Make plain executables foreground processes.

Non-bundled executables are started as background
processes which does not have a dock icon or a task
switcher entry. This is generally not what we want
for Qt gui applications so change the process type.

Change-Id: I0d29eb9b70655e95bc0b9500803fbf3955d264e4
Reviewed-on: http://codereview.qt.nokia.com/3387
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Richard Moe Gustavsen <richard.gustavsen@nokia.com>

4 files changed, 215 insertions, 2 deletions

diff --git a/src/plugins/platforms/cocoa/cocoa.pro b/src/plugins/platforms/cocoa/cocoa.pro
index 8f74ccc710..afc094c4cb 100644
--- a/src/plugins/platforms/cocoa/cocoa.pro
+++ b/src/plugins/platforms/cocoa/cocoa.pro
@@ -12,7 +12,8 @@ OBJECTIVE_SOURCES += main.mm \
     qcocoaglcontext.mm \
     qcocoanativeinterface.mm \
     qcocoaeventdispatcher.mm \
-    qcocoamenuloader.mm
+    qcocoamenuloader.mm \
+    qcocoahelpers.mm \
 
 HEADERS += qcocoaintegration.h \
     qcocoabackingstore.h \
@@ -23,7 +24,9 @@ HEADERS += qcocoaintegration.h \
     qcocoaglcontext.h \
     qcocoanativeinterface.h \
     qcocoaeventdispatcher.h \
-    qcocoamenuloader.h
+    qcocoamenuloader.h \
+    qcocoahelpers.h \
+
 
