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-rw-r--r--widget/WidgetEventImpl.cpp1948
1 files changed, 1948 insertions, 0 deletions
diff --git a/widget/WidgetEventImpl.cpp b/widget/WidgetEventImpl.cpp
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index 0000000000..0f458f9339
--- /dev/null
+++ b/widget/WidgetEventImpl.cpp
@@ -0,0 +1,1948 @@
+/* -*- 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 "BasicEvents.h"
+#include "ContentEvents.h"
+#include "MiscEvents.h"
+#include "MouseEvents.h"
+#include "NativeKeyBindingsType.h"
+#include "TextEventDispatcher.h"
+#include "TextEvents.h"
+#include "TouchEvents.h"
+
+#include "mozilla/EventStateManager.h"
+#include "mozilla/InternalMutationEvent.h"
+#include "mozilla/Maybe.h"
+#include "mozilla/Preferences.h"
+#include "mozilla/StaticPrefs_mousewheel.h"
+#include "mozilla/StaticPrefs_ui.h"
+#include "mozilla/WritingModes.h"
+#include "mozilla/dom/KeyboardEventBinding.h"
+#include "mozilla/dom/WheelEventBinding.h"
+#include "nsCommandParams.h"
+#include "nsContentUtils.h"
+#include "nsIContent.h"
+#include "nsIDragSession.h"
+#include "nsPrintfCString.h"
+
+#if defined(XP_WIN)
+# include "windef.h"
+# include "winnetwk.h"
+# include "npapi.h"
+# include "WinUtils.h"
+#endif // #if defined (XP_WIN)
+
+#if defined(MOZ_WIDGET_GTK) || defined(XP_MACOSX)
+# include "NativeKeyBindings.h"
+#endif // #if defined(MOZ_WIDGET_GTK) || defined(XP_MACOSX)
+
+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";
+ }
+}
+
+const nsCString ToString(KeyNameIndex aKeyNameIndex) {
+ if (aKeyNameIndex == KEY_NAME_INDEX_USE_STRING) {
+ return "USE_STRING"_ns;
+ }
+ nsAutoString keyName;
+ WidgetKeyboardEvent::GetDOMKeyName(aKeyNameIndex, keyName);
+ return NS_ConvertUTF16toUTF8(keyName);
+}
+
+const nsCString ToString(CodeNameIndex aCodeNameIndex) {
+ if (aCodeNameIndex == CODE_NAME_INDEX_USE_STRING) {
+ return "USE_STRING"_ns;
+ }
+ nsAutoString codeName;
+ WidgetKeyboardEvent::GetDOMCodeName(aCodeNameIndex, codeName);
+ return NS_ConvertUTF16toUTF8(codeName);
+}
+
+const char* ToChar(Command aCommand) {
+ if (aCommand == Command::DoNothing) {
+ return "CommandDoNothing";
+ }
+
+ switch (aCommand) {
+#define NS_DEFINE_COMMAND(aName, aCommandStr) \
+ case Command::aName: \
+ return "Command::" #aName;
+#define NS_DEFINE_COMMAND_WITH_PARAM(aName, aCommandStr, aParam) \
+ case Command::aName: \
+ return "Command::" #aName;
+#define NS_DEFINE_COMMAND_NO_EXEC_COMMAND(aName) \
+ case Command::aName: \
+ return "Command::" #aName;
+
+#include "mozilla/CommandList.h"
+
+#undef NS_DEFINE_COMMAND
+#undef NS_DEFINE_COMMAND_WITH_PARAM
+#undef NS_DEFINE_COMMAND_NO_EXEC_COMMAND
+
+ default:
+ return "illegal command value";
+ }
+}
+
+const nsCString GetDOMKeyCodeName(uint32_t aKeyCode) {
+ switch (aKeyCode) {
+#define NS_DISALLOW_SAME_KEYCODE
+#define NS_DEFINE_VK(aDOMKeyName, aDOMKeyCode) \
+ case aDOMKeyCode: \
+ return nsLiteralCString(#aDOMKeyName);
+
+#include "mozilla/VirtualKeyCodeList.h"
+
+#undef NS_DEFINE_VK
+#undef NS_DISALLOW_SAME_KEYCODE
+
+ default:
+ return nsPrintfCString("Invalid DOM keyCode (0x%08X)", aKeyCode);
+ }
+}
+
+bool IsValidRawTextRangeValue(RawTextRangeType aRawTextRangeType) {
+ switch (static_cast<TextRangeType>(aRawTextRangeType)) {
+ case TextRangeType::eUninitialized:
+ case TextRangeType::eCaret:
+ case TextRangeType::eRawClause:
+ case TextRangeType::eSelectedRawClause:
+ case TextRangeType::eConvertedClause:
+ case TextRangeType::eSelectedClause:
+ return true;
+ default:
+ return false;
+ }
+}
+
+RawTextRangeType ToRawTextRangeType(TextRangeType aTextRangeType) {
+ return static_cast<RawTextRangeType>(aTextRangeType);
+}
+
+TextRangeType ToTextRangeType(RawTextRangeType aRawTextRangeType) {
+ MOZ_ASSERT(IsValidRawTextRangeValue(aRawTextRangeType));
+ return static_cast<TextRangeType>(aRawTextRangeType);
+}
+
+const char* ToChar(TextRangeType aTextRangeType) {
+ switch (aTextRangeType) {
+ case TextRangeType::eUninitialized:
+ return "TextRangeType::eUninitialized";
+ case TextRangeType::eCaret:
+ return "TextRangeType::eCaret";
+ case TextRangeType::eRawClause:
+ return "TextRangeType::eRawClause";
+ case TextRangeType::eSelectedRawClause:
+ return "TextRangeType::eSelectedRawClause";
+ case TextRangeType::eConvertedClause:
+ return "TextRangeType::eConvertedClause";
+ case TextRangeType::eSelectedClause:
+ return "TextRangeType::eSelectedClause";
+ default:
+ return "Invalid TextRangeType";
+ }
+}
+
+SelectionType ToSelectionType(TextRangeType aTextRangeType) {
+ switch (aTextRangeType) {
+ case TextRangeType::eRawClause:
+ return SelectionType::eIMERawClause;
+ case TextRangeType::eSelectedRawClause:
+ return SelectionType::eIMESelectedRawClause;
+ case TextRangeType::eConvertedClause:
+ return SelectionType::eIMEConvertedClause;
+ case TextRangeType::eSelectedClause:
+ return SelectionType::eIMESelectedClause;
+ default:
+ MOZ_CRASH("TextRangeType is invalid");
+ return SelectionType::eNormal;
+ }
+}
+
+/******************************************************************************
+ * non class method implementation
+ ******************************************************************************/
+
+static nsTHashMap<nsDepCharHashKey, Command>* sCommandHashtable = nullptr;
+
+Command GetInternalCommand(const char* aCommandName,
+ const nsCommandParams* aCommandParams) {
+ if (!aCommandName) {
+ return Command::DoNothing;
+ }
+
+ // Special cases for "cmd_align". It's mapped to multiple internal commands
+ // with additional param. Therefore, we cannot handle it with the hashtable.
+ if (!strcmp(aCommandName, "cmd_align")) {
+ if (!aCommandParams) {
+ // Note that if this is called by EditorCommand::IsCommandEnabled(),
+ // it cannot set aCommandParams. So, don't warn in this case even though
+ // this is illegal case for DoCommandParams().
+ return Command::FormatJustify;
+ }
+ nsAutoCString cValue;
+ nsresult rv = aCommandParams->GetCString("state_attribute", cValue);
+ if (NS_FAILED(rv)) {
+ nsString value; // Avoid copying the string buffer with using nsString.
+ rv = aCommandParams->GetString("state_attribute", value);
+ if (NS_FAILED(rv)) {
+ return Command::FormatJustifyNone;
+ }
+ CopyUTF16toUTF8(value, cValue);
+ }
+ if (cValue.LowerCaseEqualsASCII("left")) {
+ return Command::FormatJustifyLeft;
+ }
+ if (cValue.LowerCaseEqualsASCII("right")) {
+ return Command::FormatJustifyRight;
+ }
+ if (cValue.LowerCaseEqualsASCII("center")) {
+ return Command::FormatJustifyCenter;
+ }
+ if (cValue.LowerCaseEqualsASCII("justify")) {
+ return Command::FormatJustifyFull;
+ }
+ if (cValue.IsEmpty()) {
+ return Command::FormatJustifyNone;
+ }
+ return Command::DoNothing;
+ }
+
+ if (!sCommandHashtable) {
+ sCommandHashtable = new nsTHashMap<nsDepCharHashKey, Command>();
+#define NS_DEFINE_COMMAND(aName, aCommandStr) \
+ sCommandHashtable->InsertOrUpdate(#aCommandStr, Command::aName);
+
+#define NS_DEFINE_COMMAND_WITH_PARAM(aName, aCommandStr, aParam)
+
+#define NS_DEFINE_COMMAND_NO_EXEC_COMMAND(aName)
+
+#include "mozilla/CommandList.h"
+
+#undef NS_DEFINE_COMMAND
+#undef NS_DEFINE_COMMAND_WITH_PARAM
+#undef NS_DEFINE_COMMAND_NO_EXEC_COMMAND
+ }
+ Command command = Command::DoNothing;
+ if (!sCommandHashtable->Get(aCommandName, &command)) {
+ return Command::DoNothing;
+ }
+ return command;
+}
+
+/******************************************************************************
+ * 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;
+}
+
+/******************************************************************************
+ * mozilla::WidgetEvent
+ *
+ * Event message checking methods.
