pinkerton%netscape.com 699b76deb0 fix for bug 29569, truncating mac menus better. Also pushes around and refactors a lot of our ugly i18n font code. r=sfraser.
git-svn-id: svn://10.0.0.236/trunk@75103 18797224-902f-48f8-a5cc-f745e15eee43
2000-07-28 23:12:43 +00:00

1554 lines
46 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsCOMPtr.h"
#include "nsIDocument.h"
#include "nsIContent.h"
#include "nsIDOMXULDocument.h"
#include "nsIDocumentViewer.h"
#include "nsIDocumentObserver.h"
#include "nsIComponentManager.h"
#include "nsIDocShell.h"
#include "nsMenu.h"
#include "nsMenubar.h"
#include "nsIMenu.h"
#include "nsIMenuBar.h"
#include "nsIMenuItem.h"
#include "nsIMenuListener.h"
#include "nsIPresContext.h"
#include "nsString.h"
#include "nsStringUtil.h"
#include <Appearance.h>
#include <TextUtils.h>
#include <ToolUtils.h>
#include <Devices.h>
#include <UnicodeConverter.h>
#include <Fonts.h>
#include <Sound.h>
#include <Balloons.h>
#include "nsDynamicMDEF.h"
// Beginning ID for top level menus. IDs 2-5 are the 4 Golden Hierarchical Menus
const PRInt16 kMacMenuID = 6;
#ifdef APPLE_MENU_HACK
const PRInt16 kAppleMenuID = 1;
#endif /* APPLE_MENU_HACK */
// Submenu depth tracking
PRInt16 gMenuDepth = 0;
PRInt16 gCurrentMenuDepth = 1;
extern Handle gMDEF; // Our stub MDEF
extern Handle gSystemMDEFHandle;
PRInt16 mMacMenuIDCount = kMacMenuID;
static PRBool gConstructingMenu = PR_FALSE;
#if DEBUG
nsInstanceCounter gMenuCounter("nsMenu");
#endif
// CIDs
#include "nsWidgetsCID.h"
static NS_DEFINE_CID(kMenuBarCID, NS_MENUBAR_CID);
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 nsDummyMenuItem : public nsISupports
{
public:
NS_DECL_ISUPPORTS
nsDummyMenuItem()
{
NS_INIT_REFCNT();
}
};
NS_IMPL_ISUPPORTS0(nsDummyMenuItem);
//-------------------------------------------------------------------------
NS_IMPL_ISUPPORTS4(nsMenu, nsIMenu, nsIMenuListener, nsIChangeObserver, nsISupportsWeakReference)
//
// nsMenu constructor
//
nsMenu::nsMenu()
{
NS_INIT_REFCNT();
mNumMenuItems = 0;
mMenuParent = nsnull;
mMenuBarParent = nsnull;
mManager = nsnull;
mMacMenuID = 0;
mMacMenuHandle = nsnull;
mIsHelpMenu = PR_FALSE;
mHelpMenuOSItemsCount = 0;
mIsEnabled = PR_TRUE;
mConstructed = nsnull;
mDestroyHandlerCalled = PR_FALSE;
//
// create a multi-destination Unicode converter which can handle all of the installed
// script systems
//
// To fix the menu bar problem, we add the primary script by using 0x80000000 with one
// script. This will make sure the converter first try to convert to the system script
// before it try other script.
//
// Mac OS 8 and 9 Developer Document > Text and Other Interionational Service >
// Text Encoding Converter Manager
// Inside Macintosh: Programming With the Text Encoding Conversion Manager
// CreateUnicodeToTextRunInfoByScriptCode
// iNumberOfScriptCodes
// The number of desired scripts. .... If you set the high-order bit for this parameter, the
// Unicode converter assumes that the iScripts parameter contains a singel element specifying
// the preferred script. This feature i ssupported beginning with the Text
// Encoding Conversion Manager 1.2
// Also .. from About Eariler Release:
// .. TEC Manager 1.2 was included with Mac OS 8 in July 1997...
