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//
// Copyright 2010 The Android Open Source Project
//
// The input manager.
//
#define LOG_TAG "InputManager"
//#define LOG_NDEBUG 0
#include <cutils/log.h>
#include <ui/InputManager.h>
#include <ui/InputReader.h>
#include <ui/InputDispatcher.h>
namespace android {
InputManager::InputManager(const sp<EventHubInterface>& eventHub,
const sp<InputDispatchPolicyInterface>& policy) :
mEventHub(eventHub), mPolicy(policy) {
mDispatcher = new InputDispatcher(policy);
mReader = new InputReader(eventHub, policy, mDispatcher);
mDispatcherThread = new InputDispatcherThread(mDispatcher);
mReaderThread = new InputReaderThread(mReader);
configureExcludedDevices();
}
InputManager::~InputManager() {
stop();
}
void InputManager::configureExcludedDevices() {
Vector<String8> excludedDeviceNames;
mPolicy->getExcludedDeviceNames(excludedDeviceNames);
for (size_t i = 0; i < excludedDeviceNames.size(); i++) {
mEventHub->addExcludedDevice(excludedDeviceNames[i]);
}
}
status_t InputManager::start() {
status_t result = mDispatcherThread->run("InputDispatcher", PRIORITY_URGENT_DISPLAY);
if (result) {
LOGE("Could not start InputDispatcher thread due to error %d.", result);
return result;
}
result = mReaderThread->run("InputReader", PRIORITY_URGENT_DISPLAY);
if (result) {
LOGE("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) {
LOGW("Could not stop InputReader thread due to error %d.", result);
}
result = mDispatcherThread->requestExitAndWait();
if (result) {
LOGW("Could not stop InputDispatcher thread due to error %d.", result);
}
return OK;
}
status_t InputManager::registerInputChannel(const sp<InputChannel>& inputChannel) {
return mDispatcher->registerInputChannel(inputChannel);
}
status_t InputManager::unregisterInputChannel(const sp<InputChannel>& inputChannel) {
return mDispatcher->unregisterInputChannel(inputChannel);
}
int32_t InputManager::getScanCodeState(int32_t deviceId, int32_t deviceClasses, int32_t scanCode)
const {
int32_t vkKeyCode, vkScanCode;
if (mReader->getCurrentVirtualKey(& vkKeyCode, & vkScanCode)) {
if (vkScanCode == scanCode) {
return KEY_STATE_VIRTUAL;
}
}
return mEventHub->getScanCodeState(deviceId, deviceClasses, scanCode);
}
int32_t InputManager::getKeyCodeState(int32_t deviceId, int32_t deviceClasses, int32_t keyCode)
const {
int32_t vkKeyCode, vkScanCode;
if (mReader->getCurrentVirtualKey(& vkKeyCode, & vkScanCode)) {
if (vkKeyCode == keyCode) {
return KEY_STATE_VIRTUAL;
}
}
return mEventHub->getKeyCodeState(deviceId, deviceClasses, keyCode);
}
int32_t InputManager::getSwitchState(int32_t deviceId, int32_t deviceClasses, int32_t sw) const {
return mEventHub->getSwitchState(deviceId, deviceClasses, sw);
}
bool InputManager::hasKeys(size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) const {
return mEventHub->hasKeys(numCodes, keyCodes, outFlags);
}
} // namespace android
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