content/browser/renderer_host/input/synthetic_gesture_target_android.h

   1 // Copyright 2013 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_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_ANDROID_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_ANDROID_H_
   7
   8 #include "base/android/jni_android.h"
   9 #include "base/time/time.h"
  10 #include "content/browser/renderer_host/input/synthetic_gesture_target_base.h"
  11
  12 namespace content {
  13
  14 class ContentViewCoreImpl;
  15
  16 class SyntheticGestureTargetAndroid : public SyntheticGestureTargetBase {
  17  public:
  18   SyntheticGestureTargetAndroid(
  19       RenderWidgetHostImpl* host,
  20       base::android::ScopedJavaLocalRef<jobject> touch_event_synthesizer);
  21   virtual ~SyntheticGestureTargetAndroid();
  22
  23   static bool RegisterTouchEventSynthesizer(JNIEnv* env);
  24
  25   virtual void DispatchWebTouchEventToPlatform(
  26       const blink::WebTouchEvent& web_touch,
  27       const ui::LatencyInfo& latency_info) OVERRIDE;
  28
  29   // SyntheticGestureTarget:
  30   virtual SyntheticGestureParams::GestureSourceType
  31       GetDefaultSyntheticGestureSourceType() const OVERRIDE;
  32   virtual bool SupportsSyntheticGestureSourceType(
  33       SyntheticGestureParams::GestureSourceType gesture_source_type) const
  34       OVERRIDE;
  35
  36   virtual int GetTouchSlopInDips() const OVERRIDE;
  37
  38  private:
  39   // Enum values below need to be kept in sync with TouchEventSynthesizer.java
  40   enum Action {
  41     ActionInvalid = -1,
  42     ActionStart = 0,
  43     ActionMove = 1,
  44     ActionCancel = 2,
  45     ActionEnd = 3
  46   };
  47
  48   void TouchSetPointer(JNIEnv* env, int index, int x, int y, int id);
  49   void TouchInject(
  50       JNIEnv* env, Action action, int pointer_count, long time_in_ms);
  51
  52   base::android::ScopedJavaGlobalRef<jobject> touch_event_synthesizer_;
  53
  54   DISALLOW_COPY_AND_ASSIGN(SyntheticGestureTargetAndroid);
  55 };
  56
  57 }  // namespace content
  58
  59 #endif  // CONTENT_BROWSER_RENDERER_HOST_INPUT_SYNTHETIC_GESTURE_TARGET_ANDROID_H_