photo on the left side. 582 if (photo != null) { 583 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 584 Rect backgroundPadding = new Rect(); 585 mChipBackground.getPadding(backgroundPadding); 586 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 587 0 + backgroundPadding.top, 588 width - backgroundPadding.right, 589 height - backgroundPadding.bottom); 590 Matrix matrix = new Matrix(); 591 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 592 canvas.drawBitmap(photo, matrix, paint); 593 } 594 } else if (!leaveBlankIconSpacer || isPhoneQuery()) { 595 iconWidth = 0; 596 } 597 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 598 // Vertically center the text in the chip. 599 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 600 getTextYOffset((String)ellipsizedText, paint, height), paint); 601 } else { 602 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 603 } 604 return tmpBitmap; 605 } 606 607 /** 608 * Get the background drawable for a RecipientChip. 609 */ 610 // Visible for testing. 611 /* package */Drawable getChipBackground(RecipientEntry contact) { 612 return contact.isValid() ? mChipBackground : mInvalidChipBackground; 613 } 614 615 private float getTextYOffset(String text, TextPaint paint, int height) { 616 Rect bounds = new Rect(); 617 paint.getTextBounds(text, 0, text.length(), bounds); 618 int textHeight = bounds.bottom - bounds.top ; 619 return height - ((height - textHeight) / 2) - (int)paint.descent(); 620 } 621 622 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed, 623 boolean leaveIconSpace) throws NullPointerException { 624 if (mChipBackground == null) { 625 throw new NullPointerException( 626 "Unable to render any chips as setChipDimensions was not called."); 627 } 628 Layout layout = getLayout(); 629 630 TextPaint paint = getPaint(); 631 float defaultSize = paint.getTextSize(); 632 int defaultColor = paint.getColor(); 633 634 Bitmap tmpBitmap; 635 if (pressed) { 636 tmpBitmap = createSelectedChip(contact, paint, layout); 637 638 } else { 639 tmpBitmap = createUnselectedChip(contact, paint, layout, leaveIconSpace); 640 } 641 642 // Pass the full text, un-ellipsized, to the chip. 643 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 644 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 645 RecipientChip recipientChip = new VisibleRecipientChip(result, contact, offset); 646 // Return text to the original size. 647 paint.setTextSize(defaultSize); 648 paint.setColor(defaultColor); 649 return recipientChip; 650 } 651 652 /** 653 * Calculate the bottom of the line the chip will be located on using: 654 * 1) which line the chip appears on 655 * 2) the height of a chip 656 * 3) padding built into the edit text view 657 */ 658 private int calculateOffsetFromBottom(int line) { 659 // Line offsets start at zero. 660 int actualLine = getLineCount() - (line + 1); 661 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 662 + getDropDownVerticalOffset(); 663 } 664 665 /** 666 * Get the max amount of space a chip can take up. The formula takes into 667 * account the width of the EditTextView, any view padding, and padding 668 * that will be added to the chip. 669 */ 670 private float calculateAvailableWidth(boolean pressed) { 671 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 672 } 673 674 675 private void setChipDimensions(Context context, AttributeSet attrs) { 676 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 677 0); 678 Resources r = getContext().getResources(); 679 680 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 681 if (mChipBackground == null) { 682 mChipBackground = r.getDrawable(R.drawable.chip_background); 683 } 684 mChipBackgroundPressed = a 685 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 686 if (mChipBackgroundPressed == null) { 687 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 688 } 689 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 690 if (mChipDelete == null) { 691 mChipDelete = r.getDrawable(R.drawable.chip_delete); 692 } 693 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 694 if (mChipPadding == -1) { 695 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 696 } 697 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 698 -1); 699 if (mAlternatesLayout == -1) { 700 mAlternatesLayout = R.layout.chips_alternate_item; 701 } 702 703 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 704 705 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 706 707 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 708 if (mChipHeight == -1) { 709 mChipHeight = r.getDimension(R.dimen.chip_height); 710 } 711 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 712 if (mChipFontSize == -1) { 713 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 714 } 715 mInvalidChipBackground = a 716 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 717 if (mInvalidChipBackground == null) { 718 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 719 } 720 mLineSpacingExtra = r.getDimension(R.dimen.line_spacing_extra); 721 mMaxLines = r.getInteger(R.integer.chips_max_lines); 722 TypedValue tv = new TypedValue(); 723 if (context.getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true)) { 724 mActionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data, getResources() 725 .getDisplayMetrics()); 726 } 727 a.recycle(); 728 } 729 730 // Visible for testing. 731 /* package */ void setMoreItem(TextView moreItem) { 732 mMoreItem = moreItem; 733 } 734 735 736 // Visible for testing. 737 /* package */ void setChipBackground(Drawable chipBackground) { 738 mChipBackground = chipBackground; 739 } 740 741 // Visible for testing. 742 /* package */ void setChipHeight(int height) { 743 mChipHeight = height; 744 } 745 746 /** 747 * Set whether to shrink the recipients field such that at most 748 * one line of recipients chips are shown when the field loses 749 * focus. By default, the number of displayed recipients will be 750 * limited and a "more" chip will be shown when focus is lost. 751 * @param shrink 752 */ 753 public void setOnFocusListShrinkRecipients(boolean shrink) { 754 mShouldShrink = shrink; 755 } 756 757 @Override 758 public void onSizeChanged(int width, int height, int oldw, int oldh) { 759 super.onSizeChanged(width, height, oldw, oldh); 760 if (width != 0 && height != 0) { 761 if (mPendingChipsCount > 0) { 762 postHandlePendingChips(); 763 } else { 764 checkChipWidths(); 765 } 766 } 767 // Try to find the scroll view parent, if it exists. 768 if (mScrollView == null && !mTriedGettingScrollView) { 769 ViewParent parent = getParent(); 770 while (parent != null && !(parent instanceof ScrollView)) { 771 parent = parent.getParent(); 772 } 773 if (parent != null) { 774 mScrollView = (ScrollView) parent; 775 } 776 mTriedGettingScrollView = true; 777 } 778 } 779 780 private void postHandlePendingChips() { 781 mHandler.removeCallbacks(mHandlePendingChips); 782 mHandler.post(mHandlePendingChips); 783 } 784 785 private void checkChipWidths() { 786 // Check the widths of the associated chips. 787 RecipientChip[] chips = getSortedRecipients(); 788 if (chips != null) { 789 Rect bounds; 790 for (RecipientChip chip : chips) { 791 bounds = chip.getBounds(); 792 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 793 // Need to redraw that chip. 794 replaceChip(chip, chip.getEntry()); 795 } 796 } 797 } 798 } 799 800 // Visible for testing. 801 /*package*/ void handlePendingChips() { 802 if (getViewWidth() <= 0) { 803 // The widget has not been sized yet. 804 // This will be called as a result of onSizeChanged 805 // at a later point. 806 return; 807 } 808 if (mPendingChipsCount <= 0) { 809 return; 810 } 811 812 synchronized (mPendingChips) { 813 Editable editable = getText(); 814 // Tokenize! 815 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 816 for (int i = 0; i < mPendingChips.size(); i++) { 817 String current = mPendingChips.get(i); 818 int tokenStart = editable.toString().indexOf(current); 819 // Always leave a space at the end between tokens. 820 int tokenEnd = tokenStart + current.length() - 1; 821 if (tokenStart >= 0) { 822 // When we have a valid token, include it with the token 823 // to the left. 824 if (tokenEnd < editable.length() - 2 825 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 826 tokenEnd++; 827 } 828 createReplacementChip(tokenStart, tokenEnd, editable, i < CHIP_LIMIT 829 || !mShouldShrink); 830 } 831 mPendingChipsCount--; 832 } 833 sanitizeEnd(); 834 } else { 835 mNoChips = true; 836 } 837 838 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 839 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 840 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 841 new RecipientReplacementTask().execute(); 842 mTemporaryRecipients = null; 843 } else { 844 // Create the "more" chip 845 mIndividualReplacements = new IndividualReplacementTask(); 846 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 847 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 848 if (mTemporaryRecipients.size() > CHIP_LIMIT) { 849 mTemporaryRecipients = new ArrayList<RecipientChip>( 850 mTemporaryRecipients.subList(CHIP_LIMIT, 851 mTemporaryRecipients.size())); 852 } else { 853 mTemporaryRecipients = null; 854 } 855 createMoreChip(); 856 } 857 } else { 858 // There are too many recipients to look up, so just fall back 859 // to showing addresses for all of them. 860 mTemporaryRecipients = null; 861 createMoreChip(); 862 } 863 mPendingChipsCount = 0; 864 mPendingChips.clear(); 865 } 866 } 867 868 // Visible for testing. 