mirror of
https://github.com/RGBCube/serenity
synced 2025-05-24 18:05:09 +00:00
57dc179b1f
This will make it easier to support both string types at the same time while we convert code, and tracking down remaining uses. One big exception is Value::to_string() in LibJS, where the name is dictated by the ToString AO.
318 lines
9.8 KiB
C++
318 lines
9.8 KiB
C++
/*
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* Copyright (c) 2022, Gregory Bertilson <zaggy1024@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibGUI/Action.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/FilePicker.h>
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#include <LibGUI/ImageWidget.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/SeparatorWidget.h>
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#include <LibGUI/Slider.h>
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#include <LibGUI/Toolbar.h>
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#include <LibGUI/ToolbarContainer.h>
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#include <LibGUI/Window.h>
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#include "VideoPlayerWidget.h"
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namespace VideoPlayer {
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VideoPlayerWidget::VideoPlayerWidget(GUI::Window& window)
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: m_window(window)
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{
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set_fill_with_background_color(true);
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set_layout<GUI::VerticalBoxLayout>();
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m_video_display = add<VideoFrameWidget>();
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m_video_display->set_auto_resize(false);
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m_video_display->on_click = [&]() { toggle_pause(); };
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auto& player_controls_widget = add<GUI::Widget>();
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player_controls_widget.set_layout<GUI::VerticalBoxLayout>();
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player_controls_widget.set_max_height(50);
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m_seek_slider = player_controls_widget.add<GUI::HorizontalSlider>();
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m_seek_slider->set_fixed_height(20);
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m_seek_slider->set_enabled(false);
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m_seek_slider->on_change = [&](int value) {
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if (!m_playback_manager)
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return;
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update_seek_slider_max();
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auto progress = value / static_cast<double>(m_seek_slider->max());
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auto duration = m_playback_manager->duration().to_milliseconds();
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Time timestamp = Time::from_milliseconds(static_cast<i64>(round(progress * static_cast<double>(duration))));
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set_current_timestamp(timestamp);
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m_playback_manager->seek_to_timestamp(timestamp);
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};
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m_seek_slider->set_jump_to_cursor(true);
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auto& toolbar_container = player_controls_widget.add<GUI::ToolbarContainer>();
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m_toolbar = toolbar_container.add<GUI::Toolbar>();
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m_play_icon = Gfx::Bitmap::try_load_from_file("/res/icons/16x16/play.png"sv).release_value_but_fixme_should_propagate_errors();
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m_pause_icon = Gfx::Bitmap::try_load_from_file("/res/icons/16x16/pause.png"sv).release_value_but_fixme_should_propagate_errors();
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m_play_pause_action = GUI::Action::create("Play", { Key_Space }, m_play_icon, [&](auto&) {
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toggle_pause();
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});
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m_cycle_sizing_modes_action = GUI::Action::create("Sizing", [&](auto&) {
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cycle_sizing_modes();
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});
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m_toolbar->add_action(*m_play_pause_action);
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m_toolbar->add<GUI::VerticalSeparator>();
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m_timestamp_label = m_toolbar->add<GUI::Label>();
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m_timestamp_label->set_autosize(true);
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m_toolbar->add<GUI::Widget>(); // Filler widget
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m_toolbar->add_action(*m_cycle_sizing_modes_action);
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m_toolbar->add<GUI::VerticalSeparator>();
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m_volume_slider = m_toolbar->add<GUI::HorizontalSlider>();
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m_volume_slider->set_min(0);
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m_volume_slider->set_max(100);
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m_volume_slider->set_fixed_width(100);
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}
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void VideoPlayerWidget::close_file()
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{
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if (m_playback_manager)
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m_playback_manager = nullptr;
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}
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void VideoPlayerWidget::open_file(StringView filename)
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{
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auto load_file_result = Video::PlaybackManager::from_file(*this, filename);
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if (load_file_result.is_error()) {
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on_decoding_error(load_file_result.release_error());
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return;
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}
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m_path = filename;
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update_title();
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close_file();
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m_playback_manager = load_file_result.release_value();
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update_seek_slider_max();
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update_seek_mode();
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resume_playback();
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}
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void VideoPlayerWidget::update_play_pause_icon()
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{
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if (!m_playback_manager) {
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m_play_pause_action->set_enabled(false);
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m_play_pause_action->set_icon(m_play_icon);
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m_play_pause_action->set_text("Play"sv);
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return;
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}
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m_play_pause_action->set_enabled(true);
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if (m_playback_manager->is_playing()) {
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m_play_pause_action->set_icon(m_pause_icon);
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m_play_pause_action->set_text("Pause"sv);
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} else {
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m_play_pause_action->set_icon(m_play_icon);
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m_play_pause_action->set_text("Play"sv);
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}
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}
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void VideoPlayerWidget::resume_playback()
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{
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if (!m_playback_manager)
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return;
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m_playback_manager->resume_playback();
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update_play_pause_icon();
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}
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void VideoPlayerWidget::pause_playback()
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{
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if (!m_playback_manager)
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return;
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m_playback_manager->pause_playback();
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update_play_pause_icon();
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}
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void VideoPlayerWidget::toggle_pause()
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{
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if (!m_playback_manager)
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return;
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if (m_playback_manager->is_playing())
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pause_playback();
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else
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resume_playback();
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}
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void VideoPlayerWidget::on_decoding_error(Video::DecoderError const& error)
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{
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StringView text_format;
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switch (error.category()) {
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case Video::DecoderErrorCategory::IO:
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text_format = "Error while reading video:\n{}"sv;
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break;
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case Video::DecoderErrorCategory::Memory:
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text_format = "Ran out of memory:\n{}"sv;
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break;
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case Video::DecoderErrorCategory::Corrupted:
