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      1 /*
      2  * Copyright (C) 2013 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 "config.h"
     32 #include "web/WorkerPermissionClient.h"
     33 
     34 #include "core/workers/WorkerGlobalScope.h"
     35 #include "public/platform/WebPermissionCallbacks.h"
     36 #include "public/platform/WebString.h"
     37 #include "public/web/WebWorkerPermissionClientProxy.h"
     38 #include "wtf/PassOwnPtr.h"
     39 
     40 namespace blink {
     41 
     42 PassOwnPtrWillBeRawPtr<WorkerPermissionClient> WorkerPermissionClient::create(PassOwnPtr<WebWorkerPermissionClientProxy> proxy)
     43 {
     44     return adoptPtrWillBeNoop(new WorkerPermissionClient(proxy));
     45 }
     46 
     47 WorkerPermissionClient::~WorkerPermissionClient()
     48 {
     49 }
     50 
     51 bool WorkerPermissionClient::requestFileSystemAccessSync()
     52 {
     53     if (!m_proxy)
     54         return true;
     55     return m_proxy->requestFileSystemAccessSync();
     56 }
     57 
     58 bool WorkerPermissionClient::allowIndexedDB(const WebString& name)
     59 {
     60     if (!m_proxy)
     61         return true;
     62     return m_proxy->allowIndexedDB(name);
     63 }
     64 
     65 const char* WorkerPermissionClient::supplementName()
     66 {
     67     return "WorkerPermissionClient";
     68 }
     69 
     70 WorkerPermissionClient* WorkerPermissionClient::from(ExecutionContext& context)
     71 {
     72     WorkerClients* clients = toWorkerGlobalScope(context).clients();
     73     ASSERT(clients);
     74     return static_cast<WorkerPermissionClient*>(WillBeHeapSupplement<WorkerClients>::from(*clients, supplementName()));
     75 }
     76 
     77 WorkerPermissionClient::WorkerPermissionClient(PassOwnPtr<WebWorkerPermissionClientProxy> proxy)
     78     : m_proxy(proxy)
     79 {
     80 }
     81 
     82 void providePermissionClientToWorker(WorkerClients* clients, PassOwnPtr<WebWorkerPermissionClientProxy> proxy)
     83 {
     84     ASSERT(clients);
     85     WorkerPermissionClient::provideTo(*clients, WorkerPermissionClient::supplementName(), WorkerPermissionClient::create(proxy));
     86 }
     87 
     88 } // namespace blink
     89