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Part-of: <https://gitlab.gnome.org/GNOME/fractal/-/merge_requests/1085>merge-requests/1327/merge
Kévin Commaille
4 years ago
committed by
Marge Bot
9 changed files with 417 additions and 35 deletions
@ -0,0 +1,44 @@
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<?xml version="1.0" encoding="UTF-8"?> |
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<interface> |
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<template class="ComponentsMediaContentViewer" parent="AdwBin"> |
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<property name="child"> |
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<object class="GtkStack" id="stack"> |
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<child> |
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<object class="GtkStackPage"> |
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<property name="name">loading</property> |
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<property name="child"> |
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<object class="GtkSpinner"> |
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<property name="spinning">true</property> |
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<property name="valign">center</property> |
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<property name="halign">center</property> |
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<property name="vexpand">True</property> |
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<style> |
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<class name="session-loading-spinner"/> |
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</style> |
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</object> |
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</property> |
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</object> |
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</child> |
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<child> |
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<object class="GtkStackPage"> |
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<property name="name">viewer</property> |
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<property name="child"> |
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<object class="AdwBin" id="viewer"> |
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<property name="halign">center</property> |
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<property name="valign">center</property> |
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</object> |
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</property> |
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</object> |
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</child> |
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<child> |
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<object class="GtkStackPage"> |
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<property name="name">fallback</property> |
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<property name="child"> |
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<object class="AdwStatusPage" id="fallback"/> |
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</property> |
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</object> |
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</child> |
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</object> |
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</property> |
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</template> |
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</interface> |
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@ -0,0 +1,278 @@
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use adw::{prelude::*, subclass::prelude::*}; |
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use gettextrs::gettext; |
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use gtk::{gdk, gio, glib, glib::clone, subclass::prelude::*, CompositeTemplate}; |
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use log::warn; |
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use super::AudioPlayer; |
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use crate::spawn; |
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pub enum ContentType { |
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Image, |
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Audio, |
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Video, |
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Unknown, |
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} |
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impl ContentType { |
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pub fn icon_name(&self) -> &'static str { |
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match self { |
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ContentType::Image => "image-x-generic-symbolic", |
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ContentType::Audio => "audio-x-generic-symbolic", |
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ContentType::Video => "video-x-generic-symbolic", |
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ContentType::Unknown => "text-x-generic-symbolic", |
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} |
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} |
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} |
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impl Default for ContentType { |
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fn default() -> Self { |
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Self::Unknown |
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} |
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} |
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impl From<&str> for ContentType { |
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fn from(string: &str) -> Self { |
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match string { |
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"image" => Self::Image, |
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"audio" => Self::Audio, |
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"video" => Self::Video, |
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_ => Self::Unknown, |
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} |
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} |
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} |
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mod imp { |
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use std::cell::Cell; |
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use glib::subclass::InitializingObject; |
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use once_cell::sync::Lazy; |
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use super::*; |
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#[derive(Debug, Default, CompositeTemplate)] |
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#[template(resource = "/org/gnome/Fractal/components-media-content-viewer.ui")] |
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pub struct MediaContentViewer { |
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/// Whether to play the media content automatically.
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pub autoplay: Cell<bool>, |
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#[template_child] |
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pub stack: TemplateChild<gtk::Stack>, |
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#[template_child] |
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pub viewer: TemplateChild<adw::Bin>, |
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#[template_child] |
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pub fallback: TemplateChild<adw::StatusPage>, |
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} |
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#[glib::object_subclass] |
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impl ObjectSubclass for MediaContentViewer { |
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const NAME: &'static str = "ComponentsMediaContentViewer"; |
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type Type = super::MediaContentViewer; |
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type ParentType = adw::Bin; |
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fn class_init(klass: &mut Self::Class) { |
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Self::bind_template(klass); |
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klass.set_css_name("media-content-viewer"); |
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} |
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fn instance_init(obj: &InitializingObject<Self>) { |
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obj.init_template(); |
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} |
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} |
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impl ObjectImpl for MediaContentViewer { |
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fn properties() -> &'static [glib::ParamSpec] { |
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static PROPERTIES: Lazy<Vec<glib::ParamSpec>> = Lazy::new(|| { |
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vec![glib::ParamSpecBoolean::new( |
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"autoplay", |
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"Autoplay", |
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"Whether to play the media content automatically", |
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false, |
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glib::ParamFlags::READWRITE | glib::ParamFlags::CONSTRUCT_ONLY, |
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)] |
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}); |
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PROPERTIES.as_ref() |
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} |
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fn set_property( |
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&self, |
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obj: &Self::Type, |
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_id: usize, |
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value: &glib::Value, |
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pspec: &glib::ParamSpec, |
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) { |
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match pspec.name() { |
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"autoplay" => obj.set_autoplay(value.get().unwrap()), |
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_ => unimplemented!(), |
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} |
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} |
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fn property(&self, obj: &Self::Type, _id: usize, pspec: &glib::ParamSpec) -> glib::Value { |
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match pspec.name() { |
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"autoplay" => obj.autoplay().to_value(), |
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_ => unimplemented!(), |
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} |
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} |
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} |
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impl WidgetImpl for MediaContentViewer {} |
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impl BinImpl for MediaContentViewer {} |
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} |
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glib::wrapper! { |
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/// Widget to view any media file.
