/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3.allapps;
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import android.animation.ValueAnimator;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Point;
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import android.graphics.Rect;
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import android.os.Bundle;
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import android.os.Process;
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import android.text.Selection;
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import android.text.SpannableStringBuilder;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.KeyEvent;
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import android.view.LayoutInflater;
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import android.view.MotionEvent;
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import android.view.View;
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import android.view.ViewGroup;
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import android.view.WindowInsets;
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import com.android.launcher3.AppInfo;
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import com.android.launcher3.DeviceProfile;
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import com.android.launcher3.DeviceProfile.OnDeviceProfileChangeListener;
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import com.android.launcher3.DragSource;
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import com.android.launcher3.DropTarget.DragObject;
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import com.android.launcher3.Insettable;
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import com.android.launcher3.InsettableFrameLayout;
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import com.android.launcher3.ItemInfo;
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import com.android.launcher3.Launcher;
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import com.android.launcher3.LauncherState;
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import com.android.launcher3.R;
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import com.android.launcher3.testing.TestProtocol;
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import com.android.launcher3.Utilities;
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import com.android.launcher3.compat.AccessibilityManagerCompat;
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import com.android.launcher3.config.FeatureFlags;
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import com.android.launcher3.keyboard.FocusedItemDecorator;
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import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
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import com.android.launcher3.util.ItemInfoMatcher;
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import com.android.launcher3.util.MultiValueAlpha;
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import com.android.launcher3.util.MultiValueAlpha.AlphaProperty;
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import com.android.launcher3.util.Themes;
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import com.android.launcher3.views.BottomUserEducationView;
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import com.android.launcher3.views.RecyclerViewFastScroller;
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import com.android.launcher3.views.SpringRelativeLayout;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.annotation.StringRes;
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import androidx.dynamicanimation.animation.DynamicAnimation;
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import androidx.recyclerview.widget.LinearLayoutManager;
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import androidx.recyclerview.widget.RecyclerView;
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/**
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* The all apps view container.
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*/
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public class AllAppsContainerView extends SpringRelativeLayout implements DragSource,
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Insettable, OnDeviceProfileChangeListener {
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private static final float FLING_VELOCITY_MULTIPLIER = 135f;
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// Starts the springs after at least 55% of the animation has passed.
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private static final float FLING_ANIMATION_THRESHOLD = 0.55f;
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private static final int ALPHA_CHANNEL_COUNT = 2;
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private final Launcher mLauncher;
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private final AdapterHolder[] mAH;
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private final ItemInfoMatcher mPersonalMatcher = ItemInfoMatcher.ofUser(Process.myUserHandle());
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private final ItemInfoMatcher mWorkMatcher = ItemInfoMatcher.not(mPersonalMatcher);
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private final AllAppsStore mAllAppsStore = new AllAppsStore();
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private final Paint mNavBarScrimPaint;
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private int mNavBarScrimHeight = 0;
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private SearchUiManager mSearchUiManager;
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private View mSearchContainer;
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private AllAppsPagedView mViewPager;
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private FloatingHeaderView mHeader;
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private SpannableStringBuilder mSearchQueryBuilder = null;
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private boolean mUsingTabs;
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private boolean mSearchModeWhileUsingTabs = false;
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private RecyclerViewFastScroller mTouchHandler;
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private final Point mFastScrollerOffset = new Point();
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private final MultiValueAlpha mMultiValueAlpha;
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public AllAppsContainerView(Context context) {
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this(context, null);
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}
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public AllAppsContainerView(Context context, AttributeSet attrs) {
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this(context, attrs, 0);
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}
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public AllAppsContainerView(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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mLauncher = Launcher.getLauncher(context);
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mLauncher.addOnDeviceProfileChangeListener(this);
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mSearchQueryBuilder = new SpannableStringBuilder();
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Selection.setSelection(mSearchQueryBuilder, 0);
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mAH = new AdapterHolder[2];
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mAH[AdapterHolder.MAIN] = new AdapterHolder(false /* isWork */);
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mAH[AdapterHolder.WORK] = new AdapterHolder(true /* isWork */);
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mNavBarScrimPaint = new Paint();
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mNavBarScrimPaint.setColor(Themes.getAttrColor(context, R.attr.allAppsNavBarScrimColor));
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mAllAppsStore.addUpdateListener(this::onAppsUpdated);
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addSpringView(R.id.all_apps_header);
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addSpringView(R.id.apps_list_view);
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addSpringView(R.id.all_apps_tabs_view_pager);
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mMultiValueAlpha = new MultiValueAlpha(this, ALPHA_CHANNEL_COUNT);
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}
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public AllAppsStore getAppsStore() {
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return mAllAppsStore;
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}
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public AlphaProperty getAlphaProperty(int index) {
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return mMultiValueAlpha.getProperty(index);
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}
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@Override
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protected void setDampedScrollShift(float shift) {
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// Bound the shift amount to avoid content from drawing on top (Y-val) of the QSB.
