RecipientEditTextView.java revision c75bea26b81d1075fac128188a594aa511d94d9b
1/* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.ex.chips; 18 19import android.app.Dialog; 20import android.content.ClipData; 21import android.content.ClipDescription; 22import android.content.ClipboardManager; 23import android.content.Context; 24import android.content.DialogInterface; 25import android.content.DialogInterface.OnDismissListener; 26import android.content.res.Resources; 27import android.content.res.TypedArray; 28import android.graphics.Bitmap; 29import android.graphics.BitmapFactory; 30import android.graphics.Canvas; 31import android.graphics.Matrix; 32import android.graphics.Point; 33import android.graphics.Rect; 34import android.graphics.RectF; 35import android.graphics.drawable.BitmapDrawable; 36import android.graphics.drawable.Drawable; 37import android.os.AsyncTask; 38import android.os.Handler; 39import android.os.Message; 40import android.os.Parcelable; 41import android.text.Editable; 42import android.text.InputType; 43import android.text.Layout; 44import android.text.Spannable; 45import android.text.SpannableString; 46import android.text.SpannableStringBuilder; 47import android.text.Spanned; 48import android.text.TextPaint; 49import android.text.TextUtils; 50import android.text.TextWatcher; 51import android.text.method.QwertyKeyListener; 52import android.text.style.ImageSpan; 53import android.text.util.Rfc822Token; 54import android.text.util.Rfc822Tokenizer; 55import android.util.AttributeSet; 56import android.util.Log; 57import android.util.Patterns; 58import android.view.ActionMode; 59import android.view.ActionMode.Callback; 60import android.view.DragEvent; 61import android.view.GestureDetector; 62import android.view.KeyEvent; 63import android.view.LayoutInflater; 64import android.view.Menu; 65import android.view.MenuItem; 66import android.view.MotionEvent; 67import android.view.View; 68import android.view.View.OnClickListener; 69import android.view.ViewParent; 70import android.view.inputmethod.EditorInfo; 71import android.view.inputmethod.InputConnection; 72import android.widget.AdapterView; 73import android.widget.AdapterView.OnItemClickListener; 74import android.widget.Button; 75import android.widget.ListAdapter; 76import android.widget.ListPopupWindow; 77import android.widget.ListView; 78import android.widget.MultiAutoCompleteTextView; 79import android.widget.ScrollView; 80import android.widget.TextView; 81 82import java.util.ArrayList; 83import java.util.Arrays; 84import java.util.Collection; 85import java.util.Collections; 86import java.util.Comparator; 87import java.util.HashMap; 88import java.util.HashSet; 89import java.util.Set; 90import java.util.regex.Matcher; 91 92/** 93 * RecipientEditTextView is an auto complete text view for use with applications 94 * that use the new Chips UI for addressing a message to recipients. 95 */ 96public class RecipientEditTextView extends MultiAutoCompleteTextView implements 97 OnItemClickListener, Callback, RecipientAlternatesAdapter.OnCheckedItemChangedListener, 98 GestureDetector.OnGestureListener, OnDismissListener, OnClickListener, 99 TextView.OnEditorActionListener { 100 101 private static final char COMMIT_CHAR_COMMA = ','; 102 103 private static final char COMMIT_CHAR_SEMICOLON = ';'; 104 105 private static final char COMMIT_CHAR_SPACE = ' '; 106 107 private static final String TAG = "RecipientEditTextView"; 108 109 private static int DISMISS = "dismiss".hashCode(); 110 111 private static final long DISMISS_DELAY = 300; 112 113 // TODO: get correct number/ algorithm from with UX. 114 // Visible for testing. 115 /*package*/ static final int CHIP_LIMIT = 2; 116 117 private static final int MAX_CHIPS_PARSED = 50; 118 119 private static int sSelectedTextColor = -1; 120 121 // Resources for displaying chips. 122 private Drawable mChipBackground = null; 123 124 private Drawable mChipDelete = null; 125 126 private Drawable mInvalidChipBackground; 127 128 private Drawable mChipBackgroundPressed; 129 130 private float mChipHeight; 131 132 private float mChipFontSize; 133 134 private int mChipPadding; 135 136 private Tokenizer mTokenizer; 137 138 private Validator mValidator; 139 140 private RecipientChip mSelectedChip; 141 142 private int mAlternatesLayout; 143 144 private Bitmap mDefaultContactPhoto; 145 146 private ImageSpan mMoreChip; 147 148 private TextView mMoreItem; 149 150 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 151 152 private Handler mHandler; 153 154 private int mPendingChipsCount = 0; 155 156 private boolean mNoChips = false; 157 158 private ListPopupWindow mAlternatesPopup; 159 160 private ListPopupWindow mAddressPopup; 161 162 private ArrayList<RecipientChip> mTemporaryRecipients; 163 164 private ArrayList<RecipientChip> mRemovedSpans; 165 166 private boolean mShouldShrink = true; 167 168 // Chip copy fields. 169 private GestureDetector mGestureDetector; 170 171 private Dialog mCopyDialog; 172 173 private String mCopyAddress; 174 175 /** 176 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 177 * selected chip. 178 */ 179 private OnItemClickListener mAlternatesListener; 180 181 private int mCheckedItem; 182 183 private TextWatcher mTextWatcher; 184 185 // Obtain the enclosing scroll view, if it exists, so that the view can be 186 // scrolled to show the last line of chips content. 187 private ScrollView mScrollView; 188 189 private boolean mTriedGettingScrollView; 190 191 private boolean mDragEnabled = false; 192 193 private final Runnable mAddTextWatcher = new Runnable() { 194 @Override 195 public void run() { 196 if (mTextWatcher == null) { 197 mTextWatcher = new RecipientTextWatcher(); 198 addTextChangedListener(mTextWatcher); 199 } 200 } 201 }; 202 203 private IndividualReplacementTask mIndividualReplacements; 204 205 private Runnable mHandlePendingChips = new Runnable() { 206 207 @Override 208 public void run() { 209 handlePendingChips(); 210 } 211 212 }; 213 214 private Runnable mDelayedShrink = new Runnable() { 215 216 @Override 217 public void run() { 218 shrink(); 219 } 220 221 }; 222 223 public RecipientEditTextView(Context context, AttributeSet attrs) { 224 super(context, attrs); 225 setChipDimensions(context, attrs); 226 if (sSelectedTextColor == -1) { 227 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 228 } 229 mAlternatesPopup = new ListPopupWindow(context); 230 mAddressPopup = new ListPopupWindow(context); 231 mCopyDialog = new Dialog(context); 232 mAlternatesListener = new OnItemClickListener() { 233 @Override 234 public void onItemClick(AdapterView<?> adapterView,View view, int position, 235 long rowId) { 236 mAlternatesPopup.setOnItemClickListener(null); 237 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 238 .getRecipientEntry(position)); 239 Message delayed = Message.obtain(mHandler, DISMISS); 240 delayed.obj = mAlternatesPopup; 241 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 242 clearComposingText(); 243 } 244 }; 245 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 246 setOnItemClickListener(this); 247 setCustomSelectionActionModeCallback(this); 248 mHandler = new Handler() { 249 @Override 250 public void handleMessage(Message msg) { 251 if (msg.what == DISMISS) { 252 ((ListPopupWindow) msg.obj).dismiss(); 253 return; 254 } 255 super.handleMessage(msg); 256 } 257 }; 258 mTextWatcher = new RecipientTextWatcher(); 259 addTextChangedListener(mTextWatcher); 260 mGestureDetector = new GestureDetector(context, this); 261 setOnEditorActionListener(this); 262 } 263 264 @Override 265 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 266 if (action == EditorInfo.IME_ACTION_DONE) { 267 if (commitDefault()) { 268 return true; 269 } 270 if (mSelectedChip != null) { 271 clearSelectedChip(); 272 return true; 273 } else if (focusNext()) { 274 return true; 275 } 276 } 277 return false; 278 } 279 280 @Override 281 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 282 InputConnection connection = super.onCreateInputConnection(outAttrs); 283 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 284 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 285 // clear the existing action 286 outAttrs.imeOptions ^= imeActions; 287 // set the DONE action 288 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 289 } 290 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 291 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 292 } 293 outAttrs.actionLabel = getContext().getString(R.string.done); 294 return connection; 295 } 296 297 /*package*/ RecipientChip getLastChip() { 298 RecipientChip last = null; 299 RecipientChip[] chips = getSortedRecipients(); 300 if (chips != null && chips.length > 0) { 301 last = chips[chips.length - 1]; 302 } 303 return last; 304 } 305 306 @Override 307 public void onSelectionChanged(int start, int end) { 308 // When selection changes, see if it is inside the chips area. 309 // If so, move the cursor back after the chips again. 310 RecipientChip last = getLastChip(); 311 if (last != null && start < getSpannable().getSpanEnd(last)) { 312 // Grab the last chip and set the cursor to after it. 313 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 314 } 315 super.onSelectionChanged(start, end); 316 } 317 318 @Override 319 public void onRestoreInstanceState(Parcelable state) { 320 if (!TextUtils.isEmpty(getText())) { 321 super.onRestoreInstanceState(null); 322 } else { 323 super.onRestoreInstanceState(state); 324 } 325 } 326 327 @Override 328 public Parcelable onSaveInstanceState() { 329 // If the user changes orientation while they are editing, just roll back the selection. 330 clearSelectedChip(); 331 return super.onSaveInstanceState(); 332 } 333 334 /** 335 * Convenience method: Append the specified text slice to the TextView's 336 * display buffer, upgrading it to BufferType.EDITABLE if it was 337 * not already editable. Commas are excluded as they are added automatically 338 * by the view. 339 */ 340 @Override 341 public void append(CharSequence text, int start, int end) { 342 // We don't care about watching text changes while appending. 