src/third_party/WebKit/Source/bindings/core/v8/DOMWrapperWorld.cpp

   1 /*
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   3  *
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   6  * met:
   7  *
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   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.
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  16  * this software without specific prior written permission.
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  30
  31 #include "config.h"
  32 #include "bindings/core/v8/DOMWrapperWorld.h"
  33
  34 #include "bindings/core/v8/DOMDataStore.h"
  35 #include "bindings/core/v8/ScriptController.h"
  36 #include "bindings/core/v8/V8Binding.h"
  37 #include "bindings/core/v8/V8DOMActivityLogger.h"
  38 #include "bindings/core/v8/V8DOMWrapper.h"
  39 #include "bindings/core/v8/V8Window.h"
  40 #include "bindings/core/v8/WindowProxy.h"
  41 #include "bindings/core/v8/WrapperTypeInfo.h"
  42 #include "core/dom/ExecutionContext.h"
  43 #include "wtf/HashTraits.h"
  44 #include "wtf/StdLibExtras.h"
  45
  46 namespace blink {
  47
  48 unsigned DOMWrapperWorld::isolatedWorldCount = 0;
  49 DOMWrapperWorld* DOMWrapperWorld::worldOfInitializingWindow = 0;
  50
  51 PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::create(int worldId, int extensionGroup)
  52 {
  53     return adoptRef(new DOMWrapperWorld(worldId, extensionGroup));
  54 }
  55
  56 DOMWrapperWorld::DOMWrapperWorld(int worldId, int extensionGroup)
  57     : m_worldId(worldId)
  58     , m_extensionGroup(extensionGroup)
  59     , m_domDataStore(adoptPtr(new DOMDataStore(isMainWorld())))
  60 {
  61 }
  62
  63 DOMWrapperWorld& DOMWrapperWorld::mainWorld()
  64 {
  65     ASSERT(isMainThread());
  66     DEFINE_STATIC_REF(DOMWrapperWorld, cachedMainWorld, (DOMWrapperWorld::create(MainWorldId, mainWorldExtensionGroup)));
  67     return *cachedMainWorld;
  68 }
  69
  70 DOMWrapperWorld& DOMWrapperWorld::privateScriptIsolatedWorld()
  71 {
  72     ASSERT(isMainThread());
  73     DEFINE_STATIC_LOCAL(RefPtr<DOMWrapperWorld>, cachedPrivateScriptIsolatedWorld, ());
  74     if (!cachedPrivateScriptIsolatedWorld) {
  75         cachedPrivateScriptIsolatedWorld = DOMWrapperWorld::create(PrivateScriptIsolatedWorldId, privateScriptIsolatedWorldExtensionGroup);
  76         isolatedWorldCount++;
  77     }
  78     return *cachedPrivateScriptIsolatedWorld;
  79 }
  80
  81 typedef HashMap<int, DOMWrapperWorld*> WorldMap;
  82 static WorldMap& isolatedWorldMap()
  83 {
  84     ASSERT(isMainThread());
  85     DEFINE_STATIC_LOCAL(WorldMap, map, ());
  86     return map;
  87 }
  88
  89 void DOMWrapperWorld::allWorldsInMainThread(Vector<RefPtr<DOMWrapperWorld> >& worlds)
  90 {
  91     ASSERT(isMainThread());
  92     worlds.append(&mainWorld());
  93     WorldMap& isolatedWorlds = isolatedWorldMap();
  94     for (WorldMap::iterator it = isolatedWorlds.begin(); it != isolatedWorlds.end(); ++it)
  95         worlds.append(it->value);
  96 }
  97
  98 DOMWrapperWorld::~DOMWrapperWorld()
  99 {
 100     ASSERT(!isMainWorld());
 101
 102     dispose();
 103
 104     if (!isIsolatedWorld())
 105         return;
 106
 107     WorldMap& map = isolatedWorldMap();
 108     WorldMap::iterator it = map.find(m_worldId);
 109     if (it == map.end()) {
 110         ASSERT_NOT_REACHED();
 111         return;
 112     }
 113     ASSERT(it->value == this);
 114
 115     map.remove(it);
 116     isolatedWorldCount--;
 117 }
 118
 119 void DOMWrapperWorld::dispose()
 120 {
 121     m_domObjectHolders.clear();
 122     m_domDataStore.clear();
 123 }
 124
 125 #if ENABLE(ASSERT)
 126 static bool isIsolatedWorldId(int worldId)
 127 {
 128     return MainWorldId < worldId  && worldId < IsolatedWorldIdLimit;
 129 }
 130 #endif
 131
 132 PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::ensureIsolatedWorld(int worldId, int extensionGroup)
 133 {
 134     ASSERT(isIsolatedWorldId(worldId));
 135
 136     WorldMap& map = isolatedWorldMap();
 137     WorldMap::AddResult result = map.add(worldId, 0);
