/* * 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 "EntryArray.h" #include "EntryCallback.h" #include "ErrorCallback.h" #include "FileEntry.h" #include "FileError.h" #include "FileSystemCallbacks.h" #include "FileWriter.h" #include "FileWriterCallback.h" #include "MetadataCallback.h" #include "ScriptExecutionContext.h" #include "VoidCallback.h" #include namespace WebCore { DOMFileSystem::DOMFileSystem(ScriptExecutionContext* context, const String& name, PassOwnPtr asyncFileSystem) : ActiveDOMObject(context, this) , m_name(name) , m_asyncFileSystem(asyncFileSystem) { } DOMFileSystem::~DOMFileSystem() { } PassRefPtr 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(); ActiveDOMObject::contextDestroyed(); } void DOMFileSystem::getMetadata(const Entry* entry, PassRefPtr successCallback, PassRefPtr errorCallback) { String platformPath = m_asyncFileSystem->virtualToPlatformPath(entry->fullPath()); m_asyncFileSystem->readMetadata(platformPath, MetadataCallbacks::create(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 parent, const String& newName, PassRefPtr successCallback, PassRefPtr 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, EntryCallbacks::create(successCallback, errorCallback, this, destPath, src->isDirectory())); } void DOMFileSystem::copy(const Entry* src, PassRefPtr parent, const String& newName, PassRefPtr successCallback, PassRefPtr 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, EntryCallbacks::create(successCallback, errorCallback, this, destPath, src->isDirectory())); } void DOMFileSystem::remove(const Entry* entry, PassRefPtr successCallback, PassRefPtr errorCallback) { ASSERT(entry); String platformPath = m_asyncFileSystem->virtualToPlatformPath(entry->fullPath()); m_asyncFileSystem->remove(platformPath, VoidCallbacks::create(successCallback, errorCallback)); } void DOMFileSystem::getParent(const Entry* entry, PassRefPtr successCallback, PassRefPtr 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)); } void DOMFileSystem::getFile(const Entry* base, const String& path, PassRefPtr flags, PassRefPtr successCallback, PassRefPtr 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 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()); } void DOMFileSystem::getDirectory(const Entry* base, const String& path, PassRefPtr flags, PassRefPtr successCallback, PassRefPtr 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 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()); } void DOMFileSystem::createWriter(const FileEntry* file, PassRefPtr successCallback, PassRefPtr errorCallback) { ASSERT(file); String platformPath = m_asyncFileSystem->virtualToPlatformPath(file->fullPath()); RefPtr fileWriter = FileWriter::create(scriptExecutionContext()); OwnPtr callbacks = FileWriterCallbacks::create(fileWriter, successCallback, errorCallback); m_asyncFileSystem->createWriter(fileWriter.get(), platformPath, callbacks.release()); } void DOMFileSystem::readDirectory(const String& path, PassRefPtr successCallback, PassRefPtr errorCallback) { ASSERT(DOMFilePath::isAbsolute(path)); String platformPath = m_asyncFileSystem->virtualToPlatformPath(path); m_asyncFileSystem->readDirectory(platformPath, EntriesCallbacks::create(successCallback, errorCallback, this, path)); } } // namespace #endif // ENABLE(FILE_SYSTEM)