Andrew Zambazos
581 lines
23 KiB
JavaScript
581 lines
23 KiB
JavaScript
/*
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* Copyright (C) 2013, 2015 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.ContentBrowser = class ContentBrowser extends WI.View
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{
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constructor(element, delegate, {hideBackForwardButtons, disableBackForwardNavigation, disableFindBanner, flexibleNavigationItem, contentViewNavigationItemGroup} = {})
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{
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super(element);
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this.element.classList.add("content-browser");
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this._navigationBar = new WI.NavigationBar;
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this.addSubview(this._navigationBar);
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this._contentViewContainer = new WI.ContentViewContainer({disableBackForwardNavigation});
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this._contentViewContainer.addEventListener(WI.ContentViewContainer.Event.CurrentContentViewDidChange, this._currentContentViewDidChange, this);
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this.addSubview(this._contentViewContainer);
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if (!hideBackForwardButtons) {
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let isRTL = WI.resolvedLayoutDirection() === WI.LayoutDirection.RTL;
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let goBack = () => { this.goBack(); };
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let goForward = () => { this.goForward(); };
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let backShortcutKey = isRTL ? WI.KeyboardShortcut.Key.Right : WI.KeyboardShortcut.Key.Left;
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let forwardShortcutKey = isRTL ? WI.KeyboardShortcut.Key.Left : WI.KeyboardShortcut.Key.Right;
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this._backKeyboardShortcut = new WI.KeyboardShortcut(WI.KeyboardShortcut.Modifier.CommandOrControl | WI.KeyboardShortcut.Modifier.Control, backShortcutKey, goBack, this.element);
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this._forwardKeyboardShortcut = new WI.KeyboardShortcut(WI.KeyboardShortcut.Modifier.CommandOrControl | WI.KeyboardShortcut.Modifier.Control, forwardShortcutKey, goForward, this.element);
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let leftArrow = "Images/BackForwardArrows.svg#left-arrow-mask";
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let rightArrow = "Images/BackForwardArrows.svg#right-arrow-mask";
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let backButtonImage = isRTL ? rightArrow : leftArrow;
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let forwardButtonImage = isRTL ? leftArrow : rightArrow;
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this._backNavigationItem = new WI.ButtonNavigationItem("back", WI.UIString("Back (%s)").format(this._backKeyboardShortcut.displayName), backButtonImage, 8, 13);
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this._backNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, goBack, this);
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this._backNavigationItem.enabled = false;
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this._forwardNavigationItem = new WI.ButtonNavigationItem("forward", WI.UIString("Forward (%s)").format(this._forwardKeyboardShortcut.displayName), forwardButtonImage, 8, 13);
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this._forwardNavigationItem.addEventListener(WI.ButtonNavigationItem.Event.Clicked, goForward, this);
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this._forwardNavigationItem.enabled = false;
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let navigationButtonsGroup = new WI.GroupNavigationItem([this._backNavigationItem, this._forwardNavigationItem]);
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this._navigationBar.addNavigationItem(navigationButtonsGroup);
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}
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if (!disableFindBanner) {
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this._findBanner = new WI.FindBanner(this);
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this._findBanner.addEventListener(WI.FindBanner.Event.DidShow, this._findBannerDidShow, this);
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this._findBanner.addEventListener(WI.FindBanner.Event.DidHide, this._findBannerDidHide, this);
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}
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this._hierarchicalPathNavigationItem = new WI.HierarchicalPathNavigationItem;
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this._hierarchicalPathNavigationItem.addEventListener(WI.HierarchicalPathNavigationItem.Event.PathComponentWasSelected, this._hierarchicalPathComponentWasSelected, this);
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this._navigationBar.addNavigationItem(this._hierarchicalPathNavigationItem);
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this._contentViewSelectionPathNavigationItem = new WI.HierarchicalPathNavigationItem;
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this._flexibleNavigationItem = flexibleNavigationItem || new WI.FlexibleSpaceNavigationItem;
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this._navigationBar.addNavigationItem(this._flexibleNavigationItem);
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this._currentContentViewNavigationItemsGroup = contentViewNavigationItemGroup || null;
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WI.ContentView.addEventListener(WI.ContentView.Event.SelectionPathComponentsDidChange, this._contentViewSelectionPathComponentDidChange, this);
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WI.ContentView.addEventListener(WI.ContentView.Event.SupplementalRepresentedObjectsDidChange, this._contentViewSupplementalRepresentedObjectsDidChange, this);
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WI.ContentView.addEventListener(WI.ContentView.Event.NumberOfSearchResultsDidChange, this._contentViewNumberOfSearchResultsDidChange, this);
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WI.ContentView.addEventListener(WI.ContentView.Event.NavigationItemsDidChange, this._contentViewNavigationItemsDidChange, this);
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this._delegate = delegate || null;
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this._currentContentViewNavigationItems = [];
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this._dispatchCurrentRepresentedObjectsDidChangeDebouncer = new Debouncer(() => {
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this.dispatchEventToListeners(WI.ContentBrowser.Event.CurrentRepresentedObjectsDidChange);
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});
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}
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// Public
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get navigationBar()
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{
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return this._navigationBar;
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}
