Continue removing bad dependency of chrome/common on chrome/browser...

chrome/common/appcache/appcache_dispatcher_host.cc

-// Copyright (c) 2009 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/appcache/appcache_dispatcher_host.h"
-
-#include "base/callback.h"
-#include "chrome/browser/renderer_host/browser_render_process_host.h"
-// TODO(eroman): uh oh, depending on stuff outside of common/
-#include "chrome/browser/net/chrome_url_request_context.h"
-#include "chrome/common/appcache/chrome_appcache_service.h"
-#include "chrome/common/render_messages.h"
-
-AppCacheDispatcherHost::AppCacheDispatcherHost(
-    URLRequestContextGetter* request_context_getter)
-        : request_context_getter_(request_context_getter),
-          process_handle_(0) {
-  DCHECK(request_context_getter_.get());
-}
-
-void AppCacheDispatcherHost::Initialize(IPC::Message::Sender* sender,
-    int process_id, base::ProcessHandle process_handle) {
-  DCHECK(sender);
-  DCHECK(process_handle && !process_handle_);
-  DCHECK(request_context_getter_.get());
-
-  process_handle_ = process_handle;
-
-  // Get the AppCacheService (it can only be accessed from IO thread).
-  URLRequestContext* context = request_context_getter_->GetURLRequestContext();
-  appcache_service_ =
-      static_cast<ChromeURLRequestContext*>(context)->appcache_service();
-  request_context_getter_ = NULL;
-
-  frontend_proxy_.set_sender(sender);
-  if (appcache_service_.get()) {
-    backend_impl_.Initialize(
-        appcache_service_.get(), &frontend_proxy_, process_id);
-    get_status_callback_.reset(
-        NewCallback(this, &AppCacheDispatcherHost::GetStatusCallback));
-    start_update_callback_.reset(
-        NewCallback(this, &AppCacheDispatcherHost::StartUpdateCallback));
-    swap_cache_callback_.reset(
-        NewCallback(this, &AppCacheDispatcherHost::SwapCacheCallback));
-  }
-}
-
-bool AppCacheDispatcherHost::OnMessageReceived(const IPC::Message& msg,
-                                               bool *msg_ok) {
-  DCHECK(process_handle_);
-  *msg_ok = true;
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP_EX(AppCacheDispatcherHost, msg, *msg_ok)
-    IPC_MESSAGE_HANDLER(AppCacheMsg_RegisterHost, OnRegisterHost);
-    IPC_MESSAGE_HANDLER(AppCacheMsg_UnregisterHost, OnUnregisterHost);
-    IPC_MESSAGE_HANDLER(AppCacheMsg_SelectCache, OnSelectCache);
-    IPC_MESSAGE_HANDLER(AppCacheMsg_MarkAsForeignEntry, OnMarkAsForeignEntry);
-    IPC_MESSAGE_HANDLER_DELAY_REPLY(AppCacheMsg_GetStatus, OnGetStatus);
-    IPC_MESSAGE_HANDLER_DELAY_REPLY(AppCacheMsg_StartUpdate, OnStartUpdate);
-    IPC_MESSAGE_HANDLER_DELAY_REPLY(AppCacheMsg_SwapCache, OnSwapCache);
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP_EX()
-  return handled;
-}
-
-void AppCacheDispatcherHost::OnRegisterHost(int host_id) {
-  if (appcache_service_.get()) {
-    if (!backend_impl_.RegisterHost(host_id)) {
-      ReceivedBadMessage(AppCacheMsg_RegisterHost::ID);
-    }
-  }
-}
-
-void AppCacheDispatcherHost::OnUnregisterHost(int host_id) {
-  if (appcache_service_.get()) {
-    if (!backend_impl_.UnregisterHost(host_id)) {
-      ReceivedBadMessage(AppCacheMsg_UnregisterHost::ID);
-    }
-  }
-}
-
-void AppCacheDispatcherHost::OnSelectCache(
-    int host_id, const GURL& document_url,
-    int64 cache_document_was_loaded_from,
-    const GURL& opt_manifest_url) {
-  if (appcache_service_.get()) {
-    if (!backend_impl_.SelectCache(host_id, document_url,
-                                   cache_document_was_loaded_from,
-                                   opt_manifest_url)) {
