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Diffstat (limited to 'widget/cocoa/nsMenuBarX.mm')
| -rw-r--r-- | widget/cocoa/nsMenuBarX.mm | 1169 |
1 files changed, 1169 insertions, 0 deletions
diff --git a/widget/cocoa/nsMenuBarX.mm b/widget/cocoa/nsMenuBarX.mm new file mode 100644 index 0000000000..9865fc196d --- /dev/null +++ b/widget/cocoa/nsMenuBarX.mm @@ -0,0 +1,1169 @@ +/* -*- 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 "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; +} + +// macOS is adding some (currently 3) hidden menu items every time that +// `NSApp.mainMenu` is set, but never removes them. This ultimately causes a +// significant slowdown when switching between windows because the number of +// items in `NSApp.mainMenu` is growing without bounds. +// +// The known hidden, problematic menu items are associated with the following +// menus: +// - Start Dictation... +// - Emoji & Symbols +// +// Removing these items before setting `NSApp.mainMenu` prevents this slowdown. +// See bug 1808223. +static bool RemoveProblematicMenuItems(NSMenu* aMenu) { + uint8_t problematicMenuItemCount = 3; + NSMutableArray* itemsToRemove = + [NSMutableArray arrayWithCapacity:problematicMenuItemCount]; + + for (NSInteger i = 0; i < aMenu.numberOfItems; i++) { + NSMenuItem* item = [aMenu itemAtIndex:i]; + + if (item.hidden && + (item.action == @selector(startDictation:) || + item.action == @selector(orderFrontCharacterPalette:))) { + [itemsToRemove addObject:@(i)]; + } + + if (item.hasSubmenu && RemoveProblematicMenuItems(item.submenu)) { + return true; + } + } + + bool didRemoveItems = false; + for (NSNumber* index in [itemsToRemove reverseObjectEnumerator]) { + [aMenu removeItemAtIndex:index.integerValue]; + didRemoveItems = true; + } + + return didRemoveItems; +} + +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 retain]; + 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]; + if (appMenuItem) { + [mNativeMenu insertItem:appMenuItem atIndex:0]; + } + [appMenuItem release]; + [outgoingMenu release]; + + NS_OBJC_END_TRY_ABORT_BLOCK; + NS_OBJC_BEGIN_TRY_ABORT_BLOCK; + + RemoveProblematicMenuItems(mNativeMenu); + + NS_OBJC_END_TRY_ABORT_BLOCK; + NS_OBJC_BEGIN_TRY_ABORT_BLOCK; + + // Set menu bar and event target. + NSApp.mainMenu = mNativeMenu; + + NS_OBJC_END_TRY_ABORT_BLOCK; + NS_OBJC_BEGIN_TRY_ABORT_BLOCK; + + 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:item 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 |