chrome/browser/sessions/session_id.cc

   1 // Copyright (c) 2012 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/sessions/session_id.h"
   6
   7 #include "chrome/browser/sessions/session_tab_helper.h"
   8
   9 static SessionID::id_type next_id = 1;
  10
  11 SessionID::SessionID() {
  12   id_ = next_id++;
  13 }
  14
  15 SessionID::id_type SessionID::IdForTab(const content::WebContents* tab) {
  16   const SessionTabHelper* session_tab_helper =
  17       tab ? SessionTabHelper::FromWebContents(tab) : NULL;
  18   return session_tab_helper ? session_tab_helper->session_id().id() : -1;
  19 }
  20
  21 SessionID::id_type SessionID::IdForWindowContainingTab(
  22     const content::WebContents* tab) {
  23   const SessionTabHelper* session_tab_helper =
  24       tab ? SessionTabHelper::FromWebContents(tab) : NULL;
  25   return session_tab_helper ? session_tab_helper->window_id().id() : -1;
  26 }