| /* |
| * Copyright (C) 2021 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.taskbar; |
| |
| import android.view.View; |
| |
| import androidx.annotation.CallSuper; |
| |
| import com.android.launcher3.model.data.ItemInfo; |
| import com.android.launcher3.model.data.ItemInfoWithIcon; |
| |
| import java.io.PrintWriter; |
| import java.util.stream.Stream; |
| |
| /** |
| * Base class for providing different taskbar UI |
| */ |
| public class TaskbarUIController { |
| |
| public static final TaskbarUIController DEFAULT = new TaskbarUIController(); |
| |
| // Initialized in init. |
| protected TaskbarControllers mControllers; |
| |
| @CallSuper |
| protected void init(TaskbarControllers taskbarControllers) { |
| mControllers = taskbarControllers; |
| } |
| |
| @CallSuper |
| protected void onDestroy() { |
| mControllers = null; |
| } |
| |
| protected boolean isTaskbarTouchable() { |
| return true; |
| } |
| |
| /** |
| * This should only be called by TaskbarStashController so that a TaskbarUIController can |
| * disable stashing. All other controllers should use |
| * {@link TaskbarStashController#supportsVisualStashing()} as the source of truth. |
| */ |
| public boolean supportsVisualStashing() { |
| return true; |
| } |
| |
| protected void onStashedInAppChanged() { } |
| |
| public Stream<ItemInfoWithIcon> getAppIconsForEdu() { |
| return Stream.empty(); |
| } |
| |
| /** Called when an icon is launched. */ |
| public void onTaskbarIconLaunched(ItemInfo item) { } |
| |
| public View getRootView() { |
| return mControllers.taskbarActivityContext.getDragLayer(); |
| } |
| |
| /** |
| * Called when swiping from the bottom nav region in fully gestural mode. |
| * @param inProgress True if the animation started, false if we just settled on an end target. |
| */ |
| public void setSystemGestureInProgress(boolean inProgress) { |
| mControllers.taskbarStashController.setSystemGestureInProgress(inProgress); |
| } |
| |
| /** |
| * Manually closes the all apps window. |
| */ |
| public void hideAllApps() { |
| mControllers.taskbarAllAppsController.hide(); |
| } |
| |
| /** |
| * User expands PiP to full-screen (or split-screen) mode, try to hide the Taskbar. |
| */ |
| public void onExpandPip() { |
| if (mControllers != null) { |
| final TaskbarStashController stashController = mControllers.taskbarStashController; |
| stashController.updateStateForFlag(TaskbarStashController.FLAG_IN_APP, true); |
| stashController.applyState(); |
| } |
| } |
| |
| @CallSuper |
| protected void dumpLogs(String prefix, PrintWriter pw) { |
| pw.println(String.format( |
| "%sTaskbarUIController: using an instance of %s", |
| prefix, |
| getClass().getSimpleName())); |
| } |
| } |