private void processIframes()

in spring-ai-alibaba-jmanus/src/main/java/com/alibaba/cloud/ai/example/manus/tool/browser/InteractiveTextProcessor.java [97:183]
67 lines of code
13 McCabe index (conditional complexity)

	private void processIframes(WebDriver driver, String parentPath, WebElement parentIframe) {
		// 查找当前上下文中的所有iframe
		List<WebElement> iframes = driver.findElements(By.tagName("iframe"));
		log.info("找到 {} 个iframe", iframes.size());
		for (int i = 0; i < iframes.size(); i++) {

			WebElement iframe = iframes.get(i);

			// 确保iframe已加载完成
			boolean isIframeLoaded = false;
			int maxAttempts = 20; // 最大尝试次数
			int attempts = 0;
			while (!isIframeLoaded && attempts < maxAttempts) {
				try {
					// 尝试获取iframe的document.readyState
					JavascriptExecutor js = (JavascriptExecutor) driver;
					driver.switchTo().frame(iframe);
					String readyState = (String) js.executeScript("return document.readyState");
					log.info("iframe readyState: {}, attempts: {}", readyState, attempts);

					if ("complete".equals(readyState)) {
						isIframeLoaded = true;
						driver.switchTo().parentFrame(); // 切回父frame
						log.info("iframe loaded successfully");
						break;
					}

					driver.switchTo().parentFrame(); // 切回父frame
					attempts++;
					Thread.sleep(500); // 等待500毫秒
				}
				catch (Exception e) {
					log.info("等待iframe加载第{}次失败: {}", attempts, e.getMessage());
					attempts++;
					try {
						Thread.sleep(500);
					}
					catch (InterruptedException ie) {
						Thread.currentThread().interrupt();
					}
				}
			}

			if (!isIframeLoaded) {
				log.warn("iframe加载超时，跳过处理此iframe");
				return;
			}

			// 构建iframe路径
			String currentPath = parentPath.isEmpty() ? String.valueOf(i) : parentPath + "/" + i;

			try {
				// 切换到iframe
				driver.switchTo().frame(iframe);

				// 获取iframe中的交互元素并添加到缓存
				List<WebElementWrapper> iframeElements = getInteractiveElementsInner(driver);
				for (WebElementWrapper wrapper : iframeElements) {
					// 设置iframe信息
					wrapper.setIframeElement(iframe);
					wrapper.setIframePath(currentPath);
					this.interactiveElementsCache.add(wrapper);
				}

				// 递归处理嵌套iframe
				processIframes(driver, currentPath, iframe);

				// 切回父级上下文
				if (parentIframe == null) {
					driver.switchTo().defaultContent();
				}
				else {
					driver.switchTo().parentFrame();
				}
			}
			catch (Exception e) {
				log.warn("处理iframe失败，路径: {}, 错误: {}", currentPath, e.getMessage());
				// 确保即使处理某个iframe失败，也回到正确的上下文
				if (parentIframe == null) {
					driver.switchTo().defaultContent();
				}
				else {
					driver.switchTo().parentFrame();
				}
			}
		}
	}