1 files changed, 192 insertions, 0 deletions
diff --git a/sd/source/core/ThemeColorChanger.cxx b/sd/source/core/ThemeColorChanger.cxx
new file mode 100644
index 0000000000..70d14bc374
--- /dev/null
+++ b/sd/source/core/ThemeColorChanger.cxx
@@ -0,0 +1,192 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+
+#include <editeng/colritem.hxx>
+#include <theme/ThemeColorChanger.hxx>
+#include <svx/theme/ThemeColorChangerCommon.hxx>
+#include <svx/svdmodel.hxx>
+#include <svx/svditer.hxx>
+#include <docmodel/theme/Theme.hxx>
+#include <DrawDocShell.hxx>
+#include <stlsheet.hxx>
+#include <svx/xlnclit.hxx>
+#include <svx/xflclit.hxx>
+#include <svx/xdef.hxx>
+#include <svx/dialmgr.hxx>
+#include <svx/strings.hrc>
+#include <editeng/eeitem.hxx>
+
+#include <unchss.hxx>
+#include <ViewShell.hxx>
+#include <ViewShellBase.hxx>
+#include <undo/undomanager.hxx>
+#include <UndoThemeChange.hxx>
+
+using namespace css;
+
+namespace sd
+{
+ThemeColorChanger::ThemeColorChanger(SdrPage* pMasterPage, sd::DrawDocShell* pDocShell)
+    : mpMasterPage(pMasterPage)
+    , mpDocShell(pDocShell)
+{
+}
+
+ThemeColorChanger::~ThemeColorChanger() = default;
+
+namespace
+{
+void changeThemeColors(sd::DrawDocShell* pDocShell, SdrPage* pMasterPage,
+                       std::shared_ptr<model::ColorSet> const& pNewColorSet)
+{
+    auto pTheme = pMasterPage->getSdrPageProperties().getTheme();
+    if (!pTheme)
+    {
+        pTheme = std::make_shared<model::Theme>("Office");
+        pMasterPage->getSdrPageProperties().setTheme(pTheme);
+    }
+
+    std::shared_ptr<model::ColorSet> const& pOldColorSet = pTheme->getColorSet();
+
+    auto* pUndoManager = pDocShell->GetUndoManager();
+    if (pUndoManager)
+    {
+        pUndoManager->AddUndoAction(std::make_unique<UndoThemeChange>(
+            pDocShell->GetDoc(), pMasterPage, pOldColorSet, pNewColorSet));
+    }
+
+    pTheme->setColorSet(pNewColorSet);
+}
+
+bool changeStyle(sd::DrawDocShell* pDocShell, SdStyleSheet* pStyle,
+                 std::shared_ptr<model::ColorSet> const& pColorSet)
+{
+    bool bChanged = false;
+
+    auto aItemSet = pStyle->GetItemSet();
+    if (const XFillColorItem* pItem = aItemSet.GetItemIfSet(XATTR_FILLCOLOR, false))
+    {
+        model::ComplexColor const& rComplexColor = pItem->getComplexColor();
+        if (rComplexColor.isValidThemeType())
+        {
+            Color aNewColor = pColorSet->resolveColor(rComplexColor);
+            std::unique_ptr<XFillColorItem> pNewItem(pItem->Clone());
+            pNewItem->SetColorValue(aNewColor);
+            aItemSet.Put(*pNewItem);
+            bChanged = true;
+        }
+    }
+    if (const XLineColorItem* pItem = aItemSet.GetItemIfSet(XATTR_LINECOLOR, false))
+    {
+        model::ComplexColor const& rComplexColor = pItem->getComplexColor();
+        if (rComplexColor.isValidThemeType())
+        {
+            Color aNewColor = pColorSet->resolveColor(rComplexColor);
+            std::unique_ptr<XLineColorItem> pNewItem(pItem->Clone());
+            pNewItem->SetColorValue(aNewColor);
+            aItemSet.Put(*pNewItem);
+            bChanged = true;
+        }
+    }
+    if (const SvxColorItem* pItem = aItemSet.GetItemIfSet(EE_CHAR_COLOR, false))
+    {
+        model::ComplexColor const& rComplexColor = pItem->getComplexColor();
+        if (rComplexColor.isValidThemeType())
+        {
+            Color aNewColor = pColorSet->resolveColor(rComplexColor);
+            std::unique_ptr<SvxColorItem> pNewItem(pItem->Clone());
