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1 // Copyright (c) 2013 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 ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ | |
6 #define ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ | |
7 | |
8 #include "base/android/scoped_java_ref.h" | |
9 #include "skia/ext/refptr.h" | |
10 | |
11 struct AwDrawGLInfo; | |
12 struct AwDrawSWFunctionTable; | |
13 class SkPicture; | |
14 | |
15 namespace content { | |
16 class ContentViewCore; | |
17 } | |
18 | |
19 namespace gfx { | |
20 class Rect; | |
21 } | |
22 | |
23 namespace android_webview { | |
24 | |
25 // Interface for all the WebView-specific content rendering operations. | |
26 // Provides software and hardware rendering and the Capture Picture API. | |
27 class BrowserViewRenderer { | |
28 public: | |
29 class Client { | |
30 public: | |
31 // Called to trigger view invalidations. | |
32 virtual void Invalidate() = 0; | |
33 | |
34 // Called when a new Picture is available. Needs to be enabled | |
35 // via the EnableOnNewPicture method. | |
36 virtual void OnNewPicture( | |
37 const base::android::JavaRef<jobject>& picture) = 0; | |
38 | |
39 protected: | |
40 virtual ~Client() {} | |
41 }; | |
42 | |
43 // Delegate to perform rendering actions involving Java objects. | |
44 class JavaHelper { | |
45 public: | |
46 // Creates a RGBA_8888 Java Bitmap object of the requested size. | |
47 virtual base::android::ScopedJavaLocalRef<jobject> CreateBitmap( | |
48 JNIEnv* env, | |
49 int width, | |
50 int height) = 0; | |
51 | |
52 // Draws the provided Java Bitmap into the provided Java Canvas. | |
53 virtual void DrawBitmapIntoCanvas( | |
54 JNIEnv* env, | |
55 const base::android::JavaRef<jobject>& jbitmap, | |
56 const base::android::JavaRef<jobject>& jcanvas) = 0; | |
57 | |
58 // Creates a Java Picture object that records drawing the provided Bitmap. | |
59 virtual base::android::ScopedJavaLocalRef<jobject> RecordBitmapIntoPicture( | |
60 JNIEnv* env, | |
61 const base::android::JavaRef<jobject>& jbitmap) = 0; | |
62 | |
63 protected: | |
64 virtual ~JavaHelper() {} | |
65 }; | |
66 | |
67 enum OnNewPictureMode { | |
68 kOnNewPictureDisabled = 0, | |
69 kOnNewPictureEnabled, | |
70 kOnNewPictureInvalidationOnly, | |
71 }; | |
72 | |
73 virtual ~BrowserViewRenderer(); | |
74 | |
75 // Content control methods. | |
76 virtual void SetContents(content::ContentViewCore* content_view_core) = 0; | |
77 | |
78 // Hardware rendering methods. | |
79 virtual void DrawGL(AwDrawGLInfo* draw_info) = 0; | |
80 virtual void SetScrollForHWFrame(int x, int y) = 0; | |
81 | |
82 // Software rendering methods. | |
83 virtual bool DrawSW(jobject java_canvas, const gfx::Rect& clip_bounds) = 0; | |
84 | |
85 // CapturePicture API methods. | |
86 virtual base::android::ScopedJavaLocalRef<jobject> CapturePicture() = 0; | |
87 virtual void EnableOnNewPicture(OnNewPictureMode mode) = 0; | |
88 | |
89 // View update notifications. | |
90 virtual void OnVisibilityChanged(bool view_visible, bool window_visible) = 0; | |
91 virtual void OnSizeChanged(int width, int height) = 0; | |
92 virtual void OnAttachedToWindow(int width, int height) = 0; | |
93 virtual void OnDetachedFromWindow() = 0; | |
94 | |
95 // Platform methods. | |
96 static void SetAwDrawSWFunctionTable(AwDrawSWFunctionTable* table); | |
97 | |
98 protected: | |
99 BrowserViewRenderer(Client* client, JavaHelper* java_helper); | |
100 | |
101 Client* client() const { return client_; } | |
102 JavaHelper* java_helper() const { return java_helper_; } | |
103 | |
104 static AwDrawSWFunctionTable* SWDrawFunctions(); | |
105 static bool IsSkiaVersionCompatible(); | |
106 | |
107 private: | |
108 Client* client_; | |
109 JavaHelper* java_helper_; | |
joth
2013/02/06 20:26:31
I think if we're going to make this a real interfa
Leandro GraciĆ” Gil
2013/02/07 12:43:56
Made a pure interface. Moving data members and Set
| |
110 | |
111 DISALLOW_COPY_AND_ASSIGN(BrowserViewRenderer); | |
112 }; | |
113 | |
114 } // namespace android_webview | |
115 | |
116 #endif // ANDROID_WEBVIEW_BROWSER_BROWSER_VIEW_RENDERER_H_ | |
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