blob: a204394c37442e3be799b3a429084a42aea6511e [file] [log] [blame]
// Copyright 2017 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.
#import "ios/chrome/browser/tabs/legacy_tab_helper.h"
#import "ios/chrome/browser/tabs/tab.h"
#if !defined(__has_feature) || !__has_feature(objc_arc)
#error "This file requires ARC support."
#endif
// static
void LegacyTabHelper::CreateForWebState(web::WebState* web_state) {
CreateForWebStateInternal(web_state, nil);
}
// static
void LegacyTabHelper::CreateForWebStateForTesting(web::WebState* web_state,
Tab* tab) {
DCHECK(tab);
DCHECK(!FromWebState(web_state));
CreateForWebStateInternal(web_state, tab);
}
// static
Tab* LegacyTabHelper::GetTabForWebState(web::WebState* web_state) {
DCHECK(web_state);
LegacyTabHelper* tab_helper = LegacyTabHelper::FromWebState(web_state);
return tab_helper ? tab_helper->tab_ : nil;
}
LegacyTabHelper::LegacyTabHelper(web::WebState* web_state, Tab* tab)
: tab_(tab) {}
LegacyTabHelper::~LegacyTabHelper() = default;
// static
void LegacyTabHelper::CreateForWebStateInternal(web::WebState* web_state,
Tab* tab) {
DCHECK(web_state);
if (!FromWebState(web_state)) {
web_state->SetUserData(
UserDataKey(),
std::unique_ptr<base::SupportsUserData::Data>(new LegacyTabHelper(
web_state, tab ? tab : [[Tab alloc] initWithWebState:web_state])));
}
}