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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "chrome/renderer/extensions/event_bindings.h" | 5 #include "chrome/renderer/extensions/event_bindings.h" |
6 | 6 |
7 #include "base/basictypes.h" | 7 #include "base/basictypes.h" |
8 #include "base/lazy_instance.h" | 8 #include "base/lazy_instance.h" |
9 #include "chrome/common/extensions/extension_messages.h" | 9 #include "chrome/common/extensions/extension_messages.h" |
10 #include "chrome/common/extensions/extension_set.h" | 10 #include "chrome/common/extensions/extension_set.h" |
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77 0, NULL) { | 77 0, NULL) { |
78 } | 78 } |
79 ~ExtensionImpl() {} | 79 ~ExtensionImpl() {} |
80 | 80 |
81 virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction( | 81 virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction( |
82 v8::Handle<v8::String> name) { | 82 v8::Handle<v8::String> name) { |
83 if (name->Equals(v8::String::New("AttachEvent"))) { | 83 if (name->Equals(v8::String::New("AttachEvent"))) { |
84 return v8::FunctionTemplate::New(AttachEvent); | 84 return v8::FunctionTemplate::New(AttachEvent); |
85 } else if (name->Equals(v8::String::New("DetachEvent"))) { | 85 } else if (name->Equals(v8::String::New("DetachEvent"))) { |
86 return v8::FunctionTemplate::New(DetachEvent); | 86 return v8::FunctionTemplate::New(DetachEvent); |
| 87 } else if (name->Equals(v8::String::New("GetLocalFileEntry"))) { |
| 88 return v8::FunctionTemplate::New(GetLocalFileEntry); |
87 } | 89 } |
88 return ExtensionBase::GetNativeFunction(name); | 90 return ExtensionBase::GetNativeFunction(name); |
89 } | 91 } |
90 | 92 |
91 // Attach an event name to an object. | 93 // Attach an event name to an object. |
92 static v8::Handle<v8::Value> AttachEvent(const v8::Arguments& args) { | 94 static v8::Handle<v8::Value> AttachEvent(const v8::Arguments& args) { |
93 DCHECK(args.Length() == 1); | 95 DCHECK(args.Length() == 1); |
94 // TODO(erikkay) should enforce that event name is a string in the bindings | 96 // TODO(erikkay) should enforce that event name is a string in the bindings |
95 DCHECK(args[0]->IsString() || args[0]->IsUndefined()); | 97 DCHECK(args[0]->IsString() || args[0]->IsUndefined()); |
96 | 98 |
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140 event_name)); | 142 event_name)); |
141 } | 143 } |
142 | 144 |
143 if (--context_info->num_connected_events == 0) { | 145 if (--context_info->num_connected_events == 0) { |
144 context_info->context.MakeWeak(NULL, &ContextWeakReferenceCallback); | 146 context_info->context.MakeWeak(NULL, &ContextWeakReferenceCallback); |
145 } | 147 } |
146 } | 148 } |
147 | 149 |
148 return v8::Undefined(); | 150 return v8::Undefined(); |
149 } | 151 } |
| 152 |
| 153 // Attach an event name to an object. |
| 154 static v8::Handle<v8::Value> GetLocalFileEntry( |
| 155 const v8::Arguments& args) { |
| 156 // TODO(zelidrag): Make this magic work on other platforms when file browser |
| 157 // matures enough on ChromeOS. |
| 158 #if defined(OS_CHROMEOS) |
| 159 DCHECK(args.Length() == 1); |
| 160 DCHECK(args[0]->IsObject()); |
| 161 v8::Local<v8::Object> file_def = args[0]->ToObject(); |
| 162 std::string file_system_name( |
| 163 *v8::String::Utf8Value(file_def->Get( |
| 164 v8::String::New("fileSystemName")))); |
| 165 std::string file_system_path( |
| 166 *v8::String::Utf8Value(file_def->Get( |
| 167 v8::String::New("fileSystemRoot")))); |
| 168 std::string file_full_path( |
| 169 *v8::String::Utf8Value(file_def->Get( |
| 170 v8::String::New("fileFullPath")))); |
| 171 bool is_directory = |
| 172 file_def->Get(v8::String::New("fileIsDirectory"))->ToBoolean()->Value(); |
| 173 WebFrame* webframe = WebFrame::frameForCurrentContext(); |
| 174 return webframe->createFileEntry( |
| 175 fileapi::kFileSystemTypeLocal, |
| 176 WebKit::WebString::fromUTF8(file_system_name.c_str()), |
| 177 WebKit::WebString::fromUTF8(file_system_path.c_str()), |
| 178 WebKit::WebString::fromUTF8(file_full_path.c_str()), |
| 179 is_directory); |
| 180 #else |
| 181 return v8::Undefined(); |
| 182 #endif |
| 183 } |
150 }; | 184 }; |
151 | 185 |
152 // Returns true if the extension running in the given |context| has sufficient | 186 // Returns true if the extension running in the given |context| has sufficient |
153 // permissions to access the data. | 187 // permissions to access the data. |
154 static bool HasSufficientPermissions(ContextInfo* context, | 188 static bool HasSufficientPermissions(ContextInfo* context, |
155 const GURL& event_url) { | 189 const GURL& event_url) { |
156 v8::Context::Scope context_scope(context->context); | 190 v8::Context::Scope context_scope(context->context); |
157 | 191 |
158 // During unit tests, we might be invoked without a v8 context. In these | 192 // During unit tests, we might be invoked without a v8 context. In these |
159 // cases, we only allow empty event_urls and short-circuit before retrieving | 193 // cases, we only allow empty event_urls and short-circuit before retrieving |
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373 // TODO(rafaelw): Consider only doing this check if function_name == | 407 // TODO(rafaelw): Consider only doing this check if function_name == |
374 // "Event.dispatchJSON". | 408 // "Event.dispatchJSON". |
375 #ifndef NDEBUG | 409 #ifndef NDEBUG |
376 if (!retval.IsEmpty() && !retval->IsUndefined()) { | 410 if (!retval.IsEmpty() && !retval->IsUndefined()) { |
377 std::string error = *v8::String::AsciiValue(retval); | 411 std::string error = *v8::String::AsciiValue(retval); |
378 DCHECK(false) << error; | 412 DCHECK(false) << error; |
379 } | 413 } |
380 #endif | 414 #endif |
381 } | 415 } |
382 } | 416 } |
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