RecipientEditTextView.java revision ba14c7b002c0ef9357bcaea64b5c5255183b1b52
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.content.res.Resources; 27import android.content.res.TypedArray; 28import android.graphics.Bitmap; 29import android.graphics.BitmapFactory; 30import android.graphics.Canvas; 31import android.graphics.Matrix; 32import android.graphics.Point; 33import android.graphics.Rect; 34import android.graphics.RectF; 35import android.graphics.drawable.BitmapDrawable; 36import android.graphics.drawable.Drawable; 37import android.os.AsyncTask; 38import android.os.Handler; 39import android.os.Message; 40import android.os.Parcelable; 41import android.text.Editable; 42import android.text.InputType; 43import android.text.Layout; 44import android.text.Spannable; 45import android.text.SpannableString; 46import android.text.SpannableStringBuilder; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.Patterns; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.ListAdapter; 76import android.widget.ListPopupWindow; 77import android.widget.ListView; 78import android.widget.MultiAutoCompleteTextView; 79import android.widget.ScrollView; 80import android.widget.TextView; 81 82import java.util.ArrayList; 83import java.util.Arrays; 84import java.util.Collection; 85import java.util.Collections; 86import java.util.Comparator; 87import java.util.HashMap; 88import java.util.HashSet; 89import java.util.Set; 90import java.util.regex.Matcher; 91 92/** 93 * RecipientEditTextView is an auto complete text view for use with applications 94 * that use the new Chips UI for addressing a message to recipients. 95 */ 96public class RecipientEditTextView extends MultiAutoCompleteTextView implements 97 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 98 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 99 TextView.OnEditorActionListener { 100 101 private static final char COMMIT_CHAR_COMMA = ','; 102 103 private static final char COMMIT_CHAR_SEMICOLON = ';'; 104 105 private static final char COMMIT_CHAR_SPACE = ' '; 106 107 private static final String TAG = "RecipientEditTextView"; 108 109 private static int DISMISS = "dismiss".hashCode(); 110 111 private static final long DISMISS_DELAY = 300; 112 113 // TODO: get correct number/ algorithm from with UX. 114 // Visible for testing. 115 /*package*/ static final int CHIP_LIMIT = 2; 116 117 private static final int MAX_CHIPS_PARSED = 50; 118 119 private static int sSelectedTextColor = -1; 120 121 // Resources for displaying chips. 122 private Drawable mChipBackground = null; 123 124 private Drawable mChipDelete = null; 125 126 private Drawable mInvalidChipBackground; 127 128 private Drawable mChipBackgroundPressed; 129 130 private float mChipHeight; 131 132 private float mChipFontSize; 133 134 private float mLineSpacingExtra; 135 136 private int mChipPadding; 137 138 private Tokenizer mTokenizer; 139 140 private Validator mValidator; 141 142 private RecipientChip mSelectedChip; 143 144 private int mAlternatesLayout; 145 146 private Bitmap mDefaultContactPhoto; 147 148 private ImageSpan mMoreChip; 149 150 private TextView mMoreItem; 151 152 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 153 154 private Handler mHandler; 155 156 private int mPendingChipsCount = 0; 157 158 private boolean mNoChips = false; 159 160 private ListPopupWindow mAlternatesPopup; 161 162 private ListPopupWindow mAddressPopup; 163 164 private ArrayList<RecipientChip> mTemporaryRecipients; 165 166 private ArrayList<RecipientChip> mRemovedSpans; 167 168 private boolean mShouldShrink = true; 169 170 // Chip copy fields. 171 private GestureDetector mGestureDetector; 172 173 private Dialog mCopyDialog; 174 175 private String mCopyAddress; 176 177 /** 178 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 179 * selected chip. 180 */ 181 private OnItemClickListener mAlternatesListener; 182 183 private int mCheckedItem; 184 185 private TextWatcher mTextWatcher; 186 187 // Obtain the enclosing scroll view, if it exists, so that the view can be 188 // scrolled to show the last line of chips content. 189 private ScrollView mScrollView; 190 191 private boolean mTriedGettingScrollView; 192 193 private boolean mDragEnabled = false; 194 195 private final Runnable mAddTextWatcher = new Runnable() { 196 @Override 197 public void run() { 198 if (mTextWatcher == null) { 199 mTextWatcher = new RecipientTextWatcher(); 200 addTextChangedListener(mTextWatcher); 201 } 202 } 203 }; 204 205 private IndividualReplacementTask mIndividualReplacements; 206 207 private Runnable mHandlePendingChips = new Runnable() { 208 209 @Override 210 public void run() { 211 handlePendingChips(); 212 } 213 214 }; 215 216 private Runnable mDelayedShrink = new Runnable() { 217 218 @Override 219 public void run() { 220 shrink(); 221 } 222 223 }; 224 225 public RecipientEditTextView(Context context, AttributeSet attrs) { 226 super(context, attrs); 227 setChipDimensions(context, attrs); 228 if (sSelectedTextColor == -1) { 229 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 230 } 231 mAlternatesPopup = new ListPopupWindow(context); 232 mAddressPopup = new ListPopupWindow(context); 233 mCopyDialog = new Dialog(context); 234 mAlternatesListener = new OnItemClickListener() { 235 @Override 236 public void onItemClick(AdapterView<?> adapterView,View view, int position, 237 long rowId) { 238 mAlternatesPopup.setOnItemClickListener(null); 239 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 240 .getRecipientEntry(position)); 241 Message delayed = Message.obtain(mHandler, DISMISS); 242 delayed.obj = mAlternatesPopup; 243 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 244 clearComposingText(); 245 } 246 }; 247 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 248 setOnItemClickListener(this); 249 setCustomSelectionActionModeCallback(this); 250 mHandler = new Handler() { 251 @Override 252 public void handleMessage(Message msg) { 253 if (msg.what == DISMISS) { 254 ((ListPopupWindow) msg.obj).dismiss(); 255 return; 256 } 257 super.handleMessage(msg); 258 } 259 }; 260 mTextWatcher = new RecipientTextWatcher(); 261 addTextChangedListener(mTextWatcher); 262 mGestureDetector = new GestureDetector(context, this); 263 setOnEditorActionListener(this); 264 } 265 266 @Override 267 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 268 if (action == EditorInfo.IME_ACTION_DONE) { 269 if (commitDefault()) { 270 return true; 271 } 272 if (mSelectedChip != null) { 273 clearSelectedChip(); 274 return true; 275 } else if (focusNext()) { 276 return true; 277 } 278 } 279 return false; 280 } 281 282 @Override 283 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 284 InputConnection connection = super.onCreateInputConnection(outAttrs); 285 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 286 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 287 // clear the existing action 288 outAttrs.imeOptions ^= imeActions; 289 // set the DONE action 290 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 291 } 292 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 293 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 294 } 295 outAttrs.actionLabel = getContext().getString(R.string.done); 296 return connection; 297 } 298 299 /*package*/ RecipientChip getLastChip() { 300 RecipientChip last = null; 301 RecipientChip[] chips = getSortedRecipients(); 302 if (chips != null && chips.length > 0) { 303 last = chips[chips.length - 1]; 304 } 305 return last; 306 } 307 308 @Override 309 public void onSelectionChanged(int start, int end) { 310 // When selection changes, see if it is inside the chips area. 311 // If so, move the cursor back after the chips again. 312 RecipientChip last = getLastChip(); 313 if (last != null && start < getSpannable().getSpanEnd(last)) { 314 // Grab the last chip and set the cursor to after it. 315 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 316 } 317 super.onSelectionChanged(start, end); 318 } 319 320 @Override 321 public void onRestoreInstanceState(Parcelable state) { 322 if (!TextUtils.isEmpty(getText())) { 323 super.onRestoreInstanceState(null); 324 } else { 325 super.onRestoreInstanceState(state); 326 } 327 } 328 329 @Override 330 public Parcelable onSaveInstanceState() { 331 // If the user changes orientation while they are editing, just roll back the selection. 332 clearSelectedChip(); 333 return super.onSaveInstanceState(); 334 } 335 336 /** 337 * Convenience method: Append the specified text slice to the TextView's 338 * display buffer, upgrading it to BufferType.EDITABLE if it was 339 * not already editable. Commas are excluded as they are added automatically 340 * by the view. 341 */ 342 @Override 343 public void append(CharSequence text, int start, int end) { 344 // We don't care about watching text changes while appending. 345 if (mTextWatcher != null) { 346 removeTextChangedListener(mTextWatcher); 347 } 348 super.append(text, start, end); 349 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 350 final String displayString = text.toString(); 351 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 352 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 353 && TextUtils.getTrimmedLength(displayString) > 0) { 354 mPendingChipsCount++; 355 mPendingChips.add(text.toString()); 356 } 357 } 358 // Put a message on the queue to make sure we ALWAYS handle pending chips. 359 if (mPendingChipsCount > 0) { 360 postHandlePendingChips(); 361 } 362 mHandler.post(mAddTextWatcher); 363 } 364 365 @Override 366 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 367 super.onFocusChanged(hasFocus, direction, previous); 368 if (!hasFocus) { 369 shrink(); 370 } else { 371 expand(); 372 } 373 } 374 375 @Override 376 public void performValidation() { 377 // Do nothing. Chips handles its own validation. 378 } 379 380 private void shrink() { 381 if (mTokenizer == null) { 382 return; 383 } 384 if (mSelectedChip != null 385 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 386 clearSelectedChip(); 387 } else { 388 if (getWidth() <= 0) { 389 // We don't have the width yet which means the view hasn't been drawn yet 390 // and there is no reason to attempt to commit chips yet. 391 // This focus lost must be the result of an orientation change 392 // or an initial rendering. 