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/*
* Copyright (C) 2017 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.uioverrides;
import static com.android.launcher3.LauncherState.CLEAR_ALL_BUTTON;
import static com.android.launcher3.LauncherState.OVERVIEW_ACTIONS;
import static com.android.launcher3.LauncherState.OVERVIEW_SPLIT_SELECT;
import static com.android.launcher3.anim.Interpolators.LINEAR;
import static com.android.launcher3.states.StateAnimationConfig.ANIM_OVERVIEW_ACTIONS_FADE;
import static com.android.launcher3.util.MultiPropertyFactory.MULTI_PROPERTY_VALUE;
import static com.android.quickstep.views.RecentsView.CONTENT_ALPHA;
import static com.android.quickstep.views.RecentsView.FULLSCREEN_PROGRESS;
import static com.android.quickstep.views.RecentsView.TASK_MODALNESS;
import static com.android.quickstep.views.RecentsView.TASK_PRIMARY_SPLIT_TRANSLATION;
import static com.android.quickstep.views.RecentsView.TASK_SECONDARY_SPLIT_TRANSLATION;
import static com.android.quickstep.views.TaskView.FLAG_UPDATE_ALL;
import android.animation.AnimatorSet;
import android.annotation.TargetApi;
import android.os.Build;
import android.util.FloatProperty;
import android.util.Log;
import android.util.Pair;
import androidx.annotation.NonNull;
import com.android.launcher3.LauncherState;
import com.android.launcher3.Utilities;
import com.android.launcher3.anim.AnimatorListeners;
import com.android.launcher3.anim.PendingAnimation;
import com.android.launcher3.anim.PropertySetter;
import com.android.launcher3.states.StateAnimationConfig;
import com.android.launcher3.touch.PagedOrientationHandler;
import com.android.quickstep.util.AnimUtils;
import com.android.quickstep.util.SplitAnimationTimings;
import com.android.quickstep.views.ClearAllButton;
import com.android.quickstep.views.LauncherRecentsView;
import com.android.quickstep.views.RecentsView;
/**
* State handler for handling UI changes for {@link LauncherRecentsView}. In addition to managing
* the basic view properties, this class also manages changes in the task visuals.
*/
@TargetApi(Build.VERSION_CODES.O)
public final class RecentsViewStateController extends
BaseRecentsViewStateController<LauncherRecentsView> {
public RecentsViewStateController(QuickstepLauncher launcher) {
super(launcher);
}
@Override
public void setState(@NonNull LauncherState state) {
super.setState(state);
if (state.overviewUi) {
mRecentsView.updateEmptyMessage();
mRecentsView.resetTaskVisuals();
}
setAlphas(PropertySetter.NO_ANIM_PROPERTY_SETTER, new StateAnimationConfig(), state);
mRecentsView.setFullscreenProgress(state.getOverviewFullscreenProgress());
// In Overview, we may be layering app surfaces behind Launcher, so we need to notify
// DepthController to prevent optimizations which might occlude the layers behind
mLauncher.getDepthController().setHasContentBehindLauncher(state.overviewUi);
PendingAnimation builder =
new PendingAnimation(state.getTransitionDuration(mLauncher, true));
handleSplitSelectionState(state, builder, /* animate */false);
}
@Override
void setStateWithAnimationInternal(@NonNull LauncherState toState,
@NonNull StateAnimationConfig config, @NonNull PendingAnimation builder) {
super.setStateWithAnimationInternal(toState, config, builder);
if (toState.overviewUi) {
// While animating into recents, update the visible task data as needed
builder.addOnFrameCallback(() -> mRecentsView.loadVisibleTaskData(FLAG_UPDATE_ALL));
mRecentsView.updateEmptyMessage();
// TODO(b/246283207): Remove logging once root cause of flake detected.
if (Utilities.isRunningInTestHarness()) {
Log.d("b/246283207", "RecentsView#setStateWithAnimationInternal getCurrentPage(): "
+ mRecentsView.getCurrentPage()
+ ", getScrollForPage(getCurrentPage())): "
+ mRecentsView.getScrollForPage(mRecentsView.getCurrentPage()));
}
} else {
builder.addListener(
AnimatorListeners.forSuccessCallback(mRecentsView::resetTaskVisuals));
}
// In Overview, we may be layering app surfaces behind Launcher, so we need to notify
// DepthController to prevent optimizations which might occlude the layers behind
builder.addListener(AnimatorListeners.forSuccessCallback(() ->
mLauncher.getDepthController().setHasContentBehindLauncher(toState.overviewUi)));
handleSplitSelectionState(toState, builder, /* animate */true);
setAlphas(builder, config, toState);
builder.setFloat(mRecentsView, FULLSCREEN_PROGRESS,
toState.getOverviewFullscreenProgress(), LINEAR);
}
/**
* Create or dismiss split screen select animations.
* @param builder if null then this will run the split select animations right away, otherwise
* will add animations to builder.
*/
private void handleSplitSelectionState(@NonNull LauncherState toState,
@NonNull PendingAnimation builder, boolean animate) {
if (toState != OVERVIEW_SPLIT_SELECT) {
// Not going to split
return;
}
// Create transition animations to split select
PagedOrientationHandler orientationHandler =
((RecentsView) mLauncher.getOverviewPanel()).getPagedOrientationHandler();
Pair<FloatProperty, FloatProperty> taskViewsFloat =
orientationHandler.getSplitSelectTaskOffset(
TASK_PRIMARY_SPLIT_TRANSLATION, TASK_SECONDARY_SPLIT_TRANSLATION,
mLauncher.getDeviceProfile());
SplitAnimationTimings timings =
AnimUtils.getDeviceOverviewToSplitTimings(mLauncher.getDeviceProfile().isTablet);
mRecentsView.createSplitSelectInitAnimation(builder,
toState.getTransitionDuration(mLauncher, true /* isToState */));
// Shift tasks vertically downward to get out of placeholder view
builder.setFloat(mRecentsView, taskViewsFloat.first,
toState.getSplitSelectTranslation(mLauncher),
timings.getGridSlidePrimaryInterpolator());
// Zero out horizontal translation
builder.setFloat(mRecentsView, taskViewsFloat.second,
0,
timings.getGridSlideSecondaryInterpolator());
if (!animate) {
AnimatorSet as = builder.buildAnim();
as.start();
as.end();
}
}
private void setAlphas(PropertySetter propertySetter, StateAnimationConfig config,
LauncherState state) {
float clearAllButtonAlpha = state.areElementsVisible(mLauncher, CLEAR_ALL_BUTTON) ? 1 : 0;
propertySetter.setFloat(mRecentsView.getClearAllButton(), ClearAllButton.VISIBILITY_ALPHA,
clearAllButtonAlpha, LINEAR);
float overviewButtonAlpha = state.areElementsVisible(mLauncher, OVERVIEW_ACTIONS) ? 1 : 0;
propertySetter.setFloat(mLauncher.getActionsView().getVisibilityAlpha(),
MULTI_PROPERTY_VALUE, overviewButtonAlpha, config.getInterpolator(
ANIM_OVERVIEW_ACTIONS_FADE, LINEAR));
}
@Override
FloatProperty<RecentsView> getTaskModalnessProperty() {
return TASK_MODALNESS;
}
@Override
FloatProperty<RecentsView> getContentAlphaProperty() {
return CONTENT_ALPHA;
}
}
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