RecipientEditTextView.java revision ef79800ff65490ec91ce77f55c4ade142d1cc4b2
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.content.res.Resources; 27import android.content.res.TypedArray; 28import android.graphics.Bitmap; 29import android.graphics.BitmapFactory; 30import android.graphics.Canvas; 31import android.graphics.Matrix; 32import android.graphics.Point; 33import android.graphics.Rect; 34import android.graphics.RectF; 35import android.graphics.drawable.BitmapDrawable; 36import android.graphics.drawable.Drawable; 37import android.os.AsyncTask; 38import android.os.Handler; 39import android.os.Message; 40import android.os.Parcelable; 41import android.text.Editable; 42import android.text.InputType; 43import android.text.Layout; 44import android.text.Spannable; 45import android.text.SpannableString; 46import android.text.SpannableStringBuilder; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.Patterns; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.ListAdapter; 76import android.widget.ListPopupWindow; 77import android.widget.ListView; 78import android.widget.MultiAutoCompleteTextView; 79import android.widget.PopupWindow; 80import android.widget.ScrollView; 81import android.widget.TextView; 82 83import java.util.ArrayList; 84import java.util.Arrays; 85import java.util.Collection; 86import java.util.Collections; 87import java.util.Comparator; 88import java.util.HashMap; 89import java.util.HashSet; 90import java.util.Set; 91import java.util.regex.Matcher; 92 93/** 94 * RecipientEditTextView is an auto complete text view for use with applications 95 * that use the new Chips UI for addressing a message to recipients. 96 */ 97public class RecipientEditTextView extends MultiAutoCompleteTextView implements 98 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 99 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 100 PopupWindow.OnDismissListener, TextView.OnEditorActionListener { 101 102 private static final char COMMIT_CHAR_COMMA = ','; 103 104 private static final char COMMIT_CHAR_SEMICOLON = ';'; 105 106 private static final char COMMIT_CHAR_SPACE = ' '; 107 108 private static final String TAG = "RecipientEditTextView"; 109 110 private static int DISMISS = "dismiss".hashCode(); 111 112 private static final long DISMISS_DELAY = 300; 113 114 // TODO: get correct number/ algorithm from with UX. 115 // Visible for testing. 116 /*package*/ static final int CHIP_LIMIT = 2; 117 118 private static final int MAX_CHIPS_PARSED = 50; 119 120 private static int sSelectedTextColor = -1; 121 122 // Resources for displaying chips. 123 private Drawable mChipBackground = null; 124 125 private Drawable mChipDelete = null; 126 127 private Drawable mInvalidChipBackground; 128 129 private Drawable mChipBackgroundPressed; 130 131 private float mChipHeight; 132 133 private float mChipFontSize; 134 135 private int mChipPadding; 136 137 private Tokenizer mTokenizer; 138 139 private Validator mValidator; 140 141 private RecipientChip mSelectedChip; 142 143 private int mAlternatesLayout; 144 145 private Bitmap mDefaultContactPhoto; 146 147 private ImageSpan mMoreChip; 148 149 private TextView mMoreItem; 150 151 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 152 153 private Handler mHandler; 154 155 private int mPendingChipsCount = 0; 156 157 private boolean mNoChips = false; 158 159 private ListPopupWindow mAlternatesPopup; 160 161 private ListPopupWindow mAddressPopup; 162 163 private ArrayList<RecipientChip> mTemporaryRecipients; 164 165 private ArrayList<RecipientChip> mRemovedSpans; 166 167 private boolean mShouldShrink = true; 168 169 // Chip copy fields. 170 private GestureDetector mGestureDetector; 171 172 private Dialog mCopyDialog; 173 174 private String mCopyAddress; 175 176 /** 177 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 178 * selected chip. 179 */ 180 private OnItemClickListener mAlternatesListener; 181 182 private int mCheckedItem; 183 184 private TextWatcher mTextWatcher; 185 186 // Obtain the enclosing scroll view, if it exists, so that the view can be 187 // scrolled to show the last line of chips content. 188 private ScrollView mScrollView; 189 190 private boolean mTriedGettingScrollView; 191 192 private boolean mDragEnabled = false; 193 194 private final Runnable mAddTextWatcher = new Runnable() { 195 @Override 196 public void run() { 197 if (mTextWatcher == null) { 198 mTextWatcher = new RecipientTextWatcher(); 199 addTextChangedListener(mTextWatcher); 200 } 201 } 202 }; 203 204 private IndividualReplacementTask mIndividualReplacements; 205 206 private Runnable mHandlePendingChips = new Runnable() { 207 208 @Override 209 public void run() { 210 handlePendingChips(); 211 } 212 213 }; 214 215 private Runnable mDelayedShrink = new Runnable() { 216 217 @Override 218 public void run() { 219 shrink(); 220 } 221 222 }; 223 224 public RecipientEditTextView(Context context, AttributeSet attrs) { 225 super(context, attrs); 226 setChipDimensions(context, attrs); 227 if (sSelectedTextColor == -1) { 228 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 229 } 230 mAlternatesPopup = new ListPopupWindow(context); 231 mAlternatesPopup.setOnDismissListener(this); 232 mAddressPopup = new ListPopupWindow(context); 233 mAddressPopup.setOnDismissListener(this); 234 mCopyDialog = new Dialog(context); 235 mAlternatesListener = new OnItemClickListener() { 236 @Override 237 public void onItemClick(AdapterView<?> adapterView,View view, int position, 238 long rowId) { 239 mAlternatesPopup.setOnItemClickListener(null); 240 setEnabled(true); 241 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 242 .getRecipientEntry(position)); 243 Message delayed = Message.obtain(mHandler, DISMISS); 244 delayed.obj = mAlternatesPopup; 245 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 246 clearComposingText(); 247 } 248 }; 249 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 250 setOnItemClickListener(this); 251 setCustomSelectionActionModeCallback(this); 252 mHandler = new Handler() { 253 @Override 254 public void handleMessage(Message msg) { 255 if (msg.what == DISMISS) { 256 ((ListPopupWindow) msg.obj).dismiss(); 257 return; 258 } 259 super.handleMessage(msg); 260 } 261 }; 262 mTextWatcher = new RecipientTextWatcher(); 263 addTextChangedListener(mTextWatcher); 264 mGestureDetector = new GestureDetector(context, this); 265 setOnEditorActionListener(this); 266 } 267 268 @Override 269 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 270 if (action == EditorInfo.IME_ACTION_DONE) { 271 if (commitDefault()) { 272 return true; 273 } 274 if (mSelectedChip != null) { 275 clearSelectedChip(); 276 return true; 277 } else if (focusNext()) { 278 return true; 279 } 280 } 281 return false; 282 } 283 284 @Override 285 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 286 InputConnection connection = super.onCreateInputConnection(outAttrs); 287 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 288 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 289 // clear the existing action 290 outAttrs.imeOptions ^= imeActions; 291 // set the DONE action 292 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 293 } 294 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 295 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 296 } 297 return connection; 298 } 299 300 /*package*/ RecipientChip getLastChip() { 301 RecipientChip last = null; 302 RecipientChip[] chips = getSortedRecipients(); 303 if (chips != null && chips.length > 0) { 304 last = chips[chips.length - 1]; 305 } 306 return last; 307 } 308 309 @Override 310 public void onSelectionChanged(int start, int end) { 311 // When selection changes, see if it is inside the chips area. 312 // If so, move the cursor back after the chips again. 313 RecipientChip last = getLastChip(); 314 if (last != null && start < getSpannable().getSpanEnd(last)) { 315 // Grab the last chip and set the cursor to after it. 316 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 317 } 318 super.onSelectionChanged(start, end); 319 } 320 321 @Override 322 public void onRestoreInstanceState(Parcelable state) { 323 if (!TextUtils.isEmpty(getText())) { 324 super.onRestoreInstanceState(null); 325 } else { 326 super.onRestoreInstanceState(state); 327 } 328 } 329 330 @Override 331 public Parcelable onSaveInstanceState() { 332 // If the user changes orientation while they are editing, just roll back the selection. 