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appIconIndicators.js
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const Cogl = imports.gi.Cogl;
const Cairo = imports.cairo;
const Clutter = imports.gi.Clutter;
const GdkPixbuf = imports.gi.GdkPixbuf
const Gio = imports.gi.Gio;
const Gtk = imports.gi.Gtk;
const Lang = imports.lang;
const Pango = imports.gi.Pango;
const Shell = imports.gi.Shell;
const St = imports.gi.St;
const Util = imports.misc.util;
const Me = imports.misc.extensionUtils.getCurrentExtension();
const Utils = Me.imports.utils;
let tracker = Shell.WindowTracker.get_default();
const RunningIndicatorStyle = {
DEFAULT: 0,
DOTS: 1,
SQUARES: 2,
DASHES: 3,
SEGMENTED: 4,
SOLID: 5,
CILIORA: 6,
METRO: 7
};
const MAX_WINDOWS_CLASSES = 4;
/*
* This is the main indicator class to be used. The desired bahviour is
* obtained by composing the desired classes below based on the settings.
*
*/
var AppIconIndicator = new Lang.Class({
Name: 'DashToDock.AppIconIndicator',
_init: function(source, settings) {
this._indicators = [];
// Unity indicators always enabled for now
let unityIndicator = new UnityIndicator(source, settings);
this._indicators.push(unityIndicator);
// Choose the style for the running indicators
let runningIndicator = null;
let runningIndicatorStyle;
if (settings.get_boolean('apply-custom-theme' )) {
runningIndicatorStyle = RunningIndicatorStyle.DOTS;
} else {
runningIndicatorStyle = settings.get_enum('running-indicator-style');
}
switch (runningIndicatorStyle) {
case RunningIndicatorStyle.DEFAULT:
runningIndicator = new RunningIndicatorDefault(source, settings);
break;
case RunningIndicatorStyle.DOTS:
runningIndicator = new RunningIndicatorDots(source, settings);
break;
case RunningIndicatorStyle.SQUARES:
runningIndicator = new RunningIndicatorSquares(source, settings);
break;
case RunningIndicatorStyle.DASHES:
runningIndicator = new RunningIndicatorDashes(source, settings);
break;
case RunningIndicatorStyle.SEGMENTED:
runningIndicator = new RunningIndicatorSegmented(source, settings);
break;
case RunningIndicatorStyle.SOLID:
runningIndicator = new RunningIndicatorSolid(source, settings);
break;
case RunningIndicatorStyle.CILIORA:
runningIndicator = new RunningIndicatorCiliora(source, settings);
break;
case RunningIndicatorStyle.METRO:
runningIndicator = new RunningIndicatorMetro(source, settings);
break;
default:
runningIndicator = new RunningIndicatorBase(source, settings);
}
this._indicators.push(runningIndicator);
},
update: function() {
for (let i=0; i<this._indicators.length; i++){
let indicator = this._indicators[i];
indicator.update();
}
},
destroy: function() {
for (let i=0; i<this._indicators.length; i++){
let indicator = this._indicators[i];
indicator.destroy();
}
}
});
/*
* Base class to be inherited by all indicators of any kind
*/
const IndicatorBase = new Lang.Class({
Name: 'DashToDock.IndicatorBase',
_init: function(source, settings) {
this._settings = settings;
this._source = source;
this._signalsHandler = new Utils.GlobalSignalsHandler();
this._sourceDestroyId = this._source.actor.connect('destroy',
Lang.bind(this._signalsHandler, this._signalsHandler.destroy)
);
},
update: function() {
},
destroy: function() {
this._source.actor.disconnect(this._sourceDestroyId);
this._signalsHandler.destroy();
}
});
/*
* A base indicator class for running style, from which all other EunningIndicators should derive,
* providing some basic methods, variables definitions and their update, css style classes handling.
