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/extensions/media_galleries_custom_bindings.h" 6 7 #include <string> 8 9 #include "base/files/file_path.h" 10 #include "base/strings/stringprintf.h" 11 #include "chrome/common/extensions/extension_constants.h" 12 #include "third_party/WebKit/public/web/WebDocument.h" 13 #include "third_party/WebKit/public/web/WebFrame.h" 14 #include "v8/include/v8.h" 15 #include "webkit/common/fileapi/file_system_util.h" 16 17 namespace extensions { 18 19 MediaGalleriesCustomBindings::MediaGalleriesCustomBindings( 20 Dispatcher* dispatcher, ChromeV8Context* context) 21 : ChromeV8Extension(dispatcher, context) { 22 RouteFunction( 23 "GetMediaFileSystemObject", 24 base::Bind(&MediaGalleriesCustomBindings::GetMediaFileSystemObject, 25 base::Unretained(this))); 26 } 27 28 void MediaGalleriesCustomBindings::GetMediaFileSystemObject( 29 const v8::FunctionCallbackInfo<v8::Value>& args) { 30 if (args.Length() != 1) { 31 NOTREACHED(); 32 return; 33 } 34 if (!args[0]->IsString()) { 35 NOTREACHED(); 36 return; 37 } 38 39 std::string fsid(*v8::String::Utf8Value(args[0])); 40 if (fsid.empty()) { 41 NOTREACHED(); 42 return; 43 } 44 45 blink::WebFrame* webframe = blink::WebFrame::frameForCurrentContext(); 46 const GURL origin = GURL(webframe->document().securityOrigin().toString()); 47 const std::string fs_name = fileapi::GetIsolatedFileSystemName(origin, fsid); 48 const std::string root_url = 49 fileapi::GetIsolatedFileSystemRootURIString( 50 origin, fsid, extension_misc::kMediaFileSystemPathPart); 51 args.GetReturnValue().Set( 52 webframe->createFileSystem(blink::WebFileSystemTypeIsolated, 53 blink::WebString::fromUTF8(fs_name), 54 blink::WebString::fromUTF8(root_url))); 55 } 56 57 } // namespace extensions 58