Merge WebKit at r66666 : Initial merge by git.

Change-Id: I57dedeb49859adc9c539e760f0e749768c66626f

1 files changed, 210 insertions, 0 deletions

diff --git a/WebCore/fileapi/DOMFileSystem.cpp b/WebCore/fileapi/DOMFileSystem.cpp
new file mode 100644
index 0000000..f1b9342
--- /dev/null
+++ b/WebCore/fileapi/DOMFileSystem.cpp
@@ -0,0 +1,210 @@
+/*
+ * 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 "DOMFileSystem.h"
+
+#if ENABLE(FILE_SYSTEM)
+
+#include "AsyncFileSystem.h"
+#include "DOMFilePath.h"
+#include "DirectoryEntry.h"
+#include "EntriesCallback.h"
+#include "Entry.h"
+#include "EntryCallback.h"
+#include "ErrorCallback.h"
+#include "FileError.h"
+#include "FileSystemCallbacks.h"
+#include "MetadataCallback.h"
+#include "ScriptExecutionContext.h"
+#include "VoidCallback.h"
+#include <wtf/OwnPtr.h>
+
+namespace WebCore {
+
+DOMFileSystem::DOMFileSystem(ScriptExecutionContext* context, const String& name, PassOwnPtr<AsyncFileSystem> asyncFileSystem)
+    : ActiveDOMObject(context, this)
+    , m_name(name)
+    , m_asyncFileSystem(asyncFileSystem)
+{
+}
+
+DOMFileSystem::~DOMFileSystem()
+{
+}
+
+PassRefPtr<DirectoryEntry> DOMFileSystem::root()
+{
+    return DirectoryEntry::create(this, DOMFilePath::root);
+}
+
+void DOMFileSystem::stop()
+{
+    m_asyncFileSystem->stop();
+}
+
+bool DOMFileSystem::hasPendingActivity() const
+{
+    return m_asyncFileSystem->hasPendingActivity();
+}
+
+void DOMFileSystem::contextDestroyed()
+{
+    m_asyncFileSystem->stop();
+}
+
+void DOMFileSystem::getMetadata(const Entry* entry, PassRefPtr<MetadataCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(entry->fullPath());
+    m_asyncFileSystem->readMetadata(platformPath, new MetadataCallbacks(successCallback, errorCallback));
+}
+
+static bool checkValidityForForCopyOrMove(const Entry* src, Entry* parent, const String& newName)
+{
+    ASSERT(src);
+
+    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 (src->isDirectory() && DOMFilePath::isParentOf(src->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() || src->name() == newName) && DOMFilePath::getDirectory(src->fullPath()) == parent->fullPath())
+        return false;
+
+    return true;
+}
+
+void DOMFileSystem::move(const Entry* src, PassRefPtr<Entry> parent, const String& newName, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    if (!checkValidityForForCopyOrMove(src, parent.get(), newName)) {
+        scheduleCallback(scriptExecutionContext(), errorCallback, FileError::create(INVALID_MODIFICATION_ERR));
+        return;
+    }
+
+    String destPath = parent->fullPath();
+    if (!newName.isEmpty())
+        destPath = DOMFilePath::append(destPath, newName);
+    else
+        destPath = DOMFilePath::append(destPath, src->name());
+
+    String srcPlatformPath = m_asyncFileSystem->virtualToPlatformPath(src->fullPath());
+    String destPlatformPath = parent->filesystem()->asyncFileSystem()->virtualToPlatformPath(destPath);
+    m_asyncFileSystem->move(srcPlatformPath, destPlatformPath, new EntryCallbacks(successCallback, errorCallback, this, destPath, src->isDirectory()));
+}
+
+void DOMFileSystem::copy(const Entry* src, PassRefPtr<Entry> parent, const String& newName, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    if (!checkValidityForForCopyOrMove(src, parent.get(), newName)) {
+        scheduleCallback(scriptExecutionContext(), errorCallback, FileError::create(INVALID_MODIFICATION_ERR));
+        return;
+    }
+
+    String destPath = parent->fullPath();
+    if (!newName.isEmpty())
+        destPath = DOMFilePath::append(destPath, newName);
+    else
+        destPath = DOMFilePath::append(destPath, src->name());
+
+    String srcPlatformPath = m_asyncFileSystem->virtualToPlatformPath(src->fullPath());
+    String destPlatformPath = parent->filesystem()->asyncFileSystem()->virtualToPlatformPath(destPath);
+    m_asyncFileSystem->copy(srcPlatformPath, destPlatformPath, new EntryCallbacks(successCallback, errorCallback, this, destPath, src->isDirectory()));
+}
+
+void DOMFileSystem::remove(const Entry* entry, PassRefPtr<VoidCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    ASSERT(entry);
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(entry->fullPath());
+    m_asyncFileSystem->remove(platformPath, new VoidCallbacks(successCallback, errorCallback));
+}
+
+void DOMFileSystem::getParent(const Entry* 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, new EntryCallbacks(successCallback, errorCallback, this, path, true));
+}
+
+void DOMFileSystem::getFile(const Entry* base, const String& path, PassRefPtr<Flags> flags, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    ASSERT(base);
+    if (!DOMFilePath::isValidPath(path)) {
+        scheduleCallback(scriptExecutionContext(), errorCallback, FileError::create(INVALID_MODIFICATION_ERR));
+        return;
+    }
+
+    String absolutePath = path;
+    if (!DOMFilePath::isAbsolute(path))
+        absolutePath = DOMFilePath::removeExtraParentReferences(DOMFilePath::append(base->fullPath(), path));
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(absolutePath);
+
+    OwnPtr<EntryCallbacks> callbacks = adoptPtr(new EntryCallbacks(successCallback, errorCallback, this, absolutePath, false));
+    if (flags && flags->isCreate())
+        m_asyncFileSystem->createFile(platformPath, flags->isExclusive(), callbacks.release());
+    else
+        m_asyncFileSystem->fileExists(platformPath, callbacks.release());
+}
+
+void DOMFileSystem::getDirectory(const Entry* base, const String& path, PassRefPtr<Flags> flags, PassRefPtr<EntryCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    ASSERT(base);
+    if (!DOMFilePath::isValidPath(path)) {
+        scheduleCallback(scriptExecutionContext(), errorCallback, FileError::create(INVALID_MODIFICATION_ERR));
+        return;
+    }
+
+    String absolutePath = path;
+    if (!DOMFilePath::isAbsolute(path))
+        absolutePath = DOMFilePath::removeExtraParentReferences(DOMFilePath::append(base->fullPath(), path));
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(absolutePath);
+
+    OwnPtr<EntryCallbacks> callbacks = adoptPtr(new EntryCallbacks(successCallback, errorCallback, this, absolutePath, true));
+    if (flags && flags->isCreate())
+        m_asyncFileSystem->createDirectory(platformPath, flags->isExclusive(), callbacks.release());
+    else
+        m_asyncFileSystem->directoryExists(platformPath, callbacks.release());
+}
+
+void DOMFileSystem::readDirectory(const String& path, PassRefPtr<EntriesCallback> successCallback, PassRefPtr<ErrorCallback> errorCallback)
+{
+    ASSERT(DOMFilePath::isAbsolute(path));
+    String platformPath = m_asyncFileSystem->virtualToPlatformPath(path);
+    m_asyncFileSystem->readDirectory(platformPath, new EntriesCallbacks(successCallback, errorCallback, this, path));
+}
+
+} // namespace
+
+#endif // ENABLE(FILE_SYSTEM)