|
1 /* |
|
2 * Copyright (c) 2007 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: Definition of the class CFMRadioAlfVisualizer. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifndef FMRADIOALFVISUALIZER_H |
|
20 #define FMRADIOALFVISUALIZER_H |
|
21 |
|
22 // INCLUDES |
|
23 |
|
24 #include <AknUtils.h> |
|
25 #include <alf/alfcontrol.h> |
|
26 #include <alf/alfanchorlayout.h> |
|
27 #include <gesturecontrol.h> |
|
28 #include <gestureobserver.h> |
|
29 |
|
30 #include "fmradiodefines.h" |
|
31 #include "fmradio.hrh" |
|
32 |
|
33 // CONSTANTS |
|
34 |
|
35 /** Scroll directions of the visual objects. */ |
|
36 enum TScrollDirection |
|
37 { |
|
38 EScrollLeftToRight = 0xA0, |
|
39 EScrollRightToLeft, |
|
40 EScrollNone |
|
41 }; |
|
42 |
|
43 /** Possible display styles. */ |
|
44 enum TFMRadioDisplayStyle |
|
45 { |
|
46 EFMRadioDisplaySingleLine = 0, /**< Single line display. */ |
|
47 EFMRadioDisplayDoubleLine, /**< Double line display. */ |
|
48 EFMRadioDisplayTuning, /**< Tuning display. */ |
|
49 EFMRadioDisplayNoDisplay /**< No display used. */ |
|
50 }; |
|
51 |
|
52 /** Display orientations. */ |
|
53 enum TDisplayOrientation |
|
54 { |
|
55 EPortrait = 0x4A, |
|
56 ELandscape, |
|
57 EOrientationNone |
|
58 }; |
|
59 |
|
60 // FORWARD DECLARATIONS |
|
61 |
|
62 class CAlfTextVisual; |
|
63 class CAlfViewportLayout; |
|
64 class CAlfGradientBrush; |
|
65 class CFMRadioAlfBitmapAnimation; |
|
66 class CFMRadioAppUi; |
|
67 class MTouchFeedback; |
|
68 |
|
69 using namespace GestureHelper; |
|
70 // CLASS DEFINITION |
|
71 |
|
72 /** |
|
73 * CFMRadioAlfVisualizer class |
|
74 * |
|
75 * Visualizes informations of the FMRadio to the display by Hitchcock UI Toolkit |
|
76 */ |
|
77 NONSHARABLE_CLASS(CFMRadioAlfVisualizer) : public CGestureControl, public MGestureObserver |
|
78 { |
|
79 public: // Constructors and destructor |
|
80 |
|
81 /** |
|
82 * Epoc two-phased constructor. |
|
83 * @param aEnv Reference to the HitchCock environment instance. |
|
84 * @return Pointer to this Visualizer component. |
|
85 */ |
|
86 static CFMRadioAlfVisualizer* NewL( CAlfEnv& aEnv ); |
|
87 /** |
|
88 * Destructor |
|
89 */ |
|
90 virtual ~CFMRadioAlfVisualizer(); |
|
91 public: // Functions from base classes |
|
92 /** |
|
93 * From CGestureControl/CAlfControl, takes care of alfred event handling. |
|
94 * @param aEvent |
|
95 */ |
|
96 TBool OfferEventL( const TAlfEvent& aEvent ); |
|
97 |
|
98 /** |
|
99 * From CGestureControl, takes care of gesture event handling. |
|
100 * @param aEvent |
|
101 */ |
|
102 void HandleGestureL( const MGestureEvent& aEvent ); |
|
103 public: // New functions |
|
104 /** |
|
105 * Changes station to next with scrolling and fading station's |
|
106 * information (name, frequency, etc.). |
|
107 * @param aChangeType The change type |
|
108 * @param aFirstLine The text shown in the first line |
|
109 * @param aSecondLine The text shown in the second line, or NULL |
|
110 */ |
|
111 void ChangeStationL( TFMRadioStationChangeType aChangeType, |
|
112 const TDesC& aFirstLine, |
|
113 const TDesC* aSecondLine = NULL ); |
|
114 /** |
|
115 * Scrolls out the current station information lines by |
|
116 * hiding actual visuals and scrolling out the created temporary information lines. |
|
117 * @param aChangeType Station change type |
|
118 */ |
|
119 void ScrollOutCurrentStationInformationL( TFMRadioStationChangeType aChangeType ); |
|
120 /** |
|
121 * Resets the station information and sets static text to the third line |
|
122 * @param aInfoText an information text to show |
|
123 * @param aChangeType The change type |
|
124 */ |
|
125 void SetStaticInfoTextL( TFMRadioStationChangeType aChangeType, const TDesC& aInfoText ); |
|
126 /** |
|
127 * Change text color of the text visuals |
|
128 * @param aTextColor Color of the visual texts |
|
129 */ |
|
130 void SetStationInformationTextColor( const TRgb& aTextColor ); |
|
131 /** |
|
132 * Sets the display style in use. |
|
133 * @param aDisplayStyle Display style to use. |
|
134 */ |
|
