1 files changed, 448 insertions, 0 deletions
diff --git a/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx b/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx
new file mode 100644
index 000000000000..abaa5a43b215
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+++ b/sd/source/ui/slidesorter/view/SlsInsertionIndicatorOverlay.cxx
@@ -0,0 +1,448 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "precompiled_sd.hxx"
+
+#include "view/SlsInsertionIndicatorOverlay.hxx"
+
+#include "SlideSorter.hxx"
+#include "model/SlsPageEnumeration.hxx"
+#include "view/SlideSorterView.hxx"
+#include "view/SlsLayouter.hxx"
+#include "view/SlsPageObjectLayouter.hxx"
+#include "view/SlsTheme.hxx"
+#include "cache/SlsPageCache.hxx"
+#include "SlsFramePainter.hxx"
+#include "SlsLayeredDevice.hxx"
+#include "DrawDocShell.hxx"
+#include "drawdoc.hxx"
+#include "sdpage.hxx"
+#include "sdmod.hxx"
+
+#include <vcl/virdev.hxx>
+#include <basegfx/range/b2drectangle.hxx>
+#include <basegfx/tools/canvastools.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+
+
+namespace {
+
+
+static const double gnPreviewOffsetScale = 1.0 / 8.0;
+
+
+
+Rectangle GrowRectangle (const Rectangle& rBox, const sal_Int32 nOffset)
+{
+    return Rectangle (
+        rBox.Left() - nOffset,
+        rBox.Top() - nOffset,
+        rBox.Right() + nOffset,
+        rBox.Bottom() + nOffset);
+}
+
+sal_Int32 RoundToInt (const double nValue) { return sal_Int32(::rtl::math::round(nValue)); }
+
+} // end of anonymous namespace
+
+
+namespace sd { namespace slidesorter { namespace view {
+
+
+//=====  InsertionIndicatorOverlay  ===========================================
+
+const static sal_Int32 gnShadowBorder = 3;
+const static sal_Int32 gnSuperScaleFactor = 1;
+
+InsertionIndicatorOverlay::InsertionIndicatorOverlay (SlideSorter& rSlideSorter)
+    : mrSlideSorter(rSlideSorter),
+      mbIsVisible(false),
+      mnLayerIndex(2),
+      mpLayerInvalidator(),
+      maLocation(),
+      maIcon(),
+      maIconOffset(),
+      mpShadowPainter(
+          new FramePainter(mrSlideSorter.GetTheme()->GetIcon(Theme::Icon_RawInsertShadow)))
+{
+}
+
+
+
+
+InsertionIndicatorOverlay::~InsertionIndicatorOverlay (void)
+{
+    Hide();
+}
+
+
+
+
+void InsertionIndicatorOverlay::Create (const controller::Transferable* pTransferable)
+{
+    if (pTransferable == NULL)
+        return;
+
+    sal_Int32 nSelectionCount (0);
+    if (pTransferable->HasPageBookmarks())
+        nSelectionCount = pTransferable->GetPageBookmarks().Count();
+    else
+    {
+        DrawDocShell* pDataDocShell = dynamic_cast<DrawDocShell*>(&pTransferable->GetDocShell());
+        if (pDataDocShell != NULL)
+        {
+            SdDrawDocument* pDataDocument = pDataDocShell->GetDoc();
+            if (pDataDocument != NULL)
+                nSelectionCount = pDataDocument->GetSdPageCount(PK_STANDARD);
+        }
+    }
+    Create(pTransferable->GetRepresentatives(), nSelectionCount);
+}
+
+
+
+
+void InsertionIndicatorOverlay::Create (
+    const ::std::vector<controller::Transferable::Representative>& rRepresentatives,
+    const sal_Int32 nSelectionCount)
+{
+    view::Layouter& rLayouter (mrSlideSorter.GetView().GetLayouter());
+    ::boost::shared_ptr<view::PageObjectLayouter> pPageObjectLayouter (
+        rLayouter.GetPageObjectLayouter());
+    ::boost::shared_ptr<view::Theme> pTheme (mrSlideSorter.GetTheme());
+    const Size aOriginalPreviewSize (pPageObjectLayouter->GetSize(
+        PageObjectLayouter::Preview,
+        PageObjectLayouter::WindowCoordinateSystem));
+
+    const double nPreviewScale (0.5);
+    const Size aPreviewSize (
+        RoundToInt(aOriginalPreviewSize.Width()*nPreviewScale),
+        RoundToInt(aOriginalPreviewSize.Height()*nPreviewScale));
+    const sal_Int32 nOffset (
+        RoundToInt(Min(aPreviewSize.Width(),aPreviewSize.Height()) * gnPreviewOffsetScale));
+
+    // Determine size and offset depending on the number of previews.
