gecko-dev/widget/WidgetEventImpl.cpp

750 lines
22 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/BasicEvents.h"
#include "mozilla/ContentEvents.h"
#include "mozilla/InternalMutationEvent.h"
#include "mozilla/MiscEvents.h"
#include "mozilla/MouseEvents.h"
#include "mozilla/Preferences.h"
#include "mozilla/TextEvents.h"
#include "mozilla/TouchEvents.h"
namespace mozilla {
/******************************************************************************
* Global helper methods
******************************************************************************/
const char*
ToChar(EventMessage aEventMessage)
{
switch (aEventMessage) {
#define NS_EVENT_MESSAGE(aMessage) \
case aMessage: \
return #aMessage;
#include "mozilla/EventMessageList.h"
#undef NS_EVENT_MESSAGE
default:
return "illegal event message";
}
}
const char*
ToChar(EventClassID aEventClassID)
{
switch (aEventClassID) {
#define NS_ROOT_EVENT_CLASS(aPrefix, aName) \
case eBasic##aName##Class: \
return "eBasic" #aName "Class";
#define NS_EVENT_CLASS(aPrefix, aName) \
case e##aName##Class: \
return "e" #aName "Class";
#include "mozilla/EventClassList.h"
#undef NS_EVENT_CLASS
#undef NS_ROOT_EVENT_CLASS
default:
return "illegal event class ID";
}
}
/******************************************************************************
* As*Event() implementation
******************************************************************************/
#define NS_ROOT_EVENT_CLASS(aPrefix, aName)
#define NS_EVENT_CLASS(aPrefix, aName) \
aPrefix##aName* \
WidgetEvent::As##aName() \
{ \
return nullptr; \
} \
\
const aPrefix##aName* \
WidgetEvent::As##aName() const \
{ \
return const_cast<WidgetEvent*>(this)->As##aName(); \
}
#include "mozilla/EventClassList.h"
#undef NS_EVENT_CLASS
#undef NS_ROOT_EVENT_CLASS
/******************************************************************************
* mozilla::WidgetEvent
*
* Event struct type checking methods.
******************************************************************************/
bool
WidgetEvent::IsQueryContentEvent() const
{
return mClass == eQueryContentEventClass;
}
bool
WidgetEvent::IsSelectionEvent() const
{
return mClass == eSelectionEventClass;
}
bool
WidgetEvent::IsContentCommandEvent() const
{
return mClass == eContentCommandEventClass;
}
bool
WidgetEvent::IsNativeEventDelivererForPlugin() const
{
return mClass == ePluginEventClass;
}
/******************************************************************************
* mozilla::WidgetEvent
*
* Event message checking methods.
******************************************************************************/
bool
WidgetEvent::HasMouseEventMessage() const
{
switch (mMessage) {
case eMouseDown:
case eMouseUp:
case eMouseClick:
case eMouseDoubleClick:
case eMouseEnterIntoWidget:
case eMouseExitFromWidget:
case eMouseActivate:
case eMouseOver:
case eMouseOut:
case eMouseHitTest:
case eMouseMove:
return true;
default:
return false;
}
}
bool
WidgetEvent::HasDragEventMessage() const
{
switch (mMessage) {
case eDragEnter:
case eDragOver:
case eDragExit:
case eLegacyDragDrop:
case eLegacyDragGesture:
case eDrag:
case eDragEnd:
case eDragStart:
case eDrop:
case eDragLeave:
return true;
default:
return false;
}
}
bool
WidgetEvent::HasKeyEventMessage() const
{
switch (mMessage) {
case eKeyDown:
case eKeyPress:
case eKeyUp:
case eBeforeKeyDown:
case eBeforeKeyUp:
case eAfterKeyDown:
case eAfterKeyUp:
return true;
default:
return false;
}
}
bool
WidgetEvent::HasIMEEventMessage() const
{
switch (mMessage) {
case eCompositionStart:
case eCompositionEnd:
case eCompositionUpdate:
case eCompositionChange:
case eCompositionCommitAsIs:
case eCompositionCommit:
return true;
default:
return false;
}
}
bool
WidgetEvent::HasPluginActivationEventMessage() const
{
return mMessage == ePluginActivate ||
mMessage == ePluginFocus;
}
/******************************************************************************
* mozilla::WidgetEvent
*
* Specific event checking methods.