333 clearSelectedChip(); 334 return super.onSaveInstanceState(); 335 } 336 337 /** 338 * Convenience method: Append the specified text slice to the TextView's 339 * display buffer, upgrading it to BufferType.EDITABLE if it was 340 * not already editable. Commas are excluded as they are added automatically 341 * by the view. 342 */ 343 @Override 344 public void append(CharSequence text, int start, int end) { 345 // We don't care about watching text changes while appending. 346 if (mTextWatcher != null) { 347 removeTextChangedListener(mTextWatcher); 348 } 349 super.append(text, start, end); 350 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 351 final String displayString = (String) text; 352 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 353 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 354 && TextUtils.getTrimmedLength(displayString) > 0) { 355 mPendingChipsCount++; 356 mPendingChips.add((String)text); 357 } 358 } 359 // Put a message on the queue to make sure we ALWAYS handle pending chips. 360 if (mPendingChipsCount > 0) { 361 postHandlePendingChips(); 362 } 363 mHandler.post(mAddTextWatcher); 364 } 365 366 @Override 367 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 368 super.onFocusChanged(hasFocus, direction, previous); 369 if (!hasFocus) { 370 shrink(); 371 } else { 372 expand(); 373 } 374 } 375 376 @Override 377 public void performValidation() { 378 // Do nothing. Chips handles its own validation. 379 } 380 381 private void shrink() { 382 if (mTokenizer == null) { 383 return; 384 } 385 if (mSelectedChip != null 386 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 387 clearSelectedChip(); 388 } else { 389 if (getWidth() <= 0) { 390 // We don't have the width yet which means the view hasn't been drawn yet 391 // and there is no reason to attempt to commit chips yet. 392 // This focus lost must be the result of an orientation change 393 // or an initial rendering. 394 // Re-post the shrink for later. 395 mHandler.removeCallbacks(mDelayedShrink); 396 mHandler.post(mDelayedShrink); 397 return; 398 } 399 // Reset any pending chips as they would have been handled 400 // when the field lost focus. 401 if (mPendingChipsCount > 0) { 402 postHandlePendingChips(); 403 } else { 404 Editable editable = getText(); 405 int end = getSelectionEnd(); 406 int start = mTokenizer.findTokenStart(editable, end); 407 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 408 if ((chips == null || chips.length == 0)) { 409 Editable text = getText(); 410 int whatEnd = mTokenizer.findTokenEnd(text, start); 411 // This token was already tokenized, so skip past the ending token. 412 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 413 whatEnd++; 414 } 415 // In the middle of chip; treat this as an edit 416 // and commit the whole token. 417 int selEnd = getSelectionEnd(); 418 if (whatEnd != selEnd) { 419 handleEdit(start, whatEnd); 420 } else { 421 commitChip(start, end, editable); 422 } 423 } 424 } 425 mHandler.post(mAddTextWatcher); 426 } 427 createMoreChip(); 428 } 429 430 private void expand() { 431 removeMoreChip(); 432 setCursorVisible(true); 433 Editable text = getText(); 434 setSelection(text != null && text.length() > 0 ? text.length() : 0); 435 // If there are any temporary chips, try replacing them now that the user 436 // has expanded the field. 437 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 438 new RecipientReplacementTask().execute(); 439 mTemporaryRecipients = null; 440 } 441 } 442 443 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 444 paint.setTextSize(mChipFontSize); 445 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 446 Log.d(TAG, "Max width is negative: " + maxWidth); 447 } 448 return TextUtils.ellipsize(text, paint, maxWidth, 449 TextUtils.TruncateAt.END); 450 } 451 452 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 453 // Ellipsize the text so that it takes AT MOST the entire width of the 454 // autocomplete text entry area. Make sure to leave space for padding 455 // on the sides. 456 int height = (int) mChipHeight; 457 int deleteWidth = height; 458 float[] widths = new float[1]; 459 paint.getTextWidths(" ", widths); 460 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 461 calculateAvailableWidth(true) - deleteWidth - widths[0]); 462 463 // Make sure there is a minimum chip width so the user can ALWAYS 464 // tap a chip without difficulty. 465 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 466 ellipsizedText.length())) 467 + (mChipPadding * 2) + deleteWidth); 468 469 // Create the background of the chip. 470 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 471 Canvas canvas = new Canvas(tmpBitmap); 472 if (mChipBackgroundPressed != null) { 473 mChipBackgroundPressed.setBounds(0, 0, width, height); 474 mChipBackgroundPressed.draw(canvas); 475 paint.setColor(sSelectedTextColor); 476 // Vertically center the text in the chip. 477 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 478 getTextYOffset((String) ellipsizedText, paint, height), paint); 479 // Make the delete a square. 480 Rect backgroundPadding = new Rect(); 481 mChipBackgroundPressed.getPadding(backgroundPadding); 482 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 483 0 + backgroundPadding.top, 484 width - backgroundPadding.right, 485 height - backgroundPadding.bottom); 486 mChipDelete.draw(canvas); 487 } else { 488 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 489 } 490 return tmpBitmap; 491 } 492 493 494 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 495 // Ellipsize the text so that it takes AT MOST the entire width of the 496 // autocomplete text entry area. Make sure to leave space for padding 497 // on the sides. 498 int height = (int) mChipHeight; 499 int iconWidth = height; 500 float[] widths = new float[1]; 501 paint.getTextWidths(" ", widths); 502 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 503 calculateAvailableWidth(false) - iconWidth - widths[0]); 504 // Make sure there is a minimum chip width so the user can ALWAYS 505 // tap a chip without difficulty. 506 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 507 ellipsizedText.length())) 508 + (mChipPadding * 2) + iconWidth); 509 510 // Create the background of the chip. 511 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 512 Canvas canvas = new Canvas(tmpBitmap); 513 Drawable background = getChipBackground(contact); 514 if (background != null) { 515 background.setBounds(0, 0, width, height); 516 background.draw(canvas); 517 518 // Don't draw photos for recipients that have been typed in. 519 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 520 byte[] photoBytes = contact.getPhotoBytes(); 521 // There may not be a photo yet if anything but the first contact address 522 // was selected. 523 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 524 // TODO: cache this in the recipient entry? 525 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 526 .getPhotoThumbnailUri()); 527 photoBytes = contact.getPhotoBytes(); 528 } 529 530 Bitmap photo; 531 if (photoBytes != null) { 532 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 533 } else { 534 // TODO: can the scaled down default photo be cached? 535 photo = mDefaultContactPhoto; 536 } 537 // Draw the photo on the left side. 538 if (photo != null) { 539 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 540 Rect backgroundPadding = new Rect(); 541 mChipBackground.getPadding(backgroundPadding); 542 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 543 0 + backgroundPadding.top, 544 width - backgroundPadding.right, 545 height - backgroundPadding.bottom); 546 Matrix matrix = new Matrix(); 547 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 548 canvas.drawBitmap(photo, matrix, paint); 549 } 550 } else { 551 // Don't leave any space for the icon. It isn't being drawn. 552 iconWidth = 0; 553 } 554 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 555 // Vertically center the text in the chip. 556 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 557 getTextYOffset((String)ellipsizedText, paint, height), paint); 558 } else { 559 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 560 } 561 return tmpBitmap; 562 } 563 564 /** 565 * Get the background drawable for a RecipientChip. 566 */ 567 // Visible for testing. 