RecipientEditTextView.java revision 06208d075bdc260410847806300fd5fcd8c43b49
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; 91import java.util.regex.Pattern; 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 TextView.OnEditorActionListener { 101 102 private static final char COMMIT_CHAR_COMMA = ','; 103 104 private static final char NAME_WRAPPER_CHAR = '"'; 105 106 private static final char COMMIT_CHAR_SEMICOLON = ';'; 107 108 private static final char COMMIT_CHAR_SPACE = ' '; 109 110 private static final String TAG = "RecipientEditTextView"; 111 112 private static int DISMISS = "dismiss".hashCode(); 113 114 private static final long DISMISS_DELAY = 300; 115 116 // TODO: get correct number/ algorithm from with UX. 117 // Visible for testing. 118 /*package*/ static final int CHIP_LIMIT = 2; 119 120 private static final int MAX_CHIPS_PARSED = 50; 121 122 private static int sSelectedTextColor = -1; 123 124 // Resources for displaying chips. 125 private Drawable mChipBackground = null; 126 127 private Drawable mChipDelete = null; 128 129 private Drawable mInvalidChipBackground; 130 131 private Drawable mChipBackgroundPressed; 132 133 private float mChipHeight; 134 135 private float mChipFontSize; 136 137 private float mLineSpacingExtra; 138 139 private int mChipPadding; 140 141 private Tokenizer mTokenizer; 142 143 private Validator mValidator; 144 145 private RecipientChip mSelectedChip; 146 147 private int mAlternatesLayout; 148 149 private Bitmap mDefaultContactPhoto; 150 151 private ImageSpan mMoreChip; 152 153 private TextView mMoreItem; 154 155 private final ArrayList<String> mPendingChips = new ArrayList<String>(); 156 157 private Handler mHandler; 158 159 private int mPendingChipsCount = 0; 160 161 private boolean mNoChips = false; 162 163 private ListPopupWindow mAlternatesPopup; 164 165 private ListPopupWindow mAddressPopup; 166 167 private ArrayList<RecipientChip> mTemporaryRecipients; 168 169 private ArrayList<RecipientChip> mRemovedSpans; 170 171 private boolean mShouldShrink = true; 172 173 // Chip copy fields. 174 private GestureDetector mGestureDetector; 175 176 private Dialog mCopyDialog; 177 178 private String mCopyAddress; 179 180 /** 181 * Used with {@link #mAlternatesPopup}. Handles clicks to alternate addresses for a 182 * selected chip. 183 */ 184 private OnItemClickListener mAlternatesListener; 185 186 private int mCheckedItem; 187 188 private TextWatcher mTextWatcher; 189 190 // Obtain the enclosing scroll view, if it exists, so that the view can be 191 // scrolled to show the last line of chips content. 192 private ScrollView mScrollView; 193 194 private boolean mTriedGettingScrollView; 195 196 private boolean mDragEnabled = false; 197 198 // This pattern comes from android.util.Patterns. It has been tweaked to handle a "1" before 199 // parens, so numbers such as "1 (425) 222-2342" match. 200 private static final Pattern PHONE_PATTERN 201 = Pattern.compile( // sdd = space, dot, or dash 202 "(\\+[0-9]+[\\- \\.]*)?" // +<digits><sdd>* 203 + "(1?[ ]*\\([0-9]+\\)[\\- \\.]*)?" // 1(<digits>)<sdd>* 204 + "([0-9][0-9\\- \\.][0-9\\- \\.]+[0-9])"); // <digit><digit|sdd>+<digit> 205 206 207 private final Runnable mAddTextWatcher = new Runnable() { 208 @Override 209 public void run() { 210 if (mTextWatcher == null) { 211 mTextWatcher = new RecipientTextWatcher(); 212 addTextChangedListener(mTextWatcher); 213 } 214 } 215 }; 216 217 private IndividualReplacementTask mIndividualReplacements; 218 219 private Runnable mHandlePendingChips = new Runnable() { 220 221 @Override 222 public void run() { 223 handlePendingChips(); 224 } 225 226 }; 227 228 private Runnable mDelayedShrink = new Runnable() { 229 230 @Override 231 public void run() { 232 shrink(); 233 } 234 235 }; 236 237 public RecipientEditTextView(Context context, AttributeSet attrs) { 238 super(context, attrs); 239 setChipDimensions(context, attrs); 240 if (sSelectedTextColor == -1) { 241 sSelectedTextColor = context.getResources().getColor(android.R.color.white); 242 } 243 mAlternatesPopup = new ListPopupWindow(context); 244 mAddressPopup = new ListPopupWindow(context); 245 mCopyDialog = new Dialog(context); 246 mAlternatesListener = new OnItemClickListener() { 247 @Override 248 public void onItemClick(AdapterView<?> adapterView,View view, int position, 249 long rowId) { 250 mAlternatesPopup.setOnItemClickListener(null); 251 replaceChip(mSelectedChip, ((RecipientAlternatesAdapter) adapterView.getAdapter()) 252 .getRecipientEntry(position)); 253 Message delayed = Message.obtain(mHandler, DISMISS); 254 delayed.obj = mAlternatesPopup; 255 mHandler.sendMessageDelayed(delayed, DISMISS_DELAY); 256 clearComposingText(); 257 } 258 }; 259 setInputType(getInputType() | InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS); 260 setOnItemClickListener(this); 261 setCustomSelectionActionModeCallback(this); 262 mHandler = new Handler() { 263 @Override 264 public void handleMessage(Message msg) { 265 if (msg.what == DISMISS) { 266 ((ListPopupWindow) msg.obj).dismiss(); 267 return; 268 } 269 super.handleMessage(msg); 270 } 271 }; 272 mTextWatcher = new RecipientTextWatcher(); 273 addTextChangedListener(mTextWatcher); 274 mGestureDetector = new GestureDetector(context, this); 275 setOnEditorActionListener(this); 276 } 277 278 @Override 279 public boolean onEditorAction(TextView view, int action, KeyEvent keyEvent) { 280 if (action == EditorInfo.IME_ACTION_DONE) { 281 if (commitDefault()) { 282 return true; 283 } 284 if (mSelectedChip != null) { 285 clearSelectedChip(); 286 return true; 287 } else if (focusNext()) { 288 return true; 289 } 290 } 291 return false; 292 } 293 294 @Override 295 public InputConnection onCreateInputConnection(EditorInfo outAttrs) { 296 InputConnection connection = super.onCreateInputConnection(outAttrs); 297 int imeActions = outAttrs.imeOptions&EditorInfo.IME_MASK_ACTION; 298 if ((imeActions&EditorInfo.IME_ACTION_DONE) != 0) { 299 // clear the existing action 300 outAttrs.imeOptions ^= imeActions; 301 // set the DONE action 302 outAttrs.imeOptions |= EditorInfo.IME_ACTION_DONE; 303 } 304 if ((outAttrs.imeOptions&EditorInfo.IME_FLAG_NO_ENTER_ACTION) != 0) { 305 outAttrs.imeOptions &= ~EditorInfo.IME_FLAG_NO_ENTER_ACTION; 306 } 307 outAttrs.actionLabel = getContext().getString(R.string.done); 308 return connection; 309 } 310 311 /*package*/ RecipientChip getLastChip() { 312 RecipientChip last = null; 313 RecipientChip[] chips = getSortedRecipients(); 314 if (chips != null && chips.length > 0) { 315 last = chips[chips.length - 1]; 316 } 317 return last; 318 } 319 320 @Override 321 public void onSelectionChanged(int start, int end) { 322 // When selection changes, see if it is inside the chips area. 323 // If so, move the cursor back after the chips again. 324 RecipientChip last = getLastChip(); 325 if (last != null && start < getSpannable().getSpanEnd(last)) { 326 // Grab the last chip and set the cursor to after it. 327 setSelection(Math.min(getSpannable().getSpanEnd(last) + 1, getText().length())); 328 } 329 super.onSelectionChanged(start, end); 330 } 331 332 @Override 333 public void onRestoreInstanceState(Parcelable state) { 334 if (!TextUtils.isEmpty(getText())) { 335 super.onRestoreInstanceState(null); 336 } else { 337 super.onRestoreInstanceState(state); 338 } 339 } 340 341 @Override 342 public Parcelable onSaveInstanceState() { 343 // If the user changes orientation while they are editing, just roll back the selection. 344 clearSelectedChip(); 345 return super.onSaveInstanceState(); 346 } 347 348 /** 349 * Convenience method: Append the specified text slice to the TextView's 350 * display buffer, upgrading it to BufferType.EDITABLE if it was 351 * not already editable. Commas are excluded as they are added automatically 352 * by the view. 353 */ 354 @Override 355 public void append(CharSequence text, int start, int end) { 356 // We don't care about watching text changes while appending. 357 if (mTextWatcher != null) { 358 removeTextChangedListener(mTextWatcher); 359 } 360 super.append(text, start, end); 361 if (!TextUtils.isEmpty(text) && TextUtils.getTrimmedLength(text) > 0) { 362 String displayString = text.toString(); 363 int separatorPos = displayString.lastIndexOf(COMMIT_CHAR_COMMA); 364 // Verify that the separator pos is not within ""; if it is, look 365 // past the closing quote. If there is no comma past ", this string 366 // will resolve to an error chip. 367 if (separatorPos > -1) { 368 String parseDisplayString = displayString.substring(separatorPos); 369 int endQuotedTextPos = parseDisplayString.indexOf(NAME_WRAPPER_CHAR); 370 if (endQuotedTextPos > separatorPos) { 371 separatorPos = parseDisplayString.lastIndexOf(COMMIT_CHAR_COMMA, 372 endQuotedTextPos); 373 } 374 } 375 if (!TextUtils.isEmpty(displayString) 376 && TextUtils.getTrimmedLength(displayString) > 0) { 377 mPendingChipsCount++; 378 mPendingChips.add(text.toString()); 379 } 380 } 381 // Put a message on the queue to make sure we ALWAYS handle pending 382 // chips. 383 if (mPendingChipsCount > 0) { 384 postHandlePendingChips(); 385 } 386 mHandler.post(mAddTextWatcher); 387 } 388 389 @Override 390 public void onFocusChanged(boolean hasFocus, int direction, Rect previous) { 391 super.onFocusChanged(hasFocus, direction, previous); 392 if (!hasFocus) { 393 shrink(); 394 } else { 395 expand(); 396 } 397 } 398 399 @Override 400 public void performValidation() { 401 // Do nothing. Chips handles its own validation. 402 } 403 404 private void shrink() { 405 if (mTokenizer == null) { 406 return; 407 } 408 if (mSelectedChip != null 409 && mSelectedChip.getEntry().getContactId() != RecipientEntry.INVALID_CONTACT) { 410 clearSelectedChip(); 411 } else { 412 if (getWidth() <= 0) { 413 // We don't have the width yet which means the view hasn't been drawn yet 414 // and there is no reason to attempt to commit chips yet. 415 // This focus lost must be the result of an orientation change 416 // or an initial rendering. 417 // Re-post the shrink for later. 418 mHandler.removeCallbacks(mDelayedShrink); 419 mHandler.post(mDelayedShrink); 420 return; 421 } 422 // Reset any pending chips as they would have been handled 423 // when the field lost focus. 424 if (mPendingChipsCount > 0) { 425 postHandlePendingChips(); 426 } else { 427 Editable editable = getText(); 428 int end = getSelectionEnd(); 429 int start = mTokenizer.findTokenStart(editable, end); 430 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 431 if ((chips == null || chips.length == 0)) { 432 Editable text = getText(); 433 int whatEnd = mTokenizer.findTokenEnd(text, start); 434 // This token was already tokenized, so skip past the ending token. 