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// 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.
#include "chrome/browser/ui/sad_tab_helper.h"
#include "base/logging.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/ui/sad_tab.h"
#include "content/public/browser/web_contents.h"
DEFINE_WEB_CONTENTS_USER_DATA_KEY(SadTabHelper);
namespace {
chrome::SadTabKind SadTabKindFromTerminationStatus(
base::TerminationStatus status) {
switch (status) {
#if defined(OS_CHROMEOS)
case base::TERMINATION_STATUS_PROCESS_WAS_KILLED_BY_OOM:
return chrome::SAD_TAB_KIND_KILLED_BY_OOM;
#endif
case base::TERMINATION_STATUS_PROCESS_WAS_KILLED:
return chrome::SAD_TAB_KIND_KILLED;
default:
return chrome::SAD_TAB_KIND_CRASHED;
}
}
} // namespace
SadTabHelper::~SadTabHelper() {
}
SadTabHelper::SadTabHelper(content::WebContents* web_contents)
: content::WebContentsObserver(web_contents) {
}
void SadTabHelper::RenderViewReady() {
if (sad_tab_) {
sad_tab_->Close();
sad_tab_.reset();
}
}
void SadTabHelper::RenderProcessGone(base::TerminationStatus status) {
// Only show the sad tab if we're not in browser shutdown, so that WebContents
// objects that are not in a browser (e.g., HTML dialogs) and thus are
// visible do not flash a sad tab page.
if (browser_shutdown::GetShutdownType() != browser_shutdown::NOT_VALID)
return;
if (sad_tab_)
return;
if (chrome::SadTab::ShouldShow(status))
InstallSadTab(status);
}
void SadTabHelper::InstallSadTab(base::TerminationStatus status) {
sad_tab_.reset(chrome::SadTab::Create(
web_contents(), SadTabKindFromTerminationStatus(status)));
sad_tab_->Show();
}
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