135 void SetDisplayStyle( TFMRadioDisplayStyle aDisplayStyle ); |
|
136 /** |
|
137 * Returns the display style. |
|
138 * @return Display style. |
|
139 */ |
|
140 TFMRadioDisplayStyle DisplayStyle() const; |
|
141 /** |
|
142 * Calculates display layout |
|
143 */ |
|
144 void UpdateLayout(); |
|
145 /** |
|
146 * Return orientation of the display |
|
147 */ |
|
148 TDisplayOrientation Orientation(); |
|
149 /** |
|
150 * Set orientation of the display |
|
151 * @param aOrientation Orientation of the display |
|
152 */ |
|
153 void SetOrientation( TDisplayOrientation aOrientation ); |
|
154 /** |
|
155 * Set mirrored layout state |
|
156 * @param aIsMirrored state |
|
157 */ |
|
158 void SetMirrored( const TBool aIsMirrored ); |
|
159 /** |
|
160 * @return Mirrored layout state |
|
161 */ |
|
162 TBool IsMirrored() const; |
|
163 |
|
164 /** |
|
165 * Starts tuning animation after delay |
|
166 */ |
|
167 void StartTuningAnimation(); |
|
168 |
|
169 /** |
|
170 * Stops tuning animation by fading it away |
|
171 */ |
|
172 void StopTuningAnimation(); |
|
173 private: |
|
174 /** |
|
175 * C++ default constructor |
|
176 */ |
|
177 CFMRadioAlfVisualizer( ); |
|
178 /** |
|
179 * EPOC second phase constructor. |
|
180 * @param aEnv Reference to the Hitchcock environment instance. |
|
181 */ |
|
182 void ConstructL( CAlfEnv& aEnv ); |
|
183 private: // New functions |
|
184 |
|
185 /** The visuals of the station information display. */ |
|
186 enum TStationInformationVisual |
|
187 { |
|
188 EFirstLineTextVisual = 0x1, /**< Text visual of the first line. */ |
|
189 ESecondLineTextVisual = 0x2, /**< Text visual of the second line. */ |
|
190 ETuningTextVisual = 0x4, /* Tuning text visual. */ |
|
191 EAllVisuals = EFirstLineTextVisual | |
|
192 ESecondLineTextVisual | |
|
193 ETuningTextVisual |
|
194 }; |
|
195 |
|
196 /** |
|
197 * Specifies the axis that is currently used in the station info drag |
|
198 */ |
|
199 enum TFMRadioDragAxis |
|
200 { |
|
201 EFMRadioDragAxisNone = 0, |
|
202 EFMRadioDragAxisX, |
|
203 EFMRadioDragAxisY |
|
204 }; |
|
205 |
|
206 /** |
|
207 * Sets text to the defined station information visual. |
|
208 * @param aVisual The text visual object for showing |
|
209 * @param aText Text |
|
210 */ |
|
211 void SetVisualTextL( TStationInformationVisual aVisual, const TDesC& aText ); |
|
212 /** |
|
213 * Shows the defined station information visual. |
|
214 * @param aVisual The text visual object for showing |
|
215 * @param aFade <code>ETrue</code> if fade effect it to be used, <code>EFalse</code> otherwise. |
|
216 */ |
|
217 void ShowVisual( TStationInformationVisual aVisual, TBool aFade ); |
|
218 /** |
|
219 * Hides the defined station information visual. |
|
220 * @param aVisual The text visual object for hiding |
|
221 */ |
|
222 void HideVisual( TStationInformationVisual aVisual ); |
|
223 /** |
|
224 * Sets and starts scrolling and fading animations to CAlfTextVisual. |
|
225 * The visual object is scrolled from right side of the display to |
|
226 * original position of the visual object. |
|
227 * @param aVisual a pointer to the visual object |
|
228 */ |
|
229 void ScrollRightToLeftWithFadeIn( CAlfVisual& aVisual ) const; |
|
230 /** |
|
231 * Sets and starts scrolling and fading animations to CAlfTextVisual. |
|
232 * The visual object is scrolled from left side of the display to |
|
233 * original position of the visual object. |
|
234 * @param aVisual a pointer to the visual object |
|
235 */ |
|
236 void ScrollLeftToRightWithFadeIn( CAlfVisual& aVisual ) const; |
|
237 /** |
|
238 * Sets and starts scrolling and fading animations to CAlfTextVisual. |
|
239 * The visual object is scrolled from top of the display to |
|
240 * original position of the visual object. |
|
241 * @param aVisual a pointer to the visual object |
|
242 */ |
|
243 void ScrollInFromTop( CAlfVisual& aVisual ) const; |
|
244 /** |
|
245 * Sets and starts scrolling and fading animations to CAlfTextVisual. |
|
246 * The visual object is scrolled from bottom of the display to |
|
247 * original position of the visual object. |
