Fix some IWYU warnings

Change-Id: I11d874caad9174fb1a70121f1772e117753ee519
Reviewed-on: https://gerrit.libreoffice.org/54503
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>

12 files changed, 164 insertions, 19 deletions

diff --git a/writerfilter/source/rtftok/rtflookahead.cxx b/writerfilter/source/rtftok/rtflookahead.cxx
index 009155bc8faf..f7c457bc754c 100644
--- a/writerfilter/source/rtftok/rtflookahead.cxx
+++ b/writerfilter/source/rtftok/rtflookahead.cxx
@@ -8,10 +8,24 @@
  */
 
 #include "rtflookahead.hxx"
-#include <com/sun/star/task/XStatusIndicator.hpp>
+#include <com/sun/star/uno/Reference.hxx>
 #include <tools/stream.hxx>
 #include "rtftokenizer.hxx"
 
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace task
+{
+class XStatusIndicator;
+}
+}
+}
+}
+
 using namespace com::sun::star;
 
 namespace writerfilter
diff --git a/writerfilter/source/rtftok/rtftokenizer.cxx b/writerfilter/source/rtftok/rtftokenizer.cxx
index 8ca3a9dade36..a3a4aff2da7e 100644
--- a/writerfilter/source/rtftok/rtftokenizer.cxx
+++ b/writerfilter/source/rtftok/rtftokenizer.cxx
@@ -16,6 +16,7 @@
 #include <rtl/character.hxx>
 #include "rtfskipdestination.hxx"
 #include <com/sun/star/io/BufferSizeExceededException.hpp>
+#include <com/sun/star/task/XStatusIndicator.hpp>
 #include <osl/diagnose.h>
 #include <filter/msfilter/rtfutil.hxx>
 
diff --git a/writerfilter/source/rtftok/rtftokenizer.hxx b/writerfilter/source/rtftok/rtftokenizer.hxx
index d4847e6ed861..b260ae8d0a7b 100644
--- a/writerfilter/source/rtftok/rtftokenizer.hxx
+++ b/writerfilter/source/rtftok/rtftokenizer.hxx
@@ -14,8 +14,23 @@
 
 #include <vector>
 
-#include <com/sun/star/task/XStatusIndicator.hpp>
+#include <com/sun/star/uno/Reference.h>
 
+#include <rtl/ustring.hxx>
+
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace task
+{
+class XStatusIndicator;
+}
+}
+}
+}
 class SvStream;
 
 namespace writerfilter
diff --git a/writerperfect/source/writer/EPUBExportUIComponent.cxx b/writerperfect/source/writer/EPUBExportUIComponent.cxx
index 13e7be6b59d8..a34655802d7f 100644
--- a/writerperfect/source/writer/EPUBExportUIComponent.cxx
+++ b/writerperfect/source/writer/EPUBExportUIComponent.cxx
@@ -13,7 +13,6 @@
 #include <comphelper/namedvaluecollection.hxx>
 #include <cppuhelper/supportsservice.hxx>
 #include <vcl/svapp.hxx>
-#include <vcl/vclptr.hxx>
 
 #include "EPUBExportDialog.hxx"
 
diff --git a/writerperfect/source/writer/EPUBExportUIComponent.hxx b/writerperfect/source/writer/EPUBExportUIComponent.hxx
index 84f3ed8be893..4576dad6a88c 100644
--- a/writerperfect/source/writer/EPUBExportUIComponent.hxx
+++ b/writerperfect/source/writer/EPUBExportUIComponent.hxx
@@ -10,17 +10,33 @@
 #ifndef INCLUDED_WRITERPERFECT_SOURCE_WRITER_EPUBEXPORTUICOMPONENT_HXX
 #define INCLUDED_WRITERPERFECT_SOURCE_WRITER_EPUBEXPORTUICOMPONENT_HXX
 
-#include <com/sun/star/awt/XWindow.hpp>
 #include <com/sun/star/beans/XPropertyAccess.hpp>
 #include <com/sun/star/lang/XServiceInfo.hpp>
 #include <com/sun/star/lang/XInitialization.hpp>
 #include <com/sun/star/ui/dialogs/XExecutableDialog.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
 #include <com/sun/star/document/XExporter.hpp>
 
 #include <comphelper/sequenceashashmap.hxx>
 #include <cppuhelper/implbase.hxx>
 
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace awt
+{
+class XWindow;
+}
+namespace uno
+{
+class XComponentContext;
+}
+}
+}
+}
+
 namespace writerperfect
 {
 /// EPUB export UI component implementation.
diff --git a/writerperfect/source/writer/EPUBPackage.cxx b/writerperfect/source/writer/EPUBPackage.cxx
index 6decc3b8f9b7..96a0bb714789 100644
--- a/writerperfect/source/writer/EPUBPackage.cxx
+++ b/writerperfect/source/writer/EPUBPackage.cxx
@@ -14,6 +14,7 @@
 #include <com/sun/star/io/XSeekable.hpp>
 #include <com/sun/star/xml/sax/Writer.hpp>
 #include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
 
 #include <comphelper/storagehelper.hxx>
 #include <unotools/mediadescriptor.hxx>
diff --git a/writerperfect/source/writer/EPUBPackage.hxx b/writerperfect/source/writer/EPUBPackage.hxx
index e7d135648326..00cd129d8045 100644
--- a/writerperfect/source/writer/EPUBPackage.hxx
+++ b/writerperfect/source/writer/EPUBPackage.hxx
@@ -12,11 +12,41 @@
 
