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46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
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/* 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_GamepadFunctions_h_
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#define mozilla_dom_GamepadFunctions_h_
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#include "mozilla/dom/GamepadBinding.h"
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namespace mozilla {
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namespace dom {
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namespace GamepadFunctions {
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// Functions for building and transmitting IPDL messages through the HAL
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// sandbox. Used by platform specific Gamepad implementations
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// Add a gamepad to the list of known gamepads, and return its index.
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uint32_t AddGamepad(const char* aID, GamepadMappingType aMapping,
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uint32_t aNumButtons, uint32_t aNumAxes);
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// Remove the gamepad at |aIndex| from the list of known gamepads.
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void RemoveGamepad(uint32_t aIndex);
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// Update the state of |aButton| for the gamepad at |aIndex| for all
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// windows that are listening and visible, and fire one of
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// a gamepadbutton{up,down} event at them as well.
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// aPressed is used for digital buttons, aValue is for analog buttons.
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void NewButtonEvent(uint32_t aIndex, uint32_t aButton, bool aPressed,
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double aValue);
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// When only a digital button is available the value will be synthesized.
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void NewButtonEvent(uint32_t aIndex, uint32_t aButton, bool aPressed);
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// Update the state of |aAxis| for the gamepad at |aIndex| for all
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// windows that are listening and visible, and fire a gamepadaxismove
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// event at them as well.
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void NewAxisMoveEvent(uint32_t aIndex, uint32_t aAxis, double aValue);
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// When shutting down the platform communications for gamepad, also reset the
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// indexes.
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void ResetGamepadIndexes();
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} // namespace GamepadFunctions
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} // namespace dom
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} // namespace mozilla
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#endif
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