| /* |
| * 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; |
| |
| import static android.view.Display.DEFAULT_DISPLAY; |
| |
| import android.content.Context; |
| import android.hardware.display.DisplayManager; |
| import android.os.Handler; |
| import android.os.RemoteException; |
| import android.util.Log; |
| import android.util.SparseArray; |
| import android.view.Display; |
| import android.view.IWindowManager; |
| import android.view.View; |
| import android.view.WindowManagerGlobal; |
| |
| import androidx.annotation.Nullable; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.statusbar.RegisterStatusBarResult; |
| import com.android.systemui.Dependency; |
| import com.android.systemui.assist.AssistHandleViewController; |
| import com.android.systemui.dagger.qualifiers.MainHandler; |
| import com.android.systemui.fragments.FragmentHostManager; |
| import com.android.systemui.plugins.DarkIconDispatcher; |
| import com.android.systemui.statusbar.CommandQueue.Callbacks; |
| import com.android.systemui.statusbar.phone.AutoHideController; |
| import com.android.systemui.statusbar.phone.BarTransitions.TransitionMode; |
| import com.android.systemui.statusbar.phone.LightBarController; |
| import com.android.systemui.statusbar.phone.NavigationBarFragment; |
| import com.android.systemui.statusbar.phone.NavigationBarView; |
| import com.android.systemui.statusbar.policy.BatteryController; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| |
| /** A controller to handle navigation bars. */ |
| @Singleton |
| public class NavigationBarController implements Callbacks { |
| |
| private static final String TAG = NavigationBarController.class.getSimpleName(); |
| |
| private final Context mContext; |
| private final Handler mHandler; |
| private final DisplayManager mDisplayManager; |
| |
| /** A displayId - nav bar maps. */ |
| @VisibleForTesting |
| SparseArray<NavigationBarFragment> mNavigationBars = new SparseArray<>(); |
| |
| @Inject |
| public NavigationBarController(Context context, @MainHandler Handler handler, |
| CommandQueue commandQueue) { |
| mContext = context; |
| mHandler = handler; |
| mDisplayManager = (DisplayManager) mContext.getSystemService(Context.DISPLAY_SERVICE); |
| commandQueue.addCallback(this); |
| } |
| |
| @Override |
| public void onDisplayRemoved(int displayId) { |
| removeNavigationBar(displayId); |
| } |
| |
| @Override |
| public void onDisplayReady(int displayId) { |
| Display display = mDisplayManager.getDisplay(displayId); |
| createNavigationBar(display, null); |
| } |
| |
| // TODO(b/117478341): I use {@code includeDefaultDisplay} to make this method compatible to |
| // CarStatusBar because they have their own nav bar. Think about a better way for it. |
| /** |
| * Creates navigation bars when car/status bar initializes. |
| * |
| * @param includeDefaultDisplay {@code true} to create navigation bar on default display. |
| */ |
| public void createNavigationBars(final boolean includeDefaultDisplay, |
| RegisterStatusBarResult result) { |
| Display[] displays = mDisplayManager.getDisplays(); |
| for (Display display : displays) { |
| if (includeDefaultDisplay || display.getDisplayId() != DEFAULT_DISPLAY) { |
| createNavigationBar(display, result); |
| } |
| } |
| } |
| |
| /** |
| * Adds a navigation bar on default display or an external display if the display supports |
| * system decorations. |
| * |
| * @param display the display to add navigation bar on. |
| */ |
| @VisibleForTesting |
| void createNavigationBar(Display display, RegisterStatusBarResult result) { |
| if (display == null) { |
| return; |
| } |
| |
| final int displayId = display.getDisplayId(); |
| final boolean isOnDefaultDisplay = displayId == DEFAULT_DISPLAY; |
| final IWindowManager wms = WindowManagerGlobal.getWindowManagerService(); |
| |
| try { |
| if (!wms.hasNavigationBar(displayId)) { |
| return; |
| } |
| } catch (RemoteException e) { |
| // Cannot get wms, just return with warning message. |
| Log.w(TAG, "Cannot get WindowManager."); |
| return; |
| } |
| final Context context = isOnDefaultDisplay |
| ? mContext |
| : mContext.createDisplayContext(display); |
| NavigationBarFragment.create(context, (tag, fragment) -> { |
| NavigationBarFragment navBar = (NavigationBarFragment) fragment; |
| |
| // Unfortunately, we still need it because status bar needs LightBarController |