ScriptCode ps[1];
ps[0] = ::GetScriptManagerVariable(smSysScript);
OSErr err = ::CreateUnicodeToTextRunInfoByScriptCode(0x80000000,ps,&mUnicodeTextRunConverter);
NS_ASSERTION(err==noErr,"nsMenu::nsMenu: CreateUnicodeToTextRunInfoByScriptCode failed.");
#if DEBUG
++gMenuCounter;
#endif
}
//
// nsMenu destructor
//
nsMenu::~nsMenu()
{
RemoveAll();
OSErr err = ::DisposeUnicodeToTextRunInfo(&mUnicodeTextRunConverter);
NS_ASSERTION(err==noErr,"nsMenu::~nsMenu: DisposeUnicodeToTextRunInfo failed.");
// Don't destroy the 4 Golden Hierarchical Menu
if((mMacMenuID > 5) || (mMacMenuID < 2) && !mIsHelpMenu) {
//printf("WARNING: DeleteMenu called!!! \n");
::DeleteMenu(mMacMenuID);
}
// alert the change notifier we don't care no more
nsCOMPtr<nsIContent> content = do_QueryInterface(mDOMNode);
mManager->Unregister(content);
#if DEBUG
--gMenuCounter;
#endif
}
//
// Create
//
NS_METHOD
nsMenu::Create( nsISupports * aParent, const nsString &aLabel, const nsString &aAccessKey,
nsIChangeManager* aManager, nsIWebShell* aShell, nsIDOMNode* aNode )
{
mWebShellWeakRef = getter_AddRefs(NS_GetWeakReference(aShell));
mDOMNode = aNode; // strong ref
// register this menu to be notified when changes are made to our content object
mManager = aManager; // weak ref
nsCOMPtr<nsIContent> content (do_QueryInterface(aNode));
nsCOMPtr<nsIChangeObserver> changeObs ( do_QueryInterface(NS_STATIC_CAST(nsIChangeObserver*, this)) );
mManager->Register(content, changeObs);
NS_ASSERTION ( mDOMNode, "Menu not given a dom node at creation time" );
NS_ASSERTION ( mManager, "No change manager given, can't tell content model updates" );
// our parent could be either a menu bar (if we're toplevel) or a menu (if we're a submenu)
if (aParent) {
nsCOMPtr<nsIMenuBar> menubar = do_QueryInterface(aParent);
if (menubar)
mMenuBarParent = menubar; // weak ref
else
{
nsCOMPtr<nsIMenu> menu = do_QueryInterface(aParent);
if (menu)
mMenuParent = menu; // weak ref
}
}
NS_ASSERTION( mMenuParent || mMenuBarParent, "Menu parent not a menu bar or menu!" );
SetLabel(aLabel);
SetAccessKey(aAccessKey);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetParent(nsISupports*& aParent)
{
aParent = nsnull;
if (mMenuParent)
return mMenuParent->QueryInterface(NS_GET_IID(nsISupports),(void**)&aParent);
else if (mMenuBarParent)
return mMenuBarParent->QueryInterface(NS_GET_IID(nsISupports),(void**)&aParent);
return NS_ERROR_FAILURE;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetLabel(nsString &aText)
{
aText = mLabel;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetLabel(const nsString &aText)
{
mLabel = aText;
if(gCurrentMenuDepth >= 2) {
// We don't really want to create a new menu, we want to fill in the
// appropriate preinserted Golden Child Menu
mMacMenuID = gCurrentMenuDepth;
#if DEBUG_saari
if(mMacMenuID == 16)
SysBeep(30);
#endif
mMacMenuHandle = ::GetMenuHandle(mMacMenuID);
} else {
#if !TARGET_CARBON
// Look at the label and figure out if it is the "Help" menu
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
if(domElement) {
nsAutoString menuIDstring;
domElement->GetAttribute(NS_ConvertASCIItoUCS2("id"), menuIDstring);
if(menuIDstring.EqualsWithConversion("menu_Help"))
{
mIsHelpMenu = PR_TRUE;
::HMGetHelpMenuHandle(&mMacMenuHandle);
mMacMenuID = kHMHelpMenuID;
int numHelpItems = ::CountMenuItems(mMacMenuHandle);
if (mHelpMenuOSItemsCount == 0)
mHelpMenuOSItemsCount = numHelpItems;
for (int i=0; i < numHelpItems; ++i)
{
nsDummyMenuItem* dummyItem = new nsDummyMenuItem;
mMenuItemsArray.AppendElement(dummyItem); // owned
}
return NS_OK;
}
}
#endif
mMacMenuHandle = NSStringNewMenu(mMacMenuIDCount, mLabel);
mMacMenuID = mMacMenuIDCount;
#if DEBUG_saari
if(mMacMenuID == 16)
SysBeep(30);
#endif
mMacMenuIDCount++;
#if !TARGET_CARBON
// Replace standard MDEF with our stub MDEF
if(mMacMenuHandle) {
SInt8 state = ::HGetState((Handle)mMacMenuHandle);
::HLock((Handle)mMacMenuHandle);
//gSystemMDEFHandle = (**mMacMenuHandle).menuProc;
(**mMacMenuHandle).menuProc = gMDEF;
::HSetState((Handle)mMacMenuHandle, state);
}
#endif
}
//printf("MacMenuID = %d", mMacMenuID);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetAccessKey(nsString &aText)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetAccessKey(const nsString &aText)
{
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddItem(nsISupports* aItem)
{
if(aItem) {
// Figure out what we're adding
nsCOMPtr<nsIMenuItem> menuitem(do_QueryInterface(aItem));
if (menuitem) {
AddMenuItem(menuitem);
} else {
nsCOMPtr<nsIMenu> menu(do_QueryInterface(aItem));
if (menu)
AddMenu(menu);
}
}
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenuItem(nsIMenuItem * aMenuItem)
{
if(!aMenuItem) return NS_ERROR_NULL_POINTER;
nsCOMPtr<nsISupports> supports = do_QueryInterface(aMenuItem);
if (!supports) return NS_ERROR_NO_INTERFACE;
mMenuItemsArray.AppendElement(supports); // owning ref
PRUint32 currItemIndex;
mMenuItemsArray.Count(&currItemIndex);
mNumMenuItems++;
nsAutoString label;
aMenuItem->GetLabel(label);
//printf("%s \n", label.ToNewCString());
//printf("%d = mMacMenuID\n", mMacMenuID);
::InsertMenuItem(mMacMenuHandle, "\p(Blank menu item", currItemIndex);
MenuHelpers::SetMenuItemText(mMacMenuHandle, currItemIndex, label, mUnicodeTextRunConverter);
// I want to be internationalized too!
