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Merge pull request #157 from toasted-nutbread/touch-input

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Add support for touch input
This commit is contained in:
Alex Yatskov 2019-03-07 11:31:06 -08:00 committed by GitHub
commit c7f8d0874a
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GPG Key ID: 4AEE18F83AFDEB23
8 changed files with 251 additions and 3 deletions
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2
ext/bg/js/options.js
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@ -190,6 +190,7 @@ function optionsSetDefaults(options) {
debugInfo: false,
maxResults: 32,
showAdvanced: false,
popupDisplayMode: 'default',
popupWidth: 400,
popupHeight: 250,
popupOffset: 10,
@ -201,6 +202,7 @@ function optionsSetDefaults(options) {
scanning: {
middleMouse: true,
touchInputEnabled: true,
selectText: true,
alphanumeric: true,
autoHideResults: false,

4
ext/bg/js/settings.js
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@ -31,11 +31,13 @@ async function formRead() {
optionsNew.general.debugInfo = $('#show-debug-info').prop('checked');
optionsNew.general.showAdvanced = $('#show-advanced-options').prop('checked');
optionsNew.general.maxResults = parseInt($('#max-displayed-results').val(), 10);
optionsNew.general.popupDisplayMode = $('#popup-display-mode').val();
optionsNew.general.popupWidth = parseInt($('#popup-width').val(), 10);
optionsNew.general.popupHeight = parseInt($('#popup-height').val(), 10);
optionsNew.general.popupOffset = parseInt($('#popup-offset').val(), 10);
optionsNew.scanning.middleMouse = $('#middle-mouse-button-scan').prop('checked');
optionsNew.scanning.touchInputEnabled = $('#touch-input-enabled').prop('checked');
optionsNew.scanning.selectText = $('#select-matched-text').prop('checked');
optionsNew.scanning.alphanumeric = $('#search-alphanumeric').prop('checked');
optionsNew.scanning.autoHideResults = $('#auto-hide-results').prop('checked');
@ -161,11 +163,13 @@ async function onReady() {
$('#show-debug-info').prop('checked', options.general.debugInfo);
$('#show-advanced-options').prop('checked', options.general.showAdvanced);
$('#max-displayed-results').val(options.general.maxResults);
$('#popup-display-mode').val(options.general.popupDisplayMode);
$('#popup-width').val(options.general.popupWidth);
$('#popup-height').val(options.general.popupHeight);
$('#popup-offset').val(options.general.popupOffset);
$('#middle-mouse-button-scan').prop('checked', options.scanning.middleMouse);
$('#touch-input-enabled').prop('checked', options.scanning.touchInputEnabled);
$('#select-matched-text').prop('checked', options.scanning.selectText);
$('#search-alphanumeric').prop('checked', options.scanning.alphanumeric);
$('#auto-hide-results').prop('checked', options.scanning.autoHideResults);

12
ext/bg/settings.html
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@ -74,6 +74,14 @@
</select>
</div>
<div class="form-group">
<label for="popup-display-mode">Popup display mode</label>
<select class="form-control" id="popup-display-mode">
<option value="default">Default</option>
<option value="full-width">Full width</option>
</select>
</div>
<div class="form-group options-advanced">
<label for="audio-playback-volume">Audio playback volume (percent)</label>
<input type="number" min="0" max="100" id="audio-playback-volume" class="form-control">
@ -105,6 +113,10 @@
<label><input type="checkbox" id="middle-mouse-button-scan"> Middle mouse button scans</label>
</div>
<div class="checkbox">
<label><input type="checkbox" id="touch-input-enabled"> Touch input enabled</label>
</div>
<div class="checkbox">
<label><input type="checkbox" id="select-matched-text"> Select matched text</label>
</div>

22
ext/fg/css/client.css
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@ -27,3 +27,25 @@ iframe#yomichan-float {
visibility: hidden;
z-index: 2147483647;
}
iframe#yomichan-float.yomichan-float-full-width {
border-left: none;
border-right: none;
left: 0 !important;
right: 0 !important;
width: 100% !important;
box-sizing: border-box;
resize: none;
}
iframe#yomichan-float.yomichan-float-full-width:not(.yomichan-float-above) {
border-bottom: none;
top: auto !important;
bottom: 0 !important;
}
iframe#yomichan-float.yomichan-float-full-width.yomichan-float-above {
border-top: none;
top: 0 !important;
bottom: auto !important;
}