435 if (whatEnd < text.length() && text.charAt(whatEnd) == ',') { 436 whatEnd++; 437 } 438 // In the middle of chip; treat this as an edit 439 // and commit the whole token. 440 int selEnd = getSelectionEnd(); 441 if (whatEnd != selEnd) { 442 handleEdit(start, whatEnd); 443 } else { 444 commitChip(start, end, editable); 445 } 446 } 447 } 448 mHandler.post(mAddTextWatcher); 449 } 450 createMoreChip(); 451 } 452 453 private void expand() { 454 if (mShouldShrink) { 455 setMaxLines(Integer.MAX_VALUE); 456 } 457 removeMoreChip(); 458 setCursorVisible(true); 459 Editable text = getText(); 460 setSelection(text != null && text.length() > 0 ? text.length() : 0); 461 // If there are any temporary chips, try replacing them now that the user 462 // has expanded the field. 463 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0) { 464 new RecipientReplacementTask().execute(); 465 mTemporaryRecipients = null; 466 } 467 } 468 469 private CharSequence ellipsizeText(CharSequence text, TextPaint paint, float maxWidth) { 470 paint.setTextSize(mChipFontSize); 471 if (maxWidth <= 0 && Log.isLoggable(TAG, Log.DEBUG)) { 472 Log.d(TAG, "Max width is negative: " + maxWidth); 473 } 474 return TextUtils.ellipsize(text, paint, maxWidth, 475 TextUtils.TruncateAt.END); 476 } 477 478 private Bitmap createSelectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 479 // Ellipsize the text so that it takes AT MOST the entire width of the 480 // autocomplete text entry area. Make sure to leave space for padding 481 // on the sides. 482 int height = (int) mChipHeight; 483 int deleteWidth = height; 484 float[] widths = new float[1]; 485 paint.getTextWidths(" ", widths); 486 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 487 calculateAvailableWidth(true) - deleteWidth - widths[0]); 488 489 // Make sure there is a minimum chip width so the user can ALWAYS 490 // tap a chip without difficulty. 491 int width = Math.max(deleteWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 492 ellipsizedText.length())) 493 + (mChipPadding * 2) + deleteWidth); 494 495 // Create the background of the chip. 496 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 497 Canvas canvas = new Canvas(tmpBitmap); 498 if (mChipBackgroundPressed != null) { 499 mChipBackgroundPressed.setBounds(0, 0, width, height); 500 mChipBackgroundPressed.draw(canvas); 501 paint.setColor(sSelectedTextColor); 502 // Vertically center the text in the chip. 503 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 504 getTextYOffset((String) ellipsizedText, paint, height), paint); 505 // Make the delete a square. 506 Rect backgroundPadding = new Rect(); 507 mChipBackgroundPressed.getPadding(backgroundPadding); 508 mChipDelete.setBounds(width - deleteWidth + backgroundPadding.left, 509 0 + backgroundPadding.top, 510 width - backgroundPadding.right, 511 height - backgroundPadding.bottom); 512 mChipDelete.draw(canvas); 513 } else { 514 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 515 } 516 return tmpBitmap; 517 } 518 519 520 private Bitmap createUnselectedChip(RecipientEntry contact, TextPaint paint, Layout layout) { 521 // Ellipsize the text so that it takes AT MOST the entire width of the 522 // autocomplete text entry area. Make sure to leave space for padding 523 // on the sides. 524 int height = (int) mChipHeight; 525 int iconWidth = height; 526 float[] widths = new float[1]; 527 paint.getTextWidths(" ", widths); 528 CharSequence ellipsizedText = ellipsizeText(createChipDisplayText(contact), paint, 529 calculateAvailableWidth(false) - iconWidth - widths[0]); 530 // Make sure there is a minimum chip width so the user can ALWAYS 531 // tap a chip without difficulty. 532 int width = Math.max(iconWidth * 2, (int) Math.floor(paint.measureText(ellipsizedText, 0, 533 ellipsizedText.length())) 534 + (mChipPadding * 2) + iconWidth); 535 536 // Create the background of the chip. 537 Bitmap tmpBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 538 Canvas canvas = new Canvas(tmpBitmap); 539 Drawable background = getChipBackground(contact); 540 if (background != null) { 541 background.setBounds(0, 0, width, height); 542 background.draw(canvas); 543 544 // Don't draw photos for recipients that have been typed in. 545 if (contact.getContactId() != RecipientEntry.INVALID_CONTACT) { 546 byte[] photoBytes = contact.getPhotoBytes(); 547 // There may not be a photo yet if anything but the first contact address 548 // was selected. 549 if (photoBytes == null && contact.getPhotoThumbnailUri() != null) { 550 // TODO: cache this in the recipient entry? 551 ((BaseRecipientAdapter) getAdapter()).fetchPhoto(contact, contact 552 .getPhotoThumbnailUri()); 553 photoBytes = contact.getPhotoBytes(); 554 } 555 556 Bitmap photo; 557 if (photoBytes != null) { 558 photo = BitmapFactory.decodeByteArray(photoBytes, 0, photoBytes.length); 559 } else { 560 // TODO: can the scaled down default photo be cached? 561 photo = mDefaultContactPhoto; 562 } 563 // Draw the photo on the left side. 564 if (photo != null) { 565 RectF src = new RectF(0, 0, photo.getWidth(), photo.getHeight()); 566 Rect backgroundPadding = new Rect(); 567 mChipBackground.getPadding(backgroundPadding); 568 RectF dst = new RectF(width - iconWidth + backgroundPadding.left, 569 0 + backgroundPadding.top, 570 width - backgroundPadding.right, 571 height - backgroundPadding.bottom); 572 Matrix matrix = new Matrix(); 573 matrix.setRectToRect(src, dst, Matrix.ScaleToFit.FILL); 574 canvas.drawBitmap(photo, matrix, paint); 575 } 576 } else { 577 // Don't leave any space for the icon. It isn't being drawn. 578 iconWidth = 0; 579 } 580 paint.setColor(getContext().getResources().getColor(android.R.color.black)); 581 // Vertically center the text in the chip. 582 canvas.drawText(ellipsizedText, 0, ellipsizedText.length(), mChipPadding, 583 getTextYOffset((String)ellipsizedText, paint, height), paint); 584 } else { 585 Log.w(TAG, "Unable to draw a background for the chips as it was never set"); 586 } 587 return tmpBitmap; 588 } 589 590 /** 591 * Get the background drawable for a RecipientChip. 592 */ 593 // Visible for testing. 594 /*package*/ Drawable getChipBackground(RecipientEntry contact) { 595 return (mValidator != null && mValidator.isValid(contact.getDestination())) ? 596 mChipBackground : mInvalidChipBackground; 597 } 598 599 private float getTextYOffset(String text, TextPaint paint, int height) { 600 Rect bounds = new Rect(); 601 paint.getTextBounds(text, 0, text.length(), bounds); 602 int textHeight = bounds.bottom - bounds.top ; 603 return height - ((height - textHeight) / 2) - (int)paint.descent(); 604 } 605 606 private RecipientChip constructChipSpan(RecipientEntry contact, int offset, boolean pressed) 607 throws NullPointerException { 608 if (mChipBackground == null) { 609 throw new NullPointerException( 610 "Unable to render any chips as setChipDimensions was not called."); 611 } 612 Layout layout = getLayout(); 613 614 TextPaint paint = getPaint(); 615 float defaultSize = paint.getTextSize(); 616 int defaultColor = paint.getColor(); 617 618 Bitmap tmpBitmap; 619 if (pressed) { 620 tmpBitmap = createSelectedChip(contact, paint, layout); 621 622 } else { 623 tmpBitmap = createUnselectedChip(contact, paint, layout); 624 } 625 626 // Pass the full text, un-ellipsized, to the chip. 627 Drawable result = new BitmapDrawable(getResources(), tmpBitmap); 628 result.setBounds(0, 0, tmpBitmap.getWidth(), tmpBitmap.getHeight()); 629 RecipientChip recipientChip = new RecipientChip(result, contact, offset); 630 // Return text to the original size. 631 paint.setTextSize(defaultSize); 632 paint.setColor(defaultColor); 633 return recipientChip; 634 } 635 636 /** 637 * Calculate the bottom of the line the chip will be located on using: 638 * 1) which line the chip appears on 639 * 2) the height of a chip 640 * 3) padding built into the edit text view 641 */ 642 private int calculateOffsetFromBottom(int line) { 643 // Line offsets start at zero. 644 int actualLine = getLineCount() - (line + 1); 645 return -((actualLine * ((int) mChipHeight) + getPaddingBottom()) + getPaddingTop()) 646 + getDropDownVerticalOffset(); 647 } 648 649 /** 650 * Get the max amount of space a chip can take up. The formula takes into 651 * account the width of the EditTextView, any view padding, and padding 652 * that will be added to the chip. 653 */ 654 private float calculateAvailableWidth(boolean pressed) { 655 return getWidth() - getPaddingLeft() - getPaddingRight() - (mChipPadding * 2); 656 } 657 658 659 private void setChipDimensions(Context context, AttributeSet attrs) { 660 TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecipientEditTextView, 0, 661 0); 662 Resources r = getContext().getResources(); 663 mChipBackground = a.getDrawable(R.styleable.RecipientEditTextView_chipBackground); 664 if (mChipBackground == null) { 665 mChipBackground = r.getDrawable(R.drawable.chip_background); 666 } 667 mChipBackgroundPressed = a 668 .getDrawable(R.styleable.RecipientEditTextView_chipBackgroundPressed); 669 if (mChipBackgroundPressed == null) { 670 mChipBackgroundPressed = r.getDrawable(R.drawable.chip_background_selected); 671 } 672 mChipDelete = a.getDrawable(R.styleable.RecipientEditTextView_chipDelete); 673 if (mChipDelete == null) { 674 mChipDelete = r.getDrawable(R.drawable.chip_delete); 675 } 676 mChipPadding = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipPadding, -1); 677 if (mChipPadding == -1) { 678 mChipPadding = (int) r.getDimension(R.dimen.chip_padding); 679 } 680 mAlternatesLayout = a.getResourceId(R.styleable.RecipientEditTextView_chipAlternatesLayout, 681 -1); 682 if (mAlternatesLayout == -1) { 683 mAlternatesLayout = R.layout.chips_alternate_item; 684 } 685 686 mDefaultContactPhoto = BitmapFactory.decodeResource(r, R.drawable.ic_contact_picture); 687 688 mMoreItem = (TextView) LayoutInflater.from(getContext()).inflate(R.layout.more_item, null); 689 690 mChipHeight = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipHeight, -1); 691 if (mChipHeight == -1) { 692 mChipHeight = r.getDimension(R.dimen.chip_height); 693 } 694 mChipFontSize = a.getDimensionPixelSize(R.styleable.RecipientEditTextView_chipFontSize, -1); 695 if (mChipFontSize == -1) { 696 mChipFontSize = r.getDimension(R.dimen.chip_text_size); 697 } 698 mInvalidChipBackground = a 699 .getDrawable(R.styleable.RecipientEditTextView_invalidChipBackground); 700 if (mInvalidChipBackground == null) { 701 mInvalidChipBackground = r.getDrawable(R.drawable.chip_background_invalid); 702 } 703 mLineSpacingExtra = context.getResources().getDimension(R.dimen.line_spacing_extra); 704 a.recycle(); 705 } 706 707 // Visible for testing. 708 /* package */ void setMoreItem(TextView moreItem) { 709 mMoreItem = moreItem; 710 } 711 712 713 // Visible for testing. 