Merge remote-tracking branch 'origin/feature/calls'

6 files changed, 955 insertions, 0 deletions

diff --git a/main/src/ui/call_window/audio_settings_popover.vala b/main/src/ui/call_window/audio_settings_popover.vala
new file mode 100644
index 00000000..7d1f39b0
--- /dev/null
+++ b/main/src/ui/call_window/audio_settings_popover.vala
@@ -0,0 +1,127 @@
+using Gee;
+using Gtk;
+using Dino.Entities;
+
+public class Dino.Ui.AudioSettingsPopover : Gtk.Popover {
+
+    public signal void microphone_selected(Plugins.MediaDevice device);
+    public signal void speaker_selected(Plugins.MediaDevice device);
+
+    public Plugins.MediaDevice? current_microphone_device { get; set; }
+    public Plugins.MediaDevice? current_speaker_device { get; set; }
+
+    private HashMap<ListBoxRow, Plugins.MediaDevice> row_microphone_device = new HashMap<ListBoxRow, Plugins.MediaDevice>();
+    private HashMap<ListBoxRow, Plugins.MediaDevice> row_speaker_device = new HashMap<ListBoxRow, Plugins.MediaDevice>();
+
+    public AudioSettingsPopover() {
+        Box box = new Box(Orientation.VERTICAL, 15) { margin=18, visible=true };
+        box.add(create_microphone_box());
+        box.add(create_speaker_box());
+
+        this.add(box);
+    }
+
+    private Widget create_microphone_box() {
+        Plugins.VideoCallPlugin call_plugin = Dino.Application.get_default().plugin_registry.video_call_plugin;
+        Gee.List<Plugins.MediaDevice> devices = call_plugin.get_devices("audio", false);
+
+        Box micro_box = new Box(Orientation.VERTICAL, 10) { visible=true };
+        micro_box.add(new Label("<b>" + _("Microphones") + "</b>") { use_markup=true, xalign=0, visible=true, can_focus=true /* grab initial focus*/ });
+
+        if (devices.size == 0) {
+            micro_box.add(new Label("No microphones found."));
+        } else {
+            ListBox micro_list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE, visible=true };
+            micro_list_box.set_header_func(listbox_header_func);
+            Frame micro_frame = new Frame(null) { visible=true };
+            micro_frame.add(micro_list_box);
+            foreach (Plugins.MediaDevice device in devices) {
+                Label label = new Label(device.display_name) { xalign=0, visible=true };
+                Image image = new Image.from_icon_name("object-select-symbolic", IconSize.BUTTON) { visible=true };
+                if (current_microphone_device == null || current_microphone_device.id != device.id) {
+                    image.opacity = 0;
+                }
+                this.notify["current-microphone-device"].connect(() => {
+                    if (current_microphone_device == null || current_microphone_device.id != device.id) {
+                        image.opacity = 0;
+                    } else {
+                        image.opacity = 1;
+                    }
+                });
+                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7, margin=7, visible=true };
+                device_box.add(image);
+                device_box.add(label);
+                ListBoxRow list_box_row = new ListBoxRow() { visible=true };
+                list_box_row.add(device_box);
+                micro_list_box.add(list_box_row);
+
+                row_microphone_device[list_box_row] = device;
+            }
+            micro_list_box.row_activated.connect((row) => {
+                if (!row_microphone_device.has_key(row)) return;
+                microphone_selected(row_microphone_device[row]);
+                micro_list_box.unselect_row(row);
+            });
+            micro_box.add(micro_frame);
+        }
+
+        return micro_box;
+    }
+
+    private Widget create_speaker_box() {
+        Plugins.VideoCallPlugin call_plugin = Dino.Application.get_default().plugin_registry.video_call_plugin;
+        Gee.List<Plugins.MediaDevice> devices = call_plugin.get_devices("audio", true);
+
+        Box speaker_box = new Box(Orientation.VERTICAL, 10) { visible=true };
+        speaker_box.add(new Label("<b>" + _("Speakers") +"</b>") { use_markup=true, xalign=0, visible=true });
+
+        if (devices.size == 0) {
+            speaker_box.add(new Label("No speakers found."));
+        } else {
+            ListBox speaker_list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE, visible=true };
+            speaker_list_box.set_header_func(listbox_header_func);
+            speaker_list_box.row_selected.connect((row) => {
+
+            });
+            Frame speaker_frame = new Frame(null) { visible=true };
+            speaker_frame.add(speaker_list_box);
+            foreach (Plugins.MediaDevice device in devices) {
+                Label label = new Label(device.display_name) { xalign=0, visible=true };
+                Image image = new Image.from_icon_name("object-select-symbolic", IconSize.BUTTON) { visible=true };
+                if (current_speaker_device == null || current_speaker_device.id != device.id) {
+                    image.opacity = 0;
+                }
+                this.notify["current-speaker-device"].connect(() => {
+                    if (current_speaker_device == null || current_speaker_device.id != device.id) {
+                        image.opacity = 0;
+                    } else {
+                        image.opacity = 1;
+                    }
+                });
+                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7, margin=7, visible=true };
+                device_box.add(image);
+                device_box.add(label);
+                ListBoxRow list_box_row = new ListBoxRow() { visible=true };
+                list_box_row.add(device_box);
