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36 lines
1.5 KiB
Plaintext
36 lines
1.5 KiB
Plaintext
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// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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module device.mojom;
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import "services/device/public/mojom/screen_orientation_lock_types.mojom";
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interface ScreenOrientation {
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LockOrientation(ScreenOrientationLockType orientation) =>
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(ScreenOrientationLockResult result);
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UnlockOrientation();
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};
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// ScreenOrientationListener is expected to be used when the platform requires
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// heavy work in order to accurately know the screen orientation.
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// For example, on Android, this is required for Jelly Bean, where there is no
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// API to be notified of a screen orientation change of 180 degrees.
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interface ScreenOrientationListener {
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// The renderer process is now using the Screen Orientation API and informs
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// the browser process that it should start accurately listening to the screen
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// orientation if it wasn't already.
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Start();
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// The renderer process is no longer using the Screen Orientation API and
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// informs the browser process that it can stop accurately listening to the
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// screen orientation if no other process cares about it.
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Stop();
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// Queries whether accelerometer auto rotation of screen orientation is
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// enabled, or the user has locked the screen orientation at the OS level.
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// This can be called at any time, whether or not the listener is started.
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// It's currently only implemented on Android.
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IsAutoRotateEnabledByUser() => (bool enabled);
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};
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