source: trunk/src/declarative/util/qdeclarativeanimation_p_p.h

Last change on this file was 846, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 12.4 KB
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1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation ([email protected])
6**
7** This file is part of the QtDeclarative module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at [email protected].
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#ifndef QDECLARATIVEANIMATION_P_H
43#define QDECLARATIVEANIMATION_P_H
44
45//
46// W A R N I N G
47// -------------
48//
49// This file is not part of the Qt API. It exists purely as an
50// implementation detail. This header file may change from version to
51// version without notice, or even be removed.
52//
53// We mean it.
54//
55
56#include "private/qdeclarativeanimation_p.h"
57
58#include "private/qdeclarativenullablevalue_p_p.h"
59#include "private/qdeclarativetimeline_p_p.h"
60
61#include <qdeclarative.h>
62#include <qdeclarativeitem.h>
63#include <qdeclarativecontext.h>
64
65#include <QtCore/QPauseAnimation>
66#include <QtCore/QVariantAnimation>
67#include <QtCore/QAnimationGroup>
68#include <QtGui/QColor>
69#include <QDebug>
70
71#include <private/qobject_p.h>
72#include <private/qvariantanimation_p.h>
73
74QT_BEGIN_NAMESPACE
75
76//interface for classes that provide animation actions for QActionAnimation
77class QAbstractAnimationAction
78{
79public:
80 virtual ~QAbstractAnimationAction() {}
81 virtual void doAction() = 0;
82};
83
84//templated animation action
85//allows us to specify an action that calls a function of a class.
86//(so that class doesn't have to inherit QDeclarativeAbstractAnimationAction)
87template<class T, void (T::*method)()>
88class QAnimationActionProxy : public QAbstractAnimationAction
89{
90public:
91 QAnimationActionProxy(T *p) : m_p(p) {}
92 virtual void doAction() { (m_p->*method)(); }
93
94private:
95 T *m_p;
96};
97
98//performs an action of type QAbstractAnimationAction
99class Q_AUTOTEST_EXPORT QActionAnimation : public QAbstractAnimation
100{
101 Q_OBJECT
102public:
103 QActionAnimation(QObject *parent = 0) : QAbstractAnimation(parent), animAction(0), policy(KeepWhenStopped) {}
104 QActionAnimation(QAbstractAnimationAction *action, QObject *parent = 0)
105 : QAbstractAnimation(parent), animAction(action), policy(KeepWhenStopped) {}
106 ~QActionAnimation() { if (policy == DeleteWhenStopped) { delete animAction; animAction = 0; } }
107 virtual int duration() const { return 0; }
108 void setAnimAction(QAbstractAnimationAction *action, DeletionPolicy p)
109 {
110 if (state() == Running)
111 stop();
112 if (policy == DeleteWhenStopped)
113 delete animAction;
114 animAction = action;
115 policy = p;
116 }
117protected:
118 virtual void updateCurrentTime(int) {}
119
120 virtual void updateState(State newState, State /*oldState*/)
121 {
122 if (newState == Running) {
123 if (animAction) {
124 animAction->doAction();
125 if (state() == Stopped && policy == DeleteWhenStopped) {
126 delete animAction;
127 animAction = 0;
128 }
129 }
130 }
131 }
132
133private:
134 QAbstractAnimationAction *animAction;
135 DeletionPolicy policy;
136};
137
138class QDeclarativeBulkValueUpdater
139{
140public:
141 virtual ~QDeclarativeBulkValueUpdater() {}
142 virtual void setValue(qreal value) = 0;
143};
144
145//animates QDeclarativeBulkValueUpdater (assumes start and end values will be reals or compatible)
146class Q_AUTOTEST_EXPORT QDeclarativeBulkValueAnimator : public QVariantAnimation
147{
148 Q_OBJECT
149public:
150 QDeclarativeBulkValueAnimator(QObject *parent = 0) : QVariantAnimation(parent), animValue(0), fromSourced(0), policy(KeepWhenStopped) {}
151 ~QDeclarativeBulkValueAnimator() { if (policy == DeleteWhenStopped) { delete animValue; animValue = 0; } }
