content/public/browser/android/content_view_core.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_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
  16 class SkBitmap;
  17
  18 namespace cc {
  19 class Layer;
  20 }
  21
  22 namespace gfx {
  23 class Size;
  24 class SizeF;
  25 class Vector2dF;
  26 }
  27
  28 namespace ui {
  29 class ViewAndroid;
  30 class WindowAndroid;
  31 }
  32
  33 namespace content {
  34 class 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.
  39 class 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_