Imported Upstream version 2.2.0+dfsg

1 files changed, 214 insertions, 0 deletions

diff --git a/src/SFML/Window/Android/SensorImpl.cpp b/src/SFML/Window/Android/SensorImpl.cpp
new file mode 100644
index 0000000..4e36584
--- /dev/null
+++ b/src/SFML/Window/Android/SensorImpl.cpp
@@ -0,0 +1,214 @@
+////////////////////////////////////////////////////////////
+//
+// SFML - Simple and Fast Multimedia Library
+// Copyright (C) 2007-2013 Laurent Gomila (laurent.gom@gmail.com)
+//
+// This software is provided 'as-is', without any express or implied warranty.
+// In no event will the authors be held liable for any damages arising from the use of this software.
+//
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it freely,
+// subject to the following restrictions:
+//
+// 1. The origin of this software must not be misrepresented;
+//    you must not claim that you wrote the original software.
+//    If you use this software in a product, an acknowledgment
+//    in the product documentation would be appreciated but is not required.
+//
+// 2. Altered source versions must be plainly marked as such,
+//    and must not be misrepresented as being the original software.
+//
+// 3. This notice may not be removed or altered from any source distribution.
+//
+////////////////////////////////////////////////////////////
+
+////////////////////////////////////////////////////////////
+// Headers
+////////////////////////////////////////////////////////////
+#include <SFML/Window/SensorImpl.hpp>
+#include <SFML/System/Time.hpp>
+#include <android/looper.h>
+
+// Define missing constants
+#define ASENSOR_TYPE_GRAVITY             0x00000009
+#define ASENSOR_TYPE_LINEAR_ACCELERATION 0x0000000a
+#define ASENSOR_TYPE_ORIENTATION         0x00000003
+
+namespace
+{
+    ALooper* looper;
+    ASensorManager*    sensorManager;
+    ASensorEventQueue* sensorEventQueue;
+    sf::Vector3f       sensorData[sf::Sensor::Count];
+}
+
+
+namespace sf
+{
+namespace priv
+{
+////////////////////////////////////////////////////////////
+void SensorImpl::initialize()
+{
+    // Get the looper associated with this thread
+    looper = ALooper_forThread();
+
+    // Get the unique sensor manager
+    sensorManager = ASensorManager_getInstance();
+
+    // Create the sensor events queue and attach it to the looper
+    sensorEventQueue = ASensorManager_createEventQueue(sensorManager, looper,
+        1, &processSensorEvents, NULL);
+}
+
+
+////////////////////////////////////////////////////////////
+void SensorImpl::cleanup()
+{
+    // Detach the sensor events queue from the looper and destroy it
+    ASensorManager_destroyEventQueue(sensorManager, sensorEventQueue);
+}
+
+
+////////////////////////////////////////////////////////////
+bool SensorImpl::isAvailable(Sensor::Type sensor)
+{
+    const ASensor* available = getDefaultSensor(sensor);
+
+    return available? true : false;
+}
+
+
+////////////////////////////////////////////////////////////
+bool SensorImpl::open(Sensor::Type sensor)
+{
+    // Get the default sensor matching the type
+    m_sensor = getDefaultSensor(sensor);
+
+    // Sensor not available, stop here
+    if (!m_sensor)
+        return false;
+
+    // Get the minimum delay allowed between events
+    Time minimumDelay = microseconds(ASensor_getMinDelay(m_sensor));
+
+    // Set the event rate (not to consume too much battery)
+    ASensorEventQueue_setEventRate(sensorEventQueue, m_sensor, minimumDelay.asMicroseconds());
+
+    // Save the index of the sensor
+    m_index = static_cast<unsigned int>(sensor);
+
+    return true;
+}
+
+
+////////////////////////////////////////////////////////////
+void SensorImpl::close()
+{
+    // Nothing to do
+}
+
+
+////////////////////////////////////////////////////////////
+Vector3f SensorImpl::update()
+{
+    // Update our sensor data list
+    ALooper_pollAll(0, NULL, NULL, NULL);
+
+    return sensorData[m_index];
+}
+
+
+////////////////////////////////////////////////////////////
+void SensorImpl::setEnabled(bool enabled)
+{
+    if (enabled)
+        ASensorEventQueue_enableSensor(sensorEventQueue, m_sensor);
+    else
+        ASensorEventQueue_disableSensor(sensorEventQueue, m_sensor);
+}
+
+
+////////////////////////////////////////////////////////////
+ASensor const* SensorImpl::getDefaultSensor(Sensor::Type sensor)
+{
+    // Find the Android sensor type
+    static int types[] = {ASENSOR_TYPE_ACCELEROMETER, ASENSOR_TYPE_GYROSCOPE,
+        ASENSOR_TYPE_MAGNETIC_FIELD, ASENSOR_TYPE_GRAVITY, ASENSOR_TYPE_LINEAR_ACCELERATION,
+        ASENSOR_TYPE_ORIENTATION};
+
+    int type = types[sensor];
+
+    // Retrieve the default sensor matching this type
+    return ASensorManager_getDefaultSensor(sensorManager, type);
+}
+
+
+////////////////////////////////////////////////////////////
+int SensorImpl::processSensorEvents(int fd, int events, void* data)
+{
+    ASensorEvent event;
+
+    while (ASensorEventQueue_getEvents(sensorEventQueue, &event, 1) > 0)
+    {
+        unsigned int type = Sensor::Count;
+        Vector3f data;
+
+        switch (event.type)
+        {
+            case ASENSOR_TYPE_ACCELEROMETER:
+                type = Sensor::Accelerometer;
+                data.x = event.acceleration.x;
+                data.y = event.acceleration.y;
+                data.z = event.acceleration.z;
+                break;
+
+            case ASENSOR_TYPE_GYROSCOPE:
+                type = Sensor::Gyroscope;
+                data.x = event.vector.x;
+                data.y = event.vector.y;
+                data.z = event.vector.z;
+                break;
+
+            case ASENSOR_TYPE_MAGNETIC_FIELD:
+                type = Sensor::Magnetometer;
+                data.x = event.magnetic.x;
+                data.y = event.magnetic.y;
+                data.z = event.magnetic.z;
+                break;
+
+            case ASENSOR_TYPE_GRAVITY:
+                type = Sensor::Gravity;
+                data.x = event.vector.x;
+                data.y = event.vector.y;
+                data.z = event.vector.z;
+                break;
+
+            case ASENSOR_TYPE_LINEAR_ACCELERATION:
+                type = Sensor::UserAcceleration;
+                data.x = event.acceleration.x;
+                data.y = event.acceleration.y;
+                data.z = event.acceleration.z;
+                break;
+
+            case ASENSOR_TYPE_ORIENTATION:
+                type = Sensor::Orientation;
+                data.x = event.vector.x;
+                data.y = event.vector.y;
+                data.z = event.vector.z;
+                break;
+        }
+
+        // An unknown sensor event has been detected, we don't know how to process it
+        if (type == Sensor::Count)
+            continue;
+
+        sensorData[type] = data;
+    }
+
+    return 1;
+}
+
+} // namespace priv
+
+} // namespace sf