jsdialogs: emit JSON at idle to avoid repeated emission.

Change-Id: If8ddfaf9097f706d82117e102a56b4a8b2a41cdd
Reviewed-on: https://gerrit.libreoffice.org/80616
Tested-by: Jenkins
Reviewed-by: Michael Meeks <michael.meeks@collabora.com>

1 files changed, 30 insertions, 12 deletions

diff --git a/sfx2/source/sidebar/Deck.cxx b/sfx2/source/sidebar/Deck.cxx
index af9ac0c68bb6..a2e9024433f6 100644
--- a/sfx2/source/sidebar/Deck.cxx
+++ b/sfx2/source/sidebar/Deck.cxx
@@ -44,8 +44,35 @@
 using namespace css;
 using namespace css::uno;
 
+
 namespace sfx2 { namespace sidebar {
 
+class DeckNotifyIdle : public Idle
+{
+    Deck &mrDeck;
+public:
+    DeckNotifyIdle(Deck &rDeck) :
+        Idle("Deck notify"),
+        mrDeck(rDeck)
+    {
+        SetPriority(TaskPriority::POST_PAINT);
+    }
+    void Invoke() override
+    {
+        auto pNotifier = mrDeck.GetLOKNotifier();
+        try
+        {
+            std::stringstream aStream;
+            boost::property_tree::write_json(aStream, mrDeck.DumpAsPropertyTree());
+            pNotifier->libreOfficeKitViewCallback(LOK_CALLBACK_JSDIALOG, aStream.str().c_str());
+        }
+        catch(boost::property_tree::json_parser::json_parser_error& rError)
+        {
+            SAL_WARN("sfx.sidebar", rError.message());
+        }
+    }
+};
+
 Deck::Deck(const DeckDescriptor& rDeckDescriptor, vcl::Window* pParentWindow,
            const std::function<void()>& rCloserAction)
     : Window(pParentWindow, 0)
@@ -53,6 +80,7 @@ Deck::Deck(const DeckDescriptor& rDeckDescriptor, vcl::Window* pParentWindow,
     , mnMinimalWidth(0)
     , mnMinimalHeight(0)
     , maPanels()
+    , mpIdleNotify(new DeckNotifyIdle(*this))
     , mpTitleBar(VclPtr<DeckTitleBar>::Create(rDeckDescriptor.msTitle, this, rCloserAction))
     , mpScrollClipWindow(VclPtr<vcl::Window>::Create(this))
     , mpScrollContainer(VclPtr<ScrollContainerWindow>::Create(mpScrollClipWindow.get()))
@@ -187,21 +215,11 @@ void Deck::Resize()
 {
     Window::Resize();
 
-    const vcl::ILibreOfficeKitNotifier *pNotifier;
     if (comphelper::LibreOfficeKit::isActive() &&
         comphelper::LibreOfficeKit::isMobile(SfxLokHelper::getView()) &&
-        (pNotifier = GetLOKNotifier()))
+        GetLOKNotifier())
     {
-        try
-        {
-            std::stringstream aStream;
-            boost::property_tree::write_json(aStream, DumpAsPropertyTree());
-            pNotifier->libreOfficeKitViewCallback(LOK_CALLBACK_JSDIALOG, aStream.str().c_str());
-        }
-        catch(boost::property_tree::json_parser::json_parser_error& rError)
-        {
-            SAL_WARN("sfx.sidebar", rError.message());
-        }
+        mpIdleNotify->Start();
     }
 }