Clean up file widget code

1 files changed, 127 insertions, 0 deletions

diff --git a/main/src/ui/conversation_content_view/file_default_widget.vala b/main/src/ui/conversation_content_view/file_default_widget.vala
new file mode 100644
index 00000000..045223fe
--- /dev/null
+++ b/main/src/ui/conversation_content_view/file_default_widget.vala
@@ -0,0 +1,127 @@
+using Gee;
+using Gdk;
+using Gtk;
+
+using Dino.Entities;
+
+namespace Dino.Ui {
+
+[GtkTemplate (ui = "/im/dino/Dino/file_default_widget.ui")]
+public class FileDefaultWidget : EventBox {
+
+    [GtkChild] public Stack image_stack;
+    [GtkChild] public Label name_label;
+    [GtkChild] public Label mime_label;
+    [GtkChild] public Image content_type_image;
+    [GtkChild] public Spinner spinner;
+    [GtkChild] public EventBox stack_event_box;
+
+    private FileTransfer.State state;
+    private bool pointer_inside = false;
+
+    public FileDefaultWidget() {
+        this.enter_notify_event.connect(on_pointer_entered);
+        this.leave_notify_event.connect(on_pointer_left);
+
+        stack_event_box.enter_notify_event.connect((event) => { pointer_inside = true; return false; });
+        mime_label.enter_notify_event.connect((event) => { pointer_inside = true; return false; });
+        stack_event_box.leave_notify_event.connect((event) => { pointer_inside = true; return false; });
+        mime_label.leave_notify_event.connect((event) => { pointer_inside = true; return false; });
+    }
+
+    public void update_file_info(string? mime_type, FileTransfer.State state, int size) {
+        this.state = state;
+
+        spinner.active = false; // A hidden spinning spinner still uses CPU. Deactivate asap
+
+        content_type_image.icon_name = get_file_icon_name(mime_type);
+        string? mime_description = mime_type != null ? ContentType.get_description(mime_type) : null;
+
+        switch (state) {
+            case FileTransfer.State.COMPLETE:
+                mime_label.label = mime_description;
+                image_stack.set_visible_child_name("content_type_image");
+                break;
+            case FileTransfer.State.IN_PROGRESS:
+                mime_label.label = _("Downloading %s…").printf(get_size_string(size));
+                spinner.active = true;
+                image_stack.set_visible_child_name("spinner");
+                break;
+            case FileTransfer.State.NOT_STARTED:
+                if (mime_description != null) {
+                    mime_label.label =  _("%s offered: %s").printf(mime_description, get_size_string(size));
+                } else if (size != -1) {
+                    mime_label.label = _("File offered: %s").printf(get_size_string(size));
+                } else {
+                    mime_label.label = _("File offered");
+                }
+                image_stack.set_visible_child_name("content_type_image");
+                break;
+            case FileTransfer.State.FAILED:
+                mime_label.use_markup = true;
+                mime_label.label = "<span foreground=\"#f44336\">" + _("File transfer failed") + "</span>";
+                image_stack.set_visible_child_name("content_type_image");
+                break;
+        }
+    }
+
+    private bool on_pointer_entered(Gdk.EventCrossing 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 (state == FileTransfer.State.NOT_STARTED) {
+                    image_stack.set_visible_child_name("download_image");
+                }
+            }
+            return false;
+        });
+        return false;
+    }
+
+    private bool on_pointer_left(Gdk.EventCrossing 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 (state == FileTransfer.State.NOT_STARTED) {
+                    image_stack.set_visible_child_name("content_type_image");
+                }
+            }
+            return false;
+        });
+        return false;
+    }
+
+    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";
+        }
+    }
+}
+
+}