replicant-frameworks_native/libs/ui/InputManager.cpp
Jeff Brown e57e895080 Refactor input reader to support new device types more easily.
Refactored the input reader so that each raw input protocol is handled
by a separate subclass of the new InputMapper type.  This way, behaviors
pertaining to keyboard, trackballs, touchscreens, switches and other
devices are clearly distinguished for improved maintainability.

Added partial support for describing capabilities of input devices
(incomplete and untested for now, will be fleshed out in later commits).

Simplified EventHub interface somewhat since InputReader is taking over
more of the work.

Cleaned up some of the interactions between InputManager and
WindowManagerService related to reading input state.

Fixed swiping finger from screen edge into display area.

Added logging of device information to 'dumpsys window'.

Change-Id: I17faffc33e3aec3a0f33f0b37e81a70609378612
2010-07-28 14:16:15 -07:00

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C++

//
// 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<InputReaderPolicyInterface>& readerPolicy,
const sp<InputDispatcherPolicyInterface>& dispatcherPolicy) {
mDispatcher = new InputDispatcher(dispatcherPolicy);
mReader = new InputReader(eventHub, readerPolicy, mDispatcher);
initialize();
}
InputManager::InputManager(
const sp<InputReaderInterface>& reader,
const sp<InputDispatcherInterface>& dispatcher) :
mReader(reader),
mDispatcher(dispatcher) {
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) {
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::injectInputEvent(const InputEvent* event,
int32_t injectorPid, int32_t injectorUid, bool sync, int32_t timeoutMillis) {
return mDispatcher->injectInputEvent(event, injectorPid, injectorUid, sync, timeoutMillis);
}
void InputManager::preemptInputDispatch() {
mDispatcher->preemptInputDispatch();
}
void InputManager::getInputConfiguration(InputConfiguration* outConfiguration) {
mReader->getInputConfiguration(outConfiguration);
}
status_t InputManager::getInputDeviceInfo(int32_t deviceId, InputDeviceInfo* outDeviceInfo) {
return mReader->getInputDeviceInfo(deviceId, outDeviceInfo);
}
void InputManager::getInputDeviceIds(Vector<int32_t>& outDeviceIds) {
mReader->getInputDeviceIds(outDeviceIds);
}
int32_t InputManager::getScanCodeState(int32_t deviceId, uint32_t sourceMask,
int32_t scanCode) {
return mReader->getScanCodeState(deviceId, sourceMask, scanCode);
}
int32_t InputManager::getKeyCodeState(int32_t deviceId, uint32_t sourceMask,
int32_t keyCode) {
return mReader->getKeyCodeState(deviceId, sourceMask, keyCode);
}
int32_t InputManager::getSwitchState(int32_t deviceId, uint32_t sourceMask, int32_t sw) {
return mReader->getSwitchState(deviceId, sourceMask, sw);
}
bool InputManager::hasKeys(int32_t deviceId, uint32_t sourceMask,
size_t numCodes, const int32_t* keyCodes, uint8_t* outFlags) {
return mReader->hasKeys(deviceId, sourceMask, numCodes, keyCodes, outFlags);
}
} // namespace android