author | hgs |
Mon, 04 Oct 2010 11:29:25 +0300 | |
changeset 78 | 71ad690e91f5 |
parent 23 | 98ccebc37403 |
permissions | -rw-r--r-- |
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Revision: v2.1.22
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/* |
2a9601315dfc
Revision: v2.1.22
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
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Revision: v2.1.22
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* All rights reserved. |
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Revision: v2.1.22
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* This component and the accompanying materials are made available |
2a9601315dfc
Revision: v2.1.22
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* under the terms of "Eclipse Public License v1.0" |
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Revision: v2.1.22
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* which accompanies this distribution, and is available |
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Revision: v2.1.22
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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Revision: v2.1.22
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* |
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Revision: v2.1.22
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* Initial Contributors: |
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Revision: v2.1.22
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* Nokia Corporation - initial contribution. |
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Revision: v2.1.22
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* |
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* Contributors: |
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Revision: v2.1.22
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* |
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* Description: |
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* |
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Revision: v2.1.22
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*/ |
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Revision: v2.1.22
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|
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Revision: v2.1.22
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package javax.microedition.lcdui; |
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import org.eclipse.swt.widgets.Widget; |
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|
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/* |
2a9601315dfc
Revision: v2.1.22
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* Event dispatcher singleton class. Takes care of dispatching the UI callbacks |
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* to the MIDlet in a dedicated dispatcher thread. Owns and encapsulates an |
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* event queue of callback events. |
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*/ |
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final class EventDispatcher |
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{ |
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|
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private static EventDispatcher singleton; |
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private static EventQueue eventQueue; |
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private static Thread dispatcherThread; |
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private static boolean terminated; |
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private static boolean terminateCalled; |
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private static Object wakeLock; |
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private static Object callbackLock; |
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private static Object terminationLock; |
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private static boolean pendingWake; |
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private static Runnable terminatedNotification; |
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private final static String logName = "LCDUI event dispatcher: "; |
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|
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/* |
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* LCDUI-internal event class for callback events. |
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*/ |
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static final class LCDUIEvent |
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{ |
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/* |
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* High bits of the event event type identifier are used to group the |
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* events that are handled the same way in the Event Dispatcher. |
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*/ |
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static final int CANVASBIT = 0x80000000; |
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static final int CUSTOMITEMBIT = 0x40000000; |
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static final int DISPLAYABLEBIT = 0x20000000; |
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static final int EVENTTYPEMASK = CANVASBIT|CUSTOMITEMBIT|DISPLAYABLEBIT; |
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|
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/* |
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* Event type identifiers. |
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*/ |
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static final int CANVAS_HIDENOTIFY = 1|CANVASBIT; |
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static final int CANVAS_KEYPRESSED = 2|CANVASBIT; |
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static final int CANVAS_KEYREPEATED = 3|CANVASBIT; |
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static final int CANVAS_KEYRELEASED = 4|CANVASBIT; |
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static final int CANVAS_PAINT_NATIVE_REQUEST = 5|CANVASBIT; |
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static final int CANVAS_PAINT_MIDLET_REQUEST = 6|CANVASBIT; |
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static final int CANVAS_POINTERDRAGGED = 7|CANVASBIT; |
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static final int CANVAS_POINTERPRESSED = 8|CANVASBIT; |
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static final int CANVAS_POINTERRELEASED = 9|CANVASBIT; |
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static final int CANVAS_SHOWNOTIFY = 10|CANVASBIT; |
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static final int DISPLAYABLE_SIZECHANGED = 11|DISPLAYABLEBIT; |
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static final int DISPLAYABLE_COMMANDACTION = 12|DISPLAYABLEBIT; |
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static final int CUSTOMITEM_HIDENOTIFY = 13|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_KEYPRESSED = 14|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_KEYREPEATED = 15|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_KEYRELEASED = 16|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_PAINT_NATIVE_REQUEST = 17|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_PAINT_MIDLET_REQUEST = 18|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_POINTERDRAGGED = 19|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_POINTERPRESSED = 20|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_POINTERRELEASED = 21|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_SHOWNOTIFY = 22|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_SIZECHANGED = 23|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_TRAVERSE = 24|CUSTOMITEMBIT; |
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static final int CUSTOMITEM_TRAVERSEOUT = 25|CUSTOMITEMBIT; |
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static final int ITEM_COMMANDACTION = 26; |
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static final int ITEMSTATELISTENER_ITEMSTATECHANGED = 27; |
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static final int RUNNABLE_CALLSERIALLY = 28; |
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/* |
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* Event parameters. |
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*/ |
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int type; |
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int x; |
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int y; |
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int width; |
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int height; |
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97 |
int keyCode; |
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98 |
Runnable runnable; |
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99 |
Command command; |
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100 |
CommandListener commandListener; |
