| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.android.launcher3.allapps; |
| |
| import android.annotation.SuppressLint; |
| import android.content.Context; |
| import android.content.res.Resources; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.support.v7.widget.RecyclerView; |
| import android.text.Selection; |
| import android.text.SpannableStringBuilder; |
| import android.text.method.TextKeyListener; |
| import android.util.AttributeSet; |
| import android.view.KeyEvent; |
| import android.view.MotionEvent; |
| import android.view.View; |
| import android.view.ViewConfiguration; |
| import android.view.ViewGroup; |
| |
| import com.android.launcher3.AppInfo; |
| import com.android.launcher3.BaseContainerView; |
| import com.android.launcher3.CellLayout; |
| import com.android.launcher3.DeleteDropTarget; |
| import com.android.launcher3.DeviceProfile; |
| import com.android.launcher3.DragSource; |
| import com.android.launcher3.DropTarget; |
| import com.android.launcher3.ExtendedEditText; |
| import com.android.launcher3.ItemInfo; |
| import com.android.launcher3.Launcher; |
| import com.android.launcher3.LauncherTransitionable; |
| import com.android.launcher3.R; |
| import com.android.launcher3.Utilities; |
| import com.android.launcher3.Workspace; |
| import com.android.launcher3.config.FeatureFlags; |
| import com.android.launcher3.folder.Folder; |
| import com.android.launcher3.keyboard.FocusedItemDecorator; |
| import com.android.launcher3.util.ComponentKey; |
| |
| import java.nio.charset.Charset; |
| import java.nio.charset.CharsetEncoder; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| |
| /** |
| * A merge algorithm that merges every section indiscriminately. |
| */ |
| final class FullMergeAlgorithm implements AlphabeticalAppsList.MergeAlgorithm { |
| |
| @Override |
| public boolean continueMerging(AlphabeticalAppsList.SectionInfo section, |
| AlphabeticalAppsList.SectionInfo withSection, |
| int sectionAppCount, int numAppsPerRow, int mergeCount) { |
| // Don't merge the predicted apps |
| if (section.firstAppItem.viewType != AllAppsGridAdapter.VIEW_TYPE_ICON) { |
| return false; |
| } |
| // Otherwise, merge every other section |
| return true; |
| } |
| } |
| |
| /** |
| * The logic we use to merge multiple sections. We only merge sections when their final row |
| * contains less than a certain number of icons, and stop at a specified max number of merges. |
| * In addition, we will try and not merge sections that identify apps from different scripts. |
| */ |
| final class SimpleSectionMergeAlgorithm implements AlphabeticalAppsList.MergeAlgorithm { |
| |
| private int mMinAppsPerRow; |
| private int mMinRowsInMergedSection; |
| private int mMaxAllowableMerges; |
| private CharsetEncoder mAsciiEncoder; |
| |
| public SimpleSectionMergeAlgorithm(int minAppsPerRow, int minRowsInMergedSection, int maxNumMerges) { |
| mMinAppsPerRow = minAppsPerRow; |
| mMinRowsInMergedSection = minRowsInMergedSection; |
| mMaxAllowableMerges = maxNumMerges; |
| mAsciiEncoder = Charset.forName("US-ASCII").newEncoder(); |
| } |
| |
| @Override |
| public boolean continueMerging(AlphabeticalAppsList.SectionInfo section, |
| AlphabeticalAppsList.SectionInfo withSection, |
| int sectionAppCount, int numAppsPerRow, int mergeCount) { |
| // Don't merge the predicted apps |
| if (section.firstAppItem.viewType != AllAppsGridAdapter.VIEW_TYPE_ICON) { |
