gecko/dom/events/KeyboardEvent.cpp
Ryan VanderMeulen 1a22fa2864 Backed out 6 changesets (bug 989198, bug 1082963) for causing bug 1083231.
Backed out changeset a7c972407578 (bug 1082963)
Backed out changeset 94d1b30bde00 (bug 989198)
Backed out changeset 01e064ceb505 (bug 989198)
Backed out changeset f5a538109e36 (bug 989198)
Backed out changeset 3ff227d79d74 (bug 989198)
Backed out changeset 186743fc6f6d (bug 989198)

CLOSED TREE
2014-10-16 12:57:18 -04:00

408 lines
11 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/KeyboardEvent.h"
#include "mozilla/TextEvents.h"
#include "nsIDocument.h"
#include "prtime.h"
namespace mozilla {
namespace dom {
KeyboardEvent::KeyboardEvent(EventTarget* aOwner,
nsPresContext* aPresContext,
WidgetKeyboardEvent* aEvent)
: UIEvent(aOwner, aPresContext,
aEvent ? aEvent : new WidgetKeyboardEvent(false, 0, nullptr))
, mInitializedByCtor(false)
, mInitialzedWhichValue(0)
{
NS_ASSERTION(mEvent->mClass == eKeyboardEventClass, "event type mismatch");
if (aEvent) {
mEventIsInternal = false;
}
else {
mEventIsInternal = true;
mEvent->time = PR_Now();
mEvent->AsKeyboardEvent()->mKeyNameIndex = KEY_NAME_INDEX_USE_STRING;
}
}
NS_IMPL_ADDREF_INHERITED(KeyboardEvent, UIEvent)
NS_IMPL_RELEASE_INHERITED(KeyboardEvent, UIEvent)
NS_INTERFACE_MAP_BEGIN(KeyboardEvent)
NS_INTERFACE_MAP_ENTRY(nsIDOMKeyEvent)
NS_INTERFACE_MAP_END_INHERITING(UIEvent)
bool
KeyboardEvent::AltKey()
{
return mEvent->AsKeyboardEvent()->IsAlt();
}
NS_IMETHODIMP
KeyboardEvent::GetAltKey(bool* aIsDown)
{
NS_ENSURE_ARG_POINTER(aIsDown);
*aIsDown = AltKey();
return NS_OK;
}
bool
KeyboardEvent::CtrlKey()
{
return mEvent->AsKeyboardEvent()->IsControl();
}
NS_IMETHODIMP
KeyboardEvent::GetCtrlKey(bool* aIsDown)
{
NS_ENSURE_ARG_POINTER(aIsDown);
*aIsDown = CtrlKey();
return NS_OK;
}
bool
KeyboardEvent::ShiftKey()
{
return mEvent->AsKeyboardEvent()->IsShift();
}
NS_IMETHODIMP
KeyboardEvent::GetShiftKey(bool* aIsDown)
{
NS_ENSURE_ARG_POINTER(aIsDown);
*aIsDown = ShiftKey();
return NS_OK;
}
bool
KeyboardEvent::MetaKey()
{
return mEvent->AsKeyboardEvent()->IsMeta();
}
NS_IMETHODIMP
KeyboardEvent::GetMetaKey(bool* aIsDown)
{
NS_ENSURE_ARG_POINTER(aIsDown);
*aIsDown = MetaKey();
return NS_OK;
}
bool
KeyboardEvent::Repeat()
{
return mEvent->AsKeyboardEvent()->mIsRepeat;
}
NS_IMETHODIMP
KeyboardEvent::GetRepeat(bool* aIsRepeat)
{
NS_ENSURE_ARG_POINTER(aIsRepeat);
*aIsRepeat = Repeat();
return NS_OK;
}
bool
KeyboardEvent::IsComposing()
{
return mEvent->AsKeyboardEvent()->mIsComposing;
}
NS_IMETHODIMP
KeyboardEvent::GetModifierState(const nsAString& aKey,
bool* aState)
{
NS_ENSURE_ARG_POINTER(aState);
*aState = GetModifierState(aKey);
return NS_OK;
}
NS_IMETHODIMP
KeyboardEvent::GetKey(nsAString& aKeyName)
{
WidgetKeyboardEvent* keyboardEvent = mEvent->AsKeyboardEvent();
keyboardEvent->GetDOMKeyName(aKeyName);
nsIDocument::DeprecatedOperations deprecatedOperation;
switch (keyboardEvent->mKeyNameIndex) {
case KEY_NAME_INDEX_Down:
deprecatedOperation = nsIDocument::eKeyNameDown;
break;
case KEY_NAME_INDEX_Left:
deprecatedOperation = nsIDocument::eKeyNameLeft;