|
248 * @param aVisual a pointer to the visual object |
|
249 */ |
|
250 void ScrollInFromBottom( CAlfVisual& aVisual ) const; |
|
251 /** |
|
252 * Moves the visual back to it's original position |
|
253 * @param aVisual The visual to be moved |
|
254 */ |
|
255 void RevertVisual( CAlfVisual& aVisual ); |
|
256 /** |
|
257 * Sets and starts scrolling animation to CAlfVisual. |
|
258 * The visual object is scrolled from current position to |
|
259 * right side of the display |
|
260 * @param aVisual a reference to the visual object |
|
261 * @param aTime Time duration after the visual object has been scrolled to the target. |
|
262 * Scrolling duration in milliseconds. |
|
263 */ |
|
264 void ScrollToRight( CAlfVisual& aVisual, TInt aTime ) const; |
|
265 /** |
|
266 * Sets and starts scrolling animation to CAlfVisual. |
|
267 * The visual object is scrolled from current position to |
|
268 * left side of the display |
|
269 * @param aVisual a reference to the visual object |
|
270 * @param aTime Time duration after the visual object has been scrolled to the target. |
|
271 * Scrolling duration in milliseconds. |
|
272 */ |
|
273 void ScrollToLeft( CAlfVisual& aVisual, TInt aTime ) const; |
|
274 /** |
|
275 * Sets and starts scrolling animation to CAlfVisual. |
|
276 * The visual object is scrolled from current position above the the display |
|
277 * @param aVisual a reference to the visual object |
|
278 * @param aTime Time duration after the visual object has been scrolled to the target. |
|
279 * Scrolling duration in milliseconds. |
|
280 */ |
|
281 void ScrollUp( CAlfVisual& aVisual, TInt aTime ) const; |
|
282 /** |
|
283 * Sets and starts scrolling animation to CAlfVisual. |
|
284 * The visual object is scrolled from current position below the the display |
|
285 * @param aVisual a reference to the visual object |
|
286 * @param aTime Time duration after the visual object has been scrolled to the target. |
|
287 * Scrolling duration in milliseconds. |
|
288 */ |
|
289 void ScrollDown( CAlfVisual& aVisual, TInt aTime ) const; |
|
290 /** |
|
291 * Sets fade-in animation to the CAlfVisual. |
|
292 * @param aVisual a reference to the visual object |
|
293 * @param aFadingTime Time duration after the visual object has been faded in. |
|
294 * Fading duration in milliseconds |
|
295 * @param aOpacity Target opacity value |
|
296 */ |
|
297 void FadeIn( CAlfVisual& aVisual, TInt aFadingTime, TReal aOpacity = 1.0f ) const; |
|
298 /** |
|
299 * Sets fade-out animation to the CAlfVisual. |
|
300 * @param aVisual a reference to the visual object |
|
301 * @param aFadingTime Time duration after the visual object has been faded out. |
|
302 * Fading duration in milliseconds |
|
303 * @param aOpacity Target opacity value |
|
304 */ |
|
305 void FadeOut( CAlfVisual& aVisual, TInt aFadingTime, TReal aOpacity = 0.0f ) const; |
|
306 /** |
|
307 * Translates the visual object with passed arguments |
|
308 * @param aTextVisual a pointer to the visual object |
|
309 * @param aX Translation value in the horizontal direction |
|
310 * @param aY Translation value in the vertical direction |
|
311 */ |
|
312 void Translate( CAlfTextVisual* aTextVisual, const TAlfTimedValue& aX, const TAlfTimedValue& aY ); |
|
313 /** |
|
314 * Removes all transformations of the visual object such as the scaling and translating. |
|
315 * @param aTextVisual a pointer to the visual object |
|
316 */ |
|
317 void LoadTextVisualIdentity( CAlfTextVisual* aTextVisual ); |
|
318 /** |
|
319 * Sets absolute rect of the anchor by top left and bottom right points. |
|
320 * @param aAnchor Anchor layout for setting placement |
|
321 * @param aOrdinal Index of visual element |
|
322 * @param aTopLeftPosition Top left point of the rect |
|
323 * @param aBottomRightPosition Bottom right point of the rect |
|
324 */ |
|
325 void SetAbsoluteCornerAnchors( CAlfAnchorLayout* aAnchor, |
|
326 TInt aOrdinal, |
|
327 const TPoint& aTopLeftPosition, |
|
328 const TPoint& aBottomRightPosition ); |
|
329 |
|
330 /** |
|
