using Gee;
using Gdk;
using Gtk;
using Pango;
using Dino.Entities;
namespace Dino.Ui.ConversationSummary {
public class FileWidget : Box {
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;
// default box
private Box main_box;
private Image content_type_image;
private Image download_image;
private Spinner spinner;
private Label mime_label;
private Stack image_stack;
private Widget content;
private bool pointer_inside = false;
public FileWidget(StreamInteractor stream_interactor, FileTransfer file_transfer) {
this.stream_interactor = stream_interactor;
this.file_transfer = file_transfer;
load_widget.begin();
}
private async void load_widget() {
if (show_image()) {
content = yield get_image_widget(file_transfer);
if (content != null) {
this.state = State.IMAGE;
this.add(content);
return;
}
}
content = get_default_widget(file_transfer);
this.state = State.DEFAULT;
this.add(content);
}
private async Widget? get_image_widget(FileTransfer file_transfer) {
Image image = new Image() { halign=Align.START, visible = true };
// Load, scale and set the image
new Thread<void*> (null, () => {
Gdk.Pixbuf pixbuf;
try {
pixbuf = new Gdk.Pixbuf.from_file(file_transfer.get_file().get_path());
} catch (Error error) {
warning("Can't load picture %s", file_transfer.get_file().get_path());
return null;
}
pixbuf = pixbuf.apply_embedded_orientation();
int max_scaled_height = MAX_HEIGHT * image.scale_factor;
if (pixbuf.height > max_scaled_height) {
pixbuf = pixbuf.scale_simple((int) ((double) max_scaled_height / pixbuf.height * pixbuf.width), max_scaled_height, Gdk.InterpType.BILINEAR);
}
int max_scaled_width = MAX_WIDTH * image.scale_factor;
if (pixbuf.width > max_scaled_width) {
pixbuf = pixbuf.scale_simple(max_scaled_width, (int) ((double) max_scaled_width / pixbuf.width * pixbuf.height), Gdk.InterpType.BILINEAR);
}
pixbuf = crop_corners(pixbuf, 3 * image.get_scale_factor());
Util.image_set_from_scaled_pixbuf(image, pixbuf);
Idle.add(get_image_widget.callback);
return null;
});
yield;
Util.force_css(image, "* { box-shadow: 0px 0px 2px 0px rgba(0,0,0,0.1); margin: 2px; border-radius: 3px; }");
Builder builder = new Builder.from_resource("/im/dino/Dino/conversation_summary/image_toolbar.ui");
Widget toolbar = builder.get_object("main") as Widget;
Util.force_background(toolbar, "rgba(0, 0, 0, 0.5)");
Util.force_css(toolbar, "* { padding: 3px; border-radius: 3px; }");
Label url_label = builder.get_object("url_label") as Label;
Util.force_color(url_label, "#eee");
if (file_transfer.file_name != null && file_transfer.file_name != "") {
string caption = file_transfer.file_name;
url_label.label = caption;
} else {
url_label.visible = false;
}
Image open_image = builder.get_object("open_image") as Image;
Util.force_css(open_image, "*:not(:hover) { color: #eee; }");
Button open_button = builder.get_object("open_button") as Button;
Util.force_css(open_button, "*:hover { background-color: rgba(255,255,255,0.3); border-color: transparent; }");
open_button.clicked.connect(() => {
try{
AppInfo.launch_default_for_uri(file_transfer.get_file().get_uri(), null);
} catch (Error err) {
info("Could not to open file://%s: %s", file_transfer.get_file().get_path(), err.message);
}
});
Revealer toolbar_revealer = new Revealer() { transition_type=RevealerTransitionType.CROSSFADE, transition_duration=400, visible=true };
toolbar_revealer.add(toolbar);
Grid grid = new Grid() { visible=true };
grid.attach(toolbar_revealer, 0, 0, 1, 1);
grid.attach(image, 0, 0, 1, 1);
EventBox event_box = new EventBox() { margin_top=5, halign=Align.START, visible=true };
event_box.events = EventMask.POINTER_MOTION_MASK;
event_box.add(grid);
event_box.enter_notify_event.connect(() => { toolbar_revealer.reveal_child = true; return false; });
event_box.leave_notify_event.connect(() => { toolbar_revealer.reveal_child = false; return false; });
return event_box;
}
