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gecko-dev/widget/cocoa/nsMenuBarX.mm

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/* -*- 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 <objc/objc-runtime.h>
#include "nsMenuBarX.h"
#include "nsMenuX.h"
#include "nsMenuItemX.h"
#include "nsMenuUtilsX.h"
#include "nsCocoaUtils.h"
#include "nsChildView.h"
#include "nsCOMPtr.h"
#include "nsString.h"
#include "nsGkAtoms.h"
#include "nsObjCExceptions.h"
#include "nsThreadUtils.h"
#include "nsTouchBarNativeAPIDefines.h"
#include "nsIContent.h"
#include "nsIWidget.h"
#include "mozilla/dom/Document.h"
#include "nsIAppStartup.h"
#include "nsIStringBundle.h"
#include "nsToolkitCompsCID.h"
#include "mozilla/Components.h"
#include "mozilla/dom/Element.h"
using namespace mozilla;
using mozilla::dom::Element;
NativeMenuItemTarget* nsMenuBarX::sNativeEventTarget = nil;
nsMenuBarX* nsMenuBarX::sLastGeckoMenuBarPainted = nullptr;
NSMenu* sApplicationMenu = nil;
BOOL sApplicationMenuIsFallback = NO;
BOOL gSomeMenuBarPainted = NO;
// defined in nsCocoaWindow.mm.
extern BOOL sTouchBarIsInitialized;
// We keep references to the first quit and pref item content nodes we find, which
// will be from the hidden window. We use these when the document for the current
// window does not have a quit or pref item. We don't need strong refs here because
// these items are always strong ref'd by their owning menu bar (instance variable).
static nsIContent* sAboutItemContent = nullptr;
static nsIContent* sPrefItemContent = nullptr;
static nsIContent* sAccountItemContent = nullptr;
static nsIContent* sQuitItemContent = nullptr;
//
// ApplicationMenuDelegate Objective-C class
//
@implementation ApplicationMenuDelegate
- (id)initWithApplicationMenu:(nsMenuBarX*)aApplicationMenu {
if ((self = [super init])) {
mApplicationMenu = aApplicationMenu;
}
return self;
}
- (void)menuWillOpen:(NSMenu*)menu {
mApplicationMenu->ApplicationMenuOpened();
}
- (void)menuDidClose:(NSMenu*)menu {
}
@end
nsMenuBarX::nsMenuBarX(mozilla::dom::Element* aElement)
: mNeedsRebuild(false), mApplicationMenuDelegate(nil) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
mMenuGroupOwner = new nsMenuGroupOwnerX(aElement, this);
mMenuGroupOwner->RegisterForLocaleChanges();
mNativeMenu = [[GeckoNSMenu alloc] initWithTitle:@"MainMenuBar"];
mContent = aElement;
if (mContent) {
AquifyMenuBar();
mMenuGroupOwner->RegisterForContentChanges(mContent, this);
ConstructNativeMenus();
} else {
ConstructFallbackNativeMenus();
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsMenuBarX::~nsMenuBarX() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (nsMenuBarX::sLastGeckoMenuBarPainted == this) {
nsMenuBarX::sLastGeckoMenuBarPainted = nullptr;
}
// the quit/pref items of a random window might have been used if there was no
// hidden window, thus we need to invalidate the weak references.
if (sAboutItemContent == mAboutItemContent) {
sAboutItemContent = nullptr;
}
if (sQuitItemContent == mQuitItemContent) {
sQuitItemContent = nullptr;
}
if (sPrefItemContent == mPrefItemContent) {
sPrefItemContent = nullptr;
}
if (sAccountItemContent == mAccountItemContent) {
sAccountItemContent = nullptr;
}
mMenuGroupOwner->UnregisterForLocaleChanges();
// make sure we unregister ourselves as a content observer
if (mContent) {
mMenuGroupOwner->UnregisterForContentChanges(mContent);
}
for (nsMenuX* menu : mMenuArray) {
menu->DetachFromGroupOwnerRecursive();
menu->DetachFromParent();
}
if (mApplicationMenuDelegate) {
[mApplicationMenuDelegate release];
}
[mNativeMenu release];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsMenuBarX::ConstructNativeMenus() {
for (nsIContent* menuContent = mContent->GetFirstChild(); menuContent;
menuContent = menuContent->GetNextSibling()) {
if (menuContent->IsXULElement(nsGkAtoms::menu)) {
InsertMenuAtIndex(MakeRefPtr<nsMenuX>(this, mMenuGroupOwner, menuContent->AsElement()),
GetMenuCount());
}
}
}
void nsMenuBarX::ConstructFallbackNativeMenus() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (sApplicationMenu) {
// Menu has already been built.
