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/*
* Copyright (C) 2018 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 android.content.Context;
import android.content.res.Resources;
import android.graphics.Rect;
import com.android.launcher3.DeviceProfile;
import com.android.launcher3.Launcher;
import com.android.launcher3.R;
import com.android.quickstep.QuickScrubController;
import com.android.quickstep.views.RecentsView;
/**
* Extension of overview state used for QuickScrub
*/
public class FastOverviewState extends OverviewState {
private static final float MAX_PREVIEW_SCALE_UP = 1.3f;
/**
* Vertical transition of the task previews relative to the full container.
*/
public static final float OVERVIEW_TRANSLATION_FACTOR = 0.5f;
private static final int STATE_FLAGS = FLAG_DISABLE_RESTORE | FLAG_DISABLE_INTERACTION
| FLAG_OVERVIEW_UI | FLAG_HIDE_BACK_BUTTON | FLAG_DISABLE_ACCESSIBILITY;
public FastOverviewState(int id) {
super(id, QuickScrubController.QUICK_SCRUB_FROM_HOME_START_DURATION, STATE_FLAGS);
}
@Override
public void onStateTransitionEnd(Launcher launcher) {
super.onStateTransitionEnd(launcher);
RecentsView recentsView = launcher.getOverviewPanel();
recentsView.getQuickScrubController().onFinishedTransitionToQuickScrub();
}
@Override
public int getVisibleElements(Launcher launcher) {
return NONE;
}
@Override
public float[] getOverviewScaleAndTranslationYFactor(Launcher launcher) {
RecentsView recentsView = launcher.getOverviewPanel();
recentsView.getTaskSize(sTempRect);
return new float[] {getOverviewScale(launcher.getDeviceProfile(), sTempRect, launcher),
OVERVIEW_TRANSLATION_FACTOR};
}
public static float getOverviewScale(DeviceProfile dp, Rect taskRect, Context context) {
if (dp.isVerticalBarLayout()) {
return 1f;
}
Resources res = context.getResources();
float usedHeight = taskRect.height() + res.getDimension(R.dimen.task_thumbnail_top_margin);
float usedWidth = taskRect.width() + 2 * (res.getDimension(R.dimen.recents_page_spacing)
+ res.getDimension(R.dimen.quickscrub_adjacent_visible_width));
return Math.min(Math.min(dp.availableHeightPx / usedHeight,
dp.availableWidthPx / usedWidth), MAX_PREVIEW_SCALE_UP);
}
}
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