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