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101 |
ItemCommandListener itemCommandListener; |
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102 |
Item item; |
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103 |
|
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104 |
/* |
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105 |
* Handler object. The object that the LCDUIEvent will be passed to |
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106 |
* when the event is dispatched. Based on the event type it's known |
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107 |
* what type of an object it must be. The handler object will |
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108 |
* implement how to do the actual callback. |
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109 |
*/ |
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110 |
Object handlerObject; |
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111 |
|
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112 |
/* |
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113 |
* The associated eSWT widget. Used to store the eSWT widget which |
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114 |
* the original eSWT event was for. E.g. in Form the CustomItem's |
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115 |
* widget may change while the event is in the queue. |
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116 |
*/ |
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117 |
Widget widget; |
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118 |
|
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119 |
/* |
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120 |
* Used by EventQueue. |
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121 |
*/ |
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122 |
LCDUIEvent next; |
21
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123 |
|
23
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124 |
private LCDUIEvent() |
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125 |
{ |
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126 |
} |
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127 |
} |
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128 |
|
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129 |
/* |
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130 |
* The event loop executed in a dedicated dispatcher thread. Events are |
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Revision: v2.1.24
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131 |
* popped from the queue and dispatched oldest first until there are no |
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Revision: v2.1.24
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132 |
* more events. Then the thread sleeps until new events are posted or |
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133 |
* termination is requested. Any exceptions thrown from the event handlers |
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134 |
* are let through to the runtime which should lead into termination of |
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135 |
* all threads in the process. |
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136 |
*/ |
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Revision: v2.1.24
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137 |
private static class EventLoop implements Runnable |
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138 |
{ |
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139 |
private boolean noException; |
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140 |
public void run() |
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Revision: v2.1.24
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141 |
{ |
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142 |
try |
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143 |
{ |
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144 |
Logger.info(logName + "Dispatcher thread started"); |
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145 |
while(true) |
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Revision: v2.1.24
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146 |
{ |
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147 |
LCDUIEvent event; |
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148 |
do |
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149 |
{ |
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synchronized(wakeLock) |
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151 |
{ |
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152 |
if(terminated) |
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153 |
{ |
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154 |
cleanup(); |
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155 |
noException = true; |
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156 |
return; |
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157 |
} |
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158 |
event = eventQueue.pop(); |
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159 |
pendingWake = false; |
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160 |
} |
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Revision: v2.1.22
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|
161 |
|
23
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162 |
if(event != null) |
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163 |
{ |
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164 |
synchronized(callbackLock) |
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165 |
{ |
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166 |
// No callbacks are sent if already terminating |
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167 |
if(!terminated) |
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168 |
{ |
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169 |
handleEvent(event); |
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170 |
} |
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171 |
} |
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172 |
} |
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173 |
} |
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174 |
while(event != null); |
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Revision: v2.1.22
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|
175 |
|
23
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176 |
// No more events |
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177 |
waitForWake(); |
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178 |
} |
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179 |
} |
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180 |
finally |
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181 |
{ |
78 | 182 |
synchronized(terminationLock) |
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183 |
{ |
78 | 184 |
terminated = true; |
185 |
if(noException) |
|
186 |
{ |
|
187 |
Logger.info(logName + "Dispatcher thread exiting normally"); |
|
188 |
} |
|
189 |
else |
|
190 |
{ |
|
191 |
Logger.error(logName + "Dispatcher thread exiting abnormally"); |
|
192 |
} |
|
193 |
if(terminatedNotification != null) |
|
194 |
{ |
|
195 |
terminatedNotification.run(); |
|
196 |
terminatedNotification = null; |
|
197 |
} |
|
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198 |
} |
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199 |
} |
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Revision: v2.1.24
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200 |
} |
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Revision: v2.1.24
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201 |
} |
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Revision: v2.1.22
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|
202 |
|
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Revision: v2.1.24
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203 |
private EventDispatcher() |
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204 |
{ |
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Revision: v2.1.24
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205 |
wakeLock = new Object(); |
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Revision: v2.1.24
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206 |
callbackLock = new Object(); |
78 | 207 |
terminationLock = new Object(); |
23
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208 |
eventQueue = new EventQueue(); |
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Revision: v2.1.24
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209 |
dispatcherThread = new Thread(new EventLoop(), this.toString()); |
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Revision: v2.1.24
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210 |
dispatcherThread.start(); |
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211 |
} |
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212 |
|
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213 |
/* |
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* Cleanup that is done when closing down in a controlled way. |
