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      1 /*
      2  * Copyright (C) 2011 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 "StorageInfo.h"
     33 
     34 #if ENABLE(QUOTA)
     35 
     36 #include "DOMCoreException.h"
     37 #include "Document.h"
     38 #include "ScriptExecutionContext.h"
     39 #include "StorageInfoErrorCallback.h"
     40 #include "StorageInfoQuotaCallback.h"
     41 #include "StorageInfoUsageCallback.h"
     42 #include "WebFrameClient.h"
     43 #include "WebFrameImpl.h"
     44 #include "WebStorageQuotaCallbacksImpl.h"
     45 #include "WebStorageQuotaType.h"
     46 
     47 using namespace WebKit;
     48 
     49 namespace WebCore {
     50 
     51 namespace {
     52 void fireStorageInfoErrorCallback(PassRefPtr<StorageInfoErrorCallback> errorCallback, ExceptionCode ec)
     53 {
     54     ASSERT(errorCallback);
     55     ExceptionCodeDescription description;
     56     getExceptionCodeDescription(ec, description);
     57     errorCallback->handleEvent(DOMCoreException::create(description).get());
     58 }
     59 }
     60 
     61 void StorageInfo::queryUsageAndQuota(ScriptExecutionContext* context, int storageType, PassRefPtr<StorageInfoUsageCallback> successCallback, PassRefPtr<StorageInfoErrorCallback> errorCallback)
     62 {
     63     ASSERT(context);
     64     if (storageType != WebStorageQuotaTypeTemporary && storageType != WebStorageQuotaTypePersistent) {
     65         // Unknown storage type is requested.
     66         fireStorageInfoErrorCallback(errorCallback, NOT_SUPPORTED_ERR);
     67         return;
     68     }
     69     if (context->isDocument()) {
     70         Document* document = static_cast<Document*>(context);
     71         WebFrameImpl* webFrame = WebFrameImpl::fromFrame(document->frame());
     72         webFrame->client()->queryStorageUsageAndQuota(webFrame, static_cast<WebStorageQuotaType>(storageType), new WebStorageQuotaCallbacksImpl(successCallback, errorCallback));
     73     } else if (errorCallback) {
     74         // FIXME: calling this on worker is not yet supported.
     75         fireStorageInfoErrorCallback(errorCallback, NOT_SUPPORTED_ERR);
     76     }
     77 }
     78 
     79 void StorageInfo::requestQuota(ScriptExecutionContext* context, int storageType, unsigned long long newQuotaInBytes, PassRefPtr<StorageInfoQuotaCallback> successCallback, PassRefPtr<StorageInfoErrorCallback> errorCallback)
     80 {
     81     ASSERT(context);
     82     if (storageType != WebStorageQuotaTypeTemporary && storageType != WebStorageQuotaTypePersistent) {
     83         // Unknown storage type is requested.
     84         fireStorageInfoErrorCallback(errorCallback, NOT_SUPPORTED_ERR);
     85         return;
     86     }
     87     if (context->isDocument()) {
     88         Document* document = static_cast<Document*>(context);
     89         WebFrameImpl* webFrame = WebFrameImpl::fromFrame(document->frame());
     90         webFrame->client()->requestStorageQuota(webFrame, static_cast<WebStorageQuotaType>(storageType), newQuotaInBytes, new WebStorageQuotaCallbacksImpl(successCallback, errorCallback));
     91     } else if (errorCallback) {
     92         // FIXME: calling this on worker is not yet supported.
     93         fireStorageInfoErrorCallback(errorCallback, NOT_SUPPORTED_ERR);
     94     }
     95 }
     96 
     97 } // namespace WebCore
     98 
     99 #endif // ENABLE(QUOTA)
    100