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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CONTENT_BROWSER_RENDERER_JAVA_BRIDGE_DISPATCHER_HOST_MANAGER_H_ |
| 6 #define CONTENT_BROWSER_RENDERER_JAVA_BRIDGE_DISPATCHER_HOST_MANAGER_H_ |
| 7 #pragma once |
| 8 |
| 9 #include <map> |
| 10 |
| 11 #include "base/memory/ref_counted.h" |
| 12 #include "base/memory/scoped_ptr.h" |
| 13 #include "base/string16.h" |
| 14 #include "content/browser/tab_contents/tab_contents_observer.h" |
| 15 |
| 16 class JavaBridgeDispatcherHost; |
| 17 class RenderViewHost; |
| 18 struct NPObject; |
| 19 |
| 20 // This class handles injecting Java objects into all of the RenderViews |
| 21 // associated with a TabContents. It manages a set of JavaBridgeDispatcherHost |
| 22 // objects, one per RenderViewHost. |
| 23 class JavaBridgeDispatcherHostManager : public TabContentsObserver { |
| 24 public: |
| 25 JavaBridgeDispatcherHostManager(TabContents* tab_contents); |
| 26 virtual ~JavaBridgeDispatcherHostManager(); |
| 27 |
| 28 // These methods add or remove the object to each JavaBridgeDispatcherHost. |
| 29 // Each one holds a reference to the NPObject while the object is bound to |
| 30 // the corresponding RenderView. See JavaBridgeDispatcherHost for details. |
| 31 void AddNamedObject(const string16& name, NPObject* object); |
| 32 void RemoveNamedObject(const string16& name); |
| 33 |
| 34 // TabContentsObserver overrides |
| 35 virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE; |
| 36 virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE; |
| 37 virtual void TabContentsDestroyed(TabContents* tab_contents) OVERRIDE; |
| 38 |
| 39 private: |
| 40 typedef std::map<RenderViewHost*, scoped_refptr<JavaBridgeDispatcherHost> > |
| 41 InstanceMap; |
| 42 InstanceMap instances_; |
| 43 typedef std::map<string16, NPObject*> ObjectMap; |
| 44 ObjectMap objects_; |
| 45 |
| 46 DISALLOW_COPY_AND_ASSIGN(JavaBridgeDispatcherHostManager); |
| 47 }; |
| 48 |
| 49 #endif // CONTENT_BROWSER_RENDERER_JAVA_BRIDGE_DISPATCHER_HOST_MANAGER_H_ |
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