393 // Re-post the shrink for later. 394 mHandler.removeCallbacks(mDelayedShrink); 395 mHandler.post(mDelayedShrink); 396 return; 397 } 398 // Reset any pending chips as they would have been handled 399 // when the field lost focus. 400 if (mPendingChipsCount > 0) { 401 postHandlePendingChips(); 402 } else { 403 Editable editable = getText(); 404 int end = getSelectionEnd(); 405 int start = mTokenizer.findTokenStart(editable, end); 406 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 407 if ((chips == null || chips.length == 0)) { 408 Editable text = getText(); 409 int whatEnd = mTokenizer.findTokenEnd(text, start); 410 // This token was already tokenized, so skip past the ending token. 411 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 412 whatEnd++; 413 } 414 // In the middle of chip; treat this as an edit 415 // and commit the whole token. 416 int selEnd = getSelectionEnd(); 417 if (whatEnd != selEnd) { 418 handleEdit(start, whatEnd); 419 } else { 420 commitChip(start, end, editable); 421 } 422 } 423 } 424 mHandler.post(mAddTextWatcher); 425 } 426 createMoreChip(); 427 } 428 429 private void expand() { 430 removeMoreChip(); 431 setCursorVisible(true); 432 Editable text = getText(); 433 setSelection(text != null && text.length() > 0 ? text.length() : 0); 434 // If there are any temporary chips, try replacing them now that the user 435 // has expanded the field. 436 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 437 new RecipientReplacementTask().execute(); 438 mTemporaryRecipients = null; 439 } 440 } 441 442 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 443 paint.setTextSize(mChipFontSize); 444 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 445 Log.d(TAG, "Max width is negative: " + maxWidth); 446 } 447 return TextUtils.ellipsize(text, paint, maxWidth, 448 TextUtils.TruncateAt.END); 449 } 450 451 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 452 // Ellipsize the text so that it takes AT MOST the entire width of the 453 // autocomplete text entry area. Make sure to leave space for padding 454 // on the sides. 455 int height = (int) mChipHeight; 456 int deleteWidth = height; 457 float[] widths = new float[1]; 458 paint.getTextWidths(" ", widths); 459 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 460 calculateAvailableWidth(true) - deleteWidth - widths[0]); 461 462 // Make sure there is a minimum chip width so the user can ALWAYS 463 // tap a chip without difficulty. 464 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 465 ellipsizedText.length())) 466 + (mChipPadding * 2) + deleteWidth); 467 468 // Create the background of the chip. 469 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 470 Canvas canvas = new Canvas(tmpBitmap); 471 if (mChipBackgroundPressed != null) { 472 mChipBackgroundPressed.setBounds(0, 0, width, height); 473 mChipBackgroundPressed.draw(canvas); 474 paint.setColor(sSelectedTextColor); 475 // Vertically center the text in the chip. 476 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 477 getTextYOffset((String) ellipsizedText, paint, height), paint); 478 // Make the delete a square. 479 Rect backgroundPadding = new Rect(); 480 mChipBackgroundPressed.getPadding(backgroundPadding); 481 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 482 0 + backgroundPadding.top, 483 width - backgroundPadding.right, 484 height - backgroundPadding.bottom); 485 mChipDelete.draw(canvas); 486 } else { 487 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 488 } 489 return tmpBitmap; 490 } 491 492 493 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 494 // Ellipsize the text so that it takes AT MOST the entire width of the 495 // autocomplete text entry area. Make sure to leave space for padding 496 // on the sides. 497 int height = (int) mChipHeight; 498 int iconWidth = height; 499 float[] widths = new float[1]; 500 paint.getTextWidths(" ", widths); 501 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 502 calculateAvailableWidth(false) - iconWidth - widths[0]); 503 // Make sure there is a minimum chip width so the user can ALWAYS 504 // tap a chip without difficulty. 505 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 506 ellipsizedText.length())) 507 + (mChipPadding * 2) + iconWidth); 508 509 // Create the background of the chip. 510 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 511 Canvas canvas = new Canvas(tmpBitmap); 512 Drawable background = getChipBackground(contact); 513 if (background != null) { 514 background.setBounds(0, 0, width, height); 515 background.draw(canvas); 516 517 // Don't draw photos for recipients that have been typed in. 518 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 519 byte[] photoBytes = contact.getPhotoBytes(); 520 // There may not be a photo yet if anything but the first contact address 521 // was selected. 522 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 523 // TODO: cache this in the recipient entry? 524 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 525 .getPhotoThumbnailUri()); 526 photoBytes = contact.getPhotoBytes(); 527 } 528 529 Bitmap photo; 530 if (photoBytes != null) { 531 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 532 } else { 533 // TODO: can the scaled down default photo be cached? 534 photo = mDefaultContactPhoto; 535 } 536 // Draw the photo on the left side. 537 if (photo != null) { 538 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 539 Rect backgroundPadding = new Rect(); 540 mChipBackground.getPadding(backgroundPadding); 541 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 542 0 + backgroundPadding.top, 543 width - backgroundPadding.right, 544 height - backgroundPadding.bottom); 545 Matrix matrix = new Matrix(); 546 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 547 canvas.drawBitmap(photo, matrix, paint); 548 } 549 } else { 550 // Don't leave any space for the icon. It isn't being drawn. 551 iconWidth = 0; 552 } 553 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 554 // Vertically center the text in the chip. 555 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 556 getTextYOffset((String)ellipsizedText, paint, height), paint); 557 } else { 558 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 559 } 560 return tmpBitmap; 561 } 562 563 /** 564 * Get the background drawable for a RecipientChip. 565 */ 566 // Visible for testing. 567 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 568 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 569 mChipBackground : mInvalidChipBackground; 570 } 571 572 private float getTextYOffset(String text, TextPaint paint, int height) { 573 Rect bounds = new Rect(); 574 paint.getTextBounds(text, 0, text.length(), bounds); 575 int textHeight = bounds.bottom - bounds.top ; 576 return height - ((height - textHeight) / 2) - (int)paint.descent(); 577 } 578 579 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 580 throws NullPointerException { 581 if (mChipBackground == null) { 582 throw new NullPointerException( 583 "Unable to render any chips as setChipDimensions was not called."); 584 } 585 Layout layout = getLayout(); 586 587 TextPaint paint = getPaint(); 588 float defaultSize = paint.getTextSize(); 589 int defaultColor = paint.getColor(); 590 591 Bitmap tmpBitmap; 592 if (pressed) { 593 tmpBitmap = createSelectedChip(contact, paint, layout); 594 595 } else { 596 tmpBitmap = createUnselectedChip(contact, paint, layout); 597 } 598 599 // Pass the full text, un-ellipsized, to the chip. 600 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 601 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 602 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 603 // Return text to the original size. 604 paint.setTextSize(defaultSize); 605 paint.setColor(defaultColor); 606 return recipientChip; 607 } 608 609 /** 610 * Calculate the bottom of the line the chip will be located on using: 611 * 1) which line the chip appears on 612 * 2) the height of a chip 613 * 3) padding built into the edit text view 614 */ 615 private int calculateOffsetFromBottom(int line) { 616 // Line offsets start at zero. 617 int actualLine = getLineCount() - (line + 1); 618 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 619 + getDropDownVerticalOffset(); 620 } 621 622 /** 623 * Get the max amount of space a chip can take up. The formula takes into 624 * account the width of the EditTextView, any view padding, and padding 625 * that will be added to the chip. 626 */ 627 private float calculateAvailableWidth(boolean pressed) { 628 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 629 } 630 631 632 private void setChipDimensions(Context context, AttributeSet attrs) { 633 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 634 0); 635 Resources r = getContext().getResources(); 636 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 637 if (mChipBackground == null) { 638 mChipBackground = r.getDrawable(R.drawable.chip_background); 639 } 640 mChipBackgroundPressed = a 641 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 642 if (mChipBackgroundPressed == null) { 643 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 644 } 645 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 646 if (mChipDelete == null) { 647 mChipDelete = r.getDrawable(R.drawable.chip_delete); 648 } 649 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 650 if (mChipPadding == -1) { 651 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 652 } 653 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 654 -1); 655 if (mAlternatesLayout == -1) { 656 mAlternatesLayout = R.layout.chips_alternate_item; 657 } 658 659 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 660 661 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 662 663 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 664 if (mChipHeight == -1) { 665 mChipHeight = r.getDimension(R.dimen.chip_height); 666 } 667 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 668 if (mChipFontSize == -1) { 669 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 670 } 671 mInvalidChipBackground = a 672 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 673 if (mInvalidChipBackground == null) { 674 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 675 } 676 mLineSpacingExtra = context.getResources().getDimension(R.dimen.line_spacing_extra); 677 a.recycle(); 678 } 679 680 // Visible for testing. 