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/*
* Copyright (C) 2013 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 <stdint.h>
#include <sys/types.h>
#include <binder/Parcel.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <input/IInputFlinger.h>
namespace android {
class BpInputFlinger : public BpInterface<IInputFlinger> {
public:
explicit BpInputFlinger(const sp<IBinder>& impl) :
BpInterface<IInputFlinger>(impl) { }
virtual void setInputWindows(const std::vector<InputWindowInfo>& inputInfo,
const sp<ISetInputWindowsListener>& setInputWindowsListener) {
Parcel data, reply;
data.writeInterfaceToken(IInputFlinger::getInterfaceDescriptor());
data.writeUint32(static_cast<uint32_t>(inputInfo.size()));
for (const auto& info : inputInfo) {
info.write(data);
}
data.writeStrongBinder(IInterface::asBinder(setInputWindowsListener));
remote()->transact(BnInputFlinger::SET_INPUT_WINDOWS_TRANSACTION, data, &reply,
IBinder::FLAG_ONEWAY);
}
virtual void registerInputChannel(const sp<InputChannel>& channel) {
Parcel data, reply;
data.writeInterfaceToken(IInputFlinger::getInterfaceDescriptor());
channel->write(data);
remote()->transact(BnInputFlinger::REGISTER_INPUT_CHANNEL_TRANSACTION, data, &reply);
}
virtual void unregisterInputChannel(const sp<InputChannel>& channel) {
Parcel data, reply;
data.writeInterfaceToken(IInputFlinger::getInterfaceDescriptor());
channel->write(data);
remote()->transact(BnInputFlinger::UNREGISTER_INPUT_CHANNEL_TRANSACTION, data, &reply);
}
};
IMPLEMENT_META_INTERFACE(InputFlinger, "android.input.IInputFlinger");
status_t BnInputFlinger::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
switch(code) {
case SET_INPUT_WINDOWS_TRANSACTION: {
CHECK_INTERFACE(IInputFlinger, data, reply);
size_t count = data.readUint32();
if (count > data.dataSize()) {
return BAD_VALUE;
}
std::vector<InputWindowInfo> handles;
for (size_t i = 0; i < count; i++) {
handles.push_back(InputWindowInfo::read(data));
}
const sp<ISetInputWindowsListener> setInputWindowsListener =
ISetInputWindowsListener::asInterface(data.readStrongBinder());
setInputWindows(handles, setInputWindowsListener);
break;
}
case REGISTER_INPUT_CHANNEL_TRANSACTION: {
CHECK_INTERFACE(IInputFlinger, data, reply);
sp<InputChannel> channel = InputChannel::read(data);
registerInputChannel(channel);
break;
}
case UNREGISTER_INPUT_CHANNEL_TRANSACTION: {
CHECK_INTERFACE(IInputFlinger, data, reply);
sp<InputChannel> channel = InputChannel::read(data);
unregisterInputChannel(channel);
break;
}
default:
return BBinder::onTransact(code, data, reply, flags);
}
return NO_ERROR;
}
};
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