feat(browser): 添加 JCEF 浏览器窗口功能
- 新增 BrowserWindow 类实现浏览器窗口功能- 添加 WindowOperation、WindowOperationHandler 和 WindowRegistry 类用于窗口操作管理 - 在 MainApplication 中使用 JCEF 创建主窗口 - 实现了窗口创建、关闭等基本操作
This commit is contained in:
tzdwindows 7
369
src/main/java/com/axis/innovators/box/browser/BrowserWindow.java
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369
src/main/java/com/axis/innovators/box/browser/BrowserWindow.java
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package com.axis.innovators.box.browser;
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import com.axis.innovators.box.tools.FolderCreator;
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import org.cef.*;
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import org.cef.browser.*;
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import org.cef.callback.CefQueryCallback;
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import org.cef.handler.*;
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import javax.swing.*;
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import java.awt.*;
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import java.awt.event.*;
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import java.io.File;
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import java.net.MalformedURLException;
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import java.util.Arrays;
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import java.util.UUID;
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import java.util.function.Consumer;
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public class BrowserWindow extends JFrame {
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private final String windowId;
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private CefApp cefApp;
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private CefClient client;
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private CefBrowser browser;
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private final Component browserComponent;
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private final String htmlPath;
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private static boolean isInitialized = false;
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private WindowOperationHandler operationHandler;
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private static Thread cefThread;
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private CefMessageRouter msgRouter;
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public static class Builder {
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private String windowId;
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private String title = "JCEF Window";
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private Dimension size = new Dimension(800, 600);
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private WindowOperationHandler operationHandler;
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private String htmlPath;
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private Image icon;
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public Builder(String windowId) {
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this.windowId = windowId;
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}
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public Builder title(String title) {
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this.title = title;
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return this;
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}
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public Builder size(int width, int height) {
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this.size = new Dimension(width, height);
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return this;
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}
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public Builder operationHandler(WindowOperationHandler handler) {
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this.operationHandler = handler;
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return this;
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}
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public Builder icon(Image icon) {
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this.icon = icon;
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return this;
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}
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public BrowserWindow build() {
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if (this.htmlPath == null || this.htmlPath.isEmpty()) {
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throw new IllegalArgumentException("HTML paths cannot be empty");
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}
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File htmlFile = new File(this.htmlPath);
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if (!htmlFile.exists()) {
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throw new RuntimeException("The HTML file does not exist: " + htmlFile.getAbsolutePath());
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}
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return new BrowserWindow(this);
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}
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public Builder htmlPath(String path) {
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this.htmlPath = path;
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return this;
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}
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}
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private BrowserWindow(Builder builder) {
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this.windowId = builder.windowId;
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this.htmlPath = builder.htmlPath;
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this.operationHandler = builder.operationHandler;
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if (builder.icon != null) {
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setIconImage(builder.icon);
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}
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try {
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this.browserComponent = initializeCef(builder);
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if (operationHandler != null) {
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setupMessageHandlers(operationHandler);
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}
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} catch (Exception e) {
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JOptionPane.showMessageDialog(this, "初始化失败: " + e.getMessage());
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//System.exit(1);
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throw new RuntimeException(e);
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}
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}
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private Component initializeCef(Builder builder) throws MalformedURLException {
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if (!isInitialized && CefApp.getState() != CefApp.CefAppState.INITIALIZED) {
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try {
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// 1. 初始化CEF设置（禁用多窗口）
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CefSettings settings = new CefSettings();
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settings.windowless_rendering_enabled = false;
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settings.javascript_flags = "--expose-gc";
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settings.log_severity = CefSettings.LogSeverity.LOGSEVERITY_VERBOSE;
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String subprocessPath = FolderCreator.getLibraryFolder() + "/jcef/lib/win64/jcef_helper.exe";
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// 验证子进程路径
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if (!new File(subprocessPath).exists()) {
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throw new IllegalStateException("jcef_helper.exe not found at: " + subprocessPath);
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}
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settings.browser_subprocess_path = subprocessPath;
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System.out.println("Subprocess Path: " + settings.browser_subprocess_path);
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// 2. 创建CefApp和Client（严格单例）
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cefApp = CefApp.getInstance(settings);
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client = cefApp.createClient();
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client.addDisplayHandler(new CefDisplayHandler (){
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@Override
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public void onAddressChange(CefBrowser browser, CefFrame frame, String url) {
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}
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@Override
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public void onTitleChange(CefBrowser browser, String title) {
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}
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@Override
