| /* |
| * Copyright (C) 2017 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.recents; |
| |
| import static android.content.pm.PackageManager.MATCH_SYSTEM_ONLY; |
| import static android.view.Display.DEFAULT_DISPLAY; |
| import static android.view.MotionEvent.ACTION_CANCEL; |
| import static android.view.MotionEvent.ACTION_DOWN; |
| import static android.view.MotionEvent.ACTION_UP; |
| import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON; |
| |
| import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_INPUT_MONITOR; |
| import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SUPPORTS_WINDOW_CORNERS; |
| import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SYSUI_PROXY; |
| import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_WINDOW_CORNER_RADIUS; |
| import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BOUNCER_SHOWING; |
| import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING; |
| import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING_OCCLUDED; |
| |
| import android.annotation.FloatRange; |
| import android.app.ActivityTaskManager; |
| import android.content.BroadcastReceiver; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.content.ServiceConnection; |
| import android.graphics.Rect; |
| import android.graphics.Region; |
| import android.hardware.input.InputManager; |
| import android.os.Binder; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.os.IBinder; |
| import android.os.Looper; |
| import android.os.PatternMatcher; |
| import android.os.RemoteException; |
| import android.os.UserHandle; |
| import android.util.Log; |
| import android.view.InputMonitor; |
| import android.view.MotionEvent; |
| import android.view.accessibility.AccessibilityManager; |
| |
| import com.android.internal.policy.ScreenDecorationsUtils; |
| import com.android.systemui.Dumpable; |
| import com.android.systemui.SysUiServiceProvider; |
| import com.android.systemui.recents.OverviewProxyService.OverviewProxyListener; |
| import com.android.systemui.shared.recents.IOverviewProxy; |
| import com.android.systemui.shared.recents.ISystemUiProxy; |
| import com.android.systemui.shared.system.ActivityManagerWrapper; |
| import com.android.systemui.shared.system.QuickStepContract; |
| import com.android.systemui.shared.system.QuickStepContract.SystemUiStateFlags; |
| import com.android.systemui.stackdivider.Divider; |
| import com.android.systemui.statusbar.NavigationBarController; |
| import com.android.systemui.statusbar.phone.NavigationBarFragment; |
| import com.android.systemui.statusbar.phone.NavigationBarView; |
| import com.android.systemui.statusbar.phone.NavigationModeController; |
| import com.android.systemui.statusbar.phone.StatusBar; |
| import com.android.systemui.statusbar.phone.StatusBarWindowCallback; |
| import com.android.systemui.statusbar.phone.StatusBarWindowController; |
| import com.android.systemui.statusbar.policy.CallbackController; |
| import com.android.systemui.statusbar.policy.DeviceProvisionedController; |
| import com.android.systemui.statusbar.policy.DeviceProvisionedController.DeviceProvisionedListener; |
| |
| import java.io.FileDescriptor; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.inject.Inject; |
| import javax.inject.Singleton; |
| |
| /** |
| * Class to send information from overview to launcher with a binder. |
| */ |
| @Singleton |
| public class OverviewProxyService implements CallbackController<OverviewProxyListener>, |
| NavigationModeController.ModeChangedListener, Dumpable { |
| |
| private static final String ACTION_QUICKSTEP = "android.intent.action.QUICKSTEP_SERVICE"; |
| |
