cef/libcef/browser_file_system.cc

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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "browser_file_system.h"
#include "browser_file_writer.h"
#include "cef_thread.h"
#include "base/file_path.h"
#include "base/memory/scoped_callback_factory.h"
#include "base/message_loop.h"
#include "base/message_loop_proxy.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "googleurl/src/gurl.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileInfo.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileSystemCallbacks.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileSystemEntry.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURL.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebVector.h"
#include "webkit/fileapi/file_system_callback_dispatcher.h"
#include "webkit/fileapi/file_system_context.h"
#include "webkit/fileapi/file_system_operation.h"
#include "webkit/fileapi/file_system_path_manager.h"
#include "webkit/fileapi/file_system_types.h"
#include "webkit/glue/webkit_glue.h"
using base::WeakPtr;
using WebKit::WebFileInfo;
using WebKit::WebFileSystem;
using WebKit::WebFileSystemCallbacks;
using WebKit::WebFileSystemEntry;
using WebKit::WebFileWriter;
using WebKit::WebFileWriterClient;
using WebKit::WebFrame;
using WebKit::WebSecurityOrigin;
using WebKit::WebString;
using WebKit::WebURL;
using WebKit::WebVector;
using fileapi::FileSystemCallbackDispatcher;
using fileapi::FileSystemContext;
using fileapi::FileSystemOperation;
namespace {
class BrowserFileSystemCallbackDispatcher
: public FileSystemCallbackDispatcher {
public:
BrowserFileSystemCallbackDispatcher(
const WeakPtr<BrowserFileSystem>& file_system,
WebFileSystemCallbacks* callbacks)
: file_system_(file_system),
callbacks_(callbacks) {
}
~BrowserFileSystemCallbackDispatcher() {
}
virtual void DidSucceed() {
DCHECK(file_system_);
callbacks_->didSucceed();
}
virtual void DidReadMetadata(const base::PlatformFileInfo& info,
const FilePath& platform_path) {
DCHECK(file_system_);
WebFileInfo web_file_info;
web_file_info.length = info.size;
web_file_info.modificationTime = info.last_modified.ToDoubleT();
web_file_info.type = info.is_directory ?
WebFileInfo::TypeDirectory : WebFileInfo::TypeFile;
web_file_info.platformPath =
webkit_glue::FilePathToWebString(platform_path);
callbacks_->didReadMetadata(web_file_info);
}
virtual void DidReadDirectory(
const std::vector<base::FileUtilProxy::Entry>& entries,
bool has_more) {
DCHECK(file_system_);
std::vector<WebFileSystemEntry> web_entries_vector;
for (std::vector<base::FileUtilProxy::Entry>::const_iterator it =
entries.begin(); it != entries.end(); ++it) {
WebFileSystemEntry entry;
entry.name = webkit_glue::FilePathStringToWebString(it->name);
entry.isDirectory = it->is_directory;
web_entries_vector.push_back(entry);
}
WebVector<WebKit::WebFileSystemEntry> web_entries =
web_entries_vector;
callbacks_->didReadDirectory(web_entries, has_more);
}
virtual void DidOpenFileSystem(
const std::string& name, const GURL& root) {
DCHECK(file_system_);
if (!root.is_valid())
callbacks_->didFail(WebKit::WebFileErrorSecurity);
else
callbacks_->didOpenFileSystem(WebString::fromUTF8(name), root);
}
virtual void DidFail(base::PlatformFileError error_code) {
DCHECK(file_system_);
callbacks_->didFail(
webkit_glue::PlatformFileErrorToWebFileError(error_code));
}
virtual void DidWrite(int64, bool) {
NOTREACHED();
}
private:
WeakPtr<BrowserFileSystem> file_system_;
WebFileSystemCallbacks* callbacks_;
};
} // namespace
BrowserFileSystem::BrowserFileSystem() {
}
BrowserFileSystem::~BrowserFileSystem() {
}
void BrowserFileSystem::CreateContext() {
if (file_system_context_.get())
return;
if (file_system_dir_.CreateUniqueTempDir()) {
file_system_context_ = new FileSystemContext(
CefThread::GetMessageLoopProxyForThread(CefThread::FILE),
CefThread::GetMessageLoopProxyForThread(CefThread::IO),
NULL /* special storage policy */,
NULL /* quota manager */,
file_system_dir_.path(),
false /* incognito */,
true /* allow_file_access */,
NULL);
} else {
LOG(WARNING) << "Failed to create a temp dir for the filesystem."
"FileSystem feature will be disabled.";
}
}
void BrowserFileSystem::OpenFileSystem(
WebFrame* frame, WebFileSystem::Type web_filesystem_type,
long long, bool create,
WebFileSystemCallbacks* callbacks) {
if (!frame || !file_system_context_.get()) {
// The FileSystem temp directory was not initialized successfully.
callbacks->didFail(WebKit::WebFileErrorSecurity);
return;
}
fileapi::FileSystemType type;
if (web_filesystem_type == WebFileSystem::TypeTemporary)
type = fileapi::kFileSystemTypeTemporary;
else if (web_filesystem_type == WebFileSystem::TypePersistent)
type = fileapi::kFileSystemTypePersistent;
else if (web_filesystem_type == WebFileSystem::TypeExternal)
type = fileapi::kFileSystemTypeExternal;
else {
// Unknown type filesystem is requested.
callbacks->didFail(WebKit::WebFileErrorSecurity);
return;
}
GURL origin_url(frame->document().securityOrigin().toString());
GetNewOperation(callbacks)->OpenFileSystem(origin_url, type, create);
}
void BrowserFileSystem::move(
const WebURL& src_path,
const WebURL& dest_path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->Move(GURL(src_path), GURL(dest_path));
}
void BrowserFileSystem::copy(
const WebURL& src_path, const WebURL& dest_path,
WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->Copy(GURL(src_path), GURL(dest_path));
}
void BrowserFileSystem::remove(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->Remove(path, false /* recursive */);
}
void BrowserFileSystem::removeRecursively(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->Remove(path, true /* recursive */);
}
void BrowserFileSystem::readMetadata(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->GetMetadata(path);
}
void BrowserFileSystem::createFile(
const WebURL& path, bool exclusive, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->CreateFile(path, exclusive);
}
void BrowserFileSystem::createDirectory(
const WebURL& path, bool exclusive, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->CreateDirectory(path, exclusive, false);
}
void BrowserFileSystem::fileExists(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->FileExists(path);
}
void BrowserFileSystem::directoryExists(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->DirectoryExists(path);
}
void BrowserFileSystem::readDirectory(
const WebURL& path, WebFileSystemCallbacks* callbacks) {
GetNewOperation(callbacks)->ReadDirectory(path);
}
WebFileWriter* BrowserFileSystem::createFileWriter(
const WebURL& path, WebFileWriterClient* client) {
return new BrowserFileWriter(path, client, file_system_context_.get());
}
FileSystemOperation* BrowserFileSystem::GetNewOperation(
WebFileSystemCallbacks* callbacks) {
BrowserFileSystemCallbackDispatcher* dispatcher =
new BrowserFileSystemCallbackDispatcher(AsWeakPtr(), callbacks);
FileSystemOperation* operation = new FileSystemOperation(
dispatcher, base::MessageLoopProxy::current(),
file_system_context_.get());
return operation;
}