| OLD | NEW |
| (Empty) |
| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_MANAGER_H
_ | |
| 6 #define CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_MANAGER_H
_ | |
| 7 | |
| 8 #include <map> | |
| 9 | |
| 10 #include "base/android/jni_weak_ref.h" | |
| 11 #include "base/android/scoped_java_ref.h" | |
| 12 #include "base/compiler_specific.h" | |
| 13 #include "base/memory/ref_counted.h" | |
| 14 #include "base/memory/weak_ptr.h" | |
| 15 #include "base/strings/string16.h" | |
| 16 #include "content/public/browser/web_contents_observer.h" | |
| 17 | |
| 18 struct NPObject; | |
| 19 | |
| 20 namespace content { | |
| 21 class JavaBridgeDispatcherHost; | |
| 22 class RenderFrameHost; | |
| 23 | |
| 24 // This class handles injecting Java objects into all of the RenderFrames | |
| 25 // associated with a WebContents. It manages a set of JavaBridgeDispatcherHost | |
| 26 // objects, one per RenderFrameHost. | |
| 27 class JavaBridgeDispatcherHostManager | |
| 28 : public WebContentsObserver, | |
| 29 public base::SupportsWeakPtr<JavaBridgeDispatcherHostManager> { | |
| 30 public: | |
| 31 JavaBridgeDispatcherHostManager(WebContents* web_contents, | |
| 32 jobject retained_object_set); | |
| 33 virtual ~JavaBridgeDispatcherHostManager(); | |
| 34 | |
| 35 // These methods add or remove the object to each JavaBridgeDispatcherHost. | |
| 36 // Each one holds a reference to the NPObject while the object is bound to | |
| 37 // the corresponding RenderFrame. See JavaBridgeDispatcherHost for details. | |
| 38 void AddNamedObject(const base::string16& name, NPObject* object); | |
| 39 void RemoveNamedObject(const base::string16& name); | |
| 40 | |
| 41 // WebContentsObserver overrides | |
| 42 virtual void RenderFrameCreated(RenderFrameHost* render_frame_host) OVERRIDE; | |
| 43 virtual void RenderFrameDeleted(RenderFrameHost* render_frame_host) OVERRIDE; | |
| 44 virtual void DocumentAvailableInMainFrame() OVERRIDE; | |
| 45 virtual bool OnMessageReceived(const IPC::Message& message, | |
| 46 RenderFrameHost* render_frame_host) OVERRIDE; | |
| 47 | |
| 48 void JavaBoundObjectCreated(const base::android::JavaRef<jobject>& object); | |
| 49 void JavaBoundObjectDestroyed(const base::android::JavaRef<jobject>& object); | |
| 50 | |
| 51 bool GetAllowObjectContentsInspection() const { | |
| 52 return allow_object_contents_inspection_; | |
| 53 } | |
| 54 void SetAllowObjectContentsInspection(bool allow); | |
| 55 | |
| 56 private: | |
| 57 typedef std::map<RenderFrameHost*, scoped_refptr<JavaBridgeDispatcherHost> > | |
| 58 InstanceMap; | |
| 59 InstanceMap instances_; | |
| 60 typedef std::map<base::string16, NPObject*> ObjectMap; | |
| 61 ObjectMap objects_; | |
| 62 // Every time a JavaBoundObject backed by a real Java object is | |
| 63 // created/destroyed, we insert/remove a strong ref to that Java object into | |
| 64 // this set so that it doesn't get garbage collected while it's still | |
| 65 // potentially in use. Although the set is managed native side, it's owned | |
| 66 // and defined in Java so that pushing refs into it does not create new GC | |
| 67 // roots that would prevent ContentViewCore from being garbage collected. | |
| 68 JavaObjectWeakGlobalRef retained_object_set_; | |
| 69 bool allow_object_contents_inspection_; | |
| 70 | |
| 71 DISALLOW_COPY_AND_ASSIGN(JavaBridgeDispatcherHostManager); | |
| 72 }; | |
| 73 | |
| 74 } // namespace content | |
| 75 | |
| 76 #endif // CONTENT_BROWSER_RENDERER_HOST_JAVA_JAVA_BRIDGE_DISPATCHER_HOST_MANAGE
R_H_ | |
| OLD | NEW |