widget/gonk/OrientationObserver.h@b8a032363ba2 (annotated)
widget/gonk/OrientationObserver.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* vim: set sw=2 ts=8 et ft=cpp : */ |
| michael@0 | 3 | /* Copyright 2012 Mozilla Foundation and Mozilla contributors |
| michael@0 | 4 | * |
| michael@0 | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| michael@0 | 6 | * you may not use this file except in compliance with the License. |
| michael@0 | 7 | * You may obtain a copy of the License at |
| michael@0 | 8 | * |
| michael@0 | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| michael@0 | 10 | * |
| michael@0 | 11 | * Unless required by applicable law or agreed to in writing, software |
| michael@0 | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| michael@0 | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| michael@0 | 14 | * See the License for the specific language governing permissions and |
| michael@0 | 15 | * limitations under the License. |
| michael@0 | 16 | */ |
| michael@0 | 17 | |
| michael@0 | 18 | #ifndef OrientationObserver_h |
| michael@0 | 19 | #define OrientationObserver_h |
| michael@0 | 20 | |
| michael@0 | 21 | #include "mozilla/Observer.h" |
| michael@0 | 22 | #include "mozilla/dom/ScreenOrientation.h" |
| michael@0 | 23 | #include "mozilla/Scoped.h" |
| michael@0 | 24 | |
| michael@0 | 25 | namespace mozilla { |
| michael@0 | 26 | class ProcessOrientation; |
| michael@0 | 27 | namespace hal { |
| michael@0 | 28 | class SensorData; |
| michael@0 | 29 | typedef mozilla::Observer<SensorData> ISensorObserver; |
| michael@0 | 30 | } // namespace hal |
| michael@0 | 31 | } // namespace mozilla |
| michael@0 | 32 | |
| michael@0 | 33 | using mozilla::hal::ISensorObserver; |
| michael@0 | 34 | using mozilla::hal::SensorData; |
| michael@0 | 35 | using mozilla::dom::ScreenOrientation; |
| michael@0 | 36 | |
| michael@0 | 37 | class OrientationObserver : public ISensorObserver { |
| michael@0 | 38 | public: |
| michael@0 | 39 | OrientationObserver(); |
| michael@0 | 40 | ~OrientationObserver(); |
| michael@0 | 41 | |
| michael@0 | 42 | // Call DisableAutoOrientation on the existing OrientatiOnobserver singleton, |
| michael@0 | 43 | // if it exists. If no OrientationObserver exists, do nothing. |
| michael@0 | 44 | static void ShutDown(); |
| michael@0 | 45 | |
| michael@0 | 46 | // Notification from sensor. |
| michael@0 | 47 | void Notify(const SensorData& aSensorData); |
| michael@0 | 48 | |
| michael@0 | 49 | // Methods to enable/disable automatic orientation. |
| michael@0 | 50 | void EnableAutoOrientation(); |
| michael@0 | 51 | void DisableAutoOrientation(); |
| michael@0 | 52 | |
| michael@0 | 53 | // Methods called by methods in hal_impl namespace. |
| michael@0 | 54 | bool LockScreenOrientation(ScreenOrientation aOrientation); |
| michael@0 | 55 | void UnlockScreenOrientation(); |
| michael@0 | 56 | |
| michael@0 | 57 | static OrientationObserver* GetInstance(); |
| michael@0 | 58 | |
| michael@0 | 59 | private: |
| michael@0 | 60 | bool mAutoOrientationEnabled; |
| michael@0 | 61 | uint32_t mAllowedOrientations; |
| michael@0 | 62 | mozilla::ScopedDeletePtr<mozilla::ProcessOrientation> mOrientation; |
| michael@0 | 63 | |
| michael@0 | 64 | static const uint32_t sDefaultOrientations = |
| michael@0 | 65 | mozilla::dom::eScreenOrientation_PortraitPrimary | |
| michael@0 | 66 | mozilla::dom::eScreenOrientation_PortraitSecondary | |
| michael@0 | 67 | mozilla::dom::eScreenOrientation_LandscapePrimary | |
| michael@0 | 68 | mozilla::dom::eScreenOrientation_LandscapeSecondary; |
| michael@0 | 69 | }; |
| michael@0 | 70 | |
| michael@0 | 71 | #endif |