681 /* package */ void setMoreItem(TextView moreItem) { 682 mMoreItem = moreItem; 683 } 684 685 686 // Visible for testing. 687 /* package */ void setChipBackground(Drawable chipBackground) { 688 mChipBackground = chipBackground; 689 } 690 691 // Visible for testing. 692 /* package */ void setChipHeight(int height) { 693 mChipHeight = height; 694 } 695 696 /** 697 * Set whether to shrink the recipients field such that at most 698 * one line of recipients chips are shown when the field loses 699 * focus. By default, the number of displayed recipients will be 700 * limited and a "more" chip will be shown when focus is lost. 701 * @param shrink 702 */ 703 public void setOnFocusListShrinkRecipients(boolean shrink) { 704 mShouldShrink = shrink; 705 } 706 707 @Override 708 public void onSizeChanged(int width, int height, int oldw, int oldh) { 709 super.onSizeChanged(width, height, oldw, oldh); 710 if (width != 0 && height != 0) { 711 if (mPendingChipsCount > 0) { 712 postHandlePendingChips(); 713 } else { 714 checkChipWidths(); 715 } 716 } 717 // Try to find the scroll view parent, if it exists. 718 if (mScrollView == null && !mTriedGettingScrollView) { 719 ViewParent parent = getParent(); 720 while (parent != null && !(parent instanceof ScrollView)) { 721 parent = parent.getParent(); 722 } 723 if (parent != null) { 724 mScrollView = (ScrollView) parent; 725 } 726 mTriedGettingScrollView = true; 727 } 728 } 729 730 private void postHandlePendingChips() { 731 mHandler.removeCallbacks(mHandlePendingChips); 732 mHandler.post(mHandlePendingChips); 733 } 734 735 private void checkChipWidths() { 736 // Check the widths of the associated chips. 737 RecipientChip[] chips = getSortedRecipients(); 738 if (chips != null) { 739 Rect bounds; 740 for (RecipientChip chip : chips) { 741 bounds = chip.getDrawable().getBounds(); 742 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 743 // Need to redraw that chip. 744 replaceChip(chip, chip.getEntry()); 745 } 746 } 747 } 748 } 749 750 // Visible for testing. 751 /*package*/ void handlePendingChips() { 752 if (getViewWidth() <= 0) { 753 // The widget has not been sized yet. 754 // This will be called as a result of onSizeChanged 755 // at a later point. 756 return; 757 } 758 if (mPendingChipsCount <= 0) { 759 return; 760 } 761 762 synchronized (mPendingChips) { 763 Editable editable = getText(); 764 // Tokenize! 765 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 766 for (int i = 0; i < mPendingChips.size(); i++) { 767 String current = mPendingChips.get(i); 768 int tokenStart = editable.toString().indexOf(current); 769 int tokenEnd = tokenStart + current.length(); 770 if (tokenStart >= 0) { 771 // When we have a valid token, include it with the token 772 // to the left. 773 if (tokenEnd < editable.length() - 2 774 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 775 tokenEnd++; 776 } 777 createReplacementChip(tokenStart, tokenEnd, editable); 778 } 779 mPendingChipsCount--; 780 } 781 sanitizeEnd(); 782 } else { 783 mNoChips = true; 784 } 785 786 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 787 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 788 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 789 new RecipientReplacementTask().execute(); 790 mTemporaryRecipients = null; 791 } else { 792 // Create the "more" chip 793 mIndividualReplacements = new IndividualReplacementTask(); 794 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 795 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 796 797 createMoreChip(); 798 } 799 } else { 800 // There are too many recipients to look up, so just fall back 801 // to showing addresses for all of them. 802 mTemporaryRecipients = null; 803 createMoreChip(); 804 } 805 mPendingChipsCount = 0; 806 mPendingChips.clear(); 807 } 808 } 809 810 // Visible for testing. 811 /*package*/ int getViewWidth() { 812 return getWidth(); 813 } 814 815 /** 816 * Remove any characters after the last valid chip. 817 */ 818 // Visible for testing. 819 /*package*/ void sanitizeEnd() { 820 // Don't sanitize while we are waiting for pending chips to complete. 821 if (mPendingChipsCount > 0) { 822 return; 823 } 824 // Find the last chip; eliminate any commit characters after it. 825 RecipientChip[] chips = getSortedRecipients(); 826 if (chips != null && chips.length > 0) { 827 int end; 828 ImageSpan lastSpan; 829 mMoreChip = getMoreChip(); 830 if (mMoreChip != null) { 831 lastSpan = mMoreChip; 832 } else { 833 lastSpan = getLastChip(); 834 } 835 end = getSpannable().getSpanEnd(lastSpan); 836 Editable editable = getText(); 837 int length = editable.length(); 838 if (length > end) { 839 // See what characters occur after that and eliminate them. 840 if (Log.isLoggable(TAG, Log.DEBUG)) { 841 Log.d(TAG, "There were extra characters after the last tokenizable entry." 842 + editable); 843 } 844 editable.delete(end + 1, length); 845 } 846 } 847 } 848 849 /** 850 * Create a chip that represents just the email address of a recipient. At some later 851 * point, this chip will be attached to a real contact entry, if one exists. 852 */ 853 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 854 if (alreadyHasChip(tokenStart, tokenEnd)) { 855 // There is already a chip present at this location. 856 // Don't recreate it. 857 return; 858 } 859 String token = editable.toString().substring(tokenStart, tokenEnd); 860 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 861 if (commitCharIndex == token.length() - 1) { 862 token = token.substring(0, token.length() - 1); 863 } 864 RecipientEntry entry = createTokenizedEntry(token); 865 if (entry != null) { 866 String destText = createAddressText(entry); 867 // Always leave a blank space at the end of a chip. 868 int textLength = destText.length() - 1; 869 SpannableString chipText = new SpannableString(destText); 870 int end = getSelectionEnd(); 871 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 872 RecipientChip chip = null; 873 try { 874 if (!mNoChips) { 875 chip = constructChipSpan(entry, start, false); 876 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 877 } 878 } catch (NullPointerException e) { 879 Log.e(TAG, e.getMessage(), e); 880 } 881 editable.replace(tokenStart, tokenEnd, chipText); 882 // Add this chip to the list of entries "to replace" 883 if (chip != null) { 884 if (mTemporaryRecipients == null) { 885 mTemporaryRecipients = new ArrayList<RecipientChip>(); 886 } 887 chip.setOriginalText(chipText.toString()); 888 mTemporaryRecipients.add(chip); 889 } 890 } 891 } 892 893 private static boolean isPhoneNumber(String number) { 894 // TODO: replace this function with libphonenumber's isPossibleNumber (see 895 // PhoneNumberUtil). One complication is that it requires the sender's region which 896 // comes from the CurrentCountryIso. For now, let's just do this simple match. 897 if (TextUtils.isEmpty(number)) { 898 return false; 899 } 900 901 Matcher match = Patterns.PHONE.matcher(number); 902 return match.matches(); 903 } 904 905 private RecipientEntry createTokenizedEntry(String token) { 906 if (TextUtils.isEmpty(token)) { 907 return null; 908 } 909 if (isPhoneQuery() && isPhoneNumber(token)) { 910 return RecipientEntry 911 .constructFakeEntry(token); 912 } 913 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 914 String display = null; 915 if (isValid(token) && tokens != null && tokens.length > 0) { 916 // If we can get a name from tokenizing, then generate an entry from 917 // this. 918 display = tokens[0].getName(); 919 if (!TextUtils.isEmpty(display)) { 920 return RecipientEntry.constructGeneratedEntry(display, token); 921 } else { 922 display = tokens[0].getAddress(); 923 if (!TextUtils.isEmpty(display)) { 924 return RecipientEntry.constructFakeEntry(display); 925 } 926 } 927 } 928 // Unable to validate the token or to create a valid token from it. 929 // Just create a chip the user can edit. 930 String validatedToken = null; 931 if (mValidator != null && !mValidator.isValid(token)) { 932 // Try fixing up the entry using the validator. 933 validatedToken = mValidator.fixText(token).toString(); 934 if (!TextUtils.isEmpty(validatedToken)) { 935 if (validatedToken.contains(token)) { 936 // protect against the case of a validator with a null domain, 937 // which doesn't add a domain to the token 938 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 939 if (tokenized.length > 0) { 940 validatedToken = tokenized[0].getAddress(); 941 } 942 } else { 943 // We ran into a case where the token was invalid and removed 944 // by the validator. In this case, just use the original token 945 // and let the user sort out the error chip. 946 validatedToken = null; 947 } 948 } 949 } 950 // Otherwise, fallback to just creating an editable email address chip. 951 return RecipientEntry 952 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 953 } 954 955 private boolean isValid(String text) { 956 return mValidator == null ? true : mValidator.isValid(text); 957 } 958 959 private String tokenizeAddress(String destination) { 960 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 961 if (tokens != null && tokens.length > 0) { 962 return tokens[0].getAddress(); 963 } 964 return destination; 965 } 966 967 @Override 968 public void setTokenizer(Tokenizer tokenizer) { 969 mTokenizer = tokenizer; 970 super.setTokenizer(mTokenizer); 971 } 972 973 @Override 974 public void setValidator(Validator validator) { 975 mValidator = validator; 976 super.setValidator(validator); 977 } 978 979 /** 980 * We cannot use the default mechanism for replaceText. Instead, 981 * we override onItemClickListener so we can get all the associated 982 * contact information including display text, address, and id. 983 */ 984 @Override 985 protected void replaceText(CharSequence text) { 986 return; 987 } 988 989 /** 990 * Dismiss any selected chips when the back key is pressed. 