CardboardAppController.mm
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// Copyright 2015 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// 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.
#import "CardboardAppController.h"
extern "C" {
extern void VRBackButtonPressed();
extern void cardboardPause(bool paused);
extern void createUiLayer(id app, UIView* view);
extern UIViewController *createSettingsDialog(id app);
extern UIViewController *createOnboardingDialog(id app);
bool isOpenGLAPI() {
#if UNITY_VERSION < 463
return true;
#else
CardboardAppController *app = (CardboardAppController *)GetAppController();
UnityRenderingAPI api = [app renderingAPI];
return api == apiOpenGLES2 || api == apiOpenGLES3;
#endif
}
void launchSettingsDialog() {
CardboardAppController *app = (CardboardAppController *)GetAppController();
[app launchSettingsDialog];
}
// Prevent launching onboarding twice due to focus change when iOS asks
// user for permission to use camera.
static bool isOnboarding = false;
void launchOnboardingDialog() {
if (isOnboarding) {
return;
}
isOnboarding = true;
CardboardAppController *app = (CardboardAppController *)GetAppController();
[app startSettingsDialog:createOnboardingDialog(app)];
}
void endSettingsDialog() {
CardboardAppController *app = (CardboardAppController *)GetAppController();
[app stopSettingsDialog];
isOnboarding = false;
}
float getScreenDPI() {
return ([[UIScreen mainScreen] scale] > 2.0f) ? 401.0f : 326.0f;
}
void finishActivityAndReturn() {
CardboardAppController *app = (CardboardAppController *)GetAppController();
[app finishActivityAndReturn];
}
} // extern "C"
@implementation CardboardAppController
- (UnityView *)createUnityView {
UnityView* unity_view = [super createUnityView];
createUiLayer(self, (UIView *)unity_view);
return unity_view;
}
- (void)launchSettingsDialog {
[self startSettingsDialog:createSettingsDialog(self)];
}
- (void)startSettingsDialog:(UIViewController*)dialog {
[self pause:YES];
[self.rootViewController presentViewController:dialog animated:NO completion:nil];
}
- (void)stopSettingsDialog {
[[self rootViewController] dismissViewControllerAnimated:NO completion:nil];
[self pause:NO];
}
- (void)vrBackButtonPressed {
VRBackButtonPressed();
}
- (void)pause:(bool)paused {
#if UNITY_VERSION < 462
UnityPause(paused);
#else
self.paused = paused;
#endif
cardboardPause(paused);
}
- (void)finishActivityAndReturn {
}
@end
IMPL_APP_CONTROLLER_SUBCLASS(CardboardAppController)