+ ******************************************************************************/
+
+bool WidgetEvent::HasMouseEventMessage() const {
+ switch (mMessage) {
+ case eMouseDown:
+ case eMouseUp:
+ case eMouseClick:
+ case eMouseDoubleClick:
+ case eMouseAuxClick:
+ 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 eDrag:
+ case eDragEnd:
+ case eDragStart:
+ case eDrop:
+ case eDragLeave:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/* static */
+bool WidgetEvent::IsKeyEventMessage(EventMessage aMessage) {
+ switch (aMessage) {
+ case eKeyDown:
+ case eKeyPress:
+ case eKeyUp:
+ case eAccessKeyNotFound:
+ 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;
+ }
+}
+
+/******************************************************************************
+ * mozilla::WidgetEvent
+ *
+ * Specific event checking methods.
+ ******************************************************************************/
+
+bool WidgetEvent::CanBeSentToRemoteProcess() const {
+ // If this event is explicitly marked as shouldn't be sent to remote process,
+ // just return false.
+ if (IsCrossProcessForwardingStopped()) {
+ return false;
+ }
+
+ if (mClass == eKeyboardEventClass || mClass == eWheelEventClass) {
+ return true;
+ }
+
+ switch (mMessage) {
+ case eMouseDown:
+ case eMouseUp:
+ case eMouseMove:
+ case eMouseExploreByTouch:
+ case eContextMenu:
+ case eMouseEnterIntoWidget:
+ case eMouseExitFromWidget:
+ case eMouseTouchDrag:
+ case eTouchStart:
+ case eTouchMove:
+ case eTouchEnd:
+ case eTouchCancel:
+ case eDragOver:
+ case eDragExit:
+ case eDrop:
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool WidgetEvent::WillBeSentToRemoteProcess() const {
+ // This event won't be posted to remote process if it's already explicitly
+ // stopped.
+ if (IsCrossProcessForwardingStopped()) {
+ return false;
+ }
+
+ // When mOriginalTarget is nullptr, this method shouldn't be used.
+ if (NS_WARN_IF(!mOriginalTarget)) {
+ return false;
+ }
+
+ return EventStateManager::IsTopLevelRemoteTarget(
+ nsIContent::FromEventTarget(mOriginalTarget));
+}
+
+bool WidgetEvent::IsIMERelatedEvent() const {
+ return HasIMEEventMessage() || IsQueryContentEvent() || IsSelectionEvent();
+}
+
+bool WidgetEvent::IsUsingCoordinates() const {
+ const WidgetMouseEvent* mouseEvent = AsMouseEvent();
+ if (mouseEvent) {
+ return !mouseEvent->IsContextMenuKeyEvent();
+ }
+ return !HasKeyEventMessage() && !IsIMERelatedEvent() &&
+ !IsContentCommandEvent();
+}
+
+bool WidgetEvent::IsTargetedAtFocusedWindow() const {
+ const WidgetMouseEvent* mouseEvent = AsMouseEvent();
+ if (mouseEvent) {
+ return mouseEvent->IsContextMenuKeyEvent();
+ }
+ return HasKeyEventMessage() || IsIMERelatedEvent() || IsContentCommandEvent();
+}
+
+bool WidgetEvent::IsTargetedAtFocusedContent() const {
+ const WidgetMouseEvent* mouseEvent = AsMouseEvent();
+ if (mouseEvent) {
+ return mouseEvent->IsContextMenuKeyEvent();
+ }
+ return HasKeyEventMessage() || IsIMERelatedEvent();
+}
+
+bool WidgetEvent::IsAllowedToDispatchDOMEvent() const {
+ switch (mClass) {
+ case eMouseEventClass:
+ if (mMessage == eMouseTouchDrag) {
+ return false;
+ }
+ [[fallthrough]];
+ 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 mRefPoint.
+ return AsMouseEvent()->mReason == 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->mDeltaX != 0.0 || wheelEvent->mDeltaY != 0.0 ||
+ wheelEvent->mDeltaZ != 0.0;
+ }
+ case eTouchEventClass:
+ return mMessage != eTouchPointerCancel;
+ // 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;
+ }
+}
+
+bool WidgetEvent::IsAllowedToDispatchInSystemGroup() const {
+ // We don't expect to implement default behaviors with pointer events because
+ // if we do, prevent default on mouse events can't prevent default behaviors
+ // anymore.
+ return mClass != ePointerEventClass;
+}
+
+bool WidgetEvent::IsBlockedForFingerprintingResistance() const {
+ switch (mClass) {
+ case eKeyboardEventClass: {
+ const WidgetKeyboardEvent* keyboardEvent = AsKeyboardEvent();
+
+ return (keyboardEvent->mKeyNameIndex == KEY_NAME_INDEX_Alt ||
+ keyboardEvent->mKeyNameIndex == KEY_NAME_INDEX_Shift ||
+ keyboardEvent->mKeyNameIndex == KEY_NAME_INDEX_Control ||
+ keyboardEvent->mKeyNameIndex == KEY_NAME_INDEX_AltGraph);
+ }
+ case ePointerEventClass: {
+ const WidgetPointerEvent* pointerEvent = AsPointerEvent();
+
+ // We suppress the pointer events if it is not primary for fingerprinting
+ // resistance. It is because of that we want to spoof any pointer event
+ // into a mouse pointer event and the mouse pointer event only has
+ // isPrimary as true.
+ return !pointerEvent->mIsPrimary;
+ }
+ default:
+ return false;
+ }
+}
+
+/******************************************************************************
+ * mozilla::WidgetEvent
+ *
+ * Misc methods.
+ ******************************************************************************/
+
+static dom::EventTarget* GetTargetForDOMEvent(dom::EventTarget* aTarget) {
+ return aTarget ? aTarget->GetTargetForDOMEvent() : nullptr;
+}
+
+dom::EventTarget* WidgetEvent::GetDOMEventTarget() const {
+ return GetTargetForDOMEvent(mTarget);
+}
+
+dom::EventTarget* WidgetEvent::GetCurrentDOMEventTarget() const {
+ return GetTargetForDOMEvent(mCurrentTarget);
+}
+
+dom::EventTarget* WidgetEvent::GetOriginalDOMEventTarget() const {
+ if (mOriginalTarget) {
+ return GetTargetForDOMEvent(mOriginalTarget);
+ }
+ return GetDOMEventTarget();
+}
+
+void WidgetEvent::PreventDefault(bool aCalledByDefaultHandler,
+ nsIPrincipal* aPrincipal) {
+ if (mMessage == ePointerDown) {
+ if (aCalledByDefaultHandler) {
+ // Shouldn't prevent default on pointerdown by default handlers to stop
+ // firing legacy mouse events. Use MOZ_ASSERT to catch incorrect usages
+ // in debug builds.
+ MOZ_ASSERT(false);
+ return;
+ }
+ if (aPrincipal) {
+ nsAutoString addonId;
+ Unused << NS_WARN_IF(NS_FAILED(aPrincipal->GetAddonId(addonId)));
+ if (!addonId.IsEmpty()) {
+ // Ignore the case that it's called by a web extension.
+ return;
+ }
+ }
+ }
+ mFlags.PreventDefault(aCalledByDefaultHandler);
+}
+
+bool WidgetEvent::IsUserAction() const {
+ if (!IsTrusted()) {
+ return false;
+ }
+ // FYI: eMouseScrollEventClass and ePointerEventClass represent
+ // user action but they are synthesized events.
+ switch (mClass) {
+ case eKeyboardEventClass:
+ case eCompositionEventClass:
+ case eMouseScrollEventClass:
+ case eWheelEventClass:
+ case eGestureNotifyEventClass:
+ case eSimpleGestureEventClass:
+ case eTouchEventClass:
+ case eCommandEventClass:
+ case eContentCommandEventClass:
+ return true;
+ case eMouseEventClass:
+ case eDragEventClass:
+ case ePointerEventClass:
+ return AsMouseEvent()->IsReal();
+ default:
+ return false;
+ }
+}
+
+/******************************************************************************
+ * 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 (StaticPrefs::ui_key_accelKey()) {
+ case dom::KeyboardEvent_Binding::DOM_VK_META:
+ sAccelModifier = MODIFIER_META;
+ break;
+ case dom::KeyboardEvent_Binding::DOM_VK_WIN:
+ sAccelModifier = MODIFIER_OS;
+ break;
+ case dom::KeyboardEvent_Binding::DOM_VK_ALT:
+ sAccelModifier = MODIFIER_ALT;
+ break;
+ case dom::KeyboardEvent_Binding::DOM_VK_CONTROL:
+ sAccelModifier = MODIFIER_CONTROL;
+ break;
+ default:
+#ifdef XP_MACOSX
+ sAccelModifier = MODIFIER_META;
+#else
+ sAccelModifier = MODIFIER_CONTROL;
+#endif
+ break;
+ }
+ }
+ return sAccelModifier;
+}
+
+/******************************************************************************
+ * mozilla::WidgetMouseEvent (MouseEvents.h)
+ ******************************************************************************/
+
+/* static */
+bool WidgetMouseEvent::IsMiddleClickPasteEnabled() {
+ return Preferences::GetBool("middlemouse.paste", false);
+}
+
+#ifdef DEBUG
+void WidgetMouseEvent::AssertContextMenuEventButtonConsistency() const {
+ if (mMessage != eContextMenu) {
+ return;
+ }
+
+ if (mContextMenuTrigger == eNormal) {
+ NS_WARNING_ASSERTION(mButton == MouseButton::eSecondary,
+ "eContextMenu events with eNormal trigger should use "
+ "secondary mouse button");
+ } else {
+ NS_WARNING_ASSERTION(mButton == MouseButton::ePrimary,
+ "eContextMenu events with non-eNormal trigger should "
+ "use primary mouse button");
+ }
+
+ if (mContextMenuTrigger == eControlClick) {
+ NS_WARNING_ASSERTION(IsControl(),
+ "eContextMenu events with eControlClick trigger "
+ "should return true from IsControl()");
+ }
+}
+#endif
+
+/******************************************************************************
+ * mozilla::WidgetDragEvent (MouseEvents.h)
+ ******************************************************************************/
+
+void WidgetDragEvent::InitDropEffectForTests() {
+ MOZ_ASSERT(mFlags.mIsSynthesizedForTests);
+
+ nsCOMPtr<nsIDragSession> session = nsContentUtils::GetDragSession();
+ if (NS_WARN_IF(!session)) {
+ return;
+ }
+
+ uint32_t effectAllowed = session->GetEffectAllowedForTests();
+ uint32_t desiredDropEffect = nsIDragService::DRAGDROP_ACTION_NONE;
+#ifdef XP_MACOSX
+ if (IsAlt()) {
+ desiredDropEffect = IsMeta() ? nsIDragService::DRAGDROP_ACTION_LINK
+ : nsIDragService::DRAGDROP_ACTION_COPY;
+ }
+#else
+ // On Linux, we know user's intention from API, but we should use
+ // same modifiers as Windows for tests because GNOME on Ubuntu use
+ // them and that makes each test simpler.
