src/content/browser/android/touch_point.h

   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 blink::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                                  blink::WebTouchEvent& event);
  24 };
  25
  26 bool RegisterTouchPoint(JNIEnv* env);
  27
  28 }  // namespace content
  29
  30 #endif  // CONTENT_BROWSER_ANDROID_CHROME_VIEW_H_