Resolves: tdf#122404 unlock just the toplevels that were locked

push what toplevels got locked to just unlock those ones. otherwise the just
dismissed toplevel may still be present in the Application toplevel list.

merge all the similar examples of this.

Change-Id: I77c0d55d1e4b3bcc3b8d88fef00ba289edd1e831
Reviewed-on: https://gerrit.libreoffice.org/66078
Tested-by: Jenkins
Tested-by: Xisco Faulí <xiscofauli@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

8 files changed, 59 insertions, 94 deletions

diff --git a/desktop/source/deployment/gui/dp_gui_dialog2.cxx b/desktop/source/deployment/gui/dp_gui_dialog2.cxx
index 62e2e301bfc4..765ac22a49f6 100644
--- a/desktop/source/deployment/gui/dp_gui_dialog2.cxx
+++ b/desktop/source/deployment/gui/dp_gui_dialog2.cxx
@@ -340,7 +340,6 @@ DialogHelper::DialogHelper(const uno::Reference< uno::XComponentContext > &xCont
                            Dialog *pWindow)
     : m_xVCLWindow(pWindow)
     , m_nEventID(nullptr)
-    , m_nBusy(0)
 {
     m_xContext = xContext;
 }
@@ -462,34 +461,6 @@ void DialogHelper::PostUserEvent( const Link<void*,void>& rLink, void* pCaller )
     m_nEventID = Application::PostUserEvent( rLink, pCaller, true/*bReferenceLink*/ );
 }
 
-void DialogHelper::incBusy()
-{
-    ++m_nBusy;
-    // lock any toplevel windows from being closed until busy is over
-    // ensure any dialogs are reset before entering
-    vcl::Window *xTopWin = Application::GetFirstTopLevelWindow();
-    while (xTopWin)
-    {
-        if (xTopWin != m_xVCLWindow)
-            xTopWin->IncModalCount();
-        xTopWin = Application::GetNextTopLevelWindow(xTopWin);
-    }
-}
-
-void DialogHelper::decBusy()
-{
-    --m_nBusy;
-    // unlock any toplevel windows from being closed until busy is over
-    // ensure any dialogs are reset before entering
-    vcl::Window *xTopWin = Application::GetFirstTopLevelWindow();
-    while (xTopWin)
-    {
-        if (xTopWin != m_xVCLWindow)
-            xTopWin->DecModalCount();
-        xTopWin = Application::GetNextTopLevelWindow(xTopWin);
-    }
-}
-
 //                             ExtMgrDialog
 ExtMgrDialog::ExtMgrDialog(vcl::Window *pParent, TheExtensionManager *pManager, Dialog::InitFlag eFlag)
     : ModelessDialog(pParent, "ExtensionManagerDialog", "desktop/ui/extensionmanager.ui", eFlag)
diff --git a/desktop/source/deployment/gui/dp_gui_dialog2.hxx b/desktop/source/deployment/gui/dp_gui_dialog2.hxx
index dd0dc8bb8160..a2d88c0f458e 100644
--- a/desktop/source/deployment/gui/dp_gui_dialog2.hxx
+++ b/desktop/source/deployment/gui/dp_gui_dialog2.hxx
@@ -29,6 +29,7 @@
 #include <vcl/prgsbar.hxx>
 #include <vcl/timer.hxx>
 #include <vcl/idle.hxx>
+#include <vcl/waitobj.hxx>
 #include <vcl/weld.hxx>
 
 #include <svtools/svmedit.hxx>
@@ -47,6 +48,9 @@
 #include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>
 #include <com/sun/star/util/XModifyListener.hpp>
 
+#include <stack>
+#include <vector>
+
 namespace dp_gui {
 
 
@@ -60,7 +64,7 @@ class DialogHelper
     css::uno::Reference< css::uno::XComponentContext > m_xContext;
     VclPtr<Dialog>  m_xVCLWindow;
     ImplSVEvent *   m_nEventID;
-    int             m_nBusy;
+    TopLevelWindowLocker m_aBusy;
 
 public:
                     DialogHelper( const css::uno::Reference< css::uno::XComponentContext > &,
@@ -91,14 +95,13 @@ public:
                                                const char* pResID,
                                                bool &bHadWarning );
 
-    void            incBusy();
-    void            decBusy();
-    bool            isBusy() const { return m_nBusy > 0; }
+    void            incBusy() { m_aBusy.incBusy(m_xVCLWindow); }
+    void            decBusy() { m_aBusy.decBusy(); }
+    bool            isBusy() const { return m_aBusy.isBusy(); }
     bool            installExtensionWarn(const OUString &rExtensionURL);
     bool            installForAllUsers(bool &bInstallForAll);
 };
 
-
 class ExtMgrDialog : public ModelessDialog,
                      public DialogHelper
 {
diff --git a/filter/source/xsltdialog/xmlfiltersettingsdialog.cxx b/filter/source/xsltdialog/xmlfiltersettingsdialog.cxx
index a65b5824664b..3aef69274ba8 100644
--- a/filter/source/xsltdialog/xmlfiltersettingsdialog.cxx
+++ b/filter/source/xsltdialog/xmlfiltersettingsdialog.cxx
@@ -132,32 +132,6 @@ void XMLFilterSettingsDialog::dispose()
     ModelessDialog::dispose();
 }
 
