Folder.java revision aa953654279d7cca29682d85111e398ea1f20390
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.Point; 29import android.graphics.PointF; 30import android.graphics.Rect; 31import android.os.Build; 32import android.text.InputType; 33import android.text.Selection; 34import android.text.Spannable; 35import android.util.AttributeSet; 36import android.util.Log; 37import android.view.ActionMode; 38import android.view.FocusFinder; 39import android.view.KeyEvent; 40import android.view.Menu; 41import android.view.MenuItem; 42import android.view.MotionEvent; 43import android.view.View; 44import android.view.ViewDebug; 45import android.view.accessibility.AccessibilityEvent; 46import android.view.accessibility.AccessibilityManager; 47import android.view.animation.AccelerateInterpolator; 48import android.view.animation.AnimationUtils; 49import android.view.inputmethod.EditorInfo; 50import android.view.inputmethod.InputMethodManager; 51import android.widget.LinearLayout; 52import android.widget.TextView; 53 54import com.android.launcher3.Alarm; 55import com.android.launcher3.CellLayout; 56import com.android.launcher3.CellLayout.CellInfo; 57import com.android.launcher3.DeviceProfile; 58import com.android.launcher3.DragSource; 59import com.android.launcher3.DropTarget; 60import com.android.launcher3.ExtendedEditText; 61import com.android.launcher3.FolderInfo; 62import com.android.launcher3.FolderInfo.FolderListener; 63import com.android.launcher3.ItemInfo; 64import com.android.launcher3.Launcher; 65import com.android.launcher3.LauncherAnimUtils; 66import com.android.launcher3.LauncherModel; 67import com.android.launcher3.LauncherSettings; 68import com.android.launcher3.LogDecelerateInterpolator; 69import com.android.launcher3.OnAlarmListener; 70import com.android.launcher3.R; 71import com.android.launcher3.ShortcutInfo; 72import com.android.launcher3.UninstallDropTarget.DropTargetSource; 73import com.android.launcher3.Utilities; 74import com.android.launcher3.Workspace.ItemOperator; 75import com.android.launcher3.accessibility.LauncherAccessibilityDelegate.AccessibilityDragSource; 76import com.android.launcher3.config.FeatureFlags; 77import com.android.launcher3.dragndrop.DragController; 78import com.android.launcher3.dragndrop.DragController.DragListener; 79import com.android.launcher3.dragndrop.DragLayer; 80import com.android.launcher3.logging.UserEventDispatcher.LaunchSourceProvider; 81import com.android.launcher3.userevent.nano.LauncherLogProto; 82import com.android.launcher3.userevent.nano.LauncherLogProto.Target; 83import com.android.launcher3.util.Thunk; 84import com.android.launcher3.util.UiThreadCircularReveal; 85 86import java.util.ArrayList; 87import java.util.Collections; 88import java.util.Comparator; 89 90/** 91 * Represents a set of icons chosen by the user or generated by the system. 92 */ 93public class Folder extends LinearLayout implements DragSource, View.OnClickListener, 94 View.OnLongClickListener, DropTarget, FolderListener, TextView.OnEditorActionListener, 95 View.OnFocusChangeListener, DragListener, DropTargetSource, AccessibilityDragSource, 96 LaunchSourceProvider { 97 private static final String TAG = "Launcher.Folder"; 98 99 /** 100 * We avoid measuring {@link #mContentWrapper} 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 @Thunk View mContentWrapper; 150 public ExtendedEditText mFolderName; 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 ShortcutInfo mCurrentDragInfo; 170 private View mCurrentDragView; 171 private boolean mIsExternalDrag; 172 boolean mSuppressOnAdd = false; 173 private boolean mDragInProgress = false; 174 private boolean mDeleteFolderOnDropCompleted = false; 175 private boolean mSuppressFolderDeletion = false; 176 private boolean mItemAddedBackToSelfViaIcon = false; 177 @Thunk float mFolderIconPivotX; 178 @Thunk float mFolderIconPivotY; 179 private boolean mIsEditingName = false; 180 181 @ViewDebug.ExportedProperty(category = "launcher") 182 private boolean mDestroyed; 183 184 @Thunk Runnable mDeferredAction; 185 private boolean mDeferDropAfterUninstall; 186 private boolean mUninstallSuccessful; 187 188 // Folder scrolling 189 private int mScrollAreaOffset; 190 191 @Thunk int mScrollHintDir = DragController.SCROLL_NONE; 192 @Thunk int mCurrentScrollDir = DragController.SCROLL_NONE; 193 194 /** 195 * Used to inflate the Workspace from XML. 196 * 197 * @param context The application's context. 198 * @param attrs The attributes set containing the Workspace's customization values. 199 */ 200 public Folder(Context context, AttributeSet attrs) { 201 super(context, attrs); 202 setAlwaysDrawnWithCacheEnabled(false); 203 mInputMethodManager = (InputMethodManager) 204 getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 205 206 Resources res = getResources(); 207 mExpandDuration = res.getInteger(R.integer.config_folderExpandDuration); 208 mMaterialExpandDuration = res.getInteger(R.integer.config_materialFolderExpandDuration); 209 mMaterialExpandStagger = res.getInteger(R.integer.config_materialFolderExpandStagger); 210 211 if (sDefaultFolderName == null) { 212 sDefaultFolderName = res.getString(R.string.folder_name); 213 } 214 if (sHintText == null) { 215 sHintText = res.getString(R.string.folder_hint_text); 216 } 217 mLauncher = (Launcher) context; 218 // We need this view to be focusable in touch mode so that when text editing of the folder 219 // name is complete, we have something to focus on, thus hiding the cursor and giving 220 // reliable behavior when clicking the text field (since it will always gain focus on click). 