nsAutoString keyEquivalent; keyEquivalent.AssignWithConversion(" ");
aMenuItem->GetShortcutChar(keyEquivalent);
if(!keyEquivalent.EqualsWithConversion(" ")) {
keyEquivalent.ToUpperCase();
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);
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 nsMenu::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);
//printf("AddMenu %s \n", label.ToNewCString());
::InsertMenuItem(mMacMenuHandle, "\p(Blank Menu", currItemIndex);
MenuHelpers::SetMenuItemText(mMacMenuHandle, currItemIndex, label, mUnicodeTextRunConverter);
PRBool isEnabled;
aMenu->GetEnabled(&isEnabled);
if(isEnabled)
::EnableMenuItem(mMacMenuHandle, currItemIndex);
else
::DisableMenuItem(mMacMenuHandle, currItemIndex);
PRInt16 temp = gCurrentMenuDepth;
::SetMenuItemHierarchicalID((MenuHandle) mMacMenuHandle, currItemIndex, temp);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::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.
nsDummyMenuItem* dummyItem = new nsDummyMenuItem;
mMenuItemsArray.AppendElement(dummyItem); // owning ref
PRUint32 numItems;
mMenuItemsArray.Count(&numItems);
::InsertMenuItem(mMacMenuHandle, "\p(-", numItems);
mNumMenuItems++;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetItemCount(PRUint32 &aCount)
{
return mMenuItemsArray.Count(&aCount);
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetItemAt(const PRUint32 aPos, nsISupports *& aMenuItem)
{
mMenuItemsArray.GetElementAt(aPos, &aMenuItem);
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::InsertItemAt(const PRUint32 aPos, nsISupports * aMenuItem)
{
NS_ASSERTION(0, "Not implemented");
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveItem(const PRUint32 aPos)
{
NS_ASSERTION(0, "Not implemented");
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveAll()
{
#ifdef notdef
#if !TARGET_CARBON
MenuHandle helpmh;
::HMGetHelpMenuHandle(&helpmh);
if ( helpmh != mMacMenuHandle)
helpmh = nsnull;
#endif
#endif
PRUint32 curItem;
mMenuItemsArray.Count(&curItem);
while (curItem > 0)
{
/* don't delete the actual Mac menu item if it's a MacOS item */
if (curItem > mHelpMenuOSItemsCount)
::DeleteMenuItem(mMacMenuHandle, curItem);
curItem --;
}
mMenuItemsArray.Clear(); // remove all items
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::GetNativeData(void ** aData)
{
*aData = mMacMenuHandle;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::SetNativeData(void * aData)
{
mMacMenuHandle = (MenuHandle) aData;
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::AddMenuListener(nsIMenuListener * aMenuListener)
{
mListener = aMenuListener; // strong ref
return NS_OK;
}
//-------------------------------------------------------------------------
NS_METHOD nsMenu::RemoveMenuListener(nsIMenuListener * aMenuListener)
{
if (aMenuListener == mListener) {
mListener = nsnull;
}
return NS_OK;
}
//-------------------------------------------------------------------------
//
// nsIMenuListener interface
//
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuItemSelected(const nsMenuEvent & aMenuEvent)
{
//printf("MenuItemSelected called \n");
nsEventStatus eventStatus = nsEventStatus_eIgnore;
// Determine if this is the correct menu to handle the event
PRInt16 menuID = HiWord(((nsMenuEvent)aMenuEvent).mCommand);
#ifdef APPLE_MENU_HACK
if(kAppleMenuID == menuID)
{
PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
if (menuItemID > 2) // don't handle the about or separator items yet
{
Str255 itemStr;
::GetMenuItemText(GetMenuHandle(menuID), menuItemID, itemStr);
#if !TARGET_CARBON
::OpenDeskAcc(itemStr);
#endif
eventStatus = nsEventStatus_eConsumeNoDefault;
}
else if (menuItemID == 1)
{
/* handle about app here */
nsresult rv = NS_ERROR_FAILURE;
// Go find the about menu item
if (!mDOMNode) {
NS_ERROR("nsMenu mDOMNode is null.");
return nsEventStatus_eConsumeNoDefault;
}
nsCOMPtr<nsIDOMDocument> domDoc;
mDOMNode->GetOwnerDocument(getter_AddRefs(domDoc));
if (!domDoc) {
NS_ERROR("No owner document for nsMenu DOM node.");
return nsEventStatus_eConsumeNoDefault;
}
nsCOMPtr<nsIDOMXULDocument> xulDoc = do_QueryInterface(domDoc);
if (!xulDoc) {
NS_ERROR("nsIDOMDocument to nsIDOMXULDocument QI failed.");
return nsEventStatus_eConsumeNoDefault;
}
// "releaseName" is the current node id for the About Mozilla/Netscape
// menu node.
nsCOMPtr<nsIDOMElement> domElement;
xulDoc->GetElementById(NS_ConvertASCIItoUCS2("releaseName"), getter_AddRefs(domElement));
if (!domElement) {
NS_ERROR("GetElementById failed.");
return nsEventStatus_eConsumeNoDefault;
}
// Now get the pres context so we can execute the command
nsCOMPtr<nsIPresContext> presContext;
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_ERROR("Webshell has gone away");
return nsEventStatus_eConsumeNoDefault;
}
MenuHelpers::WebShellToPresContext(webShell, getter_AddRefs(presContext));
nsEventStatus status = nsEventStatus_eIgnore;
nsMouseEvent event;
event.eventStructType = NS_MOUSE_EVENT;
event.message = NS_MENU_ACTION;
nsCOMPtr<nsIContent> contentNode = do_QueryInterface(mDOMNode);
if (!contentNode) {
NS_ERROR("DOM Node doesn't support the nsIContent interface required to handle DOM events.");
return nsEventStatus_eConsumeNoDefault;
}
rv = contentNode->HandleDOMEvent(presContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
return nsEventStatus_eConsumeNoDefault;
}
}
else
#endif
if ((kHMHelpMenuID == menuID) && (menuID != mMacMenuID))
{
/* 'this' is not correct; we need to find the help nsMenu */
nsIMenuBar *mb = mMenuBarParent;
if ( mb == nsnull )
{
nsCOMPtr<nsIMenuBar> menuBar = do_QueryReferent(gMacMenubar);
if (!menuBar)
return nsEventStatus_eIgnore;
mb = menuBar;
}
/* set up a default event to query with */
nsMenuEvent event;
MenuHandle handle;
#if !TARGET_CARBON
// XXX fix me for carbon!
