2016-01-05 01:46:52 +01:00
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/*
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Copyright 2015 OpenMarket Ltd
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2017-10-25 23:48:27 +02:00
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Copyright 2017 New Vector Ltd
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2016-01-05 01:46:52 +01:00
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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2017-10-11 18:56:17 +02:00
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const DEBUG = 0;
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2016-04-16 02:00:10 +02:00
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2017-11-15 02:01:17 +01:00
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// utility to turn #rrggbb or rgb(r,g,b) into [red,green,blue]
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function colorToRgb(color) {
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2017-11-15 15:47:20 +01:00
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if (!color) {
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return [0, 0, 0];
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}
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2017-11-15 02:01:17 +01:00
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if (color[0] === '#') {
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color = color.slice(1);
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if (color.length === 3) {
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color = color[0] + color[0] +
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color[1] + color[1] +
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color[2] + color[2];
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}
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const val = parseInt(color, 16);
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const r = (val >> 16) & 255;
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const g = (val >> 8) & 255;
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const b = val & 255;
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return [r, g, b];
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2017-11-15 11:14:16 +01:00
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} else {
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const match = color.match(/rgb\((.*?),(.*?),(.*?)\)/);
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2017-11-15 02:01:17 +01:00
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if (match) {
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2017-11-15 11:14:16 +01:00
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return [
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parseInt(match[1]),
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parseInt(match[2]),
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parseInt(match[3]),
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];
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2017-11-15 02:01:17 +01:00
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}
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2016-01-05 01:46:52 +01:00
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}
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2017-11-15 11:14:16 +01:00
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return [0, 0, 0];
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2016-01-05 01:46:52 +01:00
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}
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2017-11-08 15:55:07 +01:00
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// utility to turn [red,green,blue] into #rrggbb
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2017-11-15 02:01:17 +01:00
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function rgbToColor(rgb) {
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2017-10-11 18:56:17 +02:00
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const val = (rgb[0] << 16) | (rgb[1] << 8) | rgb[2];
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2017-01-20 15:22:27 +01:00
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return '#' + (0x1000000 + val).toString(16).slice(1);
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2016-01-05 01:46:52 +01:00
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}
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2017-11-08 15:55:07 +01:00
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class Tinter {
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constructor() {
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// The default colour keys to be replaced as referred to in CSS
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// (should be overridden by .mx_theme_accentColor and .mx_theme_secondaryAccentColor)
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this.keyRgb = [
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"rgb(118, 207, 166)", // Vector Green
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"rgb(234, 245, 240)", // Vector Light Green
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2017-11-15 02:01:17 +01:00
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"rgb(211, 239, 225)", // roomsublist-label-bg-color (20% Green overlaid on Light Green)
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2017-11-08 15:55:07 +01:00
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];
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// Some algebra workings for calculating the tint % of Vector Green & Light Green
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// x * 118 + (1 - x) * 255 = 234
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// x * 118 + 255 - 255 * x = 234
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// x * 118 - x * 255 = 234 - 255
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// (255 - 118) x = 255 - 234
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// x = (255 - 234) / (255 - 118) = 0.16
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// The colour keys to be replaced as referred to in SVGs
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this.keyHex = [
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"#76CFA6", // Vector Green
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"#EAF5F0", // Vector Light Green
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2017-11-15 02:01:17 +01:00
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"#D3EFE1", // roomsublist-label-bg-color (20% Green overlaid on Light Green)
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2017-11-08 15:55:07 +01:00
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"#FFFFFF", // white highlights of the SVGs (for switching to dark theme)
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2017-11-15 11:40:07 +01:00
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"#000000", // black lowlights of the SVGs (for switching to dark theme)
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2017-11-08 15:55:07 +01:00
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];
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2017-11-15 02:45:51 +01:00
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// track the replacement colours actually being used
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2017-11-08 15:55:07 +01:00
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// defaults to our keys.