12
ext/fg/js/document.js
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@ -85,14 +85,24 @@ function docRangeFromPoint(point) {
range.setEnd(position.offsetNode, position.offset);
return range;
}
return null;
};
}
const range = document.caretRangeFromPoint(point.x, point.y);
if (range === null) {
return;
}
if(imposter !== null) imposter.style.zIndex = -2147483646;
const rect = range.getClientRects()[0];
const rects = range.getClientRects();
if (rects.length === 0) {
return;
}
const rect = rects[0];
if (point.y > rect.bottom + 2) {
return;
}

194
ext/fg/js/frontend.js
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@ -26,6 +26,14 @@ class Frontend {
this.textSourceLast = null;
this.pendingLookup = false;
this.options = null;
this.primaryTouchIdentifier = null;
this.contextMenuChecking = false;
this.contextMenuPrevent = false;
this.contextMenuPreviousRange = null;
this.mouseDownPrevent = false;
this.clickPrevent = false;
this.scrollPrevent = false;
}
async prepare() {
@ -39,6 +47,15 @@ class Frontend {
window.addEventListener('mouseup', this.onMouseUp.bind(this));
window.addEventListener('resize', this.onResize.bind(this));
if (this.options.scanning.touchInputEnabled) {
window.addEventListener('click', this.onClick.bind(this));
window.addEventListener('touchstart', this.onTouchStart.bind(this));
window.addEventListener('touchend', this.onTouchEnd.bind(this));
window.addEventListener('touchcancel', this.onTouchCancel.bind(this));
window.addEventListener('touchmove', this.onTouchMove.bind(this), {passive: false});
window.addEventListener('contextmenu', this.onContextMenu.bind(this));
}
chrome.runtime.onMessage.addListener(this.onBgMessage.bind(this));
} catch (e) {
this.onError(e);
@ -79,7 +96,7 @@ class Frontend {
const search = async () => {
try {
await this.searchAt({x: e.clientX, y: e.clientY});
await this.searchAt({x: e.clientX, y: e.clientY}, 'mouse');
} catch (e) {
this.onError(e);
}
@ -93,6 +110,14 @@ class Frontend {
}
onMouseDown(e) {
if (this.mouseDownPrevent) {
this.setMouseDownPrevent(false, false);
this.setClickPrevent(true);
e.preventDefault();
e.stopPropagation();
return false;
}
this.mousePosLast = {x: e.clientX, y: e.clientY};
this.popupTimerClear();
this.searchClear();
@ -133,6 +158,85 @@ class Frontend {
this.searchClear();
}
onClick(e) {
if (this.clickPrevent) {
this.setClickPrevent(false);
e.preventDefault();
e.stopPropagation();
return false;
}
}
onTouchStart(e) {
if (this.primaryTouchIdentifier !== null && this.getIndexOfTouch(e.touches, this.primaryTouchIdentifier) >= 0) {
return;
}
this.setPrimaryTouch(this.getPrimaryTouch(e.changedTouches));
}
onTouchEnd(e) {
if (this.primaryTouchIdentifier === null) {
return;
}
if (this.getIndexOfTouch(e.changedTouches, this.primaryTouchIdentifier) < 0) {
return;
}
this.setPrimaryTouch(this.getPrimaryTouch(this.excludeTouches(e.touches, e.changedTouches)));
}
onTouchCancel(e) {
this.onTouchEnd(e);
}
onTouchMove(e) {
if (!this.scrollPrevent || this.primaryTouchIdentifier === null) {
return;
}
const touches = e.changedTouches;
const index = this.getIndexOfTouch(touches, this.primaryTouchIdentifier);
if (index < 0) {
return;
}
const touch = touches[index];
this.searchFromTouch(touch.clientX, touch.clientY, 'touchMove');
e.preventDefault(); // Disable scroll
}
onContextMenu(e) {
if (this.contextMenuPrevent) {
this.setContextMenuPrevent(false, false);
e.preventDefault();
e.stopPropagation();
return false;
}
}
onAfterSearch(newRange, type, searched, success) {
if (type === 'mouse') {
return;
}
if (
!this.contextMenuChecking ||
(this.contextMenuPreviousRange === null ? newRange === null : this.contextMenuPreviousRange.equals(newRange))) {
return;
}
if (type === 'touchStart' && newRange !== null) {