| return false; |
| } |
| |
| // Continue merging if the number of hanging apps on the final row is less than some |
| // fixed number (ragged), the merged rows has yet to exceed some minimum row count, |
| // and while the number of merged sections is less than some fixed number of merges |
| int rows = sectionAppCount / numAppsPerRow; |
| int cols = sectionAppCount % numAppsPerRow; |
| |
| // Ensure that we do not merge across scripts, currently we only allow for english and |
| // native scripts so we can test if both can just be ascii encoded |
| boolean isCrossScript = false; |
| if (section.firstAppItem != null && withSection.firstAppItem != null) { |
| isCrossScript = mAsciiEncoder.canEncode(section.firstAppItem.sectionName) != |
| mAsciiEncoder.canEncode(withSection.firstAppItem.sectionName); |
| } |
| return (0 < cols && cols < mMinAppsPerRow) && |
| rows < mMinRowsInMergedSection && |
| mergeCount < mMaxAllowableMerges && |
| !isCrossScript; |
| } |
| } |
| |
| /** |
| * The all apps view container. |
| */ |
| public class AllAppsContainerView extends BaseContainerView implements DragSource, |
| LauncherTransitionable, View.OnLongClickListener, AllAppsSearchBarController.Callbacks { |
| |
| private static final int MIN_ROWS_IN_MERGED_SECTION_PHONE = 3; |
| private static final int MAX_NUM_MERGES_PHONE = 2; |
| |
| private final Launcher mLauncher; |
| private final AlphabeticalAppsList mApps; |
| private final AllAppsGridAdapter mAdapter; |
| private final RecyclerView.LayoutManager mLayoutManager; |
| private final RecyclerView.ItemDecoration mItemDecoration; |
| |
| // The computed bounds of the container |
| private final Rect mContentBounds = new Rect(); |
| |
| private AllAppsRecyclerView mAppsRecyclerView; |
| private AllAppsSearchBarController mSearchBarController; |
| |
| private View mSearchContainer; |
| private ExtendedEditText mSearchInput; |
| private HeaderElevationController mElevationController; |
| private int mSearchContainerOffsetTop; |
| |
| private SpannableStringBuilder mSearchQueryBuilder = null; |
| |
| private int mSectionNamesMargin; |
| private int mNumAppsPerRow; |
| private int mNumPredictedAppsPerRow; |
| private int mRecyclerViewBottomPadding; |
| // This coordinate is relative to this container view |
| private final Point mBoundsCheckLastTouchDownPos = new Point(-1, -1); |
| |
| public AllAppsContainerView(Context context) { |
| this(context, null); |
| } |
| |
| public AllAppsContainerView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public AllAppsContainerView(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| Resources res = context.getResources(); |
| |
| mLauncher = Launcher.getLauncher(context); |
| mSectionNamesMargin = res.getDimensionPixelSize(R.dimen.all_apps_grid_view_start_margin); |
| mApps = new AlphabeticalAppsList(context); |
| mAdapter = new AllAppsGridAdapter(mLauncher, mApps, mLauncher, this); |
| mApps.setAdapter(mAdapter); |
| mLayoutManager = mAdapter.getLayoutManager(); |
| mItemDecoration = mAdapter.getItemDecoration(); |
| DeviceProfile grid = mLauncher.getDeviceProfile(); |
| if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP && !grid.isVerticalBarLayout()) { |
| mRecyclerViewBottomPadding = 0; |
| setPadding(0, 0, 0, 0); |
| } else { |
| mRecyclerViewBottomPadding = |
| res.getDimensionPixelSize(R.dimen.all_apps_list_bottom_padding); |
| } |
| mSearchQueryBuilder = new SpannableStringBuilder(); |