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this.colors = [
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this.keyHex[0],
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this.keyHex[1],
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this.keyHex[2],
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this.keyHex[3],
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2017-11-15 11:40:07 +01:00
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this.keyHex[4],
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2017-11-08 15:55:07 +01:00
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];
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2017-11-15 02:45:51 +01:00
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// track the most current tint request inputs (which may differ from the
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// end result stored in this.colors
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this.currentTint = [
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undefined,
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undefined,
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undefined,
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undefined,
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2017-11-15 11:40:07 +01:00
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undefined,
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2017-11-15 02:45:51 +01:00
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];
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2017-11-08 15:55:07 +01:00
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this.cssFixups = [
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// { theme: {
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// style: a style object that should be fixed up taken from a stylesheet
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// attr: name of the attribute to be clobbered, e.g. 'color'
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// index: ordinal of primary, secondary or tertiary
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// },
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// }
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];
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// CSS attributes to be fixed up
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this.cssAttrs = [
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"color",
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"backgroundColor",
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"borderColor",
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"borderTopColor",
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"borderBottomColor",
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"borderLeftColor",
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];
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this.svgAttrs = [
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"fill",
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"stroke",
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];
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// List of functions to call when the tint changes.
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this.tintables = [];
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// the currently loaded theme (if any)
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this.theme = undefined;
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2017-11-14 16:27:28 +01:00
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// whether to force a tint (e.g. after changing theme)
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this.forceTint = false;
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2017-11-08 15:55:07 +01:00
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}
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2016-11-16 15:16:51 +01:00
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/**
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* Register a callback to fire when the tint changes.
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* This is used to rewrite the tintable SVGs with the new tint.
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*
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* It's not possible to unregister a tintable callback. So this can only be
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* used to register a static callback. If a set of tintables will change
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* over time then the best bet is to register a single callback for the
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* entire set.
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*
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2020-01-16 12:54:36 +01:00
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* To ensure the tintable work happens at least once, it is also called as
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* part of registration.
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*
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2016-11-16 15:16:51 +01:00
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* @param {Function} tintable Function to call when the tint changes.
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*/
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2017-11-08 15:55:07 +01:00
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registerTintable(tintable) {
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this.tintables.push(tintable);
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2020-01-16 12:54:36 +01:00
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tintable();
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2017-11-08 15:55:07 +01:00
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}
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getKeyRgb() {
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return this.keyRgb;
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}
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tint(primaryColor, secondaryColor, tertiaryColor) {
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2018-05-25 04:17:29 +02:00
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return;
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2018-10-17 16:20:38 +02:00
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// eslint-disable-next-line no-unreachable
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2017-11-15 02:45:51 +01:00
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this.currentTint[0] = primaryColor;
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this.currentTint[1] = secondaryColor;
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this.currentTint[2] = tertiaryColor;
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2017-11-08 15:55:07 +01:00
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this.calcCssFixups();
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2016-01-05 01:46:52 +01:00
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2017-11-15 11:14:16 +01:00
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if (DEBUG) {
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console.log("Tinter.tint(" + primaryColor + ", " +
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secondaryColor + ", " +
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tertiaryColor + ")");
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}
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2017-11-15 02:01:17 +01:00
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2016-01-08 04:22:38 +01:00
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if (!primaryColor) {
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2017-11-08 15:55:07 +01:00
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primaryColor = this.keyRgb[0];
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secondaryColor = this.keyRgb[1];
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2017-11-15 02:01:17 +01:00
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tertiaryColor = this.keyRgb[2];
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2016-01-08 04:22:38 +01:00
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}
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2016-01-05 01:46:52 +01:00
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if (!secondaryColor) {
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2017-01-20 15:22:27 +01:00
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const x = 0.16; // average weighting factor calculated from vector green & light green
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2017-11-15 02:01:17 +01:00
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const rgb = colorToRgb(primaryColor);
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2016-01-05 01:46:52 +01:00
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rgb[0] = x * rgb[0] + (1 - x) * 255;
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rgb[1] = x * rgb[1] + (1 - x) * 255;
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rgb[2] = x * rgb[2] + (1 - x) * 255;
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2017-11-15 02:01:17 +01:00
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secondaryColor = rgbToColor(rgb);
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2016-01-05 01:46:52 +01:00
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}
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if (!tertiaryColor) {
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2017-01-20 15:22:27 +01:00
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const x = 0.19;
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2017-11-15 02:01:17 +01:00
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const rgb1 = colorToRgb(primaryColor);
