/// <summary>
/// Creates the browser.
/// </summary>
/// <param name="handle">The handle.</param>
/// <param name="position">The position.</param>
protected void CreateBrowser(IntPtr handle, CefRectangle position)
{
Application.Current.EnsureCefThread();
if (IsBrowserCreated)
{
throw new InvalidOperationException("Browser already created.");
}
Logger.Info("Creating browser.");
var cefWindowInfo = CefWindowInfo.Create();
cefWindowInfo.SetAsChild(handle, position);
var cefClient = new Client();
cefClient.BrowserCreated += (sender, e) =>
{
CefBrowser = e.CefBrowser;
if (BrowserCreated != null)
{
BrowserCreated(this, e);
}
};
var cefSettings = new CefBrowserSettings();
CefBrowserHost.CreateBrowser(cefWindowInfo, cefClient, cefSettings, Application.Current.GetContentUrl(View));
IsBrowserCreated = true;
Logger.Info("Browser created.");
}
protected override bool GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
rect.X = rect.Y = 0;
rect.Width = FRenderer.Size.Width;
rect.Height = FRenderer.Size.Height;
return(true);
}
internal FindResultEventArgs(int count, CefRectangle selectionRect, int activeMatchOrdinal, bool finalUpdate)
{
Count = count;
SelectionRect = selectionRect;
ActiveMatchOrdinal = activeMatchOrdinal;
FinalUpdate = finalUpdate;
}
internal bool GetViewRect(ref CefRectangle rect)
{
bool rectProvided = false;
CefRectangle browserRect = new CefRectangle();
// TODO: simplify this
//_mainUiDispatcher.Invoke(DispatcherPriority.Normal, new Action(delegate
//{
try
{
// The simulated screen and view rectangle are the same. This is necessary
// for popup menus to be located and sized inside the view.
browserRect.X = browserRect.Y = 0;
browserRect.Width = ViewSize.X;
browserRect.Height = ViewSize.Y;
rectProvided = true;
}
catch (Exception ex)
{
Log.Error("WebBrowserControl: Caught exception in GetViewRect(): " + ex.Message);
rectProvided = false;
}
//}));
if (rectProvided)
{
rect = browserRect;
}
//_logger.Debug("GetViewRect result provided:{0} Rect: X{1} Y{2} H{3} W{4}", rectProvided, browserRect.X, browserRect.Y, browserRect.Height, browserRect.Width);
return(rectProvided);
}
internal bool GetViewRect(ref CefRectangle rect)
{
bool rectProvided = false;
CefRectangle browserRect = new CefRectangle();
// TODO: simplify this
try
{
// The simulated screen and view rectangle are the same. This is necessary
// for popup menus to be located and sized inside the view.
browserRect.X = browserRect.Y = 0;
browserRect.Width = (int)_browserWidth;
browserRect.Height = (int)_browserHeight;
rectProvided = true;
}
catch (Exception ex)
{
_logger.ErrorException("WpfCefBrowser: Caught exception in GetViewRect()", ex);
rectProvided = false;
}
if (rectProvided)
{
rect = browserRect;
}
_logger.Debug("GetViewRect result provided:{0} Rect: X{1} Y{2} H{3} W{4}", rectProvided, browserRect.X, browserRect.Y, browserRect.Height, browserRect.Width);
return(rectProvided);
}
/// <summary>
/// 处理获取当前ViewRect的事件
/// </summary>
public void HandleGetViewRect(CefBrowser browser, ref CefRectangle rect)
{
rect.X = 0;
rect.Y = 0;
rect.Width = (int)_windowsWidth;
rect.Height = (int)_windowsHeight;
}
protected override void GetViewRect(CefBrowser browser, out CefRectangle rect)
{
var logicalSize = renderer.Size.DeviceToLogical(renderer.ScaleFactor);
var width = Math.Max(1, (int)Math.Ceiling(logicalSize.X));
var height = Math.Max(1, (int)Math.Ceiling(logicalSize.Y));
rect = new CefRectangle(0, 0, width, height);
}
protected override bool GetRootScreenRect(CefBrowser browser, ref CefRectangle rect)
{
rect.X = 0;
rect.Y = 0;
rect.Width = offscreenBrowser.Width;
rect.Height = offscreenBrowser.Height;
return(true);
}
protected override bool GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
rect.X = 0;
rect.Y = 0;
rect.Width = this._windowWidth;
rect.Height = this._windowHeight;
return(true);
}
protected override bool GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
if (SizeEvent != null)
{
return(SizeEvent(ref rect));
}
return(false);
}
protected override bool GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
rect.X = 0;
rect.Y = 0;
rect.Width = mClient.BrowserTexture.width;
rect.Height = mClient.BrowserTexture.height;
return(true);
}
protected override bool GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
//see https://www.magpcss.org/ceforum/viewtopic.php?f=6&t=12835
rect.X = 0; //_windowX;
rect.Y = 0; //_windowY;
rect.Width = _windowWidth;
rect.Height = _windowHeight;
return(true);
}
protected override bool GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
//rect.X = 0;
//rect.Y = 0;
//rect.Width = client.WindowsWidth;
//rect.Height = client.WindowsHeight;
this._renderOwner.HandleGetViewRect(browser, ref rect);
return(true);
}
public bool Size(ref CefRectangle rect)
{
rect.X = 0;
rect.Y = 0;
rect.Width = BrowserConfig.BrowserSourceSettings.Width;
rect.Height = BrowserConfig.BrowserSourceSettings.Height;
return(true);
}
} // End Function GetViewRectImpl
protected override void GetViewRect(CefBrowser browser, out CefRectangle rect)
{
System.Console.WriteLine("GetViewRect");
rect = new CefRectangle();
GetViewRectImpl(browser, ref rect);
// return true;
} // End Sub GetViewRect
protected override Boolean GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
rect.X = 0;
rect.Y = 0;
rect.Width = this.Client.Width;
rect.Height = this.Client.Height;
Log.Trace("RenderHandler.GetViewRect( X: {0}, Y: {1}, Width: {2}, Height: {3} )", rect.X, rect.Y, rect.Width, rect.Height);
return(true);
}
} // End Function GetScreenPoint
protected bool GetViewRectImpl(CefBrowser browser, ref CefRectangle rect)
{
System.Console.WriteLine("GetViewRectImpl");
rect.X = 0;
rect.Y = 0;
rect.Width = _windowWidth;
rect.Height = _windowHeight;
return(true);
} // End Function GetViewRectImpl
protected override void OnPaint(CefBrowser browser, CefPaintElementType type, CefRectangle[] dirtyRects, IntPtr buffer, int width, int height)
{
_logger.Debug("Type: {0} Buffer: {1:X8} Width: {2} Height: {3}", type, buffer, width, height);
foreach (var rect in dirtyRects)
{
_logger.Debug(" DirtyRect: X={0} Y={1} W={2} H={3}", rect.X, rect.Y, rect.Width, rect.Height);
}
if (type == CefPaintElementType.View)
{
_owner.HandleViewPaint(browser, type, dirtyRects, buffer, width, height);
}
// else if (type == CefPaintElementType.Popup)
// this.browser.HandleWidgetPaint(browser, type, dirtyRects, buffer, width, height);
}
/// <summary>
/// 打开或者关闭DevTools
/// </summary>
/// <param name="_core"></param>
/// <param name="browser"></param>
public static void DevTools(CefWebBrowser _core, CefBrowser browser)
{
MainForm.Instance.Invoke(new Action(() =>
{
if (!_core.DevToolsOpen)
{
if (MainForm.Instance.faTabStrip1.SelectedItem.DevToolsName == null || MainForm.Instance.faTabStrip1.SelectedItem.DevToolsName == string.Empty)
