RecipientEditTextView.java revision 291e619b2b2ced9abe53fc97613f5707319325bb
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 outAttrs.actionLabel = getContext().getString(R.string.done); 298 return connection; 299 } 300 301 /*package*/ RecipientChip getLastChip() { 302 RecipientChip last = null; 303 RecipientChip[] chips = getSortedRecipients(); 304 if (chips != null && chips.length > 0) { 305 last = chips[chips.length - 1]; 306 } 307 return last; 308 } 309 310 @Override 311 public void onSelectionChanged(int start, int end) { 312 // When selection changes, see if it is inside the chips area. 313 // If so, move the cursor back after the chips again. 314 RecipientChip last = getLastChip(); 315 if (last != null && start < getSpannable().getSpanEnd(last)) { 316 // Grab the last chip and set the cursor to after it. 317 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 318 } 319 super.onSelectionChanged(start, end); 320 } 321 322 @Override 323 public void onRestoreInstanceState(Parcelable state) { 324 if (!TextUtils.isEmpty(getText())) { 325 super.onRestoreInstanceState(null); 326 } else { 327 super.onRestoreInstanceState(state); 328 } 329 } 330 331 @Override 332 public Parcelable onSaveInstanceState() { 333 // If the user changes orientation while they are editing, just roll back the selection. 334 clearSelectedChip(); 335 return super.onSaveInstanceState(); 336 } 337 338 /** 339 * Convenience method: Append the specified text slice to the TextView's 340 * display buffer, upgrading it to BufferType.EDITABLE if it was 341 * not already editable. Commas are excluded as they are added automatically 342 * by the view. 343 */ 344 @Override 345 public void append(CharSequence text, int start, int end) { 346 // We don't care about watching text changes while appending. 347 if (mTextWatcher != null) { 348 removeTextChangedListener(mTextWatcher); 349 } 350 super.append(text, start, end); 351 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 352 final String displayString = text.toString(); 353 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 354 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 355 && TextUtils.getTrimmedLength(displayString) > 0) { 356 mPendingChipsCount++; 357 mPendingChips.add(text.toString()); 358 } 359 } 360 // Put a message on the queue to make sure we ALWAYS handle pending chips. 361 if (mPendingChipsCount > 0) { 362 postHandlePendingChips(); 363 } 364 mHandler.post(mAddTextWatcher); 365 } 366 367 @Override 368 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 369 super.onFocusChanged(hasFocus, direction, previous); 370 if (!hasFocus) { 371 shrink(); 372 } else { 373 expand(); 374 } 375 } 376 377 @Override 378 public void performValidation() { 379 // Do nothing. Chips handles its own validation. 380 } 381 382 private void shrink() { 383 if (mTokenizer == null) { 384 return; 385 } 386 if (mSelectedChip != null 387 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 388 clearSelectedChip(); 389 } else { 390 if (getWidth() <= 0) { 391 // We don't have the width yet which means the view hasn't been drawn yet 392 // and there is no reason to attempt to commit chips yet. 393 // This focus lost must be the result of an orientation change 394 // or an initial rendering. 395 // Re-post the shrink for later. 396 mHandler.removeCallbacks(mDelayedShrink); 397 mHandler.post(mDelayedShrink); 398 return; 399 } 400 // Reset any pending chips as they would have been handled 401 // when the field lost focus. 402 if (mPendingChipsCount > 0) { 403 postHandlePendingChips(); 404 } else { 405 Editable editable = getText(); 406 int end = getSelectionEnd(); 407 int start = mTokenizer.findTokenStart(editable, end); 408 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 409 if ((chips == null || chips.length == 0)) { 410 Editable text = getText(); 411 int whatEnd = mTokenizer.findTokenEnd(text, start); 412 // This token was already tokenized, so skip past the ending token. 413 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 414 whatEnd++; 415 } 416 // In the middle of chip; treat this as an edit 417 // and commit the whole token. 418 int selEnd = getSelectionEnd(); 419 if (whatEnd != selEnd) { 420 handleEdit(start, whatEnd); 421 } else { 422 commitChip(start, end, editable); 423 } 424 } 425 } 426 mHandler.post(mAddTextWatcher); 427 } 428 createMoreChip(); 429 } 430 431 private void expand() { 432 removeMoreChip(); 433 setCursorVisible(true); 434 Editable text = getText(); 435 setSelection(text != null && text.length() > 0 ? text.length() : 0); 436 // If there are any temporary chips, try replacing them now that the user 437 // has expanded the field. 