1 files changed, 49 insertions, 0 deletions
diff --git a/src/background/repositories/SettingRepository.ts b/src/background/repositories/SettingRepository.ts
new file mode 100644
index 0000000..b522045
--- /dev/null
+++ b/src/background/repositories/SettingRepository.ts
@@ -0,0 +1,49 @@
+import SettingData from '../../shared/SettingData';
+
+export default interface SettingRepository {
+  load(): Promise<SettingData | null>;
+
+  onChange(callback: () => void): void;
+}
+
+export class LocalSettingRepository implements SettingRepository {
+  async load(): Promise<SettingData | null> {
+    const {settings} = await browser.storage.local.get('settings');
+    if (!settings) {
+      return null;
+    }
+    return SettingData.fromJSON(settings as any);
+  }
+
+  onChange(callback: () => void) {
+    browser.storage.onChanged.addListener((changes, area) => {
+      if (area !== 'local') {
+        return;
+      }
+      if (changes.settings) {
+        callback();
+      }
+    });
+  }
+}
+
+export class SyncSettingRepository implements SettingRepository {
+  async load(): Promise<SettingData | null> {
+    const {settings} = await browser.storage.sync.get('settings');
+    if (!settings) {
+      return null;
+    }
+    return SettingData.fromJSON(settings as any);
+  }
+
+  onChange(callback: () => void) {
+    browser.storage.onChanged.addListener((changes, area) => {
+      if (area !== 'sync') {
+        return;
+      }
+      if (changes.settings) {
+        callback();
+      }
+    });
+  }
+}
+\ No newline at end of file