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