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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);
+ }
+ }
+};