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215 |
*/ |
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216 |
private static void cleanup() |
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217 |
{ |
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eventQueue = null; |
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dispatcherThread = null; |
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220 |
} |
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221 |
|
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222 |
/* |
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223 |
* Synchronized to the EventDispatcher class to synchronize with multiple |
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224 |
* clients requesting the instance concurrently. |
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225 |
*/ |
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226 |
static synchronized EventDispatcher instance() |
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227 |
{ |
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if(singleton == null) |
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229 |
{ |
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singleton = new EventDispatcher(); |
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231 |
} |
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return singleton; |
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233 |
} |
21
2a9601315dfc
Revision: v2.1.22
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234 |
|
23
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235 |
/* |
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* LCDUIEvent factory. |
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*/ |
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LCDUIEvent newEvent(int type, Object handlerObject) |
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239 |
{ |
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LCDUIEvent event = new LCDUIEvent(); |
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event.type = type; |
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event.handlerObject = handlerObject; |
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243 |
return event; |
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244 |
} |
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245 |
|
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246 |
/* |
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247 |
* UI thread and the application threads call to add an event to the queue. |
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248 |
* Synchronized to the EventDispatcher instance to synchronize with queries about |
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249 |
* the queue content. |
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250 |
*/ |
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251 |
synchronized void postEvent(LCDUIEvent event) |
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252 |
{ |
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253 |
// New events ignored after terminate() has been called. |
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254 |
if(terminated) |
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255 |
{ |
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256 |
return; |
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257 |
} |
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258 |
eventQueue.push(event); |
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259 |
wake(); |
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260 |
} |
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Revision: v2.1.22
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|
261 |
|
23
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262 |
/* |
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263 |
* Asynchronously terminates the event dispatcher. If it's currently |
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264 |
* executing a callback it will finish it but not execute any callbacks |
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265 |
* after it. Events possibly remaining in the queue are discarded. The |
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266 |
* method is synchronized to the EventDispatcher instance to synchronize |
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267 |
* with queue content manipulation and query operations. |
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268 |
* |
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269 |
* @param runnable Called when dispatcher is out of the final callback and |
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270 |
* is going to die. |
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271 |
*/ |
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272 |
synchronized void terminate(Runnable runnable) |
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273 |
{ |
78 | 274 |
synchronized(terminationLock) |
23
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275 |
{ |
78 | 276 |
// Only the first call does something |
277 |
if(!terminateCalled) |
|
278 |
{ |
|
279 |
terminateCalled = true; |
|
280 |
if(terminated) |
|
281 |
{ |
|
282 |
// Already terminated. Dispatcher thread is not available |
|
283 |
// anymore for the asynchronous notification callback. Do |
|
284 |
// the callback in the current thread. |
|
285 |
if(runnable != null) |
|
286 |
{ |
|
287 |
runnable.run(); |
|
288 |
} |
|
289 |
} |
|
290 |
else |
|
291 |
{ |
|
292 |
synchronized(wakeLock) |
|
293 |
{ |
|
294 |
wake(); |
|
295 |
terminatedNotification = runnable; |
|
296 |
terminated = true; |
|
297 |
} |
|
298 |
} |
|
299 |
} |
|
23
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|
300 |
} |
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|
301 |
} |
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|
302 |
|
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|
303 |
/* |
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|
304 |
* Canvas.serviceRepaints support is implemented in EventDispatcher so that |
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Revision: v2.1.24
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|
305 |
* it's possible to synchronize properly with termination and other |
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Revision: v2.1.24
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|
306 |
* callbacks without exposing the event dispatcher's internal |
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Revision: v2.1.24
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|
307 |
* implementation details to other classes. This method must be called |
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Revision: v2.1.24
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|
308 |
* directly in the application thread calling Canvas.serviceRepaints(). It |
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Revision: v2.1.24
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|
309 |
* can be either the dispatcher thread or any application thread. Never |
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Revision: v2.1.24
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|
310 |
* the UI thread. |
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Revision: v2.1.24
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|
311 |
*/ |
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Revision: v2.1.24
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|
312 |
void serviceRepaints(Canvas canvas) |
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Revision: v2.1.24
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|
313 |
{ |
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Revision: v2.1.24
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|
314 |
// Synchronizing to callbackLock guarantees that dispatcher thread is |
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Revision: v2.1.24
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|
315 |
// not in a callback and is not going to make a callback until the lock |
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Revision: v2.1.24
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|
316 |
// is freed from here. If this is the dispatcher thread then it already |
98ccebc37403
Revision: v2.1.24
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|
317 |
// holds the lock. |
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Revision: v2.1.24
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|
318 |
synchronized(callbackLock) |
98ccebc37403
Revision: v2.1.24
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|
319 |
{ |
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Revision: v2.1.24
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|
320 |
// Synchronized to the EventDispatcher instance to synchronize with |
98ccebc37403
Revision: v2.1.24
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|
321 |
// terminate() calls. Lock is freed before the callback so that |
98ccebc37403
Revision: v2.1.24
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|
322 |
// it's possible to complete a terminate() call during the |
98ccebc37403
Revision: v2.1.24
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|
