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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 "chrome/browser/prerender/prerender_observer.h" | 5 #include "chrome/browser/prerender/prerender_observer.h" |
| 6 | 6 |
| 7 #include "base/time.h" | 7 #include "base/time.h" |
| 8 #include "chrome/browser/prerender/prerender_manager.h" | 8 #include "chrome/browser/prerender/prerender_manager.h" |
| 9 #include "chrome/browser/profiles/profile.h" | 9 #include "chrome/browser/profiles/profile.h" |
| 10 #include "content/browser/tab_contents/tab_contents.h" | 10 #include "content/browser/tab_contents/tab_contents.h" |
| 11 #include "content/common/view_messages.h" | 11 #include "content/common/view_messages.h" |
| 12 | 12 |
| 13 namespace prerender { | 13 namespace prerender { |
| 14 | 14 |
| 15 PrerenderObserver::PrerenderObserver(TabContents* tab_contents) | 15 PrerenderObserver::PrerenderObserver(TabContents* tab_contents) |
| 16 : TabContentsObserver(tab_contents), | 16 : TabContentsObserver(tab_contents), |
| 17 pplt_load_start_() { | 17 pplt_load_start_() { |
| 18 } | 18 } |
| 19 | 19 |
| 20 PrerenderObserver::~PrerenderObserver() { | 20 PrerenderObserver::~PrerenderObserver() { |
| 21 } | 21 } |
| 22 | 22 |
| 23 void PrerenderObserver::ProvisionalChangeToMainFrameUrl(const GURL& url) { | 23 void PrerenderObserver::ProvisionalChangeToMainFrameUrl(const GURL& url, |
| 24 bool has_opener_set) { |
| 24 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); | 25 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); |
| 25 if (prerender_manager) | 26 if (prerender_manager) |
| 26 prerender_manager->MarkTabContentsAsNotPrerendered(tab_contents()); | 27 prerender_manager->MarkTabContentsAsNotPrerendered(tab_contents()); |
| 27 MaybeUsePreloadedPage(url); | 28 MaybeUsePreloadedPage(url, has_opener_set); |
| 28 } | 29 } |
| 29 | 30 |
| 30 bool PrerenderObserver::OnMessageReceived(const IPC::Message& message) { | 31 bool PrerenderObserver::OnMessageReceived(const IPC::Message& message) { |
| 31 IPC_BEGIN_MESSAGE_MAP(PrerenderObserver, message) | 32 IPC_BEGIN_MESSAGE_MAP(PrerenderObserver, message) |
| 32 IPC_MESSAGE_HANDLER(ViewHostMsg_DidStartProvisionalLoadForFrame, | 33 IPC_MESSAGE_HANDLER(ViewHostMsg_DidStartProvisionalLoadForFrame, |
| 33 OnDidStartProvisionalLoadForFrame) | 34 OnDidStartProvisionalLoadForFrame) |
| 34 IPC_END_MESSAGE_MAP() | 35 IPC_END_MESSAGE_MAP() |
| 35 return false; | 36 return false; |
| 36 } | 37 } |
| 37 | 38 |
| 38 void PrerenderObserver::OnDidStartProvisionalLoadForFrame(int64 frame_id, | 39 void PrerenderObserver::OnDidStartProvisionalLoadForFrame(int64 frame_id, |
| 39 bool is_main_frame, | 40 bool is_main_frame, |
| 41 bool has_opener_set, |
| 40 const GURL& url) { | 42 const GURL& url) { |
| 41 if (is_main_frame) { | 43 if (is_main_frame) { |
| 42 // Record the beginning of a new PPLT navigation. | 44 // Record the beginning of a new PPLT navigation. |
| 43 pplt_load_start_ = base::TimeTicks::Now(); | 45 pplt_load_start_ = base::TimeTicks::Now(); |
| 44 } | 46 } |
| 45 } | 47 } |
| 46 | 48 |
| 47 void PrerenderObserver::DidStopLoading() { | 49 void PrerenderObserver::DidStopLoading() { |
| 48 // Compute the PPLT metric and report it in a histogram, if needed. | 50 // Compute the PPLT metric and report it in a histogram, if needed. |
| 49 if (!pplt_load_start_.is_null()) { | 51 if (!pplt_load_start_.is_null()) { |
| 50 PrerenderManager::RecordPerceivedPageLoadTime( | 52 PrerenderManager::RecordPerceivedPageLoadTime( |
| 51 base::TimeTicks::Now() - pplt_load_start_, tab_contents()); | 53 base::TimeTicks::Now() - pplt_load_start_, tab_contents()); |
| 52 } | 54 } |
| 53 | 55 |
| 54 // Reset the PPLT metric. | 56 // Reset the PPLT metric. |
| 55 pplt_load_start_ = base::TimeTicks(); | 57 pplt_load_start_ = base::TimeTicks(); |
| 56 } | 58 } |
| 57 | 59 |
| 58 PrerenderManager* PrerenderObserver::MaybeGetPrerenderManager() { | 60 PrerenderManager* PrerenderObserver::MaybeGetPrerenderManager() { |
| 59 return tab_contents()->profile()->GetPrerenderManager(); | 61 return tab_contents()->profile()->GetPrerenderManager(); |
| 60 } | 62 } |
| 61 | 63 |
| 62 bool PrerenderObserver::MaybeUsePreloadedPage(const GURL& url) { | 64 bool PrerenderObserver::MaybeUsePreloadedPage(const GURL& url, |
| 65 bool has_opener_set) { |
| 63 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); | 66 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); |
| 64 if (prerender_manager && | 67 |
| 65 prerender_manager->MaybeUsePreloadedPage(tab_contents(), url)) | 68 return prerender_manager && |
| 66 return true; | 69 prerender_manager->MaybeUsePreloadedPage(tab_contents(), |
| 67 return false; | 70 url, |
| 71 has_opener_set); |
| 68 } | 72 } |
| 69 | 73 |
| 70 } // namespace prerender | 74 } // namespace prerender |
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