1432 lines
46 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCOMPtr.h"
#include "nsIDocument.h"
#include "nsIContent.h"
#include "nsIDOMDocument.h"
#include "nsIDocumentViewer.h"
#include "nsIDocumentObserver.h"
#include "nsIComponentManager.h"
#include "nsIDocShell.h"
#include "prinrval.h"
#include "nsMenuX.h"
#include "nsMenuBarX.h"
#include "nsIMenu.h"
#include "nsIMenuBar.h"
#include "nsIMenuItem.h"
#include "nsIMenuListener.h"
#include "nsIPresContext.h"
#include "nsIMenuCommandDispatcher.h"
#include "nsString.h"
#include "nsCRT.h"
#include "nsReadableUtils.h"
#include "nsUnicharUtils.h"
#include "plstr.h"
#include "nsINameSpaceManager.h"
#include "nsWidgetAtoms.h"
#include "nsIXBLService.h"
#include "nsIServiceManager.h"
#include <Appearance.h>
#include <ToolUtils.h>
#include <UnicodeConverter.h>
#include "nsGUIEvent.h"
static OSStatus InstallMyMenuEventHandler(MenuRef menuRef, void* userData, EventHandlerRef* outHandler) ;
// keep track of the menuID of the menu the mouse is currently over. Yes, this is ugly,
// but necessary to work around bugs in Carbon with ::MenuSelect() sometimes returning
// the wrong menuID.
static MenuID gCurrentlyTrackedMenuID = 0;
const PRInt16 kMacMenuIDX = nsMenuBarX::kAppleMenuID + 1;
static PRInt16 gMacMenuIDCountX = kMacMenuIDX;
static PRBool gConstructingMenu = PR_FALSE;
#if DEBUG
//nsInstanceCounter gMenuCounterX("nsMenuX");
#endif
// CIDs
#include "nsWidgetsCID.h"
static NS_DEFINE_CID(kMenuCID, NS_MENU_CID);
static NS_DEFINE_CID(kMenuItemCID, NS_MENUITEM_CID);
// Refcounted class for dummy menu items, like separators and help menu items.
class nsDummyMenuItemX : public nsISupports {
public:
NS_DECL_ISUPPORTS
};
NS_IMETHODIMP_(nsrefcnt) nsDummyMenuItemX::AddRef() { return ++mRefCnt; }
NS_METHOD nsDummyMenuItemX::Release() { return --mRefCnt; }
NS_IMPL_QUERY_INTERFACE0(nsDummyMenuItemX)
static nsDummyMenuItemX gDummyMenuItemX;
//-------------------------------------------------------------------------
NS_IMPL_ISUPPORTS4(nsMenuX, nsIMenu, nsIMenuListener, nsIChangeObserver, nsISupportsWeakReference)
//
// nsMenuX constructor
//
nsMenuX::nsMenuX()
: mNumMenuItems(0), mParent(nsnull), mManager(nsnull),
mMacMenuID(0), mMacMenuHandle(nsnull), mHelpMenuOSItemsCount(0),
mIsHelpMenu(PR_FALSE), mIsEnabled(PR_TRUE), mDestroyHandlerCalled(PR_FALSE),
mNeedsRebuild(PR_TRUE), mConstructed(PR_FALSE), mVisible(PR_TRUE), mHandler(nsnull)
{
#if DEBUG
//++gMenuCounterX;
#endif
}
//
// nsMenuX destructor
//
nsMenuX::~nsMenuX()
{
RemoveAll();
if ( mMacMenuHandle ) {
if ( mHandler )
::RemoveEventHandler(mHandler);
::ReleaseMenu(mMacMenuHandle);
}
// alert the change notifier we don't care no more
mManager->Unregister(mMenuContent);
#if DEBUG
//--gMenuCounterX;
#endif
}
//
// Create
//
NS_METHOD
nsMenuX::Create(nsISupports * aParent, const nsAString &aLabel, const nsAString &aAccessKey,
nsIChangeManager* aManager, nsIWebShell* aShell, nsIContent* aNode )
{
mWebShellWeakRef = getter_AddRefs(NS_GetWeakReference(aShell));
mMenuContent = aNode;
// register this menu to be notified when changes are made to our content object
mManager = aManager; // weak ref
nsCOMPtr<nsIChangeObserver> changeObs ( do_QueryInterface(NS_STATIC_CAST(nsIChangeObserver*, this)) );
mManager->Register(mMenuContent, changeObs);
NS_ASSERTION ( mMenuContent, "Menu not given a dom node at creation time" );
NS_ASSERTION ( mManager, "No change manager given, can't tell content model updates" );
mParent = aParent;
// our parent could be either a menu bar (if we're toplevel) or a menu (if we're a submenu)
PRBool isValidParent = PR_FALSE;
if (aParent) {
nsCOMPtr<nsIMenuBar> menubar = do_QueryInterface(aParent);
nsCOMPtr<nsIMenu> menu = do_QueryInterface(aParent);
isValidParent = (menubar || menu);
}
NS_ASSERTION(isValidParent, "Menu parent not a menu bar or menu!" );
SetLabel(aLabel);
SetAccessKey(aAccessKey);
nsAutoString hiddenValue, collapsedValue;
mMenuContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::hidden, hiddenValue);
mMenuContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::collapsed, collapsedValue);
if ( hiddenValue == NS_LITERAL_STRING("true") || collapsedValue == NS_LITERAL_STRING("true") )
mVisible = PR_FALSE;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::GetParent(nsISupports*& aParent)
{
aParent = mParent;
NS_IF_ADDREF(aParent);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::GetLabel(nsString &aText)
{
aText = mLabel;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::SetLabel(const nsAString &aText)
{
mLabel = aText;
// first time? create the menu handle, attach event handler to it.
