Split source.js into two files (#894)

8 files changed, 134 insertions, 121 deletions

diff --git a/dev/data/manifest-variants.json b/dev/data/manifest-variants.json
index 9b5793eb..b8f5c09d 100644
--- a/dev/data/manifest-variants.json
+++ b/dev/data/manifest-variants.json
@@ -49,7 +49,8 @@
                     "mixed/js/document-util.js",
                     "fg/js/dom-text-scanner.js",
                     "fg/js/popup.js",
-                    "fg/js/source.js",
+                    "fg/js/text-source-range.js",
+                    "fg/js/text-source-element.js",
                     "fg/js/popup-factory.js",
                     "fg/js/frame-offset-forwarder.js",
                     "fg/js/popup-proxy.js",
diff --git a/ext/bg/search.html b/ext/bg/search.html
index 8b787a18..b1fb7663 100644
--- a/ext/bg/search.html
+++ b/ext/bg/search.html
@@ -78,7 +78,8 @@
         <script src="/mixed/js/cache-map.js"></script>
         <script src="/mixed/js/document-util.js"></script>
         <script src="/fg/js/dom-text-scanner.js"></script>
-        <script src="/fg/js/source.js"></script>
+        <script src="/fg/js/text-source-range.js"></script>
+        <script src="/fg/js/text-source-element.js"></script>
         <script src="/mixed/js/audio-system.js"></script>
         <script src="/mixed/js/dictionary-data-util.js"></script>
         <script src="/mixed/js/display.js"></script>
diff --git a/ext/bg/settings-popup-preview.html b/ext/bg/settings-popup-preview.html
index 59924a27..6487bd25 100644
--- a/ext/bg/settings-popup-preview.html
+++ b/ext/bg/settings-popup-preview.html
@@ -129,7 +129,8 @@
         <script src="/mixed/js/document-util.js"></script>
         <script src="/fg/js/dom-text-scanner.js"></script>
         <script src="/fg/js/popup.js"></script>
-        <script src="/fg/js/source.js"></script>
+        <script src="/fg/js/text-source-range.js"></script>
+        <script src="/fg/js/text-source-element.js"></script>
         <script src="/fg/js/popup-factory.js"></script>
         <script src="/fg/js/frontend.js"></script>
         <script src="/fg/js/frame-offset-forwarder.js"></script>
diff --git a/ext/fg/float.html b/ext/fg/float.html
index 2c15f0d2..df85bc62 100644
--- a/ext/fg/float.html
+++ b/ext/fg/float.html
@@ -53,7 +53,8 @@
         <script src="/mixed/js/cache-map.js"></script>
         <script src="/mixed/js/document-util.js"></script>
         <script src="/fg/js/dom-text-scanner.js"></script>
-        <script src="/fg/js/source.js"></script>
+        <script src="/fg/js/text-source-range.js"></script>
+        <script src="/fg/js/text-source-element.js"></script>
         <script src="/mixed/js/audio-system.js"></script>
         <script src="/mixed/js/dictionary-data-util.js"></script>
         <script src="/mixed/js/display.js"></script>
diff --git a/ext/fg/js/text-source-element.js b/ext/fg/js/text-source-element.js
new file mode 100644
index 00000000..16ac5cd5
--- /dev/null
+++ b/ext/fg/js/text-source-element.js
@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2016-2020  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/>.
+ */
+
+class TextSourceElement {
+    constructor(element, fullContent=null, startOffset=0, endOffset=0) {
+        this._element = element;
+        this._fullContent = (typeof fullContent === 'string' ? fullContent : TextSourceElement.getElementContent(element));
+        this._startOffset = startOffset;
+        this._endOffset = endOffset;
+        this._content = this._fullContent.substring(this._startOffset, this._endOffset);
+    }
+
+    get element() {
+        return this._element;
+    }
+
+    get fullContent() {
+        return this._fullContent;
+    }
+
+    get startOffset() {
+        return this._startOffset;
+    }
+
+    get endOffset() {
+        return this._endOffset;
+    }
+
+    clone() {
+        return new TextSourceElement(this._element, this._fullContent, this._startOffset, this._endOffset);
+    }
+
+    cleanup() {
+        // NOP
+    }
+
+    text() {
+        return this._content;
+    }
+
+    setEndOffset(length, fromEnd=false) {
+        if (fromEnd) {
+            const delta = Math.min(this._fullContent.length - this._endOffset, length);
+            this._endOffset += delta;
+            this._content = this._fullContent.substring(this._startOffset, this._endOffset);
+            return delta;
+        } else {
+            const delta = Math.min(this._fullContent.length - this._startOffset, length);
+            this._endOffset = this._startOffset + delta;
+            this._content = this._fullContent.substring(this._startOffset, this._endOffset);
+            return delta;
+        }
+    }
+
+    setStartOffset(length) {
+        const delta = Math.min(this._startOffset, length);
+        this._startOffset -= delta;
+        this._content = this._fullContent.substring(this._startOffset, this._endOffset);
+        return delta;
+    }
+
+    getRect() {
+        return this._element.getBoundingClientRect();
+    }
+
+    getWritingMode() {
+        return 'horizontal-tb';
+    }
+
+    select() {
+        // NOP
+    }
+
+    deselect() {
+        // NOP
+    }
+
+    equals(other) {
+        return (
+            typeof other === 'object' &&
+            other !== null &&
+            other instanceof TextSourceElement &&
+            this._element === other.element &&
+            this._fullContent === other.fullContent &&
+            this._startOffset === other.startOffset
+        );
+    }
+
+    static getElementContent(element) {
+        let content;
+        switch (element.nodeName.toUpperCase()) {
+            case 'BUTTON':
+                content = element.textContent;
+                break;
+            case 'IMG':
+                content = element.getAttribute('alt') || '';
+                break;
+            default:
+                content = `${element.value}`;
+                break;
+        }
+
+        // Remove zero-width non-joiner
+        content = content.replace(/\u200c/g, '');
+
+        return content;
+    }
+}
diff --git a/ext/fg/js/source.js b/ext/fg/js/text-source-range.js
index 70f14179..86a57ae1 100644
--- a/ext/fg/js/source.js
+++ b/ext/fg/js/text-source-range.js
@@ -19,10 +19,6 @@
  * DOMTextScanner
  */
 
