mirror of
https://github.com/LadybirdBrowser/ladybird.git
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fc6d051dfd
The LexicalPath instance methods dirname(), basename(), title() and extension() will be changed to return StringView const& in a further commit. Due to this, users creating temporary LexicalPath objects just to call one of those getters will recieve a StringView const& pointing to a possible freed buffer. To avoid this, static methods for those APIs have been added, which will return a String by value to avoid those problems. All cases where temporary LexicalPath objects have been used as described above haven been changed to use the static APIs.
322 lines
12 KiB
C++
322 lines
12 KiB
C++
/*
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* Copyright (c) 2021, Cesar Torres <shortanemoia@protonmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "SoundPlayerWidgetAdvancedView.h"
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#include "BarsVisualizationWidget.h"
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#include "Common.h"
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#include "M3UParser.h"
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#include "PlaybackManager.h"
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#include <AK/LexicalPath.h>
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#include <AK/SIMD.h>
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#include <LibGUI/Action.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Button.h>
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#include <LibGUI/Label.h>
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#include <LibGUI/MessageBox.h>
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#include <LibGUI/Slider.h>
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#include <LibGUI/Splitter.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 <LibGfx/Bitmap.h>
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SoundPlayerWidgetAdvancedView::SoundPlayerWidgetAdvancedView(GUI::Window& window, PlayerState& state)
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: Player(state)
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, m_window(window)
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{
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window.resize(455, 350);
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window.set_minimum_size(600, 130);
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window.set_resizable(true);
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set_fill_with_background_color(true);
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set_layout<GUI::VerticalBoxLayout>();
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m_splitter = add<GUI::HorizontalSplitter>();
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m_player_view = m_splitter->add<GUI::Widget>();
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m_playlist_model = adopt_ref(*new PlaylistModel());
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m_player_view->set_layout<GUI::VerticalBoxLayout>();
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m_play_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/play.png");
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m_pause_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/pause.png");
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m_stop_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/stop.png");
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m_back_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/go-back.png");
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m_next_icon = Gfx::Bitmap::load_from_file("/res/icons/16x16/go-forward.png");
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m_visualization = m_player_view->add<BarsVisualizationWidget>();
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// Set a temporary value for total samples.
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// This value will be set properly when we load a new file.
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const int total_samples = this->manager().total_length() * this->manager().device_sample_rate();
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m_playback_progress_slider = m_player_view->add<AutoSlider>(Orientation::Horizontal);
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m_playback_progress_slider->set_fixed_height(20);
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m_playback_progress_slider->set_jump_to_cursor(true);
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m_playback_progress_slider->set_min(0);
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m_playback_progress_slider->set_max(total_samples);
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m_playback_progress_slider->set_page_step(total_samples / 10);
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m_playback_progress_slider->on_knob_released = [&](int value) {
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this->manager().seek(value);
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};
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auto& toolbar_container = m_player_view->add<GUI::ToolbarContainer>();
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auto& menubar = toolbar_container.add<GUI::Toolbar>();
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m_play_button = menubar.add<GUI::Button>();
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m_play_button->set_icon(is_paused() ? (!has_loaded_file() ? *m_play_icon : *m_pause_icon) : *m_pause_icon);
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m_play_button->set_fixed_width(50);
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m_play_button->set_enabled(has_loaded_file());
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m_play_button->on_click = [&](unsigned) {
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bool paused = this->manager().toggle_pause();
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set_paused(paused);
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m_play_button->set_icon(paused ? *m_play_icon : *m_pause_icon);
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m_stop_button->set_enabled(has_loaded_file());
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};
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m_stop_button = menubar.add<GUI::Button>();
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m_stop_button->set_icon(*m_stop_icon);
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m_stop_button->set_fixed_width(50);
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m_stop_button->set_enabled(has_loaded_file());
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m_stop_button->on_click = [&](unsigned) {
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this->manager().stop();
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set_stopped(true);
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m_play_button->set_icon(*m_play_icon);
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m_stop_button->set_enabled(false);
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};
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auto& timestamp_label = menubar.add<GUI::Label>();
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timestamp_label.set_fixed_width(110);
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timestamp_label.set_text("Elapsed: 00:00:00");
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// filler_label
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menubar.add<GUI::Label>();
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m_back_button = menubar.add<GUI::Button>();
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m_back_button->set_fixed_width(50);
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m_back_button->set_icon(*m_back_icon);
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m_back_button->set_enabled(has_loaded_file());
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m_back_button->on_click = [&](unsigned) {
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if (!m_playlist_model.is_null()) {
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auto it = m_playlist_model->items().find_if([&](const M3UEntry& e) { return e.path == loaded_filename(); });
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if (it.index() == 0) {
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open_file(m_playlist_model->items().at(m_playlist_model->items().size() - 1).path);