| public static final String TAG_OPS = "OverviewProxyService"; |
| private static final long BACKOFF_MILLIS = 1000; |
| private static final long DEFERRED_CALLBACK_MILLIS = 5000; |
| |
| // Max backoff caps at 5 mins |
| private static final long MAX_BACKOFF_MILLIS = 10 * 60 * 1000; |
| |
| private final Context mContext; |
| private final Handler mHandler; |
| private final NavigationBarController mNavBarController; |
| private final StatusBarWindowController mStatusBarWinController; |
| private final Runnable mConnectionRunnable = this::internalConnectToCurrentUser; |
| private final ComponentName mRecentsComponentName; |
| private final DeviceProvisionedController mDeviceProvisionedController; |
| private final List<OverviewProxyListener> mConnectionCallbacks = new ArrayList<>(); |
| private final Intent mQuickStepIntent; |
| |
| private Region mActiveNavBarRegion; |
| |
| private IOverviewProxy mOverviewProxy; |
| private int mConnectionBackoffAttempts; |
| private @SystemUiStateFlags int mSysUiStateFlags; |
| private boolean mBound; |
| private boolean mIsEnabled; |
| private int mCurrentBoundedUserId = -1; |
| private float mBackButtonAlpha; |
| private MotionEvent mStatusBarGestureDownEvent; |
| private float mWindowCornerRadius; |
| private boolean mSupportsRoundedCornersOnWindows; |
| private int mNavBarMode = NAV_BAR_MODE_3BUTTON; |
| |
| private ISystemUiProxy mSysUiProxy = new ISystemUiProxy.Stub() { |
| |
| @Override |
| public void startScreenPinning(int taskId) { |
| if (!verifyCaller("startScreenPinning")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mHandler.post(() -> { |
| StatusBar statusBar = SysUiServiceProvider.getComponent(mContext, |
| StatusBar.class); |
| if (statusBar != null) { |
| statusBar.showScreenPinningRequest(taskId, false /* allowCancel */); |
| } |
| }); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void stopScreenPinning() { |
| if (!verifyCaller("stopScreenPinning")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mHandler.post(() -> { |
| try { |
| ActivityTaskManager.getService().stopSystemLockTaskMode(); |
| } catch (RemoteException e) { |
| Log.e(TAG_OPS, "Failed to stop screen pinning"); |
| } |
| }); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void onStatusBarMotionEvent(MotionEvent event) { |
| if (!verifyCaller("onStatusBarMotionEvent")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| // TODO move this logic to message queue |
| mHandler.post(()->{ |
| StatusBar bar = SysUiServiceProvider.getComponent(mContext, StatusBar.class); |
| if (bar != null) { |
| bar.dispatchNotificationsPanelTouchEvent(event); |
| |
| int action = event.getActionMasked(); |
| if (action == ACTION_DOWN) { |
| mStatusBarGestureDownEvent = MotionEvent.obtain(event); |
| } |
| if (action == ACTION_UP || action == ACTION_CANCEL) { |
| mStatusBarGestureDownEvent.recycle(); |
| mStatusBarGestureDownEvent = null; |
| } |
| event.recycle(); |
| } |
| }); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void onSplitScreenInvoked() { |
| if (!verifyCaller("onSplitScreenInvoked")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| Divider divider = SysUiServiceProvider.getComponent(mContext, Divider.class); |
| if (divider != null) { |
| divider.onDockedFirstAnimationFrame(); |
| } |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void onOverviewShown(boolean fromHome) { |
| if (!verifyCaller("onOverviewShown")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mHandler.post(() -> { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).onOverviewShown(fromHome); |
| } |
| }); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public Rect getNonMinimizedSplitScreenSecondaryBounds() { |
