diff --git a/demos/top-app-bar.html b/demos/top-app-bar.html index d19f8c6f663..daef9828855 100644 --- a/demos/top-app-bar.html +++ b/demos/top-app-bar.html @@ -80,7 +80,7 @@
-
+

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@@ -208,6 +208,7 @@

Demo Controls

var rightItemEl = document.getElementById('right-item'); var rightSection = document.getElementById('iconSection'); var drawerEl = document.querySelector('.mdc-drawer'); + var contentMainEl = document.getElementById('content-main'); var drawer = new mdc.drawer.MDCTemporaryDrawer(drawerEl); var appBar = mdc.topAppBar.MDCTopAppBar.attachTo(appBarEl); @@ -247,6 +248,14 @@

Demo Controls

// Top App Bar Specific Options denseCheckbox.addEventListener('change', function() { appBarEl.classList[this.checked ? 'add' : 'remove']('mdc-top-app-bar--dense'); + contentMainEl.classList[this.checked ? 'add' : 'remove']('mdc-top-app-bar--dense-fixed-adjust'); + if (prominentCheckbox.checked) { + contentMainEl.classList[this.checked ? 'add' : 'remove']('mdc-top-app-bar--dense-prominent-fixed-adjust'); + } + + + appBar.destroy(); + appBar = mdc.topAppBar.MDCTopAppBar.attachTo(appBarEl); shortCheckbox.disabled = this.checked || prominentCheckbox.checked || fixedCheckbox.checked; }); @@ -264,6 +273,14 @@

Demo Controls

prominentCheckbox.addEventListener('change', function() { appBarEl.classList[this.checked ? 'add' : 'remove']('mdc-top-app-bar--prominent'); + contentMainEl.classList[this.checked ? 'add' : 'remove']('mdc-top-app-bar--prominent-fixed-adjust'); + + if (denseCheckbox.checked) { + contentMainEl.classList[this.checked ? 'add' : 'remove']('mdc-top-app-bar--dense-prominent-fixed-adjust'); + } + + appBar.destroy(); + appBar = mdc.topAppBar.MDCTopAppBar.attachTo(appBarEl); shortCheckbox.disabled = this.checked || denseCheckbox.checked || fixedCheckbox.checked; }); @@ -272,6 +289,7 @@

Demo Controls

shortCheckbox.addEventListener('change', function() { appBarEl.classList[this.checked ? 'add' : 'remove']('mdc-top-app-bar--short'); appBarEl.classList.remove('mdc-top-app-bar--short-has-action-item'); + contentMainEl.classList[this.checked ? 'add' : 'remove']('mdc-top-app-bar--short-fixed-adjust'); appBar.destroy(); appBar = mdc.topAppBar.MDCTopAppBar.attachTo(appBarEl); @@ -294,8 +312,6 @@

Demo Controls

appBar.destroy(); appBar = mdc.topAppBar.MDCTopAppBar.attachTo(appBarEl); }); - - }); diff --git a/packages/mdc-top-app-bar/_mixins.scss b/packages/mdc-top-app-bar/_mixins.scss index 20f8a1cee7b..3919ac5ee3d 100644 --- a/packages/mdc-top-app-bar/_mixins.scss +++ b/packages/mdc-top-app-bar/_mixins.scss @@ -76,6 +76,10 @@ padding-bottom: $mdc-top-app-bar-prominent-mobile-title-bottom-padding; } } + + .mdc-top-app-bar--fixed-adjust { + margin-top: $mdc-top-app-bar-mobile-row-height; + } } } diff --git a/packages/mdc-top-app-bar/adapter.js b/packages/mdc-top-app-bar/adapter.js index 6b63e016613..bddb772d631 100644 --- a/packages/mdc-top-app-bar/adapter.js +++ b/packages/mdc-top-app-bar/adapter.js @@ -47,6 +47,19 @@ class MDCTopAppBarAdapter { */ hasClass(className) {} + /** + * Sets the specified inline style property on the root Element to the given value. + * @param {string} property + * @param {string} value + */ + setStyle(property, value) {} + + /** + * Gets the height of the top app bar. + * @return {number} + */ + getTopAppBarHeight() {} + /** * Registers an event handler on the navigation icon element for a given event. * @param {string} type @@ -72,6 +85,12 @@ class MDCTopAppBarAdapter { /** @param {function(!Event)} handler */ deregisterScrollHandler(handler) {} + /** @param {function(!Event)} handler */ + registerResizeHandler(handler) {} + + /** @param {function(!Event)} handler */ + deregisterResizeHandler(handler) {} + /** @return {number} */ getViewportScrollY() {} diff --git a/packages/mdc-top-app-bar/constants.js b/packages/mdc-top-app-bar/constants.js index 1438fdd2e0b..d1c4985f361 100644 --- a/packages/mdc-top-app-bar/constants.js +++ b/packages/mdc-top-app-bar/constants.js @@ -15,15 +15,6 @@ * limitations under the