The Tor Browser / file comparison
comparison: widget/gonk/OrientationObserver.h
widget/gonk/OrientationObserver.h
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| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* vim: set sw=2 ts=8 et ft=cpp : */ | |
| 3 /* Copyright 2012 Mozilla Foundation and Mozilla contributors | |
| 4 * | |
| 5 * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 * you may not use this file except in compliance with the License. | |
| 7 * You may obtain a copy of the License at | |
| 8 * | |
| 9 * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 * | |
| 11 * Unless required by applicable law or agreed to in writing, software | |
| 12 * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 * See the License for the specific language governing permissions and | |
| 15 * limitations under the License. | |
| 16 */ | |
| 17 | |
| 18 #ifndef OrientationObserver_h | |
| 19 #define OrientationObserver_h | |
| 20 | |
| 21 #include "mozilla/Observer.h" | |
| 22 #include "mozilla/dom/ScreenOrientation.h" | |
| 23 #include "mozilla/Scoped.h" | |
| 24 | |
| 25 namespace mozilla { | |
| 26 class ProcessOrientation; | |
| 27 namespace hal { | |
| 28 class SensorData; | |
| 29 typedef mozilla::Observer<SensorData> ISensorObserver; | |
| 30 } // namespace hal | |
| 31 } // namespace mozilla | |
| 32 | |
| 33 using mozilla::hal::ISensorObserver; | |
| 34 using mozilla::hal::SensorData; | |
| 35 using mozilla::dom::ScreenOrientation; | |
| 36 | |
| 37 class OrientationObserver : public ISensorObserver { | |
| 38 public: | |
| 39 OrientationObserver(); | |
| 40 ~OrientationObserver(); | |
| 41 | |
| 42 // Call DisableAutoOrientation on the existing OrientatiOnobserver singleton, | |
| 43 // if it exists. If no OrientationObserver exists, do nothing. | |
| 44 static void ShutDown(); | |
| 45 | |
| 46 // Notification from sensor. | |
| 47 void Notify(const SensorData& aSensorData); | |
| 48 | |
| 49 // Methods to enable/disable automatic orientation. | |
| 50 void EnableAutoOrientation(); | |
| 51 void DisableAutoOrientation(); | |
| 52 | |
| 53 // Methods called by methods in hal_impl namespace. | |
| 54 bool LockScreenOrientation(ScreenOrientation aOrientation); | |
| 55 void UnlockScreenOrientation(); | |
| 56 | |
| 57 static OrientationObserver* GetInstance(); | |
| 58 | |
| 59 private: | |
| 60 bool mAutoOrientationEnabled; | |
| 61 uint32_t mAllowedOrientations; | |
| 62 mozilla::ScopedDeletePtr<mozilla::ProcessOrientation> mOrientation; | |
| 63 | |
| 64 static const uint32_t sDefaultOrientations = | |
| 65 mozilla::dom::eScreenOrientation_PortraitPrimary | | |
| 66 mozilla::dom::eScreenOrientation_PortraitSecondary | | |
| 67 mozilla::dom::eScreenOrientation_LandscapePrimary | | |
| 68 mozilla::dom::eScreenOrientation_LandscapeSecondary; | |
| 69 }; | |
| 70 | |
| 71 #endif |