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const rgb2 = colorToRgb(secondaryColor);
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2016-01-05 01:46:52 +01:00
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rgb1[0] = x * rgb1[0] + (1 - x) * rgb2[0];
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rgb1[1] = x * rgb1[1] + (1 - x) * rgb2[1];
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rgb1[2] = x * rgb1[2] + (1 - x) * rgb2[2];
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2017-11-15 02:01:17 +01:00
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tertiaryColor = rgbToColor(rgb1);
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2016-01-05 01:46:52 +01:00
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}
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2017-11-14 16:27:28 +01:00
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if (this.forceTint == false &&
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this.colors[0] === primaryColor &&
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2017-11-08 15:55:07 +01:00
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this.colors[1] === secondaryColor &&
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this.colors[2] === tertiaryColor) {
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2016-01-08 04:22:38 +01:00
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return;
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}
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2017-11-14 16:27:28 +01:00
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this.forceTint = false;
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2017-11-08 15:55:07 +01:00
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this.colors[0] = primaryColor;
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this.colors[1] = secondaryColor;
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this.colors[2] = tertiaryColor;
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2016-01-05 04:34:52 +01:00
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2017-11-15 11:14:16 +01:00
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if (DEBUG) {
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console.log("Tinter.tint final: (" + primaryColor + ", " +
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secondaryColor + ", " +
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tertiaryColor + ")");
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}
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2016-04-16 02:00:10 +02:00
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2016-01-05 01:46:52 +01:00
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// go through manually fixing up the stylesheets.
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2017-11-05 00:50:57 +01:00
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this.applyCssFixups();
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2016-01-05 01:46:52 +01:00
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2016-01-07 04:39:00 +01:00
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// tell all the SVGs to go fix themselves up
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2016-04-16 02:00:10 +02:00
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// we don't do this as a dispatch otherwise it will visually lag
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2017-11-08 15:55:07 +01:00
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this.tintables.forEach(function(tintable) {
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2016-11-16 15:16:51 +01:00
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tintable();
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});
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2017-11-08 15:55:07 +01:00
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}
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2016-01-06 03:29:08 +01:00
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2017-11-08 15:55:07 +01:00
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tintSvgWhite(whiteColor) {
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2017-11-15 02:45:51 +01:00
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this.currentTint[3] = whiteColor;
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2017-01-18 15:06:47 +01:00
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if (!whiteColor) {
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2017-11-08 15:55:07 +01:00
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whiteColor = this.colors[3];
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2017-01-18 15:06:47 +01:00
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}
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2017-11-08 15:55:07 +01:00
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if (this.colors[3] === whiteColor) {
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2017-01-18 15:06:47 +01:00
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return;
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}
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2017-11-08 15:55:07 +01:00
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this.colors[3] = whiteColor;
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this.tintables.forEach(function(tintable) {
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2017-01-18 15:06:47 +01:00
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tintable();
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});
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2017-11-08 15:55:07 +01:00
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}
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2017-11-05 00:50:57 +01:00
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2017-11-15 11:40:07 +01:00
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tintSvgBlack(blackColor) {
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this.currentTint[4] = blackColor;
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if (!blackColor) {
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blackColor = this.colors[4];
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}
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if (this.colors[4] === blackColor) {
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return;
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}
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this.colors[4] = blackColor;
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this.tintables.forEach(function(tintable) {
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tintable();
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});
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}
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setTheme(theme) {
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2017-11-08 15:55:07 +01:00
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this.theme = theme;
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2017-11-05 01:40:38 +01:00
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2017-11-05 00:50:57 +01:00
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// update keyRgb from the current theme CSS itself, if it defines it
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if (document.getElementById('mx_theme_accentColor')) {
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2017-11-08 15:55:07 +01:00
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this.keyRgb[0] = window.getComputedStyle(
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2017-11-15 11:14:16 +01:00
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document.getElementById('mx_theme_accentColor')).color;
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2017-11-05 00:50:57 +01:00
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}
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if (document.getElementById('mx_theme_secondaryAccentColor')) {
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2017-11-08 15:55:07 +01:00
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this.keyRgb[1] = window.getComputedStyle(
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2017-11-15 11:14:16 +01:00
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document.getElementById('mx_theme_secondaryAccentColor')).color;
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2017-11-05 00:50:57 +01:00
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}
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2017-11-15 02:01:17 +01:00
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if (document.getElementById('mx_theme_tertiaryAccentColor')) {
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this.keyRgb[2] = window.getComputedStyle(
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2017-11-15 11:14:16 +01:00
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document.getElementById('mx_theme_tertiaryAccentColor')).color;
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2017-11-15 02:01:17 +01:00
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}
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2017-11-05 00:50:57 +01:00
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2017-11-08 15:55:07 +01:00
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this.calcCssFixups();
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2017-11-14 16:27:28 +01:00
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this.forceTint = true;
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2017-11-15 02:45:51 +01:00
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this.tint(this.currentTint[0], this.currentTint[1], this.currentTint[2]);
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if (theme === 'dark') {
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// abuse the tinter to change all the SVG's #fff to #2d2d2d
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// XXX: obviously this shouldn't be hardcoded here.
