diff options
Diffstat (limited to 'src/plugins/platforms/ios/qiosapplicationstate.mm')
-rw-r--r-- | src/plugins/platforms/ios/qiosapplicationstate.mm | 110 |
1 files changed, 52 insertions, 58 deletions
diff --git a/src/plugins/platforms/ios/qiosapplicationstate.mm b/src/plugins/platforms/ios/qiosapplicationstate.mm index 7c8e1f9927..fed09999b5 100644 --- a/src/plugins/platforms/ios/qiosapplicationstate.mm +++ b/src/plugins/platforms/ios/qiosapplicationstate.mm @@ -40,82 +40,76 @@ #include "qiosapplicationstate.h" #include "qiosglobal.h" +#include "qiosintegration.h" #include <qpa/qwindowsysteminterface.h> #include <QtCore/qcoreapplication.h> #include <QtGui/private/qguiapplication_p.h> -#import <UIKit/UIKit.h> +QT_BEGIN_NAMESPACE -static Qt::ApplicationState qtApplicationState(UIApplicationState uiApplicationState) +static void qRegisterApplicationStateNotifications() { - switch (uiApplicationState) { - case UIApplicationStateActive: - // The application is visible in front, and receiving events - return Qt::ApplicationActive; - case UIApplicationStateInactive: - // The app is running in the foreground but is not receiving events. This - // typically happens while transitioning to/from active/background, like - // upon app launch or when receiving incoming calls. - return Qt::ApplicationInactive; - case UIApplicationStateBackground: - // Normally the app would enter this state briefly before it gets - // suspeded (you have five seconds, according to Apple). - // You can request more time and start a background task, which would - // normally map closer to Qt::ApplicationHidden. But since we have no - // API for doing that yet, we handle this state as "about to be suspended". - // Note: A screen-shot for the SpringBoard will also be taken after this - // call returns. - return Qt::ApplicationSuspended; + NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter]; + NSOperationQueue *mainQueue = [NSOperationQueue mainQueue]; + + // Map between notifications and corresponding application state. Note that + // there's no separate notification for moving to UIApplicationStateInactive, + // so we use UIApplicationWillResignActiveNotification as an intermediate. + static QMap<NSNotificationName, UIApplicationState> notifications { + { UIApplicationDidBecomeActiveNotification, UIApplicationStateActive }, + { UIApplicationWillResignActiveNotification, UIApplicationStateInactive }, + { UIApplicationDidEnterBackgroundNotification, UIApplicationStateBackground }, + }; + + for (auto i = notifications.constBegin(); i != notifications.constEnd(); ++i) { + [notificationCenter addObserverForName:i.key() object:nil queue:mainQueue + usingBlock:^void(NSNotification *notification) { + NSRange nameRange = NSMakeRange(2, notification.name.length - 14); + QString reason = QString::fromNSString([notification.name substringWithRange:nameRange]); + QIOSApplicationState::handleApplicationStateChanged(i.value(), reason); + }]; } -} -static void handleApplicationStateChanged(UIApplicationState uiApplicationState) -{ - Qt::ApplicationState state = qtApplicationState(uiApplicationState); - qCDebug(lcQpaApplication) << "moved to" << state; - QWindowSystemInterface::handleApplicationStateChanged(state); + // Initialize correct startup state, which may not be the Qt default (inactive) + UIApplicationState startupState = [UIApplication sharedApplication].applicationState; + QIOSApplicationState::handleApplicationStateChanged(startupState, QLatin1String("Application loaded")); } - -QT_BEGIN_NAMESPACE +Q_CONSTRUCTOR_FUNCTION(qRegisterApplicationStateNotifications) QIOSApplicationState::QIOSApplicationState() { - NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter]; - - m_observers.push_back([notificationCenter addObserverForName:UIApplicationDidBecomeActiveNotification - object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *) { - handleApplicationStateChanged(UIApplicationStateActive); - } - ]); - - m_observers.push_back([notificationCenter addObserverForName:UIApplicationWillResignActiveNotification - object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *) { - // Note: UIApplication is still UIApplicationStateActive at this point, - // but since there is no separate notification for the inactive state, - // we report UIApplicationStateInactive now. - handleApplicationStateChanged(UIApplicationStateInactive); - } - ]); - - m_observers.push_back([notificationCenter addObserverForName:UIApplicationDidEnterBackgroundNotification - object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *) { - handleApplicationStateChanged(UIApplicationStateBackground); - } - ]); - - // Initialize correct startup state, which may not be the Qt default (inactive) UIApplicationState startupState = [UIApplication sharedApplication].applicationState; - QGuiApplicationPrivate::applicationState = qtApplicationState(startupState); + QIOSApplicationState::handleApplicationStateChanged(startupState, QLatin1String("Application launched")); } -QIOSApplicationState::~QIOSApplicationState() +void QIOSApplicationState::handleApplicationStateChanged(UIApplicationState uiState, const QString &reason) { - NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter]; - foreach (const NSObject* observer, m_observers) - [notificationCenter removeObserver:observer]; + Qt::ApplicationState state = toQtApplicationState(uiState); + qCDebug(lcQpaApplication) << qPrintable(reason) + << "- moving from" << QGuiApplication::applicationState() << "to" << state; + + if (QIOSIntegration *integration = QIOSIntegration::instance()) { + emit integration->applicationState.applicationStateWillChange(state); + QWindowSystemInterface::handleApplicationStateChanged(state); + emit integration->applicationState.applicationStateDidChange(state); + qCDebug(lcQpaApplication) << "done moving to" << state; + } else { + qCDebug(lcQpaApplication) << "no platform integration yet, setting state directly"; + QGuiApplicationPrivate::applicationState = state; + } } -QT_END_NAMESPACE +Qt::ApplicationState QIOSApplicationState::toQtApplicationState(UIApplicationState state) +{ + switch (state) { + case UIApplicationStateActive: return Qt::ApplicationActive; + case UIApplicationStateInactive: return Qt::ApplicationInactive; + case UIApplicationStateBackground: return Qt::ApplicationSuspended; + } +} +#include "moc_qiosapplicationstate.cpp" + +QT_END_NAMESPACE |