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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_BROWSER_ANDROID_TOUCH_POINT_H_
      6 #define CONTENT_BROWSER_ANDROID_TOUCH_POINT_H_
      7 
      8 #include <jni.h>
      9 
     10 #include "third_party/WebKit/public/web/WebInputEvent.h"
     11 
     12 namespace content {
     13 
     14 // This class provides a helper method to convert a java object array of touch
     15 // events (in physical pixdels) into a WebKit::WebTouchEvent (in dip).
     16 class TouchPoint {
     17  public:
     18   static void BuildWebTouchEvent(JNIEnv* env,
     19                                  jint type,
     20                                  jlong time_ms,
     21                                  float dpi_scale,
     22                                  jobjectArray pts,
     23                                  WebKit::WebTouchEvent& event);
     24 };
     25 
     26 bool RegisterTouchPoint(JNIEnv* env);
     27 
     28 }  // namespace content
     29 
     30 #endif  // CONTENT_BROWSER_ANDROID_CHROME_VIEW_H_
     31