::HMGetHelpMenuHandle(&handle);
#endif
event.mCommand = (unsigned int) handle;
/* loop through the top-level menus in the menubar */
PRUint32 numMenus = 0;
mb->GetMenuCount(numMenus);
numMenus--;
for (PRInt32 i = numMenus; i >= 0; i--)
{
nsCOMPtr<nsIMenu> menu;
mb->GetMenuAt(i, *getter_AddRefs(menu));
nsCOMPtr<nsIMenuListener> listener(do_QueryInterface(menu));
if (listener)
{
nsAutoString label;
menu->GetLabel(label);
/* ask if this is the right menu */
eventStatus = listener->MenuSelected(event);
if(eventStatus != nsEventStatus_eIgnore)
{
// call our ondestroy handler now because the menu is going away.
// do it now before sending the event into the dom in case our window
// goes away.
OnDestroy();
/* call back into this method with the proper "this" */
eventStatus = listener->MenuItemSelected(aMenuEvent);
return eventStatus;
}
}
}
}
else if (mMacMenuID == menuID)
{
// Call MenuItemSelected on the correct nsMenuItem
PRInt16 menuItemID = LoWord(((nsMenuEvent)aMenuEvent).mCommand);
nsCOMPtr<nsISupports> menuSupports = getter_AddRefs(mMenuItemsArray.ElementAt(menuItemID - 1));
nsCOMPtr<nsIMenuListener> menuListener = do_QueryInterface(menuSupports);
if (menuListener)
{
// call our ondestroy handler now because the menu is going away.
// do it now before sending the event into the dom in case our window
// goes away.
OnDestroy();
eventStatus = menuListener->MenuItemSelected(aMenuEvent);
if(nsEventStatus_eIgnore != eventStatus)
return eventStatus;
}
}
// 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)
{
// call our ondestroy handler now because the menu is going away.
// do it now before sending the event into the dom in case our window
// goes away.
OnDestroy();
eventStatus = menuListener->MenuItemSelected(aMenuEvent);
if(nsEventStatus_eIgnore != eventStatus)
return eventStatus;
}
}
return eventStatus;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuSelected(const nsMenuEvent & aMenuEvent)
{
//printf("MenuSelected called for %s \n", mLabel.ToNewCString());
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;
}
if(!mConstructed)
{
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_ERROR("No web shell");
return nsEventStatus_eConsumeNoDefault;
}
if(mIsHelpMenu) {
HelpMenuConstruct(aMenuEvent, nsnull /* mParentWindow */, mDOMNode, webShell);
mConstructed = true;
} else {
MenuConstruct(aMenuEvent, nsnull /* mParentWindow */, mDOMNode, webShell);
mConstructed = true;
}
} else {
//printf("Menu already constructed \n");
}
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 nsMenu::MenuDeselected(const nsMenuEvent & aMenuEvent)
{
//printf("MenuDeselect called for %s\n", mLabel.ToNewCString());
// Destroy the menu
if(mConstructed) {
MenuDestruct(aMenuEvent);
mConstructed = false;
}
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuConstruct(
const nsMenuEvent & aMenuEvent,
nsIWidget * aParentWindow,
void * menuNode,
void * aWebShell)
{
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("nsMenu::MenuConstruct called for %s = %d \n", mLabel.ToNewCString(), mMacMenuHandle);
// Begin menuitem inner loop
// Open the node.
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
if (domElement)
domElement->SetAttribute(NS_ConvertASCIItoUCS2("open"), NS_ConvertASCIItoUCS2("true"));
gCurrentMenuDepth++;
// Now get the kids. Retrieve our menupopup child.
