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| 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/browser/prerender/prerender_link_manager.h" | 5 #include "chrome/browser/prerender/prerender_link_manager.h" |
| 6 | 6 |
| 7 #include <functional> | 7 #include <functional> |
| 8 #include <limits> | 8 #include <limits> |
| 9 #include <set> | 9 #include <set> |
| 10 #include <string> | 10 #include <string> |
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| 40 | 40 |
| 41 namespace { | 41 namespace { |
| 42 | 42 |
| 43 bool ShouldStartRelNextPrerenders() { | 43 bool ShouldStartRelNextPrerenders() { |
| 44 const std::string experiment_name = | 44 const std::string experiment_name = |
| 45 base::FieldTrialList::FindFullName("PrerenderRelNextTrial"); | 45 base::FieldTrialList::FindFullName("PrerenderRelNextTrial"); |
| 46 | 46 |
| 47 return experiment_name.find("Yes") != std::string::npos; | 47 return experiment_name.find("Yes") != std::string::npos; |
| 48 } | 48 } |
| 49 | 49 |
| 50 bool ShouldStartPrerender(const uint32 rel_types) { | 50 bool ShouldStartPrerender(const uint32_t rel_types) { |
| 51 const bool should_start_rel_next_prerenders = | 51 const bool should_start_rel_next_prerenders = |
| 52 ShouldStartRelNextPrerenders(); | 52 ShouldStartRelNextPrerenders(); |
| 53 | 53 |
| 54 if (rel_types & PrerenderRelTypePrerender) { | 54 if (rel_types & PrerenderRelTypePrerender) { |
| 55 return true; | 55 return true; |
| 56 } else if (should_start_rel_next_prerenders && | 56 } else if (should_start_rel_next_prerenders && |
| 57 (rel_types & PrerenderRelTypeNext) == PrerenderRelTypeNext) { | 57 (rel_types & PrerenderRelTypeNext) == PrerenderRelTypeNext) { |
| 58 return true; | 58 return true; |
| 59 } | 59 } |
| 60 return false; | 60 return false; |
| 61 } | 61 } |
| 62 | 62 |
| 63 static_assert(PrerenderRelTypePrerender == 0x1, | 63 static_assert(PrerenderRelTypePrerender == 0x1, |
| 64 "RelTypeHistogrameEnum must match PrerenderRelType"); | 64 "RelTypeHistogrameEnum must match PrerenderRelType"); |
| 65 static_assert(PrerenderRelTypeNext == 0x2, | 65 static_assert(PrerenderRelTypeNext == 0x2, |
| 66 "RelTypeHistogramEnum must match PrerenderRelType"); | 66 "RelTypeHistogramEnum must match PrerenderRelType"); |
| 67 enum RelTypeHistogramEnum { | 67 enum RelTypeHistogramEnum { |
| 68 RelTypeHistogramEnumNone = 0, | 68 RelTypeHistogramEnumNone = 0, |
| 69 RelTypeHistogramEnumPrerender = PrerenderRelTypePrerender, | 69 RelTypeHistogramEnumPrerender = PrerenderRelTypePrerender, |
| 70 RelTypeHistogramEnumNext = PrerenderRelTypeNext, | 70 RelTypeHistogramEnumNext = PrerenderRelTypeNext, |
| 71 RelTypeHistogramEnumPrerenderAndNext = | 71 RelTypeHistogramEnumPrerenderAndNext = |
| 72 PrerenderRelTypePrerender | PrerenderRelTypeNext, | 72 PrerenderRelTypePrerender | PrerenderRelTypeNext, |
| 73 RelTypeHistogramEnumMax, | 73 RelTypeHistogramEnumMax, |
| 74 }; | 74 }; |
| 75 | 75 |
| 76 void RecordLinkManagerAdded(const uint32 rel_types) { | 76 void RecordLinkManagerAdded(const uint32_t rel_types) { |
| 77 const uint32 enum_value = rel_types & (RelTypeHistogramEnumMax - 1); | 77 const uint32_t enum_value = rel_types & (RelTypeHistogramEnumMax - 1); |