869 /*package*/ int getViewWidth() { 870 return getWidth(); 871 } 872 873 /** 874 * Remove any characters after the last valid chip. 875 */ 876 // Visible for testing. 877 /*package*/ void sanitizeEnd() { 878 // Don't sanitize while we are waiting for pending chips to complete. 879 if (mPendingChipsCount > 0) { 880 return; 881 } 882 // Find the last chip; eliminate any commit characters after it. 883 RecipientChip[] chips = getSortedRecipients(); 884 Spannable spannable = getSpannable(); 885 if (chips != null && chips.length > 0) { 886 int end; 887 mMoreChip = getMoreChip(); 888 if (mMoreChip != null) { 889 end = spannable.getSpanEnd(mMoreChip); 890 } else { 891 end = getSpannable().getSpanEnd(getLastChip()); 892 } 893 Editable editable = getText(); 894 int length = editable.length(); 895 if (length > end) { 896 // See what characters occur after that and eliminate them. 897 if (Log.isLoggable(TAG, Log.DEBUG)) { 898 Log.d(TAG, "There were extra characters after the last tokenizable entry." 899 + editable); 900 } 901 editable.delete(end + 1, length); 902 } 903 } 904 } 905 906 /** 907 * Create a chip that represents just the email address of a recipient. At some later 908 * point, this chip will be attached to a real contact entry, if one exists. 909 */ 910 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable, 911 boolean visible) { 912 if (alreadyHasChip(tokenStart, tokenEnd)) { 913 // There is already a chip present at this location. 914 // Don't recreate it. 915 return; 916 } 917 String token = editable.toString().substring(tokenStart, tokenEnd); 918 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 919 if (commitCharIndex == token.length() - 1) { 920 token = token.substring(0, token.length() - 1); 921 } 922 RecipientEntry entry = createTokenizedEntry(token); 923 if (entry != null) { 924 String destText = createAddressText(entry); 925 SpannableString chipText = new SpannableString(destText); 926 RecipientChip chip = null; 927 try { 928 if (!mNoChips) { 929 /* 930 * leave space for the contact icon if this is not just an 931 * email address 932 */ 933 boolean leaveSpace = TextUtils.isEmpty(entry.getDisplayName()) 934 || TextUtils.equals(entry.getDisplayName(), 935 entry.getDestination()); 936 chip = visible ? 937 constructChipSpan(entry, tokenStart, false, leaveSpace) 938 : new InvisibleRecipientChip(entry, commitCharIndex); 939 } 940 } catch (NullPointerException e) { 941 Log.e(TAG, e.getMessage(), e); 942 } 943 editable.setSpan(chip, tokenStart, tokenEnd, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 944 // Add this chip to the list of entries "to replace" 945 if (chip != null) { 946 if (mTemporaryRecipients == null) { 947 mTemporaryRecipients = new ArrayList<RecipientChip>(); 948 } 949 chip.setOriginalText(chipText.toString()); 950 mTemporaryRecipients.add(chip); 951 } 952 } 953 } 954 955 private static boolean isPhoneNumber(String number) { 956 // TODO: replace this function with libphonenumber's isPossibleNumber (see 957 // PhoneNumberUtil). One complication is that it requires the sender's region which 958 // comes from the CurrentCountryIso. For now, let's just do this simple match. 959 if (TextUtils.isEmpty(number)) { 960 return false; 961 } 962 963 Matcher match = PHONE_PATTERN.matcher(number); 964 return match.matches(); 965 } 966 967 private RecipientEntry createTokenizedEntry(String token) { 968 if (TextUtils.isEmpty(token)) { 969 return null; 970 } 971 if (isPhoneQuery() && isPhoneNumber(token)) { 972 return RecipientEntry.constructFakeEntry(token, true); 973 } 974 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 975 String display = null; 976 boolean isValid = isValid(token); 977 if (isValid && tokens != null && tokens.length > 0) { 978 // If we can get a name from tokenizing, then generate an entry from 979 // this. 980 display = tokens[0].getName(); 981 if (!TextUtils.isEmpty(display)) { 982 return RecipientEntry.constructGeneratedEntry(display, tokens[0].getAddress(), 983 isValid); 984 } else { 985 display = tokens[0].getAddress(); 986 if (!TextUtils.isEmpty(display)) { 987 return RecipientEntry.constructFakeEntry(display, isValid); 988 } 989 } 990 } 991 // Unable to validate the token or to create a valid token from it. 992 // Just create a chip the user can edit. 993 String validatedToken = null; 994 if (mValidator != null && !isValid) { 995 // Try fixing up the entry using the validator. 996 validatedToken = mValidator.fixText(token).toString(); 997 if (!TextUtils.isEmpty(validatedToken)) { 998 if (validatedToken.contains(token)) { 999 // protect against the case of a validator with a null 1000 // domain, 1001 // which doesn't add a domain to the token 1002 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 1003 if (tokenized.length > 0) { 1004 validatedToken = tokenized[0].getAddress(); 1005 isValid = true; 1006 } 1007 } else { 1008 // We ran into a case where the token was invalid and 1009 // removed 1010 // by the validator. In this case, just use the original 1011 // token 1012 // and let the user sort out the error chip. 1013 validatedToken = null; 1014 isValid = false; 1015 } 1016 } 1017 } 1018 // Otherwise, fallback to just creating an editable email address chip. 1019 return RecipientEntry.constructFakeEntry( 1020 !TextUtils.isEmpty(validatedToken) ? validatedToken : token, isValid); 1021 } 1022 1023 private boolean isValid(String text) { 1024 return mValidator == null ? true : mValidator.isValid(text); 1025 } 1026 1027 private String tokenizeAddress(String destination) { 1028 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1029 if (tokens != null && tokens.length > 0) { 1030 return tokens[0].getAddress(); 1031 } 1032 return destination; 1033 } 1034 1035 @Override 1036 public void setTokenizer(Tokenizer tokenizer) { 1037 mTokenizer = tokenizer; 1038 super.setTokenizer(mTokenizer); 1039 } 1040 1041 @Override 1042 public void setValidator(Validator validator) { 1043 mValidator = validator; 1044 super.setValidator(validator); 1045 } 1046 1047 /** 1048 * We cannot use the default mechanism for replaceText. Instead, 1049 * we override onItemClickListener so we can get all the associated 1050 * contact information including display text, address, and id. 1051 */ 1052 @Override 1053 protected void replaceText(CharSequence text) { 1054 return; 1055 } 1056 1057 /** 1058 * Dismiss any selected chips when the back key is pressed. 1059 */ 1060 @Override 1061 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1062 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1063 clearSelectedChip(); 1064 return true; 1065 } 1066 return super.onKeyPreIme(keyCode, event); 1067 } 1068 1069 /** 1070 * Monitor key presses in this view to see if the user types 1071 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1072 * If the user has entered text that has contact matches and types 1073 * a commit key, create a chip from the topmost matching contact. 1074 * If the user has entered text that has no contact matches and types 1075 * a commit key, then create a chip from the text they have entered. 1076 */ 1077 @Override 1078 public boolean onKeyUp(int keyCode, KeyEvent event) { 1079 switch (keyCode) { 1080 case KeyEvent.KEYCODE_TAB: 1081 if (event.hasNoModifiers()) { 1082 if (mSelectedChip != null) { 1083 clearSelectedChip(); 1084 } else { 1085 commitDefault(); 1086 } 1087 if (focusNext()) { 1088 return true; 1089 } 1090 } 1091 break; 1092 } 1093 return super.onKeyUp(keyCode, event); 1094 } 1095 1096 private boolean focusNext() { 1097 View next = focusSearch(View.FOCUS_DOWN); 1098 if (next != null) { 1099 next.requestFocus(); 1100 return true; 1101 } 1102 return false; 1103 } 1104 1105 /** 1106 * Create a chip from the default selection. If the popup is showing, the 1107 * default is the first item in the popup suggestions list. Otherwise, it is 1108 * whatever the user had typed in. End represents where the the tokenizer 1109 * should search for a token to turn into a chip. 1110 * @return If a chip was created from a real contact. 1111 */ 1112 private boolean commitDefault() { 1113 // If there is no tokenizer, don't try to commit. 