office-gobmx/sd/source/ui/view/FormShellManager.cxx
2010-04-13 12:10:03 +02:00

393 lines
11 KiB
C++
Executable file

/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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*
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*
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_sd.hxx"
#include "FormShellManager.hxx"
#include "EventMultiplexer.hxx"
#include "ViewShell.hxx"
#include "ViewShellBase.hxx"
#include "ViewShellManager.hxx"
#include "Window.hxx"
#include <svx/fmshell.hxx>
namespace sd {
namespace {
/** This factory is responsible for creating and deleting the FmFormShell.
*/
class FormShellManagerFactory
: public ::sd::ShellFactory<SfxShell>
{
public:
FormShellManagerFactory (ViewShell& rViewShell, FormShellManager& rManager);
virtual FmFormShell* CreateShell (ShellId nId, ::Window* pParentWindow, FrameView* pFrameView);
virtual void ReleaseShell (SfxShell* pShell);
private:
::sd::ViewShell& mrViewShell;
FormShellManager& mrFormShellManager;
};
} // end of anonymous namespace
FormShellManager::FormShellManager (ViewShellBase& rBase)
: mrBase(rBase),
mpFormShell(NULL),
mbFormShellAboveViewShell(false),
mpSubShellFactory(),
mbIsMainViewChangePending(false),
mpMainViewShellWindow(NULL)
{
// Register at the EventMultiplexer to be informed about changes in the
// center pane.
Link aLink (LINK(this, FormShellManager, ConfigurationUpdateHandler));
mrBase.GetEventMultiplexer()->AddEventListener(
aLink,
sd::tools::EventMultiplexerEvent::EID_MAIN_VIEW_REMOVED
| sd::tools::EventMultiplexerEvent::EID_MAIN_VIEW_ADDED
| sd::tools::EventMultiplexerEvent::EID_CONFIGURATION_UPDATED);
RegisterAtCenterPane();
}
FormShellManager::~FormShellManager (void)
{
SetFormShell(NULL);
UnregisterAtCenterPane();
// Unregister from the EventMultiplexer.
Link aLink (LINK(this, FormShellManager, ConfigurationUpdateHandler));
mrBase.GetEventMultiplexer()->RemoveEventListener(aLink);
if (mpSubShellFactory.get() != NULL)
{
ViewShell* pShell = mrBase.GetMainViewShell().get();
if (pShell != NULL)
mrBase.GetViewShellManager()->RemoveSubShellFactory(pShell,mpSubShellFactory);
}
}
void FormShellManager::SetFormShell (FmFormShell* pFormShell)
{
if (mpFormShell != pFormShell)
{
// Disconnect from the old form shell.
if (mpFormShell != NULL)
{
mpFormShell->SetControlActivationHandler(Link());
EndListening(*mpFormShell);
mpFormShell->SetView(NULL);
}
mpFormShell = pFormShell;
// Connect to the new form shell.
if (mpFormShell != NULL)
{
mpFormShell->SetControlActivationHandler(
LINK(
this,
FormShellManager,
FormControlActivated));
StartListening(*mpFormShell);
ViewShell* pMainViewShell = mrBase.GetMainViewShell().get();
if (pMainViewShell != NULL)
{
// Prevent setting the view twice at the FmFormShell.
FmFormView* pFormView = static_cast<FmFormView*>(pMainViewShell->GetView());
if (mpFormShell->GetFormView() != pFormView)
mpFormShell->SetView(pFormView);
}
}
// Tell the ViewShellManager where on the stack to place the form shell.
mrBase.GetViewShellManager()->SetFormShell(
mrBase.GetMainViewShell().get(),
mpFormShell,
mbFormShellAboveViewShell);
}
}
FmFormShell* FormShellManager::GetFormShell (void)
{
return mpFormShell;
}
void FormShellManager::RegisterAtCenterPane (void)
{
do
{
ViewShell* pShell = mrBase.GetMainViewShell().get();
if (pShell == NULL)
break;
// No form shell for the slide sorter. Besides that it is not
// necessary, using both together results in crashes.
if (pShell->GetShellType() == ViewShell::ST_SLIDE_SORTER)
break;
mpMainViewShellWindow = pShell->GetActiveWindow();
if (mpMainViewShellWindow == NULL)
break;
// Register at the window to get informed when to move the form
// shell to the bottom of the shell stack.
mpMainViewShellWindow->AddEventListener(
LINK(
this,
FormShellManager,
WindowEventHandler));
// Create a shell factory and with it activate the form shell.
OSL_ASSERT(mpSubShellFactory.get()==NULL);
mpSubShellFactory.reset(new FormShellManagerFactory(*pShell, *this));
mrBase.GetViewShellManager()->AddSubShellFactory(pShell,mpSubShellFactory);
mrBase.GetViewShellManager()->ActivateSubShell(*pShell, RID_FORMLAYER_TOOLBOX);
}
while (false);
}
void FormShellManager::UnregisterAtCenterPane (void)
{
do
{
if (mpMainViewShellWindow != NULL)
{
// Unregister from the window.
mpMainViewShellWindow->RemoveEventListener(
LINK(
this,
FormShellManager,
WindowEventHandler));
mpMainViewShellWindow = NULL;
}
// Unregister form at the form shell.
