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      1 /*
      2  * Copyright (C) 2011 Apple 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
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
     14  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     15  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
     17  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     18  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     19  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     20  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     21  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     22  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
     23  * THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #if ENABLE(DOM_STORAGE)
     27 
     28 #import "WebStorageTrackerClient.h"
     29 
     30 #import "WebSecurityOriginInternal.h"
     31 #import "WebStorageManagerPrivate.h"
     32 #import <WebCore/PlatformString.h>
     33 #import <WebCore/SecurityOrigin.h>
     34 #import <wtf/MainThread.h>
     35 #import <wtf/RetainPtr.h>
     36 
     37 using namespace WebCore;
     38 
     39 WebStorageTrackerClient* WebStorageTrackerClient::sharedWebStorageTrackerClient()
     40 {
     41     static WebStorageTrackerClient* sharedClient = new WebStorageTrackerClient();
     42     return sharedClient;
     43 }
     44 
     45 WebStorageTrackerClient::WebStorageTrackerClient()
     46 {
     47 }
     48 
     49 WebStorageTrackerClient::~WebStorageTrackerClient()
     50 {
     51 }
     52 
     53 void WebStorageTrackerClient::dispatchDidModifyOriginOnMainThread(void* context)
     54 {
     55     ASSERT(isMainThread());
     56     // adoptRef is balanced by leakRef in dispatchDidModifyOrigin.
     57     RefPtr<SecurityOrigin> origin = adoptRef(static_cast<SecurityOrigin*>(context));
     58     WebStorageTrackerClient::sharedWebStorageTrackerClient()->dispatchDidModifyOrigin(origin.get());
     59 }
     60 
     61 void WebStorageTrackerClient::dispatchDidModifyOrigin(PassRefPtr<SecurityOrigin> origin)
     62 {
     63     RetainPtr<WebSecurityOrigin> webSecurityOrigin(AdoptNS, [[WebSecurityOrigin alloc] _initWithWebCoreSecurityOrigin:origin.get()]);
     64 
     65     [[NSNotificationCenter defaultCenter] postNotificationName:WebStorageDidModifyOriginNotification
     66                                                         object:webSecurityOrigin.get()];
     67 }
     68 
     69 void WebStorageTrackerClient::dispatchDidModifyOrigin(const String& originIdentifier)
     70 {
     71     PassRefPtr<SecurityOrigin> origin = SecurityOrigin::createFromDatabaseIdentifier(originIdentifier);
     72 
     73     if (!isMainThread()) {
     74         // leakRef is balanced by adoptRef in dispatchDidModifyOriginOnMainThread.
     75         callOnMainThread(dispatchDidModifyOriginOnMainThread, origin.leakRef());
     76         return;
     77     }
     78 
     79     dispatchDidModifyOrigin(origin);
     80 }
     81 
     82 #endif
     83