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this.tintSvgWhite('#2d2d2d');
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2017-11-15 11:40:07 +01:00
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this.tintSvgBlack('#dddddd');
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2017-11-15 02:45:51 +01:00
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} else {
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this.tintSvgWhite('#ffffff');
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2017-11-15 11:40:07 +01:00
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this.tintSvgBlack('#000000');
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2017-11-15 02:45:51 +01:00
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}
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2017-11-08 15:55:07 +01:00
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}
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calcCssFixups() {
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// cache our fixups
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if (this.cssFixups[this.theme]) return;
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2017-11-15 11:14:16 +01:00
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if (DEBUG) {
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console.debug("calcCssFixups start for " + this.theme + " (checking " +
|
|
|
|
document.styleSheets.length +
|
|
|
|
" stylesheets)");
|
|
|
|
}
|
2017-11-08 15:55:07 +01:00
|
|
|
|
|
|
|
this.cssFixups[this.theme] = [];
|
|
|
|
|
2017-11-05 00:50:57 +01:00
|
|
|
for (let i = 0; i < document.styleSheets.length; i++) {
|
|
|
|
const ss = document.styleSheets[i];
|
2018-04-11 19:31:54 +02:00
|
|
|
try {
|
|
|
|
if (!ss) continue; // well done safari >:(
|
|
|
|
// Chromium apparently sometimes returns null here; unsure why.
|
|
|
|
// see $14534907369972FRXBx:matrix.org in HQ
|
|
|
|
// ...ah, it's because there's a third party extension like
|
|
|
|
// privacybadger inserting its own stylesheet in there with a
|
|
|
|
// resource:// URI or something which results in a XSS error.
|
|
|
|
// See also #vector:matrix.org/$145357669685386ebCfr:matrix.org
|
|
|
|
// ...except some browsers apparently return stylesheets without
|
|
|
|
// hrefs, which we have no choice but ignore right now
|
|
|
|
|
|
|
|
// XXX seriously? we are hardcoding the name of vector's CSS file in
|
|
|
|
// here?
|
|
|
|
//
|
|
|
|
// Why do we need to limit it to vector's CSS file anyway - if there
|
|
|
|
// are other CSS files affecting the doc don't we want to apply the
|
|
|
|
// same transformations to them?
|
|
|
|
//
|
|
|
|
// Iterating through the CSS looking for matches to hack on feels
|
|
|
|
// pretty horrible anyway. And what if the application skin doesn't use
|
|
|
|
// Vector Green as its primary color?
|
|
|
|
// --richvdh
|
|
|
|
|
|
|
|
// Yes, tinting assumes that you are using the Riot skin for now.
|
|
|
|
// The right solution will be to move the CSS over to react-sdk.
|
|
|
|
// And yes, the default assets for the base skin might as well use
|
|
|
|
// Vector Green as any other colour.
|
|
|
|
// --matthew
|
|
|
|
|
|
|
|
// stylesheets we don't have permission to access (eg. ones from extensions) have a null
|
|
|
|
// href and will throw exceptions if we try to access their rules.
