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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 #include "extensions/renderer/script_context.h" | 5 #include "extensions/renderer/script_context.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/memory/scoped_ptr.h" | 8 #include "base/memory/scoped_ptr.h" |
9 #include "base/strings/string_split.h" | 9 #include "base/strings/string_split.h" |
10 #include "base/strings/string_util.h" | 10 #include "base/strings/string_util.h" |
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62 } // namespace | 62 } // namespace |
63 | 63 |
64 // A gin::Runner that delegates to its ScriptContext. | 64 // A gin::Runner that delegates to its ScriptContext. |
65 class ScriptContext::Runner : public gin::Runner { | 65 class ScriptContext::Runner : public gin::Runner { |
66 public: | 66 public: |
67 explicit Runner(ScriptContext* context); | 67 explicit Runner(ScriptContext* context); |
68 | 68 |
69 // gin::Runner overrides. | 69 // gin::Runner overrides. |
70 void Run(const std::string& source, | 70 void Run(const std::string& source, |
71 const std::string& resource_name) override; | 71 const std::string& resource_name) override; |
72 v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function, | 72 v8::Local<v8::Value> Call(v8::Local<v8::Function> function, |
73 v8::Handle<v8::Value> receiver, | 73 v8::Local<v8::Value> receiver, |
74 int argc, | 74 int argc, |
75 v8::Handle<v8::Value> argv[]) override; | 75 v8::Local<v8::Value> argv[]) override; |
76 gin::ContextHolder* GetContextHolder() override; | 76 gin::ContextHolder* GetContextHolder() override; |
77 | 77 |
78 private: | 78 private: |
79 ScriptContext* context_; | 79 ScriptContext* context_; |
80 }; | 80 }; |
81 | 81 |
82 ScriptContext::ScriptContext(const v8::Handle<v8::Context>& v8_context, | 82 ScriptContext::ScriptContext(const v8::Local<v8::Context>& v8_context, |
83 blink::WebLocalFrame* web_frame, | 83 blink::WebLocalFrame* web_frame, |
84 const Extension* extension, | 84 const Extension* extension, |
85 Feature::Context context_type, | 85 Feature::Context context_type, |
86 const Extension* effective_extension, | 86 const Extension* effective_extension, |
87 Feature::Context effective_context_type) | 87 Feature::Context effective_context_type) |
88 : is_valid_(true), | 88 : is_valid_(true), |
89 v8_context_(v8_context->GetIsolate(), v8_context), | 89 v8_context_(v8_context->GetIsolate(), v8_context), |
90 web_frame_(web_frame), | 90 web_frame_(web_frame), |
91 extension_(extension), | 91 extension_(extension), |
92 context_type_(context_type), | 92 context_type_(context_type), |
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169 return NULL; | 169 return NULL; |
170 } | 170 } |
171 | 171 |
172 content::RenderFrame* ScriptContext::GetRenderFrame() const { | 172 content::RenderFrame* ScriptContext::GetRenderFrame() const { |
173 if (web_frame_) | 173 if (web_frame_) |
174 return content::RenderFrame::FromWebFrame(web_frame_); | 174 return content::RenderFrame::FromWebFrame(web_frame_); |
175 return NULL; | 175 return NULL; |
176 } | 176 } |
177 | 177 |
178 v8::Local<v8::Value> ScriptContext::CallFunction( | 178 v8::Local<v8::Value> ScriptContext::CallFunction( |
179 v8::Handle<v8::Function> function, | 179 v8::Local<v8::Function> function, |
180 int argc, | 180 int argc, |
181 v8::Handle<v8::Value> argv[]) const { | 181 v8::Local<v8::Value> argv[]) const { |
182 v8::EscapableHandleScope handle_scope(isolate()); | 182 v8::EscapableHandleScope handle_scope(isolate()); |
183 v8::Context::Scope scope(v8_context()); | 183 v8::Context::Scope scope(v8_context()); |
184 | 184 |
185 blink::WebScopedMicrotaskSuppression suppression; | 185 blink::WebScopedMicrotaskSuppression suppression; |
186 if (!is_valid_) { | 186 if (!is_valid_) { |
187 return handle_scope.Escape( | 187 return handle_scope.Escape( |
