vcldemo: dump and render all icons from images.zip when zoomed in.

Change-Id: I89f37b8a1ed70334a3485bc3ca06d04cfe6d0827

vcl/inc/impimagetree.hxx

@@ -55,6 +55,8 @@ public:
  *  be too late for the destructors of the bitmaps in m_iconCache)*/
     void shutDown();
 
+    css::uno::Reference< css::container::XNameAccess > getNameAccess();
+
 private:
     bool doLoadImage(
         OUString const & name, OUString const & style,
@@ -62,8 +64,7 @@ private:
 
     typedef std::pair<
         OUString,
-        com::sun::star::uno::Reference<
-            com::sun::star::container::XNameAccess > > Path;
+        css::uno::Reference< css::container::XNameAccess > > Path;
 
     typedef boost::unordered_map<
         OUString, bool, OUStringHash > CheckStyleCache;
@@ -78,6 +79,8 @@ private:
     bool m_cacheIcons;
     IconLinkHash m_linkHash;
 
+    bool checkPathAccess();
+
     void setStyle(OUString const & style );
 
     void resetPaths();
@@ -89,7 +92,6 @@ private:
     void loadImageLinks();
     void parseLinkFile(boost::shared_ptr< SvStream > stream);
     OUString const & getRealImageName(OUString const & name);
-    std::vector<OUString> getAllPaths();
 };
 
 typedef salhelper::SingletonRef< ImplImageTree > ImplImageTreeSingletonRef;

vcl/source/gdi/impimagetree.cxx

@@ -248,17 +248,9 @@ bool ImplImageTree::find(
         }
     }
 
-    if (!m_path.second.is()) {
-        try {
-            m_path.second = css::packages::zip::ZipFileAccess::createWithURL(comphelper::getProcessComponentContext(), m_path.first + ".zip");
-        } catch (const css::uno::RuntimeException &) {
-            throw;
-        } catch (const css::uno::Exception & e) {
-            SAL_INFO("vcl", "ImplImageTree::find exception "
-                << e.Message << " for " << m_path.first);
-            return false;
-        }
-    }
+    if (!checkPathAccess())
+        return false;
+
     for (std::vector< OUString >::const_reverse_iterator j(paths.rbegin());
          j != paths.rend(); ++j)
     {
@@ -288,21 +280,9 @@ void ImplImageTree::loadImageLinks()
         }
     }
 
-    if ( !m_path.second.is() )
-    {
-        try
-        {
-            m_path.second = css::packages::zip::ZipFileAccess::createWithURL(comphelper::getProcessComponentContext(), m_path.first + ".zip");
-        } catch (const css::uno::RuntimeException &) {
-            throw;
-        }
-        catch (const css::uno::Exception & e)
-        {
-            SAL_INFO("vcl", "ImplImageTree::find exception "
-                << e.Message << " for " << m_path.first);
-            return;
-        }
-    }
+    if (!checkPathAccess())
+        return;
+
     if ( m_path.second->hasByName(aLinkFilename) )
     {
         css::uno::Reference< css::io::XInputStream > s;
@@ -349,21 +329,41 @@ OUString const & ImplImageTree::getRealImageName(OUString const & name)
     return it->second;
 }
 
-std::vector<OUString> ImplImageTree::getAllPaths()
+bool ImplImageTree::checkPathAccess()
 {
-    std::vector<OUString> aNames;
+    if (m_path.second.is())
+        return true;
+
+    try {
+        m_path.second = css::packages::zip::ZipFileAccess::createWithURL(comphelper::getProcessComponentContext(), m_path.first + ".zip");
+    } catch (const css::uno::RuntimeException &) {
+        throw;
+    } catch (const css::uno::Exception & e) {
+        SAL_INFO("vcl", "ImplImageTree::zip file location exception "
+                 << e.Message << " for " << m_path.first);
+        return false;
+    }
+    return m_path.second.is();
+}
 
-    return aNames;
+css::uno::Reference< css::container::XNameAccess > ImplImageTree::getNameAccess()
+{
+    checkPathAccess();
+    return m_path.second;
 }
 
 // For vcldemo / debugging
-SAL_DLLPUBLIC std::vector<OUString> ImageTree_getAllImageNames();
+SAL_DLLPUBLIC css::uno::Sequence< OUString > ImageTree_getAllImageNames();
 
 /// Recursively dump all names ...
-std::vector<OUString> ImageTree_getAllImageNames()
+css::uno::Sequence< OUString > ImageTree_getAllImageNames()
 {
     static ImplImageTreeSingletonRef aImageTree;
-    return aImageTree.getAllPaths();
+
+    css::uno::Reference< css::container::XNameAccess > xRef(
+        aImageTree->getNameAccess() );
+
+    return xRef->getElementNames();
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

vcl/workben/vcldemo.cxx

@@ -31,7 +31,7 @@
 #endif
 
 // debugging hook just for us
-SAL_DLLPUBLIC std::vector<OUString> ImageTree_getAllImageNames();
+SAL_DLLPUBLIC css::uno::Sequence< OUString > ImageTree_getAllImageNames();
 
 using namespace css;
 
@@ -566,6 +566,7 @@ public:
 
     struct DrawIcons : public RegionRenderer
     {
+        std::vector<OUString> maIconNames;
         std::vector<BitmapEx> maIcons;
         bool bHasLoadedAll;
         DrawIcons() : bHasLoadedAll(false)
@@ -596,18 +597,24 @@ public:
                 "cmd/lc_hyperlinkdialog.png",
               };
             for (size_t i = 0; i < SAL_N_ELEMENTS(pNames); i++)
-                maIcons.push_back(BitmapEx(OUString::createFromAscii(pNames[i])));
+            {
+                maIconNames.push_back(OUString::createFromAscii(pNames[i]));
+                maIcons.push_back(BitmapEx(maIconNames[i]));
+            }
         }
 
-        void LoadAllIcons()
+        void LoadAllImages()
         {
             if (bHasLoadedAll)
                 return;
             bHasLoadedAll = true;
 
-            std::vector<OUString> aAllIcons = ImageTree_getAllImageNames();
-            for (size_t i = 0; i < aAllIcons.size(); i++)
+            css::uno::Sequence< OUString > aAllIcons = ImageTree_getAllImageNames();
+            for (sal_Int32 i = 0; i < aAllIcons.getLength() && i < 1024; i++)
+            {
+                maIconNames.push_back(aAllIcons[i]);
                 maIcons.push_back(BitmapEx(aAllIcons[i]));
+            }
         }
 
         void doDrawIcons(OutputDevice &rDev, Rectangle r)
@@ -617,6 +624,7 @@ public:
             for (size_t i = 0; i < maIcons.size(); i++)
             {
                 Size aSize(maIcons[i].GetSizePixel());
+//              sAL_DEBUG("Draw icon '" << maIconNames[i] << "'");
                 rDev.DrawBitmapEx(p, maIcons[i]);
                 p.Move(aSize.Width(), 0);
                 if (aSize.Height() > nMaxH)
@@ -635,6 +643,7 @@ public:
         {
             if (rCtx.meStyle == RENDER_EXPANDED)
             {
+                LoadAllImages();
                 doDrawIcons(rDev, r);
             }
             else