 #include <libepubgen/EPUBPackage.h>
 
-#include <com/sun/star/beans/PropertyValue.hpp>
-#include <com/sun/star/embed/XHierarchicalStorageAccess.hpp>
 #include <com/sun/star/uno/Sequence.h>
-#include <com/sun/star/uno/XComponentContext.hpp>
-#include <com/sun/star/xml/sax/XWriter.hpp>
+#include <com/sun/star/uno/Reference.h>
+
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace beans
+{
+struct PropertyValue;
+}
+namespace embed
+{
+class XHierarchicalStorageAccess;
+}
+namespace io
+{
+class XOutputStream;
+}
+namespace uno
+{
+class XComponentContext;
+}
+namespace xml
+{
+namespace sax
+{
+class XWriter;
+}
+}
+}
+}
+}
 
 namespace writerperfect
 {
diff --git a/writerperfect/source/writer/exp/xmlimp.hxx b/writerperfect/source/writer/exp/xmlimp.hxx
index 9d0dfd430d12..fc6c473a048b 100644
--- a/writerperfect/source/writer/exp/xmlimp.hxx
+++ b/writerperfect/source/writer/exp/xmlimp.hxx
@@ -16,15 +16,34 @@
 
 #include <librevenge/librevenge.h>
 
-#include <com/sun/star/beans/PropertyValue.hpp>
-#include <com/sun/star/uno/XComponentContext.hpp>
-#include <com/sun/star/uri/XUriReferenceFactory.hpp>
 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
 
 #include <cppuhelper/implbase.hxx>
 #include <rtl/ref.hxx>
 #include <tools/gen.hxx>
 
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace beans
+{
+struct PropertyValue;
+}
+namespace uno
+{
+class XComponentContext;
+}
+namespace uri
+{
+class XUriReferenceFactory;
+}
+}
+}
+}
+
 namespace writerperfect
 {
 namespace exp
diff --git a/xmlsecurity/inc/pdfsignaturehelper.hxx b/xmlsecurity/inc/pdfsignaturehelper.hxx
index 2997a333d9a7..f23a371d2820 100644
--- a/xmlsecurity/inc/pdfsignaturehelper.hxx
+++ b/xmlsecurity/inc/pdfsignaturehelper.hxx
@@ -13,12 +13,37 @@
 
 #include "xmlsecuritydllapi.h"
 
-#include <com/sun/star/io/XInputStream.hpp>
-#include <com/sun/star/security/DocumentSignatureInformation.hpp>
-#include <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>
-
 #include <svl/sigstruct.hxx>
 
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace io
+{
+class XInputStream;
+}
+namespace security
+{
+class XCertificate;
+}
+namespace security
+{
+struct DocumentSignatureInformation;
+}
+namespace xml
+{
+namespace crypto
+{
+class XSecurityEnvironment;
+}
+}
+}
+}
+}
+
 /// Handles signatures of a PDF file.
 class XMLSECURITY_DLLPUBLIC PDFSignatureHelper
 {
diff --git a/xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx b/xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx
index e28b01a61d5e..442323deb6ad 100644
--- a/xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx
+++ b/xmlsecurity/qa/unit/pdfsigning/pdfsigning.cxx
@@ -8,6 +8,7 @@
  */
 
 #include <com/sun/star/xml/crypto/SEInitializer.hpp>
+#include <com/sun/star/security/DocumentSignatureInformation.hpp>
 
 #include <comphelper/processfactory.hxx>
 #include <osl/file.hxx>
diff --git a/xmlsecurity/source/helper/ooxmlsecexporter.hxx b/xmlsecurity/source/helper/ooxmlsecexporter.hxx
index 12c7c197047c..5d94da2fdb6c 100644
--- a/xmlsecurity/source/helper/ooxmlsecexporter.hxx
+++ b/xmlsecurity/source/helper/ooxmlsecexporter.hxx
@@ -12,11 +12,33 @@
 
 #include <memory>
 
-#include <com/sun/star/uno/XComponentContext.hpp>
-#include <com/sun/star/embed/XStorage.hpp>
-#include <com/sun/star/xml/sax/XDocumentHandler.hpp>
 #include <svl/sigstruct.hxx>
 
+namespace com
+{
+namespace sun
+{
+namespace star
+{
+namespace embed
+{
+class XStorage;
+}
+namespace uno
+{
+class XComponentContext;
+}
+namespace xml
+{
+namespace sax
+{
+class XDocumentHandler;
+}
+}
+}
+}
+}
+
 /// Writes a single OOXML digital signature.
 class OOXMLSecExporter
 {
diff --git a/xmlsecurity/source/helper/pdfsignaturehelper.cxx b/xmlsecurity/source/helper/pdfsignaturehelper.cxx
index 3e3e6ebdf467..a54d121d97eb 100644
--- a/xmlsecurity/source/helper/pdfsignaturehelper.cxx
+++ b/xmlsecurity/source/helper/pdfsignaturehelper.cxx
@@ -14,6 +14,8 @@
 #include <com/sun/star/io/XTruncate.hpp>
 #include <com/sun/star/security/CertificateValidity.hpp>
 #include <com/sun/star/uno/SecurityException.hpp>
+#include <com/sun/star/security/DocumentSignatureInformation.hpp>
+#include <com/sun/star/xml/crypto/XSecurityEnvironment.hpp>
 
 #include <tools/stream.hxx>
 #include <unotools/ucbstreamhelper.hxx>