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get contentViewContainer()
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{
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return this._contentViewContainer;
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}
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get delegate()
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{
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return this._delegate;
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}
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set delegate(newDelegate)
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{
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this._delegate = newDelegate || null;
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}
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get currentContentView()
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{
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return this._contentViewContainer.currentContentView;
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}
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get currentRepresentedObjects()
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{
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var representedObjects = [];
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var lastComponent = this._hierarchicalPathNavigationItem.lastComponent;
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if (lastComponent && lastComponent.representedObject)
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representedObjects.push(lastComponent.representedObject);
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lastComponent = this._contentViewSelectionPathNavigationItem.lastComponent;
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if (lastComponent && lastComponent.representedObject)
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representedObjects.push(lastComponent.representedObject);
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var currentContentView = this.currentContentView;
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if (currentContentView) {
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var supplementalRepresentedObjects = currentContentView.supplementalRepresentedObjects;
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if (supplementalRepresentedObjects && supplementalRepresentedObjects.length)
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representedObjects.pushAll(supplementalRepresentedObjects);
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}
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return representedObjects;
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}
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showContentViewForRepresentedObject(representedObject, cookie, extraArguments)
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{
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var contentView = this.contentViewForRepresentedObject(representedObject, false, extraArguments);
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return this._contentViewContainer.showContentView(contentView, cookie);
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}
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showContentView(contentView, cookie)
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{
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return this._contentViewContainer.showContentView(contentView, cookie);
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}
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contentViewForRepresentedObject(representedObject, onlyExisting, extraArguments)
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{
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return this._contentViewContainer.contentViewForRepresentedObject(representedObject, onlyExisting, extraArguments);
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}
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updateHierarchicalPathForCurrentContentView()
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{
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var currentContentView = this.currentContentView;
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this._updateHierarchicalPathNavigationItem(currentContentView ? currentContentView.representedObject : null);
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}
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canGoBack()
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{
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var currentContentView = this.currentContentView;
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if (currentContentView && currentContentView.canGoBack())
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return true;
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return this._contentViewContainer.canGoBack();
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}
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canGoForward()
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{
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var currentContentView = this.currentContentView;
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if (currentContentView && currentContentView.canGoForward())
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return true;
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return this._contentViewContainer.canGoForward();
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}
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goBack()
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{
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var currentContentView = this.currentContentView;
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if (currentContentView && currentContentView.canGoBack()) {
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currentContentView.goBack();
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this._updateBackForwardButtons();
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return;
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}
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this._contentViewContainer.goBack();
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// The _updateBackForwardButtons function is called by _currentContentViewDidChange,
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// so it does not need to be called here.
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}
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goForward()
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{
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var currentContentView = this.currentContentView;
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if (currentContentView && currentContentView.canGoForward()) {
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currentContentView.goForward();
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this._updateBackForwardButtons();
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return;
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}
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this._contentViewContainer.goForward();
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// The _updateBackForwardButtons function is called by _currentContentViewDidChange,
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// so it does not need to be called here.