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float maxShift = getSearchView().getHeight() / 2f;
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super.setDampedScrollShift(Utilities.boundToRange(shift, -maxShift, maxShift));
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}
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@Override
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public void onDeviceProfileChanged(DeviceProfile dp) {
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for (AdapterHolder holder : mAH) {
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if (holder.recyclerView != null) {
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// Remove all views and clear the pool, while keeping the data same. After this
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// call, all the viewHolders will be recreated.
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holder.recyclerView.swapAdapter(holder.recyclerView.getAdapter(), true);
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holder.recyclerView.getRecycledViewPool().clear();
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}
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}
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}
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private void onAppsUpdated() {
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if (FeatureFlags.ALL_APPS_TABS_ENABLED) {
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boolean hasWorkApps = false;
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for (AppInfo app : mAllAppsStore.getApps()) {
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if (mWorkMatcher.matches(app, null)) {
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hasWorkApps = true;
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break;
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}
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}
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rebindAdapters(hasWorkApps);
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}
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}
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/**
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* Returns whether the view itself will handle the touch event or not.
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*/
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public boolean shouldContainerScroll(MotionEvent ev) {
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// IF the MotionEvent is inside the search box, and the container keeps on receiving
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// touch input, container should move down.
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if (mLauncher.getDragLayer().isEventOverView(mSearchContainer, ev)) {
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return true;
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}
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AllAppsRecyclerView rv = getActiveRecyclerView();
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if (rv == null) {
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return true;
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}
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if (rv.getScrollbar().getThumbOffsetY() >= 0 &&
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mLauncher.getDragLayer().isEventOverView(rv.getScrollbar(), ev)) {
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return false;
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}
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return rv.shouldContainerScroll(ev, mLauncher.getDragLayer());
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}
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@Override
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public boolean onInterceptTouchEvent(MotionEvent ev) {
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// The AllAppsContainerView houses the QSB and is hence visible from the Workspace
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// Overview states. We shouldn't intercept for the scrubber in these cases.
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if (!mLauncher.isInState(LauncherState.ALL_APPS)) return false;
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if (ev.getAction() == MotionEvent.ACTION_DOWN) {
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AllAppsRecyclerView rv = getActiveRecyclerView();
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if (rv != null &&
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rv.getScrollbar().isHitInParent(ev.getX(), ev.getY(), mFastScrollerOffset)) {
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mTouchHandler = rv.getScrollbar();
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} else {
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mTouchHandler = null;
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}
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}
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if (mTouchHandler != null) {
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return mTouchHandler.handleTouchEvent(ev, mFastScrollerOffset);
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}
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return false;
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}
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@Override
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public boolean onTouchEvent(MotionEvent ev) {
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if (mTouchHandler != null) {
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mTouchHandler.handleTouchEvent(ev, mFastScrollerOffset);
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return true;
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}
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return false;
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}
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public String getDescription() {
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@StringRes int descriptionRes;
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if (mUsingTabs) {
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descriptionRes =
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mViewPager.getNextPage() == 0
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? R.string.all_apps_button_personal_label
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: R.string.all_apps_button_work_label;
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} else {
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descriptionRes = R.string.all_apps_button_label;
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}
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return getContext().getString(descriptionRes);
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}
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public AllAppsRecyclerView getActiveRecyclerView() {
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if (!mUsingTabs || mViewPager.getNextPage() == 0) {
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return mAH[AdapterHolder.MAIN].recyclerView;
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} else {
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return mAH[AdapterHolder.WORK].recyclerView;
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}
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}
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/**
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* Resets the state of AllApps.
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*/
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public void reset(boolean animate) {
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for (int i = 0; i < mAH.length; i++) {
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if (mAH[i].recyclerView != null) {
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mAH[i].recyclerView.scrollToTop();
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}
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}
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if (isHeaderVisible()) {
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mHeader.reset(animate);
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}
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// Reset the search bar and base recycler view after transitioning home
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mSearchUiManager.resetSearch();
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}
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@Override
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protected void onFinishInflate() {
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super.onFinishInflate();
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// This is a focus listener that proxies focus from a view into the list view. This is to
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// work around the search box from getting first focus and showing the cursor.
