sd: support inserting background image from file via .uno:SelectBackground

The UNO command always prompted the user via file open dialog.
This change allows for passing the filename as an argument
to allow for inserting slide background programatically.

Also, hide the Insert Image button in the sidebar
since we can't use that (just yet), because
it invokes .uno:SelectBackground directly. We would
need to send LOOL a notification to invoke this on
its own end to first prompt the user for a file.

(cherry picked from commit 2118143bdd246921439ba9e835207585203dd45f)

Change-Id: I20c0e33d66f8bcd72a6388e39c4ac92e64978f45
Reviewed-on: https://gerrit.libreoffice.org/73481
Tested-by: Jenkins
Reviewed-by: Jan Holesovsky <kendy@collabora.com>

5 files changed, 56 insertions, 21 deletions

diff --git a/sd/sdi/sdraw.sdi b/sd/sdi/sdraw.sdi
index 800081533fc0..cedb086080ee 100644
--- a/sd/sdi/sdraw.sdi
+++ b/sd/sdi/sdraw.sdi
@@ -4025,7 +4025,7 @@ SfxVoidItem CloseMasterView SID_CLOSE_MASTER_VIEW()
 ]
 
 SfxVoidItem SelectBackground SID_SELECT_BACKGROUND
-()
+(SfxStringItem FileName SID_SELECT_BACKGROUND,SfxStringItem FilterName FN_PARAM_FILTER,SfxBoolItem AsLink FN_PARAM_1,SfxStringItem Style FN_PARAM_2)
 [
     AutoUpdate = FALSE,
     FastCall = FALSE,
diff --git a/sd/source/ui/func/fupage.cxx b/sd/source/ui/func/fupage.cxx
index ba77b29c54ef..b410cacb0a1e 100644
--- a/sd/source/ui/func/fupage.cxx
+++ b/sd/source/ui/func/fupage.cxx
@@ -26,6 +26,7 @@
 #include <svl/itempool.hxx>
 #include <sfx2/request.hxx>
 #include <vcl/prntypes.hxx>
+#include <vcl/graphicfilter.hxx>
 #include <stlsheet.hxx>
 #include <editeng/eeitem.hxx>
 #include <editeng/frmdiritem.hxx>
@@ -111,7 +112,7 @@ rtl::Reference<FuPoor> FuPage::Create( ViewShell* pViewSh, ::sd::Window* pWin, :
     return xFunc;
 }
 
-void FuPage::DoExecute( SfxRequest& )
+void FuPage::DoExecute(SfxRequest& rReq)
 {
     mpDrawViewShell = dynamic_cast<DrawViewShell*>(mpViewShell);
     DBG_ASSERT( mpDrawViewShell, "sd::FuPage::FuPage(), called without a current DrawViewShell!" );
@@ -129,10 +130,11 @@ void FuPage::DoExecute( SfxRequest& )
         return;
 
     // if there are no arguments given, open the dialog
-    if( !mpArgs )
+    const SfxPoolItem* pItem;
+    if (!mpArgs || mpArgs->GetItemState(SID_SELECT_BACKGROUND, true, &pItem) == SfxItemState::SET)
     {
         mpView->SdrEndTextEdit();
-        mpArgs = ExecuteDialog(mpWindow ? mpWindow->GetFrameWeld() : nullptr);
+        mpArgs = ExecuteDialog(mpWindow ? mpWindow->GetFrameWeld() : nullptr, rReq);
     }
 
     // if we now have arguments, apply them to current page
@@ -189,7 +191,7 @@ void MergePageBackgroundFilling(SdPage *pPage, SdStyleSheet *pStyleSheet, bool b
     }
 }
 
-const SfxItemSet* FuPage::ExecuteDialog(weld::Window* pParent)
+const SfxItemSet* FuPage::ExecuteDialog(weld::Window* pParent, SfxRequest& rReq)
 {
     if (!mpDrawViewShell)
         return nullptr;
@@ -288,27 +290,51 @@ const SfxItemSet* FuPage::ExecuteDialog(weld::Window* pParent)
     }
     else if (nId == SID_SELECT_BACKGROUND)
     {
-        SvxOpenGraphicDialog aDlg(SdResId(STR_SET_BACKGROUND_PICTURE), pParent);
+        OUString aFileName;
+        OUString aFilterName;
+        Graphic aGraphic;
+        ErrCode nError = ERRCODE_GRFILTER_OPENERROR;
 
-        if( aDlg.Execute() == ERRCODE_NONE )
+        const SfxItemSet* pArgs = rReq.GetArgs();
+        const SfxPoolItem* pItem;
+
+        if (pArgs && pArgs->GetItemState(SID_SELECT_BACKGROUND, true, &pItem) == SfxItemState::SET)
         {
-            Graphic     aGraphic;
-            ErrCode nError = aDlg.GetGraphic(aGraphic);
-            if( nError == ERRCODE_NONE )
-            {
-                pTempSet.reset( new SfxItemSet( mpDoc->GetPool(), svl::Items<XATTR_FILL_FIRST, XATTR_FILL_LAST>{}) );
+            aFileName = static_cast<const SfxStringItem*>(pItem)->GetValue();
 
