content_view_core.h revision 90dce4d38c5ff5333bea97d859d4e484e27edf0c 
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
15namespace cc {
16class Layer;
17}
18
19namespace gfx {
20class Rect;
21class Size;
22class SizeF;
23class Vector2dF;
24}
25
26namespace ui {
27class ViewAndroid;
28class WindowAndroid;
29}
30
31namespace content {
32class WebContents;
33
34// Native side of the ContentViewCore.java, which is the primary way of
35// communicating with the native Chromium code on Android.  This is a
36// public interface used by native code outside of the content module.
37class CONTENT_EXPORT ContentViewCore {
38 public:
39  // Returns the existing ContentViewCore for |web_contents|, or NULL.
40  static ContentViewCore* FromWebContents(WebContents* web_contents);
41  static ContentViewCore* GetNativeContentViewCore(JNIEnv* env, jobject obj);
42
43  virtual WebContents* GetWebContents() const = 0;
44  virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() = 0;
45  virtual ui::ViewAndroid* GetViewAndroid() const = 0;
46  virtual ui::WindowAndroid* GetWindowAndroid() const = 0;
47  virtual scoped_refptr<cc::Layer> GetLayer() const = 0;
48  virtual void LoadUrl(NavigationController::LoadURLParams& params) = 0;
49  virtual jint GetCurrentRenderProcessId(JNIEnv* env, jobject obj) = 0;
50  virtual void ShowPastePopup(int x, int y) = 0;
51  virtual unsigned int GetScaledContentTexture(
52      float scale,
53      gfx::Size* out_size) = 0;
54  virtual float GetDpiScale() const = 0;
55  virtual void RequestContentClipping(const gfx::Rect& clipping,
56                                      const gfx::Size& content_size) = 0;
57
58  // Observer callback for frame metadata updates.
59  typedef base::Callback<void(
60      const gfx::SizeF& content_size,
61      const gfx::Vector2dF& scroll_offset,
62      float page_scale_factor)> UpdateFrameInfoCallback;
63
64  virtual void AddFrameInfoCallback(
65      const UpdateFrameInfoCallback& callback) = 0;
66  virtual void RemoveFrameInfoCallback(
67      const UpdateFrameInfoCallback& callback) = 0;
68
69 protected:
70  virtual ~ContentViewCore() {};
71};
72
73};  // namespace content
74
75#endif  // CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_
76