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1 /* | 1 /* |
2 * This file is part of Adblock Plus <https://adblockplus.org/>, | 2 * This file is part of Adblock Plus <https://adblockplus.org/>, |
3 * Copyright (C) 2006-2015 Eyeo GmbH | 3 * Copyright (C) 2006-2016 Eyeo GmbH |
4 * | 4 * |
5 * Adblock Plus is free software: you can redistribute it and/or modify | 5 * Adblock Plus is free software: you can redistribute it and/or modify |
6 * it under the terms of the GNU General Public License version 3 as | 6 * it under the terms of the GNU General Public License version 3 as |
7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
8 * | 8 * |
9 * Adblock Plus is distributed in the hope that it will be useful, | 9 * Adblock Plus is distributed in the hope that it will be useful, |
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
12 * GNU General Public License for more details. | 12 * GNU General Public License for more details. |
13 * | 13 * |
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58 public: | 58 public: |
59 static void Init() | 59 static void Init() |
60 { | 60 { |
61 // it's threadsafe since C++11 and it will be instantiated only once and | 61 // it's threadsafe since C++11 and it will be instantiated only once and |
62 // destroyed at the application exit | 62 // destroyed at the application exit |
63 static V8Initializer initializer; | 63 static V8Initializer initializer; |
64 } | 64 } |
65 }; | 65 }; |
66 } | 66 } |
67 | 67 |
68 AdblockPlus::ScopedV8Isolate::ScopedV8Isolate() | |
69 : isolate(v8::Isolate::New()) | |
70 { | |
71 } | |
72 | |
73 AdblockPlus::ScopedV8Isolate::~ScopedV8Isolate() | |
74 { | |
75 isolate->Dispose(); | |
76 isolate = nullptr; | |
77 } | |
78 | |
79 AdblockPlus::JsEngine::JsEngine() | 68 AdblockPlus::JsEngine::JsEngine() |
| 69 : isolate(v8::Isolate::GetCurrent()) |
80 { | 70 { |
81 } | 71 } |
82 | 72 |
83 AdblockPlus::JsEnginePtr AdblockPlus::JsEngine::New(const AppInfo& appInfo) | 73 AdblockPlus::JsEnginePtr AdblockPlus::JsEngine::New(const AppInfo& appInfo) |
84 { | 74 { |
85 V8Initializer::Init(); | 75 V8Initializer::Init(); |
86 JsEnginePtr result(new JsEngine()); | 76 JsEnginePtr result(new JsEngine()); |
87 | 77 |
88 const v8::Locker locker(result->isolate); | 78 const v8::Locker locker(result->isolate); |
89 const v8::Isolate::Scope isolateScope(result->isolate); | 79 const v8::HandleScope handleScope; |
90 const v8::HandleScope handleScope(result->isolate); | |
91 | 80 |
92 result->context.reset(new v8::Persistent<v8::Context>(result->isolate, | 81 result->context.reset(new v8::Persistent<v8::Context>(result->isolate, |
93 v8::Context::New(result->isolate))); | 82 v8::Context::New(result->isolate))); |
94 v8::Local<v8::Object> globalContext = v8::Local<v8::Context>::New( | 83 v8::Local<v8::Object> globalContext = v8::Local<v8::Context>::New( |
95 result->isolate, *result->context)->Global(); | 84 result->isolate, *result->context)->Global(); |
96 AdblockPlus::GlobalJsObject::Setup(result, appInfo, | 85 result->globalJsObject = JsValuePtr(new JsValue(result, globalContext)); |
97 JsValuePtr(new JsValue(result, globalContext))); | 86 AdblockPlus::GlobalJsObject::Setup(result, appInfo, result->globalJsObject); |
98 return result; | 87 return result; |
99 } | 88 } |
100 | 89 |
101 AdblockPlus::JsValuePtr AdblockPlus::JsEngine::Evaluate(const std::string& sourc
e, | 90 AdblockPlus::JsValuePtr AdblockPlus::JsEngine::Evaluate(const std::string& sourc
e, |
102 const std::string& filename) | 91 const std::string& filename) |
103 { | 92 { |
104 const JsContext context(shared_from_this()); | 93 const JsContext context(shared_from_this()); |
105 const v8::TryCatch tryCatch; | 94 const v8::TryCatch tryCatch; |