nsCOMPtr<nsIDOMNode> menuPopupNode;
GetMenuPopupElement(getter_AddRefs(menuPopupNode));
if (!menuPopupNode)
return nsEventStatus_eIgnore;
// Now get the kids
nsCOMPtr<nsIDOMNode> menuitemNode;
menuPopupNode->GetFirstChild(getter_AddRefs(menuitemNode));
unsigned short menuIndex = 0;
// Fire our oncreate handler. If we're told to stop, don't build the menu at all
PRBool keepProcessing = OnCreate();
if ( keepProcessing )
{
while (menuitemNode)
{
nsCOMPtr<nsIDOMElement> menuitemElement(do_QueryInterface(menuitemNode));
if (menuitemElement)
{
nsAutoString label;
menuitemElement->GetAttribute(NS_ConvertASCIItoUCS2("value"), label);
//printf("label = %s \n", label.ToNewCString());
// depending on the type, create a menu item, separator, or submenu
nsAutoString menuitemNodeType;
nsAutoString menuitemName;
menuitemElement->GetNodeName(menuitemNodeType);
if (menuitemNodeType.EqualsWithConversion("menuitem"))
LoadMenuItem(this, menuitemElement, menuitemNode, menuIndex, (nsIWebShell*)aWebShell);
else if (menuitemNodeType.EqualsWithConversion("menuseparator"))
AddSeparator();
else if (menuitemNodeType.EqualsWithConversion("menu"))
LoadSubMenu(this, menuitemElement, menuitemNode);
}
++menuIndex;
nsCOMPtr<nsIDOMNode> oldmenuitemNode(menuitemNode);
oldmenuitemNode->GetNextSibling(getter_AddRefs(menuitemNode));
} // end menu item innner loop
}
gConstructingMenu = PR_FALSE;
//printf(" Done building, mMenuItemVoidArray.Count() = %d \n", mMenuItemVoidArray.Count());
gCurrentMenuDepth--;
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::HelpMenuConstruct(
const nsMenuEvent & aMenuEvent,
nsIWidget * aParentWindow,
void * menuNode,
void * aWebShell)
{
//printf("nsMenu::MenuConstruct called for %s = %d \n", mLabel.ToNewCString(), mMacMenuHandle);
// Begin menuitem inner loop
int numHelpItems = ::CountMenuItems(mMacMenuHandle);
for (int i=0; i < numHelpItems; ++i)
{
nsDummyMenuItem* dummyItem = new nsDummyMenuItem;
mMenuItemsArray.AppendElement(dummyItem);
}
// Open the node.
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
if (domElement)
domElement->SetAttribute(NS_ConvertASCIItoUCS2("open"), NS_ConvertASCIItoUCS2("true"));
gCurrentMenuDepth++;
// Now get the kids. Retrieve our menupopup child.
nsCOMPtr<nsIDOMNode> menuPopupNode;
GetMenuPopupElement ( getter_AddRefs(menuPopupNode) );
if (!menuPopupNode)
return nsEventStatus_eIgnore;
// Now get the kids
nsCOMPtr<nsIDOMNode> menuitemNode;
menuPopupNode->GetFirstChild(getter_AddRefs(menuitemNode));
unsigned short menuIndex = 0;
// Fire our oncreate handler. If we're told to stop, don't build the menu at all
PRBool keepProcessing = OnCreate();
if ( keepProcessing ) {
while (menuitemNode)
{
nsCOMPtr<nsIDOMElement> menuitemElement(do_QueryInterface(menuitemNode));
if (menuitemElement) {
nsAutoString menuitemNodeType;
nsAutoString menuitemName;
nsAutoString label;
menuitemElement->GetAttribute(NS_ConvertASCIItoUCS2("value"), label);
//printf("label = %s \n", label.ToNewCString());
menuitemElement->GetNodeName(menuitemNodeType);
if (menuitemNodeType.EqualsWithConversion("menuitem")) {
// LoadMenuItem
LoadMenuItem(this, menuitemElement, menuitemNode, menuIndex, (nsIWebShell*)aWebShell);
} else if (menuitemNodeType.EqualsWithConversion("menuseparator")) {
AddSeparator();
} else if (menuitemNodeType.EqualsWithConversion("menu")) {
// Load a submenu
LoadSubMenu(this, menuitemElement, menuitemNode);
}
}
++menuIndex;
nsCOMPtr<nsIDOMNode> oldmenuitemNode(menuitemNode);
oldmenuitemNode->GetNextSibling(getter_AddRefs(menuitemNode));
} // end menu item innner loop
}
//printf(" Done building, mMenuItemVoidArray.Count() = %d \n", mMenuItemVoidArray.Count());
gCurrentMenuDepth--;
//PreviousMenuStackUnwind(this, mMacMenuHandle);
//PushMenu(this);
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
nsEventStatus nsMenu::MenuDestruct(const nsMenuEvent & aMenuEvent)
{
//printf("nsMenu::MenuDestruct() called for %s \n", mLabel.ToNewCString());
// Fire our ondestroy handler. If we're told to stop, don't destroy the menu
PRBool keepProcessing = OnDestroy();
if ( keepProcessing )
{
RemoveAll();
//printf(" mMenuItemVoidArray.Count() = %d \n", mMenuItemVoidArray.Count());
// Close the node.
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
if(!domElement) {
NS_ERROR("Unable to QI dom element.");
return nsEventStatus_eIgnore;
}
nsCOMPtr<nsIContent> contentNode = do_QueryInterface(domElement);
if (!contentNode) {
NS_ERROR("DOM Node doesn't support the nsIContent interface required to handle DOM events.");
return nsEventStatus_eIgnore;
}
nsCOMPtr<nsIDocument> document;
contentNode->GetDocument(*getter_AddRefs(document));
if(document)
domElement->RemoveAttribute(NS_ConvertASCIItoUCS2("open"));
}
return nsEventStatus_eIgnore;
}
//-------------------------------------------------------------------------
/**
* Set enabled state
*
*/
NS_METHOD nsMenu::SetEnabled(PRBool aIsEnabled)
{
mIsEnabled = aIsEnabled;
// If we're at the depth of a top-level menu, enable/disable the menu explicity.
