From 01f74510f011e54d452e8fce2b9221b0af942911 Mon Sep 17 00:00:00 2001 From: toasted-nutbread Date: Sat, 6 Mar 2021 14:31:23 -0500 Subject: Separate display resizer (#1494) * Make invokeContentOrigin public * Move display resizer functionality into a new class: DisplayResizer * Simplify field names * Use parent frame instead of content origin * Remove unused --- ext/js/display/display-resizer.js | 172 ++++++++++++++++++++++++++++++++++++++ ext/js/display/display.js | 170 +++++-------------------------------- ext/js/display/popup-main.js | 4 + 3 files changed, 197 insertions(+), 149 deletions(-) create mode 100644 ext/js/display/display-resizer.js (limited to 'ext/js/display') diff --git a/ext/js/display/display-resizer.js b/ext/js/display/display-resizer.js new file mode 100644 index 00000000..9fd56045 --- /dev/null +++ b/ext/js/display/display-resizer.js @@ -0,0 +1,172 @@ +/* + * Copyright (C) 2021 Yomichan Authors + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +class DisplayResizer { + constructor(display) { + this._display = display; + this._token = null; + this._handle = null; + this._touchIdentifier = null; + this._startSize = null; + this._startOffset = null; + this._eventListeners = new EventListenerCollection(); + } + + prepare() { + this._handle = document.querySelector('#frame-resizer-handle'); + if (this._handle === null) { return; } + + this._handle.addEventListener('mousedown', this._onFrameResizerMouseDown.bind(this), false); + this._handle.addEventListener('touchstart', this._onFrameResizerTouchStart.bind(this), false); + } + + // Private + + _onFrameResizerMouseDown(e) { + if (e.button !== 0) { return; } + // Don't do e.preventDefault() here; this allows mousemove events to be processed + // if the pointer moves out of the frame. + this._startFrameResize(e); + } + + _onFrameResizerTouchStart(e) { + e.preventDefault(); + this._startFrameResizeTouch(e); + } + + _onFrameResizerMouseUp() { + this._stopFrameResize(); + } + + _onFrameResizerWindowBlur() { + this._stopFrameResize(); + } + + _onFrameResizerMouseMove(e) { + if ((e.buttons & 0x1) === 0x0) { + this._stopFrameResize(); + } else { + if (this._startSize === null) { return; } + const {clientX: x, clientY: y} = e; + this._updateFrameSize(x, y); + } + } + + _onFrameResizerTouchEnd(e) { + if (this._getTouch(e.changedTouches, this._touchIdentifier) === null) { return; } + this._stopFrameResize(); + } + + _onFrameResizerTouchCancel(e) { + if (this._getTouch(e.changedTouches, this._touchIdentifier) === null) { return; } + this._stopFrameResize(); + } + + _onFrameResizerTouchMove(e) { + if (this._startSize === null) { return; } + const primaryTouch = this._getTouch(e.changedTouches, this._touchIdentifier); + if (primaryTouch === null) { return; } + const {clientX: x, clientY: y} = primaryTouch; + this._updateFrameSize(x, y); + } + + _startFrameResize(e) { + if (this._token !== null) { return; } + + const {clientX: x, clientY: y} = e; + const token = {}; + this._token = token; + this._startOffset = {x, y}; + this._eventListeners.addEventListener(window, 'mouseup', this._onFrameResizerMouseUp.bind(this), false); + this._eventListeners.addEventListener(window, 'blur', this._onFrameResizerWindowBlur.bind(this), false); + this._eventListeners.addEventListener(window, 'mousemove', this._onFrameResizerMouseMove.bind(this), false); + + const {documentElement} = document; + if (documentElement !== null) { + documentElement.dataset.isResizing = 'true'; + } + + this._initializeFrameResize(token); + } + + _startFrameResizeTouch(e) { + if (this._token !== null) { return; } + + const {clientX: x, clientY: y, identifier} = e.changedTouches[0]; + const token = {}; + this._token = token; + this._startOffset = {x, y}; + this._touchIdentifier = identifier; + this._eventListeners.addEventListener(window, 'touchend', this._onFrameResizerTouchEnd.bind(this), false); + this._eventListeners.addEventListener(window, 'touchcancel', this._onFrameResizerTouchCancel.bind(this), false); + this._eventListeners.addEventListener(window, 'blur', this._onFrameResizerWindowBlur.bind(this), false); + this._eventListeners.addEventListener(window, 'touchmove', this._onFrameResizerTouchMove.bind(this), false); + + const {documentElement} = document; + if (documentElement !== null) { + documentElement.dataset.isResizing = 'true'; + } + + this._initializeFrameResize(token); + } + + async _initializeFrameResize(token) { + const {parentPopupId} = this._display; + if (parentPopupId === null) { return; } + + const size = await this._display.invokeParentFrame('popup.getFrameSize', {id: parentPopupId}); + if (this._token !