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      1 /*
      2     Copyright (C) 2006 Apple Computer, Inc.
      3                   2006 Nikolas Zimmermann <zimmermann (at) kde.org>
      4                   2007 Rob Buis <buis (at) kde.org>
      5 
      6     This file is part of the WebKit project
      7 
      8     This library is free software; you can redistribute it and/or
      9     modify it under the terms of the GNU Library General Public
     10     License as published by the Free Software Foundation; either
     11     version 2 of the License, or (at your option) any later version.
     12 
     13     This library is distributed in the hope that it will be useful,
     14     but WITHOUT ANY WARRANTY; without even the implied warranty of
     15     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     16     Library General Public License for more details.
     17 
     18     You should have received a copy of the GNU Library General Public License
     19     along with this library; see the file COPYING.LIB.  If not, write to
     20     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
     21     Boston, MA 02110-1301, USA.
     22 */
     23 
     24 #include "config.h"
     25 
     26 #if ENABLE(SVG)
     27 #include "SVGDocumentExtensions.h"
     28 
     29 #include "AtomicString.h"
     30 #include "Console.h"
     31 #include "DOMWindow.h"
     32 #include "Document.h"
     33 #include "EventListener.h"
     34 #include "Frame.h"
     35 #include "FrameLoader.h"
     36 #include "Page.h"
     37 #include "SVGSMILElement.h"
     38 #include "SVGSVGElement.h"
     39 #include "SMILTimeContainer.h"
     40 #include "XMLTokenizer.h"
     41 #include "ScriptController.h"
     42 
     43 namespace WebCore {
     44 
     45 SVGDocumentExtensions::SVGDocumentExtensions(Document* doc)
     46     : m_doc(doc)
     47 {
     48 }
     49 
     50 SVGDocumentExtensions::~SVGDocumentExtensions()
     51 {
     52     deleteAllValues(m_pendingResources);
     53 }
     54 
     55 void SVGDocumentExtensions::addTimeContainer(SVGSVGElement* element)
     56 {
     57     m_timeContainers.add(element);
     58 }
     59 
     60 void SVGDocumentExtensions::removeTimeContainer(SVGSVGElement* element)
     61 {
     62     m_timeContainers.remove(element);
     63 }
     64 
     65 void SVGDocumentExtensions::startAnimations()
     66 {
     67     // FIXME: Eventually every "Time Container" will need a way to latch on to some global timer
     68     // starting animations for a document will do this "latching"
     69 #if ENABLE(SVG_ANIMATION)
     70     HashSet<SVGSVGElement*>::iterator end = m_timeContainers.end();
     71     for (HashSet<SVGSVGElement*>::iterator itr = m_timeContainers.begin(); itr != end; ++itr)
     72         (*itr)->timeContainer()->begin();
     73 #endif
     74 }
     75 
     76 void SVGDocumentExtensions::pauseAnimations()
     77 {
     78     HashSet<SVGSVGElement*>::iterator end = m_timeContainers.end();
     79     for (HashSet<SVGSVGElement*>::iterator itr = m_timeContainers.begin(); itr != end; ++itr)
     80         (*itr)->pauseAnimations();
     81 }
     82 
     83 void SVGDocumentExtensions::unpauseAnimations()
     84 {
     85     HashSet<SVGSVGElement*>::iterator end = m_timeContainers.end();
     86     for (HashSet<SVGSVGElement*>::iterator itr = m_timeContainers.begin(); itr != end; ++itr)
     87         (*itr)->unpauseAnimations();
     88 }
     89 
     90 bool SVGDocumentExtensions::sampleAnimationAtTime(const String& elementId, SVGSMILElement* element, double time)
     91 {
     92     ASSERT(element);
     93     SMILTimeContainer* container = element->timeContainer();
     94     if (!container || container->isPaused())
     95         return false;
     96 
     97     container->sampleAnimationAtTime(elementId, time);
     98     return true;
     99 }
    100 
    101 void SVGDocumentExtensions::reportWarning(const String& message)
    102 {
    103     if (Frame* frame = m_doc->frame())
    104         frame->domWindow()->console()->addMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, "Warning: " + message, m_doc->tokenizer() ? m_doc->tokenizer()->lineNumber() : 1, String());
    105 }
    106 
    107 void SVGDocumentExtensions::reportError(const String& message)
    108 {
    109     if (Frame* frame = m_doc->frame())
    110         frame->domWindow()->console()->addMessage(JSMessageSource, LogMessageType, ErrorMessageLevel, "Error: " + message, m_doc->tokenizer() ? m_doc->tokenizer()->lineNumber() : 1, String());
    111 }
    112 
    113 void SVGDocumentExtensions::addPendingResource(const AtomicString& id, SVGStyledElement* obj)
    114 {
    115     ASSERT(obj);
    116 
    117     if (id.isEmpty())
    118         return;
    119 
    120     if (m_pendingResources.contains(id))
    121         m_pendingResources.get(id)->add(obj);
    122     else {
    123         HashSet<SVGStyledElement*>* set = new HashSet<SVGStyledElement*>();
    124         set->add(obj);
    125 
    126         m_pendingResources.add(id, set);
    127     }
    128 }
    129 
    130 bool SVGDocumentExtensions::isPendingResource(const AtomicString& id) const
    131 {
    132     if (id.isEmpty())
    133         return false;
    134 
    135     return m_pendingResources.contains(id);
    136 }
    137 
    138 std::auto_ptr<HashSet<SVGStyledElement*> > SVGDocumentExtensions::removePendingResource(const AtomicString& id)
    139 {
    140     ASSERT(m_pendingResources.contains(id));
    141 
    142     std::auto_ptr<HashSet<SVGStyledElement*> > set(m_pendingResources.get(id));
    143     m_pendingResources.remove(id);
    144     return set;
    145 }
    146 
    147 }
    148 
    149 #endif
    150