| /* |
| * Copyright (C) 2016 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 android.support.car; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| /** |
| * Implementation of {@link CarAppFocusManager} for embedded. |
| * @hide |
| */ |
| public class CarAppFocusManagerEmbedded extends CarAppFocusManager { |
| |
| private final android.car.CarAppFocusManager mManager; |
| |
| private final Map<OnAppFocusChangedListener, OnAppFocusChangedListenerProxy> |
| mChangeListeners = new HashMap<>(); |
| private final Map<OnAppFocusOwnershipCallback, OnAppFocusOwnershipCallbackProxy> |
| mOwnershipCallbacks = new HashMap<>(); |
| |
| /** |
| * @hide |
| */ |
| CarAppFocusManagerEmbedded(Object manager) { |
| mManager = (android.car.CarAppFocusManager) manager; |
| } |
| |
| @Override |
| public void addFocusListener(OnAppFocusChangedListener listener, int appType) |
| throws CarNotConnectedException { |
| if (listener == null) { |
| throw new IllegalArgumentException("null listener"); |
| } |
| OnAppFocusChangedListenerProxy proxy; |
| synchronized (this) { |
| proxy = mChangeListeners.get(listener); |
| if (proxy == null) { |
| proxy = new OnAppFocusChangedListenerProxy(this, listener); |
| mChangeListeners.put(listener, proxy); |
| } |
| } |
| try { |
| mManager.addFocusListener(proxy, appType); |
| } catch (android.car.CarNotConnectedException e) { |
| throw new CarNotConnectedException(e); |
| } |
| } |
| |
| @Override |
| public void removeFocusListener(OnAppFocusChangedListener listener, int appType) { |
| OnAppFocusChangedListenerProxy proxy; |
| synchronized (this) { |
| proxy = mChangeListeners.get(listener); |
| if (proxy == null) { |
| return; |
| } |
| } |
| mManager.removeFocusListener(proxy, appType); |
| } |
| |
| @Override |
| public void removeFocusListener(OnAppFocusChangedListener listener) { |
| OnAppFocusChangedListenerProxy proxy; |
| synchronized (this) { |
| proxy = mChangeListeners.remove(listener); |
| if (proxy == null) { |
| return; |
| } |
| } |
| mManager.removeFocusListener(proxy); |
| } |
| |
| @Override |
| public boolean isOwningFocus(int appType, OnAppFocusOwnershipCallback listener) |
| throws CarNotConnectedException { |
| OnAppFocusOwnershipCallbackProxy proxy; |
| synchronized (this) { |
| proxy = mOwnershipCallbacks.get(listener); |
| if (proxy == null) { |
| return false; |
| } |
| } |
| try { |
| return mManager.isOwningFocus(proxy, appType); |
| } catch (android.car.CarNotConnectedException e) { |
| throw new CarNotConnectedException(e); |
| } |
| } |
| |
| @Override |
| public int requestAppFocus(int appType, OnAppFocusOwnershipCallback ownershipCallback) |
| throws IllegalStateException, SecurityException, CarNotConnectedException { |
| if (ownershipCallback == null) { |
| throw new IllegalArgumentException("null listener"); |
| } |
| OnAppFocusOwnershipCallbackProxy proxy; |
| synchronized (this) { |
| proxy = mOwnershipCallbacks.get(ownershipCallback); |
| if (proxy == null) { |
| proxy = new OnAppFocusOwnershipCallbackProxy(this, ownershipCallback); |
| mOwnershipCallbacks.put(ownershipCallback, proxy); |
| } |
| } |
| try { |
| return mManager.requestAppFocus(appType, proxy); |
| } catch (android.car.CarNotConnectedException e) { |
| throw new CarNotConnectedException(e); |
| } |
| } |
| |
| @Override |
| public void abandonAppFocus(OnAppFocusOwnershipCallback ownershipCallback, int appType) { |
| if (ownershipCallback == null) { |
| throw new IllegalArgumentException("null listener"); |
| } |
| OnAppFocusOwnershipCallbackProxy proxy; |
| synchronized (this) { |
| proxy = mOwnershipCallbacks.get(ownershipCallback); |
| if (proxy == null) { |
| return; |
| } |
| } |
| mManager.abandonAppFocus(proxy, appType); |
| } |
| |
| @Override |
| public void abandonAppFocus(OnAppFocusOwnershipCallback ownershipCallback) { |
| if (ownershipCallback == null) { |
| throw new IllegalArgumentException("null listener"); |
| } |
| OnAppFocusOwnershipCallbackProxy proxy; |
| synchronized (this) { |
| proxy = mOwnershipCallbacks.get(ownershipCallback); |
| if (proxy == null) { |
| return; |
| } |
| } |
| mManager.abandonAppFocus(proxy); |
| } |
| |
| @Override |
| public void onCarDisconnected() { |
| // nothing to do |
| } |
| |
| private static class OnAppFocusChangedListenerProxy |
| implements android.car.CarAppFocusManager.OnAppFocusChangedListener { |
| |
| private final OnAppFocusChangedListener mListener; |
| private final CarAppFocusManager mManager; |
| |
| OnAppFocusChangedListenerProxy(CarAppFocusManager manager, |
| OnAppFocusChangedListener listener) { |
| mManager = manager; |
| mListener = listener; |
| } |
| |
| @Override |
| public void onAppFocusChanged(int appType, boolean active) { |
| mListener.onAppFocusChanged(mManager, appType, active); |
| } |
| } |
| |
| private static class OnAppFocusOwnershipCallbackProxy |
| implements android.car.CarAppFocusManager.OnAppFocusOwnershipCallback { |
| |
| private final OnAppFocusOwnershipCallback mListener; |
| private final CarAppFocusManager mManager; |
| |
| |
| OnAppFocusOwnershipCallbackProxy(CarAppFocusManager manager, |
| OnAppFocusOwnershipCallback listener) { |
| mListener = listener; |
| mManager = manager; |
| } |
| |
| @Override |
| public void onAppFocusOwnershipLost(int focusType) { |
| mListener.onAppFocusOwnershipLost(mManager, focusType); |
| } |
| |
| @Override |
| public void onAppFocusOwnershipGranted(int focusType) { |
| mListener.onAppFocusOwnershipGranted(mManager, focusType); |
| } |
| } |
| } |