714 /* package */ void setChipBackground(Drawable chipBackground) { 715 mChipBackground = chipBackground; 716 } 717 718 // Visible for testing. 719 /* package */ void setChipHeight(int height) { 720 mChipHeight = height; 721 } 722 723 /** 724 * Set whether to shrink the recipients field such that at most 725 * one line of recipients chips are shown when the field loses 726 * focus. By default, the number of displayed recipients will be 727 * limited and a "more" chip will be shown when focus is lost. 728 * @param shrink 729 */ 730 public void setOnFocusListShrinkRecipients(boolean shrink) { 731 mShouldShrink = shrink; 732 } 733 734 @Override 735 public void onSizeChanged(int width, int height, int oldw, int oldh) { 736 super.onSizeChanged(width, height, oldw, oldh); 737 if (width != 0 && height != 0) { 738 if (mPendingChipsCount > 0) { 739 postHandlePendingChips(); 740 } else { 741 checkChipWidths(); 742 } 743 } 744 // Try to find the scroll view parent, if it exists. 745 if (mScrollView == null && !mTriedGettingScrollView) { 746 ViewParent parent = getParent(); 747 while (parent != null && !(parent instanceof ScrollView)) { 748 parent = parent.getParent(); 749 } 750 if (parent != null) { 751 mScrollView = (ScrollView) parent; 752 } 753 mTriedGettingScrollView = true; 754 } 755 } 756 757 private void postHandlePendingChips() { 758 mHandler.removeCallbacks(mHandlePendingChips); 759 mHandler.post(mHandlePendingChips); 760 } 761 762 private void checkChipWidths() { 763 // Check the widths of the associated chips. 764 RecipientChip[] chips = getSortedRecipients(); 765 if (chips != null) { 766 Rect bounds; 767 for (RecipientChip chip : chips) { 768 bounds = chip.getDrawable().getBounds(); 769 if (getWidth() > 0 && bounds.right - bounds.left > getWidth()) { 770 // Need to redraw that chip. 771 replaceChip(chip, chip.getEntry()); 772 } 773 } 774 } 775 } 776 777 // Visible for testing. 778 /*package*/ void handlePendingChips() { 779 if (getViewWidth() <= 0) { 780 // The widget has not been sized yet. 781 // This will be called as a result of onSizeChanged 782 // at a later point. 783 return; 784 } 785 if (mPendingChipsCount <= 0) { 786 return; 787 } 788 789 synchronized (mPendingChips) { 790 Editable editable = getText(); 791 // Tokenize! 792 if (mPendingChipsCount <= MAX_CHIPS_PARSED) { 793 for (int i = 0; i < mPendingChips.size(); i++) { 794 String current = mPendingChips.get(i); 795 int tokenStart = editable.toString().indexOf(current); 796 int tokenEnd = tokenStart + current.length(); 797 if (tokenStart >= 0) { 798 // When we have a valid token, include it with the token 799 // to the left. 800 if (tokenEnd < editable.length() - 2 801 && editable.charAt(tokenEnd) == COMMIT_CHAR_COMMA) { 802 tokenEnd++; 803 } 804 createReplacementChip(tokenStart, tokenEnd, editable); 805 } 806 mPendingChipsCount--; 807 } 808 sanitizeEnd(); 809 } else { 810 mNoChips = true; 811 } 812 813 if (mTemporaryRecipients != null && mTemporaryRecipients.size() > 0 814 && mTemporaryRecipients.size() <= RecipientAlternatesAdapter.MAX_LOOKUPS) { 815 if (hasFocus() || mTemporaryRecipients.size() < CHIP_LIMIT) { 816 new RecipientReplacementTask().execute(); 817 mTemporaryRecipients = null; 818 } else { 819 // Create the "more" chip 820 mIndividualReplacements = new IndividualReplacementTask(); 821 mIndividualReplacements.execute(new ArrayList<RecipientChip>( 822 mTemporaryRecipients.subList(0, CHIP_LIMIT))); 823 824 createMoreChip(); 825 } 826 } else { 827 // There are too many recipients to look up, so just fall back 828 // to showing addresses for all of them. 829 mTemporaryRecipients = null; 830 createMoreChip(); 831 } 832 mPendingChipsCount = 0; 833 mPendingChips.clear(); 834 } 835 } 836 837 // Visible for testing. 838 /*package*/ int getViewWidth() { 839 return getWidth(); 840 } 841 842 /** 843 * Remove any characters after the last valid chip. 844 */ 845 // Visible for testing. 846 /*package*/ void sanitizeEnd() { 847 // Don't sanitize while we are waiting for pending chips to complete. 848 if (mPendingChipsCount > 0) { 849 return; 850 } 851 // Find the last chip; eliminate any commit characters after it. 852 RecipientChip[] chips = getSortedRecipients(); 853 if (chips != null && chips.length > 0) { 854 int end; 855 ImageSpan lastSpan; 856 mMoreChip = getMoreChip(); 857 if (mMoreChip != null) { 858 lastSpan = mMoreChip; 859 } else { 860 lastSpan = getLastChip(); 861 } 862 end = getSpannable().getSpanEnd(lastSpan); 863 Editable editable = getText(); 864 int length = editable.length(); 865 if (length > end) { 866 // See what characters occur after that and eliminate them. 867 if (Log.isLoggable(TAG, Log.DEBUG)) { 868 Log.d(TAG, "There were extra characters after the last tokenizable entry." 869 + editable); 870 } 871 editable.delete(end + 1, length); 872 } 873 } 874 } 875 876 /** 877 * Create a chip that represents just the email address of a recipient. At some later 878 * point, this chip will be attached to a real contact entry, if one exists. 879 */ 880 private void createReplacementChip(int tokenStart, int tokenEnd, Editable editable) { 881 if (alreadyHasChip(tokenStart, tokenEnd)) { 882 // There is already a chip present at this location. 883 // Don't recreate it. 884 return; 885 } 886 String token = editable.toString().substring(tokenStart, tokenEnd); 887 int commitCharIndex = token.trim().lastIndexOf(COMMIT_CHAR_COMMA); 888 if (commitCharIndex == token.length() - 1) { 889 token = token.substring(0, token.length() - 1); 890 } 891 RecipientEntry entry = createTokenizedEntry(token); 892 if (entry != null) { 893 String destText = createAddressText(entry); 894 // Always leave a blank space at the end of a chip. 895 int textLength = destText.length() - 1; 896 SpannableString chipText = new SpannableString(destText); 897 int end = getSelectionEnd(); 898 int start = mTokenizer != null ? mTokenizer.findTokenStart(getText(), end) : 0; 899 RecipientChip chip = null; 900 try { 901 if (!mNoChips) { 902 chip = constructChipSpan(entry, start, false); 903 chipText.setSpan(chip, 0, textLength, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 904 } 905 } catch (NullPointerException e) { 906 Log.e(TAG, e.getMessage(), e); 907 } 908 editable.replace(tokenStart, tokenEnd, chipText); 909 // Add this chip to the list of entries "to replace" 910 if (chip != null) { 911 if (mTemporaryRecipients == null) { 912 mTemporaryRecipients = new ArrayList<RecipientChip>(); 913 } 914 chip.setOriginalText(chipText.toString()); 915 mTemporaryRecipients.add(chip); 916 } 917 } 918 } 919 920 private static boolean isPhoneNumber(String number) { 921 // TODO: replace this function with libphonenumber's isPossibleNumber (see 922 // PhoneNumberUtil). One complication is that it requires the sender's region which 923 // comes from the CurrentCountryIso. For now, let's just do this simple match. 924 if (TextUtils.isEmpty(number)) { 925 return false; 926 } 927 928 Matcher match = PHONE_PATTERN.matcher(number); 929 return match.matches(); 930 } 931 932 private RecipientEntry createTokenizedEntry(String token) { 933 if (TextUtils.isEmpty(token)) { 934 return null; 935 } 936 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(token); 937 String display = null; 938 if (isPhoneQuery()) { 939 // The number often arrives as "(800) 123-1231, ". 940 // Trim the space and trailing comma if necessary. 941 token = token.trim(); 942 char charAt = token.charAt(token.length() - 1); 943 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 944 token = token.substring(0, token.length() - 1); 945 } 946 947 // look for something that looks like a phone number. At this point, the original 948 // token might have looked like this: "Fred Flinstone <(800) 425-2323>" 949 if (!isPhoneNumber(token) && isValid(token) && tokens != null && tokens.length > 0) { 950 for (int i = 0; i < tokens.length; i++) { 951 // If we can get a phone number from tokenizing, then generate an entry from 952 // this. 953 display = tokens[i].getName(); 954 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 955 return RecipientEntry.constructGeneratedEntry(display, display); 956 } else { 957 display = tokens[i].getAddress(); 958 if (!TextUtils.isEmpty(display) && isPhoneNumber(display)) { 959 return RecipientEntry.constructFakeEntry(display); 960 } 961 } 962 } 963 } 964 // If the original token is a phone number to start with or as a last resort, use the 965 // original token. 966 return RecipientEntry.constructFakeEntry(token); 967 } 968 if (isValid(token) && tokens != null && tokens.length > 0) { 969 // If we can get a name from tokenizing, then generate an entry from 970 // this. 971 display = tokens[0].getName(); 972 if (!TextUtils.isEmpty(display)) { 973 return RecipientEntry.constructGeneratedEntry(display, token); 974 } else { 975 display = tokens[0].getAddress(); 976 if (!TextUtils.isEmpty(display)) { 977 return RecipientEntry.constructFakeEntry(display); 978 } 979 } 980 } 981 // Unable to validate the token or to create a valid token from it. 982 // Just create a chip the user can edit. 983 String validatedToken = null; 984 if (mValidator != null && !mValidator.isValid(token)) { 985 // Try fixing up the entry using the validator. 986 validatedToken = mValidator.fixText(token).toString(); 987 if (!TextUtils.isEmpty(validatedToken)) { 988 if (validatedToken.contains(token)) { 989 // protect against the case of a validator with a null domain, 990 // which doesn't add a domain to the token 991 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(validatedToken); 992 if (tokenized.length > 0) { 993 validatedToken = tokenized[0].getAddress(); 994 } 995 } else { 996 // We ran into a case where the token was invalid and removed 997 // by the validator. In this case, just use the original token 998 // and let the user sort out the error chip. 999 validatedToken = null; 1000 } 1001 } 1002 } 1003 // Otherwise, fallback to just creating an editable email address chip. 1004 return RecipientEntry 1005 .constructFakeEntry(!TextUtils.isEmpty(validatedToken) ? validatedToken : token); 1006 } 1007 1008 private boolean isValid(String text) { 1009 return mValidator == null ? true : mValidator.isValid(text); 1010 } 1011 1012 private String tokenizeAddress(String destination) { 1013 Rfc822Token[] tokens = Rfc822Tokenizer.tokenize(destination); 1014 if (tokens != null && tokens.length > 0) { 1015 return tokens[0].getAddress(); 1016 } 1017 return destination; 1018 } 1019 1020 @Override 1021 public void setTokenizer(Tokenizer tokenizer) { 1022 mTokenizer = tokenizer; 1023 super.setTokenizer(mTokenizer); 1024 } 1025 1026 @Override 1027 public void setValidator(Validator validator) { 1028 mValidator = validator; 1029 super.setValidator(validator); 1030 } 1031 1032 /** 1033 * We cannot use the default mechanism for replaceText. Instead, 1034 * we override onItemClickListener so we can get all the associated 1035 * contact information including display text, address, and id. 1036 */ 1037 @Override 1038 protected void replaceText(CharSequence text) { 1039 return; 1040 } 1041 1042 /** 1043 * Dismiss any selected chips when the back key is pressed. 