private static Gdk.Pixbuf crop_corners(Gdk.Pixbuf pixbuf, double radius = 3) {
Cairo.Context ctx = new Cairo.Context(new Cairo.ImageSurface(Cairo.Format.ARGB32, pixbuf.width, pixbuf.height));
Gdk.cairo_set_source_pixbuf(ctx, pixbuf, 0, 0);
double degrees = Math.PI / 180.0;
ctx.new_sub_path();
ctx.arc(pixbuf.width - radius, radius, radius, -90 * degrees, 0 * degrees);
ctx.arc(pixbuf.width - radius, pixbuf.height - radius, radius, 0 * degrees, 90 * degrees);
ctx.arc(radius, pixbuf.height - radius, radius, 90 * degrees, 180 * degrees);
ctx.arc(radius, radius, radius, 180 * degrees, 270 * degrees);
ctx.close_path();
ctx.clip();
ctx.paint();
return Gdk.pixbuf_get_from_surface(ctx.get_target(), 0, 0, pixbuf.width, pixbuf.height);
}
private Widget get_default_widget(FileTransfer file_transfer) {
string icon_name = get_file_icon_name(file_transfer.mime_type);
main_box = new Box(Orientation.HORIZONTAL, 10) { halign=Align.FILL, hexpand=true, visible=true };
content_type_image = new Image.from_icon_name(icon_name, IconSize.DND) { opacity=0.5, visible=true };
download_image = new Image.from_icon_name("dino-file-download-symbolic", IconSize.DND) { opacity=0.7, visible=true };
spinner = new Spinner() { visible=true };
EventBox stack_event_box = new EventBox() { visible=true };
image_stack = new Stack() { transition_type = StackTransitionType.CROSSFADE, transition_duration=50, valign=Align.CENTER, visible=true };
image_stack.add_named(download_image, "download_image");
image_stack.add_named(spinner, "spinner");
image_stack.add_named(content_type_image, "content_type_image");
stack_event_box.add(image_stack);
main_box.add(stack_event_box);
Box right_box = new Box(Orientation.VERTICAL, 0) { hexpand=true, visible=true };
Label name_label = new Label(file_transfer.file_name) { ellipsize=EllipsizeMode.MIDDLE, max_width_chars=1, hexpand=true, xalign=0, yalign=0, visible=true};
right_box.add(name_label);
EventBox mime_label_event_box = new EventBox() { visible=true };
mime_label = new Label("") { use_markup=true, xalign=0, yalign=1, visible=true};
mime_label_event_box.add(mime_label);
mime_label.get_style_context().add_class("dim-label");
right_box.add(mime_label_event_box);
main_box.add(right_box);
EventBox event_box = new EventBox() { margin_top=5, width_request=500, halign=Align.START, visible=true };
event_box.get_style_context().add_class("file-box-outer");
event_box.add(main_box);
main_box.get_style_context().add_class("file-box");
event_box.enter_notify_event.connect((event) => {
pointer_inside = true;
Timeout.add(20, () => {
if (pointer_inside) {
event.get_window().set_cursor(new Cursor.for_display(Gdk.Display.get_default(), CursorType.HAND2));
content_type_image.opacity = 0.7;
if (file_transfer.state == FileTransfer.State.NOT_STARTED) {
image_stack.set_visible_child_name("download_image");
}
}
return false;
});
return false;
});
stack_event_box.enter_notify_event.connect((event) => { pointer_inside = true; return false; });
mime_label_event_box.enter_notify_event.connect((event) => { pointer_inside = true; return false; });
mime_label.enter_notify_event.connect((event) => { pointer_inside = true; return false; });
event_box.leave_notify_event.connect((event) => {
pointer_inside = false;
Timeout.add(20, () => {
if (!pointer_inside) {
event.get_window().set_cursor(new Cursor.for_display(Gdk.Display.get_default(), CursorType.XTERM));
content_type_image.opacity = 0.5;
if (file_transfer.state == FileTransfer.State.NOT_STARTED) {
image_stack.set_visible_child_name("content_type_image");
}
}
return false;
});
return false;
});
stack_event_box.leave_notify_event.connect((event) => { pointer_inside = true; return false; });
mime_label_event_box.leave_notify_event.connect((event) => { pointer_inside = true; return false; });
mime_label.leave_notify_event.connect((event) => { pointer_inside = true; return false; });
