content_view_core.h revision effb81e5f8246d0db0270817048dc992db66e9fb 
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#include "ui/gfx/rect.h"
15
16class SkBitmap;
17
18namespace cc {
19class Layer;
20}
21
22namespace gfx {
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 void ShowPastePopup(int x, int y) = 0;
52
53  // Request a scaled content readback. The result is passed through the
54  // callback. The boolean parameter indicates whether the readback was a
55  // success or not. The content is passed through the SkBitmap parameter.
56  virtual void GetScaledContentBitmap(
57      float scale,
58      jobject bitmap_config,
59      gfx::Rect src_rect,
60      const base::Callback<void(bool, const SkBitmap&)>& result_callback) = 0;
61  virtual float GetDpiScale() const = 0;
62  virtual void PauseVideo() = 0;
63  virtual void PauseOrResumeGeolocation(bool should_pause) = 0;
64
65  // Observer callback for frame metadata updates.
66  typedef base::Callback<void(
67      const gfx::SizeF& content_size,
68      const gfx::Vector2dF& scroll_offset,
69      float page_scale_factor)> UpdateFrameInfoCallback;
70
71 protected:
72  virtual ~ContentViewCore() {};
73};
74
75};  // namespace content
76
77#endif  // CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_
78