568 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 569 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 570 mChipBackground : mInvalidChipBackground; 571 } 572 573 private float getTextYOffset(String text, TextPaint paint, int height) { 574 Rect bounds = new Rect(); 575 paint.getTextBounds(text, 0, text.length(), bounds); 576 int textHeight = bounds.bottom - bounds.top ; 577 return height - ((height - textHeight) / 2) - (int)paint.descent(); 578 } 579 580 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 581 throws NullPointerException { 582 if (mChipBackground == null) { 583 throw new NullPointerException( 584 "Unable to render any chips as setChipDimensions was not called."); 585 } 586 Layout layout = getLayout(); 587 588 TextPaint paint = getPaint(); 589 float defaultSize = paint.getTextSize(); 590 int defaultColor = paint.getColor(); 591 592 Bitmap tmpBitmap; 593 if (pressed) { 594 tmpBitmap = createSelectedChip(contact, paint, layout); 595 596 } else { 597 tmpBitmap = createUnselectedChip(contact, paint, layout); 598 } 599 600 // Pass the full text, un-ellipsized, to the chip. 601 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 602 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 603 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 604 // Return text to the original size. 605 paint.setTextSize(defaultSize); 606 paint.setColor(defaultColor); 607 return recipientChip; 608 } 609 610 /** 611 * Calculate the bottom of the line the chip will be located on using: 612 * 1) which line the chip appears on 613 * 2) the height of a chip 614 * 3) padding built into the edit text view 615 */ 616 private int calculateOffsetFromBottom(int line) { 617 // Line offsets start at zero. 618 int actualLine = getLineCount() - (line + 1); 619 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 620 + getDropDownVerticalOffset(); 621 } 622 623 /** 624 * Get the max amount of space a chip can take up. The formula takes into 625 * account the width of the EditTextView, any view padding, and padding 626 * that will be added to the chip. 627 */ 628 private float calculateAvailableWidth(boolean pressed) { 629 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 630 } 631 632 633 private void setChipDimensions(Context context, AttributeSet attrs) { 634 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 635 0); 636 Resources r = getContext().getResources(); 637 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 638 if (mChipBackground == null) { 639 mChipBackground = r.getDrawable(R.drawable.chip_background); 640 } 641 mChipBackgroundPressed = a 642 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 643 if (mChipBackgroundPressed == null) { 644 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 645 } 646 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 647 if (mChipDelete == null) { 648 mChipDelete = r.getDrawable(R.drawable.chip_delete); 649 } 650 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 651 if (mChipPadding == -1) { 652 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 653 } 654 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 655 -1); 656 if (mAlternatesLayout == -1) { 657 mAlternatesLayout = R.layout.chips_alternate_item; 658 } 659 660 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 661 662 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 663 664 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 665 if (mChipHeight == -1) { 666 mChipHeight = r.getDimension(R.dimen.chip_height); 667 } 668 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 669 if (mChipFontSize == -1) { 670 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 671 } 672 mInvalidChipBackground = a 673 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 674 if (mInvalidChipBackground == null) { 675 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 676 } 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 (((BaseRecipientAdapter)getAdapter()).getQueryType() == 910 BaseRecipientAdapter.QUERY_TYPE_PHONE && isPhoneNumber(token)) { 911 return RecipientEntry 912 .constructFakeEntry(token); 913 } 914 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 915 String display = null; 916 if (isValid(token) && tokens != null && tokens.length > 0) { 917 // If we can get a name from tokenizing, then generate an entry from 918 // this. 919 display = tokens[0].getName(); 920 if (!TextUtils.isEmpty(display)) { 921 return RecipientEntry.constructGeneratedEntry(display, token); 922 } else { 923 display = tokens[0].getAddress(); 924 if (!TextUtils.isEmpty(display)) { 925 return RecipientEntry.constructFakeEntry(display); 926 } 927 } 928 } 929 // Unable to validate the token or to create a valid token from it. 930 // Just create a chip the user can edit. 931 String validatedToken = null; 932 if (mValidator != null && !mValidator.isValid(token)) { 933 // Try fixing up the entry using the validator. 934 validatedToken = mValidator.fixText(token).toString(); 935 if (!TextUtils.isEmpty(validatedToken)) { 936 if (validatedToken.contains(token)) { 937 // protect against the case of a validator with a null domain, 938 // which doesn't add a domain to the token 939 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 940 if (tokenized.length > 0) { 941 validatedToken = tokenized[0].getAddress(); 942 } 943 } else { 944 // We ran into a case where the token was invalid and removed 945 // by the validator. In this case, just use the original token 946 // and let the user sort out the error chip. 947 validatedToken = null; 948 } 949 } 950 } 951 // Otherwise, fallback to just creating an editable email address chip. 952 return RecipientEntry 953 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 954 } 955 956 private boolean isValid(String text) { 957 return mValidator == null ? true : mValidator.isValid(text); 958 } 959 960 private String tokenizeAddress(String destination) { 961 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 962 if (tokens != null && tokens.length > 0) { 963 return tokens[0].getAddress(); 964 } 965 return destination; 966 } 967 968 @Override 969 public void setTokenizer(Tokenizer tokenizer) { 970 mTokenizer = tokenizer; 971 super.setTokenizer(mTokenizer); 972 } 973 974 @Override 975 public void setValidator(Validator validator) { 976 mValidator = validator; 977 super.setValidator(validator); 978 } 979 980 /** 981 * We cannot use the default mechanism for replaceText. Instead, 982 * we override onItemClickListener so we can get all the associated 983 * contact information including display text, address, and id. 984 */ 985 @Override 986 protected void replaceText(CharSequence text) { 987 return; 988 } 989 990 /** 991 * Dismiss any selected chips when the back key is pressed. 992 */ 993 @Override 994 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 995 if (keyCode == KeyEvent.KEYCODE_BACK) { 996 clearSelectedChip(); 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 } 1038 return super.onKeyUp(keyCode, event); 1039 } 1040 1041 private boolean focusNext() { 1042 View next = focusSearch(View.FOCUS_DOWN); 1043 if (next != null) { 1044 next.requestFocus(); 1045 return true; 1046 } 1047 return false; 1048 } 1049 1050 /** 1051 * Create a chip from the default selection. If the popup is showing, the 1052 * default is the first item in the popup suggestions list. Otherwise, it is 1053 * whatever the user had typed in. End represents where the the tokenizer 1054 * should search for a token to turn into a chip. 1055 * @return If a chip was created from a real contact. 1056 */ 1057 private boolean commitDefault() { 1058 // If there is no tokenizer, don't try to commit. 1059 if (mTokenizer == null) { 1060 return false; 1061 } 1062 Editable editable = getText(); 1063 int end = getSelectionEnd(); 1064 int start = mTokenizer.findTokenStart(editable, end); 1065 1066 if (shouldCreateChip(start, end)) { 1067 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1068 // In the middle of chip; treat this as an edit 1069 // and commit the whole token. 1070 if (whatEnd != getSelectionEnd()) { 1071 handleEdit(start, whatEnd); 1072 return true; 1073 } 1074 return commitChip(start, end , editable); 1075 } 1076 return false; 1077 } 1078 1079 private void commitByCharacter() { 1080 // We can't possibly commit by character if we can't tokenize. 1081 if (mTokenizer == null) { 1082 return; 1083 } 1084 Editable editable = getText(); 1085 int end = getSelectionEnd(); 1086 int start = mTokenizer.findTokenStart(editable, end); 1087 if (shouldCreateChip(start, end)) { 1088 commitChip(start, end, editable); 1089 } 1090 setSelection(getText().length()); 1091 } 1092 1093 private boolean commitChip(int start, int end, Editable editable) { 1094 ListAdapter adapter = getAdapter(); 1095 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1096 && end == getSelectionEnd()) { 1097 // choose the first entry. 