221 setFocusableInTouchMode(true); 222 } 223 224 @Override 225 protected void onFinishInflate() { 226 super.onFinishInflate(); 227 mContentWrapper = findViewById(R.id.folder_content_wrapper); 228 mContent = (FolderPagedView) findViewById(R.id.folder_content); 229 mContent.setFolder(this); 230 231 mFolderName = (ExtendedEditText) findViewById(R.id.folder_name); 232 mFolderName.setOnBackKeyListener(new ExtendedEditText.OnBackKeyListener() { 233 @Override 234 public boolean onBackKey() { 235 // Close the activity on back key press 236 doneEditingFolderName(true); 237 return false; 238 } 239 }); 240 mFolderName.setOnFocusChangeListener(this); 241 242 if (!Utilities.ATLEAST_MARSHMALLOW) { 243 // We disable action mode in older OSes where floating selection menu is not yet 244 // available. 245 mFolderName.setCustomSelectionActionModeCallback(new ActionMode.Callback() { 246 public boolean onActionItemClicked(ActionMode mode, MenuItem item) { 247 return false; 248 } 249 250 public boolean onCreateActionMode(ActionMode mode, Menu menu) { 251 return false; 252 } 253 254 public void onDestroyActionMode(ActionMode mode) { 255 } 256 257 public boolean onPrepareActionMode(ActionMode mode, Menu menu) { 258 return false; 259 } 260 }); 261 } 262 mFolderName.setOnEditorActionListener(this); 263 mFolderName.setSelectAllOnFocus(true); 264 mFolderName.setInputType(mFolderName.getInputType() | 265 InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS | InputType.TYPE_TEXT_FLAG_CAP_WORDS); 266 267 mFooter = findViewById(R.id.folder_footer); 268 269 // We find out how tall footer wants to be (it is set to wrap_content), so that 270 // we can allocate the appropriate amount of space for it. 271 int measureSpec = MeasureSpec.UNSPECIFIED; 272 mFooter.measure(measureSpec, measureSpec); 273 mFooterHeight = mFooter.getMeasuredHeight(); 274 } 275 276 public void onClick(View v) { 277 Object tag = v.getTag(); 278 if (tag instanceof ShortcutInfo) { 279 mLauncher.onClick(v); 280 } 281 } 282 283 public boolean onLongClick(View v) { 284 // Return if global dragging is not enabled 285 if (!mLauncher.isDraggingEnabled()) return true; 286 return beginDrag(v, false); 287 } 288 289 private boolean beginDrag(View v, boolean accessible) { 290 Object tag = v.getTag(); 291 if (tag instanceof ShortcutInfo) { 292 ShortcutInfo item = (ShortcutInfo) tag; 293 if (!v.isInTouchMode()) { 294 return false; 295 } 296 297 mLauncher.getWorkspace().beginDragShared(v, new Point(), this, accessible); 298 299 mCurrentDragInfo = item; 300 mEmptyCellRank = item.rank; 301 mCurrentDragView = v; 302 303 mContent.removeItem(mCurrentDragView); 304 mInfo.remove(mCurrentDragInfo, true); 305 mDragInProgress = true; 306 mItemAddedBackToSelfViaIcon = false; 307 } 308 return true; 309 } 310 311 @Override 312 public void startDrag(CellInfo cellInfo, boolean accessible) { 313 beginDrag(cellInfo.cell, accessible); 314 } 315 316 @Override 317 public void enableAccessibleDrag(boolean enable) { 318 mLauncher.getSearchDropTargetBar().enableAccessibleDrag(enable); 319 for (int i = 0; i < mContent.getChildCount(); i++) { 320 mContent.getPageAt(i).enableAccessibleDrag(enable, CellLayout.FOLDER_ACCESSIBILITY_DRAG); 321 } 322 323 mFooter.setImportantForAccessibility(enable ? IMPORTANT_FOR_ACCESSIBILITY_NO_HIDE_DESCENDANTS : 324 IMPORTANT_FOR_ACCESSIBILITY_AUTO); 325 mLauncher.getWorkspace().setAddNewPageOnDrag(!enable); 326 } 327 328 public boolean isEditingName() { 329 return mIsEditingName; 330 } 331 332 public void startEditingFolderName() { 333 mFolderName.setHint(""); 334 mIsEditingName = true; 335 } 336 337 public void dismissEditingName() { 338 mInputMethodManager.hideSoftInputFromWindow(getWindowToken(), 0); 339 doneEditingFolderName(true); 340 } 341 342 public void doneEditingFolderName(boolean commit) { 343 mFolderName.setHint(sHintText); 344 // Convert to a string here to ensure that no other state associated with the text field 345 // gets saved. 346 String newTitle = mFolderName.getText().toString(); 347 mInfo.setTitle(newTitle); 348 LauncherModel.updateItemInDatabase(mLauncher, mInfo); 349 350 if (commit) { 351 sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED, 352 getContext().getString(R.string.folder_renamed, newTitle)); 353 } 354 355 // This ensures that focus is gained every time the field is clicked, which selects all 356 // the text and brings up the soft keyboard if necessary. 357 mFolderName.clearFocus(); 358 359 Selection.setSelection((Spannable) mFolderName.getText(), 0, 0); 360 mIsEditingName = false; 361 } 362 363 public boolean onEditorAction(TextView v, int actionId, KeyEvent event) { 364 if (actionId == EditorInfo.IME_ACTION_DONE) { 365 dismissEditingName(); 366 return true; 367 } 368 return false; 369 } 370 371 public View getEditTextRegion() { 372 return mFolderName; 373 } 374 375 /** 376 * We need to handle touch events to prevent them from falling through to the workspace below. 377 */ 378 @SuppressLint("ClickableViewAccessibility") 379 @Override 380 public boolean onTouchEvent(MotionEvent ev) { 381 return true; 382 } 383 384 public void setDragController(DragController dragController) { 385 mDragController = dragController; 386 } 387 388 public void setFolderIcon(FolderIcon icon) { 389 mFolderIcon = icon; 390 } 391 392 @Override 393 protected void onAttachedToWindow() { 394 // requestFocus() causes the focus onto the folder itself, which doesn't cause visual 395 // effect but the next arrow key can start the keyboard focus inside of the folder, not 396 // the folder itself. 397 requestFocus(); 398 super.onAttachedToWindow(); 399 } 400 401 @Override 402 public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) { 403 // When the folder gets focus, we don't want to announce the list of items. 404 return true; 405 } 406 407 @Override 408 public View focusSearch(int direction) { 409 // When the folder is focused, further focus search should be within the folder contents. 410 return FocusFinder.getInstance().findNextFocus(this, null, direction); 411 } 412 413 /** 414 * @return the FolderInfo object associated with this folder 415 */ 416 public FolderInfo getInfo() { 417 return mInfo; 418 } 419 420 void bind(FolderInfo info) { 421 mInfo = info; 422 ArrayList<ShortcutInfo> children = info.contents; 423 Collections.sort(children, ITEM_POS_COMPARATOR); 424 425 ArrayList<ShortcutInfo> overflow = mContent.bindItems(children); 426 427 // If our folder has too many items we prune them from the list. This is an issue 428 // when upgrading from the old Folders implementation which could contain an unlimited 429 // number of items. 