From 6403df30cc44fd4f4dd47dd2e03c32b5283391a9 Mon Sep 17 00:00:00 2001 From: Thierry Bastian Date: Tue, 6 Oct 2009 13:06:05 +0200 Subject: QParallelAnimationGroup: set the correct state for the animations There were cases (now covered by autotests) where the state of the animations could be wrong. Reviewed-by: janarve (cherry picked from commit 1f5afc4300d3d7e3063f4e2c80a280a5098717d1) --- src/corelib/animation/qparallelanimationgroup.cpp | 76 +++++++---- src/corelib/animation/qparallelanimationgroup_p.h | 2 + .../tst_qparallelanimationgroup.cpp | 146 ++++++++++++++++++++- 3 files changed, 194 insertions(+), 30 deletions(-) diff --git a/src/corelib/animation/qparallelanimationgroup.cpp b/src/corelib/animation/qparallelanimationgroup.cpp index 5b7fd22..2812854 100644 --- a/src/corelib/animation/qparallelanimationgroup.cpp +++ b/src/corelib/animation/qparallelanimationgroup.cpp @@ -143,13 +143,14 @@ void QParallelAnimationGroup::updateCurrentTime(int currentTime) // simulate completion of the loop seeking backwards for (int i = 0; i < d->animations.size(); ++i) { QAbstractAnimation *animation = d->animations.at(i); + //we need to make sure the animation is in the right state + //and then rewind it + d->applyGroupState(animation); animation->setCurrentTime(0); animation->stop(); } } - bool timeFwd = ((d->currentLoop == d->lastLoop && currentTime >= d->lastCurrentTime) - || d->currentLoop > d->lastLoop); #ifdef QANIMATION_DEBUG qDebug("QParallellAnimationGroup %5d: setCurrentTime(%d), loop:%d, last:%d, timeFwd:%d, lastcurrent:%d, %d", __LINE__, d->currentTime, d->currentLoop, d->lastLoop, timeFwd, d->lastCurrentTime, state()); @@ -158,34 +159,19 @@ void QParallelAnimationGroup::updateCurrentTime(int currentTime) for (int i = 0; i < d->animations.size(); ++i) { QAbstractAnimation *animation = d->animations.at(i); const int dura = animation->totalDuration(); - if (dura == -1 && d->isUncontrolledAnimationFinished(animation)) - continue; - if (dura == -1 || (currentTime <= dura && dura != 0) - || (dura == 0 && d->currentLoop != d->lastLoop)) { - switch (state()) { - case Running: - animation->start(); - break; - case Paused: - animation->pause(); - break; - case Stopped: - default: - break; - } + //if the loopcount is bigger we should always start all animations + if (d->currentLoop > d->lastLoop + //if we're at the end of the animation, we need to start it if it wasn't already started in this loop + //this happens in Backward direction where not all animations are started at the same time + || d->shouldAnimationStart(animation, d->lastCurrentTime > dura /*startIfAtEnd*/)) { + d->applyGroupState(animation); } - if (dura <= 0) { - if (dura == -1) - animation->setCurrentTime(currentTime); - continue; + if (animation->state() == state()) { + animation->setCurrentTime(currentTime); + if (dura > 0 && currentTime > dura) + animation->stop(); } - - if ((timeFwd && d->lastCurrentTime <= dura) - || (!timeFwd && d->currentTime <= dura)) - animation->setCurrentTime(currentTime); - if (currentTime > dura) - animation->stop(); } d->lastLoop = d->currentLoop; d->lastCurrentTime = currentTime; @@ -208,7 +194,8 @@ void QParallelAnimationGroup::updateState(QAbstractAnimation::State oldState, break; case Paused: for (int i = 0; i < d->animations.size(); ++i) - d->animations.at(i)->pause(); + if (d->animations.at(i)->state() == Running) + d->animations.at(i)->pause(); break; case