if (mMacMenuHandle == nsnull) {
mMacMenuID = gMacMenuIDCountX++;
mMacMenuHandle = NSStringNewMenu(mMacMenuID, mLabel);
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::GetAccessKey(nsString &aText)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::SetAccessKey(const nsAString &aText)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::AddItem(nsISupports* aItem)
{
nsresult rv = NS_ERROR_FAILURE;
if (aItem) {
// Figure out what we're adding
nsCOMPtr<nsIMenuItem> menuItem(do_QueryInterface(aItem));
if (menuItem) {
rv = AddMenuItem(menuItem);
} else {
nsCOMPtr<nsIMenu> menu(do_QueryInterface(aItem));
if (menu)
rv = AddMenu(menu);
}
}
return rv;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::AddMenuItem(nsIMenuItem * aMenuItem)
{
if(!aMenuItem) return NS_ERROR_NULL_POINTER;
mMenuItemsArray.AppendElement(aMenuItem); // owning ref
PRUint32 currItemIndex;
mMenuItemsArray.Count(&currItemIndex);
mNumMenuItems++;
nsAutoString label;
aMenuItem->GetLabel(label);
InsertMenuItemWithTruncation ( label, currItemIndex );
// I want to be internationalized too!
nsAutoString keyEquivalent(NS_LITERAL_STRING(" "));
aMenuItem->GetShortcutChar(keyEquivalent);
if (keyEquivalent != NS_LITERAL_STRING(" ")) {
ToUpperCase(keyEquivalent);
char keyStr[2];
keyEquivalent.ToCString(keyStr, sizeof(keyStr));
short inKey = keyStr[0];
::SetItemCmd(mMacMenuHandle, currItemIndex, inKey);
//::SetMenuItemKeyGlyph(mMacMenuHandle, mNumMenuItems, 0x61);
}
PRUint8 modifiers;
aMenuItem->GetModifiers(&modifiers);
PRUint8 macModifiers = kMenuNoModifiers;
if (knsMenuItemShiftModifier & modifiers)
macModifiers |= kMenuShiftModifier;
if (knsMenuItemAltModifier & modifiers)
macModifiers |= kMenuOptionModifier;
if (knsMenuItemControlModifier & modifiers)
macModifiers |= kMenuControlModifier;
if (!(knsMenuItemCommandModifier & modifiers))
macModifiers |= kMenuNoCommandModifier;
::SetMenuItemModifiers(mMacMenuHandle, currItemIndex, macModifiers);
// set its command. we get the unique command id from the menubar
nsCOMPtr<nsIMenuCommandDispatcher> dispatcher ( do_QueryInterface(mManager) );
if ( dispatcher ) {
PRUint32 commandID = 0L;
dispatcher->Register(aMenuItem, &commandID);
if ( commandID )
::SetMenuItemCommandID(mMacMenuHandle, currItemIndex, commandID);
}
PRBool isEnabled;
aMenuItem->GetEnabled(&isEnabled);
if(isEnabled)
::EnableMenuItem(mMacMenuHandle, currItemIndex);
else
::DisableMenuItem(mMacMenuHandle, currItemIndex);
PRBool isChecked;
aMenuItem->GetChecked(&isChecked);
if(isChecked)
::CheckMenuItem(mMacMenuHandle, currItemIndex, true);
else
::CheckMenuItem(mMacMenuHandle, currItemIndex, false);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::AddMenu(nsIMenu * aMenu)
{
// Add a submenu
if (!aMenu) return NS_ERROR_NULL_POINTER;
nsCOMPtr<nsISupports> supports = do_QueryInterface(aMenu);
if (!supports) return NS_ERROR_NO_INTERFACE;
mMenuItemsArray.AppendElement(supports); // owning ref
PRUint32 currItemIndex;
mMenuItemsArray.Count(&currItemIndex);
mNumMenuItems++;
// We have to add it as a menu item and then associate it with the item
nsAutoString label;
aMenu->GetLabel(label);
InsertMenuItemWithTruncation ( label, currItemIndex );
PRBool isEnabled;
aMenu->GetEnabled(&isEnabled);
if (isEnabled)
::EnableMenuItem(mMacMenuHandle, currItemIndex);
else
::DisableMenuItem(mMacMenuHandle, currItemIndex);
MenuHandle childMenu;
if (aMenu->GetNativeData(&(void*)childMenu) == NS_OK)
::SetMenuItemHierarchicalMenu((MenuHandle) mMacMenuHandle, currItemIndex, childMenu);
return NS_OK;
}
//
// InsertMenuItemWithTruncation
//
// Insert a new item in this menu with index |inItemIndex| with the text |inItemLabel|,
// middle-truncated to a certain pixel width with an elipsis.
//
void
nsMenuX :: InsertMenuItemWithTruncation ( nsAutoString & inItemLabel, PRUint32 inItemIndex )
{
// ::TruncateThemeText() doesn't take the number of characters to truncate to, it takes a pixel with
// to fit the string in. Ugh. I talked it over with sfraser and we couldn't come up with an
// easy way to compute what this should be given the system font, etc, so we're just going
// to hard code it to something reasonable and bigger fonts will just have to deal.
const short kMaxItemPixelWidth = 300;
CFMutableStringRef labelRef = ::CFStringCreateMutable ( kCFAllocatorDefault, inItemLabel.Length() );
::CFStringAppendCharacters ( labelRef, (UniChar*)inItemLabel.get(), inItemLabel.Length() );
::TruncateThemeText(labelRef, kThemeMenuItemFont, kThemeStateActive, kMaxItemPixelWidth, truncMiddle, NULL);
::InsertMenuItemTextWithCFString(mMacMenuHandle, labelRef, inItemIndex, 0, 0);
::CFRelease(labelRef);
} // InsertMenuItemWithTruncation
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::AddSeparator()
{
// HACK - We're not really appending an nsMenuItem but it
// needs to be here to make sure that event dispatching isn't off by one.
