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| 1 /* | |
| 2 * Copyright (C) 2009 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions are | |
| 6 * met: | |
| 7 * | |
| 8 * * Redistributions of source code must retain the above copyright | |
| 9 * notice, this list of conditions and the following disclaimer. | |
| 10 * * Redistributions in binary form must reproduce the above | |
| 11 * copyright notice, this list of conditions and the following disclaimer | |
| 12 * in the documentation and/or other materials provided with the | |
| 13 * distribution. | |
| 14 * * Neither the name of Google Inc. nor the names of its | |
| 15 * contributors may be used to endorse or promote products derived from | |
| 16 * this software without specific prior written permission. | |
| 17 * | |
| 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
| 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
| 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
| 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 29 */ | |
| 30 | |
| 31 #include "bindings/core/v8/DOMWrapperWorld.h" | |
| 32 | |
| 33 #include <memory> | |
| 34 | |
| 35 #include "bindings/core/v8/DOMDataStore.h" | |
| 36 #include "bindings/core/v8/ScriptFunction.h" | |
| 37 #include "platform/wtf/HashTraits.h" | |
| 38 #include "platform/wtf/PtrUtil.h" | |
| 39 #include "platform/wtf/StdLibExtras.h" | |
| 40 | |
| 41 namespace blink { | |
| 42 | |
| 43 unsigned DOMWrapperWorld::number_of_non_main_worlds_in_main_thread_ = 0; | |
| 44 | |
| 45 // This does not contain the main world because the WorldMap needs | |
| 46 // non-default hashmap traits (WTF::UnsignedWithZeroKeyHashTraits) to contain | |
| 47 // it for the main world's id (0), and it may change the performance trends. | |
| 48 // (see https://crbug.com/704778#c6). | |
| 49 using WorldMap = HashMap<int, DOMWrapperWorld*>; | |
| 50 static WorldMap& GetWorldMap() { | |
| 51 DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<WorldMap>, map, | |
| 52 new ThreadSpecific<WorldMap>); | |
| 53 return *map; | |
| 54 } | |
| 55 | |
| 56 #if DCHECK_IS_ON() | |
| 57 static bool IsIsolatedWorldId(int world_id) { | |
| 58 return DOMWrapperWorld::kMainWorldId < world_id && | |
| 59 world_id < DOMWrapperWorld::kIsolatedWorldIdLimit; | |
| 60 } | |
| 61 #endif | |
| 62 | |
| 63 PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::Create(v8::Isolate* isolate, | |
| 64 WorldType world_type) { | |
| 65 DCHECK_NE(WorldType::kIsolated, world_type); | |
| 66 return AdoptRef(new DOMWrapperWorld(isolate, world_type, | |
| 67 GenerateWorldIdForType(world_type))); | |
| 68 } | |
| 69 | |
| 70 DOMWrapperWorld::DOMWrapperWorld(v8::Isolate* isolate, | |
| 71 WorldType world_type, | |
| 72 int world_id) | |
| 73 : world_type_(world_type), | |
| 74 world_id_(world_id), | |
| 75 dom_data_store_( | |
| 76 WTF::WrapUnique(new DOMDataStore(isolate, IsMainWorld()))) { | |
| 77 switch (world_type_) { | |
| 78 case WorldType::kMain: | |
| 79 // The main world is managed separately from worldMap(). See worldMap(). | |
| 80 break; | |
| 81 case WorldType::kIsolated: | |
| 82 case WorldType::kGarbageCollector: | |
| 83 case WorldType::kRegExp: | |
| 84 case WorldType::kTesting: | |
| 85 case WorldType::kWorker: { | |
| 86 WorldMap& map = GetWorldMap(); | |
| 87 DCHECK(!map.Contains(world_id_)); | |
| 88 map.insert(world_id_, this); | |
| 89 if (IsMainThread()) | |
| 90 number_of_non_main_worlds_in_main_thread_++; | |
| 91 break; | |
| 92 } | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 DOMWrapperWorld& DOMWrapperWorld::MainWorld() { | |
| 97 DCHECK(IsMainThread()); | |
| 98 DEFINE_STATIC_REF( | |
| 99 DOMWrapperWorld, cached_main_world, | |
| 100 (DOMWrapperWorld::Create(v8::Isolate::GetCurrent(), WorldType::kMain))); | |
| 101 return *cached_main_world; | |
| 102 } | |
| 103 | |
| 104 void DOMWrapperWorld::AllWorldsInCurrentThread( | |
| 105 Vector<RefPtr<DOMWrapperWorld>>& worlds) { | |
