diff options
Diffstat (limited to 'chrome/browser/sessions/session_id.h')
| -rw-r--r-- | chrome/browser/sessions/session_id.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/chrome/browser/sessions/session_id.h b/chrome/browser/sessions/session_id.h index 031fc14..19f1dc4 100644 --- a/chrome/browser/sessions/session_id.h +++ b/chrome/browser/sessions/session_id.h @@ -1,4 +1,4 @@ -// Copyright (c) 2011 The Chromium Authors. All rights reserved. +// Copyright (c) 2012 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. @@ -7,6 +7,9 @@ #include "base/basictypes.h" +class Browser; +class TabContents; + // Uniquely identifies a tab or window for the duration of a session. class SessionID { public: @@ -15,6 +18,18 @@ class SessionID { SessionID(); ~SessionID() {} + // This value is immutable for a given tab. It will be unique across Chrome + // within the current session, but may be re-used across sessions. Returns -1 + // for NULL, and will never return -1 for a valid tab. + static id_type IdForTab(const TabContents* tab); + + // If the tab has ever been attached to a window, this is the value of + // Browser::session_id().id() for some Browser object. Returns -1 for NULL, or + // another value that's not equal to any Browser's id for a tab that has never + // been attached to a window. IdForWindowContainingTab() returns the old + // window for a tab that's currently being dragged between windows. + static id_type IdForWindowContainingTab(const TabContents* tab); + // Returns the underlying id. void set_id(id_type id) { id_ = id; } id_type id() const { return id_; } |