438 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 439 new RecipientReplacementTask().execute(); 440 mTemporaryRecipients = null; 441 } 442 } 443 444 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 445 paint.setTextSize(mChipFontSize); 446 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 447 Log.d(TAG, "Max width is negative: " + maxWidth); 448 } 449 return TextUtils.ellipsize(text, paint, maxWidth, 450 TextUtils.TruncateAt.END); 451 } 452 453 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 454 // Ellipsize the text so that it takes AT MOST the entire width of the 455 // autocomplete text entry area. Make sure to leave space for padding 456 // on the sides. 457 int height = (int) mChipHeight; 458 int deleteWidth = height; 459 float[] widths = new float[1]; 460 paint.getTextWidths(" ", widths); 461 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 462 calculateAvailableWidth(true) - deleteWidth - widths[0]); 463 464 // Make sure there is a minimum chip width so the user can ALWAYS 465 // tap a chip without difficulty. 466 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 467 ellipsizedText.length())) 468 + (mChipPadding * 2) + deleteWidth); 469 470 // Create the background of the chip. 471 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 472 Canvas canvas = new Canvas(tmpBitmap); 473 if (mChipBackgroundPressed != null) { 474 mChipBackgroundPressed.setBounds(0, 0, width, height); 475 mChipBackgroundPressed.draw(canvas); 476 paint.setColor(sSelectedTextColor); 477 // Vertically center the text in the chip. 478 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 479 getTextYOffset((String) ellipsizedText, paint, height), paint); 480 // Make the delete a square. 481 Rect backgroundPadding = new Rect(); 482 mChipBackgroundPressed.getPadding(backgroundPadding); 483 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 484 0 + backgroundPadding.top, 485 width - backgroundPadding.right, 486 height - backgroundPadding.bottom); 487 mChipDelete.draw(canvas); 488 } else { 489 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 490 } 491 return tmpBitmap; 492 } 493 494 495 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 496 // Ellipsize the text so that it takes AT MOST the entire width of the 497 // autocomplete text entry area. Make sure to leave space for padding 498 // on the sides. 499 int height = (int) mChipHeight; 500 int iconWidth = height; 501 float[] widths = new float[1]; 502 paint.getTextWidths(" ", widths); 503 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 504 calculateAvailableWidth(false) - iconWidth - widths[0]); 505 // Make sure there is a minimum chip width so the user can ALWAYS 506 // tap a chip without difficulty. 507 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 508 ellipsizedText.length())) 509 + (mChipPadding * 2) + iconWidth); 510 511 // Create the background of the chip. 512 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 513 Canvas canvas = new Canvas(tmpBitmap); 514 Drawable background = getChipBackground(contact); 515 if (background != null) { 516 background.setBounds(0, 0, width, height); 517 background.draw(canvas); 518 519 // Don't draw photos for recipients that have been typed in. 520 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 521 byte[] photoBytes = contact.getPhotoBytes(); 522 // There may not be a photo yet if anything but the first contact address 523 // was selected. 524 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 525 // TODO: cache this in the recipient entry? 526 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 527 .getPhotoThumbnailUri()); 528 photoBytes = contact.getPhotoBytes(); 529 } 530 531 Bitmap photo; 532 if (photoBytes != null) { 533 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 534 } else { 535 // TODO: can the scaled down default photo be cached? 536 photo = mDefaultContactPhoto; 537 } 538 // Draw the photo on the left side. 539 if (photo != null) { 540 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 541 Rect backgroundPadding = new Rect(); 542 mChipBackground.getPadding(backgroundPadding); 543 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 544 0 + backgroundPadding.top, 545 width - backgroundPadding.right, 546 height - backgroundPadding.bottom); 547 Matrix matrix = new Matrix(); 548 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 549 canvas.drawBitmap(photo, matrix, paint); 550 } 551 } else { 552 // Don't leave any space for the icon. It isn't being drawn. 553 iconWidth = 0; 554 } 555 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 556 // Vertically center the text in the chip. 557 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 558 getTextYOffset((String)ellipsizedText, paint, height), paint); 559 } else { 560 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 561 } 562 return tmpBitmap; 563 } 564 565 /** 566 * Get the background drawable for a RecipientChip. 