+ if (IsControl()) {
+ desiredDropEffect = IsShift() ? nsIDragService::DRAGDROP_ACTION_LINK
+ : nsIDragService::DRAGDROP_ACTION_COPY;
+ } else if (IsShift()) {
+ desiredDropEffect = nsIDragService::DRAGDROP_ACTION_MOVE;
+ }
+#endif // #ifdef XP_MACOSX #else
+ // First, use modifier state for preferring action which is explicitly
+ // specified by the synthesizer.
+ if (!(desiredDropEffect &= effectAllowed)) {
+ // Otherwise, use an action which is allowed at starting the session.
+ desiredDropEffect = effectAllowed;
+ }
+ if (desiredDropEffect & nsIDragService::DRAGDROP_ACTION_MOVE) {
+ session->SetDragAction(nsIDragService::DRAGDROP_ACTION_MOVE);
+ } else if (desiredDropEffect & nsIDragService::DRAGDROP_ACTION_COPY) {
+ session->SetDragAction(nsIDragService::DRAGDROP_ACTION_COPY);
+ } else if (desiredDropEffect & nsIDragService::DRAGDROP_ACTION_LINK) {
+ session->SetDragAction(nsIDragService::DRAGDROP_ACTION_LINK);
+ } else {
+ session->SetDragAction(nsIDragService::DRAGDROP_ACTION_NONE);
+ }
+}
+
+/******************************************************************************
+ * mozilla::WidgetWheelEvent (MouseEvents.h)
+ ******************************************************************************/
+
+/* static */
+double WidgetWheelEvent::ComputeOverriddenDelta(double aDelta,
+ bool aIsForVertical) {
+ if (!StaticPrefs::mousewheel_system_scroll_override_enabled()) {
+ return aDelta;
+ }
+ int32_t intFactor =
+ aIsForVertical
+ ? StaticPrefs::mousewheel_system_scroll_override_vertical_factor()
+ : StaticPrefs::mousewheel_system_scroll_override_horizontal_factor();
+ // Making the scroll speed slower doesn't make sense. So, ignore odd factor
+ // which is less than 1.0.
+ if (intFactor <= 100) {
+ return aDelta;
+ }
+ double factor = static_cast<double>(intFactor) / 100;
+ return aDelta * factor;
+}
+
+double WidgetWheelEvent::OverriddenDeltaX() const {
+ if (!mAllowToOverrideSystemScrollSpeed ||
+ mDeltaMode != dom::WheelEvent_Binding::DOM_DELTA_LINE ||
+ mCustomizedByUserPrefs) {
+ return mDeltaX;
+ }
+ return ComputeOverriddenDelta(mDeltaX, false);
+}
+
+double WidgetWheelEvent::OverriddenDeltaY() const {
+ if (!mAllowToOverrideSystemScrollSpeed ||
+ mDeltaMode != dom::WheelEvent_Binding::DOM_DELTA_LINE ||
+ mCustomizedByUserPrefs) {
+ return mDeltaY;
+ }
+ return ComputeOverriddenDelta(mDeltaY, true);
+}
+
+/******************************************************************************
+ * mozilla::WidgetKeyboardEvent (TextEvents.h)
+ ******************************************************************************/
+
+#define NS_DEFINE_KEYNAME(aCPPName, aDOMKeyName) (u"" aDOMKeyName),
+const char16_t* const WidgetKeyboardEvent::kKeyNames[] = {
+#include "mozilla/KeyNameList.h"
+};
+#undef NS_DEFINE_KEYNAME
+
+#define NS_DEFINE_PHYSICAL_KEY_CODE_NAME(aCPPName, aDOMCodeName) \
+ (u"" aDOMCodeName),
+const char16_t* const WidgetKeyboardEvent::kCodeNames[] = {
+#include "mozilla/PhysicalKeyCodeNameList.h"
+};
+#undef NS_DEFINE_PHYSICAL_KEY_CODE_NAME
+
+WidgetKeyboardEvent::KeyNameIndexHashtable*
+ WidgetKeyboardEvent::sKeyNameIndexHashtable = nullptr;
+WidgetKeyboardEvent::CodeNameIndexHashtable*
+ WidgetKeyboardEvent::sCodeNameIndexHashtable = nullptr;
+
+void WidgetKeyboardEvent::InitAllEditCommands(
+ const Maybe<WritingMode>& aWritingMode) {
+ // If this event is synthesized for tests, we don't need to retrieve the
+ // command via the main process. So, we don't need widget and can trust
+ // the event.
+ if (!mFlags.mIsSynthesizedForTests) {
+ // If the event was created without widget, e.g., created event in chrome
+ // script, this shouldn't execute native key bindings.
+ if (NS_WARN_IF(!mWidget)) {
+ return;
+ }
+
+ // This event should be trusted event here and we shouldn't expose native
+ // key binding information to web contents with untrusted events.
+ if (NS_WARN_IF(!IsTrusted())) {
+ return;
+ }
+
+ MOZ_ASSERT(
+ XRE_IsParentProcess(),
+ "It's too expensive to retrieve all edit commands from remote process");
+ MOZ_ASSERT(!AreAllEditCommandsInitialized(),
+ "Shouldn't be called two or more times");
+ }
+
+ DebugOnly<bool> okIgnored = InitEditCommandsFor(
+ NativeKeyBindingsType::SingleLineEditor, aWritingMode);
+ NS_WARNING_ASSERTION(okIgnored,
+ "InitEditCommandsFor(NativeKeyBindingsType::"
+ "SingleLineEditor) failed, but ignored");
+ okIgnored =
+ InitEditCommandsFor(NativeKeyBindingsType::MultiLineEditor, aWritingMode);
+ NS_WARNING_ASSERTION(okIgnored,
+ "InitEditCommandsFor(NativeKeyBindingsType::"
+ "MultiLineEditor) failed, but ignored");
+ okIgnored =
+ InitEditCommandsFor(NativeKeyBindingsType::RichTextEditor, aWritingMode);
+ NS_WARNING_ASSERTION(okIgnored,
+ "InitEditCommandsFor(NativeKeyBindingsType::"
+ "RichTextEditor) failed, but ignored");
+}
+
+bool WidgetKeyboardEvent::InitEditCommandsFor(
+ NativeKeyBindingsType aType, const Maybe<WritingMode>& aWritingMode) {
+ bool& initialized = IsEditCommandsInitializedRef(aType);
+ if (initialized) {
+ return true;
+ }
+ nsTArray<CommandInt>& commands = EditCommandsRef(aType);
+
+ // If this event is synthesized for tests, we shouldn't access customized
+ // shortcut settings of the environment. Therefore, we don't need to check
+ // whether `widget` is set or not. And we can treat synthesized events are
+ // always trusted.
+ if (mFlags.mIsSynthesizedForTests) {
+ MOZ_DIAGNOSTIC_ASSERT(IsTrusted());
+#if defined(MOZ_WIDGET_GTK) || defined(XP_MACOSX)
+ // TODO: We should implement `NativeKeyBindings` for Windows and Android
+ // too in bug 1301497 for getting rid of the #if.
+ widget::NativeKeyBindings::GetEditCommandsForTests(aType, *this,
+ aWritingMode, commands);
+#endif
+ initialized = true;
+ return true;
+ }
+
+ if (NS_WARN_IF(!mWidget) || NS_WARN_IF(!IsTrusted())) {
+ return false;
+ }
+ // `nsIWidget::GetEditCommands()` will retrieve `WritingMode` at selection
+ // again, but it should be almost zero-cost since `TextEventDispatcher`
+ // caches the value.
+ nsCOMPtr<nsIWidget> widget = mWidget;
+ initialized = widget->GetEditCommands(aType, *this, commands);
+ return initialized;
+}
+
+bool WidgetKeyboardEvent::ExecuteEditCommands(NativeKeyBindingsType aType,
+ DoCommandCallback aCallback,
+ void* aCallbackData) {
+ // If the event was created without widget, e.g., created event in chrome
+ // script, this shouldn't execute native key bindings.
+ if (NS_WARN_IF(!mWidget)) {
+ return false;
+ }
+
+ // This event should be trusted event here and we shouldn't expose native
+ // key binding information to web contents with untrusted events.
+ if (NS_WARN_IF(!IsTrusted())) {
+ return false;
+ }
+
+ if (!IsEditCommandsInitializedRef(aType)) {
+ Maybe<WritingMode> writingMode;
+ if (RefPtr<widget::TextEventDispatcher> textEventDispatcher =
+ mWidget->GetTextEventDispatcher()) {
+ writingMode = textEventDispatcher->MaybeQueryWritingModeAtSelection();
+ }
+ if (NS_WARN_IF(!InitEditCommandsFor(aType, writingMode))) {
+ return false;
+ }
+ }
+
+ const nsTArray<CommandInt>& commands = EditCommandsRef(aType);
+ if (commands.IsEmpty()) {
+ return false;
+ }
+
+ for (CommandInt command : commands) {
+ aCallback(static_cast<Command>(command), aCallbackData);
+ }
+ return true;
+}
+
+bool WidgetKeyboardEvent::ShouldCauseKeypressEvents() const {
+ // Currently, we don't dispatch keypress events of modifier keys and
+ // dead 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:
+ case KEY_NAME_INDEX_Dead:
+ return false;
+ default:
+ return true;
+ }
+}
+
+static bool HasASCIIDigit(const ShortcutKeyCandidateArray& aCandidates) {
+ for (uint32_t i = 0; i < aCandidates.Length(); ++i) {
+ uint32_t ch = aCandidates[i].mCharCode;
+ if (ch >= '0' && ch <= '9') return true;
+ }
+ return false;
+}
+
+static bool CharsCaseInsensitiveEqual(uint32_t aChar1, uint32_t aChar2) {
+ return aChar1 == aChar2 || (IS_IN_BMP(aChar1) && IS_IN_BMP(aChar2) &&
+ ToLowerCase(static_cast<char16_t>(aChar1)) ==
+ ToLowerCase(static_cast<char16_t>(aChar2)));
+}
+
+static bool IsCaseChangeableChar(uint32_t aChar) {
+ return IS_IN_BMP(aChar) && ToLowerCase(static_cast<char16_t>(aChar)) !=
+ ToUpperCase(static_cast<char16_t>(aChar));
+}
+
+void WidgetKeyboardEvent::GetShortcutKeyCandidates(
+ ShortcutKeyCandidateArray& aCandidates) const {
+ MOZ_ASSERT(aCandidates.IsEmpty(), "aCandidates must be empty");
+
+ // ShortcutKeyCandidate::mCharCode is a candidate charCode.
+ // ShortcutKeyCandidate::mIgnoreShift means the mCharCode should be tried to
+ // execute a command with/without shift key state. If this is TRUE, the
+ // shifted key state should be ignored. Otherwise, don't ignore the state.
+ // the priority of the charCodes are (shift key is not pressed):
+ // 0: PseudoCharCode()/false,
+ // 1: unshiftedCharCodes[0]/false, 2: unshiftedCharCodes[1]/false...
+ // the priority of the charCodes are (shift key is pressed):
+ // 0: PseudoCharCode()/false,
+ // 1: shiftedCharCodes[0]/false, 2: shiftedCharCodes[0]/true,
+ // 3: shiftedCharCodes[1]/false, 4: shiftedCharCodes[1]/true...
+ uint32_t pseudoCharCode = PseudoCharCode();
+ if (pseudoCharCode) {
+ ShortcutKeyCandidate key(pseudoCharCode, false);
+ aCandidates.AppendElement(key);
+ }
+
+ uint32_t len = mAlternativeCharCodes.Length();
+ if (!IsShift()) {
+ for (uint32_t i = 0; i < len; ++i) {
+ uint32_t ch = mAlternativeCharCodes[i].mUnshiftedCharCode;
+ if (!ch || ch == pseudoCharCode) {
+ continue;
+ }
+ ShortcutKeyCandidate key(ch, false);
+ aCandidates.AppendElement(key);
+ }
+ // If unshiftedCharCodes doesn't have numeric but shiftedCharCode has it,
+ // this keyboard layout is AZERTY or similar layout, probably.
+ // In this case, Accel+[0-9] should be accessible without shift key.
+ // However, the priority should be lowest.
+ if (!HasASCIIDigit(aCandidates)) {
+ for (uint32_t i = 0; i < len; ++i) {
+ uint32_t ch = mAlternativeCharCodes[i].mShiftedCharCode;
+ if (ch >= '0' && ch <= '9') {
+ ShortcutKeyCandidate key(ch, false);
+ aCandidates.AppendElement(key);
+ break;
+ }
+ }
+ }
+ } else {
+ for (uint32_t i = 0; i < len; ++i) {
+ uint32_t ch = mAlternativeCharCodes[i].mShiftedCharCode;
+ if (!ch) {
+ continue;
+ }
+
+ if (ch != pseudoCharCode) {
+ ShortcutKeyCandidate key(ch, false);
+ aCandidates.AppendElement(key);
+ }
+
+ // If the char is an alphabet, the shift key state should not be
+ // ignored. E.g., Ctrl+Shift+C should not execute Ctrl+C.
+
+ // And checking the charCode is same as unshiftedCharCode too.
+ // E.g., for Ctrl+Shift+(Plus of Numpad) should not run Ctrl+Plus.
+ uint32_t unshiftCh = mAlternativeCharCodes[i].mUnshiftedCharCode;
+ if (CharsCaseInsensitiveEqual(ch, unshiftCh)) {
+ continue;
+ }
+
+ // On the Hebrew keyboard layout on Windows, the unshifted char is a
+ // localized character but the shifted char is a Latin alphabet,
+ // then, we should not execute without the shift state. See bug 433192.
+ if (IsCaseChangeableChar(ch)) {
+ continue;
+ }
+
+ // Setting the alternative charCode candidates for retry without shift
+ // key state only when the shift key is pressed.
+ ShortcutKeyCandidate key(ch, true);
+ aCandidates.AppendElement(key);
+ }
+ }
+
+ // Special case for "Space" key. With some keyboard layouts, "Space" with
+ // or without Shift key causes non-ASCII space. For such keyboard layouts,
+ // we should guarantee that the key press works as an ASCII white space key
+ // press. However, if the space key is assigned to a function key, it
+ // shouldn't work as a space key.
+ if (mKeyNameIndex == KEY_NAME_INDEX_USE_STRING &&
+ mCodeNameIndex == CODE_NAME_INDEX_Space && pseudoCharCode != ' ') {
+ ShortcutKeyCandidate spaceKey(' ', false);
+ aCandidates.AppendElement(spaceKey);
+ }
+}
+
+void WidgetKeyboardEvent::GetAccessKeyCandidates(
+ nsTArray<uint32_t>& aCandidates) const {
+ MOZ_ASSERT(aCandidates.IsEmpty(), "aCandidates must be empty");
+
+ // return the lower cased charCode candidates for access keys.
+ // the priority of the charCodes are:
+ // 0: charCode, 1: unshiftedCharCodes[0], 2: shiftedCharCodes[0]
+ // 3: unshiftedCharCodes[1], 4: shiftedCharCodes[1],...
+ uint32_t pseudoCharCode = PseudoCharCode();
+ if (pseudoCharCode) {
+ uint32_t ch = pseudoCharCode;
+ if (IS_IN_BMP(ch)) {
+ ch = ToLowerCase(static_cast<char16_t>(ch));
+ }
+ aCandidates.AppendElement(ch);
+ }
+ for (uint32_t i = 0; i < mAlternativeCharCodes.Length(); ++i) {
+ uint32_t ch[2] = {mAlternativeCharCodes[i].mUnshiftedCharCode,
+ mAlternativeCharCodes[i].mShiftedCharCode};
+ for (uint32_t j = 0; j < 2; ++j) {
+ if (!ch[j]) {
+ continue;
+ }
+ if (IS_IN_BMP(ch[j])) {
+ ch[j] = ToLowerCase(static_cast<char16_t>(ch[j]));
+ }
+ // Don't append the charcode that was already appended.
+ if (aCandidates.IndexOf(ch[j]) == aCandidates.NoIndex) {
+ aCandidates.AppendElement(ch[j]);
+ }
+ }
+ }
+ // Special case for "Space" key. With some keyboard layouts, "Space" with
+ // or without Shift key causes non-ASCII space. For such keyboard layouts,
+ // we should guarantee that the key press works as an ASCII white space key
+ // press. However, if the space key is assigned to a function key, it
+ // shouldn't work as a space key.