******************************************************************************/
bool
WidgetEvent::IsRetargetedNativeEventDelivererForPlugin() const
{
const WidgetPluginEvent* pluginEvent = AsPluginEvent();
return pluginEvent && pluginEvent->retargetToFocusedDocument;
}
bool
WidgetEvent::IsNonRetargetedNativeEventDelivererForPlugin() const
{
const WidgetPluginEvent* pluginEvent = AsPluginEvent();
return pluginEvent && !pluginEvent->retargetToFocusedDocument;
}
bool
WidgetEvent::IsIMERelatedEvent() const
{
return HasIMEEventMessage() || IsQueryContentEvent() || IsSelectionEvent();
}
bool
WidgetEvent::IsUsingCoordinates() const
{
const WidgetMouseEvent* mouseEvent = AsMouseEvent();
if (mouseEvent) {
return !mouseEvent->IsContextMenuKeyEvent();
}
return !HasKeyEventMessage() && !IsIMERelatedEvent() &&
!HasPluginActivationEventMessage() &&
!IsNativeEventDelivererForPlugin() &&
!IsContentCommandEvent();
}
bool
WidgetEvent::IsTargetedAtFocusedWindow() const
{
const WidgetMouseEvent* mouseEvent = AsMouseEvent();
if (mouseEvent) {
return mouseEvent->IsContextMenuKeyEvent();
}
return HasKeyEventMessage() || IsIMERelatedEvent() ||
IsContentCommandEvent() ||
IsRetargetedNativeEventDelivererForPlugin();
}
bool
WidgetEvent::IsTargetedAtFocusedContent() const
{
const WidgetMouseEvent* mouseEvent = AsMouseEvent();
if (mouseEvent) {
return mouseEvent->IsContextMenuKeyEvent();
}
return HasKeyEventMessage() || IsIMERelatedEvent() ||
IsRetargetedNativeEventDelivererForPlugin();
}
bool
WidgetEvent::IsAllowedToDispatchDOMEvent() const
{
switch (mClass) {
case eMouseEventClass:
case ePointerEventClass:
// We want synthesized mouse moves to cause mouseover and mouseout
// DOM events (EventStateManager::PreHandleEvent), but not mousemove
// DOM events.
// Synthesized button up events also do not cause DOM events because they
// do not have a reliable refPoint.
return AsMouseEvent()->reason == WidgetMouseEvent::eReal;
case eWheelEventClass: {
// wheel event whose all delta values are zero by user pref applied, it
// shouldn't cause a DOM event.
const WidgetWheelEvent* wheelEvent = AsWheelEvent();
return wheelEvent->deltaX != 0.0 || wheelEvent->deltaY != 0.0 ||
wheelEvent->deltaZ != 0.0;
}
// Following events are handled in EventStateManager, so, we don't need to
// dispatch DOM event for them into the DOM tree.
