Add scanOnTouchTap and improve touch scanning defaults (#791)24.4.14.0

* Add scanOnTouchTap

* Update version to 30

* Cleanup if statement

4 files changed, 31 insertions, 7 deletions

diff --git a/ext/js/data/options-util.js b/ext/js/data/options-util.js
index af81f29e..4e468aea 100644
--- a/ext/js/data/options-util.js
+++ b/ext/js/data/options-util.js
@@ -535,7 +535,8 @@ export class OptionsUtil {
             this._updateVersion26,
             this._updateVersion27,
             this._updateVersion28,
-            this._updateVersion29
+            this._updateVersion29,
+            this._updateVersion30
         ];
         /* eslint-enable @typescript-eslint/unbound-method */
         if (typeof targetVersion === 'number' && targetVersion < result.length) {
@@ -605,7 +606,7 @@ export class OptionsUtil {
             showAdvanced: false,
             searchTerms: true,
             searchKanji: true,
-            scanOnTouchMove: true,
+            scanOnTouchMove: false,
             scanOnPenHover: true,
             scanOnPenPress: true,
             scanOnPenRelease: false,
@@ -1217,6 +1218,20 @@ export class OptionsUtil {
         await this._applyAnkiFieldTemplatesPatch(options, '/data/templates/anki-field-templates-upgrade-v29.handlebars');
     }
 
+    /**
+     *  - Added scanning.inputs[].options.scanOnTouchTap.
+     *  - Set touch settings to be more sensible.
+     *  @type {import('options-util').UpdateFunction}
+     */
+    async _updateVersion30(options) {
+        for (const profile of options.profiles) {
+            for (const input of profile.options.scanning.inputs) {
+                input.options.scanOnTouchTap = true;
+                input.options.scanOnTouchPress = false;
+                input.options.scanOnTouchRelease = false;
+            }
+        }
+    }
 
     /**
      * @param {string} url
diff --git a/ext/js/display/display.js b/ext/js/display/display.js
index 80f5e9ae..10c1545c 100644
--- a/ext/js/display/display.js
+++ b/ext/js/display/display.js
@@ -1844,6 +1844,7 @@ export class Display extends EventDispatcher {
                 options: {
                     searchTerms: true,
                     searchKanji: true,
+                    scanOnTouchTap: true,
                     scanOnTouchMove: false,
                     scanOnTouchPress: false,
                     scanOnTouchRelease: false,
diff --git a/ext/js/language/text-scanner.js b/ext/js/language/text-scanner.js
index ad5ba12b..bdbc117e 100644
--- a/ext/js/language/text-scanner.js
+++ b/ext/js/language/text-scanner.js
@@ -137,6 +137,8 @@ export class TextScanner extends EventDispatcher {
         /** @type {() => void} */
         this._preventNextClickScanTimerCallback = this._onPreventNextClickScanTimeout.bind(this);
 
+        /** @type {boolean} */
+        this._touchTapValid = false;
         /** @type {?number} */
         this._primaryTouchIdentifier = null;
         /** @type {boolean} */
@@ -662,6 +664,7 @@ export class TextScanner extends EventDispatcher {
         this._preventNextContextMenu = false;
         this._preventNextMouseDown = false;
         this._preventNextClick = false;
+        this._touchTapValid = true;
 
         const selection = window.getSelection();
         if (selection !== null && isPointInSelection(x, y, selection)) {
@@ -707,9 +710,10 @@ export class TextScanner extends EventDispatcher {
         if (!allowSearch) { return; }
 
         const inputInfo = this._getMatchingInputGroupFromEvent('touch', 'touchEnd', e);
-        if (inputInfo === null || !(inputInfo.input !== null && inputInfo.input.scanOnTouchRelease)) { return; }
-
-        void this._searchAtFromTouchEnd(x, y, inputInfo);
+        if (inputInfo === null || inputInfo.input === null) { return; }
+        if (inputInfo.input.scanOnTouchRelease || (inputInfo.input.scanOnTouchTap && this._touchTapValid)) {
+            void this._searchAtFromTouchEnd(x, y, inputInfo);
+        }
     }
 
     /**
@@ -728,6 +732,8 @@ export class TextScanner extends EventDispatcher {
      * @param {TouchEvent} e
      */
     _onTouchMove(e) {
+        this._touchTapValid = false;
+
         if (this._primaryTouchIdentifier === null) { return; }
 
         if (!e.cancelable) {
@@ -1477,6 +1483,7 @@ export class TextScanner extends EventDispatcher {
             scanOnTouchMove: this._getInputBoolean(options.scanOnTouchMove),
             scanOnTouchPress: this._getInputBoolean(options.scanOnTouchPress),
             scanOnTouchRelease: this._getInputBoolean(options.scanOnTouchRelease),
+            scanOnTouchTap: this._getInputBoolean(options.scanOnTouchTap),
             scanOnPenMove: this._getInputBoolean(options.scanOnPenMove),
             scanOnPenHover: this._getInputBoolean(options.scanOnPenHover),
             scanOnPenReleaseHover: this._getInputBoolean(options.scanOnPenReleaseHover),
diff --git a/ext/js/pages/settings/scan-inputs-controller.js b/ext/js/pages/settings/scan-inputs-controller.js
index fcaad589..839a6896 100644
--- a/ext/js/pages/settings/scan-inputs-controller.js
+++ b/ext/js/pages/settings/scan-inputs-controller.js
@@ -208,8 +208,9 @@ export class ScanInputsController {
                 showAdvanced: false,
                 searchTerms: true,
                 searchKanji: true,
-                scanOnTouchMove: true,
-                scanOnTouchPress: true,
+                scanOnTouchTap: true,
+                scanOnTouchMove: false,
+                scanOnTouchPress: false,
                 scanOnTouchRelease: false,
                 scanOnPenMove: true,
                 scanOnPenHover: true,