430 // TODO: Remove this, as with multi-page folders, there will never be any overflow 431 for (ShortcutInfo item: overflow) { 432 mInfo.remove(item, false); 433 LauncherModel.deleteItemFromDatabase(mLauncher, item); 434 } 435 436 DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams(); 437 if (lp == null) { 438 lp = new DragLayer.LayoutParams(0, 0); 439 lp.customPosition = true; 440 setLayoutParams(lp); 441 } 442 centerAboutIcon(); 443 444 mItemsInvalidated = true; 445 updateTextViewFocus(); 446 mInfo.addListener(this); 447 448 if (!sDefaultFolderName.contentEquals(mInfo.title)) { 449 mFolderName.setText(mInfo.title); 450 } else { 451 mFolderName.setText(""); 452 } 453 454 // In case any children didn't come across during loading, clean up the folder accordingly 455 mFolderIcon.post(new Runnable() { 456 public void run() { 457 if (getItemCount() <= 1) { 458 replaceFolderWithFinalItem(); 459 } 460 } 461 }); 462 } 463 464 /** 465 * Creates a new UserFolder, inflated from R.layout.user_folder. 466 * 467 * @param launcher The main activity. 468 * 469 * @return A new UserFolder. 470 */ 471 @SuppressLint("InflateParams") 472 static Folder fromXml(Launcher launcher) { 473 return (Folder) launcher.getLayoutInflater().inflate( 474 FeatureFlags.LAUNCHER3_DISABLE_ICON_NORMALIZATION 475 ? R.layout.user_folder : R.layout.user_folder_icon_normalized, null); 476 } 477 478 /** 479 * This method is intended to make the UserFolder to be visually identical in size and position 480 * to its associated FolderIcon. This allows for a seamless transition into the expanded state. 481 */ 482 private void positionAndSizeAsIcon() { 483 if (!(getParent() instanceof DragLayer)) return; 484 setScaleX(0.8f); 485 setScaleY(0.8f); 486 setAlpha(0f); 487 mState = STATE_SMALL; 488 } 489 490 private void prepareReveal() { 491 setScaleX(1f); 492 setScaleY(1f); 493 setAlpha(1f); 494 mState = STATE_SMALL; 495 } 496 497 public void animateOpen() { 498 if (!(getParent() instanceof DragLayer)) return; 499 500 mContent.completePendingPageChanges(); 501 if (!mDragInProgress) { 502 // Open on the first page. 503 mContent.snapToPageImmediately(0); 504 } 505 506 // This is set to true in close(), but isn't reset to false until onDropCompleted(). This 507 // leads to an consistent state if you drag out of the folder and drag back in without 508 // dropping. One resulting issue is that replaceFolderWithFinalItem() can be called twice. 509 mDeleteFolderOnDropCompleted = false; 510 511 Animator openFolderAnim = null; 512 final Runnable onCompleteRunnable; 513 if (!Utilities.ATLEAST_LOLLIPOP) { 514 positionAndSizeAsIcon(); 515 centerAboutIcon(); 516 517 final ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(this, 1, 1, 1); 518 oa.setDuration(mExpandDuration); 519 openFolderAnim = oa; 520 521 setLayerType(LAYER_TYPE_HARDWARE, null); 522 onCompleteRunnable = new Runnable() { 523 @Override 524 public void run() { 525 setLayerType(LAYER_TYPE_NONE, null); 526 } 527 }; 528 } else { 529 prepareReveal(); 530 centerAboutIcon(); 531 532 AnimatorSet anim = LauncherAnimUtils.createAnimatorSet(); 533 int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth(); 534 int height = getFolderHeight(); 535 536 float transX = - 0.075f * (width / 2 - getPivotX()); 537 float transY = - 0.075f * (height / 2 - getPivotY()); 538 setTranslationX(transX); 539 setTranslationY(transY); 540 PropertyValuesHolder tx = PropertyValuesHolder.ofFloat(TRANSLATION_X, transX, 0); 541 PropertyValuesHolder ty = PropertyValuesHolder.ofFloat(TRANSLATION_Y, transY, 0); 542 543 Animator drift = ObjectAnimator.ofPropertyValuesHolder(this, tx, ty); 544 drift.setDuration(mMaterialExpandDuration); 545 drift.setStartDelay(mMaterialExpandStagger); 546 drift.setInterpolator(new LogDecelerateInterpolator(100, 0)); 547 548 int rx = (int) Math.max(Math.max(width - getPivotX(), 0), getPivotX()); 549 int ry = (int) Math.max(Math.max(height - getPivotY(), 0), getPivotY()); 550 float radius = (float) Math.hypot(rx, ry); 551 552 Animator reveal = UiThreadCircularReveal.createCircularReveal(this, (int) getPivotX(), 553 (int) getPivotY(), 0, radius); 554 reveal.setDuration(mMaterialExpandDuration); 555 reveal.setInterpolator(new LogDecelerateInterpolator(100, 0)); 556 557 mContentWrapper.setAlpha(0f); 558 Animator iconsAlpha = ObjectAnimator.ofFloat(mContentWrapper, "alpha", 0f, 1f); 559 iconsAlpha.setDuration(mMaterialExpandDuration); 560 iconsAlpha.setStartDelay(mMaterialExpandStagger); 561 iconsAlpha.setInterpolator(new AccelerateInterpolator(1.5f)); 562 563 mFooter.setAlpha(0f); 564 Animator textAlpha = ObjectAnimator.ofFloat(mFooter, "alpha", 0f, 1f); 565 textAlpha.setDuration(mMaterialExpandDuration); 566 textAlpha.setStartDelay(mMaterialExpandStagger); 567 textAlpha.setInterpolator(new AccelerateInterpolator(1.5f)); 568 569 anim.play(drift); 570 anim.play(iconsAlpha); 571 anim.play(textAlpha); 572 anim.play(reveal); 573 574 openFolderAnim = anim; 575 576 mContentWrapper.setLayerType(LAYER_TYPE_HARDWARE, null); 577 mFooter.setLayerType(LAYER_TYPE_HARDWARE, null); 578 onCompleteRunnable = new Runnable() { 579 @Override 580 public void run() { 581 mContentWrapper.setLayerType(LAYER_TYPE_NONE, null); 582 mFooter.setLayerType(LAYER_TYPE_NONE, null); 583 } 584 }; 585 } 586 openFolderAnim.addListener(new AnimatorListenerAdapter() { 587 @Override 588 public void onAnimationStart(Animator animation) { 589 sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED, 590 mContent.getAccessibilityDescription()); 591 mState = STATE_ANIMATING; 592 } 593 @Override 594 public void onAnimationEnd(Animator animation) { 595 mState = STATE_OPEN; 596 597 onCompleteRunnable.run(); 598 mContent.setFocusOnFirstChild(); 599 } 600 }); 601 602 // Footer animation 603 if (mContent.getPageCount() > 1 && !mInfo.hasOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION)) { 604 int footerWidth = mContent.getDesiredWidth() 605 - mFooter.getPaddingLeft() - mFooter.getPaddingRight(); 606 607 float textWidth = mFolderName.getPaint().measureText(mFolderName.getText().toString()); 608 float translation = (footerWidth - textWidth) / 2; 609 mFolderName.setTranslationX(mContent.mIsRtl ? -translation : translation); 610 mContent.setMarkerScale(0); 611 612 // Do not update the flag if we are in drag mode. The flag will be updated, when we 613 // actually drop the icon. 614 final boolean updateAnimationFlag = !mDragInProgress; 615 openFolderAnim.addListener(new AnimatorListenerAdapter() { 616 617 @SuppressLint("InlinedApi") 618 @Override 619 public void onAnimationEnd(Animator animation) { 620 mFolderName.animate().setDuration(FOLDER_NAME_ANIMATION_DURATION) 621 .translationX(0) 622 .setInterpolator(Utilities.ATLEAST_LOLLIPOP ? 623 AnimationUtils.loadInterpolator(mLauncher, 624 android.R.interpolator.fast_out_slow_in) 625 : new LogDecelerateInterpolator(100, 0)); 626 mContent.animateMarkers(); 627 628 if (updateAnimationFlag) { 629 mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, true, mLauncher); 630 } 631 } 632 }); 633 } else { 634 mFolderName.setTranslationX(0); 635 mContent.setMarkerScale(1); 636 } 637 638 openFolderAnim.start(); 639 640 // Make sure the folder picks up the last drag move even if the finger doesn't move. 641 if (mDragController.isDragging()) { 642 mDragController.forceTouchMove(); 643 } 644 645 mContent.verifyVisibleHighResIcons(mContent.getNextPage()); 646 } 647 648 public void beginExternalDrag(ShortcutInfo item) { 649 mCurrentDragInfo = item; 650 mEmptyCellRank = mContent.allocateRankForNewItem(item); 651 mIsExternalDrag = true; 652 mDragInProgress = true; 653 654 // Since this folder opened by another controller, it might not get onDrop or 655 // onDropComplete. Perform cleanup once drag-n-drop ends. 656 mDragController.addDragListener(this); 657 } 658 659 @Override 660 public void onDragStart(DragSource source, ItemInfo info, int dragAction) { } 661 662 @Override 663 public void onDragEnd() { 664 if (mIsExternalDrag && mDragInProgress) { 665 completeDragExit(); 666 } 667 mDragController.removeDragListener(this); 668 } 669 670 @Thunk void sendCustomAccessibilityEvent(int type, String text) { 671 AccessibilityManager accessibilityManager = (AccessibilityManager) 672 getContext().getSystemService(Context.ACCESSIBILITY_SERVICE); 673 if (accessibilityManager.isEnabled()) { 674 AccessibilityEvent event = AccessibilityEvent.obtain(type); 675 onInitializeAccessibilityEvent(event); 676 event.getText().add(text); 677 accessibilityManager.sendAccessibilityEvent(event); 678 } 679 } 680 681 public void animateClosed() { 682 if (!(getParent() instanceof DragLayer)) return; 683 final ObjectAnimator oa = LauncherAnimUtils.ofViewAlphaAndScale(this, 0, 0.9f, 0.9f); 684 oa.addListener(new AnimatorListenerAdapter() { 685 @Override 686 public void onAnimationEnd(Animator animation) { 687 setLayerType(LAYER_TYPE_NONE, null); 688 close(true); 689 } 690 @Override 691 public void onAnimationStart(Animator animation) { 692 sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED, 693 getContext().getString(R.string.folder_closed)); 694 mState = STATE_ANIMATING; 695 } 696 }); 697 oa.setDuration(mExpandDuration); 698 setLayerType(LAYER_TYPE_HARDWARE, null); 699 oa.start(); 700 } 701 702 public void close(boolean wasAnimated) { 703 // TODO: Clear all active animations. 704 DragLayer parent = (DragLayer) getParent(); 705 if (parent != null) { 706 parent.removeView(this); 707 } 708 mDragController.removeDropTarget(this); 709 clearFocus(); 710 if (wasAnimated) { 711 mFolderIcon.requestFocus(); 712 } 713 714 if (mRearrangeOnClose) { 715 rearrangeChildren(); 716 mRearrangeOnClose = false; 717 } 718 if (getItemCount() <= 1) { 719 if (!mDragInProgress && !mSuppressFolderDeletion) { 720 replaceFolderWithFinalItem(); 721 } else if (mDragInProgress) { 722 mDeleteFolderOnDropCompleted = true; 723 } 724 } 725 mSuppressFolderDeletion = false; 726 clearDragInfo(); 727 mState = STATE_SMALL; 728 } 729 730 public boolean acceptDrop(DragObject d) { 731 final ItemInfo item = d.dragInfo; 732 final int itemType = item.itemType; 733 return ((itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION || 734 itemType == LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT) && 735 !isFull()); 736 } 737 738 public void onDragEnter(DragObject d) { 739 mPrevTargetRank = -1; 740 mOnExitAlarm.cancelAlarm(); 741 // Get the area offset such that the folder only closes if half the drag icon width 742 // is outside the folder area 743 mScrollAreaOffset = d.dragView.getDragRegionWidth() / 2 - d.xOffset; 744 } 745 746 OnAlarmListener mReorderAlarmListener = new OnAlarmListener() { 747 public void onAlarm(Alarm alarm) { 748 mContent.realTimeReorder(mEmptyCellRank, mTargetRank); 749 mEmptyCellRank = mTargetRank; 750 } 751 }; 752 753 @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) 754 public boolean isLayoutRtl() { 755 return (getLayoutDirection() == LAYOUT_DIRECTION_RTL); 756 } 757 758 @Override 759 public void onDragOver(DragObject d) { 760 onDragOver(d, REORDER_DELAY); 761 } 762 763 private int getTargetRank(DragObject d, float[] recycle) { 764 recycle = d.getVisualCenter(recycle); 765 return mContent.findNearestArea( 766 (int) recycle[0] - getPaddingLeft(), (int) recycle[1] - getPaddingTop()); 767 } 768 769 @Thunk void onDragOver(DragObject d, int reorderDelay) { 770 if (mScrollPauseAlarm.alarmPending()) { 771 return; 772 } 773 final float[] r = new float[2]; 774 mTargetRank = getTargetRank(d, r); 775 776 if (mTargetRank != mPrevTargetRank) { 777 mReorderAlarm.cancelAlarm(); 778 mReorderAlarm.setOnAlarmListener(mReorderAlarmListener); 779 mReorderAlarm.setAlarm(REORDER_DELAY); 780 mPrevTargetRank = mTargetRank; 781 