blob: 2e8a7e28963f3941e93f42c51aa6419070cbe201 [file] [log] [blame]
// 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 "base/macros.h"
#include "base/timer/timer.h"
class WebContentsCloseHandlerDelegate;
class WebContentsCloseHandlerTest;
// WebContentsCloseHandler handles notifying its delegate at the right time
// to clone and/or destroy the layer tree of the active tab. This is done so
// that on closing a window the user sees the contents of the last active
// tab rather than an empty rect.
class WebContentsCloseHandler {
explicit WebContentsCloseHandler(WebContentsCloseHandlerDelegate* delegate);
// Invoked when a tab is inserted.
void TabInserted();
// Invoked when the active WebContents changes.
void ActiveTabChanged();
// Invoked when all the tabs are about to be closed.
void WillCloseAllTabs();
// Invoked when the close was canceled.
void CloseAllTabsCanceled();
friend class WebContentsCloseHandlerTest;
// Invoked from the |timer_|. If hit it means enough time has expired after a
// close was canceled.
void OnStillHaventClosed();
WebContentsCloseHandlerDelegate* delegate_;
// If true, WillCloseAllTabs() has been invoked.
bool in_close_;
// Set to true if the active tab changes while closing (ActiveTabChanged()
// was invoked following a WillCloseAllTabs()).
bool tab_changed_after_clone_;
base::OneShotTimer timer_;