| Selection.setSelection(mSearchQueryBuilder, 0); |
| } |
| |
| /** |
| * Sets the current set of predicted apps. |
| */ |
| public void setPredictedApps(List<ComponentKey> apps) { |
| mApps.setPredictedApps(apps); |
| } |
| |
| /** |
| * Sets the current set of apps. |
| */ |
| public void setApps(List<AppInfo> apps) { |
| mApps.setApps(apps); |
| } |
| |
| /** |
| * Adds new apps to the list. |
| */ |
| public void addApps(List<AppInfo> apps) { |
| mApps.addApps(apps); |
| } |
| |
| /** |
| * Updates existing apps in the list |
| */ |
| public void updateApps(List<AppInfo> apps) { |
| mApps.updateApps(apps); |
| } |
| |
| /** |
| * Removes some apps from the list. |
| */ |
| public void removeApps(List<AppInfo> apps) { |
| mApps.removeApps(apps); |
| } |
| |
| public void setSearchBarVisible(boolean visible) { |
| if (visible) { |
| mSearchBarController.setVisibility(View.VISIBLE); |
| } else { |
| mSearchBarController.setVisibility(View.INVISIBLE); |
| } |
| } |
| |
| /** |
| * Sets the search bar that shows above the a-z list. |
| */ |
| public void setSearchBarController(AllAppsSearchBarController searchController) { |
| if (mSearchBarController != null) { |
| throw new RuntimeException("Expected search bar controller to only be set once"); |
| } |
| mSearchBarController = searchController; |
| mSearchBarController.initialize(mApps, mSearchInput, mLauncher, this); |
| mSearchBarController.setHintView(findViewById(R.id.search_hint)); |
| mAdapter.setSearchController(mSearchBarController); |
| } |
| |
| /** |
| * Scrolls this list view to the top. |
| */ |
| public void scrollToTop() { |
| mAppsRecyclerView.scrollToTop(); |
| } |
| |
| /** |
| * Returns whether the view itself will handle the touch event or not. |
| */ |
| public boolean shouldContainerScroll(float x, float y) { |
| int[] point = new int[2]; |
| point[0] = (int) x; |
| point[1] = (int) y; |
| Utilities.mapCoordInSelfToDescendent(mAppsRecyclerView, this, point); |
| |
| // if the MotionEvent is inside the thumb, container should not be pulled down. |
| if (mAppsRecyclerView.getScrollBar().isNearThumb(point[0], point[1])) { |
| return false; |
| } |
| // IF scroller is at the very top OR there is no scroll bar because there is probably not |
| // enough items to scroll, THEN it's okay for the container to be pulled down. |
| if (mAppsRecyclerView.getScrollBar().getThumbOffset().y <= 0) { |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Focuses the search field and begins an app search. |
| */ |
| public void startAppsSearch() { |
| if (mSearchBarController != null) { |
| mSearchBarController.focusSearchField(); |
| } |
| } |
| |
| /** |
| * Resets the state of AllApps. |
| */ |
| public void reset() { |
| // Reset the search bar and base recycler view after transitioning home |
| scrollToTop(); |
| mSearchBarController.reset(); |
| mAppsRecyclerView.reset(); |
| } |
| |
| @Override |
| protected void onFinishInflate() { |
| super.onFinishInflate(); |
| |
| // This is a focus listener that proxies focus from a view into the list view. This is to |
| // work around the search box from getting first focus and showing the cursor. |
| getContentView().setOnFocusChangeListener(new View.OnFocusChangeListener() { |
| @Override |
| public void onFocusChange(View v, boolean hasFocus) { |
| if (hasFocus) { |
| mAppsRecyclerView.requestFocus(); |
| } |
| } |
| }); |
| |