1114 if (mTokenizer == null) { 1115 return false; 1116 } 1117 Editable editable = getText(); 1118 int end = getSelectionEnd(); 1119 int start = mTokenizer.findTokenStart(editable, end); 1120 1121 if (shouldCreateChip(start, end)) { 1122 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1123 // In the middle of chip; treat this as an edit 1124 // and commit the whole token. 1125 whatEnd = movePastTerminators(whatEnd); 1126 if (whatEnd != getSelectionEnd()) { 1127 handleEdit(start, whatEnd); 1128 return true; 1129 } 1130 return commitChip(start, end , editable); 1131 } 1132 return false; 1133 } 1134 1135 private void commitByCharacter() { 1136 // We can't possibly commit by character if we can't tokenize. 1137 if (mTokenizer == null) { 1138 return; 1139 } 1140 Editable editable = getText(); 1141 int end = getSelectionEnd(); 1142 int start = mTokenizer.findTokenStart(editable, end); 1143 if (shouldCreateChip(start, end)) { 1144 commitChip(start, end, editable); 1145 } 1146 setSelection(getText().length()); 1147 } 1148 1149 private boolean commitChip(int start, int end, Editable editable) { 1150 ListAdapter adapter = getAdapter(); 1151 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1152 && end == getSelectionEnd() && !isPhoneQuery()) { 1153 // choose the first entry. 1154 submitItemAtPosition(0); 1155 dismissDropDown(); 1156 return true; 1157 } else { 1158 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1159 if (editable.length() > tokenEnd + 1) { 1160 char charAt = editable.charAt(tokenEnd + 1); 1161 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1162 tokenEnd++; 1163 } 1164 } 1165 String text = editable.toString().substring(start, tokenEnd).trim(); 1166 clearComposingText(); 1167 if (text != null && text.length() > 0 && !text.equals(" ")) { 1168 RecipientEntry entry = createTokenizedEntry(text); 1169 if (entry != null) { 1170 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1171 CharSequence chipText = createChip(entry, false); 1172 if (chipText != null && start > -1 && end > -1) { 1173 editable.replace(start, end, chipText); 1174 } 1175 } 1176 // Only dismiss the dropdown if it is related to the text we 1177 // just committed. 1178 // For paste, it may not be as there are possibly multiple 1179 // tokens being added. 1180 if (end == getSelectionEnd()) { 1181 dismissDropDown(); 1182 } 1183 sanitizeBetween(); 1184 return true; 1185 } 1186 } 1187 return false; 1188 } 1189 1190 // Visible for testing. 1191 /* package */ void sanitizeBetween() { 1192 // Don't sanitize while we are waiting for content to chipify. 1193 if (mPendingChipsCount > 0) { 1194 return; 1195 } 1196 // Find the last chip. 1197 RecipientChip[] recips = getSortedRecipients(); 1198 if (recips != null && recips.length > 0) { 1199 RecipientChip last = recips[recips.length - 1]; 1200 RecipientChip beforeLast = null; 1201 if (recips.length > 1) { 1202 beforeLast = recips[recips.length - 2]; 1203 } 1204 int startLooking = 0; 1205 int end = getSpannable().getSpanStart(last); 1206 if (beforeLast != null) { 1207 startLooking = getSpannable().getSpanEnd(beforeLast); 1208 Editable text = getText(); 1209 if (startLooking == -1 || startLooking > text.length() - 1) { 1210 // There is nothing after this chip. 1211 return; 1212 } 1213 if (text.charAt(startLooking) == ' ') { 1214 startLooking++; 1215 } 1216 } 1217 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1218 getText().delete(startLooking, end); 1219 } 1220 } 1221 } 1222 1223 private boolean shouldCreateChip(int start, int end) { 1224 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1225 } 1226 1227 private boolean alreadyHasChip(int start, int end) { 1228 if (mNoChips) { 1229 return true; 1230 } 1231 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1232 if ((chips == null || chips.length == 0)) { 1233 return false; 1234 } 1235 return true; 1236 } 1237 1238 private void handleEdit(int start, int end) { 1239 if (start == -1 || end == -1) { 1240 // This chip no longer exists in the field. 1241 dismissDropDown(); 1242 return; 1243 } 1244 // This is in the middle of a chip, so select out the whole chip 1245 // and commit it. 1246 Editable editable = getText(); 1247 setSelection(end); 1248 String text = getText().toString().substring(start, end); 1249 if (!TextUtils.isEmpty(text)) { 1250 RecipientEntry entry = RecipientEntry.constructFakeEntry(text, isValid(text)); 1251 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1252 CharSequence chipText = createChip(entry, false); 1253 int selEnd = getSelectionEnd(); 1254 if (chipText != null && start > -1 && selEnd > -1) { 1255 editable.replace(start, selEnd, chipText); 1256 } 1257 } 1258 dismissDropDown(); 1259 } 1260 1261 /** 1262 * If there is a selected chip, delegate the key events 1263 * to the selected chip. 1264 */ 1265 @Override 1266 public boolean onKeyDown(int keyCode, KeyEvent event) { 1267 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1268 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1269 mAlternatesPopup.dismiss(); 1270 } 1271 removeChip(mSelectedChip); 1272 } 1273 1274 switch (keyCode) { 1275 case KeyEvent.KEYCODE_ENTER: 1276 case KeyEvent.KEYCODE_DPAD_CENTER: 1277 if (event.hasNoModifiers()) { 1278 if (commitDefault()) { 1279 return true; 1280 } 1281 if (mSelectedChip != null) { 1282 clearSelectedChip(); 1283 return true; 1284 } else if (focusNext()) { 1285 return true; 1286 } 1287 } 1288 break; 1289 } 1290 1291 return super.onKeyDown(keyCode, event); 1292 } 1293 1294 // Visible for testing. 1295 /* package */ Spannable getSpannable() { 1296 return getText(); 1297 } 1298 1299 private int getChipStart(RecipientChip chip) { 1300 return getSpannable().getSpanStart(chip); 1301 } 1302 1303 private int getChipEnd(RecipientChip chip) { 1304 return getSpannable().getSpanEnd(chip); 1305 } 1306 1307 /** 1308 * Instead of filtering on the entire contents of the edit box, 1309 * this subclass method filters on the range from 1310 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1311 * if the length of that range meets or exceeds {@link #getThreshold} 1312 * and makes sure that the range is not already a Chip. 1313 */ 1314 @Override 1315 protected void performFiltering(CharSequence text, int keyCode) { 1316 boolean isCompletedToken = isCompletedToken(text); 1317 if (enoughToFilter() && !isCompletedToken) { 1318 int end = getSelectionEnd(); 1319 int start = mTokenizer.findTokenStart(text, end); 1320 // If this is a RecipientChip, don't filter 1321 // on its contents. 1322 Spannable span = getSpannable(); 1323 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1324 if (chips != null && chips.length > 0) { 1325 return; 1326 } 1327 } else if (isCompletedToken) { 1328 return; 1329 } 1330 super.performFiltering(text, keyCode); 1331 } 1332 1333 // Visible for testing. 1334 /*package*/ boolean isCompletedToken(CharSequence text) { 1335 if (TextUtils.isEmpty(text)) { 1336 return false; 1337 } 1338 // Check to see if this is a completed token before filtering. 1339 int end = text.length(); 1340 int start = mTokenizer.findTokenStart(text, end); 1341 String token = text.toString().substring(start, end).trim(); 1342 if (!TextUtils.isEmpty(token)) { 1343 char atEnd = token.charAt(token.length() - 1); 1344 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1345 } 1346 return false; 1347 } 1348 1349 private void clearSelectedChip() { 1350 if (mSelectedChip != null) { 1351 unselectChip(mSelectedChip); 1352 mSelectedChip = null; 1353 } 1354 setCursorVisible(true); 1355 } 1356 1357 /** 1358 * Monitor touch events in the RecipientEditTextView. 1359 * If the view does not have focus, any tap on the view 1360 * will just focus the view. If the view has focus, determine 1361 * if the touch target is a recipient chip. If it is and the chip 1362 * is not selected, select it and clear any other selected chips. 1363 * If it isn't, then select that chip. 1364 */ 1365 @Override 1366 public boolean onTouchEvent(MotionEvent event) { 1367 if (!isFocused()) { 1368 // Ignore any chip taps until this view is focused. 