 138     RefPtr<DOMWrapperWorld> world = result.storedValue->value;
 139     if (world) {
 140         ASSERT(world->worldId() == worldId);
 141         ASSERT(world->extensionGroup() == extensionGroup);
 142         return world.release();
 143     }
 144
 145     world = DOMWrapperWorld::create(worldId, extensionGroup);
 146     result.storedValue->value = world.get();
 147     isolatedWorldCount++;
 148     return world.release();
 149 }
 150
 151 typedef HashMap<int, RefPtr<SecurityOrigin> > IsolatedWorldSecurityOriginMap;
 152 static IsolatedWorldSecurityOriginMap& isolatedWorldSecurityOrigins()
 153 {
 154     ASSERT(isMainThread());
 155     DEFINE_STATIC_LOCAL(IsolatedWorldSecurityOriginMap, map, ());
 156     return map;
 157 }
 158
 159 SecurityOrigin* DOMWrapperWorld::isolatedWorldSecurityOrigin()
 160 {
 161     ASSERT(this->isIsolatedWorld());
 162     IsolatedWorldSecurityOriginMap& origins = isolatedWorldSecurityOrigins();
 163     IsolatedWorldSecurityOriginMap::iterator it = origins.find(worldId());
 164     return it == origins.end() ? 0 : it->value.get();
 165 }
 166
 167 void DOMWrapperWorld::setIsolatedWorldSecurityOrigin(int worldId, PassRefPtr<SecurityOrigin> securityOrigin)
 168 {
 169     ASSERT(isIsolatedWorldId(worldId));
 170     if (securityOrigin)
 171         isolatedWorldSecurityOrigins().set(worldId, securityOrigin);
 172     else
 173         isolatedWorldSecurityOrigins().remove(worldId);
 174 }
 175
 176 typedef HashMap<int, String > IsolatedWorldHumanReadableNameMap;
 177 static IsolatedWorldHumanReadableNameMap& isolatedWorldHumanReadableNames()
 178 {
 179     ASSERT(isMainThread());
 180     DEFINE_STATIC_LOCAL(IsolatedWorldHumanReadableNameMap, map, ());
 181     return map;
 182 }
 183
 184 String DOMWrapperWorld::isolatedWorldHumanReadableName()
 185 {
 186     ASSERT(this->isIsolatedWorld());
 187     return isolatedWorldHumanReadableNames().get(worldId());
 188 }
 189
 190 void DOMWrapperWorld::setIsolatedWorldHumanReadableName(int worldId, const String& humanReadableName)
 191 {
 192     ASSERT(isIsolatedWorldId(worldId));
 193     isolatedWorldHumanReadableNames().set(worldId, humanReadableName);
 194 }
 195
 196 typedef HashMap<int, bool> IsolatedWorldContentSecurityPolicyMap;
 197 static IsolatedWorldContentSecurityPolicyMap& isolatedWorldContentSecurityPolicies()
 198 {
 199     ASSERT(isMainThread());
 200     DEFINE_STATIC_LOCAL(IsolatedWorldContentSecurityPolicyMap, map, ());
 201     return map;
 202 }
 203
 204 bool DOMWrapperWorld::isolatedWorldHasContentSecurityPolicy()
 205 {
 206     ASSERT(this->isIsolatedWorld());
 207     IsolatedWorldContentSecurityPolicyMap& policies = isolatedWorldContentSecurityPolicies();
 208     IsolatedWorldContentSecurityPolicyMap::iterator it = policies.find(worldId());
 209     return it == policies.end() ? false : it->value;
 210 }
 211
 212 void DOMWrapperWorld::setIsolatedWorldContentSecurityPolicy(int worldId, const String& policy)
 213 {
 214     ASSERT(isIsolatedWorldId(worldId));
 215     if (!policy.isEmpty())
 216         isolatedWorldContentSecurityPolicies().set(worldId, true);
 217     else
 218         isolatedWorldContentSecurityPolicies().remove(worldId);
 219 }
 220
 221 void DOMWrapperWorld::registerDOMObjectHolderInternal(PassOwnPtr<DOMObjectHolderBase> holderBase)
 222 {
 223     ASSERT(!m_domObjectHolders.contains(holderBase.get()));
 224     holderBase->setWorld(this);
 225     holderBase->setWeak(&DOMWrapperWorld::weakCallbackForDOMObjectHolder);
 226     m_domObjectHolders.add(holderBase);
 227 }
 228
 229 void DOMWrapperWorld::unregisterDOMObjectHolder(DOMObjectHolderBase* holderBase)
 230 {
 231     ASSERT(m_domObjectHolders.contains(holderBase));
 232     m_domObjectHolders.remove(holderBase);
 233 }
 234
 235 void DOMWrapperWorld::weakCallbackForDOMObjectHolder(const v8::WeakCallbackData<v8::Value, DOMObjectHolderBase>& data)
 236 {
 237     DOMObjectHolderBase* holderBase = data.GetParameter();
 238     holderBase->world()->unregisterDOMObjectHolder(holderBase);
 239 }
 240
 241 } // namespace blink