case eQueryContentEventClass:
case eSelectionEventClass:
case eContentCommandEventClass:
return false;
default:
return true;
}
}
/******************************************************************************
* mozilla::WidgetInputEvent
******************************************************************************/
/* static */
Modifier
WidgetInputEvent::GetModifier(const nsAString& aDOMKeyName)
{
if (aDOMKeyName.EqualsLiteral("Accel")) {
return AccelModifier();
}
KeyNameIndex keyNameIndex = WidgetKeyboardEvent::GetKeyNameIndex(aDOMKeyName);
return WidgetKeyboardEvent::GetModifierForKeyName(keyNameIndex);
}
/* static */
Modifier
WidgetInputEvent::AccelModifier()
{
static Modifier sAccelModifier = MODIFIER_NONE;
if (sAccelModifier == MODIFIER_NONE) {
switch (Preferences::GetInt("ui.key.accelKey", 0)) {
case nsIDOMKeyEvent::DOM_VK_META:
sAccelModifier = MODIFIER_META;
break;
case nsIDOMKeyEvent::DOM_VK_WIN:
sAccelModifier = MODIFIER_OS;
break;
case nsIDOMKeyEvent::DOM_VK_ALT:
sAccelModifier = MODIFIER_ALT;
break;
case nsIDOMKeyEvent::DOM_VK_CONTROL:
sAccelModifier = MODIFIER_CONTROL;
break;
default:
#ifdef XP_MACOSX
sAccelModifier = MODIFIER_META;
#else
sAccelModifier = MODIFIER_CONTROL;
#endif
break;
}
}
return sAccelModifier;
}
/******************************************************************************
* mozilla::WidgetKeyboardEvent (TextEvents.h)
******************************************************************************/
#define NS_DEFINE_KEYNAME(aCPPName, aDOMKeyName) MOZ_UTF16(aDOMKeyName),
const char16_t* WidgetKeyboardEvent::kKeyNames[] = {
#include "mozilla/KeyNameList.h"
};
#undef NS_DEFINE_KEYNAME
#define NS_DEFINE_PHYSICAL_KEY_CODE_NAME(aCPPName, aDOMCodeName) \
MOZ_UTF16(aDOMCodeName),
const char16_t* WidgetKeyboardEvent::kCodeNames[] = {
#include "mozilla/PhysicalKeyCodeNameList.h"
};
#undef NS_DEFINE_PHYSICAL_KEY_CODE_NAME
WidgetKeyboardEvent::KeyNameIndexHashtable*
WidgetKeyboardEvent::sKeyNameIndexHashtable = nullptr;
WidgetKeyboardEvent::CodeNameIndexHashtable*
WidgetKeyboardEvent::sCodeNameIndexHashtable = nullptr;
bool
WidgetKeyboardEvent::ShouldCauseKeypressEvents() const
{
// Currently, we don't dispatch keypress events of modifier keys.
switch (mKeyNameIndex) {
case KEY_NAME_INDEX_Alt:
case KEY_NAME_INDEX_AltGraph:
case KEY_NAME_INDEX_CapsLock:
case KEY_NAME_INDEX_Control:
case KEY_NAME_INDEX_Fn:
case KEY_NAME_INDEX_FnLock:
// case KEY_NAME_INDEX_Hyper:
case KEY_NAME_INDEX_Meta:
case KEY_NAME_INDEX_NumLock:
case KEY_NAME_INDEX_OS:
case KEY_NAME_INDEX_ScrollLock:
case KEY_NAME_INDEX_Shift:
// case KEY_NAME_INDEX_Super:
case KEY_NAME_INDEX_Symbol:
case KEY_NAME_INDEX_SymbolLock:
return false;
default:
return true;
}
}
/* static */ void
WidgetKeyboardEvent::Shutdown()
{
delete sKeyNameIndexHashtable;
sKeyNameIndexHashtable = nullptr;
delete sCodeNameIndexHashtable;
sCodeNameIndexHashtable = nullptr;
}
/* static */ void
WidgetKeyboardEvent::GetDOMKeyName(KeyNameIndex aKeyNameIndex,
nsAString& aKeyName)
{
if (aKeyNameIndex >= KEY_NAME_INDEX_USE_STRING) {
aKeyName.Truncate();
return;
}
MOZ_RELEASE_ASSERT(static_cast<size_t>(aKeyNameIndex) <
ArrayLength(kKeyNames),
"Illegal key enumeration value");
aKeyName = kKeyNames[aKeyNameIndex];
}
/* static */ void
WidgetKeyboardEvent::GetDOMCodeName(CodeNameIndex aCodeNameIndex,
nsAString& aCodeName)
{
if (aCodeNameIndex >= CODE_NAME_INDEX_USE_STRING) {
aCodeName.Truncate();
return;
}
MOZ_RELEASE_ASSERT(static_cast<size_t>(aCodeNameIndex) <
ArrayLength(kCodeNames),
"Illegal physical code enumeration value");
aCodeName = kCodeNames[aCodeNameIndex];
}
/* static */ KeyNameIndex
WidgetKeyboardEvent::GetKeyNameIndex(const nsAString& aKeyValue)
{
if (!sKeyNameIndexHashtable) {
sKeyNameIndexHashtable =
new KeyNameIndexHashtable(ArrayLength(kKeyNames));
for (size_t i = 0; i < ArrayLength(kKeyNames); i++) {
sKeyNameIndexHashtable->Put(nsDependentString(kKeyNames[i]),
static_cast<KeyNameIndex>(i));
}
}
KeyNameIndex result = KEY_NAME_INDEX_USE_STRING;
sKeyNameIndexHashtable->Get(aKeyValue, &result);
return result;
}
/* static */ CodeNameIndex
WidgetKeyboardEvent::GetCodeNameIndex(const nsAString& aCodeValue)
{
if (!sCodeNameIndexHashtable) {
sCodeNameIndexHashtable =
new CodeNameIndexHashtable(ArrayLength(kCodeNames));
for (size_t i = 0; i < ArrayLength(kCodeNames); i++) {
sCodeNameIndexHashtable->Put(nsDependentString(kCodeNames[i]),
static_cast<CodeNameIndex>(i));
}
}
CodeNameIndex result = CODE_NAME_INDEX_USE_STRING;
sCodeNameIndexHashtable->Get(aCodeValue, &result);
return result;
}
/* static */ const char*
WidgetKeyboardEvent::GetCommandStr(Command aCommand)
{
#define NS_DEFINE_COMMAND(aName, aCommandStr) , #aCommandStr
static const char* kCommands[] = {
"" // CommandDoNothing
#include "mozilla/CommandList.h"
};
#undef NS_DEFINE_COMMAND
MOZ_RELEASE_ASSERT(static_cast<size_t>(aCommand) < ArrayLength(kCommands),
"Illegal command enumeration value");
return kCommands[aCommand];
}
/* static */ uint32_t
WidgetKeyboardEvent::ComputeLocationFromCodeValue(CodeNameIndex aCodeNameIndex)
{
// Following commented out cases are not defined in PhysicalKeyCodeNameList.h
// but are defined by D3E spec. So, they should be uncommented when the
// code values are defined in the header.
switch (aCodeNameIndex) {
case CODE_NAME_INDEX_AltLeft:
case CODE_NAME_INDEX_ControlLeft:
case CODE_NAME_INDEX_OSLeft:
case CODE_NAME_INDEX_ShiftLeft:
return nsIDOMKeyEvent::DOM_KEY_LOCATION_LEFT;
case CODE_NAME_INDEX_AltRight:
case CODE_NAME_INDEX_ControlRight:
case CODE_NAME_INDEX_OSRight:
case CODE_NAME_INDEX_ShiftRight:
return nsIDOMKeyEvent::DOM_KEY_LOCATION_RIGHT;
case CODE_NAME_INDEX_Numpad0:
case CODE_NAME_INDEX_Numpad1:
case CODE_NAME_INDEX_Numpad2:
case CODE_NAME_INDEX_Numpad3:
case CODE_NAME_INDEX_Numpad4:
case CODE_NAME_INDEX_Numpad5:
case CODE_NAME_INDEX_Numpad6:
case CODE_NAME_INDEX_Numpad7:
case CODE_NAME_INDEX_Numpad8:
case CODE_NAME_INDEX_Numpad9:
case CODE_NAME_INDEX_NumpadAdd:
case CODE_NAME_INDEX_NumpadBackspace:
case CODE_NAME_INDEX_NumpadClear:
case CODE_NAME_INDEX_NumpadClearEntry:
case CODE_NAME_INDEX_NumpadComma:
case CODE_NAME_INDEX_NumpadDecimal:
case CODE_NAME_INDEX_NumpadDivide:
case CODE_NAME_INDEX_NumpadEnter:
case CODE_NAME_INDEX_NumpadEqual:
case CODE_NAME_INDEX_NumpadMemoryAdd:
case CODE_NAME_INDEX_NumpadMemoryClear:
case CODE_NAME_INDEX_NumpadMemoryRecall:
case CODE_NAME_INDEX_NumpadMemoryStore:
case CODE_NAME_INDEX_NumpadMemorySubtract:
case CODE_NAME_INDEX_NumpadMultiply:
case CODE_NAME_INDEX_NumpadParenLeft:
case CODE_NAME_INDEX_NumpadParenRight:
case CODE_NAME_INDEX_NumpadSubtract:
return nsIDOMKeyEvent::DOM_KEY_LOCATION_NUMPAD;
default:
return nsIDOMKeyEvent::DOM_KEY_LOCATION_STANDARD;
}
}
/* static */ uint32_t
WidgetKeyboardEvent::ComputeKeyCodeFromKeyNameIndex(KeyNameIndex aKeyNameIndex)
{
switch (aKeyNameIndex) {
case KEY_NAME_INDEX_Cancel:
return nsIDOMKeyEvent::DOM_VK_CANCEL;
case KEY_NAME_INDEX_Help:
return nsIDOMKeyEvent::DOM_VK_HELP;
case KEY_NAME_INDEX_Backspace:
return nsIDOMKeyEvent::DOM_VK_BACK_SPACE;
case KEY_NAME_INDEX_Tab:
return nsIDOMKeyEvent::DOM_VK_TAB;
case KEY_NAME_INDEX_Clear:
return nsIDOMKeyEvent::DOM_VK_CLEAR;
case KEY_NAME_INDEX_Enter:
return nsIDOMKeyEvent::DOM_VK_RETURN;
case KEY_NAME_INDEX_Shift:
return nsIDOMKeyEvent::DOM_VK_SHIFT;
case KEY_NAME_INDEX_Control:
return nsIDOMKeyEvent::DOM_VK_CONTROL;
case KEY_NAME_INDEX_Alt:
return nsIDOMKeyEvent::DOM_VK_ALT;
case KEY_NAME_INDEX_Pause:
return nsIDOMKeyEvent::DOM_VK_PAUSE;
case KEY_NAME_INDEX_CapsLock:
return nsIDOMKeyEvent::DOM_VK_CAPS_LOCK;
case KEY_NAME_INDEX_Hiragana:
case KEY_NAME_INDEX_Katakana:
case KEY_NAME_INDEX_HiraganaKatakana:
case KEY_NAME_INDEX_KanaMode:
return nsIDOMKeyEvent::DOM_VK_KANA;
case KEY_NAME_INDEX_HangulMode:
return nsIDOMKeyEvent::DOM_VK_HANGUL;
case KEY_NAME_INDEX_Eisu:
return nsIDOMKeyEvent::DOM_VK_EISU;
case KEY_NAME_INDEX_JunjaMode:
return nsIDOMKeyEvent::DOM_VK_JUNJA;
case KEY_NAME_INDEX_FinalMode:
return nsIDOMKeyEvent::DOM_VK_FINAL;
