fix(theming): change color button contrast on user settings

Signed-off-by: Grigorii K. Shartsev <me@shgk.me>

apps/theming/src/components/BackgroundSettings.vue

@@ -58,16 +58,15 @@
 		</button>
 
 		<!-- Custom color picker -->
-		<NcColorPicker v-model="Theming.color" @input="debouncePickColor">
-			<button class="background background__color"
-				:data-color="Theming.color"
-				:data-color-bright="invertTextColor(Theming.color)"
-				:style="{ backgroundColor: Theming.color, '--border-color': Theming.color}"
-				data-user-theming-background-color
-				tabindex="0">
-				{{ t('theming', 'Change color') }}
-			</button>
-		</NcColorPicker>
+		<div class="background-color"
+			data-user-theming-background-color>
+			<NcColorPicker v-model="Theming.color"
+				@input="debouncePickColor">
+				<NcButton type="ternary">
+					{{ t('theming', 'Change color') }}
+				</NcButton>
+			</NcColorPicker>
+		</div>
 
 		<!-- Remove background -->
 		<button :aria-pressed="isBackgroundDisabled"
@@ -113,6 +112,7 @@ import { Palette } from 'node-vibrant/lib/color.js'
 import axios from '@nextcloud/axios'
 import debounce from 'debounce'
 import NcColorPicker from '@nextcloud/vue/dist/Components/NcColorPicker.js'
+import NcButton from '@nextcloud/vue/dist/Components/NcButton.js'
 import Vibrant from 'node-vibrant'
 
 import Check from 'vue-material-design-icons/Check.vue'
@@ -133,6 +133,7 @@ export default {
 		Check,
 		Close,
 		ImageEdit,
+		NcButton,
 		NcColorPicker,
 	},
 
@@ -341,6 +342,17 @@ export default {
 	flex-wrap: wrap;
 	justify-content: center;
 
+	.background-color {
+		display: flex;
+		justify-content: center;
+		align-items: center;
+		width: 176px;
+		height: 96px;
+		margin: 8px;
+		border-radius: var(--border-radius-large);
+		background-color: var(--color-primary);
+	}
+
 	.background {
 		overflow: hidden;
 		width: 176px;
@@ -368,11 +380,6 @@ export default {
 			border-color: var(--color-border);
 		}
 
-		&__color {
-			color: var(--color-primary-text);
-			background-color: var(--color-primary-default);
-		}
-
 		// Over a background image
 		&__default,
 		&__shipped {

cypress/e2e/theming/themingUtils.ts

@@ -54,13 +54,13 @@ export const validateBodyThemingCss = function(expectedColor = defaultPrimary, e
  */
 export const validateUserThemingDefaultCss = function(expectedColor = defaultPrimary, expectedBackground: string|null = defaultBackground) {
 	const defaultSelectButton = Cypress.$('[data-user-theming-background-default]')
-	const customColorSelectButton = Cypress.$('[data-user-theming-background-color]')
-	if (defaultSelectButton.length === 0 || customColorSelectButton.length === 0) {
+	const customColor = Cypress.$('[data-user-theming-background-color]')
+	if (defaultSelectButton.length === 0 || customColor.length === 0) {
 		return false
 	}
 
 	const defaultOptionBackground = defaultSelectButton.css('background-image')
-	const colorPickerOptionColor = customColorSelectButton.css('background-color')
+	const colorPickerOptionColor = customColor.css('background-color')
 
 	const isValidBackgroundImage = !expectedBackground
 		? defaultOptionBackground === 'none'
@@ -71,15 +71,15 @@ export const validateUserThemingDefaultCss = function(expectedColor = defaultPri
 	return isValidBackgroundImage && colord(colorPickerOptionColor).isEqual(expectedColor)
 }
 
-export const pickRandomColor = function(pickerSelector: string): Cypress.Chainable<string> {
+export const pickRandomColor = function(): Cypress.Chainable<string> {
 	// Pick one of the first 8 options
 	const randColour = Math.floor(Math.random() * 8)
 
 	// Open picker
-	cy.get(pickerSelector).click()
+	cy.get('button').contains('Change color').click()
 
 	// Return selected colour
-	return cy.get(pickerSelector).get('.color-picker__simple-color-circle').eq(randColour).then(($el) => {
+	return cy.get('.color-picker__simple-color-circle').eq(randColour).then(($el) => {
 		$el.trigger('click')
 		return $el.css('background-color')
 	})

cypress/e2e/theming/user-background.cy.ts

@@ -129,7 +129,7 @@ describe('User select a custom color', function() {
 	it('Select a custom color', function() {
 		cy.intercept('*/apps/theming/background/color').as('setColor')
 
-		pickRandomColor('[data-user-theming-background-color]')
+		pickRandomColor()
 
 		// Validate custom colour change
 		cy.wait('@setColor')
@@ -168,7 +168,7 @@ describe('User select a bright custom color and remove background', function() {
 		cy.intercept('*/apps/theming/background/color').as('setColor')
 
 		// Pick one of the bright color preset
-		cy.get('[data-user-theming-background-color]').click()
+		cy.get('button').contains('Change color').click()
 		cy.get('.color-picker__simple-color-circle:eq(4)').click()
 
 		// Validate custom colour change
@@ -286,7 +286,7 @@ describe('User changes settings and reload the page', function() {
 	it('Select a custom color', function() {
 		cy.intercept('*/apps/theming/background/color').as('setColor')
 
-		cy.get('[data-user-theming-background-color]').click()
+		cy.get('button').contains('Change color').click()
 		cy.get('.color-picker__simple-color-circle:eq(5)').click()
 
 		// Validate clear background