-void XMLFilterSettingsDialog::incBusy()
-{
-    // lock any toplevel windows from being closed until busy is over
-    // ensure any dialogs are reset before entering
-    vcl::Window *xTopWin = Application::GetFirstTopLevelWindow();
-    while (xTopWin)
-    {
-        if (xTopWin != this)
-            xTopWin->IncModalCount();
-        xTopWin = Application::GetNextTopLevelWindow(xTopWin);
-    }
-}
-
-void XMLFilterSettingsDialog::decBusy()
-{
-    // unlock any toplevel windows from being closed until busy is over
-    // ensure any dialogs are reset before entering
-    vcl::Window *xTopWin = Application::GetFirstTopLevelWindow();
-    while (xTopWin)
-    {
-        if (xTopWin != this)
-            xTopWin->DecModalCount();
-        xTopWin = Application::GetNextTopLevelWindow(xTopWin);
-    }
-}
-
 IMPL_LINK(XMLFilterSettingsDialog, ClickHdl_Impl, Button *, pButton, void )
 {
     // tdf#122171 block closing libreoffice until the following dialog is dismissed
diff --git a/filter/source/xsltdialog/xmlfiltersettingsdialog.hxx b/filter/source/xsltdialog/xmlfiltersettingsdialog.hxx
index e1e1d82418d5..6c1e89c4a9bd 100644
--- a/filter/source/xsltdialog/xmlfiltersettingsdialog.hxx
+++ b/filter/source/xsltdialog/xmlfiltersettingsdialog.hxx
@@ -27,6 +27,7 @@
 #include <vcl/dialog.hxx>
 #include <vcl/layout.hxx>
 #include <vcl/svtabbx.hxx>
+#include <vcl/waitobj.hxx>
 #include <svl/poolitem.hxx>
 #include <unotools/moduleoptions.hxx>
 
@@ -109,8 +110,8 @@ private:
     void    initFilterList();
     void    disposeFilterList();
 
-    void    incBusy();
-    void    decBusy();
+    void    incBusy() { maBusy.incBusy(this); }
+    void    decBusy() { maBusy.decBusy(); }
 
     bool    insertOrEdit( filter_info_impl* pNewInfo, const filter_info_impl* pOldInfo = nullptr );
 
@@ -126,6 +127,7 @@ private:
 
     std::vector< std::unique_ptr<filter_info_impl> > maFilterVector;
 
+    TopLevelWindowLocker maBusy;
     VclPtr<XMLFilterListBox>   m_pFilterListBox;
     VclPtr<SvxPathControl> m_pCtrlFilterList;
     VclPtr<PushButton> m_pPBNew;
diff --git a/include/sfx2/sfxhelp.hxx b/include/sfx2/sfxhelp.hxx
index eaee5346b30e..d7afeb2b9af0 100644
--- a/include/sfx2/sfxhelp.hxx
+++ b/include/sfx2/sfxhelp.hxx
@@ -40,8 +40,6 @@ private:
     SAL_DLLPRIVATE virtual bool Start(const OUString& rURL, weld::Widget* pWidget) override;
     SAL_DLLPRIVATE static OUString GetHelpModuleName_Impl(const OUString &rHelpId);
     SAL_DLLPRIVATE static OUString CreateHelpURL_Impl( const OUString& aCommandURL, const OUString& rModuleName );
-    SAL_DLLPRIVATE static void incBusy(const vcl::Window* pParent);
-    SAL_DLLPRIVATE static void decBusy(const vcl::Window* pParent);
 
 public:
     SfxHelp();
diff --git a/include/vcl/waitobj.hxx b/include/vcl/waitobj.hxx
index daf0e2a68a4f..858f49d4ae9b 100644
--- a/include/vcl/waitobj.hxx
+++ b/include/vcl/waitobj.hxx
@@ -23,6 +23,9 @@
 #include <vcl/dllapi.h>
 #include <vcl/window.hxx>
 
+#include <stack>
+#include <vector>
+
 class VCL_DLLPUBLIC WaitObject
 {
 private:
@@ -37,6 +40,18 @@ public:
                 ~WaitObject();
 };
 
+class VCL_DLLPUBLIC TopLevelWindowLocker
+{
+private:
+    std::stack<std::vector<VclPtr<vcl::Window>>> m_aBusyStack;
+public:
+    // lock all toplevels, except the argument
+    void incBusy(const vcl::Window* pIgnore);
+    // unlock previous lock
+    void decBusy();
+    bool isBusy() const { return !m_aBusyStack.empty(); }
+};
+
 #endif // INCLUDED_VCL_WAITOBJ_HXX
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sfx2/source/appl/sfxhelp.cxx b/sfx2/source/appl/sfxhelp.cxx
index 08de23e30de6..169d6a641425 100644
--- a/sfx2/source/appl/sfxhelp.cxx
+++ b/sfx2/source/appl/sfxhelp.cxx
@@ -60,6 +60,7 @@
 #include <rtl/uri.hxx>
 #include <vcl/commandinfoprovider.hxx>
 #include <vcl/layout.hxx>
+#include <vcl/waitobj.hxx>
 #include <vcl/weld.hxx>
 #include <svtools/ehdl.hxx>
 #include <svtools/sfxecode.hxx>
@@ -1023,32 +1024,6 @@ namespace
     }
 }
 