1369 return super.onTouchEvent(event); 1370 } 1371 boolean handled = super.onTouchEvent(event); 1372 int action = event.getAction(); 1373 boolean chipWasSelected = false; 1374 if (mSelectedChip == null) { 1375 mGestureDetector.onTouchEvent(event); 1376 } 1377 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1378 float x = event.getX(); 1379 float y = event.getY(); 1380 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1381 RecipientChip currentChip = findChip(offset); 1382 if (currentChip != null) { 1383 if (action == MotionEvent.ACTION_UP) { 1384 if (mSelectedChip != null && mSelectedChip != currentChip) { 1385 clearSelectedChip(); 1386 mSelectedChip = selectChip(currentChip); 1387 } else if (mSelectedChip == null) { 1388 setSelection(getText().length()); 1389 commitDefault(); 1390 mSelectedChip = selectChip(currentChip); 1391 } else { 1392 onClick(mSelectedChip, offset, x, y); 1393 } 1394 } 1395 chipWasSelected = true; 1396 handled = true; 1397 } else if (mSelectedChip != null && shouldShowEditableText(mSelectedChip)) { 1398 chipWasSelected = true; 1399 } 1400 } 1401 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1402 clearSelectedChip(); 1403 } 1404 return handled; 1405 } 1406 1407 private void scrollLineIntoView(int line) { 1408 if (mScrollView != null) { 1409 mScrollView.smoothScrollBy(0, calculateOffsetFromBottom(line)); 1410 } 1411 } 1412 1413 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1414 int width, Context context) { 1415 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1416 int bottom; 1417 if (line == getLineCount() -1) { 1418 bottom = 0; 1419 } else { 1420 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1421 - line))); 1422 } 1423 // Align the alternates popup with the left side of the View, 1424 // regardless of the position of the chip tapped. 1425 alternatesPopup.setWidth(width); 1426 alternatesPopup.setAnchorView(this); 1427 alternatesPopup.setVerticalOffset(bottom); 1428 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1429 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1430 // Clear the checked item. 1431 mCheckedItem = -1; 1432 alternatesPopup.show(); 1433 ListView listView = alternatesPopup.getListView(); 1434 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1435 // Checked item would be -1 if the adapter has not 1436 // loaded the view that should be checked yet. The 1437 // variable will be set correctly when onCheckedItemChanged 1438 // is called in a separate thread. 1439 if (mCheckedItem != -1) { 1440 listView.setItemChecked(mCheckedItem, true); 1441 mCheckedItem = -1; 1442 } 1443 } 1444 1445 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1446 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1447 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1448 } 1449 1450 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1451 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1452 .getEntry()); 1453 } 1454 1455 @Override 1456 public void onCheckedItemChanged(int position) { 1457 ListView listView = mAlternatesPopup.getListView(); 1458 if (listView != null && listView.getCheckedItemCount() == 0) { 1459 listView.setItemChecked(position, true); 1460 } 1461 mCheckedItem = position; 1462 } 1463 1464 // TODO: This algorithm will need a lot of tweaking after more people have used 1465 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1466 // what comes before the finger. 1467 private int putOffsetInRange(int o) { 1468 int offset = o; 1469 Editable text = getText(); 1470 int length = text.length(); 1471 // Remove whitespace from end to find "real end" 1472 int realLength = length; 1473 for (int i = length - 1; i >= 0; i--) { 1474 if (text.charAt(i) == ' ') { 1475 realLength--; 1476 } else { 1477 break; 1478 } 1479 } 1480 1481 // If the offset is beyond or at the end of the text, 1482 // leave it alone. 1483 if (offset >= realLength) { 1484 return offset; 1485 } 1486 Editable editable = getText(); 1487 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1488 // Keep walking backward! 1489 offset--; 1490 } 1491 return offset; 1492 } 1493 1494 private int findText(Editable text, int offset) { 1495 if (text.charAt(offset) != ' ') { 1496 return offset; 1497 } 1498 return -1; 1499 } 1500 1501 private RecipientChip findChip(int offset) { 1502 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1503 // Find the chip that contains this offset. 1504 for (int i = 0; i < chips.length; i++) { 1505 RecipientChip chip = chips[i]; 1506 int start = getChipStart(chip); 1507 int end = getChipEnd(chip); 1508 if (offset >= start && offset <= end) { 1509 return chip; 1510 } 1511 } 1512 return null; 1513 } 1514 1515 // Visible for testing. 1516 // Use this method to generate text to add to the list of addresses. 1517 /* package */String createAddressText(RecipientEntry entry) { 1518 String display = entry.getDisplayName(); 1519 String address = entry.getDestination(); 1520 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1521 display = null; 1522 } 1523 String trimmedDisplayText; 1524 if (isPhoneQuery() && isPhoneNumber(address)) { 1525 trimmedDisplayText = address.trim(); 1526 } else { 1527 if (address != null) { 1528 // Tokenize out the address in case the address already 1529 // contained the username as well. 1530 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1531 if (tokenized != null && tokenized.length > 0) { 1532 address = tokenized[0].getAddress(); 1533 } 1534 } 1535 Rfc822Token token = new Rfc822Token(display, address, null); 1536 trimmedDisplayText = token.toString().trim(); 1537 } 1538 int index = trimmedDisplayText.indexOf(","); 1539 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1540 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1541 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1542 } 1543 1544 // Visible for testing. 1545 // Use this method to generate text to display in a chip. 1546 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1547 String display = entry.getDisplayName(); 1548 String address = entry.getDestination(); 1549 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1550 display = null; 1551 } 1552 if (!TextUtils.isEmpty(display)) { 1553 return display; 1554 } else if (!TextUtils.isEmpty(address)){ 1555 return address; 1556 } else { 1557 return new Rfc822Token(display, address, null).toString(); 1558 } 1559 } 1560 1561 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1562 String displayText = createAddressText(entry); 1563 if (TextUtils.isEmpty(displayText)) { 1564 return null; 1565 } 1566 SpannableString chipText = null; 1567 // Always leave a blank space at the end of a chip. 1568 int end = getSelectionEnd(); 1569 int start = mTokenizer.findTokenStart(getText(), end); 1570 int textLength = displayText.length()-1; 1571 chipText = new SpannableString(displayText); 1572 if (!mNoChips) { 1573 try { 1574 RecipientChip chip = constructChipSpan(entry, start, pressed, 1575 false /* leave space for contact icon */); 1576 chipText.setSpan(chip, 0, textLength, 1577 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1578 chip.setOriginalText(chipText.toString()); 1579 } catch (NullPointerException e) { 1580 Log.e(TAG, e.getMessage(), e); 1581 return null; 1582 } 1583 } 1584 return chipText; 1585 } 1586 1587 /** 1588 * When an item in the suggestions list has been clicked, create a chip from the 1589 * contact information of the selected item. 1590 */ 1591 @Override 1592 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1593 submitItemAtPosition(position); 1594 } 1595 1596 private void submitItemAtPosition(int position) { 1597 RecipientEntry entry = createValidatedEntry( 1598 (RecipientEntry)getAdapter().getItem(position)); 1599 if (entry == null) { 1600 return; 1601 } 1602 clearComposingText(); 1603 1604 int end = getSelectionEnd(); 1605 int start = mTokenizer.findTokenStart(getText(), end); 1606 1607 Editable editable = getText(); 1608 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1609 CharSequence chip = createChip(entry, false); 1610 if (chip != null && start >= 0 && end >= 0) { 1611 editable.replace(start, end, chip); 1612 } 1613 sanitizeBetween(); 1614 } 1615 1616 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1617 if (item == null) { 1618 return null; 1619 } 1620 final RecipientEntry entry; 1621 // If the display name and the address are the same, or if this is a 1622 // valid contact, but the destination is invalid, then make this a fake 1623 // recipient that is editable. 1624 String destination = item.getDestination(); 1625 if (!isPhoneQuery() && item.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1626 entry = RecipientEntry.constructGeneratedEntry(item.getDisplayName(), 1627 destination, item.isValid()); 1628 } else if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1629 && (TextUtils.isEmpty(item.getDisplayName()) 1630 || TextUtils.equals(item.getDisplayName(), destination) 1631 || (mValidator != null && !mValidator.isValid(destination)))) { 1632 entry = RecipientEntry.constructFakeEntry(destination, item.isValid()); 1633 } else { 1634 entry = item; 1635 } 1636 return entry; 1637 } 1638 1639 /** Returns a collection of contact Id for each chip inside this View. */ 1640 /* package */ Collection<Long> getContactIds() { 1641 final Set<Long> result = new HashSet<Long>(); 1642 RecipientChip[] chips = getSortedRecipients(); 1643 if (chips != null) { 1644 for (RecipientChip chip : chips) { 1645 result.add(chip.getContactId()); 1646 } 1647 } 1648 return result; 1649 } 1650 1651 1652 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1653 /* package */ Collection<Long> getDataIds() { 1654 final Set<Long> result = new HashSet<Long>(); 1655 RecipientChip [] chips = getSortedRecipients(); 1656 if (chips != null) { 1657 for (RecipientChip chip : chips) { 1658 result.add(chip.getDataId()); 1659 } 1660 } 1661 return result; 1662 } 1663 1664 // Visible for testing. 