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
  15 namespace cc {
  16 class Layer;
  17 }
  18
  19 namespace gfx {
  20 class Rect;
  21 class Size;
  22 class SizeF;
  23 class Vector2dF;
  24 }
  25
  26 namespace ui {
  27 class ViewAndroid;
  28 class WindowAndroid;
  29 }
  30
  31 namespace WebKit {
  32 class WebCompositorInputHandler;
  33 }
  34
  35 namespace content {
  36 class WebContents;
  37
  38 // Native side of the ContentViewCore.java, which is the primary way of
  39 // communicating with the native Chromium code on Android.  This is a
  40 // public interface used by native code outside of the content module.
  41 class CONTENT_EXPORT ContentViewCore {
  42  public:
  43   // Returns the existing ContentViewCore for |web_contents|, or NULL.
  44   static ContentViewCore* FromWebContents(WebContents* web_contents);
  45   static ContentViewCore* GetNativeContentViewCore(JNIEnv* env, jobject obj);
  46
  47   virtual WebContents* GetWebContents() const = 0;
  48   virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() = 0;
  49   virtual ui::ViewAndroid* GetViewAndroid() const = 0;
  50   virtual ui::WindowAndroid* GetWindowAndroid() const = 0;
  51   virtual scoped_refptr<cc::Layer> GetLayer() const = 0;
  52   virtual void LoadUrl(NavigationController::LoadURLParams& params) = 0;
  53   virtual jint GetCurrentRenderProcessId(JNIEnv* env, jobject obj) = 0;
  54   virtual void ShowPastePopup(int x, int y) = 0;
  55   virtual unsigned int GetScaledContentTexture(
  56       float scale,
  57       gfx::Size* out_size) = 0;
  58   virtual float GetDpiScale() const = 0;
  59   virtual void SetInputHandler(
  60       WebKit::WebCompositorInputHandler* input_handler) = 0;
  61   virtual void RequestContentClipping(const gfx::Rect& clipping,
  62                                       const gfx::Size& content_size) = 0;
  63
  64   // Observer callback for frame metadata updates.
  65   typedef base::Callback<void(
  66       const gfx::SizeF& content_size,
  67       const gfx::Vector2dF& scroll_offset,
  68       float page_scale_factor)> UpdateFrameInfoCallback;
  69
  70   virtual void AddFrameInfoCallback(
  71       const UpdateFrameInfoCallback& callback) = 0;
  72   virtual void RemoveFrameInfoCallback(
  73       const UpdateFrameInfoCallback& callback) = 0;
  74
  75  protected:
  76   virtual ~ContentViewCore() {};
  77 };
  78
  79 };  // namespace content
  80
  81 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_