106 const v8::Handle<v8::Script> script = CompileScript(isolate, source, | 95 const v8::Handle<v8::Script> script = CompileScript(isolate, source, |
107 filename); | 96 filename); |
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160 return JsValuePtr(new JsValue(shared_from_this(), v8::Object::New())); | 149 return JsValuePtr(new JsValue(shared_from_this(), v8::Object::New())); |
161 } | 150 } |
162 | 151 |
163 AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewCallback( | 152 AdblockPlus::JsValuePtr AdblockPlus::JsEngine::NewCallback( |
164 v8::InvocationCallback callback) | 153 v8::InvocationCallback callback) |
165 { | 154 { |
166 const JsContext context(shared_from_this()); | 155 const JsContext context(shared_from_this()); |
167 | 156 |
168 // Note: we are leaking this weak pointer, no obvious way to destroy it when | 157 // Note: we are leaking this weak pointer, no obvious way to destroy it when |
169 // it's no longer used | 158 // it's no longer used |
170 std::tr1::weak_ptr<JsEngine>* data = | 159 std::weak_ptr<JsEngine>* data = |
171 new std::tr1::weak_ptr<JsEngine>(shared_from_this()); | 160 new std::weak_ptr<JsEngine>(shared_from_this()); |
172 v8::Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(callback, | 161 v8::Local<v8::FunctionTemplate> templ = v8::FunctionTemplate::New(callback, |
173 v8::External::New(data)); | 162 v8::External::New(data)); |
174 return JsValuePtr(new JsValue(shared_from_this(), templ->GetFunction())); | 163 return JsValuePtr(new JsValue(shared_from_this(), templ->GetFunction())); |
175 } | 164 } |
176 | 165 |
177 AdblockPlus::JsEnginePtr AdblockPlus::JsEngine::FromArguments(const v8::Argument
s& arguments) | 166 AdblockPlus::JsEnginePtr AdblockPlus::JsEngine::FromArguments(const v8::Argument
s& arguments) |
178 { | 167 { |
179 const v8::Local<const v8::External> external = | 168 const v8::Local<const v8::External> external = |
180 v8::Local<const v8::External>::Cast(arguments.Data()); | 169 v8::Local<const v8::External>::Cast(arguments.Data()); |
181 std::tr1::weak_ptr<JsEngine>* data = | 170 std::weak_ptr<JsEngine>* data = |
182 static_cast<std::tr1::weak_ptr<JsEngine>*>(external->Value()); | 171 static_cast<std::weak_ptr<JsEngine>*>(external->Value()); |
183 JsEnginePtr result = data->lock(); | 172 JsEnginePtr result = data->lock(); |
184 if (!result) | 173 if (!result) |
185 throw std::runtime_error("Oops, our JsEngine is gone, how did that happen?")
; | 174 throw std::runtime_error("Oops, our JsEngine is gone, how did that happen?")
; |
186 return result; | 175 return result; |
187 } | 176 } |
188 | 177 |
189 AdblockPlus::JsValueList AdblockPlus::JsEngine::ConvertArguments(const v8::Argum
ents& arguments) | 178 AdblockPlus::JsValueList AdblockPlus::JsEngine::ConvertArguments(const v8::Argum
ents& arguments) |
190 { | 179 { |
191 const JsContext context(shared_from_this()); | 180 const JsContext context(shared_from_this()); |
192 JsValueList list; | 181 JsValueList list; |
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232 return logSystem; | 221 return logSystem; |
233 } | 222 } |
234 | 223 |
235 void AdblockPlus::JsEngine::SetLogSystem(AdblockPlus::LogSystemPtr val) | 224 void AdblockPlus::JsEngine::SetLogSystem(AdblockPlus::LogSystemPtr val) |
236 { | 225 { |
237 if (!val) | 226 if (!val) |
238 throw std::runtime_error("LogSystem cannot be null"); | 227 throw std::runtime_error("LogSystem cannot be null"); |
239 | 228 |
240 logSystem = val; | 229 logSystem = val; |
241 } | 230 } |
| 231 |
| 232 |
| 233 void AdblockPlus::JsEngine::SetGlobalProperty(const std::string& name, |
| 234 AdblockPlus::JsValuePtr value) |
| 235 { |
| 236 if (!globalJsObject) |
| 237 throw std::runtime_error("Global object cannot be null"); |
| 238 |
| 239 globalJsObject->SetProperty(name, value); |
| 240 } |
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