private static unsafe void OnExtensionUnloadedImpl(cef_extension_handler_t *self, cef_extension_t *extension)
{
var instance = GetInstance((IntPtr)self) as CefExtensionHandler;
if (instance == null || ((ICefExtensionHandlerPrivate)instance).AvoidOnExtensionUnloaded())
{
ReleaseIfNonNull((cef_base_ref_counted_t *)extension);
return;
}
instance.OnExtensionUnloaded(CefExtension.Wrap(CefExtension.Create, extension));
}
/// <summary>
/// Returns the extension matching |extension_id| or NULL if no matching
/// extension is accessible in this context (see HasExtension). This function
/// must be called on the browser process UI thread.
/// </summary>
public unsafe virtual CefExtension GetExtension(string extensionId)
{
fixed(char *s0 = extensionId)
{
var cstr0 = new cef_string_t {
Str = s0, Length = extensionId != null ? extensionId.Length : 0
};
return(SafeCall(CefExtension.Wrap(CefExtension.Create, NativeInstance->GetExtension(&cstr0))));
}
}
/// <summary>
/// Called when an extension needs a browser to host a background script
/// specified via the "background" manifest key. The browser will have no
/// visible window and cannot be displayed. |extension| is the extension that
/// is loading the background script. |url| is an internally generated
/// reference to an HTML page that will be used to load the background script
/// via a
/// <script
/// > src attribute. To allow creation of the browser optionally
/// modify |client| and |settings| and return false (0). To cancel creation of
/// the browser (and consequently cancel load of the background script) return
/// true (1). Successful creation will be indicated by a call to
/// cef_life_span_handler_t::OnAfterCreated, and
/// cef_browser_host_t::IsBackgroundHost will return true (1) for the resulting
/// browser. See https://developer.chrome.com/extensions/event_pages for more
/// information about extension background script usage.
/// </summary>
protected internal unsafe virtual bool OnBeforeBackgroundBrowser(CefExtension extension, string url, ref CefClient client, CefBrowserSettings settings)
{
return(default);
/// <summary>
/// Called after the cef_extension_t::Unload request has completed.
/// </summary>
protected internal unsafe virtual void OnExtensionUnloaded(CefExtension extension)
{
}
/// <summary>
/// Returns true (1) if this object is the same extension as |that| object.
/// Extensions are considered the same if identifier, path and loader context
/// match.
/// </summary>
public unsafe virtual bool IsSame(CefExtension that)
{
return(SafeCall(NativeInstance->IsSame((that != null) ? that.GetNativeInstance() : null) != 0));
}
/// <summary>
/// Called after the cef_extension_t::Unload request has completed.
/// </summary>
public unsafe virtual void OnExtensionUnloaded(CefExtension extension)
{
}