567 */ 568 // Visible for testing. 569 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 570 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 571 mChipBackground : mInvalidChipBackground; 572 } 573 574 private float getTextYOffset(String text, TextPaint paint, int height) { 575 Rect bounds = new Rect(); 576 paint.getTextBounds(text, 0, text.length(), bounds); 577 int textHeight = bounds.bottom - bounds.top ; 578 return height - ((height - textHeight) / 2) - (int)paint.descent(); 579 } 580 581 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 582 throws NullPointerException { 583 if (mChipBackground == null) { 584 throw new NullPointerException( 585 "Unable to render any chips as setChipDimensions was not called."); 586 } 587 Layout layout = getLayout(); 588 589 TextPaint paint = getPaint(); 590 float defaultSize = paint.getTextSize(); 591 int defaultColor = paint.getColor(); 592 593 Bitmap tmpBitmap; 594 if (pressed) { 595 tmpBitmap = createSelectedChip(contact, paint, layout); 596 597 } else { 598 tmpBitmap = createUnselectedChip(contact, paint, layout); 599 } 600 601 // Pass the full text, un-ellipsized, to the chip. 602 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 603 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 604 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 605 // Return text to the original size. 606 paint.setTextSize(defaultSize); 607 paint.setColor(defaultColor); 608 return recipientChip; 609 } 610 611 /** 612 * Calculate the bottom of the line the chip will be located on using: 613 * 1) which line the chip appears on 614 * 2) the height of a chip 615 * 3) padding built into the edit text view 616 */ 617 private int calculateOffsetFromBottom(int line) { 618 // Line offsets start at zero. 619 int actualLine = getLineCount() - (line + 1); 620 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 621 + getDropDownVerticalOffset(); 622 } 623 624 /** 625 * Get the max amount of space a chip can take up. The formula takes into 626 * account the width of the EditTextView, any view padding, and padding 627 * that will be added to the chip. 628 */ 629 private float calculateAvailableWidth(boolean pressed) { 630 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 631 } 632 633 634 private void setChipDimensions(Context context, AttributeSet attrs) { 635 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 636 0); 637 Resources r = getContext().getResources(); 638 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 639 if (mChipBackground == null) { 640 mChipBackground = r.getDrawable(R.drawable.chip_background); 641 } 642 mChipBackgroundPressed = a 643 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 644 if (mChipBackgroundPressed == null) { 645 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 646 } 647 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 648 if (mChipDelete == null) { 649 mChipDelete = r.getDrawable(R.drawable.chip_delete); 650 } 651 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 652 if (mChipPadding == -1) { 653 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 654 } 655 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 656 -1); 657 if (mAlternatesLayout == -1) { 658 mAlternatesLayout = R.layout.chips_alternate_item; 659 } 660 661 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 662 663 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 664 665 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 666 if (mChipHeight == -1) { 667 mChipHeight = r.getDimension(R.dimen.chip_height); 668 } 669 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 670 if (mChipFontSize == -1) { 671 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 672 } 673 mInvalidChipBackground = a 674 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 675 if (mInvalidChipBackground == null) { 676 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 677 } 678 a.recycle(); 679 } 680 681 // Visible for testing. 682 /* package */ void setMoreItem(TextView moreItem) { 683 mMoreItem = moreItem; 684 } 685 686 687 // Visible for testing. 688 /* package */ void setChipBackground(Drawable chipBackground) { 689 mChipBackground = chipBackground; 690 } 691 692 // Visible for testing. 693 /* package */ void setChipHeight(int height) { 694 mChipHeight = height; 695 } 696 697 /** 698 * Set whether to shrink the recipients field such that at most 699 * one line of recipients chips are shown when the field loses 700 * focus. By default, the number of displayed recipients will be 701 * limited and a "more" chip will be shown when focus is lost. 702 * @param shrink 703 */ 704 public void setOnFocusListShrinkRecipients(boolean shrink) { 705 mShouldShrink = shrink; 706 } 707 708 @Override 709 public void onSizeChanged(int width, int height, int oldw, int oldh) { 710 super.onSizeChanged(width, height, oldw, oldh); 711 if (width != 0 && height != 0) { 712 if (mPendingChipsCount > 0) { 713 postHandlePendingChips(); 714 } else { 715 checkChipWidths(); 716 } 717 } 718 // Try to find the scroll view parent, if it exists. 