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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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