Window Management

/**
 * Base interface for browser windows and frames
 */
public interface WebWindow {
    /** Get window name */
    public String getName();
    
    /** Set window name */
    public void setName(String name);
    
    /** Get current page in window */
    public Page getEnclosedPage();
    
    /** Set page in window */
    public void setEnclosedPage(Page page);
    
    /** Get parent WebClient */
    public WebClient getWebClient();
    
    /** Get parent window (null for top-level) */
    public WebWindow getParentWindow();
    
    /** Get top-level window */
    public WebWindow getTopWindow();
    
    /** Get window history */
    public History getHistory();
    
    /** Get inner window width */
    public int getInnerWidth();
    
    /** Set inner window width */
    public void setInnerWidth(int innerWidth);
    
    /** Get inner window height */
    public int getInnerHeight();
    
    /** Set inner window height */
    public void setInnerHeight(int innerHeight);
    
    /** Get outer window width */
    public int getOuterWidth();
    
    /** Set outer window width */
    public void setOuterWidth(int outerWidth);
    
    /** Get outer window height */
    public int getOuterHeight();
    
    /** Set outer window height */
    public void setOuterHeight(int outerHeight);
    
    /** Get window job manager for JavaScript */
    public JavaScriptJobManager getJobManager();
    
    /** Initialize window */
    public void initialize();
    
    /** Check if window is closed */
    public boolean isClosed();
    
    /** Close window */
    public void close();
}

import com.gargoylesoftware.htmlunit.*;

try (WebClient webClient = new WebClient()) {
    // Get current window
    WebWindow currentWindow = webClient.getCurrentWindow();
    System.out.println("Current window: " + currentWindow.getName());
    
    // Load page in current window
    HtmlPage page = webClient.getPage("https://example.com");
    
    // Window properties
    currentWindow.setName("mainWindow");
    currentWindow.setInnerWidth(1024);
    currentWindow.setInnerHeight(768);
    
    System.out.println("Window size: " + currentWindow.getInnerWidth() + "x" + currentWindow.getInnerHeight());
    System.out.println("Page URL: " + currentWindow.getEnclosedPage().getUrl());
}

/**
 * Top-level browser window implementation
 */
public class TopLevelWindow extends WebWindowImpl {
    /** Create top-level window */
    public TopLevelWindow(String name, WebClient webClient);
    
    /** Get window opener (if opened by another window) */
    public WebWindow getOpener();
    
    /** Set window opener */
    public void setOpener(WebWindow opener);
    
    /** Check if window can be closed */
    public boolean isCloseable();
    
    /** Set window closeable state */
    public void setCloseable(boolean closeable);
    
    /** Get window status text */
    public String getStatus();
    
    /** Set window status text */
    public void setStatus(String status);
    
    /** Check if window is maximized */
    public boolean isMaximized();
    
    /** Maximize window */
    public void maximize();
    
    /** Minimize window */
    public void minimize();
    
    /** Restore window */
    public void restore();
    
    /** Move window to position */
    public void moveTo(int x, int y);
    
    /** Move window by offset */
    public void moveBy(int deltaX, int deltaY);
    
    /** Resize window to size */
    public void resizeTo(int width, int height);
    
    /** Resize window by delta */
    public void resizeBy(int deltaWidth, int deltaHeight);
    
    /** Scroll window to position */
    public void scrollTo(int x, int y);
    
    /** Scroll window by offset */
    public void scrollBy(int deltaX, int deltaY);
    
    /** Get window position X */
    public int getLeft();
    
    /** Set window position X */
    public void setLeft(int left);
    
    /** Get window position Y */
    public int getTop();
    
    /** Set window position Y */
    public void setTop(int top);
}

/**
 * Modal dialog window implementation
 */
public class DialogWindow extends WebWindowImpl {
    /** Create dialog window */
    public DialogWindow(WebClient webClient, WebWindow opener, Object dialogArguments);
    
    /** Get window that opened this dialog */
    public WebWindow getOpener();
    
    /** Get dialog arguments passed when opened */
    public Object getDialogArguments();
    
    /** Get dialog return value */
    public Object getReturnValue();
    
    /** Set dialog return value */
    public void setReturnValue(Object returnValue);
    
    /** Close dialog with return value */
    public void close(Object returnValue);
    
    /** Check if dialog is modal */
    public boolean isModal();
    
    /** Check if dialog blocks parent window */
    public boolean isBlocking();
}

/**
 * Frame window implementation for <frame> and <iframe> elements
 */
public class FrameWindow extends WebWindowImpl {
    /** Create frame window */
    public FrameWindow(BaseFrameElement frameElement);
    
    /** Get frame element that contains this window */
    public BaseFrameElement getFrameElement();
    
    /** Get frame name from element */
    public String getFrameName();
    
    /** Get frame source URL */
    public String getFrameSource();
    
    /** Check if frame content is accessible (same origin) */
    public boolean isContentAccessible();
    
    /** Get frame border width */
    public int getFrameBorder();
    
    /** Get frame margin width */
    public int getMarginWidth();
    
    /** Get frame margin height */
    public int getMarginHeight();
    
    /** Check if frame allows scrolling */
    public boolean isScrollingAllowed();
    
    /** Check if frame is resizable */
    public boolean isResizable();
}

// Working with frames
HtmlPage page = webClient.getPage("https://example.com/frames.html");

// Find frame by name
WebWindow frameWindow = webClient.getWebWindowByName("contentFrame");
if (frameWindow instanceof FrameWindow) {
    FrameWindow frame = (FrameWindow) frameWindow;
    
    // Get content from frame
    Page framePage = frame.getEnclosedPage();
    if (framePage instanceof HtmlPage) {
        HtmlPage frameHtmlPage = (HtmlPage) framePage;
        String frameContent = frameHtmlPage.asText();
        System.out.println("Frame content: " + frameContent);
    }
    
    // Check frame properties
    System.out.println("Frame source: " + frame.getFrameSource());
    System.out.println("Frame accessible: " + frame.isContentAccessible());
}

// Find iframe element and get its window
HtmlInlineFrame iframe = (HtmlInlineFrame) page.getElementById("myIframe");
FrameWindow iframeWindow = (FrameWindow) iframe.getContentWindow();
Page iframePage = iframeWindow.getEnclosedPage();

/**
 * Browser history for window navigation
 */
public class History {
    /** Get history length */
    public int getLength();
    
    /** Navigate back one page */
    public void back() throws IOException;
    
    /** Navigate forward one page */
    public void forward() throws IOException;
    
    /** Navigate by relative index */
    public void go(int relativeIndex) throws IOException;
    
    /** Get current history index */
    public int getIndex();
    
    /** Get history entry at index */
    public HistoryEntry getEntry(int index);
    
    /** Get all history entries */
    public List<HistoryEntry> getEntries();
    
    /** Clear history */
    public void clear();
    
    /** Get URL at history index */
    public URL getUrl(int index);
    
    /** Get current URL */
    public URL getCurrentUrl();
    
    /** Check if can go back */
    public boolean canGoBack();
    
    /** Check if can go forward */
    public boolean canGoForward();
    
    /** Push state to history (HTML5) */
    public void pushState(Object data, String title, String url);
    
    /** Replace current state (HTML5) */
    public void replaceState(Object data, String title, String url);
    
    /** Get current state object */
    public Object getCurrentState();
}

/**
 * Individual history entry
 */
public class HistoryEntry {
    /** Get entry URL */
    public URL getUrl();
    
    /** Get entry title */
    public String getTitle();
    
    /** Get state object */
    public Object getState();
    
    /** Get timestamp */
    public Date getTimestamp();
}

// History navigation
try (WebClient webClient = new WebClient()) {
    WebWindow window = webClient.getCurrentWindow();
    History history = window.getHistory();
    
    // Navigate through pages
    webClient.getPage("https://example.com/page1");
    webClient.getPage("https://example.com/page2");
    webClient.getPage("https://example.com/page3");
    
    System.out.println("History length: " + history.getLength());
    System.out.println("Current URL: " + history.getCurrentUrl());
    
    // Navigate back
    if (history.canGoBack()) {
        history.back();
        System.out.println("After back: " + history.getCurrentUrl());
    }
    
    // Navigate forward
    if (history.canGoForward()) {
        history.forward();
        System.out.println("After forward: " + history.getCurrentUrl());
    }
    
    // Go to specific history index
    history.go(-2); // Go back 2 pages
    
    // Clear history
    history.clear();
}

/**
 * WebClient methods for window management
 */
public class WebClient implements AutoCloseable {
    /** Get current active window */
    public WebWindow getCurrentWindow();
    
    /** Set current active window */
    public void setCurrentWindow(WebWindow window);
    
    /** Open new window with URL */
    public WebWindow openWindow(URL url, String windowName) throws IOException;
    
    /** Open new window with target */
    public WebWindow openWindow(URL url, String windowName, String windowFeatures) throws IOException;
    
    /** Open modal dialog window */
    public DialogWindow openDialogWindow(URL url, WebWindow opener, Object dialogArguments) throws IOException;
    
    /** Find window by name */
    public WebWindow getWebWindowByName(String name);
    
    /** Get all open windows */
    public List<WebWindow> getWindows();
    
    /** Close all windows */
    public void closeAllWindows();
    
    /** Get default window for new content */
    public WebWindow getDefaultWindow();
}

// Open new windows
try (WebClient webClient = new WebClient()) {
    // Open new window
    WebWindow newWindow = webClient.openWindow(new URL("https://example.com/popup"), "popupWindow");
    
    // Switch to new window
    webClient.setCurrentWindow(newWindow);
    
    // Load page in new window
    HtmlPage popupPage = webClient.getPage("https://example.com/popup-content");
    
    // Open modal dialog
    DialogWindow dialog = webClient.openDialogWindow(
        new URL("https://example.com/dialog"), 
        webClient.getCurrentWindow(), 
        "dialog arguments"
    );
    
    // Work with dialog
    HtmlPage dialogPage = (HtmlPage) dialog.getEnclosedPage();
    
