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LibWeb: Add a DOM Event class (instead of events being simple strings)

This patch adds the Event base class, along with a MouseEvent subclass.
We now dispatch MouseEvent objects for mousedown, mouseup and mousemove
and these objects have the .offsetX and .offsetY properties.

Both of those properties are hard-coded at the moment. This will be
fixed in the next patch. :^)
This commit is contained in:
Andreas Kling 2020-03-21 18:17:18 +01:00
parent b196665131
commit 4dde36844b
15 changed files with 311 additions and 10 deletions

View file

@ -0,0 +1,36 @@
#pragma once
#include <LibWeb/DOM/Event.h>
namespace Web {
class MouseEvent final : public Event {
public:
using WrapperType = Bindings::MouseEventWrapper;
static NonnullRefPtr<MouseEvent> create(String event_name, i32 offset_x, i32 offset_y)
{
return adopt(*new MouseEvent(move(event_name), offset_x, offset_y));
}
virtual ~MouseEvent() override {}
i32 offset_x() const { return m_offset_x; }
i32 offset_y() const { return m_offset_y; }
protected:
MouseEvent(String event_name, i32 offset_x, i32 offset_y)
: Event(move(event_name))
, m_offset_x(offset_x)
, m_offset_y(offset_y)
{
}
private:
virtual bool is_mouse_event() const override { return true; }
i32 m_offset_x { 0 };
i32 m_offset_y { 0 };
};
}