mirror of
https://github.com/RGBCube/serenity
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d5412f4e78
The layout node, and therefore the painting box, is frequently destroyed and recreated. This causes us to forget the cached mouse position we use to highlight media controls. Move this cached position to the DOM node instead, which survives relayout.
217 lines
9.1 KiB
C++
217 lines
9.1 KiB
C++
/*
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* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Array.h>
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#include <LibGUI/Event.h>
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#include <LibGfx/AntiAliasingPainter.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/HTML/HTMLMediaElement.h>
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#include <LibWeb/HTML/HTMLVideoElement.h>
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#include <LibWeb/Layout/VideoBox.h>
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#include <LibWeb/Painting/BorderRadiusCornerClipper.h>
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#include <LibWeb/Painting/InputColors.h>
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#include <LibWeb/Painting/VideoPaintable.h>
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namespace Web::Painting {
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static constexpr auto control_box_color = Gfx::Color::from_rgb(0x26'26'26);
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static constexpr auto control_highlight_color = Gfx::Color::from_rgb(0x1d'99'f3);
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static constexpr Gfx::Color control_button_color(bool is_hovered)
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{
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if (!is_hovered)
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return Color::White;
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return control_highlight_color;
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}
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JS::NonnullGCPtr<VideoPaintable> VideoPaintable::create(Layout::VideoBox const& layout_box)
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{
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return layout_box.heap().allocate_without_realm<VideoPaintable>(layout_box);
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}
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VideoPaintable::VideoPaintable(Layout::VideoBox const& layout_box)
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: PaintableBox(layout_box)
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{
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}
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Layout::VideoBox& VideoPaintable::layout_box()
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{
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return static_cast<Layout::VideoBox&>(layout_node());
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}
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Layout::VideoBox const& VideoPaintable::layout_box() const
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{
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return static_cast<Layout::VideoBox const&>(layout_node());
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}
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void VideoPaintable::paint(PaintContext& context, PaintPhase phase) const
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{
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if (!is_visible())
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return;
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// FIXME: This should be done at a different level.
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if (is_out_of_view(context))
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return;
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PaintableBox::paint(context, phase);
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if (phase != PaintPhase::Foreground)
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return;
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auto video_rect = context.rounded_device_rect(absolute_rect());
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ScopedCornerRadiusClip corner_clip { context, context.painter(), video_rect, normalized_border_radii_data(ShrinkRadiiForBorders::Yes) };
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auto const& video_element = layout_box().dom_node();
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auto const& layout_mouse_position = video_element.layout_mouse_position({});
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Optional<DevicePixelPoint> mouse_position;
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if (layout_mouse_position.has_value() && document().hovered_node() == &video_element)
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mouse_position = context.rounded_device_point(*layout_mouse_position);
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auto paint_user_agent_controls = video_element.has_attribute(HTML::AttributeNames::controls);
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if (auto const& bitmap = layout_box().dom_node().current_frame()) {
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context.painter().draw_scaled_bitmap(video_rect.to_type<int>(), *bitmap, bitmap->rect(), 1.0f, to_gfx_scaling_mode(computed_values().image_rendering()));
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if (paint_user_agent_controls)
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paint_loaded_video_controls(context, video_element, video_rect, mouse_position);
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} else {
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auto input_colors = compute_input_colors(context.palette(), computed_values().accent_color());
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context.painter().fill_rect(video_rect.to_type<int>(), input_colors.light_gray);
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if (paint_user_agent_controls)
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paint_placeholder_video_controls(context, video_rect, mouse_position);
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}
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}
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void VideoPaintable::paint_loaded_video_controls(PaintContext& context, HTML::HTMLVideoElement const& video_element, DevicePixelRect video_rect, Optional<DevicePixelPoint> const& mouse_position) const
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{
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auto maximum_control_box_size = context.rounded_device_pixels(30);
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auto maximum_playback_button_size = context.rounded_device_pixels(15);
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auto maximum_playback_button_offset_x = context.rounded_device_pixels(15);
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auto is_hovered = document().hovered_node() == &video_element;
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auto is_paused = video_element.paused();
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if (!is_hovered && !is_paused)
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return;
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auto control_box_rect = video_rect;
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if (control_box_rect.height() > maximum_control_box_size)
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control_box_rect.take_from_top(control_box_rect.height() - maximum_control_box_size);
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context.painter().fill_rect(control_box_rect.to_type<int>(), control_box_color.with_alpha(0xd0));
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auto playback_button_size = min(maximum_playback_button_size, control_box_rect.height() / 2);
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auto playback_button_offset_x = min(maximum_playback_button_offset_x, control_box_rect.width());
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auto playback_button_offset_y = (control_box_rect.height() - playback_button_size) / 2;
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auto playback_button_location = control_box_rect.top_left().translated(playback_button_offset_x, playback_button_offset_y);
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auto playback_button_hover_rect = DevicePixelRect {
