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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 CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_ | 5 #ifndef EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_ |
| 6 #define CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_ | 6 #define EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_ |
| 7 | 7 |
| 8 #include <set> | 8 #include <set> |
| 9 #include <string> | 9 #include <string> |
| 10 | 10 |
| 11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
| 12 #include "base/bind.h" | 12 #include "base/bind.h" |
| 13 #include "v8/include/v8.h" | 13 #include "v8/include/v8.h" |
| 14 | 14 |
| 15 class GURL; | 15 class GURL; |
| 16 | 16 |
| 17 namespace base { | 17 namespace base { |
| 18 class ListValue; | 18 class ListValue; |
| 19 } | 19 } |
| 20 | 20 |
| 21 namespace content { | 21 namespace content { |
| 22 class RenderView; | 22 class RenderView; |
| 23 } | 23 } |
| 24 | 24 |
| 25 namespace v8 { | 25 namespace v8 { |
| 26 class Context; | 26 class Context; |
| 27 } | 27 } |
| 28 | 28 |
| 29 namespace extensions { | 29 namespace extensions { |
| 30 class ChromeV8Context; | 30 class ScriptContext; |
| 31 | 31 |
| 32 // A container of ExtensionBindingsContext. Since calling JavaScript within a | 32 // A container of ExtensionBindingsContext. Since calling JavaScript within a |
| 33 // context can cause any number of contexts to be created or destroyed, this | 33 // context can cause any number of contexts to be created or destroyed, this |
| 34 // has additional smarts to help with the set changing underneath callers. | 34 // has additional smarts to help with the set changing underneath callers. |
| 35 class ChromeV8ContextSet { | 35 class ScriptContextSet { |
| 36 public: | 36 public: |
| 37 ChromeV8ContextSet(); | 37 ScriptContextSet(); |
| 38 ~ChromeV8ContextSet(); | 38 ~ScriptContextSet(); |
| 39 | 39 |
| 40 int size() const; | 40 int size() const; |
| 41 | 41 |
| 42 // Takes ownership of |context|. | 42 // Takes ownership of |context|. |
| 43 void Add(ChromeV8Context* context); | 43 void Add(ScriptContext* context); |
| 44 | 44 |
| 45 // If the specified context is contained in this set, remove it, then delete | 45 // If the specified context is contained in this set, remove it, then delete |
| 46 // it asynchronously. After this call returns the context object will still | 46 // it asynchronously. After this call returns the context object will still |
| 47 // be valid, but its frame() pointer will be cleared. | 47 // be valid, but its frame() pointer will be cleared. |
| 48 void Remove(ChromeV8Context* context); | 48 void Remove(ScriptContext* context); |
| 49 | 49 |
| 50 // Returns a copy to protect against changes. | 50 // Returns a copy to protect against changes. |
| 51 typedef std::set<ChromeV8Context*> ContextSet; | 51 typedef std::set<ScriptContext*> ContextSet; |
| 52 ContextSet GetAll() const; | 52 ContextSet GetAll() const; |
| 53 | 53 |
| 54 // Gets the ChromeV8Context corresponding to v8::Context::GetCurrent(), or | 54 // Gets the ScriptContext corresponding to v8::Context::GetCurrent(), or |
| 55 // NULL if no such context exists. | 55 // NULL if no such context exists. |
| 56 ChromeV8Context* GetCurrent() const; | 56 ScriptContext* GetCurrent() const; |
| 57 | 57 |
| 58 // Gets the ChromeV8Context corresponding to v8::Context::GetCalling(), or | 58 // Gets the ScriptContext corresponding to v8::Context::GetCalling(), or |
| 59 // NULL if no such context exists. | 59 // NULL if no such context exists. |
| 60 ChromeV8Context* GetCalling() const; | 60 ScriptContext* GetCalling() const; |
| 61 | 61 |
| 62 // Gets the ChromeV8Context corresponding to the specified | 62 // Gets the ScriptContext corresponding to the specified |
| 63 // v8::Context or NULL if no such context exists. | 63 // v8::Context or NULL if no such context exists. |
| 64 ChromeV8Context* GetByV8Context(v8::Handle<v8::Context> context) const; | 64 ScriptContext* GetByV8Context(v8::Handle<v8::Context> context) const; |
| 65 | 65 |
| 66 // Synchronously runs |callback| with each ChromeV8Context that belongs to | 66 // Synchronously runs |callback| with each ScriptContext that belongs to |
| 67 // |extension_id| in |render_view|. | 67 // |extension_id| in |render_view|. |
| 68 // | 68 // |
| 69 // |extension_id| may be "" to match all extensions. | 69 // |extension_id| may be "" to match all extensions. |
| 70 // |render_view| may be NULL to match all render views. | 70 // |render_view| may be NULL to match all render views. |
| 71 void ForEach(const std::string& extension_id, | 71 void ForEach(const std::string& extension_id, |
| 72 content::RenderView* render_view, | 72 content::RenderView* render_view, |
| 73 const base::Callback<void(ChromeV8Context*)>& callback) const; | 73 const base::Callback<void(ScriptContext*)>& callback) const; |
| 74 | 74 |
| 75 // Cleans up contexts belonging to an unloaded extension. | 75 // Cleans up contexts belonging to an unloaded extension. |
| 76 // | 76 // |
| 77 // Returns the set of ChromeV8Contexts that were removed as a result. These | 77 // Returns the set of ScriptContexts that were removed as a result. These |
| 78 // are safe to interact with until the end of the current event loop, since | 78 // are safe to interact with until the end of the current event loop, since |
| 79 // they're deleted asynchronously. | 79 // they're deleted asynchronously. |
| 80 ContextSet OnExtensionUnloaded(const std::string& extension_id); | 80 ContextSet OnExtensionUnloaded(const std::string& extension_id); |
| 81 | 81 |
| 82 private: | 82 private: |
| 83 ContextSet contexts_; | 83 ContextSet contexts_; |
| 84 | 84 |
| 85 DISALLOW_COPY_AND_ASSIGN(ChromeV8ContextSet); | 85 DISALLOW_COPY_AND_ASSIGN(ScriptContextSet); |
| 86 }; | 86 }; |
| 87 | 87 |
| 88 } // namespace extensions | 88 } // namespace extensions |
| 89 | 89 |
| 90 #endif // CHROME_RENDERER_EXTENSIONS_CHROME_V8_CONTEXT_SET_H_ | 90 #endif // EXTENSIONS_RENDERER_SCRIPT_CONTEXT_SET_H_ |
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