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/*
* Copyright (C) 2010-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "WinEventsAndroid.h"
#include "ServiceBroker.h"
#include "application/AppInboundProtocol.h"
#include "guilib/GUIComponent.h"
#include "guilib/GUIWindowManager.h"
#include "input/InputManager.h"
#include "input/XBMC_vkeys.h"
#include "utils/log.h"
#include <mutex>
#define ALMOST_ZERO 0.125f
enum {
EVENT_STATE_TEST,
EVENT_STATE_HOLD,
EVENT_STATE_REPEAT
};
/************************************************************************/
/************************************************************************/
static bool different_event(XBMC_Event &curEvent, XBMC_Event &newEvent)
{
// different type
if (curEvent.type != newEvent.type)
return true;
return false;
}
/************************************************************************/
/************************************************************************/
CWinEventsAndroid::CWinEventsAndroid()
: CThread("CWinEventsAndroid")
{
CLog::Log(LOGDEBUG, "CWinEventsAndroid::CWinEventsAndroid");
Create();
}
CWinEventsAndroid::~CWinEventsAndroid()
{
m_bStop = true;
StopThread(true);
}
void CWinEventsAndroid::MessagePush(XBMC_Event *newEvent)
{
std::unique_lock<CCriticalSection> lock(m_eventsCond);
m_events.push_back(*newEvent);
}
void CWinEventsAndroid::MessagePushRepeat(XBMC_Event *repeatEvent)
{
std::unique_lock<CCriticalSection> lock(m_eventsCond);
std::list<XBMC_Event>::iterator itt;
for (itt = m_events.begin(); itt != m_events.end(); ++itt)
{
// we have events pending, if we we just
// repush, we might push the repeat event
// in back of a canceling non-active event.
// do not repush if pending are different event.
if (different_event(*itt, *repeatEvent))
return;
}
// is a repeat, push it
m_events.push_back(*repeatEvent);
}
bool CWinEventsAndroid::MessagePump()
{
bool ret = false;
// Do not always loop, only pump the initial queued count events. else if ui keep pushing
// events the loop won't finish then it will block xbmc main message loop.
for (size_t pumpEventCount = GetQueueSize(); pumpEventCount > 0; --pumpEventCount)
{
// Pop up only one event per time since in App::OnEvent it may init modal dialog which init
// deeper message loop and call the deeper MessagePump from there.
XBMC_Event pumpEvent;
{
std::unique_lock<CCriticalSection> lock(m_eventsCond);
if (m_events.empty())
return ret;
pumpEvent = m_events.front();
m_events.pop_front();
}
std::shared_ptr<CAppInboundProtocol> appPort = CServiceBroker::GetAppPort();
if (appPort)
ret |= appPort->OnEvent(pumpEvent);
if (pumpEvent.type == XBMC_MOUSEBUTTONUP)
CServiceBroker::GetGUI()->GetWindowManager().SendMessage(GUI_MSG_UNFOCUS_ALL, 0, 0, 0, 0);
}
return ret;
}
size_t CWinEventsAndroid::GetQueueSize()
{
std::unique_lock<CCriticalSection> lock(m_eventsCond);
return m_events.size();
}
void CWinEventsAndroid::Process()
{
uint32_t timeout = 10;
uint32_t holdTimeout = 500;
uint32_t repeatTimeout = 100;
uint32_t repeatDuration = 0;
XBMC_Event cur_event;
int state = EVENT_STATE_TEST;
while (!m_bStop)
{
// run a 10ms (timeout) wait cycle
CThread::Sleep(std::chrono::milliseconds(timeout));
std::unique_lock<CCriticalSection> lock(m_lasteventCond);
switch(state)
{
default:
case EVENT_STATE_TEST:
// non-active event, eat it
if (!m_lastevent.empty())
m_lastevent.pop();
break;
case EVENT_STATE_HOLD:
repeatDuration += timeout;
if (!m_lastevent.empty())
{
if (different_event(cur_event, m_lastevent.front()))
{
// different event, cycle back to test
state = EVENT_STATE_TEST;
break;
}
// same event, eat it
m_lastevent.pop();
}
if (repeatDuration >= holdTimeout)
{
CLog::Log(LOGDEBUG, "hold ->repeat, size({}), repeatDuration({})", m_lastevent.size(),
repeatDuration);
state = EVENT_STATE_REPEAT;
}
break;
case EVENT_STATE_REPEAT:
repeatDuration += timeout;
if (!m_lastevent.empty())
{
if (different_event(cur_event, m_lastevent.front()))
{
// different event, cycle back to test
state = EVENT_STATE_TEST;
break;
}
// same event, eat it
m_lastevent.pop();
}
if (repeatDuration >= holdTimeout)
{
// this is a repeat, push it
MessagePushRepeat(&cur_event);
// assuming holdTimeout > repeatTimeout,
// just subtract the repeatTimeout
// to get the next cycle time
repeatDuration -= repeatTimeout;
}
break;
}
}
}
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