protected override void LoadContent()
{
// We have to inject our teardown code here because if we let XNA's
// normal disposal handlers run, Chrome's message pump gets confused
// and hangs our process
var form = (System.Windows.Forms.Control.FromHandle(Window.Handle) as System.Windows.Forms.Form);
form.FormClosing += (s, e) => Teardown();
spriteBatch = new SpriteBatch(GraphicsDevice);
background = Content.Load<Texture2D>("background");
var context = Context.Create();
var assetRoot = Path.GetDirectoryName(System.Windows.Forms.Application.ExecutablePath);
assetProtocol = new FileProtocolHandler(
context, "asset", (filename) => {
try {
return File.OpenRead(Path.Combine(assetRoot, filename));
} catch {
return null;
}
});
browser = new TextureBackedWindow(context, GraphicsDevice);
browser.Transparent = true;
browser.LoadingStateChanged += WebKit_LoadingStateChanged;
browser.Load += WebKit_Load;
browser.AddressBarChanged += WebKit_AddressBarChanged;
browser.Resize(GraphicsDevice.Viewport.Width, GraphicsDevice.Viewport.Height - 27);
int rtWidth = browser.Texture.Width;
int rtHeight = browser.Texture.Height;
try {
oldPageRt = new RenderTarget2D(
GraphicsDevice, rtWidth, rtHeight, 2,
SurfaceFormat.Color, RenderTargetUsage.DiscardContents
);
} catch {
rtWidth = NextPowerOfTwo(rtWidth);
rtHeight = NextPowerOfTwo(rtHeight);
oldPageRt = new RenderTarget2D(
GraphicsDevice, rtWidth, rtHeight, 2,
SurfaceFormat.Color, RenderTargetUsage.DiscardContents
);
}
focusedFrame = navBar = new TextureBackedWindow(context, GraphicsDevice);
navBar.Focus();
navBar.Resize(GraphicsDevice.Viewport.Width, 27);
navBar.ChromeSend.Register("back", browser.GoBack);
navBar.ChromeSend.Register("forward", browser.GoForward);
navBar.ChromeSend.Register("go", (args) =>
browser.NavigateTo(args[0])
);
browser.NavigateTo("asset://./xnatest.html");
navBar.NavigateTo("asset://./navbar.html");
}