719 if (mScrollView == null && !mTriedGettingScrollView) { 720 ViewParent parent = getParent(); 721 while (parent != null && !(parent instanceof ScrollView)) { 722 parent = parent.getParent(); 723 } 724 if (parent != null) { 725 mScrollView = (ScrollView) parent; 726 } 727 mTriedGettingScrollView = true; 728 } 729 } 730 731 private void postHandlePendingChips() { 732 mHandler.removeCallbacks(mHandlePendingChips); 733 mHandler.post(mHandlePendingChips); 734 } 735 736 private void checkChipWidths() { 737 // Check the widths of the associated chips. 738 RecipientChip[] chips = getSortedRecipients(); 739 if (chips != null) { 740 Rect bounds; 741 for (RecipientChip chip : chips) { 742 bounds = chip.getDrawable().getBounds(); 743 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 744 // Need to redraw that chip. 745 replaceChip(chip, chip.getEntry()); 746 } 747 } 748 } 749 } 750 751 // Visible for testing. 752 /*package*/ void handlePendingChips() { 753 if (getViewWidth() <= 0) { 754 // The widget has not been sized yet. 755 // This will be called as a result of onSizeChanged 756 // at a later point. 757 return; 758 } 759 if (mPendingChipsCount <= 0) { 760 return; 761 } 762 763 synchronized (mPendingChips) { 764 Editable editable = getText(); 765 // Tokenize! 766 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 767 for (int i = 0; i < mPendingChips.size(); i++) { 768 String current = mPendingChips.get(i); 769 int tokenStart = editable.toString().indexOf(current); 770 int tokenEnd = tokenStart + current.length(); 771 if (tokenStart >= 0) { 772 // When we have a valid token, include it with the token 773 // to the left. 774 if (tokenEnd < editable.length() - 2 775 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 776 tokenEnd++; 777 } 778 createReplacementChip(tokenStart, tokenEnd, editable); 779 } 780 mPendingChipsCount--; 781 } 782 sanitizeEnd(); 783 } else { 784 mNoChips = true; 785 } 786 787 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 788 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 789 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 790 new RecipientReplacementTask().execute(); 791 mTemporaryRecipients = null; 792 } else { 793 // Create the "more" chip 794 mIndividualReplacements = new IndividualReplacementTask(); 795 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 796 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 797 798 createMoreChip(); 799 } 800 } else { 801 // There are too many recipients to look up, so just fall back 802 // to showing addresses for all of them. 803 mTemporaryRecipients = null; 804 createMoreChip(); 805 } 806 mPendingChipsCount = 0; 807 mPendingChips.clear(); 808 } 809 } 810 811 // Visible for testing. 812 /*package*/ int getViewWidth() { 813 return getWidth(); 814 } 815 816 /** 817 * Remove any characters after the last valid chip. 818 */ 819 // Visible for testing. 820 /*package*/ void sanitizeEnd() { 821 // Don't sanitize while we are waiting for pending chips to complete. 822 if (mPendingChipsCount > 0) { 823 return; 824 } 825 // Find the last chip; eliminate any commit characters after it. 826 RecipientChip[] chips = getSortedRecipients(); 827 if (chips != null && chips.length > 0) { 828 int end; 829 ImageSpan lastSpan; 830 mMoreChip = getMoreChip(); 831 if (mMoreChip != null) { 832 lastSpan = mMoreChip; 833 } else { 834 lastSpan = getLastChip(); 835 } 836 end = getSpannable().getSpanEnd(lastSpan); 837 Editable editable = getText(); 838 int length = editable.length(); 839 if (length > end) { 840 // See what characters occur after that and eliminate them. 841 if (Log.isLoggable(TAG, Log.DEBUG)) { 842 Log.d(TAG, "There were extra characters after the last tokenizable entry." 843 + editable); 844 } 845 editable.delete(end + 1, length); 846 } 847 } 848 } 849 850 /** 851 * Create a chip that represents just the email address of a recipient. At some later 852 * point, this chip will be attached to a real contact entry, if one exists. 853 */ 854 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 855 if (alreadyHasChip(tokenStart, tokenEnd)) { 856 // There is already a chip present at this location. 