+                speaker_list_box.add(list_box_row);
+
+                row_speaker_device[list_box_row] = device;
+            }
+            speaker_list_box.row_activated.connect((row) => {
+                if (!row_speaker_device.has_key(row)) return;
+                speaker_selected(row_speaker_device[row]);
+                speaker_list_box.unselect_row(row);
+            });
+            speaker_box.add(speaker_frame);
+        }
+
+        return speaker_box;
+    }
+
+    private void listbox_header_func(ListBoxRow row, ListBoxRow? before_row) {
+        if (row.get_header() == null && before_row != null) {
+            row.set_header(new Separator(Orientation.HORIZONTAL));
+        }
+    }
+
+}
\ No newline at end of file
diff --git a/main/src/ui/call_window/call_bottom_bar.vala b/main/src/ui/call_window/call_bottom_bar.vala
new file mode 100644
index 00000000..8a0604b3
--- /dev/null
+++ b/main/src/ui/call_window/call_bottom_bar.vala
@@ -0,0 +1,164 @@
+using Dino.Entities;
+using Gtk;
+using Pango;
+
+public class Dino.Ui.CallBottomBar : Gtk.Box {
+
+    public signal void hang_up();
+
+    public bool audio_enabled { get; set; }
+    public bool video_enabled { get; set; }
+
+    public static IconSize ICON_SIZE_MEDIADEVICE_BUTTON = Gtk.icon_size_register("im.dino.Dino.CALL_MEDIADEVICE_BUTTON", 10, 10);
+
+    public string counterpart_display_name { get; set; }
+
+    private Button audio_button = new Button() { height_request=45, width_request=45, halign=Align.START, valign=Align.START, visible=true };
+    private Overlay audio_button_overlay = new Overlay() { visible=true };
+    private Image audio_image = new Image() { visible=true };
+    private MenuButton audio_settings_button = new MenuButton() { halign=Align.END, valign=Align.END };
+    public AudioSettingsPopover? audio_settings_popover;
+
+    private Button video_button = new Button() { height_request=45, width_request=45, halign=Align.START, valign=Align.START, visible=true };
+    private Overlay video_button_overlay = new Overlay() { visible=true };
+    private Image video_image = new Image() { visible=true };
+    private MenuButton video_settings_button = new MenuButton() { halign=Align.END, valign=Align.END };
+    public VideoSettingsPopover? video_settings_popover;
+
+    public CallEntryptionButton encryption_button = new CallEntryptionButton() { relief=ReliefStyle.NONE, height_request=30, width_request=30, margin_start=20, margin_bottom=25, halign=Align.START, valign=Align.END };
+
+    private Label label = new Label("") { margin=20, halign=Align.CENTER, valign=Align.CENTER, wrap=true, wrap_mode=Pango.WrapMode.WORD_CHAR, hexpand=true, visible=true };
+    private Stack stack = new Stack() { visible=true };
+
+    public CallBottomBar() {
+        Object(orientation:Orientation.HORIZONTAL, spacing:0);
+
+        Overlay default_control = new Overlay() { visible=true };
+        default_control.add_overlay(encryption_button);
+
+        Box main_buttons = new Box(Orientation.HORIZONTAL, 20) { margin_start=40, margin_end=40, margin=20, halign=Align.CENTER, hexpand=true, visible=true };
+
+        audio_button.add(audio_image);
+        audio_button.get_style_context().add_class("call-button");
+        audio_button.clicked.connect(() => { audio_enabled = !audio_enabled; });
+        audio_button.margin_end = audio_button.margin_bottom = 5; // space for the small settings button
+        audio_button_overlay.add(audio_button);
+        audio_button_overlay.add_overlay(audio_settings_button);
+        audio_settings_button.set_image(new Image.from_icon_name("go-up-symbolic", ICON_SIZE_MEDIADEVICE_BUTTON) { visible=true });
+        audio_settings_button.get_style_context().add_class("call-mediadevice-settings-button");
+        audio_settings_button.use_popover = true;
+        main_buttons.add(audio_button_overlay);
+
+        video_button.add(video_image);
+        video_button.get_style_context().add_class("call-button");
+        video_button.clicked.connect(() => { video_enabled = !video_enabled; });
+        video_button.margin_end = video_button.margin_bottom = 5;
+        video_button_overlay.add(video_button);
+        video_button_overlay.add_overlay(video_settings_button);
+        video_settings_button.set_image(new Image.from_icon_name("go-up-symbolic", ICON_SIZE_MEDIADEVICE_BUTTON) { visible=true });
+        video_settings_button.get_style_context().add_class("call-mediadevice-settings-button");
+        video_settings_button.use_popover = true;
+        main_buttons.add(video_button_overlay);
+
+        Button button_hang = new Button.from_icon_name("dino-phone-hangup-symbolic", IconSize.LARGE_TOOLBAR) { height_request=45, width_request=45, halign=Align.START, valign=Align.START, visible=true };
+        button_hang.get_style_context().add_class("call-button");
+        button_hang.get_style_context().add_class("destructive-action");
+        button_hang.clicked.connect(() => hang_up());
+        main_buttons.add(button_hang);
+
+        default_control.add(main_buttons);
+
+        label.get_style_context().add_class("text-no-controls");
+
+        stack.add_named(default_control, "control-buttons");
+        stack.add_named(label, "label");
+        this.add(stack);
+
+        this.notify["audio-enabled"].connect(on_audio_enabled_changed);
+        this.notify["video-enabled"].connect(on_video_enabled_changed);
+
+        audio_enabled = true;
+        video_enabled = false;
+
+        on_audio_enabled_changed();
+        on_video_enabled_changed();
+
+        this.get_style_context().add_class("call-bottom-bar");
+    }
+
+    public AudioSettingsPopover? show_audio_device_choices(bool show) {