// Otherwise we're working with a single "golden child" menu shared by all hierarchicals
// so if we touch it, it will affect the display of every other hierarchical spawnded from
// this menu (which would be bad).
if ( gCurrentMenuDepth < 2 ) {
if ( aIsEnabled )
::EnableMenuItem(mMacMenuHandle, 0);
else
::DisableMenuItem(mMacMenuHandle, 0);
}
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Get enabled state
*
*/
NS_METHOD nsMenu::GetEnabled(PRBool* aIsEnabled)
{
*aIsEnabled = mIsEnabled;
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Query if this is the help menu
*
*/
NS_METHOD nsMenu::IsHelpMenu(PRBool* aIsHelpMenu)
{
*aIsHelpMenu = mIsHelpMenu;
return NS_OK;
}
//-------------------------------------------------------------------------
/**
* Get DOMNode
*
*/
NS_METHOD nsMenu::GetDOMNode(nsIDOMNode ** aMenuNode)
{
NS_ENSURE_ARG_POINTER(aMenuNode);
NS_IF_ADDREF(*aMenuNode = mDOMNode);
return NS_OK;
}
//-------------------------------------------------------------------------
MenuHandle nsMenu::NSStringNewMenu(short menuID, nsString& menuTitle)
{
MenuHandle newMenuHandle = nsnull;
short themeFontID;
SInt16 themeFontSize;
Style themeFontStyle;
char* scriptRunText = MenuHelpers::ConvertToScriptRun ( menuTitle, mUnicodeTextRunConverter, &themeFontID,
&themeFontSize, &themeFontStyle );
if ( scriptRunText ) {
newMenuHandle = ::NewMenu(menuID,c2pstr(scriptRunText));
NS_ASSERTION(newMenuHandle!=NULL,"nsMenu::NSStringNewMenu: NewMenu failed.");
if (newMenuHandle==NULL) { nsMemory::Free(scriptRunText); return NULL; }
OSErr err = ::SetMenuFont(newMenuHandle,themeFontID,themeFontSize);
NS_ASSERTION(err==noErr,"nsMenu::NSStringNewMenu: SetMenuFont failed.");
if (err!=noErr) { nsMemory::Free(scriptRunText); return NULL; }
nsMemory::Free(scriptRunText);
}
return newMenuHandle;
}
//----------------------------------------
void nsMenu::LoadMenuItem(
nsIMenu * pParentMenu,
nsIDOMElement * menuitemElement,
nsIDOMNode * menuitemNode,
unsigned short menuitemIndex,
nsIWebShell * aWebShell)
{
static const char* NS_STRING_TRUE = "true";
nsAutoString disabled;
nsAutoString checked;
nsAutoString type;
nsAutoString menuitemName;
nsAutoString menuitemCmd;
menuitemElement->GetAttribute(NS_ConvertASCIItoUCS2("disabled"), disabled);
menuitemElement->GetAttribute(NS_ConvertASCIItoUCS2("checked"), checked);
menuitemElement->GetAttribute(NS_ConvertASCIItoUCS2("type"), type);
menuitemElement->GetAttribute(NS_ConvertASCIItoUCS2("value"), menuitemName);
menuitemElement->GetAttribute(NS_ConvertASCIItoUCS2("cmd"), menuitemCmd);
// Create nsMenuItem
nsCOMPtr<nsIMenuItem> pnsMenuItem = do_CreateInstance ( kMenuItemCID ) ;
if ( pnsMenuItem ) {
//printf("menuitem %s \n", menuitemName.ToNewCString());
// Create MenuDelegate - this is the intermediator inbetween
// the DOM node and the nsIMenuItem
// The nsWebShellWindow wacthes for Document changes and then notifies the
// the appropriate nsMenuDelegate object
nsCOMPtr<nsIDOMElement> domElement(do_QueryInterface(menuitemNode));
if (!domElement) {
#if DEBUG_saari
SysBeep(30);
#endif
return;
}
PRBool enabled = ! (disabled.EqualsWithConversion(NS_STRING_TRUE));
nsIMenuItem::EMenuItemType itemType = nsIMenuItem::eRegular;
if ( type.EqualsWithConversion("checkbox") )
itemType = nsIMenuItem::eCheckbox;
else if ( type.EqualsWithConversion("radio") )
itemType = nsIMenuItem::eRadio;
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_ERROR("No webshell");
return;
}
// Create the item. DO NOT use passed in webshell because of messed up windows dynamic loading
// code.
pnsMenuItem->Create(pParentMenu, menuitemName, PR_FALSE, itemType,
enabled, mManager, webShell, menuitemNode);
//
// Set key shortcut and modifiers
//
nsAutoString keyAtom; keyAtom.AssignWithConversion("key");
nsAutoString keyValue;
domElement->GetAttribute(keyAtom, keyValue);
// Try to find the key node.
