1 files changed, 490 insertions, 0 deletions
diff --git a/LibOVR/Src/Displays/OVR_OSX_FocusObserver.mm b/LibOVR/Src/Displays/OVR_OSX_FocusObserver.mm
new file mode 100644
index 0000000..69a3f4d
--- /dev/null
+++ b/LibOVR/Src/Displays/OVR_OSX_FocusObserver.mm
@@ -0,0 +1,490 @@
+/************************************************************************************
+
+
+
+Filename    :   OVR_OSX_FocusObserver.mm
+
+Content     :   Observer for app focus on OSX
+
+Created     :   August 5, 2014
+
+Authors     :   Jordan Tritell
+
+
+
+Copyright   :   Copyright 2014 Oculus VR, LLC All Rights reserved.
+
+
+
+Licensed under the Oculus VR Rift SDK License Version 3.2 (the "License");
+
+you may not use the Oculus VR Rift SDK except in compliance with the License,
+
+which is provided at the time of installation or download, or which
+
+otherwise accompanies this software in either electronic or hard copy form.
+
+
+
+You may obtain a copy of the License at
+
+
+
+http://www.oculusvr.com/licenses/LICENSE-3.2
+
+
+
+Unless required by applicable law or agreed to in writing, the Oculus VR SDK
+
+distributed under the License is distributed on an "AS IS" BASIS,
+
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+
+See the License for the specific language governing permissions and
+
+limitations under the License.
+
+
+
+*************************************************************************************/
+
+
+
+OVR_PRIVATE_FILE
+
+
+
+#include "OVR_OSX_FocusObserver.h"
+
+
+
+#include "../Service/Service_NetServer.h"
+
+#include "OVR_DisplayEnumerator.h"
+
+
+
+#include <Cocoa/Cocoa.h>
+
+
+
+OVR_DEFINE_SINGLETON(OVR::OSX::AppFocusObserver);
+
+
+
+extern bool ServiceRunningFlag;
+
+
+
+@interface FocusNotifier : NSObject <NSApplicationDelegate>{
+
+    NSWindow *window;
+
+}
+
+
+
+- (void)start;
+
+
+
+@property (assign) IBOutlet NSWindow *window;
+
+
+
+@end
+
+
+
+
+
+@implementation FocusNotifier
+
+
+
+@synthesize window;
+
+
+
+- (void) addActivationObserver
+
+{
+
+    //subscribe to focus notifications from the workspace
+
+	[[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self
+
+                                                           selector:@selector(activated:)
+
+                                                               name:NSWorkspaceDidActivateApplicationNotification
+
+                                                             object:nil];
+
+    
+
+    //subscribe to termination notifications from the workspace
+
+	[[[NSWorkspace sharedWorkspace] notificationCenter] addObserver:self
+
+                                                           selector:@selector(terminated:)
+
+                                                               name:NSWorkspaceDidTerminateApplicationNotification
+
+                                                             object:nil];
+
+}
+
+
+
+-(void) activated:(NSNotification *)notification
+
+{
+
+    NSRunningApplication *app = [[notification userInfo] objectForKey:@"NSWorkspaceApplicationKey"];
+
+    pid_t pid = [app processIdentifier];
+
+    OVR::OSX::AppFocusObserver::GetInstance()->OnProcessFocus(pid);
+
+    //    NSLog(@"Activated: %@", [activatedApp bundleIdentifier]);
+
+}
+
+
+
+-(void) terminated:(NSNotification *)notification
+
+{
+
+    NSRunningApplication *app = [[notification userInfo] objectForKey:@"NSWorkspaceApplicationKey"];
+
+    pid_t pid = [app processIdentifier];
+
+    OVR::OSX::AppFocusObserver::GetInstance()->RemoveProcess(pid);
+
+    //    NSLog(@"Activated: %@", [activatedApp bundleIdentifier]);
+
+}
+
+
+
+- (void)start
+
+{
+
+    //initialize with relevant variables
+
+    [self addActivationObserver];
+
+}
+
+
+
+@end
+
+
+
+
+
+namespace OVR { namespace OSX{
+
+
+
+struct FocusNotifierImpl
+
+{
+
+    FocusNotifier* wrapped;
+
+};
+
+    
+
+AppFocusObserver::AppFocusObserver():
+
+    impl(new FocusNotifierImpl),