1044 */ 1045 @Override 1046 public boolean onKeyPreIme(int keyCode, KeyEvent event) { 1047 if (keyCode == KeyEvent.KEYCODE_BACK && mSelectedChip != null) { 1048 clearSelectedChip(); 1049 return true; 1050 } 1051 return super.onKeyPreIme(keyCode, event); 1052 } 1053 1054 /** 1055 * Monitor key presses in this view to see if the user types 1056 * any commit keys, which consist of ENTER, TAB, or DPAD_CENTER. 1057 * If the user has entered text that has contact matches and types 1058 * a commit key, create a chip from the topmost matching contact. 1059 * If the user has entered text that has no contact matches and types 1060 * a commit key, then create a chip from the text they have entered. 1061 */ 1062 @Override 1063 public boolean onKeyUp(int keyCode, KeyEvent event) { 1064 switch (keyCode) { 1065 case KeyEvent.KEYCODE_ENTER: 1066 case KeyEvent.KEYCODE_DPAD_CENTER: 1067 if (event.hasNoModifiers()) { 1068 if (commitDefault()) { 1069 return true; 1070 } 1071 if (mSelectedChip != null) { 1072 clearSelectedChip(); 1073 return true; 1074 } else if (focusNext()) { 1075 return true; 1076 } 1077 } 1078 break; 1079 case KeyEvent.KEYCODE_TAB: 1080 if (event.hasNoModifiers()) { 1081 if (mSelectedChip != null) { 1082 clearSelectedChip(); 1083 } else { 1084 commitDefault(); 1085 } 1086 if (focusNext()) { 1087 return true; 1088 } 1089 } 1090 break; 1091 } 1092 return super.onKeyUp(keyCode, event); 1093 } 1094 1095 private boolean focusNext() { 1096 View next = focusSearch(View.FOCUS_DOWN); 1097 if (next != null) { 1098 next.requestFocus(); 1099 return true; 1100 } 1101 return false; 1102 } 1103 1104 /** 1105 * Create a chip from the default selection. If the popup is showing, the 1106 * default is the first item in the popup suggestions list. Otherwise, it is 1107 * whatever the user had typed in. End represents where the the tokenizer 1108 * should search for a token to turn into a chip. 1109 * @return If a chip was created from a real contact. 1110 */ 1111 private boolean commitDefault() { 1112 // If there is no tokenizer, don't try to commit. 1113 if (mTokenizer == null) { 1114 return false; 1115 } 1116 Editable editable = getText(); 1117 int end = getSelectionEnd(); 1118 int start = mTokenizer.findTokenStart(editable, end); 1119 1120 if (shouldCreateChip(start, end)) { 1121 int whatEnd = mTokenizer.findTokenEnd(getText(), start); 1122 // In the middle of chip; treat this as an edit 1123 // and commit the whole token. 1124 if (whatEnd != getSelectionEnd()) { 1125 handleEdit(start, whatEnd); 1126 return true; 1127 } 1128 return commitChip(start, end , editable); 1129 } 1130 return false; 1131 } 1132 1133 private void commitByCharacter() { 1134 // We can't possibly commit by character if we can't tokenize. 1135 if (mTokenizer == null) { 1136 return; 1137 } 1138 Editable editable = getText(); 1139 int end = getSelectionEnd(); 1140 int start = mTokenizer.findTokenStart(editable, end); 1141 if (shouldCreateChip(start, end)) { 1142 commitChip(start, end, editable); 1143 } 1144 setSelection(getText().length()); 1145 } 1146 1147 private boolean commitChip(int start, int end, Editable editable) { 1148 ListAdapter adapter = getAdapter(); 1149 if (adapter != null && adapter.getCount() > 0 && enoughToFilter() 1150 && end == getSelectionEnd() && !isPhoneQuery()) { 1151 // choose the first entry. 1152 submitItemAtPosition(0); 1153 dismissDropDown(); 1154 return true; 1155 } else { 1156 int tokenEnd = mTokenizer.findTokenEnd(editable, start); 1157 if (editable.length() > tokenEnd + 1) { 1158 char charAt = editable.charAt(tokenEnd + 1); 1159 if (charAt == COMMIT_CHAR_COMMA || charAt == COMMIT_CHAR_SEMICOLON) { 1160 tokenEnd++; 1161 } 1162 } 1163 String text = editable.toString().substring(start, tokenEnd).trim(); 1164 clearComposingText(); 1165 if (text != null && text.length() > 0 && !text.equals(" ")) { 1166 RecipientEntry entry = createTokenizedEntry(text); 1167 if (entry != null) { 1168 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1169 CharSequence chipText = createChip(entry, false); 1170 if (chipText != null && start > -1 && end > -1) { 1171 editable.replace(start, end, chipText); 1172 } 1173 } 1174 // Only dismiss the dropdown if it is related to the text we 1175 // just committed. 1176 // For paste, it may not be as there are possibly multiple 1177 // tokens being added. 1178 if (end == getSelectionEnd()) { 1179 dismissDropDown(); 1180 } 1181 sanitizeBetween(); 1182 return true; 1183 } 1184 } 1185 return false; 1186 } 1187 1188 // Visible for testing. 1189 /* package */ void sanitizeBetween() { 1190 // Don't sanitize while we are waiting for content to chipify. 1191 if (mPendingChipsCount > 0) { 1192 return; 1193 } 1194 // Find the last chip. 1195 RecipientChip[] recips = getSortedRecipients(); 1196 if (recips != null && recips.length > 0) { 1197 RecipientChip last = recips[recips.length - 1]; 1198 RecipientChip beforeLast = null; 1199 if (recips.length > 1) { 1200 beforeLast = recips[recips.length - 2]; 1201 } 1202 int startLooking = 0; 1203 int end = getSpannable().getSpanStart(last); 1204 if (beforeLast != null) { 1205 startLooking = getSpannable().getSpanEnd(beforeLast); 1206 Editable text = getText(); 1207 if (startLooking == -1 || startLooking > text.length() - 1) { 1208 // There is nothing after this chip. 1209 return; 1210 } 1211 if (text.charAt(startLooking) == ' ') { 1212 startLooking++; 1213 } 1214 } 1215 if (startLooking >= 0 && end >= 0 && startLooking < end) { 1216 getText().delete(startLooking, end); 1217 } 1218 } 1219 } 1220 1221 private boolean shouldCreateChip(int start, int end) { 1222 return !mNoChips && hasFocus() && enoughToFilter() && !alreadyHasChip(start, end); 1223 } 1224 1225 private boolean alreadyHasChip(int start, int end) { 1226 if (mNoChips) { 1227 return true; 1228 } 1229 RecipientChip[] chips = getSpannable().getSpans(start, end, RecipientChip.class); 1230 if ((chips == null || chips.length == 0)) { 1231 return false; 1232 } 1233 return true; 1234 } 1235 1236 private void handleEdit(int start, int end) { 1237 if (start == -1 || end == -1) { 1238 // This chip no longer exists in the field. 1239 dismissDropDown(); 1240 return; 1241 } 1242 // This is in the middle of a chip, so select out the whole chip 1243 // and commit it. 1244 Editable editable = getText(); 1245 setSelection(end); 1246 String text = getText().toString().substring(start, end); 1247 if (!TextUtils.isEmpty(text)) { 1248 RecipientEntry entry = RecipientEntry.constructFakeEntry(text); 1249 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1250 CharSequence chipText = createChip(entry, false); 1251 int selEnd = getSelectionEnd(); 1252 if (chipText != null && start > -1 && selEnd > -1) { 1253 editable.replace(start, selEnd, chipText); 1254 } 1255 } 1256 dismissDropDown(); 1257 } 1258 1259 /** 1260 * If there is a selected chip, delegate the key events 1261 * to the selected chip. 1262 */ 1263 @Override 1264 public boolean onKeyDown(int keyCode, KeyEvent event) { 1265 if (mSelectedChip != null && keyCode == KeyEvent.KEYCODE_DEL) { 1266 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1267 mAlternatesPopup.dismiss(); 1268 } 1269 removeChip(mSelectedChip); 1270 } 1271 1272 if (keyCode == KeyEvent.KEYCODE_ENTER && event.hasNoModifiers()) { 1273 return true; 1274 } 1275 1276 return super.onKeyDown(keyCode, event); 1277 } 1278 1279 // Visible for testing. 1280 /* package */ Spannable getSpannable() { 1281 return getText(); 1282 } 1283 1284 private int getChipStart(RecipientChip chip) { 1285 return getSpannable().getSpanStart(chip); 1286 } 1287 1288 private int getChipEnd(RecipientChip chip) { 1289 return getSpannable().getSpanEnd(chip); 1290 } 1291 1292 /** 1293 * Instead of filtering on the entire contents of the edit box, 1294 * this subclass method filters on the range from 1295 * {@link Tokenizer#findTokenStart} to {@link #getSelectionEnd} 1296 * if the length of that range meets or exceeds {@link #getThreshold} 1297 * and makes sure that the range is not already a Chip. 1298 */ 1299 @Override 1300 protected void performFiltering(CharSequence text, int keyCode) { 1301 if (enoughToFilter() && !isCompletedToken(text)) { 1302 int end = getSelectionEnd(); 1303 int start = mTokenizer.findTokenStart(text, end); 1304 // If this is a RecipientChip, don't filter 1305 // on its contents. 1306 Spannable span = getSpannable(); 1307 RecipientChip[] chips = span.getSpans(start, end, RecipientChip.class); 1308 if (chips != null && chips.length > 0) { 1309 return; 1310 } 1311 } 1312 super.performFiltering(text, keyCode); 1313 } 1314 1315 // Visible for testing. 1316 /*package*/ boolean isCompletedToken(CharSequence text) { 1317 if (TextUtils.isEmpty(text)) { 1318 return false; 1319 } 1320 // Check to see if this is a completed token before filtering. 1321 int end = text.length(); 1322 int start = mTokenizer.findTokenStart(text, end); 1323 String token = text.toString().substring(start, end).trim(); 1324 if (!TextUtils.isEmpty(token)) { 1325 char atEnd = token.charAt(token.length() - 1); 1326 return atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON; 1327 } 1328 return false; 1329 } 1330 1331 private void clearSelectedChip() { 1332 if (mSelectedChip != null) { 1333 unselectChip(mSelectedChip); 1334 mSelectedChip = null; 1335 } 1336 setCursorVisible(true); 1337 } 1338 1339 /** 1340 * Monitor touch events in the RecipientEditTextView. 1341 * If the view does not have focus, any tap on the view 1342 * will just focus the view. If the view has focus, determine 1343 * if the touch target is a recipient chip. If it is and the chip 1344 * is not selected, select it and clear any other selected chips. 1345 * If it isn't, then select that chip. 1346 */ 1347 @Override 1348 public boolean onTouchEvent(MotionEvent event) { 1349 if (!isFocused()) { 1350 // Ignore any chip taps until this view is focused. 