| if (!verifyCaller("getNonMinimizedSplitScreenSecondaryBounds")) { |
| return null; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| Divider divider = SysUiServiceProvider.getComponent(mContext, Divider.class); |
| if (divider != null) { |
| return divider.getView().getNonMinimizedSplitScreenSecondaryBounds(); |
| } |
| return null; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void setBackButtonAlpha(float alpha, boolean animate) { |
| if (!verifyCaller("setBackButtonAlpha")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mBackButtonAlpha = alpha; |
| mHandler.post(() -> { |
| notifyBackButtonAlphaChanged(alpha, animate); |
| }); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void onAssistantProgress(@FloatRange(from = 0.0, to = 1.0) float progress) { |
| if (!verifyCaller("onAssistantProgress")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mHandler.post(() -> notifyAssistantProgress(progress)); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void onAssistantGestureCompletion(float velocity) { |
| if (!verifyCaller("onAssistantGestureCompletion")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mHandler.post(() -> notifyAssistantGestureCompletion(velocity)); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void startAssistant(Bundle bundle) { |
| if (!verifyCaller("startAssistant")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| mHandler.post(() -> notifyStartAssistant(bundle)); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public Bundle monitorGestureInput(String name, int displayId) { |
| if (!verifyCaller("monitorGestureInput")) { |
| return null; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| InputMonitor monitor = |
| InputManager.getInstance().monitorGestureInput(name, displayId); |
| Bundle result = new Bundle(); |
| result.putParcelable(KEY_EXTRA_INPUT_MONITOR, monitor); |
| return result; |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void notifyAccessibilityButtonClicked(int displayId) { |
| if (!verifyCaller("notifyAccessibilityButtonClicked")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| AccessibilityManager.getInstance(mContext) |
| .notifyAccessibilityButtonClicked(displayId); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| @Override |
| public void notifyAccessibilityButtonLongClicked() { |
| if (!verifyCaller("notifyAccessibilityButtonLongClicked")) { |
| return; |
| } |
| long token = Binder.clearCallingIdentity(); |
| try { |
| Intent intent = new Intent(AccessibilityManager.ACTION_CHOOSE_ACCESSIBILITY_BUTTON); |
| intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK); |
| mContext.startActivityAsUser(intent, UserHandle.CURRENT); |
| } finally { |
| Binder.restoreCallingIdentity(token); |
| } |
| } |
| |
| private boolean verifyCaller(String reason) { |
| final int callerId = Binder.getCallingUserHandle().getIdentifier(); |
| if (callerId != mCurrentBoundedUserId) { |
| Log.w(TAG_OPS, "Launcher called sysui with invalid user: " + callerId + ", reason: " |
| + reason); |
| return false; |
| } |
| return true; |
| } |
| }; |
| |
| private final Runnable mDeferredConnectionCallback = () -> { |
| Log.w(TAG_OPS, "Binder supposed established connection but actual connection to service " |
| + "timed out, trying again"); |
| retryConnectionWithBackoff(); |
| }; |
| |
| private final BroadcastReceiver mLauncherStateChangedReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| updateEnabledState(); |
| |
| // Reconnect immediately, instead of waiting for resume to arrive. |
| startConnectionToCurrentUser(); |
| } |
| }; |
| |
| private final ServiceConnection mOverviewServiceConnection = new ServiceConnection() { |
