291 строка
10 KiB
JavaScript
291 строка
10 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
var gStateObject;
|
|
var gTreeData;
|
|
|
|
// Page initialization
|
|
|
|
window.onload = function() {
|
|
// the crashed session state is kept inside a textbox so that SessionStore picks it up
|
|
// (for when the tab is closed or the session crashes right again)
|
|
var sessionData = document.getElementById("sessionData");
|
|
if (!sessionData.value) {
|
|
var ss = Components.classes["@mozilla.org/suite/sessionstartup;1"].getService(Components.interfaces.nsISessionStartup);
|
|
sessionData.value = ss.state;
|
|
if (!sessionData.value) {
|
|
document.getElementById("errorTryAgain").disabled = true;
|
|
return;
|
|
}
|
|
}
|
|
// make sure the data is tracked to be restored in case of a subsequent crash
|
|
sessionData.dispatchEvent(new UIEvent("input",
|
|
{ bubbles: true, cancelable: true, view: window, detail: 0 }));
|
|
|
|
gStateObject = JSON.parse(sessionData.value);
|
|
|
|
initTreeView();
|
|
|
|
document.getElementById("errorTryAgain").focus();
|
|
};
|
|
|
|
function initTreeView() {
|
|
var tabList = document.getElementById("tabList");
|
|
var winLabel = tabList.getAttribute("_window_label");
|
|
|
|
gTreeData = [];
|
|
gStateObject.windows.forEach(function(aWinData, aIx) {
|
|
var winState = {
|
|
label: winLabel.replace("%S", (aIx + 1)),
|
|
open: true,
|
|
checked: true,
|
|
ix: aIx
|
|
};
|
|
winState.tabs = aWinData.tabs.map(function(aTabData) {
|
|
var entry = aTabData.entries[aTabData.index - 1] || { url: "about:blank" };
|
|
var iconURL = aTabData.attributes && aTabData.attributes.image || null;
|
|
// don't initiate a connection just to fetch a favicon (see bug 462863)
|
|
if (/^https?:/.test(iconURL))
|
|
iconURL = "moz-anno:favicon:" + iconURL;
|
|
return {
|
|
label: entry.title || entry.url,
|
|
checked: true,
|
|
src: iconURL,
|
|
parent: winState
|
|
};
|
|
});
|
|
gTreeData.push(winState);
|
|
for (var tab of winState.tabs)
|
|
gTreeData.push(tab);
|
|
}, this);
|
|
|
|
tabList.view = treeView;
|
|
tabList.view.selection.select(0);
|
|
}
|
|
|
|
// User actions
|
|
|
|
function restoreSession() {
|
|
document.getElementById("errorTryAgain").disabled = true;
|
|
|
|
// remove all unselected tabs from the state before restoring it
|
|
var ix = gStateObject.windows.length - 1;
|
|
for (var t = gTreeData.length - 1; t >= 0; t--) {
|
|
if (treeView.isContainer(t)) {
|
|
if (gTreeData[t].checked === 0)
|
|
// this window will be restored partially
|
|
gStateObject.windows[ix].tabs =
|
|
gStateObject.windows[ix].tabs.filter(function(aTabData, aIx)
|
|
gTreeData[t].tabs[aIx].checked);
|
|
else if (!gTreeData[t].checked)
|
|
// this window won't be restored at all
|
|
gStateObject.windows.splice(ix, 1);
|
|
ix--;
|
|
}
|
|
}
|
|
var stateString = JSON.stringify(gStateObject);
|
|
|
|
var ss = Components.classes["@mozilla.org/suite/sessionstore;1"].getService(Components.interfaces.nsISessionStore);
|
|
var top = getBrowserWindow();
|
|
|
|
// if there's only this page open, reuse the window for restoring the session
|
|
if (top.gBrowser.tabContainer.childNodes.length == 1) {
|
|
ss.setWindowState(top, stateString, true);
|
|
return;
|
|
}
|
|
|
|
// restore the session into a new window and close the current tab
|
|
var newWindow = top.openDialog(top.location, "_blank", "chrome,dialog=no,all", "about:blank");
|
|
var tab = top.gBrowser.selectedTab;
|
|
newWindow.addEventListener("load", function newWindowLoad() {
|
|
newWindow.removeEventListener("load", newWindowLoad, true);
|
|
ss.setWindowState(newWindow, stateString, true);
|
|
|
|
top.gBrowser.removeTab(tab);
|
|
}, true);
|
|
}
|
|
|
|
function startNewSession() {
|
|
if (Components.classes["@mozilla.org/preferences-service;1"]
|
|
.getService(Components.interfaces.nsIPrefBranch)
|
|
.getIntPref("browser.startup.page") == 1)
|
|
getBrowserWindow().BrowserHome();
|
|
else
|
|
getBrowserWindow().getBrowser().loadURI("about:blank");
|
|
}
|
|
|
|
function onListClick(aEvent) {
|
|
// don't react to right-clicks
|
|
if (aEvent.button == 2)
|
|
return;
|
|
|
|
var row = {}, col = {};
|
|
treeView.treeBox.getCellAt(aEvent.clientX, aEvent.clientY, row, col, {});
|
|
if (col.value) {
|
|
// restore this specific tab in the same window for middle-clicking
|
|
// or Ctrl+clicking on a tab's title
|
|
if ((aEvent.button == 1 || aEvent.ctrlKey) && col.value.id == "title" &&
|
|
!treeView.isContainer(row.value))
|
|
restoreSingleTab(row.value, aEvent.shiftKey);
|
|
else if (col.value.id == "restore")
|
|
toggleRowChecked(row.value);
|
|
}
|
|
}
|
|
|
|
function onListKeyDown(aEvent) {
|
|
switch (aEvent.keyCode)
|
|
{
|
|
case KeyEvent.DOM_VK_SPACE:
|
|
toggleRowChecked(document.getElementById("tabList").currentIndex);
|
|
break;
|
|
case KeyEvent.DOM_VK_RETURN:
|
|
var ix = document.getElementById("tabList").currentIndex;
|
|
if (aEvent.ctrlKey && !treeView.isContainer(ix))
|
|
restoreSingleTab(ix, aEvent.shiftKey);
|
|
break;
|
|
case KeyEvent.DOM_VK_UP:
|
|
case KeyEvent.DOM_VK_DOWN:
|
|
case KeyEvent.DOM_VK_PAGE_UP:
|
|
case KeyEvent.DOM_VK_PAGE_DOWN:
|
|
case KeyEvent.DOM_VK_HOME:
|
|
case KeyEvent.DOM_VK_END:
|
|
aEvent.preventDefault(); // else the page scrolls unwantedly
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Helper functions
|
|
|
|
function getBrowserWindow() {
|
|
return window.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIWebNavigation)
|
|
.QueryInterface(Components.interfaces.nsIDocShellTreeItem).rootTreeItem
|
|
.QueryInterface(Components.interfaces.nsIInterfaceRequestor).getInterface(Components.interfaces.nsIDOMWindow);
|
|
}
|
|
|
|
function toggleRowChecked(aIx) {
|
|
var item = gTreeData[aIx];
|
|
item.checked = !item.checked;
|
|
treeView.treeBox.invalidateRow(aIx);
|
|
|
|
function isChecked(aItem) aItem.checked;
|
|
|
|
if (treeView.isContainer(aIx)) {
|
|
// (un)check all tabs of this window as well
|
|
for (var tab of item.tabs) {
|
|
tab.checked = item.checked;
|
|
treeView.treeBox.invalidateRow(gTreeData.indexOf(tab));
|
|
}
|
|
}
|
|
else {
|
|
// update the window's checkmark as well (0 means "partially checked")
|
|
item.parent.checked = item.parent.tabs.every(isChecked) ? true :
|
|
item.parent.tabs.some(isChecked) ? 0 : false;
|
|
treeView.treeBox.invalidateRow(gTreeData.indexOf(item.parent));
|
|
}
|
|
|
|
document.getElementById("errorTryAgain").disabled = !gTreeData.some(isChecked);
|
|
}
|
|
|
|
function restoreSingleTab(aIx, aShifted) {
|
|
var tabbrowser = getBrowserWindow().gBrowser;
|
|
var newTab = tabbrowser.addTab();
|
|
var item = gTreeData[aIx];
|
|
|
|
var ss = Components.classes["@mozilla.org/suite/sessionstore;1"].getService(Components.interfaces.nsISessionStore);
|
|
var tabState = gStateObject.windows[item.parent.ix]
