summaryrefslogtreecommitdiff
path: root/src/player/TouchStatus.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/player/TouchStatus.cpp')
-rw-r--r--src/player/TouchStatus.cpp109
1 files changed, 109 insertions, 0 deletions
diff --git a/src/player/TouchStatus.cpp b/src/player/TouchStatus.cpp
new file mode 100644
index 0000000..ff08bc9
--- /dev/null
+++ b/src/player/TouchStatus.cpp
@@ -0,0 +1,109 @@
+//
+// libavg - Media Playback Engine.
+// Copyright (C) 2003-2014 Ulrich von Zadow
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// Current versions can be found at www.libavg.de
+//
+
+#include "TouchStatus.h"
+
+#include "TouchEvent.h"
+#include "BoostPython.h"
+#include "Player.h"
+
+#include "../base/Exception.h"
+#include "../base/StringHelper.h"
+
+#include <iostream>
+
+using namespace std;
+
+namespace avg {
+
+TouchStatus::TouchStatus(TouchEventPtr pEvent)
+ : m_bFirstFrame(true),
+ m_CursorID(pEvent->getCursorID())
+{
+ m_pNewEvents.push_back(pEvent);
+ m_pLastEvent = pEvent;
+}
+
+TouchStatus::~TouchStatus()
+{
+}
+
+void TouchStatus::pushEvent(TouchEventPtr pEvent, bool bCheckMotion)
+{
+ AVG_ASSERT(pEvent);
+ pEvent->setCursorID(m_CursorID);
+
+ if (m_bFirstFrame) {
+ // Ignore unless cursorup.
+ if (pEvent->getType() == Event::CURSOR_UP) {
+ // Down and up in the first frame. To avoid inconsistencies, both
+ // messages must be delivered. This is the only time that m_pNewEvents
+ // has more than one entry.
+ m_pNewEvents.push_back(pEvent);
+ }
+ } else {
+ if (bCheckMotion && pEvent->getType() == Event::CURSOR_MOTION &&
+ getLastEvent()->getPos() == pEvent->getPos())
+ {
+ // Ignore motion events without motion.
+ return;
+ } else {
+ if (m_pNewEvents.empty()) {
+ // No pending events: schedule for delivery.
+ m_pNewEvents.push_back(pEvent);
+ } else {
+ // More than one event per poll: Deliver only the last one.
+ m_pNewEvents[0] = pEvent;
+ }
+ }
+ }
+}
+
+TouchEventPtr TouchStatus::pollEvent()
+{
+ if (m_pNewEvents.empty()) {
+ return TouchEventPtr();
+ } else {
+ TouchEventPtr pEvent = m_pNewEvents[0];
+ m_pNewEvents.erase(m_pNewEvents.begin());
+ m_bFirstFrame = false;
+ m_pLastEvent = pEvent;
+ return pEvent;
+ }
+}
+
+TouchEventPtr TouchStatus::getLastEvent()
+{
+ if (m_pNewEvents.empty()) {
+ AVG_ASSERT(m_pLastEvent);
+ return m_pLastEvent;
+ } else {
+ return m_pNewEvents.back();
+ }
+}
+
+int TouchStatus::getID() const
+{
+ return m_CursorID;
+}
+
+}
+