didEnterBackground/Foreground for ios

CHANGELOG.md

@@ -12,6 +12,7 @@ This changelog file was started on October 2019. Previous changes were more or l
     
 ### Added
 - RTP bundle mode feature according to https://tools.ietf.org/html/draft-ietf-mmusic-sdp-bundle-negotiation-54 .
+- EnterForeground and enterBackground automatically for ios and anroid.
 
 ### Changed
 - Big internal refactoring of how streams are managed within offer/answer exchanges.

src/CMakeLists.txt

@@ -30,9 +30,18 @@ set(LINK_LIBS
 if(ENABLE_ADVANCED_IM)
 	list(APPEND LIBS ${LIBXSD_LIBRARIES})
 endif()
+
+#APPLE_LIBS is mandatory for apple compilation
+if(APPLE)
+	list(APPEND APPLE_LIBS "-framework CFNetwork -framework Foundation -framework AVFoundation -framework SystemConfiguration -framework CoreLocation")
+	if(IOS)
+		list(APPEND APPLE_LIBS "-framework UIKit")
+	endif()
+endif()
+
 #interface_libs is used in export cmake config file
 if(APPLE)
-	list(APPEND INTERFACE_LIBS "-framework CFNetwork -framework Foundation -framework AVFoundation -framework SystemConfiguration -framework CoreLocation")
+	list(APPEND INTERFACE_LIBS ${APPLE_LIBS})
 endif()
 set(INTERFACE_LIBS ${LINK_LIBS} xml2 xsd)
 
@@ -458,6 +467,10 @@ if (APPLE)
 	list(APPEND LINPHONE_CXX_OBJECTS_PRIVATE_HEADER_FILES core/paths/paths-apple.h)
 	list(APPEND LINPHONE_OBJC_SOURCE_FILES core/platform-helpers/ios-platform-helpers.mm)
 	list(APPEND LINPHONE_OBJC_SOURCE_FILES core/shared-core-helpers/ios-shared-core-helpers.mm)
+	if (IOS)
+		list(APPEND LINPHONE_OBJC_SOURCE_FILES core/app/ios-app-delegate.h)
+		list(APPEND LINPHONE_OBJC_SOURCE_FILES core/app/ios-app-delegate.mm)
+	endif()
 elseif (ANDROID)
 	list(APPEND LINPHONE_CXX_OBJECTS_SOURCE_FILES core/paths/paths-android.cpp core/platform-helpers/android-platform-helpers.cpp)
 	list(APPEND LINPHONE_CXX_OBJECTS_PRIVATE_HEADER_FILES core/paths/paths-android.h)
@@ -528,7 +541,7 @@ if(ENABLE_STATIC)
 	target_link_libraries(linphone-static PRIVATE ${LINK_LIBS})
 
 	if(APPLE)
-		target_link_libraries(linphone-static PUBLIC "-framework Foundation" "-framework AVFoundation" "-framework SystemConfiguration -framework CFNetwork -framework CoreLocation")
+		target_link_libraries(linphone-static PUBLIC ${APPLE_LIBS})
 	endif()
 	install(TARGETS linphone-static EXPORT ${EXPORT_TARGETS_NAME}Targets
 		ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
@@ -598,7 +611,7 @@ if(ENABLE_SHARED)
 	target_link_libraries(linphone PRIVATE ${LINK_LIBS})
 
 	if(APPLE)
-		target_link_libraries(linphone PUBLIC "-framework Foundation" "-framework AVFoundation" "-framework SystemConfiguration -framework CFNetwork -framework CoreLocation")
+		target_link_libraries(linphone PUBLIC ${APPLE_LIBS})
 	endif()
 	if(WIN32)
 		# Export Xerces and Soci symbols.

