24
|
1 |
/*
|
|
2 |
* Copyright (c) 2007-2008 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: Class for Camera Zoom Pane*
|
|
15 |
*/
|
|
16 |
|
|
17 |
|
|
18 |
|
|
19 |
#ifndef CAMZOOMPANE_H
|
|
20 |
#define CAMZOOMPANE_H
|
|
21 |
|
|
22 |
// INCLUDES
|
|
23 |
#include <coecntrl.h>
|
|
24 |
#include <eiklabel.h>
|
|
25 |
#include <AknUtils.h> // for TAknLayout
|
|
26 |
#include "CamPSI.h" // For Product Specific Information
|
|
27 |
#include "CamAppController.h" // For controller definition
|
|
28 |
#include "CamSettings.hrh" // For TCamPhotoSizeId
|
|
29 |
#include "CamSettingsInternal.hrh"
|
|
30 |
#include "CamResourceLoader.h"
|
|
31 |
#include "CamZoomModel.h"
|
|
32 |
#include "CamBmpRotatorAo.h"
|
|
33 |
|
|
34 |
// CONSTANTS
|
|
35 |
|
|
36 |
// MACROS
|
|
37 |
|
|
38 |
// DATA TYPES
|
|
39 |
|
|
40 |
// FUNCTION PROTOTYPES
|
|
41 |
|
|
42 |
// FORWARD DECLARATIONS
|
|
43 |
class CCamRemConObserver;
|
|
44 |
class MTouchFeedback;
|
|
45 |
|
|
46 |
// CLASS DECLARATION
|
|
47 |
|
|
48 |
/**
|
|
49 |
* Class for showing the current zoom level in a side pane.
|
|
50 |
*
|
|
51 |
* @since 2.8
|
|
52 |
*/
|
|
53 |
class CCamZoomPane : public CBase,
|
|
54 |
public MCamControllerObserver,
|
|
55 |
public MCamResourceLoader
|
|
56 |
{
|
|
57 |
// Private data type used internally by the zoom pane
|
|
58 |
// to store the orientation it should be drawn
|
|
59 |
enum TZPOrientation
|
|
60 |
{
|
|
61 |
EZPOrientationVertical = 0,
|
|
62 |
EZPOrientationHorizontal = 1
|
|
63 |
};
|
|
64 |
|
|
65 |
public: // Constructors and destructor
|
|
66 |
|
|
67 |
/**
|
|
68 |
* Two-phased constructor.
|
|
69 |
* @param aController handle to camera application controller
|
|
70 |
* @param aOverlayViewFinder whether zoom pane is drawn over view finder
|
|
71 |
*/
|
|
72 |
static CCamZoomPane* NewL( CCamAppController& aController,
|
|
73 |
TBool aOverlayViewFinder );
|
|
74 |
|
|
75 |
/**
|
|
76 |
* Destructor.
|
|
77 |
*/
|
|
78 |
virtual ~CCamZoomPane();
|
|
79 |
|
|
80 |
public: // From MCamResourceLoader
|
|
81 |
/**
|
|
82 |
* From MCamResourceLoader
|
|
83 |
* @since 3.0
|
|
84 |
*/
|
|
85 |
void LoadResourceDataL();
|
|
86 |
|
|
87 |
/**
|
|
88 |
* From MCamResourceLoader
|
|
89 |
* @since 3.0
|
|
90 |
*/
|
|
91 |
void UnloadResourceData();
|
|
92 |
|
|
93 |
/**
|
|
94 |
* From MCamResourceLoader
|
|
95 |
* @since 3.0
|
|
96 |
*/
|
|
97 |
void ReloadResourceDataL();
|
|
98 |
|
|
99 |
public: // New functions
|
|
100 |
/**
|
|
101 |
* Sets the range of values to be represented on the Zoom Pane "shaft".
|
|
102 |
* These values should be retrieved from the CCaeEngine
|
|
103 |
* @since 2.8
|
|
104 |
* @param aMin The minimum supported value (typically zero)
|
|
105 |
* @param aMax The maximum supported value (one or more)
|
|
106 |
* @return KErrNone if parameters are valid, else KErrArgument
|
|
107 |
*/
|
|
108 |
TInt SetZoomRange( TInt aMin, TInt aMax );
|
|
109 |
|
|
110 |
/**
|
|
111 |
* Sets the current zoom level. Must be within (inclusive) range passed
|
|
112 |
* to the SetZoomRange function.
