LOK: change PAGE_COUNT to a more generic DOCUMENT_SIZE

Change-Id: If94af4072c321358d7bd4d678eeed181dc0f44db
(cherry picked from commit 63a40c45)

include/LibreOfficeKit/LibreOfficeKitEnums.h

@@ -146,12 +146,12 @@ typedef enum
     LOK_CALLBACK_SEARCH_NOT_FOUND,
 
     /**
-     * Number of pages changed in the document.
+     * Size of the document changed.
      *
-     * Clients should assume that data returned by an earlier
-     * lok::Document::getDocumentSize() call is no longer valid.
+     * Payload format is "width, height", i.e. clients get the new size without
+     * having to do an explicit lok::Document::getDocumentSize() call.
      */
-    LOK_CALLBACK_PAGE_COUNT_CHANGED,
+    LOK_CALLBACK_DOCUMENT_SIZE_CHANGED,
 
     /**
      * The current part number is changed.

sw/source/core/view/viewsh.cxx

@@ -78,6 +78,7 @@
 #include <vcl/virdev.hxx>
 #include <vcl/svapp.hxx>
 #include <svx/sdrpaintwindow.hxx>
+#include <LibreOfficeKit/LibreOfficeKitEnums.h>
 
 #if !HAVE_FEATURE_DESKTOP
 #include <vcl/sysdata.hxx>
@@ -989,6 +990,15 @@ void SwViewShell::SizeChgNotify()
                 const SvxNumberType& rNum = pPage->GetPageDesc()->GetNumType();
                 OUString sDisplay = rNum.GetNumStr( nVirtNum );
                 PageNumNotify( this, pCnt->GetPhyPageNum(), nVirtNum, sDisplay );
+
+                if (isTiledRendering())
+                {
+                    Size aDocSize = GetDocSize();
+                    std::stringstream ss;
+                    ss << aDocSize.Width() + 2L * DOCUMENTBORDER << ", " << aDocSize.Height() + 2L * DOCUMENTBORDER;
+                    OString sRect = ss.str().c_str();
+                    libreOfficeKitCallback(LOK_CALLBACK_DOCUMENT_SIZE_CHANGED, sRect.getStr());
+                }
             }
         }
     }

sw/source/uibase/uiview/view2.cxx

@@ -147,7 +147,6 @@
 #include <vcl/settings.hxx>
 
 #include <boost/scoped_ptr.hpp>
-#include <LibreOfficeKit/LibreOfficeKitEnums.h>
 
 const char sStatusDelim[] = " : ";
 const char sStatusComma[] = " , ";
@@ -1281,7 +1280,6 @@ void SwView::Execute(SfxRequest &rReq)
 /// invalidate page numbering field
 void SwView::UpdatePageNums(sal_uInt16 nPhyNum, sal_uInt16 nVirtNum, const OUString& rPgStr)
 {
-    GetWrtShell().libreOfficeKitCallback(LOK_CALLBACK_PAGE_COUNT_CHANGED, 0);
     OUString sTemp(GetPageStr( nPhyNum, nVirtNum, rPgStr ));
     const SfxStringItem aTmp( FN_STAT_PAGE, sTemp );
     // Used to distinguish which tooltip to show