991 */ 992 @Override 993 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 994 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 995 clearSelectedChip(); 996 return true; 997 } 998 return super.onKeyPreIme(keyCode, event); 999 } 1000 1001 /** 1002 * Monitor key presses in this view to see if the user types 1003 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1004 * If the user has entered text that has contact matches and types 1005 * a commit key, create a chip from the topmost matching contact. 1006 * If the user has entered text that has no contact matches and types 1007 * a commit key, then create a chip from the text they have entered. 1008 */ 1009 @Override 1010 public boolean onKeyUp(int keyCode, KeyEvent event) { 1011 switch (keyCode) { 1012 case KeyEvent.KEYCODE_ENTER: 1013 case KeyEvent.KEYCODE_DPAD_CENTER: 1014 if (event.hasNoModifiers()) { 1015 if (commitDefault()) { 1016 return true; 1017 } 1018 if (mSelectedChip != null) { 1019 clearSelectedChip(); 1020 return true; 1021 } else if (focusNext()) { 1022 return true; 1023 } 1024 } 1025 break; 1026 case KeyEvent.KEYCODE_TAB: 1027 if (event.hasNoModifiers()) { 1028 if (mSelectedChip != null) { 1029 clearSelectedChip(); 1030 } else { 1031 commitDefault(); 1032 } 1033 if (focusNext()) { 1034 return true; 1035 } 1036 } 1037 break; 1038 } 1039 return super.onKeyUp(keyCode, event); 1040 } 1041 1042 private boolean focusNext() { 1043 View next = focusSearch(View.FOCUS_DOWN); 1044 if (next != null) { 1045 next.requestFocus(); 1046 return true; 1047 } 1048 return false; 1049 } 1050 1051 /** 1052 * Create a chip from the default selection. If the popup is showing, the 1053 * default is the first item in the popup suggestions list. Otherwise, it is 1054 * whatever the user had typed in. End represents where the the tokenizer 1055 * should search for a token to turn into a chip. 1056 * @return If a chip was created from a real contact. 1057 */ 1058 private boolean commitDefault() { 1059 // If there is no tokenizer, don't try to commit. 1060 if (mTokenizer == null) { 1061 return false; 1062 } 1063 Editable editable = getText(); 1064 int end = getSelectionEnd(); 1065 int start = mTokenizer.findTokenStart(editable, end); 1066 1067 if (shouldCreateChip(start, end)) { 1068 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1069 // In the middle of chip; treat this as an edit 1070 // and commit the whole token. 1071 if (whatEnd != getSelectionEnd()) { 1072 handleEdit(start, whatEnd); 1073 return true; 1074 } 1075 return commitChip(start, end , editable); 1076 } 1077 return false; 1078 } 1079 1080 private void commitByCharacter() { 1081 // We can't possibly commit by character if we can't tokenize. 1082 if (mTokenizer == null) { 1083 return; 1084 } 1085 Editable editable = getText(); 1086 int end = getSelectionEnd(); 1087 int start = mTokenizer.findTokenStart(editable, end); 1088 if (shouldCreateChip(start, end)) { 1089 commitChip(start, end, editable); 1090 } 1091 setSelection(getText().length()); 1092 } 1093 1094 private boolean commitChip(int start, int end, Editable editable) { 1095 ListAdapter adapter = getAdapter(); 1096 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1097 && end == getSelectionEnd() && !isPhoneQuery()) { 1098 // choose the first entry. 1099 submitItemAtPosition(0); 1100 dismissDropDown(); 1101 return true; 1102 } else { 1103 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1104 if (editable.length() > tokenEnd + 1) { 1105 char charAt = editable.charAt(tokenEnd + 1); 1106 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1107 tokenEnd++; 1108 } 1109 } 1110 String text = editable.toString().substring(start, tokenEnd).trim(); 1111 clearComposingText(); 1112 if (text != null && text.length() > 0 && !text.equals(" ")) { 1113 RecipientEntry entry = createTokenizedEntry(text); 1114 if (entry != null) { 1115 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1116 CharSequence chipText = createChip(entry, false); 1117 if (chipText != null && start > -1 && end > -1) { 1118 editable.replace(start, end, chipText); 1119 } 1120 } 1121 // Only dismiss the dropdown if it is related to the text we 1122 // just committed. 1123 // For paste, it may not be as there are possibly multiple 1124 // tokens being added. 1125 if (end == getSelectionEnd()) { 1126 dismissDropDown(); 1127 } 1128 sanitizeBetween(); 1129 return true; 1130 } 1131 } 1132 return false; 1133 } 1134 1135 // Visible for testing. 1136 /* package */ void sanitizeBetween() { 1137 // Don't sanitize while we are waiting for content to chipify. 1138 if (mPendingChipsCount > 0) { 1139 return; 1140 } 1141 // Find the last chip. 1142 RecipientChip[] recips = getSortedRecipients(); 1143 if (recips != null && recips.length > 0) { 1144 RecipientChip last = recips[recips.length - 1]; 1145 RecipientChip beforeLast = null; 1146 if (recips.length > 1) { 1147 beforeLast = recips[recips.length - 2]; 1148 } 1149 int startLooking = 0; 1150 int end = getSpannable().getSpanStart(last); 1151 if (beforeLast != null) { 1152 startLooking = getSpannable().getSpanEnd(beforeLast); 1153 Editable text = getText(); 1154 if (startLooking == -1 || startLooking > text.length() - 1) { 1155 // There is nothing after this chip. 1156 return; 1157 } 1158 if (text.charAt(startLooking) == ' ') { 1159 startLooking++; 1160 } 1161 } 1162 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1163 getText().delete(startLooking, end); 1164 } 1165 } 1166 } 1167 1168 private boolean shouldCreateChip(int start, int end) { 1169 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1170 } 1171 1172 private boolean alreadyHasChip(int start, int end) { 1173 if (mNoChips) { 1174 return true; 1175 } 1176 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1177 if ((chips == null || chips.length == 0)) { 1178 return false; 1179 } 1180 return true; 1181 } 1182 1183 private void handleEdit(int start, int end) { 1184 if (start == -1 || end == -1) { 1185 // This chip no longer exists in the field. 1186 dismissDropDown(); 1187 return; 1188 } 1189 // This is in the middle of a chip, so select out the whole chip 1190 // and commit it. 1191 Editable editable = getText(); 1192 setSelection(end); 1193 String text = getText().toString().substring(start, end); 1194 if (!TextUtils.isEmpty(text)) { 1195 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1196 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1197 CharSequence chipText = createChip(entry, false); 1198 int selEnd = getSelectionEnd(); 1199 if (chipText != null && start > -1 && selEnd > -1) { 1200 editable.replace(start, selEnd, chipText); 1201 } 1202 } 1203 dismissDropDown(); 1204 } 1205 1206 /** 1207 * If there is a selected chip, delegate the key events 1208 * to the selected chip. 1209 */ 1210 @Override 1211 public boolean onKeyDown(int keyCode, KeyEvent event) { 1212 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1213 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1214 mAlternatesPopup.dismiss(); 1215 } 1216 removeChip(mSelectedChip); 1217 } 1218 1219 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1220 return true; 1221 } 1222 1223 return super.onKeyDown(keyCode, event); 1224 } 1225 1226 // Visible for testing. 1227 /* package */ Spannable getSpannable() { 1228 return getText(); 1229 } 1230 1231 private int getChipStart(RecipientChip chip) { 1232 return getSpannable().getSpanStart(chip); 1233 } 1234 1235 private int getChipEnd(RecipientChip chip) { 1236 return getSpannable().getSpanEnd(chip); 1237 } 1238 1239 /** 1240 * Instead of filtering on the entire contents of the edit box, 1241 * this subclass method filters on the range from 1242 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1243 * if the length of that range meets or exceeds {@link #getThreshold} 1244 * and makes sure that the range is not already a Chip. 1245 */ 1246 @Override 1247 protected void performFiltering(CharSequence text, int keyCode) { 1248 if (enoughToFilter() && !isCompletedToken(text)) { 1249 int end = getSelectionEnd(); 1250 int start = mTokenizer.findTokenStart(text, end); 1251 // If this is a RecipientChip, don't filter 1252 // on its contents. 1253 Spannable span = getSpannable(); 1254 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1255 if (chips != null && chips.length > 0) { 1256 return; 1257 } 1258 } 1259 super.performFiltering(text, keyCode); 1260 } 1261 1262 // Visible for testing. 1263 /*package*/ boolean isCompletedToken(CharSequence text) { 1264 if (TextUtils.isEmpty(text)) { 1265 return false; 1266 } 1267 // Check to see if this is a completed token before filtering. 1268 int end = text.length(); 1269 int start = mTokenizer.findTokenStart(text, end); 1270 String token = text.toString().substring(start, end).trim(); 1271 if (!TextUtils.isEmpty(token)) { 1272 char atEnd = token.charAt(token.length() - 1); 1273 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1274 } 1275 return false; 1276 } 1277 1278 private void clearSelectedChip() { 1279 if (mSelectedChip != null) { 1280 unselectChip(mSelectedChip); 1281 mSelectedChip = null; 1282 } 1283 setCursorVisible(true); 1284 } 1285 1286 /** 1287 * Monitor touch events in the RecipientEditTextView. 1288 * If the view does not have focus, any tap on the view 1289 * will just focus the view. If the view has focus, determine 1290 * if the touch target is a recipient chip. If it is and the chip 1291 * is not selected, select it and clear any other selected chips. 1292 * If it isn't, then select that chip. 1293 */ 1294 @Override 1295 public boolean onTouchEvent(MotionEvent event) { 1296 if (!isFocused()) { 1297 // Ignore any chip taps until this view is focused. 