 RESOURCES += qcocoaresources.qrc
 
diff --git a/src/plugins/platforms/cocoa/qcocoahelpers.h b/src/plugins/platforms/cocoa/qcocoahelpers.h
new file mode 100644
index 0000000000..3e978cf858
--- /dev/null
+++ b/src/plugins/platforms/cocoa/qcocoahelpers.h
@@ -0,0 +1,81 @@
+/****************************************************************************
+ **
+ ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+ ** All rights reserved.
+ ** Contact: Nokia Corporation (qt-info@nokia.com)
+ **
+ ** This file is part of the plugins of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+ ** GNU Lesser General Public License Usage
+ ** This file may be used under the terms of the GNU Lesser General Public
+ ** License version 2.1 as published by the Free Software Foundation and
+ ** appearing in the file LICENSE.LGPL included in the packaging of this
+ ** file. Please review the following information to ensure the GNU Lesser
+ ** General Public License version 2.1 requirements will be met:
+ ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+ **
+ ** In addition, as a special exception, Nokia gives you certain additional
+ ** rights. These rights are described in the Nokia Qt LGPL Exception
+ ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+ **
+ ** GNU General Public License Usage
+ ** Alternatively, this file may be used under the terms of the GNU General
+ ** Public License version 3.0 as published by the Free Software Foundation
+ ** and appearing in the file LICENSE.GPL included in the packaging of this
+ ** file. Please review the following information to ensure the GNU General
+ ** Public License version 3.0 requirements will be met:
+ ** http://www.gnu.org/copyleft/gpl.html.
+ **
+ ** Other Usage
+ ** Alternatively, this file may be used in accordance with the terms and
+ ** conditions contained in a signed written agreement between you and Nokia.
+ **
+ **
+ **
+ **
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+#ifndef QCOCOAHELPERS_H
+#define QCOCOAHELPERS_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It provides helper functions
+// for the Cocoa lighthouse plugin. This header file may
+// change from version to version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/private/qcore_mac_p.h>
+#include <Cocoa/Cocoa.h>
+
+class QString;
+
+// Conversion functions
+QStringList qt_mac_NSArrayToQStringList(void *nsarray);
+void *qt_mac_QStringListToNSMutableArrayVoid(const QStringList &list);
+
+inline NSMutableArray *qt_mac_QStringListToNSMutableArray(const QStringList &qstrlist)
+{ return reinterpret_cast<NSMutableArray *>(qt_mac_QStringListToNSMutableArrayVoid(qstrlist)); }
+
+inline QString qt_mac_NSStringToQString(const NSString *nsstr)
+{ return QCFString::toQString(reinterpret_cast<const CFStringRef>(nsstr)); }
+
+inline NSString *qt_mac_QStringToNSString(const QString &qstr)
+{ return [reinterpret_cast<const NSString *>(QCFString::toCFStringRef(qstr)) autorelease]; }
+
+// Misc
+
+void qt_mac_transformProccessToForegroundApplication();
+
+
+
+#endif //QCOCOAHELPERS_H
+
diff --git a/src/plugins/platforms/cocoa/qcocoahelpers.mm b/src/plugins/platforms/cocoa/qcocoahelpers.mm
new file mode 100644
index 0000000000..335da680ac
--- /dev/null
+++ b/src/plugins/platforms/cocoa/qcocoahelpers.mm
@@ -0,0 +1,120 @@
+/****************************************************************************
+ **
+ ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+ ** All rights reserved.
+ ** Contact: Nokia Corporation (qt-info@nokia.com)
+ **
+ ** This file is part of the plugins of the Qt Toolkit.
+ **
+ ** $QT_BEGIN_LICENSE:LGPL$
+ ** GNU Lesser General Public License Usage
+ ** This file may be used under the terms of the GNU Lesser General Public
+ ** License version 2.1 as published by the Free Software Foundation and
+ ** appearing in the file LICENSE.LGPL included in the packaging of this
+ ** file. Please review the following information to ensure the GNU Lesser
+ ** General Public License version 2.1 requirements will be met:
+ ** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+ **
+ ** In addition, as a special exception, Nokia gives you certain additional
+ ** rights. These rights are described in the Nokia Qt LGPL Exception
+ ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+ **
+ ** GNU General Public License Usage
+ ** Alternatively, this file may be used under the terms of the GNU General
+ ** Public License version 3.0 as published by the Free Software Foundation
+ ** and appearing in the file LICENSE.GPL included in the packaging of this
+ ** file. Please review the following information to ensure the GNU General
+ ** Public License version 3.0 requirements will be met:
+ ** http://www.gnu.org/copyleft/gpl.html.
+ **
+ ** Other Usage
+ ** Alternatively, this file may be used in accordance with the terms and
+ ** conditions contained in a signed written agreement between you and Nokia.
+ **
+ **
+ **
+ **
+ **
+ ** $QT_END_LICENSE$
+ **
+ ****************************************************************************/
+
+#include "qcocoahelpers.h"
+
+#include <QtCore>
+#include <QtGui>
+
+//
+// Conversion Functions
+//
+
+QStringList qt_mac_NSArrayToQStringList(void *nsarray)
+{
+    QStringList result;
+    NSArray *array = static_cast<NSArray *>(nsarray);
+    for (NSUInteger i=0; i<[array count]; ++i)
+        result << qt_mac_NSStringToQString([array objectAtIndex:i]);
+    return result;
+}
+
+void *qt_mac_QStringListToNSMutableArrayVoid(const QStringList &list)
+{
+    NSMutableArray *result = [NSMutableArray arrayWithCapacity:list.size()];
+    for (int i=0; i<list.size(); ++i){
+        [result addObject:reinterpret_cast<const NSString *>(QCFString::toCFStringRef(list[i]))];
+    }
+    return result;
+}
+
+
+//
+// Misc
+//
+
+// Changes the process type for this process to kProcessTransformToForegroundApplication,
+// unless either LSUIElement or LSBackgroundOnly is set in the Info.plist.
+void qt_mac_transformProccessToForegroundApplication()
+{
+    ProcessSerialNumber psn;
+    if (GetCurrentProcess(&psn) == noErr) {
+        bool forceTransform = true;
+        CFTypeRef value = CFBundleGetValueForInfoDictionaryKey(CFBundleGetMainBundle(),
+                                                               CFSTR("LSUIElement"));
+        if (value) {
+            CFTypeID valueType = CFGetTypeID(value);
+            // Officially it's supposed to be a string, a boolean makes sense, so we'll check.
+            // A number less so, but OK.
+            if (valueType == CFStringGetTypeID())
+                forceTransform = !(QCFString::toQString(static_cast<CFStringRef>(value)).toInt());
+            else if (valueType == CFBooleanGetTypeID())
+                forceTransform = !CFBooleanGetValue(static_cast<CFBooleanRef>(value));
+            else if (valueType == CFNumberGetTypeID()) {
+                int valueAsInt;
+                CFNumberGetValue(static_cast<CFNumberRef>(value), kCFNumberIntType, &valueAsInt);
+                forceTransform = !valueAsInt;
+            }
+        }
+
+        if (forceTransform) {
+            value = CFBundleGetValueForInfoDictionaryKey(CFBundleGetMainBundle(),
+                                                         CFSTR("LSBackgroundOnly"));
+            if (value) {
+                CFTypeID valueType = CFGetTypeID(value);
+                if (valueType == CFBooleanGetTypeID())
+                    forceTransform = !CFBooleanGetValue(static_cast<CFBooleanRef>(value));
+                else if (valueType == CFStringGetTypeID())
+                    forceTransform = !(QCFString::toQString(static_cast<CFStringRef>(value)).toInt());
+                else if (valueType == CFNumberGetTypeID()) {
+                    int valueAsInt;
+                    CFNumberGetValue(static_cast<CFNumberRef>(value), kCFNumberIntType, &valueAsInt);
+                    forceTransform = !valueAsInt;
+                }
+            }
+        }
+
+        if (forceTransform) {
+            TransformProcessType(&psn, kProcessTransformToForegroundApplication);
+        }
+    }
+}
+
diff --git a/src/plugins/platforms/cocoa/qcocoaintegration.mm b/src/plugins/platforms/cocoa/qcocoaintegration.mm
index 4a798e4287..1d06c182e6 100644
--- a/src/plugins/platforms/cocoa/qcocoaintegration.mm
+++ b/src/plugins/platforms/cocoa/qcocoaintegration.mm
@@ -46,6 +46,7 @@
 #include "qcocoanativeinterface.h"
 #include "qcocoamenuloader.h"
 #include "qcocoaeventdispatcher.h"
+#include "qcocoahelpers.h"
 
