зеркало из https://github.com/mozilla/gecko-dev.git
63 строки
1.9 KiB
C++
63 строки
1.9 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_ScreenOrientation_h
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#define mozilla_dom_ScreenOrientation_h
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namespace mozilla {
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namespace dom {
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// Make sure that any change here is also made in
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// * mobile/android/base/GeckoScreenOrientationListener.java
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// * embedding/android/GeckoScreenOrientationListener.java
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enum ScreenOrientation {
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eScreenOrientation_None = 0,
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eScreenOrientation_PortraitPrimary = 1, // 00000001
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eScreenOrientation_PortraitSecondary = 2, // 00000010
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eScreenOrientation_Portrait = 3, // 00000011
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eScreenOrientation_LandscapePrimary = 4, // 00000100
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eScreenOrientation_LandscapeSecondary = 8, // 00001000
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eScreenOrientation_Landscape = 12, // 00001100
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eScreenOrientation_EndGuard
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};
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/**
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* ScreenOrientationWrapper is a class wrapping ScreenOrientation so it can be
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* used with Observer<T> which is taking a class, not an enum.
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* C++11 should make this useless.
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*/
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class ScreenOrientationWrapper {
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public:
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ScreenOrientationWrapper()
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: orientation(eScreenOrientation_None)
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{}
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ScreenOrientationWrapper(ScreenOrientation aOrientation)
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: orientation(aOrientation)
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{}
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ScreenOrientation orientation;
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};
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} // namespace dom
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} // namespace mozilla
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namespace IPC {
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/**
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* Screen orientation serializer.
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* Note that technically, 5, 6, 7, 9, 10 and 11 are illegal values but will
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* not make the serializer to fail. We might want to write our own serializer.
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*/
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template <>
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struct ParamTraits<mozilla::dom::ScreenOrientation>
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: public EnumSerializer<mozilla::dom::ScreenOrientation,
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mozilla::dom::eScreenOrientation_None,
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mozilla::dom::eScreenOrientation_EndGuard>
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{};
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} // namespace IPC
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#endif // mozilla_dom_ScreenOrientation_h
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