+ if (mKeyNameIndex == KEY_NAME_INDEX_USE_STRING &&
+ mCodeNameIndex == CODE_NAME_INDEX_Space && pseudoCharCode != ' ') {
+ aCandidates.AppendElement(' ');
+ }
+}
+
+// mask values for ui.key.chromeAccess and ui.key.contentAccess
+#define NS_MODIFIER_SHIFT 1
+#define NS_MODIFIER_CONTROL 2
+#define NS_MODIFIER_ALT 4
+#define NS_MODIFIER_META 8
+#define NS_MODIFIER_OS 16
+
+static Modifiers PrefFlagsToModifiers(int32_t aPrefFlags) {
+ Modifiers result = 0;
+ if (aPrefFlags & NS_MODIFIER_SHIFT) {
+ result |= MODIFIER_SHIFT;
+ }
+ if (aPrefFlags & NS_MODIFIER_CONTROL) {
+ result |= MODIFIER_CONTROL;
+ }
+ if (aPrefFlags & NS_MODIFIER_ALT) {
+ result |= MODIFIER_ALT;
+ }
+ if (aPrefFlags & NS_MODIFIER_META) {
+ result |= MODIFIER_META;
+ }
+ if (aPrefFlags & NS_MODIFIER_OS) {
+ result |= MODIFIER_OS;
+ }
+ return result;
+}
+
+bool WidgetKeyboardEvent::ModifiersMatchWithAccessKey(
+ AccessKeyType aType) const {
+ if (!ModifiersForAccessKeyMatching()) {
+ return false;
+ }
+ return ModifiersForAccessKeyMatching() == AccessKeyModifiers(aType);
+}
+
+Modifiers WidgetKeyboardEvent::ModifiersForAccessKeyMatching() const {
+ static const Modifiers kModifierMask = MODIFIER_SHIFT | MODIFIER_CONTROL |
+ MODIFIER_ALT | MODIFIER_META |
+ MODIFIER_OS;
+ return mModifiers & kModifierMask;
+}
+
+/* static */
+Modifiers WidgetKeyboardEvent::AccessKeyModifiers(AccessKeyType aType) {
+ switch (StaticPrefs::ui_key_generalAccessKey()) {
+ case -1:
+ break; // use the individual prefs
+ case NS_VK_SHIFT:
+ return MODIFIER_SHIFT;
+ case NS_VK_CONTROL:
+ return MODIFIER_CONTROL;
+ case NS_VK_ALT:
+ return MODIFIER_ALT;
+ case NS_VK_META:
+ return MODIFIER_META;
+ case NS_VK_WIN:
+ return MODIFIER_OS;
+ default:
+ return MODIFIER_NONE;
+ }
+
+ switch (aType) {
+ case AccessKeyType::eChrome:
+ return PrefFlagsToModifiers(StaticPrefs::ui_key_chromeAccess());
+ case AccessKeyType::eContent:
+ return PrefFlagsToModifiers(StaticPrefs::ui_key_contentAccess());
+ default:
+ return MODIFIER_NONE;
+ }
+}
+
+/* static */
+void WidgetKeyboardEvent::Shutdown() {
+ delete sKeyNameIndexHashtable;
+ sKeyNameIndexHashtable = nullptr;
+ delete sCodeNameIndexHashtable;
+ sCodeNameIndexHashtable = nullptr;
+ // Although sCommandHashtable is not a member of WidgetKeyboardEvent, but
+ // let's delete it here since we need to do it at same time.
+ delete sCommandHashtable;
+ sCommandHashtable = 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");
+
+ // Generate some continuous runs of codes, rather than looking them up.
+ if (aCodeNameIndex >= CODE_NAME_INDEX_KeyA &&
+ aCodeNameIndex <= CODE_NAME_INDEX_KeyZ) {
+ uint32_t index = aCodeNameIndex - CODE_NAME_INDEX_KeyA;
+ aCodeName.AssignLiteral(u"Key");
+ aCodeName.Append(u'A' + index);
+ return;
+ }
+ if (aCodeNameIndex >= CODE_NAME_INDEX_Digit0 &&
+ aCodeNameIndex <= CODE_NAME_INDEX_Digit9) {
+ uint32_t index = aCodeNameIndex - CODE_NAME_INDEX_Digit0;
+ aCodeName.AssignLiteral(u"Digit");
+ aCodeName.AppendInt(index);
+ return;
+ }
+ if (aCodeNameIndex >= CODE_NAME_INDEX_Numpad0 &&
+ aCodeNameIndex <= CODE_NAME_INDEX_Numpad9) {
+ uint32_t index = aCodeNameIndex - CODE_NAME_INDEX_Numpad0;
+ aCodeName.AssignLiteral(u"Numpad");
+ aCodeName.AppendInt(index);
+ return;
+ }
+ if (aCodeNameIndex >= CODE_NAME_INDEX_F1 &&
+ aCodeNameIndex <= CODE_NAME_INDEX_F24) {
+ uint32_t index = aCodeNameIndex - CODE_NAME_INDEX_F1;
+ aCodeName.Assign(u'F');
+ aCodeName.AppendInt(index + 1);
+ return;
+ }
+
+ 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->InsertOrUpdate(nsDependentString(kKeyNames[i]),
+ static_cast<KeyNameIndex>(i));
+ }
+ }
+ return sKeyNameIndexHashtable->MaybeGet(aKeyValue).valueOr(
+ KEY_NAME_INDEX_USE_STRING);
+}
+
+/* static */
+CodeNameIndex WidgetKeyboardEvent::GetCodeNameIndex(
+ const nsAString& aCodeValue) {
+ if (!sCodeNameIndexHashtable) {
+ sCodeNameIndexHashtable =
+ new CodeNameIndexHashtable(ArrayLength(kCodeNames));
+ for (size_t i = 0; i < ArrayLength(kCodeNames); i++) {
+ sCodeNameIndexHashtable->InsertOrUpdate(nsDependentString(kCodeNames[i]),
+ static_cast<CodeNameIndex>(i));
+ }
+ }
+ return sCodeNameIndexHashtable->MaybeGet(aCodeValue)
+ .valueOr(CODE_NAME_INDEX_USE_STRING);
+}
+
+/* static */
+uint32_t WidgetKeyboardEvent::GetFallbackKeyCodeOfPunctuationKey(
+ CodeNameIndex aCodeNameIndex) {
+ switch (aCodeNameIndex) {
+ case CODE_NAME_INDEX_Semicolon: // VK_OEM_1 on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_SEMICOLON;
+ case CODE_NAME_INDEX_Equal: // VK_OEM_PLUS on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_EQUALS;
+ case CODE_NAME_INDEX_Comma: // VK_OEM_COMMA on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_COMMA;
+ case CODE_NAME_INDEX_Minus: // VK_OEM_MINUS on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_HYPHEN_MINUS;
+ case CODE_NAME_INDEX_Period: // VK_OEM_PERIOD on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_PERIOD;
+ case CODE_NAME_INDEX_Slash: // VK_OEM_2 on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_SLASH;
+ case CODE_NAME_INDEX_Backquote: // VK_OEM_3 on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_BACK_QUOTE;
+ case CODE_NAME_INDEX_BracketLeft: // VK_OEM_4 on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_OPEN_BRACKET;
+ case CODE_NAME_INDEX_Backslash: // VK_OEM_5 on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_BACK_SLASH;
+ case CODE_NAME_INDEX_BracketRight: // VK_OEM_6 on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_CLOSE_BRACKET;
+ case CODE_NAME_INDEX_Quote: // VK_OEM_7 on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_QUOTE;
+ case CODE_NAME_INDEX_IntlBackslash: // VK_OEM_5 on Windows (ABNT, etc)
+ case CODE_NAME_INDEX_IntlYen: // VK_OEM_5 on Windows (JIS)
+ case CODE_NAME_INDEX_IntlRo: // VK_OEM_102 on Windows
+ return dom::KeyboardEvent_Binding::DOM_VK_BACK_SLASH;
+ default:
+ return 0;
+ }
+}
+
+/* static */ const char* WidgetKeyboardEvent::GetCommandStr(Command aCommand) {
+#define NS_DEFINE_COMMAND(aName, aCommandStr) , #aCommandStr
+#define NS_DEFINE_COMMAND_WITH_PARAM(aName, aCommandStr, aParam) , #aCommandStr
+#define NS_DEFINE_COMMAND_NO_EXEC_COMMAND(aName) , ""
+ static const char* const kCommands[] = {
+ "" // DoNothing
+#include "mozilla/CommandList.h"
+ };
+#undef NS_DEFINE_COMMAND
+#undef NS_DEFINE_COMMAND_WITH_PARAM
+#undef NS_DEFINE_COMMAND_NO_EXEC_COMMAND
+
+ MOZ_RELEASE_ASSERT(static_cast<size_t>(aCommand) < ArrayLength(kCommands),
+ "Illegal command enumeration value");
+ return kCommands[static_cast<CommandInt>(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 eKeyLocationLeft;
+ case CODE_NAME_INDEX_AltRight:
+ case CODE_NAME_INDEX_ControlRight:
+ case CODE_NAME_INDEX_OSRight:
+ case CODE_NAME_INDEX_ShiftRight:
+ return eKeyLocationRight;
+ 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 eKeyLocationNumpad;
+ default:
+ return eKeyLocationStandard;
+ }
+}
+
+/* static */
+uint32_t WidgetKeyboardEvent::ComputeKeyCodeFromKeyNameIndex(
