diff options
Diffstat (limited to 'src/plugins/gstreamer/camerabin/camerabinresourcepolicy.cpp')
| -rw-r--r-- | src/plugins/gstreamer/camerabin/camerabinresourcepolicy.cpp | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/src/plugins/gstreamer/camerabin/camerabinresourcepolicy.cpp b/src/plugins/gstreamer/camerabin/camerabinresourcepolicy.cpp deleted file mode 100644 index 6da86e569..000000000 --- a/src/plugins/gstreamer/camerabin/camerabinresourcepolicy.cpp +++ /dev/null @@ -1,242 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "QtMultimedia/private/qtmultimediaglobal_p.h" -#include "camerabinresourcepolicy.h" -//#define DEBUG_RESOURCE_POLICY -#include <QtCore/qdebug.h> -#include <QtCore/qset.h> - -#if QT_CONFIG(resourcepolicy) -#include <policy/resource.h> -#include <policy/resources.h> -#include <policy/resource-set.h> -#endif - -QT_BEGIN_NAMESPACE - -CamerabinResourcePolicy::CamerabinResourcePolicy(QObject *parent) : - QObject(parent), - m_resourceSet(NoResources), - m_releasingResources(false), - m_canCapture(false) -{ -#if QT_CONFIG(resourcepolicy) - //loaded resource set is also kept requested for image and video capture sets - m_resource = new ResourcePolicy::ResourceSet("camera"); - m_resource->setAlwaysReply(); - m_resource->initAndConnect(); - - connect(m_resource, SIGNAL(resourcesGranted(QList<ResourcePolicy::ResourceType>)), - SLOT(handleResourcesGranted())); - connect(m_resource, SIGNAL(resourcesDenied()), SIGNAL(resourcesDenied())); - connect(m_resource, SIGNAL(lostResources()), SLOT(handleResourcesLost())); - connect(m_resource, SIGNAL(resourcesReleased()), SLOT(handleResourcesReleased())); - connect(m_resource, SIGNAL(resourcesBecameAvailable(QList<ResourcePolicy::ResourceType>)), - this, SLOT(resourcesAvailable())); - connect(m_resource, SIGNAL(updateOK()), this, SLOT(updateCanCapture())); -#endif -} - -CamerabinResourcePolicy::~CamerabinResourcePolicy() -{ -#if QT_CONFIG(resourcepolicy) - //ensure the resources are released - if (m_resourceSet != NoResources) - setResourceSet(NoResources); - - //don't delete the resource set until resources are released - if (m_releasingResources) { - m_resource->connect(m_resource, SIGNAL(resourcesReleased()), - SLOT(deleteLater())); - } else { - delete m_resource; - m_resource = 0; - } -#endif -} - -CamerabinResourcePolicy::ResourceSet CamerabinResourcePolicy::resourceSet() const -{ - return m_resourceSet; -} - -void CamerabinResourcePolicy::setResourceSet(CamerabinResourcePolicy::ResourceSet set) -{ - CamerabinResourcePolicy::ResourceSet oldSet = m_resourceSet; - m_resourceSet = set; - -#ifdef DEBUG_RESOURCE_POLICY - qDebug() << Q_FUNC_INFO << set; -#endif - -#if QT_CONFIG(resourcepolicy) - QSet<ResourcePolicy::ResourceType> requestedTypes; - - switch (set) { - case NoResources: - break; - case LoadedResources: - requestedTypes << ResourcePolicy::LensCoverType //to detect lens cover is opened/closed - << ResourcePolicy::VideoRecorderType; //to open camera device - break; - case ImageCaptureResources: - requestedTypes << ResourcePolicy::LensCoverType - << ResourcePolicy::VideoPlaybackType - << ResourcePolicy::VideoRecorderType - << ResourcePolicy::LedsType; - break; - case VideoCaptureResources: - requestedTypes << ResourcePolicy::LensCoverType - << ResourcePolicy::VideoPlaybackType - << ResourcePolicy::VideoRecorderType - << ResourcePolicy::AudioPlaybackType - << ResourcePolicy::AudioRecorderType - << ResourcePolicy::LedsType; - break; - } - - QSet<ResourcePolicy::ResourceType> currentTypes; - const auto resources = m_resource->resources(); - currentTypes.reserve(resources.size()); - for (ResourcePolicy::Resource *resource : resources) - currentTypes << resource->type(); - - const auto diffCurrentWithRequested = currentTypes - requestedTypes; - for (ResourcePolicy::ResourceType resourceType : diffCurrentWithRequested) - m_resource->deleteResource(resourceType); - - const auto diffRequestedWithCurrent = requestedTypes - currentTypes; - for (ResourcePolicy::ResourceType resourceType : diffRequestedWithCurrent) { - if (resourceType == ResourcePolicy::LensCoverType) { - ResourcePolicy::LensCoverResource *lensCoverResource = new ResourcePolicy::LensCoverResource; - lensCoverResource->setOptional(true); - m_resource->addResourceObject(lensCoverResource); - } else if (resourceType == ResourcePolicy::AudioPlaybackType) { - ResourcePolicy::Resource *resource = new ResourcePolicy::AudioResource; - resource->setOptional(true); - m_resource->addResourceObject(resource); - } else if (resourceType == ResourcePolicy::AudioRecorderType) { - ResourcePolicy::Resource *resource = new ResourcePolicy::AudioRecorderResource; - resource->setOptional(true); - m_resource->addResourceObject(resource); - } else { - m_resource->addResource(resourceType); - } - } - - m_resource->update(); - if (set != NoResources) { - m_resource->acquire(); - } else { - if (oldSet != NoResources) { - m_releasingResources = true; - m_resource->release(); - } - } -#else - Q_UNUSED(oldSet); - updateCanCapture(); -#endif -} - -bool CamerabinResourcePolicy::isResourcesGranted() const -{ -#if QT_CONFIG(resourcepolicy) - const auto resources = m_resource->resources(); - for (ResourcePolicy::Resource *resource : resources) - if (!resource->isOptional() && !resource->isGranted()) - return false; -#endif - return true; -} - -void CamerabinResourcePolicy::handleResourcesLost() -{ - updateCanCapture(); - emit resourcesLost(); -} - -void CamerabinResourcePolicy::handleResourcesGranted() -{ - updateCanCapture(); - emit resourcesGranted(); -} - -void CamerabinResourcePolicy::handleResourcesReleased() -{ -#if QT_CONFIG(resourcepolicy) -#ifdef DEBUG_RESOURCE_POLICY - qDebug() << Q_FUNC_INFO; -#endif - m_releasingResources = false; -#endif - updateCanCapture(); -} - -void CamerabinResourcePolicy::resourcesAvailable() -{ -#if QT_CONFIG(resourcepolicy) - if (m_resourceSet != NoResources) { - m_resource->acquire(); - } -#endif -} - -bool CamerabinResourcePolicy::canCapture() const -{ - return m_canCapture; -} - -void CamerabinResourcePolicy::updateCanCapture() -{ - const bool wasAbleToRecord = m_canCapture; - m_canCapture = (m_resourceSet == VideoCaptureResources) || (m_resourceSet == ImageCaptureResources); -#if QT_CONFIG(resourcepolicy) - const auto resources = m_resource->resources(); - for (ResourcePolicy::Resource *resource : resources) { - if (resource->type() != ResourcePolicy::LensCoverType) - m_canCapture = m_canCapture && resource->isGranted(); - } -#endif - if (wasAbleToRecord != m_canCapture) - emit canCaptureChanged(); -} - -QT_END_NAMESPACE |