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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 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "content/common/content_export.h" | 9 #include "content/common/content_export.h" |
| 10 | 10 |
| 11 namespace content { | 11 namespace content { |
| 12 class RenderFrameHostDelegate; |
| 12 class RenderViewHost; | 13 class RenderViewHost; |
| 13 class RenderViewHostDelegate; | 14 class RenderViewHostDelegate; |
| 14 class RenderWidgetHostDelegate; | 15 class RenderWidgetHostDelegate; |
| 15 class SessionStorageNamespace; | 16 class SessionStorageNamespace; |
| 16 class SiteInstance; | 17 class SiteInstance; |
| 17 | 18 |
| 18 // A factory for creating RenderViewHosts. There is a global factory function | 19 // A factory for creating RenderViewHosts. There is a global factory function |
| 19 // that can be installed for the purposes of testing to provide a specialized | 20 // that can be installed for the purposes of testing to provide a specialized |
| 20 // RenderViewHost class. | 21 // RenderViewHost class. |
| 21 class RenderViewHostFactory { | 22 class RenderViewHostFactory { |
| 22 public: | 23 public: |
| 23 // Creates a RenderViewHost using the currently registered factory, or the | 24 // Creates a RenderViewHost using the currently registered factory, or the |
| 24 // default one if no factory is registered. Ownership of the returned | 25 // default one if no factory is registered. Ownership of the returned |
| 25 // pointer will be passed to the caller. | 26 // pointer will be passed to the caller. |
| 26 static RenderViewHost* Create( | 27 static RenderViewHost* Create( |
| 27 SiteInstance* instance, | 28 SiteInstance* instance, |
| 28 RenderViewHostDelegate* delegate, | 29 RenderViewHostDelegate* delegate, |
| 30 RenderFrameHostDelegate* frame_delegate, |
| 29 RenderWidgetHostDelegate* widget_delegate, | 31 RenderWidgetHostDelegate* widget_delegate, |
| 30 int routing_id, | 32 int routing_id, |
| 31 int main_frame_routing_id, | 33 int main_frame_routing_id, |
| 32 bool swapped_out, | 34 bool swapped_out, |
| 33 bool hidden); | 35 bool hidden); |
| 34 | 36 |
| 35 // Returns true if there is currently a globally-registered factory. | 37 // Returns true if there is currently a globally-registered factory. |
| 36 static bool has_factory() { | 38 static bool has_factory() { |
| 37 return !!factory_; | 39 return !!factory_; |
| 38 } | 40 } |
| 39 | 41 |
| 40 protected: | 42 protected: |
| 41 RenderViewHostFactory() {} | 43 RenderViewHostFactory() {} |
| 42 virtual ~RenderViewHostFactory() {} | 44 virtual ~RenderViewHostFactory() {} |
| 43 | 45 |
| 44 // You can derive from this class and specify an implementation for this | 46 // You can derive from this class and specify an implementation for this |
| 45 // function to create a different kind of RenderViewHost for testing. | 47 // function to create a different kind of RenderViewHost for testing. |
| 46 virtual RenderViewHost* CreateRenderViewHost( | 48 virtual RenderViewHost* CreateRenderViewHost( |
| 47 SiteInstance* instance, | 49 SiteInstance* instance, |
| 48 RenderViewHostDelegate* delegate, | 50 RenderViewHostDelegate* delegate, |
| 51 RenderFrameHostDelegate* frame_delegate, |
| 49 RenderWidgetHostDelegate* widget_delegate, | 52 RenderWidgetHostDelegate* widget_delegate, |
| 50 int routing_id, | 53 int routing_id, |
| 51 int main_frame_routing_id, | 54 int main_frame_routing_id, |
| 52 bool swapped_out) = 0; | 55 bool swapped_out) = 0; |
| 53 | 56 |
| 54 // Registers your factory to be called when new RenderViewHosts are created. | 57 // Registers your factory to be called when new RenderViewHosts are created. |
| 55 // We have only one global factory, so there must be no factory registered | 58 // We have only one global factory, so there must be no factory registered |
| 56 // before the call. This class does NOT take ownership of the pointer. | 59 // before the call. This class does NOT take ownership of the pointer. |
| 57 CONTENT_EXPORT static void RegisterFactory(RenderViewHostFactory* factory); | 60 CONTENT_EXPORT static void RegisterFactory(RenderViewHostFactory* factory); |
| 58 | 61 |
| 59 // Unregister the previously registered factory. With no factory registered, | 62 // Unregister the previously registered factory. With no factory registered, |
| 60 // the default RenderViewHosts will be created. | 63 // the default RenderViewHosts will be created. |
| 61 CONTENT_EXPORT static void UnregisterFactory(); | 64 CONTENT_EXPORT static void UnregisterFactory(); |
| 62 | 65 |
| 63 private: | 66 private: |
| 64 // The current globally registered factory. This is NULL when we should | 67 // The current globally registered factory. This is NULL when we should |
| 65 // create the default RenderViewHosts. | 68 // create the default RenderViewHosts. |
| 66 CONTENT_EXPORT static RenderViewHostFactory* factory_; | 69 CONTENT_EXPORT static RenderViewHostFactory* factory_; |
| 67 | 70 |
| 68 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); | 71 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); |
| 69 }; | 72 }; |
| 70 | 73 |
| 71 } // namespace content | 74 } // namespace content |
| 72 | 75 |
| 73 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 76 #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ |
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