License. */ -/** @enum {string} */ -const strings = { - NAVIGATION_EVENT: 'MDCTopAppBar:nav', - ROOT_SELECTOR: '.mdc-top-app-bar', - TITLE_SELECTOR: '.mdc-top-app-bar__title', - NAVIGATION_ICON_SELECTOR: '.mdc-top-app-bar__navigation-icon', - ACTION_ITEM_SELECTOR: '.mdc-top-app-bar__action-item', -}; - /** @enum {string} */ const cssClasses = { FIXED_CLASS: 'mdc-top-app-bar--fixed', @@ -33,4 +24,19 @@ const cssClasses = { SHORT_COLLAPSED_CLASS: 'mdc-top-app-bar--short-collapsed', }; -export {strings, cssClasses}; +/** @enum {number} */ +const numbers = { + DEBOUNCE_THROTTLE_RESIZE_TIME_MS: 100, + MAX_TOP_APP_BAR_HEIGHT: 128, +}; + +/** @enum {string} */ +const strings = { + ACTION_ITEM_SELECTOR: '.mdc-top-app-bar__action-item', + NAVIGATION_EVENT: 'MDCTopAppBar:nav', + NAVIGATION_ICON_SELECTOR: '.mdc-top-app-bar__navigation-icon', + ROOT_SELECTOR: '.mdc-top-app-bar', + TITLE_SELECTOR: '.mdc-top-app-bar__title', +}; + +export {strings, cssClasses, numbers}; diff --git a/packages/mdc-top-app-bar/foundation.js b/packages/mdc-top-app-bar/foundation.js index 07f93ab0f68..c37e9c80248 100644 --- a/packages/mdc-top-app-bar/foundation.js +++ b/packages/mdc-top-app-bar/foundation.js @@ -15,14 +15,14 @@ * limitations under the License. */ -import {strings, cssClasses} from './constants'; +import {strings, cssClasses, numbers} from './constants'; import MDCTopAppBarAdapter from './adapter'; import MDCFoundation from '@material/base/foundation'; /** * @extends {MDCFoundation} */ -class MDCTopAppBarFoundation extends MDCFoundation { +class MDCTopAppBarBaseFoundation extends MDCFoundation { /** @return enum {string} */ static get strings() { return strings; @@ -33,6 +33,11 @@ class MDCTopAppBarFoundation extends MDCFoundation { return cssClasses; } + /** @return enum {number} */ + static get numbers() { + return numbers; + } + /** * {@see MDCTopAppBarAdapter} for typing information on parameters and return * types. @@ -43,11 +48,15 @@ class MDCTopAppBarFoundation extends MDCFoundation { hasClass: (/* className: string */) => {}, addClass: (/* className: string */) => {}, removeClass: (/* className: string */) => {}, + setStyle: (/* property: string, value: string */) => {}, + getTopAppBarHeight: () => {}, registerNavigationIconInteractionHandler: (/* type: string, handler: EventListener */) => {}, deregisterNavigationIconInteractionHandler: (/* type: string, handler: EventListener */) => {}, notifyNavigationIconClicked: () => {}, registerScrollHandler: (/* handler: EventListener */) => {}, deregisterScrollHandler: (/* handler: EventListener */) => {}, + registerResizeHandler: (/* handler: EventListener */) => {}, + deregisterResizeHandler: (/* handler: EventListener */) => {}, getViewportScrollY: () => /* number */ 0, getTotalActionItems: () => /* number */ 0, }); @@ -56,8 +65,8 @@ class MDCTopAppBarFoundation extends MDCFoundation { /** * @param {!MDCTopAppBarAdapter} adapter */ - constructor(adapter) { - super(Object.assign(MDCTopAppBarFoundation.defaultAdapter, adapter)); + constructor(/** @type {!MDCTopAppBarAdapter} */ adapter) { + super(Object.assign(MDCTopAppBarBaseFoundation.defaultAdapter, adapter)); this.navClickHandler_ = () => this.adapter_.notifyNavigationIconClicked(); } @@ -71,4 +80,4 @@ class MDCTopAppBarFoundation extends MDCFoundation { } } -export default MDCTopAppBarFoundation; +export default MDCTopAppBarBaseFoundation; diff --git a/packages/mdc-top-app-bar/index.js b/packages/mdc-top-app-bar/index.js index 8aa9a7fa492..395ab929e0b 100644 --- a/packages/mdc-top-app-bar/index.js +++ b/packages/mdc-top-app-bar/index.js @@ -16,15 +16,16 @@ */ import MDCTopAppBarAdapter from './adapter'; -import MDCTopAppBarFoundation from './foundation'; import MDCComponent from '@material/base/component'; import {MDCRipple} from '@material/ripple/index'; import {cssClasses, strings} from './constants'; +import MDCTopAppBarBaseFoundation from './foundation'; import MDCFixedTopAppBarFoundation from './fixed/foundation'; import MDCShortTopAppBarFoundation from './short/foundation'; +import