188 v8::Local<v8::Primitive>(v8::Undefined(isolate()))); | 188 v8::Local<v8::Primitive>(v8::Undefined(isolate()))); |
189 } | 189 } |
190 | 190 |
191 v8::Handle<v8::Object> global = v8_context()->Global(); | 191 v8::Local<v8::Object> global = v8_context()->Global(); |
192 if (!web_frame_) | 192 if (!web_frame_) |
193 return handle_scope.Escape(function->Call(global, argc, argv)); | 193 return handle_scope.Escape(function->Call(global, argc, argv)); |
194 return handle_scope.Escape( | 194 return handle_scope.Escape( |
195 v8::Local<v8::Value>(web_frame_->callFunctionEvenIfScriptDisabled( | 195 v8::Local<v8::Value>(web_frame_->callFunctionEvenIfScriptDisabled( |
196 function, global, argc, argv))); | 196 function, global, argc, argv))); |
197 } | 197 } |
198 | 198 |
199 Feature::Availability ScriptContext::GetAvailability( | 199 Feature::Availability ScriptContext::GetAvailability( |
200 const std::string& api_name) { | 200 const std::string& api_name) { |
201 // Hack: Hosted apps should have the availability of messaging APIs based on | 201 // Hack: Hosted apps should have the availability of messaging APIs based on |
202 // the URL of the page (which might have access depending on some extension | 202 // the URL of the page (which might have access depending on some extension |
203 // with externally_connectable), not whether the app has access to messaging | 203 // with externally_connectable), not whether the app has access to messaging |
204 // (which it won't). | 204 // (which it won't). |
205 const Extension* extension = extension_.get(); | 205 const Extension* extension = extension_.get(); |
206 if (extension && extension->is_hosted_app() && | 206 if (extension && extension->is_hosted_app() && |
207 (api_name == "runtime.connect" || api_name == "runtime.sendMessage")) { | 207 (api_name == "runtime.connect" || api_name == "runtime.sendMessage")) { |
208 extension = NULL; | 208 extension = NULL; |
209 } | 209 } |
210 return ExtensionAPI::GetSharedInstance()->IsAvailable( | 210 return ExtensionAPI::GetSharedInstance()->IsAvailable( |
211 api_name, extension, context_type_, GetURL()); | 211 api_name, extension, context_type_, GetURL()); |
212 } | 212 } |
213 | 213 |
214 void ScriptContext::DispatchEvent(const char* event_name, | 214 void ScriptContext::DispatchEvent(const char* event_name, |
215 v8::Handle<v8::Array> args) const { | 215 v8::Local<v8::Array> args) const { |
216 v8::HandleScope handle_scope(isolate()); | 216 v8::HandleScope handle_scope(isolate()); |
217 v8::Context::Scope context_scope(v8_context()); | 217 v8::Context::Scope context_scope(v8_context()); |
218 | 218 |
219 v8::Handle<v8::Value> argv[] = { | 219 v8::Local<v8::Value> argv[] = {v8::String::NewFromUtf8(isolate(), event_name), |
220 v8::String::NewFromUtf8(isolate(), event_name), args}; | 220 args}; |
221 module_system_->CallModuleMethod( | 221 module_system_->CallModuleMethod( |
222 kEventBindings, "dispatchEvent", arraysize(argv), argv); | 222 kEventBindings, "dispatchEvent", arraysize(argv), argv); |
223 } | 223 } |
224 | 224 |
225 void ScriptContext::DispatchOnUnloadEvent() { | 225 void ScriptContext::DispatchOnUnloadEvent() { |
226 v8::HandleScope handle_scope(isolate()); | 226 v8::HandleScope handle_scope(isolate()); |
227 v8::Context::Scope context_scope(v8_context()); | 227 v8::Context::Scope context_scope(v8_context()); |
228 module_system_->CallModuleMethod("unload_event", "dispatch"); | 228 module_system_->CallModuleMethod("unload_event", "dispatch"); |
229 } | 229 } |
230 | 230 |
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293 ScriptContext* ScriptContext::GetContext() { return this; } | 293 ScriptContext* ScriptContext::GetContext() { return this; } |
294 | 294 |
295 void ScriptContext::OnResponseReceived(const std::string& name, | 295 void ScriptContext::OnResponseReceived(const std::string& name, |
