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| 1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2009 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 CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 5 #ifndef CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ |
| 6 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 6 #define CHROME_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 | 10 |
| 11 class RenderViewHost; | 11 class RenderViewHost; |
| 12 class RenderViewHostDelegate; | 12 class RenderViewHostDelegate; |
| 13 class SessionStorageNamespace; |
| 13 class SiteInstance; | 14 class SiteInstance; |
| 14 | 15 |
| 15 namespace base { | 16 namespace base { |
| 16 class WaitableEvent; | 17 class WaitableEvent; |
| 17 } // namespace base | 18 } // namespace base |
| 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 RenderViewHost* Create(SiteInstance* instance, | 28 static RenderViewHost* Create(SiteInstance* instance, |
| 28 RenderViewHostDelegate* delegate, | 29 RenderViewHostDelegate* delegate, |
| 29 int routing_id, | 30 int routing_id, |
| 30 int64 session_storage_namespace_id); | 31 SessionStorageNamespace* session_storage); |
| 31 | 32 |
| 32 // Returns true if there is currently a globally-registered factory. | 33 // Returns true if there is currently a globally-registered factory. |
| 33 static bool has_factory() { | 34 static bool has_factory() { |
| 34 return !!factory_; | 35 return !!factory_; |
| 35 } | 36 } |
| 36 | 37 |
| 37 protected: | 38 protected: |
| 38 RenderViewHostFactory() {} | 39 RenderViewHostFactory() {} |
| 39 virtual ~RenderViewHostFactory() {} | 40 virtual ~RenderViewHostFactory() {} |
| 40 | 41 |
| 41 // 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 |
| 42 // function to create a different kind of RenderViewHost for testing. | 43 // function to create a different kind of RenderViewHost for testing. |
| 43 virtual RenderViewHost* CreateRenderViewHost( | 44 virtual RenderViewHost* CreateRenderViewHost( |
| 44 SiteInstance* instance, | 45 SiteInstance* instance, |
| 45 RenderViewHostDelegate* delegate, | 46 RenderViewHostDelegate* delegate, |
| 46 int routing_id, | 47 int routing_id, |
| 47 int64 session_storage_namespace_id) = 0; | 48 SessionStorageNamespace* session_storage_namespace) = 0; |
| 48 | 49 |
| 49 // Registers your factory to be called when new RenderViewHosts are created. | 50 // Registers your factory to be called when new RenderViewHosts are created. |
| 50 // 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 |
| 51 // 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. |
| 52 static void RegisterFactory(RenderViewHostFactory* factory); | 53 static void RegisterFactory(RenderViewHostFactory* factory); |
| 53 | 54 |
| 54 // Unregister the previously registered factory. With no factory registered, | 55 // Unregister the previously registered factory. With no factory registered, |
| 55 // the default RenderViewHosts will be created. | 56 // the default RenderViewHosts will be created. |
| 56 static void UnregisterFactory(); | 57 static void UnregisterFactory(); |
| 57 | 58 |
| 58 private: | 59 private: |
| 59 // The current globally registered factory. This is NULL when we should | 60 // The current globally registered factory. This is NULL when we should |
| 60 // create the default RenderViewHosts. | 61 // create the default RenderViewHosts. |
| 61 static RenderViewHostFactory* factory_; | 62 static RenderViewHostFactory* factory_; |
| 62 | 63 |
| 63 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); | 64 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); |
| 64 }; | 65 }; |
| 65 | 66 |
| 66 | 67 |
| 67 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 68 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ |
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