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// Copyright (c) 2010 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/extensions/chrome_app_bindings.h"
#include "base/string16.h"
#include "base/utf_string_conversions.h"
#include "chrome/common/extensions/extension_set.h"
#include "chrome/renderer/extensions/bindings_utils.h"
#include "chrome/renderer/render_thread.h"
#include "chrome/renderer/render_view.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "v8/include/v8.h"
using WebKit::WebFrame;
namespace extensions_v8 {
static const char* const kAppExtensionName = "v8/ChromeApp";
class ChromeAppExtensionWrapper : public v8::Extension {
public:
ChromeAppExtensionWrapper() :
v8::Extension(kAppExtensionName,
"var chrome;"
"if (!chrome)"
" chrome = {};"
"if (!chrome.app) {"
" chrome.app = new function() {"
" native function GetIsInstalled();"
" native function Install();"
" this.__defineGetter__('isInstalled', GetIsInstalled);"
" this.install = Install;"
" };"
"}") {}
virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction(
v8::Handle<v8::String> name) {
if (name->Equals(v8::String::New("GetIsInstalled"))) {
return v8::FunctionTemplate::New(GetIsInstalled);
} else if (name->Equals(v8::String::New("Install"))) {
return v8::FunctionTemplate::New(Install);
} else {
return v8::Handle<v8::FunctionTemplate>();
}
}
static v8::Handle<v8::Value> GetIsInstalled(const v8::Arguments& args) {
WebFrame* frame = WebFrame::frameForCurrentContext();
if (!frame)
return v8::Boolean::New(false);
GURL url(frame->url());
if (url.is_empty() ||
!url.is_valid() ||
!(url.SchemeIs("http") || url.SchemeIs("https")))
return v8::Boolean::New(false);
bool has_web_extent =
RenderThread::current()->GetExtensions()->GetByURL(url) != NULL;
return v8::Boolean::New(has_web_extent);
}
static v8::Handle<v8::Value> Install(const v8::Arguments& args) {
WebFrame* frame = WebFrame::frameForCurrentContext();
RenderView* render_view = bindings_utils::GetRenderViewForCurrentContext();
if (frame && render_view) {
string16 error;
if (!render_view->InstallWebApplicationUsingDefinitionFile(frame, &error))
v8::ThrowException(v8::String::New(UTF16ToUTF8(error).c_str()));
}
return v8::Undefined();
}
};
v8::Extension* ChromeAppExtension::Get() {
return new ChromeAppExtensionWrapper();
}
} // namespace extensions_v8
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