1 /* 2 * Copyright (C) 2009 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 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 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 PluginHalter_h 27 #define PluginHalter_h 28 29 #include "PluginHalterClient.h" 30 #include "Timer.h" 31 #include <wtf/HashMap.h> 32 #include <wtf/OwnPtr.h> 33 34 namespace WebCore { 35 36 class HaltablePlugin; 37 38 class PluginHalter { 39 WTF_MAKE_NONCOPYABLE(PluginHalter); WTF_MAKE_FAST_ALLOCATED; 40 public: 41 PluginHalter(PluginHalterClient*); 42 43 void didStartPlugin(HaltablePlugin*); 44 void didStopPlugin(HaltablePlugin*); 45 setPluginAllowedRunTime(unsigned runTime)46 void setPluginAllowedRunTime(unsigned runTime) { m_pluginAllowedRunTime = runTime; } 47 48 private: 49 void timerFired(Timer<PluginHalter>*); 50 void startTimerIfNecessary(); 51 52 OwnPtr<PluginHalterClient> m_client; 53 Timer<PluginHalter> m_timer; 54 unsigned m_pluginAllowedRunTime; 55 double m_oldestStartTime; 56 HashMap<HaltablePlugin*, double> m_plugins; 57 }; 58 59 } // namespace WebCore 60 61 #endif // PluginHalter_h 62