Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 102 insertions, 0 deletions

diff --git a/Source/WebCore/fileapi/DOMFileSystemBase.h b/Source/WebCore/fileapi/DOMFileSystemBase.h
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+++ b/Source/WebCore/fileapi/DOMFileSystemBase.h
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+/*
+ * Copyright (C) 2010 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef DOMFileSystemBase_h
+#define DOMFileSystemBase_h
+
+#if ENABLE(FILE_SYSTEM)
+
+#include "AsyncFileSystem.h"
+#include "WebKitFlags.h"
+#include "PlatformString.h"
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefCounted.h>
+
+namespace WebCore {
+
+class DirectoryEntry;
+class DirectoryReaderBase;
+class EntriesCallback;
+class EntryBase;
+class EntryCallback;
+class ErrorCallback;
+class KURL;
+class MetadataCallback;
+class ScriptExecutionContext;
+class SecurityOrigin;
+class VoidCallback;
+
+// A common base class for DOMFileSystem and DOMFileSystemSync.
+class DOMFileSystemBase : public RefCounted<DOMFileSystemBase> {
+public:
+    static PassRefPtr<DOMFileSystemBase> create(ScriptExecutionContext* context, const String& name, PassOwnPtr<AsyncFileSystem> asyncFileSystem)
+    {
+        return adoptRef(new DOMFileSystemBase(context, name, asyncFileSystem));
+    }
+    virtual ~DOMFileSystemBase();
+
+    static const char kPersistentPathPrefix[];
+    static const size_t kPersistentPathPrefixLength;
+    static const char kTemporaryPathPrefix[];
+    static const size_t kTemporaryPathPrefixLength;
+    static const char kExternalPathPrefix[];
+    static const size_t kExternalPathPrefixLength;
+    static bool crackFileSystemURL(const KURL&, AsyncFileSystem::Type&, String& filePath);
+
+    const String& name() const { return m_name; }
+    AsyncFileSystem* asyncFileSystem() const { return m_asyncFileSystem.get(); }
+    SecurityOrigin* securityOrigin() const;
+
+    // Actual FileSystem API implementations.  All the validity checks on virtual paths are done at this level.
+    // They return false for immediate errors that don't involve lower AsyncFileSystem layer (e.g. for name validation errors).  Otherwise they return true (but later may call back with an runtime error).
+    bool getMetadata(const EntryBase*, PassRefPtr<MetadataCallback>, PassRefPtr<ErrorCallback>);
+    bool move(const EntryBase* source, EntryBase* parent, const String& name, PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>);
+    bool copy(const EntryBase* source, EntryBase* parent, const String& name, PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>);
+    bool remove(const EntryBase*, PassRefPtr<VoidCallback>, PassRefPtr<ErrorCallback>);
+    bool removeRecursively(const EntryBase*, PassRefPtr<VoidCallback>, PassRefPtr<ErrorCallback>);
+    bool getParent(const EntryBase*, PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>);
+    bool getFile(const EntryBase*, const String& path, PassRefPtr<WebKitFlags>, PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>);
+    bool getDirectory(const EntryBase*, const String& path, PassRefPtr<WebKitFlags>, PassRefPtr<EntryCallback>, PassRefPtr<ErrorCallback>);
+    bool readDirectory(PassRefPtr<DirectoryReaderBase>, const String& path, PassRefPtr<EntriesCallback>, PassRefPtr<ErrorCallback>);
+
+protected:
+    DOMFileSystemBase(ScriptExecutionContext*, const String& name, PassOwnPtr<AsyncFileSystem>);
+    friend class DOMFileSystemSync;
+
+    ScriptExecutionContext* m_context;
+    String m_name;
+    mutable OwnPtr<AsyncFileSystem> m_asyncFileSystem;
+};
+
+} // namespace WebCore
+
+#endif // ENABLE(FILE_SYSTEM)
+
+#endif // DOMFileSystemBase_h