1298 return super.onTouchEvent(event); 1299 } 1300 boolean handled = super.onTouchEvent(event); 1301 int action = event.getAction(); 1302 boolean chipWasSelected = false; 1303 if (mSelectedChip == null) { 1304 mGestureDetector.onTouchEvent(event); 1305 } 1306 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1307 float x = event.getX(); 1308 float y = event.getY(); 1309 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1310 RecipientChip currentChip = findChip(offset); 1311 if (currentChip != null) { 1312 if (action == MotionEvent.ACTION_UP) { 1313 if (mSelectedChip != null && mSelectedChip != currentChip) { 1314 clearSelectedChip(); 1315 mSelectedChip = selectChip(currentChip); 1316 } else if (mSelectedChip == null) { 1317 setSelection(getText().length()); 1318 commitDefault(); 1319 mSelectedChip = selectChip(currentChip); 1320 } else { 1321 onClick(mSelectedChip, offset, x, y); 1322 } 1323 } 1324 chipWasSelected = true; 1325 handled = true; 1326 } else if (mSelectedChip != null 1327 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1328 chipWasSelected = true; 1329 } 1330 } 1331 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1332 clearSelectedChip(); 1333 } 1334 return handled; 1335 } 1336 1337 private void scrollLineIntoView(int line) { 1338 if (mScrollView != null) { 1339 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1340 } 1341 } 1342 1343 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1344 int width, Context context) { 1345 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1346 int bottom; 1347 if (line == getLineCount() -1) { 1348 bottom = 0; 1349 } else { 1350 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1351 - line))); 1352 } 1353 // Align the alternates popup with the left side of the View, 1354 // regardless of the position of the chip tapped. 1355 alternatesPopup.setWidth(width); 1356 alternatesPopup.setAnchorView(this); 1357 alternatesPopup.setVerticalOffset(bottom); 1358 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1359 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1360 // Clear the checked item. 1361 mCheckedItem = -1; 1362 alternatesPopup.show(); 1363 ListView listView = alternatesPopup.getListView(); 1364 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1365 // Checked item would be -1 if the adapter has not 1366 // loaded the view that should be checked yet. The 1367 // variable will be set correctly when onCheckedItemChanged 1368 // is called in a separate thread. 1369 if (mCheckedItem != -1) { 1370 listView.setItemChecked(mCheckedItem, true); 1371 mCheckedItem = -1; 1372 } 1373 } 1374 1375 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1376 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1377 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1378 } 1379 1380 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1381 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1382 .getEntry()); 1383 } 1384 1385 @Override 1386 public void onCheckedItemChanged(int position) { 1387 ListView listView = mAlternatesPopup.getListView(); 1388 if (listView != null && listView.getCheckedItemCount() == 0) { 1389 listView.setItemChecked(position, true); 1390 } 1391 mCheckedItem = position; 1392 } 1393 1394 // TODO: This algorithm will need a lot of tweaking after more people have used 1395 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1396 // what comes before the finger. 1397 private int putOffsetInRange(int o) { 1398 int offset = o; 1399 Editable text = getText(); 1400 int length = text.length(); 1401 // Remove whitespace from end to find "real end" 1402 int realLength = length; 1403 for (int i = length - 1; i >= 0; i--) { 1404 if (text.charAt(i) == ' ') { 1405 realLength--; 1406 } else { 1407 break; 1408 } 1409 } 1410 1411 // If the offset is beyond or at the end of the text, 1412 // leave it alone. 1413 if (offset >= realLength) { 1414 return offset; 1415 } 1416 Editable editable = getText(); 1417 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1418 // Keep walking backward! 1419 offset--; 1420 } 1421 return offset; 1422 } 1423 1424 private int findText(Editable text, int offset) { 1425 if (text.charAt(offset) != ' ') { 1426 return offset; 1427 } 1428 return -1; 1429 } 1430 1431 private RecipientChip findChip(int offset) { 1432 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1433 // Find the chip that contains this offset. 1434 for (int i = 0; i < chips.length; i++) { 1435 RecipientChip chip = chips[i]; 1436 int start = getChipStart(chip); 1437 int end = getChipEnd(chip); 1438 if (offset >= start && offset <= end) { 1439 return chip; 1440 } 1441 } 1442 return null; 1443 } 1444 1445 // Visible for testing. 1446 // Use this method to generate text to add to the list of addresses. 1447 /* package */String createAddressText(RecipientEntry entry) { 1448 String display = entry.getDisplayName(); 1449 String address = entry.getDestination(); 1450 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1451 display = null; 1452 } 1453 String trimmedDisplayText; 1454 if (isPhoneQuery() && isPhoneNumber(address)) { 1455 trimmedDisplayText = address.trim(); 1456 } else { 1457 if (address != null) { 1458 // Tokenize out the address in case the address already 1459 // contained the username as well. 1460 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1461 if (tokenized != null && tokenized.length > 0) { 1462 address = tokenized[0].getAddress(); 1463 } 1464 } 1465 Rfc822Token token = new Rfc822Token(display, address, null); 1466 trimmedDisplayText = token.toString().trim(); 1467 } 1468 int index = trimmedDisplayText.indexOf(","); 1469 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1470 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1471 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1472 } 1473 1474 // Visible for testing. 1475 // Use this method to generate text to display in a chip. 1476 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1477 String display = entry.getDisplayName(); 1478 String address = entry.getDestination(); 1479 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1480 display = null; 1481 } 1482 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1483 // Tokenize out the address in case the address already 1484 // contained the username as well. 1485 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1486 if (tokenized != null && tokenized.length > 0) { 1487 address = tokenized[0].getAddress(); 1488 } 1489 } 1490 if (!TextUtils.isEmpty(display)) { 1491 return display; 1492 } else if (!TextUtils.isEmpty(address)){ 1493 return address; 1494 } else { 1495 return new Rfc822Token(display, address, null).toString(); 1496 } 1497 } 1498 1499 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1500 String displayText = createAddressText(entry); 1501 if (TextUtils.isEmpty(displayText)) { 1502 return null; 1503 } 1504 SpannableString chipText = null; 1505 // Always leave a blank space at the end of a chip. 1506 int end = getSelectionEnd(); 1507 int start = mTokenizer.findTokenStart(getText(), end); 1508 int textLength = displayText.length()-1; 1509 chipText = new SpannableString(displayText); 1510 if (!mNoChips) { 1511 try { 1512 RecipientChip chip = constructChipSpan(entry, start, pressed); 1513 chipText.setSpan(chip, 0, textLength, 1514 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1515 chip.setOriginalText(chipText.toString()); 1516 } catch (NullPointerException e) { 1517 Log.e(TAG, e.getMessage(), e); 1518 return null; 1519 } 1520 } 1521 return chipText; 1522 } 1523 1524 /** 1525 * When an item in the suggestions list has been clicked, create a chip from the 1526 * contact information of the selected item. 1527 */ 1528 @Override 1529 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1530 submitItemAtPosition(position); 1531 } 1532 1533 private void submitItemAtPosition(int position) { 1534 RecipientEntry entry = createValidatedEntry( 1535 (RecipientEntry)getAdapter().getItem(position)); 1536 if (entry == null) { 1537 return; 1538 } 1539 clearComposingText(); 1540 1541 int end = getSelectionEnd(); 1542 int start = mTokenizer.findTokenStart(getText(), end); 1543 1544 Editable editable = getText(); 1545 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1546 CharSequence chip = createChip(entry, false); 1547 if (chip != null && start >= 0 && end >= 0) { 1548 editable.replace(start, end, chip); 1549 } 1550 sanitizeBetween(); 1551 } 1552 1553 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1554 if (item == null) { 1555 return null; 1556 } 1557 final RecipientEntry entry; 1558 // If the display name and the address are the same, or if this is a 1559 // valid contact, but the destination is invalid, then make this a fake 1560 // recipient that is editable. 1561 String destination = item.getDestination(); 1562 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1563 && (TextUtils.isEmpty(item.getDisplayName()) 1564 || TextUtils.equals(item.getDisplayName(), destination) 1565 || (mValidator != null && !mValidator.isValid(destination)))) { 1566 entry = RecipientEntry.constructFakeEntry(destination); 1567 } else { 1568 entry = item; 1569 } 1570 return entry; 1571 } 1572 1573 /** Returns a collection of contact Id for each chip inside this View. */ 1574 /* package */ Collection<Long> getContactIds() { 1575 final Set<Long> result = new HashSet<Long>(); 1576 RecipientChip[] chips = getSortedRecipients(); 1577 if (chips != null) { 1578 for (RecipientChip chip : chips) { 1579 result.add(chip.getContactId()); 1580 } 1581 } 1582 return result; 1583 } 1584 1585 1586 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1587 /* package */ Collection<Long> getDataIds() { 1588 final Set<Long> result = new HashSet<Long>(); 1589 RecipientChip [] chips = getSortedRecipients(); 1590 if (chips != null) { 1591 for (RecipientChip chip : chips) { 1592 result.add(chip.getDataId()); 1593 } 1594 } 1595 return result; 1596 } 1597 1598 // Visible for testing. 