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extension.js
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extension.js
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// Bing Wallpaper GNOME extension
// Copyright (C) 2017-2023 Michael Carroll
// This extension is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// See the GNU General Public License, version 3 or later for details.
// Based on GNOME shell extension NASA APOD by Elia Argentieri https://github.com/Elinvention/gnome-shell-extension-nasa-apod
import St from 'gi://St';
import Soup from 'gi://Soup';
import Gio from 'gi://Gio';
import GObject from 'gi://GObject';
import GLib from 'gi://GLib';
import Clutter from 'gi://Clutter';
import Cogl from 'gi://Cogl';
import * as Main from 'resource:///org/gnome/shell/ui/main.js';
import * as MessageTray from 'resource:///org/gnome/shell/ui/messageTray.js';
import {Button} from 'resource:///org/gnome/shell/ui/panelMenu.js';
import * as PopupMenu from 'resource:///org/gnome/shell/ui/popupMenu.js';
import * as Config from 'resource:///org/gnome/shell/misc/config.js';
import {Extension, gettext as _} from 'resource:///org/gnome/shell/extensions/extension.js';
import * as Utils from './utils.js';
import Blur from './blur.js';
import Thumbnail from './thumbnail.js';
import BWClipboard from './BWClipboard.js';
const BingImageURL = Utils.BingImageURL;
const BingURL = 'https://www.bing.com';
const IndicatorName = 'BingWallpaperIndicator';
const TIMEOUT_SECONDS = 24 * 3600; // FIXME: this should use the end data from the json data
const TIMEOUT_SECONDS_ON_HTTP_ERROR = 1 * 3600; // retry in one hour if there is a http error3
const MINIMUM_SHUFFLE_IMAGES = 3; // bare minimum to use filtered image set in shuffle mode
const ICON_PREVIOUS_BUTTON = 'media-seek-backward-symbolic';
const ICON_NEXT_BUTTON = 'media-seek-forward-symbolic';
const ICON_CURRENT_BUTTON = 'media-skip-forward-symbolic';
let bingWallpaperIndicator = null;
let blur = null;
const newMenuItem = (label) => {
return new PopupMenu.PopupMenuItem(label);
}
const newMenuSwitchItem = (label, state) => {
let switchItem = new PopupMenu.PopupSwitchMenuItem(
label,
state,
{});
switchItem.label.x_expand = true;
switchItem._statusBin.x_expand = false;
return switchItem;
}
function log(msg) {
if (BingDebug())
console.log('BingWallpaper extension: ' + msg); // disable to keep the noise down in journal
}
function BingDebug() {
if (bingWallpaperIndicator && bingWallpaperIndicator._settings.get_boolean('debug-logging'))
return true;
return false;
}
function notifyError(msg) {
Main.notifyError("BingWallpaper extension error", msg);
}
function doSetBackground(uri, schema) {
let gsettings = new Gio.Settings({schema: schema});
let prev = gsettings.get_string('picture-uri');
uri = 'file://' + uri;
gsettings.set_string('picture-uri', uri);
try {
gsettings.set_string('picture-uri-dark', uri);
}
catch (e) {
log("unable to set dark background for : " + e);
}
Gio.Settings.sync();
gsettings.apply();
return (prev != uri); // return true if background uri has changed
}
const BingWallpaperIndicator = GObject.registerClass(
class BingWallpaperIndicator extends Button {
_init(ext) {
super._init(0, IndicatorName, false);
this.title = "";
this.explanation = "";
this.filename = "";
this.copyright = "";
this.version = "0.1";
this._updatePending = false;
this._timeout = null;
this._shuffleTimeout = null;
this.longstartdate = null;
this.imageURL = ""; // link to image itself
this.imageinfolink = ""; // link to Bing photo info page
this.refreshdue = 0;
this.shuffledue = 0;
this.refreshduetext = "";
this.thumbnail = null;
this.thumbnailItem = null;
this.selected_image = "current";
this.clipboard = new BWClipboard();
this.imageIndex = null;
this.logger = null;
this.favourite_status = false;
this.hidden_status = false;
this.dimensions = { 'width': null, 'height': null};
this._extension = ext;
let extensionIconsPath = ext.dir.get_child('icons').get_path();
this.ICON_RANDOM = extensionIconsPath + '/'+'game-die-symbolic.svg';
this.ICON_FAVE_BUTTON = extensionIconsPath + '/'+'fav-symbolic.svg';
this.ICON_UNFAVE_BUTTON = extensionIconsPath + '/'+'unfav-symbolic.svg';
this.ICON_TRASH_BUTTON = extensionIconsPath + '/'+'trash-empty-symbolic.svg';
