1 files changed, 323 insertions, 0 deletions
diff --git a/avmedia/source/framework/soundhandler.cxx b/avmedia/source/framework/soundhandler.cxx
new file mode 100644
index 000000000..cf341f722
--- /dev/null
+++ b/avmedia/source/framework/soundhandler.cxx
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+/* -*- 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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "soundhandler.hxx"
+
+#include <unotools/mediadescriptor.hxx>
+
+#include <com/sun/star/io/XInputStream.hpp>
+#include <com/sun/star/frame/DispatchResultState.hpp>
+
+#include <avmedia/mediawindow.hxx>
+#include <cppuhelper/queryinterface.hxx>
+#include <cppuhelper/typeprovider.hxx>
+#include <cppuhelper/factory.hxx>
+#include <cppuhelper/supportsservice.hxx>
+
+namespace avmedia{
+
+
+//  XInterface, XTypeProvider, XServiceInfo
+
+
+void SAL_CALL SoundHandler::acquire() throw()
+{
+       /* Don't use mutex in methods of XInterface! */
+       OWeakObject::acquire();
+}
+
+void SAL_CALL SoundHandler::release() throw()
+{
+       /* Don't use mutex in methods of XInterface! */
+       OWeakObject::release();
+}
+
+css::uno::Any SAL_CALL SoundHandler::queryInterface( const css::uno::Type& aType )
+{
+       /* Attention: Don't use mutex or guard in this method!!! Is a method of XInterface.     */
+        /* Ask for my own supported interfaces ...*/
+       css::uno::Any aReturn( ::cppu::queryInterface( aType,
+               static_cast< css::lang::XTypeProvider* >(this),
+               static_cast< css::lang::XServiceInfo* >(this),
+               static_cast< css::frame::XNotifyingDispatch* >(this),
+               static_cast< css::frame::XDispatch* >(this),
+               static_cast< css::document::XExtendedFilterDetection* >(this)));
+       /* If searched interface not supported by this class ... */
+       if ( !aReturn.hasValue() )
+       {
+               /* ... ask baseclass for interfaces! */
+               aReturn = OWeakObject::queryInterface( aType );
+       }
+        /* Return result of this search. */
+       return aReturn;
+}
+
+css::uno::Sequence< sal_Int8 > SAL_CALL SoundHandler::getImplementationId()
+{
+    return css::uno::Sequence<sal_Int8>();
+}
+
+css::uno::Sequence< css::uno::Type > SAL_CALL SoundHandler::getTypes()
+{
+    static ::cppu::OTypeCollection aTypeCollection(
+        cppu::UnoType<css::lang::XTypeProvider>::get(),
+        cppu::UnoType<css::lang::XServiceInfo>::get(),
+        cppu::UnoType<css::frame::XNotifyingDispatch>::get(),
+        cppu::UnoType<css::frame::XDispatch>::get(),
+        cppu::UnoType<css::document::XExtendedFilterDetection>::get());
+
+    return aTypeCollection.getTypes();
+}
+
+#define IMPLEMENTATIONNAME_SOUNDHANDLER "com.sun.star.comp.framework.SoundHandler"
+
+/*===========================================================================================================*/
+/* XServiceInfo */
+/*===========================================================================================================*/
+OUString SAL_CALL SoundHandler::getImplementationName()
+{
+    return IMPLEMENTATIONNAME_SOUNDHANDLER;
+}
+
+// XServiceInfo
+sal_Bool SAL_CALL SoundHandler::supportsService( const OUString& sServiceName )
+{
+    return cppu::supportsService(this, sServiceName);
+}
+
+// XServiceInfo
+css::uno::Sequence< OUString > SAL_CALL SoundHandler::getSupportedServiceNames()
+{
+    return { "com.sun.star.frame.ContentHandler" };
+}
+
+/*-************************************************************************************************************
+    @short      standard ctor
+    @descr      These initialize a new instance of this class with needed information for work.
+
+    @seealso    using at owner
+
+    @param      "xFactory", reference to service manager for creation of new services
+    @onerror    Show an assertion and do nothing else.
