text: // Copyright © 2014 The CefSharp Authors. All rights reserved.
  //
  // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
  
  #include "Stdafx.h"
  
  #include "NativeMethodWrapper.h"
  
  namespace CefSharp
  {
      namespace Core
      {
          void NativeMethodWrapper::MemoryCopy(IntPtr dest, IntPtr src, int numberOfBytes)
          {
              RtlCopyMemory(dest.ToPointer(), src.ToPointer(), numberOfBytes);
          }
  
          bool NativeMethodWrapper::IsFocused(IntPtr handle)
          {
              // Ask Windows which control has the focus and then check if it's one of our children
              auto focusControl = GetFocus();
              return focusControl != 0 && (IsChild((HWND)handle.ToPointer(), focusControl) == 1);
          }
  
          void NativeMethodWrapper::SetWindowPosition(IntPtr handle, int x, int y, int width, int height)
          {
              HWND browserHwnd = static_cast<HWND>(handle.ToPointer());
              if (browserHwnd)
              {
                  if (width == 0 && height == 0)
                  {
                      // For windowed browsers when the frame window is minimized set the
                      // browser window size to 0x0 to reduce resource usage.
                      SetWindowPos(browserHwnd, NULL, 0, 0, 0, 0, SWP_NOZORDER | SWP_NOMOVE | SWP_NOACTIVATE);
                  }
                  else
                  {
                      SetWindowPos(browserHwnd, NULL, x, y, width, height, SWP_NOZORDER);
                  }
              }
          }
  
          void NativeMethodWrapper::SetWindowParent(IntPtr child, IntPtr newParent)
          {
              HWND childHwnd = static_cast<HWND>(child.ToPointer());
              HWND newParentHwnd = static_cast<HWND>(newParent.ToPointer());
  
              SetParent(childHwnd, newParentHwnd);
          }
  
          void NativeMethodWrapper::RemoveExNoActivateStyle(IntPtr browserHwnd)
          {
              HWND hwnd = static_cast<HWND>(browserHwnd.ToPointer());
  
              auto exStyle = GetWindowLongPtr(hwnd, GWL_EXSTYLE);
  
              if (exStyle & WS_EX_NOACTIVATE)
              {
                  //Remove WS_EX_NOACTIVATE
                  SetWindowLongPtr(hwnd, GWL_EXSTYLE, exStyle & ~WS_EX_NOACTIVATE);
              }
          }
  
          IntPtr NativeMethodWrapper::LoadCursorFromLibCef(int resourceIdentifier)
          {
              auto moduleName = L"libcef.dll";
  
              HMODULE hModule = GetModuleHandle(moduleName);
  
              if (hModule == nullptr)
              {
                  return IntPtr::Zero;
              }
  
              auto lpCursorName = MAKEINTRESOURCE(resourceIdentifier);
  
              auto cursor = LoadCursor(hModule, lpCursorName);
  
              return static_cast<IntPtr>(cursor);
          }        
      }
  }
  