break;
case KEY_NAME_INDEX_Right:
deprecatedOperation = nsIDocument::eKeyNameRight;
break;
case KEY_NAME_INDEX_Up:
deprecatedOperation = nsIDocument::eKeyNameUp;
break;
case KEY_NAME_INDEX_Crsel:
deprecatedOperation = nsIDocument::eKeyNameCrsel;
break;
case KEY_NAME_INDEX_Del:
deprecatedOperation = nsIDocument::eKeyNameDel;
break;
case KEY_NAME_INDEX_Exsel:
deprecatedOperation = nsIDocument::eKeyNameExsel;
break;
case KEY_NAME_INDEX_Menu:
deprecatedOperation = nsIDocument::eKeyNameMenu;
break;
case KEY_NAME_INDEX_Esc:
deprecatedOperation = nsIDocument::eKeyNameEsc;
break;
case KEY_NAME_INDEX_Nonconvert:
deprecatedOperation = nsIDocument::eKeyNameNonconvert;
break;
case KEY_NAME_INDEX_HalfWidth:
deprecatedOperation = nsIDocument::eKeyNameHalfWidth;
break;
case KEY_NAME_INDEX_RomanCharacters:
deprecatedOperation = nsIDocument::eKeyNameRomanCharacters;
break;
case KEY_NAME_INDEX_FullWidth:
deprecatedOperation = nsIDocument::eKeyNameFullWidth;
break;
case KEY_NAME_INDEX_SelectMedia:
deprecatedOperation = nsIDocument::eKeyNameSelectMedia;
break;
case KEY_NAME_INDEX_MediaNextTrack:
deprecatedOperation = nsIDocument::eKeyNameMediaNextTrack;
break;
case KEY_NAME_INDEX_MediaPreviousTrack:
deprecatedOperation = nsIDocument::eKeyNameMediaPreviousTrack;
break;
case KEY_NAME_INDEX_Red:
deprecatedOperation = nsIDocument::eKeyNameRed;
break;
case KEY_NAME_INDEX_Green:
deprecatedOperation = nsIDocument::eKeyNameGreen;
break;
case KEY_NAME_INDEX_Yellow:
deprecatedOperation = nsIDocument::eKeyNameYellow;
break;
case KEY_NAME_INDEX_Blue:
deprecatedOperation = nsIDocument::eKeyNameBlue;
break;
case KEY_NAME_INDEX_Live:
deprecatedOperation = nsIDocument::eKeyNameLive;
break;
case KEY_NAME_INDEX_Apps:
deprecatedOperation = nsIDocument::eKeyNameApps;
break;
case KEY_NAME_INDEX_FastFwd:
deprecatedOperation = nsIDocument::eKeyNameFastFwd;
break;
case KEY_NAME_INDEX_Zoom:
deprecatedOperation = nsIDocument::eKeyNameZoom;
break;
case KEY_NAME_INDEX_DeadGrave:
case KEY_NAME_INDEX_DeadAcute:
case KEY_NAME_INDEX_DeadCircumflex:
case KEY_NAME_INDEX_DeadTilde:
case KEY_NAME_INDEX_DeadMacron:
case KEY_NAME_INDEX_DeadBreve:
case KEY_NAME_INDEX_DeadAboveDot:
case KEY_NAME_INDEX_DeadUmlaut:
case KEY_NAME_INDEX_DeadAboveRing:
case KEY_NAME_INDEX_DeadDoubleacute:
case KEY_NAME_INDEX_DeadCaron:
case KEY_NAME_INDEX_DeadCedilla:
case KEY_NAME_INDEX_DeadOgonek:
case KEY_NAME_INDEX_DeadIota:
case KEY_NAME_INDEX_DeadVoicedSound:
case KEY_NAME_INDEX_DeadSemivoicedSound:
deprecatedOperation = nsIDocument::eKeyNameDeadKeys;
break;
default:
return NS_OK;
}
nsIDocument* doc = mOwner ? mOwner->GetExtantDoc() : nullptr;
if (NS_WARN_IF(!doc)) {
return NS_OK;
}
doc->WarnOnceAbout(deprecatedOperation);
return NS_OK;
}
void
KeyboardEvent::GetCode(nsAString& aCodeName)
{
mEvent->AsKeyboardEvent()->GetDOMCodeName(aCodeName);
}
NS_IMETHODIMP
KeyboardEvent::GetCharCode(uint32_t* aCharCode)
{
NS_ENSURE_ARG_POINTER(aCharCode);
*aCharCode = CharCode();
return NS_OK;
}
uint32_t
KeyboardEvent::CharCode()
{
// If this event is initialized with ctor, we shouldn't check event type.