this.ICON_UNTRASH_BUTTON = extensionIconsPath + '/'+'trash-full-symbolic.svg';
if (!blur) // as Blur isn't disabled on screen lock (like the rest of the extension is)
blur = new Blur();
// take a variety of actions when the gsettings values are modified by prefs
this._settings = this._extension.getSettings();
// create Soup session
this._initSoup();
this.visible = !this._settings.get_boolean('hide');
this.refreshDueItem = newMenuItem(_("<No refresh scheduled>"));
this.explainItem = newMenuItem(_("Awaiting refresh..."));
this.copyrightItem = newMenuItem(_("Awaiting refresh..."));
this.clipboardImageItem = newMenuItem(_("Copy image to clipboard"));
this.clipboardURLItem = newMenuItem(_("Copy image URL to clipboard"));
this.folderItem = newMenuItem(_("Open image folder"));
this.dwallpaperItem = newMenuItem(_("Set background image"));
this.swallpaperItem = newMenuItem(_("Set lock screen image"));
this.refreshItem = newMenuItem(_("Refresh Now"));
this.settingsItem = newMenuItem(_("Settings"));
this.openImageItem = newMenuItem(_("Open in image viewer"));
this.openImageInfoLinkItem = newMenuItem(_("Open Bing image information page"));
this.imageResolutionItem = newMenuItem(_("Awaiting refresh..."));
this.titleItem = new PopupMenu.PopupSubMenuMenuItem(_("Awaiting refresh..."), false);
[this.imageResolutionItem, this.openImageInfoLinkItem, this.openImageItem, this.folderItem,
this.clipboardImageItem, this.clipboardURLItem, this.dwallpaperItem]
.forEach(e => this.titleItem.menu.addMenuItem(e));
// quick settings submenu
this.settingsSubMenu = new PopupMenu.PopupSubMenuMenuItem(_("Quick settings"), false);
// toggles under the quick settings submenu
this.toggleSetBackground = newMenuSwitchItem(_("Set background image"), this._settings.get_boolean('set-background'));
this.toggleSelectNew = newMenuSwitchItem(_("Always show new images"), this._settings.get_boolean('revert-to-current-image'));
this.toggleShuffle = newMenuSwitchItem(_("Image shuffle mode"), true);
this.toggleShuffleOnlyFaves = newMenuSwitchItem(_("Image shuffle only favorites"), this._settings.get_boolean('random-mode-include-only-favourites'));
/*this.toggleNotifications = newMenuSwitchItem(_("Enable desktop notifications"), this._settings.get_boolean('notify'));*/
this.toggleImageCount = newMenuSwitchItem(_("Show image count"), this._settings.get_boolean('show-count-in-image-title'));
this.toggleShuffleOnlyUHD = newMenuSwitchItem(_("Image shuffle only UHD resolutions"), this._settings.get_boolean('random-mode-include-only-uhd'));
[/*this.toggleNotifications, this.toggleImageCount, this.toggleSetBackground,*/ this.toggleSelectNew,
this.toggleShuffle, this.toggleShuffleOnlyFaves, this.toggleShuffleOnlyUHD]
.forEach(e => this.settingsSubMenu.menu.addMenuItem(e));
// these items are a bit unique, we'll populate them in _setControls()
this.controlItem = newMenuItem("");
this.thumbnailItem = new PopupMenu.PopupBaseMenuItem({ style_class: 'wp-thumbnail-image'});
this._setControls(); // build the button bar
// we need to word-wrap these menu items to not overflow menu in case of long lines of text
[this.refreshDueItem, this.titleItem, this.explainItem, this.copyrightItem]
.forEach((e, i) => {
this._wrapLabelItem(e);
});
// set the order of menu items (including separators)
let allMenuItems = [
this.refreshItem,
this.refreshDueItem,
new PopupMenu.PopupSeparatorMenuItem(),
this.controlItem,
new PopupMenu.PopupSeparatorMenuItem(),
this.explainItem,
this.thumbnailItem,
this.titleItem,
this.copyrightItem,
new PopupMenu.PopupSeparatorMenuItem(),
this.settingsSubMenu,
this.settingsItem
];
allMenuItems.forEach(e => this.menu.addMenuItem(e));
// non clickable information items
[this.explainItem, this.copyrightItem, this.refreshDueItem, this.thumbnailItem, this.imageResolutionItem]
.forEach((e) => {
e.setSensitive(false);
});
if (this._settings.get_boolean('random-mode-enabled')) {
[this.toggleShuffleOnlyFaves, this.toggleShuffleOnlyUHD]
.forEach((e) => {
e.setSensitive(false);
});
}
this._setConnections();
if (this._settings.get_string('state') != '[]') { // setting state on reset or initial boot
this._reStoreState();
}
else {
this._restartTimeout(60); // wait 60 seconds before performing refresh
}
}
// create Soup session
_initSoup() {
this.httpSession = new Soup.Session();