331 * Creates the needed drawing layers and visual objects |
|
332 * for visualiazing the station information. |
|
333 */ |
|
334 void AddInformationLayersL(); |
|
335 /** |
|
336 * Creates the text styles to be used by station information visualiazing |
|
337 */ |
|
338 void CreateTextStylesForStationInformationL(); |
|
339 /** |
|
340 * Creates copy of current station information |
|
341 */ |
|
342 void CreateTemporaryStationInformationVisualsL(); |
|
343 /** |
|
344 * Animates temporary station infoout of the display |
|
345 * @param aChangeType Change type |
|
346 */ |
|
347 void AnimateTemporaryStationInformationVisuals( TFMRadioStationChangeType aChangeType ); |
|
348 /** |
|
349 * Triggers the command to view handling |
|
350 * @param aCommand command id |
|
351 */ |
|
352 void TriggerCommandL( TInt aCommand = 0 ); |
|
353 /** |
|
354 * Static call back for the long key press timer. |
|
355 * @param aSelf Pointer to self. |
|
356 * @return KErrNone |
|
357 */ |
|
358 static TInt StaticLongPressCallBack( TAny* aSelf ); |
|
359 private: // Data |
|
360 |
|
361 /** Layout for the station information */ |
|
362 TAknLayoutRect iStationInformationLayout; |
|
363 /** Layout for the transparent background layer of the station information */ |
|
364 TAknLayoutRect iTransparentBackgroundLayout; |
|
365 |
|
366 /** Layout for the first line. */ |
|
367 TAknLayoutText iFirstLineLayout; |
|
368 /** Layout for the second line */ |
|
369 TAknLayoutText iSecondLineLayout; |
|
370 /** Layout for the tuning text. */ |
|
371 TAknLayoutText iTuningTextLayout; |
|
372 /** Layout for the tuning animation. */ |
|
373 TAknLayoutRect iTuningAnimationLayout; |
|
374 |
|
375 /** Visual object of the first line. Not owned. */ |
|
376 CAlfTextVisual* iFirstLineVisualText; |
|
377 /** Visual object of the second line. Not owned. */ |
|
378 CAlfTextVisual* iSecondLineVisualText; |
|
379 /** Visual text for tuning text. Not owned */ |
|
380 CAlfTextVisual* iTuningVisualText; |
|
381 |
|
382 /** The layout for the station info visuals */ |
|
383 CAlfAnchorLayout* iStationInformationAnchorLayout; |
|
384 /** The layout for temporary station info fade out effect */ |
|
385 CAlfAnchorLayout* iStationInformationTempAnchorLayout; |
|
386 |
|
387 /** Text color of the station information visuals */ |
|
388 TRgb iStationInformationTextColor; |
|
389 |
|
390 /** Text style id of the first line */ |
|
391 TInt iFirstLineTextStyleId; |
|
392 /** Text style id of the second line */ |
|
393 TInt iSecondLineTextStyleId; |
|
394 /** Text style id of the tuning text line */ |
|
395 TInt iTuningTextStyleId; |
|
396 |
|
397 /** Display style */ |
|
398 TFMRadioDisplayStyle iDisplayStyle; |
|
399 /** Display orientation */ |
|
400 TDisplayOrientation iOrientation; |
|
401 /** Scroll direction */ |
|
402 TScrollDirection iScrollDirection; |
|
403 // Bitmap Animation |
|
404 CFMRadioAlfBitmapAnimation* iBmpAnimation; |
|
405 // Flag to indicate mirrored layout usage |
|
406 TBool iMirrored; |
|
407 // visual size for bitmap animation positioning |
|
408 TSize iTuningTextVisualSize; |
|
409 // counts rt text (3rd line) scrollout -events for rt-timeout. |
|
410 TInt iScrollOutCounter; |
|
411 // Pointer to CFMRadioAppUi. Not owned |
|
412 CFMRadioAppUi* iAppUi; |
|
413 // key event |
|
414 TInt iKeyScanCode; |
|
415 /** |
|
416 * If the long key event was detected or not. If it was, the subsequent key up should be ignored |
|
417 */ |
|
418 TBool iLongKeyTriggered; |
|
419 /** |
|
420 * Long key press timer. Owned. |
|
421 */ |
|
422 CPeriodic* iLongPressTimer; |
|
423 // The position of the visual before the dragging started |
|
424 TAlfTimedPoint iDragStartPosition; |
|
425 // Status for determinging whether or not to revert the visual back to it's original position |
|
426 TBool iRevertGestureDrag; |
|
427 // The axis for the currently ongoing stroke |
|
428 TFMRadioDragAxis iDragAxis; |
|
429 // Tactile feedback for closing the popup |
|
430 MTouchFeedback* iTouchFeedback; // For Tactile feedback |
|
431 }; |
|
432 |
|
433 #endif //FMRADIOALFVISUALIZER_H |