/*
* 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.v4.content.ContextCompat;
import android.support.v7.widget.RecyclerView;
import android.text.Selection;
import android.text.Spannable;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.TextUtils;
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.BubbleTextView;
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.dragndrop.DragOptions;
import com.android.launcher3.folder.Folder;
import com.android.launcher3.graphics.TintedDrawableSpan;
import com.android.launcher3.keyboard.FocusedItemDecorator;
import com.android.launcher3.shortcuts.DeepShortcutsContainer;
import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
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);
mSearchBarController.refreshSearchResult();
}
/**
* Updates existing apps in the list
*/
public void updateApps(List<AppInfo> apps) {
mApps.updateApps(apps);
mSearchBarController.refreshSearchResult();
}
/**
* Removes some apps from the list.
*/
public void removeApps(List<AppInfo> apps) {
mApps.removeApps(apps);
mSearchBarController.refreshSearchResult();
}
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);
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(MotionEvent ev) {
int[] point = new int[2];
point[0] = (int) ev.getX();
point[1] = (int) ev.getY();
Utilities.mapCoordInSelfToDescendent(mAppsRecyclerView, this, point);
// IF the MotionEvent is inside the search box, and the container keeps on receiving
// touch input, container should move down.
if (mLauncher.getDragLayer().isEventOverView(mSearchContainer, ev)) {
return true;
}
// IF the MotionEvent is inside the thumb, container should not be pulled down.
if (mAppsRecyclerView.getScrollBar().isNearThumb(point[0], point[1])) {
return false;
}
// IF a shortcuts container is open, container should not be pulled down.
if (mLauncher.getOpenShortcutsContainer() != null) {
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);
if(Utilities.isAllowNightModePrefEnabled(getContext())) {
mSearchContainer.setBackgroundColor(ContextCompat.getColor(getContext(), R.color.night_color));
}else{
if(Utilities.getDrawerBackgroundPrefEnabled(getContext()) != -1){
mSearchContainer.setBackgroundColor(Utilities.getDrawerBackgroundPrefEnabled(getContext()));
}else {
mSearchContainer.setBackgroundColor(ContextCompat.getColor(getContext(), android.R.color.white));
}
}
mSearchInput = (ExtendedEditText) findViewById(R.id.search_box_input);
// Update the hint to contain the icon.
// Prefix the original hint with two spaces. The first space gets replaced by the icon
// using span. The second space is used for a singe space character between the hint
// and the icon.
SpannableString spanned = new SpannableString(" " + mSearchInput.getHint());
spanned.setSpan(new TintedDrawableSpan(getContext(), R.drawable.ic_allapps_search),
0, 1, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
mSearchInput.setHint(spanned);
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());
if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP) {
getRevealView().setVisibility(View.VISIBLE);
getContentView().setVisibility(View.VISIBLE);
getContentView().setBackground(null);
}
}
@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, 0);
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 or we are already dragging
if (!mLauncher.isDraggingEnabled()) return false;
if (mLauncher.getDragController().isDragging()) return false;
// Start the drag
DragOptions dragOptions = new DragOptions();
if (v instanceof BubbleTextView) {
final BubbleTextView icon = (BubbleTextView) v;
if (icon.hasDeepShortcuts()) {
DeepShortcutsContainer dsc = DeepShortcutsContainer.showForIcon(icon);
if (dsc != null) {
dragOptions.deferDragCondition = dsc.createDeferDragCondition(new Runnable() {
@Override
public void run() {
icon.setVisibility(VISIBLE);
}
});
}
}
}
mLauncher.getWorkspace().beginDragShared(v, this, dragOptions);
if (FeatureFlags.LAUNCHER3_LEGACY_WORKSPACE_DND) {
// Enter spring loaded mode (the new workspace does this in
// onDragStart(), so we don't want to do it here)
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 && !mLauncher.getDragController().isDeferringDrag()) {
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.getLauncher(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);
}
@Override
public void fillInLaunchSourceData(View v, ItemInfo info, Target target, Target targetParent) {
targetParent.containerType = mAppsRecyclerView.getContainerType(v);
}
public boolean shouldRestoreImeState() {
return !TextUtils.isEmpty(mSearchInput.getText());
}
}