SetFormShell(NULL);
// Deactivate the form shell and destroy the shell factory.
ViewShell* pShell = mrBase.GetMainViewShell().get();
if (pShell != NULL)
{
mrBase.GetViewShellManager()->DeactivateSubShell(*pShell, RID_FORMLAYER_TOOLBOX);
mrBase.GetViewShellManager()->RemoveSubShellFactory(pShell, mpSubShellFactory);
}
mpSubShellFactory.reset();
}
while (false);
}
IMPL_LINK(FormShellManager, FormControlActivated, FmFormShell*, EMPTYARG)
{
// The form shell has been actived. To give it priority in reacting to
// slot calls the form shell is moved to the top of the object bar shell
// stack.
ViewShell* pShell = mrBase.GetMainViewShell().get();
if (pShell!=NULL && !mbFormShellAboveViewShell)
{
mbFormShellAboveViewShell = true;
ViewShellManager::UpdateLock aLock (mrBase.GetViewShellManager());
mrBase.GetViewShellManager()->SetFormShell(pShell,mpFormShell,mbFormShellAboveViewShell);
}
return 0;
}
IMPL_LINK(FormShellManager, ConfigurationUpdateHandler, sd::tools::EventMultiplexerEvent*, pEvent)
{
switch (pEvent->meEventId)
{
case sd::tools::EventMultiplexerEvent::EID_MAIN_VIEW_REMOVED:
UnregisterAtCenterPane();
break;
case sd::tools::EventMultiplexerEvent::EID_MAIN_VIEW_ADDED:
mbIsMainViewChangePending = true;
break;
case sd::tools::EventMultiplexerEvent::EID_CONFIGURATION_UPDATED:
if (mbIsMainViewChangePending)
{
mbIsMainViewChangePending = false;
RegisterAtCenterPane();
}
break;
default:
break;
}
return 0;
}
IMPL_LINK(FormShellManager, WindowEventHandler, VclWindowEvent*, pEvent)
{
if (pEvent != NULL)
{
switch (pEvent->GetId())
{
case VCLEVENT_WINDOW_GETFOCUS:
{
// The window of the center pane got the focus. Therefore
// the form shell is moved to the bottom of the object bar
// stack.
ViewShell* pShell = mrBase.GetMainViewShell().get();
if (pShell!=NULL && mbFormShellAboveViewShell)
{
mbFormShellAboveViewShell = false;
ViewShellManager::UpdateLock aLock (mrBase.GetViewShellManager());
mrBase.GetViewShellManager()->SetFormShell(
pShell,
mpFormShell,
mbFormShellAboveViewShell);
}
}
break;
case VCLEVENT_WINDOW_LOSEFOCUS:
// We follow the sloppy focus policy. Losing the focus is
// ignored. We wait for the focus to be placed either in
// the window or the form shell. The later, however, is
// notified over the FormControlActivated handler, not this
// one.
break;
case VCLEVENT_OBJECT_DYING:
mpMainViewShellWindow = NULL;
break;
}
}
return 0;
}
void FormShellManager::Notify(SfxBroadcaster&, const SfxHint& rHint)
{
const SfxSimpleHint* pSimpleHint = dynamic_cast<const SfxSimpleHint*>(&rHint);
if (pSimpleHint!=NULL && pSimpleHint->GetId()==SFX_HINT_DYING)
{
// If all goes well this listener is called after the
// FormShellManager was notified about the dying form shell by the
// FormShellManagerFactory.
OSL_ASSERT(mpFormShell==NULL);
if (mpFormShell != NULL)
{
mpFormShell = NULL;
mrBase.GetViewShellManager()->SetFormShell(
mrBase.GetMainViewShell().get(),
NULL,
false);
}
}
}
//===== FormShellManagerFactory ===============================================
namespace {
FormShellManagerFactory::FormShellManagerFactory (
::sd::ViewShell& rViewShell,
FormShellManager& rManager)
: mrViewShell(rViewShell),
mrFormShellManager(rManager)
{
}
FmFormShell* FormShellManagerFactory::CreateShell (
::sd::ShellId nId,
::Window*,
::sd::FrameView*)
{
FmFormShell* pShell = NULL;
::sd::View* pView = mrViewShell.GetView();
if (nId == RID_FORMLAYER_TOOLBOX)
{
pShell = new FmFormShell(&mrViewShell.GetViewShellBase(), pView);
mrFormShellManager.SetFormShell(pShell);
}
return pShell;
}
void FormShellManagerFactory::ReleaseShell (SfxShell* pShell)
{
if (pShell != NULL)
{
mrFormShellManager.SetFormShell(NULL);
delete pShell;
}
}
} // end of anonymous namespace
} // end of namespace sd