| // before notifications creation. We cannot directly use getLightBarController() |
| // from NavigationBarFragment directly. |
| LightBarController lightBarController = isOnDefaultDisplay |
| ? Dependency.get(LightBarController.class) |
| : new LightBarController(context, |
| Dependency.get(DarkIconDispatcher.class), |
| Dependency.get(BatteryController.class)); |
| navBar.setLightBarController(lightBarController); |
| |
| // TODO(b/118592525): to support multi-display, we start to add something which is |
| // per-display, while others may be global. I think it's time to add |
| // a new class maybe named DisplayDependency to solve per-display |
| // Dependency problem. |
| AutoHideController autoHideController = isOnDefaultDisplay |
| ? Dependency.get(AutoHideController.class) |
| : new AutoHideController(context, mHandler, |
| Dependency.get(NotificationRemoteInputManager.class), |
| Dependency.get(IWindowManager.class)); |
| navBar.setAutoHideController(autoHideController); |
| navBar.restoreAppearanceAndTransientState(); |
| mNavigationBars.append(displayId, navBar); |
| |
| if (result != null) { |
| navBar.setImeWindowStatus(display.getDisplayId(), result.mImeToken, |
| result.mImeWindowVis, result.mImeBackDisposition, |
| result.mShowImeSwitcher); |
| } |
| }); |
| } |
| |
| private void removeNavigationBar(int displayId) { |
| NavigationBarFragment navBar = mNavigationBars.get(displayId); |
| if (navBar != null) { |
| View navigationWindow = navBar.getView().getRootView(); |
| WindowManagerGlobal.getInstance() |
| .removeView(navigationWindow, true /* immediate */); |
| // Also remove FragmentHostState here in case that onViewDetachedFromWindow has not yet |
| // invoked after display removal. |
| FragmentHostManager.removeAndDestroy(navigationWindow); |
| mNavigationBars.remove(displayId); |
| } |
| } |
| |
| /** @see NavigationBarFragment#checkNavBarModes() */ |
| public void checkNavBarModes(int displayId) { |
| NavigationBarFragment navBar = mNavigationBars.get(displayId); |
| if (navBar != null) { |
| navBar.checkNavBarModes(); |
| } |
| } |
| |
| /** @see NavigationBarFragment#finishBarAnimations() */ |
| public void finishBarAnimations(int displayId) { |
| NavigationBarFragment navBar = mNavigationBars.get(displayId); |
| if (navBar != null) { |
| navBar.finishBarAnimations(); |
| } |
| } |
| |
| /** @see NavigationBarFragment#touchAutoDim() */ |
| public void touchAutoDim(int displayId) { |
| NavigationBarFragment navBar = mNavigationBars.get(displayId); |
| if (navBar != null) { |
| navBar.touchAutoDim(); |
| } |
| } |
| |
| /** @see NavigationBarFragment#transitionTo(int, boolean) */ |
| public void transitionTo(int displayId, @TransitionMode int barMode, boolean animate) { |
| NavigationBarFragment navBar = mNavigationBars.get(displayId); |
| if (navBar != null) { |
| navBar.transitionTo(barMode, animate); |
| } |
| } |
| |
| /** @see NavigationBarFragment#disableAnimationsDuringHide(long) */ |
| public void disableAnimationsDuringHide(int displayId, long delay) { |
| NavigationBarFragment navBar = mNavigationBars.get(displayId); |
| if (navBar != null) { |
| navBar.disableAnimationsDuringHide(delay); |
| } |
| } |
| |
| /** @return {@link NavigationBarView} on the default display. */ |
| public @Nullable NavigationBarView getDefaultNavigationBarView() { |
| return getNavigationBarView(DEFAULT_DISPLAY); |
| } |
| |
| /** |
| * @param displayId the ID of display which Navigation bar is on |
| * @return {@link NavigationBarView} on the display with {@code displayId}. |
| * {@code null} if no navigation bar on that display. |
| */ |
| public @Nullable NavigationBarView getNavigationBarView(int displayId) { |
| NavigationBarFragment navBar = mNavigationBars.get(displayId); |
| return (navBar == null) ? null : (NavigationBarView) navBar.getView(); |
| } |
| |
| /** @return {@link NavigationBarFragment} on the default display. */ |
| @Nullable |
| public NavigationBarFragment getDefaultNavigationBarFragment() { |
| return mNavigationBars.get(DEFAULT_DISPLAY); |
| } |
| |
| /** @return {@link AssistHandleViewController} (only on the default display). */ |
| @Nullable |
| public AssistHandleViewController getAssistHandlerViewController() { |
| NavigationBarFragment navBar = getDefaultNavigationBarFragment(); |
| return navBar == null ? null : navBar.getAssistHandlerViewController(); |
| } |
| } |