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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 "WorkerPermissionClient.h"
     33 
     34 #include "core/workers/WorkerGlobalScope.h"
     35 #include "public/platform/WebString.h"
     36 #include "public/web/WebWorkerPermissionClientProxy.h"
     37 #include "wtf/PassOwnPtr.h"
     38 
     39 using namespace WebCore;
     40 
     41 namespace blink {
     42 
     43 PassOwnPtr<WorkerPermissionClient> WorkerPermissionClient::create(PassOwnPtr<WebWorkerPermissionClientProxy> proxy)
     44 {
     45     return adoptPtr(new WorkerPermissionClient(proxy));
     46 }
     47 
     48 WorkerPermissionClient::~WorkerPermissionClient()
     49 {
     50 }
     51 
     52 bool WorkerPermissionClient::allowDatabase(const WebString& name, const WebString& displayName, unsigned long estimatedSize)
     53 {
     54     if (!m_proxy)
     55         return true;
     56     return m_proxy->allowDatabase(name, displayName, estimatedSize);
     57 }
     58 
     59 bool WorkerPermissionClient::allowFileSystem()
     60 {
     61     if (!m_proxy)
     62         return true;
     63     return m_proxy->allowFileSystem();
     64 }
     65 
     66 bool WorkerPermissionClient::allowIndexedDB(const WebString& name)
     67 {
     68     if (!m_proxy)
     69         return true;
     70     return m_proxy->allowIndexedDB(name);
     71 }
     72 
     73 const char* WorkerPermissionClient::supplementName()
     74 {
     75     return "WorkerPermissionClient";
     76 }
     77 
     78 WorkerPermissionClient* WorkerPermissionClient::from(ExecutionContext* context)
     79 {
     80     return static_cast<WorkerPermissionClient*>(Supplement<WorkerClients>::from(toWorkerGlobalScope(context)->clients(), supplementName()));
     81 }
     82 
     83 WorkerPermissionClient::WorkerPermissionClient(PassOwnPtr<WebWorkerPermissionClientProxy> proxy)
     84     : m_proxy(proxy)
     85 {
     86 }
     87 
     88 void providePermissionClientToWorker(WorkerClients* clients, PassOwnPtr<WebWorkerPermissionClientProxy> proxy)
     89 {
     90     WorkerPermissionClient::provideTo(clients, WorkerPermissionClient::supplementName(), WorkerPermissionClient::create(proxy));
     91 }
     92 
     93 } // namespace blink
     94