File: task_tab_helper.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (151 lines) | stat: -rw-r--r-- 5,467 bytes parent folder | download | duplicates (6)
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
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
// Copyright 2018 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/complex_tasks/task_tab_helper.h"

#include <string>

#include "base/check_op.h"
#include "base/notreached.h"
#include "build/build_config.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "components/search_engines/template_url_service.h"
#include "content/public/browser/navigation_entry.h"

#if BUILDFLAG(IS_ANDROID)
#include "chrome/android/chrome_jni_headers/TaskTabHelper_jni.h"
#include "chrome/browser/android/tab_android.h"

using base::android::JavaParamRef;
#endif  // BUILDFLAG(IS_ANDROID)

namespace {
bool DoesTransitionContinueTask(ui::PageTransition transition) {
  return ui::PageTransitionCoreTypeIs(transition, ui::PAGE_TRANSITION_LINK) ||
         ui::PageTransitionCoreTypeIs(transition,
                                      ui::PAGE_TRANSITION_AUTO_SUBFRAME) ||
         ui::PageTransitionCoreTypeIs(transition,
                                      ui::PAGE_TRANSITION_MANUAL_SUBFRAME) ||
         ui::PageTransitionCoreTypeIs(transition,
                                      ui::PAGE_TRANSITION_FORM_SUBMIT) ||
         transition & ui::PAGE_TRANSITION_IS_REDIRECT_MASK;
}
}  // namespace

namespace tasks {

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

TaskTabHelper::~TaskTabHelper() = default;

void TaskTabHelper::NavigationEntryCommitted(
    const content::LoadCommittedDetails& load_details) {
  UpdateAndRecordTaskIds(load_details);
}

sessions::NavigationTaskId* TaskTabHelper::GetCurrentTaskId(
    content::WebContents* web_contents) {
  if (!web_contents)
    return nullptr;
  content::NavigationEntry* navigation_entry =
      web_contents->GetController().GetLastCommittedEntry();
  if (!navigation_entry)
    return nullptr;
  sessions::NavigationTaskId* navigation_task_id =
      sessions::NavigationTaskId::Get(navigation_entry);
  if (!navigation_task_id)
    return nullptr;
  return navigation_task_id;
}

void TaskTabHelper::UpdateAndRecordTaskIds(
    const content::LoadCommittedDetails& load_details) {
  sessions::NavigationTaskId* navigation_task_id =
      sessions::NavigationTaskId::Get(load_details.entry);

  // The Task ID is the Global ID of the first navigation. The first
  // navigation is detected if the Task ID hasn't been set yet.
  if (navigation_task_id->id() == -1) {
    navigation_task_id->set_id(
        load_details.entry->GetTimestamp().since_origin().InMicroseconds());
  }

  if (DoesTransitionContinueTask(load_details.entry->GetTransitionType())) {
    if (load_details.previous_entry_index != -1) {
      content::NavigationEntry* prev_nav_entry =
          web_contents()->GetController().GetEntryAtIndex(
              load_details.previous_entry_index);

      if (prev_nav_entry != nullptr) {
        sessions::NavigationTaskId* prev_navigation_task_id =
            sessions::NavigationTaskId::Get(prev_nav_entry);
        navigation_task_id->set_parent_id(prev_navigation_task_id->id());
        navigation_task_id->set_root_id(prev_navigation_task_id->root_id());
      }
    } else if (GetParentTaskId() != -1) {
      // If the previous_entry_index is -1, this is a new tab. Use the parent
      // task-id for the case of cross tab navigations (such as window.open).
      navigation_task_id->set_parent_id(GetParentTaskId());
      navigation_task_id->set_root_id(GetParentRootTaskId());
    }
  } else {
    navigation_task_id->set_root_id(navigation_task_id->id());
  }
  local_navigation_task_id_map_.emplace(load_details.entry->GetUniqueID(),
                                        *navigation_task_id);
}

int64_t TaskTabHelper::GetParentTaskId() {
#if BUILDFLAG(IS_ANDROID)
  TabAndroid* tab_android = TabAndroid::FromWebContents(web_contents());
  return tab_android && Java_TaskTabHelper_getParentTaskId(
                            base::android::AttachCurrentThread(),
                            tab_android->GetJavaObject());
#else
  return -1;
#endif
}

int64_t TaskTabHelper::GetParentRootTaskId() {
#if BUILDFLAG(IS_ANDROID)
  TabAndroid* tab_android = TabAndroid::FromWebContents(web_contents());
  return tab_android && Java_TaskTabHelper_getParentRootTaskId(
                            base::android::AttachCurrentThread(),
                            tab_android->GetJavaObject());
#else
  return -1;
#endif
}

#if BUILDFLAG(IS_ANDROID)
jlong JNI_TaskTabHelper_GetTaskId(JNIEnv* env,
                                  const JavaParamRef<jobject>& jweb_contents) {
  sessions::NavigationTaskId* navigation_task_id =
      TaskTabHelper::GetCurrentTaskId(
          content::WebContents::FromJavaWebContents(jweb_contents));
  if (navigation_task_id) {
    return navigation_task_id->id();
  }
  return -1;
}

jlong JNI_TaskTabHelper_GetRootTaskId(
    JNIEnv* env,
    const JavaParamRef<jobject>& jweb_contents) {
  sessions::NavigationTaskId* navigation_task_id =
      TaskTabHelper::GetCurrentTaskId(
          content::WebContents::FromJavaWebContents(jweb_contents));
  if (navigation_task_id) {
    return navigation_task_id->root_id();
  }
  return -1;
}
#endif  // BUILDFLAG(IS_ANDROID)

WEB_CONTENTS_USER_DATA_KEY_IMPL(TaskTabHelper);

}  // namespace tasks