*
*/
const RunningIndicatorBase = new Lang.Class({
Name: 'DashToDock.RunningIndicatorBase',
Extends: IndicatorBase,
_init: function(source, settings) {
this.parent(source, settings)
this._side = Utils.getPosition(this._settings);
this._nWindows = 0;
this._dominantColorExtractor = new DominantColorExtractor(this._source.app);
// These statuses take into account the workspace/monitor isolation
this._isFocused = false;
this._isRunning = false;
},
update: function() {
// Limit to 1 to MAX_WINDOWS_CLASSES windows classes
this._nWindows = Math.min(this._source.getInterestingWindows().length, MAX_WINDOWS_CLASSES);
// We need to check the number of windows, as the focus might be
// happening on another monitor if using isolation
if (tracker.focus_app == this._source.app && this._nWindows > 0)
this._isFocused = true;
else
this._isFocused = false;
// In the case of workspace isolation, we need to hide the dots of apps with
// no windows in the current workspace
if (this._source.app.state != Shell.AppState.STOPPED && this._nWindows > 0)
this._isRunning = true;
else
this._isRunning = false;
this._updateCounterClass();
this._updateFocusClass();
this._updateDefaultDot();
},
_updateCounterClass: function() {
for (let i = 1; i <= MAX_WINDOWS_CLASSES; i++) {
let className = 'running' + i;
if (i != this._nWindows)
this._source.actor.remove_style_class_name(className);
else
this._source.actor.add_style_class_name(className);
}
},
_updateFocusClass: function() {
if (this._isFocused)
this._source.actor.add_style_class_name('focused');
else
this._source.actor.remove_style_class_name('focused');
},
_updateDefaultDot: function() {
if (this._isRunning)
this._source._dot.show();
else
this._source._dot.hide();
},
_hideDefaultDot: function() {
// I use opacity to hide the default dot because the show/hide function
// are used by the parent class.
this._source._dot.opacity = 0;
},
_restoreDefaultDot: function() {
this._source._dot.opacity = 255;
},
_enableBacklight: function() {
let colorPalette = this._dominantColorExtractor._getColorPalette();
// Fallback
if (colorPalette === null) {
this._source._iconContainer.set_style(
'border-radius: 5px;' +
'background-gradient-direction: vertical;' +
'background-gradient-start: #e0e0e0;' +
'background-gradient-end: darkgray;'
);
return;
}
this._source._iconContainer.set_style(
'border-radius: 5px;' +
'background-gradient-direction: vertical;' +
'background-gradient-start: ' + colorPalette.original + ';' +
'background-gradient-end: ' + colorPalette.darker + ';'
);
},
_disableBacklight: function() {
this._source._iconContainer.set_style(null);
},
destroy: function() {
this.parent();
this._disableBacklight();
// Remove glossy background if the children still exists
if (this._source._iconContainer.get_children().length > 1)
this._source._iconContainer.get_children()[1].set_style(null);
this._restoreDefaultDot();
}
});
// We add a css class so third parties themes can limit their indicaor customization
// to the case we do nothing
const RunningIndicatorDefault = new Lang.Class({
Name: 'DashToDock.RunningIndicatorDefault',
Extends: RunningIndicatorBase,
_init: function(source, settings) {
this.parent(source, settings);
this._source.actor.add_style_class_name('default');
},
destroy: function() {
this.parent();
this._source.actor.remove_style_class_name('default');
}
});
const RunningIndicatorDots = new Lang.Class({
Name: 'DashToDock.RunningIndicatorDots',
Extends: RunningIndicatorBase,
_init: function(source, settings) {
this.parent(source, settings)
this._hideDefaultDot();
this._area = new St.DrawingArea({x_expand: true, y_expand: true});
// We draw for the bottom case and rotate the canvas for other placements
//set center of rotatoins to the center
this._area.set_pivot_point(0.5, 0.5);
// prepare transformation matrix
let m = new Cogl.Matrix();
m.init_identity();
switch (this._side) {
case St.Side.TOP:
m.xx = -1;
m.rotate(180, 0, 0, 1);
break
case St.Side.BOTTOM:
// nothing
break;
case St.Side.LEFT:
m.yy = -1;
m.rotate(90, 0, 0, 1);
break;
case St.Side.RIGHT:
m.rotate(-90, 0, 0, 1);
break
}
this._area.set_transform(m);
this._area.connect('repaint', Lang.bind(this, this._updateIndicator));
this._source._iconContainer.add_child(this._area);
let keys = ['custom-theme-running-dots-color',
'custom-theme-running-dots-border-color',
'custom-theme-running-dots-border-width',
'custom-theme-customize-running-dots',
'unity-backlit-items',
'running-indicator-dominant-color'];
keys.forEach(function(key) {
this._signalsHandler.add([
this._settings,
'changed::' + key,
Lang.bind(this, this.update)
]);
}, this);
// Apply glossy background
// TODO: move to enable/disableBacklit to apply itonly to the running apps?
