Folder.java revision 10236d6ac7f5f787ca21736494ccb5eaf2bd7c27
1/* 2 * Copyright (C) 2008 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.launcher3.folder; 18 19import android.animation.Animator; 20import android.animation.AnimatorListenerAdapter; 21import android.animation.AnimatorSet; 22import android.animation.ObjectAnimator; 23import android.animation.PropertyValuesHolder; 24import android.annotation.SuppressLint; 25import android.annotation.TargetApi; 26import android.content.Context; 27import android.content.res.Resources; 28import android.graphics.PointF; 29import android.graphics.Rect; 30import android.os.Build; 31import android.text.InputType; 32import android.text.Selection; 33import android.text.Spannable; 34import android.util.AttributeSet; 35import android.util.Log; 36import android.view.ActionMode; 37import android.view.FocusFinder; 38import android.view.KeyEvent; 39import android.view.Menu; 40import android.view.MenuItem; 41import android.view.MotionEvent; 42import android.view.View; 43import android.view.ViewDebug; 44import android.view.accessibility.AccessibilityEvent; 45import android.view.animation.AccelerateInterpolator; 46import android.view.animation.AnimationUtils; 47import android.view.inputmethod.EditorInfo; 48import android.view.inputmethod.InputMethodManager; 49import android.widget.LinearLayout; 50import android.widget.TextView; 51 52import com.android.launcher3.Alarm; 53import com.android.launcher3.AppInfo; 54import com.android.launcher3.BubbleTextView; 55import com.android.launcher3.CellLayout; 56import com.android.launcher3.DeviceProfile; 57import com.android.launcher3.DragSource; 58import com.android.launcher3.DropTarget; 59import com.android.launcher3.ExtendedEditText; 60import com.android.launcher3.FolderInfo; 61import com.android.launcher3.FolderInfo.FolderListener; 62import com.android.launcher3.ItemInfo; 63import com.android.launcher3.Launcher; 64import com.android.launcher3.LauncherAnimUtils; 65import com.android.launcher3.LauncherModel; 66import com.android.launcher3.LauncherSettings; 67import com.android.launcher3.LogDecelerateInterpolator; 68import com.android.launcher3.OnAlarmListener; 69import com.android.launcher3.R; 70import com.android.launcher3.ShortcutInfo; 71import com.android.launcher3.UninstallDropTarget.DropTargetSource; 72import com.android.launcher3.Utilities; 73import com.android.launcher3.Workspace.ItemOperator; 74import com.android.launcher3.accessibility.AccessibileDragListenerAdapter; 75import com.android.launcher3.config.FeatureFlags; 76import com.android.launcher3.dragndrop.DragController; 77import com.android.launcher3.dragndrop.DragController.DragListener; 78import com.android.launcher3.dragndrop.DragLayer; 79import com.android.launcher3.dragndrop.DragOptions; 80import com.android.launcher3.pageindicators.PageIndicatorDots; 81import com.android.launcher3.shortcuts.DeepShortcutsContainer; 82import com.android.launcher3.userevent.nano.LauncherLogProto; 83import com.android.launcher3.userevent.nano.LauncherLogProto.Target; 84import com.android.launcher3.util.CircleRevealOutlineProvider; 85import com.android.launcher3.util.Thunk; 86 87import java.util.ArrayList; 88import java.util.Collections; 89import java.util.Comparator; 90 91/** 92 * Represents a set of icons chosen by the user or generated by the system. 93 */ 94public class Folder extends LinearLayout implements DragSource, View.OnClickListener, 95 View.OnLongClickListener, DropTarget, FolderListener, TextView.OnEditorActionListener, 96 View.OnFocusChangeListener, DragListener, DropTargetSource { 97 private static final String TAG = "Launcher.Folder"; 98 99 /** 100 * We avoid measuring {@link #mContent} with a 0 width or height, as this 101 * results in CellLayout being measured as UNSPECIFIED, which it does not support. 102 */ 103 private static final int MIN_CONTENT_DIMEN = 5; 104 105 static final int STATE_NONE = -1; 106 static final int STATE_SMALL = 0; 107 static final int STATE_ANIMATING = 1; 108 static final int STATE_OPEN = 2; 109 110 /** 111 * Time for which the scroll hint is shown before automatically changing page. 112 */ 113 public static final int SCROLL_HINT_DURATION = DragController.SCROLL_DELAY; 114 115 /** 116 * Fraction of icon width which behave as scroll region. 117 */ 118 private static final float ICON_OVERSCROLL_WIDTH_FACTOR = 0.45f; 119 120 private static final int FOLDER_NAME_ANIMATION_DURATION = 633; 121 122 private static final int REORDER_DELAY = 250; 123 private static final int ON_EXIT_CLOSE_DELAY = 400; 124 private static final Rect sTempRect = new Rect(); 125 126 private static String sDefaultFolderName; 127 private static String sHintText; 128 129 private final Alarm mReorderAlarm = new Alarm(); 130 private final Alarm mOnExitAlarm = new Alarm(); 131 private final Alarm mOnScrollHintAlarm = new Alarm(); 132 @Thunk final Alarm mScrollPauseAlarm = new Alarm(); 133 134 @Thunk final ArrayList<View> mItemsInReadingOrder = new ArrayList<View>(); 135 136 private final int mExpandDuration; 137 private final int mMaterialExpandDuration; 138 private final int mMaterialExpandStagger; 139 140 private final InputMethodManager mInputMethodManager; 141 142 protected final Launcher mLauncher; 143 protected DragController mDragController; 144 public FolderInfo mInfo; 145 146 @Thunk FolderIcon mFolderIcon; 147 148 @Thunk FolderPagedView mContent; 149 public ExtendedEditText mFolderName; 150 private PageIndicatorDots mPageIndicator; 151 152 private View mFooter; 153 private int mFooterHeight; 154 155 // Cell ranks used for drag and drop 156 @Thunk int mTargetRank, mPrevTargetRank, mEmptyCellRank; 157 158 @ViewDebug.ExportedProperty(category = "launcher", 159 mapping = { 160 @ViewDebug.IntToString(from = STATE_NONE, to = "STATE_NONE"), 161 @ViewDebug.IntToString(from = STATE_SMALL, to = "STATE_SMALL"), 162 @ViewDebug.IntToString(from = STATE_ANIMATING, to = "STATE_ANIMATING"), 163 @ViewDebug.IntToString(from = STATE_OPEN, to = "STATE_OPEN"), 164 }) 165 @Thunk int mState = STATE_NONE; 166 @ViewDebug.ExportedProperty(category = "launcher") 167 private boolean mRearrangeOnClose = false; 168 boolean mItemsInvalidated = false; 169 private View mCurrentDragView; 170 private boolean mIsExternalDrag; 171 private boolean mDragInProgress = false; 172 private boolean mDeleteFolderOnDropCompleted = false; 173 private boolean mSuppressFolderDeletion = false; 174 private boolean mItemAddedBackToSelfViaIcon = false; 175 @Thunk float mFolderIconPivotX; 176 @Thunk float mFolderIconPivotY; 177 private boolean mIsEditingName = false; 178 179 @ViewDebug.ExportedProperty(category = "launcher") 180 private boolean mDestroyed; 181 182 @Thunk Runnable mDeferredAction; 183 private boolean mDeferDropAfterUninstall; 184 private boolean mUninstallSuccessful; 185 186 // Folder scrolling 187 private int mScrollAreaOffset; 188 189 @Thunk int mScrollHintDir = DragController.SCROLL_NONE; 190 @Thunk int mCurrentScrollDir = DragController.SCROLL_NONE; 191 192 /** 193 * Used to inflate the Workspace from XML. 194 * 195 * @param context The application's context. 