-      ReceivedBadMessage(AppCacheMsg_SelectCache::ID);
-    }
-  } else {
-    frontend_proxy_.OnCacheSelected(
-        host_id, appcache::kNoCacheId, appcache::UNCACHED);
-  }
-}
-
-void AppCacheDispatcherHost::OnMarkAsForeignEntry(
-    int host_id, const GURL& document_url,
-    int64 cache_document_was_loaded_from) {
-  if (appcache_service_.get()) {
-    if (!backend_impl_.MarkAsForeignEntry(host_id, document_url,
-                                          cache_document_was_loaded_from)) {
-      ReceivedBadMessage(AppCacheMsg_MarkAsForeignEntry::ID);
-    }
-  }
-}
-
-void AppCacheDispatcherHost::OnGetStatus(int host_id,
-                                         IPC::Message* reply_msg) {
-  if (pending_reply_msg_.get()) {
-    ReceivedBadMessage(AppCacheMsg_GetStatus::ID);
-    delete reply_msg;
-    return;
-  }
-
-  pending_reply_msg_.reset(reply_msg);
-  if (appcache_service_.get()) {
-    if (!backend_impl_.GetStatusWithCallback(
-            host_id, get_status_callback_.get(), reply_msg)) {
-      ReceivedBadMessage(AppCacheMsg_GetStatus::ID);
-    }
-    return;
-  }
-
-  GetStatusCallback(appcache::UNCACHED, reply_msg);
-}
-
-void AppCacheDispatcherHost::OnStartUpdate(int host_id,
-                                           IPC::Message* reply_msg) {
-  if (pending_reply_msg_.get()) {
-    ReceivedBadMessage(AppCacheMsg_StartUpdate::ID);
-    delete reply_msg;
-    return;
-  }
-
-  pending_reply_msg_.reset(reply_msg);
-  if (appcache_service_.get()) {
-    if (!backend_impl_.StartUpdateWithCallback(
-            host_id, start_update_callback_.get(), reply_msg)) {
-      ReceivedBadMessage(AppCacheMsg_StartUpdate::ID);
-    }
-    return;
-  }
-
-  StartUpdateCallback(false, reply_msg);
-}
-
-void AppCacheDispatcherHost::OnSwapCache(int host_id,
-                                         IPC::Message* reply_msg) {
-  if (pending_reply_msg_.get()) {
-    ReceivedBadMessage(AppCacheMsg_SwapCache::ID);
-    delete reply_msg;
-    return;
-  }
-
-  pending_reply_msg_.reset(reply_msg);
-  if (appcache_service_.get()) {
-    if (!backend_impl_.SwapCacheWithCallback(
-            host_id, swap_cache_callback_.get(), reply_msg)) {
-      ReceivedBadMessage(AppCacheMsg_SwapCache::ID);
-    }
-    return;
-  }
-
-  SwapCacheCallback(false, reply_msg);
-}
-
-void AppCacheDispatcherHost::GetStatusCallback(
-    appcache::Status status, void* param) {
-  IPC::Message* reply_msg = reinterpret_cast<IPC::Message*>(param);
-  DCHECK(reply_msg == pending_reply_msg_.get());
-  AppCacheMsg_GetStatus::WriteReplyParams(reply_msg, status);
-  frontend_proxy_.sender()->Send(pending_reply_msg_.release());
-}
-
-void AppCacheDispatcherHost::StartUpdateCallback(bool result, void* param) {
-  IPC::Message* reply_msg = reinterpret_cast<IPC::Message*>(param);
-  DCHECK(reply_msg == pending_reply_msg_.get());
-  AppCacheMsg_StartUpdate::WriteReplyParams(reply_msg, result);
-  frontend_proxy_.sender()->Send(pending_reply_msg_.release());
-}
-
-void AppCacheDispatcherHost::SwapCacheCallback(bool result, void* param) {
-  IPC::Message* reply_msg = reinterpret_cast<IPC::Message*>(param);
-  DCHECK(reply_msg == pending_reply_msg_.get());
-  AppCacheMsg_SwapCache::WriteReplyParams(reply_msg, result);
-  frontend_proxy_.sender()->Send(pending_reply_msg_.release());
-}
-
-void AppCacheDispatcherHost::ReceivedBadMessage(uint32 msg_type) {
-  // TODO(michaeln): Consider gathering UMA stats
-  // http://code.google.com/p/chromium/issues/detail?id=24634
-  BrowserRenderProcessHost::BadMessageTerminateProcess(
-      msg_type, process_handle_);
-}