857 // Don't recreate it. 858 return; 859 } 860 String token = editable.toString().substring(tokenStart, tokenEnd); 861 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 862 if (commitCharIndex == token.length() - 1) { 863 token = token.substring(0, token.length() - 1); 864 } 865 RecipientEntry entry = createTokenizedEntry(token); 866 if (entry != null) { 867 String destText = createAddressText(entry); 868 // Always leave a blank space at the end of a chip. 869 int textLength = destText.length() - 1; 870 SpannableString chipText = new SpannableString(destText); 871 int end = getSelectionEnd(); 872 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 873 RecipientChip chip = null; 874 try { 875 if (!mNoChips) { 876 chip = constructChipSpan(entry, start, false); 877 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 878 } 879 } catch (NullPointerException e) { 880 Log.e(TAG, e.getMessage(), e); 881 } 882 editable.replace(tokenStart, tokenEnd, chipText); 883 // Add this chip to the list of entries "to replace" 884 if (chip != null) { 885 if (mTemporaryRecipients == null) { 886 mTemporaryRecipients = new ArrayList<RecipientChip>(); 887 } 888 chip.setOriginalText(chipText.toString()); 889 mTemporaryRecipients.add(chip); 890 } 891 } 892 } 893 894 private static boolean isPhoneNumber(String number) { 895 // TODO: replace this function with libphonenumber's isPossibleNumber (see 896 // PhoneNumberUtil). One complication is that it requires the sender's region which 897 // comes from the CurrentCountryIso. For now, let's just do this simple match. 898 if (TextUtils.isEmpty(number)) { 899 return false; 900 } 901 902 Matcher match = Patterns.PHONE.matcher(number); 903 return match.matches(); 904 } 905 906 private RecipientEntry createTokenizedEntry(String token) { 907 if (TextUtils.isEmpty(token)) { 908 return null; 909 } 910 if (isPhoneQuery() && 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() && !isPhoneQuery()) { 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 (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 setEnabled(false); 1897 popup.setWidth(width); 1898 popup.setAnchorView(this); 1899 popup.setVerticalOffset(bottom); 1900 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1901 popup.setOnItemClickListener(new OnItemClickListener() { 1902 @Override 1903 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1904 unselectChip(currentChip); 1905 popup.dismiss(); 1906 } 1907 }); 1908 popup.show(); 1909 ListView listView = popup.getListView(); 1910 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1911 listView.setItemChecked(0, true); 1912 } 1913 1914 /** 1915 * Remove selection from this chip. Unselecting a RecipientChip will render 1916 * the chip without a delete icon and with an unfocused background. This is 1917 * called when the RecipientChip no longer has focus. 1918 */ 1919 private void unselectChip(RecipientChip chip) { 1920 int start = getChipStart(chip); 1921 int end = getChipEnd(chip); 1922 Editable editable = getText(); 1923 mSelectedChip = null; 1924 if (start == -1 || end == -1) { 1925 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1926 setSelection(editable.length()); 1927 commitDefault(); 1928 } else { 1929 getSpannable().removeSpan(chip); 1930 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1931 editable.removeSpan(chip); 1932 try { 1933 if (!mNoChips) { 1934 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1935 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1936 } 1937 } catch (NullPointerException e) { 1938 Log.e(TAG, e.getMessage(), e); 1939 } 1940 } 1941 setCursorVisible(true); 1942 setSelection(editable.length()); 1943 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1944 mAlternatesPopup.dismiss(); 1945 } 1946 } 1947 1948 /** 1949 * Return whether a touch event was inside the delete target of 1950 * a selected chip. It is in the delete target if: 1951 * 1) the x and y points of the event are within the 1952 * delete assset. 1953 * 2) the point tapped would have caused a cursor to appear 1954 * right after the selected chip. 1955 * @return boolean 1956 */ 1957 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1958 // Figure out the bounds of this chip and whether or not 1959 // the user clicked in the X portion. 1960 return chip.isSelected() && offset == getChipEnd(chip); 1961 } 1962 1963 /** 1964 * Remove the chip and any text associated with it from the RecipientEditTextView. 1965 */ 1966 // Visible for testing. 1967 /*pacakge*/ void removeChip(RecipientChip chip) { 1968 Spannable spannable = getSpannable(); 1969 int spanStart = spannable.getSpanStart(chip); 1970 int spanEnd = spannable.getSpanEnd(chip); 1971 Editable text = getText(); 1972 int toDelete = spanEnd; 1973 boolean wasSelected = chip == mSelectedChip; 1974 // Clear that there is a selected chip before updating any text. 1975 if (wasSelected) { 1976 mSelectedChip = null; 1977 } 1978 // Always remove trailing spaces when removing a chip. 1979 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1980 toDelete++; 1981 } 1982 spannable.removeSpan(chip); 1983 if (spanStart >= 0 && toDelete > 0) { 1984 text.delete(spanStart, toDelete); 1985 } 1986 if (wasSelected) { 1987 clearSelectedChip(); 1988 } 1989 } 1990 1991 /** 1992 * Replace this currently selected chip with a new chip 1993 * that uses the contact data provided. 1994 */ 1995 // Visible for testing. 1996 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1997 boolean wasSelected = chip == mSelectedChip; 1998 if (wasSelected) { 1999 mSelectedChip = null; 2000 } 2001 int start = getChipStart(chip); 2002 int end = getChipEnd(chip); 2003 getSpannable().removeSpan(chip); 2004 Editable editable = getText(); 2005 CharSequence chipText = createChip(entry, false); 2006 if (chipText != null) { 2007 if (start == -1 || end == -1) { 2008 Log.e(TAG, "The chip to replace does not exist but should."); 2009 editable.insert(0, chipText); 2010 } else { 2011 if (!TextUtils.isEmpty(chipText)) { 2012 // There may be a space to replace with this chip's new 2013 // associated 2014 // space. Check for it 2015 int toReplace = end; 2016 while (toReplace >= 0 && toReplace < editable.length() 2017 && editable.charAt(toReplace) == ' ') { 2018 toReplace++; 2019 } 2020 editable.replace(start, toReplace, chipText); 2021 } 2022 } 2023 } 2024 setCursorVisible(true); 2025 if (wasSelected) { 2026 clearSelectedChip(); 2027 } 2028 } 2029 2030 /** 2031 * Handle click events for a chip. When a selected chip receives a click 2032 * event, see if that event was in the delete icon. If so, delete it. 2033 * Otherwise, unselect the chip. 2034 */ 2035 public void onClick(RecipientChip chip, int offset, float x, float y) { 2036 if (chip.isSelected()) { 2037 if (isInDelete(chip, offset, x, y)) { 2038 removeChip(chip); 2039 } else { 2040 clearSelectedChip(); 2041 } 2042 } 2043 } 2044 2045 private boolean chipsPending() { 2046 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2047 } 2048 2049 @Override 2050 public void removeTextChangedListener(TextWatcher watcher) { 2051 mTextWatcher = null; 2052 super.removeTextChangedListener(watcher); 2053 } 2054 2055 private class RecipientTextWatcher implements TextWatcher { 2056 2057 @Override 2058 public void afterTextChanged(Editable s) { 2059 // If the text has been set to null or empty, make sure we remove 2060 // all the spans we applied. 2061 if (TextUtils.isEmpty(s)) { 2062 // Remove all the chips spans. 2063 Spannable spannable = getSpannable(); 2064 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2065 RecipientChip.class); 2066 for (RecipientChip chip : chips) { 2067 spannable.removeSpan(chip); 2068 } 2069 if (mMoreChip != null) { 2070 spannable.removeSpan(mMoreChip); 2071 } 2072 return; 2073 } 2074 // Get whether there are any recipients pending addition to the 2075 // view. If there are, don't do anything in the text watcher. 2076 if (chipsPending()) { 2077 return; 2078 } 2079 // If the user is editing a chip, don't clear it. 2080 if (mSelectedChip != null 2081 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2082 setCursorVisible(true); 2083 setSelection(getText().length()); 2084 clearSelectedChip(); 2085 } 2086 int length = s.length(); 2087 // Make sure there is content there to parse and that it is 2088 // not just the commit character. 2089 if (length > 1) { 2090 char last; 2091 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2092 int len = length() - 1; 2093 if (end != len) { 2094 last = s.charAt(end); 2095 } else { 2096 last = s.charAt(len); 2097 } 2098 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2099 commitByCharacter(); 2100 } else if (last == COMMIT_CHAR_SPACE) { 2101 if (!isPhoneQuery()) { 2102 // Check if this is a valid email address. If it is, 2103 // commit it. 2104 String text = getText().toString(); 2105 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2106 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2107 tokenStart)); 2108 if (!TextUtils.isEmpty(sub) && mValidator != null && 2109 mValidator.isValid(sub)) { 2110 commitByCharacter(); 2111 } 2112 } 2113 } 2114 } 2115 } 2116 2117 @Override 2118 public void onTextChanged(CharSequence s, int start, int before, int count) { 2119 // This is a delete; check to see if the insertion point is on a space 2120 // following a chip. 2121 if (before > count) { 2122 // If the item deleted is a space, and the thing before the 2123 // space is a chip, delete the entire span. 2124 int selStart = getSelectionStart(); 2125 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2126 RecipientChip.class); 2127 if (repl.length > 0) { 2128 // There is a chip there! Just remove it. 2129 Editable editable = getText(); 2130 // Add the separator token. 