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LibWeb: Paint a media timeline on HTMLVideoElement layout nodes

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This commit is contained in:
Timothy Flynn 2023-04-10 11:36:18 -04:00 • committed by Linus Groh
parent d5412f4e78
commit fe66490399
2 changed files with 83 additions and 3 deletions
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82
Userland/Libraries/LibWeb/Painting/VideoPaintable.cpp
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@ -5,6 +5,7 @@
*/
#include <AK/Array.h>
#include <AK/NumberFormat.h>
#include <LibGUI/Event.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibWeb/DOM/Document.h>
@ -62,6 +63,8 @@ void VideoPaintable::paint(PaintContext& context, PaintPhase phase) const
return;
auto video_rect = context.rounded_device_rect(absolute_rect());
context.painter().add_clip_rect(video_rect.to_type<int>());
ScopedCornerRadiusClip corner_clip { context, context.painter(), video_rect, normalized_border_radii_data(ShrinkRadiiForBorders::Yes) };
auto const& video_element = layout_box().dom_node();
@ -90,8 +93,7 @@ void VideoPaintable::paint(PaintContext& context, PaintPhase phase) const
void VideoPaintable::paint_loaded_video_controls(PaintContext& context, HTML::HTMLVideoElement const& video_element, DevicePixelRect video_rect, Optional<DevicePixelPoint> const& mouse_position) const
{
auto maximum_control_box_size = context.rounded_device_pixels(30);
auto maximum_playback_button_size = context.rounded_device_pixels(15);
auto maximum_playback_button_offset_x = context.rounded_device_pixels(15);
auto playback_padding = context.rounded_device_pixels(5);
auto is_hovered = document().hovered_node() == &video_element;
auto is_paused = video_element.paused();
@ -105,6 +107,21 @@ void VideoPaintable::paint_loaded_video_controls(PaintContext& context, HTML::HT
context.painter().fill_rect(control_box_rect.to_type<int>(), control_box_color.with_alpha(0xd0));
control_box_rect = paint_control_bar_playback_button(context, video_element, control_box_rect, mouse_position);
control_box_rect.take_from_left(playback_padding);
control_box_rect = paint_control_bar_timeline(context, video_element, control_box_rect, mouse_position);
control_box_rect.take_from_left(playback_padding);
control_box_rect = paint_control_bar_timestamp(context, video_element, control_box_rect);
control_box_rect.take_from_left(playback_padding);
}
DevicePixelRect VideoPaintable::paint_control_bar_playback_button(PaintContext& context, HTML::HTMLVideoElement const& video_element, DevicePixelRect control_box_rect, Optional<DevicePixelPoint> const& mouse_position) const
{
auto maximum_playback_button_size = context.rounded_device_pixels(15);
auto maximum_playback_button_offset_x = context.rounded_device_pixels(15);
auto playback_button_size = min(maximum_playback_button_size, control_box_rect.height() / 2);
auto playback_button_offset_x = min(maximum_playback_button_offset_x, control_box_rect.width());
auto playback_button_offset_y = (control_box_rect.height() - playback_button_size) / 2;
@ -119,7 +136,7 @@ void VideoPaintable::paint_loaded_video_controls(PaintContext& context, HTML::HT
auto playback_button_is_hovered = mouse_position.has_value() && playback_button_hover_rect.contains(*mouse_position);
auto playback_button_color = control_button_color(playback_button_is_hovered);
if (is_paused) {
if (video_element.paused()) {
Array<Gfx::IntPoint, 3> play_button_coordinates { {
{ 0, 0 },
{ static_cast<int>(playback_button_size), static_cast<int>(playback_button_size) / 2 },
@ -140,6 +157,65 @@ void VideoPaintable::paint_loaded_video_controls(PaintContext& context, HTML::HT
context.painter().fill_rect(pause_button_left_rect.to_type<int>(), playback_button_color);
context.painter().fill_rect(pause_button_right_rect.to_type<int>(), playback_button_color);
}
control_box_rect.take_from_left(playback_button_hover_rect.width());
return control_box_rect;
}