343 if (mTextWatcher != null) { 344 removeTextChangedListener(mTextWatcher); 345 } 346 super.append(text, start, end); 347 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 348 final String displayString = text.toString(); 349 int seperatorPos = displayString.indexOf(COMMIT_CHAR_COMMA); 350 if (seperatorPos != 0 && !TextUtils.isEmpty(displayString) 351 && TextUtils.getTrimmedLength(displayString) > 0) { 352 mPendingChipsCount++; 353 mPendingChips.add(text.toString()); 354 } 355 } 356 // Put a message on the queue to make sure we ALWAYS handle pending chips. 357 if (mPendingChipsCount > 0) { 358 postHandlePendingChips(); 359 } 360 mHandler.post(mAddTextWatcher); 361 } 362 363 @Override 364 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 365 super.onFocusChanged(hasFocus, direction, previous); 366 if (!hasFocus) { 367 shrink(); 368 } else { 369 expand(); 370 } 371 } 372 373 @Override 374 public void performValidation() { 375 // Do nothing. Chips handles its own validation. 376 } 377 378 private void shrink() { 379 if (mTokenizer == null) { 380 return; 381 } 382 if (mSelectedChip != null 383 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 384 clearSelectedChip(); 385 } else { 386 if (getWidth() <= 0) { 387 // We don't have the width yet which means the view hasn't been drawn yet 388 // and there is no reason to attempt to commit chips yet. 389 // This focus lost must be the result of an orientation change 390 // or an initial rendering. 391 // Re-post the shrink for later. 392 mHandler.removeCallbacks(mDelayedShrink); 393 mHandler.post(mDelayedShrink); 394 return; 395 } 396 // Reset any pending chips as they would have been handled 397 // when the field lost focus. 398 if (mPendingChipsCount > 0) { 399 postHandlePendingChips(); 400 } else { 401 Editable editable = getText(); 402 int end = getSelectionEnd(); 403 int start = mTokenizer.findTokenStart(editable, end); 404 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 405 if ((chips == null || chips.length == 0)) { 406 Editable text = getText(); 407 int whatEnd = mTokenizer.findTokenEnd(text, start); 408 // This token was already tokenized, so skip past the ending token. 409 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 410 whatEnd++; 411 } 412 // In the middle of chip; treat this as an edit 413 // and commit the whole token. 414 int selEnd = getSelectionEnd(); 415 if (whatEnd != selEnd) { 416 handleEdit(start, whatEnd); 417 } else { 418 commitChip(start, end, editable); 419 } 420 } 421 } 422 mHandler.post(mAddTextWatcher); 423 } 424 createMoreChip(); 425 } 426 427 private void expand() { 428 removeMoreChip(); 429 setCursorVisible(true); 430 Editable text = getText(); 431 setSelection(text != null && text.length() > 0 ? text.length() : 0); 432 // If there are any temporary chips, try replacing them now that the user 433 // has expanded the field. 434 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 435 new RecipientReplacementTask().execute(); 436 mTemporaryRecipients = null; 437 } 438 } 439 440 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 441 paint.setTextSize(mChipFontSize); 442 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 443 Log.d(TAG, "Max width is negative: " + maxWidth); 444 } 445 return TextUtils.ellipsize(text, paint, maxWidth, 446 TextUtils.TruncateAt.END); 447 } 448 449 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 450 // Ellipsize the text so that it takes AT MOST the entire width of the 451 // autocomplete text entry area. Make sure to leave space for padding 452 // on the sides. 453 int height = (int) mChipHeight; 454 int deleteWidth = height; 455 float[] widths = new float[1]; 456 paint.getTextWidths(" ", widths); 457 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 458 calculateAvailableWidth(true) - deleteWidth - widths[0]); 459 460 // Make sure there is a minimum chip width so the user can ALWAYS 461 // tap a chip without difficulty. 462 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 463 ellipsizedText.length())) 464 + (mChipPadding * 2) + deleteWidth); 465 466 // Create the background of the chip. 467 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 468 Canvas canvas = new Canvas(tmpBitmap); 469 if (mChipBackgroundPressed != null) { 470 mChipBackgroundPressed.setBounds(0, 0, width, height); 471 mChipBackgroundPressed.draw(canvas); 472 paint.setColor(sSelectedTextColor); 473 // Vertically center the text in the chip. 474 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 475 getTextYOffset((String) ellipsizedText, paint, height), paint); 476 // Make the delete a square. 477 Rect backgroundPadding = new Rect(); 478 mChipBackgroundPressed.getPadding(backgroundPadding); 479 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 480 0 + backgroundPadding.top, 481 width - backgroundPadding.right, 482 height - backgroundPadding.bottom); 483 mChipDelete.draw(canvas); 484 } else { 485 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 486 } 487 return tmpBitmap; 488 } 489 490 491 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 492 // Ellipsize the text so that it takes AT MOST the entire width of the 493 // autocomplete text entry area. Make sure to leave space for padding 494 // on the sides. 495 int height = (int) mChipHeight; 496 int iconWidth = height; 497 float[] widths = new float[1]; 498 paint.getTextWidths(" ", widths); 499 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 500 calculateAvailableWidth(false) - iconWidth - widths[0]); 501 // Make sure there is a minimum chip width so the user can ALWAYS 502 // tap a chip without difficulty. 503 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 504 ellipsizedText.length())) 505 + (mChipPadding * 2) + iconWidth); 506 507 // Create the background of the chip. 508 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 509 Canvas canvas = new Canvas(tmpBitmap); 510 Drawable background = getChipBackground(contact); 511 if (background != null) { 512 background.setBounds(0, 0, width, height); 513 background.draw(canvas); 514 515 // Don't draw photos for recipients that have been typed in. 516 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 517 byte[] photoBytes = contact.getPhotoBytes(); 518 // There may not be a photo yet if anything but the first contact address 519 // was selected. 520 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 521 // TODO: cache this in the recipient entry? 522 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 523 .getPhotoThumbnailUri()); 524 photoBytes = contact.getPhotoBytes(); 525 } 526 527 Bitmap photo; 528 if (photoBytes != null) { 529 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 530 } else { 531 // TODO: can the scaled down default photo be cached? 532 photo = mDefaultContactPhoto; 533 } 534 // Draw the photo on the left side. 535 if (photo != null) { 536 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 537 Rect backgroundPadding = new Rect(); 538 mChipBackground.getPadding(backgroundPadding); 539 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 540 0 + backgroundPadding.top, 541 width - backgroundPadding.right, 542 height - backgroundPadding.bottom); 543 Matrix matrix = new Matrix(); 544 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 545 canvas.drawBitmap(photo, matrix, paint); 546 } 547 } else { 548 // Don't leave any space for the icon. It isn't being drawn. 549 iconWidth = 0; 550 } 551 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 552 // Vertically center the text in the chip. 553 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 554 getTextYOffset((String)ellipsizedText, paint, height), paint); 555 } else { 556 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 557 } 558 return tmpBitmap; 559 } 560 561 /** 562 * Get the background drawable for a RecipientChip. 563 */ 564 // Visible for testing. 565 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 566 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 567 mChipBackground : mInvalidChipBackground; 568 } 569 570 private float getTextYOffset(String text, TextPaint paint, int height) { 571 Rect bounds = new Rect(); 572 paint.getTextBounds(text, 0, text.length(), bounds); 573 int textHeight = bounds.bottom - bounds.top ; 574 return height - ((height - textHeight) / 2) - (int)paint.descent(); 575 } 576 577 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 578 throws NullPointerException { 579 if (mChipBackground == null) { 580 throw new NullPointerException( 581 "Unable to render any chips as setChipDimensions was not called."); 582 } 583 Layout layout = getLayout(); 584 585 TextPaint paint = getPaint(); 586 float defaultSize = paint.getTextSize(); 587 int defaultColor = paint.getColor(); 588 589 Bitmap tmpBitmap; 590 if (pressed) { 591 tmpBitmap = createSelectedChip(contact, paint, layout); 592 593 } else { 594 tmpBitmap = createUnselectedChip(contact, paint, layout); 595 } 596 597 // Pass the full text, un-ellipsized, to the chip. 598 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 599 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 600 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 601 // Return text to the original size. 602 paint.setTextSize(defaultSize); 603 paint.setColor(defaultColor); 604 return recipientChip; 605 } 606 607 /** 608 * Calculate the bottom of the line the chip will be located on using: 609 * 1) which line the chip appears on 610 * 2) the height of a chip 611 * 3) padding built into the edit text view 612 */ 613 private int calculateOffsetFromBottom(int line) { 614 // Line offsets start at zero. 615 int actualLine = getLineCount() - (line + 1); 616 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 617 + getDropDownVerticalOffset(); 618 } 619 620 /** 621 * Get the max amount of space a chip can take up. The formula takes into 622 * account the width of the EditTextView, any view padding, and padding 623 * that will be added to the chip. 624 */ 625 private float calculateAvailableWidth(boolean pressed) { 626 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 627 } 628 629 630 private void setChipDimensions(Context context, AttributeSet attrs) { 631 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 632 0); 633 Resources r = getContext().getResources(); 634 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 635 if (mChipBackground == null) { 636 mChipBackground = r.getDrawable(R.drawable.chip_background); 637 } 638 mChipBackgroundPressed = a 639 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 640 if (mChipBackgroundPressed == null) { 641 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 642 } 643 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 644 if (mChipDelete == null) { 645 mChipDelete = r.getDrawable(R.drawable.chip_delete); 646 } 647 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 648 if (mChipPadding == -1) { 649 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 650 } 651 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 652 -1); 653 if (mAlternatesLayout == -1) { 654 mAlternatesLayout = R.layout.chips_alternate_item; 655 } 656 657 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 658 659 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 660 661 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 662 if (mChipHeight == -1) { 663 mChipHeight = r.getDimension(R.dimen.chip_height); 664 } 665 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 666 if (mChipFontSize == -1) { 667 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 668 } 669 mInvalidChipBackground = a 670 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 671 if (mInvalidChipBackground == null) { 672 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 673 } 674 a.recycle(); 675 } 676 677 // Visible for testing. 