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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 // TODO(jam): remove this file when all files have been converted. |
| 10 | 10 #include "content/browser/renderer_host/render_view_host_factory.h" |
| 11 class RenderViewHost; | |
| 12 class RenderViewHostDelegate; | |
| 13 class SessionStorageNamespace; | |
| 14 class SiteInstance; | |
| 15 | |
| 16 namespace base { | |
| 17 class WaitableEvent; | |
| 18 } // namespace base | |
| 19 | |
| 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 | |
| 22 // RenderViewHost class. | |
| 23 class RenderViewHostFactory { | |
| 24 public: | |
| 25 // Creates a RenderViewHost using the currently registered factory, or the | |
| 26 // default one if no factory is registered. Ownership of the returned | |
| 27 // pointer will be passed to the caller. | |
| 28 static RenderViewHost* Create(SiteInstance* instance, | |
| 29 RenderViewHostDelegate* delegate, | |
| 30 int routing_id, | |
| 31 SessionStorageNamespace* session_storage); | |
| 32 | |
| 33 // Returns true if there is currently a globally-registered factory. | |
| 34 static bool has_factory() { | |
| 35 return !!factory_; | |
| 36 } | |
| 37 | |
| 38 protected: | |
| 39 RenderViewHostFactory() {} | |
| 40 virtual ~RenderViewHostFactory() {} | |
| 41 | |
| 42 // You can derive from this class and specify an implementation for this | |
| 43 // function to create a different kind of RenderViewHost for testing. | |
| 44 virtual RenderViewHost* CreateRenderViewHost( | |
| 45 SiteInstance* instance, | |
| 46 RenderViewHostDelegate* delegate, | |
| 47 int routing_id, | |
| 48 SessionStorageNamespace* session_storage_namespace) = 0; | |
| 49 | |
| 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 | |
| 52 // before the call. This class does NOT take ownership of the pointer. | |
| 53 static void RegisterFactory(RenderViewHostFactory* factory); | |
| 54 | |
| 55 // Unregister the previously registered factory. With no factory registered, | |
| 56 // the default RenderViewHosts will be created. | |
| 57 static void UnregisterFactory(); | |
| 58 | |
| 59 private: | |
| 60 // The current globally registered factory. This is NULL when we should | |
| 61 // create the default RenderViewHosts. | |
| 62 static RenderViewHostFactory* factory_; | |
| 63 | |
| 64 DISALLOW_COPY_AND_ASSIGN(RenderViewHostFactory); | |
| 65 }; | |
| 66 | |
| 67 | 11 |
| 68 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ | 12 #endif // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_FACTORY_H_ |
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