1 /* 2 * Copyright (C) 2007 Apple 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 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef ProgressTracker_h 27 #define ProgressTracker_h 28 29 #include <wtf/HashMap.h> 30 #include <wtf/Noncopyable.h> 31 #include <wtf/RefPtr.h> 32 33 namespace WebCore { 34 35 class Frame; 36 class ResourceResponse; 37 struct ProgressItem; 38 39 class ProgressTracker { 40 WTF_MAKE_NONCOPYABLE(ProgressTracker); WTF_MAKE_FAST_ALLOCATED; 41 public: 42 ProgressTracker(); 43 ~ProgressTracker(); 44 45 static unsigned long createUniqueIdentifier(); 46 47 double estimatedProgress() const; 48 49 void progressStarted(Frame*); 50 void progressCompleted(Frame*); 51 52 void incrementProgress(unsigned long identifier, const ResourceResponse&); 53 void incrementProgress(unsigned long identifier, const char*, int); 54 void completeProgress(unsigned long identifier); 55 56 long long totalPageAndResourceBytesToLoad() const { return m_totalPageAndResourceBytesToLoad; } 57 long long totalBytesReceived() const { return m_totalBytesReceived; } 58 59 private: 60 void reset(); 61 void finalProgressComplete(); 62 63 static unsigned long s_uniqueIdentifier; 64 65 long long m_totalPageAndResourceBytesToLoad; 66 long long m_totalBytesReceived; 67 double m_lastNotifiedProgressValue; 68 double m_lastNotifiedProgressTime; 69 double m_progressNotificationInterval; 70 double m_progressNotificationTimeInterval; 71 bool m_finalProgressChangedSent; 72 double m_progressValue; 73 RefPtr<Frame> m_originatingProgressFrame; 74 75 int m_numProgressTrackedFrames; 76 HashMap<unsigned long, ProgressItem*> m_progressItems; 77 }; 78 79 } 80 81 #endif 82
