diff options
Diffstat (limited to 'LibOVR/Src/Displays/OVR_OSX_FocusObserver.mm')
| -rw-r--r-- | LibOVR/Src/Displays/OVR_OSX_FocusObserver.mm | 245 |
1 files changed, 245 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..3dd77a8 --- /dev/null +++ b/LibOVR/Src/Displays/OVR_OSX_FocusObserver.mm @@ -0,0 +1,245 @@ +/************************************************************************************
+
+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
+
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