/// <summary>
/// Create the underlying browser. The instance address, browser settings and request context will be used.
/// </summary>
/// <param name="windowHandle">Window handle if any, IntPtr.Zero is the default</param>
/// <exception cref="System.Exception">An instance of the underlying offscreen browser has already been created, this method can only be called once.</exception>
public void CreateBrowser(IntPtr windowHandle)
{
if (browserCreated)
{
throw new Exception("An instance of the underlying offscreen browser has already been created, this method can only be called once.");
}
browserCreated = true;
managedCefBrowserAdapter.CreateOffscreenBrowser(windowHandle, BrowserSettings, (RequestContext)RequestContext, Address);
}
/// <summary>
/// Create a new OffScreen Chromium Browser
/// </summary>
/// <param name="address">Initial address (url) to load</param>
/// <param name="browserSettings">The browser settings to use. If null, the default settings are used.</param>
public ChromiumWebBrowser(string address, BrowserSettings browserSettings = null)
{
if (!Cef.IsInitialized && !Cef.Initialize())
{
throw new InvalidOperationException("Cef::Initialize() failed");
}
ResourceHandler = new DefaultResourceHandler();
Cef.AddDisposable(this);
Address = address;
managedCefBrowserAdapter = new ManagedCefBrowserAdapter(this, true);
managedCefBrowserAdapter.CreateOffscreenBrowser(IntPtr.Zero, browserSettings ?? new BrowserSettings(), address);
}
private void CreateOffscreenBrowserWhenActualSizeChanged()
{
if (browserCreated || System.ComponentModel.DesignerProperties.GetIsInDesignMode(this))
{
return;
}
var webBrowserInternal = this as IWebBrowserInternal;
if (!webBrowserInternal.HasParent)
{
managedCefBrowserAdapter.CreateOffscreenBrowser(source == null ? IntPtr.Zero : source.Handle, BrowserSettings, RequestContext, Address);
}
browserCreated = true;
}
/// <summary>
/// Create a new OffScreen Chromium Browser
/// </summary>
/// <param name="address">Initial address (url) to load</param>
/// <param name="browserSettings">The browser settings to use. If null, the default settings are used.</param>
public ChromiumWebBrowser(string address, BrowserSettings browserSettings = null)
{
if (!Cef.IsInitialized && !Cef.Initialize())
{
throw new InvalidOperationException("Cef::Initialize() failed");
}
ResourceHandler = new DefaultResourceHandler();
Cef.AddDisposable(this);
Address = address;
managedCefBrowserAdapter = new ManagedCefBrowserAdapter(this, true);
managedCefBrowserAdapter.CreateOffscreenBrowser(IntPtr.Zero, browserSettings ?? new BrowserSettings(), address);
}
/// <summary>
/// Create the underlying Browser instance, can be overriden to defer control creation
/// The browser will only be created when size > Size(0,0). If you specify a posative
/// size then the browser will be created, if the ActualWidth and ActualHeight
/// properties are in relatity still 0 then you'll likely end up with a browser that
/// won't render.