1351 return super.onTouchEvent(event); 1352 } 1353 boolean handled = super.onTouchEvent(event); 1354 int action = event.getAction(); 1355 boolean chipWasSelected = false; 1356 if (mSelectedChip == null) { 1357 mGestureDetector.onTouchEvent(event); 1358 } 1359 if (mCopyAddress == null && action == MotionEvent.ACTION_UP) { 1360 float x = event.getX(); 1361 float y = event.getY(); 1362 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 1363 RecipientChip currentChip = findChip(offset); 1364 if (currentChip != null) { 1365 if (action == MotionEvent.ACTION_UP) { 1366 if (mSelectedChip != null && mSelectedChip != currentChip) { 1367 clearSelectedChip(); 1368 mSelectedChip = selectChip(currentChip); 1369 } else if (mSelectedChip == null) { 1370 setSelection(getText().length()); 1371 commitDefault(); 1372 mSelectedChip = selectChip(currentChip); 1373 } else { 1374 onClick(mSelectedChip, offset, x, y); 1375 } 1376 } 1377 chipWasSelected = true; 1378 handled = true; 1379 } else if (mSelectedChip != null 1380 && mSelectedChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1381 chipWasSelected = true; 1382 } 1383 } 1384 if (action == MotionEvent.ACTION_UP && !chipWasSelected) { 1385 clearSelectedChip(); 1386 } 1387 return handled; 1388 } 1389 1390 private void scrollLineIntoView(int line) { 1391 if (mScrollView != null) { 1392 mScrollView.scrollBy(0, calculateOffsetFromBottom(line)); 1393 } 1394 } 1395 1396 private void showAlternates(RecipientChip currentChip, ListPopupWindow alternatesPopup, 1397 int width, Context context) { 1398 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1399 int bottom; 1400 if (line == getLineCount() -1) { 1401 bottom = 0; 1402 } else { 1403 bottom = -(int) ((mChipHeight + (2 * mLineSpacingExtra)) * (Math.abs(getLineCount() - 1 1404 - line))); 1405 } 1406 // Align the alternates popup with the left side of the View, 1407 // regardless of the position of the chip tapped. 1408 alternatesPopup.setWidth(width); 1409 alternatesPopup.setAnchorView(this); 1410 alternatesPopup.setVerticalOffset(bottom); 1411 alternatesPopup.setAdapter(createAlternatesAdapter(currentChip)); 1412 alternatesPopup.setOnItemClickListener(mAlternatesListener); 1413 // Clear the checked item. 1414 mCheckedItem = -1; 1415 alternatesPopup.show(); 1416 ListView listView = alternatesPopup.getListView(); 1417 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1418 // Checked item would be -1 if the adapter has not 1419 // loaded the view that should be checked yet. The 1420 // variable will be set correctly when onCheckedItemChanged 1421 // is called in a separate thread. 1422 if (mCheckedItem != -1) { 1423 listView.setItemChecked(mCheckedItem, true); 1424 mCheckedItem = -1; 1425 } 1426 } 1427 1428 private ListAdapter createAlternatesAdapter(RecipientChip chip) { 1429 return new RecipientAlternatesAdapter(getContext(), chip.getContactId(), chip.getDataId(), 1430 mAlternatesLayout, ((BaseRecipientAdapter)getAdapter()).getQueryType(), this); 1431 } 1432 1433 private ListAdapter createSingleAddressAdapter(RecipientChip currentChip) { 1434 return new SingleRecipientArrayAdapter(getContext(), mAlternatesLayout, currentChip 1435 .getEntry()); 1436 } 1437 1438 @Override 1439 public void onCheckedItemChanged(int position) { 1440 ListView listView = mAlternatesPopup.getListView(); 1441 if (listView != null && listView.getCheckedItemCount() == 0) { 1442 listView.setItemChecked(position, true); 1443 } 1444 mCheckedItem = position; 1445 } 1446 1447 // TODO: This algorithm will need a lot of tweaking after more people have used 1448 // the chips ui. This attempts to be "forgiving" to fat finger touches by favoring 1449 // what comes before the finger. 1450 private int putOffsetInRange(int o) { 1451 int offset = o; 1452 Editable text = getText(); 1453 int length = text.length(); 1454 // Remove whitespace from end to find "real end" 1455 int realLength = length; 1456 for (int i = length - 1; i >= 0; i--) { 1457 if (text.charAt(i) == ' ') { 1458 realLength--; 1459 } else { 1460 break; 1461 } 1462 } 1463 1464 // If the offset is beyond or at the end of the text, 1465 // leave it alone. 1466 if (offset >= realLength) { 1467 return offset; 1468 } 1469 Editable editable = getText(); 1470 while (offset >= 0 && findText(editable, offset) == -1 && findChip(offset) == null) { 1471 // Keep walking backward! 1472 offset--; 1473 } 1474 return offset; 1475 } 1476 1477 private int findText(Editable text, int offset) { 1478 if (text.charAt(offset) != ' ') { 1479 return offset; 1480 } 1481 return -1; 1482 } 1483 1484 private RecipientChip findChip(int offset) { 1485 RecipientChip[] chips = getSpannable().getSpans(0, getText().length(), RecipientChip.class); 1486 // Find the chip that contains this offset. 1487 for (int i = 0; i < chips.length; i++) { 1488 RecipientChip chip = chips[i]; 1489 int start = getChipStart(chip); 1490 int end = getChipEnd(chip); 1491 if (offset >= start && offset <= end) { 1492 return chip; 1493 } 1494 } 1495 return null; 1496 } 1497 1498 // Visible for testing. 1499 // Use this method to generate text to add to the list of addresses. 1500 /* package */String createAddressText(RecipientEntry entry) { 1501 String display = entry.getDisplayName(); 1502 String address = entry.getDestination(); 1503 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1504 display = null; 1505 } 1506 String trimmedDisplayText; 1507 if (isPhoneQuery() && isPhoneNumber(address)) { 1508 trimmedDisplayText = address.trim(); 1509 } else { 1510 if (address != null) { 1511 // Tokenize out the address in case the address already 1512 // contained the username as well. 1513 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1514 if (tokenized != null && tokenized.length > 0) { 1515 address = tokenized[0].getAddress(); 1516 } 1517 } 1518 Rfc822Token token = new Rfc822Token(display, address, null); 1519 trimmedDisplayText = token.toString().trim(); 1520 } 1521 int index = trimmedDisplayText.indexOf(","); 1522 return mTokenizer != null && !TextUtils.isEmpty(trimmedDisplayText) 1523 && index < trimmedDisplayText.length() - 1 ? (String) mTokenizer 1524 .terminateToken(trimmedDisplayText) : trimmedDisplayText; 1525 } 1526 1527 // Visible for testing. 1528 // Use this method to generate text to display in a chip. 1529 /*package*/ String createChipDisplayText(RecipientEntry entry) { 1530 String display = entry.getDisplayName(); 1531 String address = entry.getDestination(); 1532 if (TextUtils.isEmpty(display) || TextUtils.equals(display, address)) { 1533 display = null; 1534 } 1535 if (address != null && !(isPhoneQuery() && isPhoneNumber(address))) { 1536 // Tokenize out the address in case the address already 1537 // contained the username as well. 1538 Rfc822Token[] tokenized = Rfc822Tokenizer.tokenize(address); 1539 if (tokenized != null && tokenized.length > 0) { 1540 address = tokenized[0].getAddress(); 1541 } 1542 } 1543 if (!TextUtils.isEmpty(display)) { 1544 return display; 1545 } else if (!TextUtils.isEmpty(address)){ 1546 return address; 1547 } else { 1548 return new Rfc822Token(display, address, null).toString(); 1549 } 1550 } 1551 1552 private CharSequence createChip(RecipientEntry entry, boolean pressed) { 1553 String displayText = createAddressText(entry); 1554 if (TextUtils.isEmpty(displayText)) { 1555 return null; 1556 } 1557 SpannableString chipText = null; 1558 // Always leave a blank space at the end of a chip. 1559 int end = getSelectionEnd(); 1560 int start = mTokenizer.findTokenStart(getText(), end); 1561 int textLength = displayText.length()-1; 1562 chipText = new SpannableString(displayText); 1563 if (!mNoChips) { 1564 try { 1565 RecipientChip chip = constructChipSpan(entry, start, pressed); 1566 chipText.setSpan(chip, 0, textLength, 1567 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1568 chip.setOriginalText(chipText.toString()); 1569 } catch (NullPointerException e) { 1570 Log.e(TAG, e.getMessage(), e); 1571 return null; 1572 } 1573 } 1574 return chipText; 1575 } 1576 1577 /** 1578 * When an item in the suggestions list has been clicked, create a chip from the 1579 * contact information of the selected item. 1580 */ 1581 @Override 1582 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1583 submitItemAtPosition(position); 1584 } 1585 1586 private void submitItemAtPosition(int position) { 1587 RecipientEntry entry = createValidatedEntry( 1588 (RecipientEntry)getAdapter().getItem(position)); 1589 if (entry == null) { 1590 return; 1591 } 1592 clearComposingText(); 1593 1594 int end = getSelectionEnd(); 1595 int start = mTokenizer.findTokenStart(getText(), end); 1596 1597 Editable editable = getText(); 1598 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1599 CharSequence chip = createChip(entry, false); 1600 if (chip != null && start >= 0 && end >= 0) { 1601 editable.replace(start, end, chip); 1602 } 1603 sanitizeBetween(); 1604 } 1605 1606 private RecipientEntry createValidatedEntry(RecipientEntry item) { 1607 if (item == null) { 1608 return null; 1609 } 1610 final RecipientEntry entry; 1611 // If the display name and the address are the same, or if this is a 1612 // valid contact, but the destination is invalid, then make this a fake 1613 // recipient that is editable. 1614 String destination = item.getDestination(); 1615 if (RecipientEntry.isCreatedRecipient(item.getContactId()) 1616 && (TextUtils.isEmpty(item.getDisplayName()) 1617 || TextUtils.equals(item.getDisplayName(), destination) 1618 || (mValidator != null && !mValidator.isValid(destination)))) { 1619 entry = RecipientEntry.constructFakeEntry(destination); 1620 } else { 1621 entry = item; 1622 } 1623 return entry; 1624 } 1625 1626 /** Returns a collection of contact Id for each chip inside this View. */ 1627 /* package */ Collection<Long> getContactIds() { 1628 final Set<Long> result = new HashSet<Long>(); 1629 RecipientChip[] chips = getSortedRecipients(); 1630 if (chips != null) { 1631 for (RecipientChip chip : chips) { 1632 result.add(chip.getContactId()); 1633 } 1634 } 1635 return result; 1636 } 1637 1638 1639 /** Returns a collection of data Id for each chip inside this View. May be null. */ 1640 /* package */ Collection<Long> getDataIds() { 1641 final Set<Long> result = new HashSet<Long>(); 1642 RecipientChip [] chips = getSortedRecipients(); 1643 if (chips != null) { 1644 for (RecipientChip chip : chips) { 1645 result.add(chip.getDataId()); 1646 } 1647 } 1648 return result; 1649 } 1650 1651 // Visible for testing. 