+    sal_Int32 nCount (rRepresentatives.size());
+    if (nCount > 0)
+        --nCount;
+    Size aIconSize(
+        aPreviewSize.Width() + 2 * gnShadowBorder + nCount*nOffset,
+        aPreviewSize.Height() + 2 * gnShadowBorder + nCount*nOffset);
+    maIconOffset = Point(gnShadowBorder, gnShadowBorder);
+
+    // Create virtual devices for bitmap and mask whose bitmaps later be
+    // combined to form the BitmapEx of the icon.
+    VirtualDevice aContent (
+        *mrSlideSorter.GetContentWindow(),
+        0,
+        0);
+    aContent.SetOutputSizePixel(aIconSize);
+
+    aContent.SetFillColor();
+    aContent.SetLineColor(pTheme->GetColor(Theme::Color_PreviewBorder));
+    const Point aOffset = PaintRepresentatives(aContent, aPreviewSize, nOffset, rRepresentatives);
+
+    PaintPageCount(aContent, nSelectionCount, aPreviewSize, aOffset);
+
+    maIcon = aContent.GetBitmapEx(Point(0,0), aIconSize);
+    maIcon.Scale(aIconSize);
+}
+
+
+
+
+void InsertionIndicatorOverlay::SelectRepresentatives (
+    model::PageEnumeration& rSelection,
+    ::std::vector<model::SharedPageDescriptor>& rDescriptors) const
+{
+    sal_Int32 nCount (0);
+    while (rSelection.HasMoreElements())
+    {
+        if (nCount++ >= 3)
+            break;
+        rDescriptors.push_back(rSelection.GetNextElement());
+    }
+}
+
+
+
+
+Point InsertionIndicatorOverlay::PaintRepresentatives (
+    OutputDevice& rContent,
+    const Size aPreviewSize,
+    const sal_Int32 nOffset,
+    const ::std::vector<controller::Transferable::Representative>& rRepresentatives) const
+{
+    const Point aOffset (0,rRepresentatives.size()==1 ? -nOffset : 0);
+
+    // Paint the pages.
+    Point aPageOffset (0,0);
+    double nTransparency (0);
+    const BitmapEx aExclusionOverlay (mrSlideSorter.GetTheme()->GetIcon(Theme::Icon_HideSlideOverlay));
+    for (sal_Int32 nIndex=2; nIndex>=0; --nIndex)
+    {
+        if (rRepresentatives.size() <= sal_uInt32(nIndex))
+            continue;
+        switch(nIndex)
+        {
+            case 0 :
+                aPageOffset = Point(0, nOffset);
+                nTransparency = 0.85;
+                break;
+            case 1:
+                aPageOffset = Point(nOffset, 0);
+                nTransparency = 0.75;
+                break;
+            case 2:
+                aPageOffset = Point(2*nOffset, 2*nOffset);
+                nTransparency = 0.65;
+                break;
+        }
+        aPageOffset += aOffset;
+        aPageOffset.X() += gnShadowBorder;
+        aPageOffset.Y() += gnShadowBorder;
+
+        // Paint the preview.