+        audio_settings_button.visible = show;
+        if (audio_settings_popover != null) audio_settings_popover.visible = false;
+        if (!show) return null;
+
+        audio_settings_popover = new AudioSettingsPopover();
+
+        audio_settings_button.popover = audio_settings_popover;
+
+        audio_settings_popover.set_relative_to(audio_settings_button);
+        audio_settings_popover.microphone_selected.connect(() => { audio_settings_button.active = false; });
+        audio_settings_popover.speaker_selected.connect(() => { audio_settings_button.active = false; });
+
+        return audio_settings_popover;
+    }
+
+    public void show_audio_device_error() {
+        audio_settings_button.set_image(new Image.from_icon_name("dialog-warning-symbolic", IconSize.BUTTON) { visible=true });
+        Util.force_error_color(audio_settings_button);
+    }
+
+    public VideoSettingsPopover? show_video_device_choices(bool show) {
+        video_settings_button.visible = show;
+        if (video_settings_popover != null) video_settings_popover.visible = false;
+        if (!show) return null;
+
+        video_settings_popover = new VideoSettingsPopover();
+
+
+        video_settings_button.popover = video_settings_popover;
+
+        video_settings_popover.set_relative_to(video_settings_button);
+        video_settings_popover.camera_selected.connect(() => { video_settings_button.active = false; });
+
+        return video_settings_popover;
+    }
+
+    public void show_video_device_error() {
+        video_settings_button.set_image(new Image.from_icon_name("dialog-warning-symbolic", IconSize.BUTTON) { visible=true });
+        Util.force_error_color(video_settings_button);
+    }
+
+    public void on_audio_enabled_changed() {
+        if (audio_enabled) {
+            audio_image.set_from_icon_name("dino-microphone-symbolic", IconSize.LARGE_TOOLBAR);
+            audio_button.get_style_context().add_class("white-button");
+            audio_button.get_style_context().remove_class("transparent-white-button");
+        } else {
+            audio_image.set_from_icon_name("dino-microphone-off-symbolic", IconSize.LARGE_TOOLBAR);
+            audio_button.get_style_context().remove_class("white-button");
+            audio_button.get_style_context().add_class("transparent-white-button");
+        }
+    }
+
+    public void on_video_enabled_changed() {
+        if (video_enabled) {
+            video_image.set_from_icon_name("dino-video-symbolic", IconSize.LARGE_TOOLBAR);
+            video_button.get_style_context().add_class("white-button");
+            video_button.get_style_context().remove_class("transparent-white-button");
+
+        } else {
+            video_image.set_from_icon_name("dino-video-off-symbolic", IconSize.LARGE_TOOLBAR);
+            video_button.get_style_context().remove_class("white-button");
+            video_button.get_style_context().add_class("transparent-white-button");
+        }
+    }
+
+    public void show_counterpart_ended(string text) {
+        stack.set_visible_child_name("label");
+        label.label = text;
+    }
+
+    public bool is_menu_active() {
+        return video_settings_button.active || audio_settings_button.active || encryption_button.active;
+    }
+}
\ No newline at end of file
diff --git a/main/src/ui/call_window/call_encryption_button.vala b/main/src/ui/call_window/call_encryption_button.vala
new file mode 100644
index 00000000..1d785d51
--- /dev/null
+++ b/main/src/ui/call_window/call_encryption_button.vala
@@ -0,0 +1,77 @@
+using Dino.Entities;
+using Gtk;
+using Pango;
+
+public class Dino.Ui.CallEntryptionButton : MenuButton {
+
+    private Image encryption_image = new Image.from_icon_name("changes-allow-symbolic", IconSize.BUTTON) { visible=true };
+
+    construct {
+        add(encryption_image);
+        get_style_context().add_class("encryption-box");
+        this.set_popover(popover);
+    }
+
+    public void set_icon(bool encrypted, string? icon_name) {
+        this.visible = true;
+
+        if (encrypted) {
+            encryption_image.set_from_icon_name(icon_name ?? "changes-prevent-symbolic", IconSize.BUTTON);
+            get_style_context().remove_class("unencrypted");
+        } else {
+            encryption_image.set_from_icon_name(icon_name ?? "changes-allow-symbolic", IconSize.BUTTON);
+            get_style_context().add_class("unencrypted");
+        }
+    }
+
+    public void set_info(string? title, bool show_keys, Xmpp.Xep.Jingle.ContentEncryption? audio_encryption, Xmpp.Xep.Jingle.ContentEncryption? video_encryption) {
+        Popover popover = new Popover(this);
+        this.set_popover(popover);
+
+        if (audio_encryption == null) {
+            popover.add(new Label("This call is unencrypted.") { margin=10, visible=true } );
+            return;
+        }
+        if (title != null && !show_keys) {
+            popover.add(new Label(title) { use_markup=true, margin=10, visible=true } );
+            return;
+        }
+
+        Box box = new Box(Orientation.VERTICAL, 10) { margin=10, visible=true };
+        box.add(new Label("<b>%s</b>".printf(title ?? "This call is end-to-end encrypted.")) { use_markup=true, xalign=0, visible=true });
+
+        if (video_encryption == null) {
+            box.add(create_media_encryption_grid(audio_encryption));
+        } else {
+            box.add(new Label("<b>Audio</b>") { use_markup=true, xalign=0, visible=true });
+            box.add(create_media_encryption_grid(audio_encryption));
+            box.add(new Label("<b>Video</b>") { use_markup=true, xalign=0, visible=true });
+            box.add(create_media_encryption_grid(video_encryption));
