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216 lines
5.9 KiB
Plaintext
216 lines
5.9 KiB
Plaintext
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#import <Cocoa/Cocoa.h>
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#include "nsStandaloneNativeMenu.h"
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#include "nsMenuUtilsX.h"
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#include "nsIDOMElement.h"
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#include "nsIMutationObserver.h"
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#include "nsGkAtoms.h"
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#include "nsObjCExceptions.h"
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NS_IMPL_ISUPPORTS_INHERITED(nsStandaloneNativeMenu, nsMenuGroupOwnerX,
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nsIMutationObserver, nsIStandaloneNativeMenu)
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nsStandaloneNativeMenu::nsStandaloneNativeMenu()
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: mMenu(nullptr)
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, mContainerStatusBarItem(nil)
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{
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}
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nsStandaloneNativeMenu::~nsStandaloneNativeMenu()
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{
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if (mMenu) delete mMenu;
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}
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NS_IMETHODIMP
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nsStandaloneNativeMenu::Init(nsIDOMElement * aDOMElement)
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{
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NS_ASSERTION(mMenu == nullptr, "nsNativeMenu::Init - mMenu not null!");
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nsresult rv;
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nsCOMPtr<nsIContent> content = do_QueryInterface(aDOMElement, &rv);
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NS_ENSURE_SUCCESS(rv, rv);
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nsIAtom * tag = content->Tag();
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if (!content->IsXUL() ||
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(tag != nsGkAtoms::menu && tag != nsGkAtoms::menupopup))
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return NS_ERROR_FAILURE;
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rv = nsMenuGroupOwnerX::Create(content);
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if (NS_FAILED(rv))
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return rv;
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mMenu = new nsMenuX();
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rv = mMenu->Create(this, this, content);
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if (NS_FAILED(rv)) {
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delete mMenu;
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mMenu = nullptr;
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return rv;
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}
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mMenu->SetupIcon();
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return NS_OK;
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}
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static void
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UpdateMenu(nsMenuX * aMenu)
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{
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aMenu->MenuOpened();
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aMenu->MenuClosed();
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uint32_t itemCount = aMenu->GetItemCount();
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for (uint32_t i = 0; i < itemCount; i++) {
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nsMenuObjectX * menuObject = aMenu->GetItemAt(i);
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if (menuObject->MenuObjectType() == eSubmenuObjectType) {
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UpdateMenu(static_cast<nsMenuX*>(menuObject));
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}
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}
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}
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NS_IMETHODIMP
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nsStandaloneNativeMenu::MenuWillOpen(bool * aResult)
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{
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NS_ASSERTION(mMenu != nullptr, "nsStandaloneNativeMenu::OnOpen - mMenu is null!");
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// Force an update on the mMenu by faking an open/close on all of
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// its submenus.
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UpdateMenu(mMenu);
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*aResult = true;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsStandaloneNativeMenu::GetNativeMenu(void ** aVoidPointer)
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{
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if (mMenu) {
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*aVoidPointer = mMenu->NativeData();
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[[(NSObject *)(*aVoidPointer) retain] autorelease];
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return NS_OK;
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} else {
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*aVoidPointer = nullptr;
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return NS_ERROR_NOT_INITIALIZED;
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}
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}
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static NSMenuItem *
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NativeMenuItemWithLocation(NSMenu * currentSubmenu, NSString * locationString)
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{
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NSArray * indexes = [locationString componentsSeparatedByString:@"|"];
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NSUInteger indexCount = [indexes count];
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if (indexCount == 0)
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return nil;
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for (NSUInteger i = 0; i < indexCount; i++) {
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NSInteger targetIndex = [[indexes objectAtIndex:i] integerValue];
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NSInteger itemCount = [currentSubmenu numberOfItems];
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if (targetIndex < itemCount) {
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NSMenuItem* menuItem = [currentSubmenu itemAtIndex:targetIndex];
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// If this is the last index, just return the menu item.
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if (i == (indexCount - 1))
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return menuItem;
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// If this is not the last index, find the submenu and keep going.
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if ([menuItem hasSubmenu])
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currentSubmenu = [menuItem submenu];
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else
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return nil;
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}
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}
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return nil;
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}
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NS_IMETHODIMP
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nsStandaloneNativeMenu::ActivateNativeMenuItemAt(const nsAString& indexString)
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{
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NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
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if (!mMenu)
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return NS_ERROR_NOT_INITIALIZED;
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NSString * locationString = [NSString stringWithCharacters:reinterpret_cast<const unichar*>(indexString.BeginReading())
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length:indexString.Length()];
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NSMenu * menu = static_cast<NSMenu *> (mMenu->NativeData());
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NSMenuItem * item = NativeMenuItemWithLocation(menu, locationString);
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// We can't perform an action on an item with a submenu, that will raise
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// an obj-c exception.
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if (item && ![item hasSubmenu]) {
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NSMenu * parent = [item menu];
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if (parent) {
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// NSLog(@"Performing action for native menu item titled: %@\n",
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// [[currentSubmenu itemAtIndex:targetIndex] title]);
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[parent performActionForItemAtIndex:[parent indexOfItem:item]];
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return NS_OK;
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}
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}
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return NS_ERROR_FAILURE;
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NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
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}
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NS_IMETHODIMP
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nsStandaloneNativeMenu::ForceUpdateNativeMenuAt(const nsAString& indexString)
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{
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if (!mMenu)
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return NS_ERROR_NOT_INITIALIZED;
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NSString* locationString = [NSString stringWithCharacters:reinterpret_cast<const unichar*>(indexString.BeginReading())
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length:indexString.Length()];
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NSArray* indexes = [locationString componentsSeparatedByString:@"|"];
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unsigned int indexCount = [indexes count];
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if (indexCount == 0)
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return NS_OK;
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nsMenuX* currentMenu = mMenu;
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// now find the correct submenu
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for (unsigned int i = 1; currentMenu && i < indexCount; i++) {
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int targetIndex = [[indexes objectAtIndex:i] intValue];
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int visible = 0;
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uint32_t length = currentMenu->GetItemCount();
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for (unsigned int j = 0; j < length; j++) {
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nsMenuObjectX* targetMenu = currentMenu->GetItemAt(j);
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if (!targetMenu)
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return NS_OK;
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if (!nsMenuUtilsX::NodeIsHiddenOrCollapsed(targetMenu->Content())) {
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visible++;
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if (targetMenu->MenuObjectType() == eSubmenuObjectType && visible == (targetIndex + 1)) {
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currentMenu = static_cast<nsMenuX*>(targetMenu);
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// fake open/close to cause lazy update to happen
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currentMenu->MenuOpened();
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currentMenu->MenuClosed();
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break;
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}
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}
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}
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}
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return NS_OK;
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}
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void
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nsStandaloneNativeMenu::IconUpdated()
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{
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if (mContainerStatusBarItem) {
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[mContainerStatusBarItem setImage:[mMenu->NativeMenuItem() image]];
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}
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}
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void
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nsStandaloneNativeMenu::SetContainerStatusBarItem(NSStatusItem* aItem)
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{
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mContainerStatusBarItem = aItem;
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IconUpdated();
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}
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