protected virtual void Dispose(bool disposing)
{
// Don't reference handlers any longer:
ResourceHandlerFactory = null;
JsDialogHandler = null;
DialogHandler = null;
DownloadHandler = null;
KeyboardHandler = null;
LifeSpanHandler = null;
MenuHandler = null;
FocusHandler = null;
RequestHandler = null;
DragHandler = null;
GeolocationHandler = null;
// Don't reference event listeners any longer:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
ConsoleMessage = null;
BrowserInitialized = null;
StatusMessage = null;
NavStateChanged = null;
AddressChanged = null;
IsLoadingChanged = null;
Cef.RemoveDisposable(this);
if (disposing)
{
IsBrowserInitialized = false;
if (bitmap != null)
{
bitmap.Dispose();
bitmap = null;
}
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
if (!managedCefBrowserAdapter.IsDisposed)
{
managedCefBrowserAdapter.Dispose();
}
managedCefBrowserAdapter = null;
}
}
}
protected override void Dispose(bool disposing)
{
// Don't utilize any of the handlers anymore:
DialogHandler = null;
JsDialogHandler = null;
KeyboardHandler = null;
RequestHandler = null;
DownloadHandler = null;
LifeSpanHandler = null;
MenuHandler = null;
DragHandler = null;
GeolocationHandler = null;
FocusHandler = null;
ResourceHandlerFactory = null;
Cef.RemoveDisposable(this);
if (disposing)
{
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
NavStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
IsLoadingChanged = null;
}
base.Dispose(disposing);
}
private void FreeUnmanagedResources()
{
browser = null;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
}
public void BeginRender()
{
EndRender();
var cefWindowInfo = CreateWindowInfo();
_isWindowless = cefWindowInfo.WindowlessRenderingEnabled;
var cefBrowserSettings = new BrowserSettings();
cefBrowserSettings.WindowlessFrameRate = _target.MaxFrameRate;
_browser.CreateBrowser(cefWindowInfo, cefBrowserSettings);
cefBrowserSettings.Dispose();
cefWindowInfo.Dispose();
}
/// <summary>
/// Releases unmanaged and - optionally - managed resources.
/// </summary>
/// <param name="disposing"><c>true</c> to release both managed and unmanaged resources; <c>false</c> to release only unmanaged resources.</param>
protected virtual void Dispose(bool disposing)
{
// Don't reference event listeners any longer:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
ConsoleMessage = null;
BrowserInitialized = null;
StatusMessage = null;
LoadingStateChanged = null;
AddressChanged = null;
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (Bitmap != null)
{
Bitmap.Dispose();
Bitmap = null;
}
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
if (!managedCefBrowserAdapter.IsDisposed)
{
managedCefBrowserAdapter.Dispose();
}
managedCefBrowserAdapter = null;
}
}
// Release reference to handlers, make sure this is done after we dispose managedCefBrowserAdapter
// otherwise the ILifeSpanHandler.DoClose will not be invoked. (More important in the WinForms version,
// we do it here for consistency)
this.SetHandlersToNull();
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.Control" /> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadingStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
}
// Release reference to handlers, make sure this is done after we dispose managedCefBrowserAdapter
// otherwise the ILifeSpanHandler.DoClose will not be invoked.
this.SetHandlersToNull();
base.Dispose(disposing);
}
public void BeginRender()
{
EndRender();
var cefWindowInfo = new WindowInfo();
cefWindowInfo.SetAsWindowless(IntPtr.Zero);
cefWindowInfo.Width = _target.Width;
cefWindowInfo.Height = _target.Height;
var cefBrowserSettings = new BrowserSettings();
cefBrowserSettings.WindowlessFrameRate = _target.MaxFrameRate;
_browser.CreateBrowser(cefWindowInfo, cefBrowserSettings);
cefBrowserSettings.Dispose();
cefWindowInfo.Dispose();
}
protected virtual void Dispose(bool disposing)
{
// Don't reference handlers any longer:
this.SetHandlersToNull();
// Don't reference event listeners any longer:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
ConsoleMessage = null;
BrowserInitialized = null;
StatusMessage = null;
LoadingStateChanged = null;
AddressChanged = null;
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (bitmap != null)
{
bitmap.Dispose();
bitmap = null;
}
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
if (!managedCefBrowserAdapter.IsDisposed)
{
managedCefBrowserAdapter.Dispose();
}
managedCefBrowserAdapter = null;
}
}
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.Control" /> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
// Don't utilize any of the handlers anymore:
this.SetHandlersToNull();
Cef.RemoveDisposable(this);
if (disposing)
{
browser = null;
IsBrowserInitialized = false;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// Don't maintain a reference to event listeners anylonger:
LoadError = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadingStateChanged = null;
ConsoleMessage = null;
StatusMessage = null;
AddressChanged = null;
TitleChanged = null;
IsBrowserInitializedChanged = null;
}
base.Dispose(disposing);
}
private void FreeUnmanagedResources()
{
// Repeated if missed
Cef.Shutdown();
_browser = null;
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (_managedCefBrowserAdapter != null)
{
_managedCefBrowserAdapter.Dispose();
_managedCefBrowserAdapter = null;
}
}
protected override void Dispose(bool disposing)