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} else
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open_file((it - 1)->path);
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play();
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}
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};
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m_next_button = menubar.add<GUI::Button>();
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m_next_button->set_fixed_width(50);
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m_next_button->set_icon(*m_next_icon);
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m_next_button->set_enabled(has_loaded_file());
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m_next_button->on_click = [&](unsigned) {
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if (!m_playlist_model.is_null()) {
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auto it = m_playlist_model->items().find_if([&](const M3UEntry& e) { return e.path == loaded_filename(); });
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if (it.index() + 1 == m_playlist_model->items().size()) {
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open_file(m_playlist_model->items().at(0).path);
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} else
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open_file((it + 1)->path);
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play();
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}
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};
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m_volume_label = &menubar.add<GUI::Label>();
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m_volume_label->set_fixed_width(30);
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m_volume_label->set_text("100%");
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auto& volume_slider = menubar.add<GUI::HorizontalSlider>();
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volume_slider.set_fixed_width(95);
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volume_slider.set_min(0);
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volume_slider.set_max(150);
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volume_slider.set_value(100);
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volume_slider.on_change = [&](int value) {
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double volume = m_nonlinear_volume_slider ? (double)(value * value) / (100 * 100) : value / 100.;
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m_volume_label->set_text(String::formatted("{}%", (int)(volume * 100)));
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set_volume(volume);
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};
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set_volume(1.);
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set_nonlinear_volume_slider(false);
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manager().on_update = [&]() {
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// Determine how many of the source file samples have played.
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int samples_played = client_connection().get_played_samples();
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float source_to_dest_ratio = static_cast<float>(loaded_file_samplerate()) / manager().device_sample_rate();
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samples_played *= source_to_dest_ratio;
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samples_played += this->manager().last_seek();
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int current_second = samples_played / loaded_file_samplerate();
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timestamp_label.set_text(String::formatted("Elapsed: {:02}:{:02}:{:02}", current_second / 3600, current_second / 60, current_second % 60));
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if (!m_playback_progress_slider->mouse_is_down()) {
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m_playback_progress_slider->set_value(samples_played);
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}
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dynamic_cast<Visualization*>(m_visualization.ptr())->set_buffer(this->manager().current_buffer());
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dynamic_cast<Visualization*>(m_visualization.ptr())->set_samplerate(manager().device_sample_rate());
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};
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manager().on_load_sample_buffer = [&](Audio::Buffer&) {
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//TODO: Implement an equalizer
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return;
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};
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manager().on_finished_playing = [&] {
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m_play_button->set_icon(*m_play_icon);
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if (looping()) {
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open_file(loaded_filename());
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return;
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}
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if (!m_playlist_model.is_null() && !m_playlist_model->items().is_empty()) {
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auto it = m_playlist_model->items().find_if([&](const M3UEntry& e) { return e.path == loaded_filename(); });
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if (it.index() + 1 == m_playlist_model->items().size()) {
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if (looping_playlist()) {
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open_file(m_playlist_model->items().at(0).path);
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return;
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}
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} else
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open_file((it + 1)->path);
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}
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m_stop_button->set_enabled(false);
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};
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}
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void SoundPlayerWidgetAdvancedView::open_file(StringView path)
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{
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if (!Core::File::exists(path)) {
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GUI::MessageBox::show(window(), String::formatted("File \"{}\" does not exist", path), "Error opening file", GUI::MessageBox::Type::Error);
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return;
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}
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if (path.ends_with(".m3u", AK::CaseSensitivity::CaseInsensitive) || path.ends_with(".m3u8", AK::CaseSensitivity::CaseInsensitive)) {
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read_playlist(path);
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return;
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}
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NonnullRefPtr<Audio::Loader> loader = Audio::Loader::create(path);
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if (loader->has_error() || !loader->sample_rate()) {
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const String error_string = loader->error_string();
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GUI::MessageBox::show(&m_window, String::formatted("Failed to load audio file: {} ({})", path, error_string.is_null() ? "Unknown error" : error_string),
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"Filetype error", GUI::MessageBox::Type::Error);
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return;
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}
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m_window.set_title(String::formatted("{} - Sound Player", loader->file()->filename()));
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m_playback_progress_slider->set_max(loader->total_samples());
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m_playback_progress_slider->set_page_step(loader->total_samples() / 10);
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m_playback_progress_slider->set_enabled(true);