196 * @param attrs The attributes set containing the Workspace's customization values. 197 */ 198 public Folder(Context context, AttributeSet attrs) { 199 super(context, attrs); 200 setAlwaysDrawnWithCacheEnabled(false); 201 mInputMethodManager = (InputMethodManager) 202 getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 203 204 Resources res = getResources(); 205 mExpandDuration = res.getInteger(R.integer.config_folderExpandDuration); 206 mMaterialExpandDuration = res.getInteger(R.integer.config_materialFolderExpandDuration); 207 mMaterialExpandStagger = res.getInteger(R.integer.config_materialFolderExpandStagger); 208 209 if (sDefaultFolderName == null) { 210 sDefaultFolderName = res.getString(R.string.folder_name); 211 } 212 if (sHintText == null) { 213 sHintText = res.getString(R.string.folder_hint_text); 214 } 215 mLauncher = (Launcher) context; 216 // We need this view to be focusable in touch mode so that when text editing of the folder 217 // name is complete, we have something to focus on, thus hiding the cursor and giving 218 // reliable behavior when clicking the text field (since it will always gain focus on click). 219 setFocusableInTouchMode(true); 220 } 221 222 @Override 223 protected void onFinishInflate() { 224 super.onFinishInflate(); 225 mContent = (FolderPagedView) findViewById(R.id.folder_content); 226 mContent.setFolder(this); 227 228 mPageIndicator = (PageIndicatorDots) findViewById(R.id.folder_page_indicator); 229 mFolderName = (ExtendedEditText) findViewById(R.id.folder_name); 230 mFolderName.setOnBackKeyListener(new ExtendedEditText.OnBackKeyListener() { 231 @Override 232 public boolean onBackKey() { 233 // Close the activity on back key press 234 doneEditingFolderName(true); 235 return false; 236 } 237 }); 238 mFolderName.setOnFocusChangeListener(this); 239 240 if (!Utilities.ATLEAST_MARSHMALLOW) { 241 // We disable action mode in older OSes where floating selection menu is not yet 242 // available. 243 mFolderName.setCustomSelectionActionModeCallback(new ActionMode.Callback() { 244 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 245 return false; 246 } 247 248 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 249 return false; 250 } 251 252 public void onDestroyActionMode(ActionMode mode) { 253 } 254 255 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 256 return false; 257 } 258 }); 259 } 260 mFolderName.setOnEditorActionListener(this); 261 mFolderName.setSelectAllOnFocus(true); 262 mFolderName.setInputType(mFolderName.getInputType() | 263 InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS | InputType.TYPE_TEXT_FLAG_CAP_WORDS); 264 265 mFooter = findViewById(R.id.folder_footer); 266 267 // We find out how tall footer wants to be (it is set to wrap_content), so that 268 // we can allocate the appropriate amount of space for it. 269 int measureSpec = MeasureSpec.UNSPECIFIED; 270 mFooter.measure(measureSpec, measureSpec); 271 mFooterHeight = mFooter.getMeasuredHeight(); 272 } 273 274 public void onClick(View v) { 275 Object tag = v.getTag(); 276 if (tag instanceof ShortcutInfo) { 277 mLauncher.onClick(v); 278 } 279 } 280 281 public boolean onLongClick(View v) { 282 // Return if global dragging is not enabled 283 if (!mLauncher.isDraggingEnabled()) return true; 284 return startDrag(v, new DragOptions()); 285 } 286 287 public boolean startDrag(View v, DragOptions options) { 288 Object tag = v.getTag(); 289 if (tag instanceof ShortcutInfo) { 290 ShortcutInfo item = (ShortcutInfo) tag; 291 if (!v.isInTouchMode()) { 292 return false; 293 } 294 295 mEmptyCellRank = item.rank; 296 mCurrentDragView = v; 297 298 mDragController.addDragListener(this); 299 if (options.isAccessibleDrag) { 300 mDragController.addDragListener(new AccessibileDragListenerAdapter( 301 mContent, CellLayout.FOLDER_ACCESSIBILITY_DRAG) { 302 303 @Override 304 protected void enableAccessibleDrag(boolean enable) { 305 super.enableAccessibleDrag(enable); 306 mFooter.setImportantForAccessibility(enable 307 ? IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS 308 : IMPORTANT_FOR_ACCESSIBILITY_AUTO); 309 } 310 }); 311 } 312 313 mLauncher.getWorkspace().beginDragShared(v, this, options); 314 } 315 return true; 316 } 317 318 @Override 319 public void onDragStart(DropTarget.DragObject dragObject, DragOptions options) { 320 if (dragObject.dragSource != this) { 321 return; 322 } 323 324 mContent.removeItem(mCurrentDragView); 325 if (dragObject.dragInfo instanceof ShortcutInfo) { 326 mItemsInvalidated = true; 327 328 // We do not want to get events for the item being removed, as they will get handled 329 // when the drop completes 330 try (SuppressInfoChanges s = new SuppressInfoChanges()) { 331 mInfo.remove((ShortcutInfo) dragObject.dragInfo, true); 332 } 333 } 334 mDragInProgress = true; 335 mItemAddedBackToSelfViaIcon = false; 336 } 337 338 @Override 339 public void onDragEnd() { 340 if (mIsExternalDrag && mDragInProgress) { 341 completeDragExit(); 342 } 343 mDragController.removeDragListener(this); 344 } 345 346 public boolean isEditingName() { 347 return mIsEditingName; 348 } 349 350 public void startEditingFolderName() { 351 post(new Runnable() { 352 @Override 353 public void run() { 354 mFolderName.setHint(""); 355 mIsEditingName = true; 356 } 357 }); 358 } 359 360 public void dismissEditingName() { 361 mInputMethodManager.hideSoftInputFromWindow(getWindowToken(), 0); 362 doneEditingFolderName(true); 363 } 364 365 public void doneEditingFolderName(boolean commit) { 366 mFolderName.setHint(sHintText); 367 // Convert to a string here to ensure that no other state associated with the text field 368 // gets saved. 