/**
* Create a new WebView.
*
* @param frameSize The size of the WebView rectangle.
* @throws UnsupportedOperationException if this class is instantiated on a non-Windows operating
* system.
* @throws WWRuntimeException if creating the native web browser window fails for any reason. For
* example, because the process has run out of User Object handles (see documentation <a
* href="#limits">above</a>).
*/
public WindowsWebView(Dimension frameSize) {
if (frameSize == null) {
String message = Logging.getMessage("nullValue.SizeIsNull");
Logging.logger().severe(message);
throw new IllegalArgumentException(message);
}
if (!Configuration.isWindowsOS()) {
String message =
Logging.getMessage(
"NativeLib.UnsupportedOperatingSystem",
"Windows WebView",
System.getProperty("os.name"));
Logging.logger().severe(message);
throw new UnsupportedOperationException(message);
}
this.frameSize = frameSize;
try {
// Increment the instance counter
instances.incrementAndGet();
// Make sure that the message loop thread is running
this.ensureMessageLoopRunning();
// Create the web view
this.webViewWindowPtr = WindowsWebViewJNI.newWebViewWindow(webViewMessageLoop);
if (this.webViewWindowPtr == 0) {
String message = Logging.getMessage("WebView.NativeExceptionInitializingWebView");
Logging.logger().severe(message);
throw new WWRuntimeException(message);
}
WindowsWebViewJNI.setFrameSize(
this.webViewWindowPtr, this.frameSize.width, this.frameSize.height);
this.observerPtr = WindowsWebViewJNI.newNotificationAdapter(this);
WindowsWebViewJNI.addWindowUpdateObserver(this.webViewWindowPtr, observerPtr);
} catch (RuntimeException e) {
// If the WebView was not created successfully do not increment the instance counter.
instances.decrementAndGet();
this.handleWebViewCreationError();
throw e;
} catch (Error e) {
// If the WebView was not created successfully do not increment the instance counter.
instances.decrementAndGet();
this.handleWebViewCreationError();
throw e;
}
}
protected void doSetFrameSize(Dimension size) {
if (this.webViewWindowPtr != 0)
WindowsWebViewJNI.setFrameSize(this.webViewWindowPtr, size.width, size.height);
}