ODF import: add embedded pdf support

The use-case is to have a .svm and .pdf alternative, need to pick .pdf
from those.

The test fails with any of the below commits reverted:
- the xmloff part of this commit
- fda68426 (ODT export: add embedded pdf
support, 2016-06-27)
- 878a860d (vcl: add initial PDF
import-as-graphic filter, 2016-06-23)

Change-Id: Id5b298d25a46af6ce7aa5f8c71a29c3914e1a7ce
Reviewed-on: https://gerrit.libreoffice.org/26706Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>
Tested-by: Jenkins <ci@libreoffice.org>

sw/CppunitTest_sw_odfexport.mk

@@ -46,46 +46,7 @@ $(eval $(call gb_CppunitTest_use_sdk_api,sw_odfexport))
 $(eval $(call gb_CppunitTest_use_ure,sw_odfexport))
 $(eval $(call gb_CppunitTest_use_vcl,sw_odfexport))
 
-$(eval $(call gb_CppunitTest_use_components,sw_odfexport,\
-    basic/util/sb \
-    comphelper/util/comphelp \
-    configmgr/source/configmgr \
-    embeddedobj/util/embobj \
-    filter/source/config/cache/filterconfig1 \
-    filter/source/storagefilterdetect/storagefd \
-	filter/source/odfflatxml/odfflatxml \
-	filter/source/xmlfilterdetect/xmlfd \
-	filter/source/xmlfilteradaptor/xmlfa \
-    framework/util/fwk \
-    i18npool/util/i18npool \
-    linguistic/source/lng \
-    oox/util/oox \
-    package/source/xstor/xstor \
-    package/util/package2 \
-    sax/source/expatwrap/expwrap \
-    sfx2/util/sfx \
-    starmath/util/sm \
-    svl/source/fsstor/fsstorage \
-    svtools/util/svt \
-    sw/util/sw \
-    sw/util/swd \
-    toolkit/util/tk \
-    ucb/source/core/ucb1 \
-    ucb/source/ucp/file/ucpfile1 \
-    unotools/util/utl \
-    unoxml/source/service/unoxml \
-    uui/util/uui \
-    writerfilter/util/writerfilter \
-    $(if $(filter DESKTOP,$(BUILD_TYPE)),xmlhelp/util/ucpchelp1) \
-    xmloff/util/xo \
-    chart2/source/chartcore \
-    chart2/source/controller/chartcontroller \
-    sc/util/sc \
-    sd/util/sd \
-    svx/util/svxcore \
-    xmloff/source/transform/xof \
-    xmlscript/util/xmlscript \
-))
+$(eval $(call gb_CppunitTest_use_rdb,sw_odfexport,services))
 
 $(eval $(call gb_CppunitTest_use_custom_headers,sw_odfexport,\
     officecfg/registry \

sw/qa/extras/odfexport/odfexport.cxx

@@ -809,6 +809,13 @@ DECLARE_ODFEXPORT_TEST(testCellUserDefineAttr, "userdefattr-tablecell.odt")
     getUserDefineAttribute(uno::makeAny(xCellC1), "proName", "v3");
 }
 
+DECLARE_ODFEXPORT_TEST(testEmbeddedPdf, "embedded-pdf.odt")
+{
+    uno::Reference<drawing::XShape> xShape = getShape(1);
+    // This failed, pdf+svm replacement graphics pair didn't survive an ODT roundtrip.
+    CPPUNIT_ASSERT(!getProperty<OUString>(xShape, "ReplacementGraphicURL").isEmpty());
+}
+
 #endif
 
 CPPUNIT_PLUGIN_IMPLEMENT();

xmloff/source/core/xmlmultiimagehelper.cxx

@@ -59,10 +59,14 @@ namespace
         {
             return 1020;
         }
-        if(rString.endsWith(".svg"))
+        if(rString.endsWith(".pdf"))
         {
             return 1030;
         }
+        if(rString.endsWith(".svg"))
+        {
+            return 1040;
+        }
 
         return nRetval;
     }