1665 /* package */RecipientChip[] getSortedRecipients() { 1666 RecipientChip[] recips = getSpannable() 1667 .getSpans(0, getText().length(), RecipientChip.class); 1668 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1669 .asList(recips)); 1670 final Spannable spannable = getSpannable(); 1671 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1672 1673 @Override 1674 public int compare(RecipientChip first, RecipientChip second) { 1675 int firstStart = spannable.getSpanStart(first); 1676 int secondStart = spannable.getSpanStart(second); 1677 if (firstStart < secondStart) { 1678 return -1; 1679 } else if (firstStart > secondStart) { 1680 return 1; 1681 } else { 1682 return 0; 1683 } 1684 } 1685 }); 1686 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1687 } 1688 1689 @Override 1690 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1691 return false; 1692 } 1693 1694 @Override 1695 public void onDestroyActionMode(ActionMode mode) { 1696 } 1697 1698 @Override 1699 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1700 return false; 1701 } 1702 1703 /** 1704 * No chips are selectable. 1705 */ 1706 @Override 1707 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1708 return false; 1709 } 1710 1711 // Visible for testing. 1712 /* package */ImageSpan getMoreChip() { 1713 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1714 MoreImageSpan.class); 1715 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1716 } 1717 1718 private MoreImageSpan createMoreSpan(int count) { 1719 String moreText = String.format(mMoreItem.getText().toString(), count); 1720 TextPaint morePaint = new TextPaint(getPaint()); 1721 morePaint.setTextSize(mMoreItem.getTextSize()); 1722 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1723 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1724 + mMoreItem.getPaddingRight(); 1725 int height = getLineHeight(); 1726 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1727 Canvas canvas = new Canvas(drawable); 1728 int adjustedHeight = height; 1729 Layout layout = getLayout(); 1730 if (layout != null) { 1731 adjustedHeight -= layout.getLineDescent(0); 1732 } 1733 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1734 1735 Drawable result = new BitmapDrawable(getResources(), drawable); 1736 result.setBounds(0, 0, width, height); 1737 return new MoreImageSpan(result); 1738 } 1739 1740 // Visible for testing. 1741 /*package*/ void createMoreChipPlainText() { 1742 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1743 Editable text = getText(); 1744 int start = 0; 1745 int end = start; 1746 for (int i = 0; i < CHIP_LIMIT; i++) { 1747 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1748 start = end; // move to the next token and get its end. 1749 } 1750 // Now, count total addresses. 1751 start = 0; 1752 int tokenCount = countTokens(text); 1753 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1754 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1755 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1756 text.replace(end, text.length(), chipText); 1757 mMoreChip = moreSpan; 1758 } 1759 1760 // Visible for testing. 1761 /* package */int countTokens(Editable text) { 1762 int tokenCount = 0; 1763 int start = 0; 1764 while (start < text.length()) { 1765 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1766 tokenCount++; 1767 if (start >= text.length()) { 1768 break; 1769 } 1770 } 1771 return tokenCount; 1772 } 1773 1774 /** 1775 * Create the more chip. The more chip is text that replaces any chips that 1776 * do not fit in the pre-defined available space when the 1777 * RecipientEditTextView loses focus. 1778 */ 1779 // Visible for testing. 1780 /* package */ void createMoreChip() { 1781 if (mNoChips) { 1782 createMoreChipPlainText(); 1783 return; 1784 } 1785 1786 if (!mShouldShrink) { 1787 return; 1788 } 1789 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1790 if (tempMore.length > 0) { 1791 getSpannable().removeSpan(tempMore[0]); 1792 } 1793 RecipientChip[] recipients = getSortedRecipients(); 1794 1795 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1796 mMoreChip = null; 1797 return; 1798 } 1799 Spannable spannable = getSpannable(); 1800 int numRecipients = recipients.length; 1801 int overage = numRecipients - CHIP_LIMIT; 1802 MoreImageSpan moreSpan = createMoreSpan(overage); 1803 mRemovedSpans = new ArrayList<RecipientChip>(); 1804 int totalReplaceStart = 0; 1805 int totalReplaceEnd = 0; 1806 Editable text = getText(); 1807 for (int i = numRecipients - overage; i < recipients.length; i++) { 1808 mRemovedSpans.add(recipients[i]); 1809 if (i == numRecipients - overage) { 1810 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1811 } 1812 if (i == recipients.length - 1) { 1813 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1814 } 1815 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1816 int spanStart = spannable.getSpanStart(recipients[i]); 1817 int spanEnd = spannable.getSpanEnd(recipients[i]); 1818 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1819 } 1820 spannable.removeSpan(recipients[i]); 1821 } 1822 if (totalReplaceEnd < text.length()) { 1823 totalReplaceEnd = text.length(); 1824 } 1825 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1826 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1827 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1828 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1829 text.replace(start, end, chipText); 1830 mMoreChip = moreSpan; 1831 // If adding the +more chip goes over the limit, resize accordingly. 1832 if (!isPhoneQuery() && getLineCount() > mMaxLines) { 1833 setMaxLines(getLineCount()); 1834 } 1835 } 1836 1837 /** 1838 * Replace the more chip, if it exists, with all of the recipient chips it had 1839 * replaced when the RecipientEditTextView gains focus. 1840 */ 1841 // Visible for testing. 1842 /*package*/ void removeMoreChip() { 1843 if (mMoreChip != null) { 1844 Spannable span = getSpannable(); 1845 span.removeSpan(mMoreChip); 1846 mMoreChip = null; 1847 // Re-add the spans that were removed. 1848 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1849 // Recreate each removed span. 1850 RecipientChip[] recipients = getSortedRecipients(); 1851 // Start the search for tokens after the last currently visible 1852 // chip. 1853 if (recipients == null || recipients.length == 0) { 1854 return; 1855 } 1856 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1857 Editable editable = getText(); 1858 for (RecipientChip chip : mRemovedSpans) { 1859 int chipStart; 1860 int chipEnd; 1861 String token; 1862 // Need to find the location of the chip, again. 1863 token = (String) chip.getOriginalText(); 1864 // As we find the matching recipient for the remove spans, 1865 // reduce the size of the string we need to search. 1866 // That way, if there are duplicates, we always find the correct 1867 // recipient. 1868 chipStart = editable.toString().indexOf(token, end); 1869 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1870 // Only set the span if we found a matching token. 1871 if (chipStart != -1) { 1872 if (chip instanceof InvisibleRecipientChip) { 1873 /* 1874 * We want the original text to be displayed until we can replace it 1875 * with a real chip 1876 */ 1877 ((InvisibleRecipientChip) chip).setDisplayOriginalText(true); 1878 } 1879 editable.setSpan(chip, chipStart, chipEnd, 1880 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1881 } 1882 } 1883 mRemovedSpans.clear(); 1884 } 1885 } 1886 } 1887 1888 /** 1889 * Show specified chip as selected. If the RecipientChip is just an email address, 1890 * selecting the chip will take the contents of the chip and place it at 1891 * the end of the RecipientEditTextView for inline editing. If the 1892 * RecipientChip is a complete contact, then selecting the chip 1893 * will change the background color of the chip, show the delete icon, 1894 * and a popup window with the address in use highlighted and any other 1895 * alternate addresses for the contact. 1896 * @param currentChip Chip to select. 1897 * @return A RecipientChip in the selected state or null if the chip 1898 * just contained an email address. 