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public void OnFullscreenModeChange(CefBrowser browser, boolean fullscreen) {
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}
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@Override
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public boolean onTooltip(CefBrowser browser, String text) {
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return false;
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}
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@Override
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public void onStatusMessage(CefBrowser browser, String value) {
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}
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@Override
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public boolean onConsoleMessage(
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CefBrowser browser,
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CefSettings.LogSeverity level,
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String message,
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String source,
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int line
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) {
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// 格式化输出到 Java 控制台
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String log = String.format(
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"[Browser Console] %s %s (Line %d) -> %s",
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getLogLevelSymbol(level),
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source,
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line,
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message
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);
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System.out.println(log);
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return false;
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}
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@Override
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public boolean onCursorChange(CefBrowser browser, int cursorType) {
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return false;
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}
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private String getLogLevelSymbol(CefSettings.LogSeverity level) {
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switch (level) {
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case LOGSEVERITY_ERROR: return "⛔";
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case LOGSEVERITY_WARNING: return "⚠️";
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case LOGSEVERITY_DEFAULT: return "🐞";
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default: return "ℹ️";
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}
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}
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});
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// 3. 拦截所有新窗口（关键修复点！）
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//client.addLifeSpanHandler(new CefLifeSpanHandlerAdapter() {
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// @Override
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// public boolean onBeforePopup(CefBrowser browser,
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// CefFrame frame, String target_url, String target_frame_name) {
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// return true; // 返回true表示拦截弹窗
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// }
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//});
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Thread.currentThread().setName("BrowserRenderThread");
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// 4. 加载HTML
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String fileUrl = new File(htmlPath).toURI().toURL().toString();
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System.out.println("Loading HTML from: " + fileUrl);
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// 5. 创建浏览器组件（直接添加到内容面板）
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browser = client.createBrowser(fileUrl, false, false);
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Component browserComponent = browser.getUIComponent();
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browser.executeJavaScript("console.log('Java -> HTML 消息测试')",null,2);
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CefMessageRouter.CefMessageRouterConfig config = new CefMessageRouter.CefMessageRouterConfig();
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config.jsQueryFunction = "javaQuery";// 定义方法
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config.jsCancelFunction = "javaQueryCancel";// 定义取消方法
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// 6. 配置窗口布局（确保只添加一次）
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SwingUtilities.invokeLater(() -> {
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getContentPane().removeAll(); // 清空已有组件
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getContentPane().setLayout(new BorderLayout());
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// 透明拖拽层（仅顶部可拖拽）
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JPanel dragPanel = new JPanel(new BorderLayout());
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dragPanel.setOpaque(false);
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JPanel titleBar = new JPanel();
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titleBar.setOpaque(false);
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titleBar.setPreferredSize(new Dimension(builder.size.width, 20));
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final Point[] dragStart = new Point[1];
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titleBar.addMouseListener(new MouseAdapter() {
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@Override
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public void mousePressed(MouseEvent e) {
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dragStart[0] = e.getPoint();
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}
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@Override
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public void mouseReleased(MouseEvent e) {
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dragStart[0] = null;
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}
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});
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titleBar.addMouseMotionListener(new MouseMotionAdapter() {
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@Override
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public void mouseDragged(MouseEvent e) {
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if (dragStart[0] != null) {
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Point curr = e.getLocationOnScreen();
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setLocation(curr.x - dragStart[0].x, curr.y - dragStart[0].y);
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}
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}
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});
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dragPanel.add(titleBar, BorderLayout.NORTH);
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getContentPane().add(dragPanel, BorderLayout.CENTER);
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getContentPane().add(browserComponent, BorderLayout.CENTER);
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// 7. 窗口属性设置
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setTitle(builder.title);
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setSize(builder.size); // 直接设置尺寸，避免pack()计算错误
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setLocationRelativeTo(null);
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setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
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// 8. 资源释放
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addWindowListener(new WindowAdapter() {
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@Override
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public void windowClosed(WindowEvent e) {
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browser.close(true); // 强制关闭浏览器
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client.dispose();
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cefApp.dispose();
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isInitialized = false;
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}
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});
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setVisible(true);
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isInitialized = true;
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});
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return browserComponent;
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} catch (Exception e) {
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e.printStackTrace();
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isInitialized = false;
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JOptionPane.showMessageDialog(null, "初始化失败: " + e.getMessage(), "错误", JOptionPane.ERROR_MESSAGE);
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System.exit(1);
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}
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} else {
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SwingUtilities.invokeLater(() -> {