Running: d->connectUncontrolledAnimations(); @@ -217,7 +204,8 @@ void QParallelAnimationGroup::updateState(QAbstractAnimation::State oldState, if (oldState == Stopped) animation->stop(); animation->setDirection(d->direction); - animation->start(); + if (d->shouldAnimationStart(animation, oldState == Stopped)) + animation->start(); } break; } @@ -280,6 +268,36 @@ void QParallelAnimationGroupPrivate::connectUncontrolledAnimations() } } +bool QParallelAnimationGroupPrivate::shouldAnimationStart(QAbstractAnimation *animation, bool startIfAtEnd) const +{ + const int dura = animation->totalDuration(); + if (dura == -1) + return !isUncontrolledAnimationFinished(animation); + if (startIfAtEnd) + return currentTime <= dura; + if (direction == QAbstractAnimation::Forward) + return currentTime < dura; + else //direction == QAbstractAnimation::Backward + return currentTime && currentTime <= dura; +} + +void QParallelAnimationGroupPrivate::applyGroupState(QAbstractAnimation *animation) +{ + switch (state) + { + case QAbstractAnimation::Running: + animation->start(); + break; + case QAbstractAnimation::Paused: + animation->pause(); + break; + case QAbstractAnimation::Stopped: + default: + break; + } +} + + bool QParallelAnimationGroupPrivate::isUncontrolledAnimationFinished(QAbstractAnimation *anim) const { return uncontrolledFinishTime.value(anim, -1) >= 0; diff --git a/src/corelib/animation/qparallelanimationgroup_p.h b/src/corelib/animation/qparallelanimationgroup_p.h index 8e1fb34..fa0ef95 100644 --- a/src/corelib/animation/qparallelanimationgroup_p.h +++ b/src/corelib/animation/qparallelanimationgroup_p.h @@ -74,6 +74,8 @@ public: int lastLoop; int lastCurrentTime; + bool shouldAnimationStart(QAbstractAnimation *animation, bool startIfAtEnd) const; + void applyGroupState(QAbstractAnimation *animation); bool isUncontrolledAnimationFinished(QAbstractAnimation *anim) const; void connectUncontrolledAnimations(); void disconnectUncontrolledAnimations(); diff --git a/tests/auto/qparallelanimationgroup/tst_qparallelanimationgroup.cpp b/tests/auto/qparallelanimationgroup/tst_qparallelanimationgroup.cpp index acd23b0..8578d36 100644 --- a/tests/auto/qparallelanimationgroup/tst_qparallelanimationgroup.cpp +++ b/tests/auto/qparallelanimationgroup/tst_qparallelanimationgroup.cpp @@ -62,6 +62,7 @@ public Q_SLOTS: private slots: void construction(); void setCurrentTime(); + void stateChanged(); void clearGroup(); void propagateGroupUpdateToChildren(); void updateChildrenWithRunningGroup(); @@ -252,6 +253,112 @@ void tst_QParallelAnimationGroup::setCurrentTime() QCOMPARE(loopsForever->currentTime(), 1); } +void tst_QParallelAnimationGroup::stateChanged() +{ + //this ensures that the correct animations are started when starting the group + TestAnimation *anim1 = new TestAnimation; + TestAnimation *anim2 = new TestAnimation; + TestAnimation *anim3 = new TestAnimation; + TestAnimation *anim4 = new TestAnimation; + anim1->setDuration(1000); + anim2->setDuration(2000); + anim3->setDuration(3000); + anim4->setDuration(3000); + QParallelAnimationGroup group; + group.addAnimation(anim1); + group.addAnimation(anim2); + group.addAnimation(anim3); + group.addAnimation(anim4); + + QSignalSpy spy1(anim1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State))); + QSignalSpy spy2(anim2, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State))); + QSignalSpy