== token) { return; } + this._startSize = size; + } + + _stopFrameResize() { + if (this._token === null) { return; } + + this._eventListeners.removeAllEventListeners(); + this._startSize = null; + this._startOffset = null; + this._touchIdentifier = null; + this._token = null; + + const {documentElement} = document; + if (documentElement !== null) { + delete documentElement.dataset.isResizing; + } + } + + async _updateFrameSize(x, y) { + const {parentPopupId} = this._display; + if (parentPopupId === null) { return; } + + const handleSize = this._handle.getBoundingClientRect(); + let {width, height} = this._startSize; + width += x - this._startOffset.x; + height += y - this._startOffset.y; + width = Math.max(Math.max(0, handleSize.width), width); + height = Math.max(Math.max(0, handleSize.height), height); + await this._display.invokeParentFrame('popup.setFrameSize', {id: parentPopupId, width, height}); + } + + _getTouch(touchList, identifier) { + for (const touch of touchList) { + if (touch.identifier === identifier) { + return touch; + } + } + return null; + } +} diff --git a/ext/js/display/display.js b/ext/js/display/display.js index d584db11..e564c4ec 100644 --- a/ext/js/display/display.js +++ b/ext/js/display/display.js @@ -106,12 +106,6 @@ class Display extends EventDispatcher { this._browser = null; this._copyTextarea = null; this._definitionTextScanner = null; - this._frameResizeToken = null; - this._frameResizeHandle = document.querySelector('#frame-resizer-handle'); - this._frameResizeTouchIdentifier = null; - this._frameResizeStartSize = null; - this._frameResizeStartOffset = null; - this._frameResizeEventListeners = new EventListenerCollection(); this._tagNotification = null; this._footerNotificationContainer = document.querySelector('#content-footer'); this._displayAudio = new DisplayAudio(this); @@ -204,6 +198,10 @@ class Display extends EventDispatcher { return this._frameId; } + get parentPopupId() { + return this._parentPopupId; + } + async prepare() { // State setup const {documentElement} = document; @@ -243,11 +241,6 @@ class Display extends EventDispatcher { if (this._navigationNextButton !== null) { this._navigationNextButton.addEventListener('click', this._onNextTermView.bind(this), false); } - - if (this._frameResizeHandle !== null) { - this._frameResizeHandle.addEventListener('mousedown', this._onFrameResizerMouseDown.bind(this), false); - this._frameResizeHandle.addEventListener('touchstart', this._onFrameResizerTouchStart.bind(this), false); - } } getContentOrigin() { @@ -399,7 +392,7 @@ class Display extends EventDispatcher { close() { switch (this._pageType) { case 'popup': - this._invokeContentOrigin('closePopup'); + this.invokeContentOrigin('closePopup'); break; case 'search': this._closeTab(); @@ -439,6 +432,20 @@ class Display extends EventDispatcher { this.setContent(details); } + async invokeContentOrigin(action, params={}) { + if (this._contentOriginTabId === this._tabId && this._contentOriginFrameId === this._frameId) { + throw new Error('Content origin is same page'); + } + return await yomichan.crossFrame.invokeTab(this._contentOriginTabId, this._contentOriginFrameId, action, params); + } + + async invokeParentFrame(action, params={}) { + if (this._parentFrameId === null || this._parentFrameId === this._frameId) { + throw new Error('Invalid parent frame'); + } + return await yomichan.crossFrame.invoke(this._parentFrameId, action, params); + } + // Message handlers _onDirectMessage(data) { @@ -1618,13 +1625,6 @@ class Display extends EventDispatcher { await frontend.prepare(); } - async _invokeContentOrigin(action, params={}) { - if (this._contentOriginTabId === this._tabId && this._contentOriginFrameId === this._frameId) { - throw new Error('Content origin is same page'); - } - return await yomichan.crossFrame.invokeTab(this._contentOriginTabId, this._contentOriginFrameId, action, params); - } - _copyHostSelection() { if (this._contentOriginFrameId === null || window.getSelection().toString()) { return false; } this._copyHostSelectionSafe(); @@ -1646,7 +1646,7 @@ class Display extends EventDispatcher { { let text; try { - text = await this._invokeContentOrigin('getSelectionText'); + text = await this.invokeContentOrigin('getSelectionText'); } catch (e) { break; } @@ -1654,7 +1654,7 @@ class Display extends EventDispatcher { } break; default: - await this._invokeContentOrigin('copySelection'); + await this.invokeContentOrigin('copySelection'); break; } } @@ -1779,138 +1779,10 @@ class Display extends EventDispatcher { this.setContent(details); } - _onFrameResizerMouseDown(e) { - if (e.button !