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setOnFocusChangeListener((v, hasFocus) -> {
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if (hasFocus && getActiveRecyclerView() != null) {
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getActiveRecyclerView().requestFocus();
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}
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});
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mHeader = findViewById(R.id.all_apps_header);
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rebindAdapters(mUsingTabs, true /* force */);
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mSearchContainer = findViewById(R.id.search_container_all_apps);
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mSearchUiManager = (SearchUiManager) mSearchContainer;
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mSearchUiManager.initialize(this);
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}
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public SearchUiManager getSearchUiManager() {
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return mSearchUiManager;
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}
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@Override
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public boolean dispatchKeyEvent(KeyEvent event) {
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mSearchUiManager.preDispatchKeyEvent(event);
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return super.dispatchKeyEvent(event);
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}
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@Override
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public void onDropCompleted(View target, DragObject d, boolean success) { }
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@Override
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public void fillInLogContainerData(View v, ItemInfo info, Target target, Target targetParent) {
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// This is filled in {@link AllAppsRecyclerView}
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}
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@Override
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public void setInsets(Rect insets) {
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DeviceProfile grid = mLauncher.getDeviceProfile();
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int leftRightPadding = grid.desiredWorkspaceLeftRightMarginPx
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+ grid.cellLayoutPaddingLeftRightPx;
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for (int i = 0; i < mAH.length; i++) {
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mAH[i].padding.bottom = insets.bottom;
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mAH[i].padding.left = mAH[i].padding.right = leftRightPadding;
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mAH[i].applyPadding();
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}
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ViewGroup.MarginLayoutParams mlp = (MarginLayoutParams) getLayoutParams();
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if (grid.isVerticalBarLayout()) {
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mlp.leftMargin = insets.left;
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mlp.rightMargin = insets.right;
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setPadding(grid.workspacePadding.left, 0, grid.workspacePadding.right, 0);
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} else {
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mlp.leftMargin = mlp.rightMargin = 0;
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setPadding(0, 0, 0, 0);
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}
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setLayoutParams(mlp);
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InsettableFrameLayout.dispatchInsets(this, insets);
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mLauncher.getAllAppsController()
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.setScrollRangeDelta(mSearchUiManager.getScrollRangeDelta(insets));
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}
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@Override
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public WindowInsets dispatchApplyWindowInsets(WindowInsets insets) {
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if (Utilities.ATLEAST_Q) {
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mNavBarScrimHeight = insets.getTappableElementInsets().bottom;
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} else {
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mNavBarScrimHeight = insets.getStableInsetBottom();
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}
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return super.dispatchApplyWindowInsets(insets);
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}
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@Override
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protected void dispatchDraw(Canvas canvas) {
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super.dispatchDraw(canvas);
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if (mNavBarScrimHeight > 0) {
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canvas.drawRect(0, getHeight() - mNavBarScrimHeight, getWidth(), getHeight(),
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mNavBarScrimPaint);
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}
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}
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@Override
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public int getCanvasClipTopForOverscroll() {
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// Do not clip if the QSB is attached to the spring, otherwise the QSB will get clipped.
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return mSpringViews.get(getSearchView().getId()) ? 0 : mHeader.getTop();
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}
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private void rebindAdapters(boolean showTabs) {
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rebindAdapters(showTabs, false /* force */);
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}
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private void rebindAdapters(boolean showTabs, boolean force) {
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if (showTabs == mUsingTabs && !force) {
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return;
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}
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replaceRVContainer(showTabs);
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mUsingTabs = showTabs;
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mAllAppsStore.unregisterIconContainer(mAH[AdapterHolder.MAIN].recyclerView);
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mAllAppsStore.unregisterIconContainer(mAH[AdapterHolder.WORK].recyclerView);
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if (mUsingTabs) {
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mAH[AdapterHolder.MAIN].setup(mViewPager.getChildAt(0), mPersonalMatcher);
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mAH[AdapterHolder.WORK].setup(mViewPager.getChildAt(1), mWorkMatcher);
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onTabChanged(mViewPager.getNextPage());
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} else {
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mAH[AdapterHolder.MAIN].setup(findViewById(R.id.apps_list_view), null);
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mAH[AdapterHolder.WORK].recyclerView = null;
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}
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setupHeader();
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mAllAppsStore.registerIconContainer(mAH[AdapterHolder.MAIN].recyclerView);
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mAllAppsStore.registerIconContainer(mAH[AdapterHolder.WORK].recyclerView);
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}
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private void replaceRVContainer(boolean showTabs) {
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for (int i = 0; i < mAH.length; i++) {
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if (mAH[i].recyclerView != null) {
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mAH[i].recyclerView.setLayoutManager(null);
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}
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}
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View oldView = getRecyclerViewContainer();
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int index = indexOfChild(oldView);
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removeView(oldView);
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int layout = showTabs ? R.layout.all_apps_tabs : R.layout.all_apps_rv_layout;
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View newView = LayoutInflater.from(getContext()).inflate(layout, this, false);
