| /* |
| * 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 = 0.4f; |
| |
| 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); |
| } |
| |
| @Override |
| public void onStateDisabled(Launcher launcher) { |
| super.onStateDisabled(launcher); |
| launcher.<RecentsView>getOverviewPanel().getQuickScrubController().cancelActiveQuickscrub(); |
| } |
| } |