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using Gee;
using Gdk;
using Gtk;
using Pango;
using Dino.Entities;
namespace Dino.Ui {
public class FileMetaItem : ConversationSummary.ContentMetaItem {
private StreamInteractor stream_interactor;
public FileMetaItem(ContentItem content_item, StreamInteractor stream_interactor) {
base(content_item);
this.stream_interactor = stream_interactor;
}
public override Object? get_widget(Plugins.WidgetType type) {
FileItem file_item = content_item as FileItem;
FileTransfer transfer = file_item.file_transfer;
return new FileWidget(stream_interactor, transfer) { visible=true };
}
public override Gee.List<Plugins.MessageAction>? get_item_actions(Plugins.WidgetType type) { return null; }
}
public class FileWidget : SizeRequestBox {
enum State {
IMAGE,
DEFAULT
}
private const int MAX_HEIGHT = 300;
private const int MAX_WIDTH = 600;
private StreamInteractor stream_interactor;
private FileTransfer file_transfer;
private State? state = null;
private FileDefaultWidgetController default_widget_controller;
private Widget? content = null;
construct {
margin_top = 4;
size_request_mode = SizeRequestMode.HEIGHT_FOR_WIDTH;
}
public FileWidget(StreamInteractor stream_interactor, FileTransfer file_transfer) {
this.stream_interactor = stream_interactor;
this.file_transfer = file_transfer;
update_widget.begin();
size_allocate.connect((allocation) => {
if (allocation.height > parent.get_allocated_height()) {
Idle.add(() => { parent.queue_resize(); return false; });
}
});
file_transfer.notify["state"].connect(update_widget);
file_transfer.notify["mime-type"].connect(update_widget);
}
private async void update_widget() {
if (show_image() && state != State.IMAGE) {
var content_bak = content;
FileImageWidget file_image_widget = null;
try {
file_image_widget = new FileImageWidget() { visible=true };
yield file_image_widget.load_from_file(file_transfer.get_file(), file_transfer.file_name);
// If the widget changed in the meanwhile, stop
if (content != content_bak) return;
if (content != null) this.remove(content);
content = file_image_widget;
state = State.IMAGE;
this.add(content);
return;
} catch (Error e) { }
}
if (state != State.DEFAULT) {
if (content != null) this.remove(content);
FileDefaultWidget default_file_widget = new FileDefaultWidget() { visible=true };
default_widget_controller = new FileDefaultWidgetController(default_file_widget);
default_widget_controller.set_file_transfer(file_transfer, stream_interactor);
content = default_file_widget;
this.state = State.DEFAULT;
this.add(content);
}
}
private bool show_image() {
if (file_transfer.mime_type == null) return false;
if (file_transfer.state != FileTransfer.State.COMPLETE &&
!(file_transfer.direction == FileTransfer.DIRECTION_SENT && file_transfer.state == FileTransfer.State.IN_PROGRESS)) {
return false;
}
foreach (PixbufFormat pixbuf_format in Pixbuf.get_formats()) {
foreach (string mime_type in pixbuf_format.get_mime_types()) {
if (mime_type == file_transfer.mime_type) {
return true;
}
}
}
return false;
}
}
public class FileDefaultWidgetController : Object {
private FileDefaultWidget widget;
private FileTransfer? file_transfer;
private StreamInteractor? stream_interactor;
private string file_uri;
private FileTransfer.State state;
public FileDefaultWidgetController(FileDefaultWidget widget) {
this.widget = widget;
widget.button_release_event.connect(on_clicked);
}
public void set_file_transfer(FileTransfer file_transfer, StreamInteractor stream_interactor) {
this.file_transfer = file_transfer;
this.stream_interactor = stream_interactor;
widget.name_label.label = file_transfer.file_name;
file_transfer.notify["path"].connect(update_file_info);
file_transfer.notify["state"].connect(update_file_info);
file_transfer.notify["mime-type"].connect(update_file_info);
update_file_info();
}
public void set_file(File file, string file_name, string? mime_type) {
file_uri = file.get_uri();
state = FileTransfer.State.COMPLETE;
widget.name_label.label = file_name;
widget.update_file_info(mime_type, state, -1);
}
private void update_file_info() {
file_uri = file_transfer.get_file().get_uri();
state = file_transfer.state;
widget.update_file_info(file_transfer.mime_type, file_transfer.state, file_transfer.size);
}
private bool on_clicked(EventButton event_button) {
switch (state) {
case FileTransfer.State.COMPLETE:
if (event_button.button == 1) {
try{
AppInfo.launch_default_for_uri(file_uri, null);
} catch (Error err) {
print("Tried to open " + file_uri);
}
}
break;
case FileTransfer.State.NOT_STARTED:
assert(stream_interactor != null && file_transfer != null);
stream_interactor.get_module(FileManager.IDENTITY).download_file.begin(file_transfer);
break;
}
return false;
}
}
}
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