this.httpSession.user_agent = 'User-Agent: Mozilla/5.0 (X11; GNOME Shell/' + Config.PACKAGE_VERSION + '; Linux x86_64; +https://github.com/neffo/bing-wallpaper-gnome-extension ) BingWallpaper Gnome Extension/' + this._extension.metadata.version;
}
// listen for configuration changes
_setConnections() {
this.settings_connections = [];
this.settings_connections.push(
this._settings.connect('changed::hide', () => {
this.visible = !this._settings.get_boolean('hide');
})
);
let settingConnections = [
{signal: 'changed::icon-name', call: this._setIcon},
{signal: 'changed::market', call: this._refresh},
{signal: 'changed::set-background', call: this._setBackground},
{signal: 'changed::override-lockscreen-blur', call: this._setBlur},
{signal: 'changed::lockscreen-blur-strength', call: this._setBlur},
{signal: 'changed::lockscreen-blur-brightness', call: this._setBlur},
{signal: 'changed::selected-image', call: this._setImage},
{signal: 'changed::delete-previous', call: this._cleanUpImages},
{signal: 'changed::notify', call: this._notifyCurrentImage},
{signal: 'changed::always-export-bing-json', call: this._exportData},
{signal: 'changed::bing-json', call: this._exportData},
{signal: 'changed::controls-icon-size', call: this._setControls},
{signal: 'changed::random-mode-enabled', call: this._randomModeChanged},
{signal: 'changed::random-mode-include-only-favourites', call: this._randomModeChanged},
{signal: 'changed::random-mode-include-only-unhidden', call: this._randomModeChanged},
{signal: 'changed::random-mode-include-only-uhd', call: this._randomModeChanged},
{signal: 'changed::random-interval-mode', call: this._randomModeChanged}
];
// _setShuffleToggleState
settingConnections.forEach((e) => {
this.settings_connections.push(
this._settings.connect(e.signal, e.call.bind(this))
);
});
// ensure we're in a sensible initial state
this._setIcon();
this._setBlur();
this._setImage();
this._cleanUpImages();
// menu connections
this.connect('button-press-event', this._openMenu.bind(this));
// link menu items to functions
//this.thumbnailItem.connect('activate', this._setBackgroundDesktop.bind(this));
this.thumbnailItem.connect('activate', this._openInSystemViewer.bind(this));
this.openImageItem.connect('activate', this._openInSystemViewer.bind(this));
//this.titleItem.connect('activate', this._setBackgroundDesktop.bind(this));
this.openImageInfoLinkItem.connect('activate', this._openImageInfoLink.bind(this));
this.dwallpaperItem.connect('activate', this._setBackgroundDesktop.bind(this));
this.refreshItem.connect('activate', this._refresh.bind(this));
this.settingsItem.connect('activate', this._openPrefs.bind(this));
// unfortunately we can't bind toggles trivially like we can with prefs.js here, so we handle toggles in two steps
// first, we listen for changes to these toggle settings and update the status
// & then, link settings to toggle state (the other way)
let toggles = [ /*{key: 'set-background', toggle: this.toggleSetBackground},*/
{key: 'revert-to-current-image', toggle: this.toggleSelectNew},
/*{key: 'notify', toggle: this.toggleNotifications},
{key: 'show-count-in-image-title', toggle: this.toggleImageCount},*/
{key: 'random-mode-enabled', toggle: this.toggleShuffle},
{key: 'random-mode-include-only-favourites', toggle: this.toggleShuffleOnlyFaves},
/*{key: 'random-mode-include-only-unhidden', toggle: this.toggleShuffleOnlyUnhidden},*/
{key: 'random-mode-include-only-uhd', toggle: this.toggleShuffleOnlyUHD}];
toggles.forEach( (e) => {
this.settings_connections.push(
this._settings.connect('changed::'+e.key, () => {
log(e.key+' setting changed to '+ (this._settings.get_boolean(e.key)?'true':'false'));
e.toggle.setToggleState(this._settings.get_boolean(e.key));
})
);
e.toggle.connect('toggled', (item, state) => {
log(e.key+' switch toggled to '+ (state?'true':'false'));
this._setBooleanSetting(e.key, state);
});
});
this.folderItem.connect('activate', Utils.openImageFolder.bind(this, this._settings));
if (this.clipboard.clipboard) { // only if we have a clipboard
this.clipboardImageItem.connect('activate', this._copyImageToClipboard.bind(this));
this.clipboardURLItem.connect('activate', this._copyURLToClipboard.bind(this));
}
else {
[this.clipboardImageItem, this.clipboardURLItem].
forEach(e => e.setSensitive(false));
}
}
_setBooleanSetting(key, state) {
let success = this._settings.set_boolean(key, state);
log('key '+key+' set to ' + (state?'true':'false') + ' (returned ' + (success?'true':'false')+')');
}
_setStringSetting(key, value) {
let success = this._settings.set_string(key, value);
log('key '+key+' set to ' + value + ' (returned ' + (success?'true':'false')+')');
}
_setIntSetting(key, value) {
let success = this._settings.set_int(key, value);
log('key '+key+' set to ' + value + ' (returned ' + (success?'true':'false')+')');
}
_onDestroy() {
this._unsetConnections();
}
_unsetConnections() {
this.settings_connections.forEach((e) => {
this._settings.disconnect(e);
});
}
_openPrefs() {
this._extension.openPreferences();
}
_openMenu() {
// Grey out menu items if an update is pending
this.refreshItem.setSensitive(!this._updatePending);
this.clipboardImageItem.setSensitive(!this._updatePending && this.imageURL != "");
this.clipboardURLItem.setSensitive(!this._updatePending && this.imageURL != "");
this.thumbnailItem.setSensitive(!this._updatePending && this.imageURL != "");
this.dwallpaperItem.setSensitive(!this._updatePending && this.filename != "");
this.swallpaperItem.setSensitive(!this._updatePending && this.filename != "");
this.titleItem.setSensitive(!this._updatePending && this.imageinfolink != "");
let maxlongdate = Utils.getMaxLongDate(this._settings);
this.refreshduetext =
_("Next refresh") + ": " + (this.refreshdue ? this.refreshdue.format("%Y-%m-%d %X") : '-') +
" (" + Utils.friendly_time_diff(this.refreshdue) + ")\n" +
_("Last refresh") + ": " + (maxlongdate? this._localeDate(maxlongdate, true) : '-');
// also show when shuffle is next due
if (this._settings.get_boolean('random-mode-enabled')) {
this.refreshduetext += "\n" + _("Next shuffle")+": " +
(this.shuffledue ? this.shuffledue.format("%Y-%m-%d %X") : '-') +
" (" + Utils.friendly_time_diff(this.shuffledue) + ")";
}
this.refreshDueItem.label.set_text(this.refreshduetext);
}
_setBlur() {
blur._switch(this._settings.get_boolean('override-lockscreen-blur'));
blur.set_blur_strength(this._settings.get_int('lockscreen-blur-strength'));
blur.set_blur_brightness(this._settings.get_int('lockscreen-blur-brightness'));
}
_setImage() {
Utils.validate_imagename(this._settings);
this.selected_image = this._settings.get_string('selected-image');
log('selected image changed to: ' + this.selected_image);
this._selectImage();
//this._setShuffleToggleState();
}
_notifyCurrentImage() {
if (this._settings.get_boolean('notify')) {
let image = this._getCurrentImage();
if (image) {
this._createImageNotification(image);
}
}
}
// set indicator icon (tray icon)
_setIcon() {
Utils.validate_icon(this._settings, this._extension.path);
let icon_name = this._settings.get_string('icon-name');
let gicon = Gio.icon_new_for_string(this._extension.dir.get_child('icons').get_path() + '/' + icon_name + '.svg');
this.icon = new St.Icon({gicon: gicon, style_class: 'system-status-icon'});
log('Replace icon set to: ' + icon_name);
this.remove_all_children();
this.add_child(this.icon);
}
// set backgrounds as requested and set preview image in menu
_setBackground() {
if (this.filename == '')
return;
this.thumbnail = new Thumbnail(this.filename, St.ThemeContext.get_for_stage(global.stage).scale_factor); // use scale factor to make them look nicer
this._setThumbnailImage();
if (!this.dimensions.width || !this.dimensions.height) // if dimensions aren't in image database yet
[this.dimensions.width, this.dimensions.height] = Utils.getFileDimensions(this.filename);
log('image set to : '+this.filename);
if (this._settings.get_boolean('set-background'))
this._setBackgroundDesktop();
}
_setBackgroundDesktop() {
doSetBackground(this.filename, Utils.DESKTOP_SCHEMA);
}
_copyURLToClipboard() {
this.clipboard.setText(this.imageURL);
}
_copyImageToClipboard() {
this.clipboard.setImage(this.filename);
}
// set a timer on when the current image is going to expire
_restartTimeoutFromLongDate(longdate) {
// all Bing times are in UTC (+0)
let refreshDue = Utils.dateFromLongDate(longdate, 86400).to_local();
let now = GLib.DateTime.new_now_local();
let difference = refreshDue.difference(now) / 1000000;