1652 /* package */RecipientChip[] getSortedRecipients() { 1653 RecipientChip[] recips = getSpannable() 1654 .getSpans(0, getText().length(), RecipientChip.class); 1655 ArrayList<RecipientChip> recipientsList = new ArrayList<RecipientChip>(Arrays 1656 .asList(recips)); 1657 final Spannable spannable = getSpannable(); 1658 Collections.sort(recipientsList, new Comparator<RecipientChip>() { 1659 1660 @Override 1661 public int compare(RecipientChip first, RecipientChip second) { 1662 int firstStart = spannable.getSpanStart(first); 1663 int secondStart = spannable.getSpanStart(second); 1664 if (firstStart < secondStart) { 1665 return -1; 1666 } else if (firstStart > secondStart) { 1667 return 1; 1668 } else { 1669 return 0; 1670 } 1671 } 1672 }); 1673 return recipientsList.toArray(new RecipientChip[recipientsList.size()]); 1674 } 1675 1676 @Override 1677 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 1678 return false; 1679 } 1680 1681 @Override 1682 public void onDestroyActionMode(ActionMode mode) { 1683 } 1684 1685 @Override 1686 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 1687 return false; 1688 } 1689 1690 /** 1691 * No chips are selectable. 1692 */ 1693 @Override 1694 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 1695 return false; 1696 } 1697 1698 // Visible for testing. 1699 /* package */ImageSpan getMoreChip() { 1700 MoreImageSpan[] moreSpans = getSpannable().getSpans(0, getText().length(), 1701 MoreImageSpan.class); 1702 return moreSpans != null && moreSpans.length > 0 ? moreSpans[0] : null; 1703 } 1704 1705 private MoreImageSpan createMoreSpan(int count) { 1706 String moreText = String.format(mMoreItem.getText().toString(), count); 1707 TextPaint morePaint = new TextPaint(getPaint()); 1708 morePaint.setTextSize(mMoreItem.getTextSize()); 1709 morePaint.setColor(mMoreItem.getCurrentTextColor()); 1710 int width = (int)morePaint.measureText(moreText) + mMoreItem.getPaddingLeft() 1711 + mMoreItem.getPaddingRight(); 1712 int height = getLineHeight(); 1713 Bitmap drawable = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); 1714 Canvas canvas = new Canvas(drawable); 1715 int adjustedHeight = height; 1716 Layout layout = getLayout(); 1717 if (layout != null) { 1718 adjustedHeight -= layout.getLineDescent(0); 1719 } 1720 canvas.drawText(moreText, 0, moreText.length(), 0, adjustedHeight, morePaint); 1721 1722 Drawable result = new BitmapDrawable(getResources(), drawable); 1723 result.setBounds(0, 0, width, height); 1724 return new MoreImageSpan(result); 1725 } 1726 1727 // Visible for testing. 1728 /*package*/ void createMoreChipPlainText() { 1729 // Take the first <= CHIP_LIMIT addresses and get to the end of the second one. 1730 Editable text = getText(); 1731 int start = 0; 1732 int end = start; 1733 for (int i = 0; i < CHIP_LIMIT; i++) { 1734 end = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1735 start = end; // move to the next token and get its end. 1736 } 1737 // Now, count total addresses. 1738 start = 0; 1739 int tokenCount = countTokens(text); 1740 MoreImageSpan moreSpan = createMoreSpan(tokenCount - CHIP_LIMIT); 1741 SpannableString chipText = new SpannableString(text.subSequence(end, text.length())); 1742 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1743 text.replace(end, text.length(), chipText); 1744 mMoreChip = moreSpan; 1745 } 1746 1747 // Visible for testing. 1748 /* package */int countTokens(Editable text) { 1749 int tokenCount = 0; 1750 int start = 0; 1751 while (start < text.length()) { 1752 start = movePastTerminators(mTokenizer.findTokenEnd(text, start)); 1753 tokenCount++; 1754 if (start >= text.length()) { 1755 break; 1756 } 1757 } 1758 return tokenCount; 1759 } 1760 1761 /** 1762 * Create the more chip. The more chip is text that replaces any chips that 1763 * do not fit in the pre-defined available space when the 1764 * RecipientEditTextView loses focus. 1765 */ 1766 // Visible for testing. 1767 /* package */ void createMoreChip() { 1768 if (mNoChips) { 1769 createMoreChipPlainText(); 1770 return; 1771 } 1772 1773 if (!mShouldShrink) { 1774 return; 1775 } 1776 1777 ImageSpan[] tempMore = getSpannable().getSpans(0, getText().length(), MoreImageSpan.class); 1778 if (tempMore.length > 0) { 1779 getSpannable().removeSpan(tempMore[0]); 1780 } 1781 RecipientChip[] recipients = getSortedRecipients(); 1782 1783 if (recipients == null || recipients.length <= CHIP_LIMIT) { 1784 mMoreChip = null; 1785 return; 1786 } 1787 Spannable spannable = getSpannable(); 1788 int numRecipients = recipients.length; 1789 int overage = numRecipients - CHIP_LIMIT; 1790 MoreImageSpan moreSpan = createMoreSpan(overage); 1791 mRemovedSpans = new ArrayList<RecipientChip>(); 1792 int totalReplaceStart = 0; 1793 int totalReplaceEnd = 0; 1794 Editable text = getText(); 1795 for (int i = numRecipients - overage; i < recipients.length; i++) { 1796 mRemovedSpans.add(recipients[i]); 1797 if (i == numRecipients - overage) { 1798 totalReplaceStart = spannable.getSpanStart(recipients[i]); 1799 } 1800 if (i == recipients.length - 1) { 1801 totalReplaceEnd = spannable.getSpanEnd(recipients[i]); 1802 } 1803 if (mTemporaryRecipients == null || !mTemporaryRecipients.contains(recipients[i])) { 1804 int spanStart = spannable.getSpanStart(recipients[i]); 1805 int spanEnd = spannable.getSpanEnd(recipients[i]); 1806 recipients[i].setOriginalText(text.toString().substring(spanStart, spanEnd)); 1807 } 1808 spannable.removeSpan(recipients[i]); 1809 } 1810 if (totalReplaceEnd < text.length()) { 1811 totalReplaceEnd = text.length(); 1812 } 1813 int end = Math.max(totalReplaceStart, totalReplaceEnd); 1814 int start = Math.min(totalReplaceStart, totalReplaceEnd); 1815 SpannableString chipText = new SpannableString(text.subSequence(start, end)); 1816 chipText.setSpan(moreSpan, 0, chipText.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1817 text.replace(start, end, chipText); 1818 mMoreChip = moreSpan; 1819 } 1820 1821 /** 1822 * Replace the more chip, if it exists, with all of the recipient chips it had 1823 * replaced when the RecipientEditTextView gains focus. 1824 */ 1825 // Visible for testing. 1826 /*package*/ void removeMoreChip() { 1827 if (mMoreChip != null) { 1828 Spannable span = getSpannable(); 1829 span.removeSpan(mMoreChip); 1830 mMoreChip = null; 1831 // Re-add the spans that were removed. 1832 if (mRemovedSpans != null && mRemovedSpans.size() > 0) { 1833 // Recreate each removed span. 1834 RecipientChip[] recipients = getSortedRecipients(); 1835 // Start the search for tokens after the last currently visible 1836 // chip. 1837 if (recipients == null || recipients.length == 0) { 1838 return; 1839 } 1840 int end = span.getSpanEnd(recipients[recipients.length - 1]); 1841 Editable editable = getText(); 1842 for (RecipientChip chip : mRemovedSpans) { 1843 int chipStart; 1844 int chipEnd; 1845 String token; 1846 // Need to find the location of the chip, again. 1847 token = (String) chip.getOriginalText(); 1848 // As we find the matching recipient for the remove spans, 1849 // reduce the size of the string we need to search. 1850 // That way, if there are duplicates, we always find the correct 1851 // recipient. 1852 chipStart = editable.toString().indexOf(token, end); 1853 end = chipEnd = Math.min(editable.length(), chipStart + token.length()); 1854 // Only set the span if we found a matching token. 1855 if (chipStart != -1) { 1856 editable.setSpan(chip, chipStart, chipEnd, 1857 Spannable.SPAN_EXCLUSIVE_EXCLUSIVE); 1858 } 1859 } 1860 mRemovedSpans.clear(); 1861 } 1862 } 1863 } 1864 1865 /** 1866 * Show specified chip as selected. If the RecipientChip is just an email address, 1867 * selecting the chip will take the contents of the chip and place it at 1868 * the end of the RecipientEditTextView for inline editing. If the 1869 * RecipientChip is a complete contact, then selecting the chip 1870 * will change the background color of the chip, show the delete icon, 1871 * and a popup window with the address in use highlighted and any other 1872 * alternate addresses for the contact. 1873 * @param currentChip Chip to select. 1874 * @return A RecipientChip in the selected state or null if the chip 1875 * just contained an email address. 1876 */ 1877 private RecipientChip selectChip(RecipientChip currentChip) { 1878 if (currentChip.getContactId() == RecipientEntry.INVALID_CONTACT) { 1879 CharSequence text = currentChip.getValue(); 1880 Editable editable = getText(); 1881 removeChip(currentChip); 1882 editable.append(text); 1883 setCursorVisible(true); 1884 setSelection(editable.length()); 1885 return new RecipientChip(null, RecipientEntry.constructFakeEntry((String) text), -1); 1886 } else if (currentChip.getContactId() == RecipientEntry.GENERATED_CONTACT) { 1887 int start = getChipStart(currentChip); 1888 int end = getChipEnd(currentChip); 1889 getSpannable().removeSpan(currentChip); 1890 RecipientChip newChip; 1891 try { 1892 if (mNoChips) { 1893 return null; 1894 } 1895 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1896 } catch (NullPointerException e) { 1897 Log.e(TAG, e.getMessage(), e); 1898 return null; 1899 } 1900 Editable editable = getText(); 1901 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1902 if (start == -1 || end == -1) { 1903 Log.d(TAG, "The chip being selected no longer exists but should."); 1904 } else { 1905 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1906 } 1907 newChip.setSelected(true); 1908 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1909 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1910 } 1911 showAddress(newChip, mAddressPopup, getWidth(), getContext()); 1912 setCursorVisible(false); 1913 return newChip; 1914 } else { 1915 int start = getChipStart(currentChip); 1916 int end = getChipEnd(currentChip); 1917 getSpannable().removeSpan(currentChip); 1918 RecipientChip newChip; 1919 try { 1920 newChip = constructChipSpan(currentChip.getEntry(), start, true); 1921 } catch (NullPointerException e) { 1922 Log.e(TAG, e.getMessage(), e); 1923 return null; 1924 } 1925 Editable editable = getText(); 1926 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1927 if (start == -1 || end == -1) { 1928 Log.d(TAG, "The chip being selected no longer exists but should."); 1929 } else { 1930 editable.setSpan(newChip, start, end, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1931 } 1932 newChip.setSelected(true); 1933 if (newChip.getEntry().getContactId() == RecipientEntry.INVALID_CONTACT) { 1934 scrollLineIntoView(getLayout().getLineForOffset(getChipStart(newChip))); 1935 } 1936 showAlternates(newChip, mAlternatesPopup, getWidth(), getContext()); 1937 setCursorVisible(false); 1938 return newChip; 1939 } 1940 } 1941 1942 1943 private void showAddress(final RecipientChip currentChip, final ListPopupWindow popup, 1944 int width, Context context) { 1945 int line = getLayout().getLineForOffset(getChipStart(currentChip)); 1946 int bottom = calculateOffsetFromBottom(line); 1947 // Align the alternates popup with the left side of the View, 1948 // regardless of the position of the chip tapped. 