| 78 UMA_HISTOGRAM_ENUMERATION("Prerender.RelTypesLinkAdded", enum_value, | 78 UMA_HISTOGRAM_ENUMERATION("Prerender.RelTypesLinkAdded", enum_value, |
| 79 RelTypeHistogramEnumMax); | 79 RelTypeHistogramEnumMax); |
| 80 } | 80 } |
| 81 | 81 |
| 82 void RecordLinkManagerStarting(const uint32 rel_types) { | 82 void RecordLinkManagerStarting(const uint32_t rel_types) { |
| 83 const uint32 enum_value = rel_types & (RelTypeHistogramEnumMax - 1); | 83 const uint32_t enum_value = rel_types & (RelTypeHistogramEnumMax - 1); |
| 84 UMA_HISTOGRAM_ENUMERATION("Prerender.RelTypesLinkStarted", enum_value, | 84 UMA_HISTOGRAM_ENUMERATION("Prerender.RelTypesLinkStarted", enum_value, |
| 85 RelTypeHistogramEnumMax); | 85 RelTypeHistogramEnumMax); |
| 86 } | 86 } |
| 87 | 87 |
| 88 void Send(int child_id, IPC::Message* raw_message) { | 88 void Send(int child_id, IPC::Message* raw_message) { |
| 89 using content::RenderProcessHost; | 89 using content::RenderProcessHost; |
| 90 scoped_ptr<IPC::Message> own_message(raw_message); | 90 scoped_ptr<IPC::Message> own_message(raw_message); |
| 91 | 91 |
| 92 RenderProcessHost* render_process_host = RenderProcessHost::FromID(child_id); | 92 RenderProcessHost* render_process_host = RenderProcessHost::FromID(child_id); |
| 93 if (!render_process_host) | 93 if (!render_process_host) |
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| 155 << "PrerenderManager."; | 155 << "PrerenderManager."; |
| 156 delete i->handle; | 156 delete i->handle; |
| 157 i->handle = 0; | 157 i->handle = 0; |
| 158 } | 158 } |
| 159 } | 159 } |
| 160 } | 160 } |
| 161 | 161 |
| 162 void PrerenderLinkManager::OnAddPrerender(int launcher_child_id, | 162 void PrerenderLinkManager::OnAddPrerender(int launcher_child_id, |
| 163 int prerender_id, | 163 int prerender_id, |
| 164 const GURL& url, | 164 const GURL& url, |
| 165 uint32 rel_types, | 165 uint32_t rel_types, |
| 166 const content::Referrer& referrer, | 166 const content::Referrer& referrer, |
| 167 const gfx::Size& size, | 167 const gfx::Size& size, |
| 168 int render_view_route_id) { | 168 int render_view_route_id) { |
| 169 DCHECK_EQ(static_cast<LinkPrerender*>(NULL), | 169 DCHECK_EQ(static_cast<LinkPrerender*>(NULL), |
| 170 FindByLauncherChildIdAndPrerenderId(launcher_child_id, | 170 FindByLauncherChildIdAndPrerenderId(launcher_child_id, |
| 171 prerender_id)); | 171 prerender_id)); |
| 172 | 172 |
| 173 #if defined(ENABLE_EXTENSIONS) | 173 #if defined(ENABLE_EXTENSIONS) |
| 174 content::RenderViewHost* rvh = | 174 content::RenderViewHost* rvh = |
| 175 content::RenderViewHost::FromID(launcher_child_id, render_view_route_id); | 175 content::RenderViewHost::FromID(launcher_child_id, render_view_route_id); |
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| 249 const size_t running_prerender_count = CountRunningPrerenders(); | 249 const size_t running_prerender_count = CountRunningPrerenders(); |
| 250 OnAbandonPrerender(child_id, it->prerender_id); | 250 OnAbandonPrerender(child_id, it->prerender_id); |
| 251 DCHECK_EQ(running_prerender_count, CountRunningPrerenders()); | 251 DCHECK_EQ(running_prerender_count, CountRunningPrerenders()); |
| 252 } | 252 } |
| 253 } | 253 } |
| 254 | 254 |