return;
}
nsCOMPtr<nsIStringBundle> stringBundle;
nsCOMPtr<nsIStringBundleService> bundleSvc = do_GetService(NS_STRINGBUNDLE_CONTRACTID);
bundleSvc->CreateBundle("chrome://global/locale/fallbackMenubar.properties",
getter_AddRefs(stringBundle));
if (!stringBundle) {
return;
}
nsAutoString labelUTF16;
nsAutoString keyUTF16;
const char* labelProp = "quitMenuitem.label";
const char* keyProp = "quitMenuitem.key";
stringBundle->GetStringFromName(labelProp, labelUTF16);
stringBundle->GetStringFromName(keyProp, keyUTF16);
NSString* labelStr = [NSString stringWithUTF8String:NS_ConvertUTF16toUTF8(labelUTF16).get()];
NSString* keyStr = [NSString stringWithUTF8String:NS_ConvertUTF16toUTF8(keyUTF16).get()];
if (!nsMenuBarX::sNativeEventTarget) {
nsMenuBarX::sNativeEventTarget = [[NativeMenuItemTarget alloc] init];
}
sApplicationMenu = [[[[NSApp mainMenu] itemAtIndex:0] submenu] retain];
if (!mApplicationMenuDelegate) {
mApplicationMenuDelegate = [[ApplicationMenuDelegate alloc] initWithApplicationMenu:this];
}
sApplicationMenu.delegate = mApplicationMenuDelegate;
NSMenuItem* quitMenuItem = [[[NSMenuItem alloc] initWithTitle:labelStr
action:@selector(menuItemHit:)
keyEquivalent:keyStr] autorelease];
quitMenuItem.target = nsMenuBarX::sNativeEventTarget;
quitMenuItem.tag = eCommand_ID_Quit;
[sApplicationMenu addItem:quitMenuItem];
sApplicationMenuIsFallback = YES;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
uint32_t nsMenuBarX::GetMenuCount() { return mMenuArray.Length(); }
bool nsMenuBarX::MenuContainsAppMenu() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
return (mNativeMenu.numberOfItems > 0 && [mNativeMenu itemAtIndex:0].submenu == sApplicationMenu);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsMenuBarX::InsertMenuAtIndex(RefPtr<nsMenuX>&& aMenu, uint32_t aIndex) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// If we've only yet created a fallback global Application menu (using
// ContructFallbackNativeMenus()), destroy it before recreating it properly.
if (sApplicationMenu && sApplicationMenuIsFallback) {
ResetNativeApplicationMenu();
}
// If we haven't created a global Application menu yet, do it.
if (!sApplicationMenu) {
CreateApplicationMenu(aMenu.get());
// Hook the new Application menu up to the menu bar.
NSMenu* mainMenu = NSApp.mainMenu;
NS_ASSERTION(mainMenu.numberOfItems > 0,
"Main menu does not have any items, something is terribly wrong!");
[mainMenu itemAtIndex:0].submenu = sApplicationMenu;
}
// add menu to array that owns our menus
mMenuArray.InsertElementAt(aIndex, aMenu);
// hook up submenus
RefPtr<nsIContent> menuContent = aMenu->Content();
if (menuContent->GetChildCount() > 0 && !nsMenuUtilsX::NodeIsHiddenOrCollapsed(menuContent)) {
MenuChildChangedVisibility(MenuChild(aMenu), true);
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsMenuBarX::RemoveMenuAtIndex(uint32_t aIndex) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mMenuArray.Length() <= aIndex) {
NS_ERROR("Attempting submenu removal with bad index!");
return;
}
RefPtr<nsMenuX> menu = mMenuArray[aIndex];
mMenuArray.RemoveElementAt(aIndex);
menu->DetachFromGroupOwnerRecursive();
menu->DetachFromParent();
// Our native menu and our internal menu object array might be out of sync.
// This happens, for example, when a submenu is hidden. Because of this we
// should not assume that a native submenu is hooked up.