+        }
+        popover.add(box);
+    }
+
+    private Grid create_media_encryption_grid(Xmpp.Xep.Jingle.ContentEncryption? encryption) {
+        Grid ret = new Grid() { row_spacing=3, column_spacing=5, visible=true };
+        if (encryption.peer_key.length > 0) {
+            ret.attach(new Label("Peer call key") { xalign=0, visible=true }, 1, 2, 1, 1);
+            ret.attach(new Label("<span font_family='monospace'>" + format_fingerprint(encryption.peer_key) + "</span>") { use_markup=true, max_width_chars=25, ellipsize=EllipsizeMode.MIDDLE, xalign=0, hexpand=true, visible=true }, 2, 2, 1, 1);
+        }
+        if (encryption.our_key.length > 0) {
+            ret.attach(new Label("Your call key") { xalign=0, visible=true }, 1, 3, 1, 1);
+            ret.attach(new Label("<span font_family='monospace'>" + format_fingerprint(encryption.our_key) + "</span>") { use_markup=true, max_width_chars=25, ellipsize=EllipsizeMode.MIDDLE, xalign=0, hexpand=true, visible=true }, 2, 3, 1, 1);
+        }
+        return ret;
+    }
+
+    private string format_fingerprint(uint8[] fingerprint) {
+        var sb = new StringBuilder();
+        for (int i = 0; i < fingerprint.length; i++) {
+            sb.append("%02x".printf(fingerprint[i]));
+            if (i < fingerprint.length - 1) {
+                sb.append(":");
+            }
+        }
+        return sb.str;
+    }
+}
\ No newline at end of file
diff --git a/main/src/ui/call_window/call_window.vala b/main/src/ui/call_window/call_window.vala
new file mode 100644
index 00000000..3b3d4dc2
--- /dev/null
+++ b/main/src/ui/call_window/call_window.vala
@@ -0,0 +1,260 @@
+using Dino.Entities;
+using Gtk;
+
+namespace Dino.Ui {
+
+    public class CallWindow : Gtk.Window {
+        public string counterpart_display_name { get; set; }
+
+        // TODO should find another place for this
+        public CallWindowController controller;
+
+        public Overlay overlay = new Overlay() { visible=true };
+        public EventBox event_box = new EventBox() { visible=true };
+        public CallBottomBar bottom_bar = new CallBottomBar() { visible=true };
+        public Revealer bottom_bar_revealer = new Revealer() { valign=Align.END, transition_type=RevealerTransitionType.CROSSFADE, transition_duration=200, visible=true };
+        public HeaderBar header_bar = new HeaderBar() { show_close_button=true, visible=true };
+        public Revealer header_bar_revealer = new Revealer() { valign=Align.START, transition_type=RevealerTransitionType.CROSSFADE, transition_duration=200, visible=true };
+        public Stack stack = new Stack() { visible=true };
+        public Box own_video_box = new Box(Orientation.HORIZONTAL, 0) { expand=true, visible=true };
+        private Widget? own_video = null;
+        private Box? own_video_border = new Box(Orientation.HORIZONTAL, 0) { expand=true }; // hack to draw a border around our own video, since we apparently can't draw a border around the Gst widget
+
+        private int own_video_width = 150;
+        private int own_video_height = 100;
+
+        private bool hide_controll_elements = false;
+        private uint hide_controll_handler = 0;
+        private Widget? main_widget = null;
+
+        construct {
+            header_bar.get_style_context().add_class("call-header-bar");
+            header_bar_revealer.add(header_bar);
+
+            this.get_style_context().add_class("dino-call-window");
+
+            bottom_bar_revealer.add(bottom_bar);
+
+            overlay.add_overlay(own_video_box);
+            overlay.add_overlay(own_video_border);
+            overlay.add_overlay(bottom_bar_revealer);
+            overlay.add_overlay(header_bar_revealer);
+
+            event_box.add(overlay);
+            add(event_box);
+
+            Util.force_css(own_video_border, "* { border: 1px solid #616161; background-color: transparent; }");
+        }
+
+        public CallWindow() {
+            event_box.events |= Gdk.EventMask.POINTER_MOTION_MASK;
+            event_box.events |= Gdk.EventMask.ENTER_NOTIFY_MASK;
+            event_box.events |= Gdk.EventMask.LEAVE_NOTIFY_MASK;
+
+            this.bind_property("counterpart-display-name", header_bar, "title", BindingFlags.SYNC_CREATE);
+            this.bind_property("counterpart-display-name", bottom_bar, "counterpart-display-name", BindingFlags.SYNC_CREATE);
+
+            event_box.motion_notify_event.connect(reveal_control_elements);
+            event_box.enter_notify_event.connect(reveal_control_elements);
+            event_box.leave_notify_event.connect(reveal_control_elements);
+            this.configure_event.connect(reveal_control_elements); // upon resizing
+            this.configure_event.connect(update_own_video_position);
+
+            this.set_titlebar(new OutsideHeaderBar(this.header_bar) { visible=true });
+
+            reveal_control_elements();
+        }
+
+        public void set_video_fallback(StreamInteractor stream_interactor, Conversation conversation) {
+            hide_controll_elements = false;
+
+            Box box = new Box(Orientation.HORIZONTAL, 0) { visible=true };
+            box.get_style_context().add_class("video-placeholder-box");
+            AvatarImage avatar = new AvatarImage() { hexpand=true, vexpand=true, halign=Align.CENTER, valign=Align.CENTER, height=100, width=100, visible=true };
+            avatar.set_conversation(stream_interactor, conversation);
+            box.add(avatar);
+
+            set_new_main_widget(box);
+        }
+
+        public void set_video(Widget widget) {
+            hide_controll_elements = true;
+
+            widget.visible = true;
+            set_new_main_widget(widget);
