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93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_FileSystemBase_h
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#define mozilla_dom_FileSystemBase_h
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#include "nsWeakReference.h"
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#include "nsAutoPtr.h"
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#include "nsString.h"
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class nsPIDOMWindow; // You need |#include "nsPIDOMWindow.h"| in CPP files.
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namespace mozilla {
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namespace dom {
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/*
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* To make FileSystemBase as a weak reference, so that before the child window
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* is closed and the FileSystemBase is destroyed, we don't need to notify the
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* FileSystemTaskBase instances, which hold the FileSystemBase reference, to
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* cancel and wait until the instances finish.
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*/
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class FileSystemBase
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: public nsSupportsWeakReference
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{
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NS_DECL_THREADSAFE_ISUPPORTS
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public:
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// Create file system object from its string representation.
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static already_AddRefed<FileSystemBase>
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FromString(const nsAString& aString);
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FileSystemBase();
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// Get the string representation of the file system.
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const nsString&
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ToString() const
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{
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return mString;
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}
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virtual nsPIDOMWindow*
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GetWindow() const;
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/*
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* Create nsIFile object with the given real path (absolute DOM path).
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*/
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virtual already_AddRefed<nsIFile>
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GetLocalFile(const nsAString& aRealPath) const = 0;
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/*
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* Get the virtual name of the root directory. This name will be exposed to
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* the content page.
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*/
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virtual const nsAString&
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GetRootName() const = 0;
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virtual bool
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IsSafeFile(nsIFile* aFile) const;
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/*
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* Get the permission name required to access this file system.
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*/
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const nsCString&
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GetPermission() const
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{
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return mPermission;
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}
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bool
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IsTesting() const
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{
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return mIsTesting;
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}
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protected:
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virtual ~FileSystemBase();
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// The string representation of the file system.
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nsString mString;
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// The permission name required to access the file system.
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nsCString mPermission;
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bool mIsTesting;
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};
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} // namespace dom
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} // namespace mozilla
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#endif // mozilla_dom_FileSystemBase_h
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