The Tor Browser / file comparison
comparison: dom/gamepad/Gamepad.cpp
dom/gamepad/Gamepad.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:349b7b3b298d |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this file, | |
| 3 * You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #include "Gamepad.h" | |
| 6 #include "nsAutoPtr.h" | |
| 7 #include "nsTArray.h" | |
| 8 #include "nsVariant.h" | |
| 9 #include "mozilla/dom/GamepadBinding.h" | |
| 10 | |
| 11 namespace mozilla { | |
| 12 namespace dom { | |
| 13 | |
| 14 NS_IMPL_CYCLE_COLLECTING_ADDREF(Gamepad) | |
| 15 NS_IMPL_CYCLE_COLLECTING_RELEASE(Gamepad) | |
| 16 | |
| 17 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Gamepad) | |
| 18 NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY | |
| 19 NS_INTERFACE_MAP_ENTRY(nsISupports) | |
| 20 NS_INTERFACE_MAP_END | |
| 21 | |
| 22 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_2(Gamepad, mParent, mButtons) | |
| 23 | |
| 24 Gamepad::Gamepad(nsISupports* aParent, | |
| 25 const nsAString& aID, uint32_t aIndex, | |
| 26 GamepadMappingType aMapping, | |
| 27 uint32_t aNumButtons, uint32_t aNumAxes) | |
| 28 : mParent(aParent), | |
| 29 mID(aID), | |
| 30 mIndex(aIndex), | |
| 31 mMapping(aMapping), | |
| 32 mConnected(true), | |
| 33 mButtons(aNumButtons), | |
| 34 mAxes(aNumAxes) | |
| 35 { | |
| 36 SetIsDOMBinding(); | |
| 37 for (unsigned i = 0; i < aNumButtons; i++) { | |
| 38 mButtons.InsertElementAt(i, new GamepadButton(mParent)); | |
| 39 } | |
| 40 mAxes.InsertElementsAt(0, aNumAxes, 0.0f); | |
| 41 } | |
| 42 | |
| 43 void | |
| 44 Gamepad::SetIndex(uint32_t aIndex) | |
| 45 { | |
| 46 mIndex = aIndex; | |
| 47 } | |
| 48 | |
| 49 void | |
| 50 Gamepad::SetConnected(bool aConnected) | |
| 51 { | |
| 52 mConnected = aConnected; | |
| 53 } | |
| 54 | |
| 55 void | |
| 56 Gamepad::SetButton(uint32_t aButton, bool aPressed, double aValue) | |
| 57 { | |
| 58 MOZ_ASSERT(aButton < mButtons.Length()); | |
| 59 mButtons[aButton]->SetPressed(aPressed); | |
| 60 mButtons[aButton]->SetValue(aValue); | |
| 61 } | |
| 62 | |
| 63 void | |
| 64 Gamepad::SetAxis(uint32_t aAxis, double aValue) | |
| 65 { | |
| 66 MOZ_ASSERT(aAxis < mAxes.Length()); | |
| 67 if (mAxes[aAxis] != aValue) { | |
| 68 mAxes[aAxis] = aValue; | |
| 69 GamepadBinding::ClearCachedAxesValue(this); | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 void | |
| 74 Gamepad::SyncState(Gamepad* aOther) | |
| 75 { | |
| 76 if (mButtons.Length() != aOther->mButtons.Length() || | |
| 77 mAxes.Length() != aOther->mAxes.Length()) { | |
| 78 return; | |
| 79 } | |
| 80 | |
| 81 mConnected = aOther->mConnected; | |
| 82 for (uint32_t i = 0; i < mButtons.Length(); ++i) { | |
| 83 mButtons[i]->SetPressed(aOther->mButtons[i]->Pressed()); | |
| 84 mButtons[i]->SetValue(aOther->mButtons[i]->Value()); | |
| 85 } | |
| 86 bool changed = false; | |
| 87 for (uint32_t i = 0; i < mAxes.Length(); ++i) { | |
| 88 changed = changed || (mAxes[i] != aOther->mAxes[i]); | |
| 89 mAxes[i] = aOther->mAxes[i]; | |
| 90 } | |
| 91 if (changed) { | |
| 92 GamepadBinding::ClearCachedAxesValue(this); | |
| 93 } | |
| 94 } | |
| 95 | |
| 96 already_AddRefed<Gamepad> | |
| 97 Gamepad::Clone(nsISupports* aParent) | |
| 98 { | |
| 99 nsRefPtr<Gamepad> out = | |
| 100 new Gamepad(aParent, mID, mIndex, mMapping, | |
| 101 mButtons.Length(), mAxes.Length()); | |
| 102 out->SyncState(this); | |
| 103 return out.forget(); | |
| 104 } | |
| 105 | |
| 106 /* virtual */ JSObject* | |
| 107 Gamepad::WrapObject(JSContext* aCx) | |
| 108 { | |
| 109 return GamepadBinding::Wrap(aCx, this); | |
| 110 } | |
| 111 | |
| 112 } // namespace dom | |
| 113 } // namespace mozilla |