+    @threadsafe yes
+*//*-*************************************************************************************************************/
+SoundHandler::SoundHandler()
+        // Init member
+    :   m_bError        ( false    )
+    ,   m_aUpdateIdle   ( "avmedia SoundHandler Update" )
+{
+    m_aUpdateIdle.SetInvokeHandler(LINK(this, SoundHandler, implts_PlayerNotify));
+}
+
+/*-************************************************************************************************************
+    @short      standard dtor
+*//*-*************************************************************************************************************/
+SoundHandler::~SoundHandler()
+{
+    if (m_xListener.is())
+    {
+        css::frame::DispatchResultEvent aEvent;
+        aEvent.State = css::frame::DispatchResultState::FAILURE;
+        m_xListener->dispatchFinished(aEvent);
+        m_xListener.clear();
+    }
+}
+
+/*-************************************************************************************************************
+    @interface  css::frame::XDispatch
+
+    @short      try to load audio file
+    @descr      This method try to load given audio file by URL and play it. We use vcl/Sound class to do that.
+                Playing of sound is asynchron every time.
+
+    @attention  We must hold us alive by ourself ... because we use async. vcl sound player ... but playing is started
+                in async interface call "dispatch()" too. And caller forget us immediately. But then our uno ref count
+                will decreased to 0 and will die. The only solution is to use own reference to our implementation.
+                But we do it for really started jobs only and release it during call back of vcl.
+
+    @seealso    class vcl/Sound
+    @seealso    method implts_PlayerNotify()
+
+    @param      "aURL"      , URL to dispatch.
+    @param      "lArguments", list of optional arguments.
+    @onerror    We do nothing.
+    @threadsafe yes
+*//*-*************************************************************************************************************/
+void SAL_CALL SoundHandler::dispatchWithNotification(const css::util::URL&                                             aURL      ,
+                                                     const css::uno::Sequence< css::beans::PropertyValue >&            lDescriptor,
+                                                     const css::uno::Reference< css::frame::XDispatchResultListener >& xListener )
+{
+    // SAFE {
+    const ::osl::MutexGuard aLock( GetMutex() );
+
+    utl::MediaDescriptor aDescriptor(lDescriptor);
+
+    {
+    //close streams otherwise on windows we can't reopen the file in the
+    //media player when we pass the url to directx as it'll already be open
+    css::uno::Reference< css::io::XInputStream > xInputStream =
+        aDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_INPUTSTREAM(),
+        css::uno::Reference< css::io::XInputStream >());
+    if (xInputStream.is()) xInputStream->closeInput();
+    }
+
+    // If player currently used for other dispatch() requests ...
+    // cancel it by calling stop()!
+    m_aUpdateIdle.Stop();
+    if (m_xPlayer.is())
+    {
+        if (m_xPlayer->isPlaying())
+            m_xPlayer->stop();
+        m_xPlayer.clear();
+    }
+
+    // Try to initialize player.
+    m_xListener = xListener;
+    try
+    {
+        m_bError = false;
+        m_xPlayer.set( avmedia::MediaWindow::createPlayer( aURL.Complete, aDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_REFERRER(), OUString()) ), css::uno::UNO_SET_THROW );
+        // OK- we can start async playing ...
+        // Count this request and initialize self-holder against dying by uno ref count ...
+        m_xSelfHold.set(static_cast< ::cppu::OWeakObject* >(this), css::uno::UNO_QUERY);
+        m_xPlayer->start();
+        m_aUpdateIdle.SetPriority( TaskPriority::HIGH_IDLE );
+        m_aUpdateIdle.Start();
+    }
+    catch( css::uno::Exception& )
+    {
+        m_bError = true;
+        m_xPlayer.clear();
+    }
+
+    // } SAFE
+}
+
+void SAL_CALL SoundHandler::dispatch( const css::util::URL&                                  aURL       ,
+                                      const css::uno::Sequence< css::beans::PropertyValue >& lArguments )
+{
+    dispatchWithNotification(aURL, lArguments, css::uno::Reference< css::frame::XDispatchResultListener >());
+}
+
+/*-************************************************************************************************************
+    @interface  css::document::XExtendedFilterDetection
+
+    @short      try to detect file (given as argument included in "lDescriptor")
+    @descr      We try to detect, if given file could be handled by this class and is a well known one.