678 /* package */ void setMoreItem(TextView moreItem) { 679 mMoreItem = moreItem; 680 } 681 682 683 // Visible for testing. 684 /* package */ void setChipBackground(Drawable chipBackground) { 685 mChipBackground = chipBackground; 686 } 687 688 // Visible for testing. 689 /* package */ void setChipHeight(int height) { 690 mChipHeight = height; 691 } 692 693 /** 694 * Set whether to shrink the recipients field such that at most 695 * one line of recipients chips are shown when the field loses 696 * focus. By default, the number of displayed recipients will be 697 * limited and a "more" chip will be shown when focus is lost. 698 * @param shrink 699 */ 700 public void setOnFocusListShrinkRecipients(boolean shrink) { 701 mShouldShrink = shrink; 702 } 703 704 @Override 705 public void onSizeChanged(int width, int height, int oldw, int oldh) { 706 super.onSizeChanged(width, height, oldw, oldh); 707 if (width != 0 && height != 0) { 708 if (mPendingChipsCount > 0) { 709 postHandlePendingChips(); 710 } else { 711 checkChipWidths(); 712 } 713 } 714 // Try to find the scroll view parent, if it exists. 715 if (mScrollView == null && !mTriedGettingScrollView) { 716 ViewParent parent = getParent(); 717 while (parent != null && !(parent instanceof ScrollView)) { 718 parent = parent.getParent(); 719 } 720 if (parent != null) { 721 mScrollView = (ScrollView) parent; 722 } 723 mTriedGettingScrollView = true; 724 } 725 } 726 727 private void postHandlePendingChips() { 728 mHandler.removeCallbacks(mHandlePendingChips); 729 mHandler.post(mHandlePendingChips); 730 } 731 732 private void checkChipWidths() { 733 // Check the widths of the associated chips. 734 RecipientChip[] chips = getSortedRecipients(); 735 if (chips != null) { 736 Rect bounds; 737 for (RecipientChip chip : chips) { 738 bounds = chip.getDrawable().getBounds(); 739 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 740 // Need to redraw that chip. 741 replaceChip(chip, chip.getEntry()); 742 } 743 } 744 } 745 } 746 747 // Visible for testing. 748 /*package*/ void handlePendingChips() { 749 if (getViewWidth() <= 0) { 750 // The widget has not been sized yet. 751 // This will be called as a result of onSizeChanged 752 // at a later point. 753 return; 754 } 755 if (mPendingChipsCount <= 0) { 756 return; 757 } 758 759 synchronized (mPendingChips) { 760 Editable editable = getText(); 761 // Tokenize! 762 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 763 for (int i = 0; i < mPendingChips.size(); i++) { 764 String current = mPendingChips.get(i); 765 int tokenStart = editable.toString().indexOf(current); 766 int tokenEnd = tokenStart + current.length(); 767 if (tokenStart >= 0) { 768 // When we have a valid token, include it with the token 769 // to the left. 770 if (tokenEnd < editable.length() - 2 771 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 772 tokenEnd++; 773 } 774 createReplacementChip(tokenStart, tokenEnd, editable); 775 } 776 mPendingChipsCount--; 777 } 778 sanitizeEnd(); 779 } else { 780 mNoChips = true; 781 } 782 783 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 784 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 785 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 786 new RecipientReplacementTask().execute(); 787 mTemporaryRecipients = null; 788 } else { 789 // Create the "more" chip 790 mIndividualReplacements = new IndividualReplacementTask(); 791 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 792 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 793 794 createMoreChip(); 795 } 796 } else { 797 // There are too many recipients to look up, so just fall back 798 // to showing addresses for all of them. 799 mTemporaryRecipients = null; 800 createMoreChip(); 801 } 802 mPendingChipsCount = 0; 803 mPendingChips.clear(); 804 } 805 } 806 807 // Visible for testing. 808 /*package*/ int getViewWidth() { 809 return getWidth(); 810 } 811 812 /** 813 * Remove any characters after the last valid chip. 814 */ 815 // Visible for testing. 816 /*package*/ void sanitizeEnd() { 817 // Don't sanitize while we are waiting for pending chips to complete. 818 if (mPendingChipsCount > 0) { 819 return; 820 } 821 // Find the last chip; eliminate any commit characters after it. 822 RecipientChip[] chips = getSortedRecipients(); 823 if (chips != null && chips.length > 0) { 824 int end; 825 ImageSpan lastSpan; 826 mMoreChip = getMoreChip(); 827 if (mMoreChip != null) { 828 lastSpan = mMoreChip; 829 } else { 830 lastSpan = getLastChip(); 831 } 832 end = getSpannable().getSpanEnd(lastSpan); 833 Editable editable = getText(); 834 int length = editable.length(); 835 if (length > end) { 836 // See what characters occur after that and eliminate them. 837 if (Log.isLoggable(TAG, Log.DEBUG)) { 838 Log.d(TAG, "There were extra characters after the last tokenizable entry." 839 + editable); 840 } 841 editable.delete(end + 1, length); 842 } 843 } 844 } 845 846 /** 847 * Create a chip that represents just the email address of a recipient. At some later 848 * point, this chip will be attached to a real contact entry, if one exists. 849 */ 850 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 851 if (alreadyHasChip(tokenStart, tokenEnd)) { 852 // There is already a chip present at this location. 853 // Don't recreate it. 854 return; 855 } 856 String token = editable.toString().substring(tokenStart, tokenEnd); 857 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 858 if (commitCharIndex == token.length() - 1) { 859 token = token.substring(0, token.length() - 1); 860 } 861 RecipientEntry entry = createTokenizedEntry(token); 862 if (entry != null) { 863 String destText = createAddressText(entry); 864 // Always leave a blank space at the end of a chip. 865 int textLength = destText.length() - 1; 866 SpannableString chipText = new SpannableString(destText); 867 int end = getSelectionEnd(); 868 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 869 RecipientChip chip = null; 870 try { 871 if (!mNoChips) { 872 chip = constructChipSpan(entry, start, false); 873 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 874 } 875 } catch (NullPointerException e) { 876 Log.e(TAG, e.getMessage(), e); 877 } 878 editable.replace(tokenStart, tokenEnd, chipText); 879 // Add this chip to the list of entries "to replace" 880 if (chip != null) { 881 if (mTemporaryRecipients == null) { 882 mTemporaryRecipients = new ArrayList<RecipientChip>(); 883 } 884 chip.setOriginalText(chipText.toString()); 885 mTemporaryRecipients.add(chip); 886 } 887 } 888 } 889 890 private static boolean isPhoneNumber(String number) { 891 // TODO: replace this function with libphonenumber's isPossibleNumber (see 892 // PhoneNumberUtil). One complication is that it requires the sender's region which 893 // comes from the CurrentCountryIso. For now, let's just do this simple match. 894 if (TextUtils.isEmpty(number)) { 895 return false; 896 } 897 898 Matcher match = Patterns.PHONE.matcher(number); 899 return match.matches(); 900 } 901 902 private RecipientEntry createTokenizedEntry(String token) { 903 if (TextUtils.isEmpty(token)) { 904 return null; 905 } 906 if (isPhoneQuery() && isPhoneNumber(token)) { 907 return RecipientEntry 908 .constructFakeEntry(token); 909 } 910 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 911 String display = null; 912 if (isValid(token) && tokens != null && tokens.length > 0) { 913 // If we can get a name from tokenizing, then generate an entry from 914 // this. 915 display = tokens[0].getName(); 916 if (!TextUtils.isEmpty(display)) { 917 return RecipientEntry.constructGeneratedEntry(display, token); 918 } else { 919 display = tokens[0].getAddress(); 920 if (!TextUtils.isEmpty(display)) { 921 return RecipientEntry.constructFakeEntry(display); 922 } 923 } 924 } 925 // Unable to validate the token or to create a valid token from it. 926 // Just create a chip the user can edit. 927 String validatedToken = null; 928 if (mValidator != null && !mValidator.isValid(token)) { 929 // Try fixing up the entry using the validator. 930 validatedToken = mValidator.fixText(token).toString(); 931 if (!TextUtils.isEmpty(validatedToken)) { 932 if (validatedToken.contains(token)) { 933 // protect against the case of a validator with a null domain, 934 // which doesn't add a domain to the token 935 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 936 if (tokenized.length > 0) { 937 validatedToken = tokenized[0].getAddress(); 938 } 939 } else { 940 // We ran into a case where the token was invalid and removed 941 // by the validator. In this case, just use the original token 942 // and let the user sort out the error chip. 943 validatedToken = null; 944 } 945 } 946 } 947 // Otherwise, fallback to just creating an editable email address chip. 948 return RecipientEntry 949 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 950 } 951 952 private boolean isValid(String text) { 953 return mValidator == null ? true : mValidator.isValid(text); 954 } 955 956 private String tokenizeAddress(String destination) { 957 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 958 if (tokens != null && tokens.length > 0) { 959 return tokens[0].getAddress(); 960 } 961 return destination; 962 } 963 964 @Override 965 public void setTokenizer(Tokenizer tokenizer) { 966 mTokenizer = tokenizer; 967 super.setTokenizer(mTokenizer); 968 } 969 970 @Override 971 public void setValidator(Validator validator) { 972 mValidator = validator; 973 super.setValidator(validator); 974 } 975 976 /** 977 * We cannot use the default mechanism for replaceText. Instead, 978 * we override onItemClickListener so we can get all the associated 979 * contact information including display text, address, and id. 980 */ 981 @Override 982 protected void replaceText(CharSequence text) { 983 return; 984 } 985 986 /** 987 * Dismiss any selected chips when the back key is pressed. 988 */ 989 @Override 990 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 991 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 992 clearSelectedChip(); 993 return true; 994 } 995 return super.onKeyPreIme(keyCode, event); 996 } 997 998 /** 999 * Monitor key presses in this view to see if the user types 1000 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1001 * If the user has entered text that has contact matches and types 1002 * a commit key, create a chip from the topmost matching contact. 1003 * If the user has entered text that has no contact matches and types 1004 * a commit key, then create a chip from the text they have entered. 1005 */ 1006 @Override 1007 public boolean onKeyUp(int keyCode, KeyEvent event) { 1008 switch (keyCode) { 1009 case KeyEvent.KEYCODE_ENTER: 1010 case KeyEvent.KEYCODE_DPAD_CENTER: 1011 if (event.hasNoModifiers()) { 1012 if (commitDefault()) { 1013 return true; 1014 } 1015 if (mSelectedChip != null) { 1016 clearSelectedChip(); 1017 return true; 1018 } else if (focusNext()) { 1019 return true; 1020 } 1021 } 1022 break; 1023 case KeyEvent.KEYCODE_TAB: 1024 if (event.hasNoModifiers()) { 1025 if (mSelectedChip != null) { 1026 clearSelectedChip(); 1027 } else { 1028 commitDefault(); 1029 } 1030 if (focusNext()) { 1031 return true; 1032 } 1033 } 1034 break; 1035 } 1036 return super.onKeyUp(keyCode, event); 1037 } 1038 1039 private boolean focusNext() { 1040 View next = focusSearch(View.FOCUS_DOWN); 1041 if (next != null) { 1042 next.requestFocus(); 1043 return true; 1044 } 1045 return false; 1046 } 1047 1048 /** 1049 * Create a chip from the default selection. If the popup is showing, the 1050 * default is the first item in the popup suggestions list. Otherwise, it is 1051 * whatever the user had typed in. End represents where the the tokenizer 1052 * should search for a token to turn into a chip. 1053 * @return If a chip was created from a real contact. 1054 */ 1055 private boolean commitDefault() { 1056 // If there is no tokenizer, don't try to commit. 1057 if (mTokenizer == null) { 1058 return false; 1059 } 1060 Editable editable = getText(); 1061 int end = getSelectionEnd(); 1062 int start = mTokenizer.findTokenStart(editable, end); 1063 1064 if (shouldCreateChip(start, end)) { 1065 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1066 // In the middle of chip; treat this as an edit 1067 // and commit the whole token. 1068 if (whatEnd != getSelectionEnd()) { 1069 handleEdit(start, whatEnd); 1070 return true; 1071 } 1072 return commitChip(start, end , editable); 1073 } 1074 return false; 1075 } 1076 1077 private void commitByCharacter() { 1078 // We can't possibly commit by character if we can't tokenize. 1079 if (mTokenizer == null) { 1080 return; 1081 } 1082 Editable editable = getText(); 1083 int end = getSelectionEnd(); 1084 int start = mTokenizer.findTokenStart(editable, end); 1085 if (shouldCreateChip(start, end)) { 1086 commitChip(start, end, editable); 1087 } 1088 setSelection(getText().length()); 1089 } 1090 1091 private boolean commitChip(int start, int end, Editable editable) { 1092 ListAdapter adapter = getAdapter(); 1093 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1094 && end == getSelectionEnd() && !isPhoneQuery()) { 1095 // choose the first entry. 1096 submitItemAtPosition(0); 1097 dismissDropDown(); 1098 return true; 1099 } else { 1100 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1101 if (editable.length() > tokenEnd + 1) { 1102 char charAt = editable.charAt(tokenEnd + 1); 1103 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1104 tokenEnd++; 1105 } 1106 } 1107 String text = editable.toString().substring(start, tokenEnd).trim(); 1108 clearComposingText(); 1109 if (text != null && text.length() > 0 && !text.equals(" ")) { 1110 RecipientEntry entry = createTokenizedEntry(text); 1111 if (entry != null) { 1112 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1113 CharSequence chipText = createChip(entry, false); 1114 if (chipText != null && start > -1 && end > -1) { 1115 editable.replace(start, end, chipText); 1116 } 1117 } 1118 // Only dismiss the dropdown if it is related to the text we 1119 // just committed. 1120 // For paste, it may not be as there are possibly multiple 1121 // tokens being added. 1122 if (end == getSelectionEnd()) { 1123 dismissDropDown(); 1124 } 1125 sanitizeBetween(); 1126 return true; 1127 } 1128 } 1129 return false; 1130 } 1131 1132 // Visible for testing. 1133 /* package */ void sanitizeBetween() { 1134 // Don't sanitize while we are waiting for content to chipify. 1135 if (mPendingChipsCount > 0) { 1136 return; 1137 } 1138 // Find the last chip. 1139 RecipientChip[] recips = getSortedRecipients(); 1140 if (recips != null && recips.length > 0) { 1141 RecipientChip last = recips[recips.length - 1]; 1142 RecipientChip beforeLast = null; 1143 if (recips.length > 1) { 1144 beforeLast = recips[recips.length - 2]; 1145 } 1146 int startLooking = 0; 1147 int end = getSpannable().getSpanStart(last); 1148 if (beforeLast != null) { 1149 startLooking = getSpannable().getSpanEnd(beforeLast); 1150 Editable text = getText(); 1151 if (startLooking == -1 || startLooking > text.length() - 1) { 1152 // There is nothing after this chip. 1153 return; 1154 } 1155 if (text.charAt(startLooking) == ' ') { 1156 startLooking++; 1157 } 1158 } 1159 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1160 getText().delete(startLooking, end); 1161 } 1162 } 1163 } 1164 1165 private boolean shouldCreateChip(int start, int end) { 1166 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1167 } 1168 1169 private boolean alreadyHasChip(int start, int end) { 1170 if (mNoChips) { 1171 return true; 1172 } 1173 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1174 if ((chips == null || chips.length == 0)) { 1175 return false; 1176 } 1177 return true; 1178 } 1179 1180 private void handleEdit(int start, int end) { 1181 if (start == -1 || end == -1) { 1182 // This chip no longer exists in the field. 1183 dismissDropDown(); 1184 return; 1185 } 1186 // This is in the middle of a chip, so select out the whole chip 1187 // and commit it. 1188 Editable editable = getText(); 1189 setSelection(end); 1190 String text = getText().toString().substring(start, end); 1191 if (!TextUtils.isEmpty(text)) { 1192 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1193 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1194 CharSequence chipText = createChip(entry, false); 1195 int selEnd = getSelectionEnd(); 1196 if (chipText != null && start > -1 && selEnd > -1) { 1197 editable.replace(start, selEnd, chipText); 1198 } 1199 } 1200 dismissDropDown(); 1201 } 1202 1203 /** 1204 * If there is a selected chip, delegate the key events 1205 * to the selected chip. 1206 */ 1207 @Override 1208 public boolean onKeyDown(int keyCode, KeyEvent event) { 1209 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1210 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1211 mAlternatesPopup.dismiss(); 1212 } 1213 removeChip(mSelectedChip); 1214 } 1215 1216 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1217 return true; 1218 } 1219 1220 return super.onKeyDown(keyCode, event); 1221 } 1222 1223 // Visible for testing. 1224 /* package */ Spannable getSpannable() { 1225 return getText(); 1226 } 1227 1228 private int getChipStart(RecipientChip chip) { 1229 return getSpannable().getSpanStart(chip); 1230 } 1231 1232 private int getChipEnd(RecipientChip chip) { 1233 return getSpannable().getSpanEnd(chip); 1234 } 1235 1236 /** 1237 * Instead of filtering on the entire contents of the edit box, 1238 * this subclass method filters on the range from 1239 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1240 * if the length of that range meets or exceeds {@link #getThreshold} 1241 * and makes sure that the range is not already a Chip. 1242 */ 1243 @Override 1244 protected void performFiltering(CharSequence text, int keyCode) { 1245 if (enoughToFilter() && !isCompletedToken(text)) { 1246 int end = getSelectionEnd(); 1247 int start = mTokenizer.findTokenStart(text, end); 1248 // If this is a RecipientChip, don't filter 1249 // on its contents. 1250 Spannable span = getSpannable(); 1251 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1252 if (chips != null && chips.length > 0) { 1253 return; 1254 } 1255 } 1256 super.performFiltering(text, keyCode); 1257 } 1258 1259 // Visible for testing. 1260 /*package*/ boolean isCompletedToken(CharSequence text) { 1261 if (TextUtils.isEmpty(text)) { 1262 return false; 1263 } 1264 // Check to see if this is a completed token before filtering. 1265 int end = text.length(); 1266 int start = mTokenizer.findTokenStart(text, end); 1267 String token = text.toString().substring(start, end).trim(); 1268 if (!TextUtils.isEmpty(token)) { 1269 char atEnd = token.charAt(token.length() - 1); 1270 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1271 } 1272 return false; 1273 } 1274 1275 private void clearSelectedChip() { 1276 if (mSelectedChip != null) { 1277 unselectChip(mSelectedChip); 1278 mSelectedChip = null; 1279 } 1280 setCursorVisible(true); 1281 } 1282 1283 /** 1284 * Monitor touch events in the RecipientEditTextView. 