[Tracking Patch] Unified gesture detection

content/browser/renderer_host/input/native_web_touch_event.h

+// Copyright (c) 2012 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_NATIVE_WEB_TOUCH_EVENT_H_
+#define CONTENT_BROWSER_RENDERER_HOST_INPUT_NATIVE_WEB_TOUCH_EVENT_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "build/build_config.h"
+#include "content/common/content_export.h"
+#include "third_party/WebKit/public/web/WebInputEvent.h"
+#include "ui/events/event_constants.h"
+
+#if defined(OS_ANDROID)
+#include "content/browser/renderer_host/input/motion_event_android.h"
+#endif
+
+namespace content {
+
+// Owns a platform specific event; used to pass own and pass event through
+// platform independent code.
+struct CONTENT_EXPORT NativeWebTouchEvent :
+  NON_EXPORTED_BASE(public blink::WebTouchEvent) {
+
+#if defined(OS_ANDROID)
+  NativeWebTouchEvent(jobject android_motion_event,
+                      bool should_recycle,
+                      float device_scale_factor);
+#else
+  NativeWebTouchEvent();
+  explicit NativeWebTouchEvent(const blink::WebTouchEvent& web_event);
+#endif
+
+  NativeWebTouchEvent(const NativeWebTouchEvent& other);
+  ~NativeWebTouchEvent();
+
+  NativeWebTouchEvent& operator=(const NativeWebTouchEvent& other);
+
+#if defined(OS_ANDROID)
+  MotionEventAndroid android_event;
+  float device_scale_factor;
+#endif
+
+ private:
+  NativeWebTouchEvent();
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_NATIVE_WEB_TOUCH_EVENT_H_