| mSearchContainer = findViewById(R.id.search_container); |
| mSearchInput = (ExtendedEditText) findViewById(R.id.search_box_input); |
| mSearchContainerOffsetTop = getResources().getDimensionPixelSize( |
| R.dimen.all_apps_search_bar_margin_top); |
| |
| mElevationController = Utilities.ATLEAST_LOLLIPOP |
| ? new HeaderElevationController.ControllerVL(mSearchContainer) |
| : new HeaderElevationController.ControllerV16(mSearchContainer); |
| |
| // Load the all apps recycler view |
| mAppsRecyclerView = (AllAppsRecyclerView) findViewById(R.id.apps_list_view); |
| mAppsRecyclerView.setApps(mApps); |
| mAppsRecyclerView.setLayoutManager(mLayoutManager); |
| mAppsRecyclerView.setAdapter(mAdapter); |
| mAppsRecyclerView.setHasFixedSize(true); |
| mAppsRecyclerView.addOnScrollListener(mElevationController); |
| mAppsRecyclerView.setElevationController(mElevationController); |
| |
| if (mItemDecoration != null) { |
| mAppsRecyclerView.addItemDecoration(mItemDecoration); |
| } |
| |
| FocusedItemDecorator focusedItemDecorator = new FocusedItemDecorator(mAppsRecyclerView); |
| mAppsRecyclerView.addItemDecoration(focusedItemDecorator); |
| mAppsRecyclerView.preMeasureViews(mAdapter); |
| mAdapter.setIconFocusListener(focusedItemDecorator.getFocusListener()); |
| |
| // TODO(hyunyoungs): clean up setting the content and the reveal view. |
| if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP) { |
| getRevealView().setVisibility(View.VISIBLE); |
| } |
| } |
| |
| @Override |
| public void onBoundsChanged(Rect newBounds) { } |
| |
| @Override |
| protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { |
| int widthPx = MeasureSpec.getSize(widthMeasureSpec); |
| int heightPx = MeasureSpec.getSize(heightMeasureSpec); |
| updatePaddingsAndMargins(widthPx, heightPx); |
| mContentBounds.set(mContainerPaddingLeft, 0, widthPx - mContainerPaddingRight, heightPx); |
| |
| DeviceProfile grid = mLauncher.getDeviceProfile(); |
| grid.updateAppsViewNumCols(); |
| if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP) { |
| if (mNumAppsPerRow != grid.inv.numColumns || |
| mNumPredictedAppsPerRow != grid.inv.numColumns) { |
| mNumAppsPerRow = grid.inv.numColumns; |
| mNumPredictedAppsPerRow = grid.inv.numColumns; |
| |
| mAppsRecyclerView.setNumAppsPerRow(grid, mNumAppsPerRow); |
| mAdapter.setNumAppsPerRow(mNumAppsPerRow); |
| mApps.setNumAppsPerRow(mNumAppsPerRow, mNumPredictedAppsPerRow, new FullMergeAlgorithm()); |
| if (mNumAppsPerRow > 0) { |
| int rvPadding = mAppsRecyclerView.getPaddingStart(); // Assumes symmetry |
| final int thumbMaxWidth = |
| getResources().getDimensionPixelSize( |
| R.dimen.container_fastscroll_thumb_max_width); |
| mSearchContainer.setPadding( |
| rvPadding - mContainerPaddingLeft + thumbMaxWidth, |
| mSearchContainer.getPaddingTop(), |
| rvPadding - mContainerPaddingRight + thumbMaxWidth, |
| mSearchContainer.getPaddingBottom()); |
| } |
| } |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| return; |
| } |
| |
| // --- remove START when {@code FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP} is enabled. --- |
| |
| // Update the number of items in the grid before we measure the view |
| // TODO: mSectionNamesMargin is currently 0, but also account for it, |
| // if it's enabled in the future. |
| grid.updateAppsViewNumCols(); |
| if (mNumAppsPerRow != grid.allAppsNumCols || |
| mNumPredictedAppsPerRow != grid.allAppsNumPredictiveCols) { |
