OLD | NEW |
---|---|
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/renderer/prerender/prerender_helper.h" | 5 #include "chrome/renderer/prerender/prerender_helper.h" |
6 | 6 |
7 #include "base/metrics/field_trial.h" | 7 #include "base/metrics/field_trial.h" |
8 #include "base/metrics/histogram.h" | 8 #include "base/metrics/histogram.h" |
9 #include "chrome/common/prerender_messages.h" | 9 #include "chrome/common/prerender_messages.h" |
10 #include "content/public/renderer/document_state.h" | 10 #include "content/public/renderer/document_state.h" |
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
51 bool PrerenderHelper::OnMessageReceived( | 51 bool PrerenderHelper::OnMessageReceived( |
52 const IPC::Message& message) { | 52 const IPC::Message& message) { |
53 IPC_BEGIN_MESSAGE_MAP(PrerenderHelper, message) | 53 IPC_BEGIN_MESSAGE_MAP(PrerenderHelper, message) |
54 IPC_MESSAGE_HANDLER(PrerenderMsg_SetIsPrerendering, OnSetIsPrerendering) | 54 IPC_MESSAGE_HANDLER(PrerenderMsg_SetIsPrerendering, OnSetIsPrerendering) |
55 IPC_END_MESSAGE_MAP() | 55 IPC_END_MESSAGE_MAP() |
56 // Return false on PrerenderMsg_SetIsPrerendering so other observers can see | 56 // Return false on PrerenderMsg_SetIsPrerendering so other observers can see |
57 // the message. | 57 // the message. |
58 return false; | 58 return false; |
59 } | 59 } |
60 | 60 |
61 void PrerenderHelper::OnSetIsPrerendering(bool is_prerendering) { | 61 void PrerenderHelper::OnSetIsPrerendering(PrerenderMode mode) { |
62 // Immediately after construction, |this| may receive the message that | 62 // Immediately after construction, |this| may receive the message that |
63 // triggered its creation. If so, ignore it. | 63 // triggered its creation. If so, ignore it. |
64 if (is_prerendering) | 64 if (mode == prerender::FULL_PRERENDER) |
mattcary
2016/07/27 11:31:54
!= NO_PRERENDER depending on previous comment.
| |
65 return; | 65 return; |
66 | 66 |
67 content::RenderFrame* frame = render_frame(); | 67 content::RenderFrame* frame = render_frame(); |
68 // |this| must be deleted so PrerenderHelper::IsPrerendering returns false | 68 // |this| must be deleted so PrerenderHelper::IsPrerendering returns false |
69 // when the visibility state is updated, so the visibility state string will | 69 // when the visibility state is updated, so the visibility state string will |
70 // not be "prerendered". | 70 // not be "prerendered". |
71 delete this; | 71 delete this; |
72 | 72 |
73 UpdateVisibilityState(frame); | 73 UpdateVisibilityState(frame); |
74 } | 74 } |
75 | 75 |
76 void PrerenderHelper::OnDestruct() { | 76 void PrerenderHelper::OnDestruct() { |
77 delete this; | 77 delete this; |
78 } | 78 } |
79 | 79 |
80 } // namespace prerender | 80 } // namespace prerender |
OLD | NEW |