782 if (d.stateAnnouncer != null) { 783 d.stateAnnouncer.announce(getContext().getString(R.string.move_to_position, 784 mTargetRank + 1)); 785 } 786 } 787 788 float x = r[0]; 789 int currentPage = mContent.getNextPage(); 790 791 float cellOverlap = mContent.getCurrentCellLayout().getCellWidth() 792 * ICON_OVERSCROLL_WIDTH_FACTOR; 793 boolean isOutsideLeftEdge = x < cellOverlap; 794 boolean isOutsideRightEdge = x > (getWidth() - cellOverlap); 795 796 if (currentPage > 0 && (mContent.mIsRtl ? isOutsideRightEdge : isOutsideLeftEdge)) { 797 showScrollHint(DragController.SCROLL_LEFT, d); 798 } else if (currentPage < (mContent.getPageCount() - 1) 799 && (mContent.mIsRtl ? isOutsideLeftEdge : isOutsideRightEdge)) { 800 showScrollHint(DragController.SCROLL_RIGHT, d); 801 } else { 802 mOnScrollHintAlarm.cancelAlarm(); 803 if (mScrollHintDir != DragController.SCROLL_NONE) { 804 mContent.clearScrollHint(); 805 mScrollHintDir = DragController.SCROLL_NONE; 806 } 807 } 808 } 809 810 private void showScrollHint(int direction, DragObject d) { 811 // Show scroll hint on the right 812 if (mScrollHintDir != direction) { 813 mContent.showScrollHint(direction); 814 mScrollHintDir = direction; 815 } 816 817 // Set alarm for when the hint is complete 818 if (!mOnScrollHintAlarm.alarmPending() || mCurrentScrollDir != direction) { 819 mCurrentScrollDir = direction; 820 mOnScrollHintAlarm.cancelAlarm(); 821 mOnScrollHintAlarm.setOnAlarmListener(new OnScrollHintListener(d)); 822 mOnScrollHintAlarm.setAlarm(SCROLL_HINT_DURATION); 823 824 mReorderAlarm.cancelAlarm(); 825 mTargetRank = mEmptyCellRank; 826 } 827 } 828 829 OnAlarmListener mOnExitAlarmListener = new OnAlarmListener() { 830 public void onAlarm(Alarm alarm) { 831 completeDragExit(); 832 } 833 }; 834 835 public void completeDragExit() { 836 if (mInfo.opened) { 837 mLauncher.closeFolder(); 838 mRearrangeOnClose = true; 839 } else if (mState == STATE_ANIMATING) { 840 mRearrangeOnClose = true; 841 } else { 842 rearrangeChildren(); 843 clearDragInfo(); 844 } 845 } 846 847 private void clearDragInfo() { 848 mCurrentDragInfo = null; 849 mCurrentDragView = null; 850 mSuppressOnAdd = false; 851 mIsExternalDrag = false; 852 } 853 854 public void onDragExit(DragObject d) { 855 // We only close the folder if this is a true drag exit, ie. not because 856 // a drop has occurred above the folder. 857 if (!d.dragComplete) { 858 mOnExitAlarm.setOnAlarmListener(mOnExitAlarmListener); 859 mOnExitAlarm.setAlarm(ON_EXIT_CLOSE_DELAY); 860 } 861 mReorderAlarm.cancelAlarm(); 862 863 mOnScrollHintAlarm.cancelAlarm(); 864 mScrollPauseAlarm.cancelAlarm(); 865 if (mScrollHintDir != DragController.SCROLL_NONE) { 866 mContent.clearScrollHint(); 867 mScrollHintDir = DragController.SCROLL_NONE; 868 } 869 } 870 871 /** 872 * When performing an accessibility drop, onDrop is sent immediately after onDragEnter. So we 873 * need to complete all transient states based on timers. 874 */ 875 @Override 876 public void prepareAccessibilityDrop() { 877 if (mReorderAlarm.alarmPending()) { 878 mReorderAlarm.cancelAlarm(); 879 mReorderAlarmListener.onAlarm(mReorderAlarm); 880 } 881 } 882 883 public void onDropCompleted(final View target, final DragObject d, 884 final boolean isFlingToDelete, final boolean success) { 885 if (mDeferDropAfterUninstall) { 886 Log.d(TAG, "Deferred handling drop because waiting for uninstall."); 887 mDeferredAction = new Runnable() { 888 public void run() { 889 onDropCompleted(target, d, isFlingToDelete, success); 890 mDeferredAction = null; 891 } 892 }; 893 return; 894 } 895 896 boolean beingCalledAfterUninstall = mDeferredAction != null; 897 boolean successfulDrop = 898 success && (!beingCalledAfterUninstall || mUninstallSuccessful); 899 900 if (successfulDrop) { 901 if (mDeleteFolderOnDropCompleted && !mItemAddedBackToSelfViaIcon && target != this) { 902 replaceFolderWithFinalItem(); 903 } 904 } else { 905 // The drag failed, we need to return the item to the folder 906 ShortcutInfo info = (ShortcutInfo) d.dragInfo; 907 View icon = (mCurrentDragView != null && mCurrentDragView.getTag() == info) 908 ? mCurrentDragView : mContent.createNewView(info); 909 ArrayList<View> views = getItemsInReadingOrder(); 910 views.add(info.rank, icon); 911 mContent.arrangeChildren(views, views.size()); 912 mItemsInvalidated = true; 913 914 mSuppressOnAdd = true; 915 mFolderIcon.onDrop(d); 916 mSuppressOnAdd = false; 917 } 918 919 if (target != this) { 920 if (mOnExitAlarm.alarmPending()) { 921 mOnExitAlarm.cancelAlarm(); 922 if (!successfulDrop) { 923 mSuppressFolderDeletion = true; 924 } 925 mScrollPauseAlarm.cancelAlarm(); 926 completeDragExit(); 927 } 928 } 929 930 mDeleteFolderOnDropCompleted = false; 931 mDragInProgress = false; 932 mItemAddedBackToSelfViaIcon = false; 933 mCurrentDragInfo = null; 934 mCurrentDragView = null; 935 mSuppressOnAdd = false; 936 937 // Reordering may have occured, and we need to save the new item locations. We do this once 938 // at the end to prevent unnecessary database operations. 939 updateItemLocationsInDatabaseBatch(); 940 941 // Use the item count to check for multi-page as the folder UI may not have 942 // been refreshed yet. 943 if (getItemCount() <= mContent.itemsPerPage()) { 944 // Show the animation, next time something is added to the folder. 945 mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, false, mLauncher); 946 } 947 948 if (!isFlingToDelete) { 949 // Fling to delete already exits spring loaded mode after the animation finishes. 