152 void setAnimValue(QDeclarativeBulkValueUpdater *value, DeletionPolicy p)
153 {
154 if (state() == Running)
155 stop();
156 if (policy == DeleteWhenStopped)
157 delete animValue;
158 animValue = value;
159 policy = p;
160 }
161 void setFromSourcedValue(bool *value)
162 {
163 fromSourced = value;
164 }
165protected:
166 virtual void updateCurrentValue(const QVariant &value)
167 {
168 if (state() == QAbstractAnimation::Stopped)
169 return;
170
171 if (animValue)
172 animValue->setValue(value.toReal());
173 }
174 virtual void updateState(State newState, State oldState)
175 {
176 QVariantAnimation::updateState(newState, oldState);
177 if (newState == Running) {
178 //check for new from every loop
179 if (fromSourced)
180 *fromSourced = false;
181 }
182 }
183
184private:
185 QDeclarativeBulkValueUpdater *animValue;
186 bool *fromSourced;
187 DeletionPolicy policy;
188};
189
190//an animation that just gives a tick
191template<class T, void (T::*method)(int)>
192class QTickAnimationProxy : public QAbstractAnimation
193{
194 //Q_OBJECT //doesn't work with templating
195public:
196 QTickAnimationProxy(T *p, QObject *parent = 0) : QAbstractAnimation(parent), m_p(p) {}
197 virtual int duration() const { return -1; }
198protected:
199 virtual void updateCurrentTime(int msec) { (m_p->*method)(msec); }
200
201private:
202 T *m_p;
203};
204
205class QDeclarativeAbstractAnimationPrivate : public QObjectPrivate
206{
207 Q_DECLARE_PUBLIC(QDeclarativeAbstractAnimation)
208public:
209 QDeclarativeAbstractAnimationPrivate()
210 : running(false), paused(false), alwaysRunToEnd(false),
211 connectedTimeLine(false), componentComplete(true),
212 avoidPropertyValueSourceStart(false), disableUserControl(false),
213 loopCount(1), group(0) {}
214
215 bool running:1;
216 bool paused:1;
217 bool alwaysRunToEnd:1;
218 bool connectedTimeLine:1;
219 bool componentComplete:1;
220 bool avoidPropertyValueSourceStart:1;
221 bool disableUserControl:1;
222
223 int loopCount;
224
225 void commence();
226
227 QDeclarativeProperty defaultProperty;
228
229 QDeclarativeAnimationGroup *group;
230
231 static QDeclarativeProperty createProperty(QObject *obj, const QString &str, QObject *infoObj);
232};
233
234class QDeclarativePauseAnimationPrivate : public QDeclarativeAbstractAnimationPrivate
235{
236 Q_DECLARE_PUBLIC(QDeclarativePauseAnimation)
237public:
238 QDeclarativePauseAnimationPrivate()
239 : QDeclarativeAbstractAnimationPrivate(), pa(0) {}
240
241 void init();
242
243 QPauseAnimation *pa;
244};
245
246class QDeclarativeScriptActionPrivate : public QDeclarativeAbstractAnimationPrivate
247{
248 Q_DECLARE_PUBLIC(QDeclarativeScriptAction)
249public:
250 QDeclarativeScriptActionPrivate()
251 : QDeclarativeAbstractAnimationPrivate(), hasRunScriptScript(false), reversing(false), proxy(this), rsa(0) {}
252
253 void init();
254
255 QDeclarativeScriptString script;
256 QString name;
257 QDeclarativeScriptString runScriptScript;
258 bool hasRunScriptScript;
259 bool reversing;
260
261 void execute();
262
263 QAnimationActionProxy<QDeclarativeScriptActionPrivate,
264 &QDeclarativeScriptActionPrivate::execute> proxy;
265 QActionAnimation *rsa;
266};
267
268class QDeclarativePropertyActionPrivate : public QDeclarativeAbstractAnimationPrivate
269{
270 Q_DECLARE_PUBLIC(QDeclarativePropertyAction)
271public:
272 QDeclarativePropertyActionPrivate()
273 : QDeclarativeAbstractAnimationPrivate(), target(0), spa(0) {}
274
275 void init();
276
277 QObject *target;
278 QString propertyName;
279 QString properties;
280 QList<QObject *> targets;
281 QList<QObject *> exclude;
282
283 QDeclarativeNullableValue<QVariant> value;
284
285 QActionAnimation *spa;
286};
287
288class QDeclarativeAnimationGroupPrivate : public QDeclarativeAbstractAnimationPrivate
289{
290 Q_DECLARE_PUBLIC(QDeclarativeAnimationGroup)
291public:
292 QDeclarativeAnimationGroupPrivate()
293 : QDeclarativeAbstractAnimationPrivate(), ag(0) {}
294
295 static void append_animation(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list, QDeclarativeAbstractAnimation *role);
296 static void clear_animation(QDeclarativeListProperty<QDeclarativeAbstractAnimation> *list);
297 QList<QDeclarativeAbstractAnimation *> animations;
298 QAnimationGroup *ag;
299};
300
301class QDeclarativePropertyAnimationPrivate : public QDeclarativeAbstractAnimationPrivate
302{
303 Q_DECLARE_PUBLIC(QDeclarativePropertyAnimation)
304public:
305 QDeclarativePropertyAnimationPrivate()
306 : QDeclarativeAbstractAnimationPrivate(), target(0), fromSourced(false), fromIsDefined(false), toIsDefined(false),
307 rangeIsSet(false), defaultToInterpolatorType(0), interpolatorType(0), interpolator(0), va(0), actions(0) {}
308
309 void init();
310
311 QVariant from;
312 QVariant to;
313
314 QObject *target;
315 QString propertyName;
316 QString properties;
317 QList<QObject *> targets;
318 QList<QObject *> exclude;
319 QString defaultProperties;
320
321 bool fromSourced;
322 bool fromIsDefined:1;
323 bool toIsDefined:1;
324 bool rangeIsSet:1;
325 bool defaultToInterpolatorType:1;
326 int interpolatorType;
327 QVariantAnimation::Interpolator interpolator;
328
329 QDeclarativeBulkValueAnimator *va;
330
331 // for animations that don't use the QDeclarativeBulkValueAnimator
332 QDeclarativeStateActions *actions;
333
334 static QVariant interpolateVariant(const QVariant &from, const QVariant &to, qreal progress);
335 static void convertVariant(QVariant &variant, int type);
336};
337
338class QDeclarativeRotationAnimationPrivate : public QDeclarativePropertyAnimationPrivate
339{
340 Q_DECLARE_PUBLIC(QDeclarativeRotationAnimation)
341public:
342 QDeclarativeRotationAnimationPrivate() : direction(QDeclarativeRotationAnimation::Numerical) {}
343
344 QDeclarativeRotationAnimation::RotationDirection direction;
345};
346
347class QDeclarativeParentAnimationPrivate : public QDeclarativeAnimationGroupPrivate
348{
349 Q_DECLARE_PUBLIC(QDeclarativeParentAnimation)
350public:
351 QDeclarativeParentAnimationPrivate()
352 : QDeclarativeAnimationGroupPrivate(), target(0), newParent(0),
353 via(0), topLevelGroup(0), startAction(0), endAction(0) {}
354
355 QDeclarativeItem *target;
356 QDeclarativeItem *newParent;
357 QDeclarativeItem *via;
358
359 QSequentialAnimationGroup *topLevelGroup;
360 QActionAnimation *startAction;
361 QActionAnimation *endAction;
362
363 QPointF computeTransformOrigin(QDeclarativeItem::TransformOrigin origin, qreal width, qreal height) const;
364};
365
366class QDeclarativeAnchorAnimationPrivate : public QDeclarativeAbstractAnimationPrivate
367{
368 Q_DECLARE_PUBLIC(QDeclarativeAnchorAnimation)
369public:
370 QDeclarativeAnchorAnimationPrivate() : rangeIsSet(false), va(0),
371 interpolator(QVariantAnimationPrivate::getInterpolator(QMetaType::QReal)) {}
372
373 bool rangeIsSet;
374 QDeclarativeBulkValueAnimator *va;
375 QVariantAnimation::Interpolator interpolator;
376 QList<QDeclarativeItem*> targets;
377};
378
379class Q_AUTOTEST_EXPORT QDeclarativeAnimationPropertyUpdater : public QDeclarativeBulkValueUpdater
380{
381public:
382 QDeclarativeStateActions actions;
383 int interpolatorType; //for Number/ColorAnimation
384 int prevInterpolatorType; //for generic
385 QVariantAnimation::Interpolator interpolator;
386 bool reverse;
387 bool fromSourced;
388 bool fromDefined;
389 bool *wasDeleted;
390 QDeclarativeAnimationPropertyUpdater() : prevInterpolatorType(0), wasDeleted(0) {}
391 ~QDeclarativeAnimationPropertyUpdater() { if (wasDeleted) *wasDeleted = true; }
392 void setValue(qreal v);
393};
394
395QT_END_NAMESPACE
396
397#endif // QDECLARATIVEANIMATION_P_H
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