minimize searching for tlw parent, remove useless code

[wxWidgets.git] / src / common / gsocketiohandler.cpp

diff --git a/src/common/gsocketiohandler.cpp b/src/common/gsocketiohandler.cpp
index 35fd89640e56916f87bb90588bed38c8231c6ed5..f31a6ecf990e25155942bdbb39ddcf9909499ce6 100644 (file)
--- a/src/common/gsocketiohandler.cpp
+++ b/src/common/gsocketiohandler.cpp
@@ -2,10 +2,10 @@
 // Name:        src/common/gsocketiohandler.cpp
 // Purpose:     implementation of wxFDIOHandler for GSocket
 // Author:      Angel Vidal, Lukasz Michalski
-// Modified by:
 // Created:     08.24.06
 // RCS-ID:      $Id$
 // Copyright:   (c) 2006 Angel vidal
+//              (c) 2007 Vadim Zeitlin <vadim@wxwidgets.org>
 // License:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
@@ -20,180 +20,116 @@
 // for compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
-#if wxUSE_SOCKETS
+#if wxUSE_SOCKETS && wxUSE_SELECT_DISPATCHER
 
-#include "wx/private/gsocketiohandler.h"
+#include "wx/apptrait.h"
 #include "wx/unix/private.h"
-#include "wx/gsocket.h"
-#include "wx/unix/gsockunx.h"
+#include "wx/private/gsocketiohandler.h"
 
 // ============================================================================
 // implementation
 // ============================================================================
 
 // ----------------------------------------------------------------------------
-// wxGSocketIOHandler
+// GSocketSelectManager
 // ----------------------------------------------------------------------------
 
-wxGSocketIOHandler::wxGSocketIOHandler(GSocket* socket) 
-                  : m_socket(socket),
-                    m_flags(0)
-{
-
-};
-
-void wxGSocketIOHandler::OnReadWaiting(int fd)
-{
-    m_socket->Detected_Read();
-};
-
-void wxGSocketIOHandler::OnWriteWaiting(int fd) 
-{
-    m_socket->Detected_Write();
-};
-
-void wxGSocketIOHandler::OnExceptionWaiting(int fd) 
+class GSocketSelectManager : public GSocketFDBasedManager
 {
-    m_socket->Detected_Read();
+public:
+    virtual void Install_Callback(GSocket *socket, GSocketEvent event);
+    virtual void Uninstall_Callback(GSocket *socket, GSocketEvent event);
 };
 
-int wxGSocketIOHandler::GetFlags() const 
-{
-    return m_flags;
-};
-
-
-void wxGSocketIOHandler::RemoveFlag(wxSelectDispatcherEntryFlags flag)
-{
-    m_flags &= ~flag;
-};
-
-void wxGSocketIOHandler::AddFlag(wxSelectDispatcherEntryFlags flag)
-{
-    m_flags |= flag;
-};
-
-// ----------------------------------------------------------------------------
-// GSocket interface
-// ----------------------------------------------------------------------------
-
-bool GSocketGUIFunctionsTableConcrete::CanUseEventLoop()
-{
-    return true;
-}
-
-bool GSocketGUIFunctionsTableConcrete::OnInit()
-{
-    return true;
+void GSocketSelectManager::Install_Callback(GSocket *socket,
+                                            GSocketEvent event)
+{
+    const int fd = socket->m_fd;
+
+    if ( fd == -1 )
+        return;
+
+    const SocketDir d = GetDirForEvent(socket, event);
+
+    wxFDIODispatcher * const dispatcher = wxFDIODispatcher::Get();
+    if ( !dispatcher )
+        return;
+
+    wxGSocketIOHandler *& handler = socket->m_handler;
+
+    // we should register the new handlers but modify the existing ones in place
+    bool registerHandler;
+    if ( handler )
+    {
+        registerHandler = false;
+    }
+    else // no existing handler
+    {
+        registerHandler = true;
+        handler = new wxGSocketIOHandler(socket);
+    }
+
+    FD(socket, d) = fd;
+    if (d == FD_INPUT)
+    {
+        handler->AddFlag(wxFDIO_INPUT);
+    }
+    else
+    {
+        handler->AddFlag(wxFDIO_OUTPUT);
+    }
+
+    if ( registerHandler )
+        dispatcher->RegisterFD(fd, handler, handler->GetFlags());
+    else
+        dispatcher->ModifyFD(fd, handler, handler->GetFlags());
 }
 
