2 * This file is part of CameraPlus.
4 * Copyright (C) 2012-2013 Mohammed Sameer <msameer@foolab.org>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
22 #include "qtcammode.h"
24 #include "qtcamdevice.h"
25 #include "previewprovider.h"
27 Mode::Mode(QObject *parent) :
32 m_previewEnabled(true) {
41 Camera *Mode::camera() {
45 void Mode::setCamera(Camera *camera) {
46 if (camera == m_cam) {
51 QObject::disconnect(m_cam, SIGNAL(prepareForDeviceChange()), this, SLOT(prepareForDeviceChange()));
52 QObject::disconnect(m_cam, SIGNAL(deviceChanged()), this, SLOT(deviceChanged()));
53 QObject::disconnect(m_cam, SIGNAL(deviceChanged()), this, SIGNAL(isReadyChanged()));
59 QObject::connect(m_cam, SIGNAL(prepareForDeviceChange()), this, SLOT(prepareForDeviceChange()));
60 QObject::connect(m_cam, SIGNAL(deviceChanged()), this, SLOT(deviceChanged()));
61 QObject::connect(m_cam, SIGNAL(deviceChanged()), this, SIGNAL(isReadyChanged()));
68 emit isReadyChanged();
71 bool Mode::isActive() {
72 return m_mode ? m_mode->isActive() : false;
75 bool Mode::canCapture() {
76 return m_mode ? m_mode->canCapture() : false;
79 void Mode::deviceChanged() {
80 if (!m_cam || !m_cam->device()) {
87 QObject::connect(m_mode, SIGNAL(canCaptureChanged()), this, SIGNAL(canCaptureChanged()));
88 QObject::connect(m_mode, SIGNAL(saved(const QString&)), this, SIGNAL(saved(const QString&)));
89 QObject::connect(m_mode, SIGNAL(previewAvailable(const QImage&, const QString&)),
90 this, SLOT(gotPreview(const QImage&, const QString&)));
91 QObject::connect(m_mode, SIGNAL(activeChanged()), this, SIGNAL(activeChanged()));
92 QObject::connect(m_mode, SIGNAL(activeChanged()), this, SIGNAL(canCaptureChanged()));
93 QObject::connect(m_cam->device(), SIGNAL(idleStateChanged(bool)),
94 this, SIGNAL(canCaptureChanged()));
95 QObject::connect(m_cam->device(), SIGNAL(runningStateChanged(bool)),
96 this, SIGNAL(canCaptureChanged()));
103 emit canCaptureChanged();
104 emit activeChanged();
107 void Mode::gotPreview(const QImage& image, const QString& fileName) {
108 PreviewProvider::instance()->setPreview(image);
110 // HACK: QML insists on caching the images.
111 QString url = QString("image://preview/%1").arg(m_seq);
114 emit previewAvailable(url, fileName);
117 bool Mode::isReady() const {
121 void Mode::prepareForDeviceChange() {
123 QObject::disconnect(m_mode, SIGNAL(canCaptureChanged()), this, SIGNAL(canCaptureChanged()));
124 QObject::disconnect(m_mode, SIGNAL(saved(const QString&)),
125 this, SIGNAL(saved(const QString&)));
126 QObject::disconnect(m_mode, SIGNAL(previewAvailable(const QImage&, const QString&)),
127 this, SLOT(gotPreview(const QImage&, const QString&)));
128 QObject::disconnect(m_mode, SIGNAL(activeChanged()), this, SIGNAL(activeChanged()));
129 QObject::disconnect(m_mode, SIGNAL(activeChanged()), this, SIGNAL(canCaptureChanged()));
130 QObject::disconnect(m_cam->device(), SIGNAL(idleStateChanged(bool)),
131 this, SIGNAL(canCaptureChanged()));
132 QObject::disconnect(m_cam->device(), SIGNAL(runningStateChanged(bool)),
133 this, SIGNAL(canCaptureChanged()));
139 bool Mode::isPreviewEnabled() {
140 return m_previewEnabled;
143 void Mode::setPreviewEnabled(bool enabled) {
144 if (enabled != m_previewEnabled) {
145 m_previewEnabled = enabled;
151 emit enablePreviewChanged();
155 void Mode::setPreviewState() {
156 if (m_previewEnabled) {
157 m_mode->enablePreview();
160 m_mode->disablePreview();