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git-svn-id: http://www.cozmixng.org/repos/piro/treestyletab/trunk@5869 599a83e7-65a4-db11-8015-0010dcdd6dc2
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piro 2010-01-07 10:39:53 +00:00
parent e521e9e94c
commit 4d362738ac
1 changed files with 213 additions and 45 deletions
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258
content/treestyletab/res/operationHistory.js
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@ -74,8 +74,7 @@
http://www.cozmixng.org/repos/piro/fx3-compatibility-lib/trunk/operationHistory.test.js
*/
(function() {
const currentRevision = 19;
const DEBUG = false;
const currentRevision = 26;
if (!('piro.sakura.ne.jp' in window)) window['piro.sakura.ne.jp'] = {};
@ -96,12 +95,34 @@
const Cc = Components.classes;
const Ci = Components.interfaces;
function log() {
const PREF_PREFIX = 'extensions.UIOperationsHistoryManager@piro.sakura.ne.jp.';
const Prefs = Cc['@mozilla.org/preferences;1']
.getService(Ci.nsIPrefBranch);
var DEBUG = false;
try {
DEBUG = Prefs.getBoolPref(PREF_PREFIX+'debug');
}
catch(e) {
}
const oneIndent = ' ';
function log(aString, aLevel) {
if (!DEBUG) return;
aString = String(aString);
if (aLevel) {
let indent = '';
for (let i = 0; i < aLevel; i++)
{
indent += oneIndent;
}
aString = aString.replace(/^/gm, indent);
}
Cc['@mozilla.org/fuel/application;1']
.getService(Ci.fuelIApplication)
.console
.log(Array.slice(arguments).join('\n'));
.log(aString);
}
window['piro.sakura.ne.jp'].operationHistory = {
@ -117,8 +138,8 @@
doUndoableTask : function()
{
var options = this._getOptionsFromArguments(arguments);
log('doUndoableTask start ('+options.name+' for '+options.windowId+')');
var history = options.history;
log('doUndoableTask start ('+options.name+' for '+options.windowId+')', history.inOperationCount);
var entry = options.entry;
if (!this._doingUndo && entry) {
@ -128,10 +149,11 @@
history.addEntry(entry);
}
var currentLevel = history.addingEntryLevel;
history.addingEntryLevel++;
var continuationInfo = new ContinuationInfo();
if (history.inOperation)
continuationInfo.done = false;
history.inOperation = true;
var error;
try {
if (options.task)
@ -144,7 +166,7 @@
manager : this,
getContinuation : function() {
return this.manager._createContinuation(
!continuationInfo.created && (currentLevel > 0) ? 'null' : 'undoable',
'undoable',
options,
continuationInfo
);
@ -153,18 +175,29 @@
);
}
catch(e) {
log(e);
log(e, history.inOperationCount);
error = e;
}
continuationInfo.allowed = true;
if (continuationInfo.done) {
history.addingEntryLevel--;
log(' => doUndoableTask finish');
if (!continuationInfo.shouldWait) {
history.inOperation = false;
log(' => doUndoableTask finish / in operation : '+history.inOperation, history.inOperationCount);
// wait for all child processes
if (history.inOperation)
continuationInfo = {
get done() {
return !history.inOperation;
}
};
}
else {
continuationInfo.allowed = true;
}
if (error)
throw error;
return continuationInfo;
},
getHistory : function()
@ -179,7 +212,7 @@
var history = options.history;
log('undo start ('+history.index+' / '+history.entries.length+', '+options.name+' for '+options.windowId+', '+this._doingUndo+')');
if (!history.canUndo || this._doingUndo)
return false;
return { done : true };
this._doingUndo = true;
var processed = false;
@ -190,10 +223,10 @@
let entries = history.currentEntries;
--history.index;
if (!entries.length) continue;
log(' '+(history.index+1)+' '+entries[0].label);
log((history.index+1)+' '+entries[0].label, 1);
let done = false;
entries.forEach(function(aEntry, aIndex) {
log(' level '+(aIndex)+' '+aEntry.label);
log('level '+(aIndex)+' '+aEntry.label, 2);
let f = this._getAvailableFunction(aEntry.onUndo, aEntry.onundo, aEntry.undo);
try {
if (f) {
@ -220,7 +253,7 @@
}
}
catch(e) {
log(e);
log(e, 2);
error = e;
}
}, this);
@ -228,16 +261,18 @@
}
while (processed === false && history.canUndo);
continuationInfo.allowed = true;
if (continuationInfo.done) {
this._doingUndo = false;
log(' => undo finish');
}
else {
continuationInfo.allowed = true;
}
if (error)
throw error;
return true;
return continuationInfo;
},
redo : function()
@ -247,7 +282,7 @@
var max = history.entries.length;
log('redo start ('+history.index+' / '+max+', '+options.name+' for '+options.windowId+', '+this._doingUndo+')');
if (!history.canRedo || this._doingUndo)
return false;
return { done : true };
this._doingUndo = true;
var processed = false;
@ -259,10 +294,10 @@
++history.index;
let entries = history.currentEntries;
if (!entries.length) continue;
log(' '+(history.index)+' '+entries[0].label);
log((history.index)+' '+entries[0].label, 1);
let done = false;
entries.forEach(function(aEntry, aIndex) {
log(' level '+(aIndex)+' '+aEntry.label);
log('level '+(aIndex)+' '+aEntry.label, 2);
let f = this._getAvailableFunction(aEntry.onRedo, aEntry.onredo, aEntry.redo);
let done = false;
try {
@ -290,23 +325,78 @@
}
}
catch(e) {
log(e);
log(e, 2);
