| /* |
| * Copyright (C) 2009 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "DOMWrapperWorld.h" |
| |
| #include <wtf/MainThread.h> |
| #include <wtf/StdLibExtras.h> |
| |
| namespace WebCore { |
| |
| int DOMWrapperWorld::isolatedWorldCount = 0; |
| |
| PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::createUninitializedWorld() |
| { |
| return adoptRef(new DOMWrapperWorld(uninitializedWorldId, uninitializedExtensionGroup)); |
| } |
| |
| PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::createMainWorld() |
| { |
| return adoptRef(new DOMWrapperWorld(mainWorldId, mainWorldExtensionGroup)); |
| } |
| |
| DOMWrapperWorld* mainThreadNormalWorld() |
| { |
| ASSERT(isMainThread()); |
| DEFINE_STATIC_LOCAL(RefPtr<DOMWrapperWorld>, cachedNormalWorld, (DOMWrapperWorld::createMainWorld())); |
| return cachedNormalWorld.get(); |
| } |
| |
| typedef HashMap<int, DOMWrapperWorld*> WorldMap; |
| static WorldMap& isolatedWorldMap() |
| { |
| ASSERT(isMainThread()); |
| DEFINE_STATIC_LOCAL(WorldMap, map, ()); |
| return map; |
| } |
| |
| void DOMWrapperWorld::getAllWorlds(Vector<RefPtr<DOMWrapperWorld> >& worlds) |
| { |
| worlds.append(mainThreadNormalWorld()); |
| WorldMap& isolatedWorlds = isolatedWorldMap(); |
| for (WorldMap::iterator it = isolatedWorlds.begin(); it != isolatedWorlds.end(); ++it) |
| worlds.append(it->value); |
| } |
| |
| void DOMWrapperWorld::deallocate(DOMWrapperWorld* world) |
| { |
| int worldId = world->worldId(); |
| |
| // Ensure we never deallocate mainThreadNormalWorld |
| if (worldId == mainWorldId) |
| return; |
| |
| delete world; |
| |
| if (worldId == uninitializedWorldId) |
| return; |
| |
| WorldMap& map = isolatedWorldMap(); |
| WorldMap::iterator i = map.find(worldId); |
| if (i == map.end()) { |
| ASSERT_NOT_REACHED(); |
| return; |
| } |
| ASSERT(i->value == world); |
| |
| map.remove(i); |
| isolatedWorldCount--; |
| } |
| |
| static int temporaryWorldId = DOMWrapperWorld::uninitializedWorldId-1; |
| |
| PassRefPtr<DOMWrapperWorld> DOMWrapperWorld::ensureIsolatedWorld(int worldId, int extensionGroup) |
| { |
| ASSERT(worldId != mainWorldId); |
| |
| WorldMap& map = isolatedWorldMap(); |
| if (worldId == uninitializedWorldId) |
| worldId = temporaryWorldId--; |
| else { |
| WorldMap::iterator i = map.find(worldId); |
| if (i != map.end()) { |
| ASSERT(i->value->worldId() == worldId); |
| ASSERT(i->value->extensionGroup() == extensionGroup); |
| return i->value; |
| } |
| } |
| |
| RefPtr<DOMWrapperWorld> world = adoptRef(new DOMWrapperWorld(worldId, extensionGroup)); |
| map.add(worldId, world.get()); |
| isolatedWorldCount++; |
| return world.release(); |
| } |
| |
| typedef HashMap<int, RefPtr<SecurityOrigin> > IsolatedWorldSecurityOriginMap; |
| static IsolatedWorldSecurityOriginMap& isolatedWorldSecurityOrigins() |
| { |
| ASSERT(isMainThread()); |
| DEFINE_STATIC_LOCAL(IsolatedWorldSecurityOriginMap, map, ()); |
| return map; |
| } |
| |
| SecurityOrigin* DOMWrapperWorld::isolatedWorldSecurityOrigin() |
| { |
| ASSERT(this->isIsolatedWorld()); |
| IsolatedWorldSecurityOriginMap& origins = isolatedWorldSecurityOrigins(); |
| IsolatedWorldSecurityOriginMap::iterator it = origins.find(worldId()); |
| return it == origins.end() ? 0 : it->value.get(); |
| } |
| |
| void DOMWrapperWorld::setIsolatedWorldSecurityOrigin(int worldID, PassRefPtr<SecurityOrigin> securityOrigin) |
| { |
| ASSERT(DOMWrapperWorld::isIsolatedWorldId(worldID)); |
| if (securityOrigin) |
| isolatedWorldSecurityOrigins().set(worldID, securityOrigin); |
| else |
| isolatedWorldSecurityOrigins().remove(worldID); |
| } |
| |
| void DOMWrapperWorld::clearIsolatedWorldSecurityOrigin(int worldID) |
| { |
| ASSERT(DOMWrapperWorld::isIsolatedWorldId(worldID)); |
| isolatedWorldSecurityOrigins().remove(worldID); |
| } |
| |
| typedef HashMap<int, bool> IsolatedWorldContentSecurityPolicyMap; |
| static IsolatedWorldContentSecurityPolicyMap& isolatedWorldContentSecurityPolicies() |
| { |
| ASSERT(isMainThread()); |
| DEFINE_STATIC_LOCAL(IsolatedWorldContentSecurityPolicyMap, map, ()); |
| return map; |
| } |
| |
| bool DOMWrapperWorld::isolatedWorldHasContentSecurityPolicy() |
| { |
| ASSERT(this->isIsolatedWorld()); |
| IsolatedWorldContentSecurityPolicyMap& policies = isolatedWorldContentSecurityPolicies(); |
| IsolatedWorldContentSecurityPolicyMap::iterator it = policies.find(worldId()); |
| return it == policies.end() ? false : it->value; |
| } |
| |
| void DOMWrapperWorld::setIsolatedWorldContentSecurityPolicy(int worldID, const String& policy) |
| { |
| ASSERT(DOMWrapperWorld::isIsolatedWorldId(worldID)); |
| if (!policy.isEmpty()) |
| isolatedWorldContentSecurityPolicies().set(worldID, true); |
| else |
| isolatedWorldContentSecurityPolicies().remove(worldID); |
| } |
| |
| void DOMWrapperWorld::clearIsolatedWorldContentSecurityPolicy(int worldID) |
| { |
| ASSERT(DOMWrapperWorld::isIsolatedWorldId(worldID)); |
| isolatedWorldContentSecurityPolicies().remove(worldID); |
| } |
| |
| } // namespace WebCore |