if (difference < 60 || difference > 86400) // clamp to a reasonable range
difference = 60;
difference = difference + 300; // 5 minute fudge offset in case of inaccurate local clock
log('Next refresh due ' + difference + ' seconds from now');
this._restartTimeout(difference);
}
// alternative shuffle mode, not yet enabled
_restartShuffleTimeoutFromDueDate(duedate) {
let now = GLib.DateTime.new_now_local();
let difference = duedate.difference(now) / 1000000;
if (difference < 60 || difference > 86400) // clamp to a reasonable range
difference = 60;
log('Next shuffle due ' + difference + ' seconds from now');
this._restartShuffleTimeout(difference);
}
// convert longdate format into human friendly format
_localeDate(longdate, include_time = false) {
try {
let date = Utils.dateFromLongDate(longdate, 300); // date at update
return date.to_local().format('%Y-%m-%d' + (include_time? ' %X' : '')); // ISO 8601 - https://xkcd.com/1179/
}
catch (e) {
return 'none';
}
}
// set menu text in lieu of a notification/popup
_setMenuText() {
this.titleItem.label.set_text(this.title ? this.title : '');
this.copyrightItem.label.set_text(this.copyright ? this.copyright : '');
this.imageResolutionItem.label.set_text(this.dimensions.width+'px x '+this.dimensions.height+'px');
if (this._settings.get_boolean('show-count-in-image-title') && this.explanation) {
let imageList = JSON.parse(this._settings.get_string('bing-json'));
if (imageList.length > 0)
this.explainItem.label.set_text( this.explanation + ' [' + (this.imageIndex + 1) + '/' + imageList.length + ']');
}
else {
this.explainItem.label.set_text(this.explanation ? this.explanation : '');
}
this._setFavouriteIcon(this.favourite_status?this.ICON_FAVE_BUTTON:this.ICON_UNFAVE_BUTTON);
this._setTrashIcon(this.hidden_status?this.ICON_UNTRASH_BUTTON:this.ICON_TRASH_BUTTON);
}
_wrapLabelItem(menuItem) {
let clutter_text = menuItem.label.get_clutter_text();
clutter_text.set_line_wrap(true);
clutter_text.set_ellipsize(0);
clutter_text.set_max_length(0);
menuItem.label.set_style('max-width: 420px;');
}
_setControls() {
this.favouriteBtn = this._newMenuIcon(
this.favourite_status?this.ICON_FAVE_BUTTON:this.ICON_UNFAVE_BUTTON,
this.controlItem,
this._favouriteImage);
this.trashBtn = this._newMenuIcon(
this.hidden_status?this.ICON_UNTRASH_BUTTON:this.ICON_TRASH_BUTTON,
this.controlItem,
this._trashImage);
this.prevBtn = this._newMenuIcon(
ICON_PREVIOUS_BUTTON,
this.controlItem,
this._prevImage);
this.nextBtn = this._newMenuIcon(
ICON_NEXT_BUTTON,
this.controlItem,
this._nextImage);
this.curBtn = this._newMenuIcon(
ICON_CURRENT_BUTTON,
this.controlItem,
this._curImage);
this.randomizeBtn = this._newMenuIcon(
this.ICON_RANDOM,
this.controlItem,
this._selectImage,
null, true);
}
_newMenuIcon(icon_name, parent, fn, position = null, arg = null) {
let gicon = Gio.icon_new_for_string(icon_name);
let icon = new St.Icon({
/*icon_name: icon_name,*/
gicon: gicon,
style_class: 'popup-menu-icon',
x_expand: true,
y_expand: true,
icon_size: this._settings.get_int('controls-icon-size')
});
let iconBtn = new St.Button({
style_class: 'ci-action-btn',
can_focus: true,
child: icon,
/* x_align: Clutter.ActorAlign.END, // FIXME: errors on GNOME 3.28, default to center is ok */
x_expand: true,
y_expand: true
});
if (position !== null) {
parent.insert_child_at_index(iconBtn, position);
}
else {
parent.add_child(iconBtn);
}
iconBtn.connect('button-press-event', fn.bind(this, arg));
return iconBtn;
}
// set menu thumbnail
_setThumbnailImage() {
let pixbuf = this.thumbnail.pixbuf;
let scale_factor = St.ThemeContext.get_for_stage(global.stage).scale_factor;
if (pixbuf == null)
return;
const {width, height} = pixbuf;
if (height == 0) {
return;
}
const image = new Clutter.Image();
const success = image.set_data(
pixbuf.get_pixels(),
pixbuf.get_has_alpha() ? Cogl.PixelFormat.RGBA_8888 : Cogl.PixelFormat.RGB_888,
width,
height,
pixbuf.get_rowstride()
);
if (!success) {
throw Error("error creating Clutter.Image()");
}
this.thumbnailItem.hexpand = false;
this.thumbnailItem.vexpand = false;
this.thumbnailItem.content = image;
log('scale factor: ' + scale_factor);
this.thumbnailItem.set_size(480*scale_factor, 270*scale_factor);
this.thumbnailItem.setSensitive(true);
}
_nextImage() {