/// </summary>
/// <param name="size">size of the current control, must be greater than Size(0, 0)</param>
/// <returns>bool to indicate if browser was created. If the browser has already been created then this will return false.</returns>
protected virtual bool CreateOffscreenBrowser(Size size)
{
if (browserCreated || System.ComponentModel.DesignerProperties.GetIsInDesignMode(this) || size.IsEmpty || size.Equals(new Size(0, 0)))
{
return(false);
}
var webBrowserInternal = this as IWebBrowserInternal;
if (!webBrowserInternal.HasParent)
{
managedCefBrowserAdapter.CreateOffscreenBrowser(source == null ? IntPtr.Zero : source.Handle, BrowserSettings, RequestContext, Address);
}
browserCreated = true;
return(true);
}
/// <summary>
/// Create a new OffScreen Chromium Browser
/// </summary>
/// <param name="address">Initial address (url) to load</param>
/// <param name="browserSettings">The browser settings to use. If null, the default settings are used.</param>
/// <param name="requestcontext">See <see cref="RequestContext"/> for more details. Defaults to null</param>
public ChromiumWebBrowser(string address = "", BrowserSettings browserSettings = null, RequestContext requestcontext = null)
{
if (!Cef.IsInitialized && !Cef.Initialize())
{
throw new InvalidOperationException("Cef::Initialize() failed");
}
BitmapFactory = new BitmapFactory(BitmapLock);
ResourceHandlerFactory = new DefaultResourceHandlerFactory();
BrowserSettings = browserSettings ?? new BrowserSettings();
RequestContext = requestcontext;
Cef.AddDisposable(this);
Address = address;
managedCefBrowserAdapter = new ManagedCefBrowserAdapter(this, true);
managedCefBrowserAdapter.CreateOffscreenBrowser(IntPtr.Zero, BrowserSettings, RequestContext, address);
}
/// <summary>
/// Create a new OffScreen Chromium Browser.
/// </summary>
/// <param name="height">Height of browser</param>
/// <param name="address">Initial address (url) to load</param>
/// <param name="browserSettings">The browser settings to use. If null, the default settings are used.</param>
/// <param name="requestcontext">See <see cref="RequestContext"/> for more details. Defaults to null</param>
/// <param name="width">Width of browser</param>
public ChromiumWebBrowserController(int width = 1366, int height = 768, string address = "",
RequestContext requestcontext = null, BrowserSettings browserSettings = null)
{
if (!Cef.IsInitialized && !Cef.Initialize())
{
throw new InvalidOperationException("Cef::Initialize() failed");
}
size = new Size(width, height);
ResourceHandlerFactory = new DefaultResourceHandlerFactory();
BrowserSettings = browserSettings ?? new BrowserSettings();
RequestContext = requestcontext;
Cef.AddDisposable(this);
Address = address;
managedCefBrowserAdapter = new ManagedCefBrowserAdapter(this, true);
managedCefBrowserAdapter.CreateOffscreenBrowser(IntPtr.Zero, BrowserSettings, RequestContext, address);
}
public ChromiumWebBrowser()
{
Cef.AddDisposable(this);
Focusable = true;
FocusVisualStyle = null;
IsTabStop = true;
Dispatcher.BeginInvoke((Action)(() => WebBrowser = this));
Loaded += OnLoaded;
Unloaded += OnUnloaded;
GotKeyboardFocus += OnGotKeyboardFocus;
LostKeyboardFocus += OnLostKeyboardFocus;
IsVisibleChanged += OnIsVisibleChanged;
ToolTip = toolTip = new ToolTip();
toolTip.StaysOpen = true;
toolTip.Visibility = Visibility.Collapsed;
toolTip.Closed += OnTooltipClosed;
BackCommand = new DelegateCommand(Back, () => CanGoBack);
ForwardCommand = new DelegateCommand(Forward, () => CanGoForward);
ReloadCommand = new DelegateCommand(Reload, () => CanReload);
PrintCommand = new DelegateCommand(Print);
ZoomInCommand = new DelegateCommand(ZoomIn);
ZoomOutCommand = new DelegateCommand(ZoomOut);
ZoomResetCommand = new DelegateCommand(ZoomReset);
ViewSourceCommand = new DelegateCommand(ViewSource);
CleanupCommand = new DelegateCommand(Dispose);
StopCommand = new DelegateCommand(Stop);
managedCefBrowserAdapter = new ManagedCefBrowserAdapter(this);
managedCefBrowserAdapter.CreateOffscreenBrowser(BrowserSettings ?? new BrowserSettings());
disposables.Add(managedCefBrowserAdapter);
disposables.Add(new DisposableEventWrapper(this, ActualHeightProperty, OnActualSizeChanged));
disposables.Add(new DisposableEventWrapper(this, ActualWidthProperty, OnActualSizeChanged));
}
/// <summary>
/// Create the underlying browser. The instance address, browser settings and request context will be used.
