From 5656e6969f10f86abd1b62c2a6c88a25fae03a52 Mon Sep 17 00:00:00 2001 From: Richard Moe Gustavsen Date: Fri, 14 Jun 2013 12:53:46 +0200 Subject: iOS: add support for Qt::ApplicationStates MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Change-Id: I39858fe835c131d5c681db535f2ec9308e2f8223 Reviewed-by: Tor Arne Vestbø --- src/plugins/platforms/ios/ios.pro | 2 + src/plugins/platforms/ios/qiosapplicationstate.h | 60 ++++++++ src/plugins/platforms/ios/qiosapplicationstate.mm | 162 ++++++++++++++++++++++ src/plugins/platforms/ios/qiosintegration.h | 3 + src/plugins/platforms/ios/qiosintegration.mm | 2 + 5 files changed, 229 insertions(+) create mode 100644 src/plugins/platforms/ios/qiosapplicationstate.h create mode 100644 src/plugins/platforms/ios/qiosapplicationstate.mm (limited to 'src/plugins/platforms/ios') diff --git a/src/plugins/platforms/ios/ios.pro b/src/plugins/platforms/ios/ios.pro index f485191c2b..9b957afd8c 100644 --- a/src/plugins/platforms/ios/ios.pro +++ b/src/plugins/platforms/ios/ios.pro @@ -15,6 +15,7 @@ OBJECTIVE_SOURCES = \ qiosscreen.mm \ qiosbackingstore.mm \ qiosapplicationdelegate.mm \ + qiosapplicationstate.mm \ qiosviewcontroller.mm \ qioscontext.mm \ qiosinputcontext.mm \ @@ -27,6 +28,7 @@ HEADERS = \ qiosscreen.h \ qiosbackingstore.h \ qiosapplicationdelegate.h \ + qiosapplicationstate.h \ qiosviewcontroller.h \ qioscontext.h \ qiosinputcontext.h \ diff --git a/src/plugins/platforms/ios/qiosapplicationstate.h b/src/plugins/platforms/ios/qiosapplicationstate.h new file mode 100644 index 0000000000..e726ad895e --- /dev/null +++ b/src/plugins/platforms/ios/qiosapplicationstate.h @@ -0,0 +1,60 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QIOSAPPLICATIONSTATE_H +#define QIOSAPPLICATIONSTATE_H + +QT_BEGIN_NAMESPACE + +@class QIOSApplicationStateListener; + +class QIOSApplicationState +{ +public: + QIOSApplicationState(); + ~QIOSApplicationState(); +private: + QIOSApplicationStateListener *m_listener; +}; + +QT_END_NAMESPACE + +#endif diff --git a/src/plugins/platforms/ios/qiosapplicationstate.mm b/src/plugins/platforms/ios/qiosapplicationstate.mm new file mode 100644 index 0000000000..df64edf465 --- /dev/null +++ b/src/plugins/platforms/ios/qiosapplicationstate.mm @@ -0,0 +1,162 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the plugins 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/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 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#import + +#include +#include "qiosapplicationstate.h" + +@interface QIOSApplicationStateListener : NSObject +@end + +@implementation QIOSApplicationStateListener + +- (id) init +{ + self = [super init]; + if (self) { + // Listen for application state changes. + // Note: We use notifications rather than application delegate callbacks to + // also support hybrid applications were QIOSApplicationDelegate is not in use. + [[NSNotificationCenter defaultCenter] + addObserver:self + selector:@selector(applicationDidBecomeActive) + name:UIApplicationDidBecomeActiveNotification + object:nil]; + [[NSNotificationCenter defaultCenter] + addObserver:self + selector:@selector(applicationWillResignActive) + name:UIApplicationWillResignActiveNotification + object:nil]; + [[NSNotificationCenter defaultCenter] + addObserver:self + selector:@selector(applicationDidEnterBackground) + name:UIApplicationDidEnterBackgroundNotification + object:nil]; + } + return self; +} + +- (void) dealloc +{ + [[NSNotificationCenter defaultCenter] + removeObserver:self + name:UIApplicationDidBecomeActiveNotification + object:nil]; + [[NSNotificationCenter defaultCenter] + removeObserver:self + name:UIApplicationWillResignActiveNotification + object:nil]; + [[NSNotificationCenter defaultCenter] + removeObserver:self + name:UIApplicationDidEnterBackgroundNotification + object:nil]; + [super dealloc]; +} + +- (void) applicationDidBecomeActive +{ + [self handleApplicationStateChanged:UIApplicationStateActive]; +} + +- (void) applicationWillResignActive +{ + // Note that UIApplication is still UIApplicationStateActive at this + // point, but since there is no separate notification for the inactive + // state, we report UIApplicationStateInactive now: + [self handleApplicationStateChanged:UIApplicationStateInactive]; +} + +- (void) applicationDidEnterBackground +{ + [self handleApplicationStateChanged:UIApplicationStateBackground]; +} + +- (void) handleApplicationStateChanged:(UIApplicationState) uiApplicationState +{ + Qt::ApplicationState state; + switch (uiApplicationState) { + case UIApplicationStateActive: + // The application is visible in front, and receiving events: + state = Qt::ApplicationActive; + break; + 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: + state = Qt::ApplicationInactive; + break; + 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. + state = Qt::ApplicationSuspended; + break; + } + QWindowSystemInterface::handleApplicationStateChanged(state); +} + +@end + +QT_BEGIN_NAMESPACE + +QIOSApplicationState::QIOSApplicationState() + : m_listener([[QIOSApplicationStateListener alloc] init]) +{ + // Update the current state now, since we have missed all the updates + // posted from AppKit so far. But let QPA finish initialization first: + dispatch_async(dispatch_get_main_queue(), ^{ + UIApplicationState state = [UIApplication sharedApplication].applicationState; + [m_listener handleApplicationStateChanged:state]; + }); +} + +QIOSApplicationState::~QIOSApplicationState() +{ + [m_listener release]; +} + +QT_END_NAMESPACE + diff --git a/src/plugins/platforms/ios/qiosintegration.h b/src/plugins/platforms/ios/qiosintegration.h index c352e0f2d2..4aaf98f839 100644 --- a/src/plugins/platforms/ios/qiosintegration.h +++ b/src/plugins/platforms/ios/qiosintegration.h @@ -46,6 +46,8 @@ #include #include +#include "qiosapplicationstate.h" + QT_BEGIN_NAMESPACE class QIOSIntegration : public QPlatformIntegration, public QPlatformNativeInterface @@ -79,6 +81,7 @@ private: QPlatformInputContext *m_inputContext; QPlatformScreen *m_screen; QTouchDevice *m_touchDevice; + QIOSApplicationState m_applicationState; }; QT_END_NAMESPACE diff --git a/src/plugins/platforms/ios/qiosintegration.mm b/src/plugins/platforms/ios/qiosintegration.mm index c6d189abec..09063ac18f 100644 --- a/src/plugins/platforms/ios/qiosintegration.mm +++ b/src/plugins/platforms/ios/qiosintegration.mm @@ -90,6 +90,8 @@ bool QIOSIntegration::hasCapability(Capability cap) const return true; case MultipleWindows: return true; + case ApplicationState: + return true; default: return QPlatformIntegration::hasCapability(cap); } -- cgit v1.2.3