 #include <QtPlatformSupport/private/qbasicunixfontdatabase_p.h>
 
@@ -81,12 +82,20 @@ QCocoaIntegration::QCocoaIntegration()
     [NSApplication sharedApplication];
 //    [[OurApplication alloc] init];
 
+    // Applications launched from plain executables (without an app
+    // bundle) are "background" applications that does not take keybaord
+    // focus or have a dock icon or task switcher entry. Qt Gui apps generally
+    // wants to be foreground applications so change the process type. (But
+    // see the function implementation for exceptions.)
+    qt_mac_transformProccessToForegroundApplication();
+
     // Move the application window to front to avoid launching behind the terminal.
     // Ignoring other apps is neccessary (we must ignore the terminal), but makes
     // Qt apps play slightly less nice with other apps when lanching from Finder
     // (See the activateIgnoringOtherApps docs.)
     [[NSApplication sharedApplication] activateIgnoringOtherApps : YES];
 
+    // Load the application menu. This menu contains Preferences, Hide, Quit.
     QT_MANGLE_NAMESPACE(QCocoaMenuLoader) *qtMenuLoader = [[QT_MANGLE_NAMESPACE(QCocoaMenuLoader) alloc] init];
     qt_mac_loadMenuNib(qtMenuLoader);
     [[NSApplication sharedApplication] setMenu:[qtMenuLoader menu]];