// TODO: move to css class for theming support
let path = imports.misc.extensionUtils.getCurrentExtension().path;
this._glossyBackgroundStyle = 'background-image: url(\'' + path + '/media/glossy.svg\');' +
'background-size: contain;';
},
update: function() {
this.parent();
// Enable / Disable the backlight of running apps
if (!this._settings.get_boolean('apply-custom-theme') && this._settings.get_boolean('unity-backlit-items')) {
this._source._iconContainer.get_children()[1].set_style(this._glossyBackgroundStyle);
if (this._isRunning)
this._enableBacklight();
else
this._disableBacklight();
} else {
this._disableBacklight();
this._source._iconContainer.get_children()[1].set_style(null);
}
if (this._area)
this._area.queue_repaint();
},
_computeStyle: function() {
let [width, height] = this._area.get_surface_size();
this._width = height;
this._height = width;
// By defaut re-use the style - background color, and border width and color -
// of the default dot
let themeNode = this._source._dot.get_theme_node();
this._borderColor = themeNode.get_border_color(this._side);
this._borderWidth = themeNode.get_border_width(this._side);
this._bodyColor = themeNode.get_background_color();
if (!this._settings.get_boolean('apply-custom-theme')) {
// Adjust for the backlit case
if (this._settings.get_boolean('unity-backlit-items')) {
// Use dominant color for dots too if the backlit is enables
let colorPalette = this._dominantColorExtractor._getColorPalette();
// Slightly adjust the styling
this._borderWidth = 2;
if (colorPalette !== null) {
this._borderColor = Clutter.color_from_string(colorPalette.lighter)[1] ;
this._bodyColor = Clutter.color_from_string(colorPalette.darker)[1];
} else {
// Fallback
this._borderColor = Clutter.color_from_string('white')[1];
this._bodyColor = Clutter.color_from_string('gray')[1];
}
}
// Apply dominant color if requested
if (this._settings.get_boolean('running-indicator-dominant-color')) {
let colorPalette = this._dominantColorExtractor._getColorPalette();
if (colorPalette !== null) {
this._bodyColor = Clutter.color_from_string(colorPalette.original)[1];
}
}
// Finally, use customize style if requested
if (this._settings.get_boolean('custom-theme-customize-running-dots')) {
this._borderColor = Clutter.color_from_string(this._settings.get_string('custom-theme-running-dots-border-color'))[1];
this._borderWidth = this._settings.get_int('custom-theme-running-dots-border-width');
this._bodyColor = Clutter.color_from_string(this._settings.get_string('custom-theme-running-dots-color'))[1];
}
}
// Define the radius as an arbitrary size, but keep large enough to account
// for the drawing of the border.
this._radius = Math.max(this._width/22, this._borderWidth/2);
this._padding = 0; // distance from the margin
this._spacing = this._radius + this._borderWidth; // separation between the dots
},
_updateIndicator: function() {
let area = this._area;
let cr = this._area.get_context();
this._computeStyle();
this._drawIndicator(cr);
cr.$dispose();
},
_drawIndicator: function(cr) {
// Draw the required numbers of dots
let n = this._nWindows;
cr.setLineWidth(this._borderWidth);
Clutter.cairo_set_source_color(cr, this._borderColor);
// draw for the bottom case:
cr.translate((this._width - (2*n)*this._radius - (n-1)*this._spacing)/2, this._height - this._padding);
for (let i = 0; i < n; i++) {
cr.newSubPath();
cr.arc((2*i+1)*this._radius + i*this._spacing, -this._radius - this._borderWidth/2, this._radius, 0, 2*Math.PI);
}
cr.strokePreserve();
Clutter.cairo_set_source_color(cr, this._bodyColor);
cr.fill();
},
destroy: function() {
this.parent();
this._area.destroy();
}
});
// Adapted from dash-to-panel by Jason DeRose
// https://github.com/jderose9/dash-to-panel
const RunningIndicatorCiliora = new Lang.Class({
Name: 'DashToDock.RunningIndicatorCiliora',
Extends: RunningIndicatorDots,
_drawIndicator: function(cr) {