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m_play_button->set_enabled(true);
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m_play_button->set_icon(*m_pause_icon);
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m_stop_button->set_enabled(true);
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manager().set_loader(move(loader));
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set_has_loaded_file(true);
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set_loaded_file_samplerate(loader->sample_rate());
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set_loaded_filename(path);
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play();
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}
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void SoundPlayerWidgetAdvancedView::set_nonlinear_volume_slider(bool nonlinear)
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{
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m_nonlinear_volume_slider = nonlinear;
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}
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void SoundPlayerWidgetAdvancedView::drop_event(GUI::DropEvent& event)
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{
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event.accept();
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window()->move_to_front();
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if (event.mime_data().has_urls()) {
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auto urls = event.mime_data().urls();
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if (urls.is_empty())
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return;
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open_file(urls.first().path());
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}
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}
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SoundPlayerWidgetAdvancedView::~SoundPlayerWidgetAdvancedView()
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{
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manager().on_load_sample_buffer = nullptr;
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manager().on_update = nullptr;
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}
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void SoundPlayerWidgetAdvancedView::play()
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{
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manager().play();
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set_paused(false);
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set_stopped(false);
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}
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void SoundPlayerWidgetAdvancedView::read_playlist(StringView path)
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{
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auto parser = M3UParser::from_file(path);
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auto items = parser->parse(true);
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VERIFY(items->size() > 0);
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try_fill_missing_info(*items, path);
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for (auto& item : *items)
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m_playlist_model->items().append(item);
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set_playlist_visible(true);
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m_playlist_model->update();
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open_file(items->at(0).path);
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if (items->size() > 1) {
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m_back_button->set_enabled(true);
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m_next_button->set_enabled(true);
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} else {
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m_back_button->set_enabled(false);
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m_next_button->set_enabled(false);
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}
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}
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void SoundPlayerWidgetAdvancedView::set_playlist_visible(bool visible)
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{
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if (visible) {
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m_playlist_widget = m_player_view->parent_widget()->add<PlaylistWidget>();
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m_playlist_widget->set_data_model(m_playlist_model);
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m_playlist_widget->set_fixed_width(150);
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} else {
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m_playlist_widget->remove_from_parent();
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m_player_view->set_max_width(window()->width());
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}
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}
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void SoundPlayerWidgetAdvancedView::try_fill_missing_info(Vector<M3UEntry>& entries, StringView playlist_p)
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{
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LexicalPath playlist_path(playlist_p);
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Vector<M3UEntry*> to_delete;
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for (auto& entry : entries) {
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LexicalPath entry_path(entry.path);
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if (!entry_path.is_absolute()) {
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entry.path = String::formatted("{}/{}", playlist_path.dirname(), entry_path.basename());
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}
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if (!Core::File::exists(entry.path)) {
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GUI::MessageBox::show(window(), String::formatted("The file \"{}\" present in the playlist does not exist or was not found. This file will be ignored.", entry_path.basename()), "Error reading playlist", GUI::MessageBox::Type::Warning);
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to_delete.append(&entry);
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continue;
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}
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if (!entry.extended_info->track_display_title.has_value())
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entry.extended_info->track_display_title = LexicalPath::title(entry.path);
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if (!entry.extended_info->track_length_in_seconds.has_value()) {
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if (auto reader = Audio::Loader::create(entry.path); !reader->has_error())
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entry.extended_info->track_length_in_seconds = reader->total_samples() / reader->sample_rate();
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//TODO: Implement embedded metadata extractor for other audio formats
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}
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//TODO: Implement a metadata parser for the uncomfortably numerous popular embedded metadata formats
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if (!entry.extended_info->file_size_in_bytes.has_value()) {
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FILE* f = fopen(entry.path.characters(), "r");
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VERIFY(f != nullptr);
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fseek(f, 0, SEEK_END);
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entry.extended_info->file_size_in_bytes = ftell(f);
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fclose(f);
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}
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}
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for (M3UEntry* entry : to_delete)
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entries.remove_first_matching([&](M3UEntry& e) { return &e == entry; });
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}
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