1949 popup.setWidth(width); 1950 popup.setAnchorView(this); 1951 popup.setVerticalOffset(bottom); 1952 popup.setAdapter(createSingleAddressAdapter(currentChip)); 1953 popup.setOnItemClickListener(new OnItemClickListener() { 1954 @Override 1955 public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 1956 unselectChip(currentChip); 1957 popup.dismiss(); 1958 } 1959 }); 1960 popup.show(); 1961 ListView listView = popup.getListView(); 1962 listView.setChoiceMode(ListView.CHOICE_MODE_SINGLE); 1963 listView.setItemChecked(0, true); 1964 } 1965 1966 /** 1967 * Remove selection from this chip. Unselecting a RecipientChip will render 1968 * the chip without a delete icon and with an unfocused background. This is 1969 * called when the RecipientChip no longer has focus. 1970 */ 1971 private void unselectChip(RecipientChip chip) { 1972 int start = getChipStart(chip); 1973 int end = getChipEnd(chip); 1974 Editable editable = getText(); 1975 mSelectedChip = null; 1976 if (start == -1 || end == -1) { 1977 Log.w(TAG, "The chip doesn't exist or may be a chip a user was editing"); 1978 setSelection(editable.length()); 1979 commitDefault(); 1980 } else { 1981 getSpannable().removeSpan(chip); 1982 QwertyKeyListener.markAsReplaced(editable, start, end, ""); 1983 editable.removeSpan(chip); 1984 try { 1985 if (!mNoChips) { 1986 editable.setSpan(constructChipSpan(chip.getEntry(), start, false), start, end, 1987 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 1988 } 1989 } catch (NullPointerException e) { 1990 Log.e(TAG, e.getMessage(), e); 1991 } 1992 } 1993 setCursorVisible(true); 1994 setSelection(editable.length()); 1995 if (mAlternatesPopup != null && mAlternatesPopup.isShowing()) { 1996 mAlternatesPopup.dismiss(); 1997 } 1998 } 1999 2000 /** 2001 * Return whether a touch event was inside the delete target of 2002 * a selected chip. It is in the delete target if: 2003 * 1) the x and y points of the event are within the 2004 * delete assset. 2005 * 2) the point tapped would have caused a cursor to appear 2006 * right after the selected chip. 2007 * @return boolean 2008 */ 2009 private boolean isInDelete(RecipientChip chip, int offset, float x, float y) { 2010 // Figure out the bounds of this chip and whether or not 2011 // the user clicked in the X portion. 2012 return chip.isSelected() && offset == getChipEnd(chip); 2013 } 2014 2015 /** 2016 * Remove the chip and any text associated with it from the RecipientEditTextView. 2017 */ 2018 // Visible for testing. 2019 /*pacakge*/ void removeChip(RecipientChip chip) { 2020 Spannable spannable = getSpannable(); 2021 int spanStart = spannable.getSpanStart(chip); 2022 int spanEnd = spannable.getSpanEnd(chip); 2023 Editable text = getText(); 2024 int toDelete = spanEnd; 2025 boolean wasSelected = chip == mSelectedChip; 2026 // Clear that there is a selected chip before updating any text. 2027 if (wasSelected) { 2028 mSelectedChip = null; 2029 } 2030 // Always remove trailing spaces when removing a chip. 2031 while (toDelete >= 0 && toDelete < text.length() && text.charAt(toDelete) == ' ') { 2032 toDelete++; 2033 } 2034 spannable.removeSpan(chip); 2035 if (spanStart >= 0 && toDelete > 0) { 2036 text.delete(spanStart, toDelete); 2037 } 2038 if (wasSelected) { 2039 clearSelectedChip(); 2040 } 2041 } 2042 2043 /** 2044 * Replace this currently selected chip with a new chip 2045 * that uses the contact data provided. 2046 */ 2047 // Visible for testing. 2048 /*package*/ void replaceChip(RecipientChip chip, RecipientEntry entry) { 2049 boolean wasSelected = chip == mSelectedChip; 2050 if (wasSelected) { 2051 mSelectedChip = null; 2052 } 2053 int start = getChipStart(chip); 2054 int end = getChipEnd(chip); 2055 getSpannable().removeSpan(chip); 2056 Editable editable = getText(); 2057 CharSequence chipText = createChip(entry, false); 2058 if (chipText != null) { 2059 if (start == -1 || end == -1) { 2060 Log.e(TAG, "The chip to replace does not exist but should."); 2061 editable.insert(0, chipText); 2062 } else { 2063 if (!TextUtils.isEmpty(chipText)) { 2064 // There may be a space to replace with this chip's new 2065 // associated space. Check for it 2066 int toReplace = end; 2067 while (toReplace >= 0 && toReplace < editable.length() 2068 && editable.charAt(toReplace) == ' ') { 2069 toReplace++; 2070 } 2071 editable.replace(start, toReplace, chipText); 2072 } 2073 } 2074 } 2075 setCursorVisible(true); 2076 if (wasSelected) { 2077 clearSelectedChip(); 2078 } 2079 } 2080 2081 /** 2082 * Handle click events for a chip. When a selected chip receives a click 2083 * event, see if that event was in the delete icon. If so, delete it. 2084 * Otherwise, unselect the chip. 2085 */ 2086 public void onClick(RecipientChip chip, int offset, float x, float y) { 2087 if (chip.isSelected()) { 2088 if (isInDelete(chip, offset, x, y)) { 2089 removeChip(chip); 2090 } else { 2091 clearSelectedChip(); 2092 } 2093 } 2094 } 2095 2096 private boolean chipsPending() { 2097 return mPendingChipsCount > 0 || (mRemovedSpans != null && mRemovedSpans.size() > 0); 2098 } 2099 2100 @Override 2101 public void removeTextChangedListener(TextWatcher watcher) { 2102 mTextWatcher = null; 2103 super.removeTextChangedListener(watcher); 2104 } 2105 2106 private class RecipientTextWatcher implements TextWatcher { 2107 2108 @Override 2109 public void afterTextChanged(Editable s) { 2110 // If the text has been set to null or empty, make sure we remove 2111 // all the spans we applied. 2112 if (TextUtils.isEmpty(s)) { 2113 // Remove all the chips spans. 2114 Spannable spannable = getSpannable(); 2115 RecipientChip[] chips = spannable.getSpans(0, getText().length(), 2116 RecipientChip.class); 2117 for (RecipientChip chip : chips) { 2118 spannable.removeSpan(chip); 2119 } 2120 if (mMoreChip != null) { 2121 spannable.removeSpan(mMoreChip); 2122 } 2123 return; 2124 } 2125 // Get whether there are any recipients pending addition to the 2126 // view. If there are, don't do anything in the text watcher. 2127 if (chipsPending()) { 2128 return; 2129 } 2130 // If the user is editing a chip, don't clear it. 2131 if (mSelectedChip != null 2132 && mSelectedChip.getContactId() != RecipientEntry.INVALID_CONTACT) { 2133 setCursorVisible(true); 2134 setSelection(getText().length()); 2135 clearSelectedChip(); 2136 } 2137 int length = s.length(); 2138 // Make sure there is content there to parse and that it is 2139 // not just the commit character. 2140 if (length > 1) { 2141 char last; 2142 int end = getSelectionEnd() == 0 ? 0 : getSelectionEnd() - 1; 2143 int len = length() - 1; 2144 if (end != len) { 2145 last = s.charAt(end); 2146 } else { 2147 last = s.charAt(len); 2148 } 2149 if (last == COMMIT_CHAR_SEMICOLON || last == COMMIT_CHAR_COMMA) { 2150 commitByCharacter(); 2151 } else if (last == COMMIT_CHAR_SPACE) { 2152 if (!isPhoneQuery()) { 2153 // Check if this is a valid email address. If it is, 2154 // commit it. 2155 String text = getText().toString(); 2156 int tokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2157 String sub = text.substring(tokenStart, mTokenizer.findTokenEnd(text, 2158 tokenStart)); 2159 if (!TextUtils.isEmpty(sub) && mValidator != null && 2160 mValidator.isValid(sub)) { 2161 commitByCharacter(); 2162 } 2163 } 2164 } 2165 } 2166 } 2167 2168 @Override 2169 public void onTextChanged(CharSequence s, int start, int before, int count) { 2170 // This is a delete; check to see if the insertion point is on a space 2171 // following a chip. 2172 if (before > count) { 2173 // If the item deleted is a space, and the thing before the 2174 // space is a chip, delete the entire span. 2175 int selStart = getSelectionStart(); 2176 RecipientChip[] repl = getSpannable().getSpans(selStart, selStart, 2177 RecipientChip.class); 2178 if (repl.length > 0) { 2179 // There is a chip there! Just remove it. 2180 Editable editable = getText(); 2181 // Add the separator token. 2182 int tokenStart = mTokenizer.findTokenStart(editable, selStart); 2183 int tokenEnd = mTokenizer.findTokenEnd(editable, tokenStart); 2184 tokenEnd = tokenEnd + 1; 2185 if (tokenEnd > editable.length()) { 2186 tokenEnd = editable.length(); 2187 } 2188 editable.delete(tokenStart, tokenEnd); 2189 getSpannable().removeSpan(repl[0]); 2190 } 2191 } else if (count > before) { 2192 // Only scroll when the user is adding text, not clearing text. 2193 scrollBottomIntoView(); 2194 } 2195 } 2196 2197 @Override 2198 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 2199 // Do nothing. 2200 } 2201 } 2202 2203 private void scrollBottomIntoView() { 2204 if (mScrollView != null) { 2205 mScrollView.scrollBy(0, (int)(getLineCount() * mChipHeight)); 2206 } 2207 } 2208 2209 /** 2210 * Handles pasting a {@link ClipData} to this {@link RecipientEditTextView}. 2211 */ 2212 private void handlePasteClip(ClipData clip) { 2213 removeTextChangedListener(mTextWatcher); 2214 2215 if (clip != null && clip.getDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN)){ 2216 for (int i = 0; i < clip.getItemCount(); i++) { 2217 CharSequence paste = clip.getItemAt(i).getText(); 2218 if (paste != null) { 2219 int start = getSelectionStart(); 2220 int end = getSelectionEnd(); 2221 Editable editable = getText(); 2222 if (start >= 0 && end >= 0 && start != end) { 2223 editable.append(paste, start, end); 2224 } else { 2225 editable.insert(end, paste); 2226 } 2227 handlePasteAndReplace(); 2228 } 2229 } 2230 } 2231 2232 mHandler.post(mAddTextWatcher); 2233 } 2234 2235 @Override 2236 public boolean onTextContextMenuItem(int id) { 2237 if (id == android.R.id.paste) { 2238 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2239 Context.CLIPBOARD_SERVICE); 2240 handlePasteClip(clipboard.getPrimaryClip()); 2241 return true; 2242 } 2243 return super.onTextContextMenuItem(id); 2244 } 2245 2246 private void handlePasteAndReplace() { 2247 ArrayList<RecipientChip> created = handlePaste(); 2248 if (created != null && created.size() > 0) { 2249 // Perform reverse lookups on the pasted contacts. 2250 IndividualReplacementTask replace = new IndividualReplacementTask(); 2251 replace.execute(created); 2252 } 2253 } 2254 2255 // Visible for testing. 