1098 submitItemAtPosition(0); 1099 dismissDropDown(); 1100 return true; 1101 } else { 1102 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1103 if (editable.length() > tokenEnd + 1) { 1104 char charAt = editable.charAt(tokenEnd + 1); 1105 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1106 tokenEnd++; 1107 } 1108 } 1109 String text = editable.toString().substring(start, tokenEnd).trim(); 1110 clearComposingText(); 1111 if (text != null && text.length() > 0 && !text.equals(" ")) { 1112 RecipientEntry entry = createTokenizedEntry(text); 1113 if (entry != null) { 1114 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1115 CharSequence chipText = createChip(entry, false); 1116 if (chipText != null && start > -1 && end > -1) { 1117 editable.replace(start, end, chipText); 1118 } 1119 } 1120 // Only dismiss the dropdown if it is related to the text we 1121 // just committed. 1122 // For paste, it may not be as there are possibly multiple 1123 // tokens being added. 1124 if (end == getSelectionEnd()) { 1125 dismissDropDown(); 1126 } 1127 sanitizeBetween(); 1128 return true; 1129 } 1130 } 1131 return false; 1132 } 1133 1134 // Visible for testing. 1135 /* package */ void sanitizeBetween() { 1136 // Don't sanitize while we are waiting for content to chipify. 1137 if (mPendingChipsCount > 0) { 1138 return; 1139 } 1140 // Find the last chip. 1141 RecipientChip[] recips = getSortedRecipients(); 1142 if (recips != null && recips.length > 0) { 1143 RecipientChip last = recips[recips.length - 1]; 1144 RecipientChip beforeLast = null; 1145 if (recips.length > 1) { 1146 beforeLast = recips[recips.length - 2]; 1147 } 1148 int startLooking = 0; 1149 int end = getSpannable().getSpanStart(last); 1150 if (beforeLast != null) { 1151 startLooking = getSpannable().getSpanEnd(beforeLast); 1152 Editable text = getText(); 1153 if (startLooking == -1 || startLooking > text.length() - 1) { 1154 // There is nothing after this chip. 1155 return; 1156 } 1157 if (text.charAt(startLooking) == ' ') { 1158 startLooking++; 1159 } 1160 } 1161 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1162 getText().delete(startLooking, end); 1163 } 1164 } 1165 } 1166 1167 private boolean shouldCreateChip(int start, int end) { 1168 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1169 } 1170 1171 private boolean alreadyHasChip(int start, int end) { 1172 if (mNoChips) { 1173 return true; 1174 } 1175 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1176 if ((chips == null || chips.length == 0)) { 1177 return false; 1178 } 1179 return true; 1180 } 1181 1182 private void handleEdit(int start, int end) { 1183 if (start == -1 || end == -1) { 1184 // This chip no longer exists in the field. 1185 dismissDropDown(); 1186 return; 1187 } 1188 // This is in the middle of a chip, so select out the whole chip 1189 // and commit it. 1190 Editable editable = getText(); 1191 setSelection(end); 1192 String text = getText().toString().substring(start, end); 1193 if (!TextUtils.isEmpty(text)) { 1194 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1195 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1196 CharSequence chipText = createChip(entry, false); 1197 int selEnd = getSelectionEnd(); 1198 if (chipText != null && start > -1 && selEnd > -1) { 1199 editable.replace(start, selEnd, chipText); 1200 } 1201 } 1202 dismissDropDown(); 1203 } 1204 1205 /** 1206 * If there is a selected chip, delegate the key events 1207 * to the selected chip. 1208 */ 1209 @Override 1210 public boolean onKeyDown(int keyCode, KeyEvent event) { 1211 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1212 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1213 mAlternatesPopup.dismiss(); 1214 } 1215 removeChip(mSelectedChip); 1216 } 1217 1218 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1219 return true; 1220 } 1221 1222 return super.onKeyDown(keyCode, event); 1223 } 1224 1225 // Visible for testing. 1226 /* package */ Spannable getSpannable() { 1227 return getText(); 1228 } 1229 1230 private int getChipStart(RecipientChip chip) { 1231 return getSpannable().getSpanStart(chip); 1232 } 1233 1234 private int getChipEnd(RecipientChip chip) { 1235 return getSpannable().getSpanEnd(chip); 1236 } 1237 1238 /** 1239 * Instead of filtering on the entire contents of the edit box, 1240 * this subclass method filters on the range from 1241 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1242 * if the length of that range meets or exceeds {@link #getThreshold} 1243 * and makes sure that the range is not already a Chip. 1244 */ 1245 @Override 1246 protected void performFiltering(CharSequence text, int keyCode) { 1247 if (enoughToFilter() && !isCompletedToken(text)) { 1248 int end = getSelectionEnd(); 1249 int start = mTokenizer.findTokenStart(text, end); 1250 // If this is a RecipientChip, don't filter 1251 // on its contents. 1252 Spannable span = getSpannable(); 1253 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1254 if (chips != null && chips.length > 0) { 1255 return; 1256 } 1257 } 1258 super.performFiltering(text, keyCode); 1259 } 1260 1261 // Visible for testing. 1262 /*package*/ boolean isCompletedToken(CharSequence text) { 1263 if (TextUtils.isEmpty(text)) { 1264 return false; 1265 } 1266 // Check to see if this is a completed token before filtering. 1267 int end = text.length(); 1268 int start = mTokenizer.findTokenStart(text, end); 1269 String token = text.toString().substring(start, end).trim(); 1270 if (!TextUtils.isEmpty(token)) { 1271 char atEnd = token.charAt(token.length() - 1); 1272 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1273 } 1274 return false; 1275 } 1276 1277 private void clearSelectedChip() { 1278 if (mSelectedChip != null) { 1279 unselectChip(mSelectedChip); 1280 mSelectedChip = null; 1281 } 1282 setCursorVisible(true); 1283 } 1284 1285 /** 1286 * Monitor touch events in the RecipientEditTextView. 1287 * If the view does not have focus, any tap on the view 1288 * will just focus the view. If the view has focus, determine 1289 * if the touch target is a recipient chip. If it is and the chip 1290 * is not selected, select it and clear any other selected chips. 1291 * If it isn't, then select that chip. 1292 */ 1293 @Override 1294 public boolean onTouchEvent(MotionEvent event) { 1295 if (!isFocused()) { 1296 // Ignore any chip taps until this view is focused. 1297 return super.onTouchEvent(event); 1298 } 1299 boolean handled = super.onTouchEvent(event); 1300 int action = event.getAction(); 1301 boolean chipWasSelected = false; 1302 if (mSelectedChip == null) { 1303 mGestureDetector.onTouchEvent(event); 1304 } 1305 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1306 float x = event.getX(); 1307 float y = event.getY(); 1308 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1309 RecipientChip currentChip = findChip(offset); 1310 if (currentChip != null) { 1311 if (action == MotionEvent.ACTION_UP) { 1312 if (mSelectedChip != null && mSelectedChip != currentChip) { 1313 clearSelectedChip(); 1314 mSelectedChip = selectChip(currentChip); 1315 } else if (mSelectedChip == null) { 1316 setSelection(getText().length()); 1317 commitDefault(); 1318 mSelectedChip = selectChip(currentChip); 1319 } else { 1320 onClick(mSelectedChip, offset, x, y); 1321 } 1322 } 1323 chipWasSelected = true; 1324 handled = true; 1325 } else if (mSelectedChip != null 1326 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1327 chipWasSelected = true; 1328 } 1329 } 1330 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1331 clearSelectedChip(); 1332 } 1333 return handled; 1334 } 1335 1336 private void scrollLineIntoView(int line) { 1337 if (mScrollView != null) { 1338 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1339 } 1340 } 1341 1342 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1343 int width, Context context) { 1344 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1345 int bottom = calculateOffsetFromBottom(line); 1346 // Align the alternates popup with the left side of the View, 1347 // regardless of the position of the chip tapped. 1348 alternatesPopup.setWidth(width); 1349 setEnabled(false); 1350 alternatesPopup.setAnchorView(this); 1351 alternatesPopup.setVerticalOffset(bottom); 1352 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1353 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1354 // Clear the checked item. 1355 mCheckedItem = -1; 1356 alternatesPopup.show(); 1357 ListView listView = alternatesPopup.getListView(); 1358 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1359 // Checked item would be -1 if the adapter has not 1360 // loaded the view that should be checked yet. The 1361 // variable will be set correctly when onCheckedItemChanged 1362 // is called in a separate thread. 1363 if (mCheckedItem != -1) { 1364 listView.setItemChecked(mCheckedItem, true); 1365 mCheckedItem = -1; 1366 } 1367 } 1368 1369 // Dismiss listener for alterns and single address popup. 