369 String newTitle = mFolderName.getText().toString(); 370 mInfo.setTitle(newTitle); 371 LauncherModel.updateItemInDatabase(mLauncher, mInfo); 372 373 if (commit) { 374 Utilities.sendCustomAccessibilityEvent( 375 this, AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED, 376 getContext().getString(R.string.folder_renamed, newTitle)); 377 } 378 379 // This ensures that focus is gained every time the field is clicked, which selects all 380 // the text and brings up the soft keyboard if necessary. 381 mFolderName.clearFocus(); 382 383 Selection.setSelection((Spannable) mFolderName.getText(), 0, 0); 384 mIsEditingName = false; 385 } 386 387 public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 388 if (actionId == EditorInfo.IME_ACTION_DONE) { 389 dismissEditingName(); 390 return true; 391 } 392 return false; 393 } 394 395 public View getEditTextRegion() { 396 return mFolderName; 397 } 398 399 /** 400 * We need to handle touch events to prevent them from falling through to the workspace below. 401 */ 402 @SuppressLint("ClickableViewAccessibility") 403 @Override 404 public boolean onTouchEvent(MotionEvent ev) { 405 return true; 406 } 407 408 public void setDragController(DragController dragController) { 409 mDragController = dragController; 410 } 411 412 public void setFolderIcon(FolderIcon icon) { 413 mFolderIcon = icon; 414 } 415 416 @Override 417 protected void onAttachedToWindow() { 418 // requestFocus() causes the focus onto the folder itself, which doesn't cause visual 419 // effect but the next arrow key can start the keyboard focus inside of the folder, not 420 // the folder itself. 421 requestFocus(); 422 super.onAttachedToWindow(); 423 } 424 425 @Override 426 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 427 // When the folder gets focus, we don't want to announce the list of items. 428 return true; 429 } 430 431 @Override 432 public View focusSearch(int direction) { 433 // When the folder is focused, further focus search should be within the folder contents. 434 return FocusFinder.getInstance().findNextFocus(this, null, direction); 435 } 436 437 /** 438 * @return the FolderInfo object associated with this folder 439 */ 440 public FolderInfo getInfo() { 441 return mInfo; 442 } 443 444 void bind(FolderInfo info) { 445 mInfo = info; 446 ArrayList<ShortcutInfo> children = info.contents; 447 Collections.sort(children, ITEM_POS_COMPARATOR); 448 449 ArrayList<ShortcutInfo> overflow = mContent.bindItems(children); 450 451 // If our folder has too many items we prune them from the list. This is an issue 452 // when upgrading from the old Folders implementation which could contain an unlimited 453 // number of items. 454 // TODO: Remove this, as with multi-page folders, there will never be any overflow 455 for (ShortcutInfo item: overflow) { 456 mInfo.remove(item, false); 457 LauncherModel.deleteItemFromDatabase(mLauncher, item); 458 } 459 460 DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams(); 461 if (lp == null) { 462 lp = new DragLayer.LayoutParams(0, 0); 463 lp.customPosition = true; 464 setLayoutParams(lp); 465 } 466 centerAboutIcon(); 467 468 mItemsInvalidated = true; 469 updateTextViewFocus(); 470 mInfo.addListener(this); 471 472 if (!sDefaultFolderName.contentEquals(mInfo.title)) { 473 mFolderName.setText(mInfo.title); 474 } else { 475 mFolderName.setText(""); 476 } 477 478 // In case any children didn't come across during loading, clean up the folder accordingly 479 mFolderIcon.post(new Runnable() { 480 public void run() { 481 if (getItemCount() <= 1) { 482 replaceFolderWithFinalItem(); 483 } 484 } 485 }); 486 } 487 488 /** 489 * Creates a new UserFolder, inflated from R.layout.user_folder. 490 * 491 * @param launcher The main activity. 492 * 493 * @return A new UserFolder. 494 */ 495 @SuppressLint("InflateParams") 496 static Folder fromXml(Launcher launcher) { 497 return (Folder) launcher.getLayoutInflater().inflate( 498 FeatureFlags.LAUNCHER3_DISABLE_ICON_NORMALIZATION 499 ? R.layout.user_folder : R.layout.user_folder_icon_normalized, null); 500 } 501 502 /** 503 * This method is intended to make the UserFolder to be visually identical in size and position 504 * to its associated FolderIcon. This allows for a seamless transition into the expanded state. 505 */ 506 private void positionAndSizeAsIcon() { 507 if (!(getParent() instanceof DragLayer)) return; 508 setScaleX(0.8f); 509 setScaleY(0.8f); 510 setAlpha(0f); 511 mState = STATE_SMALL; 512 } 513 514 private void prepareReveal() { 515 setScaleX(1f); 516 setScaleY(1f); 517 setAlpha(1f); 518 mState = STATE_SMALL; 519 } 520 521 public void animateOpen() { 522 if (!(getParent() instanceof DragLayer)) return; 523 524 mContent.completePendingPageChanges(); 525 if (!mDragInProgress) { 526 // Open on the first page. 527 mContent.snapToPageImmediately(0); 528 } 529 530 // This is set to true in close(), but isn't reset to false until onDropCompleted(). This 531 // leads to an inconsistent state if you drag out of the folder and drag back in without 532 // dropping. One resulting issue is that replaceFolderWithFinalItem() can be called twice. 533 mDeleteFolderOnDropCompleted = false; 534 535 Animator openFolderAnim = null; 536 final Runnable onCompleteRunnable; 537 if (!Utilities.ATLEAST_LOLLIPOP) { 538 positionAndSizeAsIcon(); 539 centerAboutIcon(); 540 541 final ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(this, 1, 1, 1); 542 oa.setDuration(mExpandDuration); 543 openFolderAnim = oa; 544 545 setLayerType(LAYER_TYPE_HARDWARE, null); 546 onCompleteRunnable = new Runnable() { 547 @Override 548 public void run() { 549 setLayerType(LAYER_TYPE_NONE, null); 550 } 551 }; 552 } else { 553 prepareReveal(); 554 centerAboutIcon(); 555 556 AnimatorSet anim = LauncherAnimUtils.createAnimatorSet(); 557 int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth(); 558 int height = getFolderHeight(); 559 560 float transX = - 0.075f * (width / 2 - getPivotX()); 561 float transY = - 0.075f * (height / 2 - getPivotY()); 562 setTranslationX(transX); 563 setTranslationY(transY); 564 PropertyValuesHolder tx = PropertyValuesHolder.ofFloat(TRANSLATION_X, transX, 0); 565 PropertyValuesHolder ty = PropertyValuesHolder.ofFloat(TRANSLATION_Y, transY, 0); 566 567 Animator drift = ObjectAnimator.ofPropertyValuesHolder(this, tx, ty); 568 drift.setDuration(mMaterialExpandDuration); 