1899 */ 1900 private RecipientChip selectChip(RecipientChip currentChip) { 1901 if (shouldShowEditableText(currentChip)) { 1902 CharSequence text = currentChip.getValue(); 1903 Editable editable = getText(); 1904 Spannable spannable = getSpannable(); 1905 int spanStart = spannable.getSpanStart(currentChip); 1906 int spanEnd = spannable.getSpanEnd(currentChip); 1907 spannable.removeSpan(currentChip); 1908 editable.delete(spanStart, spanEnd); 1909 setCursorVisible(true); 1910 setSelection(editable.length()); 1911 editable.append(text); 1912 return constructChipSpan( 1913 RecipientEntry.constructFakeEntry((String) text, isValid(text.toString())), 1914 getSelectionStart(), true, false); 1915 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1916 int start = getChipStart(currentChip); 1917 int end = getChipEnd(currentChip); 1918 getSpannable().removeSpan(currentChip); 1919 RecipientChip newChip; 1920 try { 1921 if (mNoChips) { 1922 return null; 1923 } 1924 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1925 } catch (NullPointerException e) { 1926 Log.e(TAG, e.getMessage(), e); 1927 return null; 1928 } 1929 Editable editable = getText(); 1930 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1931 if (start == -1 || end == -1) { 1932 Log.d(TAG, "The chip being selected no longer exists but should."); 1933 } else { 1934 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1935 } 1936 newChip.setSelected(true); 1937 if (shouldShowEditableText(newChip)) { 1938 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1939 } 1940 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1941 setCursorVisible(false); 1942 return newChip; 1943 } else { 1944 int start = getChipStart(currentChip); 1945 int end = getChipEnd(currentChip); 1946 getSpannable().removeSpan(currentChip); 1947 RecipientChip newChip; 1948 try { 1949 newChip = constructChipSpan(currentChip.getEntry(), start, true, false); 1950 } catch (NullPointerException e) { 1951 Log.e(TAG, e.getMessage(), e); 1952 return null; 1953 } 1954 Editable editable = getText(); 1955 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1956 if (start == -1 || end == -1) { 1957 Log.d(TAG, "The chip being selected no longer exists but should."); 1958 } else { 1959 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1960 } 1961 newChip.setSelected(true); 1962 if (shouldShowEditableText(newChip)) { 1963 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1964 } 1965 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1966 setCursorVisible(false); 1967 return newChip; 1968 } 1969 } 1970 1971 private boolean shouldShowEditableText(RecipientChip currentChip) { 1972 long contactId = currentChip.getContactId(); 1973 return contactId == RecipientEntry.INVALID_CONTACT 1974 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 1975 } 1976 1977 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1978 int width, Context context) { 1979 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1980 int bottom = calculateOffsetFromBottom(line); 1981 // Align the alternates popup with the left side of the View, 1982 // regardless of the position of the chip tapped. 1983 popup.setWidth(width); 1984 popup.setAnchorView(this); 1985 popup.setVerticalOffset(bottom); 1986 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1987 popup.setOnItemClickListener(new OnItemClickListener() { 1988 @Override 1989 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1990 unselectChip(currentChip); 1991 popup.dismiss(); 1992 } 1993 }); 1994 popup.show(); 1995 ListView listView = popup.getListView(); 1996 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1997 listView.setItemChecked(0, true); 1998 } 1999 2000 /** 2001 * Remove selection from this chip. Unselecting a RecipientChip will render 2002 * the chip without a delete icon and with an unfocused background. This is 2003 * called when the RecipientChip no longer has focus. 2004 */ 2005 private void unselectChip(RecipientChip chip) { 2006 int start = getChipStart(chip); 2007 int end = getChipEnd(chip); 2008 Editable editable = getText(); 2009 mSelectedChip = null; 2010 if (start == -1 || end == -1) { 2011 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 2012 setSelection(editable.length()); 2013 commitDefault(); 2014 } else { 2015 getSpannable().removeSpan(chip); 2016 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 2017 editable.removeSpan(chip); 2018 try { 2019 if (!mNoChips) { 2020 editable.setSpan(constructChipSpan(chip.getEntry(), start, false, false), 2021 start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2022 } 2023 } catch (NullPointerException e) { 2024 Log.e(TAG, e.getMessage(), e); 2025 } 2026 } 2027 setCursorVisible(true); 2028 setSelection(editable.length()); 2029 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 2030 mAlternatesPopup.dismiss(); 2031 } 2032 } 2033 2034 /** 2035 * Return whether a touch event was inside the delete target of 2036 * a selected chip. It is in the delete target if: 2037 * 1) the x and y points of the event are within the 2038 * delete assset. 2039 * 2) the point tapped would have caused a cursor to appear 2040 * right after the selected chip. 2041 * @return boolean 2042 */ 2043 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2044 // Figure out the bounds of this chip and whether or not 2045 // the user clicked in the X portion. 2046 return chip.isSelected() && offset == getChipEnd(chip); 2047 } 2048 2049 /** 2050 * Remove the chip and any text associated with it from the RecipientEditTextView. 2051 */ 2052 // Visible for testing. 2053 /*pacakge*/ void removeChip(RecipientChip chip) { 2054 Spannable spannable = getSpannable(); 2055 int spanStart = spannable.getSpanStart(chip); 2056 int spanEnd = spannable.getSpanEnd(chip); 2057 Editable text = getText(); 2058 int toDelete = spanEnd; 2059 boolean wasSelected = chip == mSelectedChip; 2060 // Clear that there is a selected chip before updating any text. 2061 if (wasSelected) { 2062 mSelectedChip = null; 2063 } 2064 // Always remove trailing spaces when removing a chip. 2065 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2066 toDelete++; 2067 } 2068 spannable.removeSpan(chip); 2069 if (spanStart >= 0 && toDelete > 0) { 2070 text.delete(spanStart, toDelete); 2071 } 2072 if (wasSelected) { 2073 clearSelectedChip(); 2074 } 2075 } 2076 2077 /** 2078 * Replace this currently selected chip with a new chip 2079 * that uses the contact data provided. 2080 */ 2081 // Visible for testing. 2082 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2083 boolean wasSelected = chip == mSelectedChip; 2084 if (wasSelected) { 2085 mSelectedChip = null; 2086 } 2087 int start = getChipStart(chip); 2088 int end = getChipEnd(chip); 2089 getSpannable().removeSpan(chip); 2090 Editable editable = getText(); 2091 CharSequence chipText = createChip(entry, false); 2092 if (chipText != null) { 2093 if (start == -1 || end == -1) { 2094 Log.e(TAG, "The chip to replace does not exist but should."); 2095 editable.insert(0, chipText); 2096 } else { 2097 if (!TextUtils.isEmpty(chipText)) { 2098 // There may be a space to replace with this chip's new 2099 // associated space. Check for it 2100 int toReplace = end; 2101 while (toReplace >= 0 && toReplace < editable.length() 2102 && editable.charAt(toReplace) == ' ') { 2103 toReplace++; 2104 } 2105 editable.replace(start, toReplace, chipText); 2106 } 2107 } 2108 } 2109 setCursorVisible(true); 2110 if (wasSelected) { 2111 clearSelectedChip(); 2112 } 2113 } 2114 2115 /** 2116 * Handle click events for a chip. When a selected chip receives a click 2117 * event, see if that event was in the delete icon. If so, delete it. 2118 * Otherwise, unselect the chip. 2119 */ 2120 public void onClick(RecipientChip chip, int offset, float x, float y) { 2121 if (chip.isSelected()) { 2122 if (isInDelete(chip, offset, x, y)) { 2123 removeChip(chip); 2124 } else { 2125 clearSelectedChip(); 2126 } 2127 } 2128 } 2129 2130 private boolean chipsPending() { 2131 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2132 } 2133 2134 @Override 2135 public void removeTextChangedListener(TextWatcher watcher) { 2136 mTextWatcher = null; 2137 super.removeTextChangedListener(watcher); 2138 } 2139 2140 private class RecipientTextWatcher implements TextWatcher { 2141 2142 @Override 2143 public void afterTextChanged(Editable s) { 2144 // If the text has been set to null or empty, make sure we remove 2145 // all the spans we applied. 2146 if (TextUtils.isEmpty(s)) { 2147 // Remove all the chips spans. 2148 Spannable spannable = getSpannable(); 2149 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2150 RecipientChip.class); 2151 for (RecipientChip chip : chips) { 2152 spannable.removeSpan(chip); 2153 } 2154 if (mMoreChip != null) { 2155 spannable.removeSpan(mMoreChip); 2156 } 2157 return; 2158 } 2159 // Get whether there are any recipients pending addition to the 2160 // view. If there are, don't do anything in the text watcher. 