-                pTempSet->Put( XFillStyleItem( drawing::FillStyle_BITMAP ) );
+            if (pArgs->GetItemState(FN_PARAM_FILTER, true, &pItem) == SfxItemState::SET)
+                aFilterName = static_cast<const SfxStringItem*>(pItem)->GetValue();
 
-                // MigrateItemSet makes sure the XFillBitmapItem will have a unique name
-                SfxItemSet aMigrateSet( mpDoc->GetPool(), svl::Items<XATTR_FILLBITMAP, XATTR_FILLBITMAP>{} );
-                aMigrateSet.Put(XFillBitmapItem("background", aGraphic));
-                SdrModel::MigrateItemSet( &aMigrateSet, pTempSet.get(), mpDoc );
+            nError = GraphicFilter::LoadGraphic(aFileName, aFilterName, aGraphic,
+                                                &GraphicFilter::GetGraphicFilter());
+        }
+        else
+        {
+            SvxOpenGraphicDialog aDlg(SdResId(STR_SET_BACKGROUND_PICTURE), pParent);
 
-                pTempSet->Put( XFillBmpStretchItem( true ));
-                pTempSet->Put( XFillBmpTileItem( false ));
+            nError = aDlg.Execute();
+            if (nError != ERRCODE_NONE)
+            {
+                nError = aDlg.GetGraphic(aGraphic);
+                aFileName = aDlg.GetPath();
+                aFilterName = aDlg.GetDetectedFilter();
             }
         }
+
+        if (nError == ERRCODE_NONE)
+        {
+            pTempSet.reset( new SfxItemSet( mpDoc->GetPool(), svl::Items<XATTR_FILL_FIRST, XATTR_FILL_LAST>{}) );
+
+            pTempSet->Put( XFillStyleItem( drawing::FillStyle_BITMAP ) );
+
+            // MigrateItemSet makes sure the XFillBitmapItem will have a unique name
+            SfxItemSet aMigrateSet( mpDoc->GetPool(), svl::Items<XATTR_FILLBITMAP, XATTR_FILLBITMAP>{} );
+            aMigrateSet.Put(XFillBitmapItem("background", aGraphic));
+            SdrModel::MigrateItemSet( &aMigrateSet, pTempSet.get(), mpDoc );
+
+            pTempSet->Put( XFillBmpStretchItem( true ));
+            pTempSet->Put( XFillBmpTileItem( false ));
+        }
     }
 
     else
diff --git a/sd/source/ui/inc/fupage.hxx b/sd/source/ui/inc/fupage.hxx
index a33277d9fa3e..a17ce7b1adc5 100644
--- a/sd/source/ui/inc/fupage.hxx
+++ b/sd/source/ui/inc/fupage.hxx
@@ -42,7 +42,7 @@ class FuPage
     virtual void Activate() override;
     virtual void Deactivate() override;
 
-    const SfxItemSet* ExecuteDialog(weld::Window* pParent);
+    const SfxItemSet* ExecuteDialog(weld::Window* pParent, SfxRequest& rReq);
 
 protected:
     virtual ~FuPage() override;
diff --git a/sd/source/ui/sidebar/MasterPageDescriptor.cxx b/sd/source/ui/sidebar/MasterPageDescriptor.cxx
index 8151a4f6918c..0f9d21a81c2c 100644
--- a/sd/source/ui/sidebar/MasterPageDescriptor.cxx
+++ b/sd/source/ui/sidebar/MasterPageDescriptor.cxx
@@ -207,6 +207,7 @@ bool MasterPageDescriptor::UpdatePreview (
         {
             pPage = mpMasterPage;
         }
+        //TODO: Notify LOOL of preview updates.
         maLargePreview = (*mpPreviewProvider)(
             rLargeSize.Width(),
             pPage,
diff --git a/sd/source/ui/sidebar/SlideBackground.cxx b/sd/source/ui/sidebar/SlideBackground.cxx
index e7e7424a8932..12df05bfa0d9 100644
--- a/sd/source/ui/sidebar/SlideBackground.cxx
+++ b/sd/source/ui/sidebar/SlideBackground.cxx
@@ -298,6 +298,14 @@ void SlideBackground::HandleContextChange(
             mpInsertImage->Show();
         }
 
+        // The Insert Image button in the sidebar issues .uno:SelectBackground,
+        // which when invoked without arguments will open the file-open-dialog
+        // to prompt the user to select a file. This is useless in LOOL.
+        // Hide for now so the user will only be able to use the menu to insert
+        // background image, which prompts the user for file selection in the browser.
+        if (comphelper::LibreOfficeKit::isActive())
+            mpInsertImage->Hide();
+
         // Need to do a relayouting, otherwise the panel size is not updated after show / hide controls
         sfx2::sidebar::Panel* pPanel = dynamic_cast<sfx2::sidebar::Panel*>(GetParent());
         if(pPanel)
@@ -864,7 +872,7 @@ void SlideBackground::NotifyItemUpdate(
             if (pSizeItem)
             {
                 Size aPaperSize = pSizeItem->GetSize();
-                if(mpPaperOrientation->GetSelectedEntryPos() == 0)
+                if (mpPaperOrientation->GetSelectedEntryPos() == 0)
                    Swap(aPaperSize);
 
                 Paper ePaper = SvxPaperInfo::GetSvxPaper(aPaperSize, meUnit);