+        Bitmap aPreview (rRepresentatives[nIndex].maBitmap);
+        const Size aSuperSampleSize(
+            aPreviewSize.Width()*gnSuperScaleFactor,
+            aPreviewSize.Height()*gnSuperScaleFactor);
+        aPreview.Scale(aPreviewSize, BMP_SCALE_INTERPOLATE);
+        rContent.DrawBitmapEx(aPageOffset, aPreview);
+
+        // When the page is marked as excluded from the slide show then
+        // paint an overlay that visualizes this.
+        if (rRepresentatives[nIndex].mbIsExcluded)
+        {
+            const Region aSavedClipRegion (rContent.GetClipRegion());
+            rContent.IntersectClipRegion(Rectangle(aPageOffset, aPreviewSize));
+            // Paint bitmap tiled over the preview to mark it as excluded.
+            const sal_Int32 nIconWidth (aExclusionOverlay.GetSizePixel().Width());
+            const sal_Int32 nIconHeight (aExclusionOverlay.GetSizePixel().Height());
+            if (nIconWidth>0 && nIconHeight>0)
+            {
+                for (sal_Int32 nX=0; nX<aPreviewSize.Width(); nX+=nIconWidth)
+                    for (sal_Int32 nY=0; nY<aPreviewSize.Height(); nY+=nIconHeight)
+                        rContent.DrawBitmapEx(Point(nX,nY)+aPageOffset, aExclusionOverlay);
+            }
+            rContent.SetClipRegion(aSavedClipRegion);
+        }
+
+        // Tone down the bitmap.  The further back the darker it becomes.
+        Rectangle aBox (
+            aPageOffset.X(),
+            aPageOffset.Y(),
+            aPageOffset.X()+aPreviewSize.Width()-1,
+            aPageOffset.Y()+aPreviewSize.Height()-1);
+        rContent.SetFillColor(COL_BLACK);
+        rContent.SetLineColor();
+        rContent.DrawTransparent(
+            ::basegfx::B2DPolyPolygon(::basegfx::tools::createPolygonFromRect(
+                ::basegfx::B2DRectangle(aBox.Left(), aBox.Top(), aBox.Right()+1, aBox.Bottom()+1),
+                0,
+                0)),
+            nTransparency);
+
+        // Draw border around preview.
+        Rectangle aBorderBox (GrowRectangle(aBox, 1));
+        rContent.SetLineColor(COL_GRAY);
+        rContent.SetFillColor();
+        rContent.DrawRect(aBorderBox);
+
+        // Draw shadow around preview.
+        mpShadowPainter->PaintFrame(rContent, aBorderBox);
+    }
+
+    return aPageOffset;
+}
+
+
+
+
+void InsertionIndicatorOverlay::PaintPageCount (
+    OutputDevice& rDevice,
+    const sal_Int32 nSelectionCount,
+    const Size aPreviewSize,
+    const Point aFirstPageOffset) const
+{
+    // Paint the number of slides.
+    ::boost::shared_ptr<view::Theme> pTheme (mrSlideSorter.GetTheme());
+    ::boost::shared_ptr<Font> pFont(Theme::GetFont(Theme::Font_PageCount, rDevice));
+    if (pFont)
+    {
+        ::rtl::OUString sNumber (::rtl::OUString::valueOf(nSelectionCount));
+
+        // Determine the size of the (painted) text and create a bounding
+        // box that centers the text on the first preview.
+        rDevice.SetFont(*pFont);
+        Rectangle aTextBox;
+        rDevice.GetTextBoundRect(aTextBox, sNumber);
+        Point aTextOffset (aTextBox.TopLeft());
+        Size aTextSize (aTextBox.GetSize());
+        // Place text inside the first page preview.
+        Point aTextLocation(aFirstPageOffset);
+        // Center the text.
+        aTextLocation += Point(
+            (aPreviewSize.Width()-aTextBox.GetWidth())/2,
+            (aPreviewSize.Height()-aTextBox.GetHeight())/2);
+        aTextBox = Rectangle(aTextLocation, aTextSize);
+
+        // Paint background, border and text.
