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Unified Diff: content/common/sensors.h

Issue 7366011: Initial sensor event provider for testing views screen rotation (Closed) Base URL: http://git.chromium.org/git/chromium.git@trunk
Patch Set: Restore more specific version of another missing header. Created 9 years, 5 months ago
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Index: content/common/sensors.h
diff --git a/content/common/sensors.h b/content/common/sensors.h
new file mode 100644
index 0000000000000000000000000000000000000000..406e75f2ccbe77fc0b7e6afe07b333115fdc48fc
--- /dev/null
+++ b/content/common/sensors.h
@@ -0,0 +1,35 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_COMMON_SENSORS_H_
+#define CONTENT_COMMON_SENSORS_H_
+#pragma once
+
+// The sensors API will unify various types of sensor data into a set of
+// channels, each of which provides change events and periodic updates.
+//
+// This version of the API is intended only to support the experimental screen
+// rotation code and is not for general use.
+
+namespace sensors {
+
+// Indicates the coarse orientation of the device.
+struct ScreenOrientation {
+ enum Side {
+ TOP = 0, // The screen is in its normal orientation.
+ BOTTOM = 1, // The screen is upside-down (180-degree rotation).
+ LEFT = 2, // The right side of the screen is at the top.
+ RIGHT = 3, // The left side of the screen is at the top.
+ FRONT = 4, // The screen is laid flat, facing upward.
+ BACK = 5 // The screen is laid flat, facing downward.
+ };
+
+ // The side of the device which the user probably perceives as facing upward.
+ // This can be used to orient controls and content in a "natural" direction.
+ Side upward;
+};
+
+} // namespace sensors
+
+#endif // CONTENT_COMMON_SENSORS_H_
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