950 mLauncher.exitSpringLoadedDragModeDelayed(successfulDrop, 951 Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); 952 } 953 } 954 955 @Override 956 public void deferCompleteDropAfterUninstallActivity() { 957 mDeferDropAfterUninstall = true; 958 } 959 960 @Override 961 public void onDragObjectRemoved(boolean success) { 962 mDeferDropAfterUninstall = false; 963 mUninstallSuccessful = success; 964 if (mDeferredAction != null) { 965 mDeferredAction.run(); 966 } 967 } 968 969 @Override 970 public float getIntrinsicIconScaleFactor() { 971 return 1f; 972 } 973 974 @Override 975 public boolean supportsFlingToDelete() { 976 return true; 977 } 978 979 @Override 980 public boolean supportsAppInfoDropTarget() { 981 return !FeatureFlags.LAUNCHER3_LEGACY_WORKSPACE_DND; 982 } 983 984 @Override 985 public boolean supportsDeleteDropTarget() { 986 return true; 987 } 988 989 @Override 990 public void onFlingToDelete(DragObject d, PointF vec) { 991 // Do nothing 992 } 993 994 @Override 995 public void onFlingToDeleteCompleted() { 996 // Do nothing 997 } 998 999 private void updateItemLocationsInDatabaseBatch() { 1000 ArrayList<View> list = getItemsInReadingOrder(); 1001 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 1002 for (int i = 0; i < list.size(); i++) { 1003 View v = list.get(i); 1004 ItemInfo info = (ItemInfo) v.getTag(); 1005 info.rank = i; 1006 items.add(info); 1007 } 1008 1009 LauncherModel.moveItemsInDatabase(mLauncher, items, mInfo.id, 0); 1010 } 1011 1012 public void notifyDrop() { 1013 if (mDragInProgress) { 1014 mItemAddedBackToSelfViaIcon = true; 1015 } 1016 } 1017 1018 public boolean isDropEnabled() { 1019 return true; 1020 } 1021 1022 public boolean isFull() { 1023 return mContent.isFull(); 1024 } 1025 1026 private void centerAboutIcon() { 1027 DragLayer.LayoutParams lp = (DragLayer.LayoutParams) getLayoutParams(); 1028 1029 DragLayer parent = (DragLayer) mLauncher.findViewById(R.id.drag_layer); 1030 int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth(); 1031 int height = getFolderHeight(); 1032 1033 float scale = parent.getDescendantRectRelativeToSelf(mFolderIcon, sTempRect); 1034 1035 DeviceProfile grid = mLauncher.getDeviceProfile(); 1036 1037 int centerX = (int) (sTempRect.left + sTempRect.width() * scale / 2); 1038 int centerY = (int) (sTempRect.top + sTempRect.height() * scale / 2); 1039 int centeredLeft = centerX - width / 2; 1040 int centeredTop = centerY - height / 2; 1041 1042 // We need to bound the folder to the currently visible workspace area 1043 mLauncher.getWorkspace().getPageAreaRelativeToDragLayer(sTempRect); 1044 int left = Math.min(Math.max(sTempRect.left, centeredLeft), 1045 sTempRect.left + sTempRect.width() - width); 1046 int top = Math.min(Math.max(sTempRect.top, centeredTop), 1047 sTempRect.top + sTempRect.height() - height); 1048 1049 int distFromEdgeOfScreen = grid.getWorkspacePadding(isLayoutRtl()).left + getPaddingLeft(); 1050 1051 if (grid.isPhone && (grid.availableWidthPx - width) < 4 * distFromEdgeOfScreen) { 1052 // Center the folder if it is very close to being centered anyway, by virtue of 1053 // filling the majority of the viewport. ie. remove it from the uncanny valley 1054 // of centeredness. 1055 left = (grid.availableWidthPx - width) / 2; 1056 } else if (width >= sTempRect.width()) { 1057 // If the folder doesn't fit within the bounds, center it about the desired bounds 1058 left = sTempRect.left + (sTempRect.width() - width) / 2; 1059 } 1060 if (height >= sTempRect.height()) { 1061 top = sTempRect.top + (sTempRect.height() - height) / 2; 1062 } 1063 1064 int folderPivotX = width / 2 + (centeredLeft - left); 1065 int folderPivotY = height / 2 + (centeredTop - top); 1066 setPivotX(folderPivotX); 1067 setPivotY(folderPivotY); 1068 mFolderIconPivotX = (int) (mFolderIcon.getMeasuredWidth() * 1069 (1.0f * folderPivotX / width)); 1070 mFolderIconPivotY = (int) (mFolderIcon.getMeasuredHeight() * 1071 (1.0f * folderPivotY / height)); 1072 1073 lp.width = width; 1074 lp.height = height; 1075 lp.x = left; 1076 lp.y = top; 1077 } 1078 1079 public float getPivotXForIconAnimation() { 1080 return mFolderIconPivotX; 1081 } 1082 public float getPivotYForIconAnimation() { 1083 return mFolderIconPivotY; 1084 } 1085 1086 private int getContentAreaHeight() { 1087 DeviceProfile grid = mLauncher.getDeviceProfile(); 1088 Rect workspacePadding = grid.getWorkspacePadding(mContent.mIsRtl); 1089 int maxContentAreaHeight = grid.availableHeightPx - 1090 workspacePadding.top - workspacePadding.bottom - 1091 mFooterHeight; 1092 int height = Math.min(maxContentAreaHeight, 1093 mContent.getDesiredHeight()); 1094 return Math.max(height, MIN_CONTENT_DIMEN); 1095 } 1096 1097 private int getContentAreaWidth() { 1098 return Math.max(mContent.getDesiredWidth(), MIN_CONTENT_DIMEN); 1099 } 1100 1101 private int getFolderHeight() { 1102 return getFolderHeight(getContentAreaHeight()); 1103 } 1104 1105 private int getFolderHeight(int contentAreaHeight) { 1106 return getPaddingTop() + getPaddingBottom() + contentAreaHeight + mFooterHeight; 1107 } 1108 1109 protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 1110 int contentWidth = getContentAreaWidth(); 1111 int contentHeight = getContentAreaHeight(); 1112 1113 int contentAreaWidthSpec = MeasureSpec.makeMeasureSpec(contentWidth, MeasureSpec.EXACTLY); 1114 int contentAreaHeightSpec = MeasureSpec.makeMeasureSpec(contentHeight, MeasureSpec.EXACTLY); 1115 1116 mContent.setFixedSize(contentWidth, contentHeight); 1117 mContentWrapper.measure(contentAreaWidthSpec, contentAreaHeightSpec); 1118 1119 if (mContent.getChildCount() > 0) { 1120 int cellIconGap = (mContent.getPageAt(0).getCellWidth() 1121 - mLauncher.getDeviceProfile().iconSizePx) / 2; 1122 mFooter.setPadding(mContent.getPaddingLeft() + cellIconGap, 1123 mFooter.getPaddingTop(), 1124 mContent.getPaddingRight() + cellIconGap, 1125 mFooter.getPaddingBottom()); 1126 } 1127 mFooter.measure(contentAreaWidthSpec, 1128 MeasureSpec.makeMeasureSpec(mFooterHeight, MeasureSpec.EXACTLY)); 1129 1130 int folderWidth = getPaddingLeft() + getPaddingRight() + contentWidth; 1131 int folderHeight = getFolderHeight(contentHeight); 1132 setMeasuredDimension(folderWidth, folderHeight); 1133 } 1134 1135 /** 1136 * Rearranges the children based on their rank. 1137 */ 1138 public void rearrangeChildren() { 1139 rearrangeChildren(-1); 1140 } 1141 1142 /** 1143 * Rearranges the children based on their rank. 1144 * @param itemCount if greater than the total children count, empty spaces are left at the end, 1145 * otherwise it is ignored. 