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Unified Diff: webkit/fileapi/external_mount_points.h

Issue 15994002: Move more browser-specific webkit/fileapi code to webkit/browser/fileapi (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 7 years, 7 months ago
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Index: webkit/fileapi/external_mount_points.h
diff --git a/webkit/fileapi/external_mount_points.h b/webkit/fileapi/external_mount_points.h
deleted file mode 100644
index c5d5a48774efe74b5c5fbc82dbe6544281de5312..0000000000000000000000000000000000000000
--- a/webkit/fileapi/external_mount_points.h
+++ /dev/null
@@ -1,169 +0,0 @@
-// Copyright (c) 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.
-
-#ifndef WEBKIT_FILEAPI_EXTERNAL_MOUNT_POINTS_H_
-#define WEBKIT_FILEAPI_EXTERNAL_MOUNT_POINTS_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/memory/ref_counted.h"
-#include "base/synchronization/lock.h"
-#include "webkit/fileapi/file_system_types.h"
-#include "webkit/fileapi/mount_points.h"
-#include "webkit/storage/webkit_storage_export.h"
-
-namespace base {
-class FilePath;
-}
-
-namespace fileapi {
-class FileSystemURL;
-class RemoteFileSystemProxyInterface;
-}
-
-namespace fileapi {
-
-// Manages external filesystem namespaces that are identified by 'mount name'
-// and are persisted until RevokeFileSystem is called.
-// Files in an external filesystem are identified by a filesystem URL like:
-//
-// filesystem:<origin>/external/<mount_name>/relative/path
-//
-class WEBKIT_STORAGE_EXPORT ExternalMountPoints
- : public base::RefCountedThreadSafe<ExternalMountPoints>,
- public MountPoints {
- public:
- static ExternalMountPoints* GetSystemInstance();
- static scoped_refptr<ExternalMountPoints> CreateRefCounted();
-
- // Registers a new named external filesystem.
- // The |path| is registered as the root path of the mount point which
- // is identified by a URL "filesystem:.../external/mount_name".
- //
- // For example, if the path "/media/removable" is registered with
- // the mount_name "removable", a filesystem URL like
- // "filesystem:.../external/removable/a/b" will be resolved as
- // "/media/removable/a/b".
- //
- // The |mount_name| should NOT contain a path separator '/'.
- // Returns false if the given name is already registered.
- //
- // Overlapping mount points in a single MountPoints instance are not allowed.
- // Adding mount point whose path overlaps with an existing mount point will
- // fail.
- //
- // If not empty, |path| must be absolute. It is allowed for the path to be
- // empty, but |GetVirtualPath| will not work for those mount points.
- //
- // An external file system registered by this method can be revoked
- // by calling RevokeFileSystem with |mount_name|.
- bool RegisterFileSystem(const std::string& mount_name,
- FileSystemType type,
- const base::FilePath& path);
-
- // Same as |RegisterExternalFileSystem|, but also registers a remote file
- // system proxy for the file system.
- bool RegisterRemoteFileSystem(const std::string& mount_name,
- FileSystemType type,
- RemoteFileSystemProxyInterface* remote_proxy,
- const base::FilePath& path);
-
- // MountPoints overrides.
- virtual bool HandlesFileSystemMountType(FileSystemType type) const OVERRIDE;
- virtual bool RevokeFileSystem(const std::string& mount_name) OVERRIDE;
- virtual bool GetRegisteredPath(const std::string& mount_name,
- base::FilePath* path) const OVERRIDE;
- virtual bool CrackVirtualPath(const base::FilePath& virtual_path,
- std::string* mount_name,
- FileSystemType* type,
- base::FilePath* path) const OVERRIDE;
- virtual FileSystemURL CrackURL(const GURL& url) const OVERRIDE;
- virtual FileSystemURL CreateCrackedFileSystemURL(
- const GURL& origin,
- FileSystemType type,
- const base::FilePath& path) const OVERRIDE;
-
- // Retrieves the remote file system proxy for the registered file system.
- // Returns NULL if there is no file system with the given name, or if the file
- // system does not have a remote file system proxy.
- RemoteFileSystemProxyInterface* GetRemoteFileSystemProxy(
- const std::string& mount_name) const;
-
- // Returns a list of registered MountPointInfos (of <mount_name, path>).
- void AddMountPointInfosTo(std::vector<MountPointInfo>* mount_points) const;
-
- // Converts a path on a registered file system to virtual path relative to the
- // file system root. E.g. if 'Downloads' file system is mapped to
- // '/usr/local/home/Downloads', and |absolute| path is set to
- // '/usr/local/home/Downloads/foo', the method will set |virtual_path| to
- // 'Downloads/foo'.
- // Returns false if the path cannot be resolved (e.g. if the path is not
- // part of any registered filesystem).
- //
- // Returned virtual_path will have normalized path separators.
- bool GetVirtualPath(const base::FilePath& absolute_path,
- base::FilePath* virtual_path) const;
-
- // Returns the virtual root path that looks like /<mount_name>.
- base::FilePath CreateVirtualRootPath(const std::string& mount_name) const;
-
- private:
- friend class base::RefCountedThreadSafe<ExternalMountPoints>;
-
- // Represents each file system instance (defined in the .cc).
- class Instance;
-
- typedef std::map<std::string, Instance*> NameToInstance;
-
- // Reverse map from registered path to its corresponding mount name.
- typedef std::map<base::FilePath, std::string> PathToName;
-
- // Use |GetSystemInstance| of |CreateRefCounted| to get an instance.
- ExternalMountPoints();
- virtual ~ExternalMountPoints();
-
- // MountPoint overrides.
- virtual FileSystemURL CrackFileSystemURL(
- const FileSystemURL& url) const OVERRIDE;
-
- // Performs sanity checks on the new mount point.
- // Checks the following:
- // - there is no registered mount point with mount_name
- // - path does not contain a reference to a parent
- // - path is absolute
- // - path does not overlap with an existing mount point path.
- //
- // |lock_| should be taken before calling this method.
- bool ValidateNewMountPoint(const std::string& mount_name,
- const base::FilePath& path);
-
- // This lock needs to be obtained when accessing the instance_map_.
- mutable base::Lock lock_;
-
- NameToInstance instance_map_;
- PathToName path_to_name_map_;
-
- DISALLOW_COPY_AND_ASSIGN(ExternalMountPoints);
-};
-
-// Registers a scoped external filesystem which gets revoked when it scopes out.
-class WEBKIT_STORAGE_EXPORT ScopedExternalFileSystem {
- public:
- ScopedExternalFileSystem(const std::string& mount_name,
- FileSystemType type,
- const base::FilePath& path);
- ~ScopedExternalFileSystem();
-
- base::FilePath GetVirtualRootPath() const;
-
- private:
- const std::string mount_name_;
-};
-
-} // namespace fileapi
-
-#endif // WEBKIT_FILEAPI_EXTERNAL_MOUNT_POINTS_H_
-
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