Merge WebKit at r70209: Initial merge by Git

Change-Id: Id23a68efa36e9d1126bcce0b137872db00892c8e

1 files changed, 203 insertions, 0 deletions

diff --git a/WebCore/fileapi/DOMFileSystemBase.cpp b/WebCore/fileapi/DOMFileSystemBase.cpp
new file mode 100644
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+++ b/WebCore/fileapi/DOMFileSystemBase.cpp
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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.
+ */
+
+#include "config.h"
+#include "DOMFileSystemBase.h"
+
+#if ENABLE(FILE_SYSTEM)
+
+#include "DOMFilePath.h"
+#include "DirectoryEntry.h"
+#include "EntriesCallback.h"
+#include "EntryArray.h"
+#include "EntryBase.h"
+#include "EntryCallback.h"
+#include "ErrorCallback.h"
+#include "FileError.h"
+#include "FileSystemCallbacks.h"
+#include "MetadataCallback.h"
+#include "VoidCallback.h"
+#include <wtf/OwnPtr.h>
+
+namespace WebCore {
+
+DOMFileSystemBase::DOMFileSystemBase(const String& name, PassOwnPtr<AsyncFileSystem> asyncFileSystem)
+    : m_name(name)
+    , m_asyncFileSystem(asyncFileSystem)
+{
+}
+
+DOMFileSystemBase::~DOMFileSystemBase()
+{
+}
+
+bool DOMFileSystemBase::getMetadata(const EntryBase* entry, PassRefPtr<MetadataCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(entry->fullPath());
+    m_asyncFileSystem->readMetadata(platformPath, MetadataCallbacks::create(successCallback, errorCallback));
+    return true;
+}
+
+static bool verifyAndGetDestinationPathForCopyOrMove(const EntryBase* source, EntryBase* parent, const String& newName, String& destinationPath)
+{
+    ASSERT(source);
+
+    if (!parent || !parent->isDirectory())
+        return false;
+
+    if (!newName.isEmpty() && !DOMFilePath::isValidName(newName))
+        return false;
+
+    // It is an error to try to copy or move an entry inside itself at any depth if it is a directory.
+    if (source->isDirectory() && DOMFilePath::isParentOf(source->fullPath(), parent->fullPath()))
+        return false;
+
+    // It is an error to copy or move an entry into its parent if a name different from its current one isn't provided.
+    if ((newName.isEmpty() || source->name() == newName) && DOMFilePath::getDirectory(source->fullPath()) == parent->fullPath())
+        return false;
+
+    destinationPath = parent->fullPath();
+    if (!newName.isEmpty())
+        destinationPath = DOMFilePath::append(destinationPath, newName);
+    else
+        destinationPath = DOMFilePath::append(destinationPath, source->name());
+
+    return true;
+}
+
+static bool pathToAbsolutePath(const EntryBase* base, String path, String& absolutePath)
+{
+    ASSERT(base);
+
+    if (!DOMFilePath::isAbsolute(path))
+        path = DOMFilePath::append(base->fullPath(), path);
+    absolutePath = DOMFilePath::removeExtraParentReferences(path);
+
+    if (!DOMFilePath::isValidPath(absolutePath))
+        return false;
+    return true;
+}
+
+bool DOMFileSystemBase::move(const EntryBase* source, EntryBase* parent, const String& newName, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    String destinationPath;
+    if (!verifyAndGetDestinationPathForCopyOrMove(source, parent, newName, destinationPath))
+        return false;
+
+    String sourcePlatformPath = m_asyncFileSystem->virtualToPlatformPath(source->fullPath());
+    String destinationPlatformPath = parent->filesystem()->asyncFileSystem()->virtualToPlatformPath(destinationPath);
+    m_asyncFileSystem->move(sourcePlatformPath, destinationPlatformPath, EntryCallbacks::create(successCallback, errorCallback, this, destinationPath, source->isDirectory()));
+    return true;
+}
+
+bool DOMFileSystemBase::copy(const EntryBase* source, EntryBase* parent, const String& newName, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    String destinationPath;
+    if (!verifyAndGetDestinationPathForCopyOrMove(source, parent, newName, destinationPath))
+        return false;
+
+    String sourcePlatformPath = m_asyncFileSystem->virtualToPlatformPath(source->fullPath());
+    String destinationPlatformPath = parent->filesystem()->asyncFileSystem()->virtualToPlatformPath(destinationPath);
+    m_asyncFileSystem->copy(sourcePlatformPath, destinationPlatformPath, EntryCallbacks::create(successCallback, errorCallback, this, destinationPath, source->isDirectory()));
+    return true;
+}
+
+bool DOMFileSystemBase::remove(const EntryBase* entry, PassRefPtr<VoidCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    ASSERT(entry);
+    // We don't allow calling remove() on the root directory.
+    if (entry->fullPath() == String(DOMFilePath::root))
+        return false;
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(entry->fullPath());
+    m_asyncFileSystem->remove(platformPath, VoidCallbacks::create(successCallback, errorCallback));
+    return true;
+}
+
+bool DOMFileSystemBase::removeRecursively(const EntryBase* entry, PassRefPtr<VoidCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    ASSERT(entry && entry->isDirectory());
+    // We don't allow calling remove() on the root directory.
+    if (entry->fullPath() == String(DOMFilePath::root))
+        return false;
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(entry->fullPath());
+    m_asyncFileSystem->removeRecursively(platformPath, VoidCallbacks::create(successCallback, errorCallback));
+    return true;
+}
+
+bool DOMFileSystemBase::getParent(const EntryBase* entry, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    ASSERT(entry);
+    String path = DOMFilePath::getDirectory(entry->fullPath());
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(path);
+    m_asyncFileSystem->directoryExists(platformPath, EntryCallbacks::create(successCallback, errorCallback, this, path, true));
+    return true;
+}
+
+bool DOMFileSystemBase::getFile(const EntryBase* base, const String& path, PassRefPtr<Flags> flags, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    String absolutePath;
+    if (!pathToAbsolutePath(base, path, absolutePath))
+        return false;
+
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(absolutePath);
+    OwnPtr<EntryCallbacks> callbacks = EntryCallbacks::create(successCallback, errorCallback, this, absolutePath, false);
+    if (flags && flags->isCreate())
+        m_asyncFileSystem->createFile(platformPath, flags->isExclusive(), callbacks.release());
+    else
+        m_asyncFileSystem->fileExists(platformPath, callbacks.release());
+    return true;
+}
+
+bool DOMFileSystemBase::getDirectory(const EntryBase* base, const String& path, PassRefPtr<Flags> flags, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    String absolutePath;
+    if (!pathToAbsolutePath(base, path, absolutePath))
+        return false;
+
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(absolutePath);
+    OwnPtr<EntryCallbacks> callbacks = EntryCallbacks::create(successCallback, errorCallback, this, absolutePath, true);
+    if (flags && flags->isCreate())
+        m_asyncFileSystem->createDirectory(platformPath, flags->isExclusive(), callbacks.release());
+    else
+        m_asyncFileSystem->directoryExists(platformPath, callbacks.release());
+    return true;
+}
+
+bool DOMFileSystemBase::readDirectory(DirectoryReaderBase* reader, const String& path, PassRefPtr<EntriesCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    ASSERT(DOMFilePath::isAbsolute(path));
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(path);
+    m_asyncFileSystem->readDirectory(platformPath, EntriesCallbacks::create(successCallback, errorCallback, reader, path));
+    return true;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(FILE_SYSTEM)