1146 */ 1147 public void rearrangeChildren(int itemCount) { 1148 ArrayList<View> views = getItemsInReadingOrder(); 1149 mContent.arrangeChildren(views, Math.max(itemCount, views.size())); 1150 mItemsInvalidated = true; 1151 } 1152 1153 public int getItemCount() { 1154 return mContent.getItemCount(); 1155 } 1156 1157 @Thunk void replaceFolderWithFinalItem() { 1158 // Add the last remaining child to the workspace in place of the folder 1159 Runnable onCompleteRunnable = new Runnable() { 1160 @Override 1161 public void run() { 1162 int itemCount = mInfo.contents.size(); 1163 if (itemCount <= 1) { 1164 View newIcon = null; 1165 1166 if (itemCount == 1) { 1167 // Move the item from the folder to the workspace, in the position of the 1168 // folder 1169 CellLayout cellLayout = mLauncher.getCellLayout(mInfo.container, 1170 mInfo.screenId); 1171 ShortcutInfo finalItem = mInfo.contents.remove(0); 1172 newIcon = mLauncher.createShortcut(cellLayout, finalItem); 1173 LauncherModel.addOrMoveItemInDatabase(mLauncher, finalItem, mInfo.container, 1174 mInfo.screenId, mInfo.cellX, mInfo.cellY); 1175 } 1176 1177 // Remove the folder 1178 mLauncher.removeItem(mFolderIcon, mInfo, true /* deleteFromDb */); 1179 if (mFolderIcon instanceof DropTarget) { 1180 mDragController.removeDropTarget((DropTarget) mFolderIcon); 1181 } 1182 1183 if (newIcon != null) { 1184 // We add the child after removing the folder to prevent both from existing 1185 // at the same time in the CellLayout. We need to add the new item with 1186 // addInScreenFromBind() to ensure that hotseat items are placed correctly. 1187 mLauncher.getWorkspace().addInScreenFromBind(newIcon, mInfo.container, 1188 mInfo.screenId, mInfo.cellX, mInfo.cellY, mInfo.spanX, mInfo.spanY); 1189 1190 // Focus the newly created child 1191 newIcon.requestFocus(); 1192 } 1193 } 1194 } 1195 }; 1196 View finalChild = mContent.getLastItem(); 1197 if (finalChild != null) { 1198 mFolderIcon.performDestroyAnimation(finalChild, onCompleteRunnable); 1199 } else { 1200 onCompleteRunnable.run(); 1201 } 1202 mDestroyed = true; 1203 } 1204 1205 public boolean isDestroyed() { 1206 return mDestroyed; 1207 } 1208 1209 // This method keeps track of the first and last item in the folder for the purposes 1210 // of keyboard focus 1211 public void updateTextViewFocus() { 1212 final View firstChild = mContent.getFirstItem(); 1213 final View lastChild = mContent.getLastItem(); 1214 if (firstChild != null && lastChild != null) { 1215 mFolderName.setNextFocusDownId(lastChild.getId()); 1216 mFolderName.setNextFocusRightId(lastChild.getId()); 1217 mFolderName.setNextFocusLeftId(lastChild.getId()); 1218 mFolderName.setNextFocusUpId(lastChild.getId()); 1219 // Hitting TAB from the folder name wraps around to the first item on the current 1220 // folder page, and hitting SHIFT+TAB from that item wraps back to the folder name. 1221 mFolderName.setNextFocusForwardId(firstChild.getId()); 1222 // When clicking off the folder when editing the name, this Folder gains focus. When 1223 // pressing an arrow key from that state, give the focus to the first item. 1224 this.setNextFocusDownId(firstChild.getId()); 1225 this.setNextFocusRightId(firstChild.getId()); 1226 this.setNextFocusLeftId(firstChild.getId()); 1227 this.setNextFocusUpId(firstChild.getId()); 1228 // When pressing shift+tab in the above state, give the focus to the last item. 1229 setOnKeyListener(new OnKeyListener() { 1230 @Override 1231 public boolean onKey(View v, int keyCode, KeyEvent event) { 1232 boolean isShiftPlusTab = keyCode == KeyEvent.KEYCODE_TAB && 1233 event.hasModifiers(KeyEvent.META_SHIFT_ON); 1234 if (isShiftPlusTab && Folder.this.isFocused()) { 1235 return lastChild.requestFocus(); 1236 } 1237 return false; 1238 } 1239 }); 1240 } 1241 } 1242 1243 public void onDrop(DragObject d) { 1244 Runnable cleanUpRunnable = null; 1245 1246 // If we are coming from All Apps space, we defer removing the extra empty screen 1247 // until the folder closes 1248 if (d.dragSource != mLauncher.getWorkspace() && !(d.dragSource instanceof Folder)) { 1249 cleanUpRunnable = new Runnable() { 1250 @Override 1251 public void run() { 1252 mLauncher.exitSpringLoadedDragModeDelayed(true, 1253 Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, 1254 null); 1255 } 1256 }; 1257 } 1258 1259 // If the icon was dropped while the page was being scrolled, we need to compute 1260 // the target location again such that the icon is placed of the final page. 1261 if (!mContent.rankOnCurrentPage(mEmptyCellRank)) { 1262 // Reorder again. 1263 mTargetRank = getTargetRank(d, null); 1264 1265 // Rearrange items immediately. 1266 mReorderAlarmListener.onAlarm(mReorderAlarm); 1267 1268 mOnScrollHintAlarm.cancelAlarm(); 1269 mScrollPauseAlarm.cancelAlarm(); 1270 } 1271 mContent.completePendingPageChanges(); 1272 1273 View currentDragView; 1274 ShortcutInfo si = mCurrentDragInfo; 1275 if (mIsExternalDrag) { 1276 currentDragView = mContent.createAndAddViewForRank(si, mEmptyCellRank); 1277 // Actually move the item in the database if it was an external drag. Call this 1278 // before creating the view, so that ShortcutInfo is updated appropriately. 1279 LauncherModel.addOrMoveItemInDatabase( 1280 mLauncher, si, mInfo.id, 0, si.cellX, si.cellY); 1281 1282 // We only need to update the locations if it doesn't get handled in #onDropCompleted. 1283 if (d.dragSource != this) { 1284 updateItemLocationsInDatabaseBatch(); 1285 } 1286 mIsExternalDrag = false; 1287 } else { 1288 currentDragView = mCurrentDragView; 1289 mContent.addViewForRank(currentDragView, si, mEmptyCellRank); 1290 } 1291 1292 if (d.dragView.hasDrawn()) { 1293 1294 // Temporarily reset the scale such that the animation target gets calculated correctly. 