1 /* 2 * Copyright (C) 2010 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 MemoryInfo_h 32 #define MemoryInfo_h 33 34 #include <wtf/PassRefPtr.h> 35 #include <wtf/RefCounted.h> 36 37 namespace WebCore { 38 39 class Frame; 40 41 class MemoryInfo : public RefCounted<MemoryInfo> { 42 public: 43 static PassRefPtr<MemoryInfo> create(Frame* frame) { return adoptRef(new MemoryInfo(frame)); } 44 45 size_t totalJSHeapSize() const { return m_totalJSHeapSize; } 46 size_t usedJSHeapSize() const { return m_usedJSHeapSize; } 47 size_t jsHeapSizeLimit() const { return m_jsHeapSizeLimit; } 48 49 private: 50 MemoryInfo(Frame*); 51 52 size_t m_totalJSHeapSize; 53 size_t m_usedJSHeapSize; 54 size_t m_jsHeapSizeLimit; 55 }; 56 57 } // namespace WebCore 58 59 #endif // MemoryInfo_h 60