| mNumAppsPerRow = grid.allAppsNumCols; |
| mNumPredictedAppsPerRow = grid.allAppsNumPredictiveCols; |
| |
| // If there is a start margin to draw section names, determine how we are going to merge |
| // app sections |
| boolean mergeSectionsFully = mSectionNamesMargin == 0 || !grid.isPhone; |
| AlphabeticalAppsList.MergeAlgorithm mergeAlgorithm = mergeSectionsFully ? |
| new FullMergeAlgorithm() : |
| new SimpleSectionMergeAlgorithm((int) Math.ceil(mNumAppsPerRow / 2f), |
| MIN_ROWS_IN_MERGED_SECTION_PHONE, MAX_NUM_MERGES_PHONE); |
| |
| mAppsRecyclerView.setNumAppsPerRow(grid, mNumAppsPerRow); |
| mAdapter.setNumAppsPerRow(mNumAppsPerRow); |
| mApps.setNumAppsPerRow(mNumAppsPerRow, mNumPredictedAppsPerRow, mergeAlgorithm); |
| } |
| |
| // --- remove END when {@code FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP} is enabled. --- |
| super.onMeasure(widthMeasureSpec, heightMeasureSpec); |
| } |
| |
| /** |
| * Update the background and padding of the Apps view and children. Instead of insetting the |
| * container view, we inset the background and padding of the recycler view to allow for the |
| * recycler view to handle touch events (for fast scrolling) all the way to the edge. |
| */ |
| private void updatePaddingsAndMargins(int widthPx, int heightPx) { |
| Rect bgPadding = new Rect(); |
| getRevealView().getBackground().getPadding(bgPadding); |
| |
| mAppsRecyclerView.updateBackgroundPadding(bgPadding); |
| mAdapter.updateBackgroundPadding(bgPadding); |
| mElevationController.updateBackgroundPadding(bgPadding); |
| |
| // Pad the recycler view by the background padding plus the start margin (for the section |
| // names) |
| int maxScrollBarWidth = mAppsRecyclerView.getMaxScrollbarWidth(); |
| int startInset = Math.max(mSectionNamesMargin, maxScrollBarWidth); |
| if (Utilities.isRtl(getResources())) { |
| mAppsRecyclerView.setPadding(bgPadding.left + maxScrollBarWidth, 0, bgPadding.right |
| + startInset, mRecyclerViewBottomPadding); |
| } else { |
| mAppsRecyclerView.setPadding(bgPadding.left + startInset, 0, bgPadding.right + |
| maxScrollBarWidth, mRecyclerViewBottomPadding); |
| } |
| |
| MarginLayoutParams lp = (MarginLayoutParams) mSearchContainer.getLayoutParams(); |
| lp.leftMargin = bgPadding.left; |
| lp.rightMargin = bgPadding.right; |
| |
| // Clip the view to the left and right edge of the background to |
| // to prevent shadows from rendering beyond the edges |
| final Rect newClipBounds = new Rect( |
| bgPadding.left, 0, widthPx - bgPadding.right, heightPx); |
| setClipBounds(newClipBounds); |
| |
| // Allow the overscroll effect to reach the edges of the view |
| mAppsRecyclerView.setClipToPadding(false); |
| |
| DeviceProfile grid = mLauncher.getDeviceProfile(); |
| if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP) { |
| if (!grid.isVerticalBarLayout()) { |
| MarginLayoutParams mlp = (MarginLayoutParams) mAppsRecyclerView.getLayoutParams(); |
| |
| Rect insets = mLauncher.getDragLayer().getInsets(); |
| getContentView().setPadding(0, 0, 0, insets.bottom); |
| int height = insets.top + grid.hotseatCellHeightPx; |
| |
| mlp.topMargin = height; |
| mAppsRecyclerView.setLayoutParams(mlp); |
| |
| mSearchContainer.setPadding( |
| mSearchContainer.getPaddingLeft(), |
| insets.top + mSearchContainerOffsetTop, |
| mSearchContainer.getPaddingRight(), |
| mSearchContainer.getPaddingBottom()); |
| lp.height = height; |
| |
