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// Copyright (c) 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_TOUCH_SMOOTH_GESTURE_ANDROID_H_
#define CONTENT_BROWSER_RENDERER_HOST_TOUCH_SMOOTH_GESTURE_ANDROID_H_
#include "base/android/jni_android.h"
#include "base/time.h"
#include "content/browser/renderer_host/smooth_scroll_calculator.h"
#include "content/port/browser/smooth_scroll_gesture.h"
namespace content {
class ContentViewCore;
class RenderWidgetHost;
class TouchSmoothScrollGestureAndroid : public SmoothScrollGesture {
public:
TouchSmoothScrollGestureAndroid(
int pixels_to_scroll,
RenderWidgetHost* rwh,
base::android::ScopedJavaLocalRef<jobject> java_scroller);
// Called by the java side once the TimeAnimator ticks.
double GetScrollDelta(JNIEnv* env, jobject obj, double scale);
bool HasFinished(JNIEnv* env, jobject obj);
void SetHasSentMotionUp(JNIEnv* env, jobject obj);
// SmoothScrollGesture
virtual bool ForwardInputEvents(base::TimeTicks now,
RenderWidgetHost* host) OVERRIDE;
private:
virtual ~TouchSmoothScrollGestureAndroid();
SmoothScrollCalculator smooth_scroll_calculator_;
int pixels_scrolled_;
bool has_started_;
bool has_sent_motion_up_;
int pixels_to_scroll_;
RenderWidgetHost* rwh_;
base::android::ScopedJavaGlobalRef<jobject> java_scroller_;
DISALLOW_COPY_AND_ASSIGN(TouchSmoothScrollGestureAndroid);
};
} // namespace content
#endif // CONTENT_BROWSER_RENDERER_HOST_TOUCH_SMOOTH_GESTURE_ANDROID_H_
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