author | hgs |
Tue, 13 Jul 2010 22:03:02 +0300 | |
changeset 13 | 5168dbe2168a |
parent 5 | 627c4a0fd0e7 |
child 21 | 4633027730f5 |
child 34 | ed14f46c0e55 |
permissions | -rw-r--r-- |
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/**************************************************************************** |
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** |
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** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
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** All rights reserved. |
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** Contact: Nokia Corporation (developer.feedback@nokia.com) |
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** |
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** This file is part of the HbCore module of the UI Extensions for Mobile. |
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** |
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** GNU Lesser General Public License Usage |
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** This file may be used under the terms of the GNU Lesser General Public |
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** License version 2.1 as published by the Free Software Foundation and |
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** appearing in the file LICENSE.LGPL included in the packaging of this file. |
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** Please review the following information to ensure the GNU Lesser General |
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** Public License version 2.1 requirements will be met: |
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
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** |
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** In addition, as a special exception, Nokia gives you certain additional |
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** rights. These rights are described in the Nokia Qt LGPL Exception |
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
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** |
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** If you have questions regarding the use of this file, please contact |
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** Nokia at developer.feedback@nokia.com. |
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** |
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****************************************************************************/ |
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#include "hbdevicefadecontrol_p.h" |
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#include <e32base.h> |
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#include <e32std.h> |
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#include <e32property.h> |
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#include <QApplication> |
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#include <QEvent> |
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// There is only one fade control setter, all other applications are getters. |
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// Device dialog is the setter. |
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const TUid PropertyCategoryUid = {0x20022FC5}; |
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const TUint FadeKey = 'fade'; |
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class HbDeviceFadeControlPrivate : public CActive |
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{ |
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public: |
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struct FadeControl { |
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int fadeOff: 1; // command for application to unfade |
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int spare: 31; |
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}; |
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public: |
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HbDeviceFadeControlPrivate(HbDeviceFadeControl *parent); |
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~HbDeviceFadeControlPrivate(); |
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FadeControl get(); |
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void set(FadeControl control); |
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void start(); |
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static void create(HbDeviceFadeControl *parent); |
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public: // from CActive |
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void RunL(); |
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void DoCancel(); |
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public: |
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HbDeviceFadeControl *p; |
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RProperty mProperty; |
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bool mIsSetter; |
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FadeControl mSetValue; |
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}; |
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HbDeviceFadeControlPrivate::HbDeviceFadeControlPrivate(HbDeviceFadeControl *parent) : |
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CActive(EPriorityHigh), p(parent) |
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{ |
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RProcess process; |
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mIsSetter = process.SecureId().operator TUid() == PropertyCategoryUid; |
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mSetValue.fadeOff = false; |
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mSetValue.spare = 0; |
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// Device dialog server is a writer and creates the property. |
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if (mIsSetter) { |
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_LIT_SECURITY_POLICY_PASS(KRdPolicy); // all pass |
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_LIT_SECURITY_POLICY_S0(KWrPolicy, PropertyCategoryUid.iUid); // pass device dialog server |
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mProperty.Define(PropertyCategoryUid, FadeKey, RProperty::EInt, KRdPolicy, KWrPolicy); |
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} |
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mProperty.Attach(PropertyCategoryUid, FadeKey); |
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if (!mIsSetter) { |
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CActiveScheduler::Add(this); |
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start(); |
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} |
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process.Close(); |
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} |
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HbDeviceFadeControlPrivate::~HbDeviceFadeControlPrivate() |
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{ |
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Cancel(); |
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mProperty.Close(); |
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} |
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// Get fade control |
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HbDeviceFadeControlPrivate::FadeControl HbDeviceFadeControlPrivate::get() |
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{ |
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union { |
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FadeControl asBits; |
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TInt asInt; |
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} fadeControl; |
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fadeControl.asInt = 0; |
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if (!mIsSetter) { |
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mProperty.Get(PropertyCategoryUid, FadeKey, fadeControl.asInt); |
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109 |
} |
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return fadeControl.asBits; |
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111 |
} |
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112 |
|
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// Set (write) fade control |
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void HbDeviceFadeControlPrivate::set(FadeControl control) |
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115 |
{ |
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if (mIsSetter && control.fadeOff != mSetValue.fadeOff) { |
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mSetValue.fadeOff = control.fadeOff; |
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118 |
union { |
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FadeControl asBits; |
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TInt asInt; |
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} fadeControl; |
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fadeControl.asBits = mSetValue; |
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mProperty.Set(PropertyCategoryUid, FadeKey, fadeControl.asInt); |
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if (!mSetValue.fadeOff) { |
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// If underlying applications are to restore their fading, set this process priority |
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// to background to allow faster restore. |
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//RProcess().SetPriority(EPriorityBackground); |
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128 |
} |
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129 |
} |
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130 |
} |
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131 |
|
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132 |
// Start property watch request |
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133 |
void HbDeviceFadeControlPrivate::start() |
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134 |
{ |
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mProperty.Subscribe(iStatus); |
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SetActive(); |
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137 |
} |
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138 |
|
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// Create private if not yet created |
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void HbDeviceFadeControlPrivate::create(HbDeviceFadeControl *parent) |
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141 |
{ |
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142 |
if (!parent->d) { |
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parent->d = new HbDeviceFadeControlPrivate(parent); |
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144 |
} |
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145 |
} |
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146 |
|
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147 |
|
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148 |
// Property value has changed |
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149 |
void HbDeviceFadeControlPrivate::RunL() |
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150 |
{ |
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151 |
TInt completionCode = iStatus.Int(); |
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if (completionCode != KErrCancel) { |
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start(); |
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154 |
} |
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if (completionCode == KErrNone) { |
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156 |
emit p->fadeChange(get().fadeOff); |
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157 |
} |
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158 |
} |
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159 |
|
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160 |
// Cancel property subscribe |
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161 |
void HbDeviceFadeControlPrivate::DoCancel() |
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162 |
{ |
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163 |
mProperty.Cancel(); |
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164 |
} |
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165 |
|
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166 |
HbDeviceFadeControl::HbDeviceFadeControl(QObject *parent) : QObject(parent) |
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167 |
{ |
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168 |
// Creation of private is delayed until any popups are created |
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d = 0; |
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170 |
} |
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171 |
|
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172 |
HbDeviceFadeControl::~HbDeviceFadeControl() |
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173 |
{ |
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174 |
delete d; |
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175 |
} |
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176 |
|
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177 |
// Return background fading off control |
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178 |
bool HbDeviceFadeControl::fadeOff() |
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179 |
{ |
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HbDeviceFadeControlPrivate::create(this); // create private if not created |
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181 |
return d->get().fadeOff; |
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182 |
} |
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183 |
|
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184 |
// Set (write) background fading off control |
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185 |
void HbDeviceFadeControl::setFadeOff(bool fadeOff) |
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186 |
{ |
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HbDeviceFadeControlPrivate::create(this); // create private if not created |
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188 |
HbDeviceFadeControlPrivate::FadeControl control = {0, 0}; |
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control.fadeOff = fadeOff; |
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d->set(control); |
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191 |
} |
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192 |
|
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193 |
// Return if this fade controll is a setter. There is only one setter |
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// (device dialog server)in a device. All other instances are getters. |
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195 |
bool HbDeviceFadeControl::isSetter() |
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196 |
{ |
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197 |
HbDeviceFadeControlPrivate::create(this); // create private if not created |
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return d->mIsSetter; |
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199 |
} |