mMenuItemsArray.AppendElement(&gDummyMenuItemX); // owning ref
PRUint32 numItems;
mMenuItemsArray.Count(&numItems);
::InsertMenuItem(mMacMenuHandle, "\p(-", numItems);
mNumMenuItems++;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::GetItemCount(PRUint32 &aCount)
{
return mMenuItemsArray.Count(&aCount);
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::GetItemAt(const PRUint32 aPos, nsISupports *& aMenuItem)
{
mMenuItemsArray.GetElementAt(aPos, &aMenuItem);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::InsertItemAt(const PRUint32 aPos, nsISupports * aMenuItem)
{
NS_ASSERTION(0, "Not implemented");
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::RemoveItem(const PRUint32 aPos)
{
NS_WARNING("Not implemented");
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::RemoveAll()
{
if (mMacMenuHandle != NULL) {
// clear command id's
nsCOMPtr<nsIMenuCommandDispatcher> dispatcher ( do_QueryInterface(mManager) );
if ( dispatcher ) {
for ( int i = 1; i <= mNumMenuItems; ++i ) {
PRUint32 commandID = 0L;
OSErr err = ::GetMenuItemCommandID(mMacMenuHandle, i, (unsigned long*)&commandID);
if ( !err )
dispatcher->Unregister(commandID);
}
}
::DeleteMenuItems(mMacMenuHandle, 1, ::CountMenuItems(mMacMenuHandle));
}
mMenuItemsArray.Clear(); // remove all items
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::GetNativeData(void ** aData)
{
*aData = mMacMenuHandle;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::SetNativeData(void * aData)
{
mMacMenuHandle = (MenuHandle) aData;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::AddMenuListener(nsIMenuListener * aMenuListener)
{
mListener = aMenuListener; // strong ref
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenuX::RemoveMenuListener(nsIMenuListener * aMenuListener)
{
if (aMenuListener == mListener)
mListener = nsnull;
return NS_OK;
}
//-------------------------------------------------------------------------
//
// nsIMenuListener interface
//
//-------------------------------------------------------------------------
nsEventStatus nsMenuX::MenuItemSelected(const nsMenuEvent & aMenuEvent)
{
// all this is now handled by Carbon Events.
return nsEventStatus_eConsumeNoDefault;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenuX::MenuSelected(const nsMenuEvent & aMenuEvent)
{
//printf("MenuSelected called for %s \n", NS_LossyConvertUCS2toASCII(mLabel).get());
nsEventStatus eventStatus = nsEventStatus_eIgnore;
// Determine if this is the correct menu to handle the event
MenuHandle selectedMenuHandle = (MenuHandle) aMenuEvent.mCommand;
if (mMacMenuHandle == selectedMenuHandle) {
if (mIsHelpMenu && mConstructed){
RemoveAll();
mConstructed = false;
SetRebuild(PR_TRUE);
}
// Open the node.
mMenuContent->SetAttr(kNameSpaceID_None, nsWidgetAtoms::open, NS_LITERAL_STRING("true"), PR_TRUE);
// Fire our oncreate handler. If we're told to stop, don't build the menu at all
PRBool keepProcessing = OnCreate();
if (!mIsHelpMenu && !mNeedsRebuild || !keepProcessing)
return nsEventStatus_eConsumeNoDefault;
if(!mConstructed || mNeedsRebuild) {
if (mNeedsRebuild)
RemoveAll();
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_ERROR("No web shell");
return nsEventStatus_eConsumeNoDefault;
}
if (mIsHelpMenu) {
HelpMenuConstruct(aMenuEvent, nsnull /* mParentWindow */, nsnull, webShell);
mConstructed = true;
} else {
MenuConstruct(aMenuEvent, nsnull /* mParentWindow */, nsnull, webShell);
mConstructed = true;
}
}
OnCreated(); // Now that it's built, fire the popupShown event.
eventStatus = nsEventStatus_eConsumeNoDefault;
}
else {
// Make sure none of our submenus are the ones that should be handling this
PRUint32 numItems;
mMenuItemsArray.Count(&numItems);
for (PRUint32 i = numItems; i > 0; i--) {
nsCOMPtr<nsISupports> menuSupports = getter_AddRefs(mMenuItemsArray.ElementAt(i - 1));
nsCOMPtr<nsIMenu> submenu = do_QueryInterface(menuSupports);
nsCOMPtr<nsIMenuListener> menuListener = do_QueryInterface(submenu);
if (menuListener) {
eventStatus = menuListener->MenuSelected(aMenuEvent);
if (nsEventStatus_eIgnore != eventStatus)
return eventStatus;
}
}
}
return eventStatus;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenuX::MenuDeselected(const nsMenuEvent & aMenuEvent)
{
// Destroy the menu
if (mConstructed) {
MenuDestruct(aMenuEvent);
mConstructed = false;
}
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenuX::MenuConstruct(
const nsMenuEvent & aMenuEvent,
nsIWidget * aParentWindow,
void * /* menuNode */,
void * aWebShell)
{
mConstructed = false;
gConstructingMenu = PR_TRUE;
// reset destroy handler flag so that we'll know to fire it next time this menu goes away.
mDestroyHandlerCalled = PR_FALSE;
//printf("nsMenuX::MenuConstruct called for %s = %d \n", NS_LossyConvertUCS2toASCII(mLabel).get(), mMacMenuHandle);
// Begin menuitem inner loop
// Retrieve our menupopup.