-void GSocketGUIFunctionsTableConcrete::OnExit()
-{
+void GSocketSelectManager::Uninstall_Callback(GSocket *socket,
+                                              GSocketEvent event)
+{
+    const SocketDir d = GetDirForEvent(socket, event);
+
+    const int fd = FD(socket, d);
+    if ( fd == -1 )
+        return;
+
+    FD(socket, d) = -1;
+
+    const wxFDIODispatcherEntryFlags
+        flag = d == FD_INPUT ? wxFDIO_INPUT : wxFDIO_OUTPUT;
+
+    wxFDIODispatcher * const dispatcher = wxFDIODispatcher::Get();
+    if ( !dispatcher )
+        return;
+
+    wxGSocketIOHandler *& handler = socket->m_handler;
+    if ( handler )
+    {
+        handler->RemoveFlag(flag);
+
+        if ( !handler->GetFlags() )
+        {
+            dispatcher->UnregisterFD(fd);
+            delete handler;
+            socket->m_handler = NULL;
+        }
+        else
+        {
+            dispatcher->ModifyFD(fd, handler, handler->GetFlags());
+        }
+    }
+    else
+    {
+        dispatcher->UnregisterFD(fd);
+    }
 }
 
-bool GSocketGUIFunctionsTableConcrete::Init_Socket(GSocket *socket)
+GSocketManager *wxAppTraits::GetSocketManager()
 {
-  int *m_id;
+    static GSocketSelectManager s_manager;
 
-  socket->m_gui_dependent = (char *)malloc(sizeof(int)*2);
-  m_id = (int *)(socket->m_gui_dependent);
-
-  m_id[0] = -1;
-  m_id[1] = -1;
-
-  return true;
-}
-
-void GSocketGUIFunctionsTableConcrete::Destroy_Socket(GSocket *socket)
-{
-  free(socket->m_gui_dependent);
-}
-
-void GSocketGUIFunctionsTableConcrete::Install_Callback(GSocket *socket,
-                                                        GSocketEvent event)
-{
-  int *m_id = (int *)(socket->m_gui_dependent);
-  int c;
-
-  if (socket->m_fd == -1)
-    return;
-
-  switch (event)
-  {
-    case GSOCK_LOST:       /* fall-through */
-    case GSOCK_INPUT:      c = 0; break;
-    case GSOCK_OUTPUT:     c = 1; break;
-    case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
-    default: return;
-  }
-
-  wxGSocketIOHandler* handler = (wxGSocketIOHandler*)(wxSelectDispatcher::Get().FindHandler(socket->m_fd));
-  if (handler == NULL)
-  {
-      handler = new wxGSocketIOHandler(socket);
-  };
-
-  if (c == 0)
-  {
-      m_id[0] = socket->m_fd;
-      handler->AddFlag(wxSelectInput);
-  }
-  else
-  {
-      m_id[1] = socket->m_fd;
-      handler->AddFlag(wxSelectOutput);
-  }
-
-  wxSelectDispatcher::Get().RegisterFD(socket->m_fd,handler,handler->GetFlags());
-}
-
-void GSocketGUIFunctionsTableConcrete::Uninstall_Callback(GSocket *socket,
-                                                          GSocketEvent event)
-{
-  int *m_id = (int *)(socket->m_gui_dependent);
-  int c;
-
-  switch (event)
-  {
-    case GSOCK_LOST:       /* fall-through */
-    case GSOCK_INPUT:      c = 0; break;
-    case GSOCK_OUTPUT:     c = 1; break;
-    case GSOCK_CONNECTION: c = ((socket->m_server) ? 0 : 1); break;
-    default: return;
-  }
-
-  wxGSocketIOHandler* handler = NULL;
-  if ( m_id[c] != -1 )
-  {
-      if ( c == 0 )
-      {
-          handler = (wxGSocketIOHandler*)wxSelectDispatcher::Get().UnregisterFD(m_id[c], wxSelectInput);
-          if (handler != NULL)
-              handler->RemoveFlag(wxSelectInput);
-      }
-      else
-      {
-          handler = (wxGSocketIOHandler*)wxSelectDispatcher::Get().UnregisterFD(m_id[c], wxSelectOutput);
-          if (handler != NULL)
-              handler->RemoveFlag(wxSelectOutput);
-      }
-      if (handler && handler->GetFlags() == 0)
-          delete handler;
-  }
-
-  m_id[c] = -1;
-}
-
-void GSocketGUIFunctionsTableConcrete::Enable_Events(GSocket *socket)
-{
-  Install_Callback(socket, GSOCK_INPUT);
-  Install_Callback(socket, GSOCK_OUTPUT);
-}
-
-void GSocketGUIFunctionsTableConcrete::Disable_Events(GSocket *socket)
-{
-  Uninstall_Callback(socket, GSOCK_INPUT);
-  Uninstall_Callback(socket, GSOCK_OUTPUT);
+    return &s_manager;
 }
 
 #endif // wxUSE_SOCKETS