1285 * If the view does not have focus, any tap on the view 1286 * will just focus the view. If the view has focus, determine 1287 * if the touch target is a recipient chip. If it is and the chip 1288 * is not selected, select it and clear any other selected chips. 1289 * If it isn't, then select that chip. 1290 */ 1291 @Override 1292 public boolean onTouchEvent(MotionEvent event) { 1293 if (!isFocused()) { 1294 // Ignore any chip taps until this view is focused. 1295 return super.onTouchEvent(event); 1296 } 1297 boolean handled = super.onTouchEvent(event); 1298 int action = event.getAction(); 1299 boolean chipWasSelected = false; 1300 if (mSelectedChip == null) { 1301 mGestureDetector.onTouchEvent(event); 1302 } 1303 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1304 float x = event.getX(); 1305 float y = event.getY(); 1306 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1307 RecipientChip currentChip = findChip(offset); 1308 if (currentChip != null) { 1309 if (action == MotionEvent.ACTION_UP) { 1310 if (mSelectedChip != null && mSelectedChip != currentChip) { 1311 clearSelectedChip(); 1312 mSelectedChip = selectChip(currentChip); 1313 } else if (mSelectedChip == null) { 1314 setSelection(getText().length()); 1315 commitDefault(); 1316 mSelectedChip = selectChip(currentChip); 1317 } else { 1318 onClick(mSelectedChip, offset, x, y); 1319 } 1320 } 1321 chipWasSelected = true; 1322 handled = true; 1323 } else if (mSelectedChip != null 1324 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1325 chipWasSelected = true; 1326 } 1327 } 1328 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1329 clearSelectedChip(); 1330 } 1331 return handled; 1332 } 1333 1334 private void scrollLineIntoView(int line) { 1335 if (mScrollView != null) { 1336 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1337 } 1338 } 1339 1340 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1341 int width, Context context) { 1342 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1343 int bottom = calculateOffsetFromBottom(line); 1344 // Align the alternates popup with the left side of the View, 1345 // regardless of the position of the chip tapped. 1346 alternatesPopup.setWidth(width); 1347 alternatesPopup.setAnchorView(this); 1348 alternatesPopup.setVerticalOffset(bottom); 1349 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1350 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1351 // Clear the checked item. 1352 mCheckedItem = -1; 1353 alternatesPopup.show(); 1354 ListView listView = alternatesPopup.getListView(); 1355 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1356 // Checked item would be -1 if the adapter has not 1357 // loaded the view that should be checked yet. The 1358 // variable will be set correctly when onCheckedItemChanged 1359 // is called in a separate thread. 1360 if (mCheckedItem != -1) { 1361 listView.setItemChecked(mCheckedItem, true); 1362 mCheckedItem = -1; 1363 } 1364 } 1365 1366 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1367 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1368 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1369 } 1370 1371 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1372 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1373 .getEntry()); 1374 } 1375 1376 @Override 1377 public void onCheckedItemChanged(int position) { 1378 ListView listView = mAlternatesPopup.getListView(); 1379 if (listView != null && listView.getCheckedItemCount() == 0) { 1380 listView.setItemChecked(position, true); 1381 } 1382 mCheckedItem = position; 1383 } 1384 1385 // TODO: This algorithm will need a lot of tweaking after more people have used 1386 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1387 // what comes before the finger. 1388 private int putOffsetInRange(int o) { 1389 int offset = o; 1390 Editable text = getText(); 1391 int length = text.length(); 1392 // Remove whitespace from end to find "real end" 1393 int realLength = length; 1394 for (int i = length - 1; i >= 0; i--) { 1395 if (text.charAt(i) == ' ') { 1396 realLength--; 1397 } else { 1398 break; 1399 } 1400 } 1401 1402 // If the offset is beyond or at the end of the text, 1403 // leave it alone. 1404 if (offset >= realLength) { 1405 return offset; 1406 } 1407 Editable editable = getText(); 1408 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1409 // Keep walking backward! 1410 offset--; 1411 } 1412 return offset; 1413 } 1414 1415 private int findText(Editable text, int offset) { 1416 if (text.charAt(offset) != ' ') { 1417 return offset; 1418 } 1419 return -1; 1420 } 1421 1422 private RecipientChip findChip(int offset) { 1423 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1424 // Find the chip that contains this offset. 1425 for (int i = 0; i < chips.length; i++) { 1426 RecipientChip chip = chips[i]; 1427 int start = getChipStart(chip); 1428 int end = getChipEnd(chip); 1429 if (offset >= start && offset <= end) { 1430 return chip; 1431 } 1432 } 1433 return null; 1434 } 1435 1436 // Visible for testing. 1437 // Use this method to generate text to add to the list of addresses. 1438 /* package */String createAddressText(RecipientEntry entry) { 1439 String display = entry.getDisplayName(); 1440 String address = entry.getDestination(); 1441 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1442 display = null; 1443 } 1444 String trimmedDisplayText; 1445 if (isPhoneQuery() && isPhoneNumber(address)) { 1446 trimmedDisplayText = address.trim(); 1447 } else { 1448 if (address != null) { 1449 // Tokenize out the address in case the address already 1450 // contained the username as well. 1451 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1452 if (tokenized != null && tokenized.length > 0) { 1453 address = tokenized[0].getAddress(); 1454 } 1455 } 1456 Rfc822Token token = new Rfc822Token(display, address, null); 1457 trimmedDisplayText = token.toString().trim(); 1458 } 1459 int index = trimmedDisplayText.indexOf(","); 1460 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1461 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1462 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1463 } 1464 1465 // Visible for testing. 1466 // Use this method to generate text to display in a chip. 1467 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1468 String display = entry.getDisplayName(); 1469 String address = entry.getDestination(); 1470 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1471 display = null; 1472 } 1473 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1474 // Tokenize out the address in case the address already 1475 // contained the username as well. 1476 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1477 if (tokenized != null && tokenized.length > 0) { 1478 address = tokenized[0].getAddress(); 1479 } 1480 } 1481 if (!TextUtils.isEmpty(display)) { 1482 return display; 1483 } else if (!TextUtils.isEmpty(address)){ 1484 return address; 1485 } else { 1486 return new Rfc822Token(display, address, null).toString(); 1487 } 1488 } 1489 1490 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1491 String displayText = createAddressText(entry); 1492 if (TextUtils.isEmpty(displayText)) { 1493 return null; 1494 } 1495 SpannableString chipText = null; 1496 // Always leave a blank space at the end of a chip. 1497 int end = getSelectionEnd(); 1498 int start = mTokenizer.findTokenStart(getText(), end); 1499 int textLength = displayText.length()-1; 1500 chipText = new SpannableString(displayText); 1501 if (!mNoChips) { 1502 try { 1503 RecipientChip chip = constructChipSpan(entry, start, pressed); 1504 chipText.setSpan(chip, 0, textLength, 1505 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1506 chip.setOriginalText(chipText.toString()); 1507 } catch (NullPointerException e) { 1508 Log.e(TAG, e.getMessage(), e); 1509 return null; 1510 } 1511 } 1512 return chipText; 1513 } 1514 1515 /** 1516 * When an item in the suggestions list has been clicked, create a chip from the 1517 * contact information of the selected item. 1518 */ 1519 @Override 1520 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1521 submitItemAtPosition(position); 1522 } 1523 1524 private void submitItemAtPosition(int position) { 1525 RecipientEntry entry = createValidatedEntry( 1526 (RecipientEntry)getAdapter().getItem(position)); 1527 if (entry == null) { 1528 return; 1529 } 1530 clearComposingText(); 1531 1532 int end = getSelectionEnd(); 1533 int start = mTokenizer.findTokenStart(getText(), end); 1534 1535 Editable editable = getText(); 1536 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1537 CharSequence chip = createChip(entry, false); 1538 if (chip != null && start >= 0 && end >= 0) { 1539 editable.replace(start, end, chip); 1540 } 1541 sanitizeBetween(); 1542 } 1543 1544 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1545 if (item == null) { 1546 return null; 1547 } 1548 final RecipientEntry entry; 1549 // If the display name and the address are the same, or if this is a 1550 // valid contact, but the destination is invalid, then make this a fake 1551 // recipient that is editable. 1552 String destination = item.getDestination(); 1553 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1554 && (TextUtils.isEmpty(item.getDisplayName()) 1555 || TextUtils.equals(item.getDisplayName(), destination) 1556 || (mValidator != null && !mValidator.isValid(destination)))) { 1557 entry = RecipientEntry.constructFakeEntry(destination); 1558 } else { 1559 entry = item; 1560 } 1561 return entry; 1562 } 1563 1564 /** Returns a collection of contact Id for each chip inside this View. */ 1565 /* package */ Collection<Long> getContactIds() { 1566 final Set<Long> result = new HashSet<Long>(); 1567 RecipientChip[] chips = getSortedRecipients(); 1568 if (chips != null) { 1569 for (RecipientChip chip : chips) { 1570 result.add(chip.getContactId()); 1571 } 1572 } 1573 return result; 1574 } 1575 1576 1577 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1578 /* package */ Collection<Long> getDataIds() { 1579 final Set<Long> result = new HashSet<Long>(); 1580 RecipientChip [] chips = getSortedRecipients(); 1581 if (chips != null) { 1582 for (RecipientChip chip : chips) { 1583 result.add(chip.getDataId()); 1584 } 1585 } 1586 return result; 1587 } 1588 1589 // Visible for testing. 