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| 1 // Copyright (c) 2012 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 "chrome/renderer/external_extension.h" | |
| 6 | |
| 7 #include <stdint.h> | |
| 8 | |
| 9 #include "base/macros.h" | |
| 10 #include "chrome/common/search_provider.mojom.h" | |
| 11 #include "content/public/renderer/render_thread.h" | |
| 12 #include "services/shell/public/cpp/interface_provider.h" | |
| 13 #include "third_party/WebKit/public/web/WebDocument.h" | |
| 14 #include "third_party/WebKit/public/web/WebLocalFrame.h" | |
| 15 #include "v8/include/v8.h" | |
| 16 | |
| 17 using blink::WebLocalFrame; | |
| 18 using blink::WebView; | |
| 19 | |
| 20 namespace extensions_v8 { | |
| 21 | |
| 22 namespace { | |
| 23 | |
| 24 const char* const kSearchProviderApi = | |
| 25 "var external;" | |
| 26 "if (!external)" | |
| 27 " external = {};" | |
| 28 "external.IsSearchProviderInstalled = function(name) {" | |
| 29 " native function NativeIsSearchProviderInstalled();" | |
| 30 " return NativeIsSearchProviderInstalled(name);" | |
| 31 "};"; | |
| 32 | |
| 33 const char kExternalExtensionName[] = "v8/External"; | |
| 34 | |
| 35 } // namespace | |
| 36 | |
| 37 class ExternalExtensionWrapper : public v8::Extension { | |
| 38 public: | |
| 39 ExternalExtensionWrapper(); | |
| 40 | |
| 41 // Allows v8's javascript code to call the native functions defined | |
| 42 // in this class for window.external. | |
| 43 v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate( | |
| 44 v8::Isolate* isolate, | |
| 45 v8::Local<v8::String> name) override; | |
| 46 | |
| 47 // Implementation of window.external.IsSearchProviderInstalled. | |
| 48 static void IsSearchProviderInstalled( | |
| 49 const v8::FunctionCallbackInfo<v8::Value>& args); | |
| 50 | |
| 51 private: | |
| 52 DISALLOW_COPY_AND_ASSIGN(ExternalExtensionWrapper); | |
| 53 }; | |
| 54 | |
| 55 ExternalExtensionWrapper::ExternalExtensionWrapper() | |
| 56 : v8::Extension(kExternalExtensionName, kSearchProviderApi) { | |
| 57 } | |
| 58 | |
| 59 v8::Local<v8::FunctionTemplate> | |
| 60 ExternalExtensionWrapper::GetNativeFunctionTemplate( | |
| 61 v8::Isolate* isolate, | |
| 62 v8::Local<v8::String> name) { | |
| 63 if (name->Equals(v8::String::NewFromUtf8( | |
| 64 isolate, "NativeIsSearchProviderInstalled"))) { | |
| 65 return v8::FunctionTemplate::New(isolate, IsSearchProviderInstalled); | |
| 66 } | |
| 67 | |
| 68 return v8::Local<v8::FunctionTemplate>(); | |
| 69 } | |
| 70 | |
| 71 // static | |
| 72 void ExternalExtensionWrapper::IsSearchProviderInstalled( | |
| 73 const v8::FunctionCallbackInfo<v8::Value>& args) { | |
| 74 if (!args.Length() || !args[0]->IsString()) | |
| 75 return; | |
| 76 | |
| 77 v8::String::Utf8Value utf8name(args[0]); | |
| 78 if (!utf8name.length()) | |
| 79 return; | |
| 80 | |
| 81 std::string name(*utf8name); | |
| 82 | |
| 83 WebLocalFrame* webframe = WebLocalFrame::frameForCurrentContext(); | |
| 84 if (!webframe) | |
| 85 return; | |
| 86 | |
| 87 chrome::mojom::InstallState install = chrome::mojom::InstallState::DENIED; | |
| 88 GURL inquiry_url = GURL(webframe->document().url()).Resolve(name); | |
| 89 if (!inquiry_url.is_empty()) { | |
| 90 webframe->didCallIsSearchProviderInstalled(); | |
| 91 chrome::mojom::SearchProviderInstallStatePtr search_provider_service; | |
| 92 content::RenderThread::Get()->GetRemoteInterfaces()->GetInterface( | |
| 93 mojo::GetProxy(&search_provider_service)); | |
| 94 if (!search_provider_service->GetInstallState(webframe->document().url(), | |
| 95 inquiry_url, &install)) { | |
| 96 DLOG(ERROR) << "Can't fetch search provider install state"; | |
| 97 } | |
| 98 } | |
| 99 | |
| 100 if (install == chrome::mojom::InstallState::DENIED) { | |
| 101 // FIXME: throw access denied exception. | |
| 102 v8::Isolate* isolate = args.GetIsolate(); | |
| 103 isolate->ThrowException(v8::Exception::Error(v8::String::Empty(isolate))); | |
| 104 return; | |
| 105 } | |
| 106 args.GetReturnValue().Set(static_cast<int32_t>(install)); | |
| 107 } | |
| 108 | |
| 109 v8::Extension* ExternalExtension::Get() { | |
| 110 return new ExternalExtensionWrapper(); | |
| 111 } | |
| 112 | |
| 113 } // namespace extensions_v8 | |
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Chromium Code Reviews
Issue 2177123003:
Move SearchProvider implementation into Blink and make it a no-op. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master