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 #include "content/public/browser/web_contents_view.h" 12 13 DEFINE_WEB_CONTENTS_USER_DATA_KEY(SadTabHelper); 14 15 SadTabHelper::~SadTabHelper() { 16 } 17 18 SadTabHelper::SadTabHelper(content::WebContents* web_contents) 19 : content::WebContentsObserver(web_contents) { 20 } 21 22 void SadTabHelper::RenderViewReady() { 23 if (sad_tab_) { 24 sad_tab_->Close(); 25 sad_tab_.reset(); 26 } 27 } 28 29 void SadTabHelper::RenderProcessGone(base::TerminationStatus status) { 30 // Only show the sad tab if we're not in browser shutdown, so that WebContents 31 // objects that are not in a browser (e.g., HTML dialogs) and thus are 32 // visible do not flash a sad tab page. 33 if (browser_shutdown::GetShutdownType() != browser_shutdown::NOT_VALID) 34 return; 35 36 if (sad_tab_) 37 return; 38 39 if (chrome::SadTab::ShouldShow(status)) 40 InstallSadTab(status); 41 } 42 43 void SadTabHelper::InstallSadTab(base::TerminationStatus status) { 44 chrome::SadTabKind kind = 45 (status == base::TERMINATION_STATUS_PROCESS_WAS_KILLED) ? 46 chrome::SAD_TAB_KIND_KILLED : chrome::SAD_TAB_KIND_CRASHED; 47 sad_tab_.reset(chrome::SadTab::Create(web_contents(), kind)); 48 sad_tab_->Show(); 49 } 50
