src/third_party/WebKit/Source/core/dom/custom/CustomElementCallbackInvocation.cpp

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  30
  31 #include "config.h"
  32 #include "core/dom/custom/CustomElementCallbackInvocation.h"
  33
  34 #include "core/dom/Element.h"
  35 #include "core/dom/custom/CustomElementScheduler.h"
  36
  37 namespace WebCore {
  38
  39 class AttachedDetachedInvocation : public CustomElementCallbackInvocation {
  40 public:
  41     AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, CustomElementLifecycleCallbacks::CallbackType which);
  42
  43 private:
  44     virtual void dispatch(Element*) OVERRIDE;
  45
  46     CustomElementLifecycleCallbacks::CallbackType m_which;
  47 };
  48
  49 AttachedDetachedInvocation::AttachedDetachedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
  50     : CustomElementCallbackInvocation(callbacks)
  51     , m_which(which)
  52 {
  53     ASSERT(m_which == CustomElementLifecycleCallbacks::Attached || m_which == CustomElementLifecycleCallbacks::Detached);
  54 }
  55
  56 void AttachedDetachedInvocation::dispatch(Element* element)
  57 {
  58     switch (m_which) {
  59     case CustomElementLifecycleCallbacks::Attached:
  60         callbacks()->attached(element);
  61         break;
  62     case CustomElementLifecycleCallbacks::Detached:
  63         callbacks()->detached(element);
  64         break;
  65     default:
  66         ASSERT_NOT_REACHED();
  67     }
  68 }
  69
  70 class AttributeChangedInvocation : public CustomElementCallbackInvocation {
  71 public:
  72     AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks>, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue);
  73
  74 private:
  75     virtual void dispatch(Element*) OVERRIDE;
  76
  77     AtomicString m_name;
  78     AtomicString m_oldValue;
  79     AtomicString m_newValue;
  80 };
  81
  82 AttributeChangedInvocation::AttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
  83     : CustomElementCallbackInvocation(callbacks)
  84     , m_name(name)
  85     , m_oldValue(oldValue)
  86     , m_newValue(newValue)
  87 {
  88 }
  89
  90 void AttributeChangedInvocation::dispatch(Element* element)
  91 {
  92     callbacks()->attributeChanged(element, m_name, m_oldValue, m_newValue);
  93 }
  94
  95 class CreatedInvocation : public CustomElementCallbackInvocation {
  96 public:
  97     CreatedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks)
  98         : CustomElementCallbackInvocation(callbacks)
  99     {
 100     }
 101
 102 private:
 103     virtual void dispatch(Element*) OVERRIDE;
 104     virtual bool isCreated() const OVERRIDE { return true; }
 105 };
 106
 107 void CreatedInvocation::dispatch(Element* element)
 108 {
 109     if (element->inDocument() && element->document().domWindow())
 110         CustomElementScheduler::scheduleAttachedCallback(callbacks(), element);
 111     callbacks()->created(element);
 112 }
 113
 114 PassOwnPtr<CustomElementCallbackInvocation> CustomElementCallbackInvocation::createInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, CustomElementLifecycleCallbacks::CallbackType which)
 115 {
 116     switch (which) {
 117     case CustomElementLifecycleCallbacks::Created:
 118         return adoptPtr(new CreatedInvocation(callbacks));
 119
 120     case CustomElementLifecycleCallbacks::Attached:
 121     case CustomElementLifecycleCallbacks::Detached:
 122         return adoptPtr(new AttachedDetachedInvocation(callbacks, which));
 123     default:
 124         ASSERT_NOT_REACHED();
 125         return PassOwnPtr<CustomElementCallbackInvocation>();
 126     }
 127 }
 128
 129 PassOwnPtr<CustomElementCallbackInvocation> CustomElementCallbackInvocation::createAttributeChangedInvocation(PassRefPtr<CustomElementLifecycleCallbacks> callbacks, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue)
 130 {
 131     return adoptPtr(new AttributeChangedInvocation(callbacks, name, oldValue, newValue));
 132 }
 133
 134 } // namespace WebCore