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/ui/sad_tab_helper.h" 6 7 #include "base/logging.h" 8 #include "chrome/browser/browser_shutdown.h" 9 #include "chrome/browser/ui/sad_tab.h" 10 #include "content/public/browser/web_contents.h" 11 12 DEFINE_WEB_CONTENTS_USER_DATA_KEY(SadTabHelper); 13 14 SadTabHelper::~SadTabHelper() { 15 } 16 17 SadTabHelper::SadTabHelper(content::WebContents* web_contents) 18 : content::WebContentsObserver(web_contents) { 19 } 20 21 void SadTabHelper::RenderViewReady() { 22 if (sad_tab_) { 23 sad_tab_->Close(); 24 sad_tab_.reset(); 25 } 26 } 27 28 void SadTabHelper::RenderProcessGone(base::TerminationStatus status) { 29 // Only show the sad tab if we're not in browser shutdown, so that WebContents 30 // objects that are not in a browser (e.g., HTML dialogs) and thus are 31 // visible do not flash a sad tab page. 32 if (browser_shutdown::GetShutdownType() != browser_shutdown::NOT_VALID) 33 return; 34 35 if (sad_tab_) 36 return; 37 38 if (chrome::SadTab::ShouldShow(status)) 39 InstallSadTab(status); 40 } 41 42 void SadTabHelper::InstallSadTab(base::TerminationStatus status) { 43 chrome::SadTabKind kind = 44 (status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED) ? 45 chrome::SAD_TAB_KIND_KILLED : chrome::SAD_TAB_KIND_CRASHED; 46 sad_tab_.reset(chrome::SadTab::Create(web_contents(), kind)); 47 sad_tab_->Show(); 48 } 49