this.scrollPrevent = true;
}
this.setContextMenuPrevent(true, false);
this.setMouseDownPrevent(true, false);
this.contextMenuChecking = false;
}
onBgMessage({action, params}, sender, callback) {
const handlers = {
optionsSet: options => {
@ -167,18 +271,22 @@ class Frontend {
}
}
async searchAt(point) {
async searchAt(point, type) {
if (this.pendingLookup || this.popup.containsPoint(point)) {
return;
}
const textSource = docRangeFromPoint(point);
let hideResults = !textSource || !textSource.containsPoint(point);
let searched = false;
let success = false;
try {
if (!hideResults && (!this.textSourceLast || !this.textSourceLast.equals(textSource))) {
searched = true;
this.pendingLookup = true;
hideResults = !await this.searchTerms(textSource) && !await this.searchKanji(textSource);
success = true;
}
} catch (e) {
if (window.yomichan_orphaned) {
@ -196,6 +304,7 @@ class Frontend {
}
this.pendingLookup = false;
this.onAfterSearch(this.textSourceLast, type, searched, success);
}
}
@ -262,6 +371,87 @@ class Frontend {
this.textSourceLast = null;
}
getPrimaryTouch(touchList) {
return touchList.length > 0 ? touchList[0] : null;
}
getIndexOfTouch(touchList, identifier) {
for (let i in touchList) {
let t = touchList[i];
if (t.identifier === identifier) {
return i;
}
}
return -1;
}
excludeTouches(touchList, excludeTouchList) {
const result = [];
for (let r of touchList) {
if (this.getIndexOfTouch(excludeTouchList, r.identifier) < 0) {
result.push(r);
}
}
return result;
}
setPrimaryTouch(touch) {
if (touch === null) {
this.primaryTouchIdentifier = null;
this.contextMenuPreviousRange = null;
this.contextMenuChecking = false;
this.scrollPrevent = false;
this.setContextMenuPrevent(false, true);
this.setMouseDownPrevent(false, true);
this.setClickPrevent(false);
}
else {
this.primaryTouchIdentifier = touch.identifier;
this.contextMenuPreviousRange = this.textSourceLast ? this.textSourceLast.clone() : null;
this.contextMenuChecking = true;
this.scrollPrevent = false;
this.setContextMenuPrevent(false, false);
this.setMouseDownPrevent(false, false);
this.setClickPrevent(false);
this.searchFromTouch(touch.clientX, touch.clientY, 'touchStart');
}
}
setContextMenuPrevent(value, delay) {
if (!delay) {
this.contextMenuPrevent = value;
}
}
setMouseDownPrevent(value, delay) {
if (!delay) {
this.mouseDownPrevent = value;
}
}
setClickPrevent(value) {
this.clickPrevent = value;
}
searchFromTouch(x, y, type) {
this.popupTimerClear();
if (!this.options.general.enable || this.pendingLookup) {
return;
}
const search = async () => {
try {
await this.searchAt({x, y}, type);
} catch (e) {
this.onError(e);
}
};
search();
}
}
window.yomichan_frontend = new Frontend();

4
ext/fg/js/popup.js
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@ -62,6 +62,7 @@ class Popup {
}
}
let above = false;
let y = 0;
let height = Math.max(containerHeight, options.general.popupHeight);
const yBelow = elementRect.bottom + options.general.popupOffset;
@ -75,11 +76,14 @@ class Popup {
} else {
height = Math.max(height - overflowAbove, 0);
y = Math.max(yAbove - height, 0);
above = true;
}
} else {
y = yBelow;
}
this.container.classList.toggle('yomichan-float-full-width', options.general.popupDisplayMode === 'full-width');
this.container.classList.toggle('yomichan-float-above', above);
this.container.style.left = `${x}px`;
this.container.style.top = `${y}px`;
this.container.style.width = `${width}px`;

4
ext/manifest.json
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@ -27,6 +27,10 @@
}],
"minimum_chrome_version": "57.0.0.0",
"options_page": "bg/settings.html",
"options_ui": {
"page": "bg/settings.html",
"open_in_tab": true
},
"permissions": [
"<all_urls>",
"storage",