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text_format = "Video was corrupted:\n{}"sv;
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break;
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case Video::DecoderErrorCategory::Invalid:
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text_format = "Invalid call:\n{}"sv;
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break;
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case Video::DecoderErrorCategory::NotImplemented:
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text_format = "Video feature is not yet implemented:\n{}"sv;
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break;
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default:
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text_format = "Unexpected error:\n{}"sv;
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break;
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}
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GUI::MessageBox::show(&m_window, DeprecatedString::formatted(text_format, error.string_literal()), "Video Player encountered an error"sv);
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}
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void VideoPlayerWidget::update_seek_slider_max()
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{
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if (!m_playback_manager) {
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m_seek_slider->set_enabled(false);
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return;
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}
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m_seek_slider->set_max(static_cast<int>(min(m_playback_manager->duration().to_milliseconds(), NumericLimits<int>::max())));
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m_seek_slider->set_enabled(true);
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}
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void VideoPlayerWidget::set_current_timestamp(Time timestamp)
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{
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set_time_label(timestamp);
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if (!m_playback_manager)
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return;
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auto progress = static_cast<double>(timestamp.to_milliseconds()) / static_cast<double>(m_playback_manager->duration().to_milliseconds());
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m_seek_slider->set_value(static_cast<int>(round(progress * m_seek_slider->max())), GUI::AllowCallback::No);
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}
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void VideoPlayerWidget::set_time_label(Time timestamp)
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{
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StringBuilder string_builder;
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auto append_time = [&](Time time) {
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auto seconds = time.to_seconds();
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string_builder.appendff("{:02}:{:02}:{:02}", seconds / 3600, seconds / 60, seconds % 60);
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};
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append_time(timestamp);
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if (m_playback_manager) {
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string_builder.append(" / "sv);
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append_time(m_playback_manager->duration());
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} else {
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string_builder.append(" / --:--:--.---"sv);
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}
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m_timestamp_label->set_text(string_builder.string_view());
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}
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void VideoPlayerWidget::event(Core::Event& event)
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{
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if (event.type() == Video::EventType::DecoderErrorOccurred) {
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auto& error_event = static_cast<Video::DecoderErrorEvent&>(event);
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on_decoding_error(error_event.error());
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error_event.accept();
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} else if (event.type() == Video::EventType::VideoFramePresent) {
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auto& frame_event = static_cast<Video::VideoFramePresentEvent&>(event);
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m_video_display->set_bitmap(frame_event.frame());
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m_video_display->repaint();
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update_seek_slider_max();
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set_current_timestamp(m_playback_manager->current_playback_time());
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frame_event.accept();
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} else if (event.type() == Video::EventType::PlaybackStatusChange) {
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update_play_pause_icon();
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event.accept();
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}
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Widget::event(event);
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}
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void VideoPlayerWidget::cycle_sizing_modes()
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{
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auto sizing_mode = m_video_display->sizing_mode();
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sizing_mode = static_cast<VideoSizingMode>((to_underlying(sizing_mode) + 1) % to_underlying(VideoSizingMode::Sentinel));
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m_video_display->set_sizing_mode(sizing_mode);
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m_video_display->update();
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}
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void VideoPlayerWidget::update_title()
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{
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StringBuilder string_builder;
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if (m_path.is_empty()) {
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string_builder.append("No video"sv);
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} else {
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string_builder.append(m_path.view());
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}
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string_builder.append("[*] - Video Player"sv);
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window()->set_title(string_builder.to_deprecated_string());
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}
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Video::PlaybackManager::SeekMode VideoPlayerWidget::seek_mode()
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{
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if (m_use_fast_seeking->is_checked())
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return Video::PlaybackManager::SeekMode::Fast;
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return Video::PlaybackManager::SeekMode::Accurate;
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}
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void VideoPlayerWidget::set_seek_mode(Video::PlaybackManager::SeekMode seek_mode)
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{
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m_use_fast_seeking->set_checked(seek_mode == Video::PlaybackManager::SeekMode::Fast);
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}
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void VideoPlayerWidget::update_seek_mode()
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{
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if (!m_playback_manager)
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return;
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m_playback_manager->set_seek_mode(seek_mode());
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}
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void VideoPlayerWidget::initialize_menubar(GUI::Window& window)
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{
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// FIXME: This should return ErrorOr and use try_... functions.
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// File menu
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auto& file_menu = window.add_menu("&File");
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file_menu.add_action(GUI::CommonActions::make_open_action([&](auto&) {
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Optional<DeprecatedString> path = GUI::FilePicker::get_open_filepath(&window, "Open video file...");
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if (path.has_value())
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open_file(path.value());
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}));
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file_menu.add_separator();
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file_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) {
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window.close();
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}));
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// Playback menu
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auto& playback_menu = window.add_menu("&Playback");
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// FIXME: Maybe seek mode should be in an options dialog instead. The playback menu may get crowded.
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// For now, leave it here for convenience.
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m_use_fast_seeking = GUI::Action::create_checkable("&Fast Seeking", [&](auto&) {
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update_seek_mode();
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});
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playback_menu.add_action(*m_use_fast_seeking);
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set_seek_mode(Video::PlaybackManager::DEFAULT_SEEK_MODE);
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// Help menu
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auto& help_menu = window.add_menu("&Help");
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help_menu.add_action(GUI::CommonActions::make_about_action("Video Player", GUI::Icon::default_icon("app-video-player"sv), &window));
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}
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}
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