implementing callback for ruler invalidation

adding commands to fetch and changee ruler state
'.uno:RulerState' and '.uno:RulerStateChange'

Change-Id: I66107039a7ae5893691feb45c8ab2e4aa476ea76
Reviewed-on: https://gerrit.libreoffice.org/40727
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: pranavk <pranavk@collabora.co.uk>

6 files changed, 68 insertions, 1 deletions

diff --git a/sw/inc/unotxdoc.hxx b/sw/inc/unotxdoc.hxx
index 9316b919137e..797aec9512fa 100644
--- a/sw/inc/unotxdoc.hxx
+++ b/sw/inc/unotxdoc.hxx
@@ -64,6 +64,7 @@
 #include <rtl/ref.hxx>
 #include <svl/itemprop.hxx>
 #include <svx/fmdmod.hxx>
+#include <svx/ruler.hxx>
 #include <editeng/UnoForbiddenCharsTable.hxx>
 #include <cppuhelper/weak.hxx>
 #include <cppuhelper/implbase.hxx>
@@ -423,6 +424,8 @@ public:
     OUString getTrackedChanges() override;
     /// @see vcl::ITiledRenderable::getTrackedChangeAuthors().
     OUString getTrackedChangeAuthors() override;
+
+    OUString getRulerState() override;
     /// @see vcl::ITiledRenderable::getPostIts().
     OUString getPostIts() override;
     // css::tiledrendering::XTiledRenderable
diff --git a/sw/sdi/_viewsh.sdi b/sw/sdi/_viewsh.sdi
index 62e67f6b0d5c..d6ba21022c0e 100644
--- a/sw/sdi/_viewsh.sdi
+++ b/sw/sdi/_viewsh.sdi
@@ -235,6 +235,10 @@ interface BaseTextEditView
         StateMethod = StateTabWin ;
         DisableFlags="SfxDisableFlags::SwOnProtectedCursor";
     ]
+    SID_RULER_CHANGE_STATE
+    [
+        ExecMethod = ExecTabWin ;
+    ]
     SID_RULER_BORDERS // status()
     [
         ExecMethod = ExecTabWin ;
diff --git a/sw/source/uibase/inc/swruler.hxx b/sw/source/uibase/inc/swruler.hxx
index c8f1deb12842..7821d3f89281 100644
--- a/sw/source/uibase/inc/swruler.hxx
+++ b/sw/source/uibase/inc/swruler.hxx
@@ -41,6 +41,7 @@ public:
      * \param rRect ignored
      */
     virtual void Paint( vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect ) override;
+    const std::string CreateJsonNotification();
 
 protected:
     SwViewShell * mpViewShell;     //< Shell to check if there is any comments on doc and their visibility
@@ -50,6 +51,7 @@ protected:
     int         mnFadeRate;      //< From 0 to 100. 0 means not highlighted.
     ScopedVclPtr<VirtualDevice> maVirDev;      //< VirtualDevice of this window. Just for convenience.
 
+    void NotifyKit();
     /**
      * Callback function to handle a mouse button down event.
      *
diff --git a/sw/source/uibase/misc/swruler.cxx b/sw/source/uibase/misc/swruler.cxx
index c1c28dd50d9f..5c33febef4bc 100644
--- a/sw/source/uibase/misc/swruler.cxx
+++ b/sw/source/uibase/misc/swruler.cxx
@@ -24,9 +24,11 @@
 #include <vcl/window.hxx>
 #include <vcl/settings.hxx>
 #include "strings.hrc"
+#include <comphelper/lok.hxx>
+#include <LibreOfficeKit/LibreOfficeKitEnums.h>
+#include <boost/property_tree/json_parser.hpp>
 
 #define CONTROL_BORDER_WIDTH    1
-
 #define CONTROL_LEFT_OFFSET     6
 #define CONTROL_RIGHT_OFFSET    3
 #define CONTROL_TOP_OFFSET      4
@@ -246,12 +248,41 @@ void SwCommentRuler::MouseButtonDown( const MouseEvent& rMEvt )
     Invalidate();
 }
 