{
CefWindowInfo CefWindowInfo1;
int devWidth = MainForm.Instance.faTabStrip1.SelectedItem.Width;
MainForm.Instance.faTabStrip1.SelectedItem.splic.Panel1.AutoScroll = true;
MainForm.Instance.faTabStrip1.SelectedItem.splic.Panel2.AutoScroll = true;
MainForm.Instance.faTabStrip1.SelectedItem.splic.Panel2Collapsed = false;
MainForm.Instance.faTabStrip1.SelectedItem.Tag = _core;
CefWindowInfo1 = CefWindowInfo.Create();
CefWindowInfo1.X = devWidth / 2;
CefWindowInfo1.Y = 0;
CefRectangle rectangle = new CefRectangle(0, 0, devWidth / 2, _core.Height);
//此举是为了多个Devtools打开的情况，要让后面的FindwindowEX函数能找到这个窗口的句柄
MainForm.Instance.faTabStrip1.SelectedItem.DevToolsName = "CefDevTools" + DateTime.Now.ToString("yyyyMMddHHmmss");
CefWindowInfo1.SetAsWindow(MainForm.Instance.faTabStrip1.SelectedItem.splic.Panel2.Handle, rectangle, MainForm.Instance.faTabStrip1.SelectedItem.DevToolsName);
browser.GetHost().ShowDevTools(CefWindowInfo1, new DevFormClient(), new CefBrowserSettings(), new CefPoint(0, 0));
browser.GetHost().SetFocus(true);
_core.DevToolsOpen = MainForm.Instance.faTabStrip1.SelectedItem.DevToolsOpen = true;
MainForm.Instance.faTabStrip1.SelectedItem.ItemBrowser = browser;
MainForm.Instance.faTabStrip1.SelectedItem.splic.BackColor = SystemColors.ControlDark;
}
else
{
MainForm.Instance.faTabStrip1.SelectedItem.splic.Panel2Collapsed = false;
_core.DevToolsOpen = MainForm.Instance.faTabStrip1.SelectedItem.DevToolsOpen = true;
MainForm.Instance.faTabStrip1.SelectedItem.ItemBrowser = browser;
}
}
else
{
MainForm.Instance.faTabStrip1.SelectedItem.splic.Panel2Collapsed = true;
_core.DevToolsOpen = MainForm.Instance.faTabStrip1.SelectedItem.DevToolsOpen = false;
//_core = null;
MainForm.Instance.faTabStrip1.SelectedItem.ItemBrowser = null;
// MainForm.Instance.faTabStrip1.SelectedItem.DevToolsName = null;
ResizeWindow(browser.GetHost().GetWindowHandle(), MainForm.Instance.faTabStrip1.SelectedItem.Width, MainForm.Instance.faTabStrip1.SelectedItem.Height);
GC.Collect();
}
}));
}
protected override void GetViewRect(CefBrowser browser, out CefRectangle rect)
{
var handle = _owner.HostWindowHandle;
var scaleFactor = DpiHelper.GetScaleFactorForCurrentWindow(handle);
var clientRect = new RECT();
rect = new CefRectangle();
User32.GetClientRect(handle, ref clientRect);
rect.X = rect.Y = 0;
if (User32.IsIconic(handle) || clientRect.Width == 0 || clientRect.Height == 0)
{
var placement = new WINDOWPLACEMENT();
User32.GetWindowPlacement(_owner.HostWindowHandle, ref placement);
clientRect = placement.rcNormalPosition;
rect.Width = (int)(clientRect.Width / scaleFactor);
rect.Height = (int)(clientRect.Height / scaleFactor);
}
else
{
rect.Width = (int)(clientRect.Width / scaleFactor);
rect.Height = (int)(clientRect.Height / scaleFactor);
}
if (clientRect.Width != _view_width || clientRect.Height != _view_height)
{
_view_width = clientRect.Width;
_view_height = clientRect.Height;
DiscardDeviceResources();
}
}
internal void OnPopupSize(CefRectangle rect)
{
_mainUiDispatcher.Invoke(
new Action(
() =>
{
_popupImageBitmap = null;
_popupImageBitmap = new WriteableBitmap(
rect.Width,
rect.Height,
96,
96,
PixelFormats.Bgr32,
null);
_popupImage.Source = this._popupImageBitmap;
}));
}
protected override void OnPaint(CefBrowser browser, CefPaintElementType type, CefRectangle[] dirtyRects, IntPtr buffer, int width, int height)
{
synchronization.Post((_) =>