+        }
+
+        public void set_own_video(Widget? widget_) {
+            own_video_box.foreach((widget) => { own_video_box.remove(widget); });
+
+            own_video = widget_;
+            if (own_video == null) {
+                own_video = new Box(Orientation.HORIZONTAL, 0) { expand=true };
+            }
+            own_video.visible = true;
+            own_video.width_request = 150;
+            own_video.height_request = 100;
+            own_video_box.add(own_video);
+
+            own_video_border.visible = true;
+
+            update_own_video_position();
+        }
+
+        public void set_own_video_ratio(int width, int height) {
+            if (width / height > 150 / 100) {
+                this.own_video_width = 150;
+                this.own_video_height = height * 150 / width;
+            } else {
+                this.own_video_width = width * 100 / height;
+                this.own_video_height = 100;
+            }
+
+            own_video.width_request = own_video_width;
+            own_video.height_request = own_video_height;
+
+            update_own_video_position();
+        }
+
+        public void unset_own_video() {
+            own_video_box.foreach((widget) => { own_video_box.remove(widget); });
+
+            own_video_border.visible = false;
+        }
+
+        public void set_test_video() {
+            hide_controll_elements = true;
+
+            var pipeline = new Gst.Pipeline(null);
+            var src = Gst.ElementFactory.make("videotestsrc", null);
+            pipeline.add(src);
+            Gst.Video.Sink sink = (Gst.Video.Sink) Gst.ElementFactory.make("gtksink", null);
+            Gtk.Widget widget;
+            sink.get("widget", out widget);
+            widget.unparent();
+            pipeline.add(sink);
+            src.link(sink);
+            widget.visible = true;
+
+            pipeline.set_state(Gst.State.PLAYING);
+
+            sink.get_static_pad("sink").notify["caps"].connect(() => {
+                int width, height;
+                sink.get_static_pad("sink").caps.get_structure(0).get_int("width", out width);
+                sink.get_static_pad("sink").caps.get_structure(0).get_int("height", out height);
+                widget.width_request = width;
+                widget.height_request = height;
+            });
+
+            set_new_main_widget(widget);
+        }
+
+        private void set_new_main_widget(Widget widget) {
+            if (main_widget != null) overlay.remove(main_widget);
+            overlay.add(widget);
+            main_widget = widget;
+        }
+
+        public void set_status(string state) {
+            switch (state) {
+                case "requested":
+                    header_bar.subtitle = _("Calling…");
+                    break;
+                case "ringing":
+                    header_bar.subtitle = _("Ringing…");
+                    break;
+                case "establishing":
+                    header_bar.subtitle = _("Connecting…");
+                    break;
+                default:
+                    header_bar.subtitle = null;
+                    break;
+            }
+        }
+
+        public void show_counterpart_ended(string? reason_name, string? reason_text) {
+            hide_controll_elements = false;
+            reveal_control_elements();
+
+            string text = "";
+            if (reason_name == Xmpp.Xep.Jingle.ReasonElement.SUCCESS) {
+                text = _("%s ended the call").printf(counterpart_display_name);
+            } else if (reason_name == Xmpp.Xep.Jingle.ReasonElement.DECLINE || reason_name == Xmpp.Xep.Jingle.ReasonElement.BUSY) {
+                text = _("%s declined the call").printf(counterpart_display_name);
+            } else {
+                text = "The call has been terminated: " + (reason_name ?? "") + " " + (reason_text ?? "");
+            }
+
+            bottom_bar.show_counterpart_ended(text);
+        }
+
+        public bool reveal_control_elements() {
+            if (!bottom_bar_revealer.child_revealed) {
+                bottom_bar_revealer.set_reveal_child(true);
+                header_bar_revealer.set_reveal_child(true);
+            }
+
+            if (hide_controll_handler != 0) {
+                Source.remove(hide_controll_handler);
+                hide_controll_handler = 0;
+            }
+
+            if (!hide_controll_elements) {
+                return false;
+            }
+
+            hide_controll_handler = Timeout.add_seconds(3, () => {
+                if (!hide_controll_elements) {
+                    return false;
+                }
+
+                if (bottom_bar.is_menu_active()) {
+                    return true;
+                }
+
+                header_bar_revealer.set_reveal_child(false);
+                bottom_bar_revealer.set_reveal_child(false);
+                hide_controll_handler = 0;
+                return false;
+            });
+            return false;
+        }
+
+        private bool update_own_video_position() {
+            if (own_video == null) return false;
+
+            int width, height;
+            this.get_size(out width,out height);
+
+            own_video.margin_end = own_video.margin_bottom = own_video_border.margin_end = own_video_border.margin_bottom = 20;
+            own_video.margin_start = own_video_border.margin_start = width - own_video_width - 20;
+            own_video.margin_top = own_video_border.margin_top = height - own_video_height - 20;
+
+            return false;
+        }
+    }
+
+    /* Hack to make the CallHeaderBar feel like a HeaderBar (right click menu, double click, ..) although it isn't set as headerbar.