| 255 PrerenderLinkManager::LinkPrerender::LinkPrerender( | 255 PrerenderLinkManager::LinkPrerender::LinkPrerender( |
| 256 int launcher_child_id, | 256 int launcher_child_id, |
| 257 int prerender_id, | 257 int prerender_id, |
| 258 const GURL& url, | 258 const GURL& url, |
| 259 uint32 rel_types, | 259 uint32_t rel_types, |
| 260 const content::Referrer& referrer, | 260 const content::Referrer& referrer, |
| 261 const gfx::Size& size, | 261 const gfx::Size& size, |
| 262 int render_view_route_id, | 262 int render_view_route_id, |
| 263 TimeTicks creation_time, | 263 TimeTicks creation_time, |
| 264 PrerenderContents* deferred_launcher) | 264 PrerenderContents* deferred_launcher) |
| 265 : launcher_child_id(launcher_child_id), | 265 : launcher_child_id(launcher_child_id), |
| 266 prerender_id(prerender_id), | 266 prerender_id(prerender_id), |
| 267 url(url), | 267 url(url), |
| 268 rel_types(rel_types), | 268 rel_types(rel_types), |
| 269 referrer(referrer), | 269 referrer(referrer), |
| 270 size(size), | 270 size(size), |
| 271 render_view_route_id(render_view_route_id), | 271 render_view_route_id(render_view_route_id), |
| 272 creation_time(creation_time), | 272 creation_time(creation_time), |
| 273 deferred_launcher(deferred_launcher), | 273 deferred_launcher(deferred_launcher), |
| 274 handle(NULL), | 274 handle(NULL), |
| 275 is_match_complete_replacement(false), | 275 is_match_complete_replacement(false), |
| 276 has_been_abandoned(false) { | 276 has_been_abandoned(false) {} |
| 277 } | |
| 278 | 277 |
| 279 PrerenderLinkManager::LinkPrerender::~LinkPrerender() { | 278 PrerenderLinkManager::LinkPrerender::~LinkPrerender() { |
| 280 DCHECK_EQ(static_cast<PrerenderHandle*>(NULL), handle) | 279 DCHECK_EQ(static_cast<PrerenderHandle*>(NULL), handle) |
| 281 << "The PrerenderHandle should be destroyed before its Prerender."; | 280 << "The PrerenderHandle should be destroyed before its Prerender."; |
| 282 } | 281 } |
| 283 | 282 |
| 284 bool PrerenderLinkManager::IsEmpty() const { | 283 bool PrerenderLinkManager::IsEmpty() const { |
| 285 return prerenders_.empty(); | 284 return prerenders_.empty(); |
| 286 } | 285 } |
| 287 | 286 |
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| 538 DCHECK(!prerender->is_match_complete_replacement); | 537 DCHECK(!prerender->is_match_complete_replacement); |
| 539 prerender->is_match_complete_replacement = true; | 538 prerender->is_match_complete_replacement = true; |
| 540 Send(prerender->launcher_child_id, | 539 Send(prerender->launcher_child_id, |
| 541 new PrerenderMsg_OnPrerenderStop(prerender->prerender_id)); | 540 new PrerenderMsg_OnPrerenderStop(prerender->prerender_id)); |
| 542 // Do not call RemovePrerender here. The replacement needs to stay connected | 541 // Do not call RemovePrerender here. The replacement needs to stay connected |
| 543 // to the HTMLLinkElement in the renderer so it notices renderer-triggered | 542 // to the HTMLLinkElement in the renderer so it notices renderer-triggered |
| 544 // cancelations. | 543 // cancelations. |
| 545 } | 544 } |
| 546 | 545 |
| 547 } // namespace prerender | 546 } // namespace prerender |
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