569 drift.setStartDelay(mMaterialExpandStagger); 570 drift.setInterpolator(new LogDecelerateInterpolator(100, 0)); 571 572 int rx = (int) Math.max(Math.max(width - getPivotX(), 0), getPivotX()); 573 int ry = (int) Math.max(Math.max(height - getPivotY(), 0), getPivotY()); 574 float radius = (float) Math.hypot(rx, ry); 575 576 Animator reveal = new CircleRevealOutlineProvider((int) getPivotX(), 577 (int) getPivotY(), 0, radius).createRevealAnimator(this); 578 reveal.setDuration(mMaterialExpandDuration); 579 reveal.setInterpolator(new LogDecelerateInterpolator(100, 0)); 580 581 mContent.setAlpha(0f); 582 Animator iconsAlpha = ObjectAnimator.ofFloat(mContent, "alpha", 0f, 1f); 583 iconsAlpha.setDuration(mMaterialExpandDuration); 584 iconsAlpha.setStartDelay(mMaterialExpandStagger); 585 iconsAlpha.setInterpolator(new AccelerateInterpolator(1.5f)); 586 587 mFooter.setAlpha(0f); 588 Animator textAlpha = ObjectAnimator.ofFloat(mFooter, "alpha", 0f, 1f); 589 textAlpha.setDuration(mMaterialExpandDuration); 590 textAlpha.setStartDelay(mMaterialExpandStagger); 591 textAlpha.setInterpolator(new AccelerateInterpolator(1.5f)); 592 593 anim.play(drift); 594 anim.play(iconsAlpha); 595 anim.play(textAlpha); 596 anim.play(reveal); 597 598 openFolderAnim = anim; 599 600 mContent.setLayerType(LAYER_TYPE_HARDWARE, null); 601 mFooter.setLayerType(LAYER_TYPE_HARDWARE, null); 602 onCompleteRunnable = new Runnable() { 603 @Override 604 public void run() { 605 mContent.setLayerType(LAYER_TYPE_NONE, null); 606 mFooter.setLayerType(LAYER_TYPE_NONE, null); 607 mLauncher.getUserEventDispatcher().resetElapsedContainerMillis(); 608 } 609 }; 610 } 611 openFolderAnim.addListener(new AnimatorListenerAdapter() { 612 @Override 613 public void onAnimationStart(Animator animation) { 614 Utilities.sendCustomAccessibilityEvent( 615 Folder.this, 616 AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED, 617 mContent.getAccessibilityDescription()); 618 mState = STATE_ANIMATING; 619 } 620 @Override 621 public void onAnimationEnd(Animator animation) { 622 mState = STATE_OPEN; 623 624 onCompleteRunnable.run(); 625 mContent.setFocusOnFirstChild(); 626 } 627 }); 628 629 // Footer animation 630 if (mContent.getPageCount() > 1 && !mInfo.hasOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION)) { 631 int footerWidth = mContent.getDesiredWidth() 632 - mFooter.getPaddingLeft() - mFooter.getPaddingRight(); 633 634 float textWidth = mFolderName.getPaint().measureText(mFolderName.getText().toString()); 635 float translation = (footerWidth - textWidth) / 2; 636 mFolderName.setTranslationX(mContent.mIsRtl ? -translation : translation); 637 mPageIndicator.prepareEntryAnimation(); 638 639 // Do not update the flag if we are in drag mode. The flag will be updated, when we 640 // actually drop the icon. 641 final boolean updateAnimationFlag = !mDragInProgress; 642 openFolderAnim.addListener(new AnimatorListenerAdapter() { 643 644 @SuppressLint("InlinedApi") 645 @Override 646 public void onAnimationEnd(Animator animation) { 647 mFolderName.animate().setDuration(FOLDER_NAME_ANIMATION_DURATION) 648 .translationX(0) 649 .setInterpolator(Utilities.ATLEAST_LOLLIPOP ? 650 AnimationUtils.loadInterpolator(mLauncher, 651 android.R.interpolator.fast_out_slow_in) 652 : new LogDecelerateInterpolator(100, 0)); 653 mPageIndicator.playEntryAnimation(); 654 655 if (updateAnimationFlag) { 656 mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, true, mLauncher); 657 } 658 } 659 }); 660 } else { 661 mFolderName.setTranslationX(0); 662 } 663 664 mPageIndicator.stopAllAnimations(); 665 openFolderAnim.start(); 666 667 // Make sure the folder picks up the last drag move even if the finger doesn't move. 668 if (mDragController.isDragging()) { 669 mDragController.forceTouchMove(); 670 } 671 672 mContent.verifyVisibleHighResIcons(mContent.getNextPage()); 673 } 674 675 public void beginExternalDrag() { 676 mEmptyCellRank = mContent.allocateRankForNewItem(); 677 mIsExternalDrag = true; 678 mDragInProgress = true; 679 680 // Since this folder opened by another controller, it might not get onDrop or 681 // onDropComplete. Perform cleanup once drag-n-drop ends. 682 mDragController.addDragListener(this); 683 } 684 685 public void animateClosed() { 686 if (!(getParent() instanceof DragLayer)) return; 687 final ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(this, 0, 0.9f, 0.9f); 688 oa.addListener(new AnimatorListenerAdapter() { 689 @Override 690 public void onAnimationEnd(Animator animation) { 691 setLayerType(LAYER_TYPE_NONE, null); 692 close(true); 693 } 694 @Override 695 public void onAnimationStart(Animator animation) { 696 Utilities.sendCustomAccessibilityEvent( 697 Folder.this, 698 AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED, 699 getContext().getString(R.string.folder_closed)); 700 mState = STATE_ANIMATING; 701 } 702 }); 703 oa.setDuration(mExpandDuration); 704 setLayerType(LAYER_TYPE_HARDWARE, null); 705 oa.start(); 706 } 707 708 public void close(boolean wasAnimated) { 709 // TODO: Clear all active animations. 710 DragLayer parent = (DragLayer) getParent(); 711 if (parent != null) { 712 parent.removeView(this); 713 } 714 mDragController.removeDropTarget(this); 715 clearFocus(); 716 if (wasAnimated) { 717 mFolderIcon.requestFocus(); 718 } 719 720 if (mRearrangeOnClose) { 721 rearrangeChildren(); 722 mRearrangeOnClose = false; 723 } 724 if (getItemCount() <= 1) { 725 if (!mDragInProgress && !mSuppressFolderDeletion) { 726 replaceFolderWithFinalItem(); 727 } else if (mDragInProgress) { 728 mDeleteFolderOnDropCompleted = true; 729 } 730 } 731 mSuppressFolderDeletion = false; 732 clearDragInfo(); 733 mState = STATE_SMALL; 734 } 735 736 public boolean acceptDrop(DragObject d) { 737 final ItemInfo item = d.dragInfo; 738 final int itemType = item.itemType; 739 return ((itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION || 740 itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT || 741 itemType == LauncherSettings.Favorites.ITEM_TYPE_DEEP_SHORTCUT) && 742 !isFull()); 743 } 744 745 public void onDragEnter(DragObject d) { 746 mPrevTargetRank = -1; 747 mOnExitAlarm.cancelAlarm(); 748 // Get the area offset such that the folder only closes if half the drag icon width 749 // is outside the folder area 750 mScrollAreaOffset = d.dragView.getDragRegionWidth() / 2 - d.xOffset; 751 } 752 753 