NSMenuItem* nativeMenuItem = menu->NativeNSMenuItem();
int nativeMenuItemIndex = [mNativeMenu indexOfItem:nativeMenuItem];
if (nativeMenuItemIndex != -1) {
[mNativeMenu removeItemAtIndex:nativeMenuItemIndex];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsMenuBarX::ObserveAttributeChanged(mozilla::dom::Document* aDocument, nsIContent* aContent,
nsAtom* aAttribute) {}
void nsMenuBarX::ObserveContentRemoved(mozilla::dom::Document* aDocument, nsIContent* aContainer,
nsIContent* aChild, nsIContent* aPreviousSibling) {
nsINode* parent = NODE_FROM(aContainer, aDocument);
MOZ_ASSERT(parent);
const Maybe<uint32_t> index = parent->ComputeIndexOf(aPreviousSibling);
MOZ_ASSERT(*index != UINT32_MAX);
RemoveMenuAtIndex(index.isSome() ? *index + 1u : 0u);
}
void nsMenuBarX::ObserveContentInserted(mozilla::dom::Document* aDocument, nsIContent* aContainer,
nsIContent* aChild) {
InsertMenuAtIndex(MakeRefPtr<nsMenuX>(this, mMenuGroupOwner, aChild),
aContainer->ComputeIndexOf(aChild).valueOr(UINT32_MAX));
}
void nsMenuBarX::ForceUpdateNativeMenuAt(const nsAString& aIndexString) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NSString* locationString =
[NSString stringWithCharacters:reinterpret_cast<const unichar*>(aIndexString.BeginReading())
length:aIndexString.Length()];
NSArray* indexes = [locationString componentsSeparatedByString:@"|"];
unsigned int indexCount = indexes.count;
if (indexCount == 0) {
return;
}
RefPtr<nsMenuX> currentMenu = nullptr;
int targetIndex = [[indexes objectAtIndex:0] intValue];
int visible = 0;
uint32_t length = mMenuArray.Length();
// first find a menu in the menu bar
for (unsigned int i = 0; i < length; i++) {
RefPtr<nsMenuX> menu = mMenuArray[i];
if (!nsMenuUtilsX::NodeIsHiddenOrCollapsed(menu->Content())) {
visible++;
if (visible == (targetIndex + 1)) {
currentMenu = std::move(menu);
break;
}
}
}
if (!currentMenu) {
return;
}
// fake open/close to cause lazy update to happen so submenus populate
currentMenu->MenuOpened();
currentMenu->MenuClosed();
// now find the correct submenu
for (unsigned int i = 1; currentMenu && i < indexCount; i++) {
targetIndex = [[indexes objectAtIndex:i] intValue];
visible = 0;
length = currentMenu->GetItemCount();
for (unsigned int j = 0; j < length; j++) {
Maybe<nsMenuX::MenuChild> targetMenu = currentMenu->GetItemAt(j);
if (!targetMenu) {
return;
}
RefPtr<nsIContent> content = targetMenu->match(
[](const RefPtr<nsMenuX>& aMenu) { return aMenu->Content(); },
[](const RefPtr<nsMenuItemX>& aMenuItem) { return aMenuItem->Content(); });
if (!nsMenuUtilsX::NodeIsHiddenOrCollapsed(content)) {
visible++;
if (targetMenu->is<RefPtr<nsMenuX>>() && visible == (targetIndex + 1)) {
currentMenu = targetMenu->as<RefPtr<nsMenuX>>();
// fake open/close to cause lazy update to happen
currentMenu->MenuOpened();
currentMenu->MenuClosed();
break;
}
}
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Calling this forces a full reload of the menu system, reloading all native
// menus and their items.
// Without this testing is hard because changes to the DOM affect the native
// menu system lazily.
void nsMenuBarX::ForceNativeMenuReload() {
// tear down everything
while (GetMenuCount() > 0) {
RemoveMenuAtIndex(0);
}
// construct everything
ConstructNativeMenus();
}
nsMenuX* nsMenuBarX::GetMenuAt(uint32_t aIndex) {
if (mMenuArray.Length() <= aIndex) {
NS_ERROR("Requesting menu at invalid index!");
return nullptr;
}
return mMenuArray[aIndex].get();
}
nsMenuX* nsMenuBarX::GetXULHelpMenu() {
// The Help menu is usually (always?) the last one, so we start there and
// count back.
for (int32_t i = GetMenuCount() - 1; i >= 0; --i) {
nsMenuX* aMenu = GetMenuAt(i);
if (aMenu && nsMenuX::IsXULHelpMenu(aMenu->Content())) {
return aMenu;
}
}
return nil;
}
// On SnowLeopard and later we must tell the OS which is our Help menu.
// Otherwise it will only add Spotlight for Help (the Search item) to our
// Help menu if its label/title is "Help" -- i.e. if the menu is in English.
// This resolves bugs 489196 and 539317.
void nsMenuBarX::SetSystemHelpMenu() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsMenuX* xulHelpMenu = GetXULHelpMenu();
if (xulHelpMenu) {
NSMenu* helpMenu = xulHelpMenu->NativeNSMenu();
if (helpMenu) {
NSApp.helpMenu = helpMenu;
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsresult nsMenuBarX::Paint() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// Don't try to optimize anything in this painting by checking
// sLastGeckoMenuBarPainted because the menubar can be manipulated by
// native dialogs and sheet code and other things besides this paint method.
// We have to keep the same menu item for the Application menu so we keep
// passing it along.
