1 /* 2 * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved. 3 * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/) 4 * Copyright (C) 2009 Adam Barth. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 16 * its contributors may be used to endorse or promote products derived 17 * from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 20 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 22 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 26 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef RedirectScheduler_h 32 #define RedirectScheduler_h 33 34 #include "Event.h" 35 #include "Timer.h" 36 #include <wtf/OwnPtr.h> 37 #include <wtf/PassOwnPtr.h> 38 #include <wtf/PassRefPtr.h> 39 40 namespace WebCore { 41 42 class FormState; 43 class Frame; 44 class String; 45 46 struct FrameLoadRequest; 47 struct ScheduledRedirection; 48 49 class RedirectScheduler : public Noncopyable { 50 public: 51 RedirectScheduler(Frame*); 52 ~RedirectScheduler(); 53 54 bool redirectScheduledDuringLoad(); 55 bool locationChangePending(); 56 57 void scheduleRedirect(double delay, const String& url); 58 void scheduleLocationChange(const String& url, const String& referrer, bool lockHistory = true, bool lockBackForwardList = true, bool userGesture = false); 59 void scheduleFormSubmission(const FrameLoadRequest&, bool lockHistory, PassRefPtr<Event>, PassRefPtr<FormState>); 60 void scheduleRefresh(bool userGesture = false); 61 void scheduleHistoryNavigation(int steps); 62 63 void startTimer(); 64 65 void cancel(bool newLoadInProgress = false); 66 void clear(); 67 68 private: 69 void timerFired(Timer<RedirectScheduler>*); 70 void schedule(PassOwnPtr<ScheduledRedirection>); 71 72 static bool mustLockBackForwardList(Frame* targetFrame); 73 74 Frame* m_frame; 75 Timer<RedirectScheduler> m_timer; 76 OwnPtr<ScheduledRedirection> m_scheduledRedirection; 77 }; 78 79 } // namespace WebCore 80 81 #endif // FrameLoader_h 82