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// **************************************************************************
// * This file is part of the FreeFileSync project. It is distributed under *
// * GNU General Public License: http://www.gnu.org/licenses/gpl.html *
// * Copyright (C) 2008-2010 ZenJu (zhnmju123 AT gmx.de) *
// **************************************************************************
//
#include "trayMenu.h"
#include <wx/msgdlg.h>
#include <wx/taskbar.h>
#include <wx/app.h>
#include "resources.h"
//#include <memory>
#include <wx/utils.h>
#include <wx/menu.h>
#include "watcher.h"
#include <wx/utils.h>
#include <wx/log.h>
#include "../shared/staticAssert.h"
#include "../shared/buildInfo.h"
#include <wx/icon.h> //Linux needs this
#include <wx/timer.h>
using namespace RealtimeSync;
class WaitCallbackImpl : private wxEvtHandler, public RealtimeSync::WaitCallback //keep this order: else VC++ generated wrong code
{
public:
WaitCallbackImpl();
~WaitCallbackImpl();
virtual void requestUiRefresh();
void requestAbort()
{
m_abortRequested = true;
}
void OnRequestResume(wxCommandEvent& event)
{
m_resumeRequested = true;
}
enum Selection
{
CONTEXT_ABORT,
CONTEXT_RESTORE,
CONTEXT_ABOUT
};
void OnContextMenuSelection(wxCommandEvent& event);
private:
class RtsTrayIcon;
RtsTrayIcon* trayMenu;
bool m_abortRequested;
bool m_resumeRequested;
};
//RtsTrayIcon shall be a dumb class whose sole purpose is to enable wxWidgets deferred deletion
class WaitCallbackImpl::RtsTrayIcon : public wxTaskBarIcon
{
public:
RtsTrayIcon(WaitCallbackImpl* parent) : parent_(parent) {}
void parentHasDied() //call before tray icon is marked for deferred deletion
{
parent_ = NULL;
}
private:
virtual wxMenu* CreatePopupMenu()
{
if (!parent_)
return NULL;
wxMenu* contextMenu = new wxMenu;
contextMenu->Append(CONTEXT_RESTORE, _("&Restore"));
contextMenu->Append(CONTEXT_ABOUT, _("&About..."));
contextMenu->AppendSeparator();
contextMenu->Append(CONTEXT_ABORT, _("&Exit"));
//event handling
contextMenu->Connect(wxEVT_COMMAND_MENU_SELECTED, wxCommandEventHandler(WaitCallbackImpl::OnContextMenuSelection), NULL, parent_);
return contextMenu; //ownership transferred to caller
}
WaitCallbackImpl* parent_;
};
//##############################################################################################################
class AbortThisProcess //exception class
{
public:
AbortThisProcess(MonitorResponse command) : command_(command) {}
MonitorResponse getCommand() const
{
return command_;
}
private:
MonitorResponse command_;
};
//##############################################################################################################
WaitCallbackImpl::WaitCallbackImpl() :
m_abortRequested(false),
m_resumeRequested(false)
{
trayMenu = new RtsTrayIcon(this); //not in initialization list: give it a valid parent object!
#ifdef FFS_WIN
const wxIcon& realtimeIcon = *GlobalResources::getInstance().programIcon;
#elif defined FFS_LINUX
wxIcon realtimeIcon;
realtimeIcon.CopyFromBitmap(GlobalResources::getInstance().getImageByName(wxT("RTS_tray_linux.png"))); //use a 22x22 bitmap for perfect fit
#endif
trayMenu->SetIcon(realtimeIcon, wxString(wxT("RealtimeSync")) + wxT(" - ") + _("Monitoring active..."));
//register double-click
trayMenu->Connect(wxEVT_TASKBAR_LEFT_DCLICK, wxCommandEventHandler(WaitCallbackImpl::OnRequestResume), NULL, this);
}
WaitCallbackImpl::~WaitCallbackImpl()
{
trayMenu->Disconnect(wxEVT_TASKBAR_LEFT_DCLICK, wxCommandEventHandler(WaitCallbackImpl::OnRequestResume), NULL, this);
trayMenu->RemoveIcon(); //(try to) hide icon until final deletion takes place
trayMenu->parentHasDied();
//use wxWidgets delayed destruction: delete during next idle loop iteration (handle late window messages, e.g. when double-clicking)
if (!wxPendingDelete.Member(trayMenu))
wxPendingDelete.Append(trayMenu);
}
void WaitCallbackImpl::OnContextMenuSelection(wxCommandEvent& event)
{
const int eventId = event.GetId();
switch (static_cast<Selection>(eventId))
{
case CONTEXT_ABORT:
requestAbort();
break;
case CONTEXT_RESTORE:
OnRequestResume(event); //just remember: never throw exceptions through a C-Layer (GUI) ;)
break;
case CONTEXT_ABOUT:
{
//build information
wxString build = wxString(wxT("(")) + _("Build:") + wxT(" ") + __TDATE__;
#if wxUSE_UNICODE
build += wxT(" - Unicode");
#else
build += wxT(" - ANSI");
#endif //wxUSE_UNICODE
//compile time info about 32/64-bit build
if (Utility::is64BitBuild)
build += wxT(" x64)");
else
build += wxT(" x86)");
assert_static(Utility::is32BitBuild || Utility::is64BitBuild);
wxMessageDialog aboutDlg(NULL, wxString(wxT("RealtimeSync")) + wxT("\n\n") + build, _("About"), wxOK);
aboutDlg.ShowModal();
}
break;
}
}
void WaitCallbackImpl::requestUiRefresh()
{
if (updateUiIsAllowed())
wxTheApp->Yield();
if (m_abortRequested)
throw ::AbortThisProcess(QUIT);
if (m_resumeRequested)
throw ::AbortThisProcess(RESUME);
}
//##############################################################################################################
RealtimeSync::MonitorResponse RealtimeSync::startDirectoryMonitor(const xmlAccess::XmlRealConfig& config)
{
try
{
WaitCallbackImpl callback;
if (config.commandline.empty())
throw FreeFileSync::FileError(_("Command line is empty!"));
long lastExec = 0;
while (true)
{
wxExecute(config.commandline, wxEXEC_SYNC); //execute command
wxLog::FlushActive(); //show wxWidgets error messages (if any)
//wait
waitForChanges(config.directories, &callback);
lastExec = wxGetLocalTime();
//some delay
while (wxGetLocalTime() - lastExec < static_cast<long>(config.delay))
{
callback.requestUiRefresh();
wxMilliSleep(RealtimeSync::UI_UPDATE_INTERVAL);
}
}
}
catch (const ::AbortThisProcess& ab)
{
return ab.getCommand();
}
catch (const FreeFileSync::FileError& error)
{
wxMessageBox(error.show().c_str(), _("Error"), wxOK | wxICON_ERROR);
return RESUME;
}
return RESUME;
}
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