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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "extensions/renderer/api_binding_bridge.h" | |
| 6 | |
| 7 #include "base/values.h" | |
| 8 #include "extensions/renderer/api_binding_hooks.h" | |
| 9 #include "gin/converter.h" | |
| 10 #include "gin/object_template_builder.h" | |
| 11 | |
| 12 namespace extensions { | |
| 13 | |
| 14 namespace { | |
| 15 | |
| 16 const char kApiObjectKey[] = "extensions::bridge::api_object"; | |
| 17 const char kHookInterfaceKey[] = "extensions::bridge::hook_object"; | |
| 18 | |
| 19 v8::Local<v8::Private> GetPrivatePropertyName(v8::Isolate* isolate, | |
| 20 const char* key) { | |
| 21 return v8::Private::ForApi(isolate, gin::StringToSymbol(isolate, key)); | |
| 22 } | |
| 23 | |
| 24 } // namespace | |
| 25 | |
| 26 gin::WrapperInfo APIBindingBridge::kWrapperInfo = {gin::kEmbedderNativeGin}; | |
| 27 | |
| 28 APIBindingBridge::APIBindingBridge(APIBindingHooks* hooks, | |
| 29 v8::Local<v8::Context> context, | |
| 30 v8::Local<v8::Value> api_object, | |
| 31 const std::string& extension_id, | |
| 32 const std::string& context_type, | |
| 33 const binding::RunJSFunction& run_js) | |
| 34 : extension_id_(extension_id), | |
| 35 context_type_(context_type), | |
| 36 run_js_(run_js) { | |
| 37 v8::Isolate* isolate = context->GetIsolate(); | |
| 38 v8::Local<v8::Object> wrapper = GetWrapper(isolate).ToLocalChecked(); | |
| 39 v8::Maybe<bool> result = wrapper->SetPrivate( | |
| 40 context, GetPrivatePropertyName(isolate, kApiObjectKey), api_object); | |
| 41 if (!result.IsJust() || !result.FromJust()) { | |
| 42 NOTREACHED(); | |
| 43 return; | |
| 44 } | |
| 45 v8::Local<v8::Object> js_hook_interface = hooks->GetJSHookInterface(context); | |
| 46 result = wrapper->SetPrivate(context, | |
| 47 GetPrivatePropertyName(isolate, | |
| 48 kHookInterfaceKey), | |
| 49 js_hook_interface); | |
| 50 DCHECK(result.IsJust() && result.FromJust()); | |
| 51 } | |
| 52 | |
| 53 APIBindingBridge::~APIBindingBridge() {} | |
| 54 | |
| 55 gin::ObjectTemplateBuilder APIBindingBridge::GetObjectTemplateBuilder( | |
| 56 v8::Isolate* isolate) { | |
| 57 return Wrappable<APIBindingBridge>::GetObjectTemplateBuilder(isolate) | |
| 58 .SetMethod("registerCustomHook", &APIBindingBridge::RegisterCustomHook); | |
| 59 } | |
| 60 | |
| 61 void APIBindingBridge::RegisterCustomHook(v8::Isolate* isolate, | |
| 62 v8::Local<v8::Function> function) { | |
| 63 // The object and arguments here are meant to match those passed to the hook | |
| 64 // functions in binding.js. | |
| 65 v8::Local<v8::Context> context = isolate->GetCurrentContext(); | |
| 66 v8::Local<v8::Object> hook_object = v8::Object::New(isolate); | |
| 67 v8::Local<v8::Object> wrapper; | |
| 68 if (!GetWrapper(isolate).ToLocal(&wrapper)) | |
| 69 return; | |
| 70 | |
| 71 v8::Local<v8::Value> hook_interface = | |
| 72 wrapper->GetPrivate( | |
| 73 context, GetPrivatePropertyName(isolate, kHookInterfaceKey)) | |
| 74 .ToLocalChecked(); | |
| 75 v8::Maybe<bool> result = hook_object->CreateDataProperty( | |
| 76 context, gin::StringToSymbol(isolate, "apiFunctions"), hook_interface); | |
| 77 if (!result.IsJust() || !result.FromJust()) | |
| 78 return; | |
| 79 | |
| 80 v8::Local<v8::Value> api_object = | |
| 81 wrapper | |
| 82 ->GetPrivate(context, GetPrivatePropertyName(isolate, kApiObjectKey)) | |
| 83 .ToLocalChecked(); | |
| 84 result = hook_object->CreateDataProperty( | |
| 85 context, gin::StringToSymbol(isolate, "compiledApi"), api_object); | |
| 86 if (!result.IsJust() || !result.FromJust()) | |
| 87 return; | |
| 88 | |
| 89 // TODO(devlin): The binding.js version of these hooks also has a 'schema' | |
| 90 // property. I wonder if we can factor that out? If not, we'll need to add it | |
| 91 // here. | |
| 92 | |
| 93 result = hook_object->SetPrototype(context, v8::Null(isolate)); | |
| 94 if (!result.IsJust() || !result.FromJust()) | |
| 95 return; | |
| 96 | |
| 97 v8::Local<v8::String> extension_id = | |
| 98 gin::StringToSymbol(isolate, extension_id_); | |
| 99 v8::Local<v8::String> context_type = | |
| 100 gin::StringToSymbol(isolate, context_type_); | |
| 101 v8::Local<v8::Value> args[] = {hook_object, extension_id, context_type}; | |
| 102 run_js_.Run(function, context, arraysize(args), args); | |
| 103 } | |
| 104 | |
| 105 } // namespace extensions | |
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Chromium Code Reviews
Issue 2947463002:
[Extensions Bindings] Add a bindings/ subdirectory under renderer (Closed)
