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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 CONTENT_RENDERER_PEPPER_V8_VAR_CONVERTER_H_ | 5 #ifndef CONTENT_RENDERER_PEPPER_V8_VAR_CONVERTER_H_ |
| 6 #define CONTENT_RENDERER_PEPPER_V8_VAR_CONVERTER_H_ | 6 #define CONTENT_RENDERER_PEPPER_V8_VAR_CONVERTER_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/callback.h" | 9 #include "base/callback.h" |
| 10 #include "base/compiler_specific.h" | 10 #include "base/compiler_specific.h" |
| (...skipping 18 matching lines...) Expand all Loading... |
| 29 }; | 29 }; |
| 30 V8VarConverter(PP_Instance instance, AllowObjectVars object_vars_allowed); | 30 V8VarConverter(PP_Instance instance, AllowObjectVars object_vars_allowed); |
| 31 | 31 |
| 32 // Constructor for testing. | 32 // Constructor for testing. |
| 33 V8VarConverter(PP_Instance instance, | 33 V8VarConverter(PP_Instance instance, |
| 34 scoped_ptr<ResourceConverter> resource_converter); | 34 scoped_ptr<ResourceConverter> resource_converter); |
| 35 ~V8VarConverter(); | 35 ~V8VarConverter(); |
| 36 | 36 |
| 37 // Converts the given PP_Var to a v8::Value. True is returned upon success. | 37 // Converts the given PP_Var to a v8::Value. True is returned upon success. |
| 38 bool ToV8Value(const PP_Var& var, | 38 bool ToV8Value(const PP_Var& var, |
| 39 v8::Handle<v8::Context> context, | 39 v8::Local<v8::Context> context, |
| 40 v8::Handle<v8::Value>* result); | 40 v8::Local<v8::Value>* result); |
| 41 | 41 |
| 42 struct VarResult { | 42 struct VarResult { |
| 43 public: | 43 public: |
| 44 VarResult() : completed_synchronously(false), success(false) {} | 44 VarResult() : completed_synchronously(false), success(false) {} |
| 45 | 45 |
| 46 // True if the conversion completed synchronously and the callback will not | 46 // True if the conversion completed synchronously and the callback will not |
| 47 // be called. | 47 // be called. |
| 48 bool completed_synchronously; | 48 bool completed_synchronously; |
| 49 | 49 |
| 50 // True if the conversion was successful. Only valid if | 50 // True if the conversion was successful. Only valid if |
| 51 // |completed_synchronously| is true. | 51 // |completed_synchronously| is true. |
| 52 bool success; | 52 bool success; |
| 53 | 53 |
| 54 // The result if the conversion was successful. Only valid if | 54 // The result if the conversion was successful. Only valid if |
| 55 // |completed_synchronously| and |success| are true. | 55 // |completed_synchronously| and |success| are true. |
| 56 ppapi::ScopedPPVar var; | 56 ppapi::ScopedPPVar var; |
| 57 }; | 57 }; |
| 58 | 58 |
| 59 // Converts the given v8::Value to a PP_Var. Every PP_Var in the reference | 59 // Converts the given v8::Value to a PP_Var. Every PP_Var in the reference |
| 60 // graph in the result will have a refcount equal to the number of references | 60 // graph in the result will have a refcount equal to the number of references |
| 61 // to it in the graph. The root of the result will have one additional | 61 // to it in the graph. The root of the result will have one additional |
| 62 // reference. The callback is run when conversion is complete with the | 62 // reference. The callback is run when conversion is complete with the |
| 63 // resulting var and a bool indicating success or failure. Conversion may be | 63 // resulting var and a bool indicating success or failure. Conversion may be |
| 64 // asynchronous because converting some resources may result in communication | 64 // asynchronous because converting some resources may result in communication |
| 65 // across IPC. |context| is guaranteed to only be used synchronously. If | 65 // across IPC. |context| is guaranteed to only be used synchronously. If |
| 66 // the conversion can occur synchronously, |callback| will not be run, | 66 // the conversion can occur synchronously, |callback| will not be run, |
| 67 // otherwise it will be run. | 67 // otherwise it will be run. |
| 68 VarResult FromV8Value( | 68 VarResult FromV8Value( |
| 69 v8::Handle<v8::Value> val, | 69 v8::Local<v8::Value> val, |
| 70 v8::Handle<v8::Context> context, | 70 v8::Local<v8::Context> context, |
| 71 const base::Callback<void(const ppapi::ScopedPPVar&, bool)>& callback); | 71 const base::Callback<void(const ppapi::ScopedPPVar&, bool)>& callback); |
| 72 bool FromV8ValueSync(v8::Handle<v8::Value> val, | 72 bool FromV8ValueSync(v8::Local<v8::Value> val, |
| 73 v8::Handle<v8::Context> context, | 73 v8::Local<v8::Context> context, |
| 74 ppapi::ScopedPPVar* result_var); | 74 ppapi::ScopedPPVar* result_var); |
| 75 private: | 75 private: |
| 76 // Returns true on success, false on failure. | 76 // Returns true on success, false on failure. |
| 77 bool FromV8ValueInternal(v8::Handle<v8::Value> val, | 77 bool FromV8ValueInternal(v8::Local<v8::Value> val, |
| 78 v8::Handle<v8::Context> context, | 78 v8::Local<v8::Context> context, |
| 79 ppapi::ScopedPPVar* result_var); | 79 ppapi::ScopedPPVar* result_var); |
| 80 | 80 |
| 81 PP_Instance instance_; | 81 PP_Instance instance_; |
| 82 | 82 |
| 83 // Whether or not to support conversion to PP_VARTYPE_OBJECT. | 83 // Whether or not to support conversion to PP_VARTYPE_OBJECT. |
| 84 AllowObjectVars object_vars_allowed_; | 84 AllowObjectVars object_vars_allowed_; |
| 85 | 85 |
| 86 // The converter to use for converting V8 vars to resources. | 86 // The converter to use for converting V8 vars to resources. |
| 87 scoped_ptr<ResourceConverter> resource_converter_; | 87 scoped_ptr<ResourceConverter> resource_converter_; |
| 88 | 88 |
| 89 DISALLOW_COPY_AND_ASSIGN(V8VarConverter); | 89 DISALLOW_COPY_AND_ASSIGN(V8VarConverter); |
| 90 }; | 90 }; |
| 91 | 91 |
| 92 } // namespace content | 92 } // namespace content |
| 93 | 93 |
| 94 #endif // CONTENT_RENDERER_PEPPER_V8_VAR_CONVERTER_H_ | 94 #endif // CONTENT_RENDERER_PEPPER_V8_VAR_CONVERTER_H_ |
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