2161 if (chipsPending()) { 2162 return; 2163 } 2164 // If the user is editing a chip, don't clear it. 2165 if (mSelectedChip != null) { 2166 if (!isGeneratedContact(mSelectedChip)) { 2167 setCursorVisible(true); 2168 setSelection(getText().length()); 2169 clearSelectedChip(); 2170 } else { 2171 return; 2172 } 2173 } 2174 int length = s.length(); 2175 // Make sure there is content there to parse and that it is 2176 // not just the commit character. 2177 if (length > 1) { 2178 if (lastCharacterIsCommitCharacter(s)) { 2179 commitByCharacter(); 2180 return; 2181 } 2182 char last; 2183 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2184 int len = length() - 1; 2185 if (end != len) { 2186 last = s.charAt(end); 2187 } else { 2188 last = s.charAt(len); 2189 } 2190 if (last == COMMIT_CHAR_SPACE) { 2191 if (!isPhoneQuery()) { 2192 // Check if this is a valid email address. If it is, 2193 // commit it. 2194 String text = getText().toString(); 2195 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2196 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2197 tokenStart)); 2198 if (!TextUtils.isEmpty(sub) && mValidator != null && 2199 mValidator.isValid(sub)) { 2200 commitByCharacter(); 2201 } 2202 } 2203 } 2204 } 2205 } 2206 2207 @Override 2208 public void onTextChanged(CharSequence s, int start, int before, int count) { 2209 // The user deleted some text OR some text was replaced; check to 2210 // see if the insertion point is on a space 2211 // following a chip. 2212 if (before - count == 1) { 2213 // If the item deleted is a space, and the thing before the 2214 // space is a chip, delete the entire span. 2215 int selStart = getSelectionStart(); 2216 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2217 RecipientChip.class); 2218 if (repl.length > 0) { 2219 // There is a chip there! Just remove it. 2220 Editable editable = getText(); 2221 // Add the separator token. 2222 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2223 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2224 tokenEnd = tokenEnd + 1; 2225 if (tokenEnd > editable.length()) { 2226 tokenEnd = editable.length(); 2227 } 2228 editable.delete(tokenStart, tokenEnd); 2229 getSpannable().removeSpan(repl[0]); 2230 } 2231 } else if (count > before) { 2232 if (mSelectedChip != null 2233 && isGeneratedContact(mSelectedChip)) { 2234 if (lastCharacterIsCommitCharacter(s)) { 2235 commitByCharacter(); 2236 return; 2237 } 2238 } 2239 } 2240 } 2241 2242 @Override 2243 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2244 // Do nothing. 2245 } 2246 } 2247 2248 public <T extends ListAdapter & Filterable> void setAdapter(T adapter) { 2249 super.setAdapter(adapter); 2250 ((BaseRecipientAdapter) adapter) 2251 .registerUpdateObserver(new BaseRecipientAdapter.EntriesUpdatedObserver() { 2252 @Override 2253 public void onChanged(List<RecipientEntry> entries) { 2254 if (entries != null && entries.size() > 0) { 2255 scrollBottomIntoView(); 2256 } 2257 } 2258 }); 2259 } 2260 2261 private void scrollBottomIntoView() { 2262 if (mScrollView != null && mShouldShrink) { 2263 int[] location = new int[2]; 2264 getLocationOnScreen(location); 2265 int height = getHeight(); 2266 int currentPos = location[1] + height; 2267 // Desired position shows at least 1 line of chips below the action 2268 // bar. 2269 // We add excess padding to make sure this is always below other 2270 // content. 2271 int desiredPos = (int) mChipHeight + mActionBarHeight + getExcessTopPadding(); 2272 if (currentPos > desiredPos) { 2273 mScrollView.scrollBy(0, currentPos - desiredPos); 2274 } 2275 } 2276 } 2277 2278 private int getExcessTopPadding() { 2279 if (sExcessTopPadding == -1) { 2280 sExcessTopPadding = (int) (mChipHeight + mLineSpacingExtra); 2281 } 2282 return sExcessTopPadding; 2283 } 2284 2285 public boolean lastCharacterIsCommitCharacter(CharSequence s) { 2286 char last; 2287 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2288 int len = length() - 1; 2289 if (end != len) { 2290 last = s.charAt(end); 2291 } else { 2292 last = s.charAt(len); 2293 } 2294 return last == COMMIT_CHAR_COMMA || last == COMMIT_CHAR_SEMICOLON; 2295 } 2296 2297 public boolean isGeneratedContact(RecipientChip chip) { 2298 long contactId = chip.getContactId(); 2299 return contactId == RecipientEntry.INVALID_CONTACT 2300 || (!isPhoneQuery() && contactId == RecipientEntry.GENERATED_CONTACT); 2301 } 2302 2303 /** 2304 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2305 */ 2306 private void handlePasteClip(ClipData clip) { 2307 removeTextChangedListener(mTextWatcher); 2308 2309 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2310 for (int i = 0; i < clip.getItemCount(); i++) { 2311 CharSequence paste = clip.getItemAt(i).getText(); 2312 if (paste != null) { 2313 int start = getSelectionStart(); 2314 int end = getSelectionEnd(); 2315 Editable editable = getText(); 2316 if (start >= 0 && end >= 0 && start != end) { 2317 editable.append(paste, start, end); 2318 } else { 2319 editable.insert(end, paste); 2320 } 2321 handlePasteAndReplace(); 2322 } 2323 } 2324 } 2325 2326 mHandler.post(mAddTextWatcher); 2327 } 2328 2329 @Override 2330 public boolean onTextContextMenuItem(int id) { 2331 if (id == android.R.id.paste) { 2332 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2333 Context.CLIPBOARD_SERVICE); 2334 handlePasteClip(clipboard.getPrimaryClip()); 2335 return true; 2336 } 2337 return super.onTextContextMenuItem(id); 2338 } 2339 2340 private void handlePasteAndReplace() { 2341 ArrayList<RecipientChip> created = handlePaste(); 2342 if (created != null && created.size() > 0) { 2343 // Perform reverse lookups on the pasted contacts. 2344 IndividualReplacementTask replace = new IndividualReplacementTask(); 2345 replace.execute(created); 2346 } 2347 } 2348 2349 // Visible for testing. 2350 /* package */ArrayList<RecipientChip> handlePaste() { 2351 String text = getText().toString(); 2352 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2353 String lastAddress = text.substring(originalTokenStart); 2354 int tokenStart = originalTokenStart; 2355 int prevTokenStart = tokenStart; 2356 RecipientChip findChip = null; 2357 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2358 if (tokenStart != 0) { 2359 // There are things before this! 2360 while (tokenStart != 0 && findChip == null) { 2361 prevTokenStart = tokenStart; 2362 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2363 findChip = findChip(tokenStart); 2364 } 2365 if (tokenStart != originalTokenStart) { 2366 if (findChip != null) { 2367 tokenStart = prevTokenStart; 2368 } 2369 int tokenEnd; 2370 RecipientChip createdChip; 2371 while (tokenStart < originalTokenStart) { 2372 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2373 tokenStart)); 2374 commitChip(tokenStart, tokenEnd, getText()); 2375 createdChip = findChip(tokenStart); 2376 if (createdChip == null) { 2377 break; 2378 } 2379 // +1 for the space at the end. 2380 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2381 created.add(createdChip); 2382 } 2383 } 2384 } 2385 // Take a look at the last token. If the token has been completed with a 2386 // commit character, create a chip. 2387 if (isCompletedToken(lastAddress)) { 2388 Editable editable = getText(); 2389 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2390 commitChip(tokenStart, editable.length(), editable); 2391 created.add(findChip(tokenStart)); 2392 } 2393 return created; 2394 } 2395 2396 // Visible for testing. 2397 /* package */int movePastTerminators(int tokenEnd) { 2398 if (tokenEnd >= length()) { 2399 return tokenEnd; 2400 } 2401 char atEnd = getText().toString().charAt(tokenEnd); 2402 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2403 tokenEnd++; 2404 } 2405 // This token had not only an end token character, but also a space 2406 // separating it from the next token. 2407 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2408 tokenEnd++; 2409 } 2410 return tokenEnd; 2411 } 2412 2413 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2414 private RecipientChip createFreeChip(RecipientEntry entry) { 2415 try { 2416 if (mNoChips) { 2417 return null; 2418 } 2419 return constructChipSpan(entry, -1, false, 2420 false /*leave space for contact icon */); 2421 } catch (NullPointerException e) { 2422 Log.e(TAG, e.getMessage(), e); 2423 return null; 2424 } 2425 } 2426 2427 @Override 2428 protected Void doInBackground(Void... params) { 2429 if (mIndividualReplacements != null) { 2430 mIndividualReplacements.cancel(true); 2431 } 2432 // For each chip in the list, look up the matching contact. 