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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/renderer/principals_extension_bindings.h"
#include "chrome/common/render_messages.h"
#include "content/public/renderer/render_view.h"
#include "third_party/WebKit/public/web/WebDocument.h"
#include "third_party/WebKit/public/web/WebLocalFrame.h"
#include "third_party/WebKit/public/web/WebView.h"
#include "v8/include/v8.h"
using blink::WebLocalFrame;
using blink::WebView;
using content::RenderView;
namespace {
class PrincipalsExtensionWrapper : public v8::Extension {
public:
PrincipalsExtensionWrapper();
private:
// v8::Extension overrides.
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunctionTemplate(
v8::Isolate* isolate,
v8::Handle<v8::String> name) OVERRIDE;
static RenderView* GetRenderView();
static void GetManagedAccounts(
const v8::FunctionCallbackInfo<v8::Value>& args);
static void ShowBrowserAccountManagementUI(
const v8::FunctionCallbackInfo<v8::Value>& args);
DISALLOW_COPY_AND_ASSIGN(PrincipalsExtensionWrapper);
};
const char* kPrincipalsExtensionName = "v8/Principals";
const char* kPrincipalsExtensionCode =
"var chrome;"
"if (!chrome)"
" chrome = {};"
"if (!chrome.principals)"
" chrome.principals = {};"
"chrome.principals.getManagedAccounts = function() {"
" native function NativeGetManagedAccounts();"
" return NativeGetManagedAccounts();"
"};"
"chrome.principals.showBrowserAccountManagementUI = function() {"
" native function ShowBrowserAccountManagementUI();"
" ShowBrowserAccountManagementUI();"
"};";
PrincipalsExtensionWrapper::PrincipalsExtensionWrapper() : v8::Extension(
kPrincipalsExtensionName, kPrincipalsExtensionCode) {}
v8::Handle<v8::FunctionTemplate>
PrincipalsExtensionWrapper::GetNativeFunctionTemplate(
v8::Isolate* isolate, v8::Handle<v8::String> name) {
if (name->Equals(v8::String::NewFromUtf8(
isolate, "NativeGetManagedAccounts"))) {
return v8::FunctionTemplate::New(isolate, GetManagedAccounts);
} else if (name->Equals(v8::String::NewFromUtf8(
isolate, "ShowBrowserAccountManagementUI"))) {
return v8::FunctionTemplate::New(isolate, ShowBrowserAccountManagementUI);
}
return v8::Handle<v8::FunctionTemplate>();
}
void PrincipalsExtensionWrapper::GetManagedAccounts(
const v8::FunctionCallbackInfo<v8::Value>& args) {
RenderView* render_view = GetRenderView();
if (!render_view) {
args.GetReturnValue().SetNull();
return;
}
std::vector<std::string> accounts;
render_view->Send(new ChromeViewHostMsg_GetManagedAccounts(
WebLocalFrame::frameForCurrentContext()->document().url(),
&accounts));
v8::Isolate* isolate = args.GetIsolate();
v8::Local<v8::Array> v8_result = v8::Array::New(isolate);
int v8_index = 0;
for (std::vector<std::string>::const_iterator it = accounts.begin();
it != accounts.end(); ++it) {
v8_result->Set(v8::Integer::New(isolate, v8_index++),
v8::String::NewFromUtf8(isolate, it->c_str(),
v8::String::kNormalString, it->length()));
}
args.GetReturnValue().Set(v8_result);
}
void PrincipalsExtensionWrapper::ShowBrowserAccountManagementUI(
const v8::FunctionCallbackInfo<v8::Value>& args) {
// TODO(guohui): need to figure out how to prevent abuse.
RenderView* render_view = GetRenderView();
if (!render_view) return;
render_view->Send(new ChromeViewHostMsg_ShowBrowserAccountManagementUI());
}
RenderView* PrincipalsExtensionWrapper::GetRenderView() {
WebLocalFrame* webframe = WebLocalFrame::frameForCurrentContext();
DCHECK(webframe) << "There should be an active frame since we just got "
"a native function called.";
if (!webframe)
return NULL;
WebView* webview = webframe->view();
if (!webview) // can happen during closing
return NULL;
return RenderView::FromWebView(webview);
}
} // namespace
namespace extensions_v8 {
v8::Extension* PrincipalsExtension::Get() {
return new PrincipalsExtensionWrapper();
}
} // namespace extensions_v8
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