path: root/minus-backgroundmanager.patch

--- src/wingpanel/src/PanelWindow.vala	2016-10-21 23:51:49.434036000 +0900
+++ src/wingpanel/src/PanelWindow.vala.new	2016-10-22 00:21:00.991151961 +0900
@@ -86,7 +86,6 @@
     private void on_realize () {
         update_panel_dimensions ();
 
-        Services.BackgroundManager.initialize (this.monitor_number, panel_height);
 
         timeout = Timeout.add (100 / panel_height, animation_step);
     }
@@ -152,7 +152,6 @@
 
     public void set_expanded (bool expanded) {
         if (expand && !this.expanded) {
-            Services.BackgroundManager.get_default ().remember_window ();
 
             this.expanded = true;
 
@@ -163,7 +163,6 @@
 
             this.set_size_request (monitor_width, monitor_height);
         } else if (!expand) {
-            Services.BackgroundManager.get_default ().restore_window ();
 
             this.expanded = false;
 
--- src/wingpanel/src/Widgets/Panel.vala	2016-10-22 00:14:45.485792472 +0900
+++ src/wingpanel/src/Widgets/Panel.vala.new	2016-10-22 00:15:13.386112571 +0900
@@ -25,7 +25,6 @@
     private MenuBar center_menubar;
 
     private Gtk.StyleContext style_context;
-    private Gtk.CssProvider? style_provider = null;
 
     public Panel (Services.PopoverManager popover_manager) {
         Object (popover_manager : popover_manager, orientation: Gtk.Orientation.HORIZONTAL);
@@ -60,7 +60,6 @@
 
         style_context = this.get_style_context ();
 
-        Services.BackgroundManager.get_default ().background_state_changed.connect (update_background);
     }
 
     private void add_indicator (Indicator indicator) {
@@ -228,55 +227,4 @@
         }
     }
 
-    private void update_background (Services.BackgroundState state, uint animation_duration) {
-        if (style_provider == null) {
-            style_provider = new Gtk.CssProvider ();
-            style_context.add_provider (style_provider, Gtk.STYLE_PROVIDER_PRIORITY_APPLICATION);
-        }
-
-        string css = """
-            .panel {
-                transition: all %ums ease-in-out;
-            }
-        """.printf (animation_duration);
-
-        try {
-            style_provider.load_from_data (css, css.length);
-        } catch (Error e) {
-            warning ("Parsing own style configuration failed: %s", e.message);
-        }
-
-        switch (state) {
-            case Services.BackgroundState.DARK :
-                style_context.add_class ("color-light");
-                style_context.remove_class ("color-dark");
-                style_context.remove_class ("maximized");
-                style_context.remove_class ("translucent");
-                break;
-            case Services.BackgroundState.LIGHT:
-                style_context.add_class ("color-dark");
-                style_context.remove_class ("color-light");
-                style_context.remove_class ("maximized");
-                style_context.remove_class ("translucent");
-                break;
-            case Services.BackgroundState.MAXIMIZED:
-                style_context.add_class ("maximized");
-                style_context.remove_class ("color-light");
-                style_context.remove_class ("color-dark");
-                style_context.remove_class ("translucent");
-                break;
-            case Services.BackgroundState.TRANSLUCENT_DARK:
-                style_context.add_class ("translucent");
-                style_context.add_class ("color-light");
-                style_context.remove_class ("color-dark");
-                style_context.remove_class ("maximized");
-                break;
-            case Services.BackgroundState.TRANSLUCENT_LIGHT:
-                style_context.add_class ("translucent");
-                style_context.add_class ("color-dark");
-                style_context.remove_class ("color-light");
-                style_context.remove_class ("maximized");
-                break;
-        }
-    }
 }
--- src/wingpanel/src/CMakeLists.txt	2017-10-13 03:28:23.119421691 +0900
+++ src/wingpanel/src/CMakeLists.txt.new	2017-10-13 03:30:12.838158479 +0900
@@ -10,7 +10,6 @@
   Services/IndicatorSorter.vala
   Services/PopoverManager.vala
   Services/Settings.vala
-  Services/BackgroundManager.vala
 )
 
 vala_precompile (CLIENT_VALA_C ${CMAKE_PROJECT_NAME}
--- src/wingpanel/wingpanel-interface/BackgroundManager.vala	2018-05-13 16:35:27.438070885 +0900
+++ /dev/null	2018-05-12 19:49:31.706719886 +0900
@@ -1,204 +0,0 @@
-/*
- * Copyright (c) 2011-2015 Wingpanel Developers (http://launchpad.net/wingpanel)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public
- * License along with this program; if not, write to the
- * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301 USA.
- */
-
-public enum BackgroundState {
-    LIGHT,
-    DARK,
-    MAXIMIZED,
-    TRANSLUCENT_DARK,
-    TRANSLUCENT_LIGHT
-}
-
-public class WingpanelInterface.BackgroundManager : Object {
-    private const int WALLPAPER_TRANSITION_DURATION = 150;
-    private const double ACUTANCE_THRESHOLD = 8;
-    private const double STD_THRESHOLD = 45;
-    private const double LUMINANCE_THRESHOLD = 180;
-
-    public signal void state_changed (BackgroundState state, uint animation_duration);
-
-    public int monitor { private get; construct; }
-    public int panel_height{ private get; construct; }
-
-    private ulong wallpaper_hook_id;
-
-    private Meta.Workspace? current_workspace = null;
-
-    private BackgroundState current_state = BackgroundState.LIGHT;
-    
-    private Utils.ColorInformation? bk_color_info = null;
-
-    public BackgroundManager (int monitor, int panel_height) {
-        Object (monitor : monitor, panel_height: panel_height);
-
-        connect_signals ();
-        update_bk_color_info.begin ((obj, res) => {
-            update_bk_color_info.end (res);
-            update_current_workspace ();
-        });
-    }
-
-    ~BackgroundManager () {
-        var signal_id = GLib.Signal.lookup ("changed", Main.wm.background_group.get_type ());
-        GLib.Signal.remove_emission_hook (signal_id, wallpaper_hook_id);
-    }
-
-    private void connect_signals () {
-        Main.screen.workspace_switched.connect (() => {
-            update_current_workspace ();
-        });
-
-        var signal_id = GLib.Signal.lookup ("changed", Main.wm.background_group.get_type ());
-
-        wallpaper_hook_id = GLib.Signal.add_emission_hook (signal_id, 0, (ihint, param_values) => {
-            update_bk_color_info.begin ((obj, res) => {
-                update_bk_color_info.end (res);
-                check_for_state_change (WALLPAPER_TRANSITION_DURATION);
-            });
-
-            return true;
-#if VALA_0_42
-        });
-#else
-        }, null);
-#endif
-    }
-
-    private void update_current_workspace () {
-        var workspace = Main.screen.get_workspace_by_index (Main.screen.get_active_workspace_index ());
-
-        if (workspace == null) {
-            warning ("Cannot get active workspace");
-
-            return;
-        }
-
-        if (current_workspace != null) {
-            current_workspace.window_added.disconnect (on_window_added);
-            current_workspace.window_removed.disconnect (on_window_removed);
-        }
-
-        current_workspace = workspace;
-
-        foreach (Meta.Window window in current_workspace.list_windows ()) {
-            if (window.is_on_primary_monitor ()) {
-                register_window (window);
-            }
-        }
-
-        current_workspace.window_added.connect (on_window_added);
-        current_workspace.window_removed.connect (on_window_removed);
-
-        check_for_state_change (AnimationSettings.get_default ().workspace_switch_duration);
-    }
-
-    private void register_window (Meta.Window window) {
-        window.notify["maximized-vertically"].connect (() => {
-            check_for_state_change (AnimationSettings.get_default ().snap_duration);
-        });
-
-        window.notify["minimized"].connect (() => {
-            check_for_state_change (AnimationSettings.get_default ().minimize_duration);
-        });
-    }
-
-    private void on_window_added (Meta.Window window) {
-        register_window (window);
-
-        check_for_state_change (AnimationSettings.get_default ().snap_duration);
-    }
-
-    private void on_window_removed (Meta.Window window) {
-        check_for_state_change (AnimationSettings.get_default ().snap_duration);
-    }
-
-    public async void update_bk_color_info () {
-        SourceFunc callback = update_bk_color_info.callback;
-        Gdk.Rectangle monitor_geometry;
-
-        Gdk.Screen.get_default ().get_monitor_geometry (monitor, out monitor_geometry);
-
-        Utils.get_background_color_information.begin (Main.wm, monitor, 0, 0, monitor_geometry.width, panel_height, (obj, res) => {
-            try {
-                bk_color_info = Utils.get_background_color_information.end (res);
-            } catch (Error e) {
-                warning (e.message);
-            } finally {
-                callback ();
-            }
-        });
-        
-        yield;
-    }
-
-    /**
-     * Check if Wingpanel's background state should change.
-     *
-     * The state is defined as follows:
-     *  - If there's a maximized window, the state should be MAXIMIZED;
-     *  - If no information about the background could be gathered, it should be TRANSLUCENT;
-     *  - If there's too much contrast or sharpness, it should be TRANSLUCENT;
-     *  - If the background is too bright, it should be DARK;
-     *  - Else it should be LIGHT.
-     */
-    private void check_for_state_change (uint animation_duration) {
-        bool has_maximized_window = false;
-
-        foreach (Meta.Window window in current_workspace.list_windows ()) {
-            if (window.get_monitor () == monitor) {
-                if (!window.minimized && window.maximized_vertically) {
-                    has_maximized_window = true;
-                    break;
-                }
-            }
-        }
-
-        BackgroundState new_state;
-
-        if (has_maximized_window) {
-            new_state = BackgroundState.MAXIMIZED;
-        } else if (bk_color_info == null) {
-            new_state = BackgroundState.TRANSLUCENT_LIGHT;
-        } else {
-            var luminance_std = Math.sqrt (bk_color_info.luminance_variance);
-
-            bool bg_is_busy = luminance_std > STD_THRESHOLD ||
-                (bk_color_info.mean_luminance < LUMINANCE_THRESHOLD &&
-                bk_color_info.mean_luminance + 1.645 * luminance_std > LUMINANCE_THRESHOLD ) ||
-                bk_color_info.mean_acutance > ACUTANCE_THRESHOLD;
-
-            bool bg_is_dark = bk_color_info.mean_luminance > LUMINANCE_THRESHOLD;
-            bool bg_is_busy_dark = bk_color_info.mean_luminance * 1.25 > LUMINANCE_THRESHOLD;
-
-            if (bg_is_busy && bg_is_busy_dark) {
-                new_state = BackgroundState.TRANSLUCENT_DARK;
-            } else if (bg_is_busy) {
-                new_state = BackgroundState.TRANSLUCENT_LIGHT;
-            } else if (bg_is_dark) {
-                new_state = BackgroundState.DARK;
-            } else {
-                new_state = BackgroundState.LIGHT;
-            } 
-        }
-
-        if (new_state != current_state) {
-            state_changed (current_state = new_state, animation_duration);
-        }
-    }
-}