|
|
|
|
if (!ss.href || !ss.href.match(new RegExp('/theme-' + this.theme + '.css$'))) continue;
|
|
|
|
if (ss.disabled) continue;
|
|
|
|
if (!ss.cssRules) continue;
|
|
|
|
|
|
|
|
if (DEBUG) console.debug("calcCssFixups checking " + ss.cssRules.length + " rules for " + ss.href);
|
|
|
|
|
|
|
|
for (let j = 0; j < ss.cssRules.length; j++) {
|
|
|
|
const rule = ss.cssRules[j];
|
|
|
|
if (!rule.style) continue;
|
|
|
|
if (rule.selectorText && rule.selectorText.match(/#mx_theme/)) continue;
|
|
|
|
for (let k = 0; k < this.cssAttrs.length; k++) {
|
|
|
|
const attr = this.cssAttrs[k];
|
|
|
|
for (let l = 0; l < this.keyRgb.length; l++) {
|
|
|
|
if (rule.style[attr] === this.keyRgb[l]) {
|
|
|
|
this.cssFixups[this.theme].push({
|
|
|
|
style: rule.style,
|
|
|
|
attr: attr,
|
|
|
|
index: l,
|
|
|
|
});
|
|
|
|
}
|
2017-11-05 00:50:57 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2018-04-11 19:31:54 +02:00
|
|
|
} catch (e) {
|
|
|
|
// Catch any random exceptions that happen here: all sorts of things can go
|
|
|
|
// wrong with this (nulls, SecurityErrors) and mostly it's for other
|
|
|
|
// stylesheets that we don't want to proces anyway. We should not propagate an
|
|
|
|
// exception out since this will cause the app to fail to start.
|
|
|
|
console.log("Failed to calculate CSS fixups for a stylesheet: " + ss.href, e);
|
2017-11-05 00:50:57 +01:00
|
|
|
}
|
|
|
|
}
|
2017-11-15 11:14:16 +01:00
|
|
|
if (DEBUG) {
|
|
|
|
console.log("calcCssFixups end (" +
|
|
|
|
this.cssFixups[this.theme].length +
|
|
|
|
" fixups)");
|
|
|
|
}
|
2017-11-08 15:55:07 +01:00
|
|
|
}
|
|
|
|
|
|
|
|
applyCssFixups() {
|
2017-11-15 11:14:16 +01:00
|
|
|
if (DEBUG) {
|
|
|
|
console.log("applyCssFixups start (" +
|
|
|
|
this.cssFixups[this.theme].length +
|
|
|
|
" fixups)");
|
|
|
|
}
|
2017-11-08 15:55:07 +01:00
|
|
|
for (let i = 0; i < this.cssFixups[this.theme].length; i++) {
|
|
|
|
const cssFixup = this.cssFixups[this.theme][i];
|
2017-11-14 15:27:27 +01:00
|
|
|
try {
|
|
|
|
cssFixup.style[cssFixup.attr] = this.colors[cssFixup.index];
|
2017-11-15 11:14:16 +01:00
|
|
|
} catch (e) {
|
2017-11-14 15:27:27 +01:00
|
|
|
// Firefox Quantum explodes if you manually edit the CSS in the
|
|
|
|
// inspector and then try to do a tint, as apparently all the
|
|
|
|
// fixups are then stale.
|
|
|
|
console.error("Failed to apply cssFixup in Tinter! ", e.name);
|
|
|
|
}
|
2017-11-05 00:50:57 +01:00
|
|
|
}
|
|
|
|
if (DEBUG) console.log("applyCssFixups end");
|
2017-11-08 15:55:07 +01:00
|
|
|
}
|
2017-11-05 00:50:57 +01:00
|
|
|
|
2016-01-07 04:59:09 +01:00
|
|
|
// XXX: we could just move this all into TintableSvg, but as it's so similar
|
|
|
|
// to the CSS fixup stuff in Tinter (just that the fixups are stored in TintableSvg)
|
|
|
|
// keeping it here for now.
