| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name of Google Inc. nor the names of its contributors |
| * may be used to endorse or promote products derived from this |
| * software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "core/dom/custom/CustomElementCallbackInvocation.h" |
| |
| #include "core/dom/Document.h" |
| #include "core/dom/Element.h" |
| #include "core/dom/custom/CustomElementScheduler.h" |
| |
| namespace blink { |
| |
| class AttachedDetachedInvocation final : public CustomElementCallbackInvocation { |
| public: |
| AttachedDetachedInvocation(CustomElementLifecycleCallbacks*, CustomElementLifecycleCallbacks::CallbackType which); |
| |
| private: |
| void dispatch(Element*) override; |
| |
| CustomElementLifecycleCallbacks::CallbackType m_which; |
| }; |
| |
| AttachedDetachedInvocation::AttachedDetachedInvocation(CustomElementLifecycleCallbacks* callbacks, CustomElementLifecycleCallbacks::CallbackType which) |
| : CustomElementCallbackInvocation(callbacks) |
| , m_which(which) |
| { |
| DCHECK(m_which == CustomElementLifecycleCallbacks::AttachedCallback || m_which == CustomElementLifecycleCallbacks::DetachedCallback); |
| } |
| |
| void AttachedDetachedInvocation::dispatch(Element* element) |
| { |
| switch (m_which) { |
| case CustomElementLifecycleCallbacks::AttachedCallback: |
| callbacks()->attached(element); |
| break; |
| case CustomElementLifecycleCallbacks::DetachedCallback: |
| callbacks()->detached(element); |
| break; |
| default: |
| ASSERT_NOT_REACHED(); |
| } |
| } |
| |
| class AttributeChangedInvocation final : public CustomElementCallbackInvocation { |
| public: |
| AttributeChangedInvocation(CustomElementLifecycleCallbacks*, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue); |
| |
| private: |
| void dispatch(Element*) override; |
| |
| AtomicString m_name; |
| AtomicString m_oldValue; |
| AtomicString m_newValue; |
| }; |
| |
| AttributeChangedInvocation::AttributeChangedInvocation(CustomElementLifecycleCallbacks* callbacks, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) |
| : CustomElementCallbackInvocation(callbacks) |
| , m_name(name) |
| , m_oldValue(oldValue) |
| , m_newValue(newValue) |
| { |
| } |
| |
| void AttributeChangedInvocation::dispatch(Element* element) |
| { |
| callbacks()->attributeChanged(element, m_name, m_oldValue, m_newValue); |
| } |
| |
| class CreatedInvocation final : public CustomElementCallbackInvocation { |
| public: |
| explicit CreatedInvocation(CustomElementLifecycleCallbacks* callbacks) |
| : CustomElementCallbackInvocation(callbacks) |
| { |
| } |
| |
| private: |
| void dispatch(Element*) override; |
| bool isCreatedCallback() const override { return true; } |
| }; |
| |
| void CreatedInvocation::dispatch(Element* element) |
| { |
| if (element->inShadowIncludingDocument() && element->document().domWindow()) |
| CustomElementScheduler::scheduleCallback(callbacks(), element, CustomElementLifecycleCallbacks::AttachedCallback); |
| callbacks()->created(element); |
| } |
| |
| CustomElementCallbackInvocation* CustomElementCallbackInvocation::createInvocation(CustomElementLifecycleCallbacks* callbacks, CustomElementLifecycleCallbacks::CallbackType which) |
| { |
| switch (which) { |
| case CustomElementLifecycleCallbacks::CreatedCallback: |
| return new CreatedInvocation(callbacks); |
| |
| case CustomElementLifecycleCallbacks::AttachedCallback: |
| case CustomElementLifecycleCallbacks::DetachedCallback: |
| return new AttachedDetachedInvocation(callbacks, which); |
| default: |
| ASSERT_NOT_REACHED(); |
| return nullptr; |
| } |
| } |
| |
| CustomElementCallbackInvocation* CustomElementCallbackInvocation::createAttributeChangedInvocation(CustomElementLifecycleCallbacks* callbacks, const AtomicString& name, const AtomicString& oldValue, const AtomicString& newValue) |
| { |
| return new AttributeChangedInvocation(callbacks, name, oldValue, newValue); |
| } |
| |
| DEFINE_TRACE(CustomElementCallbackInvocation) |
| { |
| visitor->trace(m_callbacks); |
| CustomElementProcessingStep::trace(visitor); |
| } |
| |
| } // namespace blink |