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addView(newView, index);
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if (showTabs) {
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mViewPager = (AllAppsPagedView) newView;
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mViewPager.initParentViews(this);
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mViewPager.getPageIndicator().setContainerView(this);
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} else {
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mViewPager = null;
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}
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}
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public View getRecyclerViewContainer() {
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return mViewPager != null ? mViewPager : findViewById(R.id.apps_list_view);
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}
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public void onTabChanged(int pos) {
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mHeader.setMainActive(pos == 0);
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reset(true /* animate */);
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if (mAH[pos].recyclerView != null) {
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mAH[pos].recyclerView.bindFastScrollbar();
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findViewById(R.id.tab_personal)
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.setOnClickListener((View view) -> mViewPager.snapToPage(AdapterHolder.MAIN));
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findViewById(R.id.tab_work)
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.setOnClickListener((View view) -> mViewPager.snapToPage(AdapterHolder.WORK));
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}
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if (pos == AdapterHolder.WORK) {
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BottomUserEducationView.showIfNeeded(mLauncher);
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}
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}
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// Used by tests only
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private boolean isDescendantViewVisible(int viewId) {
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final View view = findViewById(viewId);
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if (view == null) return false;
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if (!view.isShown()) return false;
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return view.getGlobalVisibleRect(new Rect());
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}
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// Used by tests only
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public boolean isPersonalTabVisible() {
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return isDescendantViewVisible(R.id.tab_personal);
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}
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// Used by tests only
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public boolean isWorkTabVisible() {
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return isDescendantViewVisible(R.id.tab_work);
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}
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public AlphabeticalAppsList getApps() {
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return mAH[AdapterHolder.MAIN].appsList;
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}
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public FloatingHeaderView getFloatingHeaderView() {
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return mHeader;
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}
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public View getSearchView() {
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return mSearchContainer;
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}
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public View getContentView() {
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return mViewPager == null ? getActiveRecyclerView() : mViewPager;
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}
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public RecyclerViewFastScroller getScrollBar() {
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AllAppsRecyclerView rv = getActiveRecyclerView();
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return rv == null ? null : rv.getScrollbar();
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}
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public void setupHeader() {
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mHeader.setVisibility(View.VISIBLE);
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mHeader.setup(mAH, mAH[AllAppsContainerView.AdapterHolder.WORK].recyclerView == null);
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int padding = mHeader.getMaxTranslation();
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for (int i = 0; i < mAH.length; i++) {
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mAH[i].padding.top = padding;
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mAH[i].applyPadding();
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}
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}
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public void setLastSearchQuery(String query) {
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for (int i = 0; i < mAH.length; i++) {
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mAH[i].adapter.setLastSearchQuery(query);
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}
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if (mUsingTabs) {
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mSearchModeWhileUsingTabs = true;
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rebindAdapters(false); // hide tabs
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}
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}
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public void onClearSearchResult() {
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if (mSearchModeWhileUsingTabs) {
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rebindAdapters(true); // show tabs
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mSearchModeWhileUsingTabs = false;
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}
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}
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public void onSearchResultsChanged() {
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for (int i = 0; i < mAH.length; i++) {
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if (mAH[i].recyclerView != null) {
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mAH[i].recyclerView.onSearchResultsChanged();
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}
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}
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}
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public void setRecyclerViewVerticalFadingEdgeEnabled(boolean enabled) {
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for (int i = 0; i < mAH.length; i++) {
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mAH[i].applyVerticalFadingEdgeEnabled(enabled);
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}
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}
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public void addElevationController(RecyclerView.OnScrollListener scrollListener) {
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if (!mUsingTabs) {
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mAH[AdapterHolder.MAIN].recyclerView.addOnScrollListener(scrollListener);
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}
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}
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public boolean isHeaderVisible() {
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return mHeader != null && mHeader.getVisibility() == View.VISIBLE;
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}
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public void onScrollUpEnd() {
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highlightWorkTabIfNecessary();
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}
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void highlightWorkTabIfNecessary() {
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if (mUsingTabs) {
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((PersonalWorkSlidingTabStrip) findViewById(R.id.tabs))
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.highlightWorkTabIfNecessary();
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}
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}
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/**
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* Adds an update listener to {@param animator} that adds springs to the animation.