2131 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2132 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2133 tokenEnd = tokenEnd + 1; 2134 if (tokenEnd > editable.length()) { 2135 tokenEnd = editable.length(); 2136 } 2137 editable.delete(tokenStart, tokenEnd); 2138 getSpannable().removeSpan(repl[0]); 2139 } 2140 } else { 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 // +1 for the space at the end. 2230 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2231 created.add(createdChip); 2232 } 2233 } 2234 } 2235 // Take a look at the last token. If the token has been completed with a 2236 // commit character, create a chip. 2237 if (isCompletedToken(lastAddress)) { 2238 Editable editable = getText(); 2239 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2240 commitChip(tokenStart, editable.length(), editable); 2241 created.add(findChip(tokenStart)); 2242 } 2243 return created; 2244 } 2245 2246 // Visible for testing. 2247 /* package */int movePastTerminators(int tokenEnd) { 2248 if (tokenEnd >= length()) { 2249 return tokenEnd; 2250 } 2251 char atEnd = getText().toString().charAt(tokenEnd); 2252 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2253 tokenEnd++; 2254 } 2255 // This token had not only an end token character, but also a space 2256 // separating it from the next token. 2257 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2258 tokenEnd++; 2259 } 2260 return tokenEnd; 2261 } 2262 2263 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2264 private RecipientChip createFreeChip(RecipientEntry entry) { 2265 try { 2266 if (mNoChips) { 2267 return null; 2268 } 2269 return constructChipSpan(entry, -1, false); 2270 } catch (NullPointerException e) { 2271 Log.e(TAG, e.getMessage(), e); 2272 return null; 2273 } 2274 } 2275 2276 @Override 2277 protected Void doInBackground(Void... params) { 2278 if (mIndividualReplacements != null) { 2279 mIndividualReplacements.cancel(true); 2280 } 2281 // For each chip in the list, look up the matching contact. 2282 // If there is a match, replace that chip with the matching 2283 // chip. 2284 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2285 RecipientChip[] existingChips = getSortedRecipients(); 2286 for (int i = 0; i < existingChips.length; i++) { 2287 originalRecipients.add(existingChips[i]); 2288 } 2289 if (mRemovedSpans != null) { 2290 originalRecipients.addAll(mRemovedSpans); 2291 } 2292 String[] addresses = new String[originalRecipients.size()]; 2293 RecipientChip chip; 2294 for (int i = 0; i < originalRecipients.size(); i++) { 2295 chip = originalRecipients.get(i); 2296 if (chip != null) { 2297 addresses[i] = createAddressText(chip.getEntry()); 2298 } 2299 } 2300 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2301 .getMatchingRecipients(getContext(), addresses); 2302 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2303 for (final RecipientChip temp : originalRecipients) { 2304 RecipientEntry entry = null; 2305 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2306 && getSpannable().getSpanStart(temp) != -1) { 2307 // Replace this. 2308 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2309 .getDestination()))); 2310 } 2311 if (entry != null) { 2312 replacements.add(createFreeChip(entry)); 2313 } else { 2314 replacements.add(temp); 2315 } 2316 } 2317 if (replacements != null && replacements.size() > 0) { 2318 mHandler.post(new Runnable() { 2319 @Override 2320 public void run() { 2321 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2322 .toString()); 2323 Editable oldText = getText(); 2324 int start, end; 2325 int i = 0; 2326 for (RecipientChip chip : originalRecipients) { 2327 start = oldText.getSpanStart(chip); 2328 if (start != -1) { 2329 end = oldText.getSpanEnd(chip); 2330 oldText.removeSpan(chip); 2331 // Leave a spot for the space! 2332 RecipientChip replacement = replacements.get(i); 2333 text.setSpan(replacement, start, end, 2334 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2335 replacement.setOriginalText(text.toString().substring(start, end)); 2336 } 2337 i++; 2338 } 2339 originalRecipients.clear(); 2340 setText(text); 2341 } 2342 }); 2343 } 2344 return null; 2345 } 2346 } 2347 2348 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2349 @SuppressWarnings("unchecked") 2350 @Override 2351 protected Void doInBackground(Object... params) { 2352 // For each chip in the list, look up the matching contact. 