|
|
.tabs[aIx - gTreeData.indexOf(item.parent) - 1];
|
|
ss.setTabState(newTab, JSON.stringify(tabState));
|
|
|
|
// respect the preference as to whether to select the tab (the Shift key inverses)
|
|
var prefBranch = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
|
|
if (prefBranch.getBoolPref("browser.tabs.loadInBackground") != !aShifted)
|
|
tabbrowser.selectedTab = newTab;
|
|
}
|
|
|
|
// Tree controller
|
|
|
|
var treeView = {
|
|
treeBox: null,
|
|
selection: null,
|
|
|
|
get rowCount() { return gTreeData.length; },
|
|
setTree: function(treeBox) { this.treeBox = treeBox; },
|
|
getCellText: function(idx, column) { return gTreeData[idx].label; },
|
|
isContainer: function(idx) { return "open" in gTreeData[idx]; },
|
|
getCellValue: function(idx, column){ return gTreeData[idx].checked; },
|
|
isContainerOpen: function(idx) { return gTreeData[idx].open; },
|
|
isContainerEmpty: function(idx) { return false; },
|
|
isSeparator: function(idx) { return false; },
|
|
isSorted: function() { return false; },
|
|
isEditable: function(idx, column) { return false; },
|
|
canDrop: function(idx, orientation, dt) { return false; },
|
|
getLevel: function(idx) { return this.isContainer(idx) ? 0 : 1; },
|
|
|
|
getParentIndex: function(idx) {
|
|
if (!this.isContainer(idx))
|
|
for (var t = idx - 1; t >= 0 ; t--)
|
|
if (this.isContainer(t))
|
|
return t;
|
|
return -1;
|
|
},
|
|
|
|
hasNextSibling: function(idx, after) {
|
|
var thisLevel = this.getLevel(idx);
|
|
for (var t = after + 1; t < gTreeData.length; t++)
|
|
if (this.getLevel(t) <= thisLevel)
|
|
return this.getLevel(t) == thisLevel;
|
|
return false;
|
|
},
|
|
|
|
toggleOpenState: function(idx) {
|
|
if (!this.isContainer(idx))
|
|
return;
|
|
var item = gTreeData[idx];
|
|
if (item.open) {
|
|
// remove this window's tab rows from the view
|
|
var thisLevel = this.getLevel(idx);
|
|
for (var t = idx + 1; t < gTreeData.length && this.getLevel(t) > thisLevel; t++);
|
|
var deletecount = t - idx - 1;
|
|
gTreeData.splice(idx + 1, deletecount);
|
|
this.treeBox.rowCountChanged(idx + 1, -deletecount);
|
|
}
|
|
else {
|
|
// add this window's tab rows to the view
|
|
var toinsert = gTreeData[idx].tabs;
|
|
for (var i = 0; i < toinsert.length; i++)
|
|
gTreeData.splice(idx + i + 1, 0, toinsert[i]);
|
|
this.treeBox.rowCountChanged(idx + 1, toinsert.length);
|
|
}
|
|
item.open = !item.open;
|
|
this.treeBox.invalidateRow(idx);
|
|
},
|
|
|
|
getCellProperties: function(idx, column) {
|
|
if (column.id == "restore" && this.isContainer(idx) && gTreeData[idx].checked === 0)
|
|
return "partial";
|
|
if (column.id == "title")
|
|
return this.getImageSrc(idx, column) ? "icon" : "noicon";
|
|
return "";
|
|
},
|
|
|
|
getRowProperties: function(idx) {
|
|
var winState = gTreeData[idx].parent || gTreeData[idx];
|
|
return winState.ix % 2 != 0 ? "alternate" : "";
|
|
},
|
|
|
|
getImageSrc: function(idx, column) {
|
|
if (column.id == "title")
|
|
return gTreeData[idx].src || null;
|
|
return null;
|
|
},
|
|
|
|
getProgressMode : function(idx, column) { },
|
|
cycleHeader: function(column) { },
|
|
cycleCell: function(idx, column) { },
|
|
selectionChanged: function() { },
|
|
performAction: function(action) { },
|
|
performActionOnCell: function(action, index, column) { },
|
|
getColumnProperties: function(column) { return ""; }
|
|
};
|