spy3(anim3, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State))); + QSignalSpy spy4(anim4, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State))); + + //first; let's start forward + group.start(); + //all the animations should be started + QCOMPARE(spy1.count(), 1); + QCOMPARE(qVariantValue(spy1.last().at(1)), TestAnimation::Running); + QCOMPARE(spy2.count(), 1); + QCOMPARE(qVariantValue(spy2.last().at(1)), TestAnimation::Running); + QCOMPARE(spy3.count(), 1); + QCOMPARE(qVariantValue(spy3.last().at(1)), TestAnimation::Running); + QCOMPARE(spy4.count(), 1); + QCOMPARE(qVariantValue(spy4.last().at(1)), TestAnimation::Running); + + group.setCurrentTime(1500); //anim1 should be finished + QCOMPARE(group.state(), QAnimationGroup::Running); + QCOMPARE(spy1.count(), 2); + QCOMPARE(qVariantValue(spy1.last().at(1)), TestAnimation::Stopped); + QCOMPARE(spy2.count(), 1); //no change + QCOMPARE(spy3.count(), 1); //no change + QCOMPARE(spy4.count(), 1); //no change + + group.setCurrentTime(2500); //anim2 should be finished + QCOMPARE(group.state(), QAnimationGroup::Running); + QCOMPARE(spy1.count(), 2); //no change + QCOMPARE(spy2.count(), 2); + QCOMPARE(qVariantValue(spy2.last().at(1)), TestAnimation::Stopped); + QCOMPARE(spy3.count(), 1); //no change + QCOMPARE(spy4.count(), 1); //no change + + group.setCurrentTime(3500); //everything should be finished + QCOMPARE(group.state(), QAnimationGroup::Stopped); + QCOMPARE(spy1.count(), 2); //no change + QCOMPARE(spy2.count(), 2); //no change + QCOMPARE(spy3.count(), 2); + QCOMPARE(qVariantValue(spy3.last().at(1)), TestAnimation::Stopped); + QCOMPARE(spy4.count(), 2); + QCOMPARE(qVariantValue(spy4.last().at(1)), TestAnimation::Stopped); + + //cleanup + spy1.clear(); + spy2.clear(); + spy3.clear(); + spy4.clear(); + + //now let's try to reverse that + group.setDirection(QAbstractAnimation::Backward); + group.start(); + + //only anim3 and anim4 should be started + QCOMPARE(group.state(), QAnimationGroup::Running); + QCOMPARE(spy1.count(), 0); + QCOMPARE(spy2.count(), 0); + QCOMPARE(spy3.count(), 1); + QCOMPARE(qVariantValue(spy3.last().at(1)), TestAnimation::Running); + QCOMPARE(spy4.count(), 1); + QCOMPARE(qVariantValue(spy4.last().at(1)), TestAnimation::Running); + + group.setCurrentTime(1500); //anim2 should be started + QCOMPARE(group.state(), QAnimationGroup::Running); + QCOMPARE(spy1.count(), 0); //no change + QCOMPARE(spy2.count(), 1); + QCOMPARE(qVariantValue(spy2.last().at(1)), TestAnimation::Running); + QCOMPARE(spy3.count(), 1); //no change + QCOMPARE(spy4.count(), 1); //no change + + group.setCurrentTime(500); //anim1 is finally also started + QCOMPARE(group.state(), QAnimationGroup::Running); + QCOMPARE(spy1.count(), 1); + QCOMPARE(qVariantValue(spy1.last().at(1)), TestAnimation::Running); + QCOMPARE(spy2.count(), 1); //no change + QCOMPARE(spy3.count(), 1); //no change + QCOMPARE(spy4.count(), 1); //no change + + group.setCurrentTime(0); //everything should be stopped + QCOMPARE(group.state(), QAnimationGroup::Stopped); + QCOMPARE(spy1.count(), 2); + QCOMPARE(qVariantValue(spy1.last().at(1)), TestAnimation::Stopped); + QCOMPARE(spy2.count(), 2); + QCOMPARE(qVariantValue(spy2.last().at(1)), TestAnimation::Stopped); + QCOMPARE(spy3.count(), 2); + QCOMPARE(qVariantValue(spy3.last().at(1)), TestAnimation::Stopped); + QCOMPARE(spy4.count(), 