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 #ifndef WebStorageQuotaCallbacks_h 32 #define WebStorageQuotaCallbacks_h 33 34 #include "WebCommon.h" 35 #include "WebPrivatePtr.h" 36 #include "WebStorageQuotaError.h" 37 38 namespace WebCore { 39 class StorageQuotaCallbacks; 40 } 41 42 namespace WTF { template <typename T> class PassOwnPtr; } 43 44 namespace blink { 45 46 class WebStorageQuotaCallbacksPrivate; 47 48 class WebStorageQuotaCallbacks { 49 public: ~WebStorageQuotaCallbacks()50 ~WebStorageQuotaCallbacks() { reset(); } WebStorageQuotaCallbacks()51 WebStorageQuotaCallbacks() { } WebStorageQuotaCallbacks(const WebStorageQuotaCallbacks & c)52 WebStorageQuotaCallbacks(const WebStorageQuotaCallbacks& c) { assign(c); } 53 WebStorageQuotaCallbacks& operator=(const WebStorageQuotaCallbacks& c) 54 { 55 assign(c); 56 return *this; 57 } 58 59 BLINK_PLATFORM_EXPORT void reset(); 60 BLINK_PLATFORM_EXPORT void assign(const WebStorageQuotaCallbacks&); 61 62 #if INSIDE_BLINK 63 BLINK_PLATFORM_EXPORT WebStorageQuotaCallbacks(const WTF::PassOwnPtr<WebCore::StorageQuotaCallbacks>&); 64 #endif 65 66 // Callback for WebFrameClient::queryStorageUsageAndQuota. 67 BLINK_PLATFORM_EXPORT void didQueryStorageUsageAndQuota(unsigned long long usageInBytes, unsigned long long quotaInBytes); 68 69 // Callback for WebFrameClient::requestStorageQuota. 70 // This may return a smaller amount of quota than the requested. 71 BLINK_PLATFORM_EXPORT void didGrantStorageQuota(unsigned long long usageInBytes, unsigned long long grantedQuotaInBytes); 72 73 BLINK_PLATFORM_EXPORT void didFail(WebStorageQuotaError); 74 75 private: 76 WebPrivatePtr<WebStorageQuotaCallbacksPrivate> m_private; 77 }; 78 79 } // namespace blink 80 81 #endif // WebStorageQuotaCallbacks_h 82