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control_box_rect.top_left(),
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{ playback_button_size + playback_button_offset_x * 2, control_box_rect.height() }
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};
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auto playback_button_is_hovered = mouse_position.has_value() && playback_button_hover_rect.contains(*mouse_position);
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auto playback_button_color = control_button_color(playback_button_is_hovered);
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if (is_paused) {
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Array<Gfx::IntPoint, 3> play_button_coordinates { {
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{ 0, 0 },
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{ static_cast<int>(playback_button_size), static_cast<int>(playback_button_size) / 2 },
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{ 0, static_cast<int>(playback_button_size) },
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} };
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context.painter().draw_triangle(playback_button_location.to_type<int>(), play_button_coordinates, playback_button_color);
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} else {
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DevicePixelRect pause_button_left_rect {
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playback_button_location,
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{ maximum_playback_button_size / 3, playback_button_size }
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};
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DevicePixelRect pause_button_right_rect {
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playback_button_location.translated(maximum_playback_button_size * 2 / 3, 0),
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{ maximum_playback_button_size / 3, playback_button_size }
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};
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context.painter().fill_rect(pause_button_left_rect.to_type<int>(), playback_button_color);
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context.painter().fill_rect(pause_button_right_rect.to_type<int>(), playback_button_color);
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}
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}
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void VideoPaintable::paint_placeholder_video_controls(PaintContext& context, DevicePixelRect video_rect, Optional<DevicePixelPoint> const& mouse_position) const
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{
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auto maximum_control_box_size = context.rounded_device_pixels(100);
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auto maximum_playback_button_size = context.rounded_device_pixels(40);
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auto center = video_rect.center();
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auto control_box_size = min(maximum_control_box_size, min(video_rect.width(), video_rect.height()) * 4 / 5);
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auto control_box_offset_x = control_box_size / 2;
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auto control_box_offset_y = control_box_size / 2;
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auto control_box_location = center.translated(-control_box_offset_x, -control_box_offset_y);
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DevicePixelRect control_box_rect { control_box_location, { control_box_size, control_box_size } };
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auto playback_button_size = min(maximum_playback_button_size, min(video_rect.width(), video_rect.height()) * 2 / 5);
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auto playback_button_offset_x = playback_button_size / 2;
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auto playback_button_offset_y = playback_button_size / 2;
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// We want to center the play button on its center of mass, which is not the midpoint of its vertices.
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// To do so, reduce its desired x offset by a factor of tan(30 degrees) / 2 (about 0.288685).
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playback_button_offset_x -= 0.288685f * static_cast<float>(static_cast<DevicePixels::Type>(playback_button_offset_x));
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auto playback_button_location = center.translated(-playback_button_offset_x, -playback_button_offset_y);
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Array<Gfx::IntPoint, 3> play_button_coordinates { {
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{ 0, 0 },
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{ static_cast<int>(playback_button_size), static_cast<int>(playback_button_size) / 2 },
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{ 0, static_cast<int>(playback_button_size) },
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} };
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auto playback_button_is_hovered = mouse_position.has_value() && control_box_rect.contains(*mouse_position);
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auto playback_button_color = control_button_color(playback_button_is_hovered);
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Gfx::AntiAliasingPainter painter { context.painter() };
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painter.fill_ellipse(control_box_rect.to_type<int>(), control_box_color);
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context.painter().draw_triangle(playback_button_location.to_type<int>(), play_button_coordinates, playback_button_color);
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}
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VideoPaintable::DispatchEventOfSameName VideoPaintable::handle_mouseup(Badge<EventHandler>, CSSPixelPoint, unsigned button, unsigned)
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{
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if (button != GUI::MouseButton::Primary)
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return DispatchEventOfSameName::No;
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auto& video_element = layout_box().dom_node();
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// FIXME: This runs from outside the context of any user script, so we do not have a running execution
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// context. This pushes one to allow the promise creation hook to run.
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auto& environment_settings = document().relevant_settings_object();
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environment_settings.prepare_to_run_script();
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if (video_element.paused())
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video_element.play().release_value_but_fixme_should_propagate_errors();
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else
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video_element.pause().release_value_but_fixme_should_propagate_errors();
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environment_settings.clean_up_after_running_script();
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return DispatchEventOfSameName::Yes;
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}
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VideoPaintable::DispatchEventOfSameName VideoPaintable::handle_mousemove(Badge<EventHandler>, CSSPixelPoint position, unsigned, unsigned)
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{
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auto& video_element = layout_box().dom_node();
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if (absolute_rect().contains(position)) {
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video_element.set_layout_mouse_position({}, position);
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return DispatchEventOfSameName::Yes;
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}
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video_element.set_layout_mouse_position({}, {});
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return DispatchEventOfSameName::No;
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}
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}
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