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      1 /*
      2  * Copyright (C) 2008 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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #include "config.h"
     30 #include "DocumentLoader.h"
     31 #include "Frame.h"
     32 #include "FrameLoader.h"
     33 #include "FrameTree.h"
     34 #include "Page.h"
     35 
     36 namespace WebCore {
     37 
     38 void Page::addSchedulePair(PassRefPtr<SchedulePair> prpPair)
     39 {
     40     RefPtr<SchedulePair> pair = prpPair;
     41 
     42     if (!m_scheduledRunLoopPairs)
     43         m_scheduledRunLoopPairs.set(new SchedulePairHashSet);
     44     m_scheduledRunLoopPairs->add(pair);
     45 
     46 #ifndef BUILDING_ON_TIGER
     47     for (Frame* frame = m_mainFrame.get(); frame; frame = frame->tree()->traverseNext()) {
     48         if (DocumentLoader* documentLoader = frame->loader()->documentLoader())
     49             documentLoader->schedule(pair.get());
     50         if (DocumentLoader* documentLoader = frame->loader()->provisionalDocumentLoader())
     51             documentLoader->schedule(pair.get());
     52     }
     53 #endif
     54 
     55     // FIXME: make SharedTimerMac use these SchedulePairs.
     56 }
     57 
     58 void Page::removeSchedulePair(PassRefPtr<SchedulePair> prpPair)
     59 {
     60     ASSERT(m_scheduledRunLoopPairs);
     61     if (!m_scheduledRunLoopPairs)
     62         return;
     63 
     64     RefPtr<SchedulePair> pair = prpPair;
     65     m_scheduledRunLoopPairs->remove(pair);
     66 
     67 #ifndef BUILDING_ON_TIGER
     68     for (Frame* frame = m_mainFrame.get(); frame; frame = frame->tree()->traverseNext()) {
     69         if (DocumentLoader* documentLoader = frame->loader()->documentLoader())
     70             documentLoader->unschedule(pair.get());
     71         if (DocumentLoader* documentLoader = frame->loader()->provisionalDocumentLoader())
     72             documentLoader->unschedule(pair.get());
     73     }
     74 #endif
     75 }
     76 
     77 } // namespace
     78