1599 /* package */RecipientChip[] getSortedRecipients() { 1600 RecipientChip[] recips = getSpannable() 1601 .getSpans(0, getText().length(), RecipientChip.class); 1602 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1603 .asList(recips)); 1604 final Spannable spannable = getSpannable(); 1605 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1606 1607 @Override 1608 public int compare(RecipientChip first, RecipientChip second) { 1609 int firstStart = spannable.getSpanStart(first); 1610 int secondStart = spannable.getSpanStart(second); 1611 if (firstStart < secondStart) { 1612 return -1; 1613 } else if (firstStart > secondStart) { 1614 return 1; 1615 } else { 1616 return 0; 1617 } 1618 } 1619 }); 1620 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1621 } 1622 1623 @Override 1624 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1625 return false; 1626 } 1627 1628 @Override 1629 public void onDestroyActionMode(ActionMode mode) { 1630 } 1631 1632 @Override 1633 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1634 return false; 1635 } 1636 1637 /** 1638 * No chips are selectable. 1639 */ 1640 @Override 1641 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1642 return false; 1643 } 1644 1645 // Visible for testing. 1646 /* package */ImageSpan getMoreChip() { 1647 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1648 MoreImageSpan.class); 1649 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1650 } 1651 1652 private MoreImageSpan createMoreSpan(int count) { 1653 String moreText = String.format(mMoreItem.getText().toString(), count); 1654 TextPaint morePaint = new TextPaint(getPaint()); 1655 morePaint.setTextSize(mMoreItem.getTextSize()); 1656 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1657 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1658 + mMoreItem.getPaddingRight(); 1659 int height = getLineHeight(); 1660 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1661 Canvas canvas = new Canvas(drawable); 1662 int adjustedHeight = height; 1663 Layout layout = getLayout(); 1664 if (layout != null) { 1665 adjustedHeight -= layout.getLineDescent(0); 1666 } 1667 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1668 1669 Drawable result = new BitmapDrawable(getResources(), drawable); 1670 result.setBounds(0, 0, width, height); 1671 return new MoreImageSpan(result); 1672 } 1673 1674 // Visible for testing. 1675 /*package*/ void createMoreChipPlainText() { 1676 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1677 Editable text = getText(); 1678 int start = 0; 1679 int end = start; 1680 for (int i = 0; i < CHIP_LIMIT; i++) { 1681 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1682 start = end; // move to the next token and get its end. 1683 } 1684 // Now, count total addresses. 1685 start = 0; 1686 int tokenCount = countTokens(text); 1687 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1688 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1689 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1690 text.replace(end, text.length(), chipText); 1691 mMoreChip = moreSpan; 1692 } 1693 1694 // Visible for testing. 1695 /* package */int countTokens(Editable text) { 1696 int tokenCount = 0; 1697 int start = 0; 1698 while (start < text.length()) { 1699 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1700 tokenCount++; 1701 if (start >= text.length()) { 1702 break; 1703 } 1704 } 1705 return tokenCount; 1706 } 1707 1708 /** 1709 * Create the more chip. The more chip is text that replaces any chips that 1710 * do not fit in the pre-defined available space when the 1711 * RecipientEditTextView loses focus. 1712 */ 1713 // Visible for testing. 1714 /* package */ void createMoreChip() { 1715 if (mNoChips) { 1716 createMoreChipPlainText(); 1717 return; 1718 } 1719 1720 if (!mShouldShrink) { 1721 return; 1722 } 1723 1724 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1725 if (tempMore.length > 0) { 1726 getSpannable().removeSpan(tempMore[0]); 1727 } 1728 RecipientChip[] recipients = getSortedRecipients(); 1729 1730 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1731 mMoreChip = null; 1732 return; 1733 } 1734 Spannable spannable = getSpannable(); 1735 int numRecipients = recipients.length; 1736 int overage = numRecipients - CHIP_LIMIT; 1737 MoreImageSpan moreSpan = createMoreSpan(overage); 1738 mRemovedSpans = new ArrayList<RecipientChip>(); 1739 int totalReplaceStart = 0; 1740 int totalReplaceEnd = 0; 1741 Editable text = getText(); 1742 for (int i = numRecipients - overage; i < recipients.length; i++) { 1743 mRemovedSpans.add(recipients[i]); 1744 if (i == numRecipients - overage) { 1745 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1746 } 1747 if (i == recipients.length - 1) { 1748 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1749 } 1750 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1751 int spanStart = spannable.getSpanStart(recipients[i]); 1752 int spanEnd = spannable.getSpanEnd(recipients[i]); 1753 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1754 } 1755 spannable.removeSpan(recipients[i]); 1756 } 1757 if (totalReplaceEnd < text.length()) { 1758 totalReplaceEnd = text.length(); 1759 } 1760 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1761 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1762 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1763 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1764 text.replace(start, end, chipText); 1765 mMoreChip = moreSpan; 1766 } 1767 1768 /** 1769 * Replace the more chip, if it exists, with all of the recipient chips it had 1770 * replaced when the RecipientEditTextView gains focus. 1771 */ 1772 // Visible for testing. 1773 /*package*/ void removeMoreChip() { 1774 if (mMoreChip != null) { 1775 Spannable span = getSpannable(); 1776 span.removeSpan(mMoreChip); 1777 mMoreChip = null; 1778 // Re-add the spans that were removed. 1779 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1780 // Recreate each removed span. 1781 RecipientChip[] recipients = getSortedRecipients(); 1782 // Start the search for tokens after the last currently visible 1783 // chip. 1784 if (recipients == null || recipients.length == 0) { 1785 return; 1786 } 1787 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1788 Editable editable = getText(); 1789 for (RecipientChip chip : mRemovedSpans) { 1790 int chipStart; 1791 int chipEnd; 1792 String token; 1793 // Need to find the location of the chip, again. 1794 token = (String) chip.getOriginalText(); 1795 // As we find the matching recipient for the remove spans, 1796 // reduce the size of the string we need to search. 1797 // That way, if there are duplicates, we always find the correct 1798 // recipient. 1799 chipStart = editable.toString().indexOf(token, end); 1800 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1801 // Only set the span if we found a matching token. 1802 if (chipStart != -1) { 1803 editable.setSpan(chip, chipStart, chipEnd, 1804 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1805 } 1806 } 1807 mRemovedSpans.clear(); 1808 } 1809 } 1810 } 1811 1812 /** 1813 * Show specified chip as selected. If the RecipientChip is just an email address, 1814 * selecting the chip will take the contents of the chip and place it at 1815 * the end of the RecipientEditTextView for inline editing. If the 1816 * RecipientChip is a complete contact, then selecting the chip 1817 * will change the background color of the chip, show the delete icon, 1818 * and a popup window with the address in use highlighted and any other 1819 * alternate addresses for the contact. 1820 * @param currentChip Chip to select. 1821 * @return A RecipientChip in the selected state or null if the chip 1822 * just contained an email address. 1823 */ 1824 private RecipientChip selectChip(RecipientChip currentChip) { 1825 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1826 CharSequence text = currentChip.getValue(); 1827 Editable editable = getText(); 1828 removeChip(currentChip); 1829 editable.append(text); 1830 setCursorVisible(true); 1831 setSelection(editable.length()); 1832 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1833 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1834 int start = getChipStart(currentChip); 1835 int end = getChipEnd(currentChip); 1836 getSpannable().removeSpan(currentChip); 1837 RecipientChip newChip; 1838 try { 1839 if (mNoChips) { 1840 return null; 1841 } 1842 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1843 } catch (NullPointerException e) { 1844 Log.e(TAG, e.getMessage(), e); 1845 return null; 1846 } 1847 Editable editable = getText(); 1848 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1849 if (start == -1 || end == -1) { 1850 Log.d(TAG, "The chip being selected no longer exists but should."); 1851 } else { 1852 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1853 } 1854 newChip.setSelected(true); 1855 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1856 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1857 } 1858 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1859 setCursorVisible(false); 1860 return newChip; 1861 } else { 1862 int start = getChipStart(currentChip); 1863 int end = getChipEnd(currentChip); 1864 getSpannable().removeSpan(currentChip); 1865 RecipientChip newChip; 1866 try { 1867 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1868 } catch (NullPointerException e) { 1869 Log.e(TAG, e.getMessage(), e); 1870 return null; 1871 } 1872 Editable editable = getText(); 1873 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1874 if (start == -1 || end == -1) { 1875 Log.d(TAG, "The chip being selected no longer exists but should."); 1876 } else { 1877 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1878 } 1879 newChip.setSelected(true); 1880 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1881 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1882 } 1883 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1884 setCursorVisible(false); 1885 return newChip; 1886 } 1887 } 1888 1889 1890 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1891 int width, Context context) { 1892 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1893 int bottom = calculateOffsetFromBottom(line); 1894 // Align the alternates popup with the left side of the View, 1895 // regardless of the position of the chip tapped. 