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      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/invalidations_message_handler.h"
      6 
      7 #include "base/bind.h"
      8 #include "chrome/browser/invalidation/profile_invalidation_provider_factory.h"
      9 #include "chrome/browser/profiles/profile.h"
     10 #include "components/invalidation/invalidation_handler.h"
     11 #include "components/invalidation/invalidation_logger.h"
     12 #include "components/invalidation/invalidation_service.h"
     13 #include "components/invalidation/profile_invalidation_provider.h"
     14 #include "content/public/browser/web_ui.h"
     15 
     16 namespace invalidation {
     17 class InvalidationLogger;
     18 }  // namespace invalidation
     19 
     20 namespace syncer {
     21 class ObjectIdInvalidationMap;
     22 }  // namespace syncer
     23 
     24 InvalidationsMessageHandler::InvalidationsMessageHandler()
     25     : logger_(NULL), weak_ptr_factory_(this) {}
     26 
     27 InvalidationsMessageHandler::~InvalidationsMessageHandler() {
     28   if (logger_)
     29     logger_->UnregisterObserver(this);
     30 }
     31 
     32 void InvalidationsMessageHandler::RegisterMessages() {
     33   web_ui()->RegisterMessageCallback(
     34       "doneLoading",
     35       base::Bind(&InvalidationsMessageHandler::UIReady,
     36                  base::Unretained(this)));
     37   web_ui()->RegisterMessageCallback(
     38       "requestDetailedStatus",
     39       base::Bind(&InvalidationsMessageHandler::HandleRequestDetailedStatus,
     40                  base::Unretained(this)));
     41 }
     42 
     43 void InvalidationsMessageHandler::UIReady(const base::ListValue* args) {
     44   invalidation::ProfileInvalidationProvider* invalidation_provider =
     45       invalidation::ProfileInvalidationProviderFactory::GetForProfile(
     46           Profile::FromWebUI(web_ui()));
     47   if (invalidation_provider) {
     48     logger_ = invalidation_provider->GetInvalidationService()->
     49         GetInvalidationLogger();
     50   }
     51   if (logger_ && !logger_->IsObserverRegistered(this))
     52     logger_->RegisterObserver(this);
     53   UpdateContent(args);
     54 }
     55 
     56 void InvalidationsMessageHandler::HandleRequestDetailedStatus(
     57     const base::ListValue* args) {
     58   invalidation::ProfileInvalidationProvider* invalidation_provider =
     59       invalidation::ProfileInvalidationProviderFactory::GetForProfile(
     60           Profile::FromWebUI(web_ui()));
     61   if (invalidation_provider) {
     62     invalidation_provider->GetInvalidationService()->RequestDetailedStatus(
     63         base::Bind(&InvalidationsMessageHandler::OnDetailedStatus,
     64                    weak_ptr_factory_.GetWeakPtr()));
     65   }
     66 }
     67 
     68 void InvalidationsMessageHandler::UpdateContent(const base::ListValue* args) {
     69   if (logger_)
     70     logger_->EmitContent();
     71 }
     72 
     73 void InvalidationsMessageHandler::OnRegistrationChange(
     74     const std::multiset<std::string>& registered_handlers) {
     75   base::ListValue list_of_handlers;
     76   for (std::multiset<std::string>::const_iterator it =
     77        registered_handlers.begin();
     78        it != registered_handlers.end(); ++it) {
     79     list_of_handlers.Append(new base::StringValue(*it));
     80   }
     81   web_ui()->CallJavascriptFunction("chrome.invalidations.updateHandlers",
     82                                    list_of_handlers);
     83 }
     84 
     85 void InvalidationsMessageHandler::OnStateChange(
     86     const syncer::InvalidatorState& new_state,
     87     const base::Time& last_changed_timestamp) {
     88   std::string state(syncer::InvalidatorStateToString(new_state));
     89   web_ui()->CallJavascriptFunction(
     90       "chrome.invalidations.updateInvalidatorState", base::StringValue(state),
     91       base::FundamentalValue(last_changed_timestamp.ToJsTime()));
     92 }
     93 
     94 void InvalidationsMessageHandler::OnUpdateIds(
     95     const std::string& handler_name,
     96     const syncer::ObjectIdCountMap& ids) {
     97   base::ListValue list_of_objects;
     98   for (syncer::ObjectIdCountMap::const_iterator it = ids.begin();
     99        it != ids.end();
    100        ++it) {
    101     scoped_ptr<base::DictionaryValue> dic(new base::DictionaryValue());
    102     dic->SetString("name", (it->first).name());
    103     dic->SetInteger("source", (it->first).source());
    104     dic->SetInteger("totalCount", it->second);
    105     list_of_objects.Append(dic.release());
    106   }
    107   web_ui()->CallJavascriptFunction("chrome.invalidations.updateIds",
    108                                    base::StringValue(handler_name),
    109                                    list_of_objects);
    110 }
    111 void InvalidationsMessageHandler::OnDebugMessage(
    112     const base::DictionaryValue& details) {}
    113 
    114 void InvalidationsMessageHandler::OnInvalidation(
    115     const syncer::ObjectIdInvalidationMap& new_invalidations) {
    116   scoped_ptr<base::ListValue> invalidations_list = new_invalidations.ToValue();
    117   web_ui()->CallJavascriptFunction("chrome.invalidations.logInvalidations",
    118                                    *invalidations_list);
    119 }
    120 
    121 void InvalidationsMessageHandler::OnDetailedStatus(
    122     const base::DictionaryValue& network_details) {
    123   web_ui()->CallJavascriptFunction("chrome.invalidations.updateDetailedStatus",
    124                                    network_details);
    125 }
    126