| @Override |
| public void onServiceConnected(ComponentName name, IBinder service) { |
| mConnectionBackoffAttempts = 0; |
| mHandler.removeCallbacks(mDeferredConnectionCallback); |
| try { |
| service.linkToDeath(mOverviewServiceDeathRcpt, 0); |
| } catch (RemoteException e) { |
| // Failed to link to death (process may have died between binding and connecting), |
| // just unbind the service for now and retry again |
| Log.e(TAG_OPS, "Lost connection to launcher service", e); |
| disconnectFromLauncherService(); |
| retryConnectionWithBackoff(); |
| return; |
| } |
| |
| mCurrentBoundedUserId = mDeviceProvisionedController.getCurrentUser(); |
| mOverviewProxy = IOverviewProxy.Stub.asInterface(service); |
| |
| Bundle params = new Bundle(); |
| params.putBinder(KEY_EXTRA_SYSUI_PROXY, mSysUiProxy.asBinder()); |
| params.putFloat(KEY_EXTRA_WINDOW_CORNER_RADIUS, mWindowCornerRadius); |
| params.putBoolean(KEY_EXTRA_SUPPORTS_WINDOW_CORNERS, mSupportsRoundedCornersOnWindows); |
| try { |
| mOverviewProxy.onInitialize(params); |
| } catch (RemoteException e) { |
| mCurrentBoundedUserId = -1; |
| Log.e(TAG_OPS, "Failed to call onInitialize()", e); |
| } |
| dispatchNavButtonBounds(); |
| |
| // Update the systemui state flags |
| updateSystemUiStateFlags(); |
| |
| notifyConnectionChanged(); |
| } |
| |
| @Override |
| public void onNullBinding(ComponentName name) { |
| Log.w(TAG_OPS, "Null binding of '" + name + "', try reconnecting"); |
| mCurrentBoundedUserId = -1; |
| retryConnectionWithBackoff(); |
| } |
| |
| @Override |
| public void onBindingDied(ComponentName name) { |
| Log.w(TAG_OPS, "Binding died of '" + name + "', try reconnecting"); |
| mCurrentBoundedUserId = -1; |
| retryConnectionWithBackoff(); |
| } |
| |
| @Override |
| public void onServiceDisconnected(ComponentName name) { |
| // Do nothing |
| mCurrentBoundedUserId = -1; |
| } |
| }; |
| |
| private final DeviceProvisionedListener mDeviceProvisionedCallback = |
| new DeviceProvisionedListener() { |
| @Override |
| public void onUserSetupChanged() { |
| if (mDeviceProvisionedController.isCurrentUserSetup()) { |
| internalConnectToCurrentUser(); |
| } |
| } |
| |
| @Override |
| public void onUserSwitched() { |
| mConnectionBackoffAttempts = 0; |
| internalConnectToCurrentUser(); |
| } |
| }; |
| |
| private final StatusBarWindowCallback mStatusBarWindowCallback = this::onStatusBarStateChanged; |
| |
| // This is the death handler for the binder from the launcher service |
| private final IBinder.DeathRecipient mOverviewServiceDeathRcpt |
| = this::cleanupAfterDeath; |
| |
| @Inject |
| public OverviewProxyService(Context context, DeviceProvisionedController provisionController, |
| NavigationBarController navBarController, NavigationModeController navModeController, |
| StatusBarWindowController statusBarWinController) { |
| mContext = context; |
| mHandler = new Handler(); |
| mNavBarController = navBarController; |
| mStatusBarWinController = statusBarWinController; |
| mDeviceProvisionedController = provisionController; |
| mConnectionBackoffAttempts = 0; |
| mRecentsComponentName = ComponentName.unflattenFromString(context.getString( |
| com.android.internal.R.string.config_recentsComponentName)); |
| mQuickStepIntent = new Intent(ACTION_QUICKSTEP) |
| .setPackage(mRecentsComponentName.getPackageName()); |
| mWindowCornerRadius = ScreenDecorationsUtils.getWindowCornerRadius(mContext.getResources()); |
| mSupportsRoundedCornersOnWindows = ScreenDecorationsUtils |
| .supportsRoundedCornersOnWindows(mContext.getResources()); |
| |
| // Assumes device always starts with back button until launcher tells it that it does not |
