Bug 697641, part 4: Pass sensor events from Android to Gecko. r=cjones

embedding/android/GeckoEvent.java

@@ -75,6 +75,7 @@ public class GeckoEvent {
     public static final int ACTIVITY_START = 17;
     public static final int SAVE_STATE = 18;
     public static final int BROADCAST = 19;
+    public static final int PROXIMITY_EVENT = 20;
 
     public static final int IME_COMPOSITION_END = 0;
     public static final int IME_COMPOSITION_BEGIN = 1;
@@ -102,6 +103,7 @@ public class GeckoEvent {
     public Rect mRect;
     public double mX, mY, mZ;
     public double mAlpha, mBeta, mGamma;
+    public double mDistance;
 
     public int mMetaState, mFlags;
     public int mKeyCode, mUnicodeChar;
@@ -145,19 +147,30 @@ public class GeckoEvent {
     }
 
     public GeckoEvent(SensorEvent s) {
+        int sensor_type = s.sensor.getType();
  
-        if (s.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
+        switch(sensor_type) {
+        case Sensor.TYPE_ACCELEROMETER:
             mType = ACCELERATION_EVENT;
             mX = s.values[0];
             mY = s.values[1];
             mZ = s.values[2];
-        }
-        else {
+            break;
+            
+        case Sensor.TYPE_ORIENTATION:
             mType = ORIENTATION_EVENT;
             mAlpha = -s.values[0];
             mBeta = -s.values[1];
             mGamma = -s.values[2];
             Log.i("GeckoEvent", "SensorEvent type = " + s.sensor.getType() + " " + s.sensor.getName() + " " + mAlpha + " " + mBeta + " " + mGamma );
+            break;
+
+        case Sensor.TYPE_PROXIMITY:
+            mType = PROXIMITY_EVENT;
+            mDistance = s.values[0];
+            Log.i("GeckoEvent", "SensorEvent type = " + s.sensor.getType() + 
+                  " " + s.sensor.getName() + " " + mDistance);
+            break;
         }
     }
 

widget/android/AndroidJavaWrappers.cpp

@@ -52,6 +52,7 @@ jfieldID AndroidGeckoEvent::jGammaField = 0;
 jfieldID AndroidGeckoEvent::jXField = 0;
 jfieldID AndroidGeckoEvent::jYField = 0;
 jfieldID AndroidGeckoEvent::jZField = 0;
+jfieldID AndroidGeckoEvent::jDistanceField = 0;
 jfieldID AndroidGeckoEvent::jRectField = 0;
 jfieldID AndroidGeckoEvent::jNativeWindowField = 0;
 
@@ -161,6 +162,7 @@ AndroidGeckoEvent::InitGeckoEventClass(JNIEnv *jEnv)
     jXField = getField("mX", "D");
     jYField = getField("mY", "D");
     jZField = getField("mZ", "D");
+    jDistanceField = getField("mDistance", "D");
     jRectField = getField("mRect", "Landroid/graphics/Rect;");
 
     jCharactersField = getField("mCharacters", "Ljava/lang/String;");
@@ -491,6 +493,11 @@ AndroidGeckoEvent::Init(JNIEnv *jenv, jobject jobj)
             break;
         }
 
+        case PROXIMITY_EVENT: {
+            mDistance = jenv->GetDoubleField(jobj, jDistanceField);
+            break;
+        }
+
         default:
             break;
     }

widget/android/AndroidJavaWrappers.h

@@ -440,6 +440,7 @@ public:
     double X() { return mX; }
     double Y() { return mY; }
     double Z() { return mZ; }
+    double Distance() { return mDistance; }
     const nsIntRect& Rect() { return mRect; }
     nsAString& Characters() { return mCharacters; }
     nsAString& CharactersExtra() { return mCharactersExtra; }
@@ -470,6 +471,7 @@ protected:
     int mRangeForeColor, mRangeBackColor;
     double mAlpha, mBeta, mGamma;
     double mX, mY, mZ;
+    double mDistance;
     nsString mCharacters, mCharactersExtra;
     nsRefPtr<nsGeoPosition> mGeoPosition;
     nsRefPtr<nsGeoPositionAddress> mGeoAddress;
@@ -492,6 +494,7 @@ protected:
     static jfieldID jXField;
     static jfieldID jYField;
     static jfieldID jZField;
+    static jfieldID jDistanceField;
     static jfieldID jRectField;
     static jfieldID jNativeWindowField;
 
@@ -534,6 +537,7 @@ public:
         VIEWPORT = 20,
         TILE_SIZE = 21,
         VISITED = 22,
+        PROXIMITY_EVENT = 23,
         dummy_java_enum_list_end
     };
 

widget/android/nsAppShell.cpp

@@ -36,6 +36,10 @@
  *
  * ***** END LICENSE BLOCK ***** */
 
+// Make sure the order of included headers
+#include "base/basictypes.h"
+#include "nspr/prtypes.h"
+
 #include "nsAppShell.h"
 #include "nsWindow.h"
 #include "nsThreadUtils.h"
@@ -47,6 +51,7 @@
 #include "mozilla/Services.h"
 #include "mozilla/unused.h"
 #include "mozilla/Preferences.h"
+#include "mozilla/Hal.h"
 #include "prenv.h"
 
 #include "AndroidBridge.h"
@@ -354,6 +359,15 @@ nsAppShell::ProcessNextNativeEvent(bool mayWait)
         break;
     }
 
+    case AndroidGeckoEvent::PROXIMITY_EVENT: {
+        InfallibleTArray<float> values;
+        values.AppendElement(curEvent->Distance());
+        
+        hal::SensorData sdata(hal::SENSOR_PROXIMITY, PR_Now(), values);
+        hal::NotifySensorChange(sdata);
+        break;
+    }
+
     case AndroidGeckoEvent::ACTIVITY_STOPPING: {
         nsCOMPtr<nsIObserverService> obsServ =
             mozilla::services::GetObserverService();