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delegateanimationhandler_p.h
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1/*
2 This file is part of the KDE project
3
4 Copyright © 2007 Fredrik Höglund <fredrik@kde.org>
5
6 This library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Library General Public
8 License as published by the Free Software Foundation; either
9 version 2 of the License, or (at your option) any later version.
10
11 This library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Library General Public License for more details.
15
16 You should have received a copy of the GNU Library General Public License
17 along with this library; see the file COPYING.LIB. If not, write to
18 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 Boston, MA 02110-1301, USA.
20*/
21
22#ifndef DELEGATEANIMATIONHANDLER_P_H
23#define DELEGATEANIMATIONHANDLER_P_H
24
25#include <QBasicTimer>
26#include <QMap>
27#include <QLinkedList>
28#include <QPersistentModelIndex>
29#include <QStyle>
30#include <QTimeLine>
31#include <QTime>
32#include <QTimer>
33
34
35class QAbstractItemView;
36
37namespace KIO
38{
39
40class CachedRendering : public QObject
41{
42 Q_OBJECT
43public:
44
45 CachedRendering(QStyle::State state, const QSize &size, QModelIndex validityIndex);
46 bool checkValidity(QStyle::State current) const { return state == current && valid; }
47
48 QStyle::State state;
49 QPixmap regular;
50 QPixmap hover;
51
52 bool valid;
53 QPersistentModelIndex validityIndex;
54private Q_SLOTS:
55 void dataChanged(const QModelIndex & topLeft, const QModelIndex & bottomRight);
56 void modelReset();
57};
58
59
60class AnimationState
61{
62public:
63 ~AnimationState();
64 //Progress of the mouse hovering animation
65 qreal hoverProgress() const;
66 //Progress of the icon fading animation
67 qreal fadeProgress() const;
68 //Angle of the painter, to paint the animation for a file job on an item
69 qreal jobAnimationAngle() const;
70
71 void setJobAnimation(bool value);
72 bool hasJobAnimation() const;
73
74 CachedRendering *cachedRendering() const { return renderCache; }
75 //The previous render-cache is deleted, if there was one
76 void setCachedRendering(CachedRendering *rendering) { delete renderCache; renderCache = rendering; }
77
78 //Returns current cached rendering, and removes it from this state.
79 //The caller has the ownership.
80 CachedRendering *takeCachedRendering() { CachedRendering* ret = renderCache; renderCache = 0; return ret; }
81
82 CachedRendering* cachedRenderingFadeFrom() const { return fadeFromRenderCache; }
83 //The previous render-cache is deleted, if there was one
84 void setCachedRenderingFadeFrom(CachedRendering* rendering) { delete fadeFromRenderCache; fadeFromRenderCache = rendering; if(rendering) m_fadeProgress = 0; else m_fadeProgress = 1; }
85
86private:
87 AnimationState(const QModelIndex &index);
88 bool update();
89
90 QPersistentModelIndex index;
91 QTimeLine::Direction direction;
92 bool animating;
93 bool jobAnimation;
94 qreal progress;
95 qreal m_fadeProgress;
96 qreal m_jobAnimationAngle;
97 QTime time;
98 QTime creationTime;
99 CachedRendering *renderCache;
100 CachedRendering *fadeFromRenderCache;
101
102 friend class DelegateAnimationHandler;
103};
104
105
106class DelegateAnimationHandler : public QObject
107{
108 Q_OBJECT
109
110 typedef QLinkedList<AnimationState*> AnimationList;
111 typedef QMapIterator<const QAbstractItemView *, AnimationList*> AnimationListsIterator;
112 typedef QMutableMapIterator<const QAbstractItemView *, AnimationList*> MutableAnimationListsIterator;
113
114public:
115 DelegateAnimationHandler(QObject *parent = 0);
116 ~DelegateAnimationHandler();
117
118 AnimationState *animationState(const QStyleOption &option, const QModelIndex &index, const QAbstractItemView *view);