DevicePixelRect VideoPaintable::paint_control_bar_timeline(PaintContext& context, HTML::HTMLVideoElement const& video_element, DevicePixelRect control_box_rect, Optional<DevicePixelPoint> const& mouse_position) const
{
auto maximum_timeline_button_size = context.rounded_device_pixels(16);
auto timeline_rect = control_box_rect;
timeline_rect.set_width(min(control_box_rect.width() * 6 / 10, timeline_rect.width()));
auto playback_percentage = video_element.current_time() / video_element.duration();
auto playback_position = static_cast<double>(static_cast<int>(timeline_rect.width())) * playback_percentage;
auto timeline_button_size = min(maximum_timeline_button_size, timeline_rect.height() / 2);
auto timeline_button_offset_x = static_cast<DevicePixels>(round(playback_position));
Gfx::AntiAliasingPainter painter { context.painter() };
auto playback_timelime_scrub_rect = timeline_rect;
playback_timelime_scrub_rect.shrink(0, timeline_rect.height() - timeline_button_size / 2);
auto timeline_past_rect = playback_timelime_scrub_rect;
timeline_past_rect.set_width(timeline_button_offset_x);
painter.fill_rect_with_rounded_corners(timeline_past_rect.to_type<int>(), control_highlight_color.lightened(), 4);
auto timeline_future_rect = playback_timelime_scrub_rect;
timeline_future_rect.take_from_left(timeline_button_offset_x);
painter.fill_rect_with_rounded_corners(timeline_future_rect.to_type<int>(), Color::Black, 4);
auto timeline_button_rect = timeline_rect;
timeline_button_rect.shrink(timeline_rect.width() - timeline_button_size, timeline_rect.height() - timeline_button_size);
timeline_button_rect.set_x(timeline_rect.x() + timeline_button_offset_x - timeline_button_size / 2);
auto timeline_is_hovered = mouse_position.has_value() && timeline_rect.contains(*mouse_position);
auto timeline_color = control_button_color(timeline_is_hovered);
painter.fill_ellipse(timeline_button_rect.to_type<int>(), timeline_color);
control_box_rect.take_from_left(timeline_rect.width() + timeline_button_size / 2);
return control_box_rect;
}
DevicePixelRect VideoPaintable::paint_control_bar_timestamp(PaintContext& context, HTML::HTMLVideoElement const& video_element, DevicePixelRect control_box_rect) const
{
auto current_time = human_readable_digital_time(round(video_element.current_time()));
auto duration = human_readable_digital_time(round(video_element.duration()));
auto timestamp = String::formatted("{} / {}", current_time, duration).release_value_but_fixme_should_propagate_errors();
auto timestamp_size = static_cast<DevicePixels::Type>(ceilf(context.painter().font().width(timestamp)));
if (timestamp_size > control_box_rect.width())
return control_box_rect;
auto timestamp_rect = control_box_rect;
timestamp_rect.set_width(timestamp_size);
context.painter().draw_text(timestamp_rect.to_type<int>(), timestamp, Gfx::TextAlignment::CenterLeft, Color::White);
control_box_rect.take_from_left(timestamp_rect.width());
return control_box_rect;
}
void VideoPaintable::paint_placeholder_video_controls(PaintContext& context, DevicePixelRect video_rect, Optional<DevicePixelPoint> const& mouse_position) const

4
Userland/Libraries/LibWeb/Painting/VideoPaintable.h
View file

@ -30,6 +30,10 @@ private:
virtual DispatchEventOfSameName handle_mousemove(Badge<EventHandler>, CSSPixelPoint, unsigned buttons, unsigned modifiers) override;
void paint_loaded_video_controls(PaintContext&, HTML::HTMLVideoElement const&, DevicePixelRect video_rect, Optional<DevicePixelPoint> const& mouse_position) const;
DevicePixelRect paint_control_bar_playback_button(PaintContext&, HTML::HTMLVideoElement const&, DevicePixelRect control_box_rect, Optional<DevicePixelPoint> const& mouse_position) const;
DevicePixelRect paint_control_bar_timeline(PaintContext&, HTML::HTMLVideoElement const&, DevicePixelRect control_box_rect, Optional<DevicePixelPoint> const& mouse_position) const;
DevicePixelRect paint_control_bar_timestamp(PaintContext&, HTML::HTMLVideoElement const&, DevicePixelRect control_box_rect) const;
void paint_placeholder_video_controls(PaintContext&, DevicePixelRect video_rect, Optional<DevicePixelPoint> const& mouse_position) const;
};