File: sad_tab_helper.cc

package info (click to toggle)
chromium 138.0.7204.157-1
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 6,071,864 kB
  • sloc: cpp: 34,936,859; ansic: 7,176,967; javascript: 4,110,704; python: 1,419,953; asm: 946,768; xml: 739,967; pascal: 187,324; sh: 89,623; perl: 88,663; objc: 79,944; sql: 50,304; cs: 41,786; fortran: 24,137; makefile: 21,806; php: 13,980; tcl: 13,166; yacc: 8,925; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (95 lines) | stat: -rw-r--r-- 2,759 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
// Copyright 2012 The Chromium Authors
// 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 "build/build_config.h"
#include "chrome/browser/lifetime/browser_shutdown.h"
#include "chrome/browser/ui/sad_tab.h"
#include "content/common/content_navigation_policy.h"
#include "content/public/browser/navigation_handle.h"
#include "content/public/browser/web_contents.h"

namespace {

SadTabKind SadTabKindFromTerminationStatus(base::TerminationStatus status) {
  switch (status) {
#if BUILDFLAG(IS_CHROMEOS)
    case base::TERMINATION_STATUS_PROCESS_WAS_KILLED_BY_OOM:
      return SAD_TAB_KIND_KILLED_BY_OOM;
#endif
    case base::TERMINATION_STATUS_PROCESS_WAS_KILLED:
    case base::TERMINATION_STATUS_LAUNCH_FAILED:
      return SAD_TAB_KIND_KILLED;
    case base::TERMINATION_STATUS_OOM:
      return SAD_TAB_KIND_OOM;
    default:
      return SAD_TAB_KIND_CRASHED;
  }
}

}  // namespace

SadTabHelper::~SadTabHelper() = default;

SadTabHelper::SadTabHelper(content::WebContents* web_contents)
    : content::WebContentsObserver(web_contents),
      content::WebContentsUserData<SadTabHelper>(*web_contents) {}

void SadTabHelper::ReinstallInWebView() {
  if (sad_tab_) {
    sad_tab_->ReinstallInWebView();
  }
}

void SadTabHelper::RenderFrameCreated(
    content::RenderFrameHost* render_frame_host) {
  if (content::ShouldSkipEarlyCommitPendingForCrashedFrame()) {
    sad_tab_.reset();
  }
}

void SadTabHelper::RenderViewReady() {
  if (!content::ShouldSkipEarlyCommitPendingForCrashedFrame()) {
    sad_tab_.reset();
  }
}

void SadTabHelper::DidFinishNavigation(
    content::NavigationHandle* navigation_handle) {
  if (!content::ShouldSkipEarlyCommitPendingForCrashedFrame()) {
    return;
  }
  // If the navigation did not commit and we went back to the crashed frame,
  // reinstall the sad tab, if needed.
  if (!sad_tab_ && !navigation_handle->HasCommitted() &&
      web_contents()->IsCrashed()) {
    InstallSadTab(web_contents()->GetCrashedStatus());
  }
}

void SadTabHelper::PrimaryMainFrameRenderProcessGone(
    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::HasShutdownStarted()) {
    return;
  }

  if (sad_tab_) {
    return;
  }

  if (SadTab::ShouldShow(status)) {
    InstallSadTab(status);
  }
}

void SadTabHelper::InstallSadTab(base::TerminationStatus status) {
  sad_tab_.reset(
      SadTab::Create(web_contents(), SadTabKindFromTerminationStatus(status)));
}

WEB_CONTENTS_USER_DATA_KEY_IMPL(SadTabHelper);