296 int request_id, | 296 int request_id, |
297 bool success, | 297 bool success, |
298 const base::ListValue& response, | 298 const base::ListValue& response, |
299 const std::string& error) { | 299 const std::string& error) { |
300 v8::HandleScope handle_scope(isolate()); | 300 v8::HandleScope handle_scope(isolate()); |
301 | 301 |
302 scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create()); | 302 scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create()); |
303 v8::Handle<v8::Value> argv[] = { | 303 v8::Local<v8::Value> argv[] = { |
304 v8::Integer::New(isolate(), request_id), | 304 v8::Integer::New(isolate(), request_id), |
305 v8::String::NewFromUtf8(isolate(), name.c_str()), | 305 v8::String::NewFromUtf8(isolate(), name.c_str()), |
306 v8::Boolean::New(isolate(), success), | 306 v8::Boolean::New(isolate(), success), |
307 converter->ToV8Value(&response, | 307 converter->ToV8Value(&response, |
308 v8::Local<v8::Context>::New(isolate(), v8_context_)), | 308 v8::Local<v8::Context>::New(isolate(), v8_context_)), |
309 v8::String::NewFromUtf8(isolate(), error.c_str())}; | 309 v8::String::NewFromUtf8(isolate(), error.c_str())}; |
310 | 310 |
311 v8::Handle<v8::Value> retval = module_system()->CallModuleMethod( | 311 v8::Local<v8::Value> retval = module_system()->CallModuleMethod( |
312 "sendRequest", "handleResponse", arraysize(argv), argv); | 312 "sendRequest", "handleResponse", arraysize(argv), argv); |
313 | 313 |
314 // In debug, the js will validate the callback parameters and return a | 314 // In debug, the js will validate the callback parameters and return a |
315 // string if a validation error has occured. | 315 // string if a validation error has occured. |
316 DCHECK(retval.IsEmpty() || retval->IsUndefined()) | 316 DCHECK(retval.IsEmpty() || retval->IsUndefined()) |
317 << *v8::String::Utf8Value(retval); | 317 << *v8::String::Utf8Value(retval); |
318 } | 318 } |
319 | 319 |
320 void ScriptContext::SetContentCapabilities( | 320 void ScriptContext::SetContentCapabilities( |
321 const APIPermissionSet& permissions) { | 321 const APIPermissionSet& permissions) { |
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369 } | 369 } |
370 | 370 |
371 ScriptContext::Runner::Runner(ScriptContext* context) : context_(context) { | 371 ScriptContext::Runner::Runner(ScriptContext* context) : context_(context) { |
372 } | 372 } |
373 | 373 |
374 void ScriptContext::Runner::Run(const std::string& source, | 374 void ScriptContext::Runner::Run(const std::string& source, |
375 const std::string& resource_name) { | 375 const std::string& resource_name) { |
376 context_->module_system()->RunString(source, resource_name); | 376 context_->module_system()->RunString(source, resource_name); |
377 } | 377 } |
378 | 378 |
379 v8::Handle<v8::Value> ScriptContext::Runner::Call( | 379 v8::Local<v8::Value> ScriptContext::Runner::Call( |
380 v8::Handle<v8::Function> function, | 380 v8::Local<v8::Function> function, |
381 v8::Handle<v8::Value> receiver, | 381 v8::Local<v8::Value> receiver, |
382 int argc, | 382 int argc, |
383 v8::Handle<v8::Value> argv[]) { | 383 v8::Local<v8::Value> argv[]) { |
384 return context_->CallFunction(function, argc, argv); | 384 return context_->CallFunction(function, argc, argv); |
385 } | 385 } |
386 | 386 |
387 gin::ContextHolder* ScriptContext::Runner::GetContextHolder() { | 387 gin::ContextHolder* ScriptContext::Runner::GetContextHolder() { |
388 v8::HandleScope handle_scope(context_->isolate()); | 388 v8::HandleScope handle_scope(context_->isolate()); |
389 return gin::PerContextData::From(context_->v8_context())->context_holder(); | 389 return gin::PerContextData::From(context_->v8_context())->context_holder(); |
390 } | 390 } |
391 | 391 |
392 } // namespace extensions | 392 } // namespace extensions |
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