Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 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 |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 11 | * notice, this list of conditions and the following disclaimer. |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 14 | * documentation and/or other materials provided with the distribution. |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 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 |
Ben Murdoch | 02772c6 | 2013-07-26 10:21:05 +0100 | [diff] [blame] | 17 | * from this software without specific prior written permission. |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 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 NavigationScheduler_h |
| 32 | #define NavigationScheduler_h |
| 33 | |
| 34 | #include "core/platform/Timer.h" |
Ben Murdoch | e69819b | 2013-07-17 14:56:49 +0100 | [diff] [blame] | 35 | #include "wtf/Forward.h" |
| 36 | #include "wtf/Noncopyable.h" |
| 37 | #include "wtf/OwnPtr.h" |
| 38 | #include "wtf/PassOwnPtr.h" |
| 39 | #include "wtf/PassRefPtr.h" |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 40 | |
| 41 | namespace WebCore { |
| 42 | |
| 43 | class FormSubmission; |
| 44 | class Frame; |
| 45 | class ScheduledNavigation; |
| 46 | class SecurityOrigin; |
| 47 | |
| 48 | class NavigationDisablerForBeforeUnload { |
| 49 | WTF_MAKE_NONCOPYABLE(NavigationDisablerForBeforeUnload); |
| 50 | |
| 51 | public: |
| 52 | NavigationDisablerForBeforeUnload() |
| 53 | { |
| 54 | s_navigationDisableCount++; |
| 55 | } |
| 56 | ~NavigationDisablerForBeforeUnload() |
| 57 | { |
| 58 | ASSERT(s_navigationDisableCount); |
| 59 | s_navigationDisableCount--; |
| 60 | } |
| 61 | static bool isNavigationAllowed() { return !s_navigationDisableCount; } |
| 62 | |
| 63 | private: |
| 64 | static unsigned s_navigationDisableCount; |
| 65 | }; |
| 66 | |
| 67 | class NavigationScheduler { |
| 68 | WTF_MAKE_NONCOPYABLE(NavigationScheduler); |
| 69 | |
| 70 | public: |
| 71 | explicit NavigationScheduler(Frame*); |
| 72 | ~NavigationScheduler(); |
| 73 | |
| 74 | bool redirectScheduledDuringLoad(); |
| 75 | bool locationChangePending(); |
| 76 | |
| 77 | void scheduleRedirect(double delay, const String& url); |
Torne (Richard Coles) | 81a5157 | 2013-05-13 16:52:28 +0100 | [diff] [blame] | 78 | void scheduleLocationChange(SecurityOrigin*, const String& url, const String& referrer, bool lockBackForwardList = true); |
Torne (Richard Coles) | 53e740f | 2013-05-09 18:38:43 +0100 | [diff] [blame] | 79 | void scheduleFormSubmission(PassRefPtr<FormSubmission>); |
| 80 | void scheduleRefresh(); |
| 81 | void scheduleHistoryNavigation(int steps); |
| 82 | |
| 83 | void startTimer(); |
| 84 | |
| 85 | void cancel(); |
| 86 | void clear(); |
| 87 | |
| 88 | private: |
| 89 | bool shouldScheduleNavigation() const; |
| 90 | bool shouldScheduleNavigation(const String& url) const; |
| 91 | |
| 92 | void timerFired(Timer<NavigationScheduler>*); |
| 93 | void schedule(PassOwnPtr<ScheduledNavigation>); |
| 94 | |
| 95 | static bool mustLockBackForwardList(Frame* targetFrame); |
| 96 | |
| 97 | Frame* m_frame; |
| 98 | Timer<NavigationScheduler> m_timer; |
| 99 | OwnPtr<ScheduledNavigation> m_redirect; |
| 100 | }; |
| 101 | |
| 102 | } // namespace WebCore |
| 103 | |
| 104 | #endif // NavigationScheduler_h |