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Side by Side Diff: chrome/browser/metrics/desktop_session_duration/desktop_session_duration_observer.cc

Issue 2842833003: Update SupportsUserData uses with unique_ptr. (Closed)
Patch Set: rebase Created 3 years, 7 months ago
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1 // Copyright 2016 The Chromium Authors. All rights reserved. 1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "chrome/browser/metrics/desktop_session_duration/desktop_session_durati on_observer.h" 5 #include "chrome/browser/metrics/desktop_session_duration/desktop_session_durati on_observer.h"
6 6
7 #include "base/memory/ptr_util.h"
7 #include "chrome/browser/metrics/desktop_session_duration/desktop_session_durati on_tracker.h" 8 #include "chrome/browser/metrics/desktop_session_duration/desktop_session_durati on_tracker.h"
8 #include "content/public/browser/render_view_host.h" 9 #include "content/public/browser/render_view_host.h"
9 10
10 DEFINE_WEB_CONTENTS_USER_DATA_KEY(metrics::DesktopSessionDurationObserver); 11 DEFINE_WEB_CONTENTS_USER_DATA_KEY(metrics::DesktopSessionDurationObserver);
11 12
12 namespace metrics { 13 namespace metrics {
13 14
14 DesktopSessionDurationObserver::DesktopSessionDurationObserver( 15 DesktopSessionDurationObserver::DesktopSessionDurationObserver(
15 content::WebContents* web_contents, 16 content::WebContents* web_contents,
16 DesktopSessionDurationTracker* service) 17 DesktopSessionDurationTracker* service)
17 : content::WebContentsObserver(web_contents), service_(service) { 18 : content::WebContentsObserver(web_contents), service_(service) {
18 RegisterInputEventObserver(web_contents->GetRenderViewHost()); 19 RegisterInputEventObserver(web_contents->GetRenderViewHost());
19 } 20 }
20 21
21 DesktopSessionDurationObserver::~DesktopSessionDurationObserver() {} 22 DesktopSessionDurationObserver::~DesktopSessionDurationObserver() {}
22 23
23 // static 24 // static
24 DesktopSessionDurationObserver* 25 DesktopSessionDurationObserver*
25 DesktopSessionDurationObserver::CreateForWebContents( 26 DesktopSessionDurationObserver::CreateForWebContents(
26 content::WebContents* web_contents) { 27 content::WebContents* web_contents) {
27 DCHECK(web_contents); 28 DCHECK(web_contents);
28 29
29 if (!DesktopSessionDurationTracker::IsInitialized()) 30 if (!DesktopSessionDurationTracker::IsInitialized())
30 return nullptr; 31 return nullptr;
31 32
32 DesktopSessionDurationObserver* observer = FromWebContents(web_contents); 33 DesktopSessionDurationObserver* observer = FromWebContents(web_contents);
33 if (!observer) { 34 if (!observer) {
34 observer = new DesktopSessionDurationObserver( 35 observer = new DesktopSessionDurationObserver(
35 web_contents, DesktopSessionDurationTracker::Get()); 36 web_contents, DesktopSessionDurationTracker::Get());
36 web_contents->SetUserData(UserDataKey(), observer); 37 web_contents->SetUserData(UserDataKey(), base::WrapUnique(observer));
37 } 38 }
38 return observer; 39 return observer;
39 } 40 }
40 41
41 void DesktopSessionDurationObserver::RegisterInputEventObserver( 42 void DesktopSessionDurationObserver::RegisterInputEventObserver(
42 content::RenderViewHost* host) { 43 content::RenderViewHost* host) {
43 if (host != nullptr) 44 if (host != nullptr)
44 host->GetWidget()->AddInputEventObserver(this); 45 host->GetWidget()->AddInputEventObserver(this);
45 } 46 }
46 47
47 void DesktopSessionDurationObserver::UnregisterInputEventObserver( 48 void DesktopSessionDurationObserver::UnregisterInputEventObserver(
48 content::RenderViewHost* host) { 49 content::RenderViewHost* host) {
49 if (host != nullptr) 50 if (host != nullptr)
50 host->GetWidget()->RemoveInputEventObserver(this); 51 host->GetWidget()->RemoveInputEventObserver(this);
51 } 52 }
52 53
53 void DesktopSessionDurationObserver::OnInputEvent( 54 void DesktopSessionDurationObserver::OnInputEvent(
54 const blink::WebInputEvent& event) { 55 const blink::WebInputEvent& event) {
55 service_->OnUserEvent(); 56 service_->OnUserEvent();
56 } 57 }
57 58
58 void DesktopSessionDurationObserver::RenderViewHostChanged( 59 void DesktopSessionDurationObserver::RenderViewHostChanged(
59 content::RenderViewHost* old_host, 60 content::RenderViewHost* old_host,
60 content::RenderViewHost* new_host) { 61 content::RenderViewHost* new_host) {
61 UnregisterInputEventObserver(old_host); 62 UnregisterInputEventObserver(old_host);
62 RegisterInputEventObserver(new_host); 63 RegisterInputEventObserver(new_host);
63 } 64 }
64 65
65 } // namespace metrics 66 } // namespace metrics
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