office-gobmx/framework/inc/dispatch/helpagentdispatcher.hxx
2011-03-29 21:40:28 +01:00

207 lines
8.7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef __FRAMEWORK_DISPATCH_HELPAGENTDISPATCHER_HXX_
#define __FRAMEWORK_DISPATCH_HELPAGENTDISPATCHER_HXX_
#include <threadhelp/threadhelpbase.hxx>
#include <macros/xinterface.hxx>
#include <macros/xtypeprovider.hxx>
#include <com/sun/star/frame/XDispatch.hpp>
#include <com/sun/star/frame/XFrame.hpp>
#include <com/sun/star/awt/XWindowListener.hpp>
#include <com/sun/star/awt/XWindow.hpp>
#include <svtools/helpagentwindow.hxx>
#include <vcl/timer.hxx>
#include <vcl/evntpost.hxx>
#include <cppuhelper/weak.hxx>
//........................................................................
namespace framework
{
// define css alias ... and undefine it at the end of this file !!!
#ifdef css
#error "I tried to use css as namespace define inside non exported header ... but it was already defined by somwhere else. .-)"
#else
#define css ::com::sun::star
#endif
//........................................................................
class HelpAgentDispatcher : public css::lang::XTypeProvider
, public css::frame::XDispatch
, public css::awt::XWindowListener // => css::lang::XEventListener
, public ::svt::IHelpAgentCallback
, private ThreadHelpBase
, public ::cppu::OWeakObject
{
private:
//---------------------------------------
/// @short represent the current active help URL, which must be used to show the right help page
::rtl::OUString m_sCurrentURL;
//---------------------------------------
/// @short parent of the agent window.
css::uno::Reference< css::awt::XWindow > m_xContainerWindow;
//---------------------------------------
/// @short the agent window itself (implemented in svtools)
css::uno::Reference< css::awt::XWindow > m_xAgentWindow;
//---------------------------------------
/// @short the timer for showing the agent window
Timer m_aTimer;
//---------------------------------------
/** @short hold this dispatcher alive till the timer was killed or expired!
@descr Because the vcl timer knows us by using a pointer ... and our instance is used
ref counted normaly it can happen that our reference goes down to 0 ... and the timer
runs into some trouble. So we hold us self alive till the timer could be stopped or expired.
*/
css::uno::Reference< css::uno::XInterface > m_xSelfHold;
public:
HelpAgentDispatcher(const css::uno::Reference< css::frame::XFrame >& xParentFrame);
FWK_DECLARE_XINTERFACE
FWK_DECLARE_XTYPEPROVIDER
// css::frame::XDispatch
virtual void SAL_CALL dispatch(const css::util::URL& sURL ,
const css::uno::Sequence< css::beans::PropertyValue >& lArgs)
throw(css::uno::RuntimeException);
virtual void SAL_CALL addStatusListener(const css::uno::Reference< css::frame::XStatusListener >& xListener,
const css::util::URL& aURL )
throw(css::uno::RuntimeException);
virtual void SAL_CALL removeStatusListener(const css::uno::Reference< css::frame::XStatusListener >& xListener,
const css::util::URL& aURL )
throw(css::uno::RuntimeException);
// css::awt::XWindowListener
virtual void SAL_CALL windowResized(const css::awt::WindowEvent& aSource)
throw(css::uno::RuntimeException);
virtual void SAL_CALL windowMoved(const css::awt::WindowEvent& aSource)
throw(css::uno::RuntimeException);
virtual void SAL_CALL windowShown(const css::lang::EventObject& aSource)
throw(css::uno::RuntimeException);
virtual void SAL_CALL windowHidden(const css::lang::EventObject& aSource)
throw(css::uno::RuntimeException);
// css::lang::XEventListener
virtual void SAL_CALL disposing(const css::lang::EventObject& aSource)
throw(css::uno::RuntimeException);
protected:
~HelpAgentDispatcher();
protected:
/// IHelpAgentCallback overridables
virtual void helpRequested();
virtual void closeAgent();
private:
//---------------------------------------
/** @short mark the current set URL as "accepted by user" and show the right help window
*/
void implts_acceptCurrentURL();
//---------------------------------------
/** @short mark the current set URL as "ignored by user"
*/
void implts_ignoreCurrentURL();
//---------------------------------------
/** @short ensures that the agent's window exists
@descr We create the agent window on demand. But afterwards we hold it alive till
this helpagent dispatcher dies. The agent window will be made visible/hidden
in case a new dispatch occures or in case the timer expired.
@return [sal_Bool]
sal_True in case the member m_xAgentWindow is a valid reference;
sal_False otherwise.
*/
css::uno::Reference< css::awt::XWindow > implts_ensureAgentWindow();
//---------------------------------------
/** @short show the agent window.
@descr If the agent window does not exists, it will be created on demand.
(see implts_ensureAgentWindow). Further it's checked if the parent container
window is currently visible or not. Only if its visible the agent window will
be shown too.
*/
void implts_showAgentWindow();
//---------------------------------------
/** @short hide the agent window.
*/
void implts_hideAgentWindow();
//---------------------------------------
/** @short set the new position and size of the agent window.
@descr If the agent window does not exists, it will be created on demand.
(see implts_ensureAgentWindow).
If the agent window exists, its position and size will be calculated
and set.
*/
void implts_positionAgentWindow();
//---------------------------------------
/** @short starts the timer for showing the agent window.
@descr The timer wont be started twice ... this method checks the current running state .-)
*/
void implts_startTimer();
//---------------------------------------
/** @short stop the timer.
@descr The timer wont be stopped twice ... this method checks the current running state .-)
Further this method marks the current help URL (m_xCurrentURL) as "ignorable".
Cause the user ignored it !
*/
void implts_stopTimer();
//---------------------------------------
/** @short callback of our internal timer.
*/
DECL_LINK(implts_timerExpired, void*);
};
#undef css
//........................................................................
} // namespace framework
//........................................................................
#endif // _FRAMEWORK_DISPATCH_HELPAGENTDISPATCHER_HXX_
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