{
if (type == CefPaintElementType.View)
{
if (this.Resize(width, height))
{
((Device)this.GraphicsDevice).ImmediateContext.UpdateSubresource(this._offscreenBuffer, 0, null, buffer, this._width * 4, 0);
}
else
{
for (int i = 0; i < dirtyRects.Length; i++)
{
CefRectangle cefRectangle = dirtyRects[i];
((Device)this.GraphicsDevice).ImmediateContext.UpdateSubresource(this._offscreenBuffer, 0, new ResourceRegion?(new ResourceRegion(cefRectangle.X, cefRectangle.Y, 0, cefRectangle.X + cefRectangle.Width, cefRectangle.Y + cefRectangle.Height, 1)), buffer + cefRectangle.X * 4 + cefRectangle.Y * width * 4, this._width * 4, 0);
}
}
////try
////{
//// var Pointer = new DataPointer(buffer, this._windowWidth * this._windowHeight * 4);
//// this._offscreenBuffer.SetData(Pointer);
////}
////catch (Exception)
////{
////}
//for (int i = 0; i < dirtyRects.Length; i++)
//{
// CefRectangle cefRectangle = dirtyRects[i];
// var region = new ResourceRegion(cefRectangle.X, cefRectangle.Y, 0, cefRectangle.X + cefRectangle.Width, cefRectangle.Y + cefRectangle.Height, 1);
// var pointer = new DataPointer(buffer + cefRectangle.X * 4 + cefRectangle.Y * width * 4, cefRectangle.Width * cefRectangle.Height * 4);
// this._offscreenBuffer.SetData(pointer, 0, 0, region);
//}
}
((Device)this.GraphicsDevice).ImmediateContext.Flush();
}, null);
}
//internal void OnPopupShow(bool show)
//{
// if (_popup == null)
// {
// return;
// }
// _mainUiDispatcher.Invoke(new Action(() => _popup.IsOpen = show));
//}
internal void OnPopupSize(CefRectangle rect)
{
_mainUiDispatcher.Invoke(
new Action(
() =>
{
_popupImageBitmap = null;
_popupImageBitmap = new WriteableBitmap(
rect.Width,
rect.Height,
96,
96,
PixelFormats.Bgr32,
null);
_popupImage.Source = this._popupImageBitmap;
//_popup.Width = rect.Width;
//_popup.Height = rect.Height;
//_popup.HorizontalOffset = rect.X;
//_popup.VerticalOffset = rect.Y;
}));
}
} // End Constructor
protected override bool GetRootScreenRect(CefBrowser browser, ref CefRectangle rect)
{
System.Console.WriteLine("GetRootScreenRect");
return(GetViewRectImpl(browser, ref rect));
} // End Function GetRootScreenRect
} // throw new NotImplementedException();
protected override void OnPopupSize(CefBrowser browser, CefRectangle rect)
{
}
protected override void OnPopupSize(CefBrowser browser, CefRectangle rect)
{
// _owner.OnPopupSize(rect);
}
protected override bool GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
return(_owner.GetViewRect(ref rect));
}
protected override void OnFindResult(CefBrowser browser, int identifier, int count, CefRectangle selectionRect, int activeMatchOrdinal, bool finalUpdate)
{
//throw new NotImplementedException();
}
protected override void GetViewRect(CefBrowser browser, out CefRectangle rect)
{
_owner.GetViewRect(out rect);
}
protected override bool GetRootScreenRect(CefBrowser browser, ref CefRectangle rect)
{
return(GetViewRect(browser, ref rect));
}
protected override bool GetRootScreenRect(CefBrowser browser, ref CefRectangle rect)
{
_owner.GetViewRect(out rect);
return(true);
}
//protected override void OnPopupShow(CefBrowser browser, bool show)
//{
// _owner.OnPopupShow(show);
//}
protected override void OnPopupSize(CefBrowser browser, CefRectangle rect)
{
_owner.OnPopupSize(rect);
}
protected override bool GetViewRect(CefBrowser browser, ref CefRectangle rect)
{
return _owner.GetViewRect(ref rect);
}