+                If it is - we return right internal type name - otherwise we return nothing!
+                So call can search for another detect service and ask him too.
+
+    @attention  a) We don't need any mutex here ... because we don't use any member!
+                b) Don't use internal player instance "m_pPlayer" to detect given sound file!
+                   It's not necessary to do that ... and we can use temp. variable to do the same.
+                   This way is easy - we don't must synchronize it with currently played sounds!
+                   Another reason to do so ... We are a listener on our internal ma_Player object.
+                   If you would call "IsSoundFile()" on this instance, he would call us back and
+                   we make some unnecessary things ...
+    @param      "lDescriptor", description of file to detect
+    @return     Internal type name which match this file ... or nothing if it is unknown.
+
+    @onerror    We return nothing.
+    @threadsafe yes
+*//*-*************************************************************************************************************/
+OUString SAL_CALL SoundHandler::detect( css::uno::Sequence< css::beans::PropertyValue >& lDescriptor )
+{
+    // Our default is "nothing". So we can return it, if detection failed or file type is really unknown.
+    OUString sTypeName;
+
+    // Analyze given descriptor to find filename or input stream or ...
+    utl::MediaDescriptor aDescriptor(lDescriptor);
+    OUString                      sURL       = aDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_URL(), OUString());
+    OUString                      sReferer   = aDescriptor.getUnpackedValueOrDefault(utl::MediaDescriptor::PROP_REFERRER(), OUString());
+
+    if (
+        !sURL.isEmpty() &&
+        (avmedia::MediaWindow::isMediaURL(sURL, sReferer))
+       )
+    {
+        // If the file type is supported depends on the OS, so...
+        // I think we can the following ones:
+        //  a) look for given extension of url to map our type decision HARD CODED!!!
+        //  b) return preferred type every time... it's easy :-)
+        sTypeName = "wav_Wave_Audio_File";
+        aDescriptor[utl::MediaDescriptor::PROP_TYPENAME()] <<= sTypeName;
+        aDescriptor >> lDescriptor;
+    }
+
+    // Return our decision.
+    return sTypeName;
+}
+
+/*-************************************************************************************************************
+    @short      call back of sound player
+    @descr      Our player call us back to give us some information.
+                We use this information to callback our might existing listener.
+
+    @seealso    method dispatchWithNotification()
+    @return     0 every time... it doesn't matter for us.
+    @threadsafe yes
+*//*-*************************************************************************************************************/
+IMPL_LINK_NOARG(SoundHandler, implts_PlayerNotify, Timer *, void)
+{
+    // SAFE {
+    ::osl::ClearableMutexGuard aLock( GetMutex() );
+
+    if (m_xPlayer.is() && m_xPlayer->isPlaying() && m_xPlayer->getMediaTime() < m_xPlayer->getDuration())
+    {
+        m_aUpdateIdle.Start();
+        return;
+    }
+    m_xPlayer.clear();
+
+    // We use m_xSelfHold to let us die ... but we must live till real finishing of this method too!!!
+    // So we SHOULD use another "self-holder" temp. to provide that ...
+    css::uno::Reference< css::uno::XInterface > xOperationHold = m_xSelfHold;
+    m_xSelfHold.clear();
+
+    // notify might existing listener
+    // And forget this listener!
+    // Because the corresponding dispatch was finished.
+    if (m_xListener.is())
+    {
+        css::frame::DispatchResultEvent aEvent;
+        if (!m_bError)
+            aEvent.State = css::frame::DispatchResultState::SUCCESS;
+        else
+            aEvent.State = css::frame::DispatchResultState::FAILURE;
+        m_xListener->dispatchFinished(aEvent);
+        m_xListener.clear();
+    }
+
+    // } SAFE
+    //release aLock before end of method at which point xOperationHold goes out of scope and pThis dies
+    aLock.clear();
+}
+
+} // namespace framework
+
+
+extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface*
+com_sun_star_comp_framework_SoundHandler_get_implementation(css::uno::XComponentContext*,
+                                                            css::uno::Sequence<css::uno::Any> const &)
+{
+    return cppu::acquire(new avmedia::SoundHandler);
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */