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31 #ifndef LocalFileSystem_h
32 #define LocalFileSystem_h
34 #if ENABLE(FILE_SYSTEM)
36 #include "AsyncFileSystem.h"
37 #include "PlatformString.h"
38 #include <wtf/PassRefPtr.h>
39 #include <wtf/RefCounted.h>
44 class FileSystemCallback;
45 class ScriptExecutionContext;
47 // Keeps per-process information and provides an entry point to open a file system.
48 class LocalFileSystem {
49 WTF_MAKE_NONCOPYABLE(LocalFileSystem);
51 // Returns a per-process instance of LocalFileSystem.
52 // Note that LocalFileSystem::initializeLocalFileSystem must be called before
54 static LocalFileSystem& localFileSystem();
56 // Does not create the root path for file system, just reads it if available.
57 void readFileSystem(ScriptExecutionContext*, AsyncFileSystem::Type, PassOwnPtr<AsyncFileSystemCallbacks>, bool synchronous = false);
59 void requestFileSystem(ScriptExecutionContext*, AsyncFileSystem::Type, long long size, PassOwnPtr<AsyncFileSystemCallbacks>, bool synchronous = false);
61 #if !PLATFORM(CHROMIUM)
62 // This call is not thread-safe; must be called before any worker threads are created.
63 void initializeLocalFileSystem(const String&);
65 String fileSystemBasePath() const;
69 LocalFileSystem(const String& basePath)
70 : m_basePath(basePath)
74 static LocalFileSystem* s_instance;
76 // An inner class that enforces thread-safe string access.
77 class SystemBasePath {
79 explicit SystemBasePath(const String& path) : m_value(path) { }
80 operator String() const
82 return m_value.threadsafeCopy();
88 SystemBasePath m_basePath;
93 #endif // ENABLE(FILE_SYSTEM)
95 #endif // LocalFileSystem_h