1590 /* package */RecipientChip[] getSortedRecipients() { 1591 RecipientChip[] recips = getSpannable() 1592 .getSpans(0, getText().length(), RecipientChip.class); 1593 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1594 .asList(recips)); 1595 final Spannable spannable = getSpannable(); 1596 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1597 1598 @Override 1599 public int compare(RecipientChip first, RecipientChip second) { 1600 int firstStart = spannable.getSpanStart(first); 1601 int secondStart = spannable.getSpanStart(second); 1602 if (firstStart < secondStart) { 1603 return -1; 1604 } else if (firstStart > secondStart) { 1605 return 1; 1606 } else { 1607 return 0; 1608 } 1609 } 1610 }); 1611 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1612 } 1613 1614 @Override 1615 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1616 return false; 1617 } 1618 1619 @Override 1620 public void onDestroyActionMode(ActionMode mode) { 1621 } 1622 1623 @Override 1624 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1625 return false; 1626 } 1627 1628 /** 1629 * No chips are selectable. 1630 */ 1631 @Override 1632 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1633 return false; 1634 } 1635 1636 // Visible for testing. 1637 /* package */ImageSpan getMoreChip() { 1638 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1639 MoreImageSpan.class); 1640 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1641 } 1642 1643 private MoreImageSpan createMoreSpan(int count) { 1644 String moreText = String.format(mMoreItem.getText().toString(), count); 1645 TextPaint morePaint = new TextPaint(getPaint()); 1646 morePaint.setTextSize(mMoreItem.getTextSize()); 1647 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1648 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1649 + mMoreItem.getPaddingRight(); 1650 int height = getLineHeight(); 1651 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1652 Canvas canvas = new Canvas(drawable); 1653 int adjustedHeight = height; 1654 Layout layout = getLayout(); 1655 if (layout != null) { 1656 adjustedHeight -= layout.getLineDescent(0); 1657 } 1658 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1659 1660 Drawable result = new BitmapDrawable(getResources(), drawable); 1661 result.setBounds(0, 0, width, height); 1662 return new MoreImageSpan(result); 1663 } 1664 1665 // Visible for testing. 1666 /*package*/ void createMoreChipPlainText() { 1667 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1668 Editable text = getText(); 1669 int start = 0; 1670 int end = start; 1671 for (int i = 0; i < CHIP_LIMIT; i++) { 1672 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1673 start = end; // move to the next token and get its end. 1674 } 1675 // Now, count total addresses. 1676 start = 0; 1677 int tokenCount = countTokens(text); 1678 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1679 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1680 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1681 text.replace(end, text.length(), chipText); 1682 mMoreChip = moreSpan; 1683 } 1684 1685 // Visible for testing. 1686 /* package */int countTokens(Editable text) { 1687 int tokenCount = 0; 1688 int start = 0; 1689 while (start < text.length()) { 1690 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1691 tokenCount++; 1692 if (start >= text.length()) { 1693 break; 1694 } 1695 } 1696 return tokenCount; 1697 } 1698 1699 /** 1700 * Create the more chip. The more chip is text that replaces any chips that 1701 * do not fit in the pre-defined available space when the 1702 * RecipientEditTextView loses focus. 1703 */ 1704 // Visible for testing. 1705 /* package */ void createMoreChip() { 1706 if (mNoChips) { 1707 createMoreChipPlainText(); 1708 return; 1709 } 1710 1711 if (!mShouldShrink) { 1712 return; 1713 } 1714 1715 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1716 if (tempMore.length > 0) { 1717 getSpannable().removeSpan(tempMore[0]); 1718 } 1719 RecipientChip[] recipients = getSortedRecipients(); 1720 1721 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1722 mMoreChip = null; 1723 return; 1724 } 1725 Spannable spannable = getSpannable(); 1726 int numRecipients = recipients.length; 1727 int overage = numRecipients - CHIP_LIMIT; 1728 MoreImageSpan moreSpan = createMoreSpan(overage); 1729 mRemovedSpans = new ArrayList<RecipientChip>(); 1730 int totalReplaceStart = 0; 1731 int totalReplaceEnd = 0; 1732 Editable text = getText(); 1733 for (int i = numRecipients - overage; i < recipients.length; i++) { 1734 mRemovedSpans.add(recipients[i]); 1735 if (i == numRecipients - overage) { 1736 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1737 } 1738 if (i == recipients.length - 1) { 1739 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1740 } 1741 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1742 int spanStart = spannable.getSpanStart(recipients[i]); 1743 int spanEnd = spannable.getSpanEnd(recipients[i]); 1744 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1745 } 1746 spannable.removeSpan(recipients[i]); 1747 } 1748 if (totalReplaceEnd < text.length()) { 1749 totalReplaceEnd = text.length(); 1750 } 1751 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1752 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1753 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1754 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1755 text.replace(start, end, chipText); 1756 mMoreChip = moreSpan; 1757 } 1758 1759 /** 1760 * Replace the more chip, if it exists, with all of the recipient chips it had 1761 * replaced when the RecipientEditTextView gains focus. 1762 */ 1763 // Visible for testing. 1764 /*package*/ void removeMoreChip() { 1765 if (mMoreChip != null) { 1766 Spannable span = getSpannable(); 1767 span.removeSpan(mMoreChip); 1768 mMoreChip = null; 1769 // Re-add the spans that were removed. 1770 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1771 // Recreate each removed span. 1772 RecipientChip[] recipients = getSortedRecipients(); 1773 // Start the search for tokens after the last currently visible 1774 // chip. 1775 if (recipients == null || recipients.length == 0) { 1776 return; 1777 } 1778 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1779 Editable editable = getText(); 1780 for (RecipientChip chip : mRemovedSpans) { 1781 int chipStart; 1782 int chipEnd; 1783 String token; 1784 // Need to find the location of the chip, again. 1785 token = (String) chip.getOriginalText(); 1786 // As we find the matching recipient for the remove spans, 1787 // reduce the size of the string we need to search. 1788 // That way, if there are duplicates, we always find the correct 1789 // recipient. 1790 chipStart = editable.toString().indexOf(token, end); 1791 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1792 // Only set the span if we found a matching token. 1793 if (chipStart != -1) { 1794 editable.setSpan(chip, chipStart, chipEnd, 1795 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1796 } 1797 } 1798 mRemovedSpans.clear(); 1799 } 1800 } 1801 } 1802 1803 /** 1804 * Show specified chip as selected. If the RecipientChip is just an email address, 1805 * selecting the chip will take the contents of the chip and place it at 1806 * the end of the RecipientEditTextView for inline editing. If the 1807 * RecipientChip is a complete contact, then selecting the chip 1808 * will change the background color of the chip, show the delete icon, 1809 * and a popup window with the address in use highlighted and any other 1810 * alternate addresses for the contact. 1811 * @param currentChip Chip to select. 1812 * @return A RecipientChip in the selected state or null if the chip 1813 * just contained an email address. 1814 */ 1815 private RecipientChip selectChip(RecipientChip currentChip) { 1816 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1817 CharSequence text = currentChip.getValue(); 1818 Editable editable = getText(); 1819 removeChip(currentChip); 1820 editable.append(text); 1821 setCursorVisible(true); 1822 setSelection(editable.length()); 1823 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1824 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1825 int start = getChipStart(currentChip); 1826 int end = getChipEnd(currentChip); 1827 getSpannable().removeSpan(currentChip); 1828 RecipientChip newChip; 1829 try { 1830 if (mNoChips) { 1831 return null; 1832 } 1833 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1834 } catch (NullPointerException e) { 1835 Log.e(TAG, e.getMessage(), e); 1836 return null; 1837 } 1838 Editable editable = getText(); 1839 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1840 if (start == -1 || end == -1) { 1841 Log.d(TAG, "The chip being selected no longer exists but should."); 1842 } else { 1843 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1844 } 1845 newChip.setSelected(true); 1846 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1847 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1848 } 1849 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1850 setCursorVisible(false); 1851 return newChip; 1852 } else { 1853 int start = getChipStart(currentChip); 1854 int end = getChipEnd(currentChip); 1855 getSpannable().removeSpan(currentChip); 1856 RecipientChip newChip; 1857 try { 1858 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1859 } catch (NullPointerException e) { 1860 Log.e(TAG, e.getMessage(), e); 1861 return null; 1862 } 1863 Editable editable = getText(); 1864 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1865 if (start == -1 || end == -1) { 1866 Log.d(TAG, "The chip being selected no longer exists but should."); 1867 } else { 1868 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1869 } 1870 newChip.setSelected(true); 1871 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1872 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1873 } 1874 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1875 setCursorVisible(false); 1876 return newChip; 1877 } 1878 } 1879 1880 1881 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1882 int width, Context context) { 1883 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1884 int bottom = calculateOffsetFromBottom(line); 1885 // Align the alternates popup with the left side of the View, 1886 // regardless of the position of the chip tapped. 