case KEY_NAME_INDEX_HanjaMode:
return nsIDOMKeyEvent::DOM_VK_HANJA;
case KEY_NAME_INDEX_KanjiMode:
return nsIDOMKeyEvent::DOM_VK_KANJI;
case KEY_NAME_INDEX_Escape:
return nsIDOMKeyEvent::DOM_VK_ESCAPE;
case KEY_NAME_INDEX_Convert:
return nsIDOMKeyEvent::DOM_VK_CONVERT;
case KEY_NAME_INDEX_NonConvert:
return nsIDOMKeyEvent::DOM_VK_NONCONVERT;
case KEY_NAME_INDEX_Accept:
return nsIDOMKeyEvent::DOM_VK_ACCEPT;
case KEY_NAME_INDEX_ModeChange:
return nsIDOMKeyEvent::DOM_VK_MODECHANGE;
case KEY_NAME_INDEX_PageUp:
return nsIDOMKeyEvent::DOM_VK_PAGE_UP;
case KEY_NAME_INDEX_PageDown:
return nsIDOMKeyEvent::DOM_VK_PAGE_DOWN;
case KEY_NAME_INDEX_End:
return nsIDOMKeyEvent::DOM_VK_END;
case KEY_NAME_INDEX_Home:
return nsIDOMKeyEvent::DOM_VK_HOME;
case KEY_NAME_INDEX_ArrowLeft:
return nsIDOMKeyEvent::DOM_VK_LEFT;
case KEY_NAME_INDEX_ArrowUp:
return nsIDOMKeyEvent::DOM_VK_UP;
case KEY_NAME_INDEX_ArrowRight:
return nsIDOMKeyEvent::DOM_VK_RIGHT;
case KEY_NAME_INDEX_ArrowDown:
return nsIDOMKeyEvent::DOM_VK_DOWN;
case KEY_NAME_INDEX_Select:
return nsIDOMKeyEvent::DOM_VK_SELECT;
case KEY_NAME_INDEX_Print:
return nsIDOMKeyEvent::DOM_VK_PRINT;
case KEY_NAME_INDEX_Execute:
return nsIDOMKeyEvent::DOM_VK_EXECUTE;
case KEY_NAME_INDEX_PrintScreen:
return nsIDOMKeyEvent::DOM_VK_PRINTSCREEN;
case KEY_NAME_INDEX_Insert:
return nsIDOMKeyEvent::DOM_VK_INSERT;
case KEY_NAME_INDEX_Delete:
return nsIDOMKeyEvent::DOM_VK_DELETE;
case KEY_NAME_INDEX_OS:
// case KEY_NAME_INDEX_Super:
// case KEY_NAME_INDEX_Hyper:
return nsIDOMKeyEvent::DOM_VK_WIN;
case KEY_NAME_INDEX_ContextMenu:
return nsIDOMKeyEvent::DOM_VK_CONTEXT_MENU;
case KEY_NAME_INDEX_Standby:
return nsIDOMKeyEvent::DOM_VK_SLEEP;
case KEY_NAME_INDEX_F1:
return nsIDOMKeyEvent::DOM_VK_F1;
case KEY_NAME_INDEX_F2:
return nsIDOMKeyEvent::DOM_VK_F2;
case KEY_NAME_INDEX_F3:
return nsIDOMKeyEvent::DOM_VK_F3;
case KEY_NAME_INDEX_F4:
return nsIDOMKeyEvent::DOM_VK_F4;
case KEY_NAME_INDEX_F5:
return nsIDOMKeyEvent::DOM_VK_F5;
case KEY_NAME_INDEX_F6:
return nsIDOMKeyEvent::DOM_VK_F6;
case KEY_NAME_INDEX_F7:
return nsIDOMKeyEvent::DOM_VK_F7;
case KEY_NAME_INDEX_F8:
return nsIDOMKeyEvent::DOM_VK_F8;
case KEY_NAME_INDEX_F9:
return nsIDOMKeyEvent::DOM_VK_F9;
case KEY_NAME_INDEX_F10:
return nsIDOMKeyEvent::DOM_VK_F10;
case KEY_NAME_INDEX_F11:
return nsIDOMKeyEvent::DOM_VK_F11;
case KEY_NAME_INDEX_F12:
return nsIDOMKeyEvent::DOM_VK_F12;
case KEY_NAME_INDEX_F13:
return nsIDOMKeyEvent::DOM_VK_F13;
case KEY_NAME_INDEX_F14:
return nsIDOMKeyEvent::DOM_VK_F14;
case KEY_NAME_INDEX_F15:
return nsIDOMKeyEvent::DOM_VK_F15;
case KEY_NAME_INDEX_F16:
return nsIDOMKeyEvent::DOM_VK_F16;
