CefReturnValue IRequestHandler.OnBeforeResourceLoad(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IRequestCallback callback)
{
// Check if the session is expired
if (request.Url == "steammobile://lostauth")
{
MessageBox.Show("加载确认失败。尝试使用“选择账号”菜单下的“强制刷新会话”。如果依然不起作用，请使用“再次登录”选项。", "确认", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(CefReturnValue.Cancel);
}
// For some reason, in order to set cookies manually using a hdeader you need to clear the real cookies every time :/
Cef.GetGlobalCookieManager().VisitAllCookies(new DeleteAllCookiesVisitor());
if (request.Url.StartsWith("steammobile://"))
{
// Cancel all steammobile:// requests (for the app)
return(CefReturnValue.Cancel);
}
else
{
var headers = request.Headers;
headers.Add("Cookie", Cookies);
headers.Add("X-Requested-With", "com.valvesoftware.android.steam.community");
request.Headers = headers;
return(CefReturnValue.Continue);
}
}
public bool OnJSDialog(CefSharp.IWebBrowser browserControl, CefSharp.IBrowser browser,
string originUrl, CefSharp.CefJsDialogType dialogType, string messageText, string defaultPromptText,
CefSharp.IJsDialogCallback callback, ref bool suppressMessage)
{
switch (dialogType)
{
case CefSharp.CefJsDialogType.Alert:
MessageBox.Show(messageText, "JavaScript", MessageBoxButton.OK, MessageBoxImage.None, MessageBoxResult.OK, MessageBoxOptions.DefaultDesktopOnly);
suppressMessage = true;
return(false);
case CefSharp.CefJsDialogType.Confirm:
var dr = MessageBox.Show(messageText, "JavaScript");
if (dr == MessageBoxResult.Yes)
{
callback.Continue(true, string.Empty);
suppressMessage = false;
return(true);
}
else
{
callback.Continue(false, string.Empty);
suppressMessage = false;
return(true);
}
case CefSharp.CefJsDialogType.Prompt:
MessageBox.Show("系统不支持prompt形式的提示框", "JavaScript");
break;
default:
break;
}
return(false);
}
public void OnAfterCreated(CefSharp.IWebBrowser browserControl, IBrowser browser)
{
}
public void OnDialogClosed(CefSharp.IWebBrowser browserControl, CefSharp.IBrowser browser)
{
}
void CefSharp.IContextMenuHandler.OnContextMenuDismissed(CefSharp.IWebBrowser browserControl, CefSharp.IBrowser browser, CefSharp.IFrame frame)
{
//throw new NotImplementedException();
}
void CefSharp.IContextMenuHandler.OnBeforeContextMenu(CefSharp.IWebBrowser browserControl, CefSharp.IBrowser browser, CefSharp.IFrame frame, CefSharp.IContextMenuParams parameters, CefSharp.IMenuModel model)
{
model.Clear();
}
public bool OnPreKeyEvent(CefSharp.IWebBrowser chromiumWebBrowser, CefSharp.IBrowser browser, CefSharp.KeyType type, int windowsKeyCode, int nativeKeyCode, CefSharp.CefEventFlags modifiers, bool isSystemKey, ref bool isKeyboardShortcut)
{
const int WM_SYSKEYDOWN = 0x104;
const int WM_KEYDOWN = 0x100;
const int WM_KEYUP = 0x101;
const int WM_SYSKEYUP = 0x105;
const int WM_CHAR = 0x102;
const int WM_SYSCHAR = 0x106;
const int VK_TAB = 0x9;
const int VK_LEFT = 0x25;
const int VK_UP = 0x26;
const int VK_RIGHT = 0x27;
const int VK_DOWN = 0x28;
isKeyboardShortcut = false;
// Don't deal with TABs by default:
// TODO: Are there any additional ones we need to be careful of?
// i.e. Escape, Return, etc...?
if (windowsKeyCode == VK_TAB || windowsKeyCode == VK_LEFT || windowsKeyCode == VK_UP || windowsKeyCode == VK_DOWN || windowsKeyCode == VK_RIGHT)
{
return(false);
}
var result = false;
var control = chromiumWebBrowser as System.Windows.Forms.Control;
var msgType = 0;
switch (type)
{
case KeyType.RawKeyDown:
if (isSystemKey)
{
msgType = WM_SYSKEYDOWN;
}
else
{
msgType = WM_KEYDOWN;
}
break;
case KeyType.KeyUp:
if (isSystemKey)
{
msgType = WM_SYSKEYUP;
}
else
{
msgType = WM_KEYUP;
}
break;
case KeyType.Char:
if (isSystemKey)
{
msgType = WM_SYSCHAR;
}
else
{
msgType = WM_CHAR;
}
break;
default:
Trace.Assert(false);
break;
}
// We have to adapt from CEF's UI thread message loop to our fronting WinForm control here.
// So, we have to make some calls that Application.Run usually ends up handling for us:
var state = PreProcessControlState.MessageNotNeeded;
// We can't use BeginInvoke here, because we need the results for the return value
// and isKeyboardShortcut. In theory this shouldn't deadlock, because
// atm this is the only synchronous operation between the two threads.
control.Invoke(new Action(() =>
{
var msg = new Message
{
HWnd = control.Handle,
Msg = msgType,
WParam = new IntPtr(windowsKeyCode),
LParam = new IntPtr(nativeKeyCode)
};
// First comes Application.AddMessageFilter related processing:
// 99.9% of the time in WinForms this doesn't do anything interesting.
var processed = Application.FilterMessage(ref msg);
if (processed)
{
state = PreProcessControlState.MessageProcessed;
}
else
{
// Next we see if our control (or one of its parents)
// wants first crack at the message via several possible Control methods.
// This includes things like Mnemonics/Accelerators/Menu Shortcuts/etc...
state = control.PreProcessControlMessage(ref msg);
}
}));
if (state == PreProcessControlState.MessageNeeded)
{
// TODO: Determine how to track MessageNeeded for OnKeyEvent.
isKeyboardShortcut = true;
}
else if (state == PreProcessControlState.MessageProcessed)
{
// Most of the interesting cases get processed by PreProcessControlMessage.
result = true;
}
Debug.WriteLine("OnPreKeyEvent: KeyType: {0} 0x{1:X} Modifiers: {2}", type, windowsKeyCode, modifiers);
Debug.WriteLine("OnPreKeyEvent PreProcessControlState: {0}", state);
return(result);
}
void IRequestHandler.OnRenderViewReady(IWebBrowser browserControl, IBrowser browser)
{
}
bool IRequestHandler.OnBeforeBrowse(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, bool isRedirect)
{
return(false);
}
public void OnResourceRedirect(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response, ref string newUrl)
{
}
public bool OnSelectClientCertificate(IWebBrowser browserControl, IBrowser browser, bool isProxy, string host, int port, X509Certificate2Collection certificates, ISelectClientCertificateCallback callback)
{
return(true);
}
public IResponseFilter GetResourceResponseFilter(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response)
{
return(new ResourceResponseFilter());
}
public void OnResourceLoadComplete(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response, UrlRequestStatus status, long receivedContentLength)
{
}
public bool OnBeforePopup(CefSharp.IWebBrowser browserControl, IBrowser browser, IFrame frame, string targetUrl, string targetFrameName, WindowOpenDisposition targetDisposition, bool userGesture, IWindowInfo windowInfo, ref bool noJavascriptAccess, out CefSharp.IWebBrowser newBrowser)
{
newBrowser = null;
return(true);
}
public void OnBeforeClose(CefSharp.IWebBrowser browserControl, IBrowser browser)
{
}
bool IRequestHandler.OnQuotaRequest(IWebBrowser browserControl, IBrowser browser, string originUrl, long newSize, IRequestCallback callback)
{
return(false);
}
bool IRequestHandler.OnProtocolExecution(IWebBrowser browserControl, IBrowser browser, string url)
{
return(false);
}
bool IRequestHandler.OnOpenUrlFromTab(IWebBrowser browserControl, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture)
{
return(OnOpenUrlFromTab(browserControl, browser, frame, targetUrl, targetDisposition, userGesture));
}
bool IRequestHandler.OnResourceResponse(IWebBrowser browserControl, IBrowser browser, IFrame frame, IRequest request, IResponse response)
{
return(false);
}
protected virtual bool OnOpenUrlFromTab(IWebBrowser browserControl, IBrowser browser, IFrame frame, string targetUrl, WindowOpenDisposition targetDisposition, bool userGesture)
{
return(false);
}
public bool OnKeyEvent(CefSharp.IWebBrowser chromiumWebBrowser, CefSharp.IBrowser browser, CefSharp.KeyType type, int windowsKeyCode, int nativeKeyCode, CefSharp.CefEventFlags modifiers, bool isSystemKey)
{
Debug.WriteLine("OnKeyEvent: KeyType: {0} 0x{1:X} Modifiers: {2}", type, windowsKeyCode, modifiers);
return(false);
}
bool IRequestHandler.OnCertificateError(IWebBrowser browserControl, IBrowser browser, CefErrorCode errorCode, string requestUrl, ISslInfo sslInfo, IRequestCallback callback)
{
callback.Dispose();
return(false);
}
bool CefSharp.IContextMenuHandler.OnContextMenuCommand(CefSharp.IWebBrowser browserControl, CefSharp.IBrowser browser, CefSharp.IFrame frame, CefSharp.IContextMenuParams parameters, CefSharp.CefMenuCommand commandId, CefSharp.CefEventFlags eventFlags)
{
//throw new NotImplementedException();
return(false);
}
void IRequestHandler.OnPluginCrashed(IWebBrowser browserControl, IBrowser browser, string pluginPath)
{
// TODO: Add your own code here for handling scenarios where a plugin crashed, for one reason or another.
}
bool CefSharp.IContextMenuHandler.RunContextMenu(CefSharp.IWebBrowser browserControl, CefSharp.IBrowser browser, CefSharp.IFrame frame, CefSharp.IContextMenuParams parameters, CefSharp.IMenuModel model, CefSharp.IRunContextMenuCallback callback)
{
return(false);
}
bool IRequestHandler.GetAuthCredentials(IWebBrowser browserControl, IBrowser browser, IFrame frame, bool isProxy, string host, int port, string realm, string scheme, IAuthCallback callback)
{
callback.Dispose();
return(false);
}
public bool OnJSBeforeUnload(CefSharp.IWebBrowser browserControl, CefSharp.IBrowser browser, string message,
bool isReload, CefSharp.IJsDialogCallback callback)
{
return(true);
}
void IRequestHandler.OnRenderProcessTerminated(IWebBrowser browserControl, IBrowser browser, CefTerminationStatus status)
{
}
public void OnResetDialogState(CefSharp.IWebBrowser browserControl, CefSharp.IBrowser browser)
{
}
public bool DoClose(CefSharp.IWebBrowser browserControl, IBrowser browser)
{
return(true);
}
