Upstream version 7.36.149.0
[platform/framework/web/crosswalk.git] / src / chrome / renderer / principals_extension_bindings.cc
1 // Copyright 2013 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/principals_extension_bindings.h"
6
7 #include "chrome/common/render_messages.h"
8 #include "content/public/renderer/render_view.h"
9 #include "third_party/WebKit/public/web/WebDocument.h"
10 #include "third_party/WebKit/public/web/WebLocalFrame.h"
11 #include "third_party/WebKit/public/web/WebView.h"
12 #include "v8/include/v8.h"
13
14 using blink::WebLocalFrame;
15 using blink::WebView;
16 using content::RenderView;
17
18 namespace {
19
20 class PrincipalsExtensionWrapper : public v8::Extension {
21  public:
22   PrincipalsExtensionWrapper();
23
24  private:
25   // v8::Extension overrides.
26   virtual v8::Handle<v8::FunctionTemplate> GetNativeFunctionTemplate(
27       v8::Isolate* isolate,
28       v8::Handle<v8::String> name) OVERRIDE;
29
30   static RenderView* GetRenderView();
31
32   static void GetManagedAccounts(
33       const v8::FunctionCallbackInfo<v8::Value>& args);
34   static void ShowBrowserAccountManagementUI(
35       const v8::FunctionCallbackInfo<v8::Value>& args);
36
37   DISALLOW_COPY_AND_ASSIGN(PrincipalsExtensionWrapper);
38 };
39
40 const char* kPrincipalsExtensionName = "v8/Principals";
41 const char* kPrincipalsExtensionCode =
42     "var chrome;"
43     "if (!chrome)"
44     "  chrome = {};"
45     "if (!chrome.principals)"
46     "  chrome.principals = {};"
47     "chrome.principals.getManagedAccounts = function() {"
48     "  native function NativeGetManagedAccounts();"
49     "  return NativeGetManagedAccounts();"
50     "};"
51     "chrome.principals.showBrowserAccountManagementUI = function() {"
52     "  native function ShowBrowserAccountManagementUI();"
53     "  ShowBrowserAccountManagementUI();"
54     "};";
55
56 PrincipalsExtensionWrapper::PrincipalsExtensionWrapper() : v8::Extension(
57     kPrincipalsExtensionName, kPrincipalsExtensionCode) {}
58
59 v8::Handle<v8::FunctionTemplate>
60     PrincipalsExtensionWrapper::GetNativeFunctionTemplate(
61         v8::Isolate* isolate, v8::Handle<v8::String> name) {
62   if (name->Equals(v8::String::NewFromUtf8(
63       isolate, "NativeGetManagedAccounts"))) {
64     return v8::FunctionTemplate::New(isolate, GetManagedAccounts);
65   } else if (name->Equals(v8::String::NewFromUtf8(
66       isolate, "ShowBrowserAccountManagementUI"))) {
67     return v8::FunctionTemplate::New(isolate, ShowBrowserAccountManagementUI);
68   }
69   return v8::Handle<v8::FunctionTemplate>();
70 }
71
72 void PrincipalsExtensionWrapper::GetManagedAccounts(
73     const v8::FunctionCallbackInfo<v8::Value>& args) {
74   RenderView* render_view = GetRenderView();
75   if (!render_view) {
76     args.GetReturnValue().SetNull();
77     return;
78   }
79
80   std::vector<std::string> accounts;
81   render_view->Send(new ChromeViewHostMsg_GetManagedAccounts(
82       WebLocalFrame::frameForCurrentContext()->document().url(),
83       &accounts));
84
85   v8::Isolate* isolate = args.GetIsolate();
86   v8::Local<v8::Array> v8_result = v8::Array::New(isolate);
87   int v8_index = 0;
88   for (std::vector<std::string>::const_iterator it = accounts.begin();
89        it != accounts.end(); ++it) {
90     v8_result->Set(v8::Integer::New(isolate, v8_index++),
91         v8::String::NewFromUtf8(isolate, it->c_str(),
92                                 v8::String::kNormalString, it->length()));
93   }
94   args.GetReturnValue().Set(v8_result);
95 }
96
97 void PrincipalsExtensionWrapper::ShowBrowserAccountManagementUI(
98     const v8::FunctionCallbackInfo<v8::Value>& args) {
99   // TODO(guohui): need to figure out how to prevent abuse.
100   RenderView* render_view = GetRenderView();
101   if (!render_view) return;
102
103   render_view->Send(new ChromeViewHostMsg_ShowBrowserAccountManagementUI());
104 }
105
106 RenderView* PrincipalsExtensionWrapper::GetRenderView() {
107   WebLocalFrame* webframe = WebLocalFrame::frameForCurrentContext();
108   DCHECK(webframe) << "There should be an active frame since we just got "
109       "a native function called.";
110   if (!webframe)
111     return NULL;
112
113   WebView* webview = webframe->view();
114   if (!webview)  // can happen during closing
115     return NULL;
116
117   return RenderView::FromWebView(webview);
118 }
119
120 }  // namespace
121
122 namespace extensions_v8 {
123
124 v8::Extension* PrincipalsExtension::Get() {
125   return new PrincipalsExtensionWrapper();
126 }
127
128 }  // namespace extensions_v8