mirror of
https://github.com/RGBCube/serenity
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c6ddbd1f3e
There are now two API's on Value: - Value::to_string(Interpreter&) -- may throw. - Value::to_string_without_side_effects() -- will never throw. These are some pretty big sweeping changes, so it's possible that I did some part the wrong way. We'll work it out as we go. :^) Fixes #2123.
103 lines
3.6 KiB
C++
103 lines
3.6 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 <AK/FlyString.h>
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#include <AK/Function.h>
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#include <LibJS/Interpreter.h>
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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/CanvasRenderingContext2DWrapper.h>
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#include <LibWeb/Bindings/HTMLCanvasElementWrapper.h>
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#include <LibWeb/DOM/CanvasRenderingContext2D.h>
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#include <LibWeb/DOM/HTMLCanvasElement.h>
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namespace Web {
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namespace Bindings {
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HTMLCanvasElementWrapper::HTMLCanvasElementWrapper(HTMLCanvasElement& element)
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: ElementWrapper(element)
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{
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put_native_function("getContext", get_context, 1);
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put_native_property("width", width_getter, nullptr);
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put_native_property("height", height_getter, nullptr);
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}
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HTMLCanvasElementWrapper::~HTMLCanvasElementWrapper()
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{
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}
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HTMLCanvasElement& HTMLCanvasElementWrapper::node()
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{
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return static_cast<HTMLCanvasElement&>(NodeWrapper::node());
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}
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const HTMLCanvasElement& HTMLCanvasElementWrapper::node() const
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{
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return static_cast<const HTMLCanvasElement&>(NodeWrapper::node());
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}
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static HTMLCanvasElement* impl_from(JS::Interpreter& interpreter)
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{
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auto* this_object = interpreter.this_value().to_object(interpreter.heap());
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if (!this_object)
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return nullptr;
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// FIXME: Verify that it's a HTMLCanvasElementWrapper somehow!
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return &static_cast<HTMLCanvasElementWrapper*>(this_object)->node();
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}
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JS::Value HTMLCanvasElementWrapper::get_context(JS::Interpreter& interpreter)
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{
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auto* impl = impl_from(interpreter);
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if (!impl)
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return {};
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auto& arguments = interpreter.call_frame().arguments;
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if (arguments.size() >= 1) {
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auto string = arguments[0].to_string(interpreter);
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if (interpreter.exception())
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return {};
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auto* context = impl->get_context(string);
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return wrap(interpreter.heap(), *context);
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}
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return JS::js_undefined();
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}
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JS::Value HTMLCanvasElementWrapper::width_getter(JS::Interpreter& interpreter)
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{
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if (auto* impl = impl_from(interpreter))
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return JS::Value(impl->requested_width());
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return {};
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}
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JS::Value HTMLCanvasElementWrapper::height_getter(JS::Interpreter& interpreter)
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{
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if (auto* impl = impl_from(interpreter))
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return JS::Value(impl->requested_height());
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return {};
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}
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}
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}
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