|
2019-01-03 19:55:56 +01:00
|
|
|
calcSvgFixups(svgs) {
|
2016-01-07 04:59:09 +01:00
|
|
|
// go through manually fixing up SVG colours.
|
|
|
|
// we could do this by stylesheets, but keeping the stylesheets
|
|
|
|
// updated would be a PITA, so just brute-force search for the
|
|
|
|
// key colour; cache the element and apply.
|
|
|
|
|
2016-04-16 02:00:10 +02:00
|
|
|
if (DEBUG) console.log("calcSvgFixups start for " + svgs);
|
2017-10-11 18:56:17 +02:00
|
|
|
const fixups = [];
|
|
|
|
for (let i = 0; i < svgs.length; i++) {
|
2017-11-15 11:14:16 +01:00
|
|
|
let svgDoc;
|
2016-01-23 19:59:37 +01:00
|
|
|
try {
|
2016-09-16 03:53:41 +02:00
|
|
|
svgDoc = svgs[i].contentDocument;
|
2017-11-16 14:19:36 +01:00
|
|
|
} catch (e) {
|
2017-10-11 18:56:17 +02:00
|
|
|
let msg = 'Failed to get svg.contentDocument of ' + svgs[i].toString();
|
2016-01-23 19:59:37 +01:00
|
|
|
if (e.message) {
|
|
|
|
msg += e.message;
|
|
|
|
}
|
|
|
|
if (e.stack) {
|
|
|
|
msg += ' | stack: ' + e.stack;
|
|
|
|
}
|
2017-11-15 11:14:16 +01:00
|
|
|
console.error(msg);
|
2016-01-23 19:59:37 +01:00
|
|
|
}
|
2016-01-07 04:59:09 +01:00
|
|
|
if (!svgDoc) continue;
|
2017-10-11 18:56:17 +02:00
|
|
|
const tags = svgDoc.getElementsByTagName("*");
|
|
|
|
for (let j = 0; j < tags.length; j++) {
|
|
|
|
const tag = tags[j];
|
2017-11-08 15:55:07 +01:00
|
|
|
for (let k = 0; k < this.svgAttrs.length; k++) {
|
|
|
|
const attr = this.svgAttrs[k];
|
2019-01-03 19:55:56 +01:00
|
|
|
for (let l = 0; l < this.keyHex.length; l++) {
|
|
|
|
if (tag.getAttribute(attr) &&
|
|
|
|
tag.getAttribute(attr).toUpperCase() === this.keyHex[l]) {
|
2016-01-07 04:59:09 +01:00
|
|
|
fixups.push({
|
|
|
|
node: tag,
|
|
|
|
attr: attr,
|
2019-01-03 19:55:56 +01:00
|
|
|
index: l,
|
2016-01-07 04:59:09 +01:00
|
|
|
});
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
2016-04-16 02:00:10 +02:00
|
|
|
if (DEBUG) console.log("calcSvgFixups end");
|
2016-01-07 04:59:09 +01:00
|
|
|
|
|
|
|
return fixups;
|
2017-11-08 15:55:07 +01:00
|
|
|
}
|
2016-01-07 04:59:09 +01:00
|
|
|
|
2017-11-08 15:55:07 +01:00
|
|
|
applySvgFixups(fixups) {
|
2016-04-16 02:00:10 +02:00
|
|
|
if (DEBUG) console.log("applySvgFixups start for " + fixups);
|
2017-10-11 18:56:17 +02:00
|
|
|
for (let i = 0; i < fixups.length; i++) {
|
|
|
|
const svgFixup = fixups[i];
|
2019-01-03 19:55:56 +01:00
|
|
|
svgFixup.node.setAttribute(svgFixup.attr, this.colors[svgFixup.index]);
|
2016-01-06 03:29:08 +01:00
|
|
|
}
|
2016-04-16 02:00:10 +02:00
|
|
|
if (DEBUG) console.log("applySvgFixups end");
|
2017-11-08 15:55:07 +01:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if (global.singletonTinter === undefined) {
|
|
|
|
global.singletonTinter = new Tinter();
|
|
|
|
}
|
|
|
|
export default global.singletonTinter;
|