+     * OutsideHeaderBar is set as a headerbar and it doesn't take any space, but claims to take space (which is actually taken by CallHeaderBar).
+     */
+    public class OutsideHeaderBar : Gtk.Box {
+        HeaderBar header_bar;
+
+        public OutsideHeaderBar(HeaderBar header_bar) {
+            this.header_bar = header_bar;
+
+            size_allocate.connect_after(on_header_bar_size_allocate);
+            header_bar.size_allocate.connect(on_header_bar_size_allocate);
+        }
+
+        public void on_header_bar_size_allocate() {
+            Allocation header_bar_alloc;
+            header_bar.get_allocation(out header_bar_alloc);
+
+            Allocation alloc;
+            get_allocation(out alloc);
+            alloc.height = header_bar_alloc.height;
+            set_allocation(alloc);
+        }
+    }
+}
\ No newline at end of file
diff --git a/main/src/ui/call_window/call_window_controller.vala b/main/src/ui/call_window/call_window_controller.vala
new file mode 100644
index 00000000..b07b41b1
--- /dev/null
+++ b/main/src/ui/call_window/call_window_controller.vala
@@ -0,0 +1,254 @@
+using Dino.Entities;
+using Gtk;
+
+public class Dino.Ui.CallWindowController : Object {
+
+    private CallWindow call_window;
+    private Call call;
+    private Conversation conversation;
+    private StreamInteractor stream_interactor;
+    private Calls calls;
+    private Plugins.VideoCallPlugin call_plugin = Dino.Application.get_default().plugin_registry.video_call_plugin;
+
+    private Plugins.VideoCallWidget? own_video = null;
+    private Plugins.VideoCallWidget? counterpart_video = null;
+    private int window_height = -1;
+    private int window_width = -1;
+    private bool window_size_changed = false;
+
+    public CallWindowController(CallWindow call_window, Call call, StreamInteractor stream_interactor) {
+        this.call_window = call_window;
+        this.call = call;
+        this.stream_interactor = stream_interactor;
+
+        this.calls = stream_interactor.get_module(Calls.IDENTITY);
+        this.conversation = stream_interactor.get_module(ConversationManager.IDENTITY).get_conversation(call.counterpart.bare_jid, call.account, Conversation.Type.CHAT);
+        this.own_video = call_plugin.create_widget(Plugins.WidgetType.GTK);
+        this.counterpart_video = call_plugin.create_widget(Plugins.WidgetType.GTK);
+
+        call_window.counterpart_display_name = Util.get_conversation_display_name(stream_interactor, conversation);
+        call_window.set_default_size(704, 528); // 640x480 * 1.1
+        call_window.set_video_fallback(stream_interactor, conversation);
+
+        this.call_window.bottom_bar.video_enabled = calls.should_we_send_video(call);
+
+        if (call.direction == Call.DIRECTION_INCOMING) {
+            call_window.set_status("establishing");
+        } else {
+            call_window.set_status("requested");
+        }
+
+        call_window.bottom_bar.hang_up.connect(() => {
+            calls.end_call(conversation, call);
+            call_window.close();
+            call_window.destroy();
+            this.dispose();
+        });
+        call_window.destroy.connect(() => {
+            calls.end_call(conversation, call);
+            this.dispose();
+        });
+
+        call_window.bottom_bar.notify["audio-enabled"].connect(() => {
+            calls.mute_own_audio(call, !call_window.bottom_bar.audio_enabled);
+        });
+        call_window.bottom_bar.notify["video-enabled"].connect(() => {
+            calls.mute_own_video(call, !call_window.bottom_bar.video_enabled);
+            update_own_video();
+        });
+
+        calls.counterpart_sends_video_updated.connect((call, mute) => {
+            if (!this.call.equals(call)) return;
+
+            if (mute) {
+                call_window.set_video_fallback(stream_interactor, conversation);
+                counterpart_video.detach();
+            } else {
+                if (!(counterpart_video is Widget)) return;
+                Widget widget = (Widget) counterpart_video;
+                call_window.set_video(widget);
+                counterpart_video.display_stream(calls.get_video_stream(call));
+            }
+        });
+        calls.info_received.connect((call, session_info) => {
+            if (!this.call.equals(call)) return;
+            if (session_info == Xmpp.Xep.JingleRtp.CallSessionInfo.RINGING) {
+                call_window.set_status("ringing");
+            }
+        });
+        calls.encryption_updated.connect((call, audio_encryption, video_encryption, same) => {
+            if (!this.call.equals(call)) return;
+
+            string? title = null;
+            string? icon_name = null;
+            bool show_keys = true;
+            Plugins.Registry registry = Dino.Application.get_default().plugin_registry;
+            Plugins.CallEncryptionEntry? encryption_entry = audio_encryption != null ? registry.call_encryption_entries[audio_encryption.encryption_ns] : null;
+            if (encryption_entry != null) {
+                Plugins.CallEncryptionWidget? encryption_widgets = encryption_entry.get_widget(call.account, audio_encryption);
+                if (encryption_widgets != null) {
+                    title = encryption_widgets.get_title();
+                    icon_name = encryption_widgets.get_icon_name();
+                    show_keys = encryption_widgets.show_keys();
+                }
+            }
+            call_window.bottom_bar.encryption_button.set_info(title, show_keys, audio_encryption, same ? null :video_encryption);
+            call_window.bottom_bar.encryption_button.set_icon(audio_encryption != null, icon_name);
+        });
+
+        own_video.resolution_changed.connect((width, height) => {
+            if (width == 0 || height == 0) return;
+            call_window.set_own_video_ratio((int)width, (int)height);
+        });
+        counterpart_video.resolution_changed.connect((width, height) => {
+            if (window_size_changed) return;
+            if (width == 0 || height == 0) return;
+            if (width > height) {
+                call_window.resize(704, (int) (height * 704 / width));
+            } else {
+                call_window.resize((int) (width * 704 / height), 704);
+            }
+            capture_window_size();
+        });
+        call_window.configure_event.connect((event) => {
+            if (window_width == -1 || window_height == -1) return false;
+            int current_height = this.call_window.get_allocated_height();
+            int current_width = this.call_window.get_allocated_width();
+            if (window_width != current_width || window_height != current_height) {
+                debug("Call window size changed by user. Disabling auto window-to-video size adaptation. %i->%i x %i->%i", window_width, current_width, window_height, current_height);
+                window_size_changed = true;
+            }
+            return false;
+        });
+        call_window.realize.connect(() => {
+            capture_window_size();
+        });
+
+        call.notify["state"].connect(on_call_state_changed);
+        calls.call_terminated.connect(on_call_terminated);
+
+        update_own_video();
+    }
+
+    private void capture_window_size() {
+        Allocation allocation;
+        this.call_window.get_allocation(out allocation);
+        this.window_height = this.call_window.get_allocated_height();
+        this.window_width = this.call_window.get_allocated_width();
+    }
+
+    private void on_call_state_changed() {
+        if (call.state == Call.State.IN_PROGRESS) {
+            call_window.set_status("");
+            call_plugin.devices_changed.connect((media, incoming) => {
+                if (media == "audio") update_audio_device_choices();
+                if (media == "video") update_video_device_choices();
+            });
+
+            update_audio_device_choices();
+            update_video_device_choices();
+        }
+    }
+
+    private void on_call_terminated(Call call, string? reason_name, string? reason_text) {
+        call_window.show_counterpart_ended(reason_name, reason_text);
+        Timeout.add_seconds(3, () => {
+            call.notify["state"].disconnect(on_call_state_changed);
+            calls.call_terminated.disconnect(on_call_terminated);
+
+
+            call_window.close();
+            call_window.destroy();
+
+            return false;
+        });
+    }
+
+    private void update_audio_device_choices() {
+        if (call_plugin.get_devices("audio", true).size == 0 || call_plugin.get_devices("audio", false).size == 0) {
+            call_window.bottom_bar.show_audio_device_error();
+        } /*else if (call_plugin.get_devices("audio", true).size == 1 && call_plugin.get_devices("audio", false).size == 1) {
+            call_window.bottom_bar.show_audio_device_choices(false);
+            return;
+        }
+
+        AudioSettingsPopover? audio_settings_popover = call_window.bottom_bar.show_audio_device_choices(true);
+        update_current_audio_device(audio_settings_popover);
+
+        audio_settings_popover.microphone_selected.connect((device) => {
+            call_plugin.set_device(calls.get_audio_stream(call), device);
+            update_current_audio_device(audio_settings_popover);
+        });
+        audio_settings_popover.speaker_selected.connect((device) => {
+            call_plugin.set_device(calls.get_audio_stream(call), device);
+            update_current_audio_device(audio_settings_popover);
+        });
+        calls.stream_created.connect((call, media) => {
+            if (media == "audio") {
+                update_current_audio_device(audio_settings_popover);
+            }
+        });*/
+    }
+
+    private void update_current_audio_device(AudioSettingsPopover audio_settings_popover) {
+        Xmpp.Xep.JingleRtp.Stream stream = calls.get_audio_stream(call);
+        if (stream != null) {
+            audio_settings_popover.current_microphone_device = call_plugin.get_device(stream, false);
+            audio_settings_popover.current_speaker_device = call_plugin.get_device(stream, true);
+        }
+    }
+
+    private void update_video_device_choices() {
+        int device_count = call_plugin.get_devices("video", false).size;
+
+        if (device_count == 0) {
+            call_window.bottom_bar.show_video_device_error();
+        } /*else if (device_count == 1 || calls.get_video_stream(call) == null) {
+            call_window.bottom_bar.show_video_device_choices(false);
+            return;
+        }
+
+        VideoSettingsPopover? video_settings_popover = call_window.bottom_bar.show_video_device_choices(true);
+        update_current_video_device(video_settings_popover);
+
+        video_settings_popover.camera_selected.connect((device) => {
+            call_plugin.set_device(calls.get_video_stream(call), device);
+            update_current_video_device(video_settings_popover);
+            own_video.display_device(device);
+        });
+        calls.stream_created.connect((call, media) => {
+            if (media == "video") {
+                update_current_video_device(video_settings_popover);
+            }
+        });*/
+    }
+
+    private void update_current_video_device(VideoSettingsPopover video_settings_popover) {
+        Xmpp.Xep.JingleRtp.Stream stream = calls.get_video_stream(call);
+        if (stream != null) {
+            video_settings_popover.current_device = call_plugin.get_device(stream, false);
+        }
+    }
+
+    private void update_own_video() {
+        if (this.call_window.bottom_bar.video_enabled) {
+            Gee.List<Plugins.MediaDevice> devices = call_plugin.get_devices("video", false);
+            if (!(own_video is Widget) || devices.is_empty) {
+                call_window.set_own_video(null);
+            } else {
+                Widget widget = (Widget) own_video;
+                call_window.set_own_video(widget);
+                own_video.display_device(devices.first());
+            }
+        } else {
+            own_video.detach();
+            call_window.unset_own_video();
+        }
+    }
+
+    public override void dispose() {
+        base.dispose();
+        call.notify["state"].disconnect(on_call_state_changed);
+        calls.call_terminated.disconnect(on_call_terminated);
+    }
+}
\ No newline at end of file
diff --git a/main/src/ui/call_window/video_settings_popover.vala b/main/src/ui/call_window/video_settings_popover.vala
new file mode 100644
index 00000000..396c697c
--- /dev/null
+++ b/main/src/ui/call_window/video_settings_popover.vala
@@ -0,0 +1,73 @@
+using Gee;
+using Gtk;
+using Dino.Entities;
+
+public class Dino.Ui.VideoSettingsPopover : Gtk.Popover {
+
+    public signal void camera_selected(Plugins.MediaDevice device);
+
+    public Plugins.MediaDevice? current_device { get; set; }
+
+    private HashMap<ListBoxRow, Plugins.MediaDevice> row_device = new HashMap<ListBoxRow, Plugins.MediaDevice>();
+
+    public VideoSettingsPopover() {
+        Box box = new Box(Orientation.VERTICAL, 15) { margin=18, visible=true };
+        box.add(create_camera_box());
+
+        this.add(box);
+    }
+
+    private Widget create_camera_box() {
+        Plugins.VideoCallPlugin call_plugin = Dino.Application.get_default().plugin_registry.video_call_plugin;
+        Gee.List<Plugins.MediaDevice> devices = call_plugin.get_devices("video", false);
+
+        Box camera_box = new Box(Orientation.VERTICAL, 10) { visible=true };
+        camera_box.add(new Label("<b>" + _("Cameras") + "</b>") { use_markup=true, xalign=0, visible=true, can_focus=true /* grab initial focus*/ });
+
+        if (devices.size == 0) {
+            camera_box.add(new Label("No cameras found.") { visible=true });
+        } else {
+            ListBox list_box = new ListBox() { activate_on_single_click=true, selection_mode=SelectionMode.SINGLE, visible=true };
+            list_box.set_header_func(listbox_header_func);
+            Frame frame = new Frame(null) { visible=true };
+            frame.add(list_box);
+            foreach (Plugins.MediaDevice device in devices) {
+                Label label = new Label(device.display_name) { xalign=0, visible=true };
+                Image image = new Image.from_icon_name("object-select-symbolic", IconSize.BUTTON) { visible=true };
+                if (current_device == null || current_device.id != device.id) {
+                    image.opacity = 0;
+                }
+                this.notify["current-device"].connect(() => {
+                    if (current_device == null || current_device.id != device.id) {
+                        image.opacity = 0;
+                    } else {
+                        image.opacity = 1;
+                    }
+                });
+                Box device_box = new Box(Orientation.HORIZONTAL, 0) { spacing=7, margin=7, visible=true };
+                device_box.add(image);
+                device_box.add(label);
+                ListBoxRow list_box_row = new ListBoxRow() { visible=true };
+                list_box_row.add(device_box);
+                list_box.add(list_box_row);
+
+                row_device[list_box_row] = device;
+            }
+            list_box.row_activated.connect((row) => {
+                if (!row_device.has_key(row)) return;
+                camera_selected(row_device[row]);
+                list_box.unselect_row(row);
+            });
+            camera_box.add(frame);
+        }
+
+        return camera_box;
+    }
+
+    private void listbox_header_func(ListBoxRow row, ListBoxRow? before_row) {
+        if (row.get_header() == null && before_row != null) {
+            row.set_header(new Separator(Orientation.HORIZONTAL));
+        }
+    }
+
+}
\ No newline at end of file