+const std::string SwCommentRuler::CreateJsonNotification()
+{
+    boost::property_tree::ptree jsonNotif;
+
+    jsonNotif.put("margin1", convertTwipToMm100(GetMargin1()));
+    jsonNotif.put("margin2", convertTwipToMm100(GetMargin2()));
+    jsonNotif.put("leftOffset", convertTwipToMm100(GetNullOffset()));
+    jsonNotif.put("pageOffset", convertTwipToMm100(GetPageOffset()));
+    jsonNotif.put("pageWidth", convertTwipToMm100(GetPageWidth()));
+
+    RulerUnitData aUnitData = GetCurrentRulerUnit();
+    jsonNotif.put("unit", aUnitData.aUnitStr);
+
+    std::stringstream aStream;
+    boost::property_tree::write_json(aStream, jsonNotif);
+    std::string aPayload = aStream.str();
+    return aPayload;
+}
+
+void SwCommentRuler::NotifyKit()
+{
+    if (!comphelper::LibreOfficeKit::isActive())
+        return;
+
+    const std::string test = CreateJsonNotification();
+    mpViewShell->GetSfxViewShell()->libreOfficeKitViewCallback(LOK_CALLBACK_RULER_UPDATE, test.c_str());
+}
+
 void SwCommentRuler::Update()
 {
     tools::Rectangle aPreviousControlRect = GetCommentControlRegion();
     SvxRuler::Update();
     if (aPreviousControlRect != GetCommentControlRegion())
         Invalidate();
+    NotifyKit();
 }
 
 void SwCommentRuler::UpdateCommentHelpText()
diff --git a/sw/source/uibase/uiview/viewtab.cxx b/sw/source/uibase/uiview/viewtab.cxx
index 84b1af29a751..ad92a7ae6e21 100644
--- a/sw/source/uibase/uiview/viewtab.cxx
+++ b/sw/source/uibase/uiview/viewtab.cxx
@@ -52,6 +52,7 @@
 #include "wview.hxx"
 #include "fmtcol.hxx"
 #include "section.hxx"
+#include "swruler.hxx"
 
 #include "ndtxt.hxx"
 #include "pam.hxx"
@@ -801,6 +802,24 @@ void SwView::ExecTabWin( SfxRequest const & rReq )
                 rSh.SetAttrItem( aULSpace );
         }
         break;
+
+    case SID_RULER_CHANGE_STATE:
+        {
+            const SfxPoolItem *pMargin1, *pMargin2;
+            if ( pReqArgs &&
+                 pReqArgs->GetItemState(SID_RULER_MARGIN1,true,&pMargin1) == SfxItemState::SET )
+            {
+                const OUString ratio = static_cast<const SfxStringItem*>(pMargin1)->GetValue();
+                GetHRuler().SetValues(RulerChangeType::MARGIN1, GetHRuler().GetPageWidth() * ratio.toFloat());
+            }
+            else if ( pReqArgs &&
+                 pReqArgs->GetItemState(SID_RULER_MARGIN2,true,&pMargin2) == SfxItemState::SET )
+            {
+                const OUString ratio = static_cast<const SfxStringItem*>(pMargin2)->GetValue();
+                GetHRuler().SetValues(RulerChangeType::MARGIN2, GetHRuler().GetPageWidth() * ratio.toFloat());
+            }
+        }
+        break;
     case SID_RULER_BORDERS_VERTICAL:
     case SID_RULER_BORDERS:
         if ( pReqArgs )
diff --git a/sw/source/uibase/uno/unotxdoc.cxx b/sw/source/uibase/uno/unotxdoc.cxx
index c3afd987974f..cc765f88feab 100644
--- a/sw/source/uibase/uno/unotxdoc.cxx
+++ b/sw/source/uibase/uno/unotxdoc.cxx
@@ -130,6 +130,8 @@
 #include <comphelper/storagehelper.hxx>
 #include <cppuhelper/supportsservice.hxx>
 #include <unotools/saveopt.hxx>
+#include "swruler.hxx"
+
 
 #include <EnhancedPDFExportHelper.hxx>
 #include <numrule.hxx>
@@ -3255,6 +3257,12 @@ OUString SwXTextDocument::getTrackedChangeAuthors()
     return SW_MOD()->GetRedlineAuthorInfo();
 }
 
+OUString SwXTextDocument::getRulerState()
+{
+    SwView* pView = pDocShell->GetView();
+    return OUString::fromUtf8((dynamic_cast<SwCommentRuler&>(pView->GetHRuler())).CreateJsonNotification().c_str());
+}
+
 OUString SwXTextDocument::getPostIts()
 {
     SolarMutexGuard aGuard;