mirror of
https://github.com/RGBCube/serenity
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f39e5352f0
This patch adds the EventTarget class and makes Node inherit from it. You can register event listeners on an EventTarget, and when you call dispatch_event() on it, the event listeners will get invoked. An event listener is basically a wrapper around a JS::Function*. This is pretty far from how DOM events should eventually work, but it's a place to start and we'll build more on top of this. :^)
56 lines
1.9 KiB
C++
56 lines
1.9 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <LibJS/Runtime/PrimitiveString.h>
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#include <LibJS/Runtime/Value.h>
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#include <LibWeb/Bindings/NodeWrapper.h>
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#include <LibWeb/DOM/Node.h>
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namespace Web {
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namespace Bindings {
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NodeWrapper::NodeWrapper(Node& node)
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: EventTargetWrapper(node)
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{
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put("nodeName", JS::js_string(heap(), node.tag_name()));
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}
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NodeWrapper::~NodeWrapper()
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{
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}
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Node& NodeWrapper::node()
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{
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return static_cast<Node&>(EventTargetWrapper::impl());
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}
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const Node& NodeWrapper::node() const
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{
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return static_cast<const Node&>(EventTargetWrapper::impl());
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}
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}
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}
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