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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0"" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 #include <QString> |
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18 |
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19 #include "cpthemechanger.h" |
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20 #include "cpthemeutil.h" |
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21 #include "cpthemeinfo.h" |
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22 |
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23 #include <hbinstance.h> |
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24 #include <restricted/hbthemeservices_r.h> |
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25 |
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26 /*! |
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27 \class CpThemeChanger |
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28 |
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29 \brief CpThemeChanger provides an interface for changing the current |
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30 theme. |
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31 This API is only for use with the control panel and its theme |
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32 changing plugin. |
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33 */ |
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34 |
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35 /*! |
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36 Constructor. |
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37 */ |
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38 CpThemeChanger::CpThemeChanger(QObject* p) : |
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39 QObject(p), |
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40 mCurrentTheme(0) |
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41 { |
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42 if(hbInstance->theme()) { |
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43 connect(hbInstance->theme(),SIGNAL(changeFinished()), this, SLOT(changeFinished())); |
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44 } |
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45 |
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46 setCurrentTheme(); |
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47 } |
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48 |
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49 /*! |
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50 Returns a ThemeInfo object containing the current theme name and |
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51 corresponding icons. |
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52 |
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53 If no repersentative icons exist, the HbIcon returned will be |
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54 uninitialized. |
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55 */ |
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56 const CpThemeInfo* CpThemeChanger::currentTheme() const |
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57 { |
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58 return mCurrentTheme; |
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59 } |
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60 |
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61 /*! |
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62 * Private helper function that gets the current theme from hbinstance and s |
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63 * ets class' current theme. |
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64 */ |
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65 void CpThemeChanger::setCurrentTheme() |
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66 { |
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67 QString themeName = ""; |
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68 if (HbInstance::instance()) { |
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69 HbTheme *hbTheme = HbInstance::instance()->theme(); |
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70 if(hbTheme) { |
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71 themeName = hbTheme->name(); |
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72 } |
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73 |
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74 } |
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75 |
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76 if(mCurrentTheme && mCurrentTheme->name() == themeName) { |
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77 return; |
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78 } else { |
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79 //buildThemeInfo creates new theme info. |
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80 CpThemeInfo* tmpTheme = CpThemeUtil::buildThemeInfo(HbThemeServices::themePath(), themeName); |
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81 |
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82 //delete old value. set the new value. |
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83 if(tmpTheme) { |
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84 if(mCurrentTheme){ |
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85 delete mCurrentTheme; |
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86 } |
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87 mCurrentTheme = tmpTheme; |
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88 } |
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89 } |
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90 } |
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91 |
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92 |
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93 /*! |
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94 Change a theme. Returns true on success, false otherwise. |
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95 */ |
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96 bool CpThemeChanger::changeTheme(const CpThemeInfo& newTheme) |
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97 { |
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98 bool result = false; |
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99 // Skip doing this if the request is for the current theme |
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100 if (newTheme.name().isEmpty() || (mCurrentTheme && newTheme.name() == mCurrentTheme->name())) { |
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101 return result; |
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102 } |
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103 |
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104 QString themePath = newTheme.itemData(); |
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105 |
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106 if(!themePath.isEmpty()) { |
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107 HbThemeServices::setTheme(themePath); |
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108 result = true; |
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109 } |
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110 return result; |
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111 } |
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112 |
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113 /*! |
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114 Destructor |
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115 */ |
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116 CpThemeChanger::~CpThemeChanger() |
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117 { |
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118 delete mCurrentTheme; |
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119 mCurrentTheme = 0; |
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120 } |
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121 |
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122 /*! |
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123 * Slot to handle notification from theme server that theme change |
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124 * is done. Notify the owner. |
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125 */ |
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126 void CpThemeChanger::changeFinished() |
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127 { |
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128 setCurrentTheme(); |
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129 emit themeChangeFinished(); |
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130 } |
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131 |
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132 // End of file |
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133 |