if (this._isRunning) {
let size = Math.max(this._width/20, this._borderWidth);
let spacing = size; // separation between the dots
let lineLength = this._width - (size*(this._nWindows-1)) - (spacing*(this._nWindows-1));
let padding = this._borderWidth;
// For the backlit case here we don't want the outer border visible
if (this._settings.get_boolean('unity-backlit-items') && !this._settings.get_boolean('custom-theme-customize-running-dots'))
padding = 0;
let yOffset = this._height - padding - size;
cr.setLineWidth(this._borderWidth);
Clutter.cairo_set_source_color(cr, this._borderColor);
cr.translate(0, yOffset);
cr.newSubPath();
cr.rectangle(0, 0, lineLength, size);
for (let i = 1; i < this._nWindows; i++) {
cr.newSubPath();
cr.rectangle(lineLength + (i*spacing) + ((i-1)*size), 0, size, size);
}
cr.strokePreserve();
Clutter.cairo_set_source_color(cr, this._bodyColor);
cr.fill();
}
}
});
// Adapted from dash-to-panel by Jason DeRose
// https://github.com/jderose9/dash-to-panel
const RunningIndicatorSegmented = new Lang.Class({
Name: 'DashToDock.RunningIndicatorSegmented',
Extends: RunningIndicatorDots,
_drawIndicator: function(cr) {
if (this._isRunning) {
let size = Math.max(this._width/20, this._borderWidth);
let spacing = Math.ceil(this._width/18); // separation between the dots
let dashLength = Math.ceil((this._width - ((this._nWindows-1)*spacing))/this._nWindows);
let lineLength = this._width - (size*(this._nWindows-1)) - (spacing*(this._nWindows-1));
let padding = this._borderWidth;
// For the backlit case here we don't want the outer border visible
if (this._settings.get_boolean('unity-backlit-items') && !this._settings.get_boolean('custom-theme-customize-running-dots'))
padding = 0;
let yOffset = this._height - padding - size;
cr.setLineWidth(this._borderWidth);
Clutter.cairo_set_source_color(cr, this._borderColor);
cr.translate(0, yOffset);
for (let i = 0; i < this._nWindows; i++) {
cr.newSubPath();
cr.rectangle(i*dashLength + i*spacing, 0, dashLength, size);
}
cr.strokePreserve();
Clutter.cairo_set_source_color(cr, this._bodyColor);
cr.fill()
}
}
});
// Adapted from dash-to-panel by Jason DeRose
// https://github.com/jderose9/dash-to-panel
const RunningIndicatorSolid = new Lang.Class({
Name: 'DashToDock.RunningIndicatorSolid',
Extends: RunningIndicatorDots,
_drawIndicator: function(cr) {
if (this._isRunning) {
let size = Math.max(this._width/20, this._borderWidth);
let padding = this._borderWidth;
// For the backlit case here we don't want the outer border visible
if (this._settings.get_boolean('unity-backlit-items') && !this._settings.get_boolean('custom-theme-customize-running-dots'))
padding = 0;
let yOffset = this._height - padding - size;
cr.setLineWidth(this._borderWidth);
Clutter.cairo_set_source_color(cr, this._borderColor);
cr.translate(0, yOffset);
cr.newSubPath();
cr.rectangle(0, 0, this._width, size);
cr.strokePreserve();
Clutter.cairo_set_source_color(cr, this._bodyColor);
cr.fill();
}
}
});
// Adapted from dash-to-panel by Jason DeRose
// https://github.com/jderose9/dash-to-panel
const RunningIndicatorSquares = new Lang.Class({
Name: 'DashToDock.RunningIndicatorSquares',
Extends: RunningIndicatorDots,
_drawIndicator: function(cr) {
if (this._isRunning) {
let size = Math.max(this._width/11, this._borderWidth);
let padding = this._borderWidth;
let spacing = Math.ceil(this._width/18); // separation between the dots
let yOffset = this._height - padding - size;
cr.setLineWidth(this._borderWidth);
Clutter.cairo_set_source_color(cr, this._borderColor);
cr.translate(Math.floor((this._width - this._nWindows*size - (this._nWindows-1)*spacing)/2), yOffset);
for (let i = 0; i < this._nWindows; i++) {
cr.newSubPath();
cr.rectangle(i*size + i*spacing, 0, size, size);
}
cr.strokePreserve();
Clutter.cairo_set_source_color(cr, this._bodyColor);
cr.fill();
}
}
});
// Adapted from dash-to-panel by Jason DeRose
