/// <inheritdoc/>
protected override void OnAfterCreated(IWebBrowser chromiumWebBrowser, IBrowser browser)
{
if (browser.IsPopup)
{
var windowHandle = browser.GetHost().GetWindowHandle();
//WinForms will kindly lookup the child control from it's handle
//If no parentControl then likely it's a native popup created by CEF
//(Devtools by default will open as a popup, at this point the Url hasn't been set, so
// we're going with this assumption as it fits the use case currently)
var control = Control.FromChildHandle(windowHandle) as ChromiumHostControl;
//If control is null then we'll treat as a native popup (do nothing)
//If control is disposed there's nothing for us to do either.
if (control != null && !control.IsDisposed)
{
control.BrowserHwnd = windowHandle;
control.InvokeOnUiThreadIfRequired(() =>
{
var interceptor = new ParentFormMessageInterceptor(control);
interceptor.Moving += (sender, args) =>
{
if (!browser.IsDisposed)
{
browser?.GetHost()?.NotifyMoveOrResizeStarted();
}
};
popupParentFormMessageInterceptors.Add(browser.Identifier, interceptor);
});
}
}
}
/// <summary>
/// Called after browser created.
/// </summary>
/// <param name="browser">The browser.</param>
void IWebBrowserInternal.OnAfterBrowserCreated(IBrowser browser)
{
this.browser = browser;
IsBrowserInitialized = true;
// By the time this callback gets called, this control
// is most likely hooked into a browser Form of some sort.
// (Which is what ParentFormMessageInterceptor relies on.)
// Ensure the ParentFormMessageInterceptor construction occurs on the WinForms UI thread:
if (UseParentFormMessageInterceptor)
{
this.InvokeOnUiThreadIfRequired(() =>
{
parentFormMessageInterceptor = new ParentFormMessageInterceptor(this);
});
}
ResizeBrowser();
//If Load was called after the call to CreateBrowser we'll call Load
//on the MainFrame
if (!initialAddressLoaded && !string.IsNullOrEmpty(Address))
{
browser.MainFrame.LoadUrl(Address);
}
IsBrowserInitializedChanged?.Invoke(this, EventArgs.Empty);
}
/// <summary>
/// Called after browser created.
/// </summary>
/// <param name="browser">The browser.</param>
void IWebBrowserInternal.OnAfterBrowserCreated(IBrowser browser)
{
this.browser = browser;
IsBrowserInitialized = true;
//TODO: Revert temp workaround for default url not loading
if (!string.IsNullOrEmpty(Address))
{
browser.MainFrame.LoadUrl(Address);
}
// By the time this callback gets called, this control
// is most likely hooked into a browser Form of some sort.
// (Which is what ParentFormMessageInterceptor relies on.)
// Ensure the ParentFormMessageInterceptor construction occurs on the WinForms UI thread:
if (UseParentFormMessageInterceptor)
{
this.InvokeOnUiThreadIfRequired(() =>
{
parentFormMessageInterceptor = new ParentFormMessageInterceptor(this);
});
}
ResizeBrowser();
var handler = IsBrowserInitializedChanged;
if (handler != null)
{
handler(this, new IsBrowserInitializedChangedEventArgs(IsBrowserInitialized));
}
}
private void InternalDispose(bool disposing)
{
if (disposing)
{
Interlocked.Exchange(ref browserInitialized, 0);
CanExecuteJavascriptInMainFrame = false;
// Don't maintain a reference to event listeners anylonger:
AddressChanged = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
IsBrowserInitializedChanged = null;
LoadError = null;
LoadingStateChanged = null;
StatusMessage = null;
TitleChanged = null;
JavascriptMessageReceived = null;
// Release reference to handlers, except LifeSpanHandler which is done after Disposing
// ManagedCefBrowserAdapter otherwise the ILifeSpanHandler.DoClose will not be invoked.
// We also leave FocusHandler and override with a NoFocusHandler implementation as
// it so we can block taking Focus (we're dispoing afterall). Issue #3715
FreeHandlersExceptLifeSpanAndFocus();
FocusHandler = new NoFocusHandler();
browser = null;
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
//Dispose of BrowserSettings if we created it, if user created then they're responsible
if (browserSettings != null && browserSettings.AutoDispose)
{
browserSettings.Dispose();
}
browserSettings = null;
parkingControl?.Dispose();
parkingControl = null;
// LifeSpanHandler is set to null after managedCefBrowserAdapter.Dispose so ILifeSpanHandler.DoClose
// is called.
LifeSpanHandler = null;
}
Cef.RemoveDisposable(this);
}
private void InternalDispose(bool disposing)
{
if (disposing)
{
CanExecuteJavascriptInMainFrame = false;
IsBrowserInitialized = false;
// Don't maintain a reference to event listeners anylonger:
AddressChanged = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
IsBrowserInitializedChanged = null;
LoadError = null;
LoadingStateChanged = null;
StatusMessage = null;
TitleChanged = null;
JavascriptMessageReceived = null;
// Release reference to handlers, except LifeSpanHandler which is done after Disposing
// ManagedCefBrowserAdapter otherwise the ILifeSpanHandler.DoClose will not be invoked.
this.SetHandlersToNullExceptLifeSpan();
browser = null;
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
//Dispose of BrowserSettings if we created it, if user created then they're responsible
if (browserSettings.FrameworkCreated)
{
browserSettings.Dispose();
}
browserSettings = null;
parkingControl?.Dispose();
parkingControl = null;
// LifeSpanHandler is set to null after managedCefBrowserAdapter.Dispose so ILifeSpanHandler.DoClose
// is called.
LifeSpanHandler = null;
}
Cef.RemoveDisposable(this);
}
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);
}
/// <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);
}
/// <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 InternalDispose(bool disposing)
{
if (disposing)
{
IsBrowserInitialized = false;
// Don't maintain a reference to event listeners anylonger:
AddressChanged = null;
ConsoleMessage = null;
FrameLoadEnd = null;
FrameLoadStart = null;
IsBrowserInitializedChanged = null;
LoadError = null;
LoadingStateChanged = null;
StatusMessage = null;
TitleChanged = null;
// Release reference to handlers, except LifeSpanHandler which is done after Disposing
// ManagedCefBrowserAdapter otherwise the ILifeSpanHandler.DoClose will not be invoked.
this.SetHandlersToNullExceptLifeSpan();
browser = null;
if (parentFormMessageInterceptor != null)
{
parentFormMessageInterceptor.Dispose();
parentFormMessageInterceptor = null;
}
if (managedCefBrowserAdapter != null)
{
managedCefBrowserAdapter.Dispose();
managedCefBrowserAdapter = null;
}
// LifeSpanHandler is set to null after managedCefBrowserAdapter.Dispose so ILifeSpanHandler.DoClose
// is called.
LifeSpanHandler = null;
}
Cef.RemoveDisposable(this);
}
/// <summary>
/// Called after browser created.
/// </summary>
/// <param name="browser">The browser.</param>
void IWebBrowserInternal.OnAfterBrowserCreated(IBrowser browser)
{
this.browser = browser;
IsBrowserInitialized = true;
// By the time this callback gets called, this control
// is most likely hooked into a browser Form of some sort.
// (Which is what ParentFormMessageInterceptor relies on.)
// Ensure the ParentFormMessageInterceptor construction occurs on the WinForms UI thread:
if (UseParentFormMessageInterceptor)
{
this.InvokeOnUiThreadIfRequired(() =>
{
parentFormMessageInterceptor = new ParentFormMessageInterceptor(this);
});
}
ResizeBrowser();
IsBrowserInitializedChanged?.Invoke(this, new IsBrowserInitializedChangedEventArgs(IsBrowserInitialized));
}
/// <summary>
/// Called after browser created.
/// </summary>
/// <param name="browser">The browser.</param>
partial void OnAfterBrowserCreated(IBrowser browser)
{
BrowserCore = browser;
BrowserHwnd = browser.GetHost().GetWindowHandle();
// By the time this callback gets called, this control
// is most likely hooked into a browser Form of some sort.
// (Which is what ParentFormMessageInterceptor relies on.)
// Ensure the ParentFormMessageInterceptor construction occurs on the WinForms UI thread:
if (UseParentFormMessageInterceptor)
{
this.InvokeOnUiThreadIfRequired(() =>
{
parentFormMessageInterceptor = new ParentFormMessageInterceptor(this);
parentFormMessageInterceptor.Moving += (sender, args) =>
{
if (IsBrowserInitialized && !IsDisposed)
{
browser?.GetHost()?.NotifyMoveOrResizeStarted();
}
};
});
}
ResizeBrowser(Width, Height);
//If Load was called after the call to CreateBrowser we'll call Load
//on the MainFrame
if (!initialAddressLoaded && !string.IsNullOrEmpty(Address))
{
browser.MainFrame.LoadUrl(Address);
}
if (initialFocus)
{
browser.GetHost()?.SetFocus(true);
}
RaiseIsBrowserInitializedChangedEvent();
}
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;
}
}
void IWebBrowserInternal.OnInitialized()
{
IsBrowserInitialized = true;
// By the time this callback gets called, this control
// is most likely hooked into a browser Form of some sort.
// (Which is what ParentFormMessageInterceptor relies on.)
// Ensure the ParentFormMessageInterceptor construction occurs on the WinForms UI thread:
this.InvokeOnUiThreadIfRequired(() =>
{
parentFormMessageInterceptor = new ParentFormMessageInterceptor(this);
});
ResizeBrowser();
var handler = IsBrowserInitializedChanged;
if (handler != null)
{
handler(this, new IsBrowserInitializedChangedEventArgs(IsBrowserInitialized));
}
}
