1 files changed, 118 insertions, 0 deletions
diff --git a/toolkit/modules/InlineSpellCheckerContent.sys.mjs b/toolkit/modules/InlineSpellCheckerContent.sys.mjs
new file mode 100644
index 0000000000..b236d76dff
--- /dev/null
+++ b/toolkit/modules/InlineSpellCheckerContent.sys.mjs
@@ -0,0 +1,118 @@
+/* vim: set ts=2 sw=2 sts=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import {
+  InlineSpellChecker,
+  SpellCheckHelper,
+} from "resource://gre/modules/InlineSpellChecker.sys.mjs";
+
+export var InlineSpellCheckerContent = {
+  _spellChecker: null,
+  _actor: null,
+
+  async initContextMenu(event, editFlags, actor) {
+    this._actor = actor;
+    this._actor.registerDestructionObserver(this);
+
+    let spellChecker;
+    if (!(editFlags & (SpellCheckHelper.TEXTAREA | SpellCheckHelper.INPUT))) {
+      // Get the editor off the window.
+      let win = event.target.ownerGlobal;
+      let editingSession = win.docShell.editingSession;
+      spellChecker = this._spellChecker = new InlineSpellChecker(
+        editingSession.getEditorForWindow(win)
+      );
+    } else {
+      // Use the element's editor.
+      spellChecker = this._spellChecker = new InlineSpellChecker(
+        event.composedTarget.editor
+      );
+    }
+
+    this._spellChecker.initFromEvent(event.rangeParent, event.rangeOffset);
+
+    if (!spellChecker.canSpellCheck) {
+      return {
+        canSpellCheck: false,
+        initialSpellCheckPending: true,
+        enableRealTimeSpell: false,
+      };
+    }
+
+    if (!spellChecker.mInlineSpellChecker.enableRealTimeSpell) {
+      return {
+        canSpellCheck: true,
+        initialSpellCheckPending: spellChecker.initialSpellCheckPending,
+        enableRealTimeSpell: false,
+      };
+    }
+
+    if (spellChecker.initialSpellCheckPending) {
+      return {
+        canSpellCheck: true,
+        initialSpellCheckPending: true,
+        enableRealTimeSpell: true,
+      };
+    }
+
+    let realSpellChecker = spellChecker.mInlineSpellChecker.spellChecker;
+    let dictionaryList = realSpellChecker.GetDictionaryList();
+    let spellSuggestions = await this._generateSpellSuggestions();
+
+    return {
+      canSpellCheck: spellChecker.canSpellCheck,
+      initialSpellCheckPending: spellChecker.initialSpellCheckPending,
+      enableRealTimeSpell: spellChecker.enabled,
+      overMisspelling: spellChecker.overMisspelling,
+      misspelling: spellChecker.mMisspelling,
+      spellSuggestions,
+      currentDictionaries: spellChecker.mInlineSpellChecker.spellChecker.getCurrentDictionaries(),
+      dictionaryList,
+    };
+  },
+
+  uninitContextMenu() {
+    if (this._actor) {
+      this._actor.unregisterDestructionObserver(this);
+    }
+    this._actor = null;
+    this._spellChecker = null;
+  },
+
+  actorDestroyed() {
+    this.uninitContextMenu();
+  },
+
+  async _generateSpellSuggestions() {
+    let spellChecker = this._spellChecker.mInlineSpellChecker.spellChecker;
+    let suggestions = null;
+    try {
+      suggestions = await spellChecker.suggest(
+        this._spellChecker.mMisspelling,
+        5
+      );
+    } catch (e) {
+      return [];
+    }
+
+    return suggestions;
+  },
+
+  selectDictionaries(localeCodes) {
+    this._spellChecker.selectDictionaries(localeCodes);
+  },
+
+  replaceMisspelling(suggestion) {
+    this._spellChecker.replaceMisspelling(suggestion);
+  },
+
+  toggleEnabled() {
+    this._spellChecker.toggleEnabled();
+  },
+
+  recheck() {
+    this._spellChecker.mInlineSpellChecker.enableRealTimeSpell = true;
+  },
+};