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81 lines
2.9 KiB
81 lines
2.9 KiB
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <gui/IDisplayEventConnection.h>
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#include <private/gui/BitTube.h>
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namespace android {
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namespace { // Anonymous
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enum class Tag : uint32_t {
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STEAL_RECEIVE_CHANNEL = IBinder::FIRST_CALL_TRANSACTION,
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SET_VSYNC_RATE,
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REQUEST_NEXT_VSYNC,
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LAST = REQUEST_NEXT_VSYNC,
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};
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} // Anonymous namespace
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class BpDisplayEventConnection : public SafeBpInterface<IDisplayEventConnection> {
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public:
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explicit BpDisplayEventConnection(const sp<IBinder>& impl)
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: SafeBpInterface<IDisplayEventConnection>(impl, "BpDisplayEventConnection") {}
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~BpDisplayEventConnection() override;
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status_t stealReceiveChannel(gui::BitTube* outChannel) override {
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return callRemote<decltype(
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&IDisplayEventConnection::stealReceiveChannel)>(Tag::STEAL_RECEIVE_CHANNEL,
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outChannel);
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}
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status_t setVsyncRate(uint32_t count) override {
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return callRemote<decltype(&IDisplayEventConnection::setVsyncRate)>(Tag::SET_VSYNC_RATE,
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count);
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}
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void requestNextVsync() override {
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callRemoteAsync<decltype(&IDisplayEventConnection::requestNextVsync)>(
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Tag::REQUEST_NEXT_VSYNC);
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}
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};
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// Out-of-line virtual method definition to trigger vtable emission in this translation unit (see
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// clang warning -Wweak-vtables)
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BpDisplayEventConnection::~BpDisplayEventConnection() = default;
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IMPLEMENT_META_INTERFACE(DisplayEventConnection, "android.gui.DisplayEventConnection");
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status_t BnDisplayEventConnection::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
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uint32_t flags) {
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if (code < IBinder::FIRST_CALL_TRANSACTION || code > static_cast<uint32_t>(Tag::LAST)) {
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return BBinder::onTransact(code, data, reply, flags);
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}
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auto tag = static_cast<Tag>(code);
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switch (tag) {
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case Tag::STEAL_RECEIVE_CHANNEL:
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return callLocal(data, reply, &IDisplayEventConnection::stealReceiveChannel);
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case Tag::SET_VSYNC_RATE:
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return callLocal(data, reply, &IDisplayEventConnection::setVsyncRate);
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case Tag::REQUEST_NEXT_VSYNC:
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return callLocalAsync(data, reply, &IDisplayEventConnection::requestNextVsync);
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}
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}
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} // namespace android
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