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dispose();
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});
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}
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return null;
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}
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public static void printStackTrace() {
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StackTraceElement[] stackTrace = Thread.currentThread().getStackTrace();
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for (int i = 2; i < stackTrace.length; i++) {
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StackTraceElement element = stackTrace[i];
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System.out.println(element.getClassName() + "." + element.getMethodName() +
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"(" + (element.getFileName() != null ? element.getFileName() : "Unknown Source") +
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":" + element.getLineNumber() + ")");
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}
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}
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@Override
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public void setVisible(boolean b) {
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super.setVisible(b);
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}
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public Component getBrowserComponent() {
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return browserComponent;
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}
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private void setupMessageHandlers(WindowOperationHandler handler) {
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if (client != null) {
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msgRouter = CefMessageRouter.create();
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msgRouter.addHandler(new CefMessageRouterHandlerAdapter() {
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@Override
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public boolean onQuery(CefBrowser browser,
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CefFrame frame,
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long queryId,
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String request,
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boolean persistent,
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CefQueryCallback callback) {
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if (request.startsWith("system:")) {
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String[] parts = request.split(":");
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String operation = parts.length >= 2 ? parts[1] : null;
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String targetWindow = parts.length > 2 ? parts[2] : null;
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handler.handleOperation(
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new WindowOperation(operation, targetWindow, callback) // [!code ++]
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);
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return true;
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}
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if (request.startsWith("java-response:")) {
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String[] parts = request.split(":");
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String requestId = parts[1];
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String responseData = parts.length > 2 ? parts[2] : "";
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Consumer<String> handler = WindowRegistry.getInstance().getCallback(requestId);
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if (handler != null) {
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handler.accept(responseData);
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callback.success("");
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} else {
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callback.failure(-1, "无效的请求ID");
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}
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return true;
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}
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return false;
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}
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}, true);
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client.addMessageRouter(msgRouter);
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}
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}
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public String getWindowId() {
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return windowId;
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}
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/**
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* 获取消息路由器
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* @return 消息路由器
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*/
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public CefMessageRouter getMsgRouter() {
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return msgRouter;
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}
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/**
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* 获取浏览器对象
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* @return 浏览器对象
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*/
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public CefBrowser getBrowser() {
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return browser;
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}
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public void closeWindow() {
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SwingUtilities.invokeLater(() -> {
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if (browser != null) {
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browser.close(true);
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}
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dispose();
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cefApp.dispose();
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WindowRegistry.getInstance().unregisterWindow(windowId);
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});
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}
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}
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@@ -0,0 +1,34 @@
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package com.axis.innovators.box.browser;
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import javax.swing.*;
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/**
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* 这是一个简单的示例程序，用于展示如何使用JCEF来创建一个简单的浏览器窗口。
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*/
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public class MainApplication {
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public static void main(String[] args) {
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SwingUtilities.invokeLater(() -> {
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//if (!CefApp.startup(args)) {
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// System.out.println("Startup initialization failed!");
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// return;
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//}
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WindowRegistry.getInstance().createNewWindow("main", builder ->
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builder.title("Axis Innovators Box")
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.size(1280, 720)
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.htmlPath("C:\\Users\\Administrator\\MCreatorWorkspaces\\AxisInnovatorsBox\\src\\main\\java\\com\\axis\\innovators\\box\\browser\\main.html")
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.operationHandler(createOperationHandler())
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.build()
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);
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});
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}
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private static WindowOperationHandler createOperationHandler() {
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return new WindowOperationHandler.Builder()
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.withDefaultOperations()
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.onOperation("我是注册的指令", s -> {
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})
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.build();
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}
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}
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@@ -0,0 +1,27 @@
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package com.axis.innovators.box.browser;
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import org.cef.callback.CefQueryCallback;
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public class WindowOperation {
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private final String type;
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private final String targetWindow;