1887 popup.setWidth(width); 1888 popup.setAnchorView(this); 1889 popup.setVerticalOffset(bottom); 1890 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1891 popup.setOnItemClickListener(new OnItemClickListener() { 1892 @Override 1893 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1894 unselectChip(currentChip); 1895 popup.dismiss(); 1896 } 1897 }); 1898 popup.show(); 1899 ListView listView = popup.getListView(); 1900 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1901 listView.setItemChecked(0, true); 1902 } 1903 1904 /** 1905 * Remove selection from this chip. Unselecting a RecipientChip will render 1906 * the chip without a delete icon and with an unfocused background. This is 1907 * called when the RecipientChip no longer has focus. 1908 */ 1909 private void unselectChip(RecipientChip chip) { 1910 int start = getChipStart(chip); 1911 int end = getChipEnd(chip); 1912 Editable editable = getText(); 1913 mSelectedChip = null; 1914 if (start == -1 || end == -1) { 1915 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1916 setSelection(editable.length()); 1917 commitDefault(); 1918 } else { 1919 getSpannable().removeSpan(chip); 1920 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1921 editable.removeSpan(chip); 1922 try { 1923 if (!mNoChips) { 1924 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1925 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1926 } 1927 } catch (NullPointerException e) { 1928 Log.e(TAG, e.getMessage(), e); 1929 } 1930 } 1931 setCursorVisible(true); 1932 setSelection(editable.length()); 1933 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1934 mAlternatesPopup.dismiss(); 1935 } 1936 } 1937 1938 /** 1939 * Return whether a touch event was inside the delete target of 1940 * a selected chip. It is in the delete target if: 1941 * 1) the x and y points of the event are within the 1942 * delete assset. 1943 * 2) the point tapped would have caused a cursor to appear 1944 * right after the selected chip. 1945 * @return boolean 1946 */ 1947 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 1948 // Figure out the bounds of this chip and whether or not 1949 // the user clicked in the X portion. 1950 return chip.isSelected() && offset == getChipEnd(chip); 1951 } 1952 1953 /** 1954 * Remove the chip and any text associated with it from the RecipientEditTextView. 1955 */ 1956 // Visible for testing. 1957 /*pacakge*/ void removeChip(RecipientChip chip) { 1958 Spannable spannable = getSpannable(); 1959 int spanStart = spannable.getSpanStart(chip); 1960 int spanEnd = spannable.getSpanEnd(chip); 1961 Editable text = getText(); 1962 int toDelete = spanEnd; 1963 boolean wasSelected = chip == mSelectedChip; 1964 // Clear that there is a selected chip before updating any text. 1965 if (wasSelected) { 1966 mSelectedChip = null; 1967 } 1968 // Always remove trailing spaces when removing a chip. 1969 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 1970 toDelete++; 1971 } 1972 spannable.removeSpan(chip); 1973 if (spanStart >= 0 && toDelete > 0) { 1974 text.delete(spanStart, toDelete); 1975 } 1976 if (wasSelected) { 1977 clearSelectedChip(); 1978 } 1979 } 1980 1981 /** 1982 * Replace this currently selected chip with a new chip 1983 * that uses the contact data provided. 1984 */ 1985 // Visible for testing. 1986 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 1987 boolean wasSelected = chip == mSelectedChip; 1988 if (wasSelected) { 1989 mSelectedChip = null; 1990 } 1991 int start = getChipStart(chip); 1992 int end = getChipEnd(chip); 1993 getSpannable().removeSpan(chip); 1994 Editable editable = getText(); 1995 CharSequence chipText = createChip(entry, false); 1996 if (chipText != null) { 1997 if (start == -1 || end == -1) { 1998 Log.e(TAG, "The chip to replace does not exist but should."); 1999 editable.insert(0, chipText); 2000 } else { 2001 if (!TextUtils.isEmpty(chipText)) { 2002 // There may be a space to replace with this chip's new 2003 // associated 2004 // space. Check for it 2005 int toReplace = end; 2006 while (toReplace >= 0 && toReplace < editable.length() 2007 && editable.charAt(toReplace) == ' ') { 2008 toReplace++; 2009 } 2010 editable.replace(start, toReplace, chipText); 2011 } 2012 } 2013 } 2014 setCursorVisible(true); 2015 if (wasSelected) { 2016 clearSelectedChip(); 2017 } 2018 } 2019 2020 /** 2021 * Handle click events for a chip. When a selected chip receives a click 2022 * event, see if that event was in the delete icon. If so, delete it. 2023 * Otherwise, unselect the chip. 2024 */ 2025 public void onClick(RecipientChip chip, int offset, float x, float y) { 2026 if (chip.isSelected()) { 2027 if (isInDelete(chip, offset, x, y)) { 2028 removeChip(chip); 2029 } else { 2030 clearSelectedChip(); 2031 } 2032 } 2033 } 2034 2035 private boolean chipsPending() { 2036 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2037 } 2038 2039 @Override 2040 public void removeTextChangedListener(TextWatcher watcher) { 2041 mTextWatcher = null; 2042 super.removeTextChangedListener(watcher); 2043 } 2044 2045 private class RecipientTextWatcher implements TextWatcher { 2046 2047 @Override 2048 public void afterTextChanged(Editable s) { 2049 // If the text has been set to null or empty, make sure we remove 2050 // all the spans we applied. 2051 if (TextUtils.isEmpty(s)) { 2052 // Remove all the chips spans. 2053 Spannable spannable = getSpannable(); 2054 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2055 RecipientChip.class); 2056 for (RecipientChip chip : chips) { 2057 spannable.removeSpan(chip); 2058 } 2059 if (mMoreChip != null) { 2060 spannable.removeSpan(mMoreChip); 2061 } 2062 return; 2063 } 2064 // Get whether there are any recipients pending addition to the 2065 // view. If there are, don't do anything in the text watcher. 2066 if (chipsPending()) { 2067 return; 2068 } 2069 // If the user is editing a chip, don't clear it. 2070 if (mSelectedChip != null 2071 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2072 setCursorVisible(true); 2073 setSelection(getText().length()); 2074 clearSelectedChip(); 2075 } 2076 int length = s.length(); 2077 // Make sure there is content there to parse and that it is 2078 // not just the commit character. 2079 if (length > 1) { 2080 char last; 2081 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2082 int len = length() - 1; 2083 if (end != len) { 2084 last = s.charAt(end); 2085 } else { 2086 last = s.charAt(len); 2087 } 2088 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2089 commitByCharacter(); 2090 } else if (last == COMMIT_CHAR_SPACE) { 2091 if (!isPhoneQuery()) { 2092 // Check if this is a valid email address. If it is, 2093 // commit it. 2094 String text = getText().toString(); 2095 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2096 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2097 tokenStart)); 2098 if (!TextUtils.isEmpty(sub) && mValidator != null && 2099 mValidator.isValid(sub)) { 2100 commitByCharacter(); 2101 } 2102 } 2103 } 2104 } 2105 } 2106 2107 @Override 2108 public void onTextChanged(CharSequence s, int start, int before, int count) { 2109 // This is a delete; check to see if the insertion point is on a space 2110 // following a chip. 2111 if (before > count) { 2112 // If the item deleted is a space, and the thing before the 2113 // space is a chip, delete the entire span. 2114 int selStart = getSelectionStart(); 2115 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2116 RecipientChip.class); 2117 if (repl.length > 0) { 2118 // There is a chip there! Just remove it. 2119 Editable editable = getText(); 2120 // Add the separator token. 2121 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2122 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2123 tokenEnd = tokenEnd + 1; 2124 if (tokenEnd > editable.length()) { 2125 tokenEnd = editable.length(); 2126 } 2127 editable.delete(tokenStart, tokenEnd); 2128 getSpannable().removeSpan(repl[0]); 2129 } 2130 } 2131 } 2132 2133 @Override 2134 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2135 // Do nothing. 2136 } 2137 } 2138 2139 /** 2140 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2141 */ 2142 private void handlePasteClip(ClipData clip) { 2143 removeTextChangedListener(mTextWatcher); 2144 2145 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2146 for (int i = 0; i < clip.getItemCount(); i++) { 2147 CharSequence paste = clip.getItemAt(i).getText(); 2148 if (paste != null) { 2149 int start = getSelectionStart(); 2150 int end = getSelectionEnd(); 2151 Editable editable = getText(); 2152 if (start >= 0 && end >= 0 && start != end) { 2153 editable.append(paste, start, end); 2154 } else { 2155 editable.insert(end, paste); 2156 } 2157 handlePasteAndReplace(); 2158 } 2159 } 2160 } 2161 2162 mHandler.post(mAddTextWatcher); 2163 } 2164 2165 @Override 2166 public boolean onTextContextMenuItem(int id) { 2167 if (id == android.R.id.paste) { 2168 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2169 Context.CLIPBOARD_SERVICE); 2170 handlePasteClip(clipboard.getPrimaryClip()); 2171 return true; 2172 } 2173 return super.onTextContextMenuItem(id); 2174 } 2175 2176 private void handlePasteAndReplace() { 2177 ArrayList<RecipientChip> created = handlePaste(); 2178 if (created != null && created.size() > 0) { 2179 // Perform reverse lookups on the pasted contacts. 2180 IndividualReplacementTask replace = new IndividualReplacementTask(); 2181 replace.execute(created); 2182 } 2183 } 2184 2185 // Visible for testing. 