private void SetState(BrowserStatus status)
{
this.buffer = null;
if (isRefreshingForBuffer == false ||
(status != BrowserStatus.Loading && status != BrowserStatus.Processing))
{
this.State = status;
}
}
// AfterCreated event
public void AfterCreated(CefBrowser browser)
{
Debug.Assert(this.browser == null);
Debug.Assert(browser != null);
this.browser = browser;
BrowserManager.Instance.RegisterBrowser(browser.Identifier, this);
Debug.Assert(Status == BrowserStatus.Creating);
Status = BrowserStatus.Created;
if (hasPendingClose)
{
hasPendingClose = false;
CloseBrowser(true);
}
}
public void CloseBrowser(bool isForcingClose)
{
// the renderer doesn't need to communicate with the browser source
// after it has been closed
// this avoids a problem where the browser source gets disposed before it
// has completed it's shutdown sequence
browserClient.RenderHandler.Cleanup();
// Did we get a close before we finished creating?
if (Status == BrowserStatus.Creating)
{
hasPendingClose = true;
}
else if (Status == BrowserStatus.Created)
{
Debug.Assert(browser != null);
Status = BrowserStatus.Closing;
BrowserManager.Instance.Dispatcher.Invoke(new Action(() => { browser.GetHost().CloseBrowser(isForcingClose); }));
}
}
// OnBeforeClose event
public void OnBeforeClose(CefBrowser browser)
{
Debug.Assert(Status == BrowserStatus.Closing);
Debug.Assert(browser != null);
BrowserManager.Instance.UnregisterBrowser(browser.Identifier);
browser = null;
BrowserManager.Instance.DecrementBrowserInstanceCount();
Status = BrowserStatus.Closed;
UninitClient();
}
// DoClose event
public bool DoClose(CefBrowser browser)
{
Debug.Assert(browser != null);
browser.GetHost().ParentWindowWillClose();
Debug.Assert(Status == BrowserStatus.Created || Status == BrowserStatus.Closing);
Status = BrowserStatus.Closing;
return false;
}
public bool CreateBrowser(BrowserSource browserSource, BrowserConfig browserConfig)
{
Debug.Assert(Status == BrowserStatus.Initial);
InitClient(browserSource);
Debug.Assert(browserClient != null);
Debug.Assert(browserConfig != null);
BrowserConfig = browserConfig;
CefWindowInfo windowInfo = CefWindowInfo.Create();
windowInfo.TransparentPainting = true;
windowInfo.SetAsOffScreen(IntPtr.Zero);
windowInfo.Width = (int)browserConfig.BrowserSourceSettings.Width;
windowInfo.Height = (int)browserConfig.BrowserSourceSettings.Height;
windowInfo.MenuHandle = IntPtr.Zero;
windowInfo.ParentHandle = IntPtr.Zero;
String base64EncodedDataUri = "data:text/css;charset=utf-8;base64,";
String base64EncodedCss = Convert.ToBase64String(Encoding.UTF8.GetBytes(browserConfig.BrowserSourceSettings.CSS));
BrowserInstanceSettings settings = AbstractSettings.DeepClone(BrowserSettings.Instance.InstanceSettings);
settings.MergeWith(browserConfig.BrowserInstanceSettings);
CefBrowserSettings browserSettings = new CefBrowserSettings {
AcceleratedCompositing = settings.AcceleratedCompositing,
ApplicationCache = settings.ApplicationCache,
AuthorAndUserStyles = settings.AuthorAndUserStyles,
CaretBrowsing = settings.CaretBrowsing,
CursiveFontFamily = settings.CursiveFontFamily,
Databases = settings.Databases,
DefaultEncoding = settings.DefaultEncoding,
DefaultFixedFontSize = settings.DefaultFixedFontSize,
DefaultFontSize = settings.DefaultFontSize,
DeveloperTools = settings.DeveloperTools,
FantasyFontFamily = settings.FantasyFontFamily,
FileAccessFromFileUrls = settings.FileAccessFromFileUrls,
FixedFontFamily = settings.FixedFontFamily,
ImageLoading = settings.ImageLoading,
ImageShrinkStandaloneToFit = settings.ImageShrinkStandaloneToFit,
Java = settings.Java,
JavaScript = settings.JavaScript,
JavaScriptAccessClipboard = settings.JavaScriptAccessClipboard,
JavaScriptCloseWindows = settings.JavaScriptCloseWindows,
JavaScriptDomPaste = settings.JavaScriptDomPaste,
JavaScriptOpenWindows = settings.JavaScriptOpenWindows,
LocalStorage = settings.LocalStorage,
MinimumFontSize = settings.MinimumFontSize,
MinimumLogicalFontSize = settings.MinimumLogicalFontSize,
PageCache = settings.PageCache,
Plugins = settings.Plugins,
RemoteFonts = settings.RemoteFonts,
SansSerifFontFamily = settings.SansSerifFontFamily,
SerifFontFamily = settings.SerifFontFamily,
StandardFontFamily = settings.StandardFontFamily,
//TabToLinks = settings.TabToLinks,
//TextAreaResize = settings.TextAreaResize,
UniversalAccessFromFileUrls = settings.UniversalAccessFromFileUrls,
UserStyleSheetLocation = base64EncodedDataUri + base64EncodedCss,
WebGL = settings.WebGL,
WebSecurity = settings.WebSecurity,
};
String url = browserConfig.BrowserSourceSettings.Url;
if (browserConfig.BrowserSourceSettings.IsApplyingTemplate)
{
String resolvedTemplate = browserConfig.BrowserSourceSettings.Template;
resolvedTemplate = resolvedTemplate.Replace("$(FILE)", browserConfig.BrowserSourceSettings.Url);
resolvedTemplate = resolvedTemplate.Replace("$(WIDTH)", browserConfig.BrowserSourceSettings.Width.ToString());
resolvedTemplate = resolvedTemplate.Replace("$(HEIGHT)", browserConfig.BrowserSourceSettings.Height.ToString());
url = "http://absolute";
}
// must be sync invoke because wrapper can be destroyed before it is run
try
{
// Since the event methods can be called before the next statement
// set the status before we call it
Status = BrowserStatus.Creating;
CefBrowserHost.CreateBrowser(windowInfo, browserClient, browserSettings, url);
}
catch (InvalidOperationException e)
{
API.Instance.Log("BrowserWrapper::CreateBrowser failed; {0}", e.Message);
UninitClient();
return false;
}
BrowserManager.Instance.IncrementBrowserInstanceCount();
return true;
}
void browser_OnBrowserStateChanged(Browser browser, BrowserStatus state)
{
SetTestRunning(isRunning);
}