|
1 /* |
|
2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Declares classes related to Equalizer Settings |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 #ifndef EQUALIZERFREQBAND_H |
|
22 #define EQUALIZERFREQBAND_H |
|
23 |
|
24 // INCLUDES |
|
25 #include <AknDialog.h> |
|
26 #include "EqualizerPrivateConstants.h" |
|
27 |
|
28 // FORWARD DECLARATIONS |
|
29 class CAudioEqualizerUtility; |
|
30 class CAudioEqualizer; |
|
31 |
|
32 // CLASS DECLARATIONS |
|
33 |
|
34 NONSHARABLE_CLASS(CEqualizerFreqBand) : public CCoeControl |
|
35 { |
|
36 public: // Constructors and destructor |
|
37 /** |
|
38 * This function is called to create an object of |
|
39 * type CEqualizerFreqBand - Two phase Construction |
|
40 * @since 3.0 |
|
41 * @param aaEqEditingDialog a reference to CEqualizerEditingDialog |
|
42 * @param aAudEqUtility a reference to CAudioEqualizerUtility |
|
43 * @param aPresetIndex the index of the Preset being edited |
|
44 * @param aIsActivePreset whether the preset is active or not? |
|
45 * @param aBandIndex the index of the Frequncy band |
|
46 * @param aContainerRect the CEqualizerFreqBandContainer rectangle |
|
47 */ |
|
48 static CEqualizerFreqBand* NewL(CEqualizerEditingDialog* aEqEditingDialog, |
|
49 CAudioEqualizerUtility*& aAudEqUtility, |
|
50 const TInt aPresetIndex, const TBool aIsActivePreset, const TInt aBandIndex, |
|
51 TRect& aContainerRect); |
|
52 /** |
|
53 * This function is called to create an object of |
|
54 * type CEqualizerFreqBand - Two phase Construction |
|
55 * @since 3.0 |
|
56 * @param aaEqEditingDialog a reference to CEqualizerEditingDialog |
|
57 * @param aAudEqUtility a reference to CAudioEqualizerUtility |
|
58 * @param aPresetIndex the index of the Preset being edited |
|
59 * @param aIsActivePreset whether the preset is active or not? |
|
60 * @param aBandIndex the index of the Frequncy band |
|
61 * @param aContainerRect the CEqualizerFreqBandContainer rectangle |
|
62 */ |
|
63 static CEqualizerFreqBand* NewLC(CEqualizerEditingDialog* aEqEditingDialog, |
|
64 CAudioEqualizerUtility*& aAudEqUtility, |
|
65 const TInt aPresetIndex, const TBool aIsActivePreset, const TInt aBandIndex, |
|
66 TRect& aContainerRect); |
|
67 /** |
|
68 * Destructor |
|
69 * @since 3.0 |
|
70 */ |
|
71 virtual ~CEqualizerFreqBand(); |
|
72 |
|
73 public: // Functions from base classes |
|
74 /** |
|
75 * From CCoeControl Called when user presses a key |
|
76 */ |
|
77 TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent, |
|
78 TEventCode aType); |
|
79 |
|
80 public: |
|
81 |
|
82 /** |
|
83 * Function to return the Rect of the controls from the |
|
84 * layout [read from the CDL file]. |
|
85 * TRect aRect : parent controls rect |
|
86 * TInt aVariety : equalizer variety based on the number |
|
87 * of frequnecy bands |
|
88 * TInt aComponentNumber : Controls which are enumerated for |
|
89 * which the rectangle is required from the layout |
|
90 */ |
|
91 static TRect ComponentRect(const TRect& aRect, TInt aVariety, |
|
92 TInt aComponentNumber); |
|
93 |
|
94 private://Constructors |
|
95 /** |
|
96 * This function is called to create an object of |
|
97 * type CEqualizerFreqBand - First phase Constructor |
|
98 * @since 3.0 |
|
99 * @param aaEqEditingDialog a reference to CEqualizerEditingDialog |
|
100 * @param aAudEqUtility a reference to CAudioEqualizerUtility |
|
101 * @param aPresetIndex the index of the Preset being edited |
|
102 * @param aIsActivePreset whether the preset is active or not? |
|
103 * @param aBandIndex the index of the Frequncy band |
|
104 * @param aContainerRect the CEqualizerFreqBandContainer rectangle |
|
105 */ |
|
106 CEqualizerFreqBand(CEqualizerEditingDialog* aEqEditingDialog,CAudioEqualizerUtility*& aAudEqUtility, |
|