323 |
// callback. Event loop is going to check after acquiring the |
98ccebc37403
Revision: v2.1.24
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|
324 |
// callbackLock if terminate() was called during this callback. |
98ccebc37403
Revision: v2.1.24
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|
325 |
synchronized(this) |
98ccebc37403
Revision: v2.1.24
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|
326 |
{ |
98ccebc37403
Revision: v2.1.24
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|
327 |
if(terminated) |
98ccebc37403
Revision: v2.1.24
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|
328 |
{ |
98ccebc37403
Revision: v2.1.24
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|
329 |
return; |
98ccebc37403
Revision: v2.1.24
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changeset
|
330 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
331 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
332 |
// Canvas.paint() is called back directly in the thread that called |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
333 |
// serviceRepaints(). Event is not really needed but is created so |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
334 |
// that the same APIs can be used. |
21
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
LCDUIEvent event = newEvent(LCDUIEvent.CANVAS_PAINT_MIDLET_REQUEST, canvas); |
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
336 |
event.widget = canvas.getContentComp(); |
23
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
337 |
canvas.doCallback(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
338 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
339 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
340 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
341 |
private static void wake() |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
342 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
343 |
synchronized(wakeLock) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
344 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
345 |
wakeLock.notify(); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
346 |
pendingWake = true; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
347 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
348 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
349 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
350 |
private static void waitForWake() |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
351 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
352 |
try |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
353 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
354 |
synchronized(wakeLock) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
355 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
356 |
// If there has been a call to wake() then one more iteration |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
357 |
// must be executed before entering wait(). |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
358 |
if(!pendingWake) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
359 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
360 |
wakeLock.wait(); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
361 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
362 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
363 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
364 |
catch(InterruptedException interruptedException) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
365 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
366 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
367 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
368 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
369 |
private static void handleEvent(LCDUIEvent event) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
370 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
371 |
switch(event.type & LCDUIEvent.EVENTTYPEMASK) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
372 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
373 |
case LCDUIEvent.CANVASBIT: |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
374 |
handleCanvasEvent(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
375 |
break; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
376 |
case LCDUIEvent.CUSTOMITEMBIT: |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
377 |
handleCustomItemEvent(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
378 |
break; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
379 |
case LCDUIEvent.DISPLAYABLEBIT: |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
380 |
handleDisplayableEvent(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
381 |
break; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
382 |
default: |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
383 |
handleOtherEvent(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
384 |
break; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
385 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
386 |
// When returning from here all the references to the event have been |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
387 |
// lost and the objects referenced by the event can be gc'd. No need |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
388 |
// to set the fields to null. |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
389 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
390 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
391 |
private static void handleCanvasEvent(LCDUIEvent event) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
392 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
393 |
Canvas canvas = (Canvas)event.handlerObject; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
394 |
canvas.doCallback(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
395 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
396 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
397 |
private static void handleCustomItemEvent(LCDUIEvent event) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
398 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
399 |
Form form = (Form)event.handlerObject; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
400 |
form.doCallback(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
401 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
402 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
403 |
private static void handleDisplayableEvent(LCDUIEvent event) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
404 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
405 |
Displayable displayable = (Displayable)event.handlerObject; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
406 |
displayable.doCallback(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
407 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
408 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
409 |
private static void handleOtherEvent(LCDUIEvent event) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
410 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
411 |
switch(event.type) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
412 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
413 |
case LCDUIEvent.RUNNABLE_CALLSERIALLY: |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
414 |
handleCallSerially(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
415 |
break; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
416 |
case LCDUIEvent.ITEM_COMMANDACTION: |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
417 |
handleItemCommandListenerCommandAction(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
418 |
break; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
419 |
default: |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
420 |
Logger.error(logName + "Unknown event type: " + event.type); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
421 |
break; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
422 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
423 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
424 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
425 |
private static void handleCallSerially(LCDUIEvent event) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
426 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
427 |
Display display = (Display)event.handlerObject; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
428 |
display.doCallback(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
429 |
} |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
430 |
|
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
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431 |
private static void handleItemCommandListenerCommandAction(LCDUIEvent event) |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
432 |
{ |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
433 |
Item item = (Item)event.handlerObject; |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
434 |
item.doCallback(event); |
98ccebc37403
Revision: v2.1.24
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
435 |
} |
21
2a9601315dfc
Revision: v2.1.22
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
436 |
} |