119
120 void restartAnimation(AnimationState* state);
121
122 void gotNewIcon(const QModelIndex& index);
123
124private slots:
125 void viewDeleted(QObject *view);
126 void sequenceTimerTimeout();
127
128private:
129 void eventuallyStartIteration(QModelIndex index);
130 AnimationState *findAnimationState(const QAbstractItemView *view, const QModelIndex &index) const;
131 void addAnimationState(AnimationState *state, const QAbstractItemView *view);
132 void startAnimation(AnimationState *state);
133 int runAnimations(AnimationList *list, const QAbstractItemView *view);
134 void timerEvent(QTimerEvent *event);
135 void setSequenceIndex(int arg1);
136
137private:
138 QMap<const QAbstractItemView*, AnimationList*> animationLists;
139 QTime fadeInAddTime;
140 QBasicTimer timer;
141 //Icon sequence handling:
142 QPersistentModelIndex sequenceModelIndex;
143 QTimer iconSequenceTimer;
144 int currentSequenceIndex;
145};
146
147}
148
149#endif
KIO::AnimationState
Definition: delegateanimationhandler_p.h:61
KIO::AnimationState::takeCachedRendering
CachedRendering * takeCachedRendering()
Definition: delegateanimationhandler_p.h:80
KIO::AnimationState::setCachedRenderingFadeFrom
void setCachedRenderingFadeFrom(CachedRendering *rendering)
Definition: delegateanimationhandler_p.h:84
KIO::AnimationState::hoverProgress
qreal hoverProgress() const
Definition: delegateanimationhandler.cpp:153
KIO::AnimationState::~AnimationState
~AnimationState()
Definition: delegateanimationhandler.cpp:94
KIO::AnimationState::setCachedRendering
void setCachedRendering(CachedRendering *rendering)
Definition: delegateanimationhandler_p.h:76
KIO::AnimationState::hasJobAnimation
bool hasJobAnimation() const
Definition: delegateanimationhandler.cpp:171
KIO::AnimationState::cachedRendering
CachedRendering * cachedRendering() const
Definition: delegateanimationhandler_p.h:74
KIO::AnimationState::jobAnimationAngle
qreal jobAnimationAngle() const
Definition: delegateanimationhandler.cpp:166
KIO::AnimationState::cachedRenderingFadeFrom
CachedRendering * cachedRenderingFadeFrom() const
Definition: delegateanimationhandler_p.h:82
KIO::AnimationState::setJobAnimation
void setJobAnimation(bool value)
Definition: delegateanimationhandler.cpp:176
KIO::AnimationState::fadeProgress
qreal fadeProgress() const
Definition: delegateanimationhandler.cpp:161
KIO::CachedRendering
Definition: delegateanimationhandler_p.h:41
KIO::CachedRendering::regular
QPixmap regular
Definition: delegateanimationhandler_p.h:49
KIO::CachedRendering::checkValidity
bool checkValidity(QStyle::State current) const
Definition: delegateanimationhandler_p.h:46
KIO::CachedRendering::valid
bool valid
Definition: delegateanimationhandler_p.h:52
KIO::CachedRendering::state
QStyle::State state
Definition: delegateanimationhandler_p.h:48
KIO::CachedRendering::validityIndex
QPersistentModelIndex validityIndex
Definition: delegateanimationhandler_p.h:53
KIO::CachedRendering::hover
QPixmap hover
Definition: delegateanimationhandler_p.h:50
KIO::DelegateAnimationHandler
Definition: delegateanimationhandler_p.h:107
KIO::DelegateAnimationHandler::~DelegateAnimationHandler
~DelegateAnimationHandler()
Definition: delegateanimationhandler.cpp:193
KIO::DelegateAnimationHandler::animationState
AnimationState * animationState(const QStyleOption &option, const QModelIndex &index, const QAbstractItemView *view)
Definition: delegateanimationhandler.cpp:271
KIO::DelegateAnimationHandler::gotNewIcon
void gotNewIcon(const QModelIndex &index)
Definition: delegateanimationhandler.cpp:228
KIO::DelegateAnimationHandler::restartAnimation
void restartAnimation(AnimationState *state)
Definition: delegateanimationhandler.cpp:384
QMap
QObject
KIO
A namespace for KIO globals.
Definition: kbookmarkmenu.h:55
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