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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.LauncherAnimUtils.SCALE_PROPERTY;
import static com.android.launcher3.LauncherState.FAST_OVERVIEW;
import static com.android.launcher3.LauncherState.OVERVIEW;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_FADE;
import static com.android.launcher3.anim.AnimatorSetBuilder.ANIM_OVERVIEW_SCALE;
import static com.android.launcher3.anim.Interpolators.AGGRESSIVE_EASE_IN_OUT;
import static com.android.launcher3.anim.Interpolators.LINEAR;
import static com.android.quickstep.QuickScrubController.QUICK_SCRUB_START_INTERPOLATOR;
import static com.android.quickstep.QuickScrubController.QUICK_SCRUB_TRANSLATION_Y_FACTOR;
import static com.android.quickstep.views.LauncherRecentsView.TRANSLATION_Y_FACTOR;
import static com.android.quickstep.views.RecentsViewContainer.CONTENT_ALPHA;
import android.animation.ValueAnimator;
import android.annotation.TargetApi;
import android.os.Build;
import android.view.animation.Interpolator;
import com.android.launcher3.Launcher;
import com.android.launcher3.LauncherState;
import com.android.launcher3.LauncherStateManager.AnimationConfig;
import com.android.launcher3.LauncherStateManager.StateHandler;
import com.android.launcher3.anim.AnimatorSetBuilder;
import com.android.launcher3.anim.Interpolators;
import com.android.launcher3.anim.PropertySetter;
import com.android.quickstep.views.LauncherRecentsView;
import com.android.quickstep.views.RecentsViewContainer;
@TargetApi(Build.VERSION_CODES.O)
public class RecentsViewStateController implements StateHandler {
private final Launcher mLauncher;
private final LauncherRecentsView mRecentsView;
private final RecentsViewContainer mRecentsViewContainer;
public RecentsViewStateController(Launcher launcher) {
mLauncher = launcher;
mRecentsView = launcher.getOverviewPanel();
mRecentsViewContainer = launcher.getOverviewPanelContainer();
}
@Override
public void setState(LauncherState state) {
mRecentsViewContainer.setContentAlpha(state.overviewUi ? 1 : 0);
float[] scaleTranslationYFactor = state.getOverviewScaleAndTranslationYFactor(mLauncher);
SCALE_PROPERTY.set(mRecentsView, scaleTranslationYFactor[0]);
mRecentsView.setTranslationYFactor(scaleTranslationYFactor[1]);
if (state.overviewUi) {
mRecentsView.updateEmptyMessage();
mRecentsView.resetTaskVisuals();
}
}
@Override
public void setStateWithAnimation(final LauncherState toState,
AnimatorSetBuilder builder, AnimationConfig config) {
if (!config.playAtomicComponent()) {
// The entire recents animation is played atomically.
return;
}
PropertySetter setter = config.getPropertySetter(builder);
float[] scaleTranslationYFactor = toState.getOverviewScaleAndTranslationYFactor(mLauncher);
Interpolator scaleAndTransYInterpolator = builder.getInterpolator(
ANIM_OVERVIEW_SCALE, LINEAR);
if (mLauncher.getStateManager().getState() == OVERVIEW && toState == FAST_OVERVIEW) {
scaleAndTransYInterpolator = Interpolators.clampToProgress(
QUICK_SCRUB_START_INTERPOLATOR, 0, QUICK_SCRUB_TRANSLATION_Y_FACTOR);
}
setter.setFloat(mRecentsView, SCALE_PROPERTY, scaleTranslationYFactor[0],
scaleAndTransYInterpolator);
setter.setFloat(mRecentsView, TRANSLATION_Y_FACTOR, scaleTranslationYFactor[1],
scaleAndTransYInterpolator);
setter.setFloat(mRecentsViewContainer, CONTENT_ALPHA, toState.overviewUi ? 1 : 0,
builder.getInterpolator(ANIM_OVERVIEW_FADE, AGGRESSIVE_EASE_IN_OUT));
if (!toState.overviewUi) {
builder.addOnFinishRunnable(mRecentsView::resetTaskVisuals);
}
if (toState.overviewUi) {
ValueAnimator updateAnim = ValueAnimator.ofFloat(0, 1);
updateAnim.addUpdateListener(valueAnimator -> {
// While animating into recents, update the visible task data as needed
mRecentsView.loadVisibleTaskData();
});
updateAnim.setDuration(config.duration);
builder.play(updateAnim);
mRecentsView.updateEmptyMessage();
}
}
}
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