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private final CefQueryCallback callback;
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public WindowOperation(String type, String targetWindow, CefQueryCallback callback) { // [!code ++]
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this.type = type;
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this.targetWindow = targetWindow;
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this.callback = callback; // [!code ++]
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}
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public String getType() {
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return type;
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}
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public String getTargetWindow() {
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return targetWindow;
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}
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public CefQueryCallback getCallback() {
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return callback;
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}
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}
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@@ -0,0 +1,94 @@
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package com.axis.innovators.box.browser;
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import javax.swing.*;
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import java.awt.*;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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import java.util.function.Consumer;
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/**
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* @author tzdwindows 7
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*/
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public class WindowOperationHandler {
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private final WindowRegistry registry;
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private final Map<String, Consumer<String>> operations;
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private final Component attachedComponent;
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public static class Builder {
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private WindowRegistry registry = WindowRegistry.getInstance();
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private final Map<String, Consumer<String>> operations = new ConcurrentHashMap<>();
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private Component attachedComponent;
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public Builder attachTo(Component component) {
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this.attachedComponent = component;
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return this;
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}
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public Builder withDefaultOperations() {
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this.operations.put("open", target -> {
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registry.getWindow(target).setVisible(true);
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});
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this.operations.put("close", target -> {
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if (target != null) {
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System.out.println("Close window: " + target);
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registry.unregisterWindow(target);
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} else if (attachedComponent != null) {
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Window window = SwingUtilities.getWindowAncestor(attachedComponent);
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if (window instanceof BrowserWindow) {
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((BrowserWindow) window).closeWindow();
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}
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}
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});
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return this;
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}
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public Builder onOperation(String operation, Consumer<String> handler) {
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this.operations.put(operation, handler);
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return this;
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}
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public WindowOperationHandler build() {
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return new WindowOperationHandler(this);
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}
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private void handleOpen(String targetWindow) {
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registry.createNewWindow(targetWindow, builder ->
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builder.title("New Window")
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);
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}
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private void handleClose(String targetWindow) {
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if (targetWindow != null) {
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registry.unregisterWindow(targetWindow);
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} else {
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handleCurrentWindowClose();
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}
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}
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private void handleCurrentWindowClose() {
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if (attachedComponent != null) {
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BrowserWindow currentWindow = (BrowserWindow)
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SwingUtilities.getWindowAncestor(attachedComponent);
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if (currentWindow != null) {
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registry.unregisterWindow(currentWindow.getWindowId());
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}
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}
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}
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}
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||||
private WindowOperationHandler(Builder builder) {
|
||||
this.registry = builder.registry;
|
||||
this.attachedComponent = builder.attachedComponent;
|
||||
this.operations = new ConcurrentHashMap<>(builder.operations);
|
||||
}
|
||||
|
||||
public void handleOperation(WindowOperation operation) {
|
||||
Consumer<String> handler = operations.get(operation.getType());
|
||||
if (handler != null) {
|
||||
handler.accept(operation.getTargetWindow());
|
||||
operation.getCallback().success("操作成功: " + operation.getType());
|
||||
} else {
|
||||
operation.getCallback().failure(-1, "未定义的操作: " + operation.getType());
|
||||
}
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,51 @@
|
||||
package com.axis.innovators.box.browser;
|
||||
|
||||
import java.util.Map;
|
||||
import java.util.concurrent.*;
|
||||
import java.util.function.Consumer;
|
||||
|
||||
public class WindowRegistry {
|
||||
private static WindowRegistry instance;
|
||||
private final ConcurrentMap<String, BrowserWindow> windows =
|
||||
new ConcurrentHashMap<>();
|
||||
private final Map<String, Consumer<String>> callbacks = new ConcurrentHashMap<>();
|
||||
|
||||
private WindowRegistry() {}
|
||||
|
||||
public static synchronized WindowRegistry getInstance() {
|
||||
if (instance == null) {
|
||||
instance = new WindowRegistry();
|
||||
}
|
||||
return instance;
|
||||
}
|
||||
|
||||
public void registerWindow(BrowserWindow window) {
|
||||
windows.put(window.getWindowId(), window);
|
||||
}
|
||||
|
||||
public void registerCallback(String requestId, Consumer<String> handler) {
|
||||
callbacks.put(requestId, handler);
|
||||
}
|
||||
|
||||
public Consumer<String> getCallback(String requestId) {
|
||||
return callbacks.remove(requestId);
|
||||
}
|
||||
|
||||
public void unregisterWindow(String windowId) {
|
||||
BrowserWindow window = windows.remove(windowId);
|
||||
if (window != null) {
|
||||
window.closeWindow();
|
||||
}
|
||||
}
|
||||
|
||||
public BrowserWindow getWindow(String windowId) {
|
||||
return windows.get(windowId);
|
||||
}
|
||||
|
||||
public void createNewWindow(String windowId, Consumer<BrowserWindow.Builder> config) {
|
||||
BrowserWindow.Builder builder = new BrowserWindow.Builder(windowId);
|
||||
config.accept(builder);
|
||||
BrowserWindow window = builder.build();
|
||||
registerWindow(window);
|
||||
}
|
||||
}
|
||||
13
src/main/java/com/axis/innovators/box/browser/main.html
Normal file
13
src/main/java/com/axis/innovators/box/browser/main.html
Normal file
@@ -0,0 +1,13 @@
|
||||
<script>
|
||||
// 必须定义此函数以接收 Java 消息
|
||||
function javaMessageReceived(requestId, message) {
|
||||
console.log("[HTML] 收到 Java 消息:", requestId, message);
|
||||
// 示例：将消息转为大写并返回
|
||||
const response = message.toUpperCase();
|
||||
window.cefQuery({
|
||||
request: 'java-response:' + requestId + ':' + response,
|
||||
onSuccess: function() {},
|
||||
onFailure: function() {}
|
||||
});
|
||||
}
|
||||
</script>
|
||||
Reference in New Issue
Block a user