|
|
113 |
* @since 2.8
|
|
114 |
* @param aZoom New zoom value to use.
|
|
115 |
* @return KErrNone if parameter valid, else KErrArgument
|
|
116 |
*/
|
|
117 |
TInt SetZoomValue( TInt aZoom );
|
|
118 |
|
|
119 |
/**
|
|
120 |
* Sets the keys to be intepreted as zoom keys
|
|
121 |
* @since 3.0
|
|
122 |
* @param aZoomIn Zoom in key scancode
|
|
123 |
* @param aZoomOut Zoom out key scancode
|
|
124 |
*/
|
|
125 |
void SetZoomKeys( const RArray<TInt>& aZoomIn,
|
|
126 |
const RArray<TInt>& aZoomOut );
|
|
127 |
|
|
128 |
/**
|
|
129 |
* Gets the current zoom step
|
|
130 |
* @since 2.8
|
|
131 |
* @returns The current zoom step
|
|
132 |
*/
|
|
133 |
TInt ZoomValue() const;
|
|
134 |
|
|
135 |
/**
|
|
136 |
* Returns whether or not the Zoom Pane can currently be shown.
|
|
137 |
* @since 2.8
|
|
138 |
* @return ETrue if the Zoom Pane is allowed to be shown, else EFalse
|
|
139 |
*/
|
|
140 |
TBool OkToShowPane() const;
|
|
141 |
|
|
142 |
/**
|
|
143 |
* Is the zoom pane is visible
|
|
144 |
* @since 2.8
|
|
145 |
* @return ETrue if the zoom pane is visible
|
|
146 |
*/
|
|
147 |
TBool IsVisible() const;
|
|
148 |
|
|
149 |
/**
|
|
150 |
* Tells the zoom pane whether it is on display
|
|
151 |
* @since 2.8
|
|
152 |
* @param aVisible ETrue to make the zoom pane invisible
|
|
153 |
* @param aRedraw Whether to force a redraw event
|
|
154 |
*/
|
|
155 |
void MakeVisible( TBool aVisible, TBool aRedraw );
|
|
156 |
|
|
157 |
/**
|
|
158 |
* Draws the zoom pane
|
|
159 |
* @since 2.8
|
|
160 |
* @param aGc The graphics context to use for drawing
|
|
161 |
*/
|
|
162 |
void Draw( CBitmapContext& aGc ) const;
|
|
163 |
|
|
164 |
/**
|
|
165 |
* Set draw rect
|
|
166 |
* @since 2.8
|
|
167 |
* @param aRect Rect zoom pane draws into
|
|
168 |
*/
|
|
169 |
void SetRect( TRect aRect );
|
|
170 |
|
|
171 |
/**
|
|
172 |
* Handles zoom-key operation, passed in from the container.
|
|
173 |
* @since 2.8
|
|
174 |
* @param aKeyEvent The key event
|
|
175 |
* @param aType the key type
|
|
176 |
* @return Whether this key event was consumed or not
|
|
177 |
*/
|
|
178 |
TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );
|
|
179 |
|
|
180 |
/**
|
|
181 |
* Returns the zoom pane rect
|
|
182 |
* @since 3.0
|
|
183 |
* @return the zoom pane rect
|
|
184 |
*/
|
|
185 |
TRect Rect() const;
|
|
186 |
|
|
187 |
/**
|
|
188 |
* Called when the parent gains or loses foreground
|
|
189 |
* @param aForeground ETrue if gained foreground, else EFalse
|
|
190 |
* @since 3.0
|
|
191 |
*/
|
|
192 |
void HandleForegroundEvent( TBool aForeground );
|
|
193 |
|
|
194 |
/**
|
|
195 |
* Sets the number of zoom steps for each type of zoom to be
|
|
196 |
* reflected in the zoom pane shaft
|
|
197 |
* @param aOptSteps The number of optical zoom steps
|
|
198 |
* @param aStdSteps The number of digital zoom steps
|
|
199 |
* @param aExtSteps The number of extended digital zoom steps
|
|
200 |
* @since 3.0
|
|
201 |
*/
|
|
202 |
void SetZoomSteps( TInt aOptSteps, TInt aStdSteps, TInt aExtSteps );
|
|
203 |
|
|
204 |
/**
|
|
205 |
* Returns whether there is currently an ongoing zoom operation.