OnAlarmListener mReorderAlarmListener = new OnAlarmListener() { 754 public void onAlarm(Alarm alarm) { 755 mContent.realTimeReorder(mEmptyCellRank, mTargetRank); 756 mEmptyCellRank = mTargetRank; 757 } 758 }; 759 760 @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) 761 public boolean isLayoutRtl() { 762 return (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 763 } 764 765 @Override 766 public void onDragOver(DragObject d) { 767 onDragOver(d, REORDER_DELAY); 768 } 769 770 private int getTargetRank(DragObject d, float[] recycle) { 771 recycle = d.getVisualCenter(recycle); 772 return mContent.findNearestArea( 773 (int) recycle[0] - getPaddingLeft(), (int) recycle[1] - getPaddingTop()); 774 } 775 776 @Thunk void onDragOver(DragObject d, int reorderDelay) { 777 if (mScrollPauseAlarm.alarmPending()) { 778 return; 779 } 780 final float[] r = new float[2]; 781 mTargetRank = getTargetRank(d, r); 782 783 if (mTargetRank != mPrevTargetRank) { 784 mReorderAlarm.cancelAlarm(); 785 mReorderAlarm.setOnAlarmListener(mReorderAlarmListener); 786 mReorderAlarm.setAlarm(REORDER_DELAY); 787 mPrevTargetRank = mTargetRank; 788 789 if (d.stateAnnouncer != null) { 790 d.stateAnnouncer.announce(getContext().getString(R.string.move_to_position, 791 mTargetRank + 1)); 792 } 793 } 794 795 float x = r[0]; 796 int currentPage = mContent.getNextPage(); 797 798 float cellOverlap = mContent.getCurrentCellLayout().getCellWidth() 799 * ICON_OVERSCROLL_WIDTH_FACTOR; 800 boolean isOutsideLeftEdge = x < cellOverlap; 801 boolean isOutsideRightEdge = x > (getWidth() - cellOverlap); 802 803 if (currentPage > 0 && (mContent.mIsRtl ? isOutsideRightEdge : isOutsideLeftEdge)) { 804 showScrollHint(DragController.SCROLL_LEFT, d); 805 } else if (currentPage < (mContent.getPageCount() - 1) 806 && (mContent.mIsRtl ? isOutsideLeftEdge : isOutsideRightEdge)) { 807 showScrollHint(DragController.SCROLL_RIGHT, d); 808 } else { 809 mOnScrollHintAlarm.cancelAlarm(); 810 if (mScrollHintDir != DragController.SCROLL_NONE) { 811 mContent.clearScrollHint(); 812 mScrollHintDir = DragController.SCROLL_NONE; 813 } 814 } 815 } 816 817 private void showScrollHint(int direction, DragObject d) { 818 // Show scroll hint on the right 819 if (mScrollHintDir != direction) { 820 mContent.showScrollHint(direction); 821 mScrollHintDir = direction; 822 } 823 824 // Set alarm for when the hint is complete 825 if (!mOnScrollHintAlarm.alarmPending() || mCurrentScrollDir != direction) { 826 mCurrentScrollDir = direction; 827 mOnScrollHintAlarm.cancelAlarm(); 828 mOnScrollHintAlarm.setOnAlarmListener(new OnScrollHintListener(d)); 829 mOnScrollHintAlarm.setAlarm(SCROLL_HINT_DURATION); 830 831 mReorderAlarm.cancelAlarm(); 832 mTargetRank = mEmptyCellRank; 833 } 834 } 835 836 OnAlarmListener mOnExitAlarmListener = new OnAlarmListener() { 837 public void onAlarm(Alarm alarm) { 838 completeDragExit(); 839 } 840 }; 841 842 public void completeDragExit() { 843 if (mInfo.opened) { 844 mLauncher.closeFolder(); 845 mRearrangeOnClose = true; 846 } else if (mState == STATE_ANIMATING) { 847 mRearrangeOnClose = true; 848 } else { 849 rearrangeChildren(); 850 clearDragInfo(); 851 } 852 } 853 854 private void clearDragInfo() { 855 mCurrentDragView = null; 856 mIsExternalDrag = false; 857 } 858 859 public void onDragExit(DragObject d) { 860 // We only close the folder if this is a true drag exit, ie. not because 861 // a drop has occurred above the folder. 862 if (!d.dragComplete) { 863 mOnExitAlarm.setOnAlarmListener(mOnExitAlarmListener); 864 mOnExitAlarm.setAlarm(ON_EXIT_CLOSE_DELAY); 865 } 866 mReorderAlarm.cancelAlarm(); 867 868 mOnScrollHintAlarm.cancelAlarm(); 869 mScrollPauseAlarm.cancelAlarm(); 870 if (mScrollHintDir != DragController.SCROLL_NONE) { 871 mContent.clearScrollHint(); 872 mScrollHintDir = DragController.SCROLL_NONE; 873 } 874 } 875 876 /** 877 * When performing an accessibility drop, onDrop is sent immediately after onDragEnter. So we 878 * need to complete all transient states based on timers. 879 */ 880 @Override 881 public void prepareAccessibilityDrop() { 882 if (mReorderAlarm.alarmPending()) { 883 mReorderAlarm.cancelAlarm(); 884 mReorderAlarmListener.onAlarm(mReorderAlarm); 885 } 886 } 887 888 public void onDropCompleted(final View target, final DragObject d, 889 final boolean isFlingToDelete, final boolean success) { 890 if (mDeferDropAfterUninstall) { 891 Log.d(TAG, "Deferred handling drop because waiting for uninstall."); 892 mDeferredAction = new Runnable() { 893 public void run() { 894 onDropCompleted(target, d, isFlingToDelete, success); 895 mDeferredAction = null; 896 } 897 }; 898 return; 899 } 900 901 boolean beingCalledAfterUninstall = mDeferredAction != null; 902 boolean successfulDrop = 903 success && (!beingCalledAfterUninstall || mUninstallSuccessful); 904 905 if (successfulDrop) { 906 if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon && target != this) { 907 replaceFolderWithFinalItem(); 908 } 909 } else { 910 // The drag failed, we need to return the item to the folder 911 ShortcutInfo info = (ShortcutInfo) d.dragInfo; 912 View icon = (mCurrentDragView != null && mCurrentDragView.getTag() == info) 913 ? mCurrentDragView : mContent.createNewView(info); 914 ArrayList<View> views = getItemsInReadingOrder(); 915 views.add(info.rank, icon); 916 mContent.arrangeChildren(views, views.size()); 917 mItemsInvalidated = true; 918 919 try (SuppressInfoChanges s = new SuppressInfoChanges()) { 920 mFolderIcon.onDrop(d); 921 } 922 } 923 924 if (target != this) { 925 if (mOnExitAlarm.alarmPending()) { 926 mOnExitAlarm.cancelAlarm(); 927 if (!successfulDrop) { 928 mSuppressFolderDeletion = true; 929 } 930 mScrollPauseAlarm.cancelAlarm(); 931 completeDragExit(); 932 } 933 } 934 935 mDeleteFolderOnDropCompleted = false; 936 mDragInProgress = false; 937 mItemAddedBackToSelfViaIcon = false; 938 mCurrentDragView = null; 939 940 // Reordering may have occured, and we need to save the new item locations. We do this once 941 // at the end to prevent unnecessary database operations. 942 updateItemLocationsInDatabaseBatch(); 943 944 // Use the item count to check for multi-page as the folder UI may not have 945 // been refreshed yet. 946 if (getItemCount() <= mContent.itemsPerPage()) { 947 // Show the animation, next time something is added to the folder. 