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/browser_thread.h"
  15 #include "content/public/browser/web_ui.h"
  16 #include "sync/internal_api/public/util/weak_handle.h"
  17 #include "sync/js/js_arg_list.h"
  18 #include "sync/js/js_event_details.h"
  19
  20 using syncer::JsArgList;
  21 using syncer::JsEventDetails;
  22 using syncer::JsReplyHandler;
  23 using syncer::ModelTypeSet;
  24 using syncer::WeakHandle;
  25
  26 SyncInternalsMessageHandler::SyncInternalsMessageHandler()
  27     : weak_ptr_factory_(this) {}
  28
  29 SyncInternalsMessageHandler::~SyncInternalsMessageHandler() {
  30   if (js_controller_)
  31     js_controller_->RemoveJsEventHandler(this);
  32 }
  33
  34 void SyncInternalsMessageHandler::RegisterMessages() {
  35   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
  36
  37   // Init our link to the JsController.
  38   ProfileSyncService* service = GetProfileSyncService();
  39   if (service)
  40     js_controller_ = service->GetJsController();
  41   if (js_controller_)
  42     js_controller_->AddJsEventHandler(this);
  43
  44   web_ui()->RegisterMessageCallback(
  45       "getAboutInfo",
  46       base::Bind(&SyncInternalsMessageHandler::OnGetAboutInfo,
  47                  base::Unretained(this)));
  48
  49   web_ui()->RegisterMessageCallback(
  50       "getListOfTypes",
  51       base::Bind(&SyncInternalsMessageHandler::OnGetListOfTypes,
  52                  base::Unretained(this)));
  53
  54   RegisterJsControllerCallback("getNotificationState");
  55   RegisterJsControllerCallback("getNotificationInfo");
  56   RegisterJsControllerCallback("getAllNodes");
  57   RegisterJsControllerCallback("getClientServerTraffic");
  58 }
  59
  60 void SyncInternalsMessageHandler::OnGetAboutInfo(const base::ListValue* args) {
  61   // TODO(rlarocque): We should DCHECK(!args) here.  See crbug.com/334431.
  62   scoped_ptr<base::DictionaryValue> value =
  63       sync_ui_util::ConstructAboutInformation(GetProfileSyncService());
  64   web_ui()->CallJavascriptFunction(
  65       "chrome.sync.getAboutInfo.handleReply",
  66       *value);
  67 }
  68
  69 void SyncInternalsMessageHandler::OnGetListOfTypes(
  70     const base::ListValue* args) {
  71   // TODO(rlarocque): We should DCHECK(!args) here.  See crbug.com/334431.
  72   base::ListValue type_list;
  73   ModelTypeSet protocol_types = syncer::ProtocolTypes();
  74   for (ModelTypeSet::Iterator it = protocol_types.First();
  75        it.Good(); it.Inc()) {
  76     type_list.Append(new base::StringValue(ModelTypeToString(it.Get())));
  77   }
  78   web_ui()->CallJavascriptFunction(
  79       "chrome.sync.getListOfTypes.handleReply",
  80       type_list);
  81 }
  82
  83 void SyncInternalsMessageHandler::HandleJsReply(
  84     const std::string& name, const JsArgList& args) {
  85   DVLOG(1) << "Handling reply for " << name << " message"
  86            << " with args " << args.ToString();
  87   const std::string& reply_handler = "chrome.sync." + name + ".handleReply";
  88   std::vector<const base::Value*> arg_list(args.Get().begin(),
  89                                            args.Get().end());
  90   web_ui()->CallJavascriptFunction(reply_handler, arg_list);
  91 }
  92
  93 void SyncInternalsMessageHandler::HandleJsEvent(
  94     const std::string& name,
  95     const JsEventDetails& details) {
  96   DVLOG(1) << "Handling event: " << name
  97            << " with details " << details.ToString();
  98   web_ui()->CallJavascriptFunction("chrome.sync.dispatchEvent",
  99                                    base::StringValue(name),
 100                                    details.Get());
 101 }
 102
 103 void SyncInternalsMessageHandler::RegisterJsControllerCallback(
 104     const std::string& name) {
 105   web_ui()->RegisterMessageCallback(
 106       name,
 107       base::Bind(&SyncInternalsMessageHandler::ForwardToJsController,
 108                  base::Unretained(this),
 109                  name));
 110 }
 111
 112 void SyncInternalsMessageHandler::ForwardToJsController(
 113     const std::string& name,
 114     const base::ListValue* args) {
 115   if (js_controller_) {
 116     scoped_ptr<base::ListValue> args_copy(args->DeepCopy());
 117     JsArgList js_arg_list(args_copy.get());
 118     js_controller_->ProcessJsMessage(
 119         name, js_arg_list,
 120         MakeWeakHandle(weak_ptr_factory_.GetWeakPtr()));
 121   } else {
 122     DLOG(WARNING) << "No sync service; dropping message " << name;
 123   }
 124 }
 125
 126 // Gets the ProfileSyncService of the underlying original profile.
 127 // May return NULL (e.g., if sync is disabled on the command line).
 128 ProfileSyncService* SyncInternalsMessageHandler::GetProfileSyncService() {
 129   Profile* profile = Profile::FromWebUI(web_ui());
 130   ProfileSyncServiceFactory* factory = ProfileSyncServiceFactory::GetInstance();
 131   return factory->GetForProfile(profile->GetOriginalProfile());
 132 }
 133