nsCOMPtr<nsIContent> menuPopup;
GetMenuPopupContent(getter_AddRefs(menuPopup));
if (!menuPopup)
return nsEventStatus_eIgnore;
// Iterate over the kids
PRInt32 count;
menuPopup->ChildCount(count);
for ( PRInt32 i = 0; i < count; ++i ) {
nsCOMPtr<nsIContent> child;
menuPopup->ChildAt(i, *getter_AddRefs(child));
if ( child ) {
// depending on the type, create a menu item, separator, or submenu
nsCOMPtr<nsIAtom> tag;
child->GetTag ( *getter_AddRefs(tag) );
if ( tag == nsWidgetAtoms::menuitem )
LoadMenuItem(this, child);
else if ( tag == nsWidgetAtoms::menuseparator )
LoadSeparator(child);
else if ( tag == nsWidgetAtoms::menu )
LoadSubMenu(this, child);
}
} // for each menu item
gConstructingMenu = PR_FALSE;
mNeedsRebuild = PR_FALSE;
//printf(" Done building, mMenuItemVoidArray.Count() = %d \n", mMenuItemVoidArray.Count());
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenuX::HelpMenuConstruct(
const nsMenuEvent & aMenuEvent,
nsIWidget * aParentWindow,
void * /* menuNode */,
void * aWebShell)
{
//printf("nsMenuX::MenuConstruct called for %s = %d \n", NS_LossyConvertUCS2toASCII(mLabel).get(), mMacMenuHandle);
int numHelpItems = ::CountMenuItems(mMacMenuHandle);
for (int i=0; i < numHelpItems; ++i) {
mMenuItemsArray.AppendElement(&gDummyMenuItemX);
}
// Retrieve our menupopup.
nsCOMPtr<nsIContent> menuPopup;
GetMenuPopupContent(getter_AddRefs(menuPopup));
if (!menuPopup)
return nsEventStatus_eIgnore;
// Iterate over the kids
PRInt32 count;
menuPopup->ChildCount(count);
for ( PRInt32 i = 0; i < count; ++i ) {
nsCOMPtr<nsIContent> child;
menuPopup->ChildAt(i, *getter_AddRefs(child));
if ( child ) {
// depending on the type, create a menu item, separator, or submenu
nsCOMPtr<nsIAtom> tag;
child->GetTag ( *getter_AddRefs(tag) );
if ( tag == nsWidgetAtoms::menuitem )
LoadMenuItem(this, child);
else if ( tag == nsWidgetAtoms::menuseparator )
LoadSeparator(child);
else if ( tag == nsWidgetAtoms::menu )
LoadSubMenu(this, child);
}
} // for each menu item
//printf(" Done building, mMenuItemVoidArray.Count() = %d \n", mMenuItemVoidArray.Count());
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenuX::MenuDestruct(const nsMenuEvent & aMenuEvent)
{
//printf("nsMenuX::MenuDestruct() called for %s \n", NS_LossyConvertUCS2toASCII(mLabel).get());
// Fire our ondestroy handler. If we're told to stop, don't destroy the menu
PRBool keepProcessing = OnDestroy();
if ( keepProcessing ) {
if(mNeedsRebuild) {
mConstructed = false;
//printf(" mMenuItemVoidArray.Count() = %d \n", mMenuItemVoidArray.Count());
}
// Close the node.
mMenuContent->UnsetAttr(kNameSpaceID_None, nsWidgetAtoms::open, PR_TRUE);
OnDestroyed();
}
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenuX::CheckRebuild(PRBool & aNeedsRebuild)
{
aNeedsRebuild = PR_TRUE; //mNeedsRebuild;
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenuX::SetRebuild(PRBool aNeedsRebuild)
{
if(!gConstructingMenu) {
mNeedsRebuild = aNeedsRebuild;
//if(mNeedsRebuild)
// RemoveAll();
}
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
/**
* Set enabled state
*
*/
NS_METHOD nsMenuX::SetEnabled(PRBool aIsEnabled)
{
mIsEnabled = aIsEnabled;
if ( aIsEnabled )
::EnableMenuItem(mMacMenuHandle, 0);
else
::DisableMenuItem(mMacMenuHandle, 0);
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Get enabled state
*
*/
NS_METHOD nsMenuX::GetEnabled(PRBool* aIsEnabled)
{
NS_ENSURE_ARG_POINTER(aIsEnabled);
*aIsEnabled = mIsEnabled;
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Query if this is the help menu
*
*/
NS_METHOD nsMenuX::IsHelpMenu(PRBool* aIsHelpMenu)
{
NS_ENSURE_ARG_POINTER(aIsHelpMenu);
*aIsHelpMenu = mIsHelpMenu;
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Get GetMenuContent
*
*/
NS_METHOD nsMenuX::GetMenuContent(nsIContent ** aMenuContent)
{
NS_ENSURE_ARG_POINTER(aMenuContent);
NS_IF_ADDREF(*aMenuContent = mMenuContent);
return NS_OK;
}
/*
Support for Carbon Menu Manager.
*/
static pascal OSStatus MyMenuEventHandler(EventHandlerCallRef myHandler, EventRef event, void* userData)
{
OSStatus result = eventNotHandledErr;
UInt32 kind = ::GetEventKind(event);
if (kind == kEventMenuOpening || kind == kEventMenuClosed) {
nsISupports* supports = reinterpret_cast<nsISupports*>(userData);
nsCOMPtr<nsIMenuListener> listener(do_QueryInterface(supports));
if (listener) {
MenuRef menuRef;
::GetEventParameter(event, kEventParamDirectObject, typeMenuRef, NULL, sizeof(menuRef), NULL, &menuRef);
nsMenuEvent menuEvent;
menuEvent.message = NS_MENU_SELECTED;
menuEvent.eventStructType = NS_MENU_EVENT;
menuEvent.point.x = 0;
menuEvent.point.y = 0;
menuEvent.widget = nsnull;
menuEvent.time = PR_IntervalNow();
menuEvent.mCommand = (PRUint32) menuRef;
if (kind == kEventMenuOpening) {
gCurrentlyTrackedMenuID = ::GetMenuID(menuRef); // remember which menu ID we're over for later
listener->MenuSelected(menuEvent);
}
else
listener->MenuDeselected(menuEvent);
}
}
else if ( kind == kEventMenuTargetItem ) {
// remember which menu ID we're over for later
MenuRef menuRef;
::GetEventParameter(event, kEventParamDirectObject, typeMenuRef, NULL, sizeof(menuRef), NULL, &menuRef);
gCurrentlyTrackedMenuID = ::GetMenuID(menuRef);
}
return result;
}
static OSStatus InstallMyMenuEventHandler(MenuRef menuRef, void* userData, EventHandlerRef* outHandler)
{
// install the event handler for the various carbon menu events.
