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/browser/prerender/prerender_tracker.h" | 5 #include "chrome/browser/prerender/prerender_tracker.h" |
6 | 6 |
7 #include "base/bind.h" | 7 #include "base/bind.h" |
8 #include "base/logging.h" | 8 #include "base/logging.h" |
9 #include "chrome/browser/browser_process.h" | 9 #include "chrome/browser/browser_process.h" |
10 #include "chrome/browser/prerender/prerender_manager.h" | 10 #include "chrome/browser/prerender/prerender_manager.h" |
(...skipping 30 matching lines...) Expand all Loading... | |
41 : final_status(FINAL_STATUS_MAX), | 41 : final_status(FINAL_STATUS_MAX), |
42 prerender_manager(prerender_manager->AsWeakPtr()) { | 42 prerender_manager(prerender_manager->AsWeakPtr()) { |
43 } | 43 } |
44 ~RenderViewInfo() {} | 44 ~RenderViewInfo() {} |
45 | 45 |
46 FinalStatus final_status; | 46 FinalStatus final_status; |
47 base::WeakPtr<PrerenderManager> prerender_manager; | 47 base::WeakPtr<PrerenderManager> prerender_manager; |
48 }; | 48 }; |
49 | 49 |
50 PrerenderTracker::PrerenderTracker() { | 50 PrerenderTracker::PrerenderTracker() { |
51 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | |
51 } | 52 } |
52 | 53 |
53 PrerenderTracker::~PrerenderTracker() { | 54 PrerenderTracker::~PrerenderTracker() { |
55 if (DCHECK_IS_ON()) { | |
56 base::AutoLock lock(final_status_map_lock_); | |
mmenke
2012/12/06 19:54:22
This is not needed. If PrerenderTracker is curren
gavinp
2012/12/07 17:37:04
Done.
| |
57 DCHECK(final_status_map_.empty()); | |
58 } | |
54 } | 59 } |
55 | 60 |
56 bool PrerenderTracker::TryUse(int child_id, int route_id) { | 61 bool PrerenderTracker::TryUse(int child_id, int route_id) { |
57 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 62 DCHECK(CalledOnValidThread()); |
58 | |
59 return SetFinalStatus(child_id, route_id, FINAL_STATUS_USED, NULL); | 63 return SetFinalStatus(child_id, route_id, FINAL_STATUS_USED, NULL); |
60 } | 64 } |
61 | 65 |
62 bool PrerenderTracker::TryCancel( | 66 bool PrerenderTracker::TryCancel( |
63 int child_id, | 67 int child_id, |
64 int route_id, | 68 int route_id, |
65 FinalStatus final_status) { | 69 FinalStatus final_status) { |
66 DCHECK_NE(FINAL_STATUS_USED, final_status); | 70 DCHECK_NE(FINAL_STATUS_USED, final_status); |
67 DCHECK(final_status >= 0 && final_status < FINAL_STATUS_MAX); | 71 DCHECK(final_status >= 0 && final_status < FINAL_STATUS_MAX); |
68 | 72 |
69 FinalStatus actual_final_status; | 73 FinalStatus actual_final_status; |
70 SetFinalStatus(child_id, route_id, final_status, &actual_final_status); | 74 SetFinalStatus(child_id, route_id, final_status, &actual_final_status); |
71 return actual_final_status != FINAL_STATUS_USED && | 75 return actual_final_status != FINAL_STATUS_USED && |
72 actual_final_status != FINAL_STATUS_MAX; | 76 actual_final_status != FINAL_STATUS_MAX; |
73 } | 77 } |
74 | 78 |
75 bool PrerenderTracker::TryCancelOnIOThread( | 79 bool PrerenderTracker::TryCancelOnIOThread( |
76 int child_id, | 80 int child_id, |
77 int route_id, | 81 int route_id, |
78 FinalStatus final_status) { | 82 FinalStatus final_status) { |
79 DCHECK_NE(FINAL_STATUS_USED, final_status); | 83 DCHECK_NE(FINAL_STATUS_USED, final_status); |
80 DCHECK(final_status >= 0 && final_status < FINAL_STATUS_MAX); | 84 DCHECK_LE(0, final_status); |
85 DCHECK_GT(FINAL_STATUS_MAX, final_status); | |
81 | 86 |
82 if (!IsPrerenderingOnIOThread(child_id, route_id)) | 87 if (!IsPrerenderingOnIOThread(child_id, route_id)) |
83 return false; | 88 return false; |
