Adding upstream version 2:20.4+dfsg.upstream/2%20.4+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 56 insertions, 0 deletions

diff --git a/xbmc/powermanagement/DPMSSupport.h b/xbmc/powermanagement/DPMSSupport.h
new file mode 100644
index 0000000..cf10b4c
--- /dev/null
+++ b/xbmc/powermanagement/DPMSSupport.h
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+/*
+ *  Copyright (C) 2009-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#pragma once
+
+#include <vector>
+
+// This class encapsulates support for monitor power-saving features (DPMS).
+// An instance is connected to a Surface, provides information on which
+// power-saving features are available for that screen, and it is able to
+// turn power-saving on an off.
+// Note that SDL turns off DPMS timeouts at the beginning of the application.
+class CDPMSSupport
+{
+public:
+  // All known DPMS power-saving modes, on any platform.
+  enum PowerSavingMode
+  {
+    STANDBY,
+    SUSPEND,
+    OFF,
+    NUM_MODES,
+  };
+
+  CDPMSSupport();
+  virtual ~CDPMSSupport() = default;
+
+  // Whether power-saving is supported on this screen.
+  bool IsSupported() const { return !m_supportedModes.empty(); }
+
+  // Which power-saving modes are supported, in the order of preference (i.e.
+  // the first mode should be the best choice).
+  const std::vector<PowerSavingMode>& GetSupportedModes() const
+  {
+    return m_supportedModes;
+  }
+
+  // Whether a given mode is supported.
+  bool IsModeSupported(PowerSavingMode mode) const;
+
+  // Turns on the specified power-saving mode, which must be valid
+  // and supported. Returns false if this failed.
+  virtual bool EnablePowerSaving(PowerSavingMode mode) = 0;
+
+  // Turns off power-saving mode. You should only call this if the display
+  // is currently in a power-saving mode, to avoid visual artifacts.
+  virtual bool DisablePowerSaving() = 0;
+
+protected:
+  std::vector<PowerSavingMode> m_supportedModes;
+};