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comparison: widget/cocoa/nsStandaloneNativeMenu.mm
widget/cocoa/nsStandaloneNativeMenu.mm
- changeset 0
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| -1:000000000000 | 0:f6fc0d59d414 |
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| 1 /* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #import <Cocoa/Cocoa.h> | |
| 7 | |
| 8 #include "nsStandaloneNativeMenu.h" | |
| 9 #include "nsMenuUtilsX.h" | |
| 10 #include "nsIDOMElement.h" | |
| 11 #include "nsIMutationObserver.h" | |
| 12 #include "nsGkAtoms.h" | |
| 13 #include "nsObjCExceptions.h" | |
| 14 | |
| 15 | |
| 16 NS_IMPL_ISUPPORTS(nsStandaloneNativeMenu, nsIMutationObserver, nsIStandaloneNativeMenu) | |
| 17 | |
| 18 nsStandaloneNativeMenu::nsStandaloneNativeMenu() | |
| 19 : mMenu(nullptr) | |
| 20 { | |
| 21 } | |
| 22 | |
| 23 nsStandaloneNativeMenu::~nsStandaloneNativeMenu() | |
| 24 { | |
| 25 if (mMenu) delete mMenu; | |
| 26 } | |
| 27 | |
| 28 NS_IMETHODIMP | |
| 29 nsStandaloneNativeMenu::Init(nsIDOMElement * aDOMElement) | |
| 30 { | |
| 31 NS_ASSERTION(mMenu == nullptr, "nsNativeMenu::Init - mMenu not null!"); | |
| 32 | |
| 33 nsresult rv; | |
| 34 | |
| 35 nsCOMPtr<nsIContent> content = do_QueryInterface(aDOMElement, &rv); | |
| 36 NS_ENSURE_SUCCESS(rv, rv); | |
| 37 | |
| 38 nsIAtom * tag = content->Tag(); | |
| 39 if (!content->IsXUL() || | |
| 40 (tag != nsGkAtoms::menu && tag != nsGkAtoms::menupopup)) | |
| 41 return NS_ERROR_FAILURE; | |
| 42 | |
| 43 rv = nsMenuGroupOwnerX::Create(content); | |
| 44 if (NS_FAILED(rv)) | |
| 45 return rv; | |
| 46 | |
| 47 mMenu = new nsMenuX(); | |
| 48 rv = mMenu->Create(this, this, content); | |
| 49 if (NS_FAILED(rv)) { | |
| 50 delete mMenu; | |
| 51 mMenu = nullptr; | |
| 52 return rv; | |
| 53 } | |
| 54 | |
| 55 return NS_OK; | |
| 56 } | |
| 57 | |
| 58 static void | |
| 59 UpdateMenu(nsMenuX * aMenu) | |
| 60 { | |
| 61 aMenu->MenuOpened(); | |
| 62 aMenu->MenuClosed(); | |
| 63 | |
| 64 uint32_t itemCount = aMenu->GetItemCount(); | |
| 65 for (uint32_t i = 0; i < itemCount; i++) { | |
| 66 nsMenuObjectX * menuObject = aMenu->GetItemAt(i); | |
| 67 if (menuObject->MenuObjectType() == eSubmenuObjectType) { | |
| 68 UpdateMenu(static_cast<nsMenuX*>(menuObject)); | |
| 69 } | |
| 70 } | |
| 71 } | |
| 72 | |
| 73 NS_IMETHODIMP | |
| 74 nsStandaloneNativeMenu::MenuWillOpen(bool * aResult) | |
| 75 { | |
| 76 NS_ASSERTION(mMenu != nullptr, "nsStandaloneNativeMenu::OnOpen - mMenu is null!"); | |
| 77 | |
| 78 // Force an update on the mMenu by faking an open/close on all of | |
| 79 // its submenus. | |
| 80 UpdateMenu(mMenu); | |
| 81 | |
| 82 *aResult = true; | |
| 83 return NS_OK; | |
| 84 } | |
| 85 | |
| 86 NS_IMETHODIMP | |
| 87 nsStandaloneNativeMenu::GetNativeMenu(void ** aVoidPointer) | |
| 88 { | |
| 89 if (mMenu) { | |
| 90 *aVoidPointer = mMenu->NativeData(); | |
| 91 [[(NSObject *)(*aVoidPointer) retain] autorelease]; | |
| 92 return NS_OK; | |
| 93 } else { | |
| 94 *aVoidPointer = nullptr; | |
| 95 return NS_ERROR_NOT_INITIALIZED; | |
| 96 } | |
| 97 } | |
| 98 | |
| 99 static NSMenuItem * | |
| 100 NativeMenuItemWithLocation(NSMenu * currentSubmenu, NSString * locationString) | |
| 101 { | |
| 102 NSArray * indexes = [locationString componentsSeparatedByString:@"|"]; | |
| 103 NSUInteger indexCount = [indexes count]; | |
| 104 if (indexCount == 0) | |
| 105 return nil; | |
| 106 | |
| 107 for (NSUInteger i = 0; i < indexCount; i++) { | |
