Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
       5             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "FileSystem.h"
       8             : #include "FileSystemRootDirectoryEntry.h"
       9             : #include "mozilla/dom/FileSystemBinding.h"
      10             : #include "nsContentUtils.h"
      11             : 
      12             : namespace mozilla {
      13             : namespace dom {
      14             : 
      15           0 : NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(FileSystem, mParent, mRoot)
      16             : 
      17           0 : NS_IMPL_CYCLE_COLLECTING_ADDREF(FileSystem)
      18           0 : NS_IMPL_CYCLE_COLLECTING_RELEASE(FileSystem)
      19             : 
      20           0 : NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(FileSystem)
      21           0 :   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
      22           0 :   NS_INTERFACE_MAP_ENTRY(nsISupports)
      23           0 : NS_INTERFACE_MAP_END
      24             : 
      25             : /* static */ already_AddRefed<FileSystem>
      26           0 : FileSystem::Create(nsIGlobalObject* aGlobalObject)
      27             : 
      28             : {
      29           0 :   MOZ_ASSERT(aGlobalObject);
      30             : 
      31             : 
      32             :   nsID id;
      33           0 :   nsresult rv = nsContentUtils::GenerateUUIDInPlace(id);
      34           0 :   if (NS_WARN_IF(NS_FAILED(rv))) {
      35           0 :     return nullptr;
      36             :   }
      37             : 
      38             :   char chars[NSID_LENGTH];
      39           0 :   id.ToProvidedString(chars);
      40             : 
      41             :   // Any fileSystem has an unique ID. We use UUID, but our generator produces
      42             :   // UUID in this format '{' + UUID + '}'. We remove them with these +1 and -2.
      43           0 :   nsAutoCString name(Substring(chars + 1, chars + NSID_LENGTH - 2));
      44             : 
      45             :   RefPtr<FileSystem> fs =
      46           0 :     new FileSystem(aGlobalObject, NS_ConvertUTF8toUTF16(name));
      47             : 
      48           0 :   return fs.forget();
      49             : }
      50             : 
      51           0 : FileSystem::FileSystem(nsIGlobalObject* aGlobal, const nsAString& aName)
      52             :   : mParent(aGlobal)
      53           0 :   , mName(aName)
      54             : {
      55           0 :   MOZ_ASSERT(aGlobal);
      56           0 : }
      57             : 
      58           0 : FileSystem::~FileSystem()
      59           0 : {}
      60             : 
      61             : JSObject*
      62           0 : FileSystem::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
      63             : {
      64           0 :   return FileSystemBinding::Wrap(aCx, this, aGivenProto);
      65             : }
      66             : 
      67             : void
      68           0 : FileSystem::CreateRoot(const Sequence<RefPtr<FileSystemEntry>>& aEntries)
      69             : {
      70           0 :   MOZ_ASSERT(!mRoot);
      71           0 :   mRoot = new FileSystemRootDirectoryEntry(mParent, aEntries, this);
      72           0 : }
      73             : 
      74             : } // dom namespace
      75             : } // mozilla namespace