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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ |
6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 6 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "base/basictypes.h" | 9 #include "base/basictypes.h" |
10 #include "content/common/content_export.h" | 10 #include "content/common/content_export.h" |
11 | 11 |
12 class RenderViewHost; | 12 class RenderViewHost; |
13 class SessionStorageNamespace; | 13 class SessionStorageNamespace; |
14 class SiteInstance; | |
15 | 14 |
16 namespace content { | 15 namespace content { |
17 class RenderViewHostDelegate; | 16 class RenderViewHostDelegate; |
| 17 class SiteInstance; |
18 } | 18 } |
19 | 19 |
20 // A factory for creating RenderViewHosts. There is a global factory function | 20 // A factory for creating RenderViewHosts. There is a global factory function |
21 // that can be installed for the purposes of testing to provide a specialized | 21 // that can be installed for the purposes of testing to provide a specialized |
22 // RenderViewHost class. | 22 // RenderViewHost class. |
23 class RenderViewHostFactory { | 23 class RenderViewHostFactory { |
24 public: | 24 public: |
25 // Creates a RenderViewHost using the currently registered factory, or the | 25 // Creates a RenderViewHost using the currently registered factory, or the |
26 // default one if no factory is registered. Ownership of the returned | 26 // default one if no factory is registered. Ownership of the returned |
27 // pointer will be passed to the caller. | 27 // pointer will be passed to the caller. |
28 static RenderViewHost* Create(SiteInstance* instance, | 28 static RenderViewHost* Create(content::SiteInstance* instance, |
29 content::RenderViewHostDelegate* delegate, | 29 content::RenderViewHostDelegate* delegate, |
30 int routing_id, | 30 int routing_id, |
31 SessionStorageNamespace* session_storage); | 31 SessionStorageNamespace* session_storage); |
32 | 32 |
33 // Returns true if there is currently a globally-registered factory. | 33 // Returns true if there is currently a globally-registered factory. |
34 static bool has_factory() { | 34 static bool has_factory() { |
35 return !!factory_; | 35 return !!factory_; |
36 } | 36 } |
37 | 37 |
38 protected: | 38 protected: |
39 RenderViewHostFactory() {} | 39 RenderViewHostFactory() {} |
40 virtual ~RenderViewHostFactory() {} | 40 virtual ~RenderViewHostFactory() {} |
41 | 41 |
42 // You can derive from this class and specify an implementation for this | 42 // You can derive from this class and specify an implementation for this |
43 // function to create a different kind of RenderViewHost for testing. | 43 // function to create a different kind of RenderViewHost for testing. |
44 virtual RenderViewHost* CreateRenderViewHost( | 44 virtual RenderViewHost* CreateRenderViewHost( |
45 SiteInstance* instance, | 45 content::SiteInstance* instance, |
46 content::RenderViewHostDelegate* delegate, | 46 content::RenderViewHostDelegate* delegate, |
47 int routing_id, | 47 int routing_id, |
48 SessionStorageNamespace* session_storage_namespace) = 0; | 48 SessionStorageNamespace* session_storage_namespace) = 0; |
49 | 49 |
50 // Registers your factory to be called when new RenderViewHosts are created. | 50 // Registers your factory to be called when new RenderViewHosts are created. |
51 // We have only one global factory, so there must be no factory registered | 51 // We have only one global factory, so there must be no factory registered |
52 // before the call. This class does NOT take ownership of the pointer. | 52 // before the call. This class does NOT take ownership of the pointer. |
53 CONTENT_EXPORT static void RegisterFactory(RenderViewHostFactory* factory); | 53 CONTENT_EXPORT static void RegisterFactory(RenderViewHostFactory* factory); |
54 | 54 |
55 // Unregister the previously registered factory. With no factory registered, | 55 // Unregister the previously registered factory. With no factory registered, |
56 // the default RenderViewHosts will be created. | 56 // the default RenderViewHosts will be created. |
57 CONTENT_EXPORT static void UnregisterFactory(); | 57 CONTENT_EXPORT static void UnregisterFactory(); |
58 | 58 |
59 private: | 59 private: |
60 // The current globally registered factory. This is NULL when we should | 60 // The current globally registered factory. This is NULL when we should |
61 // create the default RenderViewHosts. | 61 // create the default RenderViewHosts. |
62 CONTENT_EXPORT static RenderViewHostFactory* factory_; | 62 CONTENT_EXPORT static RenderViewHostFactory* factory_; |
63 | 63 |
64 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); | 64 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); |
65 }; | 65 }; |
66 | 66 |
67 | 67 |
68 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 68 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ |
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