|
|
206 |
* @since 3.0
|
|
207 |
* @return ETrue if zooming, else EFalse
|
|
208 |
*/
|
|
209 |
TBool IsCurrentlyZooming() const;
|
|
210 |
|
|
211 |
/**
|
|
212 |
* Indicates that the zoom level should be reset to default
|
|
213 |
* when the engine is next prepared
|
|
214 |
* @since 2.8
|
|
215 |
* @param aReset ETrue if the zoom pane should be reset, else EFalse
|
|
216 |
*/
|
|
217 |
void ResetToDefaultAfterPrepare( TBool aReset );
|
|
218 |
|
|
219 |
/**
|
|
220 |
* Indicates whether or not the zoom level is waiting to be reset to default
|
|
221 |
* @since 3.0
|
|
222 |
* @return TBool ETrue if a reset is pending, othewise EFalse
|
|
223 |
*/
|
|
224 |
TBool IsResetPending() const;
|
|
225 |
|
|
226 |
/**
|
|
227 |
* Sets a point position to be based on another point plus an optional offset.
|
|
228 |
* Used for moving along the slider. Whether the X or Y part of the point
|
|
229 |
* changes is dependent on the current orientation
|
|
230 |
* @since 3.0
|
|
231 |
* @param aPoint This point will be overwritten with the new X/Y values
|
|
232 |
* @param aOffset This is the basis for the new value for 'aPoint'
|
|
233 |
* @param aAddditional This is an additional modification to 'aOffset' value
|
|
234 |
*/
|
|
235 |
void SetPoint( TPoint& aPoint, const TPoint& aOffset, TInt aAdditional = 0) const;
|
|
236 |
|
|
237 |
/**
|
|
238 |
* Returns whether the current zoom value is the minimum zoom
|
|
239 |
* @since 3.1
|
|
240 |
* @return Whether the current zoom value is the minimum zoom
|
|
241 |
*/
|
|
242 |
TBool IsZoomAtMinimum() const;
|
|
243 |
|
|
244 |
/**
|
|
245 |
* Returns whether the current zoom value is the maximum zoom
|
|
246 |
* @since 5.1
|
|
247 |
* @return Whether the current zoom value is the maximum zoom
|
|
248 |
*/
|
|
249 |
TBool IsZoomAtMaximum() const;
|
|
250 |
|
|
251 |
/**
|
|
252 |
* Zooms to max zoom value
|
|
253 |
* @since 5.1
|
|
254 |
*/
|
|
255 |
void ZoomToMaximum();
|
|
256 |
|
|
257 |
/**
|
|
258 |
* Zooms to min zoom value
|
|
259 |
* @since 5.1
|
|
260 |
*/
|
|
261 |
void ZoomToMinimum();
|
|
262 |
|
|
263 |
/**
|
|
264 |
* Stops all zooming activity
|
|
265 |
*/
|
|
266 |
void StopZoom();
|
|
267 |
|
|
268 |
/***
|
|
269 |
* Resets the zoom (digital, and, if available, optical) to 1x
|
|
270 |
* @since 3.0
|
|
271 |
*/
|
|
272 |
void ResetZoomTo1x();
|
|
273 |
|
|
274 |
/***
|
|
275 |
* Handle pointer events
|
|
276 |
* @since S60 v5.0
|
|
277 |
* @param TPointerEvent, pointer event
|
|
278 |
* @return TBool, ETrue if the pointer event was used
|
|
279 |
*/
|
|
280 |
TBool HandlePointerEventL( const TPointerEvent& aPointerEvent );
|
|
281 |
|
|
282 |
/***
|
|
283 |
* Handle pointer events
|
|
284 |
* @since S60 v5.0
|
|
285 |
* @param TInt, Pointer's Y-position
|
|
286 |
* @return TBool, ETrue if the pointer event was used
|
|
287 |
*/
|
|
288 |
TBool StartTouchZoomL( TInt aPointer );
|
|
289 |
|
|
290 |
|
|
291 |
|
|
292 |
public: // Functions from base classes
|
|
293 |
protected: // New functions
|
|
294 |
protected: // Functions from CCoeControl
|
|
295 |
|
|
296 |
/**
|
|
297 |
* Handles events from the controller
|
|
298 |
* @since 2.8
|
|
299 |
* @param aEvent The controller event that has occurred
|
|
300 |
* @param aError An associated error code
|
|
301 |
*/
|
|
302 |
void HandleControllerEventL( TCamControllerEvent aEvent, TInt aError );
|
|
303 |
|
|
304 |
protected: // Functions from base classes
|
|
305 |
private:
|
|
306 |
|
|
307 |
/**
|
|
308 |
* C++ default constructor.