-/*
- * TextSourceRange
- */
-
 class TextSourceRange {
     constructor(range, content, imposterContainer, imposterSourceElement) {
         this.range = range;
@@ -151,114 +147,3 @@ class TextSourceRange {
         }
     }
 }
-
-
-/*
- * TextSourceElement
- */
-
-class TextSourceElement {
-    constructor(element, fullContent=null, startOffset=0, endOffset=0) {
-        this._element = element;
-        this._fullContent = (typeof fullContent === 'string' ? fullContent : TextSourceElement.getElementContent(element));
-        this._startOffset = startOffset;
-        this._endOffset = endOffset;
-        this._content = this._fullContent.substring(this._startOffset, this._endOffset);
-    }
-
-    get element() {
-        return this._element;
-    }
-
-    get fullContent() {
-        return this._fullContent;
-    }
-
-    get startOffset() {
-        return this._startOffset;
-    }
-
-    get endOffset() {
-        return this._endOffset;
-    }
-
-    clone() {
-        return new TextSourceElement(this._element, this._fullContent, this._startOffset, this._endOffset);
-    }
-
-    cleanup() {
-        // NOP
-    }
-
-    text() {
-        return this._content;
-    }
-
-    setEndOffset(length, fromEnd=false) {
-        if (fromEnd) {
-            const delta = Math.min(this._fullContent.length - this._endOffset, length);
-            this._endOffset += delta;
-            this._content = this._fullContent.substring(this._startOffset, this._endOffset);
-            return delta;
-        } else {
-            const delta = Math.min(this._fullContent.length - this._startOffset, length);
-            this._endOffset = this._startOffset + delta;
-            this._content = this._fullContent.substring(this._startOffset, this._endOffset);
-            return delta;
-        }
-    }
-
-    setStartOffset(length) {
-        const delta = Math.min(this._startOffset, length);
-        this._startOffset -= delta;
-        this._content = this._fullContent.substring(this._startOffset, this._endOffset);
-        return delta;
-    }
-
-    getRect() {
-        return this._element.getBoundingClientRect();
-    }
-
-    getWritingMode() {
-        return 'horizontal-tb';
-    }
-
-    select() {
-        // NOP
-    }
-
-    deselect() {
-        // NOP
-    }
-
-    equals(other) {
-        return (
-            typeof other === 'object' &&
-            other !== null &&
-            other instanceof TextSourceElement &&
-            this._element === other.element &&
-            this._fullContent === other.fullContent &&
-            this._startOffset === other.startOffset
-        );
-    }
-
-    static getElementContent(element) {
-        let content;
-        switch (element.nodeName.toUpperCase()) {
-            case 'BUTTON':
-                content = element.textContent;
-                break;
-            case 'IMG':
-                content = element.getAttribute('alt') || '';
-                break;
-            default:
-                content = `${element.value}`;
-                break;
-        }
-
-        // Remove zero-width non-joiner
-        content = content.replace(/\u200c/g, '');
-
-        return content;
-    }
-}
diff --git a/ext/manifest.json b/ext/manifest.json
index d267e62d..a4b2f89c 100644
--- a/ext/manifest.json
+++ b/ext/manifest.json
@@ -48,7 +48,8 @@
                 "mixed/js/document-util.js",
                 "fg/js/dom-text-scanner.js",
                 "fg/js/popup.js",
-                "fg/js/source.js",
+                "fg/js/text-source-range.js",
+                "fg/js/text-source-element.js",
                 "fg/js/popup-factory.js",
                 "fg/js/frame-offset-forwarder.js",
                 "fg/js/popup-proxy.js",
diff --git a/test/test-document-util.js b/test/test-document-util.js
index 4489bdf1..99eea3ab 100644
--- a/test/test-document-util.js
+++ b/test/test-document-util.js
@@ -94,7 +94,8 @@ async function testDocument1() {
     const vm = new VM({document, window, Range, Node});
     vm.execute([
         'fg/js/dom-text-scanner.js',
-        'fg/js/source.js',
+        'fg/js/text-source-range.js',
+        'fg/js/text-source-element.js',
         'mixed/js/document-util.js'
     ]);
     const [DOMTextScanner, TextSourceRange, TextSourceElement, DocumentUtil] = vm.get([