1896 popup.setWidth(width); 1897 popup.setAnchorView(this); 1898 popup.setVerticalOffset(bottom); 1899 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1900 popup.setOnItemClickListener(new OnItemClickListener() { 1901 @Override 1902 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1903 unselectChip(currentChip); 1904 popup.dismiss(); 1905 } 1906 }); 1907 popup.show(); 1908 ListView listView = popup.getListView(); 1909 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1910 listView.setItemChecked(0, true); 1911 } 1912 1913 /** 1914 * Remove selection from this chip. Unselecting a RecipientChip will render 1915 * the chip without a delete icon and with an unfocused background. This is 1916 * called when the RecipientChip no longer has focus. 1917 */ 1918 private void unselectChip(RecipientChip chip) { 1919 int start = getChipStart(chip); 1920 int end = getChipEnd(chip); 1921 Editable editable = getText(); 1922 mSelectedChip = null; 1923 if (start == -1 || end == -1) { 1924 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1925 setSelection(editable.length()); 1926 commitDefault(); 1927 } else { 1928 getSpannable().removeSpan(chip); 1929 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1930 editable.removeSpan(chip); 1931 try { 1932 if (!mNoChips) { 1933 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1934 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1935 } 1936 } catch (NullPointerException e) { 1937 Log.e(TAG, e.getMessage(), e); 1938 } 1939 } 1940 setCursorVisible(true); 1941 setSelection(editable.length()); 1942 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1943 mAlternatesPopup.dismiss(); 1944 } 1945 } 1946 1947 /** 1948 * Return whether a touch event was inside the delete target of 1949 * a selected chip. It is in the delete target if: 1950 * 1) the x and y points of the event are within the 1951 * delete assset. 1952 * 2) the point tapped would have caused a cursor to appear 1953 * right after the selected chip. 1954 * @return boolean 1955 */ 1956 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1957 // Figure out the bounds of this chip and whether or not 1958 // the user clicked in the X portion. 1959 return chip.isSelected() && offset == getChipEnd(chip); 1960 } 1961 1962 /** 1963 * Remove the chip and any text associated with it from the RecipientEditTextView. 1964 */ 1965 // Visible for testing. 1966 /*pacakge*/ void removeChip(RecipientChip chip) { 1967 Spannable spannable = getSpannable(); 1968 int spanStart = spannable.getSpanStart(chip); 1969 int spanEnd = spannable.getSpanEnd(chip); 1970 Editable text = getText(); 1971 int toDelete = spanEnd; 1972 boolean wasSelected = chip == mSelectedChip; 1973 // Clear that there is a selected chip before updating any text. 1974 if (wasSelected) { 1975 mSelectedChip = null; 1976 } 1977 // Always remove trailing spaces when removing a chip. 1978 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1979 toDelete++; 1980 } 1981 spannable.removeSpan(chip); 1982 if (spanStart >= 0 && toDelete > 0) { 1983 text.delete(spanStart, toDelete); 1984 } 1985 if (wasSelected) { 1986 clearSelectedChip(); 1987 } 1988 } 1989 1990 /** 1991 * Replace this currently selected chip with a new chip 1992 * that uses the contact data provided. 1993 */ 1994 // Visible for testing. 1995 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1996 boolean wasSelected = chip == mSelectedChip; 1997 if (wasSelected) { 1998 mSelectedChip = null; 1999 } 2000 int start = getChipStart(chip); 2001 int end = getChipEnd(chip); 2002 getSpannable().removeSpan(chip); 2003 Editable editable = getText(); 2004 CharSequence chipText = createChip(entry, false); 2005 if (chipText != null) { 2006 if (start == -1 || end == -1) { 2007 Log.e(TAG, "The chip to replace does not exist but should."); 2008 editable.insert(0, chipText); 2009 } else { 2010 if (!TextUtils.isEmpty(chipText)) { 2011 // There may be a space to replace with this chip's new 2012 // associated 2013 // space. Check for it 2014 int toReplace = end; 2015 while (toReplace >= 0 && toReplace < editable.length() 2016 && editable.charAt(toReplace) == ' ') { 2017 toReplace++; 2018 } 2019 editable.replace(start, toReplace, chipText); 2020 } 2021 } 2022 } 2023 setCursorVisible(true); 2024 if (wasSelected) { 2025 clearSelectedChip(); 2026 } 2027 } 2028 2029 /** 2030 * Handle click events for a chip. When a selected chip receives a click 2031 * event, see if that event was in the delete icon. If so, delete it. 2032 * Otherwise, unselect the chip. 2033 */ 2034 public void onClick(RecipientChip chip, int offset, float x, float y) { 2035 if (chip.isSelected()) { 2036 if (isInDelete(chip, offset, x, y)) { 2037 removeChip(chip); 2038 } else { 2039 clearSelectedChip(); 2040 } 2041 } 2042 } 2043 2044 private boolean chipsPending() { 2045 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2046 } 2047 2048 @Override 2049 public void removeTextChangedListener(TextWatcher watcher) { 2050 mTextWatcher = null; 2051 super.removeTextChangedListener(watcher); 2052 } 2053 2054 private class RecipientTextWatcher implements TextWatcher { 2055 2056 @Override 2057 public void afterTextChanged(Editable s) { 2058 // If the text has been set to null or empty, make sure we remove 2059 // all the spans we applied. 2060 if (TextUtils.isEmpty(s)) { 2061 // Remove all the chips spans. 2062 Spannable spannable = getSpannable(); 2063 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2064 RecipientChip.class); 2065 for (RecipientChip chip : chips) { 2066 spannable.removeSpan(chip); 2067 } 2068 if (mMoreChip != null) { 2069 spannable.removeSpan(mMoreChip); 2070 } 2071 return; 2072 } 2073 // Get whether there are any recipients pending addition to the 2074 // view. If there are, don't do anything in the text watcher. 2075 if (chipsPending()) { 2076 return; 2077 } 2078 // If the user is editing a chip, don't clear it. 2079 if (mSelectedChip != null 2080 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2081 setCursorVisible(true); 2082 setSelection(getText().length()); 2083 clearSelectedChip(); 2084 } 2085 int length = s.length(); 2086 // Make sure there is content there to parse and that it is 2087 // not just the commit character. 2088 if (length > 1) { 2089 char last; 2090 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2091 int len = length() - 1; 2092 if (end != len) { 2093 last = s.charAt(end); 2094 } else { 2095 last = s.charAt(len); 2096 } 2097 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2098 commitByCharacter(); 2099 } else if (last == COMMIT_CHAR_SPACE) { 2100 if (!isPhoneQuery()) { 2101 // Check if this is a valid email address. If it is, 2102 // commit it. 2103 String text = getText().toString(); 2104 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2105 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2106 tokenStart)); 2107 if (!TextUtils.isEmpty(sub) && mValidator != null && 2108 mValidator.isValid(sub)) { 2109 commitByCharacter(); 2110 } 2111 } 2112 } 2113 } 2114 } 2115 2116 @Override 2117 public void onTextChanged(CharSequence s, int start, int before, int count) { 2118 // This is a delete; check to see if the insertion point is on a space 2119 // following a chip. 2120 if (before > count) { 2121 // If the item deleted is a space, and the thing before the 2122 // space is a chip, delete the entire span. 2123 int selStart = getSelectionStart(); 2124 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2125 RecipientChip.class); 2126 if (repl.length > 0) { 2127 // There is a chip there! Just remove it. 2128 Editable editable = getText(); 2129 // Add the separator token. 2130 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2131 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2132 tokenEnd = tokenEnd + 1; 2133 if (tokenEnd > editable.length()) { 2134 tokenEnd = editable.length(); 2135 } 2136 editable.delete(tokenStart, tokenEnd); 2137 getSpannable().removeSpan(repl[0]); 2138 } 2139 } else if (count > before) { 2140 // Only scroll when the user is adding text, not clearing text. 2141 scrollBottomIntoView(); 2142 } 2143 } 2144 2145 @Override 2146 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2147 // Do nothing. 2148 } 2149 } 2150 2151 private void scrollBottomIntoView() { 2152 if (mScrollView != null) { 2153 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2154 } 2155 } 2156 2157 /** 2158 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2159 */ 2160 private void handlePasteClip(ClipData clip) { 2161 removeTextChangedListener(mTextWatcher); 2162 2163 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2164 for (int i = 0; i < clip.getItemCount(); i++) { 2165 CharSequence paste = clip.getItemAt(i).getText(); 2166 if (paste != null) { 2167 int start = getSelectionStart(); 2168 int end = getSelectionEnd(); 2169 Editable editable = getText(); 2170 if (start >= 0 && end >= 0 && start != end) { 2171 editable.append(paste, start, end); 2172 } else { 2173 editable.insert(end, paste); 2174 } 2175 handlePasteAndReplace(); 2176 } 2177 } 2178 } 2179 2180 mHandler.post(mAddTextWatcher); 2181 } 2182 2183 @Override 2184 public boolean onTextContextMenuItem(int id) { 2185 if (id == android.R.id.paste) { 2186 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2187 Context.CLIPBOARD_SERVICE); 2188 handlePasteClip(clipboard.getPrimaryClip()); 2189 return true; 2190 } 2191 return super.onTextContextMenuItem(id); 2192 } 2193 2194 private void handlePasteAndReplace() { 2195 ArrayList<RecipientChip> created = handlePaste(); 2196 if (created != null && created.size() > 0) { 2197 // Perform reverse lookups on the pasted contacts. 2198 IndividualReplacementTask replace = new IndividualReplacementTask(); 2199 replace.execute(created); 2200 } 2201 } 2202 2203 // Visible for testing. 