diff options
author | Tinja Paavoseppä <tinja.paavoseppa@qt.io> | 2023-12-08 18:08:07 +0200 |
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committer | Tinja Paavoseppä <tinja.paavoseppa@qt.io> | 2024-01-16 17:55:29 +0200 |
commit | 6102ee6dd8f3e6cee3e3bc7544329c5c4b7843f0 (patch) | |
tree | a2af6179cfbbd99936d268ea402f06e47a0c55f7 /src/android/jar/src/org/qtproject/qt/android/QtNative.java | |
parent | b13c610f50c714873987d8c4f30f50953ade9aba (diff) |
Android: Add possibility to listen for changes in app states
This is useful for example the embedded QML case, where we want to
make sure everything from Qt side is ready before we start to create
Qt windows.
Pick-to: 6.7
Change-Id: I8148405e35cc8ebb89110f05e07cef06f8ff3709
Reviewed-by: Assam Boudjelthia <assam.boudjelthia@qt.io>
Diffstat (limited to 'src/android/jar/src/org/qtproject/qt/android/QtNative.java')
-rw-r--r-- | src/android/jar/src/org/qtproject/qt/android/QtNative.java | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/android/jar/src/org/qtproject/qt/android/QtNative.java b/src/android/jar/src/org/qtproject/qt/android/QtNative.java index e4d3ce5b7b..96bac8b2dd 100644 --- a/src/android/jar/src/org/qtproject/qt/android/QtNative.java +++ b/src/android/jar/src/org/qtproject/qt/android/QtNative.java @@ -47,6 +47,8 @@ class QtNative private static ClassLoader m_classLoader = null; private static final Runnable runPendingCppRunnablesRunnable = QtNative::runPendingCppRunnables; + private static final ArrayList<AppStateDetailsListener> m_appStateListeners = new ArrayList<>(); + private static final Object m_appStateListenersLock = new Object(); @UsedFromNativeCode public static ClassLoader classLoader() @@ -193,6 +195,10 @@ class QtNative return m_qtThread; } + interface AppStateDetailsListener { + void onAppStateDetailsChanged(ApplicationStateDetails details); + } + // Keep in sync with src/corelib/global/qnamespace.h public static class ApplicationState { static final int ApplicationSuspended = 0x0; @@ -215,12 +221,14 @@ class QtNative public static void setStarted(boolean started) { m_stateDetails.isStarted = started; + notifyAppStateDetailsChanged(m_stateDetails); } @UsedFromNativeCode public static void notifyNativePluginIntegrationReady(boolean ready) { m_stateDetails.nativePluginIntegrationReady = ready; + notifyAppStateDetailsChanged(m_stateDetails); } public static void setApplicationState(int state) @@ -234,6 +242,27 @@ class QtNative } } updateApplicationState(state); + notifyAppStateDetailsChanged(m_stateDetails); + } + + static void registerAppStateListener(AppStateDetailsListener listener) { + synchronized (m_appStateListenersLock) { + if (!m_appStateListeners.contains(listener)) + m_appStateListeners.add(listener); + } + } + + static void unregisterAppStateListener(AppStateDetailsListener listener) { + synchronized (m_appStateListenersLock) { + m_appStateListeners.remove(listener); + } + } + + static void notifyAppStateDetailsChanged(ApplicationStateDetails details) { + synchronized (m_appStateListenersLock) { + for (AppStateDetailsListener listener : m_appStateListeners) + listener.onAppStateDetailsChanged(details); + } } // Post a runnable to Main (UI) Thread if the app is active, @@ -289,6 +318,7 @@ class QtNative m_qtThread.post(QtNative::startQtApplication); waitForServiceSetup(); m_stateDetails.isStarted = true; + notifyAppStateDetailsChanged(m_stateDetails); } } @@ -301,6 +331,7 @@ class QtNative if (isServiceValid()) m_service.get().stopSelf(); m_stateDetails.isStarted = false; + // Likely no use to call notifyAppStateDetailsChanged at this point since we are exiting }); } |