static EventTypeSpec eventList[] = {
{ kEventClassMenu, kEventMenuBeginTracking },
{ kEventClassMenu, kEventMenuEndTracking },
{ kEventClassMenu, kEventMenuChangeTrackingMode },
{ kEventClassMenu, kEventMenuOpening },
{ kEventClassMenu, kEventMenuClosed },
{ kEventClassMenu, kEventMenuTargetItem },
{ kEventClassMenu, kEventMenuMatchKey },
{ kEventClassMenu, kEventMenuEnableItems }
};
static EventHandlerUPP gMyMenuEventHandlerUPP = NewEventHandlerUPP(&MyMenuEventHandler);
return ::InstallMenuEventHandler(menuRef, gMyMenuEventHandlerUPP,
sizeof(eventList) / sizeof(EventTypeSpec), eventList,
userData, outHandler);
}
//-------------------------------------------------------------------------
MenuHandle nsMenuX::NSStringNewMenu(short menuID, nsString& menuTitle)
{
MenuRef menuRef;
OSStatus status = ::CreateNewMenu(menuID, 0, &menuRef);
NS_ASSERTION(status == noErr,"nsMenuX::NSStringNewMenu: NewMenu failed.");
CFStringRef titleRef = ::CFStringCreateWithCharacters(kCFAllocatorDefault, (UniChar*)menuTitle.get(), menuTitle.Length());
NS_ASSERTION(titleRef,"nsMenuX::NSStringNewMenu: CFStringCreateWithCharacters failed.");
if (titleRef) {
::SetMenuTitleWithCFString(menuRef, titleRef);
::CFRelease(titleRef);
}
status = InstallMyMenuEventHandler(menuRef, this, &mHandler);
NS_ASSERTION(status == noErr,"nsMenuX::NSStringNewMenu: InstallMyMenuEventHandler failed.");
return menuRef;
}
//----------------------------------------
void nsMenuX::LoadMenuItem( nsIMenu* inParentMenu, nsIContent* inMenuItemContent )
{
if ( !inMenuItemContent )
return;
// if menu should be hidden, bail
nsAutoString hidden;
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::hidden, hidden);
if ( hidden == NS_LITERAL_STRING("true") )
return;
// Create nsMenuItem
nsCOMPtr<nsIMenuItem> pnsMenuItem = do_CreateInstance ( kMenuItemCID ) ;
if ( pnsMenuItem ) {
nsAutoString disabled;
nsAutoString checked;
nsAutoString type;
nsAutoString menuitemName;
nsAutoString menuitemCmd;
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::disabled, disabled);
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::checked, checked);
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::type, type);
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::label, menuitemName);
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::command, menuitemCmd);
//printf("menuitem %s \n", NS_LossyConvertUCS2toASCII(menuitemName).get());
PRBool enabled = ! (disabled == NS_LITERAL_STRING("true"));
nsIMenuItem::EMenuItemType itemType = nsIMenuItem::eRegular;
if ( type == NS_LITERAL_STRING("checkbox") )
itemType = nsIMenuItem::eCheckbox;
else if ( type == NS_LITERAL_STRING("radio") )
itemType = nsIMenuItem::eRadio;
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell)
return;
// Create the item.
pnsMenuItem->Create(inParentMenu, menuitemName, PR_FALSE, itemType,
enabled, mManager, webShell, inMenuItemContent);
//
// Set key shortcut and modifiers
//
nsAutoString keyValue;
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::key, keyValue);
// Try to find the key node. Get the document so we can do |GetElementByID|
nsCOMPtr<nsIDocument> document;
inMenuItemContent->GetDocument(*getter_AddRefs(document));
if ( !document )
return;
nsCOMPtr<nsIDOMDocument> domDocument = do_QueryInterface(document);
if ( !domDocument )
return;
nsCOMPtr<nsIDOMElement> keyElement;
if (!keyValue.IsEmpty())
domDocument->GetElementById(keyValue, getter_AddRefs(keyElement));
if ( keyElement ) {
nsCOMPtr<nsIContent> keyContent ( do_QueryInterface(keyElement) );
nsAutoString keyChar(NS_LITERAL_STRING(" "));
keyContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::key, keyChar);
if(keyChar != NS_LITERAL_STRING(" "))
pnsMenuItem->SetShortcutChar(keyChar);
PRUint8 modifiers = knsMenuItemNoModifier;
nsAutoString modifiersStr;
keyContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::modifiers, modifiersStr);
char* str = ToNewCString(modifiersStr);
char* newStr;
char* token = nsCRT::strtok( str, ", ", &newStr );
while( token != NULL ) {
if (PL_strcmp(token, "shift") == 0)
modifiers |= knsMenuItemShiftModifier;
else if (PL_strcmp(token, "alt") == 0)
modifiers |= knsMenuItemAltModifier;
else if (PL_strcmp(token, "control") == 0)
modifiers |= knsMenuItemControlModifier;
else if ((PL_strcmp(token, "accel") == 0) ||
(PL_strcmp(token, "meta") == 0)) {
modifiers |= knsMenuItemCommandModifier;
}
token = nsCRT::strtok( newStr, ", ", &newStr );
}
nsMemory::Free(str);