1370 @Override 1371 public void onDismiss() { 1372 setEnabled(true); 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 (((BaseRecipientAdapter)getAdapter()).getQueryType() == 1455 BaseRecipientAdapter.QUERY_TYPE_PHONE && isPhoneNumber(address)) { 1456 trimmedDisplayText = address.trim(); 1457 } else { 1458 if (address != null) { 1459 // Tokenize out the address in case the address already 1460 // contained the username as well. 1461 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1462 if (tokenized != null && tokenized.length > 0) { 1463 address = tokenized[0].getAddress(); 1464 } 1465 } 1466 Rfc822Token token = new Rfc822Token(display, address, null); 1467 trimmedDisplayText = token.toString().trim(); 1468 } 1469 int index = trimmedDisplayText.indexOf(","); 1470 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1471 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1472 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1473 } 1474 1475 // Visible for testing. 1476 // Use this method to generate text to display in a chip. 1477 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1478 String display = entry.getDisplayName(); 1479 String address = entry.getDestination(); 1480 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1481 display = null; 1482 } 1483 if (address != null && !(((BaseRecipientAdapter)getAdapter()).getQueryType() == 1484 BaseRecipientAdapter.QUERY_TYPE_PHONE && isPhoneNumber(address))) { 1485 // Tokenize out the address in case the address already 1486 // contained the username as well. 1487 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1488 if (tokenized != null && tokenized.length > 0) { 1489 address = tokenized[0].getAddress(); 1490 } 1491 } 1492 if (!TextUtils.isEmpty(display)) { 1493 return display; 1494 } else if (!TextUtils.isEmpty(address)){ 1495 return address; 1496 } else { 1497 return new Rfc822Token(display, address, null).toString(); 1498 } 1499 } 1500 1501 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1502 String displayText = createAddressText(entry); 1503 if (TextUtils.isEmpty(displayText)) { 1504 return null; 1505 } 1506 SpannableString chipText = null; 1507 // Always leave a blank space at the end of a chip. 1508 int end = getSelectionEnd(); 1509 int start = mTokenizer.findTokenStart(getText(), end); 1510 int textLength = displayText.length()-1; 1511 chipText = new SpannableString(displayText); 1512 if (!mNoChips) { 1513 try { 1514 RecipientChip chip = constructChipSpan(entry, start, pressed); 1515 chipText.setSpan(chip, 0, textLength, 1516 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1517 chip.setOriginalText(chipText.toString()); 1518 } catch (NullPointerException e) { 1519 Log.e(TAG, e.getMessage(), e); 1520 return null; 1521 } 1522 } 1523 return chipText; 1524 } 1525 1526 /** 1527 * When an item in the suggestions list has been clicked, create a chip from the 1528 * contact information of the selected item. 1529 */ 1530 @Override 1531 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1532 submitItemAtPosition(position); 1533 } 1534 1535 private void submitItemAtPosition(int position) { 1536 RecipientEntry entry = createValidatedEntry( 1537 (RecipientEntry)getAdapter().getItem(position)); 1538 if (entry == null) { 1539 return; 1540 } 1541 clearComposingText(); 1542 1543 int end = getSelectionEnd(); 1544 int start = mTokenizer.findTokenStart(getText(), end); 1545 1546 Editable editable = getText(); 1547 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1548 CharSequence chip = createChip(entry, false); 1549 if (chip != null && start >= 0 && end >= 0) { 1550 editable.replace(start, end, chip); 1551 } 1552 sanitizeBetween(); 1553 } 1554 1555 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1556 if (item == null) { 1557 return null; 1558 } 1559 final RecipientEntry entry; 1560 // If the display name and the address are the same, or if this is a 1561 // valid contact, but the destination is invalid, then make this a fake 1562 // recipient that is editable. 1563 String destination = item.getDestination(); 1564 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1565 && (TextUtils.isEmpty(item.getDisplayName()) 1566 || TextUtils.equals(item.getDisplayName(), destination) 1567 || (mValidator != null && !mValidator.isValid(destination)))) { 1568 entry = RecipientEntry.constructFakeEntry(destination); 1569 } else { 1570 entry = item; 1571 } 1572 return entry; 1573 } 1574 1575 /** Returns a collection of contact Id for each chip inside this View. */ 1576 /* package */ Collection<Long> getContactIds() { 1577 final Set<Long> result = new HashSet<Long>(); 1578 RecipientChip[] chips = getSortedRecipients(); 1579 if (chips != null) { 1580 for (RecipientChip chip : chips) { 1581 result.add(chip.getContactId()); 1582 } 1583 } 1584 return result; 1585 } 1586 1587 1588 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1589 /* package */ Collection<Long> getDataIds() { 1590 final Set<Long> result = new HashSet<Long>(); 1591 RecipientChip [] chips = getSortedRecipients(); 1592 if (chips != null) { 1593 for (RecipientChip chip : chips) { 1594 result.add(chip.getDataId()); 1595 } 1596 } 1597 return result; 1598 } 1599 1600 // Visible for testing. 1601 /* package */RecipientChip[] getSortedRecipients() { 1602 RecipientChip[] recips = getSpannable() 1603 .getSpans(0, getText().length(), RecipientChip.class); 1604 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1605 .asList(recips)); 1606 final Spannable spannable = getSpannable(); 1607 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1608 1609 @Override 1610 public int compare(RecipientChip first, RecipientChip second) { 1611 int firstStart = spannable.getSpanStart(first); 1612 int secondStart = spannable.getSpanStart(second); 1613 if (firstStart < secondStart) { 1614 return -1; 1615 } else if (firstStart > secondStart) { 1616 return 1; 1617 } else { 1618 return 0; 1619 } 1620 } 1621 }); 1622 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1623 } 1624 1625 @Override 1626 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1627 return false; 1628 } 1629 1630 @Override 1631 public void onDestroyActionMode(ActionMode mode) { 1632 } 1633 1634 @Override 1635 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1636 return false; 1637 } 1638 1639 /** 1640 * No chips are selectable. 1641 */ 1642 @Override 1643 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1644 return false; 1645 } 1646 1647 // Visible for testing. 1648 /* package */ImageSpan getMoreChip() { 1649 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1650 MoreImageSpan.class); 1651 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1652 } 1653 1654 private MoreImageSpan createMoreSpan(int count) { 1655 String moreText = String.format(mMoreItem.getText().toString(), count); 1656 TextPaint morePaint = new TextPaint(getPaint()); 1657 morePaint.setTextSize(mMoreItem.getTextSize()); 1658 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1659 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1660 + mMoreItem.getPaddingRight(); 1661 int height = getLineHeight(); 1662 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1663 Canvas canvas = new Canvas(drawable); 1664 int adjustedHeight = height; 1665 Layout layout = getLayout(); 1666 if (layout != null) { 1667 adjustedHeight -= layout.getLineDescent(0); 1668 } 1669 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1670 1671 Drawable result = new BitmapDrawable(getResources(), drawable); 1672 result.setBounds(0, 0, width, height); 1673 return new MoreImageSpan(result); 1674 } 1675 1676 // Visible for testing. 1677 /*package*/ void createMoreChipPlainText() { 1678 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1679 Editable text = getText(); 1680 int start = 0; 1681 int end = start; 1682 for (int i = 0; i < CHIP_LIMIT; i++) { 1683 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1684 start = end; // move to the next token and get its end. 1685 } 1686 // Now, count total addresses. 1687 start = 0; 1688 int tokenCount = countTokens(text); 1689 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1690 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1691 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1692 text.replace(end, text.length(), chipText); 1693 mMoreChip = moreSpan; 1694 } 1695 1696 // Visible for testing. 1697 /* package */int countTokens(Editable text) { 1698 int tokenCount = 0; 1699 int start = 0; 1700 while (start < text.length()) { 1701 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1702 tokenCount++; 1703 if (start >= text.length()) { 1704 break; 1705 } 1706 } 1707 return tokenCount; 1708 } 1709 1710 /** 1711 * Create the more chip. The more chip is text that replaces any chips that 1712 * do not fit in the pre-defined available space when the 1713 * RecipientEditTextView loses focus. 