blob: 3bd521bc35a2b2e974149e0143cb2fb5d2859273 [file] [log] [blame]
// Copyright 2013 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 <stdint.h>
#include <map>
#include "base/callback.h"
#include "base/macros.h"
#include "ipc/ipc_platform_file.h"
#include "ipc/message_filter.h"
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/private/pp_file_handle.h"
namespace base {
class SingleThreadTaskRunner;
namespace nacl {
struct PnaclCacheInfo;
// A class to keep track of requests made to the browser for resources that the
// PNaCl translator needs (e.g. descriptors for the translator nexes, temp
// files, and cached translations).
// "Resource" might not be the best name for the various things that pnacl
// needs from the browser since "Resource" is a Pepper thing...
class PnaclTranslationResourceHost : public IPC::MessageFilter {
typedef base::Callback<void(int32_t, bool, PP_FileHandle)>
explicit PnaclTranslationResourceHost(
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner);
void RequestNexeFd(int render_view_id,
PP_Instance instance,
const nacl::PnaclCacheInfo& cache_info,
RequestNexeFdCallback callback);
void ReportTranslationFinished(PP_Instance instance, PP_Bool success);
~PnaclTranslationResourceHost() override;
// Maps the instance with an outstanding cache request to the info
// about that request.
typedef std::map<PP_Instance, RequestNexeFdCallback> CacheRequestInfoMap;
// IPC::MessageFilter implementation.
bool OnMessageReceived(const IPC::Message& message) override;
void OnFilterAdded(IPC::Channel* channel) override;
void OnFilterRemoved() override;
void OnChannelClosing() override;
void SendRequestNexeFd(int render_view_id,
PP_Instance instance,
const nacl::PnaclCacheInfo& cache_info,
RequestNexeFdCallback callback);
void SendReportTranslationFinished(PP_Instance instance,
PP_Bool success);
void OnNexeTempFileReply(PP_Instance instance,
bool is_hit,
IPC::PlatformFileForTransit file);
void CleanupCacheRequests();
scoped_refptr<base::SingleThreadTaskRunner> io_task_runner_;
// Should be accessed on the io thread.
IPC::Sender* sender_;
CacheRequestInfoMap pending_cache_requests_;