mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-12 00:50:40 +00:00
72 lines
2.3 KiB
C++
72 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set sw=2 ts=8 et ft=cpp : */
|
|
/* Copyright 2012 Mozilla Foundation and Mozilla contributors
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef OrientationObserver_h
|
|
#define OrientationObserver_h
|
|
|
|
#include "mozilla/Observer.h"
|
|
#include "mozilla/dom/ScreenOrientation.h"
|
|
#include "mozilla/UniquePtr.h"
|
|
|
|
namespace mozilla {
|
|
class ProcessOrientation;
|
|
namespace hal {
|
|
class SensorData;
|
|
typedef mozilla::Observer<SensorData> ISensorObserver;
|
|
} // namespace hal
|
|
} // namespace mozilla
|
|
|
|
using mozilla::hal::ISensorObserver;
|
|
using mozilla::hal::SensorData;
|
|
using mozilla::dom::ScreenOrientation;
|
|
|
|
class OrientationObserver : public ISensorObserver {
|
|
public:
|
|
OrientationObserver();
|
|
~OrientationObserver();
|
|
|
|
// Call DisableAutoOrientation on the existing OrientatiOnobserver singleton,
|
|
// if it exists. If no OrientationObserver exists, do nothing.
|
|
static void ShutDown();
|
|
|
|
// Notification from sensor.
|
|
void Notify(const SensorData& aSensorData);
|
|
|
|
// Methods to enable/disable automatic orientation.
|
|
void EnableAutoOrientation();
|
|
void DisableAutoOrientation();
|
|
|
|
// Methods called by methods in hal_impl namespace.
|
|
bool LockScreenOrientation(ScreenOrientation aOrientation);
|
|
void UnlockScreenOrientation();
|
|
|
|
static OrientationObserver* GetInstance();
|
|
|
|
private:
|
|
bool mAutoOrientationEnabled;
|
|
uint32_t mAllowedOrientations;
|
|
mozilla::UniquePtr<mozilla::ProcessOrientation> mOrientation;
|
|
|
|
static const uint32_t sDefaultOrientations =
|
|
mozilla::dom::eScreenOrientation_PortraitPrimary |
|
|
mozilla::dom::eScreenOrientation_PortraitSecondary |
|
|
mozilla::dom::eScreenOrientation_LandscapePrimary |
|
|
mozilla::dom::eScreenOrientation_LandscapeSecondary;
|
|
};
|
|
|
|
#endif
|