-void SfxHelp::incBusy(const vcl::Window* pParent)
-{
-    // lock any toplevel windows from being closed until busy is over
-    // ensure any dialogs are reset before entering
-    vcl::Window *xTopWin = Application::GetFirstTopLevelWindow();
-    while (xTopWin)
-    {
-        if (xTopWin != pParent)
-            xTopWin->IncModalCount();
-        xTopWin = Application::GetNextTopLevelWindow(xTopWin);
-    }
-}
-
-void SfxHelp::decBusy(const vcl::Window* pParent)
-{
-    // unlock any toplevel windows from being closed until busy is over
-    // ensure any dialogs are reset before entering
-    vcl::Window *xTopWin = Application::GetFirstTopLevelWindow();
-    while (xTopWin)
-    {
-        if (xTopWin != pParent)
-            xTopWin->DecModalCount();
-        xTopWin = Application::GetNextTopLevelWindow(xTopWin);
-    }
-}
-
 bool SfxHelp::Start_Impl(const OUString& rURL, const vcl::Window* pWindow, const OUString& rKeyword)
 {
     OUStringBuffer aHelpRootURL("vnd.sun.star.help://");
@@ -1155,9 +1130,11 @@ bool SfxHelp::Start_Impl(const OUString& rURL, const vcl::Window* pWindow, const
 
             pWindow = GetBestParent(pWindow);
 
+            TopLevelWindowLocker aBusy;
+
             if(bShowOfflineHelpPopUp)
             {
-                incBusy(pWindow);
+                aBusy.incBusy(pWindow);
                 std::unique_ptr<weld::Builder> xBuilder(Application::CreateBuilder(pWindow ? pWindow->GetFrameWeld() : nullptr, "sfx/ui/helpmanual.ui"));
                 std::unique_ptr<weld::MessageDialog> xQueryBox(xBuilder->weld_message_dialog("onlinehelpmanual"));
                 std::unique_ptr<weld::CheckButton> m_xHideOfflineHelpCB(xBuilder->weld_check_button("hidedialog"));
@@ -1168,7 +1145,7 @@ bool SfxHelp::Start_Impl(const OUString& rURL, const vcl::Window* pWindow, const
                 short OnlineHelpBox = xQueryBox->run();
                 bShowOfflineHelpPopUp = OnlineHelpBox != RET_OK;
                 aHelpOptions.SetOfflineHelpPopUp(!m_xHideOfflineHelpCB->get_state());
-                decBusy(pWindow);
+                aBusy.decBusy();
             }
             if(!bShowOfflineHelpPopUp)
             {
@@ -1176,10 +1153,10 @@ bool SfxHelp::Start_Impl(const OUString& rURL, const vcl::Window* pWindow, const
                     return true;
                 else
                 {
-                    incBusy(pWindow);
+                    aBusy.incBusy(pWindow);
                     NoHelpErrorBox aErrBox(pWindow ? pWindow->GetFrameWeld() : nullptr);
                     aErrBox.run();
-                    decBusy(pWindow);
+                    aBusy.decBusy();
                     return false;
                 }
             }
diff --git a/vcl/source/window/dialog.cxx b/vcl/source/window/dialog.cxx
index 71542d8bcf93..4b6a019263cc 100644
--- a/vcl/source/window/dialog.cxx
+++ b/vcl/source/window/dialog.cxx
@@ -43,6 +43,7 @@
 #include <vcl/layout.hxx>
 #include <vcl/svapp.hxx>
 #include <vcl/event.hxx>
+#include <vcl/waitobj.hxx>
 #include <vcl/wrkwin.hxx>
 #include <vcl/button.hxx>
 #include <vcl/mnemonic.hxx>
@@ -1548,4 +1549,28 @@ void Dialog::Activate()
     SystemWindow::Activate();
 }
 
+void TopLevelWindowLocker::incBusy(const vcl::Window* pIgnore)
+{
+    // lock any toplevel windows from being closed until busy is over
+    std::vector<VclPtr<vcl::Window>> aTopLevels;
+    vcl::Window *pTopWin = Application::GetFirstTopLevelWindow();
+    while (pTopWin)
+    {
+        if (pTopWin != pIgnore)
+            aTopLevels.push_back(pTopWin);
+        pTopWin = Application::GetNextTopLevelWindow(pTopWin);
+    }
+    for (auto& a : aTopLevels)
+        a->IncModalCount();
+    m_aBusyStack.push(aTopLevels);
+}
+
+void TopLevelWindowLocker::decBusy()
+{
+    // unlock locked toplevel windows from being closed now busy is over
+    for (auto& a : m_aBusyStack.top())
+        a->DecModalCount();
+    m_aBusyStack.pop();
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */