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// Copyright (c) 2010 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 "chrome/common/file_system/file_system_dispatcher.h"
#include "base/file_util.h"
#include "chrome/common/child_thread.h"
#include "chrome/common/render_messages.h"
#include "chrome/common/render_messages_params.h"
FileSystemDispatcher::FileSystemDispatcher() {
}
FileSystemDispatcher::~FileSystemDispatcher() {
// Make sure we fire all the remaining callbacks.
for (IDMap<fileapi::FileSystemCallbackDispatcher, IDMapOwnPointer>::iterator
iter(&dispatchers_); !iter.IsAtEnd(); iter.Advance()) {
int request_id = iter.GetCurrentKey();
fileapi::FileSystemCallbackDispatcher* dispatcher = iter.GetCurrentValue();
DCHECK(dispatcher);
dispatcher->DidFail(base::PLATFORM_FILE_ERROR_ABORT);
dispatchers_.Remove(request_id);
}
}
bool FileSystemDispatcher::OnMessageReceived(const IPC::Message& msg) {
bool handled = true;
IPC_BEGIN_MESSAGE_MAP(FileSystemDispatcher, msg)
IPC_MESSAGE_HANDLER(ViewMsg_OpenFileSystemRequest_Complete,
OnOpenFileSystemRequestComplete)
IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidSucceed, DidSucceed)
IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidReadDirectory, DidReadDirectory)
IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidReadMetadata, DidReadMetadata)
IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidFail, DidFail)
IPC_MESSAGE_HANDLER(ViewMsg_FileSystem_DidWrite, DidWrite)
IPC_MESSAGE_UNHANDLED(handled = false)
IPC_END_MESSAGE_MAP()
return handled;
}
void FileSystemDispatcher::OpenFileSystem(
const GURL& origin_url, fileapi::FileSystemType type,
long long size, fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
ChildThread::current()->Send(new ViewHostMsg_OpenFileSystemRequest(
request_id, origin_url, type, size));
}
bool FileSystemDispatcher::Move(
const FilePath& src_path,
const FilePath& dest_path,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(new ViewHostMsg_FileSystem_Move(
request_id, src_path, dest_path));
}
bool FileSystemDispatcher::Copy(
const FilePath& src_path,
const FilePath& dest_path,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(new ViewHostMsg_FileSystem_Copy(
request_id, src_path, dest_path));
}
bool FileSystemDispatcher::Remove(
const FilePath& path,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(
new ViewHostMsg_FileSystem_Remove(request_id, path));
}
bool FileSystemDispatcher::ReadMetadata(
const FilePath& path,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(
new ViewHostMsg_FileSystem_ReadMetadata(request_id, path));
}
bool FileSystemDispatcher::Create(
const FilePath& path,
bool exclusive,
bool is_directory,
bool recursive,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(new ViewHostMsg_FileSystem_Create(
request_id, path, exclusive, is_directory, recursive));
}
bool FileSystemDispatcher::Exists(
const FilePath& path,
bool is_directory,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(
new ViewHostMsg_FileSystem_Exists(request_id, path, is_directory));
}
bool FileSystemDispatcher::ReadDirectory(
const FilePath& path,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(
new ViewHostMsg_FileSystem_ReadDirectory(request_id, path));
}
bool FileSystemDispatcher::Truncate(
const FilePath& path,
int64 offset,
int* request_id_out,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
if (ChildThread::current()->Send(
new ViewHostMsg_FileSystem_Truncate(request_id, path, offset))) {
if (request_id_out)
*request_id_out = request_id;
return true;
}
return false;
}
bool FileSystemDispatcher::Write(
const FilePath& path,
const GURL& blob_url,
int64 offset,
int* request_id_out,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
if (ChildThread::current()->Send(
new ViewHostMsg_FileSystem_Write(
request_id, path, blob_url, offset))) {
if (request_id_out)
*request_id_out = request_id;
return true;
}
return false;
}
bool FileSystemDispatcher::Cancel(
int request_id_to_cancel,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(
new ViewHostMsg_FileSystem_CancelWrite(request_id, request_id_to_cancel));
}
bool FileSystemDispatcher::TouchFile(
const FilePath& path,
const base::Time& last_access_time,
const base::Time& last_modified_time,
fileapi::FileSystemCallbackDispatcher* dispatcher) {
int request_id = dispatchers_.Add(dispatcher);
return ChildThread::current()->Send(
new ViewHostMsg_FileSystem_TouchFile(
request_id, path, last_access_time, last_modified_time));
}
void FileSystemDispatcher::OnOpenFileSystemRequestComplete(
int request_id, bool accepted, const std::string& name,
const FilePath& root_path) {
fileapi::FileSystemCallbackDispatcher* dispatcher =
dispatchers_.Lookup(request_id);
DCHECK(dispatcher);
if (accepted)
dispatcher->DidOpenFileSystem(name, root_path);
else
dispatcher->DidFail(base::PLATFORM_FILE_ERROR_SECURITY);
dispatchers_.Remove(request_id);
}
void FileSystemDispatcher::DidSucceed(int request_id) {
fileapi::FileSystemCallbackDispatcher* dispatcher =
dispatchers_.Lookup(request_id);
DCHECK(dispatcher);
dispatcher->DidSucceed();
dispatchers_.Remove(request_id);
}
void FileSystemDispatcher::DidReadMetadata(
int request_id, const base::PlatformFileInfo& file_info) {
fileapi::FileSystemCallbackDispatcher* dispatcher =
dispatchers_.Lookup(request_id);
DCHECK(dispatcher);
dispatcher->DidReadMetadata(file_info);
dispatchers_.Remove(request_id);
}
void FileSystemDispatcher::DidReadDirectory(
int request_id,
const std::vector<base::file_util_proxy::Entry>& entries,
bool has_more) {
fileapi::FileSystemCallbackDispatcher* dispatcher =
dispatchers_.Lookup(request_id);
DCHECK(dispatcher);
dispatcher->DidReadDirectory(entries, has_more);
dispatchers_.Remove(request_id);
}
void FileSystemDispatcher::DidFail(
int request_id, base::PlatformFileError error_code) {
fileapi::FileSystemCallbackDispatcher* dispatcher =
dispatchers_.Lookup(request_id);
DCHECK(dispatcher);
dispatcher->DidFail(error_code);
dispatchers_.Remove(request_id);
}
void FileSystemDispatcher::DidWrite(
int request_id, int64 bytes, bool complete) {
fileapi::FileSystemCallbackDispatcher* dispatcher =
dispatchers_.Lookup(request_id);
DCHECK(dispatcher);
dispatcher->DidWrite(bytes, complete);
if (complete)
dispatchers_.Remove(request_id);
}
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