NSMenu* outgoingMenu = NSApp.mainMenu;
NS_ASSERTION(outgoingMenu.numberOfItems > 0,
"Main menu does not have any items, something is terribly wrong!");
NSMenuItem* appMenuItem = [[outgoingMenu itemAtIndex:0] retain];
[outgoingMenu removeItemAtIndex:0];
[mNativeMenu insertItem:appMenuItem atIndex:0];
[appMenuItem release];
// Set menu bar and event target.
NSApp.mainMenu = mNativeMenu;
SetSystemHelpMenu();
nsMenuBarX::sLastGeckoMenuBarPainted = this;
gSomeMenuBarPainted = YES;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
/* static */
void nsMenuBarX::ResetNativeApplicationMenu() {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[sApplicationMenu removeAllItems];
[sApplicationMenu release];
sApplicationMenu = nil;
sApplicationMenuIsFallback = NO;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void nsMenuBarX::SetNeedsRebuild() { mNeedsRebuild = true; }
void nsMenuBarX::ApplicationMenuOpened() {
if (mNeedsRebuild) {
if (!mMenuArray.IsEmpty()) {
ResetNativeApplicationMenu();
CreateApplicationMenu(mMenuArray[0].get());
}
mNeedsRebuild = false;
}
}
bool nsMenuBarX::PerformKeyEquivalent(NSEvent* aEvent) {
return [mNativeMenu performSuperKeyEquivalent:aEvent];
}
void nsMenuBarX::MenuChildChangedVisibility(const MenuChild& aChild, bool aIsVisible) {
MOZ_RELEASE_ASSERT(aChild.is<RefPtr<nsMenuX>>(), "nsMenuBarX only has nsMenuX children");
const RefPtr<nsMenuX>& child = aChild.as<RefPtr<nsMenuX>>();
NSMenuItem* item = child->NativeNSMenuItem();
if (aIsVisible) {
NSInteger insertionPoint = CalculateNativeInsertionPoint(child);
[mNativeMenu insertItem:child->NativeNSMenuItem() atIndex:insertionPoint];
} else if ([mNativeMenu indexOfItem:item] != -1) {
[mNativeMenu removeItem:item];
}
}
NSInteger nsMenuBarX::CalculateNativeInsertionPoint(nsMenuX* aChild) {
NSInteger insertionPoint = MenuContainsAppMenu() ? 1 : 0;
for (auto& currMenu : mMenuArray) {
if (currMenu == aChild) {
return insertionPoint;
}
// Only count items that are inside a menu.
// XXXmstange Not sure what would cause free-standing items. Maybe for collapsed/hidden menus?
// In that case, an nsMenuX::IsVisible() method would be better.
if (currMenu->NativeNSMenuItem().menu) {
insertionPoint++;
}
}
return insertionPoint;
}
// Hide the item in the menu by setting the 'hidden' attribute. Returns it so
// the caller can hang onto it if they so choose.
RefPtr<Element> nsMenuBarX::HideItem(mozilla::dom::Document* aDocument, const nsAString& aID) {
RefPtr<Element> menuElement = aDocument->GetElementById(aID);
if (menuElement) {
menuElement->SetAttr(kNameSpaceID_None, nsGkAtoms::hidden, u"true"_ns, false);
}
return menuElement;
}
// Do what is necessary to conform to the Aqua guidelines for menus.
void nsMenuBarX::AquifyMenuBar() {
RefPtr<mozilla::dom::Document> domDoc = mContent->GetComposedDoc();
if (domDoc) {
// remove the "About..." item and its separator
HideItem(domDoc, u"aboutSeparator"_ns);
mAboutItemContent = HideItem(domDoc, u"aboutName"_ns);
if (!sAboutItemContent) {
sAboutItemContent = mAboutItemContent;
}
// remove quit item and its separator
HideItem(domDoc, u"menu_FileQuitSeparator"_ns);
mQuitItemContent = HideItem(domDoc, u"menu_FileQuitItem"_ns);
if (!sQuitItemContent) {
sQuitItemContent = mQuitItemContent;
}
// remove prefs item and its separator, but save off the pref content node
// so we can invoke its command later.