2256 /* package */ArrayList<RecipientChip> handlePaste() { 2257 String text = getText().toString(); 2258 int originalTokenStart = mTokenizer.findTokenStart(text, getSelectionEnd()); 2259 String lastAddress = text.substring(originalTokenStart); 2260 int tokenStart = originalTokenStart; 2261 int prevTokenStart = tokenStart; 2262 RecipientChip findChip = null; 2263 ArrayList<RecipientChip> created = new ArrayList<RecipientChip>(); 2264 if (tokenStart != 0) { 2265 // There are things before this! 2266 while (tokenStart != 0 && findChip == null) { 2267 prevTokenStart = tokenStart; 2268 tokenStart = mTokenizer.findTokenStart(text, tokenStart); 2269 findChip = findChip(tokenStart); 2270 } 2271 if (tokenStart != originalTokenStart) { 2272 if (findChip != null) { 2273 tokenStart = prevTokenStart; 2274 } 2275 int tokenEnd; 2276 RecipientChip createdChip; 2277 while (tokenStart < originalTokenStart) { 2278 tokenEnd = movePastTerminators(mTokenizer.findTokenEnd(getText().toString(), 2279 tokenStart)); 2280 commitChip(tokenStart, tokenEnd, getText()); 2281 createdChip = findChip(tokenStart); 2282 if (createdChip == null) { 2283 break; 2284 } 2285 // +1 for the space at the end. 2286 tokenStart = getSpannable().getSpanEnd(createdChip) + 1; 2287 created.add(createdChip); 2288 } 2289 } 2290 } 2291 // Take a look at the last token. If the token has been completed with a 2292 // commit character, create a chip. 2293 if (isCompletedToken(lastAddress)) { 2294 Editable editable = getText(); 2295 tokenStart = editable.toString().indexOf(lastAddress, originalTokenStart); 2296 commitChip(tokenStart, editable.length(), editable); 2297 created.add(findChip(tokenStart)); 2298 } 2299 return created; 2300 } 2301 2302 // Visible for testing. 2303 /* package */int movePastTerminators(int tokenEnd) { 2304 if (tokenEnd >= length()) { 2305 return tokenEnd; 2306 } 2307 char atEnd = getText().toString().charAt(tokenEnd); 2308 if (atEnd == COMMIT_CHAR_COMMA || atEnd == COMMIT_CHAR_SEMICOLON) { 2309 tokenEnd++; 2310 } 2311 // This token had not only an end token character, but also a space 2312 // separating it from the next token. 2313 if (tokenEnd < length() && getText().toString().charAt(tokenEnd) == ' ') { 2314 tokenEnd++; 2315 } 2316 return tokenEnd; 2317 } 2318 2319 private class RecipientReplacementTask extends AsyncTask<Void, Void, Void> { 2320 private RecipientChip createFreeChip(RecipientEntry entry) { 2321 try { 2322 if (mNoChips) { 2323 return null; 2324 } 2325 return constructChipSpan(entry, -1, false); 2326 } catch (NullPointerException e) { 2327 Log.e(TAG, e.getMessage(), e); 2328 return null; 2329 } 2330 } 2331 2332 @Override 2333 protected Void doInBackground(Void... params) { 2334 if (mIndividualReplacements != null) { 2335 mIndividualReplacements.cancel(true); 2336 } 2337 // For each chip in the list, look up the matching contact. 2338 // If there is a match, replace that chip with the matching 2339 // chip. 2340 final ArrayList<RecipientChip> originalRecipients = new ArrayList<RecipientChip>(); 2341 RecipientChip[] existingChips = getSortedRecipients(); 2342 for (int i = 0; i < existingChips.length; i++) { 2343 originalRecipients.add(existingChips[i]); 2344 } 2345 if (mRemovedSpans != null) { 2346 originalRecipients.addAll(mRemovedSpans); 2347 } 2348 ArrayList<String> addresses = new ArrayList<String>(); 2349 RecipientChip chip; 2350 for (int i = 0; i < originalRecipients.size(); i++) { 2351 chip = originalRecipients.get(i); 2352 if (chip != null) { 2353 addresses.add(createAddressText(chip.getEntry())); 2354 } 2355 } 2356 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2357 .getMatchingRecipients(getContext(), addresses); 2358 final ArrayList<RecipientChip> replacements = new ArrayList<RecipientChip>(); 2359 for (final RecipientChip temp : originalRecipients) { 2360 RecipientEntry entry = null; 2361 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2362 && getSpannable().getSpanStart(temp) != -1) { 2363 // Replace this. 2364 entry = createValidatedEntry(entries.get(tokenizeAddress(temp.getEntry() 2365 .getDestination()))); 2366 } 2367 if (entry != null) { 2368 replacements.add(createFreeChip(entry)); 2369 } else { 2370 replacements.add(temp); 2371 } 2372 } 2373 if (replacements != null && replacements.size() > 0) { 2374 mHandler.post(new Runnable() { 2375 @Override 2376 public void run() { 2377 Editable oldText = getText(); 2378 int start, end; 2379 int i = 0; 2380 for (RecipientChip chip : originalRecipients) { 2381 // Find the location of the chip in the text currently shown. 2382 start = oldText.getSpanStart(chip); 2383 if (start != -1) { 2384 end = oldText.getSpanEnd(chip); 2385 oldText.removeSpan(chip); 2386 RecipientChip replacement = replacements.get(i); 2387 // Trim any whitespace, as we will already have 2388 // it added if these are replacement chips. 2389 SpannableString displayText = new SpannableString( 2390 createAddressText(replacement.getEntry()).trim()); 2391 displayText.setSpan(replacement, 0, displayText.length(), 2392 Spanned.SPAN_EXCLUSIVE_EXCLUSIVE); 2393 // Replace the old text we found with with the new display text, 2394 // which now may also contain the display name of the recipient. 2395 oldText.replace(start, end, displayText); 2396 replacement.setOriginalText(displayText.toString()); 2397 } 2398 i++; 2399 } 2400 originalRecipients.clear(); 2401 } 2402 }); 2403 } 2404 return null; 2405 } 2406 } 2407 2408 private class IndividualReplacementTask extends AsyncTask<Object, Void, Void> { 2409 @SuppressWarnings("unchecked") 2410 @Override 2411 protected Void doInBackground(Object... params) { 2412 // For each chip in the list, look up the matching contact. 2413 // If there is a match, replace that chip with the matching 2414 // chip. 2415 final ArrayList<RecipientChip> originalRecipients = 2416 (ArrayList<RecipientChip>) params[0]; 2417 ArrayList<String> addresses = new ArrayList<String>(); 2418 RecipientChip chip; 2419 for (int i = 0; i < originalRecipients.size(); i++) { 2420 chip = originalRecipients.get(i); 2421 if (chip != null) { 2422 addresses.add(createAddressText(chip.getEntry())); 2423 } 2424 } 2425 HashMap<String, RecipientEntry> entries = RecipientAlternatesAdapter 2426 .getMatchingRecipients(getContext(), addresses); 2427 for (final RecipientChip temp : originalRecipients) { 2428 if (RecipientEntry.isCreatedRecipient(temp.getEntry().getContactId()) 2429 && getSpannable().getSpanStart(temp) != -1) { 2430 // Replace this. 2431 final RecipientEntry entry = createValidatedEntry(entries.get( 2432 tokenizeAddress(temp.getEntry().getDestination()).toLowerCase())); 2433 if (entry != null) { 2434 mHandler.post(new Runnable() { 2435 @Override 2436 public void run() { 2437 replaceChip(temp, entry); 2438 } 2439 }); 2440 } 2441 } 2442 } 2443 return null; 2444 } 2445 } 2446 2447 2448 /** 2449 * MoreImageSpan is a simple class created for tracking the existence of a 2450 * more chip across activity restarts/ 2451 */ 2452 private class MoreImageSpan extends ImageSpan { 2453 public MoreImageSpan(Drawable b) { 2454 super(b); 2455 } 2456 } 2457 2458 @Override 2459 public boolean onDown(MotionEvent e) { 2460 return false; 2461 } 2462 2463 @Override 2464 public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) { 2465 // Do nothing. 2466 return false; 2467 } 2468 2469 @Override 2470 public void onLongPress(MotionEvent event) { 2471 if (mSelectedChip != null) { 2472 return; 2473 } 2474 float x = event.getX(); 2475 float y = event.getY(); 2476 int offset = putOffsetInRange(getOffsetForPosition(x, y)); 2477 RecipientChip currentChip = findChip(offset); 2478 if (currentChip != null) { 2479 if (mDragEnabled) { 2480 // Start drag-and-drop for the selected chip. 2481 startDrag(currentChip); 2482 } else { 2483 // Copy the selected chip email address. 2484 showCopyDialog(currentChip.getEntry().getDestination()); 2485 } 2486 } 2487 } 2488 2489 /** 2490 * Enables drag-and-drop for chips. 2491 */ 2492 public void enableDrag() { 2493 mDragEnabled = true; 2494 } 2495 2496 /** 2497 * Starts drag-and-drop for the selected chip. 2498 */ 2499 private void startDrag(RecipientChip currentChip) { 2500 String address = currentChip.getEntry().getDestination(); 2501 ClipData data = ClipData.newPlainText(address, address + COMMIT_CHAR_COMMA); 2502 2503 // Start drag mode. 2504 startDrag(data, new RecipientChipShadow(currentChip), null, 0); 2505 2506 // Remove the current chip, so drag-and-drop will result in a move. 2507 // TODO (phamm): consider readd this chip if it's dropped outside a target. 2508 removeChip(currentChip); 2509 } 2510 2511 /** 2512 * Handles drag event. 2513 */ 2514 @Override 2515 public boolean onDragEvent(DragEvent event) { 2516 switch (event.getAction()) { 2517 case DragEvent.ACTION_DRAG_STARTED: 2518 // Only handle plain text drag and drop. 2519 return event.getClipDescription().hasMimeType(ClipDescription.MIMETYPE_TEXT_PLAIN); 2520 case DragEvent.ACTION_DRAG_ENTERED: 2521 requestFocus(); 2522 return true; 2523 case DragEvent.ACTION_DROP: 2524 handlePasteClip(event.getClipData()); 2525 return true; 2526 } 2527 return false; 2528 } 2529 2530 /** 2531 * Drag shadow for a {@link RecipientChip}. 2532 */ 2533 private final class RecipientChipShadow extends DragShadowBuilder { 2534 private final RecipientChip mChip; 2535 2536 public RecipientChipShadow(RecipientChip chip) { 2537 mChip = chip; 2538 } 2539 2540 @Override 2541 public void onProvideShadowMetrics(Point shadowSize, Point shadowTouchPoint) { 2542 Rect rect = mChip.getDrawable().getBounds(); 2543 shadowSize.set(rect.width(), rect.height()); 2544 shadowTouchPoint.set(rect.centerX(), rect.centerY()); 2545 } 2546 2547 @Override 2548 public void onDrawShadow(Canvas canvas) { 2549 mChip.getDrawable().draw(canvas); 2550 } 2551 } 2552 2553 private void showCopyDialog(final String address) { 2554 mCopyAddress = address; 2555 mCopyDialog.setTitle(address); 2556 mCopyDialog.setContentView(R.layout.copy_chip_dialog_layout); 2557 mCopyDialog.setCancelable(true); 2558 mCopyDialog.setCanceledOnTouchOutside(true); 2559 Button button = (Button)mCopyDialog.findViewById(android.R.id.button1); 2560 button.setOnClickListener(this); 2561 int btnTitleId; 2562 if (isPhoneQuery()) { 2563 btnTitleId = R.string.copy_number; 2564 } else { 2565 btnTitleId = R.string.copy_email; 2566 } 2567 String buttonTitle = getContext().getResources().getString(btnTitleId); 2568 button.setText(buttonTitle); 2569 mCopyDialog.setOnDismissListener(this); 2570 mCopyDialog.show(); 2571 } 2572 2573 @Override 2574 public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { 2575 // Do nothing. 2576 return false; 2577 } 2578 2579 @Override 2580 public void onShowPress(MotionEvent e) { 2581 // Do nothing. 2582 } 2583 2584 @Override 2585 public boolean onSingleTapUp(MotionEvent e) { 2586 // Do nothing. 2587 return false; 2588 } 2589 2590 @Override 2591 public void onDismiss(DialogInterface dialog) { 2592 mCopyAddress = null; 2593 } 2594 2595 @Override 2596 public void onClick(View v) { 2597 // Copy this to the clipboard. 2598 ClipboardManager clipboard = (ClipboardManager) getContext().getSystemService( 2599 Context.CLIPBOARD_SERVICE); 2600 clipboard.setPrimaryClip(ClipData.newPlainText("", mCopyAddress)); 2601 mCopyDialog.dismiss(); 2602 } 2603 2604 protected boolean isPhoneQuery() { 2605 return getAdapter() != null 2606 && ((BaseRecipientAdapter) getAdapter()).getQueryType() 2607 == BaseRecipientAdapter.QUERY_TYPE_PHONE; 2608 } 2609} 2610