+ KeyNameIndex aKeyNameIndex) {
+ switch (aKeyNameIndex) {
+ case KEY_NAME_INDEX_Cancel:
+ return dom::KeyboardEvent_Binding::DOM_VK_CANCEL;
+ case KEY_NAME_INDEX_Help:
+ return dom::KeyboardEvent_Binding::DOM_VK_HELP;
+ case KEY_NAME_INDEX_Backspace:
+ return dom::KeyboardEvent_Binding::DOM_VK_BACK_SPACE;
+ case KEY_NAME_INDEX_Tab:
+ return dom::KeyboardEvent_Binding::DOM_VK_TAB;
+ case KEY_NAME_INDEX_Clear:
+ return dom::KeyboardEvent_Binding::DOM_VK_CLEAR;
+ case KEY_NAME_INDEX_Enter:
+ return dom::KeyboardEvent_Binding::DOM_VK_RETURN;
+ case KEY_NAME_INDEX_Shift:
+ return dom::KeyboardEvent_Binding::DOM_VK_SHIFT;
+ case KEY_NAME_INDEX_Control:
+ return dom::KeyboardEvent_Binding::DOM_VK_CONTROL;
+ case KEY_NAME_INDEX_Alt:
+ return dom::KeyboardEvent_Binding::DOM_VK_ALT;
+ case KEY_NAME_INDEX_Pause:
+ return dom::KeyboardEvent_Binding::DOM_VK_PAUSE;
+ case KEY_NAME_INDEX_CapsLock:
+ return dom::KeyboardEvent_Binding::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 dom::KeyboardEvent_Binding::DOM_VK_KANA;
+ case KEY_NAME_INDEX_HangulMode:
+ return dom::KeyboardEvent_Binding::DOM_VK_HANGUL;
+ case KEY_NAME_INDEX_Eisu:
+ return dom::KeyboardEvent_Binding::DOM_VK_EISU;
+ case KEY_NAME_INDEX_JunjaMode:
+ return dom::KeyboardEvent_Binding::DOM_VK_JUNJA;
+ case KEY_NAME_INDEX_FinalMode:
+ return dom::KeyboardEvent_Binding::DOM_VK_FINAL;
+ case KEY_NAME_INDEX_HanjaMode:
+ return dom::KeyboardEvent_Binding::DOM_VK_HANJA;
+ case KEY_NAME_INDEX_KanjiMode:
+ return dom::KeyboardEvent_Binding::DOM_VK_KANJI;
+ case KEY_NAME_INDEX_Escape:
+ return dom::KeyboardEvent_Binding::DOM_VK_ESCAPE;
+ case KEY_NAME_INDEX_Convert:
+ return dom::KeyboardEvent_Binding::DOM_VK_CONVERT;
+ case KEY_NAME_INDEX_NonConvert:
+ return dom::KeyboardEvent_Binding::DOM_VK_NONCONVERT;
+ case KEY_NAME_INDEX_Accept:
+ return dom::KeyboardEvent_Binding::DOM_VK_ACCEPT;
+ case KEY_NAME_INDEX_ModeChange:
+ return dom::KeyboardEvent_Binding::DOM_VK_MODECHANGE;
+ case KEY_NAME_INDEX_PageUp:
+ return dom::KeyboardEvent_Binding::DOM_VK_PAGE_UP;
+ case KEY_NAME_INDEX_PageDown:
+ return dom::KeyboardEvent_Binding::DOM_VK_PAGE_DOWN;
+ case KEY_NAME_INDEX_End:
+ return dom::KeyboardEvent_Binding::DOM_VK_END;
+ case KEY_NAME_INDEX_Home:
+ return dom::KeyboardEvent_Binding::DOM_VK_HOME;
+ case KEY_NAME_INDEX_ArrowLeft:
+ return dom::KeyboardEvent_Binding::DOM_VK_LEFT;
+ case KEY_NAME_INDEX_ArrowUp:
+ return dom::KeyboardEvent_Binding::DOM_VK_UP;
+ case KEY_NAME_INDEX_ArrowRight:
+ return dom::KeyboardEvent_Binding::DOM_VK_RIGHT;
+ case KEY_NAME_INDEX_ArrowDown:
+ return dom::KeyboardEvent_Binding::DOM_VK_DOWN;
+ case KEY_NAME_INDEX_Select:
+ return dom::KeyboardEvent_Binding::DOM_VK_SELECT;
+ case KEY_NAME_INDEX_Print:
+ return dom::KeyboardEvent_Binding::DOM_VK_PRINT;
+ case KEY_NAME_INDEX_Execute:
+ return dom::KeyboardEvent_Binding::DOM_VK_EXECUTE;
+ case KEY_NAME_INDEX_PrintScreen:
+ return dom::KeyboardEvent_Binding::DOM_VK_PRINTSCREEN;
+ case KEY_NAME_INDEX_Insert:
+ return dom::KeyboardEvent_Binding::DOM_VK_INSERT;
+ case KEY_NAME_INDEX_Delete:
+ return dom::KeyboardEvent_Binding::DOM_VK_DELETE;
+ case KEY_NAME_INDEX_OS:
+ // case KEY_NAME_INDEX_Super:
+ // case KEY_NAME_INDEX_Hyper:
+ return dom::KeyboardEvent_Binding::DOM_VK_WIN;
+ case KEY_NAME_INDEX_ContextMenu:
+ return dom::KeyboardEvent_Binding::DOM_VK_CONTEXT_MENU;
+ case KEY_NAME_INDEX_Standby:
+ return dom::KeyboardEvent_Binding::DOM_VK_SLEEP;
+ case KEY_NAME_INDEX_F1:
+ return dom::KeyboardEvent_Binding::DOM_VK_F1;
+ case KEY_NAME_INDEX_F2:
+ return dom::KeyboardEvent_Binding::DOM_VK_F2;
+ case KEY_NAME_INDEX_F3:
+ return dom::KeyboardEvent_Binding::DOM_VK_F3;
+ case KEY_NAME_INDEX_F4:
+ return dom::KeyboardEvent_Binding::DOM_VK_F4;
+ case KEY_NAME_INDEX_F5:
+ return dom::KeyboardEvent_Binding::DOM_VK_F5;
+ case KEY_NAME_INDEX_F6:
+ return dom::KeyboardEvent_Binding::DOM_VK_F6;
+ case KEY_NAME_INDEX_F7:
+ return dom::KeyboardEvent_Binding::DOM_VK_F7;
+ case KEY_NAME_INDEX_F8:
+ return dom::KeyboardEvent_Binding::DOM_VK_F8;
+ case KEY_NAME_INDEX_F9:
+ return dom::KeyboardEvent_Binding::DOM_VK_F9;
+ case KEY_NAME_INDEX_F10:
+ return dom::KeyboardEvent_Binding::DOM_VK_F10;
+ case KEY_NAME_INDEX_F11:
+ return dom::KeyboardEvent_Binding::DOM_VK_F11;
+ case KEY_NAME_INDEX_F12:
+ return dom::KeyboardEvent_Binding::DOM_VK_F12;
+ case KEY_NAME_INDEX_F13:
+ return dom::KeyboardEvent_Binding::DOM_VK_F13;
+ case KEY_NAME_INDEX_F14:
+ return dom::KeyboardEvent_Binding::DOM_VK_F14;
+ case KEY_NAME_INDEX_F15:
+ return dom::KeyboardEvent_Binding::DOM_VK_F15;
+ case KEY_NAME_INDEX_F16:
+ return dom::KeyboardEvent_Binding::DOM_VK_F16;
+ case KEY_NAME_INDEX_F17:
+ return dom::KeyboardEvent_Binding::DOM_VK_F17;
+ case KEY_NAME_INDEX_F18:
+ return dom::KeyboardEvent_Binding::DOM_VK_F18;
+ case KEY_NAME_INDEX_F19:
+ return dom::KeyboardEvent_Binding::DOM_VK_F19;
+ case KEY_NAME_INDEX_F20:
+ return dom::KeyboardEvent_Binding::DOM_VK_F20;
+ case KEY_NAME_INDEX_F21:
+ return dom::KeyboardEvent_Binding::DOM_VK_F21;
+ case KEY_NAME_INDEX_F22:
+ return dom::KeyboardEvent_Binding::DOM_VK_F22;
+ case KEY_NAME_INDEX_F23:
+ return dom::KeyboardEvent_Binding::DOM_VK_F23;
+ case KEY_NAME_INDEX_F24:
+ return dom::KeyboardEvent_Binding::DOM_VK_F24;
+ case KEY_NAME_INDEX_NumLock:
+ return dom::KeyboardEvent_Binding::DOM_VK_NUM_LOCK;
+ case KEY_NAME_INDEX_ScrollLock:
+ return dom::KeyboardEvent_Binding::DOM_VK_SCROLL_LOCK;
+ case KEY_NAME_INDEX_AudioVolumeMute:
+ return dom::KeyboardEvent_Binding::DOM_VK_VOLUME_MUTE;
+ case KEY_NAME_INDEX_AudioVolumeDown:
+ return dom::KeyboardEvent_Binding::DOM_VK_VOLUME_DOWN;
+ case KEY_NAME_INDEX_AudioVolumeUp:
+ return dom::KeyboardEvent_Binding::DOM_VK_VOLUME_UP;
+ case KEY_NAME_INDEX_Meta:
+ return dom::KeyboardEvent_Binding::DOM_VK_META;
+ case KEY_NAME_INDEX_AltGraph:
+ return dom::KeyboardEvent_Binding::DOM_VK_ALTGR;
+ case KEY_NAME_INDEX_Process:
+ return dom::KeyboardEvent_Binding::DOM_VK_PROCESSKEY;
+ case KEY_NAME_INDEX_Attn:
+ return dom::KeyboardEvent_Binding::DOM_VK_ATTN;
+ case KEY_NAME_INDEX_CrSel:
+ return dom::KeyboardEvent_Binding::DOM_VK_CRSEL;
+ case KEY_NAME_INDEX_ExSel:
+ return dom::KeyboardEvent_Binding::DOM_VK_EXSEL;
+ case KEY_NAME_INDEX_EraseEof:
+ return dom::KeyboardEvent_Binding::DOM_VK_EREOF;
+ case KEY_NAME_INDEX_Play:
+ return dom::KeyboardEvent_Binding::DOM_VK_PLAY;
+ case KEY_NAME_INDEX_ZoomToggle:
+ case KEY_NAME_INDEX_ZoomIn:
+ case KEY_NAME_INDEX_ZoomOut:
+ return dom::KeyboardEvent_Binding::DOM_VK_ZOOM;
+ default:
+ return 0;
+ }
+}
+
+/* static */
+CodeNameIndex WidgetKeyboardEvent::ComputeCodeNameIndexFromKeyNameIndex(
+ KeyNameIndex aKeyNameIndex, const Maybe<uint32_t>& aLocation) {
+ if (aLocation.isSome() &&
+ aLocation.value() ==
+ dom::KeyboardEvent_Binding::DOM_KEY_LOCATION_NUMPAD) {
+ // On macOS, NumLock is not supported. Therefore, this handles
+ // control key values except "Enter" only on non-macOS platforms.
