1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include <QTimer> |
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19 #include "cxedummystatemachine.h" |
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20 #include "cxestate.h" |
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21 |
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22 |
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23 /*! |
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24 \class CxeDummyStateMachine |
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25 \brief Dummy state machine for testing CxeTestUtils::waitForState() |
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26 */ |
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27 |
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28 CxeDummyStateMachine::CxeDummyStateMachine() : CxeStateMachine("dummy state machine") |
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29 { |
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30 qRegisterMetaType<CxeDummyStateMachine::State>(); |
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31 addState(new CxeState(A, "A", B|C)); |
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32 addState(new CxeState(B, "B", A|C)); |
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33 addState(new CxeState(C, "C", A|B)); |
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34 setInitialState(A); |
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35 } |
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36 |
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37 CxeDummyStateMachine::~CxeDummyStateMachine() |
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38 { |
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39 // no implementation needed here |
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40 } |
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41 |
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42 CxeDummyStateMachine::State CxeDummyStateMachine::state() const |
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43 { |
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44 return static_cast<State>(stateId()); |
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45 } |
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46 |
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47 void CxeDummyStateMachine::handleStateChanged(int /*newStateId*/, CxeError::Id error) |
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48 { |
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49 emit stateChanged(state(), error); |
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50 } |
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51 |
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52 /*! |
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53 Do an internal state change after a given delay. Multiple state changes |
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54 can be queued and they are executed in the same order delayedStateChange() |
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55 was called. The delay between queued state changes is determined by the |
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56 last delayedStateChange() call. |
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57 |
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58 @param targetState Target state for transition (A, B, or C) |
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59 @param ms Delay until state change (milliseconds) |
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60 */ |
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61 void CxeDummyStateMachine::delayedStateChange(State targetState, int ms) |
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62 { |
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63 mTargetStateQueue.enqueue(targetState); |
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64 mDelay = ms; |
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65 QTimer::singleShot(ms, this, SLOT(timeout())); |
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66 } |
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67 |
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68 void CxeDummyStateMachine::timeout() |
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69 { |
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70 if (!mTargetStateQueue.isEmpty()) { |
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71 if (mDelay == 0) { |
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72 // No delay, instant changes |
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73 foreach(State s, mTargetStateQueue) { |
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74 setState(s); |
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75 } |
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76 mTargetStateQueue.clear(); |
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77 } else { |
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78 // One state change at a time |
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79 setState(mTargetStateQueue.dequeue()); |
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80 } |
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81 } |
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82 if (!mTargetStateQueue.isEmpty()) { |
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83 QTimer::singleShot(mDelay, this, SLOT(timeout())); |
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84 } |
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85 } |
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