widget/xpwidgets/nsAppShellSingleton.h

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

michael@0 1 /* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 #ifndef nsAppShellSingleton_h__
michael@0 7 #define nsAppShellSingleton_h__
michael@0 8
michael@0 9 /**
michael@0 10 * This file is designed to be included into the file that provides the
michael@0 11 * nsIModule implementation for a particular widget toolkit.
michael@0 12 *
michael@0 13 * The following functions are defined:
michael@0 14 * nsAppShellInit
michael@0 15 * nsAppShellShutdown
michael@0 16 * nsAppShellConstructor
michael@0 17 *
michael@0 18 * The nsAppShellInit function is designed to be used as a module constructor.
michael@0 19 * If you already have a module constructor, then call nsAppShellInit from your
michael@0 20 * module constructor.
michael@0 21 *
michael@0 22 * The nsAppShellShutdown function is designed to be used as a module
michael@0 23 * destructor. If you already have a module destructor, then call
michael@0 24 * nsAppShellShutdown from your module destructor.
michael@0 25 *
michael@0 26 * The nsAppShellConstructor function is designed to be used as a factory
michael@0 27 * method for the nsAppShell class.
michael@0 28 */
michael@0 29
michael@0 30 #include "nsXULAppAPI.h"
michael@0 31 #if defined(MOZ_METRO) && defined(XP_WIN)
michael@0 32 #include "winrt/MetroAppShell.h"
michael@0 33 #endif
michael@0 34
michael@0 35 static nsIAppShell *sAppShell;
michael@0 36
michael@0 37 static nsresult
michael@0 38 nsAppShellInit()
michael@0 39 {
michael@0 40 NS_ASSERTION(!sAppShell, "already initialized");
michael@0 41
michael@0 42 #if !defined(MOZ_METRO) || !defined(XP_WIN)
michael@0 43 sAppShell = new nsAppShell();
michael@0 44 #else
michael@0 45 if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro) {
michael@0 46 sAppShell = new MetroAppShell();
michael@0 47 } else {
michael@0 48 sAppShell = new nsAppShell();
michael@0 49 }
michael@0 50 #endif
michael@0 51 if (!sAppShell)
michael@0 52 return NS_ERROR_OUT_OF_MEMORY;
michael@0 53 NS_ADDREF(sAppShell);
michael@0 54
michael@0 55 nsresult rv;
michael@0 56 #if !defined(MOZ_METRO) || !defined(XP_WIN)
michael@0 57 rv = static_cast<nsAppShell*>(sAppShell)->Init();
michael@0 58 #else
michael@0 59 if (XRE_GetWindowsEnvironment() == WindowsEnvironmentType_Metro) {
michael@0 60 rv = static_cast<MetroAppShell*>(sAppShell)->Init();
michael@0 61 } else {
michael@0 62 rv = static_cast<nsAppShell*>(sAppShell)->Init();
michael@0 63 }
michael@0 64 #endif
michael@0 65 if (NS_FAILED(rv)) {
michael@0 66 NS_RELEASE(sAppShell);
michael@0 67 return rv;
michael@0 68 }
michael@0 69
michael@0 70 return NS_OK;
michael@0 71 }
michael@0 72
michael@0 73 static void
michael@0 74 nsAppShellShutdown()
michael@0 75 {
michael@0 76 NS_RELEASE(sAppShell);
michael@0 77 }
michael@0 78
michael@0 79 static nsresult
michael@0 80 nsAppShellConstructor(nsISupports *outer, const nsIID &iid, void **result)
michael@0 81 {
michael@0 82 NS_ENSURE_TRUE(!outer, NS_ERROR_NO_AGGREGATION);
michael@0 83 NS_ENSURE_TRUE(sAppShell, NS_ERROR_NOT_INITIALIZED);
michael@0 84
michael@0 85 return sAppShell->QueryInterface(iid, result);
michael@0 86 }
michael@0 87
michael@0 88 #endif // nsAppShellSingleton_h__

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