SyntheticGestureTarget implementation for injecting synthetic input events

content/browser/renderer_host/synthetic_touch_event_android.h

Index: content/browser/renderer_host/synthetic_touch_event_android.h
diff --git a/content/browser/renderer_host/synthetic_touch_event_android.h b/content/browser/renderer_host/synthetic_touch_event_android.h
new file mode 100644
index 0000000000000000000000000000000000000000..2d5748c39a2676027792547e53e750b30bab6c28
--- /dev/null
+++ b/content/browser/renderer_host/synthetic_touch_event_android.h
@@ -0,0 +1,52 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_TOUCH_EVENT_ANDROID_H_
+#define CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_TOUCH_EVENT_ANDROID_H_
+
+#include "base/android/jni_android.h"
+#include "base/time/time.h"
+
+namespace WebKit {
+
+class WebTouchEvent;
+
+}  // namespace WebKit
+
+namespace content {
+
+class ContentViewCoreImpl;
+
+class SyntheticTouchEventAndroid {
+ public:
+  // Below need to be keep in sync with SyntheticTouchEvent.java
+  enum Action {
+    ActionInvalid = -1,
+    ActionStart = 0,
+    ActionMove = 1,
+    ActionCancel = 2,
+    ActionEnd = 3
+  };
+
+  SyntheticTouchEventAndroid(ContentViewCoreImpl* content_view_core);
+  ~SyntheticTouchEventAndroid();
+
+  void reset();
+  long GetCurrentTime();
+  void SetDownTime(long downTime);
+  void AddPointer(int x, int y, int id);
+  void Inject(Action action);
+  void InjectWebTouchEvent(const WebKit::WebTouchEvent* web_touch);
+
+ private:
+  JNIEnv* env_;
+  base::android::ScopedJavaGlobalRef<jobject> java_touch_event_;
+  int savedDownTime_;

[Dominik Grewe, 2013/10/10 14:01:45]

Should this be saved_down_time_? Or do we have other style guides when JNI is
involved?

[kouhei (in TOK), 2013/10/15 02:10:02]

Done. I just got confused switching back and forth between C++/Java.

+
+  DISALLOW_COPY_AND_ASSIGN(SyntheticTouchEventAndroid);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_SYNTHETIC_TOUCH_EVENT_ANDROID_H_