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/*
* Copyright (C) 2011 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.
*/
#include <gui/IDisplayEventConnection.h>
#include <private/gui/BitTube.h>
namespace android {
namespace { // Anonymous
enum class Tag : uint32_t {
STEAL_RECEIVE_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
SET_VSYNC_RATE,
REQUEST_NEXT_VSYNC,
LAST = REQUEST_NEXT_VSYNC,
};
} // Anonymous namespace
class BpDisplayEventConnection : public SafeBpInterface<IDisplayEventConnection> {
public:
explicit BpDisplayEventConnection(const sp<IBinder>& impl)
: SafeBpInterface<IDisplayEventConnection>(impl, "BpDisplayEventConnection") {}
~BpDisplayEventConnection() override;
status_t stealReceiveChannel(gui::BitTube* outChannel) override {
return callRemote<decltype(
&IDisplayEventConnection::stealReceiveChannel)>(Tag::STEAL_RECEIVE_CHANNEL,
outChannel);
}
status_t setVsyncRate(uint32_t count) override {
return callRemote<decltype(&IDisplayEventConnection::setVsyncRate)>(Tag::SET_VSYNC_RATE,
count);
}
void requestNextVsync() override {
callRemoteAsync<decltype(&IDisplayEventConnection::requestNextVsync)>(
Tag::REQUEST_NEXT_VSYNC);
}
};
// Out-of-line virtual method definition to trigger vtable emission in this translation unit (see
// clang warning -Wweak-vtables)
BpDisplayEventConnection::~BpDisplayEventConnection() = default;
IMPLEMENT_META_INTERFACE(DisplayEventConnection, "android.gui.DisplayEventConnection");
status_t BnDisplayEventConnection::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
uint32_t flags) {
if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
return BBinder::onTransact(code, data, reply, flags);
}
auto tag = static_cast<Tag>(code);
switch (tag) {
case Tag::STEAL_RECEIVE_CHANNEL:
return callLocal(data, reply, &IDisplayEventConnection::stealReceiveChannel);
case Tag::SET_VSYNC_RATE:
return callLocal(data, reply, &IDisplayEventConnection::setVsyncRate);
case Tag::REQUEST_NEXT_VSYNC:
return callLocalAsync(data, reply, &IDisplayEventConnection::requestNextVsync);
}
}
} // namespace android
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