107 const TInt aPresetIndex, const TBool aIsActivePreset, |
|
108 const TInt aBandIndex, |
|
109 TRect& aContainerRect); |
|
110 |
|
111 /* |
|
112 * Second Phase Constructor |
|
113 */ |
|
114 void ConstructL(); |
|
115 |
|
116 private: // New functions |
|
117 /** |
|
118 *This function is called to load the bitmaps from the icons file |
|
119 */ |
|
120 void LoadBitmapsL(); |
|
121 |
|
122 /** |
|
123 * This member is called by the Equalizer UI to update the new band |
|
124 * level in the engine |
|
125 * a new preset. |
|
126 * @ since Series 60 3.0 |
|
127 * lastIncFlag : Flag which indicates that the slider has reached the |
|
128 * the limits |
|
129 */ |
|
130 void UpdateBandLevelInEngineL(TBool lastIncFlag); |
|
131 public: // New functions |
|
132 /** |
|
133 * This function is used to set new values for CAudioEqualizerUtility* |
|
134 * @since 3.0 |
|
135 * @param aAudEqUtility New pointer to CAudioEqualizerUtility |
|
136 */ |
|
137 void SetAudioEqualizerL(CAudioEqualizerUtility* aAudEqUtility); |
|
138 |
|
139 #ifdef RD_SCALABLE_UI_V2 |
|
140 /** |
|
141 * This function is used by the frequency band container to send |
|
142 * pointer events to individual bands |
|
143 * @since 3.2 |
|
144 * @param aPointerEvent pointer event |
|
145 */ |
|
146 void HandlePointerEventL(const TPointerEvent& aPointerEvent); |
|
147 #endif //RD_SCALABLE_UI_V2 |
|
148 |
|
149 private: // Functions from base classes |
|
150 /** |
|
151 * From CCoeControl Called to draw a control |
|
152 */ |
|
153 void Draw(const TRect& aRect) const; |
|
154 /** |
|
155 * From CCoeControl Called when the control's size is changed |
|
156 */ |
|
157 void SizeChanged(); |
|
158 /** |
|
159 * From CCoeControl Called when a control's focus is changed |
|
160 */ |
|
161 void FocusChanged(TDrawNow aDrawNow); |
|
162 |
|
163 /** |
|
164 * From CCoeControl |
|
165 * This function is called when there is a skin change or |
|
166 * change in the layout |
|
167 */ |
|
168 void HandleResourceChange(TInt aType); |
|
169 |
|
170 private: //Data |
|
171 //Pointers to hold the equalizer backgroung bitmap and mask |
|
172 CFbsBitmap * iBgBitmap; |
|
173 CFbsBitmap * iBgBitmapMask; |
|
174 |
|
175 //Pointers to hold the equalizer scale bitmap and mask |
|
176 CFbsBitmap * iSliderBitmap; |
|
177 CFbsBitmap * iSliderBitmapMask; |
|
178 |
|
179 // Stores the zero position of mover |
|
180 TInt iZeroPos; |
|
181 // Minimum frequency band decibel level |
|
182 TInt32 iMinBandLevel; |
|
183 // Maximum frequency band decibel level |
|
184 TInt32 iMaxBandLevel; |
|
185 // Used to store a pointer to CEqualizerEditingDialog |
|
186 CEqualizerEditingDialog* iEqEditingDialog; |
|
187 // Used to store a pointer to CAudioEqualizerUtility |
|
188 CAudioEqualizerUtility* iAudEqUtility; |
|
189 // Used to store a pointer to CAudioEqualizer |
|
190 CAudioEqualizer* iAudioEqualizer; |
|
191 // The index of the preset in the array returned by |
|
192 // CAudioEqualizerUtility::Presets() |
|
193 const TInt iPresetIndex; |
|
194 // Used to store the name of the preset |
|
195 TPresetName iPresetName; |
|
196 // Whether the preset displayed is an active preset? |
|
197 const TBool iIsActivePreset; |
|
198 // Index of the Frequency Band as passed to Engine |
|
199 const TInt iBandIndex; |
|
200 // Position of the mover |
|
201 TInt iMoverPos; |
|
202 //Stores the container's rect value |
|
203 TRect& iContainerRect; |
|
204 //Stores the freq band Scale's rectangle |
|
205 TRect iScaleRect; |
|
206 //Stores the slider's rectangle |
|
207 TRect iSliderRect; |
|
208 //Stores the background rectangle |
|
209 TRect iBackgroundRect; |
|
210 //Stores the step count of the slider |
|
211 TInt32 iStepCount; |
|
212 }; |
|
213 |
|
214 |
|
215 #endif //EQUALIZERFREQBAND_H |
|
216 // End of File |