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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 "content/public/renderer/render_view_observer.h" | 5 #include "content/public/renderer/render_view_observer.h" |
6 | 6 |
7 #include "content/renderer/render_view_impl.h" | 7 #include "content/renderer/render_view_impl.h" |
8 | 8 |
9 using blink::WebFrame; | 9 using blink::WebFrame; |
10 | 10 |
11 namespace content { | 11 namespace content { |
12 | 12 |
13 RenderViewObserver::RenderViewObserver(RenderView* render_view) | 13 RenderViewObserver::RenderViewObserver(RenderView* render_view) |
14 : render_view_(render_view), | 14 : render_view_(render_view), |
15 routing_id_(MSG_ROUTING_NONE) { | 15 routing_id_(MSG_ROUTING_NONE) { |
16 // |render_view| can be NULL on unit testing. | 16 // |render_view| can be NULL on unit testing or if Observe() is used. |
17 if (render_view) { | 17 if (render_view) { |
18 RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view); | 18 RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view); |
19 routing_id_ = impl->routing_id(); | 19 routing_id_ = impl->routing_id(); |
20 // TODO(jam): bring this back DCHECK_NE(routing_id_, MSG_ROUTING_NONE); | 20 // TODO(jam): bring this back DCHECK_NE(routing_id_, MSG_ROUTING_NONE); |
21 impl->AddObserver(this); | 21 impl->AddObserver(this); |
22 } | 22 } |
23 } | 23 } |
24 | 24 |
25 RenderViewObserver::~RenderViewObserver() { | 25 RenderViewObserver::~RenderViewObserver() { |
26 if (render_view_) { | 26 if (render_view_) { |
(...skipping 19 matching lines...) Expand all Loading... |
46 } | 46 } |
47 | 47 |
48 RenderView* RenderViewObserver::render_view() const { | 48 RenderView* RenderViewObserver::render_view() const { |
49 return render_view_; | 49 return render_view_; |
50 } | 50 } |
51 | 51 |
52 void RenderViewObserver::RenderViewGone() { | 52 void RenderViewObserver::RenderViewGone() { |
53 render_view_ = NULL; | 53 render_view_ = NULL; |
54 } | 54 } |
55 | 55 |
| 56 void RenderViewObserver::Observe(RenderView* render_view) { |
| 57 RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view_); |
| 58 if (impl) { |
| 59 impl->RemoveObserver(this); |
| 60 routing_id_ = 0; |
| 61 } |
| 62 |
| 63 render_view_ = render_view; |
| 64 impl = static_cast<RenderViewImpl*>(render_view_); |
| 65 if (impl) { |
| 66 routing_id_ = impl->routing_id(); |
| 67 impl->AddObserver(this); |
| 68 } |
| 69 } |
| 70 |
56 } // namespace content | 71 } // namespace content |
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