| 108 NSInteger targetIndex = [[indexes objectAtIndex:i] integerValue]; | |
| 109 NSInteger itemCount = [currentSubmenu numberOfItems]; | |
| 110 if (targetIndex < itemCount) { | |
| 111 NSMenuItem* menuItem = [currentSubmenu itemAtIndex:targetIndex]; | |
| 112 | |
| 113 // If this is the last index, just return the menu item. | |
| 114 if (i == (indexCount - 1)) | |
| 115 return menuItem; | |
| 116 | |
| 117 // If this is not the last index, find the submenu and keep going. | |
| 118 if ([menuItem hasSubmenu]) | |
| 119 currentSubmenu = [menuItem submenu]; | |
| 120 else | |
| 121 return nil; | |
| 122 } | |
| 123 } | |
| 124 | |
| 125 return nil; | |
| 126 } | |
| 127 | |
| 128 NS_IMETHODIMP | |
| 129 nsStandaloneNativeMenu::ActivateNativeMenuItemAt(const nsAString& indexString) | |
| 130 { | |
| 131 NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT; | |
| 132 | |
| 133 if (!mMenu) | |
| 134 return NS_ERROR_NOT_INITIALIZED; | |
| 135 | |
| 136 NSString * locationString = [NSString stringWithCharacters:reinterpret_cast<const unichar*>(indexString.BeginReading()) | |
| 137 length:indexString.Length()]; | |
| 138 NSMenu * menu = static_cast<NSMenu *> (mMenu->NativeData()); | |
| 139 NSMenuItem * item = NativeMenuItemWithLocation(menu, locationString); | |
| 140 | |
| 141 // We can't perform an action on an item with a submenu, that will raise | |
| 142 // an obj-c exception. | |
| 143 if (item && ![item hasSubmenu]) { | |
| 144 NSMenu * parent = [item menu]; | |
| 145 if (parent) { | |
| 146 // NSLog(@"Performing action for native menu item titled: %@\n", | |
| 147 // [[currentSubmenu itemAtIndex:targetIndex] title]); | |
| 148 [parent performActionForItemAtIndex:[parent indexOfItem:item]]; | |
| 149 return NS_OK; | |
| 150 } | |
| 151 } | |
| 152 | |
| 153 return NS_ERROR_FAILURE; | |
| 154 | |
| 155 NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT; | |
| 156 } | |
| 157 | |
| 158 NS_IMETHODIMP | |
| 159 nsStandaloneNativeMenu::ForceUpdateNativeMenuAt(const nsAString& indexString) | |
| 160 { | |
| 161 if (!mMenu) | |
| 162 return NS_ERROR_NOT_INITIALIZED; | |
| 163 | |
| 164 NSString* locationString = [NSString stringWithCharacters:reinterpret_cast<const unichar*>(indexString.BeginReading()) | |
| 165 length:indexString.Length()]; | |
| 166 NSArray* indexes = [locationString componentsSeparatedByString:@"|"]; | |
| 167 unsigned int indexCount = [indexes count]; | |
| 168 if (indexCount == 0) | |
| 169 return NS_OK; | |
| 170 | |
| 171 nsMenuX* currentMenu = mMenu; | |
| 172 | |
| 173 // now find the correct submenu | |
| 174 for (unsigned int i = 1; currentMenu && i < indexCount; i++) { | |
| 175 int targetIndex = [[indexes objectAtIndex:i] intValue]; | |
| 176 int visible = 0; | |
| 177 uint32_t length = currentMenu->GetItemCount(); | |
| 178 for (unsigned int j = 0; j < length; j++) { | |
| 179 nsMenuObjectX* targetMenu = currentMenu->GetItemAt(j); | |
| 180 if (!targetMenu) | |
| 181 return NS_OK; | |
| 182 if (!nsMenuUtilsX::NodeIsHiddenOrCollapsed(targetMenu->Content())) { | |
| 183 visible++; | |
| 184 if (targetMenu->MenuObjectType() == eSubmenuObjectType && visible == (targetIndex + 1)) { | |
| 185 currentMenu = static_cast<nsMenuX*>(targetMenu); | |
| 186 // fake open/close to cause lazy update to happen | |
| 187 currentMenu->MenuOpened(); | |
| 188 currentMenu->MenuClosed(); | |
| 189 break; | |
| 190 } | |
| 191 } | |
| 192 } | |
| 193 } | |
| 194 | |
| 195 return NS_OK; | |
| 196 } |
