chrome/browser/ui/webui/sync_internals_message_handler.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/ui/webui/sync_internals_message_handler.h"
   6
   7 #include <vector>
   8
   9 #include "base/logging.h"
  10 #include "chrome/browser/profiles/profile.h"
  11 #include "chrome/browser/sync/about_sync_util.h"
  12 #include "chrome/browser/sync/profile_sync_service.h"
  13 #include "chrome/browser/sync/profile_sync_service_factory.h"
  14 #include "content/public/browser/web_ui.h"
  15 #include "sync/internal_api/public/util/weak_handle.h"
  16 #include "sync/js/js_arg_list.h"
  17 #include "sync/js/js_event_details.h"
  18
  19 using syncer::JsArgList;
  20 using syncer::JsEventDetails;
  21 using syncer::JsReplyHandler;
  22 using syncer::ModelTypeSet;
  23 using syncer::WeakHandle;
  24
  25 SyncInternalsMessageHandler::SyncInternalsMessageHandler()
  26     : weak_ptr_factory_(this) {}
  27
  28 SyncInternalsMessageHandler::~SyncInternalsMessageHandler() {
  29   if (js_controller_)
  30     js_controller_->RemoveJsEventHandler(this);
  31 }
  32
  33 void SyncInternalsMessageHandler::RegisterMessages() {
  34   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
  35
  36   // Init our link to the JsController.
  37   ProfileSyncService* service = GetProfileSyncService();
  38   if (service)
  39     js_controller_ = service->GetJsController();
  40   if (js_controller_)
  41     js_controller_->AddJsEventHandler(this);
  42
  43   web_ui()->RegisterMessageCallback(
  44       "getAboutInfo",
  45       base::Bind(&SyncInternalsMessageHandler::OnGetAboutInfo,
  46                  base::Unretained(this)));
  47
  48   web_ui()->RegisterMessageCallback(
  49       "getListOfTypes",
  50       base::Bind(&SyncInternalsMessageHandler::OnGetListOfTypes,
  51                  base::Unretained(this)));
  52
  53   RegisterJsControllerCallback("getNotificationState");
  54   RegisterJsControllerCallback("getNotificationInfo");
  55   RegisterJsControllerCallback("getAllNodes");
  56   RegisterJsControllerCallback("getClientServerTraffic");
  57 }
  58
  59 void SyncInternalsMessageHandler::OnGetAboutInfo(const base::ListValue* args) {
  60   // TODO(rlarocque): We should DCHECK(!args) here.  See crbug.com/334431.
  61   scoped_ptr<base::DictionaryValue> value =
  62       sync_ui_util::ConstructAboutInformation(GetProfileSyncService());
  63   web_ui()->CallJavascriptFunction(
  64       "chrome.sync.getAboutInfo.handleReply",
  65       *value);
  66 }
  67
  68 void SyncInternalsMessageHandler::OnGetListOfTypes(
  69     const base::ListValue* args) {
  70   // TODO(rlarocque): We should DCHECK(!args) here.  See crbug.com/334431.
  71   base::ListValue type_list;
  72   ModelTypeSet protocol_types = syncer::ProtocolTypes();
  73   for (ModelTypeSet::Iterator it = protocol_types.First();
  74        it.Good(); it.Inc()) {
  75     type_list.Append(new base::StringValue(ModelTypeToString(it.Get())));
  76   }
  77   web_ui()->CallJavascriptFunction(
  78       "chrome.sync.getListOfTypes.handleReply",
  79       type_list);
  80 }
  81
  82 void SyncInternalsMessageHandler::HandleJsReply(
  83     const std::string& name, const JsArgList& args) {
  84   DVLOG(1) << "Handling reply for " << name << " message"
  85            << " with args " << args.ToString();
  86   const std::string& reply_handler = "chrome.sync." + name + ".handleReply";
  87   std::vector<const base::Value*> arg_list(args.Get().begin(),
  88                                            args.Get().end());
  89   web_ui()->CallJavascriptFunction(reply_handler, arg_list);
  90 }
  91
  92 void SyncInternalsMessageHandler::HandleJsEvent(
  93     const std::string& name,
  94     const JsEventDetails& details) {
  95   DVLOG(1) << "Handling event: " << name
  96            << " with details " << details.ToString();
  97   const std::string& event_handler = "chrome.sync." + name + ".fire";
  98   std::vector<const base::Value*> arg_list(1, &details.Get());
  99   web_ui()->CallJavascriptFunction(event_handler, arg_list);
 100 }
 101
 102 void SyncInternalsMessageHandler::RegisterJsControllerCallback(
 103     const std::string& name) {
 104   web_ui()->RegisterMessageCallback(
 105       name,
 106       base::Bind(&SyncInternalsMessageHandler::ForwardToJsController,
 107                  base::Unretained(this),
 108                  name));
 109 }
 110
 111 void SyncInternalsMessageHandler::ForwardToJsController(
 112     const std::string& name,
 113     const base::ListValue* args) {
 114   if (js_controller_) {
 115     scoped_ptr<base::ListValue> args_copy(args->DeepCopy());
 116     JsArgList js_arg_list(args_copy.get());
 117     js_controller_->ProcessJsMessage(
 118         name, js_arg_list,
 119         MakeWeakHandle(weak_ptr_factory_.GetWeakPtr()));
 120   } else {
 121     DLOG(WARNING) << "No sync service; dropping message " << name;
 122   }
 123 }
 124
 125 // Gets the ProfileSyncService of the underlying original profile.
 126 // May return NULL (e.g., if sync is disabled on the command line).
 127 ProfileSyncService* SyncInternalsMessageHandler::GetProfileSyncService() {
 128   Profile* profile = Profile::FromWebUI(web_ui());
 129   ProfileSyncServiceFactory* factory = ProfileSyncServiceFactory::GetInstance();
 130   return factory->GetForProfile(profile->GetOriginalProfile());
 131 }
 132