1714 */ 1715 // Visible for testing. 1716 /* package */ void createMoreChip() { 1717 if (mNoChips) { 1718 createMoreChipPlainText(); 1719 return; 1720 } 1721 1722 if (!mShouldShrink) { 1723 return; 1724 } 1725 1726 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1727 if (tempMore.length > 0) { 1728 getSpannable().removeSpan(tempMore[0]); 1729 } 1730 RecipientChip[] recipients = getSortedRecipients(); 1731 1732 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1733 mMoreChip = null; 1734 return; 1735 } 1736 Spannable spannable = getSpannable(); 1737 int numRecipients = recipients.length; 1738 int overage = numRecipients - CHIP_LIMIT; 1739 MoreImageSpan moreSpan = createMoreSpan(overage); 1740 mRemovedSpans = new ArrayList<RecipientChip>(); 1741 int totalReplaceStart = 0; 1742 int totalReplaceEnd = 0; 1743 Editable text = getText(); 1744 for (int i = numRecipients - overage; i < recipients.length; i++) { 1745 mRemovedSpans.add(recipients[i]); 1746 if (i == numRecipients - overage) { 1747 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1748 } 1749 if (i == recipients.length - 1) { 1750 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1751 } 1752 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1753 int spanStart = spannable.getSpanStart(recipients[i]); 1754 int spanEnd = spannable.getSpanEnd(recipients[i]); 1755 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1756 } 1757 spannable.removeSpan(recipients[i]); 1758 } 1759 if (totalReplaceEnd < text.length()) { 1760 totalReplaceEnd = text.length(); 1761 } 1762 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1763 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1764 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1765 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1766 text.replace(start, end, chipText); 1767 mMoreChip = moreSpan; 1768 } 1769 1770 /** 1771 * Replace the more chip, if it exists, with all of the recipient chips it had 1772 * replaced when the RecipientEditTextView gains focus. 1773 */ 1774 // Visible for testing. 1775 /*package*/ void removeMoreChip() { 1776 if (mMoreChip != null) { 1777 Spannable span = getSpannable(); 1778 span.removeSpan(mMoreChip); 1779 mMoreChip = null; 1780 // Re-add the spans that were removed. 1781 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1782 // Recreate each removed span. 1783 RecipientChip[] recipients = getSortedRecipients(); 1784 // Start the search for tokens after the last currently visible 1785 // chip. 1786 if (recipients == null || recipients.length == 0) { 1787 return; 1788 } 1789 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1790 Editable editable = getText(); 1791 for (RecipientChip chip : mRemovedSpans) { 1792 int chipStart; 1793 int chipEnd; 1794 String token; 1795 // Need to find the location of the chip, again. 1796 token = (String) chip.getOriginalText(); 1797 // As we find the matching recipient for the remove spans, 1798 // reduce the size of the string we need to search. 1799 // That way, if there are duplicates, we always find the correct 1800 // recipient. 1801 chipStart = editable.toString().indexOf(token, end); 1802 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1803 // Only set the span if we found a matching token. 1804 if (chipStart != -1) { 1805 editable.setSpan(chip, chipStart, chipEnd, 1806 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1807 } 1808 } 1809 mRemovedSpans.clear(); 1810 } 1811 } 1812 } 1813 1814 /** 1815 * Show specified chip as selected. If the RecipientChip is just an email address, 1816 * selecting the chip will take the contents of the chip and place it at 1817 * the end of the RecipientEditTextView for inline editing. If the 1818 * RecipientChip is a complete contact, then selecting the chip 1819 * will change the background color of the chip, show the delete icon, 1820 * and a popup window with the address in use highlighted and any other 1821 * alternate addresses for the contact. 1822 * @param currentChip Chip to select. 1823 * @return A RecipientChip in the selected state or null if the chip 1824 * just contained an email address. 1825 */ 1826 private RecipientChip selectChip(RecipientChip currentChip) { 1827 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1828 CharSequence text = currentChip.getValue(); 1829 Editable editable = getText(); 1830 removeChip(currentChip); 1831 editable.append(text); 1832 setCursorVisible(true); 1833 setSelection(editable.length()); 1834 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1835 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1836 int start = getChipStart(currentChip); 1837 int end = getChipEnd(currentChip); 1838 getSpannable().removeSpan(currentChip); 1839 RecipientChip newChip; 1840 try { 1841 if (mNoChips) { 1842 return null; 1843 } 1844 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1845 } catch (NullPointerException e) { 1846 Log.e(TAG, e.getMessage(), e); 1847 return null; 1848 } 1849 Editable editable = getText(); 1850 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1851 if (start == -1 || end == -1) { 1852 Log.d(TAG, "The chip being selected no longer exists but should."); 1853 } else { 1854 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1855 } 1856 newChip.setSelected(true); 1857 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1858 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1859 } 1860 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1861 setCursorVisible(false); 1862 return newChip; 1863 } else { 1864 int start = getChipStart(currentChip); 1865 int end = getChipEnd(currentChip); 1866 getSpannable().removeSpan(currentChip); 1867 RecipientChip newChip; 1868 try { 1869 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1870 } catch (NullPointerException e) { 1871 Log.e(TAG, e.getMessage(), e); 1872 return null; 1873 } 1874 Editable editable = getText(); 1875 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1876 if (start == -1 || end == -1) { 1877 Log.d(TAG, "The chip being selected no longer exists but should."); 1878 } else { 1879 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1880 } 1881 newChip.setSelected(true); 1882 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1883 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1884 } 1885 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1886 setCursorVisible(false); 1887 return newChip; 1888 } 1889 } 1890 1891 1892 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1893 int width, Context context) { 1894 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1895 int bottom = calculateOffsetFromBottom(line); 1896 // Align the alternates popup with the left side of the View, 1897 // regardless of the position of the chip tapped. 1898 setEnabled(false); 1899 popup.setWidth(width); 1900 popup.setAnchorView(this); 1901 popup.setVerticalOffset(bottom); 1902 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1903 popup.setOnItemClickListener(new OnItemClickListener() { 1904 @Override 1905 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1906 unselectChip(currentChip); 1907 popup.dismiss(); 1908 } 1909 }); 1910 popup.show(); 1911 ListView listView = popup.getListView(); 1912 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1913 listView.setItemChecked(0, true); 1914 } 1915 1916 /** 1917 * Remove selection from this chip. Unselecting a RecipientChip will render 1918 * the chip without a delete icon and with an unfocused background. This is 1919 * called when the RecipientChip no longer has focus. 1920 */ 1921 private void unselectChip(RecipientChip chip) { 1922 int start = getChipStart(chip); 1923 int end = getChipEnd(chip); 1924 Editable editable = getText(); 1925 mSelectedChip = null; 1926 if (start == -1 || end == -1) { 1927 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1928 setSelection(editable.length()); 1929 commitDefault(); 1930 } else { 1931 getSpannable().removeSpan(chip); 1932 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1933 editable.removeSpan(chip); 1934 try { 1935 if (!mNoChips) { 1936 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1937 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1938 } 1939 } catch (NullPointerException e) { 1940 Log.e(TAG, e.getMessage(), e); 1941 } 1942 } 1943 setCursorVisible(true); 1944 setSelection(editable.length()); 1945 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1946 mAlternatesPopup.dismiss(); 1947 } 1948 } 1949 1950 /** 1951 * Return whether a touch event was inside the delete target of 1952 * a selected chip. It is in the delete target if: 1953 * 1) the x and y points of the event are within the 1954 * delete assset. 