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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #define LOG_TAG "InputManager"
     18 
     19 //#define LOG_NDEBUG 0
     20 
     21 #include "InputManager.h"
     22 
     23 #include <cutils/log.h>
     24 
     25 namespace android {
     26 
     27 InputManager::InputManager(
     28         const sp<EventHubInterface>& eventHub,
     29         const sp<InputReaderPolicyInterface>& readerPolicy,
     30         const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
     31     mDispatcher = new InputDispatcher(dispatcherPolicy);
     32     mReader = new InputReader(eventHub, readerPolicy, mDispatcher);
     33     initialize();
     34 }
     35 
     36 InputManager::InputManager(
     37         const sp<InputReaderInterface>& reader,
     38         const sp<InputDispatcherInterface>& dispatcher) :
     39         mReader(reader),
     40         mDispatcher(dispatcher) {
     41     initialize();
     42 }
     43 
     44 InputManager::~InputManager() {
     45     stop();
     46 }
     47 
     48 void InputManager::initialize() {
     49     mReaderThread = new InputReaderThread(mReader);
     50     mDispatcherThread = new InputDispatcherThread(mDispatcher);
     51 }
     52 
     53 status_t InputManager::start() {
     54     status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
     55     if (result) {
     56         ALOGE("Could not start InputDispatcher thread due to error %d.", result);
     57         return result;
     58     }
     59 
     60     result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
     61     if (result) {
     62         ALOGE("Could not start InputReader thread due to error %d.", result);
     63 
     64         mDispatcherThread->requestExit();
     65         return result;
     66     }
     67 
     68     return OK;
     69 }
     70 
     71 status_t InputManager::stop() {
     72     status_t result = mReaderThread->requestExitAndWait();
     73     if (result) {
     74         ALOGW("Could not stop InputReader thread due to error %d.", result);
     75     }
     76 
     77     result = mDispatcherThread->requestExitAndWait();
     78     if (result) {
     79         ALOGW("Could not stop InputDispatcher thread due to error %d.", result);
     80     }
     81 
     82     return OK;
     83 }
     84 
     85 sp<InputReaderInterface> InputManager::getReader() {
     86     return mReader;
     87 }
     88 
     89 sp<InputDispatcherInterface> InputManager::getDispatcher() {
     90     return mDispatcher;
     91 }
     92 
     93 } // namespace android
     94