1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/gamepad/Gamepad.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,113 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this file,
1.6 + * You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "Gamepad.h"
1.9 +#include "nsAutoPtr.h"
1.10 +#include "nsTArray.h"
1.11 +#include "nsVariant.h"
1.12 +#include "mozilla/dom/GamepadBinding.h"
1.13 +
1.14 +namespace mozilla {
1.15 +namespace dom {
1.16 +
1.17 +NS_IMPL_CYCLE_COLLECTING_ADDREF(Gamepad)
1.18 +NS_IMPL_CYCLE_COLLECTING_RELEASE(Gamepad)
1.19 +
1.20 +NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Gamepad)
1.21 + NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
1.22 + NS_INTERFACE_MAP_ENTRY(nsISupports)
1.23 +NS_INTERFACE_MAP_END
1.24 +
1.25 +NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(Gamepad, mParent, mButtons)
1.26 +
1.27 +Gamepad::Gamepad(nsISupports* aParent,
1.28 + const nsAString& aID, uint32_t aIndex,
1.29 + GamepadMappingType aMapping,
1.30 + uint32_t aNumButtons, uint32_t aNumAxes)
1.31 + : mParent(aParent),
1.32 + mID(aID),
1.33 + mIndex(aIndex),
1.34 + mMapping(aMapping),
1.35 + mConnected(true),
1.36 + mButtons(aNumButtons),
1.37 + mAxes(aNumAxes)
1.38 +{
1.39 + SetIsDOMBinding();
1.40 + for (unsigned i = 0; i < aNumButtons; i++) {
1.41 + mButtons.InsertElementAt(i, new GamepadButton(mParent));
1.42 + }
1.43 + mAxes.InsertElementsAt(0, aNumAxes, 0.0f);
1.44 +}
1.45 +
1.46 +void
1.47 +Gamepad::SetIndex(uint32_t aIndex)
1.48 +{
1.49 + mIndex = aIndex;
1.50 +}
1.51 +
1.52 +void
1.53 +Gamepad::SetConnected(bool aConnected)
1.54 +{
1.55 + mConnected = aConnected;
1.56 +}
1.57 +
1.58 +void
1.59 +Gamepad::SetButton(uint32_t aButton, bool aPressed, double aValue)
1.60 +{
1.61 + MOZ_ASSERT(aButton < mButtons.Length());
1.62 + mButtons[aButton]->SetPressed(aPressed);
1.63 + mButtons[aButton]->SetValue(aValue);
1.64 +}
1.65 +
1.66 +void
1.67 +Gamepad::SetAxis(uint32_t aAxis, double aValue)
1.68 +{
1.69 + MOZ_ASSERT(aAxis < mAxes.Length());
1.70 + if (mAxes[aAxis] != aValue) {
1.71 + mAxes[aAxis] = aValue;
1.72 + GamepadBinding::ClearCachedAxesValue(this);
1.73 + }
1.74 +}
1.75 +
1.76 +void
1.77 +Gamepad::SyncState(Gamepad* aOther)
1.78 +{
1.79 + if (mButtons.Length() != aOther->mButtons.Length() ||
1.80 + mAxes.Length() != aOther->mAxes.Length()) {
1.81 + return;
1.82 + }
1.83 +
1.84 + mConnected = aOther->mConnected;
1.85 + for (uint32_t i = 0; i < mButtons.Length(); ++i) {
1.86 + mButtons[i]->SetPressed(aOther->mButtons[i]->Pressed());
1.87 + mButtons[i]->SetValue(aOther->mButtons[i]->Value());
1.88 + }
1.89 + bool changed = false;
1.90 + for (uint32_t i = 0; i < mAxes.Length(); ++i) {
1.91 + changed = changed || (mAxes[i] != aOther->mAxes[i]);
1.92 + mAxes[i] = aOther->mAxes[i];
1.93 + }
1.94 + if (changed) {
1.95 + GamepadBinding::ClearCachedAxesValue(this);
1.96 + }
1.97 +}
1.98 +
1.99 +already_AddRefed<Gamepad>
1.100 +Gamepad::Clone(nsISupports* aParent)
1.101 +{
1.102 + nsRefPtr<Gamepad> out =
1.103 + new Gamepad(aParent, mID, mIndex, mMapping,
1.104 + mButtons.Length(), mAxes.Length());
1.105 + out->SyncState(this);
1.106 + return out.forget();
1.107 +}
1.108 +
1.109 +/* virtual */ JSObject*
1.110 +Gamepad::WrapObject(JSContext* aCx)
1.111 +{
1.112 + return GamepadBinding::Wrap(aCx, this);
1.113 +}
1.114 +
1.115 +} // namespace dom
1.116 +} // namespace mozilla