| mBackButtonAlpha = 1.0f; |
| |
| // Listen for nav bar mode changes |
| mNavBarMode = navModeController.addListener(this); |
| |
| // Listen for device provisioned/user setup |
| updateEnabledState(); |
| mDeviceProvisionedController.addCallback(mDeviceProvisionedCallback); |
| |
| // Listen for launcher package changes |
| IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_ADDED); |
| filter.addDataScheme("package"); |
| filter.addDataSchemeSpecificPart(mRecentsComponentName.getPackageName(), |
| PatternMatcher.PATTERN_LITERAL); |
| filter.addAction(Intent.ACTION_PACKAGE_CHANGED); |
| mContext.registerReceiver(mLauncherStateChangedReceiver, filter); |
| |
| // Listen for status bar state changes |
| statusBarWinController.registerCallback(mStatusBarWindowCallback); |
| } |
| |
| public void notifyBackAction(boolean completed, int downX, int downY, boolean isButton, |
| boolean gestureSwipeLeft) { |
| try { |
| if (mOverviewProxy != null) { |
| mOverviewProxy.onBackAction(completed, downX, downY, isButton, gestureSwipeLeft); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG_OPS, "Failed to notify back action", e); |
| } |
| } |
| |
| public void setSystemUiStateFlag(int flag, boolean enabled, int displayId) { |
| if (displayId != DEFAULT_DISPLAY) { |
| // Ignore non-default displays for now |
| return; |
| } |
| |
| int newState = mSysUiStateFlags; |
| if (enabled) { |
| newState |= flag; |
| } else { |
| newState &= ~flag; |
| } |
| if (mSysUiStateFlags != newState) { |
| mSysUiStateFlags = newState; |
| notifySystemUiStateChanged(mSysUiStateFlags); |
| notifySystemUiStateFlags(mSysUiStateFlags); |
| } |
| } |
| |
| public int getSystemUiStateFlags() { |
| return mSysUiStateFlags; |
| } |
| |
| private void updateSystemUiStateFlags() { |
| final NavigationBarFragment navBarFragment = |
| mNavBarController.getDefaultNavigationBarFragment(); |
| final NavigationBarView navBarView = |
| mNavBarController.getNavigationBarView(mContext.getDisplayId()); |
| |
| mSysUiStateFlags = 0; |
| if (navBarFragment != null) { |
| navBarFragment.updateSystemUiStateFlags(-1); |
| } |
| if (navBarView != null) { |
| navBarView.updateSystemUiStateFlags(); |
| } |
| if (mStatusBarWinController != null) { |
| mStatusBarWinController.notifyStateChangedCallbacks(); |
| } |
| notifySystemUiStateFlags(mSysUiStateFlags); |
| } |
| |
| private void notifySystemUiStateFlags(int flags) { |
| try { |
| if (mOverviewProxy != null) { |
| mOverviewProxy.onSystemUiStateChanged(flags); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG_OPS, "Failed to notify sysui state change", e); |
| } |
| } |
| |
| private void onStatusBarStateChanged(boolean keyguardShowing, boolean keyguardOccluded, |
| boolean bouncerShowing) { |
| int displayId = mContext.getDisplayId(); |
| setSystemUiStateFlag(SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING, |
| keyguardShowing && !keyguardOccluded, displayId); |
| setSystemUiStateFlag(SYSUI_STATE_STATUS_BAR_KEYGUARD_SHOWING_OCCLUDED, |
| keyguardShowing && keyguardOccluded, displayId); |
| setSystemUiStateFlag(SYSUI_STATE_BOUNCER_SHOWING, bouncerShowing, displayId); |
| } |
| |
| /** |
| * Sets the navbar region which can receive touch inputs |
| */ |
| public void onActiveNavBarRegionChanges(Region activeRegion) { |
| mActiveNavBarRegion = activeRegion; |
| dispatchNavButtonBounds(); |
| } |
| |
| private void dispatchNavButtonBounds() { |
| if (mOverviewProxy != null && mActiveNavBarRegion != null) { |
| try { |
| mOverviewProxy.onActiveNavBarRegionChanges(mActiveNavBarRegion); |
| } catch (RemoteException e) { |
