1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/*
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/Array.h>
#include <LibGUI/Event.h>
#include <LibGfx/AntiAliasingPainter.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/HTMLMediaElement.h>
#include <LibWeb/HTML/HTMLVideoElement.h>
#include <LibWeb/Layout/VideoBox.h>
#include <LibWeb/Painting/BorderRadiusCornerClipper.h>
#include <LibWeb/Painting/InputColors.h>
#include <LibWeb/Painting/VideoPaintable.h>
namespace Web::Painting {
static constexpr auto control_box_color = Gfx::Color::from_rgb(0x26'26'26);
static constexpr auto control_highlight_color = Gfx::Color::from_rgb(0x1d'99'f3);
static constexpr Gfx::Color control_button_color(bool is_hovered)
{
if (!is_hovered)
return Color::White;
return control_highlight_color;
}
JS::NonnullGCPtr<VideoPaintable> VideoPaintable::create(Layout::VideoBox const& layout_box)
{
return layout_box.heap().allocate_without_realm<VideoPaintable>(layout_box);
}
VideoPaintable::VideoPaintable(Layout::VideoBox const& layout_box)
: PaintableBox(layout_box)
{
}
Layout::VideoBox& VideoPaintable::layout_box()
{
return static_cast<Layout::VideoBox&>(layout_node());
}
Layout::VideoBox const& VideoPaintable::layout_box() const
{
return static_cast<Layout::VideoBox const&>(layout_node());
}
void VideoPaintable::paint(PaintContext& context, PaintPhase phase) const
{
if (!is_visible())
return;
// FIXME: This should be done at a different level.
if (is_out_of_view(context))
return;
PaintableBox::paint(context, phase);
if (phase != PaintPhase::Foreground)
return;
auto video_rect = context.rounded_device_rect(absolute_rect());
ScopedCornerRadiusClip corner_clip { context, context.painter(), video_rect, normalized_border_radii_data(ShrinkRadiiForBorders::Yes) };
auto const& video_element = layout_box().dom_node();
auto const& layout_mouse_position = video_element.layout_mouse_position({});
Optional<DevicePixelPoint> mouse_position;
if (layout_mouse_position.has_value() && document().hovered_node() == &video_element)
mouse_position = context.rounded_device_point(*layout_mouse_position);
auto paint_user_agent_controls = video_element.has_attribute(HTML::AttributeNames::controls);
if (auto const& bitmap = layout_box().dom_node().current_frame()) {
context.painter().draw_scaled_bitmap(video_rect.to_type<int>(), *bitmap, bitmap->rect(), 1.0f, to_gfx_scaling_mode(computed_values().image_rendering()));
if (paint_user_agent_controls)
paint_loaded_video_controls(context, video_element, video_rect, mouse_position);
} else {
auto input_colors = compute_input_colors(context.palette(), computed_values().accent_color());
context.painter().fill_rect(video_rect.to_type<int>(), input_colors.light_gray);
if (paint_user_agent_controls)
paint_placeholder_video_controls(context, video_rect, mouse_position);
}
}
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 is_hovered = document().hovered_node() == &video_element;
auto is_paused = video_element.paused();
if (!is_hovered && !is_paused)
return;
auto control_box_rect = video_rect;
if (control_box_rect.height() > maximum_control_box_size)
control_box_rect.take_from_top(control_box_rect.height() - maximum_control_box_size);
context.painter().fill_rect(control_box_rect.to_type<int>(), control_box_color.with_alpha(0xd0));
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;
auto playback_button_location = control_box_rect.top_left().translated(playback_button_offset_x, playback_button_offset_y);
auto playback_button_hover_rect = DevicePixelRect {
control_box_rect.top_left(),
{ playback_button_size + playback_button_offset_x * 2, control_box_rect.height() }
};
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) {
Array<Gfx::IntPoint, 3> play_button_coordinates { {
{ 0, 0 },
{ static_cast<int>(playback_button_size), static_cast<int>(playback_button_size) / 2 },
