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/*
* Copyright (C) 2010 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.
*/
#define LOG_TAG "InputManager"
//#define LOG_NDEBUG 0
#include "InputManager.h"
#include "InputReaderFactory.h"
#include <binder/IPCThreadState.h>
#include <log/log.h>
#include <unordered_map>
#include <private/android_filesystem_config.h>
namespace android {
InputManager::InputManager(
const sp<InputReaderPolicyInterface>& readerPolicy,
const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
mDispatcher = new InputDispatcher(dispatcherPolicy);
mClassifier = new InputClassifier(mDispatcher);
mReader = createInputReader(readerPolicy, mClassifier);
initialize();
}
InputManager::~InputManager() {
stop();
}
void InputManager::initialize() {
mReaderThread = new InputReaderThread(mReader);
mDispatcherThread = new InputDispatcherThread(mDispatcher);
}
status_t InputManager::start() {
status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
if (result) {
ALOGE("Could not start InputDispatcher thread due to error %d.", result);
return result;
}
result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
if (result) {
ALOGE("Could not start InputReader thread due to error %d.", result);
mDispatcherThread->requestExit();
return result;
}
return OK;
}
status_t InputManager::stop() {
status_t result = mReaderThread->requestExitAndWait();
if (result) {
ALOGW("Could not stop InputReader thread due to error %d.", result);
}
result = mDispatcherThread->requestExitAndWait();
if (result) {
ALOGW("Could not stop InputDispatcher thread due to error %d.", result);
}
return OK;
}
sp<InputReaderInterface> InputManager::getReader() {
return mReader;
}
sp<InputClassifierInterface> InputManager::getClassifier() {
return mClassifier;
}
sp<InputDispatcherInterface> InputManager::getDispatcher() {
return mDispatcher;
}
class BinderWindowHandle : public InputWindowHandle {
public:
BinderWindowHandle(const InputWindowInfo& info) {
mInfo = info;
}
bool updateInfo() override {
return true;
}
};
void InputManager::setInputWindows(const std::vector<InputWindowInfo>& infos,
const sp<ISetInputWindowsListener>& setInputWindowsListener) {
std::unordered_map<int32_t, std::vector<sp<InputWindowHandle>>> handlesPerDisplay;
std::vector<sp<InputWindowHandle>> handles;
for (const auto& info : infos) {
handlesPerDisplay.emplace(info.displayId, std::vector<sp<InputWindowHandle>>());
handlesPerDisplay[info.displayId].push_back(new BinderWindowHandle(info));
}
for (auto const& i : handlesPerDisplay) {
mDispatcher->setInputWindows(i.second, i.first, setInputWindowsListener);
}
}
// Used by tests only.
void InputManager::registerInputChannel(const sp<InputChannel>& channel) {
IPCThreadState* ipc = IPCThreadState::self();
const int uid = ipc->getCallingUid();
if (uid != AID_SHELL && uid != AID_ROOT) {
ALOGE("Invalid attempt to register input channel over IPC"
"from non shell/root entity (PID: %d)", ipc->getCallingPid());
return;
}
mDispatcher->registerInputChannel(channel, false);
}
void InputManager::unregisterInputChannel(const sp<InputChannel>& channel) {
mDispatcher->unregisterInputChannel(channel);
}
} // namespace android