// https://github.com/jderose9/dash-to-panel
const RunningIndicatorDashes = new Lang.Class({
Name: 'DashToDock.RunningIndicatorDashes',
Extends: RunningIndicatorDots,
_drawIndicator: function(cr) {
if (this._isRunning) {
let size = Math.max(this._width/20, this._borderWidth);
let padding = this._borderWidth;
let spacing = Math.ceil(this._width/18); // separation between the dots
let dashLength = Math.floor(this._width/4) - spacing;
let yOffset = this._height - padding - size;
cr.setLineWidth(this._borderWidth);
Clutter.cairo_set_source_color(cr, this._borderColor);
cr.translate(Math.floor((this._width - this._nWindows*dashLength - (this._nWindows-1)*spacing)/2), yOffset);
for (let i = 0; i < this._nWindows; i++) {
cr.newSubPath();
cr.rectangle(i*dashLength + i*spacing, 0, dashLength, size);
}
cr.strokePreserve();
Clutter.cairo_set_source_color(cr, this._bodyColor);
cr.fill();
}
}
});
// Adapted from dash-to-panel by Jason DeRose
// https://github.com/jderose9/dash-to-panel
const RunningIndicatorMetro = new Lang.Class({
Name: 'DashToDock.RunningIndicatorMetro',
Extends: RunningIndicatorDots,
_init: function(source, settings) {
this.parent(source, settings);
this._source.actor.add_style_class_name('metro');
},
_drawIndicator: function(cr) {
if (this._isRunning) {
let size = Math.max(this._width/20, this._borderWidth);
let padding = 0;
// For the backlit case here we don't want the outer border visible
if (this._settings.get_boolean('unity-backlit-items') && !this._settings.get_boolean('custom-theme-customize-running-dots'))
padding = 0;
let yOffset = this._height - padding - size;
let n = this._nWindows;
if(n <= 1) {
cr.translate(0, yOffset);
Clutter.cairo_set_source_color(cr, this._bodyColor);
cr.newSubPath();
cr.rectangle(0, 0, this._width, size);
cr.fill();
} else {
let blackenedLength = (1/48)*this._width; // need to scale with the SVG for the stacked highlight
let darkenedLength = this._isFocused ? (2/48)*this._width : (10/48)*this._width;
let blackenedColor = this._bodyColor.shade(.3);
let darkenedColor = this._bodyColor.shade(.7);
cr.translate(0, yOffset);
Clutter.cairo_set_source_color(cr, this._bodyColor);
cr.newSubPath();
cr.rectangle(0, 0, this._width - darkenedLength - blackenedLength, size);
cr.fill();
Clutter.cairo_set_source_color(cr, blackenedColor);
cr.newSubPath();
cr.rectangle(this._width - darkenedLength - blackenedLength, 0, 1, size);
cr.fill();
Clutter.cairo_set_source_color(cr, darkenedColor);
cr.newSubPath();
cr.rectangle(this._width - darkenedLength, 0, darkenedLength, size);
cr.fill();
}
}
},
destroy: function() {
this.parent();
this._source.actor.remove_style_class_name('metro');
}
});
/*
* Unity like notification and progress indicators
*/
const UnityIndicator = new Lang.Class({
Name: 'DashToDock.UnityIndicator',
Extends: IndicatorBase,
_init: function(source, settings) {
this.parent(source, settings);
this._notificationBadgeLabel = new St.Label();
this._notificationBadgeBin = new St.Bin({
child: this._notificationBadgeLabel,
x_align: St.Align.END, y_align: St.Align.START,
x_expand: true, y_expand: true
});
this._notificationBadgeLabel.add_style_class_name('notification-badge');
this._notificationBadgeCount = 0;
this._notificationBadgeBin.hide();
this._source._iconContainer.add_child(this._notificationBadgeBin);
this._source._iconContainer.connect('allocation-changed', Lang.bind(this, this.updateNotificationBadge));
this._remoteEntries = [];
this._source.remoteModel.lookupById(this._source.app.id).forEach(
Lang.bind(this, function(entry) {
this.insertEntryRemote(entry);
})
);
this._signalsHandler.add([
this._source.remoteModel,
'entry-added',
Lang.bind(this, this._onLauncherEntryRemoteAdded)
], [
this._source.remoteModel,
'entry-removed',
Lang.bind(this, this._onLauncherEntryRemoteRemoved)
])
},
_onLauncherEntryRemoteAdded: function(remoteModel, entry) {
if (!entry || !entry.appId())
return;