| Log.e(TAG_OPS, "Failed to call onActiveNavBarRegionChanges()", e); |
| } |
| } |
| } |
| |
| public float getBackButtonAlpha() { |
| return mBackButtonAlpha; |
| } |
| |
| public void cleanupAfterDeath() { |
| if (mStatusBarGestureDownEvent != null) { |
| mHandler.post(()-> { |
| StatusBar bar = SysUiServiceProvider.getComponent(mContext, StatusBar.class); |
| if (bar != null) { |
| mStatusBarGestureDownEvent.setAction(MotionEvent.ACTION_CANCEL); |
| bar.dispatchNotificationsPanelTouchEvent(mStatusBarGestureDownEvent); |
| mStatusBarGestureDownEvent.recycle(); |
| mStatusBarGestureDownEvent = null; |
| } |
| }); |
| } |
| startConnectionToCurrentUser(); |
| } |
| |
| public void startConnectionToCurrentUser() { |
| if (mHandler.getLooper() != Looper.myLooper()) { |
| mHandler.post(mConnectionRunnable); |
| } else { |
| internalConnectToCurrentUser(); |
| } |
| } |
| |
| private void internalConnectToCurrentUser() { |
| disconnectFromLauncherService(); |
| |
| // If user has not setup yet or already connected, do not try to connect |
| if (!mDeviceProvisionedController.isCurrentUserSetup() || !isEnabled()) { |
| Log.v(TAG_OPS, "Cannot attempt connection, is setup " |
| + mDeviceProvisionedController.isCurrentUserSetup() + ", is enabled " |
| + isEnabled()); |
| return; |
| } |
| mHandler.removeCallbacks(mConnectionRunnable); |
| Intent launcherServiceIntent = new Intent(ACTION_QUICKSTEP) |
| .setPackage(mRecentsComponentName.getPackageName()); |
| try { |
| mBound = mContext.bindServiceAsUser(launcherServiceIntent, |
| mOverviewServiceConnection, |
| Context.BIND_AUTO_CREATE | Context.BIND_FOREGROUND_SERVICE_WHILE_AWAKE, |
| UserHandle.of(mDeviceProvisionedController.getCurrentUser())); |
| } catch (SecurityException e) { |
| Log.e(TAG_OPS, "Unable to bind because of security error", e); |
| } |
| if (mBound) { |
| // Ensure that connection has been established even if it thinks it is bound |
| mHandler.postDelayed(mDeferredConnectionCallback, DEFERRED_CALLBACK_MILLIS); |
| } else { |
| // Retry after exponential backoff timeout |
| retryConnectionWithBackoff(); |
| } |
| } |
| |
| private void retryConnectionWithBackoff() { |
| if (mHandler.hasCallbacks(mConnectionRunnable)) { |
| return; |
| } |
| final long timeoutMs = (long) Math.min( |
| Math.scalb(BACKOFF_MILLIS, mConnectionBackoffAttempts), MAX_BACKOFF_MILLIS); |
| mHandler.postDelayed(mConnectionRunnable, timeoutMs); |
| mConnectionBackoffAttempts++; |
| Log.w(TAG_OPS, "Failed to connect on attempt " + mConnectionBackoffAttempts |
| + " will try again in " + timeoutMs + "ms"); |
| } |
| |
| @Override |
| public void addCallback(OverviewProxyListener listener) { |
| mConnectionCallbacks.add(listener); |
| listener.onConnectionChanged(mOverviewProxy != null); |
| listener.onBackButtonAlphaChanged(mBackButtonAlpha, false); |
| listener.onSystemUiStateChanged(mSysUiStateFlags); |
| } |
| |
| @Override |
| public void removeCallback(OverviewProxyListener listener) { |
| mConnectionCallbacks.remove(listener); |
| } |
| |
| public boolean shouldShowSwipeUpUI() { |
| return isEnabled() && !QuickStepContract.isLegacyMode(mNavBarMode); |
| } |
| |
| public boolean isEnabled() { |
| return mIsEnabled; |
| } |
| |
| public IOverviewProxy getProxy() { |
| return mOverviewProxy; |
| } |
| |
| private void disconnectFromLauncherService() { |
| if (mBound) { |
| // Always unbind the service (ie. if called through onNullBinding or onBindingDied) |
| mContext.unbindService(mOverviewServiceConnection); |
| mBound = false; |
| } |
| |
| if (mOverviewProxy != null) { |
| mOverviewProxy.asBinder().unlinkToDeath(mOverviewServiceDeathRcpt, 0); |
| mOverviewProxy = null; |
