diff options
Diffstat (limited to 'main/src/ui/conversation_content_view/file_widget.vala')
| -rw-r--r-- | main/src/ui/conversation_content_view/file_widget.vala | 338 |
1 files changed, 338 insertions, 0 deletions
diff --git a/main/src/ui/conversation_content_view/file_widget.vala b/main/src/ui/conversation_content_view/file_widget.vala new file mode 100644 index 00000000..dd28b385 --- /dev/null +++ b/main/src/ui/conversation_content_view/file_widget.vala @@ -0,0 +1,338 @@ +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) { + // Load and prepare image in tread + Thread<Image?> thread = new Thread<Image?> (null, () => { + Image image = new Image() { halign=Align.START, visible = true }; + + 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 - %s", file_transfer.get_file().get_path(), error.message); + Idle.add(get_image_widget.callback); + 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 image; + }); + yield; + Image image = thread.join(); + if (image == null) return null; + + 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_content_view/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; + } +} + +} |