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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 namespace content { | 12 namespace content { |
| 13 class RenderViewHost; | 13 class RenderViewHost; |
| 14 class RenderViewHostDelegate; | 14 class RenderViewHostDelegate; |
| 15 class RenderWidgetHostDelegate; |
| 15 class SessionStorageNamespace; | 16 class SessionStorageNamespace; |
| 16 class SiteInstance; | 17 class SiteInstance; |
| 17 } | 18 } |
| 18 | 19 |
| 19 // A factory for creating RenderViewHosts. There is a global factory function | 20 // A factory for creating RenderViewHosts. There is a global factory function |
| 20 // 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 |
| 21 // RenderViewHost class. | 22 // RenderViewHost class. |
| 22 class RenderViewHostFactory { | 23 class RenderViewHostFactory { |
| 23 public: | 24 public: |
| 24 // Creates a RenderViewHost using the currently registered factory, or the | 25 // Creates a RenderViewHost using the currently registered factory, or the |
| 25 // default one if no factory is registered. Ownership of the returned | 26 // default one if no factory is registered. Ownership of the returned |
| 26 // pointer will be passed to the caller. | 27 // pointer will be passed to the caller. |
| 27 static content::RenderViewHost* Create( | 28 static content::RenderViewHost* Create( |
| 28 content::SiteInstance* instance, | 29 content::SiteInstance* instance, |
| 29 content::RenderViewHostDelegate* delegate, | 30 content::RenderViewHostDelegate* delegate, |
| 31 content::RenderWidgetHostDelegate* widget_delegate, |
| 30 int routing_id, | 32 int routing_id, |
| 31 bool swapped_out, | 33 bool swapped_out, |
| 32 content::SessionStorageNamespace* session_storage); | 34 content::SessionStorageNamespace* session_storage); |
| 33 | 35 |
| 34 // Returns true if there is currently a globally-registered factory. | 36 // Returns true if there is currently a globally-registered factory. |
| 35 static bool has_factory() { | 37 static bool has_factory() { |
| 36 return !!factory_; | 38 return !!factory_; |
| 37 } | 39 } |
| 38 | 40 |
| 39 protected: | 41 protected: |
| 40 RenderViewHostFactory() {} | 42 RenderViewHostFactory() {} |
| 41 virtual ~RenderViewHostFactory() {} | 43 virtual ~RenderViewHostFactory() {} |
| 42 | 44 |
| 43 // You can derive from this class and specify an implementation for this | 45 // You can derive from this class and specify an implementation for this |
| 44 // function to create a different kind of RenderViewHost for testing. | 46 // function to create a different kind of RenderViewHost for testing. |
| 45 virtual content::RenderViewHost* CreateRenderViewHost( | 47 virtual content::RenderViewHost* CreateRenderViewHost( |
| 46 content::SiteInstance* instance, | 48 content::SiteInstance* instance, |
| 47 content::RenderViewHostDelegate* delegate, | 49 content::RenderViewHostDelegate* delegate, |
| 50 content::RenderWidgetHostDelegate* widget_delegate, |
| 48 int routing_id, | 51 int routing_id, |
| 49 bool swapped_out, | 52 bool swapped_out, |
| 50 content::SessionStorageNamespace* session_storage_namespace) = 0; | 53 content::SessionStorageNamespace* session_storage_namespace) = 0; |
| 51 | 54 |
| 52 // Registers your factory to be called when new RenderViewHosts are created. | 55 // Registers your factory to be called when new RenderViewHosts are created. |
| 53 // We have only one global factory, so there must be no factory registered | 56 // We have only one global factory, so there must be no factory registered |
| 54 // before the call. This class does NOT take ownership of the pointer. | 57 // before the call. This class does NOT take ownership of the pointer. |
| 55 CONTENT_EXPORT static void RegisterFactory(RenderViewHostFactory* factory); | 58 CONTENT_EXPORT static void RegisterFactory(RenderViewHostFactory* factory); |
| 56 | 59 |
| 57 // Unregister the previously registered factory. With no factory registered, | 60 // Unregister the previously registered factory. With no factory registered, |
| 58 // the default RenderViewHosts will be created. | 61 // the default RenderViewHosts will be created. |
| 59 CONTENT_EXPORT static void UnregisterFactory(); | 62 CONTENT_EXPORT static void UnregisterFactory(); |
| 60 | 63 |
| 61 private: | 64 private: |
| 62 // The current globally registered factory. This is NULL when we should | 65 // The current globally registered factory. This is NULL when we should |
| 63 // create the default RenderViewHosts. | 66 // create the default RenderViewHosts. |
| 64 CONTENT_EXPORT static RenderViewHostFactory* factory_; | 67 CONTENT_EXPORT static RenderViewHostFactory* factory_; |
| 65 | 68 |
| 66 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); | 69 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); |
| 67 }; | 70 }; |
| 68 | 71 |
| 69 | 72 |
| 70 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 73 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ |
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