2186 /* package */ArrayList<RecipientChip> handlePaste() { 2187 String text = getText().toString(); 2188 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2189 String lastAddress = text.substring(originalTokenStart); 2190 int tokenStart = originalTokenStart; 2191 int prevTokenStart = tokenStart; 2192 RecipientChip findChip = null; 2193 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2194 if (tokenStart != 0) { 2195 // There are things before this! 2196 while (tokenStart != 0 && findChip == null) { 2197 prevTokenStart = tokenStart; 2198 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2199 findChip = findChip(tokenStart); 2200 } 2201 if (tokenStart != originalTokenStart) { 2202 if (findChip != null) { 2203 tokenStart = prevTokenStart; 2204 } 2205 int tokenEnd; 2206 RecipientChip createdChip; 2207 while (tokenStart < originalTokenStart) { 2208 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(text, tokenStart)); 2209 commitChip(tokenStart, tokenEnd, getText()); 2210 createdChip = findChip(tokenStart); 2211 // +1 for the space at the end. 2212 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2213 created.add(createdChip); 2214 } 2215 } 2216 } 2217 // Take a look at the last token. If the token has been completed with a 2218 // commit character, create a chip. 2219 if (isCompletedToken(lastAddress)) { 2220 Editable editable = getText(); 2221 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2222 commitChip(tokenStart, editable.length(), editable); 2223 created.add(findChip(tokenStart)); 2224 } 2225 return created; 2226 } 2227 2228 // Visible for testing. 2229 /* package */int movePastTerminators(int tokenEnd) { 2230 if (tokenEnd >= length()) { 2231 return tokenEnd; 2232 } 2233 char atEnd = getText().toString().charAt(tokenEnd); 2234 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2235 tokenEnd++; 2236 } 2237 // This token had not only an end token character, but also a space 2238 // separating it from the next token. 2239 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2240 tokenEnd++; 2241 } 2242 return tokenEnd; 2243 } 2244 2245 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2246 private RecipientChip createFreeChip(RecipientEntry entry) { 2247 try { 2248 if (mNoChips) { 2249 return null; 2250 } 2251 return constructChipSpan(entry, -1, false); 2252 } catch (NullPointerException e) { 2253 Log.e(TAG, e.getMessage(), e); 2254 return null; 2255 } 2256 } 2257 2258 @Override 2259 protected Void doInBackground(Void... params) { 2260 if (mIndividualReplacements != null) { 2261 mIndividualReplacements.cancel(true); 2262 } 2263 // For each chip in the list, look up the matching contact. 2264 // If there is a match, replace that chip with the matching 2265 // chip. 2266 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2267 RecipientChip[] existingChips = getSortedRecipients(); 2268 for (int i = 0; i < existingChips.length; i++) { 2269 originalRecipients.add(existingChips[i]); 2270 } 2271 if (mRemovedSpans != null) { 2272 originalRecipients.addAll(mRemovedSpans); 2273 } 2274 ArrayList<String> addresses = new ArrayList<String>(); 2275 RecipientChip chip; 2276 for (int i = 0; i < originalRecipients.size(); i++) { 2277 chip = originalRecipients.get(i); 2278 if (chip != null) { 2279 addresses.add(createAddressText(chip.getEntry())); 2280 } 2281 } 2282 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2283 .getMatchingRecipients(getContext(), addresses); 2284 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2285 for (final RecipientChip temp : originalRecipients) { 2286 RecipientEntry entry = null; 2287 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2288 && getSpannable().getSpanStart(temp) != -1) { 2289 // Replace this. 2290 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2291 .getDestination()))); 2292 } 2293 if (entry != null) { 2294 replacements.add(createFreeChip(entry)); 2295 } else { 2296 replacements.add(temp); 2297 } 2298 } 2299 if (replacements != null && replacements.size() > 0) { 2300 mHandler.post(new Runnable() { 2301 @Override 2302 public void run() { 2303 SpannableStringBuilder text = new SpannableStringBuilder(getText() 2304 .toString()); 2305 Editable oldText = getText(); 2306 int start, end; 2307 int i = 0; 2308 for (RecipientChip chip : originalRecipients) { 2309 start = oldText.getSpanStart(chip); 2310 if (start != -1) { 2311 end = oldText.getSpanEnd(chip); 2312 oldText.removeSpan(chip); 2313 // Leave a spot for the space! 2314 RecipientChip replacement = replacements.get(i); 2315 text.setSpan(replacement, start, end, 2316 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2317 replacement.setOriginalText(text.toString().substring(start, end)); 2318 } 2319 i++; 2320 } 2321 originalRecipients.clear(); 2322 setText(text); 2323 } 2324 }); 2325 } 2326 return null; 2327 } 2328 } 2329 2330 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2331 @SuppressWarnings("unchecked") 2332 @Override 2333 protected Void doInBackground(Object... params) { 2334 // For each chip in the list, look up the matching contact. 2335 // If there is a match, replace that chip with the matching 2336 // chip. 2337 final ArrayList<RecipientChip> originalRecipients = 2338 (ArrayList<RecipientChip>) params[0]; 2339 ArrayList<String> addresses = new ArrayList<String>(); 2340 RecipientChip chip; 2341 for (int i = 0; i < originalRecipients.size(); i++) { 2342 chip = originalRecipients.get(i); 2343 if (chip != null) { 2344 addresses.add(createAddressText(chip.getEntry())); 2345 } 2346 } 2347 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2348 .getMatchingRecipients(getContext(), addresses); 2349 for (final RecipientChip temp : originalRecipients) { 2350 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2351 && getSpannable().getSpanStart(temp) != -1) { 2352 // Replace this. 2353 final RecipientEntry entry = createValidatedEntry(entries 2354 .get(tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2355 if (entry != null) { 2356 mHandler.post(new Runnable() { 2357 @Override 2358 public void run() { 2359 replaceChip(temp, entry); 2360 } 2361 }); 2362 } 2363 } 2364 } 2365 return null; 2366 } 2367 } 2368 2369 2370 /** 2371 * MoreImageSpan is a simple class created for tracking the existence of a 2372 * more chip across activity restarts/ 2373 */ 2374 private class MoreImageSpan extends ImageSpan { 2375 public MoreImageSpan(Drawable b) { 2376 super(b); 2377 } 2378 } 2379 2380 @Override 2381 public boolean onDown(MotionEvent e) { 2382 return false; 2383 } 2384 2385 @Override 2386 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2387 // Do nothing. 2388 return false; 2389 } 2390 2391 @Override 2392 public void onLongPress(MotionEvent event) { 2393 if (mSelectedChip != null) { 2394 return; 2395 } 2396 float x = event.getX(); 2397 float y = event.getY(); 2398 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2399 RecipientChip currentChip = findChip(offset); 2400 if (currentChip != null) { 2401 if (mDragEnabled) { 2402 // Start drag-and-drop for the selected chip. 2403 startDrag(currentChip); 2404 } else { 2405 // Copy the selected chip email address. 2406 showCopyDialog(currentChip.getEntry().getDestination()); 2407 } 2408 } 2409 } 2410 2411 /** 2412 * Enables drag-and-drop for chips. 2413 */ 2414 public void enableDrag() { 2415 mDragEnabled = true; 2416 } 2417 2418 /** 2419 * Starts drag-and-drop for the selected chip. 2420 */ 2421 private void startDrag(RecipientChip currentChip) { 2422 String address = currentChip.getEntry().getDestination(); 2423 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2424 2425 // Start drag mode. 2426 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2427 2428 // Remove the current chip, so drag-and-drop will result in a move. 2429 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2430 removeChip(currentChip); 2431 } 2432 2433 /** 2434 * Handles drag event. 2435 */ 2436 @Override 2437 public boolean onDragEvent(DragEvent event) { 2438 switch (event.getAction()) { 2439 case DragEvent.ACTION_DRAG_STARTED: 2440 // Only handle plain text drag and drop. 2441 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2442 case DragEvent.ACTION_DRAG_ENTERED: 2443 requestFocus(); 2444 return true; 2445 case DragEvent.ACTION_DROP: 2446 handlePasteClip(event.getClipData()); 2447 return true; 2448 } 2449 return false; 2450 } 2451 2452 /** 2453 * Drag shadow for a {@link RecipientChip}. 2454 */ 2455 private final class RecipientChipShadow extends DragShadowBuilder { 2456 private final RecipientChip mChip; 2457 2458 public RecipientChipShadow(RecipientChip chip) { 2459 mChip = chip; 2460 } 2461 2462 @Override 2463 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2464 Rect rect = mChip.getDrawable().getBounds(); 2465 shadowSize.set(rect.width(), rect.height()); 2466 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2467 } 2468 2469 @Override 2470 public void onDrawShadow(Canvas canvas) { 2471 mChip.getDrawable().draw(canvas); 2472 } 2473 } 2474 2475 private void showCopyDialog(final String address) { 2476 mCopyAddress = address; 2477 mCopyDialog.setTitle(address); 2478 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2479 mCopyDialog.setCancelable(true); 2480 mCopyDialog.setCanceledOnTouchOutside(true); 2481 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2482 button.setOnClickListener(this); 2483 int btnTitleId; 2484 if (isPhoneQuery()) { 2485 btnTitleId = R.string.copy_number; 2486 } else { 2487 btnTitleId = R.string.copy_email; 2488 } 2489 String buttonTitle = getContext().getResources().getString(btnTitleId); 2490 button.setText(buttonTitle); 2491 mCopyDialog.setOnDismissListener(this); 2492 mCopyDialog.show(); 2493 } 2494 2495 @Override 2496 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2497 // Do nothing. 2498 return false; 2499 } 2500 2501 @Override 2502 public void onShowPress(MotionEvent e) { 2503 // Do nothing. 2504 } 2505 2506 @Override 2507 public boolean onSingleTapUp(MotionEvent e) { 2508 // Do nothing. 2509 return false; 2510 } 2511 2512 @Override 2513 public void onDismiss(DialogInterface dialog) { 2514 mCopyAddress = null; 2515 } 2516 2517 @Override 2518 public void onClick(View v) { 2519 // Copy this to the clipboard. 2520 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2521 Context.CLIPBOARD_SERVICE); 2522 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2523 mCopyDialog.dismiss(); 2524 } 2525 2526 protected boolean isPhoneQuery() { 2527 return ((BaseRecipientAdapter)getAdapter()).getQueryType() == 2528 BaseRecipientAdapter.QUERY_TYPE_PHONE; 2529 } 2530} 2531