nsCOMPtr<nsIDocument> document;
nsCOMPtr<nsIContent> content = do_QueryInterface(domElement);
content->GetDocument(*getter_AddRefs(document));
if ( !document ) {
NS_ERROR("Unable to retrieve the document.");
return;
}
// Turn the document into a XUL document so we can use getElementById
nsCOMPtr<nsIDOMXULDocument> xulDocument = do_QueryInterface(document);
if ( !xulDocument ) {
NS_ERROR("not XUL!");
return;
}
nsCOMPtr<nsIDOMElement> keyElement;
xulDocument->GetElementById(keyValue, getter_AddRefs(keyElement));
if ( keyElement ) {
PRUint8 modifiers = knsMenuItemNoModifier;
nsAutoString shiftAtom; shiftAtom.AssignWithConversion("shift");
nsAutoString altAtom; altAtom.AssignWithConversion("alt");
nsAutoString commandAtom; commandAtom.AssignWithConversion("command");
nsAutoString shiftValue;
nsAutoString altValue;
nsAutoString commandValue;
nsAutoString controlValue;
nsAutoString keyChar; keyChar.AssignWithConversion(" ");
keyElement->GetAttribute(keyAtom, keyChar);
keyElement->GetAttribute(shiftAtom, shiftValue);
keyElement->GetAttribute(altAtom, altValue);
keyElement->GetAttribute(commandAtom, commandValue);
nsAutoString xulkey;
keyElement->GetAttribute(NS_ConvertASCIItoUCS2("xulkey"), xulkey);
if (xulkey.EqualsWithConversion("true"))
modifiers |= knsMenuItemCommandModifier;
if(!keyChar.EqualsWithConversion(" "))
pnsMenuItem->SetShortcutChar(keyChar);
if(shiftValue.EqualsWithConversion("true"))
modifiers |= knsMenuItemShiftModifier;
if(altValue.EqualsWithConversion("true"))
modifiers |= knsMenuItemAltModifier;
if(commandValue.EqualsWithConversion("true"))
modifiers |= knsMenuItemCommandModifier;
if(controlValue.EqualsWithConversion("true"))
modifiers |= knsMenuItemControlModifier;
pnsMenuItem->SetModifiers ( modifiers );
}
if(checked.EqualsWithConversion(NS_STRING_TRUE))
pnsMenuItem->SetChecked(PR_TRUE);
else
pnsMenuItem->SetChecked(PR_FALSE);
nsCOMPtr<nsISupports> supports ( do_QueryInterface(pnsMenuItem) );
pParentMenu->AddItem(supports); // Parent now owns menu item
}
}
void
nsMenu::LoadSubMenu( nsIMenu * pParentMenu, nsIDOMElement * menuElement, nsIDOMNode * menuNode )
{
nsAutoString menuName;
menuElement->GetAttribute(NS_ConvertASCIItoUCS2("value"), menuName);
//printf("Creating Menu [%s] \n", menuName.ToNewCString()); // this leaks
// Create nsMenu
nsCOMPtr<nsIMenu> pnsMenu ( do_CreateInstance(kMenuCID) );
if (pnsMenu)
{
// Call Create
nsCOMPtr<nsIWebShell> webShell = do_QueryReferent(mWebShellWeakRef);
if (!webShell) {
NS_ERROR("No web shell");
return;
}
nsCOMPtr<nsISupports> supports(do_QueryInterface(pParentMenu));
pnsMenu->Create(supports, menuName, NS_ConvertASCIItoUCS2(""), mManager, webShell, menuNode);
// set if it's enabled or disabled
nsAutoString disabled;
menuElement->GetAttribute(NS_ConvertASCIItoUCS2("disabled"), disabled);
if ( disabled.EqualsWithConversion("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);
}
}
//
// 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
nsMenu::OnCreate()
{
nsEventStatus status = nsEventStatus_eIgnore;
nsMouseEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_MENU_CREATE;
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_ERROR("No web shell");
return PR_FALSE;
}
nsCOMPtr<nsIPresContext> presContext;
MenuHelpers::WebShellToPresContext(webShell, getter_AddRefs(presContext) );
if ( presContext )
{
nsresult rv = NS_OK;
nsCOMPtr<nsIDOMNode> menuPopup;
GetMenuPopupElement(getter_AddRefs(menuPopup));
nsCOMPtr<nsIContent> popupContent ( do_QueryInterface(menuPopup) );
if ( popupContent )
rv = popupContent->HandleDOMEvent(presContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
else {
nsCOMPtr<nsIContent> me (do_QueryInterface(mDOMNode));
if ( me )
rv = me->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
nsMenu::OnDestroy()
{
if ( mDestroyHandlerCalled )
return PR_TRUE;
nsEventStatus status = nsEventStatus_eIgnore;
nsMouseEvent event;
event.eventStructType = NS_EVENT;
event.message = NS_MENU_DESTROY;
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<nsIPresContext> presContext;
MenuHelpers::WebShellToPresContext (webShell, getter_AddRefs(presContext) );
if (presContext )
{
nsresult rv;
nsCOMPtr<nsIDOMNode> menuPopup;
GetMenuPopupElement(getter_AddRefs(menuPopup));
nsCOMPtr<nsIContent> popupContent ( do_QueryInterface(menuPopup) );
if ( popupContent )
rv = popupContent->HandleDOMEvent(presContext, &event, nsnull, NS_EVENT_FLAG_INIT, &status);
else {
nsCOMPtr<nsIContent> me ( do_QueryInterface(mDOMNode) );
if ( me )
rv = me->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;
}
//
// GetMenuPopupElement
//
// Find the |menupopup| child from the node 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
nsMenu::GetMenuPopupElement(nsIDOMNode** aResult)