948 mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, false, mLauncher); 949 } 950 951 if (!isFlingToDelete) { 952 // Fling to delete already exits spring loaded mode after the animation finishes. 953 mLauncher.exitSpringLoadedDragModeDelayed(successfulDrop, 954 Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 955 } 956 } 957 958 @Override 959 public void deferCompleteDropAfterUninstallActivity() { 960 mDeferDropAfterUninstall = true; 961 } 962 963 @Override 964 public void onDragObjectRemoved(boolean success) { 965 mDeferDropAfterUninstall = false; 966 mUninstallSuccessful = success; 967 if (mDeferredAction != null) { 968 mDeferredAction.run(); 969 } 970 } 971 972 @Override 973 public float getIntrinsicIconScaleFactor() { 974 return 1f; 975 } 976 977 @Override 978 public boolean supportsFlingToDelete() { 979 return true; 980 } 981 982 @Override 983 public boolean supportsAppInfoDropTarget() { 984 return !FeatureFlags.LAUNCHER3_LEGACY_WORKSPACE_DND; 985 } 986 987 @Override 988 public boolean supportsDeleteDropTarget() { 989 return true; 990 } 991 992 @Override 993 public void onFlingToDelete(DragObject d, PointF vec) { 994 // Do nothing 995 } 996 997 @Override 998 public void onFlingToDeleteCompleted() { 999 // Do nothing 1000 } 1001 1002 private void updateItemLocationsInDatabaseBatch() { 1003 ArrayList<View> list = getItemsInReadingOrder(); 1004 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 1005 for (int i = 0; i < list.size(); i++) { 1006 View v = list.get(i); 1007 ItemInfo info = (ItemInfo) v.getTag(); 1008 info.rank = i; 1009 items.add(info); 1010 } 1011 1012 LauncherModel.moveItemsInDatabase(mLauncher, items, mInfo.id, 0); 1013 } 1014 1015 public void notifyDrop() { 1016 if (mDragInProgress) { 1017 mItemAddedBackToSelfViaIcon = true; 1018 } 1019 } 1020 1021 public boolean isDropEnabled() { 1022 return true; 1023 } 1024 1025 public boolean isFull() { 1026 return mContent.isFull(); 1027 } 1028 1029 private void centerAboutIcon() { 1030 DeviceProfile grid = mLauncher.getDeviceProfile(); 1031 1032 DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams(); 1033 DragLayer parent = (DragLayer) mLauncher.findViewById(R.id.drag_layer); 1034 int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth(); 1035 int height = getFolderHeight(); 1036 1037 float scale = parent.getDescendantRectRelativeToSelf(mFolderIcon, sTempRect); 1038 int centerX = sTempRect.centerX(); 1039 int centerY = sTempRect.centerY(); 1040 int centeredLeft = centerX - width / 2; 1041 int centeredTop = centerY - height / 2; 1042 1043 // We need to bound the folder to the currently visible workspace area 1044 mLauncher.getWorkspace().getPageAreaRelativeToDragLayer(sTempRect); 1045 int left = Math.min(Math.max(sTempRect.left, centeredLeft), 1046 sTempRect.right- width); 1047 int top = Math.min(Math.max(sTempRect.top, centeredTop), 1048 sTempRect.bottom - height); 1049 1050 int distFromEdgeOfScreen = mLauncher.getWorkspace().getPaddingLeft() + getPaddingLeft(); 1051 1052 if (grid.isPhone && (grid.availableWidthPx - width) < 4 * distFromEdgeOfScreen) { 1053 // Center the folder if it is very close to being centered anyway, by virtue of 1054 // filling the majority of the viewport. ie. remove it from the uncanny valley 1055 // of centeredness. 1056 left = (grid.availableWidthPx - width) / 2; 1057 } else if (width >= sTempRect.width()) { 1058 // If the folder doesn't fit within the bounds, center it about the desired bounds 1059 left = sTempRect.left + (sTempRect.width() - width) / 2; 1060 } 1061 if (height >= sTempRect.height()) { 1062 // Folder height is greater than page height, center on page 1063 top = sTempRect.top + (sTempRect.height() - height) / 2; 1064 } else { 1065 // Folder height is less than page height, so bound it to the absolute open folder 1066 // bounds if necessary 1067 Rect folderBounds = grid.getAbsoluteOpenFolderBounds(); 1068 left = Math.max(folderBounds.left, Math.min(left, folderBounds.right - width)); 1069 top = Math.max(folderBounds.top, Math.min(top, folderBounds.bottom - height)); 1070 } 1071 1072 int folderPivotX = width / 2 + (centeredLeft - left); 1073 int folderPivotY = height / 2 + (centeredTop - top); 1074 setPivotX(folderPivotX); 1075 setPivotY(folderPivotY); 1076 mFolderIconPivotX = (int) (mFolderIcon.getMeasuredWidth() * 1077 (1.0f * folderPivotX / width)); 1078 mFolderIconPivotY = (int) (mFolderIcon.getMeasuredHeight() * 1079 (1.0f * folderPivotY / height)); 1080 1081 lp.width = width; 1082 lp.height = height; 1083 lp.x = left; 1084 lp.y = top; 1085 } 1086 1087 public float getPivotXForIconAnimation() { 1088 return mFolderIconPivotX; 1089 } 1090 public float getPivotYForIconAnimation() { 1091 return mFolderIconPivotY; 1092 } 1093 1094 private int getContentAreaHeight() { 1095 DeviceProfile grid = mLauncher.getDeviceProfile(); 1096 int maxContentAreaHeight = grid.availableHeightPx 1097 - grid.getTotalWorkspacePadding().y - mFooterHeight; 1098 int height = Math.min(maxContentAreaHeight, 1099 mContent.getDesiredHeight()); 1100 return Math.max(height, MIN_CONTENT_DIMEN); 1101 } 1102 1103 private int getContentAreaWidth() { 1104 return Math.max(mContent.getDesiredWidth(), MIN_CONTENT_DIMEN); 1105 } 1106 1107 private int getFolderHeight() { 1108 return getFolderHeight(getContentAreaHeight()); 1109 } 1110 1111 private int getFolderHeight(int contentAreaHeight) { 1112 return getPaddingTop() + getPaddingBottom() + contentAreaHeight + mFooterHeight; 1113 } 1114 1115 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 1116 int contentWidth = getContentAreaWidth(); 1117 int contentHeight = getContentAreaHeight(); 1118 1119 int contentAreaWidthSpec = MeasureSpec.makeMeasureSpec(contentWidth, MeasureSpec.EXACTLY); 1120 int contentAreaHeightSpec = MeasureSpec.makeMeasureSpec(contentHeight, MeasureSpec.EXACTLY); 1121 1122 mContent.setFixedSize(contentWidth, contentHeight); 1123 mContent.measure(contentAreaWidthSpec, contentAreaHeightSpec); 1124 1125 if (mContent.getChildCount() > 0) { 1126 int cellIconGap = (mContent.getPageAt(0).getCellWidth() 1127 - mLauncher.getDeviceProfile().iconSizePx) / 2; 1128 mFooter.setPadding(mContent.getPaddingLeft() + cellIconGap, 1129 mFooter.getPaddingTop(), 1130 mContent.getPaddingRight() + cellIconGap, 1131 mFooter.getPaddingBottom()); 1132 } 1133 mFooter.measure(contentAreaWidthSpec, 1134 MeasureSpec.makeMeasureSpec(mFooterHeight, MeasureSpec.EXACTLY)); 1135 1136 int folderWidth = getPaddingLeft() + getPaddingRight() + contentWidth; 1137 int folderHeight = getFolderHeight(contentHeight); 1138 setMeasuredDimension(folderWidth, folderHeight); 1139 } 1140 1141 /** 1142 * Rearranges the children based on their rank. 1143 */ 1144 public void rearrangeChildren() { 1145 rearrangeChildren(-1); 1146 } 1147 1148 /** 1149 * Rearranges the children based on their rank. 1150 * @param itemCount if greater than the total children count, empty spaces are left at the end, 1151 * otherwise it is ignored. 