MDCTopAppBarFoundation from './standard/foundation'; /** - * @extends {MDCComponent} + * @extends {MDCComponent} * @final */ class MDCTopAppBar extends MDCComponent { @@ -68,7 +69,7 @@ class MDCTopAppBar extends MDCComponent { } /** - * @return {!MDCTopAppBarFoundation} + * @return {!MDCTopAppBarBaseFoundation} */ getDefaultFoundation() { /** @type {!MDCTopAppBarAdapter} */ @@ -76,6 +77,8 @@ class MDCTopAppBar extends MDCComponent { hasClass: (className) => this.root_.classList.contains(className), addClass: (className) => this.root_.classList.add(className), removeClass: (className) => this.root_.classList.remove(className), + setStyle: (property, value) => this.root_.style.setProperty(property, value), + getTopAppBarHeight: () => this.root_.clientHeight, registerNavigationIconInteractionHandler: (evtType, handler) => { if (this.navIcon_) { this.navIcon_.addEventListener(evtType, handler); @@ -91,12 +94,15 @@ class MDCTopAppBar extends MDCComponent { }, registerScrollHandler: (handler) => window.addEventListener('scroll', handler), deregisterScrollHandler: (handler) => window.removeEventListener('scroll', handler), + registerResizeHandler: (handler) => window.addEventListener('resize', handler), + deregisterResizeHandler: (handler) => window.removeEventListener('resize', handler), getViewportScrollY: () => window.pageYOffset, getTotalActionItems: () => this.root_.querySelectorAll(strings.ACTION_ITEM_SELECTOR).length, }) ); + /** @type {!MDCTopAppBarBaseFoundation} */ let foundation; if (this.root_.classList.contains(cssClasses.SHORT_CLASS)) { foundation = new MDCShortTopAppBarFoundation(adapter); @@ -110,4 +116,6 @@ class MDCTopAppBar extends MDCComponent { } } -export {MDCTopAppBar, MDCTopAppBarFoundation, MDCFixedTopAppBarFoundation, MDCShortTopAppBarFoundation}; +export {MDCTopAppBar, MDCTopAppBarBaseFoundation, + MDCTopAppBarFoundation, MDCFixedTopAppBarFoundation, + MDCShortTopAppBarFoundation}; diff --git a/packages/mdc-top-app-bar/mdc-top-app-bar.scss b/packages/mdc-top-app-bar/mdc-top-app-bar.scss index 1089b73d472..fe600876eff 100644 --- a/packages/mdc-top-app-bar/mdc-top-app-bar.scss +++ b/packages/mdc-top-app-bar/mdc-top-app-bar.scss @@ -27,7 +27,7 @@ @include mdc-top-app-bar-icon-ink-color(text-primary-on-primary); display: flex; - position: relative; + position: fixed; flex-direction: column; justify-content: space-between; box-sizing: border-box; @@ -159,6 +159,7 @@ } } +// stylelint-disable-next-line plugin/selector-bem-pattern .mdc-top-app-bar--fixed { position: fixed; transition: box-shadow 200ms linear; @@ -189,5 +190,25 @@ } // stylelint-enable plugin/selector-bem-pattern +.mdc-top-app-bar--fixed-adjust { + margin-top: $mdc-top-app-bar-row-height; +} + +.mdc-top-app-bar--dense-fixed-adjust { + margin-top: $mdc-top-app-bar-dense-row-height; +} + +.mdc-top-app-bar--short-fixed-adjust { + margin-top: $mdc-top-app-bar-mobile-row-height; +} + +.mdc-top-app-bar--prominent-fixed-adjust { + margin-top: $mdc-top-app-bar-prominent-row-height; +} + +.mdc-top-app-bar--dense-prominent-fixed-adjust { + margin-top: $mdc-top-app-bar-dense-row-height * 2; +} + // Mobile Styles @include mdc-top-app-bar-mobile-breakpoint_; diff --git a/packages/mdc-top-app-bar/short/foundation.js b/packages/mdc-top-app-bar/short/foundation.js index cb6d7c76b3e..0b0ed89af8e 100644 --- a/packages/mdc-top-app-bar/short/foundation.js +++ b/packages/mdc-top-app-bar/short/foundation.js @@ -15,15 +15,15 @@ * limitations under the License. */ -import {cssClasses} from '../constants'; import MDCTopAppBarAdapter from '../adapter'; -import MDCTopAppBarFoundation from '../foundation'; +import MDCTopAppBarBaseFoundation from '../foundation'; +import {cssClasses} from '../constants'; /** - * @extends {MDCTopAppBarFoundation} + * @extends {MDCTopAppBarBaseFoundation} * @final */ -class MDCShortTopAppBarFoundation extends MDCTopAppBarFoundation { +class MDCShortTopAppBarFoundation extends MDCTopAppBarBaseFoundation { /** * @param {!MDCTopAppBarAdapter} adapter */ @@ -58,6 +58,7 @@ class MDCShortTopAppBarFoundation extends MDCTopAppBarFoundation { /** * Scroll handler for applying/removing the collapsed modifier class * on the short top app bar. + * @private */ shortAppBarScrollHandler_() { const currentScroll = this.adapter_.getViewportScrollY(); diff --git a/packages/mdc-top-app-bar/standard/foundation.js b/packages/mdc-top-app-bar/standard/foundation.js new file mode 100644 index 00000000000..5156d25de78 --- /dev/null +++ b/packages/mdc-top-app-bar/standard/foundation.js @@ -0,0 +1,214 @@ +/** + * @license + * Copyright 2018 Google Inc. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import MDCTopAppBarAdapter from '../adapter'; +import MDCTopAppBarBaseFoundation from '../foundation'; +import {numbers} from '../constants'; + +const INITIAL_VALUE = 0; +/** + * @extends {MDCTopAppBarBaseFoundation} + * @final + */ +class MDCTopAppBarFoundation extends MDCTopAppBarBaseFoundation { + /** + * @param {!MDCTopAppBarAdapter} adapter + */ + constructor(adapter) { + super(adapter); + /** + * Used for diffs of current scroll position vs previous scroll position + * @private {number} + */ + this.lastScrollPosition_ = this.adapter_.getViewportScrollY(); + + /** + * Used to verify when the top app bar is completely showing or completely hidden + * @private {number} + */ + this.topAppBarHeight_ = this.adapter_.getTopAppBarHeight(); + + /** + * wasDocked_ is used to indicate if the top app bar was docked in the previous + * scroll handler iteration. + * @private {boolean} + */ + this.wasDocked_ = true; + + /** + * isDockedShowing_ is used to indicate if the top app bar is docked in the fully + * shown position. + * @private {boolean} + */ + this.isDockedShowing_ = true; + + /** + * Variable for current scroll position of the top app bar + * @private {number} + */ + this.currentAppBarOffsetTop_ = 0; + + /** + * Used to prevent the top app bar from being scrolled out of view during resize events + * @private {boolean} */ + this.isCurrentlyBeingResized_ = false; + + /** + * The timeout that's used to throttle the resize events + * @private {number} + */ + this.resizeThrottleId_ = INITIAL_VALUE; + + /** + * The timeout that's used to debounce toggling the isCurrentlyBeingResized_ variable after a resize + * @private {number} + */ + this.resizeDebounceId_ = INITIAL_VALUE; + + this.scrollHandler_ = () => this.topAppBarScrollHandler_(); + this.resizeHandler_ = () => this.topAppBarResizeHandler_(); + } + + init() { + super.init(); + this.adapter_.registerScrollHandler(this.scrollHandler_); + this.adapter_.registerResizeHandler(this.resizeHandler_); + } + + destroy() { + super.destroy(); + this.adapter_.deregisterScrollHandler(this.scrollHandler_); + this.adapter_.deregisterResizeHandler(this.resizeHandler_); + this.adapter_.setStyle('top', ''); + } + + /** + * Function to determine if the DOM needs to update. + * @return {boolean} + * @private + */ + checkForUpdate_() { + const offscreenBoundaryTop = -this.topAppBarHeight_; + const hasAnyPixelsOffscreen = this.currentAppBarOffsetTop_ < 0; + const hasAnyPixelsOnscreen = this.currentAppBarOffsetTop_ > offscreenBoundaryTop; + const partiallyShowing = hasAnyPixelsOffscreen && hasAnyPixelsOnscreen; + + // If it's partially showing, it can't be docked. + if (partiallyShowing) { + this.wasDocked_ = false; + } else { + // Not previously docked and not partially showing, it's now docked. + if (!this.wasDocked_) { + this.wasDocked_ = true; + return true; + } else if (this.isDockedShowing_ !== hasAnyPixelsOnscreen) { + this.isDockedShowing_ = hasAnyPixelsOnscreen; + return true; + } + } + + return partiallyShowing; + } + + /** + * Function to move the top app bar if needed. + * @private + */ + moveTopAppBar_() { + if (this.checkForUpdate_()) { + // Once the top app bar is fully hidden we use the max potential top app bar height as our offset + // so the top app bar doesn't show if the window resizes and the new height > the old height. + let offset = this.currentAppBarOffsetTop_; + if (Math.abs(offset) >= this.topAppBarHeight_) { + offset = -numbers.MAX_TOP_APP_BAR_HEIGHT; + } + + this.adapter_.setStyle('top', offset + 'px'); + } + } + + /** + * Scroll handler for the default scroll behavior of the top app bar. + * @private + */ + topAppBarScrollHandler_() { + const currentScrollPosition = Math.max(this.adapter_.getViewportScrollY(), 0); + const diff = currentScrollPosition - this.lastScrollPosition_; + this.lastScrollPosition_ = currentScrollPosition; + + // If the window is being resized the lastScrollPosition_ needs to be updated but the + // current scroll of the top app bar should stay in the same position. + if (!this.isCurrentlyBeingResized_) { + this.currentAppBarOffsetTop_ -= diff; + + if (this.currentAppBarOffsetTop_ > 0) { + this.currentAppBarOffsetTop_ = 0; + } else if (Math.abs(this.currentAppBarOffsetTop_) > this.topAppBarHeight_) { + this.currentAppBarOffsetTop_ = -this.topAppBarHeight_; + } + + this.moveTopAppBar_(); + } + } + + /** + * Top app bar resize handler that throttle/debounce functions that execute updates. + * @private + */ + topAppBarResizeHandler_() { + // Throttle resize events 10 p/s + if (!this.resizeThrottleId_) { + this.resizeThrottleId_ = setTimeout(() => { + this.resizeThrottleId_ = INITIAL_VALUE; + this.throttledResizeHandler_(); + }, numbers.DEBOUNCE_THROTTLE_RESIZE_TIME_MS); + } + + this.isCurrentlyBeingResized_ = true; + + if (this.resizeDebounceId_) { + clearTimeout(this.resizeDebounceId_); + } + + this.resizeDebounceId_ = setTimeout(() => { + this.topAppBarScrollHandler_(); + this.isCurrentlyBeingResized_ = false; + this.resizeDebounceId_ = INITIAL_VALUE; + }, numbers.DEBOUNCE_THROTTLE_RESIZE_TIME_MS); + } + + /** + * Throttled function that updates the top app bar scrolled values if the + * top app bar height changes. + * @private + */ + throttledResizeHandler_() { + const currentHeight = this.adapter_.getTopAppBarHeight(); + if (this.topAppBarHeight_ !== currentHeight) { + this.wasDocked_ = false; + + // Since the top app bar has a different height depending on the screen width, this + // will ensure that the top app bar remains in the correct location if + // completely hidden and a resize makes the top app bar a different height. + this.currentAppBarOffsetTop_ -= this.topAppBarHeight_ - currentHeight; + this.topAppBarHeight_ = currentHeight; + } + this.topAppBarScrollHandler_(); + } +} + +export default MDCTopAppBarFoundation; diff --git a/test/unit/mdc-top-app-bar/foundation.test.js b/test/unit/mdc-top-app-bar/foundation.test.js index 4a36a688bc5..fe949e478b2 100644 --- a/test/unit/mdc-top-app-bar/foundation.test.js +++ b/test/unit/mdc-top-app-bar/foundation.test.js @@ -1,4 +1,5 @@ /** + * @license * Copyright 2016 Google Inc. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -19,33 +20,34 @@ import td from 'testdouble'; import {captureHandlers} from '../helpers/foundation'; import {verifyDefaultAdapter} from '../helpers/foundation'; -import MDCTopAppBarFoundation from '../../../packages/mdc-top-app-bar/foundation'; +import MDCTopAppBarBaseFoundation from '../../../packages/mdc-top-app-bar/foundation'; import {strings, cssClasses} from '../../../packages/mdc-top-app-bar/constants'; -suite('MDCTopAppBarFoundation'); +suite('MDCTopAppBarBaseFoundation'); test('exports strings', () => { - assert.isTrue('strings' in MDCTopAppBarFoundation); - assert.deepEqual(MDCTopAppBarFoundation.strings, strings); + assert.isTrue('strings' in MDCTopAppBarBaseFoundation); + assert.deepEqual(MDCTopAppBarBaseFoundation.strings, strings); }); test('exports cssClasses', () => { - assert.isTrue('cssClasses' in MDCTopAppBarFoundation); - assert.deepEqual(MDCTopAppBarFoundation.cssClasses, cssClasses); + assert.isTrue('cssClasses' in MDCTopAppBarBaseFoundation); + assert.deepEqual(MDCTopAppBarBaseFoundation.cssClasses, cssClasses); }); test('defaultAdapter returns a complete adapter implementation', () => { - verifyDefaultAdapter(MDCTopAppBarFoundation, [ - 'hasClass', 'addClass', 'removeClass', 'registerNavigationIconInteractionHandler', + verifyDefaultAdapter(MDCTopAppBarBaseFoundation, [ + 'hasClass', 'addClass', 'removeClass', 'setStyle', 'getTopAppBarHeight', 'registerNavigationIconInteractionHandler', 'deregisterNavigationIconInteractionHandler', 'notifyNavigationIconClicked', 'registerScrollHandler', - 'deregisterScrollHandler', 'getViewportScrollY', 'getTotalActionItems', + 'deregisterScrollHandler', 'registerResizeHandler', 'deregisterResizeHandler', 'getViewportScrollY', + 'getTotalActionItems', ]); }); const setupTest = () => { - const mockAdapter = td.object(MDCTopAppBarFoundation.defaultAdapter); + const mockAdapter = td.object(MDCTopAppBarBaseFoundation.defaultAdapter); - const foundation = new MDCTopAppBarFoundation(mockAdapter); + const foundation = new MDCTopAppBarBaseFoundation(mockAdapter); return {foundation, mockAdapter}; }; diff --git a/test/unit/mdc-top-app-bar/mdc-top-app-bar.test.js b/test/unit/mdc-top-app-bar/mdc-top-app-bar.test.js index b0d218d93cb..b188ca75e70 100644 --- a/test/unit/mdc-top-app-bar/mdc-top-app-bar.test.js +++ b/test/unit/mdc-top-app-bar/mdc-top-app-bar.test.js @@ -1,4 +1,5 @@ /** + * @license * Copyright 2017 Google Inc. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -155,6 +156,13 @@ test('adapter#removeClass removes a class from the root element', () => { assert.isFalse(root.classList.contains('foo')); }); +test('adapter#setStyle sets a style attribute on the root element', () => { + const {root, component} = setupTest(); + assert.isFalse(root.style.getPropertyValue('top') === '1px'); + component.getDefaultFoundation().adapter_.setStyle('top', '1px'); + assert.isTrue(root.style.getPropertyValue('top') === '1px'); +}); + test('registerNavigationIconInteractionHandler does not add a handler to the nav icon if the nav icon is null', () => { const {component} = setupTest(true); const handler = td.func('eventHandler'); @@ -221,6 +229,34 @@ test('#adapter.deregisterScrollHandler removes a scroll handler from the window } }); +test('#adapter.registerResizeHandler adds a resize handler to the window', () => { + const {component} = setupTest(); + const handler = td.func('resizeHandler'); + component.getDefaultFoundation().adapter_.registerResizeHandler(handler); + + domEvents.emit(window, 'resize'); + try { + td.verify(handler(td.matchers.anything())); + } finally { + // Just to be safe + window.removeEventListener('resize', handler); + } +}); + +test('#adapter.deregisterResizeHandler removes a resize handler from the window', () => { + const {component} = setupTest(); + const handler = td.func('resizeHandler'); + window.addEventListener('resize', handler); + component.getDefaultFoundation().adapter_.deregisterResizeHandler(handler); + domEvents.emit(window, 'resize'); + try { + td.verify(handler(td.matchers.anything()), {times: 0}); + } finally { + // Just to be safe + window.removeEventListener('resize', handler); + } +}); + test('adapter#getViewportScrollY returns scroll distance', () => { const {component} = setupTest(); assert.equal(component.getDefaultFoundation().adapter_.getViewportScrollY(), window.pageYOffset); diff --git a/test/unit/mdc-top-app-bar/standard.foundation.test.js b/test/unit/mdc-top-app-bar/standard.foundation.test.js new file mode 100644 index 00000000000..3e34af8bf1f --- /dev/null +++ b/test/unit/mdc-top-app-bar/standard.foundation.test.js @@ -0,0 +1,246 @@ +/** + * @license + * Copyright 2018 Google Inc. All Rights Reserved. + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +import {assert} from 'chai'; +import td from 'testdouble'; + +import MDCTopAppBarFoundation from '../../../packages/mdc-top-app-bar/standard/foundation'; +import {numbers} from '../../../packages/mdc-top-app-bar/constants'; +import {createMockRaf} from '../helpers/raf'; +import lolex from 'lolex'; + +suite('MDCTopAppBarFoundation'); + +const setupTest = () => { + const mockAdapter = td.object(MDCTopAppBarFoundation.defaultAdapter); + td.when(mockAdapter.getTopAppBarHeight()).thenReturn(64); + td.when(mockAdapter.getViewportScrollY()).thenReturn(0); + + const foundation = new MDCTopAppBarFoundation(mockAdapter); + + return {foundation, mockAdapter}; +}; + +const createMockHandlers = (foundation, mockAdapter, mockRaf) => { + let scrollHandler; + let resizeHandler; + td.when(mockAdapter.registerScrollHandler(td.matchers.isA(Function))).thenDo((fn) => { + scrollHandler = fn; + }); + td.when(mockAdapter.registerResizeHandler(td.matchers.isA(Function))).thenDo((fn) => { + resizeHandler = fn; + }); + + foundation.init(); + mockRaf.flush(); + td.reset(); + return {scrollHandler, resizeHandler}; +}; + +test('top app bar: listeners is registered on init', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + td.verify(mockAdapter.registerScrollHandler(td.matchers.isA(Function)), {times: 1}); + td.verify(mockAdapter.registerResizeHandler(td.matchers.isA(Function)), {times: 1}); +}); + +test('listeners removed on destroy', () => { + const {foundation, mockAdapter} = setupTest(); + td.when(mockAdapter.hasClass(MDCTopAppBarFoundation.cssClasses.SHORT_CLASS)).thenReturn(true); + foundation.init(); + foundation.destroy(); + td.verify(mockAdapter.deregisterScrollHandler(td.matchers.isA(Function)), {times: 1}); + td.verify(mockAdapter.deregisterResizeHandler(td.matchers.isA(Function)), {times: 1}); +}); + +test('top app bar scroll: throttledResizeHandler_ updates topAppBarHeight_ if the top app bar height changes', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + assert.isTrue(foundation.topAppBarHeight_ === 64); + td.when(mockAdapter.getTopAppBarHeight()).thenReturn(56); + foundation.throttledResizeHandler_(); + assert.isTrue(foundation.topAppBarHeight_ === 56); +}); + +test('top app bar scroll: throttledResizeHandler_ does not update topAppBarHeight_ if height is the same', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + assert.isTrue(foundation.topAppBarHeight_ === 64); + td.when(mockAdapter.getTopAppBarHeight()).thenReturn(64); + foundation.throttledResizeHandler_(); + assert.isTrue(foundation.topAppBarHeight_ === 64); +}); + +test('top app bar : moveTopAppBar_ update required transition from fully shown to 1px scrolled', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + foundation.currentAppBarOffsetTop_ = -1; // Indicates 1px scrolled up + foundation.checkForUpdate_ = () => true; + foundation.moveTopAppBar_(); + td.verify(mockAdapter.setStyle('top', '-1px'), {times: 1}); +}); + +test('top app bar : moveTopAppBar_ update required transition from 1px shown to fullyHidden ', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + foundation.currentAppBarOffsetTop_ = -64; // Indicates 64px scrolled + foundation.checkForUpdate_ = () => true; + foundation.moveTopAppBar_(); + td.verify(mockAdapter.setStyle('top', '-' + numbers.MAX_TOP_APP_BAR_HEIGHT + 'px')); +}); + +test('top app bar : moveTopAppBar_ update is not required results in no top app bar style change', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + foundation.currentAppBarOffsetTop_ = 0; + foundation.checkForUpdate_ = () => false; + foundation.moveTopAppBar_(); + td.verify(mockAdapter.setStyle('top', td.matchers.anything()), {times: 0}); +}); + +test('top app bar : checkForUpdate_ returns true if top app bar is not docked', () => { + const {foundation} = setupTest(); + foundation.init(); + foundation.currentAppBarOffsetTop_ = -1; + foundation.wasDocked_ = false; + assert.isTrue(foundation.checkForUpdate_()); +}); + +test('top app bar : checkForUpdate_ updates wasDocked_ to true if top app bar becomes docked', () => { + const {foundation} = setupTest(); + foundation.init(); + foundation.currentAppBarOffsetTop_ = 0; + foundation.wasDocked_ = false; + assert.isTrue(foundation.checkForUpdate_()); + assert.isTrue(foundation.wasDocked_); +}); + +test('top app bar : checkForUpdate_ returns false if top app bar is docked and fullyShown', () => { + const {foundation} = setupTest(); + foundation.init(); + foundation.currentAppBarOffsetTop_ = 0; + foundation.wasDocked_ = true; + assert.isFalse(foundation.checkForUpdate_()); + assert.isTrue(foundation.wasDocked_); +}); + +test('top app bar : checkForUpdate_ returns false if top app bar is docked and fullyHidden', () => { + const {foundation} = setupTest(); + foundation.init(); + foundation.currentAppBarOffsetTop_ = -64; + foundation.wasDocked_ = true; + foundation.isDockedShowing_ = false; + assert.isFalse(foundation.checkForUpdate_()); + assert.isTrue(foundation.wasDocked_); +}); + +test('top app bar : checkForUpdate_ returns true if top app bar is docked but not fullyShown/fullyHidden', () => { + const {foundation} = setupTest(); + foundation.init(); + foundation.currentAppBarOffsetTop_ = -63; + foundation.wasDocked_ = true; + assert.isTrue(foundation.checkForUpdate_()); + assert.isFalse(foundation.wasDocked_); +}); + +test('top app bar : topAppBarScrollHandler_ does not update currentAppBarOffsetTop_ if ' + + 'isCurrentlyBeingResized_ is true', () => { + const {foundation} = setupTest(); + foundation.init(); + foundation.isCurrentlyBeingResized_ = true; + foundation.topAppBarScrollHandler_(); + assert.isTrue(foundation.currentAppBarOffsetTop_ === 0); +}); + +test('top app bar : topAppBarScrollHandler_ subtracts the currentAppBarOffsetTop_ amount scrolled', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + td.when(mockAdapter.getViewportScrollY()).thenReturn(1); + foundation.topAppBarScrollHandler_(); + assert.isTrue(foundation.currentAppBarOffsetTop_ === -1); +}); + +test('top app bar : topAppBarScrollHandler_ negative scroll results in currentAppBarOffsetTop_ being 0', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + td.when(mockAdapter.getViewportScrollY()).thenReturn(-1); + foundation.topAppBarScrollHandler_(); + assert.isTrue(foundation.currentAppBarOffsetTop_ === 0); +}); + +test('top app bar : topAppBarScrollHandler_ scroll greater than top app bar height results in ' + + 'currentAppBarOffsetTop_ being negative topAppBarHeight_', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + td.when(mockAdapter.getViewportScrollY()).thenReturn(100); + foundation.topAppBarScrollHandler_(); + assert.isTrue(foundation.currentAppBarOffsetTop_ === -64); +}); + +test('top app bar : topAppBarScrollHandler_ scrolling does not generate a ' + + 'positive currentAppBarOffsetTop_', () => { + const {foundation, mockAdapter} = setupTest(); + foundation.init(); + td.when(mockAdapter.getViewportScrollY()).thenReturn(100); + foundation.topAppBarScrollHandler_(); + td.when(mockAdapter.getViewportScrollY()).thenReturn(-100); + foundation.topAppBarScrollHandler_(); + assert.isTrue(foundation.currentAppBarOffsetTop_ === 0); +}); + +test('top app bar : resize events should set isCurrentlyBeingResized_ to true', () => { + const mockRaf = createMockRaf(); + const {foundation, mockAdapter} = setupTest(); + const {resizeHandler} = createMockHandlers(foundation, mockAdapter, mockRaf); + + foundation.init(); + resizeHandler(); + + assert.isTrue(foundation.isCurrentlyBeingResized_); +}); + +test('top app bar : resize events throttle multiple calls of throttledResizeHandler_ ', () => { + const clock = lolex.install(); + const mockRaf = createMockRaf(); + const {foundation, mockAdapter} = setupTest(); + const {resizeHandler} = createMockHandlers(foundation, mockAdapter, mockRaf); + + foundation.init(); + resizeHandler(); + assert.isFalse(!foundation.resizeThrottleId_); + resizeHandler(); + clock.tick(numbers.DEBOUNCE_THROTTLE_RESIZE_TIME_MS); + assert.isTrue(!foundation.resizeThrottleId_); +}); + +test('top app bar : resize events debounce changing isCurrentlyBeingResized_ to false ', () => { + const clock = lolex.install(); + const mockRaf = createMockRaf(); + const {foundation, mockAdapter} = setupTest(); + const {resizeHandler} = createMockHandlers(foundation, mockAdapter, mockRaf); + + foundation.init(); + + resizeHandler(); + const debounceId = foundation.resizeDebounceId_; + clock.tick(50); + resizeHandler(); + assert.isFalse(debounceId === foundation.resizeDebounceId_); + assert.isTrue(foundation.isCurrentlyBeingResized_); + clock.tick(150); + assert.isFalse(foundation.isCurrentlyBeingResized_); +}); diff --git a/test/unit/mdc-top-app-bar/util.test.js b/test/unit/mdc-top-app-bar/util.test.js new file mode 100644 index 00000000000..e69de29bb2d