1955 * 2) the point tapped would have caused a cursor to appear 1956 * right after the selected chip. 1957 * @return boolean 1958 */ 1959 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1960 // Figure out the bounds of this chip and whether or not 1961 // the user clicked in the X portion. 1962 return chip.isSelected() && offset == getChipEnd(chip); 1963 } 1964 1965 /** 1966 * Remove the chip and any text associated with it from the RecipientEditTextView. 1967 */ 1968 // Visible for testing. 1969 /*pacakge*/ void removeChip(RecipientChip chip) { 1970 Spannable spannable = getSpannable(); 1971 int spanStart = spannable.getSpanStart(chip); 1972 int spanEnd = spannable.getSpanEnd(chip); 1973 Editable text = getText(); 1974 int toDelete = spanEnd; 1975 boolean wasSelected = chip == mSelectedChip; 1976 // Clear that there is a selected chip before updating any text. 1977 if (wasSelected) { 1978 mSelectedChip = null; 1979 } 1980 // Always remove trailing spaces when removing a chip. 1981 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1982 toDelete++; 1983 } 1984 spannable.removeSpan(chip); 1985 if (spanStart >= 0 && toDelete > 0) { 1986 text.delete(spanStart, toDelete); 1987 } 1988 if (wasSelected) { 1989 clearSelectedChip(); 1990 } 1991 } 1992 1993 /** 1994 * Replace this currently selected chip with a new chip 1995 * that uses the contact data provided. 1996 */ 1997 // Visible for testing. 1998 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1999 boolean wasSelected = chip == mSelectedChip; 2000 if (wasSelected) { 2001 mSelectedChip = null; 2002 } 2003 int start = getChipStart(chip); 2004 int end = getChipEnd(chip); 2005 getSpannable().removeSpan(chip); 2006 Editable editable = getText(); 2007 CharSequence chipText = createChip(entry, false); 2008 if (chipText != null) { 2009 if (start == -1 || end == -1) { 2010 Log.e(TAG, "The chip to replace does not exist but should."); 2011 editable.insert(0, chipText); 2012 } else { 2013 if (!TextUtils.isEmpty(chipText)) { 2014 // There may be a space to replace with this chip's new 2015 // associated 2016 // space. Check for it 2017 int toReplace = end; 2018 while (toReplace >= 0 && toReplace < editable.length() 2019 && editable.charAt(toReplace) == ' ') { 2020 toReplace++; 2021 } 2022 editable.replace(start, toReplace, chipText); 2023 } 2024 } 2025 } 2026 setCursorVisible(true); 2027 if (wasSelected) { 2028 clearSelectedChip(); 2029 } 2030 } 2031 2032 /** 2033 * Handle click events for a chip. When a selected chip receives a click 2034 * event, see if that event was in the delete icon. If so, delete it. 2035 * Otherwise, unselect the chip. 2036 */ 2037 public void onClick(RecipientChip chip, int offset, float x, float y) { 2038 if (chip.isSelected()) { 2039 if (isInDelete(chip, offset, x, y)) { 2040 removeChip(chip); 2041 } else { 2042 clearSelectedChip(); 2043 } 2044 } 2045 } 2046 2047 private boolean chipsPending() { 2048 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2049 } 2050 2051 @Override 2052 public void removeTextChangedListener(TextWatcher watcher) { 2053 mTextWatcher = null; 2054 super.removeTextChangedListener(watcher); 2055 } 2056 2057 private class RecipientTextWatcher implements TextWatcher { 2058 2059 @Override 2060 public void afterTextChanged(Editable s) { 2061 // If the text has been set to null or empty, make sure we remove 2062 // all the spans we applied. 2063 if (TextUtils.isEmpty(s)) { 2064 // Remove all the chips spans. 2065 Spannable spannable = getSpannable(); 2066 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2067 RecipientChip.class); 2068 for (RecipientChip chip : chips) { 2069 spannable.removeSpan(chip); 2070 } 2071 if (mMoreChip != null) { 2072 spannable.removeSpan(mMoreChip); 2073 } 2074 return; 2075 } 2076 // Get whether there are any recipients pending addition to the 2077 // view. If there are, don't do anything in the text watcher. 2078 if (chipsPending()) { 2079 return; 2080 } 2081 // If the user is editing a chip, don't clear it. 2082 if (mSelectedChip != null 2083 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2084 setCursorVisible(true); 2085 setSelection(getText().length()); 2086 clearSelectedChip(); 2087 } 2088 int length = s.length(); 2089 // Make sure there is content there to parse and that it is 2090 // not just the commit character. 2091 if (length > 1) { 2092 char last; 2093 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2094 int len = length() - 1; 2095 if (end != len) { 2096 last = s.charAt(end); 2097 } else { 2098 last = s.charAt(len); 2099 } 2100 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2101 commitByCharacter(); 2102 } else if (last == COMMIT_CHAR_SPACE) { 2103 // Check if this is a valid email address. If it is, 2104 // commit it. 2105 String text = getText().toString(); 2106 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2107 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2108 tokenStart)); 2109 if (!TextUtils.isEmpty(sub) && mValidator != null && mValidator.isValid(sub)) { 2110 commitByCharacter(); 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 } 2140 } 2141 2142 @Override 2143 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2144 // Do nothing. 2145 } 2146 } 2147 2148 /** 2149 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2150 */ 2151 private void handlePasteClip(ClipData clip) { 2152 removeTextChangedListener(mTextWatcher); 2153 2154 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2155 for (int i = 0; i < clip.getItemCount(); i++) { 2156 CharSequence paste = clip.getItemAt(i).getText(); 2157 if (paste != null) { 2158 int start = getSelectionStart(); 2159 int end = getSelectionEnd(); 2160 Editable editable = getText(); 2161 if (start >= 0 && end >= 0 && start != end) { 2162 editable.append(paste, start, end); 2163 } else { 2164 editable.insert(end, paste); 2165 } 2166 handlePasteAndReplace(); 2167 } 2168 } 2169 } 2170 2171 mHandler.post(mAddTextWatcher); 2172 } 2173 2174 @Override 2175 public boolean onTextContextMenuItem(int id) { 2176 if (id == android.R.id.paste) { 2177 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2178 Context.CLIPBOARD_SERVICE); 2179 handlePasteClip(clipboard.getPrimaryClip()); 2180 return true; 2181 } 2182 return super.onTextContextMenuItem(id); 2183 } 2184 2185 private void handlePasteAndReplace() { 2186 ArrayList<RecipientChip> created = handlePaste(); 2187 if (created != null && created.size() > 0) { 2188 // Perform reverse lookups on the pasted contacts. 2189 IndividualReplacementTask replace = new IndividualReplacementTask(); 2190 replace.execute(created); 2191 } 2192 } 2193 2194 // Visible for testing. 2195 /* package */ArrayList<RecipientChip> handlePaste() { 2196 String text = getText().toString(); 2197 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2198 String lastAddress = text.substring(originalTokenStart); 2199 int tokenStart = originalTokenStart; 2200 int prevTokenStart = tokenStart; 2201 RecipientChip findChip = null; 2202 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2203 if (tokenStart != 0) { 2204 // There are things before this! 2205 while (tokenStart != 0 && findChip == null) { 2206 prevTokenStart = tokenStart; 2207 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2208 findChip = findChip(tokenStart); 2209 } 2210 if (tokenStart != originalTokenStart) { 2211 if (findChip != null) { 2212 tokenStart = prevTokenStart; 2213 } 2214 int tokenEnd; 2215 RecipientChip createdChip; 2216 while (tokenStart < originalTokenStart) { 2217 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2218 commitChip(tokenStart, tokenEnd, getText()); 2219 createdChip = findChip(tokenStart); 2220 // +1 for the space at the end. 2221 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2222 created.add(createdChip); 2223 } 2224 } 2225 } 2226 // Take a look at the last token. If the token has been completed with a 2227 // commit character, create a chip. 2228 if (isCompletedToken(lastAddress)) { 2229 Editable editable = getText(); 2230 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2231 commitChip(tokenStart, editable.length(), editable); 2232 created.add(findChip(tokenStart)); 2233 } 2234 return created; 2235 } 2236 2237 // Visible for testing. 2238 /* package */int movePastTerminators(int tokenEnd) { 2239 if (tokenEnd >= length()) { 2240 return tokenEnd; 2241 } 2242 char atEnd = getText().toString().charAt(tokenEnd); 2243 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2244 tokenEnd++; 2245 } 2246 // This token had not only an end token character, but also a space 2247 // separating it from the next token. 