| View navBarBg = findViewById(R.id.nav_bar_bg); |
| ViewGroup.LayoutParams params = navBarBg.getLayoutParams(); |
| params.height = insets.bottom; |
| navBarBg.setLayoutParams(params); |
| navBarBg.setVisibility(View.VISIBLE); |
| } |
| } |
| mSearchContainer.setLayoutParams(lp); |
| } |
| |
| @Override |
| public boolean dispatchKeyEvent(KeyEvent event) { |
| // Determine if the key event was actual text, if so, focus the search bar and then dispatch |
| // the key normally so that it can process this key event |
| if (!mSearchBarController.isSearchFieldFocused() && |
| event.getAction() == KeyEvent.ACTION_DOWN) { |
| final int unicodeChar = event.getUnicodeChar(); |
| final boolean isKeyNotWhitespace = unicodeChar > 0 && |
| !Character.isWhitespace(unicodeChar) && !Character.isSpaceChar(unicodeChar); |
| if (isKeyNotWhitespace) { |
| boolean gotKey = TextKeyListener.getInstance().onKeyDown(this, mSearchQueryBuilder, |
| event.getKeyCode(), event); |
| if (gotKey && mSearchQueryBuilder.length() > 0) { |
| mSearchBarController.focusSearchField(); |
| } |
| } |
| } |
| |
| return super.dispatchKeyEvent(event); |
| } |
| |
| @Override |
| public boolean onInterceptTouchEvent(MotionEvent ev) { |
| return handleTouchEvent(ev); |
| } |
| |
| @SuppressLint("ClickableViewAccessibility") |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) { |
| return handleTouchEvent(ev); |
| } |
| |
| @Override |
| public boolean onLongClick(View v) { |
| // Return early if this is not initiated from a touch |
| if (!v.isInTouchMode()) return false; |
| // When we have exited all apps or are in transition, disregard long clicks |
| |
| if (!mLauncher.isAppsViewVisible() || |
| mLauncher.getWorkspace().isSwitchingState()) return false; |
| // Return if global dragging is not enabled |
| if (!mLauncher.isDraggingEnabled()) return false; |
| |
| // Start the drag |
| mLauncher.getWorkspace().beginDragShared(v, this, false); |
| // Enter spring loaded mode |
| mLauncher.enterSpringLoadedDragMode(); |
| |
| return false; |
| } |
| |
| @Override |
| public boolean supportsFlingToDelete() { |
| return true; |
| } |
| |
| @Override |
| public boolean supportsAppInfoDropTarget() { |
| return true; |
| } |
| |
| @Override |
| public boolean supportsDeleteDropTarget() { |
| return false; |
| } |
| |
| @Override |
| public float getIntrinsicIconScaleFactor() { |
| DeviceProfile grid = mLauncher.getDeviceProfile(); |
| return (float) grid.allAppsIconSizePx / grid.iconSizePx; |
| } |
| |
| @Override |
| public void onFlingToDeleteCompleted() { |
| // We just dismiss the drag when we fling, so cleanup here |
| mLauncher.exitSpringLoadedDragModeDelayed(true, |
| Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); |
| mLauncher.unlockScreenOrientation(false); |
| } |
| |
| @Override |
| public void onDropCompleted(View target, DropTarget.DragObject d, boolean isFlingToDelete, |
| boolean success) { |
| if (isFlingToDelete || !success || (target != mLauncher.getWorkspace() && |
| !(target instanceof DeleteDropTarget) && !(target instanceof Folder))) { |
| // Exit spring loaded mode if we have not successfully dropped or have not handled the |
| // drop in Workspace |
| mLauncher.exitSpringLoadedDragModeDelayed(true, |
| Launcher.EXIT_SPRINGLOADED_MODE_SHORT_TIMEOUT, null); |
| } |
| mLauncher.unlockScreenOrientation(false); |
| |
| // Display an error message if the drag failed due to there not being enough space on the |
