michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "mozilla/dom/KeyboardEvent.h"
michael@0: #include "mozilla/TextEvents.h"
michael@0: #include "prtime.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: KeyboardEvent::KeyboardEvent(EventTarget* aOwner,
michael@0:                              nsPresContext* aPresContext,
michael@0:                              WidgetKeyboardEvent* aEvent)
michael@0:   : UIEvent(aOwner, aPresContext,
michael@0:             aEvent ? aEvent : new WidgetKeyboardEvent(false, 0, nullptr))
michael@0:   , mInitializedByCtor(false)
michael@0:   , mInitialzedWhichValue(0)
michael@0: {
michael@0:   NS_ASSERTION(mEvent->eventStructType == NS_KEY_EVENT, "event type mismatch");
michael@0: 
michael@0:   if (aEvent) {
michael@0:     mEventIsInternal = false;
michael@0:   }
michael@0:   else {
michael@0:     mEventIsInternal = true;
michael@0:     mEvent->time = PR_Now();
michael@0:     mEvent->AsKeyboardEvent()->mKeyNameIndex = KEY_NAME_INDEX_USE_STRING;
michael@0:   }
michael@0: }
michael@0: 
michael@0: NS_IMPL_ADDREF_INHERITED(KeyboardEvent, UIEvent)
michael@0: NS_IMPL_RELEASE_INHERITED(KeyboardEvent, UIEvent)
michael@0: 
michael@0: NS_INTERFACE_MAP_BEGIN(KeyboardEvent)
michael@0:   NS_INTERFACE_MAP_ENTRY(nsIDOMKeyEvent)
michael@0: NS_INTERFACE_MAP_END_INHERITING(UIEvent)
michael@0: 
michael@0: bool
michael@0: KeyboardEvent::AltKey()
michael@0: {
michael@0:   return mEvent->AsKeyboardEvent()->IsAlt();
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetAltKey(bool* aIsDown)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aIsDown);
michael@0:   *aIsDown = AltKey();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: bool
michael@0: KeyboardEvent::CtrlKey()
michael@0: {
michael@0:   return mEvent->AsKeyboardEvent()->IsControl();
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetCtrlKey(bool* aIsDown)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aIsDown);
michael@0:   *aIsDown = CtrlKey();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: bool
michael@0: KeyboardEvent::ShiftKey()
michael@0: {
michael@0:   return mEvent->AsKeyboardEvent()->IsShift();
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetShiftKey(bool* aIsDown)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aIsDown);
michael@0:   *aIsDown = ShiftKey();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: bool
michael@0: KeyboardEvent::MetaKey()
michael@0: {
michael@0:   return mEvent->AsKeyboardEvent()->IsMeta();
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetMetaKey(bool* aIsDown)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aIsDown);
michael@0:   *aIsDown = MetaKey();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: bool
michael@0: KeyboardEvent::Repeat()
michael@0: {
michael@0:   return mEvent->AsKeyboardEvent()->mIsRepeat;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetRepeat(bool* aIsRepeat)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aIsRepeat);
michael@0:   *aIsRepeat = Repeat();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: bool
michael@0: KeyboardEvent::IsComposing()
michael@0: {
michael@0:   return mEvent->AsKeyboardEvent()->mIsComposing;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetModifierState(const nsAString& aKey,
michael@0:                                 bool* aState)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aState);
michael@0: 
michael@0:   *aState = GetModifierState(aKey);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetKey(nsAString& aKeyName)
michael@0: {
michael@0:   mEvent->AsKeyboardEvent()->GetDOMKeyName(aKeyName);
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetCharCode(uint32_t* aCharCode)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aCharCode);
michael@0:   *aCharCode = CharCode();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: uint32_t
michael@0: KeyboardEvent::CharCode()
michael@0: {
michael@0:   // If this event is initialized with ctor, we shouldn't check event type.
michael@0:   if (mInitializedByCtor) {
michael@0:     return mEvent->AsKeyboardEvent()->charCode;
michael@0:   }
michael@0: 
michael@0:   switch (mEvent->message) {
michael@0:   case NS_KEY_UP:
michael@0:   case NS_KEY_DOWN:
michael@0:     return 0;
michael@0:   case NS_KEY_PRESS:
michael@0:     return mEvent->AsKeyboardEvent()->charCode;
michael@0:   }
michael@0:   return 0;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetKeyCode(uint32_t* aKeyCode)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aKeyCode);
michael@0:   *aKeyCode = KeyCode();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: uint32_t
michael@0: KeyboardEvent::KeyCode()
michael@0: {
michael@0:   // If this event is initialized with ctor, we shouldn't check event type.
michael@0:   if (mInitializedByCtor) {
michael@0:     return mEvent->AsKeyboardEvent()->keyCode;
michael@0:   }
michael@0: 
michael@0:   switch (mEvent->message) {
michael@0:   case NS_KEY_UP:
michael@0:   case NS_KEY_PRESS:
michael@0:   case NS_KEY_DOWN:
michael@0:     return mEvent->AsKeyboardEvent()->keyCode;
michael@0:   }
michael@0:   return 0;
michael@0: }
michael@0: 
michael@0: uint32_t
michael@0: KeyboardEvent::Which()
michael@0: {
michael@0:   // If this event is initialized with ctor, which can have independent value.
