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 "base/strings/string16.h"
  13 #include "content/common/content_export.h"
  14 #include "content/public/browser/readback_types.h"
  15 #include "third_party/skia/include/core/SkImageInfo.h"
  16 #include "ui/gfx/geometry/rect.h"
  17
  18 namespace cc {
  19 class Layer;
  20 }
  21
  22 namespace gfx {
  23 class Rect;
  24 }
  25
  26 namespace ui {
  27 class ViewAndroid;
  28 class WindowAndroid;
  29 }
  30
  31 namespace content {
  32 class 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.
  37 class CONTENT_EXPORT ContentViewCore {
  38  public:
  39   // Returns the existing ContentViewCore for |web_contents|, or nullptr.
  40   static ContentViewCore* FromWebContents(WebContents* web_contents);
  41   static ContentViewCore* GetNativeContentViewCore(JNIEnv* env, jobject obj);
  42
  43   virtual WebContents* GetWebContents() const = 0;
  44
  45   // May return null reference.
  46   virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() = 0;
  47   virtual ui::ViewAndroid* GetViewAndroid() const = 0;
  48   virtual ui::WindowAndroid* GetWindowAndroid() const = 0;
  49   virtual const scoped_refptr<cc::Layer>& GetLayer() const = 0;
  50   virtual void ShowPastePopup(int x, int y) = 0;
  51
  52   // Request a scaled content readback. The result is passed through the
  53   // callback. The boolean parameter indicates whether the readback was a
  54   // success or not. The content is passed through the SkBitmap parameter.
  55   virtual void GetScaledContentBitmap(
  56       float scale,
  57       SkColorType color_type,
  58       const gfx::Rect& src_rect,
  59       ReadbackRequestCallback& result_callback) = 0;
  60   virtual float GetDpiScale() const = 0;
  61   virtual void PauseOrResumeGeolocation(bool should_pause) = 0;
  62
  63   // Text surrounding selection.
  64   virtual void RequestTextSurroundingSelection(
  65       int max_length,
  66       const base::Callback<void(const base::string16& content,
  67                                 int start_offset,
  68                                 int end_offset)>& callback) = 0;
  69
  70  protected:
  71   virtual ~ContentViewCore() {};
  72 };
  73
  74 };  // namespace content
  75
  76 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_CORE_H_