+
+    listener(NULL)
+
+{
+
+    //initialize with correct values
+
+    impl->wrapped = [[FocusNotifier alloc] init];
+
+    [impl->wrapped start];
+
+    ActiveProcessId = 0;
+
+}
+
+
+
+AppFocusObserver::~AppFocusObserver()
+
+{
+
+    [impl->wrapped dealloc];
+
+    delete impl;
+
+}
+
+
+
+void AppFocusObserver::SetListener(Service::NetServerListener *_listener)
+
+{
+
+    listener = _listener;
+
+}
+
+
+
+void AppFocusObserver::OnSystemDestroy()
+
+{
+
+}
+
+
+
+void AppFocusObserver::OnProcessFocus(pid_t pid)
+
+{
+
+    // If the process changed,
+
+    if (pid != LastProcessId)
+
+    {
+
+        LastProcessId = pid;
+
+        
+
+        Lock::Locker locker(&ListLock);
+
+        
+
+        // Find the process id in the list
+
+        const int count = AppList.GetSizeI();
+
+        for (int i = 0; i < count; ++i)
+
+        {
+
+            // If it is a rift process,
+
+            if (AppList[i] == pid)
+
+            {
+
+                onAppFocus(pid);
+
+                OVR_DEBUG_LOG(("[AppFocusObserver] Oculus Process getting focus: pid=%d", pid));
+
+                return;
+
+           }
+
+        }
+
+        
+
+        OVR_DEBUG_LOG(("[AppFocusObserver] Focus change: %d (non-Oculus process)", pid));
+
+    }
+
+}
+
+
+
+void AppFocusObserver::AddProcess(pid_t pid)
+
+{
+
+    Lock::Locker locker(&ListLock);
+
+    
+
+    // If it already exists in the array,
+
+    const int count = AppList.GetSizeI();
+
+    for (int i = 0; i < count; ++i)
+
+    {
+
+        // If we found it,
+
+        if (AppList[i] == pid)
+
+        {
+
+            return;
+
+        }
+
+    }
+
+    
+
+    // If the process being added is already in focus,
+
+    if (pid == LastProcessId)
+
+    {
+
+        // Set the active process
+
+        OVR_DEBUG_LOG(("[AppFocusObserver] AddProcess: Recognizing the newly added process as in-focus pid=%d", pid));
+
+    }
+
+    
+
+    // Add it to the list
+
+    AppList.PushBack(pid);
+
+}
+
+
+
+void AppFocusObserver::nextProcess()
+
+{
+
+    Lock::Locker locker(&ListLock);
+
+    
+
+    int count = AppList.GetSizeI();
+
+    
+
+    // Pick the next available rift process
+
+    if (count > 0)
+
+    {
+
+        ActiveProcessId = AppList[0];
+
+        OVR_DEBUG_LOG(("[AppFocusObserver] NextProcess: Switching active rift process to pid=%d", ActiveProcessId));
+
+        onAppFocus(ActiveProcessId);
+
+        return;
+
+    }
+
+    
+
+    // No process to use
+
+    onAppFocus(ActiveProcessId);
+
+    OVR_DEBUG_LOG(("[AppFocusObserver] NextProcess: No remaining rift processes"));
+
+}
+
+
+
+
+
+void AppFocusObserver::onAppFocus(pid_t pid)
+
+{
+
+    // Note: This is not necessarily the same as the FocusState->ActiveProcessId.
+
+    
+
+    ActiveProcessId = pid;
+
+    
+
+    if (ActiveProcessId == 0) return;
+
+    
+
+    if (pid != LastAppFocus)
+
+    {
+
+        LastAppFocus = pid;
+
+        if(listener){
+
+            listener->onFocusChange(pid);
+
+        }
+
+//        FocusSubject->Call(pid);
+
+    }
+
+}
+
+
+
+void AppFocusObserver::RemoveProcess(pid_t pid)
+
+{
+
+    Lock::Locker locker(&ListLock);
+
+    
+
+    // Find the pid in the app list:
+
+    const int count = AppList.GetSizeI();
+
+    for (int i = 0; i < count; ++i)
+
+    {
+
+        // If the app was found,
+
+        if (AppList[i] == pid)
+
+        {            
+
+            // Remove from list here
+
+            AppList.RemoveAtUnordered(i);
+
+            
+
+            // If the removed process is the active one,
+
+            if (ActiveProcessId == pid)
+
+            {
+
+                OVR_DEBUG_LOG(("[AppFocusObserver] RemoveProcess: Active process going away"));
+
+                // Find a new active process
+
+                nextProcess();
+
+            }
+
+            
+
+            break;
+
+        }
+
+    }
+
+}
+
+}} //namespace OVR::OSX
+
+
+