| /* |
| * Copyright (C) 2019 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.server.tv; |
| |
| import android.media.tv.ITvRemoteProvider; |
| import android.media.tv.ITvRemoteServiceInput; |
| import android.os.Binder; |
| import android.os.IBinder; |
| import android.os.RemoteException; |
| import android.util.ArrayMap; |
| import android.util.Slog; |
| |
| import java.io.IOException; |
| import java.util.Map; |
| |
| final class TvRemoteServiceInput extends ITvRemoteServiceInput.Stub { |
| private static final String TAG = "TvRemoteServiceInput"; |
| private static final boolean DEBUG = false; |
| private static final boolean DEBUG_KEYS = false; |
| |
| private final Map<IBinder, UinputBridge> mBridgeMap; |
| private final Object mLock; |
| private final ITvRemoteProvider mProvider; |
| |
| TvRemoteServiceInput(Object lock, ITvRemoteProvider provider) { |
| mBridgeMap = new ArrayMap(); |
| mLock = lock; |
| mProvider = provider; |
| } |
| |
| @Override |
| public void openInputBridge(IBinder token, String name, int width, |
| int height, int maxPointers) { |
| if (DEBUG) { |
| Slog.d(TAG, "openInputBridge(), token: " + token |
| + ", name: " + name + ", width: " + width |
| + ", height: " + height + ", maxPointers: " + maxPointers); |
| } |
| |
| synchronized (mLock) { |
| if (mBridgeMap.containsKey(token)) { |
| if (DEBUG) { |
| Slog.d(TAG, "InputBridge already exists"); |
| } |
| } else { |
| final long idToken = Binder.clearCallingIdentity(); |
| try { |
| mBridgeMap.put(token, |
| new UinputBridge(token, name, width, height, maxPointers)); |
| token.linkToDeath(new IBinder.DeathRecipient() { |
| @Override |
| public void binderDied() { |
| closeInputBridge(token); |
| } |
| }, 0); |
| } catch (IOException e) { |
| Slog.e(TAG, "Cannot create device for " + name); |
| return; |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Token is already dead"); |
| closeInputBridge(token); |
| return; |
| } finally { |
| Binder.restoreCallingIdentity(idToken); |
| } |
| } |
| } |
| |
| try { |
| mProvider.onInputBridgeConnected(token); |
| } catch (RemoteException e) { |
| Slog.e(TAG, "Failed remote call to onInputBridgeConnected"); |
| } |
| } |
| |
| @Override |
| public void closeInputBridge(IBinder token) { |
| if (DEBUG) { |
| Slog.d(TAG, "closeInputBridge(), token: " + token); |
| } |
| |
| synchronized (mLock) { |
| UinputBridge inputBridge = mBridgeMap.remove(token); |
| if (inputBridge == null) { |
| return; |
| } |
| |
| final long idToken = Binder.clearCallingIdentity(); |
| try { |
| inputBridge.close(token); |
| } finally { |
| Binder.restoreCallingIdentity(idToken); |
| } |
| } |
| } |
| |
| @Override |
| public void clearInputBridge(IBinder token) { |
| if (DEBUG) { |
| Slog.d(TAG, "clearInputBridge, token: " + token); |
| } |
| |
| synchronized (mLock) { |
| UinputBridge inputBridge = mBridgeMap.get(token); |
| if (inputBridge == null) { |
| return; |
| } |
| |
| final long idToken = Binder.clearCallingIdentity(); |
| try { |
| inputBridge.clear(token); |
| } finally { |
| Binder.restoreCallingIdentity(idToken); |
| } |
| } |
| } |
| |
| @Override |
| public void sendTimestamp(IBinder token, long timestamp) { |
| if (DEBUG) { |
| Slog.e(TAG, "sendTimestamp is deprecated, please remove all usages of this API."); |
| } |
| } |
| |
| @Override |
| public void sendKeyDown(IBinder token, int keyCode) { |
| if (DEBUG_KEYS) { |
| Slog.d(TAG, "sendKeyDown(), token: " + token + ", keyCode: " + keyCode); |
| } |
| |
| synchronized (mLock) { |
| UinputBridge inputBridge = mBridgeMap.get(token); |
| if (inputBridge == null) { |
| return; |
| } |
| |
| final long idToken = Binder.clearCallingIdentity(); |
| try { |
| inputBridge.sendKeyDown(token, keyCode); |
| } finally { |
| Binder.restoreCallingIdentity(idToken); |
| } |
| } |
| } |
| |
| @Override |
| public void sendKeyUp(IBinder token, int keyCode) { |
| if (DEBUG_KEYS) { |
| Slog.d(TAG, "sendKeyUp(), token: " + token + ", keyCode: " + keyCode); |
| } |
| |
| synchronized (mLock) { |
| UinputBridge inputBridge = mBridgeMap.get(token); |
| if (inputBridge == null) { |
| return; |
| } |
| |
| final long idToken = Binder.clearCallingIdentity(); |
| try { |
| inputBridge.sendKeyUp(token, keyCode); |
| } finally { |
| Binder.restoreCallingIdentity(idToken); |
| } |
| } |
| } |
| |
| @Override |
| public void sendPointerDown(IBinder token, int pointerId, int x, int y) { |
| if (DEBUG_KEYS) { |
| Slog.d(TAG, "sendPointerDown(), token: " + token + ", pointerId: " |
| + pointerId + ", x: " + x + ", y: " + y); |
| } |
| |
| synchronized (mLock) { |
| UinputBridge inputBridge = mBridgeMap.get(token); |
| if (inputBridge == null) { |
| return; |
| } |
| |
| final long idToken = Binder.clearCallingIdentity(); |
| try { |
| inputBridge.sendPointerDown(token, pointerId, x, y); |
| } finally { |
| Binder.restoreCallingIdentity(idToken); |
| } |
| } |
| } |
| |
| @Override |
| public void sendPointerUp(IBinder token, int pointerId) { |
| if (DEBUG_KEYS) { |
| Slog.d(TAG, "sendPointerUp(), token: " + token + ", pointerId: " + pointerId); |
| } |
| |
| synchronized (mLock) { |
| UinputBridge inputBridge = mBridgeMap.get(token); |
| if (inputBridge == null) { |
| return; |
| } |
| |
| final long idToken = Binder.clearCallingIdentity(); |
| try { |
| inputBridge.sendPointerUp(token, pointerId); |
| } finally { |
| Binder.restoreCallingIdentity(idToken); |
| } |
| } |
| } |
| |
| @Override |
| public void sendPointerSync(IBinder token) { |
| if (DEBUG_KEYS) { |
| Slog.d(TAG, "sendPointerSync(), token: " + token); |
| } |
| |
| synchronized (mLock) { |
| UinputBridge inputBridge = mBridgeMap.get(token); |
| if (inputBridge == null) { |
| return; |
| } |
| |
| final long idToken = Binder.clearCallingIdentity(); |
| try { |
| inputBridge.sendPointerSync(token); |
| } finally { |
| Binder.restoreCallingIdentity(idToken); |
| } |
| } |
| } |
| } |