1152 */ 1153 public void rearrangeChildren(int itemCount) { 1154 ArrayList<View> views = getItemsInReadingOrder(); 1155 mContent.arrangeChildren(views, Math.max(itemCount, views.size())); 1156 mItemsInvalidated = true; 1157 } 1158 1159 public int getItemCount() { 1160 return mContent.getItemCount(); 1161 } 1162 1163 @Thunk void replaceFolderWithFinalItem() { 1164 // Add the last remaining child to the workspace in place of the folder 1165 Runnable onCompleteRunnable = new Runnable() { 1166 @Override 1167 public void run() { 1168 int itemCount = mInfo.contents.size(); 1169 if (itemCount <= 1) { 1170 View newIcon = null; 1171 1172 if (itemCount == 1) { 1173 // Move the item from the folder to the workspace, in the position of the 1174 // folder 1175 CellLayout cellLayout = mLauncher.getCellLayout(mInfo.container, 1176 mInfo.screenId); 1177 ShortcutInfo finalItem = mInfo.contents.remove(0); 1178 newIcon = mLauncher.createShortcut(cellLayout, finalItem); 1179 LauncherModel.addOrMoveItemInDatabase(mLauncher, finalItem, mInfo.container, 1180 mInfo.screenId, mInfo.cellX, mInfo.cellY); 1181 } 1182 1183 // Remove the folder 1184 mLauncher.removeItem(mFolderIcon, mInfo, true /* deleteFromDb */); 1185 if (mFolderIcon instanceof DropTarget) { 1186 mDragController.removeDropTarget((DropTarget) mFolderIcon); 1187 } 1188 1189 if (newIcon != null) { 1190 // We add the child after removing the folder to prevent both from existing 1191 // at the same time in the CellLayout. We need to add the new item with 1192 // addInScreenFromBind() to ensure that hotseat items are placed correctly. 1193 mLauncher.getWorkspace().addInScreenFromBind(newIcon, mInfo.container, 1194 mInfo.screenId, mInfo.cellX, mInfo.cellY, mInfo.spanX, mInfo.spanY); 1195 1196 // Focus the newly created child 1197 newIcon.requestFocus(); 1198 } 1199 } 1200 } 1201 }; 1202 View finalChild = mContent.getLastItem(); 1203 if (finalChild != null) { 1204 mFolderIcon.performDestroyAnimation(finalChild, onCompleteRunnable); 1205 } else { 1206 onCompleteRunnable.run(); 1207 } 1208 mDestroyed = true; 1209 } 1210 1211 public boolean isDestroyed() { 1212 return mDestroyed; 1213 } 1214 1215 // This method keeps track of the first and last item in the folder for the purposes 1216 // of keyboard focus 1217 public void updateTextViewFocus() { 1218 final View firstChild = mContent.getFirstItem(); 1219 final View lastChild = mContent.getLastItem(); 1220 if (firstChild != null && lastChild != null) { 1221 mFolderName.setNextFocusDownId(lastChild.getId()); 1222 mFolderName.setNextFocusRightId(lastChild.getId()); 1223 mFolderName.setNextFocusLeftId(lastChild.getId()); 1224 mFolderName.setNextFocusUpId(lastChild.getId()); 1225 // Hitting TAB from the folder name wraps around to the first item on the current 1226 // folder page, and hitting SHIFT+TAB from that item wraps back to the folder name. 1227 mFolderName.setNextFocusForwardId(firstChild.getId()); 1228 // When clicking off the folder when editing the name, this Folder gains focus. When 1229 // pressing an arrow key from that state, give the focus to the first item. 1230 this.setNextFocusDownId(firstChild.getId()); 1231 this.setNextFocusRightId(firstChild.getId()); 1232 this.setNextFocusLeftId(firstChild.getId()); 1233 this.setNextFocusUpId(firstChild.getId()); 1234 // When pressing shift+tab in the above state, give the focus to the last item. 1235 setOnKeyListener(new OnKeyListener() { 1236 @Override 1237 public boolean onKey(View v, int keyCode, KeyEvent event) { 1238 boolean isShiftPlusTab = keyCode == KeyEvent.KEYCODE_TAB && 1239 event.hasModifiers(KeyEvent.META_SHIFT_ON); 1240 if (isShiftPlusTab && Folder.this.isFocused()) { 1241 return lastChild.requestFocus(); 1242 } 1243 return false; 1244 } 1245 }); 1246 } 1247 } 1248 1249 public void onDrop(DragObject d) { 1250 Runnable cleanUpRunnable = null; 1251 1252 // If we are coming from All Apps space, we defer removing the extra empty screen 1253 // until the folder closes 1254 if (d.dragSource != mLauncher.getWorkspace() && !(d.dragSource instanceof Folder)) { 1255 cleanUpRunnable = new Runnable() { 1256 @Override 1257 public void run() { 1258 mLauncher.exitSpringLoadedDragModeDelayed(true, 1259 Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, 1260 null); 1261 } 1262 }; 1263 } 1264 1265 // If the icon was dropped while the page was being scrolled, we need to compute 1266 // the target location again such that the icon is placed of the final page. 1267 if (!mContent.rankOnCurrentPage(mEmptyCellRank)) { 1268 // Reorder again. 1269 mTargetRank = getTargetRank(d, null); 1270 1271 // Rearrange items immediately. 1272 mReorderAlarmListener.onAlarm(mReorderAlarm); 1273 1274 mOnScrollHintAlarm.cancelAlarm(); 1275 mScrollPauseAlarm.cancelAlarm(); 1276 } 1277 mContent.completePendingPageChanges(); 1278 1279 View currentDragView; 1280 final ShortcutInfo si; 1281 if (d.dragInfo instanceof AppInfo) { 1282 // Came from all apps -- make a copy. 1283 si = ((AppInfo) d.dragInfo).makeShortcut(); 1284 } else { 1285 // ShortcutInfo 1286 si = (ShortcutInfo) d.dragInfo; 1287 } 1288 if (mIsExternalDrag) { 1289 currentDragView = mContent.createAndAddViewForRank(si, mEmptyCellRank); 1290 // Actually move the item in the database if it was an external drag. Call this 1291 // before creating the view, so that ShortcutInfo is updated appropriately. 1292 LauncherModel.addOrMoveItemInDatabase( 1293 mLauncher, si, mInfo.id, 0, si.cellX, si.cellY); 1294 1295 // We only need to update the locations if it doesn't get handled in #onDropCompleted. 