1295 float scaleX = getScaleX(); 1296 float scaleY = getScaleY(); 1297 setScaleX(1.0f); 1298 setScaleY(1.0f); 1299 mLauncher.getDragLayer().animateViewIntoPosition(d.dragView, currentDragView, 1300 cleanUpRunnable, null); 1301 setScaleX(scaleX); 1302 setScaleY(scaleY); 1303 } else { 1304 d.deferDragViewCleanupPostAnimation = false; 1305 currentDragView.setVisibility(VISIBLE); 1306 } 1307 mItemsInvalidated = true; 1308 rearrangeChildren(); 1309 1310 // Temporarily suppress the listener, as we did all the work already here. 1311 mSuppressOnAdd = true; 1312 mInfo.add(si, false); 1313 mSuppressOnAdd = false; 1314 // Clear the drag info, as it is no longer being dragged. 1315 mCurrentDragInfo = null; 1316 mDragInProgress = false; 1317 1318 if (mContent.getPageCount() > 1) { 1319 // The animation has already been shown while opening the folder. 1320 mInfo.setOption(FolderInfo.FLAG_MULTI_PAGE_ANIMATION, true, mLauncher); 1321 } 1322 } 1323 1324 // This is used so the item doesn't immediately appear in the folder when added. In one case 1325 // we need to create the illusion that the item isn't added back to the folder yet, to 1326 // to correspond to the animation of the icon back into the folder. This is 1327 public void hideItem(ShortcutInfo info) { 1328 View v = getViewForInfo(info); 1329 v.setVisibility(INVISIBLE); 1330 } 1331 public void showItem(ShortcutInfo info) { 1332 View v = getViewForInfo(info); 1333 v.setVisibility(VISIBLE); 1334 } 1335 1336 @Override 1337 public void onAdd(ShortcutInfo item) { 1338 // If the item was dropped onto this open folder, we have done the work associated 1339 // with adding the item to the folder, as indicated by mSuppressOnAdd being set 1340 if (mSuppressOnAdd) return; 1341 mContent.createAndAddViewForRank(item, mContent.allocateRankForNewItem(item)); 1342 mItemsInvalidated = true; 1343 LauncherModel.addOrMoveItemInDatabase( 1344 mLauncher, item, mInfo.id, 0, item.cellX, item.cellY); 1345 } 1346 1347 public void onRemove(ShortcutInfo item) { 1348 mItemsInvalidated = true; 1349 // If this item is being dragged from this open folder, we have already handled 1350 // the work associated with removing the item, so we don't have to do anything here. 1351 if (item == mCurrentDragInfo) return; 1352 View v = getViewForInfo(item); 1353 mContent.removeItem(v); 1354 if (mState == STATE_ANIMATING) { 1355 mRearrangeOnClose = true; 1356 } else { 1357 rearrangeChildren(); 1358 } 1359 if (getItemCount() <= 1) { 1360 if (mInfo.opened) { 1361 mLauncher.closeFolder(this, true); 1362 } else { 1363 replaceFolderWithFinalItem(); 1364 } 1365 } 1366 } 1367 1368 private View getViewForInfo(final ShortcutInfo item) { 1369 return mContent.iterateOverItems(new ItemOperator() { 1370 1371 @Override 1372 public boolean evaluate(ItemInfo info, View view) { 1373 return info == item; 1374 } 1375 }); 1376 } 1377 1378 @Override 1379 public void onItemsChanged(boolean animate) { 1380 updateTextViewFocus(); 1381 } 1382 1383 public void onTitleChanged(CharSequence title) { 1384 } 1385 1386 public ArrayList<View> getItemsInReadingOrder() { 1387 if (mItemsInvalidated) { 1388 mItemsInReadingOrder.clear(); 1389 mContent.iterateOverItems(new ItemOperator() { 1390 1391 @Override 1392 public boolean evaluate(ItemInfo info, View view) { 1393 mItemsInReadingOrder.add(view); 1394 return false; 1395 } 1396 }); 1397 mItemsInvalidated = false; 1398 } 1399 return mItemsInReadingOrder; 1400 } 1401 1402 public void onFocusChange(View v, boolean hasFocus) { 1403 if (v == mFolderName) { 1404 if (hasFocus) { 1405 startEditingFolderName(); 1406 } else { 1407 dismissEditingName(); 1408 } 1409 } 1410 } 1411 1412 @Override 1413 public void getHitRectRelativeToDragLayer(Rect outRect) { 1414 getHitRect(outRect); 1415 outRect.left -= mScrollAreaOffset; 1416 outRect.right += mScrollAreaOffset; 1417 } 1418 1419 @Override 1420 public void fillInLaunchSourceData(View v, ItemInfo info, Target target, Target targetParent) { 1421 target.itemType = LauncherLogProto.APP_ICON; 1422 target.gridX = info.cellX; 1423 target.gridY = info.cellY; 1424 target.pageIndex = mContent.getCurrentPage(); 1425 targetParent.containerType = LauncherLogProto.FOLDER; 1426 } 1427 1428 private class OnScrollHintListener implements OnAlarmListener { 1429 1430 private final DragObject mDragObject; 1431 1432 OnScrollHintListener(DragObject object) { 1433 mDragObject = object; 1434 } 1435 1436 /** 1437 * Scroll hint has been shown long enough. Now scroll to appropriate page. 1438 */ 1439 @Override 1440 public void onAlarm(Alarm alarm) { 1441 if (mCurrentScrollDir == DragController.SCROLL_LEFT) { 1442 mContent.scrollLeft(); 1443 mScrollHintDir = DragController.SCROLL_NONE; 1444 } else if (mCurrentScrollDir == DragController.SCROLL_RIGHT) { 1445 mContent.scrollRight(); 1446 mScrollHintDir = DragController.SCROLL_NONE; 1447 } else { 1448 // This should not happen 1449 return; 1450 } 1451 mCurrentScrollDir = DragController.SCROLL_NONE; 1452 1453 // Pause drag event until the scrolling is finished 1454 mScrollPauseAlarm.setOnAlarmListener(new OnScrollFinishedListener(mDragObject)); 1455 mScrollPauseAlarm.setAlarm(DragController.RESCROLL_DELAY); 1456 } 1457 } 1458 1459 private class OnScrollFinishedListener implements OnAlarmListener { 1460 1461 private final DragObject mDragObject; 1462 1463 OnScrollFinishedListener(DragObject object) { 1464 mDragObject = object; 1465 } 1466 1467 /** 1468 * Page scroll is complete. 1469 */ 1470 @Override 1471 public void onAlarm(Alarm alarm) { 1472 // Reorder immediately on page change. 1473 onDragOver(mDragObject, 1); 1474 } 1475 } 1476 1477 // Compares item position based on rank and position giving priority to the rank. 1478 public static final Comparator<ItemInfo> ITEM_POS_COMPARATOR = new Comparator<ItemInfo>() { 1479 1480 @Override 1481 public int compare(ItemInfo lhs, ItemInfo rhs) { 1482 if (lhs.rank != rhs.rank) { 1483 return lhs.rank - rhs.rank; 1484 } else if (lhs.cellY != rhs.cellY) { 1485 return lhs.cellY - rhs.cellY; 1486 } else { 1487 return lhs.cellX - rhs.cellX; 1488 } 1489 } 1490 }; 1491} 1492