this._gotoImage(1);
}
_prevImage() {
this._gotoImage(-1);
}
_curImage() {
this._setStringSetting('selected-image', 'current');
this._gotoImage(0);
}
_randomModeChanged() {
let randomEnabled = this._settings.get_boolean('random-mode-enabled');
Utils.validate_interval(this._settings);
[this.toggleShuffleOnlyFaves, this.toggleShuffleOnlyUHD /*, this.toggleShuffleOnlyUnhidden*/]
.forEach( x => {
x.setSensitive(randomEnabled);
});
if (randomEnabled) {
log('enabled shuffle mode, by setting a shuffe timer (5 seconds)');
this._restartShuffleTimeout(5);
this._setBooleanSetting('revert-to-current-image', false);
}
else {
// clear shuffle timer
if (this._shuffleTimeout)
GLib.source_remove(this._shuffleTimeout);
this._setBooleanSetting('revert-to-current-image', true);
}
}
_favouriteImage() {
log('favourite image '+this.imageURL+' status was '+this.favourite_status);
this.favourite_status = !this.favourite_status;
Utils.setImageFavouriteStatus(this._settings, this.imageURL, this.favourite_status);
this._setFavouriteIcon(this.favourite_status?this.ICON_FAVE_BUTTON:this.ICON_UNFAVE_BUTTON);
}
_trashImage() {
log('trash image '+this.imageURL+' status was '+this.hidden_status);
this.hidden_status = !this.hidden_status;
Utils.setImageHiddenStatus(this._settings, this.imageURL, this.hidden_status);
this._setTrashIcon(this.hidden_status?this.ICON_UNTRASH_BUTTON:this.ICON_TRASH_BUTTON);
if (this._settings.get_boolean('trash-deletes-images')) {
log('image to be deleted: '+this.filename);
Utils.deleteImage(this.filename);
Utils.validate_imagename(this._settings);
}
}
_setFavouriteIcon(icon_name) {
let gicon = Gio.icon_new_for_string(icon_name);
this.favouriteBtn.get_children().forEach( (x, i) => {
x.set_gicon(gicon);
});
}
_setTrashIcon(icon_name) {
let gicon = Gio.icon_new_for_string(icon_name);
this.trashBtn.get_children().forEach( (x, i) => {
x.set_gicon(gicon);
});
}
_gotoImage(relativePos) {
let imageList = Utils.getImageList(this._settings);
let curIndex = 0;
if (this.selected_image == 'current') {
curIndex = Utils.getCurrentImageIndex(imageList);
}
else {
curIndex = Utils.imageIndex(imageList, this.selected_image);
}
let newImage = Utils.getImageByIndex(imageList, curIndex + relativePos);
if (newImage)
this._setStringSetting('selected-image', newImage.urlbase.replace('/th?id=OHR.', ''));
}
_getCurrentImage() {
let imageList = Utils.getImageList(this._settings);
let curIndex = Utils.getCurrentImageIndex(imageList);
return Utils.getImageByIndex(imageList, curIndex);
}
// download Bing metadata
_refresh() {
if (this._updatePending)
return;
this._updatePending = true;
this._restartTimeout();
let market = this._settings.get_string('market');
// Soup3 should be the version used, but in the past some distros have packaged older versions only
if (Soup.MAJOR_VERSION >= 3) {
let url = BingImageURL;
let params = Utils.BingParams;
params['mkt'] = ( market != 'auto' ? market : '' );
// if we've set previous days to be something less than 8 and
// delete previous is active we want to just request a subset of wallpapers
if (this._settings.get_boolean('delete-previous') == true && this._settings.get_int('previous-days')<8) {
params['n'] = ""+this._settings.get_int('previous-days');
}
let request = Soup.Message.new_from_encoded_form('GET', url, Soup.form_encode_hash(params));
request.request_headers.append('Accept', 'application/json');
try {
this.httpSession.send_and_read_async(request, GLib.PRIORITY_DEFAULT, null, (httpSession, message) => {
this._processMessageRefresh(message);
});
}
catch(error) {
log('unable to send libsoup json message '+error);
notifyError('Unable to fetch Bing metadata\n'+error);
}
}
else {
let url = BingImageURL + '?format=js&idx=0&n=8&mbl=1&mkt=' + (market != 'auto' ? market : '');
let request = Soup.Message.new('GET', url);
request.request_headers.append('Accept', 'application/json');
// queue the http request
try {
this.httpSession.queue_message(request, (httpSession, message) => {
this._processMessageRefresh(message);
});
}
catch (error) {
log('unable to send libsoup json message '+error);
notifyError('Unable to fetch Bing metadata\n'+error);
}
}
}
_processMessageRefresh(message) {
const decoder = new TextDecoder();
try {
let data = (Soup.MAJOR_VERSION >= 3) ?