{ 0, static_cast<int>(playback_button_size) },
} };
context.painter().draw_triangle(playback_button_location.to_type<int>(), play_button_coordinates, playback_button_color);
} else {
DevicePixelRect pause_button_left_rect {
playback_button_location,
{ maximum_playback_button_size / 3, playback_button_size }
};
DevicePixelRect pause_button_right_rect {
playback_button_location.translated(maximum_playback_button_size * 2 / 3, 0),
{ maximum_playback_button_size / 3, playback_button_size }
};
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);
}
}
void VideoPaintable::paint_placeholder_video_controls(PaintContext& context, DevicePixelRect video_rect, Optional<DevicePixelPoint> const& mouse_position) const
{
auto maximum_control_box_size = context.rounded_device_pixels(100);
auto maximum_playback_button_size = context.rounded_device_pixels(40);
auto center = video_rect.center();
auto control_box_size = min(maximum_control_box_size, min(video_rect.width(), video_rect.height()) * 4 / 5);
auto control_box_offset_x = control_box_size / 2;
auto control_box_offset_y = control_box_size / 2;
auto control_box_location = center.translated(-control_box_offset_x, -control_box_offset_y);
DevicePixelRect control_box_rect { control_box_location, { control_box_size, control_box_size } };
auto playback_button_size = min(maximum_playback_button_size, min(video_rect.width(), video_rect.height()) * 2 / 5);
auto playback_button_offset_x = playback_button_size / 2;
auto playback_button_offset_y = playback_button_size / 2;
// We want to center the play button on its center of mass, which is not the midpoint of its vertices.
// To do so, reduce its desired x offset by a factor of tan(30 degrees) / 2 (about 0.288685).
playback_button_offset_x -= 0.288685f * static_cast<float>(static_cast<DevicePixels::Type>(playback_button_offset_x));
auto playback_button_location = center.translated(-playback_button_offset_x, -playback_button_offset_y);
Array<Gfx::IntPoint, 3> play_button_coordinates { {
{ 0, 0 },
{ static_cast<int>(playback_button_size), static_cast<int>(playback_button_size) / 2 },
{ 0, static_cast<int>(playback_button_size) },
} };
auto playback_button_is_hovered = mouse_position.has_value() && control_box_rect.contains(*mouse_position);
auto playback_button_color = control_button_color(playback_button_is_hovered);
Gfx::AntiAliasingPainter painter { context.painter() };
painter.fill_ellipse(control_box_rect.to_type<int>(), control_box_color);
context.painter().draw_triangle(playback_button_location.to_type<int>(), play_button_coordinates, playback_button_color);
}
VideoPaintable::DispatchEventOfSameName VideoPaintable::handle_mouseup(Badge<EventHandler>, CSSPixelPoint, unsigned button, unsigned)
{
if (button != GUI::MouseButton::Primary)
return DispatchEventOfSameName::No;
auto& video_element = layout_box().dom_node();
// FIXME: This runs from outside the context of any user script, so we do not have a running execution
// context. This pushes one to allow the promise creation hook to run.
auto& environment_settings = document().relevant_settings_object();
environment_settings.prepare_to_run_script();
if (video_element.paused())
video_element.play().release_value_but_fixme_should_propagate_errors();
else
video_element.pause().release_value_but_fixme_should_propagate_errors();
environment_settings.clean_up_after_running_script();
return DispatchEventOfSameName::Yes;
}
VideoPaintable::DispatchEventOfSameName VideoPaintable::handle_mousemove(Badge<EventHandler>, CSSPixelPoint position, unsigned, unsigned)
{
auto& video_element = layout_box().dom_node();
if (absolute_rect().contains(position)) {
video_element.set_layout_mouse_position({}, position);
return DispatchEventOfSameName::Yes;
}
video_element.set_layout_mouse_position({}, {});
return DispatchEventOfSameName::No;
}
}
|