michael@0:   if (mInitializedByCtor) {
michael@0:     return mInitialzedWhichValue;
michael@0:   }
michael@0: 
michael@0:   switch (mEvent->message) {
michael@0:     case NS_KEY_UP:
michael@0:     case NS_KEY_DOWN:
michael@0:       return KeyCode();
michael@0:     case NS_KEY_PRESS:
michael@0:       //Special case for 4xp bug 62878.  Try to make value of which
michael@0:       //more closely mirror the values that 4.x gave for RETURN and BACKSPACE
michael@0:       {
michael@0:         uint32_t keyCode = mEvent->AsKeyboardEvent()->keyCode;
michael@0:         if (keyCode == NS_VK_RETURN || keyCode == NS_VK_BACK) {
michael@0:           return keyCode;
michael@0:         }
michael@0:         return CharCode();
michael@0:       }
michael@0:   }
michael@0: 
michael@0:   return 0;
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::GetLocation(uint32_t* aLocation)
michael@0: {
michael@0:   NS_ENSURE_ARG_POINTER(aLocation);
michael@0: 
michael@0:   *aLocation = Location();
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: uint32_t
michael@0: KeyboardEvent::Location()
michael@0: {
michael@0:   return mEvent->AsKeyboardEvent()->location;
michael@0: }
michael@0: 
michael@0: // static
michael@0: already_AddRefed<KeyboardEvent>
michael@0: KeyboardEvent::Constructor(const GlobalObject& aGlobal,
michael@0:                            const nsAString& aType,
michael@0:                            const KeyboardEventInit& aParam,
michael@0:                            ErrorResult& aRv)
michael@0: {
michael@0:   nsCOMPtr<EventTarget> target = do_QueryInterface(aGlobal.GetAsSupports());
michael@0:   nsRefPtr<KeyboardEvent> newEvent =
michael@0:     new KeyboardEvent(target, nullptr, nullptr);
michael@0:   bool trusted = newEvent->Init(target);
michael@0:   aRv = newEvent->InitKeyEvent(aType, aParam.mBubbles, aParam.mCancelable,
michael@0:                                aParam.mView, aParam.mCtrlKey, aParam.mAltKey,
michael@0:                                aParam.mShiftKey, aParam.mMetaKey,
michael@0:                                aParam.mKeyCode, aParam.mCharCode);
michael@0:   newEvent->SetTrusted(trusted);
michael@0:   newEvent->mDetail = aParam.mDetail;
michael@0:   newEvent->mInitializedByCtor = true;
michael@0:   newEvent->mInitialzedWhichValue = aParam.mWhich;
michael@0: 
michael@0:   WidgetKeyboardEvent* internalEvent = newEvent->mEvent->AsKeyboardEvent();
michael@0:   internalEvent->location = aParam.mLocation;
michael@0:   internalEvent->mIsRepeat = aParam.mRepeat;
michael@0:   internalEvent->mIsComposing = aParam.mIsComposing;
michael@0:   internalEvent->mKeyNameIndex = KEY_NAME_INDEX_USE_STRING;
michael@0:   internalEvent->mKeyValue = aParam.mKey;
michael@0: 
michael@0:   return newEvent.forget();
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: KeyboardEvent::InitKeyEvent(const nsAString& aType,
michael@0:                             bool aCanBubble,
michael@0:                             bool aCancelable,
michael@0:                             nsIDOMWindow* aView,
michael@0:                             bool aCtrlKey,
michael@0:                             bool aAltKey,
michael@0:                             bool aShiftKey,
michael@0:                             bool aMetaKey,
michael@0:                             uint32_t aKeyCode,
michael@0:                             uint32_t aCharCode)
michael@0: {
michael@0:   nsresult rv = UIEvent::InitUIEvent(aType, aCanBubble, aCancelable, aView, 0);
michael@0:   NS_ENSURE_SUCCESS(rv, rv);
michael@0: 
michael@0:   WidgetKeyboardEvent* keyEvent = mEvent->AsKeyboardEvent();
michael@0:   keyEvent->InitBasicModifiers(aCtrlKey, aAltKey, aShiftKey, aMetaKey);
michael@0:   keyEvent->keyCode = aKeyCode;
michael@0:   keyEvent->charCode = aCharCode;
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: using namespace mozilla;
michael@0: using namespace mozilla::dom;
michael@0: 
michael@0: nsresult
michael@0: NS_NewDOMKeyboardEvent(nsIDOMEvent** aInstancePtrResult,
michael@0:                        EventTarget* aOwner,
michael@0:                        nsPresContext* aPresContext,
michael@0:                        WidgetKeyboardEvent* aEvent)
michael@0: {
michael@0:   KeyboardEvent* it = new KeyboardEvent(aOwner, aPresContext, aEvent);
michael@0:   NS_ADDREF(it);
michael@0:   *aInstancePtrResult = static_cast<Event*>(it);
michael@0:   return NS_OK;
michael@0: }