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Viewing changes to src/shared/input/android/android_input_receiver_thread.cpp

  • Committer: Package Import Robot
  • Author(s): Ubuntu daily release
  • Date: 2014-10-10 14:01:26 UTC
  • mto: This revision was merged to the branch mainline in revision 84.
  • Revision ID: package-import@ubuntu.com-20141010140126-n1czko8na1kuz4ll
Tags: upstream-0.8.0+14.10.20141010
Import upstream version 0.8.0+14.10.20141010

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src/shared/input/android/android_input_receiver_thread.cpp
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/*
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 * Copyright © 2013 Canonical Ltd.
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 *
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 * This program is free software: you can redistribute it and/or modify
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 * it under the terms of the GNU Lesser General Public License version 3 as
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 * published by the Free Software Foundation.
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public License
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 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
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 *
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 * Authored by: Robert Carr <robert.carr@canonical.com>
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 */
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#include "android_input_receiver_thread.h"
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#include "android_input_receiver.h"
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#include <thread>
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namespace mircva = mir::input::receiver::android;
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mircva::InputReceiverThread::InputReceiverThread(std::shared_ptr<mircva::InputReceiver> const& receiver,
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                                                std::function<void(MirEvent*)> const& event_handling_callback)
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  : receiver(receiver),
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    handler(event_handling_callback),
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    running(false)
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{
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}
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mircva::InputReceiverThread::~InputReceiverThread()
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{
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    if (running)
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        stop();
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    if (thread.joinable())
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        join();
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}
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void mircva::InputReceiverThread::start()
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{
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    running = true;
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    thread = std::thread(std::mem_fn(&mircva::InputReceiverThread::thread_loop), this);
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}
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void mircva::InputReceiverThread::stop()
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{
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    running = false;
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    receiver->wake();
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}
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void mircva::InputReceiverThread::join()
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{
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    thread.join();
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}
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void mircva::InputReceiverThread::thread_loop()
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{
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    while (running)
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    {
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        MirEvent ev;
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        while(running && receiver->next_event(ev))
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            handler(&ev);
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        std::this_thread::yield(); // yield() is needed to ensure reasonable runtime under valgrind
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    }
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}