84 return TryCancel(child_id, route_id, final_status); | 89 return TryCancel(child_id, route_id, final_status); |
85 } | 90 } |
86 | 91 |
87 bool PrerenderTracker::GetFinalStatus(int child_id, int route_id, | 92 bool PrerenderTracker::GetFinalStatus(int child_id, int route_id, |
88 FinalStatus* final_status) const { | 93 FinalStatus* final_status) const { |
89 ChildRouteIdPair child_route_id_pair(child_id, route_id); | 94 ChildRouteIdPair child_route_id_pair(child_id, route_id); |
90 | 95 |
91 base::AutoLock lock(final_status_map_lock_); | 96 base::AutoLock lock(final_status_map_lock_); |
92 FinalStatusMap::const_iterator final_status_it = | 97 FinalStatusMap::const_iterator final_status_it = |
93 final_status_map_.find(child_route_id_pair); | 98 final_status_map_.find(child_route_id_pair); |
94 if (final_status_map_.end() == final_status_map_.find(child_route_id_pair)) | 99 if (final_status_it == final_status_map_.end()) |
95 return false; | 100 return false; |
96 *final_status = final_status_it->second.final_status; | 101 *final_status = final_status_it->second.final_status; |
97 return true; | 102 return true; |
98 } | 103 } |
99 | 104 |
100 void PrerenderTracker::OnPrerenderingStarted( | 105 void PrerenderTracker::OnPrerenderStart( |
101 int child_id, int route_id, PrerenderManager* prerender_manager) { | 106 PrerenderContents* prerender_contents) { |
102 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 107 DCHECK(CalledOnValidThread()); |
103 DCHECK_GE(child_id, 0); | 108 int child_id, route_id; |
104 DCHECK_GE(route_id, 0); | 109 const bool got_child_id = prerender_contents->GetChildId(&child_id); |
110 DCHECK(got_child_id); | |
111 const bool got_route_id = prerender_contents->GetRouteId(&route_id); | |
112 DCHECK(got_route_id); | |
105 | 113 |
106 ChildRouteIdPair child_route_id_pair(child_id, route_id); | 114 ChildRouteIdPair child_route_id_pair(child_id, route_id); |
107 | 115 |
108 // The RenderView should not already be prerendering. | |
109 DCHECK(final_status_map_.end() == | |
110 final_status_map_.find(child_route_id_pair)); | |
111 | |
112 BrowserThread::PostTask( | 116 BrowserThread::PostTask( |
113 BrowserThread::IO, FROM_HERE, | 117 BrowserThread::IO, FROM_HERE, |
114 base::Bind(&AddPrerenderOnIOThreadTask, child_route_id_pair)); | 118 base::Bind(&AddPrerenderOnIOThreadTask, child_route_id_pair)); |
115 | 119 |
116 base::AutoLock lock(final_status_map_lock_); | 120 base::AutoLock lock(final_status_map_lock_); |
121 // The RenderView should not already be prerendering. | |
122 DCHECK_EQ(0u, final_status_map_.count(child_route_id_pair)); | |
117 | 123 |
118 final_status_map_.insert( | 124 final_status_map_.insert( |
119 std::make_pair(child_route_id_pair, RenderViewInfo(prerender_manager))); | 125 std::make_pair(child_route_id_pair, |
126 RenderViewInfo(prerender_contents->prerender_manager()))); | |
120 } | 127 } |
121 | 128 |
122 void PrerenderTracker::OnPrerenderingFinished(int child_id, int route_id) { | 129 void PrerenderTracker::OnPrerenderStop( |
123 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI)); | 130 PrerenderContents* prerender_contents) { |
124 DCHECK_GE(child_id, 0); | 131 DCHECK(CalledOnValidThread()); |
125 DCHECK_GE(route_id, 0); | 132 int child_id, route_id; |
133 const bool got_child_id = prerender_contents->GetChildId(&child_id); | |
134 DCHECK(got_child_id); | |
135 const bool got_route_id = prerender_contents->GetRouteId(&route_id); | |
mmenke
2012/12/06 19:54:22
optional: Both here and above, const is not too c
gavinp
2012/12/07 17:37:04
Done.