decoder.decode(this.httpSession.send_and_read_finish(message).get_data()): // Soup3
message.response_body.data; // Soup 2
log('Recieved ' + data.length + ' bytes');
this._parseData(data);
if (!this._settings.get_boolean('random-mode-enabled'))
this._selectImage();
}
catch (error) {
log('Network error occured: ' + error);
notifyError('network error occured\n'+error);
this._updatePending = false;
this._restartTimeout(TIMEOUT_SECONDS_ON_HTTP_ERROR);
}
}
// sets a timer for next refresh of Bing metadata
_restartTimeout(seconds = null) {
if (this._timeout)
GLib.source_remove(this._timeout);
if (seconds == null)
seconds = TIMEOUT_SECONDS;
this._timeout = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, seconds, this._refresh.bind(this));
this.refreshdue = GLib.DateTime.new_now_local().add_seconds(seconds);
log('next check in ' + seconds + ' seconds');
}
_restartShuffleTimeout(seconds = null) {
log('_restartShuffleTimeout('+seconds+')');
//console.trace();
if (this._shuffleTimeout)
GLib.source_remove(this._shuffleTimeout);
if (seconds == null) {
let diff = -Math.floor(GLib.DateTime.new_now_local().difference(this.shuffledue)/1000000);
log('shuffle ('+this.shuffledue.format_iso8601()+') diff = '+diff);
if (diff > 30) { // on occasions the above will be 1 second
seconds = diff; // if not specified, we should maintain the existing shuffle timeout (i.e. we just restored from saved state)
}
else if (this._settings.get_string('random-interval-mode') != 'custom') {
let random_mode = this._settings.get_string('random-interval-mode');
seconds = Utils.seconds_until(random_mode); // else we shuffle at specified interval (midnight default)
log('shuffle mode = '+random_mode+' = '+seconds+' from now');
}
else {
seconds = this._settings.get_int('random-interval'); // or whatever the user has specified (as a timer)
}
}
this._shuffleTimeout = GLib.timeout_add_seconds(GLib.PRIORITY_DEFAULT, seconds, this._selectImage.bind(this, true));
this.shuffledue = GLib.DateTime.new_now_local().add_seconds(seconds);
log('next shuffle in ' + seconds + ' seconds');
}
// auto export Bing data to JSON file if requested
_exportData() {
if (this._settings.get_boolean('always-export-bing-json')) { // save copy of current JSON
Utils.exportBingJSON(this._settings);
}
}
// process Bing metadata
_parseData(data) {
try {
let parsed = JSON.parse(data);
let datamarket = parsed.market.mkt;
let prefmarket = this._settings.get_string('market');
let newImages = Utils.mergeImageLists(this._settings, parsed.images);
if (datamarket != prefmarket && prefmarket != 'auto')
log('WARNING: Bing returning market data for ' + datamarket + ' rather than selected ' + prefmarket);
Utils.purgeImages(this._settings); // delete older images if enabled
//Utils.cleanupImageList(this._settings); // merged into purgeImages
this._downloadAllImages(); // fetch missing images that are still available
Utils.populateImageListResolutions(this._settings);
if (newImages.length > 0 && this._settings.get_boolean('revert-to-current-image')) {
// user wants to switch to the new image when it arrives
this._setStringSetting('selected-image', 'current');
}
if (this._settings.get_boolean('notify')) {
if (!this._settings.get_boolean('notify-only-latest')) {
// notify all new images
newImages.forEach((image) => {
log('New image to notify: ' + Utils.getImageTitle(image));
this._createImageNotification(image);
});
}
else {
// notify only the most recent image
let last = newImages.pop();
if (last) {
log('New image to notify: ' + Utils.getImageTitle(last));
this._createImageNotification(last);
}
}
}
this._restartTimeoutFromLongDate(parsed.images[0].fullstartdate); // timing is set by Bing, and possibly varies by market
this._updatePending = false;
}
catch (error) {
log('_parseData() failed with error ' + error + ' @ '+error.lineNumber);
notifyError('Bing metadata parsing error check ' + error + ' @ '+error.lineNumber);
log(error.stack);
}
}
_cleanUpImages() {
if (this._settings.get_boolean('delete-previous')) {
Utils.purgeImages(this._settings);
}
}
_createImageNotification(image) {
let msg = _('Bing Wallpaper of the Day for') + ' ' + this._localeDate(image.fullstartdate);
let details = Utils.getImageTitle(image);
this._createNotification(msg, details);
log('_createImageNotification: '+msg+' details: '+details);
}
_createNotification(msg, details) {
const systemSource = MessageTray.getSystemSource();
const bingNotify = new MessageTray.Notification({
source: systemSource,
title: msg,
body: details,
gicon: new Gio.ThemedIcon({name: 'image-x-generic'}),
