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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 return; | 27 return; |
| 27 if (prerender_manager->IsTabContentsPrerendering(tab_contents())) | 28 if (prerender_manager->IsTabContentsPrerendering(tab_contents())) |
| 28 return; | 29 return; |
| 29 prerender_manager->MarkTabContentsAsNotPrerendered(tab_contents()); | 30 prerender_manager->MarkTabContentsAsNotPrerendered(tab_contents()); |
| 30 MaybeUsePreloadedPage(url); | 31 MaybeUsePreloadedPage(url, has_opener_set); |
| 31 } | 32 } |
| 32 | 33 |
| 33 bool PrerenderObserver::OnMessageReceived(const IPC::Message& message) { | 34 bool PrerenderObserver::OnMessageReceived(const IPC::Message& message) { |
| 34 IPC_BEGIN_MESSAGE_MAP(PrerenderObserver, message) | 35 IPC_BEGIN_MESSAGE_MAP(PrerenderObserver, message) |
| 35 IPC_MESSAGE_HANDLER(ViewHostMsg_DidStartProvisionalLoadForFrame, | 36 IPC_MESSAGE_HANDLER(ViewHostMsg_DidStartProvisionalLoadForFrame, |
| 36 OnDidStartProvisionalLoadForFrame) | 37 OnDidStartProvisionalLoadForFrame) |
| 37 IPC_END_MESSAGE_MAP() | 38 IPC_END_MESSAGE_MAP() |
| 38 return false; | 39 return false; |
| 39 } | 40 } |
| 40 | 41 |
| 41 void PrerenderObserver::OnDidStartProvisionalLoadForFrame(int64 frame_id, | 42 void PrerenderObserver::OnDidStartProvisionalLoadForFrame(int64 frame_id, |
| 42 bool is_main_frame, | 43 bool is_main_frame, |
| 44 bool has_opener_set, |
| 43 const GURL& url) { | 45 const GURL& url) { |
| 44 // Don't include prerendered pages in the PPLT metric until after they are | 46 // Don't include prerendered pages in the PPLT metric until after they are |
| 45 // swapped in. | 47 // swapped in. |
| 46 if (IsPrerendering()) | 48 if (IsPrerendering()) |
| 47 return; | 49 return; |
| 48 if (is_main_frame) { | 50 if (is_main_frame) { |
| 49 // Record the beginning of a new PPLT navigation. | 51 // Record the beginning of a new PPLT navigation. |
| 50 pplt_load_start_ = base::TimeTicks::Now(); | 52 pplt_load_start_ = base::TimeTicks::Now(); |
| 51 } | 53 } |
| 52 } | 54 } |
| (...skipping 11 matching lines...) Expand all Loading... |
| 64 } | 66 } |
| 65 | 67 |
| 66 // Reset the PPLT metric. | 68 // Reset the PPLT metric. |
| 67 pplt_load_start_ = base::TimeTicks(); | 69 pplt_load_start_ = base::TimeTicks(); |
| 68 } | 70 } |
| 69 | 71 |
| 70 PrerenderManager* PrerenderObserver::MaybeGetPrerenderManager() { | 72 PrerenderManager* PrerenderObserver::MaybeGetPrerenderManager() { |
| 71 return tab_contents()->profile()->GetPrerenderManager(); | 73 return tab_contents()->profile()->GetPrerenderManager(); |
| 72 } | 74 } |
| 73 | 75 |
| 74 bool PrerenderObserver::MaybeUsePreloadedPage(const GURL& url) { | 76 bool PrerenderObserver::MaybeUsePreloadedPage(const GURL& url, |
| 77 bool has_opener_set) { |
| 75 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); | 78 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); |
| 76 if (!prerender_manager) | 79 if (!prerender_manager) |
| 77 return false; | 80 return false; |
| 78 DCHECK(!prerender_manager->IsTabContentsPrerendering(tab_contents())); | 81 DCHECK(!prerender_manager->IsTabContentsPrerendering(tab_contents())); |
| 79 if (prerender_manager->MaybeUsePreloadedPage(tab_contents(), url)) | 82 return prerender_manager->MaybeUsePreloadedPage(tab_contents(), |
| 80 return true; | 83 url, |
| 81 return false; | 84 has_opener_set); |
| 82 } | 85 } |
| 83 | 86 |
| 84 bool PrerenderObserver::IsPrerendering() { | 87 bool PrerenderObserver::IsPrerendering() { |
| 85 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); | 88 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); |
| 86 if (!prerender_manager) | 89 if (!prerender_manager) |
| 87 return false; | 90 return false; |
| 88 return prerender_manager->IsTabContentsPrerendering(tab_contents()); | 91 return prerender_manager->IsTabContentsPrerendering(tab_contents()); |
| 89 } | 92 } |
| 90 | 93 |
| 91 } // namespace prerender | 94 } // namespace prerender |
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