presentations autosave

git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@59862 954022d7-b5bf-4e40-9824-e11837661b57

PowerPoint/Drawing/HtmlPage.js

@@ -279,6 +279,11 @@ function CEditorPage(api)
 
     this.IsUseNullThumbnailsSplitter = false;
 
+    this.m_nIntervalSlowAutosave = 600000;
+    this.m_nIntervalFastAutosave = 2000;
+    this.m_nIntervalWaitAutoSave = 1000;
+    this.m_nLastAutosaveTime = -1;
+
     this.m_oApi = api;
     var oThis = this;
 
@@ -2925,6 +2930,36 @@ function CEditorPage(api)
             oWordControl.CheckFontCache();
         }
 
+        if (oWordControl.m_oApi.autoSaveGap != 0 && !oWordControl.m_oApi.isViewMode && !oWordControl.TextBoxInputFocus)
+        {
+            var _curTime = new Date().getTime();
+            if (-1 == oWordControl.m_nLastAutosaveTime)
+            {
+                oWordControl.m_nLastAutosaveTime = _curTime;
+            }
+
+            var _bIsWaitScheme = false;
+            if (History.Points && History.Index >= 0 && History.Index < History.Points.length)
+            {
+                if ((_curTime - History.Points[History.Index].Time) < oWordControl.m_nIntervalWaitAutoSave)
+                    _bIsWaitScheme = true;
+            }
+
+            if (!_bIsWaitScheme)
+            {
+                var _interval = (CollaborativeEditing.m_nUseType <= 0) ? oWordControl.m_nIntervalSlowAutosave : oWordControl.m_nIntervalFastAutosave;
+
+                if ((_curTime - oWordControl.m_nLastAutosaveTime) > _interval)
+                {
+                    if (History.Have_Changes() == true)
+                    {
+                        oWordControl.m_oApi.asc_Save();
+                    }
+                    oWordControl.m_nLastAutosaveTime = _curTime;
+                }
+            }
+        }
+
         this.m_nPaintTimerId = setTimeout(oWordControl.onTimerScroll, oWordControl.m_nTimerScrollInterval);
         //window.requestAnimationFrame(oWordControl.onTimerScroll);
     }