if (mInitializedByCtor) {
return mEvent->AsKeyboardEvent()->charCode;
}
switch (mEvent->message) {
case NS_KEY_UP:
case NS_KEY_DOWN:
return 0;
case NS_KEY_PRESS:
return mEvent->AsKeyboardEvent()->charCode;
}
return 0;
}
NS_IMETHODIMP
KeyboardEvent::GetKeyCode(uint32_t* aKeyCode)
{
NS_ENSURE_ARG_POINTER(aKeyCode);
*aKeyCode = KeyCode();
return NS_OK;
}
uint32_t
KeyboardEvent::KeyCode()
{
// If this event is initialized with ctor, we shouldn't check event type.
if (mInitializedByCtor) {
return mEvent->AsKeyboardEvent()->keyCode;
}
switch (mEvent->message) {
case NS_KEY_UP:
case NS_KEY_PRESS:
case NS_KEY_DOWN:
return mEvent->AsKeyboardEvent()->keyCode;
}
return 0;
}
uint32_t
KeyboardEvent::Which()
{
// If this event is initialized with ctor, which can have independent value.
if (mInitializedByCtor) {
return mInitialzedWhichValue;
}
switch (mEvent->message) {
case NS_KEY_UP:
case NS_KEY_DOWN:
return KeyCode();
case NS_KEY_PRESS:
//Special case for 4xp bug 62878. Try to make value of which
//more closely mirror the values that 4.x gave for RETURN and BACKSPACE
{
uint32_t keyCode = mEvent->AsKeyboardEvent()->keyCode;
if (keyCode == NS_VK_RETURN || keyCode == NS_VK_BACK) {
return keyCode;
}
return CharCode();
}
}
return 0;
}
NS_IMETHODIMP
KeyboardEvent::GetLocation(uint32_t* aLocation)
{
NS_ENSURE_ARG_POINTER(aLocation);
*aLocation = Location();
return NS_OK;
}
uint32_t
KeyboardEvent::Location()
{
return mEvent->AsKeyboardEvent()->location;
}
// static
already_AddRefed<KeyboardEvent>
KeyboardEvent::Constructor(const GlobalObject& aGlobal,
const nsAString& aType,
const KeyboardEventInit& aParam,
ErrorResult& aRv)
{
nsCOMPtr<EventTarget> target = do_QueryInterface(aGlobal.GetAsSupports());
nsRefPtr<KeyboardEvent> newEvent =
new KeyboardEvent(target, nullptr, nullptr);
bool trusted = newEvent->Init(target);
aRv = newEvent->InitKeyEvent(aType, aParam.mBubbles, aParam.mCancelable,
aParam.mView, aParam.mCtrlKey, aParam.mAltKey,
aParam.mShiftKey, aParam.mMetaKey,
aParam.mKeyCode, aParam.mCharCode);
newEvent->SetTrusted(trusted);
newEvent->mDetail = aParam.mDetail;
newEvent->mInitializedByCtor = true;
newEvent->mInitialzedWhichValue = aParam.mWhich;
WidgetKeyboardEvent* internalEvent = newEvent->mEvent->AsKeyboardEvent();
internalEvent->location = aParam.mLocation;
internalEvent->mIsRepeat = aParam.mRepeat;
internalEvent->mIsComposing = aParam.mIsComposing;
internalEvent->mKeyNameIndex = KEY_NAME_INDEX_USE_STRING;
internalEvent->mKeyValue = aParam.mKey;
internalEvent->mCodeNameIndex = CODE_NAME_INDEX_USE_STRING;
internalEvent->mCodeValue = aParam.mCode;
return newEvent.forget();
}
NS_IMETHODIMP
KeyboardEvent::InitKeyEvent(const nsAString& aType,
bool aCanBubble,
bool aCancelable,
nsIDOMWindow* aView,
bool aCtrlKey,
bool aAltKey,
bool aShiftKey,
bool aMetaKey,
uint32_t aKeyCode,
uint32_t aCharCode)
{
nsresult rv = UIEvent::InitUIEvent(aType, aCanBubble, aCancelable, aView, 0);
NS_ENSURE_SUCCESS(rv, rv);
WidgetKeyboardEvent* keyEvent = mEvent->AsKeyboardEvent();
keyEvent->InitBasicModifiers(aCtrlKey, aAltKey, aShiftKey, aMetaKey);
keyEvent->keyCode = aKeyCode;
keyEvent->charCode = aCharCode;
return NS_OK;
}
} // namespace dom
} // namespace mozilla
using namespace mozilla;
using namespace mozilla::dom;
nsresult
NS_NewDOMKeyboardEvent(nsIDOMEvent** aInstancePtrResult,
EventTarget* aOwner,
nsPresContext* aPresContext,
WidgetKeyboardEvent* aEvent)
{
KeyboardEvent* it = new KeyboardEvent(aOwner, aPresContext, aEvent);
NS_ADDREF(it);
*aInstancePtrResult = static_cast<Event*>(it);
return NS_OK;
}