error = e;
}
}, this);
this._dispatchEvent('UIOperationGlobalHistoryRedo', options, entries[0], done);
}
continuationInfo.allowed = true;
if (continuationInfo.done) {
this._doingUndo = false;
log(' => redo finish');
}
else {
continuationInfo.allowed = true;
}
if (error)
throw error;
return true;
return continuationInfo;
},
goToIndex : function()
{
var options = this._getOptionsFromArguments(arguments);
var history = options.history;
var index = Math.max(0, Math.min(history.entries.length-1, options.index));
var current = history.index;
if (index == current)
return { done : true };
var selfInfo = { done : false };
var self = this;
var iterator = (function() {
while (true)
{
let info;
if (index < current) {
if (history.index <= index)
break;
info = self.undo(options.name, options.window);
}
else {
if (history.index >= index)
break;
info = self.redo(options.name, options.window);
}
while (!info.done)
{
yield;
}
}
})();
var timer = window.setInterval(function() {
try {
iterator.next();
}
catch(e) {
selfInfo.done = true;
window.clearInterval(timer);
}
}, 10);
return selfInfo;
},
clear : function()
{
var options = this._getOptionsFromArguments(arguments);
return options.history.clear();
},
getWindowId : function(aWindow, aDefaultId)
@ -399,18 +489,22 @@
_getOptionsFromArguments : function(aArguments)
{
var w = null, name, entry = null, task = null;
var w = null,
name = '',
entry = null,
task = null,
index = -1;
Array.slice(aArguments).some(function(aArg) {
if (aArg instanceof Ci.nsIDOMWindow)
w = aArg;
else if (typeof aArg == 'string')
name = aArg;
else if (typeof aArg == 'number')
index = aArg;
else if (typeof aArg == 'function')
task = aArg;
else if (aArg)
entry = aArg;
return (w && name && entry && task);
});
if (!name)
@ -425,7 +519,8 @@
windowId : windowId,
entry : entry,
history : history,
task : task
task : task,
index : index
};
},
@ -452,11 +547,15 @@
switch (aType)
{
case 'undoable':
aInfo.done = false;
continuation = function() {
if (aInfo.allowed)
history.addingEntryLevel--;
if (aInfo.allowed) {
history.inOperation = false;
if (!history.inOperation)
aInfo.done = true;
}
aInfo.called = true;
log(' => doUndoableTask finish (delayed)');
log(' => doUndoableTask finish (delayed) / in operation : '+history.inOperationCount+' / '+aInfo.allowed, history.inOperationCount);
};
self = null;
aInfo.created = true;
@ -596,10 +695,6 @@
};
const Prefs = Cc['@mozilla.org/preferences;1']
.getService(Ci.nsIPrefBranch);
const PREF_PREFIX = 'extensions.UIOperationsHistoryManager@piro.sakura.ne.jp.';
function UIHistory(aName, aWindow, aId)
{
this.name = aName;
@ -643,24 +738,38 @@
return aValue;
},
get inOperation()
{
return this.inOperationCount > 0;
},
set inOperation(aValue)
{
if (aValue)
this.inOperationCount++;
else if (this.inOperationCount)
this.inOperationCount--;
return this.inOperationCount > 0;
},
clear : function()
{
this.entries = [];
this.metaData = [];
this.index = -1;
this.addingEntryLevel = 0;
this.inOperationCount = 0;
},
addEntry : function(aEntry)
{
log('UIHistory::addEntry / register new entry to history\n '+aEntry.label);
if (this.addingEntryLevel > 0) {
log('UIHistory::addEntry / register new entry to history\n '+aEntry.label+'\n in operation : '+this.inOperationCount, this.inOperationCount);
if (this.inOperation) {
this.lastMetaData.children.push(aEntry);
log(' => child level ('+(this.lastMetaData.children.length-1)+')');
log(' => child level ('+(this.lastMetaData.children.length-1)+')', this.inOperationCount);
}
else {
this._addNewEntry(aEntry);
log(' => top level ('+(this.entries.length-1)+')');
log(' => top level ('+(this.entries.length-1)+')', this.inOperationCount);
}
},
_addNewEntry : function(aEntry)
@ -722,9 +831,56 @@
function UIHistoryProxy(aHistory)
{
this.__proto__ = aHistory;
this.index = Math.max(0, Math.min(aHistory.entries.length-1, aHistory.index));
this._original = aHistory;
}
UIHistoryProxy.prototype = {
__proto__ : UIHistory.prototype,
get index()
{
return Math.max(0, Math.min(this.entries.length-1, this._original.index));
},
set index(aValue)
{
this._original.index = aValue;
return aValue;
},
get entries()
{
return this._original.entries;
},
set entries(aValue)
{
this._original.entries = aValue;
return aValue;
},
get metaData()
{
return this._original.metaData;
},
set metaData(aValue)
{
this._original.metaData = aValue;
return aValue;
},
get inOperationCount()
{
return this._original.inOperationCount;
},
set inOperationCount(aValue)
{
this._original.inOperationCount = aValue;
return aValue;
},
clear : function()
{
return this._original.clear();
}
};
function UIHistoryMetaData()
{
@ -742,11 +898,23 @@
this.called = false;
this.allowed = false;
this.created = false;
this._done = null;
}
ContinuationInfo.prototype = {
get shouldWait()
{
return this.created && !this.called;
},
get done()
{
return !this.created || this.called;
if (this._done !== null)
return this._done;
return !this.shouldWait;
},
set done(aValue)
{
this._done = aValue;
return aValue;
}
};