ladybird/Libraries/LibWeb/HtmlView.h
Andreas Kling 9b0bfcb8b7 LibWeb: Handle javascript: URLs inside LibWeb :^)
This patch makes it possible to execute JavaScript by clicking on an
anchor element with href="javascript:your_script_here()".
2020-04-04 22:12:37 +02:00

92 lines
3.2 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* 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.
*
* 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 HOLDER 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.
*/
#pragma once
#include <AK/URL.h>
#include <LibGUI/ScrollableWidget.h>
#include <LibWeb/DOM/Document.h>
namespace Web {
class Frame;
class HtmlView : public GUI::ScrollableWidget {
C_OBJECT(HtmlView)
public:
virtual ~HtmlView() override;
Document* document();
const Document* document() const;
void set_document(Document*);
const LayoutDocument* layout_root() const;
LayoutDocument* layout_root();
Web::Frame& main_frame() { return *m_main_frame; }
const Web::Frame& main_frame() const { return *m_main_frame; }
void reload();
void load(const URL&);
void load_error_page(const URL&, const String& error);
void scroll_to_anchor(const StringView&);
URL url() const;
void set_should_show_line_box_borders(bool value) { m_should_show_line_box_borders = value; }
Function<void(const String&)> on_link_click;
Function<void(const String&)> on_link_hover;
Function<void(const String&)> on_title_change;
Function<void(const URL&)> on_load_start;
virtual bool accepts_focus() const override { return true; }
protected:
HtmlView();
virtual void resize_event(GUI::ResizeEvent&) override;
virtual void paint_event(GUI::PaintEvent&) override;
virtual void mousemove_event(GUI::MouseEvent&) override;
virtual void mousedown_event(GUI::MouseEvent&) override;
virtual void mouseup_event(GUI::MouseEvent&) override;
virtual void keydown_event(GUI::KeyEvent&) override;
private:
virtual void did_scroll() override;
void run_javascript_url(const String& url);
void layout_and_sync_size();
void dump_selection(const char* event_name);
Gfx::Point compute_mouse_event_offset(const Gfx::Point&, const LayoutNode&) const;
RefPtr<Web::Frame> m_main_frame;
bool m_should_show_line_box_borders { false };
bool m_in_mouse_selection { false };
};
}