event_box.button_release_event.connect((event_button) => {
switch (file_transfer.state) {
case FileTransfer.State.COMPLETE:
if (event_button.button == 1) {
try{
AppInfo.launch_default_for_uri(file_transfer.get_file().get_uri(), null);
} catch (Error err) {
print("Tried to open " + file_transfer.get_file().get_path());
}
}
break;
case FileTransfer.State.NOT_STARTED:
stream_interactor.get_module(FileManager.IDENTITY).download_file.begin(file_transfer);
break;
}
return false;
});
main_box.events = EventMask.POINTER_MOTION_MASK;
content_type_image.events = EventMask.POINTER_MOTION_MASK;
download_image.events = EventMask.POINTER_MOTION_MASK;
spinner.events = EventMask.POINTER_MOTION_MASK;
image_stack.events = EventMask.POINTER_MOTION_MASK;
right_box.events = EventMask.POINTER_MOTION_MASK;
name_label.events = EventMask.POINTER_MOTION_MASK;
mime_label.events = EventMask.POINTER_MOTION_MASK;
event_box.events = EventMask.POINTER_MOTION_MASK;
mime_label.events = EventMask.POINTER_MOTION_MASK;
mime_label_event_box.events = EventMask.POINTER_MOTION_MASK;
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.begin();
return event_box;
}
private async void update_file_info() {
if (file_transfer.state == FileTransfer.State.COMPLETE && show_image() && state != State.IMAGE) {
this.remove(content);
this.add(yield get_image_widget(file_transfer));
state = State.IMAGE;
}
spinner.active = false; // A hidden spinning spinner still uses CPU. Deactivate asap
string? mime_description = file_transfer.mime_type != null ? ContentType.get_description(file_transfer.mime_type) : null;
switch (file_transfer.state) {
case FileTransfer.State.COMPLETE:
mime_label.label = "<span size='small'>" + mime_description + "</span>";
image_stack.set_visible_child_name("content_type_image");
break;
case FileTransfer.State.IN_PROGRESS:
mime_label.label = "<span size='small'>" + _("Downloading %s…").printf(get_size_string(file_transfer.size)) + "</span>";
spinner.active = true;
image_stack.set_visible_child_name("spinner");
break;
case FileTransfer.State.NOT_STARTED:
if (mime_description != null) {
mime_label.label = "<span size='small'>" + _("%s offered: %s").printf(mime_description, get_size_string(file_transfer.size)) + "</span>";
} else if (file_transfer.size != -1) {
mime_label.label = "<span size='small'>" + _("File offered: %s").printf(get_size_string(file_transfer.size)) + "</span>";
} else {
mime_label.label = "<span size='small'>" + _("File offered") + "</span>";
}
image_stack.set_visible_child_name("content_type_image");
break;
case FileTransfer.State.FAILED:
mime_label.label = "<span size='small' foreground=\"#f44336\">" + _("File transfer failed") + "</span>";
image_stack.set_visible_child_name("content_type_image");
break;
}
}
private static string get_file_icon_name(string? mime_type) {
if (mime_type == null) return "dino-file-symbolic";
string generic_icon_name = ContentType.get_generic_icon_name(mime_type) ?? "";
switch (generic_icon_name) {
case "audio-x-generic": return "dino-file-music-symbolic";
case "image-x-generic": return "dino-file-image-symbolic";
case "text-x-generic": return "dino-file-document-symbolic";
case "text-x-generic-template": return "dino-file-document-symbolic";
case "video-x-generic": return "dino-file-video-symbolic";
case "x-office-document": return "dino-file-document-symbolic";
case "x-office-spreadsheet": return "dino-file-table-symbolic";
default: return "dino-file-symbolic";
}
}
private static string get_size_string(int size) {
if (size < 1024) {
return @"$(size) B";
} else if (size < 1000 * 1000) {
return @"$(size / 1000) kB";
} else if (size < 1000 * 1000 * 1000) {
return @"$(size / 1000 / 1000) MB";
} else {
return @"$(size / 1000 / 1000 / 1000) GB";
}
}
private bool show_image() {
if (file_transfer.mime_type == null || file_transfer.state != FileTransfer.State.COMPLETE) 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;
}
}
}
