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/* 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/. */
Components.utils.import("resource://gre/modules/AppConstants.jsm");
var SidebarUtils = {
handleTreeClick: function SU_handleTreeClick(aTree, aEvent, aGutterSelect) {
// right-clicks are not handled here
if (aEvent.button == 2)
return;
var tbo = aTree.treeBoxObject;
var cell = tbo.getCellAt(aEvent.clientX, aEvent.clientY);
if (cell.row == -1 || cell.childElt == "twisty")
return;
var mouseInGutter = false;
if (aGutterSelect) {
var rect = tbo.getCoordsForCellItem(cell.row, cell.col, "image");
// getCoordsForCellItem returns the x coordinate in logical coordinates
// (i.e., starting from the left and right sides in LTR and RTL modes,
// respectively.) Therefore, we make sure to exclude the blank area
// before the tree item icon (that is, to the left or right of it in
// LTR and RTL modes, respectively) from the click target area.
var isRTL = window.getComputedStyle(aTree, null).direction == "rtl";
if (isRTL)
mouseInGutter = aEvent.clientX > rect.x;
else
mouseInGutter = aEvent.clientX < rect.x;
}
var metaKey = AppConstants.platform === "macosx" ? aEvent.metaKey
: aEvent.ctrlKey;
var modifKey = metaKey || aEvent.shiftKey;
var isContainer = tbo.view.isContainer(cell.row);
var openInTabs = isContainer &&
(aEvent.button == 1 ||
(aEvent.button == 0 && modifKey)) &&
PlacesUtils.hasChildURIs(tbo.view.nodeForTreeIndex(cell.row));
if (aEvent.button == 0 && isContainer && !openInTabs) {
tbo.view.toggleOpenState(cell.row);
return;
}
else if (!mouseInGutter && openInTabs &&
aEvent.originalTarget.localName == "treechildren") {
tbo.view.selection.select(cell.row);
PlacesUIUtils.openContainerNodeInTabs(aTree.selectedNode, aEvent, aTree);
}
else if (!mouseInGutter && !isContainer &&
aEvent.originalTarget.localName == "treechildren") {
// Clear all other selection since we're loading a link now. We must
// do this *before* attempting to load the link since openURL uses
// selection as an indication of which link to load.
tbo.view.selection.select(cell.row);
PlacesUIUtils.openNodeWithEvent(aTree.selectedNode, aEvent, aTree);
}
},
handleTreeKeyPress: function SU_handleTreeKeyPress(aEvent) {
// XXX Bug 627901: Post Fx4, this method should take a tree parameter.
let tree = aEvent.target;
let node = tree.selectedNode;
if (node) {
if (aEvent.keyCode == KeyEvent.DOM_VK_RETURN)
PlacesUIUtils.openNodeWithEvent(node, aEvent, tree);
}
},
/**
* The following function displays the URL of a node that is being
* hovered over.
*/
handleTreeMouseMove: function SU_handleTreeMouseMove(aEvent) {
if (aEvent.target.localName != "treechildren")
return;
var tree = aEvent.target.parentNode;
var tbo = tree.treeBoxObject;
var cell = tbo.getCellAt(aEvent.clientX, aEvent.clientY);
// cell.row is -1 when the mouse is hovering an empty area within the tree.
// To avoid showing a URL from a previously hovered node for a currently
// hovered non-url node, we must clear the moused-over URL in these cases.
if (cell.row != -1) {
var node = tree.view.nodeForTreeIndex(cell.row);
if (PlacesUtils.nodeIsURI(node))
this.setMouseoverURL(node.uri);
else
this.setMouseoverURL("");
}
else
this.setMouseoverURL("");
},
setMouseoverURL: function SU_setMouseoverURL(aURL) {
// When the browser window is closed with an open sidebar, the sidebar
// unload event happens after the browser's one. In this case
// top.XULBrowserWindow has been nullified already.
if (top.XULBrowserWindow) {
top.XULBrowserWindow.setOverLink(aURL, null);
}
}
};
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