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// Copyright 2015 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 "ios/chrome/browser/sync/sessions/ios_chrome_local_session_event_router.h"
#include <stddef.h>
#include "base/logging.h"
#include "components/history/core/browser/history_service.h"
#include "components/keyed_service/core/service_access_type.h"
#include "components/sync_sessions/sync_sessions_client.h"
#include "components/sync_sessions/synced_tab_delegate.h"
#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
#include "ios/chrome/browser/history/history_service_factory.h"
#include "ios/chrome/browser/sync/glue/sync_start_util.h"
#include "ios/chrome/browser/sync/ios_chrome_synced_tab_delegate.h"
#include "ios/chrome/browser/tab_parenting_global_observer.h"
namespace {
browser_sync::SyncedTabDelegate* GetSyncedTabDelegateFromWebState(
web::WebState* web_state) {
browser_sync::SyncedTabDelegate* delegate =
IOSChromeSyncedTabDelegate::FromWebState(web_state);
return delegate;
}
} // namespace
IOSChromeLocalSessionEventRouter::IOSChromeLocalSessionEventRouter(
ios::ChromeBrowserState* browser_state,
sync_sessions::SyncSessionsClient* sessions_client,
const syncer::SyncableService::StartSyncFlare& flare)
: handler_(NULL),
browser_state_(browser_state),
sessions_client_(sessions_client),
flare_(flare) {
tab_parented_subscription_ =
TabParentingGlobalObserver::GetInstance()->RegisterCallback(
base::Bind(&IOSChromeLocalSessionEventRouter::OnTabParented,
base::Unretained(this)));
history::HistoryService* history_service =
ios::HistoryServiceFactory::GetForBrowserState(
browser_state, ServiceAccessType::EXPLICIT_ACCESS);
if (history_service) {
favicon_changed_subscription_ = history_service->AddFaviconsChangedCallback(
base::Bind(&IOSChromeLocalSessionEventRouter::OnFaviconsChanged,
base::Unretained(this)));
}
}
IOSChromeLocalSessionEventRouter::~IOSChromeLocalSessionEventRouter() {}
void IOSChromeLocalSessionEventRouter::NavigationItemsPruned(
web::WebState* web_state,
size_t pruned_item_count) {
OnWebStateChange(web_state);
}
void IOSChromeLocalSessionEventRouter::NavigationItemChanged(
web::WebState* web_state) {
OnWebStateChange(web_state);
}
void IOSChromeLocalSessionEventRouter::NavigationItemCommitted(
web::WebState* web_state,
const web::LoadCommittedDetails& load_details) {
OnWebStateChange(web_state);
}
void IOSChromeLocalSessionEventRouter::PageLoaded(
web::WebState* web_state,
web::PageLoadCompletionStatus load_completion_status) {
OnWebStateChange(web_state);
}
void IOSChromeLocalSessionEventRouter::WebStateDestroyed(
web::WebState* web_state) {
OnWebStateChange(web_state);
}
void IOSChromeLocalSessionEventRouter::OnTabParented(web::WebState* web_state) {
OnWebStateChange(web_state);
}
void IOSChromeLocalSessionEventRouter::OnWebStateChange(
web::WebState* web_state) {
if (web_state->GetBrowserState() != browser_state_)
return;
browser_sync::SyncedTabDelegate* tab =
GetSyncedTabDelegateFromWebState(web_state);
if (!tab)
return;
if (handler_)
handler_->OnLocalTabModified(tab);
if (!tab->ShouldSync(sessions_client_))
return;
if (!flare_.is_null()) {
flare_.Run(syncer::SESSIONS);
flare_.Reset();
}
}
void IOSChromeLocalSessionEventRouter::OnFaviconsChanged(
const std::set<GURL>& page_urls,
const GURL& icon_url) {
if (handler_)
handler_->OnFaviconsChanged(page_urls, icon_url);
}
void IOSChromeLocalSessionEventRouter::StartRoutingTo(
browser_sync::LocalSessionEventHandler* handler) {
DCHECK(!handler_);
handler_ = handler;
}
void IOSChromeLocalSessionEventRouter::Stop() {
handler_ = nullptr;
}
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