|
|
309 |
* since 2.8
|
|
310 |
* @param aRect parent rect
|
|
311 |
* @param aController handle to camera application controller
|
|
312 |
* @param aOverlayViewFinder whether zoom pane is drawn over view finder
|
|
313 |
*/
|
|
314 |
CCamZoomPane( CCamAppController& aController,
|
|
315 |
TBool aOverlayViewFinder );
|
|
316 |
|
|
317 |
/**
|
|
318 |
* By default Symbian 2nd phase constructor is private.
|
|
319 |
*/
|
|
320 |
void ConstructL();
|
|
321 |
|
|
322 |
/**
|
|
323 |
* Reads layout information from a resource
|
|
324 |
* @since 2.8
|
|
325 |
*/
|
|
326 |
void ReadLayoutL();
|
|
327 |
|
|
328 |
/**
|
|
329 |
* Updates Layout and size of control
|
|
330 |
* @since S60 5.0
|
|
331 |
*/
|
|
332 |
void SizeChanged();
|
|
333 |
|
|
334 |
/**
|
|
335 |
* Draws the thumb on the zoom pane
|
|
336 |
* @since 3.0
|
|
337 |
* @param aGc The graphics context to draw to
|
|
338 |
*/
|
|
339 |
void DrawThumb( CBitmapContext& aGc ) const;
|
|
340 |
|
|
341 |
/**
|
|
342 |
* Draws the shaft of the zoom pane
|
|
343 |
* @since 3.0
|
|
344 |
* @param aGc The graphics context to draw to
|
|
345 |
*/
|
|
346 |
void DrawShaft( CBitmapContext& aGc ) const;
|
|
347 |
|
|
348 |
/**
|
|
349 |
* Draws the plus/minus icons for the zoom pane
|
|
350 |
* @since 3.0
|
|
351 |
* @param aGc The graphics context to draw to
|
|
352 |
*/
|
|
353 |
void DrawPlusMinus( CBitmapContext& aGc ) const;
|
|
354 |
|
|
355 |
/**
|
|
356 |
* Returns the current Zoom Pane orientation based on stored
|
|
357 |
* settings and whether the current camera supports horizontal zoom bar
|
|
358 |
* @since 3.0
|
|
359 |
* @return The orientation (veritcal or horizontal)
|
|
360 |
*/
|
|
361 |
TZPOrientation PaneOrientation() const;
|
|
362 |
|
|
363 |
/**
|
|
364 |
* Read nontouch layout
|
|
365 |
*/
|
|
366 |
void TouchLayout();
|
|
367 |
|
|
368 |
/**
|
|
369 |
* Read touch layout
|
|
370 |
*/
|
|
371 |
void NonTouchLayout();
|
|
372 |
|
|
373 |
/*
|
|
374 |
* Reads zoom keys from the appropriate array
|
|
375 |
*/
|
|
376 |
void ReadZoomKeys( const RArray<TInt>& aSource,
|
|
377 |
RArray<TInt>& aTarget );
|
|
378 |
/*
|
|
379 |
* Checks for the zoom key with the mapped key's scan code
|
|
380 |
*/
|
|
381 |
TBool CheckForZoomKey( const TKeyEvent& aKeyEvent,
|
|
382 |
const RArray<TInt>& aKeys );
|
|
383 |
|
|
384 |
/**
|
|
385 |
* Touchfeedback
|
|
386 |
* @since S60 v5.0
|
|
387 |
*/
|
|
388 |
void Touchfeedback();
|
|
389 |
|
|
390 |
public: // Data
|
|
391 |
|
|
392 |
protected: // Data
|
|
393 |
|
|
394 |
private: // Data
|
|
395 |
|
|
396 |
// The bitmaps for the graphical components.