src/core/app/ios-app-delegate.h

+/*
+* Copyright (c) 2010-2019 Belledonne Communications SARL.
+*
+* This file is part of Liblinphone.
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <UIKit/UIKit.h>
+#include "private.h"
+
+@interface IosAppDelegate : NSObject {
+	std::shared_ptr<LinphonePrivate::Core> pcore;
+}
+
+- (void)setCore:(std::shared_ptr<LinphonePrivate::Core>)core;
+
+@end

src/core/app/ios-app-delegate.mm

+/*
+* Copyright (c) 2010-2019 Belledonne Communications SARL.
+*
+* This file is part of Liblinphone.
+*
+* This program is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "ios-app-delegate.h"
+
+@implementation IosAppDelegate
+
+- (id)init {
+	self = [super init];
+	if (self != nil) {
+		[NSNotificationCenter.defaultCenter addObserver:self
+		selector:@selector(didEnterBackground:)
+			name:UIApplicationDidEnterBackgroundNotification
+		  object:nil];
+
+		[NSNotificationCenter.defaultCenter addObserver:self
+		selector:@selector(didEnterForeground:)
+			name:UIApplicationWillEnterForegroundNotification
+		  object:nil];
+	}
+	return self;
+}
+
+- (void)dealloc {
+	[super dealloc];
+	[NSNotificationCenter.defaultCenter removeObserver:self];
+}
+
+- (void)setCore:(std::shared_ptr<LinphonePrivate::Core>)core {
+	pcore = core;
+}
+
+- (void)didEnterBackground:(NSNotification *)notif {
+	ms_message("[Ios App] didEnterBackground");
+	pcore->enterBackground();
+}
+
+- (void)didEnterForeground:(NSNotification *)notif {
+	ms_message("[Ios App] didEnterForeground");
+	pcore->enterForeground();
+}
+
+@end

src/core/core.cpp

@@ -236,6 +236,14 @@ void CorePrivate::notifyEnteringBackground () {
 
 	if (isFriendListSubscriptionEnabled)
 		enableFriendListsSubscription(false);
+
+#if TARGET_OS_IPHONE
+	L_Q();
+	LinphoneCore *lc = L_GET_C_BACK_PTR(q);
+	// Stop the video preview
+	linphone_core_enable_video_preview(lc, FALSE);
+	linphone_core_stop_dtmf_stream(lc);
+#endif
 }
 
 void CorePrivate::notifyEnteringForeground () {
@@ -257,7 +265,15 @@ void CorePrivate::notifyEnteringForeground () {
 		listener->onEnteringForeground();
 
 	if (isFriendListSubscriptionEnabled)
-		enableFriendListsSubscription(true);	
+		enableFriendListsSubscription(true);
+
+#if TARGET_OS_IPHONE
+	linphone_core_start_dtmf_stream(lc);
+	/*start the video preview in case we are in the main view*/
+	if (linphone_core_video_display_enabled(lc) && linphone_config_get_bool(lc->config, "app", "preview_preference", 0)) {
+		linphone_core_enable_video_preview(lc, TRUE);
+	}
+#endif
 }
 
 belle_sip_main_loop_t *CorePrivate::getMainLoop(){

src/core/platform-helpers/ios-platform-helpers.mm

@@ -39,6 +39,7 @@
 // TODO: Remove me
 #include "private.h"
 
+#include "core/app/ios-app-delegate.h"
 // =============================================================================
 
 using namespace std;
@@ -48,7 +49,9 @@ LINPHONE_BEGIN_NAMESPACE
 class IosPlatformHelpers : public GenericPlatformHelpers {
 public:
 	IosPlatformHelpers (std::shared_ptr<LinphonePrivate::Core> core, void *systemContext);
-	~IosPlatformHelpers () = default;
+	~IosPlatformHelpers (){
+		[mAppDelegate dealloc];
+	}
 
 	void acquireWifiLock () override {}
 	void releaseWifiLock () override {}
@@ -106,6 +109,7 @@ private:
 	SCNetworkReachabilityFlags mCurrentFlags = 0;
 	bool mNetworkMonitoringEnabled = false;
 	static const string Framework;
+	IosAppDelegate *mAppDelegate;
 };
 
 static void sNetworkChangeCallback(CFNotificationCenterRef center, void *observer, CFStringRef name, const void *object, CFDictionaryRef userInfo);
@@ -120,6 +124,9 @@ IosPlatformHelpers::IosPlatformHelpers (std::shared_ptr<LinphonePrivate::Core> c
 	mNetworkReachable = 0; // wait until monitor to give a status;
 	mSharedCoreHelpers = createIosSharedCoreHelpers(core);
 
+	mAppDelegate = [[IosAppDelegate alloc] init];
+	[mAppDelegate setCore:core];
+
 	string cpimPath = getResourceDirPath(Framework, "cpim_grammar");
 	if (!cpimPath.empty())
 		belr::GrammarLoader::get().addPath(cpimPath);