if (this._source && this._source.app && this._source.app.id == entry.appId()) {
this.insertEntryRemote(entry);
}
},
_onLauncherEntryRemoteRemoved: function(remoteModel, entry) {
if (!entry || !entry.appId())
return;
if (this._source && this._source.app && this._source.app.id == entry.appId()) {
this.removeEntryRemote(entry);
}
},
updateNotificationBadge: function() {
let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
let [minWidth, natWidth] = this._source._iconContainer.get_preferred_width(-1);
let logicalNatWidth = natWidth / scaleFactor;
let font_size = Math.max(10, Math.round(logicalNatWidth / 5));
let margin_left = Math.round(logicalNatWidth / 4);
this._notificationBadgeLabel.set_style(
'font-size: ' + font_size + 'px;' +
'margin-left: ' + margin_left + 'px;'
);
this._notificationBadgeBin.width = Math.round(logicalNatWidth - margin_left);
this._notificationBadgeLabel.clutter_text.ellipsize = Pango.EllipsizeMode.MIDDLE;
},
_notificationBadgeCountToText: function(count) {
if (count <= 9999) {
return count.toString();
} else if (count < 1e5) {
let thousands = count / 1e3;
return thousands.toFixed(1).toString() + "k";
} else if (count < 1e6) {
let thousands = count / 1e3;
return thousands.toFixed(0).toString() + "k";
} else if (count < 1e8) {
let millions = count / 1e6;
return millions.toFixed(1).toString() + "M";
} else if (count < 1e9) {
let millions = count / 1e6;
return millions.toFixed(0).toString() + "M";
} else {
let billions = count / 1e9;
return billions.toFixed(1).toString() + "B";
}
},
setNotificationBadge: function(count) {
this._notificationBadgeCount = count;
let text = this._notificationBadgeCountToText(count);
this._notificationBadgeLabel.set_text(text);
},
toggleNotificationBadge: function(activate) {
if (activate && this._notificationBadgeCount > 0) {
this.updateNotificationBadge();
this._notificationBadgeBin.show();
}
else
this._notificationBadgeBin.hide();
},
_showProgressOverlay: function() {
if (this._progressOverlayArea) {
this._updateProgressOverlay();
return;
}
this._progressOverlayArea = new St.DrawingArea({x_expand: true, y_expand: true});
this._progressOverlayArea.connect('repaint', Lang.bind(this, function() {
this._drawProgressOverlay(this._progressOverlayArea);
}));
this._source._iconContainer.add_child(this._progressOverlayArea);
this._updateProgressOverlay();
},
_hideProgressOverlay: function() {
if (this._progressOverlayArea)
this._progressOverlayArea.destroy();
this._progressOverlayArea = null;
},
_updateProgressOverlay: function() {
if (this._progressOverlayArea)
this._progressOverlayArea.queue_repaint();
},
_drawProgressOverlay: function(area) {
let scaleFactor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
let [surfaceWidth, surfaceHeight] = area.get_surface_size();
let cr = area.get_context();
let iconSize = this._source.icon.iconSize * scaleFactor;
let x = Math.floor((surfaceWidth - iconSize) / 2);
let y = Math.floor((surfaceHeight - iconSize) / 2);
let lineWidth = Math.floor(1.0 * scaleFactor);
let padding = Math.floor(iconSize * 0.05);
let width = iconSize - 2.0*padding;
let height = Math.floor(Math.min(18.0*scaleFactor, 0.20*iconSize));
x += padding;
y += iconSize - height - padding;
cr.setLineWidth(lineWidth);
// Draw the outer stroke
let stroke = new Cairo.LinearGradient(0, y, 0, y + height);
let fill = null;
stroke.addColorStopRGBA(0.5, 0.5, 0.5, 0.5, 0.1);
stroke.addColorStopRGBA(0.9, 0.8, 0.8, 0.8, 0.4);
Utils.drawRoundedLine(cr, x + lineWidth/2.0, y + lineWidth/2.0, width, height, true, true, stroke, fill);
// Draw the background
x += lineWidth;
y += lineWidth;
width -= 2.0*lineWidth;
height -= 2.0*lineWidth;
stroke = Cairo.SolidPattern.createRGBA(0.20, 0.20, 0.20, 0.9);
fill = new Cairo.LinearGradient(0, y, 0, y + height);
fill.addColorStopRGBA(0.4, 0.25, 0.25, 0.25, 1.0);
fill.addColorStopRGBA(0.9, 0.35, 0.35, 0.35, 1.0);
Utils.drawRoundedLine(cr, x + lineWidth/2.0, y + lineWidth/2.0, width, height, true, true, stroke, fill);