2433 // If there is a match, replace that chip with the matching 2434 // chip. 2435 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2436 RecipientChip[] existingChips = getSortedRecipients(); 2437 for (int i = 0; i < existingChips.length; i++) { 2438 originalRecipients.add(existingChips[i]); 2439 } 2440 if (mRemovedSpans != null) { 2441 originalRecipients.addAll(mRemovedSpans); 2442 } 2443 ArrayList<String> addresses = new ArrayList<String>(); 2444 RecipientChip chip; 2445 for (int i = 0; i < originalRecipients.size(); i++) { 2446 chip = originalRecipients.get(i); 2447 if (chip != null) { 2448 addresses.add(createAddressText(chip.getEntry())); 2449 } 2450 } 2451 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2452 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2453 new RecipientMatchCallback() { 2454 2455 @Override 2456 public void matchesFound(HashMap<String, RecipientEntry> entries) { 2457 final ArrayList<RecipientChip> replacements = 2458 new ArrayList<RecipientChip>(); 2459 for (final RecipientChip temp : originalRecipients) { 2460 RecipientEntry entry = null; 2461 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2462 .getContactId()) 2463 && getSpannable().getSpanStart(temp) != -1) { 2464 // Replace this. 2465 entry = createValidatedEntry( 2466 entries.get(tokenizeAddress(temp.getEntry() 2467 .getDestination()))); 2468 } 2469 if (entry != null) { 2470 replacements.add(createFreeChip(entry)); 2471 } else { 2472 replacements.add(null); 2473 } 2474 } 2475 if (replacements != null && replacements.size() > 0) { 2476 mHandler.post(new Runnable() { 2477 @Override 2478 public void run() { 2479 Editable oldText = getText(); 2480 int start, end; 2481 int i = 0; 2482 for (RecipientChip chip : originalRecipients) { 2483 // Find the location of the chip in 2484 // the text currently shown. 2485 start = oldText.getSpanStart(chip); 2486 if (start != -1) { 2487 RecipientChip replacement = replacements.get(i); 2488 if (replacement != null) { 2489 // Replacing the entirety of 2490 // what the chip 2491 // represented, including 2492 // the extra space dividing 2493 // it from other chips. 2494 end = oldText.getSpanEnd(chip) + 1; 2495 oldText.removeSpan(chip); 2496 // Make sure we always have just 1 space at the 2497 // end to separate this chip from the next chip. 2498 SpannableString displayText = 2499 new SpannableString( 2500 createAddressText( 2501 replacement.getEntry()).trim() 2502 + " "); 2503 displayText.setSpan(replacement, 0, 2504 displayText.length() - 1, 2505 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2506 // Replace the old text we 2507 // found with with the new 2508 // display text, which now 2509 // may also contain the 2510 // display name of the 2511 // recipient. 2512 oldText.replace(start, end, displayText); 2513 replacement.setOriginalText(displayText 2514 .toString()); 2515 replacements.set(i, null); 2516 } 2517 } 2518 i++; 2519 } 2520 } 2521 }); 2522 } 2523 } 2524 }); 2525 return null; 2526 } 2527 } 2528 2529 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2530 @SuppressWarnings("unchecked") 2531 @Override 2532 protected Void doInBackground(Object... params) { 2533 // For each chip in the list, look up the matching contact. 2534 // If there is a match, replace that chip with the matching 2535 // chip. 2536 final ArrayList<RecipientChip> originalRecipients = 2537 (ArrayList<RecipientChip>) params[0]; 2538 ArrayList<String> addresses = new ArrayList<String>(); 2539 RecipientChip chip; 2540 for (int i = 0; i < originalRecipients.size(); i++) { 2541 chip = originalRecipients.get(i); 2542 if (chip != null) { 2543 addresses.add(createAddressText(chip.getEntry())); 2544 } 2545 } 2546 RecipientAlternatesAdapter.getMatchingRecipients(getContext(), addresses, 2547 ((BaseRecipientAdapter) getAdapter()).getAccount(), 2548 new RecipientMatchCallback() { 2549 2550 @Override 2551 public void matchesFound(HashMap<String, RecipientEntry> entries) { 2552 for (final RecipientChip temp : originalRecipients) { 2553 if (RecipientEntry.isCreatedRecipient(temp.getEntry() 2554 .getContactId()) 2555 && getSpannable().getSpanStart(temp) != -1) { 2556 // Replace this. 2557 RecipientEntry entry = createValidatedEntry(entries 2558 .get(tokenizeAddress(temp.getEntry().getDestination()) 2559 .toLowerCase())); 2560 // If we don't have a validated contact 2561 // match, just use the 2562 // entry as it existed before. 2563 if (entry == null && !isPhoneQuery()) { 2564 entry = temp.getEntry(); 2565 } 2566 final RecipientEntry tempEntry = entry; 2567 if (tempEntry != null) { 2568 mHandler.post(new Runnable() { 2569 @Override 2570 public void run() { 2571 replaceChip(temp, tempEntry); 2572 } 2573 }); 2574 } 2575 } 2576 } 2577 } 2578 2579 }); 2580 return null; 2581 } 2582 } 2583 2584 2585 /** 2586 * MoreImageSpan is a simple class created for tracking the existence of a 2587 * more chip across activity restarts/ 2588 */ 2589 private class MoreImageSpan extends ImageSpan { 2590 public MoreImageSpan(Drawable b) { 2591 super(b); 2592 } 2593 } 2594 2595 @Override 2596 public boolean onDown(MotionEvent e) { 2597 return false; 2598 } 2599 2600 @Override 2601 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2602 // Do nothing. 2603 return false; 2604 } 2605 2606 @Override 2607 public void onLongPress(MotionEvent event) { 2608 if (mSelectedChip != null) { 2609 return; 2610 } 2611 float x = event.getX(); 2612 float y = event.getY(); 2613 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2614 RecipientChip currentChip = findChip(offset); 2615 if (currentChip != null) { 2616 if (mDragEnabled) { 2617 // Start drag-and-drop for the selected chip. 2618 startDrag(currentChip); 2619 } else { 2620 // Copy the selected chip email address. 2621 showCopyDialog(currentChip.getEntry().getDestination()); 2622 } 2623 } 2624 } 2625 2626 /** 2627 * Enables drag-and-drop for chips. 2628 */ 2629 public void enableDrag() { 2630 mDragEnabled = true; 2631 } 2632 2633 /** 2634 * Starts drag-and-drop for the selected chip. 2635 */ 2636 private void startDrag(RecipientChip currentChip) { 2637 String address = currentChip.getEntry().getDestination(); 2638 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2639 2640 // Start drag mode. 2641 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2642 2643 // Remove the current chip, so drag-and-drop will result in a move. 2644 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2645 removeChip(currentChip); 2646 } 2647 2648 /** 2649 * Handles drag event. 2650 */ 2651 @Override 2652 public boolean onDragEvent(DragEvent event) { 2653 switch (event.getAction()) { 2654 case DragEvent.ACTION_DRAG_STARTED: 2655 // Only handle plain text drag and drop. 2656 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2657 case DragEvent.ACTION_DRAG_ENTERED: 2658 requestFocus(); 2659 return true; 2660 case DragEvent.ACTION_DROP: 2661 handlePasteClip(event.getClipData()); 2662 return true; 2663 } 2664 return false; 2665 } 2666 2667 /** 2668 * Drag shadow for a {@link RecipientChip}. 2669 */ 2670 private final class RecipientChipShadow extends DragShadowBuilder { 2671 private final RecipientChip mChip; 2672 2673 public RecipientChipShadow(RecipientChip chip) { 2674 mChip = chip; 2675 } 2676 2677 @Override 2678 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2679 Rect rect = mChip.getBounds(); 2680 shadowSize.set(rect.width(), rect.height()); 2681 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2682 } 2683 2684 @Override 2685 public void onDrawShadow(Canvas canvas) { 2686 mChip.draw(canvas); 2687 } 2688 } 2689 2690 private void showCopyDialog(final String address) { 2691 mCopyAddress = address; 2692 mCopyDialog.setTitle(address); 2693 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2694 mCopyDialog.setCancelable(true); 2695 mCopyDialog.setCanceledOnTouchOutside(true); 2696 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2697 button.setOnClickListener(this); 2698 int btnTitleId; 2699 if (isPhoneQuery()) { 2700 btnTitleId = R.string.copy_number; 2701 } else { 2702 btnTitleId = R.string.copy_email; 2703 } 2704 String buttonTitle = getContext().getResources().getString(btnTitleId); 2705 button.setText(buttonTitle); 2706 mCopyDialog.setOnDismissListener(this); 2707 mCopyDialog.show(); 2708 } 2709 2710 @Override 2711 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2712 // Do nothing. 2713 return false; 2714 } 2715 2716 @Override 2717 public void onShowPress(MotionEvent e) { 2718 // Do nothing. 2719 } 2720 2721 @Override 2722 public boolean onSingleTapUp(MotionEvent e) { 2723 // Do nothing. 2724 return false; 2725 } 2726 2727 @Override 2728 public void onDismiss(DialogInterface dialog) { 2729 mCopyAddress = null; 2730 } 2731 2732 @Override 2733 public void onClick(View v) { 2734 // Copy this to the clipboard. 2735 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2736 Context.CLIPBOARD_SERVICE); 2737 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2738 mCopyDialog.dismiss(); 2739 } 2740 2741 protected boolean isPhoneQuery() { 2742 return getAdapter() != null 2743 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2744 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2745 } 2746} 2747