| /* |
| * 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.systemui.statusbar.phone; |
| |
| import android.content.Context; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.util.Log; |
| import android.view.IWindowManager; |
| import android.view.MotionEvent; |
| |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.statusbar.AutoHideUiElement; |
| |
| import javax.inject.Inject; |
| |
| /** A controller to control all auto-hide things. Also see {@link AutoHideUiElement}. */ |
| public class AutoHideController { |
| private static final String TAG = "AutoHideController"; |
| private static final long AUTO_HIDE_TIMEOUT_MS = 2250; |
| |
| private final IWindowManager mWindowManagerService; |
| private final Handler mHandler; |
| |
| private AutoHideUiElement mStatusBar; |
| /** For tablets, this will represent the Taskbar */ |
| private AutoHideUiElement mNavigationBar; |
| private int mDisplayId; |
| |
| private boolean mAutoHideSuspended; |
| |
| private final Runnable mAutoHide = () -> { |
| if (isAnyTransientBarShown()) { |
| hideTransientBars(); |
| } |
| }; |
| |
| @Inject |
| public AutoHideController(Context context, @Main Handler handler, |
| IWindowManager iWindowManager) { |
| mHandler = handler; |
| mWindowManagerService = iWindowManager; |
| |
| mDisplayId = context.getDisplayId(); |
| } |
| |
| /** |
| * Sets a {@link AutoHideUiElement} status bar that should be controlled by the |
| * {@link AutoHideController}. |
| */ |
| public void setStatusBar(AutoHideUiElement element) { |
| mStatusBar = element; |
| } |
| |
| /** |
| * Sets a {@link AutoHideUiElement} navigation bar that should be controlled by the |
| * {@link AutoHideController}. |
| */ |
| public void setNavigationBar(AutoHideUiElement element) { |
| mNavigationBar = element; |
| } |
| |
| private void hideTransientBars() { |
| try { |
| mWindowManagerService.hideTransientBars(mDisplayId); |
| } catch (RemoteException ex) { |
| Log.w(TAG, "Cannot get WindowManager"); |
| } |
| |
| if (mStatusBar != null) { |
| mStatusBar.hide(); |
| } |
| |
| if (mNavigationBar != null) { |
| mNavigationBar.hide(); |
| } |
| } |
| |
| public void resumeSuspendedAutoHide() { |
| if (mAutoHideSuspended) { |
| scheduleAutoHide(); |
| Runnable checkBarModesRunnable = getCheckBarModesRunnable(); |
| if (checkBarModesRunnable != null) { |
| mHandler.postDelayed(checkBarModesRunnable, 500); // longer than home -> launcher |
| } |
| } |
| } |
| |
| public void suspendAutoHide() { |
| mHandler.removeCallbacks(mAutoHide); |
| Runnable checkBarModesRunnable = getCheckBarModesRunnable(); |
| if (checkBarModesRunnable != null) { |
| mHandler.removeCallbacks(checkBarModesRunnable); |
| } |
| mAutoHideSuspended = isAnyTransientBarShown(); |
| } |
| |
| /** Schedules or cancels auto hide behavior based on current system bar state. */ |
| public void touchAutoHide() { |
| // update transient bar auto hide |
| if (isAnyTransientBarShown()) { |
| scheduleAutoHide(); |
| } else { |
| cancelAutoHide(); |
| } |
| } |
| |
| private Runnable getCheckBarModesRunnable() { |
| if (mStatusBar != null) { |
| return () -> mStatusBar.synchronizeState(); |
| } else if (mNavigationBar != null) { |
| return () -> mNavigationBar.synchronizeState(); |
| } else { |
| return null; |
| } |
| } |
| |
| private void cancelAutoHide() { |
| mAutoHideSuspended = false; |
| mHandler.removeCallbacks(mAutoHide); |
| } |
| |
| private void scheduleAutoHide() { |
| cancelAutoHide(); |
| mHandler.postDelayed(mAutoHide, AUTO_HIDE_TIMEOUT_MS); |
| } |
| |
| public void checkUserAutoHide(MotionEvent event) { |
| boolean shouldHide = isAnyTransientBarShown() |
| && event.getAction() == MotionEvent.ACTION_OUTSIDE // touch outside the source bar. |
| && event.getX() == 0 && event.getY() == 0; |
| |
| if (mStatusBar != null) { |
| shouldHide &= mStatusBar.shouldHideOnTouch(); |
| } |
| if (mNavigationBar != null) { |
| shouldHide &= mNavigationBar.shouldHideOnTouch(); |
| } |
| |
| if (shouldHide) { |
| userAutoHide(); |
| } |
| } |
| |
| private void userAutoHide() { |
| cancelAutoHide(); |
| mHandler.postDelayed(mAutoHide, 350); // longer than app gesture -> flag clear |
| } |
| |
| private boolean isAnyTransientBarShown() { |
| if (mStatusBar != null && mStatusBar.isVisible()) { |
| return true; |
| } |
| |
| if (mNavigationBar != null && mNavigationBar.isVisible()) { |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Injectable factory for creating a {@link AutoHideController}. |
| */ |
| public static class Factory { |
| private final Handler mHandler; |
| private final IWindowManager mIWindowManager; |
| |
| @Inject |
| public Factory(@Main Handler handler, IWindowManager iWindowManager) { |
| mHandler = handler; |
| mIWindowManager = iWindowManager; |
| } |
| |
| /** Create an {@link AutoHideController} */ |
| public AutoHideController create(Context context) { |
| return new AutoHideController(context, mHandler, mIWindowManager); |
| } |
| } |
| } |