|
|
397 |
CFbsBitmap* iIconZoomTop[2];
|
|
398 |
CFbsBitmap* iIconZoomMiddle[2];
|
|
399 |
CFbsBitmap* iIconZoomBottom[2];
|
|
400 |
CFbsBitmap* iIconZoomMarker[2];
|
|
401 |
CFbsBitmap* iIconZoomMarkerGray[2];
|
|
402 |
CFbsBitmap* iIconZoomMin[2];
|
|
403 |
CFbsBitmap* iIconZoomMax[2];
|
|
404 |
CFbsBitmap* iIconZoomMarkerCurrent;
|
|
405 |
|
|
406 |
TRect iZoomPaneRect;
|
|
407 |
TRect iSliderParentRect;
|
|
408 |
TPoint iPlusPoint;
|
|
409 |
TPoint iMinusPoint;
|
|
410 |
TPoint iTopPoint;
|
|
411 |
TPoint iMiddlePoint;
|
|
412 |
TPoint iBottomPoint;
|
|
413 |
|
|
414 |
//Holds the maximum 'travel' of the thumb along the slider
|
|
415 |
TInt iMaxOffset;
|
|
416 |
|
|
417 |
// Minimum supported zoom level
|
|
418 |
TInt iMinZoom;
|
|
419 |
|
|
420 |
// Maximum supported zoom level
|
|
421 |
TInt iMaxZoom;
|
|
422 |
|
|
423 |
// Actual zoom level
|
|
424 |
TInt iCurZoom;
|
|
425 |
|
|
426 |
// Targeted zoom level to be indicated by the thumb
|
|
427 |
TInt iTrgZoom;
|
|
428 |
|
|
429 |
// Previous pointer Y-position
|
|
430 |
TInt iPointerPrevi;
|
|
431 |
|
|
432 |
// Whether we are currently recording video or not.
|
|
433 |
TBool iRecordingVideo;
|
|
434 |
|
|
435 |
// Reference to the Controller
|
|
436 |
CCamAppController& iController;
|
|
437 |
|
|
438 |
// Represents a bitmask of TCamVideoZoom for video zoom features
|
|
439 |
TInt iZoomSupport;
|
|
440 |
|
|
441 |
// Determine from PSI if zoom pane are overlaid on VF
|
|
442 |
TBool iOverlayViewFinder;
|
|
443 |
|
|
444 |
// is the zoom pane visible
|
|
445 |
TBool iVisible;
|
|
446 |
|
|
447 |
// Determine whether or not touch is active
|
|
448 |
TBool iTouchActive;
|
|
449 |
|
|
450 |
// The current engine state, updated if it changes
|
|
451 |
TCamCameraState iCameraState;
|
|
452 |
|
|
453 |
// The zoom model, owned by this control
|
|
454 |
CCamZoomModel* iModel;
|
|
455 |
|
|
456 |
// The number of key repeats received in a row.
|
|
457 |
TInt iRepeatCounter;
|
|
458 |
|
|
459 |
// The optical, digital and extended zoom steps to be shown on the zoom bar
|
|
460 |
TInt iOptSteps;
|
|
461 |
TInt iStdSteps;
|
|
462 |
TInt iExtSteps;
|
|
463 |
|
|
464 |
// Stores the look and feel info of the zoom bar
|
|
465 |
TCamZoomLAF iZoomLAF;
|
|
466 |
|
|
467 |
// Stores the orientation of the zoom pane (vertical or horizontal)
|
|
468 |
// as read from the Central Repository
|
|
469 |
TZPOrientation iOrientation;
|
|
470 |
|
|
471 |
// Whether or not product uses volume keys for zoom
|
|
472 |
TBool iZoomUsingVolumeKeys;
|
|
473 |
|
|
474 |
// Whether or not product uses navi-key left and right for zoom
|
|
475 |
TBool iZoomUsingNaviKeys;
|
|
476 |
|
|
477 |
// Performs zoom frame/thumb bitmap rotation when needed
|
|
478 |
CCamBmpRotatorAo* iRotatorAo;
|
|
479 |
|
|
480 |
// Timer used to remove zoom pane after a short delay
|
|
481 |
CCamTimer* iZoomTimer;
|
|
482 |
MTouchFeedback* iFeedback; // Not own
|
|
483 |
|
|
484 |
// observer to receive volume key presses
|
|
485 |
CCamRemConObserver* iVolumeKeyObserver;
|
|
486 |
|
|
487 |
RArray<TInt> iZoomInKeys;
|
|
488 |
RArray<TInt> iZoomOutKeys;
|
|
489 |
};
|
|
490 |
|
|
491 |
#endif // CAMZOOMPANE_H
|
|
492 |
|
|
493 |
// End of File
|