| notifyBackButtonAlphaChanged(1f, false /* animate */); |
| notifyConnectionChanged(); |
| } |
| } |
| |
| private void notifyBackButtonAlphaChanged(float alpha, boolean animate) { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).onBackButtonAlphaChanged(alpha, animate); |
| } |
| } |
| |
| private void notifyConnectionChanged() { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).onConnectionChanged(mOverviewProxy != null); |
| } |
| } |
| |
| public void notifyQuickStepStarted() { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).onQuickStepStarted(); |
| } |
| } |
| |
| public void notifyQuickScrubStarted() { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).onQuickScrubStarted(); |
| } |
| } |
| |
| private void notifyAssistantProgress(@FloatRange(from = 0.0, to = 1.0) float progress) { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).onAssistantProgress(progress); |
| } |
| } |
| |
| private void notifyAssistantGestureCompletion(float velocity) { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).onAssistantGestureCompletion(velocity); |
| } |
| } |
| |
| private void notifySystemUiStateChanged(int sysuiStateFlags) { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).onSystemUiStateChanged(sysuiStateFlags); |
| } |
| } |
| |
| private void notifyStartAssistant(Bundle bundle) { |
| for (int i = mConnectionCallbacks.size() - 1; i >= 0; --i) { |
| mConnectionCallbacks.get(i).startAssistant(bundle); |
| } |
| } |
| |
| public void notifyAssistantVisibilityChanged(float visibility) { |
| try { |
| if (mOverviewProxy != null) { |
| mOverviewProxy.onAssistantVisibilityChanged(visibility); |
| } |
| } catch (RemoteException e) { |
| Log.e(TAG_OPS, "Failed to call onAssistantVisibilityChanged()", e); |
| } |
| } |
| |
| private void updateEnabledState() { |
| mIsEnabled = mContext.getPackageManager().resolveServiceAsUser(mQuickStepIntent, |
| MATCH_SYSTEM_ONLY, |
| ActivityManagerWrapper.getInstance().getCurrentUserId()) != null; |
| } |
| |
| @Override |
| public void onNavigationModeChanged(int mode) { |
| mNavBarMode = mode; |
| } |
| |
| @Override |
| public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| pw.println(TAG_OPS + " state:"); |
| pw.print(" recentsComponentName="); pw.println(mRecentsComponentName); |
| pw.print(" isConnected="); pw.println(mOverviewProxy != null); |
| pw.print(" isCurrentUserSetup="); pw.println(mDeviceProvisionedController |
| .isCurrentUserSetup()); |
| pw.print(" connectionBackoffAttempts="); pw.println(mConnectionBackoffAttempts); |
| |
| pw.print(" quickStepIntent="); pw.println(mQuickStepIntent); |
| pw.print(" quickStepIntentResolved="); pw.println(isEnabled()); |
| pw.print(" mSysUiStateFlags="); pw.println(mSysUiStateFlags); |
| pw.println(" " + QuickStepContract.getSystemUiStateString(mSysUiStateFlags)); |
| pw.print(" backGestureDisabled="); |
| pw.println(QuickStepContract.isBackGestureDisabled(mSysUiStateFlags)); |
| pw.print(" assistantGestureDisabled="); |
| pw.println(QuickStepContract.isAssistantGestureDisabled(mSysUiStateFlags)); |
| } |
| |
| public interface OverviewProxyListener { |
| default void onConnectionChanged(boolean isConnected) {} |
| default void onQuickStepStarted() {} |
| default void onOverviewShown(boolean fromHome) {} |
| default void onQuickScrubStarted() {} |
| default void onBackButtonAlphaChanged(float alpha, boolean animate) {} |
| default void onSystemUiStateChanged(int sysuiStateFlags) {} |
| default void onAssistantProgress(@FloatRange(from = 0.0, to = 1.0) float progress) {} |
| default void onAssistantGestureCompletion(float velocity) {} |
| default void startAssistant(Bundle bundle) {} |
| } |
| } |