+        static const sal_Int32 nBorder = 5;
+        rDevice.SetFillColor(pTheme->GetColor(Theme::Color_Selection));
+        rDevice.SetLineColor(pTheme->GetColor(Theme::Color_Selection));
+        rDevice.DrawRect(GrowRectangle(aTextBox, nBorder));
+
+        rDevice.SetFillColor();
+        rDevice.SetLineColor(pTheme->GetColor(Theme::Color_PageCountFontColor));
+        rDevice.DrawRect(GrowRectangle(aTextBox, nBorder-1));
+
+        rDevice.SetTextColor(pTheme->GetColor(Theme::Color_PageCountFontColor));
+        rDevice.DrawText(aTextBox.TopLeft()-aTextOffset, sNumber);
+    }
+}
+
+
+
+
+void InsertionIndicatorOverlay::SetLocation (const Point& rLocation)
+{
+    const Point  aTopLeft (
+        rLocation - Point(
+            maIcon.GetSizePixel().Width()/2,
+            maIcon.GetSizePixel().Height()/2));
+    if (maLocation != aTopLeft)
+    {
+        const Rectangle aOldBoundingBox (GetBoundingBox());
+
+        maLocation = aTopLeft;
+
+        if (mpLayerInvalidator && IsVisible())
+        {
+            mpLayerInvalidator->Invalidate(aOldBoundingBox);
+            mpLayerInvalidator->Invalidate(GetBoundingBox());
+        }
+    }
+}
+
+
+
+
+void InsertionIndicatorOverlay::Paint (
+    OutputDevice& rDevice,
+    const Rectangle& rRepaintArea)
+{
+    (void)rRepaintArea;
+
+    if ( ! IsVisible())
+        return;
+
+    rDevice.DrawImage(maLocation, maIcon);
+}
+
+
+
+
+void InsertionIndicatorOverlay::SetLayerInvalidator (const SharedILayerInvalidator& rpInvalidator)
+{
+    mpLayerInvalidator = rpInvalidator;
+
+    if (mbIsVisible && mpLayerInvalidator)
+        mpLayerInvalidator->Invalidate(GetBoundingBox());
+}
+
+
+
+
+bool InsertionIndicatorOverlay::IsVisible (void) const
+{
+    return mbIsVisible;
+}
+
+
+
+
+void InsertionIndicatorOverlay::Show (void)
+{
+    if ( ! mbIsVisible)
+    {
+        mbIsVisible = true;
+
+        ::boost::shared_ptr<LayeredDevice> pLayeredDevice (
+            mrSlideSorter.GetView().GetLayeredDevice());
+        if (pLayeredDevice)
+        {
+            pLayeredDevice->RegisterPainter(shared_from_this(), mnLayerIndex);
+            if (mpLayerInvalidator)
+                mpLayerInvalidator->Invalidate(GetBoundingBox());
+        }
+    }
+}
+
+
+
+
+void InsertionIndicatorOverlay::Hide (void)
+{
+    if (mbIsVisible)
+    {
+        mbIsVisible = false;
+
+        ::boost::shared_ptr<LayeredDevice> pLayeredDevice (
+            mrSlideSorter.GetView().GetLayeredDevice());
+        if (pLayeredDevice)
+        {
+            if (mpLayerInvalidator)
+                mpLayerInvalidator->Invalidate(GetBoundingBox());
+            pLayeredDevice->RemovePainter(shared_from_this(), mnLayerIndex);
+        }
+    }
+}
+
+
+
+
+Rectangle InsertionIndicatorOverlay::GetBoundingBox (void) const
+{
+    return Rectangle(maLocation, maIcon.GetSizePixel());
+}
+
+
+
+
+Size InsertionIndicatorOverlay::GetSize (void) const
+{
+    return Size(
+        maIcon.GetSizePixel().Width() + 10,
+        maIcon.GetSizePixel().Height() + 10);
+}
+
+
+
+} } } // end of namespace ::sd::slidesorter::view
+