SyntheticGestureTarget implementation for injecting synthetic input events

content/browser/renderer_host/input/synthetic_gesture_target_android.h

+// 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_INPUT_SYNTHETIC_GESTURE_TARGET_ANDROID_H_
+#define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_ANDROID_H_
+
+#include "base/android/jni_android.h"
+#include "base/time/time.h"
+#include "content/browser/renderer_host/input/synthetic_gesture_target_base.h"
+
+namespace content {
+
+class ContentViewCoreImpl;
+
+class SyntheticGestureTargetAndroid : public SyntheticGestureTargetBase {
+ public:
+  SyntheticGestureTargetAndroid(
+      RenderWidgetHostImpl* host,
+      base::android::ScopedJavaLocalRef<jobject> touch_event_synthesizer);
+  virtual ~SyntheticGestureTargetAndroid();
+
+  static bool RegisterTouchEventSynthesizer(JNIEnv* env);
+
+  virtual void QueueWebTouchEventToPlatform(
+      const blink::WebTouchEvent& web_touch,
+      const ui::LatencyInfo& latency_info) OVERRIDE;
+
+  // SyntheticGestureTarget:
+  virtual SyntheticGestureParams::GestureSourceType
+      GetDefaultSyntheticGestureSourceType() const OVERRIDE;
+  virtual bool SupportsSyntheticGestureSourceType(
+      SyntheticGestureParams::GestureSourceType gesture_source_type) const
+      OVERRIDE;
+
+ private:
+  // Enum values below need to be kept in sync with TouchEventSynthesizer.java
+  enum Action {
+    ActionInvalid = -1,
+    ActionStart = 0,
+    ActionMove = 1,
+    ActionCancel = 2,
+    ActionEnd = 3
+  };
+
+  void TouchSetPointer(JNIEnv* env, int index, int x, int y, int id);
+  void TouchInject(JNIEnv* env, Action action, int pointer_count);
+
+  base::android::ScopedJavaGlobalRef<jobject> touch_event_synthesizer_;
+
+  DISALLOW_COPY_AND_ASSIGN(SyntheticGestureTargetAndroid);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_ANDROID_H_