| |
136 DCHECK(got_route_id); | |
126 | 137 |
127 ChildRouteIdPair child_route_id_pair(child_id, route_id); | 138 ChildRouteIdPair child_route_id_pair(child_id, route_id); |
128 | 139 |
129 BrowserThread::PostTask( | 140 BrowserThread::PostTask( |
130 BrowserThread::IO, FROM_HERE, | 141 BrowserThread::IO, FROM_HERE, |
131 base::Bind(&RemovePrerenderOnIOThreadTask, child_route_id_pair)); | 142 base::Bind(&RemovePrerenderOnIOThreadTask, child_route_id_pair)); |
132 | 143 |
133 base::AutoLock lock(final_status_map_lock_); | 144 base::AutoLock lock(final_status_map_lock_); |
134 size_t num_erased = final_status_map_.erase(child_route_id_pair); | 145 size_t num_erased = final_status_map_.erase(child_route_id_pair); |
135 DCHECK_EQ(1u, num_erased); | 146 DCHECK_EQ(1u, num_erased); |
(...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... | |
171 if (actual_final_status) | 182 if (actual_final_status) |
172 *actual_final_status = final_status_it->second.final_status; | 183 *actual_final_status = final_status_it->second.final_status; |
173 return false; | 184 return false; |
174 } | 185 } |
175 | 186 |
176 bool PrerenderTracker::IsPrerenderingOnIOThread(int child_id, | 187 bool PrerenderTracker::IsPrerenderingOnIOThread(int child_id, |
177 int route_id) const { | 188 int route_id) const { |
178 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 189 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
179 | 190 |
180 ChildRouteIdPair child_route_id_pair(child_id, route_id); | 191 ChildRouteIdPair child_route_id_pair(child_id, route_id); |
181 return possibly_prerendering_io_thread_set_.end() != | 192 return possibly_prerendering_io_thread_set_.count(child_route_id_pair) > 0; |
182 possibly_prerendering_io_thread_set_.find(child_route_id_pair); | |
183 } | 193 } |
184 | 194 |
185 void PrerenderTracker::AddPrerenderOnIOThread( | 195 void PrerenderTracker::AddPrerenderOnIOThread( |
186 const ChildRouteIdPair& child_route_id_pair) { | 196 const ChildRouteIdPair& child_route_id_pair) { |
187 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); | 197 DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO)); |
188 DCHECK(!IsPrerenderingOnIOThread(child_route_id_pair.first, | 198 DCHECK(!IsPrerenderingOnIOThread(child_route_id_pair.first, |
189 child_route_id_pair.second)); | 199 child_route_id_pair.second)); |
190 | 200 |
191 possibly_prerendering_io_thread_set_.insert(child_route_id_pair); | 201 possibly_prerendering_io_thread_set_.insert(child_route_id_pair); |
192 } | 202 } |
(...skipping 18 matching lines...) Expand all Loading... | |
211 GetDefault()->AddPrerenderOnIOThread(child_route_id_pair); | 221 GetDefault()->AddPrerenderOnIOThread(child_route_id_pair); |
212 } | 222 } |
213 | 223 |
214 // static | 224 // static |
215 void PrerenderTracker::RemovePrerenderOnIOThreadTask( | 225 void PrerenderTracker::RemovePrerenderOnIOThreadTask( |
216 const ChildRouteIdPair& child_route_id_pair) { | 226 const ChildRouteIdPair& child_route_id_pair) { |
217 GetDefault()->RemovePrerenderOnIOThread(child_route_id_pair); | 227 GetDefault()->RemovePrerenderOnIOThread(child_route_id_pair); |
218 } | 228 } |
219 | 229 |
220 } // namespace prerender | 230 } // namespace prerender |
OLD | NEW |