third_party/WebKit/Source/web/LocalFileSystemClient.cpp

   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/LocalFileSystemClient.h"
  33
  34 #include "core/dom/Document.h"
  35 #include "core/workers/WorkerGlobalScope.h"
  36 #include "platform/ContentSettingCallbacks.h"
  37 #include "platform/weborigin/SecurityOrigin.h"
  38 #include "public/platform/WebContentSettingCallbacks.h"
  39 #include "public/web/WebContentSettingsClient.h"
  40 #include "web/WebLocalFrameImpl.h"
  41 #include "web/WorkerContentSettingsClient.h"
  42 #include "wtf/text/WTFString.h"
  43
  44 namespace blink {
  45
  46 PassOwnPtr<FileSystemClient> LocalFileSystemClient::create()
  47 {
  48     return adoptPtr(static_cast<FileSystemClient*>(new LocalFileSystemClient()));
  49 }
  50
  51 LocalFileSystemClient::~LocalFileSystemClient()
  52 {
  53 }
  54
  55 bool LocalFileSystemClient::requestFileSystemAccessSync(ExecutionContext* context)
  56 {
  57     ASSERT(context);
  58     if (context->isDocument()) {
  59         ASSERT_NOT_REACHED();
  60         return false;
  61     }
  62
  63     ASSERT(context->isWorkerGlobalScope());
  64     return WorkerContentSettingsClient::from(*toWorkerGlobalScope(context))->requestFileSystemAccessSync();
  65 }
  66
  67 void LocalFileSystemClient::requestFileSystemAccessAsync(ExecutionContext* context, PassOwnPtr<ContentSettingCallbacks> callbacks)
  68 {
  69     ASSERT(context);
  70     if (!context->isDocument()) {
  71         ASSERT_NOT_REACHED();
  72         return;
  73     }
  74
  75     Document* document = toDocument(context);
  76     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(document->frame());
  77     if (!webFrame->contentSettingsClient()) {
  78         callbacks->onAllowed();
  79         return;
  80     }
  81     webFrame->contentSettingsClient()->requestFileSystemAccessAsync(callbacks);
  82 }
  83
  84 LocalFileSystemClient::LocalFileSystemClient()
  85 {
  86 }
  87
  88 } // namespace blink