content_view_core.h revision 5d1f7b1de12d16ceb2c938c56701a3e8bfa558f7 
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_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_
6#define CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_
7
8#include <jni.h>
9
10#include "base/android/scoped_java_ref.h"
11#include "base/callback.h"
12#include "content/common/content_export.h"
13#include "content/public/browser/navigation_controller.h"
14
15class SkBitmap;
16
17namespace cc {
18class Layer;
19}
20
21namespace gfx {
22class Rect;
23class Size;
24class SizeF;
25class Vector2dF;
26}
27
28namespace ui {
29class ViewAndroid;
30class WindowAndroid;
31}
32
33namespace content {
34class WebContents;
35
36// Native side of the ContentViewCore.java, which is the primary way of
37// communicating with the native Chromium code on Android.  This is a
38// public interface used by native code outside of the content module.
39class CONTENT_EXPORT ContentViewCore {
40 public:
41  // Returns the existing ContentViewCore for |web_contents|, or NULL.
42  static ContentViewCore* FromWebContents(WebContents* web_contents);
43  static ContentViewCore* GetNativeContentViewCore(JNIEnv* env, jobject obj);
44
45  virtual WebContents* GetWebContents() const = 0;
46  virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() = 0;
47  virtual ui::ViewAndroid* GetViewAndroid() const = 0;
48  virtual ui::WindowAndroid* GetWindowAndroid() const = 0;
49  virtual scoped_refptr<cc::Layer> GetLayer() const = 0;
50  virtual void LoadUrl(NavigationController::LoadURLParams& params) = 0;
51  virtual jint GetCurrentRenderProcessId(JNIEnv* env, jobject obj) = 0;
52  virtual void ShowPastePopup(int x, int y) = 0;
53
54  // Request a scaled content readback.  The result is passed through the
55  // callback.  The boolean parameter indicates whether the readback was a
56  // success or not.  The content is passed through the SkBitmap parameter.
57  // |out_size| is returned with the size of the content.
58  virtual void GetScaledContentBitmap(
59      float scale,
60      gfx::Size* out_size,
61      const base::Callback<void(bool, const SkBitmap&)>& result_callback) = 0;
62  virtual float GetDpiScale() const = 0;
63  virtual void RequestContentClipping(const gfx::Rect& clipping,
64                                      const gfx::Size& content_size) = 0;
65  virtual void PauseVideo() = 0;
66  virtual void PauseOrResumeGeolocation(bool should_pause) = 0;
67
68  // Observer callback for frame metadata updates.
69  typedef base::Callback<void(
70      const gfx::SizeF& content_size,
71      const gfx::Vector2dF& scroll_offset,
72      float page_scale_factor)> UpdateFrameInfoCallback;
73
74 protected:
75  virtual ~ContentViewCore() {};
76};
77
78};  // namespace content
79
80#endif  // CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_
81