iconName: 'image-x-generic',
});
systemSource.addNotification(bingNotify);
//Main.notify(msg, details);
log('_createNotification: '+msg+' details: '+details);
}
_shuffleImage() {
let image = null;
let imageList = Utils.getImageList(this._settings);
let filter = { 'faves': this._settings.get_boolean('random-mode-include-only-favourites'),
'hidden': this._settings.get_boolean('random-mode-include-only-unhidden'),
'min_height': this._settings.get_boolean('random-mode-include-only-uhd')?this._settings.get_int('min-uhd-height'):false
};
let favImageList = Utils.getImageList(this._settings, filter);
if (favImageList.length >= MINIMUM_SHUFFLE_IMAGES) { // we have the minimum images to shuffle, if not fall back to shuffle all iamges
imageList = favImageList;
}
else {
log('not enough filtered images available to shuffle');
}
// shuffle could fail for a number of reasons
try {
this.imageIndex = Utils.getRandomInt(imageList.length);
image = imageList[this.imageIndex];
log('shuffled to image '+image.urlbase);
return image;
}
catch (e) {
log('shuffle failed '+e);
return null;
}
}
_selectImage(force_shuffle = false) {
let imageList = Utils.getImageList(this._settings);
let image = null;
// special values, 'current' is most recent (default mode), 'random' picks one at random, anything else should be filename
if (force_shuffle) {
log('forcing shuffle of image')
image = this._shuffleImage();
if (this._settings.get_boolean('random-mode-enabled'))
this._restartShuffleTimeout();
}
if (!image) {
if (this.selected_image == 'current') {
image = Utils.getCurrentImage(imageList);
this.imageIndex = Utils.getCurrentImageIndex(imageList);
} else {
image = Utils.inImageList(imageList, this.selected_image);
if (!image) // if we didn't find it, try for current
image = Utils.getCurrentImage(imageList);
if (image)
this.imageIndex = Utils.imageIndex(imageList, image.urlbase);
log('_selectImage: ' + this.selected_image + ' = ' + (image && image.urlbase) ? image.urlbase : 'not found');
}
}
if (!image)
return; // could force, image = imageList[0] or perhaps force refresh
if (image.url != '') {
let resolution = Utils.getResolution(this._settings, image);
let BingWallpaperDir = Utils.getWallpaperDir(this._settings);
// set current image details at extension scope
this.title = image.copyright.replace(/\s*[\(\（].*?[\)\）]\s*/g, '');
this.explanation = _('Bing Wallpaper of the Day for') + ' ' + this._localeDate(image.startdate);
this.copyright = image.copyright.match(/[\(\（]([^)]+)[\)\）]/)[1].replace('\*\*', ''); // Japan locale uses （） rather than ()
this.longstartdate = image.fullstartdate;
this.imageinfolink = image.copyrightlink.replace(/^http:\/\//i, 'https://');
this.imageURL = BingURL + image.urlbase + '_' + resolution + '.jpg'+'&qlt=100'; // generate image url for user's resolution @ high quality
this.filename = Utils.toFilename(BingWallpaperDir, image.startdate, image.urlbase, resolution);
this.dimensions.width = image.width?image.width:null;
this.dimensions.height = image.height?image.height:null;
this.selected_image = Utils.getImageUrlBase(image);
this._setStringSetting('selected-image', this.selected_image);
if (("favourite" in image) && image.favourite === true ) {
this.favourite_status = true;
}
else {
this.favourite_status = false;
}
if (("hidden" in image) && image.hidden === true ) {
this.hidden_status = true;
}
else {
this.hidden_status = false;
}
let file = Gio.file_new_for_path(this.filename);
let file_exists = file.query_exists(null);
let file_info = file_exists ? file.query_info ('*', Gio.FileQueryInfoFlags.NONE, null) : 0;
if (!file_exists || file_info.get_size () == 0) { // file doesn't exist or is empty (probably due to a network error)
this._downloadImage(this.imageURL, file, true);
}
else {
this._setBackground();
this._updatePending = false;
}
}
else {
this.title = _("No wallpaper available");
this.explanation = _("No picture for today.");
this.filename = "";
this._updatePending = false;
}
this._setMenuText();
this._storeState();
}
_imageURL(urlbase, resolution) {
return BingURL + urlbase + '_' + resolution + '.jpg';
}
_storeState() {
if (this.filename) {
let maxLongDate = Utils.getMaxLongDate(this._settings); // refresh date from most recent Bing image
let state = {maxlongdate: maxLongDate, title: this.title, explanation: this.explanation, copyright: this.copyright,
longstartdate: this.longstartdate, imageinfolink: this.imageinfolink, imageURL: this.imageURL,
filename: this.filename, favourite: this.favourite_status, width: this.dimensions.width,