Refactor text scanner options context generation (#1225)

* Refactor how options context is created and updated

* Udpate TextScanner/QueryParser to use getSearchContext instead of getOptionsContext

2 files changed, 15 insertions, 7 deletions

diff --git a/ext/mixed/js/display.js b/ext/mixed/js/display.js
index ea30030c..509683a6 100644
--- a/ext/mixed/js/display.js
+++ b/ext/mixed/js/display.js
@@ -82,7 +82,7 @@ class Display extends EventDispatcher {
         this._queryParserVisibleOverride = null;
         this._queryParserContainer = document.querySelector('#query-parser-container');
         this._queryParser = new QueryParser({
-            getOptionsContext: this.getOptionsContext.bind(this),
+            getSearchContext: this._getSearchContext.bind(this),
             documentUtil: this._documentUtil
         });
         this._mode = null;
@@ -1764,7 +1764,7 @@ class Display extends EventDispatcher {
         if (this._definitionTextScanner === null) {
             this._definitionTextScanner = new TextScanner({
                 node: window,
-                getOptionsContext: this.getOptionsContext.bind(this),
+                getSearchContext: this._getSearchContext.bind(this),
                 documentUtil: this._documentUtil,
                 searchTerms: true,
                 searchKanji: false,
@@ -1861,6 +1861,10 @@ class Display extends EventDispatcher {
         }
     }
 
+    _getSearchContext() {
+        return {optionsContext: this.getOptionsContext()};
+    }
+
     _startFrameResize(e) {
         if (this._frameResizeToken !== null) { return; }
 
diff --git a/ext/mixed/js/text-scanner.js b/ext/mixed/js/text-scanner.js
index 11a6f88f..98d87341 100644
--- a/ext/mixed/js/text-scanner.js
+++ b/ext/mixed/js/text-scanner.js
@@ -24,7 +24,7 @@ class TextScanner extends EventDispatcher {
     constructor({
         node,
         documentUtil,
-        getOptionsContext,
+        getSearchContext,
         ignoreElements=null,
         ignorePoint=null,
         searchTerms=false,
@@ -35,7 +35,7 @@ class TextScanner extends EventDispatcher {
         super();
         this._node = node;
         this._documentUtil = documentUtil;
-        this._getOptionsContext = getOptionsContext;
+        this._getSearchContext = getSearchContext;
         this._ignoreElements = ignoreElements;
         this._ignorePoint = ignorePoint;
         this._searchTerms = searchTerms;
@@ -290,8 +290,8 @@ class TextScanner extends EventDispatcher {
 
     // Private
 
-    async _getOptionsContextForInput(inputInfo) {
-        const optionsContext = clone(await this._getOptionsContext());
+    _createOptionsContextForInput(baseOptionsContext, inputInfo) {
+        const optionsContext = clone(baseOptionsContext);
         const {modifiers, modifierKeys} = inputInfo;
         optionsContext.modifiers = [...modifiers];
         optionsContext.modifierKeys = [...modifierKeys];
@@ -305,13 +305,16 @@ class TextScanner extends EventDispatcher {
         let error = null;
         let searched = false;
         let optionsContext = null;
+        let detail = null;
 
         try {
             if (this._textSourceCurrent !== null && this._textSourceCurrent.hasSameStart(textSource)) {
                 return;
             }
 
-            optionsContext = await this._getOptionsContextForInput(inputInfo);
+            ({optionsContext, detail} = await this._getSearchContext());
+            optionsContext = this._createOptionsContextForInput(optionsContext, inputInfo);
+
             searched = true;
 
             const result = await this._findDefinitions(textSource, searchTerms, searchKanji, optionsContext);
@@ -334,6 +337,7 @@ class TextScanner extends EventDispatcher {
             inputInfo,
             textSource,
             optionsContext,
+            detail,
             error
         });
     }