| // target layout we were dropping on. |
| if (!success) { |
| boolean showOutOfSpaceMessage = false; |
| if (target instanceof Workspace) { |
| int currentScreen = mLauncher.getCurrentWorkspaceScreen(); |
| Workspace workspace = (Workspace) target; |
| CellLayout layout = (CellLayout) workspace.getChildAt(currentScreen); |
| ItemInfo itemInfo = d.dragInfo; |
| if (layout != null) { |
| showOutOfSpaceMessage = |
| !layout.findCellForSpan(null, itemInfo.spanX, itemInfo.spanY); |
| } |
| } |
| if (showOutOfSpaceMessage) { |
| mLauncher.showOutOfSpaceMessage(false); |
| } |
| |
| d.deferDragViewCleanupPostAnimation = false; |
| } |
| } |
| |
| @Override |
| public void onLauncherTransitionPrepare(Launcher l, boolean animated, |
| boolean multiplePagesVisible) { |
| // Do nothing |
| } |
| |
| @Override |
| public void onLauncherTransitionStart(Launcher l, boolean animated, boolean toWorkspace) { |
| // Do nothing |
| } |
| |
| @Override |
| public void onLauncherTransitionStep(Launcher l, float t) { |
| // Do nothing |
| } |
| |
| @Override |
| public void onLauncherTransitionEnd(Launcher l, boolean animated, boolean toWorkspace) { |
| if (toWorkspace) { |
| reset(); |
| } |
| } |
| |
| /** |
| * Handles the touch events to dismiss all apps when clicking outside the bounds of the |
| * recycler view. |
| */ |
| private boolean handleTouchEvent(MotionEvent ev) { |
| DeviceProfile grid = mLauncher.getDeviceProfile(); |
| int x = (int) ev.getX(); |
| int y = (int) ev.getY(); |
| |
| switch (ev.getAction()) { |
| case MotionEvent.ACTION_DOWN: |
| if (!mContentBounds.isEmpty()) { |
| // Outset the fixed bounds and check if the touch is outside all apps |
| Rect tmpRect = new Rect(mContentBounds); |
| tmpRect.inset(-grid.allAppsIconSizePx / 2, 0); |
| if (ev.getX() < tmpRect.left || ev.getX() > tmpRect.right) { |
| mBoundsCheckLastTouchDownPos.set(x, y); |
| return true; |
| } |
| } else { |
| // Check if the touch is outside all apps |
| if (ev.getX() < getPaddingLeft() || |
| ev.getX() > (getWidth() - getPaddingRight())) { |
| mBoundsCheckLastTouchDownPos.set(x, y); |
| return true; |
| } |
| } |
| break; |
| case MotionEvent.ACTION_UP: |
| if (mBoundsCheckLastTouchDownPos.x > -1) { |
| ViewConfiguration viewConfig = ViewConfiguration.get(getContext()); |
| float dx = ev.getX() - mBoundsCheckLastTouchDownPos.x; |
| float dy = ev.getY() - mBoundsCheckLastTouchDownPos.y; |
| float distance = (float) Math.hypot(dx, dy); |
| if (distance < viewConfig.getScaledTouchSlop()) { |
| // The background was clicked, so just go home |
| Launcher launcher = (Launcher) getContext(); |
| launcher.showWorkspace(true); |
| return true; |
| } |
| } |
| // Fall through |
| case MotionEvent.ACTION_CANCEL: |
| mBoundsCheckLastTouchDownPos.set(-1, -1); |
| break; |
| } |
| return false; |
| } |
| |
| @Override |
| public void onSearchResult(String query, ArrayList<ComponentKey> apps) { |
| if (apps != null) { |
| if (mApps.setOrderedFilter(apps)) { |
| mAppsRecyclerView.onSearchResultsChanged(); |
| } |
| mAdapter.setLastSearchQuery(query); |
| } |
| } |
| |
| @Override |
| public void clearSearchResult() { |
| if (mApps.setOrderedFilter(null)) { |
| mAppsRecyclerView.onSearchResultsChanged(); |
| } |
| |
| // Clear the search query |
| mSearchQueryBuilder.clear(); |
| mSearchQueryBuilder.clearSpans(); |
| Selection.setSelection(mSearchQueryBuilder, 0); |
| } |
| } |