2204 /* package */ArrayList<RecipientChip> handlePaste() { 2205 String text = getText().toString(); 2206 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2207 String lastAddress = text.substring(originalTokenStart); 2208 int tokenStart = originalTokenStart; 2209 int prevTokenStart = tokenStart; 2210 RecipientChip findChip = null; 2211 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2212 if (tokenStart != 0) { 2213 // There are things before this! 2214 while (tokenStart != 0 && findChip == null) { 2215 prevTokenStart = tokenStart; 2216 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2217 findChip = findChip(tokenStart); 2218 } 2219 if (tokenStart != originalTokenStart) { 2220 if (findChip != null) { 2221 tokenStart = prevTokenStart; 2222 } 2223 int tokenEnd; 2224 RecipientChip createdChip; 2225 while (tokenStart < originalTokenStart) { 2226 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2227 commitChip(tokenStart, tokenEnd, getText()); 2228 createdChip = findChip(tokenStart); 2229 if (createdChip == null) { 2230 break; 2231 } 2232 // +1 for the space at the end. 2233 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2234 created.add(createdChip); 2235 } 2236 } 2237 } 2238 // Take a look at the last token. If the token has been completed with a 2239 // commit character, create a chip. 2240 if (isCompletedToken(lastAddress)) { 2241 Editable editable = getText(); 2242 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2243 commitChip(tokenStart, editable.length(), editable); 2244 created.add(findChip(tokenStart)); 2245 } 2246 return created; 2247 } 2248 2249 // Visible for testing. 2250 /* package */int movePastTerminators(int tokenEnd) { 2251 if (tokenEnd >= length()) { 2252 return tokenEnd; 2253 } 2254 char atEnd = getText().toString().charAt(tokenEnd); 2255 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2256 tokenEnd++; 2257 } 2258 // This token had not only an end token character, but also a space 2259 // separating it from the next token. 2260 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2261 tokenEnd++; 2262 } 2263 return tokenEnd; 2264 } 2265 2266 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2267 private RecipientChip createFreeChip(RecipientEntry entry) { 2268 try { 2269 if (mNoChips) { 2270 return null; 2271 } 2272 return constructChipSpan(entry, -1, false); 2273 } catch (NullPointerException e) { 2274 Log.e(TAG, e.getMessage(), e); 2275 return null; 2276 } 2277 } 2278 2279 @Override 2280 protected Void doInBackground(Void... params) { 2281 if (mIndividualReplacements != null) { 2282 mIndividualReplacements.cancel(true); 2283 } 2284 // For each chip in the list, look up the matching contact. 2285 // If there is a match, replace that chip with the matching 2286 // chip. 2287 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2288 RecipientChip[] existingChips = getSortedRecipients(); 2289 for (int i = 0; i < existingChips.length; i++) { 2290 originalRecipients.add(existingChips[i]); 2291 } 2292 if (mRemovedSpans != null) { 2293 originalRecipients.addAll(mRemovedSpans); 2294 } 2295 ArrayList<String> addresses = new ArrayList<String>(); 2296 RecipientChip chip; 2297 for (int i = 0; i < originalRecipients.size(); i++) { 2298 chip = originalRecipients.get(i); 2299 if (chip != null) { 2300 addresses.add(createAddressText(chip.getEntry())); 2301 } 2302 } 2303 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2304 .getMatchingRecipients(getContext(), addresses); 2305 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2306 for (final RecipientChip temp : originalRecipients) { 2307 RecipientEntry entry = null; 2308 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2309 && getSpannable().getSpanStart(temp) != -1) { 2310 // Replace this. 2311 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2312 .getDestination()))); 2313 } 2314 if (entry != null) { 2315 replacements.add(createFreeChip(entry)); 2316 } else { 2317 replacements.add(temp); 2318 } 2319 } 2320 if (replacements != null && replacements.size() > 0) { 2321 mHandler.post(new Runnable() { 2322 @Override 2323 public void run() { 2324 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2325 .toString()); 2326 Editable oldText = getText(); 2327 int start, end; 2328 int i = 0; 2329 for (RecipientChip chip : originalRecipients) { 2330 start = oldText.getSpanStart(chip); 2331 if (start != -1) { 2332 end = oldText.getSpanEnd(chip); 2333 oldText.removeSpan(chip); 2334 // Leave a spot for the space! 2335 RecipientChip replacement = replacements.get(i); 2336 text.setSpan(replacement, start, end, 2337 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2338 replacement.setOriginalText(text.toString().substring(start, end)); 2339 } 2340 i++; 2341 } 2342 originalRecipients.clear(); 2343 setText(text); 2344 } 2345 }); 2346 } 2347 return null; 2348 } 2349 } 2350 2351 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2352 @SuppressWarnings("unchecked") 2353 @Override 2354 protected Void doInBackground(Object... params) { 2355 // For each chip in the list, look up the matching contact. 2356 // If there is a match, replace that chip with the matching 2357 // chip. 2358 final ArrayList<RecipientChip> originalRecipients = 2359 (ArrayList<RecipientChip>) params[0]; 2360 ArrayList<String> addresses = new ArrayList<String>(); 2361 RecipientChip chip; 2362 for (int i = 0; i < originalRecipients.size(); i++) { 2363 chip = originalRecipients.get(i); 2364 if (chip != null) { 2365 addresses.add(createAddressText(chip.getEntry())); 2366 } 2367 } 2368 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2369 .getMatchingRecipients(getContext(), addresses); 2370 for (final RecipientChip temp : originalRecipients) { 2371 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2372 && getSpannable().getSpanStart(temp) != -1) { 2373 // Replace this. 2374 final RecipientEntry entry = createValidatedEntry(entries 2375 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2376 if (entry != null) { 2377 mHandler.post(new Runnable() { 2378 @Override 2379 public void run() { 2380 replaceChip(temp, entry); 2381 } 2382 }); 2383 } 2384 } 2385 } 2386 return null; 2387 } 2388 } 2389 2390 2391 /** 2392 * MoreImageSpan is a simple class created for tracking the existence of a 2393 * more chip across activity restarts/ 2394 */ 2395 private class MoreImageSpan extends ImageSpan { 2396 public MoreImageSpan(Drawable b) { 2397 super(b); 2398 } 2399 } 2400 2401 @Override 2402 public boolean onDown(MotionEvent e) { 2403 return false; 2404 } 2405 2406 @Override 2407 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2408 // Do nothing. 2409 return false; 2410 } 2411 2412 @Override 2413 public void onLongPress(MotionEvent event) { 2414 if (mSelectedChip != null) { 2415 return; 2416 } 2417 float x = event.getX(); 2418 float y = event.getY(); 2419 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2420 RecipientChip currentChip = findChip(offset); 2421 if (currentChip != null) { 2422 if (mDragEnabled) { 2423 // Start drag-and-drop for the selected chip. 2424 startDrag(currentChip); 2425 } else { 2426 // Copy the selected chip email address. 2427 showCopyDialog(currentChip.getEntry().getDestination()); 2428 } 2429 } 2430 } 2431 2432 /** 2433 * Enables drag-and-drop for chips. 2434 */ 2435 public void enableDrag() { 2436 mDragEnabled = true; 2437 } 2438 2439 /** 2440 * Starts drag-and-drop for the selected chip. 2441 */ 2442 private void startDrag(RecipientChip currentChip) { 2443 String address = currentChip.getEntry().getDestination(); 2444 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2445 2446 // Start drag mode. 2447 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2448 2449 // Remove the current chip, so drag-and-drop will result in a move. 2450 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2451 removeChip(currentChip); 2452 } 2453 2454 /** 2455 * Handles drag event. 2456 */ 2457 @Override 2458 public boolean onDragEvent(DragEvent event) { 2459 switch (event.getAction()) { 2460 case DragEvent.ACTION_DRAG_STARTED: 2461 // Only handle plain text drag and drop. 2462 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2463 case DragEvent.ACTION_DRAG_ENTERED: 2464 requestFocus(); 2465 return true; 2466 case DragEvent.ACTION_DROP: 2467 handlePasteClip(event.getClipData()); 2468 return true; 2469 } 2470 return false; 2471 } 2472 2473 /** 2474 * Drag shadow for a {@link RecipientChip}. 2475 */ 2476 private final class RecipientChipShadow extends DragShadowBuilder { 2477 private final RecipientChip mChip; 2478 2479 public RecipientChipShadow(RecipientChip chip) { 2480 mChip = chip; 2481 } 2482 2483 @Override 2484 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2485 Rect rect = mChip.getDrawable().getBounds(); 2486 shadowSize.set(rect.width(), rect.height()); 2487 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2488 } 2489 2490 @Override 2491 public void onDrawShadow(Canvas canvas) { 2492 mChip.getDrawable().draw(canvas); 2493 } 2494 } 2495 2496 private void showCopyDialog(final String address) { 2497 mCopyAddress = address; 2498 mCopyDialog.setTitle(address); 2499 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2500 mCopyDialog.setCancelable(true); 2501 mCopyDialog.setCanceledOnTouchOutside(true); 2502 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2503 button.setOnClickListener(this); 2504 int btnTitleId; 2505 if (isPhoneQuery()) { 2506 btnTitleId = R.string.copy_number; 2507 } else { 2508 btnTitleId = R.string.copy_email; 2509 } 2510 String buttonTitle = getContext().getResources().getString(btnTitleId); 2511 button.setText(buttonTitle); 2512 mCopyDialog.setOnDismissListener(this); 2513 mCopyDialog.show(); 2514 } 2515 2516 @Override 2517 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2518 // Do nothing. 2519 return false; 2520 } 2521 2522 @Override 2523 public void onShowPress(MotionEvent e) { 2524 // Do nothing. 2525 } 2526 2527 @Override 2528 public boolean onSingleTapUp(MotionEvent e) { 2529 // Do nothing. 2530 return false; 2531 } 2532 2533 @Override 2534 public void onDismiss(DialogInterface dialog) { 2535 mCopyAddress = null; 2536 } 2537 2538 @Override 2539 public void onClick(View v) { 2540 // Copy this to the clipboard. 2541 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2542 Context.CLIPBOARD_SERVICE); 2543 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2544 mCopyDialog.dismiss(); 2545 } 2546 2547 protected boolean isPhoneQuery() { 2548 return ((BaseRecipientAdapter)getAdapter()).getQueryType() == 2549 BaseRecipientAdapter.QUERY_TYPE_PHONE; 2550 } 2551} 2552