{
if (!aResult )
return;
*aResult = nsnull;
nsCOMPtr<nsIDOMNode> menuPopupNode;
mDOMNode->GetFirstChild(getter_AddRefs(menuPopupNode));
while (menuPopupNode)
{
nsCOMPtr<nsIDOMElement> menuPopupElement(do_QueryInterface(menuPopupNode));
if (menuPopupElement) {
nsAutoString menuPopupNodeType;
menuPopupElement->GetNodeName(menuPopupNodeType);
if (menuPopupNodeType.EqualsWithConversion("menupopup")) {
*aResult = menuPopupNode.get();
NS_ADDREF(*aResult);
return;
}
}
nsCOMPtr<nsIDOMNode> oldMenuPopupNode(menuPopupNode);
oldMenuPopupNode->GetNextSibling(getter_AddRefs(menuPopupNode));
}
} // GetMenuPopupElement
nsresult
nsMenu::GetNextVisibleMenu(nsIMenu** outNextVisibleMenu)
{
*outNextVisibleMenu = nsnull;
if (!mMenuBarParent) return NS_ERROR_FAILURE;
PRUint32 numMenus;
mMenuBarParent->GetMenuCount(numMenus);
PRBool gotThisMenu = PR_FALSE;
PRUint32 thisMenuIndex;
// Find this menu
for (PRUint32 i = 0; i < numMenus; i ++)
{
nsCOMPtr<nsIMenu> thisMenu;
mMenuBarParent->GetMenuAt(i, *getter_AddRefs(thisMenu));
if (!thisMenu) continue;
if (gotThisMenu) // we're looking for the next visible
{
nsCOMPtr<nsIDOMNode> menuNode;
thisMenu->GetDOMNode(getter_AddRefs(menuNode));
nsCOMPtr<nsIDOMElement> menuElement = do_QueryInterface(menuNode);
if (!menuElement) continue;
nsAutoString valueString;
menuElement->GetAttribute(NS_ConvertASCIItoUCS2("hidden"), valueString);
if (! valueString.EqualsWithConversion("true"))
{
NS_IF_ADDREF(*outNextVisibleMenu = thisMenu);
break;
}
}
else // we're still looking for this
{
if (thisMenu.get() == (nsIMenu *)this)
{
gotThisMenu = PR_TRUE;
thisMenuIndex = i;
}
}
}
return NS_OK;
}
#pragma mark -
//
// nsIChangeObserver
//
NS_IMETHODIMP
nsMenu::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
nsCOMPtr<nsIAtom> openAtom = NS_NewAtom("open");
if ( aAttribute == openAtom.get() )
return NS_OK;
nsCOMPtr<nsIAtom> disabledAtom = NS_NewAtom("disabled");
nsCOMPtr<nsIAtom> valueAtom = NS_NewAtom("value");
nsCOMPtr<nsIAtom> hiddenAtom = NS_NewAtom("hidden");
nsCOMPtr<nsIDOMElement> domElement = do_QueryInterface(mDOMNode);
if(!domElement) {
NS_ERROR("Unable to QI dom element.");
return NS_OK;
}
if(aAttribute == disabledAtom.get()) // disabled
{
nsAutoString valueString;
domElement->GetAttribute(NS_ConvertASCIItoUCS2("disabled"), valueString);
if(valueString.EqualsWithConversion("true"))
SetEnabled(PR_FALSE);
else
SetEnabled(PR_TRUE);
::DrawMenuBar();
}
else if(aAttribute == valueAtom.get()) // value
{
domElement->GetAttribute(NS_ConvertASCIItoUCS2("value"), mLabel);
::DeleteMenu(mMacMenuID);
mMacMenuHandle = NSStringNewMenu(mMacMenuID, mLabel);
// Replace standard MDEF with our stub MDEF
#if !TARGET_CARBON
if(mMacMenuHandle) {
SInt8 state = ::HGetState((Handle)mMacMenuHandle);
::HLock((Handle)mMacMenuHandle);
//gSystemMDEFHandle = (**mMacMenuHandle).menuProc;
(**mMacMenuHandle).menuProc = gMDEF;
::HSetState((Handle)mMacMenuHandle, state);
}
// Need to get the menuID of the next visible menu
SInt16 nextMenuID = -1; // default to the submenu case
if (mMenuBarParent) // this is a top-level menu
{
nsCOMPtr<nsIMenu> nextVisibleMenu;
GetNextVisibleMenu(getter_AddRefs(nextVisibleMenu));
if (nextVisibleMenu)
{
MenuHandle nextHandle;
nextVisibleMenu->GetNativeData((void **)&nextHandle);
nextMenuID = (nextHandle) ? (**nextHandle).menuID : mMacMenuID + 1;
}
else
{
nextMenuID = mMacMenuID + 1;
}
}
::InsertMenu(mMacMenuHandle, nextMenuID);
if(mMenuBarParent)
{
mMenuBarParent->SetNativeData(::GetMenuBar());
::DrawMenuBar();
}
#else
// what should we do for Carbon?
#endif
}
else if(aAttribute == hiddenAtom.get()) // hidden
{
nsAutoString valueString;
domElement->GetAttribute(NS_ConvertASCIItoUCS2("hidden"), valueString);
if(valueString.EqualsWithConversion("true")) {
// hide this menu
::DeleteMenu(mMacMenuID);
}
else
{
// Need to get the menuID of the next visible menu
SInt16 nextMenuID = -1; // default to the submenu case
if (mMenuBarParent) // this is a top-level menu
{
nsCOMPtr<nsIMenu> nextVisibleMenu;
GetNextVisibleMenu(getter_AddRefs(nextVisibleMenu));
if (nextVisibleMenu)
{
MenuHandle nextHandle;
nextVisibleMenu->GetNativeData((void **)&nextHandle);
nextMenuID = (nextHandle) ? (**nextHandle).menuID : mMacMenuID + 1;
}
else
{
nextMenuID = mMacMenuID + 1;
}
}
// show this menu
::InsertMenu(mMacMenuHandle, nextMenuID);
}
if(mMenuBarParent) {
mMenuBarParent->SetNativeData(::GetMenuBar());
::DrawMenuBar();
}
}
return NS_OK;
} // AttributeChanged
NS_IMETHODIMP
nsMenu :: ContentRemoved(nsIDocument *aDocument, nsIContent *aChild, PRInt32 aIndexInContainer)
{
if(gConstructingMenu)
return NS_OK;
RemoveItem(aIndexInContainer);
mManager->Unregister ( aChild );
return NS_OK;
} // ContentRemoved