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*/
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public void addSpringFromFlingUpdateListener(ValueAnimator animator, float velocity) {
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animator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
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boolean shouldSpring = true;
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@Override
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public void onAnimationUpdate(ValueAnimator valueAnimator) {
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if (shouldSpring
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&& valueAnimator.getAnimatedFraction() >= FLING_ANIMATION_THRESHOLD) {
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int searchViewId = getSearchView().getId();
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addSpringView(searchViewId);
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finishWithShiftAndVelocity(1, velocity * FLING_VELOCITY_MULTIPLIER,
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new DynamicAnimation.OnAnimationEndListener() {
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@Override
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public void onAnimationEnd(DynamicAnimation animation,
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boolean canceled, float value, float velocity) {
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removeSpringView(searchViewId);
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}
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});
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shouldSpring = false;
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}
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}
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});
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}
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@Override
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public void getDrawingRect(Rect outRect) {
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super.getDrawingRect(outRect);
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outRect.offset(0, (int) getTranslationY());
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}
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public class AdapterHolder {
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public static final int MAIN = 0;
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public static final int WORK = 1;
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public final AllAppsGridAdapter adapter;
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final LinearLayoutManager layoutManager;
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final AlphabeticalAppsList appsList;
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final Rect padding = new Rect();
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AllAppsRecyclerView recyclerView;
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boolean verticalFadingEdge;
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AdapterHolder(boolean isWork) {
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appsList = new AlphabeticalAppsList(mLauncher, mAllAppsStore, isWork);
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adapter = new AllAppsGridAdapter(mLauncher, appsList);
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appsList.setAdapter(adapter);
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layoutManager = adapter.getLayoutManager();
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}
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void setup(@NonNull View rv, @Nullable ItemInfoMatcher matcher) {
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appsList.updateItemFilter(matcher);
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recyclerView = (AllAppsRecyclerView) rv;
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recyclerView.setEdgeEffectFactory(createEdgeEffectFactory());
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recyclerView.setApps(appsList, mUsingTabs);
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recyclerView.setLayoutManager(layoutManager);
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recyclerView.setAdapter(adapter);
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recyclerView.setHasFixedSize(true);
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// No animations will occur when changes occur to the items in this RecyclerView.
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recyclerView.setItemAnimator(null);
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FocusedItemDecorator focusedItemDecorator = new FocusedItemDecorator(recyclerView);
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recyclerView.addItemDecoration(focusedItemDecorator);
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adapter.setIconFocusListener(focusedItemDecorator.getFocusListener());
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applyVerticalFadingEdgeEnabled(verticalFadingEdge);
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applyPadding();
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}
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void applyPadding() {
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if (recyclerView != null) {
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recyclerView.setPadding(padding.left, padding.top, padding.right, padding.bottom);
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}
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}
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public void applyVerticalFadingEdgeEnabled(boolean enabled) {
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verticalFadingEdge = enabled;
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mAH[AdapterHolder.MAIN].recyclerView.setVerticalFadingEdgeEnabled(!mUsingTabs
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&& verticalFadingEdge);
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}
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}
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@Override
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public boolean performAccessibilityAction(int action, Bundle arguments) {
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if (AccessibilityManagerCompat.processTestRequest(
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mLauncher, TestProtocol.GET_SCROLL_MESSAGE, action, arguments,
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response ->
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response.putInt(TestProtocol.SCROLL_Y_FIELD,
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getActiveRecyclerView().getCurrentScrollY()))) {
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return true;
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}
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return super.performAccessibilityAction(action, arguments);
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}
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@Override
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public boolean dispatchTouchEvent(MotionEvent ev) {
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if (TestProtocol.sDebugTracing) {
|
Log.d(TestProtocol.NO_START_TAG, "AllAppsContainerView.dispatchTouchEvent " + ev);
|
}
|
final boolean result = super.dispatchTouchEvent(ev);
|
switch (ev.getActionMasked()) {
|
case MotionEvent.ACTION_DOWN:
|
if (result) mAllAppsStore.enableDeferUpdates(
|
AllAppsStore.DEFER_UPDATES_USER_INTERACTION);
|
break;
|
case MotionEvent.ACTION_UP:
|
case MotionEvent.ACTION_CANCEL:
|
mAllAppsStore.disableDeferUpdates(AllAppsStore.DEFER_UPDATES_USER_INTERACTION);
|
break;
|
}
|
return result;
|
}
|
}
|
