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#include "VirtualTouchpadClient.h"
#include <android/dvr/IVirtualTouchpadService.h>
#include <binder/IServiceManager.h>
namespace android {
namespace dvr {
namespace {
class VirtualTouchpadClientImpl : public VirtualTouchpadClient {
public:
VirtualTouchpadClientImpl() {}
~VirtualTouchpadClientImpl() override {
if (service_ != nullptr) {
Detach();
}
}
status_t Attach() {
if (service_ != nullptr) {
return ALREADY_EXISTS;
}
sp<IServiceManager> sm = defaultServiceManager();
if (sm == nullptr) {
ALOGE("no service manager");
return NO_INIT;
}
sp<IVirtualTouchpadService> service =
interface_cast<IVirtualTouchpadService>(
sm->getService(IVirtualTouchpadService::SERVICE_NAME()));
if (service == nullptr) {
ALOGE("failed to get service");
return NAME_NOT_FOUND;
}
service_ = service;
return service_->attach().transactionError();
}
status_t Detach() {
if (service_ == nullptr) {
return NO_INIT;
}
status_t status = service_->detach().transactionError();
service_ = nullptr;
return status;
}
status_t Touch(int touchpad, float x, float y, float pressure) override {
if (service_ == nullptr) {
return NO_INIT;
}
return service_->touch(touchpad, x, y, pressure).transactionError();
}
status_t ButtonState(int touchpad, int buttons) override {
if (service_ == nullptr) {
return NO_INIT;
}
return service_->buttonState(touchpad, buttons).transactionError();
}
status_t Scroll(int touchpad, float x, float y) override {
if (service_ == nullptr) {
return NO_INIT;
}
return service_->scroll(touchpad, x, y).transactionError();
}
void dumpInternal(String8& result) override {
result.append("[virtual touchpad]\n");
result.appendFormat("connected = %s\n\n",
service_ != nullptr ? "true" : "false");
}
private:
sp<IVirtualTouchpadService> service_;
};
} // anonymous namespace
std::unique_ptr<VirtualTouchpad> VirtualTouchpadClient::Create() {
return std::unique_ptr<VirtualTouchpad>(new VirtualTouchpadClientImpl());
}
} // namespace dvr
} // namespace android
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