+ switch (aKeyNameIndex) {
+#ifndef XP_MACOSX
+ case KEY_NAME_INDEX_Insert:
+ return CODE_NAME_INDEX_Numpad0;
+ case KEY_NAME_INDEX_End:
+ return CODE_NAME_INDEX_Numpad1;
+ case KEY_NAME_INDEX_ArrowDown:
+ return CODE_NAME_INDEX_Numpad2;
+ case KEY_NAME_INDEX_PageDown:
+ return CODE_NAME_INDEX_Numpad3;
+ case KEY_NAME_INDEX_ArrowLeft:
+ return CODE_NAME_INDEX_Numpad4;
+ case KEY_NAME_INDEX_Clear:
+ // FYI: "Clear" on macOS should be DOM_KEY_LOCATION_STANDARD.
+ return CODE_NAME_INDEX_Numpad5;
+ case KEY_NAME_INDEX_ArrowRight:
+ return CODE_NAME_INDEX_Numpad6;
+ case KEY_NAME_INDEX_Home:
+ return CODE_NAME_INDEX_Numpad7;
+ case KEY_NAME_INDEX_ArrowUp:
+ return CODE_NAME_INDEX_Numpad8;
+ case KEY_NAME_INDEX_PageUp:
+ return CODE_NAME_INDEX_Numpad9;
+ case KEY_NAME_INDEX_Delete:
+ return CODE_NAME_INDEX_NumpadDecimal;
+#endif // #ifndef XP_MACOSX
+ case KEY_NAME_INDEX_Enter:
+ return CODE_NAME_INDEX_NumpadEnter;
+ default:
+ return CODE_NAME_INDEX_UNKNOWN;
+ }
+ }
+
+ if (WidgetKeyboardEvent::IsLeftOrRightModiferKeyNameIndex(aKeyNameIndex)) {
+ if (aLocation.isSome() &&
+ (aLocation.value() !=
+ dom::KeyboardEvent_Binding::DOM_KEY_LOCATION_LEFT &&
+ aLocation.value() !=
+ dom::KeyboardEvent_Binding::DOM_KEY_LOCATION_RIGHT)) {
+ return CODE_NAME_INDEX_UNKNOWN;
+ }
+ bool isRight =
+ aLocation.isSome() &&
+ aLocation.value() == dom::KeyboardEvent_Binding::DOM_KEY_LOCATION_RIGHT;
+ switch (aKeyNameIndex) {
+ case KEY_NAME_INDEX_Alt:
+ return isRight ? CODE_NAME_INDEX_AltRight : CODE_NAME_INDEX_AltLeft;
+ case KEY_NAME_INDEX_Control:
+ return isRight ? CODE_NAME_INDEX_ControlRight
+ : CODE_NAME_INDEX_ControlLeft;
+ case KEY_NAME_INDEX_Shift:
+ return isRight ? CODE_NAME_INDEX_ShiftRight : CODE_NAME_INDEX_ShiftLeft;
+#if defined(XP_WIN)
+ case KEY_NAME_INDEX_Meta:
+ return CODE_NAME_INDEX_UNKNOWN;
+ case KEY_NAME_INDEX_OS: // win key.
+ return isRight ? CODE_NAME_INDEX_OSRight : CODE_NAME_INDEX_OSLeft;
+#elif defined(XP_MACOSX) || defined(ANDROID)
+ case KEY_NAME_INDEX_Meta: // command key.
+ return isRight ? CODE_NAME_INDEX_OSRight : CODE_NAME_INDEX_OSLeft;
+ case KEY_NAME_INDEX_OS:
+ return CODE_NAME_INDEX_UNKNOWN;
+#else
+ case KEY_NAME_INDEX_Meta: // Alt + Shift.
+ return isRight ? CODE_NAME_INDEX_AltRight : CODE_NAME_INDEX_AltLeft;
+ case KEY_NAME_INDEX_OS: // Super/Hyper key.
+ return isRight ? CODE_NAME_INDEX_OSRight : CODE_NAME_INDEX_OSLeft;
+#endif
+ default:
+ return CODE_NAME_INDEX_UNKNOWN;
+ }
+ }
+
+ if (aLocation.isSome() &&
+ aLocation.value() !=
+ dom::KeyboardEvent_Binding::DOM_KEY_LOCATION_STANDARD) {
+ return CODE_NAME_INDEX_UNKNOWN;
+ }
+
+ switch (aKeyNameIndex) {
+ // Standard section:
+ case KEY_NAME_INDEX_Escape:
+ return CODE_NAME_INDEX_Escape;
+ case KEY_NAME_INDEX_Tab:
+ return CODE_NAME_INDEX_Tab;
+ case KEY_NAME_INDEX_CapsLock:
+ return CODE_NAME_INDEX_CapsLock;
+ case KEY_NAME_INDEX_ContextMenu:
+ return CODE_NAME_INDEX_ContextMenu;
+ case KEY_NAME_INDEX_Backspace:
+ return CODE_NAME_INDEX_Backspace;
+ case KEY_NAME_INDEX_Enter:
+ return CODE_NAME_INDEX_Enter;
+#ifdef XP_MACOSX
+ // Although, macOS does not fire native key event of "Fn" key, we support
+ // Fn key event if it's sent by other apps directly.
+ case KEY_NAME_INDEX_Fn:
+ return CODE_NAME_INDEX_Fn;
+#endif // #ifdef
+
+ // Arrow Pad section:
+ case KEY_NAME_INDEX_ArrowLeft:
+ return CODE_NAME_INDEX_ArrowLeft;
+ case KEY_NAME_INDEX_ArrowUp:
+ return CODE_NAME_INDEX_ArrowUp;
+ case KEY_NAME_INDEX_ArrowDown:
+ return CODE_NAME_INDEX_ArrowDown;
+ case KEY_NAME_INDEX_ArrowRight:
+ return CODE_NAME_INDEX_ArrowRight;
+
+ // Control Pad section:
+#ifndef XP_MACOSX
+ case KEY_NAME_INDEX_Insert:
+ return CODE_NAME_INDEX_Insert;
+#else
+ case KEY_NAME_INDEX_Help:
+ return CODE_NAME_INDEX_Help;
+#endif // #ifndef XP_MACOSX #else
+ case KEY_NAME_INDEX_Delete:
+ return CODE_NAME_INDEX_Delete;
+ case KEY_NAME_INDEX_Home:
+ return CODE_NAME_INDEX_Home;
+ case KEY_NAME_INDEX_End:
+ return CODE_NAME_INDEX_End;
+ case KEY_NAME_INDEX_PageUp:
+ return CODE_NAME_INDEX_PageUp;
+ case KEY_NAME_INDEX_PageDown:
+ return CODE_NAME_INDEX_PageDown;
+
+ // Function keys:
+ case KEY_NAME_INDEX_F1:
+ return CODE_NAME_INDEX_F1;
+ case KEY_NAME_INDEX_F2:
+ return CODE_NAME_INDEX_F2;
+ case KEY_NAME_INDEX_F3:
+ return CODE_NAME_INDEX_F3;
+ case KEY_NAME_INDEX_F4:
+ return CODE_NAME_INDEX_F4;
+ case KEY_NAME_INDEX_F5:
+ return CODE_NAME_INDEX_F5;
+ case KEY_NAME_INDEX_F6:
+ return CODE_NAME_INDEX_F6;
+ case KEY_NAME_INDEX_F7:
+ return CODE_NAME_INDEX_F7;
+ case KEY_NAME_INDEX_F8:
+ return CODE_NAME_INDEX_F8;
+ case KEY_NAME_INDEX_F9:
+ return CODE_NAME_INDEX_F9;
+ case KEY_NAME_INDEX_F10:
+ return CODE_NAME_INDEX_F10;
+ case KEY_NAME_INDEX_F11:
+ return CODE_NAME_INDEX_F11;
+ case KEY_NAME_INDEX_F12:
+ return CODE_NAME_INDEX_F12;
+ case KEY_NAME_INDEX_F13:
+ return CODE_NAME_INDEX_F13;
+ case KEY_NAME_INDEX_F14:
+ return CODE_NAME_INDEX_F14;
+ case KEY_NAME_INDEX_F15:
+ return CODE_NAME_INDEX_F15;
+ case KEY_NAME_INDEX_F16:
+ return CODE_NAME_INDEX_F16;
+ case KEY_NAME_INDEX_F17:
+ return CODE_NAME_INDEX_F17;
+ case KEY_NAME_INDEX_F18:
+ return CODE_NAME_INDEX_F18;
+ case KEY_NAME_INDEX_F19:
+ return CODE_NAME_INDEX_F19;
+ case KEY_NAME_INDEX_F20:
+ return CODE_NAME_INDEX_F20;
+#ifndef XP_MACOSX
+ case KEY_NAME_INDEX_F21:
+ return CODE_NAME_INDEX_F21;
+ case KEY_NAME_INDEX_F22:
+ return CODE_NAME_INDEX_F22;
+ case KEY_NAME_INDEX_F23:
+ return CODE_NAME_INDEX_F23;
+ case KEY_NAME_INDEX_F24:
+ return CODE_NAME_INDEX_F24;
+ case KEY_NAME_INDEX_Pause:
+ return CODE_NAME_INDEX_Pause;
+ case KEY_NAME_INDEX_PrintScreen:
+ return CODE_NAME_INDEX_PrintScreen;
+ case KEY_NAME_INDEX_ScrollLock:
+ return CODE_NAME_INDEX_ScrollLock;
+#endif // #ifndef XP_MACOSX
+
+ // NumLock key:
+#ifndef XP_MACOSX
+ case KEY_NAME_INDEX_NumLock:
+ return CODE_NAME_INDEX_NumLock;
+#else
+ case KEY_NAME_INDEX_Clear:
+ return CODE_NAME_INDEX_NumLock;
+#endif // #ifndef XP_MACOSX #else
+
+ // Media keys:
+ case KEY_NAME_INDEX_AudioVolumeDown:
+ return CODE_NAME_INDEX_VolumeDown;
+ case KEY_NAME_INDEX_AudioVolumeMute:
+ return CODE_NAME_INDEX_VolumeMute;
+ case KEY_NAME_INDEX_AudioVolumeUp:
+ return CODE_NAME_INDEX_VolumeUp;
+#ifndef XP_MACOSX
+ case KEY_NAME_INDEX_BrowserBack:
+ return CODE_NAME_INDEX_BrowserBack;
+ case KEY_NAME_INDEX_BrowserFavorites:
+ return CODE_NAME_INDEX_BrowserFavorites;
+ case KEY_NAME_INDEX_BrowserForward:
+ return CODE_NAME_INDEX_BrowserForward;
+ case KEY_NAME_INDEX_BrowserRefresh:
+ return CODE_NAME_INDEX_BrowserRefresh;
+ case KEY_NAME_INDEX_BrowserSearch:
+ return CODE_NAME_INDEX_BrowserSearch;
+ case KEY_NAME_INDEX_BrowserStop:
+ return CODE_NAME_INDEX_BrowserStop;
+ case KEY_NAME_INDEX_MediaPlayPause:
+ return CODE_NAME_INDEX_MediaPlayPause;
+ case KEY_NAME_INDEX_MediaStop:
+ return CODE_NAME_INDEX_MediaStop;
+ case KEY_NAME_INDEX_MediaTrackNext:
+ return CODE_NAME_INDEX_MediaTrackNext;
+ case KEY_NAME_INDEX_MediaTrackPrevious:
+ return CODE_NAME_INDEX_MediaTrackPrevious;
+ case KEY_NAME_INDEX_LaunchApplication1:
+ return CODE_NAME_INDEX_LaunchApp1;
+#endif // #ifndef XP_MACOSX
+
+ // Only Windows and GTK supports the following multimedia keys.
+#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
+ case KEY_NAME_INDEX_BrowserHome:
+ return CODE_NAME_INDEX_BrowserHome;
+ case KEY_NAME_INDEX_LaunchApplication2:
+ return CODE_NAME_INDEX_LaunchApp2;
+#endif // #if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
+
+ // Only GTK and Android supports the following multimedia keys.
+#if defined(MOZ_WIDGET_GTK) || defined(ANDROID)
+ case KEY_NAME_INDEX_Eject:
+ return CODE_NAME_INDEX_Eject;
+ case KEY_NAME_INDEX_WakeUp:
+ return CODE_NAME_INDEX_WakeUp;
+#endif // #if defined(MOZ_WIDGET_GTK) || defined(ANDROID)
+
+ // Only Windows does not support Help key (and macOS handled above).
+#if !defined(XP_WIN) && !defined(XP_MACOSX)
+ case KEY_NAME_INDEX_Help:
+ return CODE_NAME_INDEX_Help;
+#endif // #if !defined(XP_WIN) && !defined(XP_MACOSX)
+
+ // IME specific keys:
+#ifdef XP_WIN
+ case KEY_NAME_INDEX_Convert:
+ return CODE_NAME_INDEX_Convert;
+ case KEY_NAME_INDEX_NonConvert:
+ return CODE_NAME_INDEX_NonConvert;
+ case KEY_NAME_INDEX_Alphanumeric:
+ return CODE_NAME_INDEX_CapsLock;
+ case KEY_NAME_INDEX_KanaMode:
+ case KEY_NAME_INDEX_Romaji:
+ case KEY_NAME_INDEX_Katakana:
+ case KEY_NAME_INDEX_Hiragana:
+ return CODE_NAME_INDEX_KanaMode;
+ case KEY_NAME_INDEX_Hankaku:
+ case KEY_NAME_INDEX_Zenkaku:
+ case KEY_NAME_INDEX_KanjiMode:
+ return CODE_NAME_INDEX_Backquote;
+ case KEY_NAME_INDEX_HanjaMode:
+ return CODE_NAME_INDEX_Lang2;
+ case KEY_NAME_INDEX_HangulMode:
+ return CODE_NAME_INDEX_Lang1;
+#endif // #ifdef XP_WIN
+
+#ifdef MOZ_WIDGET_GTK
+ case KEY_NAME_INDEX_Convert:
+ return CODE_NAME_INDEX_Convert;
+ case KEY_NAME_INDEX_NonConvert:
+ return CODE_NAME_INDEX_NonConvert;
+ case KEY_NAME_INDEX_Alphanumeric:
+ return CODE_NAME_INDEX_CapsLock;
+ case KEY_NAME_INDEX_HiraganaKatakana:
+ return CODE_NAME_INDEX_KanaMode;
+ case KEY_NAME_INDEX_ZenkakuHankaku:
+ return CODE_NAME_INDEX_Backquote;
+#endif // #ifdef MOZ_WIDGET_GTK
+
+#ifdef ANDROID
+ case KEY_NAME_INDEX_Convert:
+ return CODE_NAME_INDEX_Convert;
+ case KEY_NAME_INDEX_NonConvert:
+ return CODE_NAME_INDEX_NonConvert;
+ case KEY_NAME_INDEX_HiraganaKatakana:
+ return CODE_NAME_INDEX_KanaMode;
+ case KEY_NAME_INDEX_ZenkakuHankaku:
+ return CODE_NAME_INDEX_Backquote;
+ case KEY_NAME_INDEX_Eisu:
+ return CODE_NAME_INDEX_Lang2;
+ case KEY_NAME_INDEX_KanjiMode:
+ return CODE_NAME_INDEX_Lang1;
+#endif // #ifdef ANDROID
+
+#ifdef XP_MACOSX
+ case KEY_NAME_INDEX_Eisu:
+ return CODE_NAME_INDEX_Lang2;
+ case KEY_NAME_INDEX_KanjiMode:
+ return CODE_NAME_INDEX_Lang1;
+#endif // #ifdef XP_MACOSX
+
+ default:
+ return CODE_NAME_INDEX_UNKNOWN;
+ }
+}
+
+/* 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;
+ }
+}
+
+/******************************************************************************
+ * mozilla::InternalEditorInputEvent (TextEvents.h)
+ ******************************************************************************/
+
+#define NS_DEFINE_INPUTTYPE(aCPPName, aDOMName) (u"" aDOMName),
+const char16_t* const InternalEditorInputEvent::kInputTypeNames[] = {
+#include "mozilla/InputTypeList.h"
+};
+#undef NS_DEFINE_INPUTTYPE
+
+InternalEditorInputEvent::InputTypeHashtable*
+ InternalEditorInputEvent::sInputTypeHashtable = nullptr;
+
+/* static */
+void InternalEditorInputEvent::Shutdown() {
+ delete sInputTypeHashtable;
+ sInputTypeHashtable = nullptr;
+}
+
+/* static */
+void InternalEditorInputEvent::GetDOMInputTypeName(EditorInputType aInputType,
+ nsAString& aInputTypeName) {
+ if (static_cast<size_t>(aInputType) >=
+ static_cast<size_t>(EditorInputType::eUnknown)) {
+ aInputTypeName.Truncate();
+ return;
+ }
+
+ MOZ_RELEASE_ASSERT(
+ static_cast<size_t>(aInputType) < ArrayLength(kInputTypeNames),
+ "Illegal input type enumeration value");
+ aInputTypeName.Assign(kInputTypeNames[static_cast<size_t>(aInputType)]);
+}
+
+/* static */
+EditorInputType InternalEditorInputEvent::GetEditorInputType(
+ const nsAString& aInputType) {
+ if (aInputType.IsEmpty()) {
+ return EditorInputType::eUnknown;
+ }
+
+ if (!sInputTypeHashtable) {
+ sInputTypeHashtable = new InputTypeHashtable(ArrayLength(kInputTypeNames));
+ for (size_t i = 0; i < ArrayLength(kInputTypeNames); i++) {
+ sInputTypeHashtable->InsertOrUpdate(nsDependentString(kInputTypeNames[i]),
+ static_cast<EditorInputType>(i));
+ }
+ }
+ return sInputTypeHashtable->MaybeGet(aInputType)
+ .valueOr(EditorInputType::eUnknown);
+}
+
+} // namespace mozilla