== 0) { return; } - // Don't do e.preventDefault() here; this allows mousemove events to be processed - // if the pointer moves out of the frame. - this._startFrameResize(e); - } - - _onFrameResizerTouchStart(e) { - e.preventDefault(); - this._startFrameResizeTouch(e); - } - - _onFrameResizerMouseUp() { - this._stopFrameResize(); - } - - _onFrameResizerWindowBlur() { - this._stopFrameResize(); - } - - _onFrameResizerMouseMove(e) { - if ((e.buttons & 0x1) === 0x0) { - this._stopFrameResize(); - } else { - if (this._frameResizeStartSize === null) { return; } - const {clientX: x, clientY: y} = e; - this._updateFrameSize(x, y); - } - } - - _onFrameResizerTouchEnd(e) { - if (this._getTouch(e.changedTouches, this._frameResizeTouchIdentifier) === null) { return; } - this._stopFrameResize(); - } - - _onFrameResizerTouchCancel(e) { - if (this._getTouch(e.changedTouches, this._frameResizeTouchIdentifier) === null) { return; } - this._stopFrameResize(); - } - - _onFrameResizerTouchMove(e) { - if (this._frameResizeStartSize === null) { return; } - const primaryTouch = this._getTouch(e.changedTouches, this._frameResizeTouchIdentifier); - if (primaryTouch === null) { return; } - const {clientX: x, clientY: y} = primaryTouch; - this._updateFrameSize(x, y); - } - _getSearchContext() { return {optionsContext: this.getOptionsContext()}; } - _startFrameResize(e) { - if (this._frameResizeToken !== null) { return; } - - const {clientX: x, clientY: y} = e; - const token = {}; - this._frameResizeToken = token; - this._frameResizeStartOffset = {x, y}; - this._frameResizeEventListeners.addEventListener(window, 'mouseup', this._onFrameResizerMouseUp.bind(this), false); - this._frameResizeEventListeners.addEventListener(window, 'blur', this._onFrameResizerWindowBlur.bind(this), false); - this._frameResizeEventListeners.addEventListener(window, 'mousemove', this._onFrameResizerMouseMove.bind(this), false); - - const {documentElement} = document; - if (documentElement !== null) { - documentElement.dataset.isResizing = 'true'; - } - - this._initializeFrameResize(token); - } - - _startFrameResizeTouch(e) { - if (this._frameResizeToken !== null) { return; } - - const {clientX: x, clientY: y, identifier} = e.changedTouches[0]; - const token = {}; - this._frameResizeToken = token; - this._frameResizeStartOffset = {x, y}; - this._frameResizeTouchIdentifier = identifier; - this._frameResizeEventListeners.addEventListener(window, 'touchend', this._onFrameResizerTouchEnd.bind(this), false); - this._frameResizeEventListeners.addEventListener(window, 'touchcancel', this._onFrameResizerTouchCancel.bind(this), false); - this._frameResizeEventListeners.addEventListener(window, 'blur', this._onFrameResizerWindowBlur.bind(this), false); - this._frameResizeEventListeners.addEventListener(window, 'touchmove', this._onFrameResizerTouchMove.bind(this), false); - - const {documentElement} = document; - if (documentElement !== null) { - documentElement.dataset.isResizing = 'true'; - } - - this._initializeFrameResize(token); - } - - async _initializeFrameResize(token) { - const size = await this._invokeContentOrigin('getFrameSize'); - if (this._frameResizeToken !== token) { return; } - this._frameResizeStartSize = size; - } - - _stopFrameResize() { - if (this._frameResizeToken === null) { return; } - - this._frameResizeEventListeners.removeAllEventListeners(); - this._frameResizeStartSize = null; - this._frameResizeStartOffset = null; - this._frameResizeTouchIdentifier = null; - this._frameResizeToken = null; - - const {documentElement} = document; - if (documentElement !== null) { - delete documentElement.dataset.isResizing; - } - } - - async _updateFrameSize(x, y) { - const handleSize = this._frameResizeHandle.getBoundingClientRect(); - let {width, height} = this._frameResizeStartSize; - width += x - this._frameResizeStartOffset.x; - height += y - this._frameResizeStartOffset.y; - width = Math.max(Math.max(0, handleSize.width), width); - height = Math.max(Math.max(0, handleSize.height), height); - await this._invokeContentOrigin('setFrameSize', {width, height}); - } - - _getTouch(touchList, identifier) { - for (const touch of touchList) { - if (touch.identifier === identifier) { - return touch; - } - } - return null; - } - _updateHotkeys(options) { this._hotkeyHandler.setHotkeys(this._pageType, options.inputs.hotkeys); } diff --git a/ext/js/display/popup-main.js b/ext/js/display/popup-main.js index 55f19984..0b5e338d 100644 --- a/ext/js/display/popup-main.js +++ b/ext/js/display/popup-main.js @@ -18,6 +18,7 @@ /* global * Display * DisplayProfileSelection + * DisplayResizer * DocumentFocusController * HotkeyHandler * JapaneseUtil @@ -43,6 +44,9 @@ const displayProfileSelection = new DisplayProfileSelection(display); displayProfileSelection.prepare(); + const displayResizer = new DisplayResizer(display); + displayResizer.prepare(); + display.initializeState(); document.documentElement.dataset.loaded = 'true'; -- cgit v1.2.3