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1 // Copyright (c) 2013 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 "content/browser/loader/render_view_host_tracker.h" | |
6 | |
7 #include "base/bind_helpers.h" | |
8 #include "base/stl_util.h" | |
9 #include "content/browser/loader/resource_dispatcher_host_impl.h" | |
10 #include "content/browser/loader/resource_scheduler.h" | |
11 #include "content/public/browser/browser_thread.h" | |
12 #include "content/public/browser/notification_service.h" | |
13 #include "content/public/browser/notification_types.h" | |
14 #include "content/public/browser/render_process_host.h" | |
15 #include "content/public/browser/render_view_host.h" | |
16 | |
17 namespace content { | |
18 | |
19 RenderViewHostTracker::RenderViewHostTracker() { | |
20 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
21 registrar_.Add(this, NOTIFICATION_RENDER_VIEW_HOST_CREATED, | |
22 NotificationService::AllSources()); | |
23 registrar_.Add(this, NOTIFICATION_RENDER_VIEW_HOST_DELETED, | |
darin (slow to review)
2013/03/15 23:59:25
is this still needed?
| |
24 NotificationService::AllSources()); | |
25 } | |
26 | |
27 RenderViewHostTracker::~RenderViewHostTracker() { | |
28 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
29 DCHECK(observers_.empty()); | |
30 } | |
31 | |
32 void RenderViewHostTracker::Observe( | |
33 int type, | |
34 const NotificationSource& source, | |
35 const NotificationDetails& details) { | |
36 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
37 RenderViewHost* rvh = content::Source<RenderViewHost>(source).ptr(); | |
38 int child_id = rvh->GetProcess()->GetID(); | |
39 int route_id = rvh->GetRoutingID(); | |
40 | |
41 switch (type) { | |
42 case NOTIFICATION_RENDER_VIEW_HOST_CREATED: | |
43 Observer* observer = new Observer(rvh, this); | |
44 observers_.insert(observer); | |
45 BrowserThread::PostTask( | |
46 BrowserThread::IO, FROM_HERE, | |
47 base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostCreated, | |
48 base::Unretained(ResourceDispatcherHostImpl::Get()), | |
49 child_id, route_id)); | |
50 break; | |
51 } | |
52 } | |
53 | |
54 void RenderViewHostTracker::RemoveObserver(Observer* observer) { | |
55 DCHECK(ContainsKey(observers_, observer)); | |
56 observers_.erase(observer); | |
57 delete observer; | |
58 } | |
59 | |
60 RenderViewHostTracker::Observer::Observer(RenderViewHost* rvh, | |
61 RenderViewHostTracker* tracker) | |
62 : RenderViewHostObserver(rvh), | |
63 tracker_(tracker) { | |
64 } | |
65 | |
66 RenderViewHostTracker::Observer::~Observer() { | |
67 } | |
68 | |
69 void RenderViewHostTracker::Observer::RenderViewHostDestroyed( | |
70 RenderViewHost* rvh) { | |
71 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
72 int child_id = rvh->GetProcess()->GetID(); | |
73 int route_id = rvh->GetRoutingID(); | |
74 | |
75 BrowserThread::PostTask( | |
76 BrowserThread::IO, FROM_HERE, | |
77 base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostDeleted, | |
78 base::Unretained(ResourceDispatcherHostImpl::Get()), | |
79 child_id, route_id)); | |
80 | |
81 tracker_->RemoveObserver(this); | |
82 } | |
83 | |
84 } // namespace content | |
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