| 106 if (IsMainThread()) | |
| 107 worlds.push_back(&MainWorld()); | |
| 108 for (DOMWrapperWorld* world : GetWorldMap().Values()) | |
| 109 worlds.push_back(world); | |
| 110 } | |
| 111 | |
| 112 void DOMWrapperWorld::MarkWrappersInAllWorlds( | |
| 113 ScriptWrappable* script_wrappable, | |
| 114 const ScriptWrappableVisitor* visitor) { | |
| 115 // Marking for worlds other than the main world. | |
| 116 DCHECK(ThreadState::Current()->GetIsolate()); | |
| 117 for (DOMWrapperWorld* world : GetWorldMap().Values()) { | |
| 118 DOMDataStore& data_store = world->DomDataStore(); | |
| 119 if (data_store.ContainsWrapper(script_wrappable)) | |
| 120 data_store.MarkWrapper(script_wrappable); | |
| 121 } | |
| 122 | |
| 123 // Marking for the main world. | |
| 124 if (IsMainThread()) | |
| 125 script_wrappable->MarkWrapper(visitor); | |
| 126 } | |
| 127 | |
| 128 DOMWrapperWorld::~DOMWrapperWorld() { | |
| 129 DCHECK(!IsMainWorld()); | |
| 130 if (IsMainThread()) | |
| 131 number_of_non_main_worlds_in_main_thread_--; | |
| 132 | |
| 133 // WorkerWorld should be disposed of before the dtor. | |
| 134 if (!IsWorkerWorld()) | |
| 135 Dispose(); | |
| 136 DCHECK(!GetWorldMap().Contains(world_id_)); | |
| 137 } | |
| 138 | |
| 139 void DOMWrapperWorld::Dispose() { | |
| 140 dom_object_holders_.clear(); | |
| 141 dom_data_store_.reset(); | |
| 142 DCHECK(GetWorldMap().Contains(world_id_)); | |
| 143 GetWorldMap().erase(world_id_); | |
| 144 } | |
| 145 | |
| 146 PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::EnsureIsolatedWorld( | |
| 147 v8::Isolate* isolate, | |
| 148 int world_id) { | |
| 149 #if DCHECK_IS_ON() | |
| 150 DCHECK(IsIsolatedWorldId(world_id)); | |
| 151 #endif | |
| 152 | |
| 153 WorldMap& map = GetWorldMap(); | |
| 154 auto it = map.find(world_id); | |
| 155 if (it != map.end()) { | |
| 156 RefPtr<DOMWrapperWorld> world = it->value; | |
| 157 DCHECK(world->IsIsolatedWorld()); | |
| 158 DCHECK_EQ(world_id, world->GetWorldId()); | |
| 159 return world.Release(); | |
| 160 } | |
| 161 | |
| 162 return AdoptRef(new DOMWrapperWorld(isolate, WorldType::kIsolated, world_id)); | |
| 163 } | |
| 164 | |
| 165 typedef HashMap<int, RefPtr<SecurityOrigin>> IsolatedWorldSecurityOriginMap; | |
| 166 static IsolatedWorldSecurityOriginMap& IsolatedWorldSecurityOrigins() { | |
| 167 DCHECK(IsMainThread()); | |
| 168 DEFINE_STATIC_LOCAL(IsolatedWorldSecurityOriginMap, map, ()); | |
| 169 return map; | |
| 170 } | |
| 171 | |
| 172 SecurityOrigin* DOMWrapperWorld::IsolatedWorldSecurityOrigin() { | |
| 173 DCHECK(this->IsIsolatedWorld()); | |
| 174 IsolatedWorldSecurityOriginMap& origins = IsolatedWorldSecurityOrigins(); | |
| 175 IsolatedWorldSecurityOriginMap::iterator it = origins.find(GetWorldId()); | |
| 176 return it == origins.end() ? 0 : it->value.Get(); | |
| 177 } | |
| 178 | |
| 179 void DOMWrapperWorld::SetIsolatedWorldSecurityOrigin( | |
| 180 int world_id, | |
| 181 PassRefPtr<SecurityOrigin> security_origin) { | |
| 182 #if DCHECK_IS_ON() | |
| 183 DCHECK(IsIsolatedWorldId(world_id)); | |
| 184 #endif | |
| 185 if (security_origin) | |
| 186 IsolatedWorldSecurityOrigins().Set(world_id, std::move(security_origin)); | |
| 187 else | |
| 188 IsolatedWorldSecurityOrigins().erase(world_id); | |
| 189 } | |
| 190 | |
| 191 typedef HashMap<int, String> IsolatedWorldHumanReadableNameMap; | |
| 192 static IsolatedWorldHumanReadableNameMap& IsolatedWorldHumanReadableNames() { | |
| 193 DCHECK(IsMainThread()); | |
| 194 DEFINE_STATIC_LOCAL(IsolatedWorldHumanReadableNameMap, map, ()); | |
| 195 return map; | |
| 196 } | |
| 197 | |
| 198 String DOMWrapperWorld::IsolatedWorldHumanReadableName() { | |
| 199 ASSERT(this->IsIsolatedWorld()); | |
| 200 return IsolatedWorldHumanReadableNames().at(GetWorldId()); | |
| 201 } | |
| 202 | |
| 203 void DOMWrapperWorld::SetIsolatedWorldHumanReadableName( | |
| 204 int world_id, | |
| 205 const String& human_readable_name) { | |