{
FocusHandler = null;
ResourceHandler = null;
BrowserSettings.Dispose();
BrowserSettings = null;
Cef.RemoveDisposable(this);
if (disposing)
{
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
}
base.Dispose(disposing);
}
public void BeginRender(int width, int height, string url, int maxFrameRate = 30)
{
EndRender();
var cefWindowInfo = new WindowInfo();
cefWindowInfo.SetAsWindowless(IntPtr.Zero);
cefWindowInfo.Width = width;
cefWindowInfo.Height = height;
var cefBrowserSettings = new BrowserSettings();
cefBrowserSettings.WindowlessFrameRate = maxFrameRate;
_browser.CreateBrowser(cefWindowInfo, cefBrowserSettings);
cefBrowserSettings.Dispose();
cefWindowInfo.Dispose();
urlToLoad = url;
}
private void FreeUnmanagedResources()
{
browser = null;
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
}
protected virtual void Dispose(bool isdisposing)
{
PresentationSource.RemoveSourceChangedHandler(this, PresentationSourceChangedHandler);
BrowserSettings.Dispose();
BrowserSettings = null;
ResourceHandler = null;
Loaded -= OnLoaded;
GotKeyboardFocus -= OnGotKeyboardFocus;
LostKeyboardFocus -= OnLostKeyboardFocus;
// Drag Drop events
DragEnter -= OnDragEnter;
DragOver -= OnDragOver;
DragLeave -= OnDragLeave;
Drop -= OnDrop;
IsVisibleChanged -= OnIsVisibleChanged;
Cef.RemoveDisposable(this);
foreach (var disposable in disposables)
{
disposable.Dispose();
}
disposables.Clear();
UiThreadRunAsync(() => WebBrowser = null);
managedCefBrowserAdapter = null;
ConsoleMessage = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadError = null;
}
protected virtual void Dispose(bool isdisposing)
{
// No longer reference event listeners:
ConsoleMessage = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadError = null;
NavStateChanged = null;
// No longer reference handlers:
ResourceHandlerFactory = null;
DialogHandler = null;
JsDialogHandler = null;
KeyboardHandler = null;
RequestHandler = null;
DownloadHandler = null;
LifeSpanHandler = null;
MenuHandler = null;
FocusHandler = null;
DragHandler = null;
GeolocationHandler = null;
Rendering = null;
if (isdisposing)
{
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
PresentationSource.RemoveSourceChangedHandler(this, PresentationSourceChangedHandler);
// Release internal event listeners:
Loaded -= OnLoaded;
GotKeyboardFocus -= OnGotKeyboardFocus;
LostKeyboardFocus -= OnLostKeyboardFocus;
// Release internal event listeners for Drag Drop events:
DragEnter -= OnDragEnter;
DragOver -= OnDragOver;
DragLeave -= OnDragLeave;
Drop -= OnDrop;
IsVisibleChanged -= OnIsVisibleChanged;
if (tooltipTimer != null)
{
tooltipTimer.Tick -= OnTooltipTimerTick;
}
if (CleanupElement != null)
{
CleanupElement.Unloaded -= OnCleanupElementUnloaded;
}
foreach (var disposable in disposables)
{
disposable.Dispose();
}
disposables.Clear();
UiThreadRunAsync(() => WebBrowser = null);
}
Cef.RemoveDisposable(this);
RemoveSourceHook();
managedCefBrowserAdapter = null;
}
public void Dispose()
{
if (isDisposing)
{
return;
}
isDisposing = true;
GC.SuppressFinalize(this);
var disposed = false;
void InternalDispose()
{
if (disposed)
{
return; // bail-out
}
disposed = true;
AppDomain.CurrentDomain.AssemblyLoad -= OnAssemblyLoaded;
DisposableWebViews.Remove(this);
cancellationTokenSource.Cancel();
WebViewInitialized = null;
BeforeNavigate = null;
BeforeResourceLoad = null;
Navigated = null;
LoadFailed = null;
DownloadProgressChanged = null;
DownloadCompleted = null;
DownloadCancelled = null;
JavascriptContextCreated = null;
TitleChanged = null;
UnhandledAsyncException = null;
RenderProcessCrashed = null;
JavascriptContextReleased = null;
jsExecutor.Dispose();
settings.Dispose();
chromium.Dispose();
cancellationTokenSource.Dispose();
Disposed?.Invoke();
}
// avoid dead-lock, wait for all pending calls to finish
JavascriptCallFinished += () => {
if (javascriptPendingCalls == 0)
{
Dispatcher.BeginInvoke((Action)InternalDispose);
}
};
if (javascriptPendingCalls > 0)
{
// JavascriptCallFinished event will trigger InternalDispose,
// this check must come after registering event to avoid losing the event call
return;
}
InternalDispose();
}
protected virtual void Dispose(bool isdisposing)
{
//Check if alreadty disposed
if (Interlocked.Increment(ref disposeCount) == 1)
{
// No longer reference event listeners:
ConsoleMessage = null;
FrameLoadStart = null;
FrameLoadEnd = null;
LoadError = null;
LoadingStateChanged = null;
Rendering = null;
// No longer reference handlers:
this.SetHandlersToNull();
if (isdisposing)
{
if (BrowserSettings != null)
{
BrowserSettings.Dispose();
BrowserSettings = null;
}
PresentationSource.RemoveSourceChangedHandler(this, PresentationSourceChangedHandler);
// Release internal event listeners:
Loaded -= OnLoaded;
GotKeyboardFocus -= OnGotKeyboardFocus;
LostKeyboardFocus -= OnLostKeyboardFocus;
// Release internal event listeners for Drag Drop events:
DragEnter -= OnDragEnter;
DragOver -= OnDragOver;
DragLeave -= OnDragLeave;
Drop -= OnDrop;
IsVisibleChanged -= OnIsVisibleChanged;
if (tooltipTimer != null)
{
tooltipTimer.Tick -= OnTooltipTimerTick;
}
if (CleanupElement != null)
{
CleanupElement.Unloaded -= OnCleanupElementUnloaded;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
foreach (var disposable in disposables)
{
disposable.Dispose();
}
disposables.Clear();
UiThreadRunAsync(() => WebBrowser = null);
}
Cef.RemoveDisposable(this);
RemoveSourceHook();
}
}