sw: notify LOK clients about invalidations

So that when the document changes, they can know what tiles to throw
away.

Change-Id: I1f00585e7691a40af8fe5de71ac1a4225bc4e67f

5 files changed, 44 insertions, 0 deletions

diff --git a/sw/source/core/view/viewsh.cxx b/sw/source/core/view/viewsh.cxx
index 14a4ade90ca5..27ec8a394605 100644
--- a/sw/source/core/view/viewsh.cxx
+++ b/sw/source/core/view/viewsh.cxx
@@ -117,6 +117,18 @@ void SwViewShell::ToggleHeaderFooterEdit()
     GetWin()->Invalidate();
 }
 
+void SwViewShell::registerLibreOfficeKitCallback(LibreOfficeKitCallback pCallback, void* pData)
+{
+    mpLibreOfficeKitCallback = pCallback;
+    mpLibreOfficeKitData = pData;
+}
+
+void SwViewShell::libreOfficeKitCallback(int nType, const char* pPayload)
+{
+    if (mpLibreOfficeKitCallback)
+        mpLibreOfficeKitCallback(nType, pPayload, mpLibreOfficeKitData);
+}
+
 static void
 lcl_PaintTransparentFormControls(SwViewShell & rShell, SwRect const& rRect)
 {
diff --git a/sw/source/core/view/vnew.cxx b/sw/source/core/view/vnew.cxx
index 3cfe6798e6d5..6fef15854c5c 100644
--- a/sw/source/core/view/vnew.cxx
+++ b/sw/source/core/view/vnew.cxx
@@ -169,6 +169,8 @@ SwViewShell::SwViewShell( SwDoc& rDocument, vcl::Window *pWindow,
     mnStartAction( 0 ),
     mnLockPaint( 0 ),
     mbSelectAll(false),
+    mpLibreOfficeKitCallback(0),
+    mpLibreOfficeKitData(0),
     mpPrePostOutDev(0), // #i72754#
     maPrePostMapMode()
 {
@@ -245,6 +247,8 @@ SwViewShell::SwViewShell( SwViewShell& rShell, vcl::Window *pWindow,
     mnStartAction( 0 ),
     mnLockPaint( 0 ),
     mbSelectAll(false),
+    mpLibreOfficeKitCallback(0),
+    mpLibreOfficeKitData(0),
     mpPrePostOutDev(0), // #i72754#
     maPrePostMapMode()
 {
diff --git a/sw/source/uibase/docvw/edtwin.cxx b/sw/source/uibase/docvw/edtwin.cxx
index dfa4306a5177..b51d56b32506 100644
--- a/sw/source/uibase/docvw/edtwin.cxx
+++ b/sw/source/uibase/docvw/edtwin.cxx
@@ -6235,4 +6235,19 @@ void SwEditWin::SwitchView()
 #endif
 }
 
+void SwEditWin::LogicInvalidate(const vcl::Region* pRegion)
+{
+    OString sRectangle;
+    if (!pRegion)
+        sRectangle = "EMPTY";
+    else
+    {
+        std::stringstream ss;
+        Rectangle aRectangle = pRegion->GetBoundRect();
+        ss << aRectangle.getWidth() << ", " << aRectangle.getHeight() << ", " << aRectangle.getX() << ", " << aRectangle.getY();
+        sRectangle = ss.str().c_str();
+    }
+    m_rView.GetWrtShell().libreOfficeKitCallback(0, sRectangle.getStr());
+}
+
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/sw/source/uibase/inc/edtwin.hxx b/sw/source/uibase/inc/edtwin.hxx
index e08e23750cdc..ff049097c950 100644
--- a/sw/source/uibase/inc/edtwin.hxx
+++ b/sw/source/uibase/inc/edtwin.hxx
@@ -296,6 +296,12 @@ public:
     SwEditWin(vcl::Window *pParent, SwView &);
     virtual ~SwEditWin();
     virtual void SwitchView();
+    /**
+     * Notification about some region of the output device got invalidated.
+     *
+     * @param pRegion If 0, that means the whole area, otherwise the area in logic coordinates.
+     */
+    void LogicInvalidate(const vcl::Region* pRegion) SAL_OVERRIDE;
 };
 
 #endif
diff --git a/sw/source/uibase/uno/unotxdoc.cxx b/sw/source/uibase/uno/unotxdoc.cxx
index a3493bfd79c6..4bba53506e77 100644
--- a/sw/source/uibase/uno/unotxdoc.cxx
+++ b/sw/source/uibase/uno/unotxdoc.cxx
@@ -3157,6 +3157,13 @@ void SwXTextDocument::initializeForTiledRendering()
     pView->SetViewLayout(nColumns, bBookMode, true);
 }
 
+void SwXTextDocument::registerCallback(LibreOfficeKitCallback pCallback, void* pData)
+{
+    SwDoc* pDoc = pDocShell->GetDoc();
+    SwViewShell* pViewShell = pDoc->getIDocumentLayoutAccess().GetCurrentViewShell();
+    pViewShell->registerLibreOfficeKitCallback(pCallback, pData);
+}
+
 void * SAL_CALL SwXTextDocument::operator new( size_t t) throw()
 {
     return SwXTextDocumentBaseClass::operator new(t);