diff options
| author | toasted-nutbread <toasted-nutbread@users.noreply.github.com> | 2021-02-13 22:52:28 -0500 | 
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-02-13 22:52:28 -0500 | 
| commit | 6a271e067fa917614f4c81f473533e24c6d04404 (patch) | |
| tree | 0d81658b1c03aecfbba133425aefc0ea7612338c /ext/mixed/js/document-focus-controller.js | |
| parent | deed5027cd18bcdb9cb9d13cb7831be0ec5384e8 (diff) | |
Move mixed/js (#1383)
* Move mixed/js/core.js to js/core.js
* Move mixed/js/yomichan.js to js/yomichan.js
* Move mixed/js/timer.js to js/debug/timer.js
* Move mixed/js/hotkey-handler.js to js/input/hotkey-handler.js
* Move mixed/js/hotkey-help-controller.js to js/input/hotkey-help-controller.js
* Move mixed/js/hotkey-util.js to js/input/hotkey-util.js
* Move mixed/js/audio-system.js to js/input/audio-system.js
* Move mixed/js/media-loader.js to js/input/media-loader.js
* Move mixed/js/text-to-speech-audio.js to js/input/text-to-speech-audio.js
* Move mixed/js/comm.js to js/comm/cross-frame-api.js
* Move mixed/js/api.js to js/comm/api.js
* Move mixed/js/frame-client.js to js/comm/frame-client.js
* Move mixed/js/frame-endpoint.js to js/comm/frame-endpoint.js
* Move mixed/js/display.js to js/display/display.js
* Move mixed/js/display-audio.js to js/display/display-audio.js
* Move mixed/js/display-generator.js to js/display/display-generator.js
* Move mixed/js/display-history.js to js/display/display-history.js
* Move mixed/js/display-notification.js to js/display/display-notification.js
* Move mixed/js/display-profile-selection.js to js/display/display-profile-selection.js
* Move mixed/js/japanese.js to js/language/japanese-util.js
* Move mixed/js/dictionary-data-util.js to js/language/dictionary-data-util.js
* Move mixed/js/document-focus-controller.js to js/dom/document-focus-controller.js
* Move mixed/js/document-util.js to js/dom/document-util.js
* Move mixed/js/dom-data-binder.js to js/dom/dom-data-binder.js
* Move mixed/js/html-template-collection.js to js/dom/html-template-collection.js
* Move mixed/js/panel-element.js to js/dom/panel-element.js
* Move mixed/js/popup-menu.js to js/dom/popup-menu.js
* Move mixed/js/selector-observer.js to js/dom/selector-observer.js
* Move mixed/js/scroll.js to js/dom/window-scroll.js
* Move mixed/js/text-scanner.js to js/language/text-scanner.js
* Move mixed/js/cache-map.js to js/general/cache-map.js
* Move mixed/js/object-property-accessor.js to js/general/object-property-accessor.js
* Move mixed/js/task-accumulator.js to js/general/task-accumulator.js
* Move mixed/js/environment.js to js/background/environment.js
* Move mixed/js/dynamic-loader.js to js/scripting/dynamic-loader.js
* Move mixed/js/dynamic-loader-sentinel.js to js/scripting/dynamic-loader-sentinel.js
Diffstat (limited to 'ext/mixed/js/document-focus-controller.js')
| -rw-r--r-- | ext/mixed/js/document-focus-controller.js | 110 | 
1 files changed, 0 insertions, 110 deletions
| diff --git a/ext/mixed/js/document-focus-controller.js b/ext/mixed/js/document-focus-controller.js deleted file mode 100644 index 649b5abe..00000000 --- a/ext/mixed/js/document-focus-controller.js +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Copyright (C) 2020-2021  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 <https://www.gnu.org/licenses/>. - */ - -/** - * This class is used to control the document focus when a non-body element contains the main scrollbar. - * Web browsers will not automatically focus a custom element with the scrollbar on load, which results in - * keyboard shortcuts (e.g. arrow keys) not controlling page scroll. Instead, this class will manually - * focus a dummy element inside the main content, which gives keyboard scroll focus to that element. - */ -class DocumentFocusController { -    constructor() { -        this._contentScrollFocusElement = document.querySelector('#content-scroll-focus'); -    } - -    prepare() { -        window.addEventListener('focus', this._onWindowFocus.bind(this), false); -        this._updateFocusedElement(false); -    } - -    blurElement(element) { -        if (document.activeElement !== element) { return; } -        element.blur(); -        this._updateFocusedElement(false); -    } - -    // Private - -    _onWindowFocus() { -        this._updateFocusedElement(false); -    } - -    _updateFocusedElement(force) { -        const target = this._contentScrollFocusElement; -        if (target === null) { return; } - -        const {activeElement} = document; -        if ( -            force || -            activeElement === null || -            activeElement === document.documentElement || -            activeElement === document.body -        ) { -            // Get selection -            const selection = window.getSelection(); -            const selectionRanges1 = this._getSelectionRanges(selection); - -            // Note: This function will cause any selected text to be deselected on Firefox. -            target.focus({preventScroll: true}); - -            // Restore selection -            const selectionRanges2 = this._getSelectionRanges(selection); -            if (!this._areRangesSame(selectionRanges1, selectionRanges2)) { -                this._setSelectionRanges(selection, selectionRanges1); -            } -        } -    } - -    _getSelectionRanges(selection) { -        const ranges = []; -        for (let i = 0, ii = selection.rangeCount; i < ii; ++i) { -            ranges.push(selection.getRangeAt(i)); -        } -        return ranges; -    } - -    _setSelectionRanges(selection, ranges) { -        selection.removeAllRanges(); -        for (const range of ranges) { -            selection.addRange(range); -        } -    } - -    _areRangesSame(ranges1, ranges2) { -        const ii = ranges1.length; -        if (ii !== ranges2.length) { -            return false; -        } - -        for (let i = 0; i < ii; ++i) { -            const range1 = ranges1[i]; -            const range2 = ranges2[i]; -            try { -                if ( -                    range1.compareBoundaryPoints(Range.START_TO_START, range2) !== 0 || -                    range1.compareBoundaryPoints(Range.END_TO_END, range2) !== 0 -                ) { -                    return false; -                } -            } catch (e) { -                return false; -            } -        } - -        return true; -    } -} |