2248 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2249 tokenEnd++; 2250 } 2251 return tokenEnd; 2252 } 2253 2254 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2255 private RecipientChip createFreeChip(RecipientEntry entry) { 2256 try { 2257 if (mNoChips) { 2258 return null; 2259 } 2260 return constructChipSpan(entry, -1, false); 2261 } catch (NullPointerException e) { 2262 Log.e(TAG, e.getMessage(), e); 2263 return null; 2264 } 2265 } 2266 2267 @Override 2268 protected Void doInBackground(Void... params) { 2269 if (mIndividualReplacements != null) { 2270 mIndividualReplacements.cancel(true); 2271 } 2272 // For each chip in the list, look up the matching contact. 2273 // If there is a match, replace that chip with the matching 2274 // chip. 2275 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2276 RecipientChip[] existingChips = getSortedRecipients(); 2277 for (int i = 0; i < existingChips.length; i++) { 2278 originalRecipients.add(existingChips[i]); 2279 } 2280 if (mRemovedSpans != null) { 2281 originalRecipients.addAll(mRemovedSpans); 2282 } 2283 String[] addresses = new String[originalRecipients.size()]; 2284 RecipientChip chip; 2285 for (int i = 0; i < originalRecipients.size(); i++) { 2286 chip = originalRecipients.get(i); 2287 if (chip != null) { 2288 addresses[i] = createAddressText(chip.getEntry()); 2289 } 2290 } 2291 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2292 .getMatchingRecipients(getContext(), addresses); 2293 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2294 for (final RecipientChip temp : originalRecipients) { 2295 RecipientEntry entry = null; 2296 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2297 && getSpannable().getSpanStart(temp) != -1) { 2298 // Replace this. 2299 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2300 .getDestination()))); 2301 } 2302 if (entry != null) { 2303 replacements.add(createFreeChip(entry)); 2304 } else { 2305 replacements.add(temp); 2306 } 2307 } 2308 if (replacements != null && replacements.size() > 0) { 2309 mHandler.post(new Runnable() { 2310 @Override 2311 public void run() { 2312 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2313 .toString()); 2314 Editable oldText = getText(); 2315 int start, end; 2316 int i = 0; 2317 for (RecipientChip chip : originalRecipients) { 2318 start = oldText.getSpanStart(chip); 2319 if (start != -1) { 2320 end = oldText.getSpanEnd(chip); 2321 oldText.removeSpan(chip); 2322 // Leave a spot for the space! 2323 RecipientChip replacement = replacements.get(i); 2324 text.setSpan(replacement, start, end, 2325 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2326 replacement.setOriginalText(text.toString().substring(start, end)); 2327 } 2328 i++; 2329 } 2330 originalRecipients.clear(); 2331 setText(text); 2332 } 2333 }); 2334 } 2335 return null; 2336 } 2337 } 2338 2339 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2340 @SuppressWarnings("unchecked") 2341 @Override 2342 protected Void doInBackground(Object... params) { 2343 // For each chip in the list, look up the matching contact. 2344 // If there is a match, replace that chip with the matching 2345 // chip. 2346 final ArrayList<RecipientChip> originalRecipients = 2347 (ArrayList<RecipientChip>) params[0]; 2348 String[] addresses = new String[originalRecipients.size()]; 2349 RecipientChip chip; 2350 for (int i = 0; i < originalRecipients.size(); i++) { 2351 chip = originalRecipients.get(i); 2352 if (chip != null) { 2353 addresses[i] = createAddressText(chip.getEntry()); 2354 } 2355 } 2356 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2357 .getMatchingRecipients(getContext(), addresses); 2358 for (final RecipientChip temp : originalRecipients) { 2359 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2360 && getSpannable().getSpanStart(temp) != -1) { 2361 // Replace this. 2362 final RecipientEntry entry = createValidatedEntry(entries 2363 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2364 if (entry != null) { 2365 mHandler.post(new Runnable() { 2366 @Override 2367 public void run() { 2368 replaceChip(temp, entry); 2369 } 2370 }); 2371 } 2372 } 2373 } 2374 return null; 2375 } 2376 } 2377 2378 2379 /** 2380 * MoreImageSpan is a simple class created for tracking the existence of a 2381 * more chip across activity restarts/ 2382 */ 2383 private class MoreImageSpan extends ImageSpan { 2384 public MoreImageSpan(Drawable b) { 2385 super(b); 2386 } 2387 } 2388 2389 @Override 2390 public boolean onDown(MotionEvent e) { 2391 return false; 2392 } 2393 2394 @Override 2395 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2396 // Do nothing. 2397 return false; 2398 } 2399 2400 @Override 2401 public void onLongPress(MotionEvent event) { 2402 if (mSelectedChip != null) { 2403 return; 2404 } 2405 float x = event.getX(); 2406 float y = event.getY(); 2407 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2408 RecipientChip currentChip = findChip(offset); 2409 if (currentChip != null) { 2410 if (mDragEnabled) { 2411 // Start drag-and-drop for the selected chip. 2412 startDrag(currentChip); 2413 } else { 2414 // Copy the selected chip email address. 2415 showCopyDialog(currentChip.getEntry().getDestination()); 2416 } 2417 } 2418 } 2419 2420 /** 2421 * Enables drag-and-drop for chips. 2422 */ 2423 public void enableDrag() { 2424 mDragEnabled = true; 2425 } 2426 2427 /** 2428 * Starts drag-and-drop for the selected chip. 2429 */ 2430 private void startDrag(RecipientChip currentChip) { 2431 String address = currentChip.getEntry().getDestination(); 2432 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2433 2434 // Start drag mode. 2435 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2436 2437 // Remove the current chip, so drag-and-drop will result in a move. 2438 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2439 removeChip(currentChip); 2440 } 2441 2442 /** 2443 * Handles drag event. 2444 */ 2445 @Override 2446 public boolean onDragEvent(DragEvent event) { 2447 switch (event.getAction()) { 2448 case DragEvent.ACTION_DRAG_STARTED: 2449 // Only handle plain text drag and drop. 2450 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2451 case DragEvent.ACTION_DRAG_ENTERED: 2452 requestFocus(); 2453 return true; 2454 case DragEvent.ACTION_DROP: 2455 handlePasteClip(event.getClipData()); 2456 return true; 2457 } 2458 return false; 2459 } 2460 2461 /** 2462 * Drag shadow for a {@link RecipientChip}. 2463 */ 2464 private final class RecipientChipShadow extends DragShadowBuilder { 2465 private final RecipientChip mChip; 2466 2467 public RecipientChipShadow(RecipientChip chip) { 2468 mChip = chip; 2469 } 2470 2471 @Override 2472 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2473 Rect rect = mChip.getDrawable().getBounds(); 2474 shadowSize.set(rect.width(), rect.height()); 2475 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2476 } 2477 2478 @Override 2479 public void onDrawShadow(Canvas canvas) { 2480 mChip.getDrawable().draw(canvas); 2481 } 2482 } 2483 2484 private void showCopyDialog(final String address) { 2485 mCopyAddress = address; 2486 mCopyDialog.setTitle(address); 2487 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2488 mCopyDialog.setCancelable(true); 2489 mCopyDialog.setCanceledOnTouchOutside(true); 2490 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2491 button.setOnClickListener(this); 2492 int btnTitleId; 2493 if (((BaseRecipientAdapter)getAdapter()).getQueryType() == 2494 BaseRecipientAdapter.QUERY_TYPE_PHONE) { 2495 btnTitleId = R.string.copy_number; 2496 } else { 2497 btnTitleId = R.string.copy_email; 2498 } 2499 String buttonTitle = getContext().getResources().getString(btnTitleId); 2500 button.setText(buttonTitle); 2501 mCopyDialog.setOnDismissListener(this); 2502 mCopyDialog.show(); 2503 } 2504 2505 @Override 2506 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2507 // Do nothing. 2508 return false; 2509 } 2510 2511 @Override 2512 public void onShowPress(MotionEvent e) { 2513 // Do nothing. 2514 } 2515 2516 @Override 2517 public boolean onSingleTapUp(MotionEvent e) { 2518 // Do nothing. 2519 return false; 2520 } 2521 2522 @Override 2523 public void onDismiss(DialogInterface dialog) { 2524 mCopyAddress = null; 2525 } 2526 2527 @Override 2528 public void onClick(View v) { 2529 // Copy this to the clipboard. 2530 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2531 Context.CLIPBOARD_SERVICE); 2532 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2533 mCopyDialog.dismiss(); 2534 } 2535} 2536