2); + QCOMPARE(qVariantValue(spy4.last().at(1)), TestAnimation::Stopped); +} + void tst_QParallelAnimationGroup::clearGroup() { QParallelAnimationGroup group; @@ -398,7 +505,7 @@ void tst_QParallelAnimationGroup::deleteChildrenWithRunningGroup() QCOMPARE(group.state(), QAnimationGroup::Running); QCOMPARE(anim1->state(), QAnimationGroup::Running); - QTest::qWait(50); + QTest::qWait(80); QVERIFY(group.currentTime() > 0); delete anim1; @@ -564,14 +671,23 @@ void tst_QParallelAnimationGroup::zeroDurationAnimation() anim2.setEndValue(100); anim2.setDuration(100); + TestAnimation anim3; + anim3.setStartValue(0); + anim3.setEndValue(100); + anim3.setDuration(10); + QSignalSpy stateChangedSpy1(&anim1, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State))); QSignalSpy finishedSpy1(&anim1, SIGNAL(finished())); QSignalSpy stateChangedSpy2(&anim2, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State))); QSignalSpy finishedSpy2(&anim2, SIGNAL(finished())); + QSignalSpy stateChangedSpy3(&anim3, SIGNAL(stateChanged(QAbstractAnimation::State, QAbstractAnimation::State))); + QSignalSpy finishedSpy3(&anim3, SIGNAL(finished())); + group.addAnimation(&anim1); group.addAnimation(&anim2); + group.addAnimation(&anim3); QCOMPARE(stateChangedSpy1.count(), 0); group.start(); QCOMPARE(stateChangedSpy1.count(), 2); @@ -586,9 +702,15 @@ void tst_QParallelAnimationGroup::zeroDurationAnimation() QCOMPARE(qVariantValue(stateChangedSpy1.at(0).at(1)), QAnimationGroup::Running); + QCOMPARE(stateChangedSpy3.count(), 1); + QCOMPARE(finishedSpy3.count(), 0); + QCOMPARE(qVariantValue(stateChangedSpy3.at(0).at(1)), + QAnimationGroup::Running); + QCOMPARE(anim1.state(), QAnimationGroup::Stopped); QCOMPARE(anim2.state(), QAnimationGroup::Running); + QCOMPARE(anim3.state(), QAnimationGroup::Running); QCOMPARE(group.state(), QAnimationGroup::Running); @@ -596,19 +718,24 @@ void tst_QParallelAnimationGroup::zeroDurationAnimation() group.setLoopCount(4); stateChangedSpy1.clear(); stateChangedSpy2.clear(); + stateChangedSpy3.clear(); group.start(); QCOMPARE(stateChangedSpy1.count(), 2); QCOMPARE(stateChangedSpy2.count(), 1); + QCOMPARE(stateChangedSpy3.count(), 1); group.setCurrentTime(50); QCOMPARE(stateChangedSpy1.count(), 2); QCOMPARE(stateChangedSpy2.count(), 1); + QCOMPARE(stateChangedSpy3.count(), 2); group.setCurrentTime(150); QCOMPARE(stateChangedSpy1.count(), 4); QCOMPARE(stateChangedSpy2.count(), 3); + QCOMPARE(stateChangedSpy3.count(), 4); group.setCurrentTime(50); QCOMPARE(stateChangedSpy1.count(), 6); QCOMPARE(stateChangedSpy2.count(), 5); + QCOMPARE(stateChangedSpy3.count(), 6); } @@ -863,6 +990,23 @@ void tst_QParallelAnimationGroup::pauseResume() QCOMPARE(anim->state(), QAnimationGroup::Running); QCOMPARE(anim->currentTime(), currentTime); QCOMPARE(spy.count(), 1); + + group.stop(); + spy.clear(); + new TestAnimation2(500, &group); + group.start(); + QCOMPARE(spy.count(), 1); //the animation should have been started + QCOMPARE(qVariantValue(spy.last().at(1)), TestAnimation::Running); + group.setCurrentTime(250); //end of first animation + QCOMPARE(spy.count(), 2); //the animation should have been stopped + QCOMPARE(qVariantValue(spy.last().at(1)), TestAnimation::Stopped); + group.pause(); + QCOMPARE(spy.count(), 2); //this shouldn't have changed + group.resume(); + QCOMPARE(spy.count(), 2); //this shouldn't have changed + + + } -- cgit v0.12