2353 // If there is a match, replace that chip with the matching 2354 // chip. 2355 final ArrayList<RecipientChip> originalRecipients = 2356 (ArrayList<RecipientChip>) params[0]; 2357 String[] addresses = new String[originalRecipients.size()]; 2358 RecipientChip chip; 2359 for (int i = 0; i < originalRecipients.size(); i++) { 2360 chip = originalRecipients.get(i); 2361 if (chip != null) { 2362 addresses[i] = createAddressText(chip.getEntry()); 2363 } 2364 } 2365 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2366 .getMatchingRecipients(getContext(), addresses); 2367 for (final RecipientChip temp : originalRecipients) { 2368 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2369 && getSpannable().getSpanStart(temp) != -1) { 2370 // Replace this. 2371 final RecipientEntry entry = createValidatedEntry(entries 2372 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2373 if (entry != null) { 2374 mHandler.post(new Runnable() { 2375 @Override 2376 public void run() { 2377 replaceChip(temp, entry); 2378 } 2379 }); 2380 } 2381 } 2382 } 2383 return null; 2384 } 2385 } 2386 2387 2388 /** 2389 * MoreImageSpan is a simple class created for tracking the existence of a 2390 * more chip across activity restarts/ 2391 */ 2392 private class MoreImageSpan extends ImageSpan { 2393 public MoreImageSpan(Drawable b) { 2394 super(b); 2395 } 2396 } 2397 2398 @Override 2399 public boolean onDown(MotionEvent e) { 2400 return false; 2401 } 2402 2403 @Override 2404 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2405 // Do nothing. 2406 return false; 2407 } 2408 2409 @Override 2410 public void onLongPress(MotionEvent event) { 2411 if (mSelectedChip != null) { 2412 return; 2413 } 2414 float x = event.getX(); 2415 float y = event.getY(); 2416 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2417 RecipientChip currentChip = findChip(offset); 2418 if (currentChip != null) { 2419 if (mDragEnabled) { 2420 // Start drag-and-drop for the selected chip. 2421 startDrag(currentChip); 2422 } else { 2423 // Copy the selected chip email address. 2424 showCopyDialog(currentChip.getEntry().getDestination()); 2425 } 2426 } 2427 } 2428 2429 /** 2430 * Enables drag-and-drop for chips. 2431 */ 2432 public void enableDrag() { 2433 mDragEnabled = true; 2434 } 2435 2436 /** 2437 * Starts drag-and-drop for the selected chip. 2438 */ 2439 private void startDrag(RecipientChip currentChip) { 2440 String address = currentChip.getEntry().getDestination(); 2441 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2442 2443 // Start drag mode. 2444 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2445 2446 // Remove the current chip, so drag-and-drop will result in a move. 2447 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2448 removeChip(currentChip); 2449 } 2450 2451 /** 2452 * Handles drag event. 2453 */ 2454 @Override 2455 public boolean onDragEvent(DragEvent event) { 2456 switch (event.getAction()) { 2457 case DragEvent.ACTION_DRAG_STARTED: 2458 // Only handle plain text drag and drop. 2459 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2460 case DragEvent.ACTION_DRAG_ENTERED: 2461 requestFocus(); 2462 return true; 2463 case DragEvent.ACTION_DROP: 2464 handlePasteClip(event.getClipData()); 2465 return true; 2466 } 2467 return false; 2468 } 2469 2470 /** 2471 * Drag shadow for a {@link RecipientChip}. 2472 */ 2473 private final class RecipientChipShadow extends DragShadowBuilder { 2474 private final RecipientChip mChip; 2475 2476 public RecipientChipShadow(RecipientChip chip) { 2477 mChip = chip; 2478 } 2479 2480 @Override 2481 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2482 Rect rect = mChip.getDrawable().getBounds(); 2483 shadowSize.set(rect.width(), rect.height()); 2484 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2485 } 2486 2487 @Override 2488 public void onDrawShadow(Canvas canvas) { 2489 mChip.getDrawable().draw(canvas); 2490 } 2491 } 2492 2493 private void showCopyDialog(final String address) { 2494 mCopyAddress = address; 2495 mCopyDialog.setTitle(address); 2496 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2497 mCopyDialog.setCancelable(true); 2498 mCopyDialog.setCanceledOnTouchOutside(true); 2499 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2500 button.setOnClickListener(this); 2501 int btnTitleId; 2502 if (isPhoneQuery()) { 2503 btnTitleId = R.string.copy_number; 2504 } else { 2505 btnTitleId = R.string.copy_email; 2506 } 2507 String buttonTitle = getContext().getResources().getString(btnTitleId); 2508 button.setText(buttonTitle); 2509 mCopyDialog.setOnDismissListener(this); 2510 mCopyDialog.show(); 2511 } 2512 2513 @Override 2514 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2515 // Do nothing. 2516 return false; 2517 } 2518 2519 @Override 2520 public void onShowPress(MotionEvent e) { 2521 // Do nothing. 2522 } 2523 2524 @Override 2525 public boolean onSingleTapUp(MotionEvent e) { 2526 // Do nothing. 2527 return false; 2528 } 2529 2530 @Override 2531 public void onDismiss(DialogInterface dialog) { 2532 mCopyAddress = null; 2533 } 2534 2535 @Override 2536 public void onClick(View v) { 2537 // Copy this to the clipboard. 2538 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2539 Context.CLIPBOARD_SERVICE); 2540 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2541 mCopyDialog.dismiss(); 2542 } 2543 2544 protected boolean isPhoneQuery() { 2545 return ((BaseRecipientAdapter)getAdapter()).getQueryType() == 2546 BaseRecipientAdapter.QUERY_TYPE_PHONE; 2547 } 2548} 2549