/// </summary>
/// <param name="windowHandle">Window handle if any, IntPtr.Zero is the default</param>
/// <param name="browserSettings">Browser initialization settings</param>
/// <exception cref="System.Exception">An instance of the underlying offscreen browser has already been created, this method can only be called once.</exception>
public void CreateBrowser(IntPtr windowHandle, BrowserSettings browserSettings = null)
{
if (browserCreated)
{
throw new Exception("An instance of the underlying offscreen browser has already been created, this method can only be called once.");
}
browserCreated = true;
if (browserSettings == null)
{
browserSettings = new BrowserSettings();
}
//Dispose of browser settings after we've created the browser
using (browserSettings)
{
managedCefBrowserAdapter.CreateOffscreenBrowser(windowHandle, browserSettings, (RequestContext)RequestContext, Address);
}
}
public ChromiumWebBrowser()
{
Cef.AddDisposable(this);
Focusable = true;
FocusVisualStyle = null;
IsTabStop = true;
Dispatcher.BeginInvoke((Action)(() => WebBrowser = this));
Loaded += OnLoaded;
Unloaded += OnUnloaded;
GotKeyboardFocus += OnGotKeyboardFocus;
LostKeyboardFocus += OnLostKeyboardFocus;
IsVisibleChanged += OnIsVisibleChanged;
ToolTip = toolTip = new ToolTip();
toolTip.StaysOpen = true;
toolTip.Visibility = Visibility.Collapsed;
toolTip.Closed += OnTooltipClosed;
BackCommand = new DelegateCommand(Back, () => CanGoBack);
ForwardCommand = new DelegateCommand(Forward, () => CanGoForward);
ReloadCommand = new DelegateCommand(Reload, () => CanReload);
PrintCommand = new DelegateCommand(Print);
ZoomInCommand = new DelegateCommand(ZoomIn);
ZoomOutCommand = new DelegateCommand(ZoomOut);
ZoomResetCommand = new DelegateCommand(ZoomReset);
ViewSourceCommand = new DelegateCommand(ViewSource);
CleanupCommand = new DelegateCommand(Dispose);
StopCommand = new DelegateCommand(Stop);
managedCefBrowserAdapter = new ManagedCefBrowserAdapter(this);
managedCefBrowserAdapter.CreateOffscreenBrowser(BrowserSettings ?? new BrowserSettings());
disposables.Add(managedCefBrowserAdapter);
disposables.Add(new DisposableEventWrapper(this, ActualHeightProperty, OnActualSizeChanged));
disposables.Add(new DisposableEventWrapper(this, ActualWidthProperty, OnActualSizeChanged));
}
public WebView()
{
Focusable = true;
FocusVisualStyle = null;
IsTabStop = true;
Dispatcher.BeginInvoke((Action)(() => WebBrowser = this));
Loaded += OnLoaded;
Unloaded += OnUnloaded;
this.IsVisibleChanged += OnIsVisibleChanged;
ToolTip = toolTip = new ToolTip();
toolTip.StaysOpen = true;
toolTip.Visibility = Visibility.Collapsed;
toolTip.Closed += OnTooltipClosed;
BackCommand = new DelegateCommand(Back, CanGoBack);
ForwardCommand = new DelegateCommand(Forward, CanGoForward);
ReloadCommand = new DelegateCommand(Reload, CanReload);
browserCore = new BrowserCore("about:blank");
browserCore.PropertyChanged += OnBrowserCorePropertyChanged;
managedCefBrowserAdapter = new ManagedCefBrowserAdapter(this);
managedCefBrowserAdapter.CreateOffscreenBrowser(BrowserSettings ?? new BrowserSettings());
disposables.Add(managedCefBrowserAdapter);
disposables.Add(new DisposableEventWrapper(this, ActualHeightProperty, OnActualSizeChanged));
disposables.Add(new DisposableEventWrapper(this, ActualWidthProperty, OnActualSizeChanged));
}
