blimp: Add support for input handling

blimp/client/android/blimp_view.h

Index: blimp/client/android/blimp_view.h
diff --git a/blimp/client/android/blimp_view.h b/blimp/client/android/blimp_view.h
index bd5302f7ab7f18b6d9d0b363a6150552603523e3..9b1bb32a51d235c4e03c9f924e59178f855f6eed 100644
--- a/blimp/client/android/blimp_view.h
+++ b/blimp/client/android/blimp_view.h
@@ -8,6 +8,7 @@
 #include "base/android/jni_android.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
+#include "ui/events/gesture_detection/filtered_gesture_provider.h"
 
 namespace gfx {
 class Size;
@@ -20,7 +21,7 @@ class BlimpCompositorAndroid;
 // The native component of org.chromium.blimp.BlimpView.  This builds and
 // maintains a BlimpCompositorAndroid and handles notifying the compositor of
 // SurfaceView surface changes (size, creation, destruction, etc.).
-class BlimpView {
+class BlimpView : public ui::GestureProviderClient {
  public:
   static bool RegisterJni(JNIEnv* env);
 
@@ -47,6 +48,35 @@ class BlimpView {
   void OnSurfaceCreated(JNIEnv* env, jobject jobj);
   void OnSurfaceDestroyed(JNIEnv* env, jobject jobj);
   void SetVisibility(JNIEnv* env, jobject jobj, jboolean visible);
+  jboolean OnTouchEvent(JNIEnv* env,
+                        jobject obj,
+                        jobject motion_event,
+                        jlong time_ms,
+                        jint android_action,
+                        jint pointer_count,
+                        jint history_size,
+                        jint action_index,
+                        jfloat pos_x_0,
+                        jfloat pos_y_0,
+                        jfloat pos_x_1,
+                        jfloat pos_y_1,
+                        jint pointer_id_0,
+                        jint pointer_id_1,
+                        jfloat touch_major_0,
+                        jfloat touch_major_1,
+                        jfloat touch_minor_0,
+                        jfloat touch_minor_1,
+                        jfloat orientation_0,
+                        jfloat orientation_1,
+                        jfloat raw_pos_x,
+                        jfloat raw_pos_y,
+                        jint android_tool_type_0,
+                        jint android_tool_type_1,
+                        jint android_button_state,
+                        jint android_meta_state);
+
+  // ui::GestureProviderClient implementation.
+  void OnGestureEvent(const ui::GestureEventData& gesture) override;
 
  private:
   virtual ~BlimpView();
@@ -54,8 +84,14 @@ class BlimpView {
   // Reference to the Java object which owns this class.
   base::android::ScopedJavaGlobalRef<jobject> java_obj_;
 
+  float device_scale_factor_;

[David Trainor- moved to gerrit, 2015/11/02 16:55:30]

const?

[Khushal, 2015/12/01 08:22:25]

Done.

+
   scoped_ptr<BlimpCompositorAndroid> compositor_;
 
+  // Provides gesture synthesis given a stream of touch events (derived from
+  // Android MotionEvent's) and touch event acks.
+  ui::FilteredGestureProvider gesture_provider_;
+
   // The format of the current surface owned by |compositor_|.  See
   // android.graphics.PixelFormat.java.
   int current_surface_format_;