Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 203 insertions, 0 deletions

diff --git a/slideshow/source/engine/animationnodes/animationaudionode.cxx b/slideshow/source/engine/animationnodes/animationaudionode.cxx
new file mode 100644
index 000000000..c6eb61d17
--- /dev/null
+++ b/slideshow/source/engine/animationnodes/animationaudionode.cxx
@@ -0,0 +1,203 @@
+/* -*- 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 <sal/config.h>
+
+#include <com/sun/star/lang/NoSupportException.hpp>
+
+#include <eventqueue.hxx>
+#include "animationaudionode.hxx"
+#include <delayevent.hxx>
+
+using namespace com::sun::star;
+
+namespace slideshow::internal {
+
+AnimationAudioNode::AnimationAudioNode(
+    const uno::Reference< animations::XAnimationNode >& xNode,
+    const BaseContainerNodeSharedPtr&                   rParent,
+    const NodeContext&                                  rContext )
+    : BaseNode( xNode, rParent, rContext ),
+      mxAudioNode( xNode, uno::UNO_QUERY_THROW ),
+      maSoundURL(),
+      mpPlayer()
+{
+    mxAudioNode->getSource() >>= maSoundURL;
+
+    OSL_ENSURE( !maSoundURL.isEmpty(),
+                "could not extract sound source URL/empty URL string" );
+
+    ENSURE_OR_THROW( getContext().mxComponentContext.is(),
+                      "Invalid component context" );
+}
+
+void AnimationAudioNode::dispose()
+{
+    resetPlayer();
+    mxAudioNode.clear();
+    BaseNode::dispose();
+}
+
+void AnimationAudioNode::activate_st()
+{
+    createPlayer();
+
+    AnimationEventHandlerSharedPtr aHandler(
+        std::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) );
+    OSL_ENSURE( aHandler,
+                "could not cast self to AnimationEventHandler?" );
+    getContext().mrEventMultiplexer.addCommandStopAudioHandler( aHandler );
+
+    if (mpPlayer && mpPlayer->startPlayback())
+    {
+        // TODO(F2): Handle end time attribute, too
+        if( getXAnimationNode()->getDuration().hasValue() )
+        {
+            scheduleDeactivationEvent();
+        }
+        else
+        {
+            // no node duration. Take inherent media time. We have to recheck
+            // if the player is playing in case the duration isn't accurate
+            // or the progress fall behind.
+            auto self(getSelf());
+            scheduleDeactivationEvent(
+                makeDelay( [this] () { this->checkPlayingStatus(); },
+                           mpPlayer->getDuration(),
+                           "AnimationAudioNode::check if still playing with delay") );
+        }
+    }
+    else
+    {
+        // deactivate ASAP:
+        auto self(getSelf());
+        scheduleDeactivationEvent(
+            makeEvent( [self] () { self->deactivate(); },
+                                    "AnimationAudioNode::deactivate without delay") );
+    }
+}
+
+// TODO(F2): generate deactivation event, when sound
+// is over
+
+namespace {
+
+// libc++ and MSVC std::bind doesn't cut it here, and it's not possible to use
+// a lambda because the preprocessor thinks that comma in capture list
+// separates macro parameters
+struct NotifyAudioStopped
+{
+    EventMultiplexer & m_rEventMultiplexer;
+    ::std::shared_ptr<BaseNode> m_pSelf;
+    NotifyAudioStopped(EventMultiplexer & rEventMultiplexer,
+            ::std::shared_ptr<BaseNode> const& pSelf)
+        : m_rEventMultiplexer(rEventMultiplexer), m_pSelf(pSelf) { }
+
+    void operator()()
+    {
+        m_rEventMultiplexer.notifyAudioStopped(m_pSelf);
+    }
+};
+
+}
+
+void AnimationAudioNode::deactivate_st( NodeState /*eDestState*/ )
+{
+    AnimationEventHandlerSharedPtr aHandler(
+        std::dynamic_pointer_cast<AnimationEventHandler>( getSelf() ) );
+    OSL_ENSURE( aHandler,
+                "could not cast self to AnimationEventHandler?" );
+    getContext().mrEventMultiplexer.removeCommandStopAudioHandler( aHandler );
+
+    // force-end sound
+    if (mpPlayer)
+    {
+        mpPlayer->stopPlayback();
+        resetPlayer();
+    }
+
+    // notify _after_ state change:
+    getContext().mrEventQueue.addEvent(
+        makeEvent( NotifyAudioStopped(getContext().mrEventMultiplexer, getSelf()),
+                   "AnimationAudioNode::notifyAudioStopped") );
+}
+
+bool AnimationAudioNode::hasPendingAnimation() const
+{
+    // force slide to use the animation framework
+    // (otherwise, a single sound on the slide would
+    // not be played).
+    return true;
+}
+
+void AnimationAudioNode::createPlayer() const
+{
+    if (mpPlayer)
+        return;
+
+    try
+    {
+        mpPlayer = SoundPlayer::create( getContext().mrEventMultiplexer,
+                                        maSoundURL,
+                                        getContext().mxComponentContext,
+                                        getContext().mrMediaFileManager);
+    }
+    catch( lang::NoSupportException& )
+    {
+        // catch possible exceptions from SoundPlayer,
+        // since being not able to playback the sound
+        // is not a hard error here (remainder of the
+        // animations should still work).
+    }
+}
+
+void AnimationAudioNode::resetPlayer() const
+{
+    if (mpPlayer)
+    {
+        mpPlayer->stopPlayback();
+        mpPlayer->dispose();
+        mpPlayer.reset();
+    }
+}
+
+bool AnimationAudioNode::handleAnimationEvent(
+    const AnimationNodeSharedPtr& /*rNode*/ )
+{
+    // TODO(F2): for now we support only STOPAUDIO events.
+    deactivate();
+    return true;
+}
+
+void AnimationAudioNode::checkPlayingStatus()
+{
+    auto self(getSelf());
+    double nDuration = mpPlayer->getDuration();
+    if (!mpPlayer->isPlaying() || nDuration < 0.0)
+        nDuration = 0.0;
+
+    scheduleDeactivationEvent(
+        makeDelay( [self] () { self->deactivate(); },
+            nDuration,
+            "AnimationAudioNode::deactivate with delay") );
+}
+
+} // namespace slideshow::internal
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */