cc8b3a5a96
Canceling the animation in the animationEnded handler triggers a crash. This is due to multiple lists being iterated and manipulated at the same time. This adds a test case which simulates the crashy situation. REVIEW: 126975
127 lines
4.8 KiB
C++
127 lines
4.8 KiB
C++
/********************************************************************
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KWin - the KDE window manager
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This file is part of the KDE project.
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Copyright (C) 2012 Martin Gräßlin <mgraesslin@kde.org>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************/
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#ifndef KWIN_SCRIPTEDEFFECT_H
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#define KWIN_SCRIPTEDEFFECT_H
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#include <kwinanimationeffect.h>
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class KConfigLoader;
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class KPluginMetaData;
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class QScriptEngine;
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class QScriptValue;
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namespace KWin
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{
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class KWIN_EXPORT ScriptedEffect : public KWin::AnimationEffect
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{
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Q_OBJECT
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Q_ENUMS(DataRole)
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Q_ENUMS(Qt::Axis)
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Q_ENUMS(Anchor)
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Q_ENUMS(MetaType)
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Q_ENUMS(EasingCurve)
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public:
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// copied from kwineffects.h
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enum DataRole {
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// Grab roles are used to force all other animations to ignore the window.
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// The value of the data is set to the Effect's `this` value.
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WindowAddedGrabRole = 1,
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WindowClosedGrabRole,
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WindowMinimizedGrabRole,
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WindowUnminimizedGrabRole,
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WindowForceBlurRole, ///< For fullscreen effects to enforce blurring of windows,
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WindowBlurBehindRole, ///< For single windows to blur behind
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WindowForceBackgroundContrastRole, ///< For fullscreen effects to enforce the background contrast,
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WindowBackgroundContrastRole, ///< For single windows to enable Background contrast
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LanczosCacheRole
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};
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enum EasingCurve {
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GaussianCurve = 128
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};
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const QString &scriptFile() const {
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return m_scriptFile;
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}
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virtual void reconfigure(ReconfigureFlags flags);
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int requestedEffectChainPosition() const override {
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return m_chainPosition;
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}
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QString activeConfig() const;
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void setActiveConfig(const QString &name);
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static ScriptedEffect *create(const QString &effectName, const QString &pathToScript, int chainPosition);
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static ScriptedEffect *create(const KPluginMetaData &effect);
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virtual ~ScriptedEffect();
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/**
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* Whether another effect has grabbed the @p w with the given @p grabRole.
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* @param w The window to check
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* @param grabRole The grab role to check
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* @returns @c true if another window has grabbed the effect, @c false otherwise
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**/
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Q_SCRIPTABLE bool isGrabbed(KWin::EffectWindow *w, DataRole grabRole);
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/**
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* Reads the value from the configuration data for the given key.
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* @param key The key to search for
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* @param defaultValue The value to return if the key is not found
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* @returns The config value if present
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**/
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Q_SCRIPTABLE QVariant readConfig(const QString &key, const QVariant defaultValue = QVariant());
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void registerShortcut(QAction *a, QScriptValue callback);
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const QHash<QAction*, QScriptValue> &shortcutCallbacks() const {
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return m_shortcutCallbacks;
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}
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QHash<int, QList<QScriptValue > > &screenEdgeCallbacks() {
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return m_screenEdgeCallbacks;
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}
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public Q_SLOTS:
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quint64 animate(KWin::EffectWindow *w, Attribute a, int ms, KWin::FPx2 to, KWin::FPx2 from = KWin::FPx2(), uint metaData = 0, QEasingCurve::Type curve = QEasingCurve::Linear, int delay = 0);
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quint64 set(KWin::EffectWindow *w, Attribute a, int ms, KWin::FPx2 to, KWin::FPx2 from = KWin::FPx2(), uint metaData = 0, QEasingCurve::Type curve = QEasingCurve::Linear, int delay = 0);
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bool retarget(quint64 animationId, KWin::FPx2 newTarget, int newRemainingTime = -1);
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bool cancel(quint64 animationId) { return AnimationEffect::cancel(animationId); }
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virtual bool borderActivated(ElectricBorder border);
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Q_SIGNALS:
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/**
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* Signal emitted whenever the effect's config changed.
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**/
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void configChanged();
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void animationEnded(KWin::EffectWindow *w, quint64 animationId);
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protected:
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void animationEnded(KWin::EffectWindow *w, Attribute a, uint meta);
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private Q_SLOTS:
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void signalHandlerException(const QScriptValue &value);
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void globalShortcutTriggered();
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private:
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ScriptedEffect();
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bool init(const QString &effectName, const QString &pathToScript);
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QScriptEngine *m_engine;
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QString m_effectName;
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QString m_scriptFile;
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QHash<QAction*, QScriptValue> m_shortcutCallbacks;
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QHash<int, QList<QScriptValue> > m_screenEdgeCallbacks;
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KConfigLoader *m_config;
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int m_chainPosition;
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};
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}
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#endif // KWIN_SCRIPTEDEFFECT_H
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