1296 if (d.dragSource != this) { 1297 updateItemLocationsInDatabaseBatch(); 1298 } 1299 mIsExternalDrag = false; 1300 } else { 1301 currentDragView = mCurrentDragView; 1302 // The view was never removed from this folder if we are still in the pre-drag. 1303 if (!mDragController.isInPreDrag()) { 1304 mContent.addViewForRank(currentDragView, si, mEmptyCellRank); 1305 } 1306 } 1307 1308 if (d.dragView.hasDrawn()) { 1309 1310 // Temporarily reset the scale such that the animation target gets calculated correctly. 1311 float scaleX = getScaleX(); 1312 float scaleY = getScaleY(); 1313 setScaleX(1.0f); 1314 setScaleY(1.0f); 1315 mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, currentDragView, 1316 cleanUpRunnable, null); 1317 setScaleX(scaleX); 1318 setScaleY(scaleY); 1319 } else { 1320 d.deferDragViewCleanupPostAnimation = false; 1321 currentDragView.setVisibility(VISIBLE); 1322 } 1323 mItemsInvalidated = true; 1324 rearrangeChildren(); 1325 1326 // The ShortcutInfo was never removed if we are still in the pre-drag. 1327 if (!mDragController.isInPreDrag()) { 1328 // Temporarily suppress the listener, as we did all the work already here. 1329 try (SuppressInfoChanges s = new SuppressInfoChanges()) { 1330 mInfo.add(si, false); 1331 } 1332 } 1333 1334 // Clear the drag info, as it is no longer being dragged. 1335 mDragInProgress = false; 1336 1337 if (mContent.getPageCount() > 1) { 1338 // The animation has already been shown while opening the folder. 1339 mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, true, mLauncher); 1340 } 1341 } 1342 1343 // This is used so the item doesn't immediately appear in the folder when added. In one case 1344 // we need to create the illusion that the item isn't added back to the folder yet, to 1345 // to correspond to the animation of the icon back into the folder. This is 1346 public void hideItem(ShortcutInfo info) { 1347 View v = getViewForInfo(info); 1348 v.setVisibility(INVISIBLE); 1349 } 1350 public void showItem(ShortcutInfo info) { 1351 View v = getViewForInfo(info); 1352 v.setVisibility(VISIBLE); 1353 } 1354 1355 @Override 1356 public void onAdd(ShortcutInfo item) { 1357 mContent.createAndAddViewForRank(item, mContent.allocateRankForNewItem()); 1358 mItemsInvalidated = true; 1359 LauncherModel.addOrMoveItemInDatabase( 1360 mLauncher, item, mInfo.id, 0, item.cellX, item.cellY); 1361 } 1362 1363 public void onRemove(ShortcutInfo item) { 1364 mItemsInvalidated = true; 1365 View v = getViewForInfo(item); 1366 mContent.removeItem(v); 1367 if (mState == STATE_ANIMATING) { 1368 mRearrangeOnClose = true; 1369 } else { 1370 rearrangeChildren(); 1371 } 1372 if (getItemCount() <= 1) { 1373 if (mInfo.opened) { 1374 mLauncher.closeFolder(this, true); 1375 } else { 1376 replaceFolderWithFinalItem(); 1377 } 1378 } 1379 } 1380 1381 private View getViewForInfo(final ShortcutInfo item) { 1382 return mContent.iterateOverItems(new ItemOperator() { 1383 1384 @Override 1385 public boolean evaluate(ItemInfo info, View view) { 1386 return info == item; 1387 } 1388 }); 1389 } 1390 1391 @Override 1392 public void onItemsChanged(boolean animate) { 1393 updateTextViewFocus(); 1394 } 1395 1396 public void onTitleChanged(CharSequence title) { 1397 } 1398 1399 public ArrayList<View> getItemsInReadingOrder() { 1400 if (mItemsInvalidated) { 1401 mItemsInReadingOrder.clear(); 1402 mContent.iterateOverItems(new ItemOperator() { 1403 1404 @Override 1405 public boolean evaluate(ItemInfo info, View view) { 1406 mItemsInReadingOrder.add(view); 1407 return false; 1408 } 1409 }); 1410 mItemsInvalidated = false; 1411 } 1412 return mItemsInReadingOrder; 1413 } 1414 1415 public void onFocusChange(View v, boolean hasFocus) { 1416 if (v == mFolderName) { 1417 if (hasFocus) { 1418 startEditingFolderName(); 1419 } else { 1420 dismissEditingName(); 1421 } 1422 } 1423 } 1424 1425 @Override 1426 public void getHitRectRelativeToDragLayer(Rect outRect) { 1427 getHitRect(outRect); 1428 outRect.left -= mScrollAreaOffset; 1429 outRect.right += mScrollAreaOffset; 1430 } 1431 1432 @Override 1433 public void fillInLaunchSourceData(View v, ItemInfo info, Target target, Target targetParent) { 1434 target.gridX = info.cellX; 1435 target.gridY = info.cellY; 1436 target.pageIndex = mContent.getCurrentPage(); 1437 targetParent.containerType = LauncherLogProto.FOLDER; 1438 } 1439 1440 private class OnScrollHintListener implements OnAlarmListener { 1441 1442 private final DragObject mDragObject; 1443 1444 OnScrollHintListener(DragObject object) { 1445 mDragObject = object; 1446 } 1447 1448 /** 1449 * Scroll hint has been shown long enough. Now scroll to appropriate page. 1450 */ 1451 @Override 1452 public void onAlarm(Alarm alarm) { 1453 if (mCurrentScrollDir == DragController.SCROLL_LEFT) { 1454 mContent.scrollLeft(); 1455 mScrollHintDir = DragController.SCROLL_NONE; 1456 } else if (mCurrentScrollDir == DragController.SCROLL_RIGHT) { 1457 mContent.scrollRight(); 1458 mScrollHintDir = DragController.SCROLL_NONE; 1459 } else { 1460 // This should not happen 1461 return; 1462 } 1463 mCurrentScrollDir = DragController.SCROLL_NONE; 1464 1465 // Pause drag event until the scrolling is finished 1466 mScrollPauseAlarm.setOnAlarmListener(new OnScrollFinishedListener(mDragObject)); 1467 mScrollPauseAlarm.setAlarm(DragController.RESCROLL_DELAY); 1468 } 1469 } 1470 1471 private class OnScrollFinishedListener implements OnAlarmListener { 1472 1473 private final DragObject mDragObject; 1474 1475 OnScrollFinishedListener(DragObject object) { 1476 mDragObject = object; 1477 } 1478 1479 /** 1480 * Page scroll is complete. 1481 */ 1482 @Override 1483 public void onAlarm(Alarm alarm) { 1484 // Reorder immediately on page change. 1485 onDragOver(mDragObject, 1); 1486 } 1487 } 1488 1489 // Compares item position based on rank and position giving priority to the rank. 1490 public static final Comparator<ItemInfo> ITEM_POS_COMPARATOR = new Comparator<ItemInfo>() { 1491 1492 @Override 1493 public int compare(ItemInfo lhs, ItemInfo rhs) { 1494 if (lhs.rank != rhs.rank) { 1495 return lhs.rank - rhs.rank; 1496 } else if (lhs.cellY != rhs.cellY) { 1497 return lhs.cellY - rhs.cellY; 1498 } else { 1499 return lhs.cellX - rhs.cellX; 1500 } 1501 } 1502 }; 1503 1504 /** 1505 * Temporary resource held while we don't want to handle info changes 1506 */ 1507 private class SuppressInfoChanges implements AutoCloseable { 1508 1509 SuppressInfoChanges() { 1510 mInfo.removeListener(Folder.this); 1511 } 1512 1513 @Override 1514 public void close() { 1515 mInfo.addListener(Folder.this); 1516 updateTextViewFocus(); 1517 } 1518 } 1519} 1520