chrome/browser/task_manager/web_contents_information.cc - Issue 2197483003: Move the Mac Task Manager to the new backend code.

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Side by Side Diff: chrome/browser/task_manager/web_contents_information.cc

Issue 2197483003: Move the Mac Task Manager to the new backend code. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: mark Created 4 years, 4 months ago

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1 // Copyright 2014 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/task_manager/web_contents_information.h"

6 #include "content/public/browser/notification_service.h"

7 #include "content/public/browser/notification_types.h"

8

9 namespace task_manager {

10

11 WebContentsInformation::WebContentsInformation() {}

12

13 WebContentsInformation::~WebContentsInformation() {}

14

15 NotificationObservingWebContentsInformation::

16 NotificationObservingWebContentsInformation() {}

17

18 NotificationObservingWebContentsInformation::

19 ~NotificationObservingWebContentsInformation() {}

20

21 void NotificationObservingWebContentsInformation::StartObservingCreation(

22 const NewWebContentsCallback& callback) {

23 observer_callback_ = callback;

24 registrar_.Add(this,

25 content::NOTIFICATION_WEB_CONTENTS_CONNECTED,

26 content::NotificationService::AllBrowserContextsAndSources());

27 }

28

29 void NotificationObservingWebContentsInformation::StopObservingCreation() {

30 registrar_.Remove(

31 this,

32 content::NOTIFICATION_WEB_CONTENTS_CONNECTED,

33 content::NotificationService::AllBrowserContextsAndSources());

34 observer_callback_.Reset();

35 }

36

37 void NotificationObservingWebContentsInformation::Observe(

38 int type,

39 const content::NotificationSource& source,

40 const content::NotificationDetails& details) {

41 DCHECK_EQ(content::NOTIFICATION_WEB_CONTENTS_CONNECTED, type);

42

43 content::WebContents* web_contents =

44 content::Source<content::WebContents>(source).ptr();

45 if (CheckOwnership(web_contents))

46 observer_callback_.Run(web_contents);

47 }

48

49 } // namespace task_manager

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