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// Copyright 2014 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/browser/ui/webui/sync_internals_message_handler.h"
#include <vector>
#include "base/logging.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/sync/about_sync_util.h"
#include "chrome/browser/sync/profile_sync_service.h"
#include "chrome/browser/sync/profile_sync_service_factory.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_ui.h"
#include "sync/internal_api/public/events/protocol_event.h"
#include "sync/internal_api/public/sessions/commit_counters.h"
#include "sync/internal_api/public/sessions/status_counters.h"
#include "sync/internal_api/public/sessions/update_counters.h"
#include "sync/internal_api/public/util/weak_handle.h"
#include "sync/js/js_event_details.h"
using syncer::JsEventDetails;
using syncer::ModelTypeSet;
using syncer::WeakHandle;
SyncInternalsMessageHandler::SyncInternalsMessageHandler()
: is_registered_(false),
is_registered_for_counters_(false),
weak_ptr_factory_(this) {
}
SyncInternalsMessageHandler::~SyncInternalsMessageHandler() {
if (js_controller_)
js_controller_->RemoveJsEventHandler(this);
ProfileSyncService* service = GetProfileSyncService();
if (service && service->HasObserver(this)) {
service->RemoveObserver(this);
service->RemoveProtocolEventObserver(this);
}
if (service && is_registered_for_counters_) {
service->RemoveTypeDebugInfoObserver(this);
}
}
void SyncInternalsMessageHandler::RegisterMessages() {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
web_ui()->RegisterMessageCallback(
"registerForEvents",
base::Bind(&SyncInternalsMessageHandler::HandleRegisterForEvents,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"registerForPerTypeCounters",
base::Bind(&SyncInternalsMessageHandler::HandleRegisterForPerTypeCounters,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"requestUpdatedAboutInfo",
base::Bind(&SyncInternalsMessageHandler::HandleRequestUpdatedAboutInfo,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"requestListOfTypes",
base::Bind(&SyncInternalsMessageHandler::HandleRequestListOfTypes,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"getAllNodes",
base::Bind(&SyncInternalsMessageHandler::HandleGetAllNodes,
base::Unretained(this)));
}
void SyncInternalsMessageHandler::HandleRegisterForEvents(
const base::ListValue* args) {
DCHECK(args->empty());
// is_registered_ flag protects us from double-registering. This could
// happen on a page refresh, where the JavaScript gets re-run but the
// message handler remains unchanged.
ProfileSyncService* service = GetProfileSyncService();
if (service && !is_registered_) {
service->AddObserver(this);
service->AddProtocolEventObserver(this);
js_controller_ = service->GetJsController();
js_controller_->AddJsEventHandler(this);
is_registered_ = true;
}
}
void SyncInternalsMessageHandler::HandleRegisterForPerTypeCounters(
const base::ListValue* args) {
DCHECK(args->empty());
if (ProfileSyncService* service = GetProfileSyncService()) {
if (!is_registered_for_counters_) {
service->AddTypeDebugInfoObserver(this);
is_registered_for_counters_ = true;
} else {
// Re-register to ensure counters get re-emitted.
service->RemoveTypeDebugInfoObserver(this);
service->AddTypeDebugInfoObserver(this);
}
}
}
void SyncInternalsMessageHandler::HandleRequestUpdatedAboutInfo(
const base::ListValue* args) {
DCHECK(args->empty());
SendAboutInfo();
}
void SyncInternalsMessageHandler::HandleRequestListOfTypes(
const base::ListValue* args) {
DCHECK(args->empty());
base::DictionaryValue event_details;
scoped_ptr<base::ListValue> type_list(new base::ListValue());
ModelTypeSet protocol_types = syncer::ProtocolTypes();
for (ModelTypeSet::Iterator it = protocol_types.First();
it.Good(); it.Inc()) {
type_list->Append(new base::StringValue(ModelTypeToString(it.Get())));
}
event_details.Set("types", type_list.release());
web_ui()->CallJavascriptFunction(
"chrome.sync.dispatchEvent",
base::StringValue("onReceivedListOfTypes"),
event_details);
}
void SyncInternalsMessageHandler::HandleGetAllNodes(
const base::ListValue* args) {
DCHECK_EQ(1U, args->GetSize());
int request_id = 0;
bool success = args->GetInteger(0, &request_id);
DCHECK(success);
ProfileSyncService* service = GetProfileSyncService();
if (service) {
service->GetAllNodes(
base::Bind(&SyncInternalsMessageHandler::OnReceivedAllNodes,
weak_ptr_factory_.GetWeakPtr(), request_id));
}
}
void SyncInternalsMessageHandler::OnReceivedAllNodes(
int request_id,
scoped_ptr<base::ListValue> nodes) {
base::FundamentalValue id(request_id);
web_ui()->CallJavascriptFunction("chrome.sync.getAllNodesCallback",
id, *nodes);
}
void SyncInternalsMessageHandler::OnStateChanged() {
SendAboutInfo();
}
void SyncInternalsMessageHandler::OnProtocolEvent(
const syncer::ProtocolEvent& event) {
scoped_ptr<base::DictionaryValue> value(
syncer::ProtocolEvent::ToValue(event));
web_ui()->CallJavascriptFunction(
"chrome.sync.dispatchEvent",
base::StringValue("onProtocolEvent"),
*value);
}
void SyncInternalsMessageHandler::OnCommitCountersUpdated(
syncer::ModelType type,
const syncer::CommitCounters& counters) {
EmitCounterUpdate(type, "commit", counters.ToValue());
}
void SyncInternalsMessageHandler::OnUpdateCountersUpdated(
syncer::ModelType type,
const syncer::UpdateCounters& counters) {
EmitCounterUpdate(type, "update", counters.ToValue());
}
void SyncInternalsMessageHandler::OnStatusCountersUpdated(
syncer::ModelType type,
const syncer::StatusCounters& counters) {
EmitCounterUpdate(type, "status", counters.ToValue());
}
void SyncInternalsMessageHandler::EmitCounterUpdate(
syncer::ModelType type,
const std::string& counter_type,
scoped_ptr<base::DictionaryValue> value) {
scoped_ptr<base::DictionaryValue> details(new base::DictionaryValue());
details->SetString("modelType", ModelTypeToString(type));
details->SetString("counterType", counter_type);
details->Set("counters", value.release());
web_ui()->CallJavascriptFunction("chrome.sync.dispatchEvent",
base::StringValue("onCountersUpdated"),
*details);
}
void SyncInternalsMessageHandler::HandleJsEvent(
const std::string& name,
const JsEventDetails& details) {
DVLOG(1) << "Handling event: " << name
<< " with details " << details.ToString();
web_ui()->CallJavascriptFunction("chrome.sync.dispatchEvent",
base::StringValue(name),
details.Get());
}
void SyncInternalsMessageHandler::SendAboutInfo() {
scoped_ptr<base::DictionaryValue> value =
sync_ui_util::ConstructAboutInformation(GetProfileSyncService());
web_ui()->CallJavascriptFunction(
"chrome.sync.dispatchEvent",
base::StringValue("onAboutInfoUpdated"),
*value);
}
// Gets the ProfileSyncService of the underlying original profile.
// May return NULL (e.g., if sync is disabled on the command line).
ProfileSyncService* SyncInternalsMessageHandler::GetProfileSyncService() {
Profile* profile = Profile::FromWebUI(web_ui());
return ProfileSyncServiceFactory::GetForProfile(
profile->GetOriginalProfile());
}
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