1 files changed, 98 insertions, 0 deletions
diff --git a/map/window_handle.cpp b/map/window_handle.cpp
new file mode 100644
index 0000000000..cd1b94a8db
--- /dev/null
+++ b/map/window_handle.cpp
@@ -0,0 +1,98 @@
+#include "window_handle.hpp"
+
+WindowHandle::WindowHandle() :
+  m_hasPendingUpdates(false),
+  m_isUpdatesEnabled(true),
+  m_needRedraw(true),
+  m_stallsCount(0)
+{
+}
+
+void WindowHandle::setVideoTimer(shared_ptr<VideoTimer> const & videoTimer)
+{
+  m_videoTimer = videoTimer;
+  m_frameFn = videoTimer->frameFn();
+  m_videoTimer->setFrameFn(bind(&WindowHandle::checkedFrameFn, this));
+  m_stallsCount = 0;
+}
+
+void WindowHandle::checkedFrameFn()
+{
+  if (needRedraw())
+    m_stallsCount = 0;
+  else
+    ++m_stallsCount;
+
+  if (m_stallsCount >= 60)
+  {
+//    LOG(LINFO, ("PausedDOWN"));
+    m_videoTimer->pause();
+  }
+  else
+    m_frameFn();
+}
+
+WindowHandle::~WindowHandle() {}
+
+bool WindowHandle::needRedraw() const
+{
+  return m_isUpdatesEnabled && m_needRedraw;
+}
+
+void WindowHandle::checkTimer()
+{
+  switch (m_videoTimer->state())
+  {
+  case VideoTimer::EStopped:
+    m_videoTimer->start();
+    break;
+  case VideoTimer::EPaused:
+//    LOG(LINFO, ("WokenUP"));
+    m_videoTimer->resume();
+    break;
+  default:
+    break;
+  }
+}
+
+void WindowHandle::setNeedRedraw(bool flag)
+{
+  m_needRedraw = flag;
+  if (m_needRedraw && m_isUpdatesEnabled)
+    checkTimer();
+}
+
+shared_ptr<yg::gl::RenderContext> const & WindowHandle::renderContext()
+{
+  return m_renderContext;
+}
+
+void WindowHandle::setRenderContext(shared_ptr<yg::gl::RenderContext> const & renderContext)
+{
+  m_renderContext = renderContext;
+}
+
+bool WindowHandle::setUpdatesEnabled(bool doEnable)
+{
+  bool res = false;
+
+  bool wasUpdatesEnabled = m_isUpdatesEnabled;
+  m_isUpdatesEnabled = doEnable;
+
+  if ((!wasUpdatesEnabled) && (doEnable) && (m_hasPendingUpdates))
+  {
+    setNeedRedraw(true);
+    m_hasPendingUpdates = false;
+    res = true;
+  }
+
+  return res;
+}
+
+void WindowHandle::invalidate()
+{
+  if (m_isUpdatesEnabled)
+    setNeedRedraw(true);
+  else
+    m_hasPendingUpdates = true;
+}