HideItem(domDoc, u"menu_PrefsSeparator"_ns);
mPrefItemContent = HideItem(domDoc, u"menu_preferences"_ns);
if (!sPrefItemContent) {
sPrefItemContent = mPrefItemContent;
}
// remove Account Settings item.
mAccountItemContent = HideItem(domDoc, u"menu_accountmgr"_ns);
if (!sAccountItemContent) {
sAccountItemContent = mAccountItemContent;
}
// hide items that we use for the Application menu
HideItem(domDoc, u"menu_mac_services"_ns);
HideItem(domDoc, u"menu_mac_hide_app"_ns);
HideItem(domDoc, u"menu_mac_hide_others"_ns);
HideItem(domDoc, u"menu_mac_show_all"_ns);
HideItem(domDoc, u"menu_mac_touch_bar"_ns);
}
}
// for creating menu items destined for the Application menu
NSMenuItem* nsMenuBarX::CreateNativeAppMenuItem(nsMenuX* aMenu, const nsAString& aNodeID,
SEL aAction, int aTag,
NativeMenuItemTarget* aTarget) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
RefPtr<mozilla::dom::Document> doc = aMenu->Content()->GetUncomposedDoc();
if (!doc) {
return nil;
}
RefPtr<mozilla::dom::Element> menuItem = doc->GetElementById(aNodeID);
if (!menuItem) {
return nil;
}
// Check collapsed rather than hidden since the app menu items are always
// hidden in AquifyMenuBar.
if (menuItem->AttrValueIs(kNameSpaceID_None, nsGkAtoms::collapsed, nsGkAtoms::_true,
eCaseMatters)) {
return nil;
}
// Get information from the gecko menu item
nsAutoString label;
nsAutoString modifiers;
nsAutoString key;
menuItem->GetAttr(nsGkAtoms::label, label);
menuItem->GetAttr(nsGkAtoms::modifiers, modifiers);
menuItem->GetAttr(nsGkAtoms::key, key);
// Get more information about the key equivalent. Start by
// finding the key node we need.
NSString* keyEquiv = nil;
unsigned int macKeyModifiers = 0;
if (!key.IsEmpty()) {
RefPtr<Element> keyElement = doc->GetElementById(key);
if (keyElement) {
// first grab the key equivalent character
nsAutoString keyChar(u" "_ns);
keyElement->GetAttr(nsGkAtoms::key, keyChar);
if (!keyChar.EqualsLiteral(" ")) {
keyEquiv = [[NSString stringWithCharacters:reinterpret_cast<const unichar*>(keyChar.get())
length:keyChar.Length()] lowercaseString];
}
// now grab the key equivalent modifiers
nsAutoString modifiersStr;
keyElement->GetAttr(nsGkAtoms::modifiers, modifiersStr);
uint8_t geckoModifiers = nsMenuUtilsX::GeckoModifiersForNodeAttribute(modifiersStr);
macKeyModifiers = nsMenuUtilsX::MacModifiersForGeckoModifiers(geckoModifiers);
}
}
// get the label into NSString-form
NSString* labelString =
[NSString stringWithCharacters:reinterpret_cast<const unichar*>(label.get())
length:label.Length()];
if (!labelString) {
labelString = @"";
}
if (!keyEquiv) {
keyEquiv = @"";
}
// put together the actual NSMenuItem
NSMenuItem* newMenuItem = [[NSMenuItem alloc] initWithTitle:labelString
action:aAction
keyEquivalent:keyEquiv];
newMenuItem.tag = aTag;
newMenuItem.target = aTarget;
newMenuItem.keyEquivalentModifierMask = macKeyModifiers;
newMenuItem.representedObject = mMenuGroupOwner->GetRepresentedObject();
return newMenuItem;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// build the Application menu shared by all menu bars
void nsMenuBarX::CreateApplicationMenu(nsMenuX* aMenu) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// At this point, the application menu is the application menu from
// the nib in cocoa widgets. We do not have a way to create an application
// menu manually, so we grab the one from the nib and use that.
sApplicationMenu = [[NSApp.mainMenu itemAtIndex:0].submenu retain];
/*
We support the following menu items here:
Menu Item DOM Node ID Notes
========================
= About This App = <- aboutName
========================
= Preferences... = <- menu_preferences
= Account Settings = <- menu_accountmgr Only on Thunderbird
========================
= Services > = <- menu_mac_services <- (do not define key equivalent)
========================
= Hide App = <- menu_mac_hide_app
= Hide Others = <- menu_mac_hide_others
= Show All = <- menu_mac_show_all
========================
= Customize Touch Bar… = <- menu_mac_touch_bar
========================
= Quit = <- menu_FileQuitItem
========================
If any of them are ommitted from the application's DOM, we just don't add
them. We always add a "Quit" item, but if an app developer does not provide a
DOM node with the right ID for the Quit item, we add it in English. App
developers need only add each node with a label and a key equivalent (if they
want one). Other attributes are optional. Like so:
<menuitem id="menu_preferences"
label="&preferencesCmdMac.label;"
key="open_prefs_key"/>
We need to use this system for localization purposes, until we have a better way
to define the Application menu to be used on Mac OS X.