case KEY_NAME_INDEX_F17:
return nsIDOMKeyEvent::DOM_VK_F17;
case KEY_NAME_INDEX_F18:
return nsIDOMKeyEvent::DOM_VK_F18;
case KEY_NAME_INDEX_F19:
return nsIDOMKeyEvent::DOM_VK_F19;
case KEY_NAME_INDEX_F20:
return nsIDOMKeyEvent::DOM_VK_F20;
case KEY_NAME_INDEX_F21:
return nsIDOMKeyEvent::DOM_VK_F21;
case KEY_NAME_INDEX_F22:
return nsIDOMKeyEvent::DOM_VK_F22;
case KEY_NAME_INDEX_F23:
return nsIDOMKeyEvent::DOM_VK_F23;
case KEY_NAME_INDEX_F24:
return nsIDOMKeyEvent::DOM_VK_F24;
case KEY_NAME_INDEX_NumLock:
return nsIDOMKeyEvent::DOM_VK_NUM_LOCK;
case KEY_NAME_INDEX_ScrollLock:
return nsIDOMKeyEvent::DOM_VK_SCROLL_LOCK;
case KEY_NAME_INDEX_VolumeMute:
return nsIDOMKeyEvent::DOM_VK_VOLUME_MUTE;
case KEY_NAME_INDEX_VolumeDown:
return nsIDOMKeyEvent::DOM_VK_VOLUME_DOWN;
case KEY_NAME_INDEX_VolumeUp:
return nsIDOMKeyEvent::DOM_VK_VOLUME_UP;
case KEY_NAME_INDEX_Meta:
return nsIDOMKeyEvent::DOM_VK_META;
case KEY_NAME_INDEX_AltGraph:
return nsIDOMKeyEvent::DOM_VK_ALTGR;
case KEY_NAME_INDEX_Attn:
return nsIDOMKeyEvent::DOM_VK_ATTN;
case KEY_NAME_INDEX_CrSel:
return nsIDOMKeyEvent::DOM_VK_CRSEL;
case KEY_NAME_INDEX_ExSel:
return nsIDOMKeyEvent::DOM_VK_EXSEL;
case KEY_NAME_INDEX_EraseEof:
return nsIDOMKeyEvent::DOM_VK_EREOF;
case KEY_NAME_INDEX_Play:
return nsIDOMKeyEvent::DOM_VK_PLAY;
case KEY_NAME_INDEX_ZoomToggle:
case KEY_NAME_INDEX_ZoomIn:
case KEY_NAME_INDEX_ZoomOut:
return nsIDOMKeyEvent::DOM_VK_ZOOM;
default:
return 0;
}
}
/* static */ Modifier
WidgetKeyboardEvent::GetModifierForKeyName(KeyNameIndex aKeyNameIndex)
{
switch (aKeyNameIndex) {
case KEY_NAME_INDEX_Alt:
return MODIFIER_ALT;
case KEY_NAME_INDEX_AltGraph:
return MODIFIER_ALTGRAPH;
case KEY_NAME_INDEX_CapsLock:
return MODIFIER_CAPSLOCK;
case KEY_NAME_INDEX_Control:
return MODIFIER_CONTROL;
case KEY_NAME_INDEX_Fn:
return MODIFIER_FN;
case KEY_NAME_INDEX_FnLock:
return MODIFIER_FNLOCK;
// case KEY_NAME_INDEX_Hyper:
case KEY_NAME_INDEX_Meta:
return MODIFIER_META;
case KEY_NAME_INDEX_NumLock:
return MODIFIER_NUMLOCK;
case KEY_NAME_INDEX_OS:
return MODIFIER_OS;
case KEY_NAME_INDEX_ScrollLock:
return MODIFIER_SCROLLLOCK;
case KEY_NAME_INDEX_Shift:
return MODIFIER_SHIFT;
// case KEY_NAME_INDEX_Super:
case KEY_NAME_INDEX_Symbol:
return MODIFIER_SYMBOL;
case KEY_NAME_INDEX_SymbolLock:
return MODIFIER_SYMBOLLOCK;
default:
return MODIFIER_NONE;
}
}
/* static */ bool
WidgetKeyboardEvent::IsLockableModifier(KeyNameIndex aKeyNameIndex)
{
switch (aKeyNameIndex) {
case KEY_NAME_INDEX_CapsLock:
case KEY_NAME_INDEX_FnLock:
case KEY_NAME_INDEX_NumLock:
case KEY_NAME_INDEX_ScrollLock:
case KEY_NAME_INDEX_SymbolLock:
return true;
default:
return false;
}
}
} // namespace mozilla