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pub struct MediaContentViewer(ObjectSubclass<imp::MediaContentViewer>) |
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@extends gtk::Widget, adw::Bin, @implements gtk::Accessible; |
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} |
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impl MediaContentViewer { |
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pub fn new(autoplay: bool) -> Self { |
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glib::Object::new(&[("autoplay", &autoplay)]).expect("Failed to create MediaContentViewer") |
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} |
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pub fn autoplay(&self) -> bool { |
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self.imp().autoplay.get() |
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} |
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fn set_autoplay(&self, autoplay: bool) { |
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if self.autoplay() == autoplay { |
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return; |
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} |
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self.imp().autoplay.set(autoplay); |
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self.notify("autoplay"); |
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} |
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/// Show the loading screen.
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pub fn show_loading(&self) { |
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self.imp().stack.set_visible_child_name("loading"); |
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} |
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/// Show the viewer.
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fn show_viewer(&self) { |
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self.imp().stack.set_visible_child_name("viewer"); |
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} |
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/// Show the fallback message for the given content type.
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pub fn show_fallback(&self, content_type: ContentType) { |
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let priv_ = self.imp(); |
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let fallback = &priv_.fallback; |
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let title = match content_type { |
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ContentType::Image => gettext("Image not Viewable"), |
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ContentType::Audio => gettext("Audio Clip not Playable"), |
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ContentType::Video => gettext("Video not Playable"), |
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ContentType::Unknown => gettext("File not Viewable"), |
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}; |
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fallback.set_title(&title); |
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fallback.set_icon_name(Some(content_type.icon_name())); |
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priv_.stack.set_visible_child_name("fallback"); |
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} |
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/// View the given image as bytes.
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///
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/// If you have an image file, you can also use
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/// [`MediaContentViewer::view_file()`].
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pub fn view_image(&self, image: &gdk::Texture) { |
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self.show_loading(); |
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let priv_ = self.imp(); |
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let picture = if let Some(picture) = priv_ |
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.viewer |
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.child() |
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.and_then(|widget| widget.downcast::<gtk::Picture>().ok()) |
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{ |
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picture |
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} else { |
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let picture = gtk::Picture::new(); |
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priv_.viewer.set_child(Some(&picture)); |
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picture |
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}; |
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picture.set_paintable(Some(image)); |
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self.show_viewer(); |
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} |
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/// View the given file.
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pub fn view_file(&self, file: gio::File) { |
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self.show_loading(); |
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spawn!(clone!(@weak self as obj => async move { |
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obj.view_file_inner(file).await; |
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})); |
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} |
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async fn view_file_inner(&self, file: gio::File) { |
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let priv_ = self.imp(); |
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let file_info = file |
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.query_info_future( |
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*gio::FILE_ATTRIBUTE_STANDARD_CONTENT_TYPE, |
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gio::FileQueryInfoFlags::NONE, |
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glib::PRIORITY_DEFAULT, |
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) |
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.await |
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.ok(); |
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let content_type: ContentType = file_info |
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.as_ref() |
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.and_then(|info| info.content_type()) |
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.and_then(|content_type| gio::content_type_get_mime_type(&content_type)) |
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.and_then(|mime| mime.split('/').next().map(Into::into)) |
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.unwrap_or_default(); |
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match content_type { |
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ContentType::Image => match gdk::Texture::from_file(&file) { |
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Ok(texture) => { |
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self.view_image(&texture); |
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return; |
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} |
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Err(error) => { |
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warn!("Could not load GdkTexture from file: {:?}", error); |
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} |
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}, |
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ContentType::Audio => { |
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let audio = if let Some(audio) = priv_ |
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.viewer |
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.child() |
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.and_then(|widget| widget.downcast::<AudioPlayer>().ok()) |
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{ |
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audio |
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} else { |
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let audio = AudioPlayer::new(); |
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audio.add_css_class("toolbar"); |
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audio.add_css_class("osd"); |
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audio.set_autoplay(self.autoplay()); |
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priv_.viewer.set_child(Some(&audio)); |
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audio |
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}; |
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audio.set_file(Some(&file)); |
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self.show_viewer(); |
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return; |
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} |
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ContentType::Video => { |
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let video = if let Some(video) = priv_ |
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.viewer |
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.child() |
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.and_then(|widget| widget.downcast::<gtk::Video>().ok()) |
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{ |
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video |
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} else { |
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let video = gtk::Video::new(); |
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video.set_autoplay(self.autoplay()); |
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priv_.viewer.set_child(Some(&video)); |
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video |
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}; |
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video.set_file(Some(&file)); |
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self.show_viewer(); |
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return; |
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} |
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_ => {} |
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} |
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self.show_fallback(content_type); |
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} |
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} |
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