*/
if (sApplicationMenu) {
if (!mApplicationMenuDelegate) {
mApplicationMenuDelegate = [[ApplicationMenuDelegate alloc] initWithApplicationMenu:this];
}
sApplicationMenu.delegate = mApplicationMenuDelegate;
// This code reads attributes we are going to care about from the DOM elements
NSMenuItem* itemBeingAdded = nil;
BOOL addAboutSeparator = FALSE;
BOOL addPrefsSeparator = FALSE;
// Add the About menu item
itemBeingAdded = CreateNativeAppMenuItem(aMenu, u"aboutName"_ns, @selector(menuItemHit:),
eCommand_ID_About, nsMenuBarX::sNativeEventTarget);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
[itemBeingAdded release];
itemBeingAdded = nil;
addAboutSeparator = TRUE;
}
// Add separator if either the About item or software update item exists
if (addAboutSeparator) {
[sApplicationMenu addItem:[NSMenuItem separatorItem]];
}
// Add the Preferences menu item
itemBeingAdded = CreateNativeAppMenuItem(aMenu, u"menu_preferences"_ns, @selector(menuItemHit:),
eCommand_ID_Prefs, nsMenuBarX::sNativeEventTarget);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
[itemBeingAdded release];
itemBeingAdded = nil;
addPrefsSeparator = TRUE;
}
// Add the Account Settings menu item. This is Thunderbird only
itemBeingAdded = CreateNativeAppMenuItem(aMenu, u"menu_accountmgr"_ns, @selector(menuItemHit:),
eCommand_ID_Account, nsMenuBarX::sNativeEventTarget);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
[itemBeingAdded release];
itemBeingAdded = nil;
}
// Add separator after Preferences menu
if (addPrefsSeparator) {
[sApplicationMenu addItem:[NSMenuItem separatorItem]];
}
// Add Services menu item
itemBeingAdded = CreateNativeAppMenuItem(aMenu, u"menu_mac_services"_ns, nil, 0, nil);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
// set this menu item up as the Mac OS X Services menu
NSMenu* servicesMenu = [[GeckoServicesNSMenu alloc] initWithTitle:@""];
itemBeingAdded.submenu = servicesMenu;
NSApp.servicesMenu = servicesMenu;
[itemBeingAdded release];
itemBeingAdded = nil;
// Add separator after Services menu
[sApplicationMenu addItem:[NSMenuItem separatorItem]];
}
BOOL addHideShowSeparator = FALSE;
// Add menu item to hide this application
itemBeingAdded =
CreateNativeAppMenuItem(aMenu, u"menu_mac_hide_app"_ns, @selector(menuItemHit:),
eCommand_ID_HideApp, nsMenuBarX::sNativeEventTarget);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
[itemBeingAdded release];
itemBeingAdded = nil;
addHideShowSeparator = TRUE;
}
// Add menu item to hide other applications
itemBeingAdded =
CreateNativeAppMenuItem(aMenu, u"menu_mac_hide_others"_ns, @selector(menuItemHit:),
eCommand_ID_HideOthers, nsMenuBarX::sNativeEventTarget);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
[itemBeingAdded release];
itemBeingAdded = nil;
addHideShowSeparator = TRUE;
}
// Add menu item to show all applications
itemBeingAdded =
CreateNativeAppMenuItem(aMenu, u"menu_mac_show_all"_ns, @selector(menuItemHit:),
eCommand_ID_ShowAll, nsMenuBarX::sNativeEventTarget);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
[itemBeingAdded release];
itemBeingAdded = nil;
addHideShowSeparator = TRUE;
}
// Add a separator after the hide/show menus if at least one exists
if (addHideShowSeparator) {
[sApplicationMenu addItem:[NSMenuItem separatorItem]];
}
BOOL addTouchBarSeparator = NO;
// Add Touch Bar customization menu item.
itemBeingAdded =
CreateNativeAppMenuItem(aMenu, u"menu_mac_touch_bar"_ns, @selector(menuItemHit:),
eCommand_ID_TouchBar, nsMenuBarX::sNativeEventTarget);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
// We hide the menu item on Macs that don't have a Touch Bar.
if (!sTouchBarIsInitialized) {
[itemBeingAdded setHidden:YES];
} else {
addTouchBarSeparator = YES;
}
[itemBeingAdded release];
itemBeingAdded = nil;
}
// Add a separator after the Touch Bar menu item if it exists
if (addTouchBarSeparator) {
[sApplicationMenu addItem:[NSMenuItem separatorItem]];
}
// Add quit menu item
itemBeingAdded =
CreateNativeAppMenuItem(aMenu, u"menu_FileQuitItem"_ns, @selector(menuItemHit:),
eCommand_ID_Quit, nsMenuBarX::sNativeEventTarget);
if (itemBeingAdded) {
[sApplicationMenu addItem:itemBeingAdded];
[itemBeingAdded release];
itemBeingAdded = nil;
} else {
// the current application does not have a DOM node for "Quit". Add one
// anyway, in English.
NSMenuItem* defaultQuitItem = [[[NSMenuItem alloc] initWithTitle:@"Quit"
action:@selector(menuItemHit:)
keyEquivalent:@"q"] autorelease];
defaultQuitItem.target = nsMenuBarX::sNativeEventTarget;
defaultQuitItem.tag = eCommand_ID_Quit;
[sApplicationMenu addItem:defaultQuitItem];
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
//
// Objective-C class used to allow us to have keyboard commands
// look like they are doing something but actually do nothing.
// We allow mouse actions to work normally.
//
// Controls whether or not native menu items should invoke their commands.
static BOOL gMenuItemsExecuteCommands = YES;
@implementation GeckoNSMenu
// Keyboard commands should not cause menu items to invoke their
// commands when there is a key window because we'd rather send
// the keyboard command to the window. We still have the menus
// go through the mechanics so they'll give the proper visual
// feedback.
- (BOOL)performKeyEquivalent:(NSEvent*)aEvent {
// We've noticed that Mac OS X expects this check in subclasses before
// calling NSMenu's "performKeyEquivalent:".
//
// There is no case in which we'd need to do anything or return YES
// when we have no items so we can just do this check first.
if (self.numberOfItems <= 0) {
return NO;
}
NSWindow* keyWindow = NSApp.keyWindow;
// If there is no key window then just behave normally. This
// probably means that this menu is associated with Gecko's
// hidden window.
if (!keyWindow) {
return [super performKeyEquivalent:aEvent];
}
NSResponder* firstResponder = keyWindow.firstResponder;
gMenuItemsExecuteCommands = NO;
[super performKeyEquivalent:aEvent];
gMenuItemsExecuteCommands = YES; // return to default
// Return YES if we invoked a command and there is now no key window or we changed
// the first responder. In this case we do not want to propagate the event because
// we don't want it handled again.
if (!NSApp.keyWindow || NSApp.keyWindow.firstResponder != firstResponder) {
return YES;
}
// Return NO so that we can handle the event via NSView's "keyDown:".
return NO;
}
- (BOOL)performSuperKeyEquivalent:(NSEvent*)aEvent {
return [super performKeyEquivalent:aEvent];
}
@end
//
// Objective-C class used as action target for menu items
//
@implementation NativeMenuItemTarget
// called when some menu item in this menu gets hit
- (IBAction)menuItemHit:(id)aSender {
if (!gMenuItemsExecuteCommands) {
return;
}
if (![aSender isKindOfClass:[NSMenuItem class]]) {
return;
}
NSMenuItem* nativeMenuItem = (NSMenuItem*)aSender;
NSInteger tag = nativeMenuItem.tag;
nsMenuGroupOwnerX* menuGroupOwner = nullptr;
nsMenuBarX* menuBar = nullptr;
MOZMenuItemRepresentedObject* representedObject = nativeMenuItem.representedObject;
if (representedObject) {
menuGroupOwner = representedObject.menuGroupOwner;
if (!menuGroupOwner) {
return;
}
menuBar = menuGroupOwner->GetMenuBar();
}
// Notify containing menu about the fact that a menu item will be activated.
NSMenu* menu = nativeMenuItem.menu;
if ([menu.delegate isKindOfClass:[MenuDelegate class]]) {
[(MenuDelegate*)menu.delegate menu:menu willActivateItem:nativeMenuItem];
}
// Get the modifier flags and button for this menu item activation. The menu system does not pass
// an NSEvent to our action selector, but we can query the current NSEvent instead. The current
// NSEvent can be a key event or a mouseup event, depending on how the menu item is activated.
NSEventModifierFlags modifierFlags = NSApp.currentEvent ? NSApp.currentEvent.modifierFlags : 0;
mozilla::MouseButton button = NSApp.currentEvent
? nsCocoaUtils::ButtonForEvent(NSApp.currentEvent)
: mozilla::MouseButton::ePrimary;
// Do special processing if this is for an app-global command.
if (tag == eCommand_ID_About) {
nsIContent* mostSpecificContent = sAboutItemContent;
if (menuBar && menuBar->mAboutItemContent) {
mostSpecificContent = menuBar->mAboutItemContent;
}
nsMenuUtilsX::DispatchCommandTo(mostSpecificContent, modifierFlags, button);
return;
}
if (tag == eCommand_ID_Prefs) {
nsIContent* mostSpecificContent = sPrefItemContent;
if (menuBar && menuBar->mPrefItemContent) {
mostSpecificContent = menuBar->mPrefItemContent;
}
nsMenuUtilsX::DispatchCommandTo(mostSpecificContent, modifierFlags, button);
return;
}
if (tag == eCommand_ID_Account) {
nsIContent* mostSpecificContent = sAccountItemContent;
if (menuBar && menuBar->mAccountItemContent) {
mostSpecificContent = menuBar->mAccountItemContent;
}
nsMenuUtilsX::DispatchCommandTo(mostSpecificContent, modifierFlags, button);
return;
}
if (tag == eCommand_ID_HideApp) {
[NSApp hide:aSender];
return;
}
if (tag == eCommand_ID_HideOthers) {
[NSApp hideOtherApplications:aSender];
return;
}
if (tag == eCommand_ID_ShowAll) {
[NSApp unhideAllApplications:aSender];
return;
}
if (tag == eCommand_ID_TouchBar) {
[NSApp toggleTouchBarCustomizationPalette:aSender];
return;
}
if (tag == eCommand_ID_Quit) {
nsIContent* mostSpecificContent = sQuitItemContent;
if (menuBar && menuBar->mQuitItemContent) {
mostSpecificContent = menuBar->mQuitItemContent;
}
// If we have some content for quit we execute it. Otherwise we send a native app terminate
// message. If you want to stop a quit from happening, provide quit content and return
// the event as unhandled.
if (mostSpecificContent) {
nsMenuUtilsX::DispatchCommandTo(mostSpecificContent, modifierFlags, button);
} else {
nsCOMPtr<nsIAppStartup> appStartup = mozilla::components::AppStartup::Service();
if (appStartup) {
bool userAllowedQuit = true;
appStartup->Quit(nsIAppStartup::eAttemptQuit, 0, &userAllowedQuit);
}
}
return;
}
// given the commandID, look it up in our hashtable and dispatch to
// that menu item.
if (menuGroupOwner) {
if (RefPtr<nsMenuItemX> menuItem =
menuGroupOwner->GetMenuItemForCommandID(static_cast<uint32_t>(tag))) {
if (nsMenuUtilsX::gIsSynchronouslyActivatingNativeMenuItemDuringTest) {
menuItem->DoCommand(modifierFlags, button);
} else if (RefPtr<nsMenuX> menu = menuItem->ParentMenu()) {
menu->ActivateItemAfterClosing(std::move(menuItem), modifierFlags, button);
}
}
}
}
@end
// Objective-C class used for menu items on the Services menu to allow Gecko
// to override their standard behavior in order to stop key equivalents from
// firing in certain instances. When gMenuItemsExecuteCommands is NO, we return
// a dummy target and action instead of the actual target and action.
@implementation GeckoServicesNSMenuItem
- (id)target {
id realTarget = super.target;
if (gMenuItemsExecuteCommands) {
return realTarget;
}
return realTarget ? self : nil;
}
- (SEL)action {
SEL realAction = super.action;
if (gMenuItemsExecuteCommands) {
return realAction;
}
return realAction ? @selector(_doNothing:) : nullptr;
}
- (void)_doNothing:(id)aSender {
}
@end
// Objective-C class used as the Services menu so that Gecko can override the
// standard behavior of the Services menu in order to stop key equivalents
// from firing in certain instances.
@implementation GeckoServicesNSMenu
- (void)addItem:(NSMenuItem*)aNewItem {
[self _overrideClassOfMenuItem:aNewItem];
[super addItem:aNewItem];
}
- (NSMenuItem*)addItemWithTitle:(NSString*)aString
action:(SEL)aSelector
keyEquivalent:(NSString*)aKeyEquiv {
NSMenuItem* newItem = [super addItemWithTitle:aString action:aSelector keyEquivalent:aKeyEquiv];
[self _overrideClassOfMenuItem:newItem];
return newItem;
}
- (void)insertItem:(NSMenuItem*)aNewItem atIndex:(NSInteger)aIndex {
[self _overrideClassOfMenuItem:aNewItem];
[super insertItem:aNewItem atIndex:aIndex];
}
- (NSMenuItem*)insertItemWithTitle:(NSString*)aString
action:(SEL)aSelector
keyEquivalent:(NSString*)aKeyEquiv
atIndex:(NSInteger)aIndex {
NSMenuItem* newItem = [super insertItemWithTitle:aString
action:aSelector
keyEquivalent:aKeyEquiv
atIndex:aIndex];
[self _overrideClassOfMenuItem:newItem];
return newItem;
}
- (void)_overrideClassOfMenuItem:(NSMenuItem*)aMenuItem {
if ([aMenuItem class] == [NSMenuItem class]) {
object_setClass(aMenuItem, [GeckoServicesNSMenuItem class]);
}
}
@end
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