| 206 #if DCHECK_IS_ON() | |
| 207 DCHECK(IsIsolatedWorldId(world_id)); | |
| 208 #endif | |
| 209 IsolatedWorldHumanReadableNames().Set(world_id, human_readable_name); | |
| 210 } | |
| 211 | |
| 212 typedef HashMap<int, bool> IsolatedWorldContentSecurityPolicyMap; | |
| 213 static IsolatedWorldContentSecurityPolicyMap& | |
| 214 IsolatedWorldContentSecurityPolicies() { | |
| 215 DCHECK(IsMainThread()); | |
| 216 DEFINE_STATIC_LOCAL(IsolatedWorldContentSecurityPolicyMap, map, ()); | |
| 217 return map; | |
| 218 } | |
| 219 | |
| 220 bool DOMWrapperWorld::IsolatedWorldHasContentSecurityPolicy() { | |
| 221 DCHECK(this->IsIsolatedWorld()); | |
| 222 IsolatedWorldContentSecurityPolicyMap& policies = | |
| 223 IsolatedWorldContentSecurityPolicies(); | |
| 224 IsolatedWorldContentSecurityPolicyMap::iterator it = | |
| 225 policies.find(GetWorldId()); | |
| 226 return it == policies.end() ? false : it->value; | |
| 227 } | |
| 228 | |
| 229 void DOMWrapperWorld::SetIsolatedWorldContentSecurityPolicy( | |
| 230 int world_id, | |
| 231 const String& policy) { | |
| 232 #if DCHECK_IS_ON() | |
| 233 DCHECK(IsIsolatedWorldId(world_id)); | |
| 234 #endif | |
| 235 if (!policy.IsEmpty()) | |
| 236 IsolatedWorldContentSecurityPolicies().Set(world_id, true); | |
| 237 else | |
| 238 IsolatedWorldContentSecurityPolicies().erase(world_id); | |
| 239 } | |
| 240 | |
| 241 void DOMWrapperWorld::RegisterDOMObjectHolderInternal( | |
| 242 std::unique_ptr<DOMObjectHolderBase> holder_base) { | |
| 243 DCHECK(!dom_object_holders_.Contains(holder_base.get())); | |
| 244 holder_base->SetWorld(this); | |
| 245 holder_base->SetWeak(&DOMWrapperWorld::WeakCallbackForDOMObjectHolder); | |
| 246 dom_object_holders_.insert(std::move(holder_base)); | |
| 247 } | |
| 248 | |
| 249 void DOMWrapperWorld::UnregisterDOMObjectHolder( | |
| 250 DOMObjectHolderBase* holder_base) { | |
| 251 DCHECK(dom_object_holders_.Contains(holder_base)); | |
| 252 dom_object_holders_.erase(holder_base); | |
| 253 } | |
| 254 | |
| 255 void DOMWrapperWorld::WeakCallbackForDOMObjectHolder( | |
| 256 const v8::WeakCallbackInfo<DOMObjectHolderBase>& data) { | |
| 257 DOMObjectHolderBase* holder_base = data.GetParameter(); | |
| 258 holder_base->World()->UnregisterDOMObjectHolder(holder_base); | |
| 259 } | |
| 260 | |
| 261 int DOMWrapperWorld::GenerateWorldIdForType(WorldType world_type) { | |
| 262 DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<int>, next_world_id, | |
| 263 new ThreadSpecific<int>); | |
| 264 if (!next_world_id.IsSet()) | |
| 265 *next_world_id = WorldId::kUnspecifiedWorldIdStart; | |
| 266 switch (world_type) { | |
| 267 case WorldType::kMain: | |
| 268 return kMainWorldId; | |
| 269 case WorldType::kIsolated: | |
| 270 // This function should not be called for IsolatedWorld because an | |
| 271 // identifier for the world is given from out of DOMWrapperWorld. | |
| 272 NOTREACHED(); | |
| 273 return kInvalidWorldId; | |
| 274 case WorldType::kGarbageCollector: | |
| 275 case WorldType::kRegExp: | |
| 276 case WorldType::kTesting: | |
| 277 case WorldType::kWorker: | |
| 278 int world_id = *next_world_id; | |
| 279 CHECK_GE(world_id, WorldId::kUnspecifiedWorldIdStart); | |
| 280 *next_world_id = world_id + 1; | |
| 281 return world_id; | |
| 282 } | |
| 283 NOTREACHED(); | |
| 284 return kInvalidWorldId; | |
| 285 } | |
| 286 | |
| 287 void DOMWrapperWorld::DissociateDOMWindowWrappersInAllWorlds( | |
| 288 ScriptWrappable* script_wrappable) { | |
| 289 DCHECK(script_wrappable); | |
| 290 DCHECK(IsMainThread()); | |
| 291 | |
| 292 script_wrappable->UnsetWrapperIfAny(); | |
| 293 | |
| 294 for (auto& world : GetWorldMap().Values()) | |
| 295 world->DomDataStore().UnsetWrapperIfAny(script_wrappable); | |
| 296 } | |
| 297 | |
| 298 } // namespace blink | |
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Chromium Code Reviews
Issue 2843603002:
Move ScriptWrappable and dependencies to platform/bindings (Closed)
