void DesktopConnector::setState(const QString& path, const QString & newValue)
{
// find the path
auto it = m_state.find( path);
// if we cannot find it, insert it, together with the new value, and emit a change
if( it == m_state.end()) {
m_state[path] = newValue;
emit stateChangedSignal( path, newValue);
return;
}
// if we did find it, but the value is different, set it to new value and emit signal
if( it-> second != newValue) {
it-> second = newValue;
emit stateChangedSignal( path, newValue);
}
// otherwise there was no change to state, so do dothing
}
void tst_QCameraBackend::testCameraStates()
{
QCamera camera;
QCameraImageCapture imageCapture(&camera);
QSignalSpy errorSignal(&camera, SIGNAL(error(QCamera::Error)));
QSignalSpy stateChangedSignal(&camera, SIGNAL(stateChanged(QCamera::State)));
QSignalSpy statusChangedSignal(&camera, SIGNAL(statusChanged(QCamera::Status)));
QCOMPARE(camera.state(), QCamera::UnloadedState);
QCOMPARE(camera.status(), QCamera::UnloadedStatus);
camera.load();
QCOMPARE(camera.state(), QCamera::LoadedState);
QCOMPARE(stateChangedSignal.count(), 1);
QCOMPARE(stateChangedSignal.last().first().value<QCamera::State>(), QCamera::LoadedState);
QVERIFY(stateChangedSignal.count() > 0);
QTRY_COMPARE(camera.status(), QCamera::LoadedStatus);
QCOMPARE(statusChangedSignal.last().first().value<QCamera::Status>(), QCamera::LoadedStatus);
camera.unload();
QCOMPARE(camera.state(), QCamera::UnloadedState);
QCOMPARE(stateChangedSignal.last().first().value<QCamera::State>(), QCamera::UnloadedState);
QTRY_COMPARE(camera.status(), QCamera::UnloadedStatus);
QCOMPARE(statusChangedSignal.last().first().value<QCamera::Status>(), QCamera::UnloadedStatus);
#ifdef Q_WS_MAEMO_6
//resource policy doesn't work correctly when resource is released and immediately requested again.
QTest::qWait(250);
#endif
camera.start();
QCOMPARE(camera.state(), QCamera::ActiveState);
QCOMPARE(stateChangedSignal.last().first().value<QCamera::State>(), QCamera::ActiveState);
QTRY_COMPARE(camera.status(), QCamera::ActiveStatus);
QCOMPARE(statusChangedSignal.last().first().value<QCamera::Status>(), QCamera::ActiveStatus);
camera.stop();
QCOMPARE(camera.state(), QCamera::LoadedState);
QCOMPARE(stateChangedSignal.last().first().value<QCamera::State>(), QCamera::LoadedState);
QTRY_COMPARE(camera.status(), QCamera::LoadedStatus);
QCOMPARE(statusChangedSignal.last().first().value<QCamera::Status>(), QCamera::LoadedStatus);
camera.unload();
QCOMPARE(camera.state(), QCamera::UnloadedState);
QCOMPARE(stateChangedSignal.last().first().value<QCamera::State>(), QCamera::UnloadedState);
QTRY_COMPARE(camera.status(), QCamera::UnloadedStatus);
QCOMPARE(statusChangedSignal.last().first().value<QCamera::Status>(), QCamera::UnloadedStatus);
QCOMPARE(camera.errorString(), QString());
QCOMPARE(errorSignal.count(), 0);
}
void VideoStateMachine::eventTriger(Event event)
{
if (sm.acceptEvent(event) == StateMachine::Changed) {
emit stateChangedSignal(static_cast<VideoState*>(sm.getCurrentState()));
}
}
void tst_QCameraBackend::testCaptureMode()
{
QCamera camera;
QSignalSpy errorSignal(&camera, SIGNAL(error(QCamera::Error)));
QSignalSpy stateChangedSignal(&camera, SIGNAL(stateChanged(QCamera::State)));
QSignalSpy captureModeSignal(&camera, SIGNAL(captureModeChanged(QCamera::CaptureModes)));
QCOMPARE(camera.captureMode(), QCamera::CaptureStillImage);
if (!camera.isCaptureModeSupported(QCamera::CaptureVideo)) {
camera.setCaptureMode(QCamera::CaptureVideo);
QCOMPARE(camera.captureMode(), QCamera::CaptureStillImage);
QSKIP("Video capture not supported");
}
camera.setCaptureMode(QCamera::CaptureVideo);
QCOMPARE(camera.captureMode(), QCamera::CaptureVideo);
QTRY_COMPARE(captureModeSignal.size(), 1);
QCOMPARE(captureModeSignal.last().first().value<QCamera::CaptureModes>(), QCamera::CaptureVideo);
captureModeSignal.clear();
camera.load();
QTRY_COMPARE(camera.status(), QCamera::LoadedStatus);
//capture mode should still be video
QCOMPARE(camera.captureMode(), QCamera::CaptureVideo);
//it should be possible to switch capture mode in Loaded state
camera.setCaptureMode(QCamera::CaptureStillImage);
QTRY_COMPARE(captureModeSignal.size(), 1);
QCOMPARE(captureModeSignal.last().first().value<QCamera::CaptureModes>(), QCamera::CaptureStillImage);
captureModeSignal.clear();
camera.setCaptureMode(QCamera::CaptureVideo);
QTRY_COMPARE(captureModeSignal.size(), 1);
QCOMPARE(captureModeSignal.last().first().value<QCamera::CaptureModes>(), QCamera::CaptureVideo);
captureModeSignal.clear();
camera.start();
QTRY_COMPARE(camera.status(), QCamera::ActiveStatus);
//capture mode should still be video
QCOMPARE(camera.captureMode(), QCamera::CaptureVideo);
stateChangedSignal.clear();
//it should be possible to switch capture mode in Active state
camera.setCaptureMode(QCamera::CaptureStillImage);
//camera may leave Active status, but should return to Active
QTest::qWait(10); //camera may leave Active status async
QTRY_COMPARE(camera.status(), QCamera::ActiveStatus);
QCOMPARE(camera.captureMode(), QCamera::CaptureStillImage);
QVERIFY2(stateChangedSignal.isEmpty(), "camera should not change the state during capture mode changes");
QCOMPARE(captureModeSignal.size(), 1);
QCOMPARE(captureModeSignal.last().first().value<QCamera::CaptureModes>(), QCamera::CaptureStillImage);
captureModeSignal.clear();
camera.setCaptureMode(QCamera::CaptureVideo);
//camera may leave Active status, but should return to Active
QTest::qWait(10); //camera may leave Active status async
QTRY_COMPARE(camera.status(), QCamera::ActiveStatus);
QCOMPARE(camera.captureMode(), QCamera::CaptureVideo);
QVERIFY2(stateChangedSignal.isEmpty(), "camera should not change the state during capture mode changes");
QCOMPARE(captureModeSignal.size(), 1);
QCOMPARE(captureModeSignal.last().first().value<QCamera::CaptureModes>(), QCamera::CaptureVideo);
captureModeSignal.clear();
camera.stop();
QCOMPARE(camera.captureMode(), QCamera::CaptureVideo);
camera.unload();
QCOMPARE(camera.captureMode(), QCamera::CaptureVideo);
QVERIFY2(errorSignal.isEmpty(), QString("Camera error: %1").arg(camera.errorString()).toLocal8Bit());
}