pnsMenuItem->SetModifiers ( modifiers );
}
if ( checked == NS_LITERAL_STRING("true") )
pnsMenuItem->SetChecked(PR_TRUE);
else
pnsMenuItem->SetChecked(PR_FALSE);
nsCOMPtr<nsISupports> supports ( do_QueryInterface(pnsMenuItem) );
inParentMenu->AddItem(supports); // Parent now owns menu item
}
}
void
nsMenuX::LoadSubMenu( nsIMenu * pParentMenu, nsIContent* inMenuItemContent )
{
// if menu should be hidden, bail
nsAutoString hidden;
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::hidden, hidden);
if ( hidden == NS_LITERAL_STRING("true") )
return;
nsAutoString menuName;
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::label, menuName);
//printf("Creating Menu [%s] \n", NS_LossyConvertUCS2toASCII(menuName).get());
// Create nsMenu
nsCOMPtr<nsIMenu> pnsMenu ( do_CreateInstance(kMenuCID) );
if (pnsMenu) {
// Call Create
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell)
return;
nsCOMPtr<nsISupports> supports(do_QueryInterface(pParentMenu));
pnsMenu->Create(supports, menuName, NS_LITERAL_STRING(""), mManager, webShell, inMenuItemContent);
// set if it's enabled or disabled
nsAutoString disabled;
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::disabled, disabled);
if ( disabled == NS_LITERAL_STRING("true") )
pnsMenu->SetEnabled ( PR_FALSE );
else
pnsMenu->SetEnabled ( PR_TRUE );
// Make nsMenu a child of parent nsMenu. The parent takes ownership
nsCOMPtr<nsISupports> supports2 ( do_QueryInterface(pnsMenu) );
pParentMenu->AddItem(supports2);
}
}
void
nsMenuX::LoadSeparator ( nsIContent* inMenuItemContent )
{
// if item should be hidden, bail
nsAutoString hidden;
inMenuItemContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::hidden, hidden);
if ( hidden == NS_LITERAL_STRING("true") )
return;
AddSeparator();
}
//
// OnCreate
//
// Fire our oncreate handler. Returns TRUE if we should keep processing the event,
// FALSE if the handler wants to stop the creation of the menu
//
PRBool
nsMenuX::OnCreate()
{
nsEventStatus status = nsEventStatus_eIgnore;
nsMouseEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_XUL_POPUP_SHOWING;
event.isShift = PR_FALSE;
event.isControl = PR_FALSE;
event.isAlt = PR_FALSE;
event.isMeta = PR_FALSE;
event.clickCount = 0;
event.widget = nsnull;
nsCOMPtr<nsIContent> popupContent;
GetMenuPopupContent(getter_AddRefs(popupContent));
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_ERROR("No web shell");
return PR_FALSE;
}
nsCOMPtr<nsIPresContext> presContext;
MenuHelpersX::WebShellToPresContext(webShell, getter_AddRefs(presContext) );
if ( presContext ) {
nsresult rv = NS_OK;
nsIContent* dispatchTo = popupContent ? popupContent : mMenuContent;
rv = dispatchTo->HandleDOMEvent(presContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
if ( NS_FAILED(rv) || status == nsEventStatus_eConsumeNoDefault )
return PR_FALSE;
}
// the menu is going to show and the oncreate handler has executed. We
// now need to walk our menu items, checking to see if any of them have
// a command attribute. If so, several apptributes must potentially
// be updated.
if (popupContent) {
nsCOMPtr<nsIDocument> doc;
popupContent->GetDocument(*getter_AddRefs(doc));
nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(doc));
PRInt32 count;
popupContent->ChildCount(count);
for (PRInt32 i = 0; i < count; i++) {
nsCOMPtr<nsIContent> grandChild;
popupContent->ChildAt(i, *getter_AddRefs(grandChild));
nsCOMPtr<nsIAtom> tag;
grandChild->GetTag(*getter_AddRefs(tag));
if (tag.get() == nsWidgetAtoms::menuitem) {
// See if we have a command attribute.
nsAutoString command;
grandChild->GetAttr(kNameSpaceID_None, nsWidgetAtoms::command, command);
if (!command.IsEmpty()) {
// We do! Look it up in our document
nsCOMPtr<nsIDOMElement> commandElt;
domDoc->GetElementById(command, getter_AddRefs(commandElt));
nsCOMPtr<nsIContent> commandContent(do_QueryInterface(commandElt));
if ( commandContent ) {
nsAutoString commandDisabled, menuDisabled;
commandContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::disabled, commandDisabled);
grandChild->GetAttr(kNameSpaceID_None, nsWidgetAtoms::disabled, menuDisabled);
if (!commandDisabled.Equals(menuDisabled)) {
// The menu's disabled state needs to be updated to match the command.
if (commandDisabled.IsEmpty())
grandChild->UnsetAttr(kNameSpaceID_None, nsWidgetAtoms::disabled, PR_TRUE);
else grandChild->SetAttr(kNameSpaceID_None, nsWidgetAtoms::disabled, commandDisabled, PR_TRUE);
}
// The menu's value and checked states need to be updated to match the command.
// Note that (unlike the disabled state) if the command has *no* value for either, we
// assume the menu is supplying its own.
nsAutoString commandChecked, menuChecked;
commandContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::checked, commandChecked);
grandChild->GetAttr(kNameSpaceID_None, nsWidgetAtoms::checked, menuChecked);
if (!commandChecked.Equals(menuChecked)) {
if (!commandChecked.IsEmpty())
grandChild->SetAttr(kNameSpaceID_None, nsWidgetAtoms::checked, commandChecked, PR_TRUE);
}
nsAutoString commandValue, menuValue;
commandContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::label, commandValue);
grandChild->GetAttr(kNameSpaceID_None, nsWidgetAtoms::label, menuValue);
if (!commandValue.Equals(menuValue)) {
if (!commandValue.IsEmpty())
grandChild->SetAttr(kNameSpaceID_None, nsWidgetAtoms::label, commandValue, PR_TRUE);
}
}
}
}
}
}
return PR_TRUE;
}
PRBool
nsMenuX::OnCreated()
{
nsEventStatus status = nsEventStatus_eIgnore;
nsMouseEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_XUL_POPUP_SHOWN;
event.isShift = PR_FALSE;
event.isControl = PR_FALSE;
event.isAlt = PR_FALSE;
event.isMeta = PR_FALSE;
event.clickCount = 0;
event.widget = nsnull;
nsCOMPtr<nsIContent> popupContent;
GetMenuPopupContent(getter_AddRefs(popupContent));
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_ERROR("No web shell");
return PR_FALSE;
}
nsCOMPtr<nsIPresContext> presContext;
MenuHelpersX::WebShellToPresContext(webShell, getter_AddRefs(presContext) );
if ( presContext ) {
nsresult rv = NS_OK;
nsIContent* dispatchTo = popupContent ? popupContent : mMenuContent;
rv = dispatchTo->HandleDOMEvent(presContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
if ( NS_FAILED(rv) || status == nsEventStatus_eConsumeNoDefault )
return PR_FALSE;
}
return PR_TRUE;
}
//
// OnDestroy
//
// Fire our ondestroy handler. Returns TRUE if we should keep processing the event,
// FALSE if the handler wants to stop the destruction of the menu
//
PRBool
nsMenuX::OnDestroy()
{
if ( mDestroyHandlerCalled )
return PR_TRUE;
nsEventStatus status = nsEventStatus_eIgnore;
nsMouseEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_XUL_POPUP_HIDING;
event.isShift = PR_FALSE;
event.isControl = PR_FALSE;
event.isAlt = PR_FALSE;
event.isMeta = PR_FALSE;
event.clickCount = 0;
event.widget = nsnull;
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_WARNING("No web shell so can't run the OnDestroy");
return PR_FALSE;
}
nsCOMPtr<nsIContent> popupContent;
GetMenuPopupContent(getter_AddRefs(popupContent));
nsCOMPtr<nsIPresContext> presContext;
MenuHelpersX::WebShellToPresContext (webShell, getter_AddRefs(presContext) );
if (presContext ) {
nsresult rv = NS_OK;
nsIContent* dispatchTo = popupContent ? popupContent : mMenuContent;
rv = dispatchTo->HandleDOMEvent(presContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
mDestroyHandlerCalled = PR_TRUE;
if ( NS_FAILED(rv) || status == nsEventStatus_eConsumeNoDefault )
return PR_FALSE;
}
return PR_TRUE;
}
PRBool
nsMenuX::OnDestroyed()
{
nsEventStatus status = nsEventStatus_eIgnore;
nsMouseEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_XUL_POPUP_HIDDEN;
event.isShift = PR_FALSE;
event.isControl = PR_FALSE;
event.isAlt = PR_FALSE;
event.isMeta = PR_FALSE;
event.clickCount = 0;
event.widget = nsnull;
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_WARNING("No web shell so can't run the OnDestroy");
return PR_FALSE;
}
nsCOMPtr<nsIContent> popupContent;
GetMenuPopupContent(getter_AddRefs(popupContent));
nsCOMPtr<nsIPresContext> presContext;
MenuHelpersX::WebShellToPresContext (webShell, getter_AddRefs(presContext) );
if (presContext ) {
nsresult rv = NS_OK;
nsIContent* dispatchTo = popupContent ? popupContent : mMenuContent;
rv = dispatchTo->HandleDOMEvent(presContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
mDestroyHandlerCalled = PR_TRUE;
if ( NS_FAILED(rv) || status == nsEventStatus_eConsumeNoDefault )
return PR_FALSE;
}
return PR_TRUE;
}
//
// GetMenuPopupContent
//
// Find the |menupopup| child in the |popup| representing this menu. It should be one
// of a very few children so we won't be iterating over a bazillion menu items to find
// it (so the strcmp won't kill us).
//
void
nsMenuX::GetMenuPopupContent(nsIContent** aResult)
{
if (!aResult )
return;
*aResult = nsnull;
nsresult rv;
nsCOMPtr<nsIXBLService> xblService =
do_GetService("@mozilla.org/xbl;1", &rv);
if ( !xblService )
return;
PRInt32 count;
mMenuContent->ChildCount(count);
for (PRInt32 i = 0; i < count; i++) {
PRInt32 dummy;
nsCOMPtr<nsIContent> child;
mMenuContent->ChildAt(i, *getter_AddRefs(child));
nsCOMPtr<nsIAtom> tag;
xblService->ResolveTag(child, &dummy, getter_AddRefs(tag));
if (tag && tag.get() == nsWidgetAtoms::menupopup) {
*aResult = child.get();
NS_ADDREF(*aResult);
return;
}
}
} // GetMenuPopupContent
//
// CountVisibleBefore
//
// Determines how many menus are visible among the siblings that are before me.
// It doesn't matter if I am visible. Note that this will always count the Apple
// menu, since we always put it in there.
//
nsresult
nsMenuX :: CountVisibleBefore ( PRUint32* outVisibleBefore )
{
NS_ASSERTION ( outVisibleBefore, "bad index param" );
nsCOMPtr<nsIMenuBar> menubarParent = do_QueryInterface(mParent);
if (!menubarParent) return NS_ERROR_FAILURE;
PRUint32 numMenus = 0;
menubarParent->GetMenuCount(numMenus);
// Find this menu among the children of my parent menubar
PRBool gotThisMenu = PR_FALSE;
*outVisibleBefore = 1; // start at 1, the apple menu will always be there
for ( PRUint32 i = 0; i < numMenus; ++i ) {
nsCOMPtr<nsIMenu> currMenu;
menubarParent->GetMenuAt(i, *getter_AddRefs(currMenu));
// we found ourselves, break out
if ( currMenu == NS_STATIC_CAST(nsIMenu*, this) ) {
gotThisMenu = PR_TRUE;
break;
}
// check the current menu to see if it is visible (not hidden, not collapsed). If
// it is, count it.
if (currMenu) {
nsCOMPtr<nsIContent> menuContent;
currMenu->GetMenuContent(getter_AddRefs(menuContent));
if ( menuContent ) {
nsAutoString hiddenValue, collapsedValue;
menuContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::hidden, hiddenValue);
menuContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::collapsed, collapsedValue);
if ( hiddenValue != NS_LITERAL_STRING("true") && collapsedValue != NS_LITERAL_STRING("true"))
++(*outVisibleBefore);
}
}
} // for each menu
return gotThisMenu ? NS_OK : NS_ERROR_FAILURE;
} // CountVisibleBefore
#pragma mark -
//
// nsIChangeObserver
//
NS_IMETHODIMP
nsMenuX::AttributeChanged(nsIDocument *aDocument, PRInt32 aNameSpaceID, nsIAtom *aAttribute,
PRInt32 aHint)
{
if (gConstructingMenu)
return NS_OK;
// ignore the |open| attribute, which is by far the most common
if ( aAttribute == nsWidgetAtoms::open )
return NS_OK;
nsCOMPtr<nsIMenuBar> menubarParent = do_QueryInterface(mParent);
if(aAttribute == nsWidgetAtoms::disabled) {
SetRebuild(PR_TRUE);
nsAutoString valueString;
mMenuContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::disabled, valueString);
if(valueString == NS_LITERAL_STRING("true"))
SetEnabled(PR_FALSE);
else
SetEnabled(PR_TRUE);
::DrawMenuBar();
}
else if(aAttribute == nsWidgetAtoms::label) {
SetRebuild(PR_TRUE);
mMenuContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::label, mLabel);
// reuse the existing menu, to avoid invalidating root menu bar.
NS_ASSERTION(mMacMenuHandle != NULL, "nsMenuX::AttributeChanged: invalid menu handle.");
RemoveAll();
CFStringRef titleRef = ::CFStringCreateWithCharacters(kCFAllocatorDefault, (UniChar*)mLabel.get(), mLabel.Length());
NS_ASSERTION(titleRef, "nsMenuX::AttributeChanged: CFStringCreateWithCharacters failed.");
::SetMenuTitleWithCFString(mMacMenuHandle, titleRef);
::CFRelease(titleRef);
if (menubarParent)
::DrawMenuBar();
}
else if(aAttribute == nsWidgetAtoms::hidden || aAttribute == nsWidgetAtoms::collapsed) {
SetRebuild(PR_TRUE);
nsAutoString hiddenValue, collapsedValue;
mMenuContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::hidden, hiddenValue);
mMenuContent->GetAttr(kNameSpaceID_None, nsWidgetAtoms::collapsed, collapsedValue);
if (hiddenValue == NS_LITERAL_STRING("true") || collapsedValue == NS_LITERAL_STRING("true")) {
if ( mVisible ) {
if ( menubarParent ) {
PRUint32 indexToRemove = 0;
if ( NS_SUCCEEDED(CountVisibleBefore(&indexToRemove)) ) {
++indexToRemove; // if there are N siblings before me, my index is N+1
MenuRef menubar = nsnull;
menubarParent->GetNativeData ( (void*)menubar );
if ( menubar ) {
::SetMenuItemHierarchicalMenu(menubar, indexToRemove, nsnull);
::DeleteMenuItem(menubar, indexToRemove);
mVisible = PR_FALSE;
}
}
} // if on the menubar
else {
// hide this submenu
NS_ASSERTION(PR_FALSE, "nsMenuX::AttributeChanged: WRITE HIDE CODE FOR SUBMENU.");
}
} // if visible
else
NS_WARNING("You're hiding the menu twice, please stop");
} // if told to hide menu
else {
if ( !mVisible ) {
if ( menubarParent ) {
PRUint32 insertAfter = 0;
if ( NS_SUCCEEDED(CountVisibleBefore(&insertAfter)) ) {
MenuRef menubar = nsnull;
menubarParent->GetNativeData ( (void*)menubar );
if ( menubar ) {
// Shove this menu into its rightful place in the menubar. It doesn't matter
// what title we pass to InsertMenuItem() because when we stuff the actual menu
// handle in, the correct title goes with it.
::InsertMenuItem(menubar, "\pPlaceholder", insertAfter);
::SetMenuItemHierarchicalMenu(menubar, insertAfter + 1, mMacMenuHandle); // add 1 to get index of inserted item
mVisible = PR_TRUE;
}
}
} // if on menubar
else {
// show this submenu
NS_ASSERTION(PR_FALSE, "nsMenuX::AttributeChanged: WRITE SHOW CODE FOR SUBMENU.");
}
} // if not visible
} // if told to show menu
if (menubarParent) {
::DrawMenuBar();
}
}
return NS_OK;
} // AttributeChanged
NS_IMETHODIMP
nsMenuX :: ContentRemoved(nsIDocument *aDocument, nsIContent *aChild, PRInt32 aIndexInContainer)
{
if (gConstructingMenu)
return NS_OK;
SetRebuild(PR_TRUE);
RemoveItem(aIndexInContainer);
mManager->Unregister(aChild);
return NS_OK;
} // ContentRemoved
NS_IMETHODIMP
nsMenuX :: ContentInserted(nsIDocument *aDocument, nsIContent *aChild, PRInt32 aIndexInContainer)
{
if(gConstructingMenu)
return NS_OK;
SetRebuild(PR_TRUE);
return NS_OK;
} // ContentInserted