+            pNewItem->setColor(aNewColor);
+            aItemSet.Put(*pNewItem);
+            bChanged = true;
+        }
+    }
+    if (bChanged)
+    {
+        pDocShell->GetUndoManager()->AddUndoAction(
+            std::make_unique<StyleSheetUndoAction>(pDocShell->GetDoc(), pStyle, &aItemSet));
+        pStyle->GetItemSet().Put(aItemSet);
+        pStyle->Broadcast(SfxHint(SfxHintId::DataChanged));
+    }
+    return bChanged;
+}
+
+bool changeStyles(sd::DrawDocShell* pDocShell, std::shared_ptr<model::ColorSet> const& pColorSet)
+{
+    bool bChanged = false;
+    SfxStyleSheetBasePool* pPool = pDocShell->GetStyleSheetPool();
+
+    SdStyleSheet* pStyle = static_cast<SdStyleSheet*>(pPool->First(SfxStyleFamily::Para));
+    while (pStyle)
+    {
+        bChanged = changeStyle(pDocShell, pStyle, pColorSet) || bChanged;
+        pStyle = static_cast<SdStyleSheet*>(pPool->Next());
+    }
+
+    return bChanged;
+}
+
+} // end anonymous ns
+
+void ThemeColorChanger::apply(std::shared_ptr<model::ColorSet> const& pColorSet)
+{
+    auto* pUndoManager = mpDocShell->GetUndoManager();
+    sd::ViewShell* pViewShell = mpDocShell->GetViewShell();
+    if (!pViewShell)
+        return;
+
+    SdrView* pView = pViewShell->GetView();
+    if (!pView)
+        return;
+
+    ViewShellId nViewShellId = pViewShell->GetViewShellBase().GetViewShellId();
+    pUndoManager->EnterListAction(SvxResId(RID_SVXSTR_UNDO_THEME_COLOR_CHANGE), "", 0,
+                                  nViewShellId);
+
+    changeStyles(mpDocShell, pColorSet);
+
+    SdrModel& rModel = mpMasterPage->getSdrModelFromSdrPage();
+    for (sal_uInt16 nPage = 0; nPage < rModel.GetPageCount(); ++nPage)
+    {
+        SdrPage* pCurrentPage = rModel.GetPage(nPage);
+
+        // TODO - for now change all the objects regardless to which master page it belongs to.
+        // Currently we don't have a concept of master slide with a group of layouts as in MSO, but we always only
+        // have master pages, which aren't grouped together. In MSO the theme is defined per master slide, so when
+        // changing a theme, all the layouts get the new theme, as layouts are synonymous to master pages in LibreOffice,
+        // this is not possible to do and we would need to change the theme for each master page separately, which
+        // is just annoying for the user.
+
+        // if (!pCurrentPage->TRG_HasMasterPage() || &pCurrentPage->TRG_GetMasterPage() != mpMasterPage)
+        //     continue;
+
+        SdrObjListIter aIter(pCurrentPage, SdrIterMode::DeepWithGroups);
+        while (aIter.IsMore())
+        {
+            svx::theme::updateSdrObject(*pColorSet, aIter.Next(), pView, pUndoManager);
+        }
+    }
+
+    changeThemeColors(mpDocShell, mpMasterPage, pColorSet);
+
+    // See the TODO comment a couple of line above for the explanation - need to change the ThemeColors for all master
+    // pages for now, but the following code will need to be changed in the future when we have the concept similar to
+    // master slide and layouts
+    for (sal_uInt16 nPage = 0; nPage < rModel.GetPageCount(); ++nPage)
+    {
+        SdrPage* pCurrentPage = rModel.GetPage(nPage);
+        if (pCurrentPage->IsMasterPage() && pCurrentPage != mpMasterPage)
+            changeThemeColors(mpDocShell, pCurrentPage, pColorSet);
+    }
+
+    pUndoManager->LeaveListAction();
+}
+
+} // end sd namespace
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */