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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/browser/metrics/desktop_engagement/desktop_engagement_observer.
h" | |
| 6 | |
| 7 #include "chrome/browser/metrics/desktop_engagement/desktop_engagement_service.h
" | |
| 8 #include "content/public/browser/render_view_host.h" | |
| 9 | |
| 10 DEFINE_WEB_CONTENTS_USER_DATA_KEY(metrics::DesktopEngagementObserver); | |
| 11 | |
| 12 namespace metrics { | |
| 13 | |
| 14 DesktopEngagementObserver::DesktopEngagementObserver( | |
| 15 content::WebContents* web_contents, | |
| 16 DesktopEngagementService* service) | |
| 17 : content::WebContentsObserver(web_contents), service_(service) { | |
| 18 RegisterInputEventObserver(web_contents->GetRenderViewHost()); | |
| 19 } | |
| 20 | |
| 21 DesktopEngagementObserver::~DesktopEngagementObserver() {} | |
| 22 | |
| 23 // static | |
| 24 DesktopEngagementObserver* DesktopEngagementObserver::CreateForWebContents( | |
| 25 content::WebContents* web_contents) { | |
| 26 DCHECK(web_contents); | |
| 27 | |
| 28 if (!DesktopEngagementService::IsInitialized()) | |
| 29 return nullptr; | |
| 30 | |
| 31 DesktopEngagementObserver* observer = FromWebContents(web_contents); | |
| 32 if (!observer) { | |
| 33 observer = new DesktopEngagementObserver(web_contents, | |
| 34 DesktopEngagementService::Get()); | |
| 35 web_contents->SetUserData(UserDataKey(), observer); | |
| 36 } | |
| 37 return observer; | |
| 38 } | |
| 39 | |
| 40 void DesktopEngagementObserver::RegisterInputEventObserver( | |
| 41 content::RenderViewHost* host) { | |
| 42 if (host != nullptr) | |
| 43 host->GetWidget()->AddInputEventObserver(this); | |
| 44 } | |
| 45 | |
| 46 void DesktopEngagementObserver::UnregisterInputEventObserver( | |
| 47 content::RenderViewHost* host) { | |
| 48 if (host != nullptr) | |
| 49 host->GetWidget()->RemoveInputEventObserver(this); | |
| 50 } | |
| 51 | |
| 52 void DesktopEngagementObserver::OnInputEvent( | |
| 53 const blink::WebInputEvent& event) { | |
| 54 service_->OnUserEvent(); | |
| 55 } | |
| 56 | |
| 57 void DesktopEngagementObserver::RenderViewHostChanged( | |
| 58 content::RenderViewHost* old_host, | |
| 59 content::RenderViewHost* new_host) { | |
| 60 UnregisterInputEventObserver(old_host); | |
| 61 RegisterInputEventObserver(new_host); | |
| 62 } | |
| 63 | |
| 64 } // namespace metrics | |
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Chromium Code Reviews
Issue 2333113002:
Rename DesktopEngagement* to DesktopSessionDuration*. (Closed)