// Draw the finished bar
x += lineWidth;
y += lineWidth;
width -= 2.0*lineWidth;
height -= 2.0*lineWidth;
let finishedWidth = Math.ceil(this._progress * width);
stroke = Cairo.SolidPattern.createRGBA(0.8, 0.8, 0.8, 1.0);
fill = Cairo.SolidPattern.createRGBA(0.9, 0.9, 0.9, 1.0);
if (Clutter.get_default_text_direction() == Clutter.TextDirection.RTL)
Utils.drawRoundedLine(cr, x + lineWidth/2.0 + width - finishedWidth, y + lineWidth/2.0, finishedWidth, height, true, true, stroke, fill);
else
Utils.drawRoundedLine(cr, x + lineWidth/2.0, y + lineWidth/2.0, finishedWidth, height, true, true, stroke, fill);
cr.$dispose();
},
setProgress: function(progress) {
this._progress = Math.min(Math.max(progress, 0.0), 1.0);
this._updateProgressOverlay();
},
toggleProgressOverlay: function(activate) {
if (activate) {
this._showProgressOverlay();
}
else {
this._hideProgressOverlay();
}
},
insertEntryRemote: function(remote) {
if (!remote || this._remoteEntries.indexOf(remote) !== -1)
return;
this._remoteEntries.push(remote);
this._selectEntryRemote(remote);
},
removeEntryRemote: function(remote) {
if (!remote || this._remoteEntries.indexOf(remote) == -1)
return;
this._remoteEntries.splice(this._remoteEntries.indexOf(remote), 1);
if (this._remoteEntries.length > 0) {
this._selectEntryRemote(this._remoteEntries[this._remoteEntries.length-1]);
} else {
this.setNotificationBadge(0);
this.toggleNotificationBadge(false);
this.setProgress(0);
this.toggleProgressOverlay(false);
}
},
_selectEntryRemote: function(remote) {
if (!remote)
return;
this._signalsHandler.removeWithLabel('entry-remotes');
this._signalsHandler.addWithLabel('entry-remotes',
[
remote,
'count-changed',
Lang.bind(this, (remote, value) => {
this.setNotificationBadge(value);
})
], [
remote,
'count-visible-changed',
Lang.bind(this, (remote, value) => {
this.toggleNotificationBadge(value);
})
], [
remote,
'progress-changed',
Lang.bind(this, (remote, value) => {
this.setProgress(value);
})
], [
remote,
'progress-visible-changed',
Lang.bind(this, (remote, value) => {
this.toggleProgressOverlay(value);
})
]);
this.setNotificationBadge(remote.count());
this.toggleNotificationBadge(remote.countVisible());
this.setProgress(remote.progress());
this.toggleProgressOverlay(remote.progressVisible());
}
});
// We need an icons theme object, this is the only way I managed to get
// pixel buffers that can be used for calculating the backlight color
let themeLoader = null;
// Global icon cache. Used for Unity7 styling.
let iconCacheMap = new Map();
// Max number of items to store
// We don't expect to ever reach this number, but let's put an hard limit to avoid
// even the remote possibility of the cached items to grow indefinitely.
const MAX_CACHED_ITEMS = 1000;
// When the size exceed it, the oldest 'n' ones are deleted
const BATCH_SIZE_TO_DELETE = 50;
// The icon size used to extract the dominant color
const DOMINANT_COLOR_ICON_SIZE = 64;
// Compute dominant color frim the app icon.
// The color is cached for efficiency.
const DominantColorExtractor = new Lang.Class({
Name: 'DashToDock.DominantColorExtractor',
_init: function(app) {
this._app = app;
},
/**
* Try to get the pixel buffer for the current icon, if not fail gracefully
*/
_getIconPixBuf: function() {
let iconTexture = this._app.create_icon_texture(16);
if (themeLoader === null) {
let ifaceSettings = new Gio.Settings({ schema: "org.gnome.desktop.interface" });
themeLoader = new Gtk.IconTheme(),
themeLoader.set_custom_theme(ifaceSettings.get_string('icon-theme')); // Make sure the correct theme is loaded
}
// Unable to load the icon texture, use fallback
if (iconTexture instanceof St.Icon === false) {
return null;
}
iconTexture = iconTexture.get_gicon();
// Unable to load the icon texture, use fallback
if (iconTexture === null) {
return null;
}
if (iconTexture instanceof Gio.FileIcon) {