add interface injectOfflineResource

Signed-off-by: taozhuowei <taozhuowei@huawei.com>

api/@ohos.web.webview.d.ts

@@ -2469,6 +2469,90 @@ declare namespace webview {
     responseHeaders: Array<WebHeader>;
   }
 
+  /**
+   * Enum type supplied to {@link OfflineResourceMap} for indicating the type of resource.
+   * @enum {number}
+   * @syscap SystemCapability.Web.Webview.Core
+   * @since 12
+   */
+  enum OfflineResourceType {
+    /**
+     * Image resource
+     * 
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    IMAGE,
+
+    /**
+     * CSS resource
+     * 
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    CSS,
+
+    /**
+     * Classic javascript resource
+     * 
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    CLASSIC_JS,
+
+    /**
+     * Module javascript resource
+     * 
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    MODULE_JS
+  }
+
+  /**
+   * Define offline resource's content and info.
+   * @interface OfflineResourceMap
+   * @syscap SystemCapability.Web.Webview.Core
+   * @since 12
+   */
+  interface OfflineResourceMap {
+    /**
+     * Url list of resource.
+     *
+     * @type { Array<string> }
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    urlList: Array<string>,
+
+    /**
+     * Arraybuffer of resource.
+     * 
+     * @type { Uint8Array }
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    resource: Uint8Array,
+
+    /**
+     * Response headers of resource.
+     *
+     * @type { Array<WebHeader> }
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    responseHeaders: Array<WebHeader>,
+
+    /**
+     * Resource type
+     *
+     * @type { OfflineResourceType }
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    type: OfflineResourceType
+  }
+
   /**
    * Provides methods for controlling the web controller.
    * @syscap SystemCapability.Web.Webview.Core
@@ -4547,6 +4631,15 @@ declare namespace webview {
      * @since 12
      */
     static warmupServiceWorker(url: string): void;
+
+    /**
+     * Inject offline resources into cache.
+     *
+     * @param { Array<OfflineResourceMap> } resourceMaps - array of offline resource info maps.
+     * @syscap SystemCapability.Web.Webview.Core
+     * @since 12
+     */
+    injectOfflineResources(resourceMaps: Array<OfflineResourceMap>): void;
   }
 
   /**