    // Close dialog with return value
    dialog.close("dialog result");
    
    // Find window by name
    WebWindow foundWindow = webClient.getWebWindowByName("popupWindow");
    if (foundWindow != null) {
        System.out.println("Found window: " + foundWindow.getName());
    }
    
    // List all windows
    List<WebWindow> allWindows = webClient.getWindows();
    System.out.println("Total windows: " + allWindows.size());
    
    for (WebWindow window : allWindows) {
        System.out.println("Window: " + window.getName() + " - " + window.getEnclosedPage().getUrl());
    }
}

/**
 * Base class for frame elements
 */
public abstract class BaseFrameElement extends HtmlElement {
    /** Get frame content window */
    public abstract FrameWindow getContentWindow();
    
    /** Get frame name */
    public String getNameAttribute();
    
    /** Get frame source URL */
    public String getSrcAttribute();
    
    /** Set frame source URL */
    public void setSrcAttribute(String src);
    
    /** Check if frame is loading */
    public boolean isContentLoading();
    
    /** Wait for frame content to load */
    public void waitForContentToLoad(long timeoutMillis) throws InterruptedException;
    
    /** Get frame border */
    public String getFrameBorderAttribute();
    
    /** Get margin width */
    public String getMarginWidthAttribute();
    
    /** Get margin height */
    public String getMarginHeightAttribute();
    
    /** Get scrolling setting */
    public String getScrollingAttribute();
}

/**
 * Frame element (<frame>)
 */
public class HtmlFrame extends BaseFrameElement {
    /** Check if frame is resizable */
    public boolean isResizable();
    
    /** Get frame resize setting */
    public String getNoResizeAttribute();
}

/**
 * Inline frame element (<iframe>)
 */
public class HtmlInlineFrame extends BaseFrameElement {
    /** Get iframe width */
    public String getWidthAttribute();
    
    /** Get iframe height */
    public String getHeightAttribute();
    
    /** Get iframe align */
    public String getAlignAttribute();
    
    /** Get iframe longdesc */
    public String getLongDescAttribute();
    
    /** Check if iframe is seamless */
    public boolean isSeamless();
    
    /** Get iframe sandbox */
    public String getSandboxAttribute();
    
    /** Get iframe srcdoc */
    public String getSrcdocAttribute();
    
    /** Check if frame allows fullscreen */
    public boolean isAllowFullscreen();
}

/**
 * Window event handling
 */
public interface WindowEventHandler {
    /** Handle window opened event */
    void onWindowOpened(WebWindow window);
    
    /** Handle window closed event */
    void onWindowClosed(WebWindow window);
    
    /** Handle window focus event */
    void onWindowFocused(WebWindow window);
    
    /** Handle window blur event */
    void onWindowBlurred(WebWindow window);
}

/**
 * Status handler for window status updates
 */
public interface StatusHandler {
    /** Handle status message update */
    void statusMessageChanged(Page page, String message);
}

/**
 * Methods for cross-frame communication and access
 */
public class WebWindow {
    /** Post message to another window (HTML5) */
    public void postMessage(String message, String targetOrigin, WebWindow targetWindow);
    
    /** Get window by frame reference */
    public WebWindow getFrameByName(String frameName);
    
    /** Get parent frame window */
    public WebWindow getParent();
    
    /** Get top-level window */
    public WebWindow getTop();
    
    /** Check if windows are same origin */
    public boolean isSameOrigin(WebWindow otherWindow);
    
    /** Check if window can access another window */
    public boolean canAccessWindow(WebWindow otherWindow);
}

// Cross-frame communication
HtmlPage mainPage = webClient.getPage("https://example.com/frameset.html");

// Access frame by name
WebWindow frameWindow = webClient.getWebWindowByName("contentFrame");
if (frameWindow != null) {
    HtmlPage framePage = (HtmlPage) frameWindow.getEnclosedPage();
    
    // Execute JavaScript in frame
    ScriptResult result = framePage.executeJavaScript("document.title");
    System.out.println("Frame title: " + result.getJavaScriptResult());
    
    // Check frame relationships
    WebWindow parentWindow = frameWindow.getParentWindow();
    WebWindow topWindow = frameWindow.getTopWindow();
    
    System.out.println("Frame parent: " + parentWindow.getName());
    System.out.println("Frame top: " + topWindow.getName());
    
    // Check same origin
    boolean sameOrigin = frameWindow.isSameOrigin(parentWindow);
    System.out.println("Same origin: " + sameOrigin);
}

// Handle multiple windows
List<WebWindow> windows = webClient.getWindows();
for (WebWindow window : windows) {
    if (window instanceof TopLevelWindow) {
        TopLevelWindow topWindow = (TopLevelWindow) window;
        System.out.println("Top-level window: " + topWindow.getName());
    } else if (window instanceof DialogWindow) {
        DialogWindow dialog = (DialogWindow) window;
        System.out.println("Dialog window with args: " + dialog.getDialogArguments());
    } else if (window instanceof FrameWindow) {
        FrameWindow frame = (FrameWindow) window;
        System.out.println("Frame window: " + frame.getFrameName());
    }
}