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}
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showFindBanner()
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{
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if (!this._findBanner)
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return;
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var currentContentView = this.currentContentView;
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if (!currentContentView || !currentContentView.supportsSearch)
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return;
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if (currentContentView.supportsCustomFindBanner) {
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currentContentView.showCustomFindBanner();
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return;
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}
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this._findBanner.show();
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}
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attached()
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{
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super.attached();
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this._updateContentViewSelectionPathNavigationItem(this.currentContentView);
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this.updateHierarchicalPathForCurrentContentView();
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}
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// Global ContentBrowser KeyboardShortcut handlers
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handlePopulateFindShortcut()
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{
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let currentContentView = this.currentContentView;
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if (!currentContentView?.supportsSearch)
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return;
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if (!WI.updateFindString(currentContentView.searchQueryWithSelection()))
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return;
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this._findBanner.searchQuery = WI.findString;
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currentContentView.performSearch(this._findBanner.searchQuery);
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}
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async handleFindNextShortcut()
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{
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if (!this._findBanner.showing && this._findBanner.searchQuery !== WI.findString) {
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let searchQuery = WI.findString;
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this._findBanner.searchQuery = searchQuery;
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let currentContentView = this.currentContentView;
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if (currentContentView?.supportsSearch) {
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currentContentView.performSearch(this._findBanner.searchQuery);
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await currentContentView.awaitEvent(WI.ContentView.Event.NumberOfSearchResultsDidChange, this);
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if (this._findBanner.searchQuery !== searchQuery || this.currentContentView !== currentContentView)
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return;
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}
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}
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this.findBannerRevealNextResult(this._findBanner);
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}
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async handleFindPreviousShortcut()
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{
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if (!this._findBanner.showing && this._findBanner.searchQuery !== WI.findString) {
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let searchQuery = WI.findString;
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this._findBanner.searchQuery = searchQuery;
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let currentContentView = this.currentContentView;
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if (currentContentView?.supportsSearch) {
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currentContentView.performSearch(this._findBanner.searchQuery);
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await currentContentView.awaitEvent(WI.ContentView.Event.NumberOfSearchResultsDidChange, this);
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if (this._findBanner.searchQuery !== searchQuery || this.currentContentView !== currentContentView)
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return;
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}
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}
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this.findBannerRevealPreviousResult(this._findBanner);
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}
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// FindBanner delegate
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findBannerPerformSearch(findBanner, query)
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{
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let currentContentView = this.currentContentView;
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if (!currentContentView || !currentContentView.supportsSearch)
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return;
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currentContentView.performSearch(query);
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}
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findBannerSearchCleared(findBanner)
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{
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let currentContentView = this.currentContentView;
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if (!currentContentView || !currentContentView.supportsSearch)
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return;
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currentContentView.searchCleared();
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}
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findBannerRevealPreviousResult(findBanner)
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{
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let currentContentView = this.currentContentView;
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if (!currentContentView || !currentContentView.supportsSearch)
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return;
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currentContentView.revealPreviousSearchResult(!findBanner.showing);
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}
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findBannerRevealNextResult(findBanner)
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{
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let currentContentView = this.currentContentView;
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if (!currentContentView || !currentContentView.supportsSearch)
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return;
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currentContentView.revealNextSearchResult(!findBanner.showing);
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}
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// Private
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_findBannerDidShow(event)
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{
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var currentContentView = this.currentContentView;
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if (!currentContentView || !currentContentView.supportsSearch)
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return;
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currentContentView.automaticallyRevealFirstSearchResult = true;
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if (this._findBanner.searchQuery !== "")
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currentContentView.performSearch(this._findBanner.searchQuery);
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}
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_findBannerDidHide(event)
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{
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var currentContentView = this.currentContentView;
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if (!currentContentView || !currentContentView.supportsSearch)
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return;
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currentContentView.automaticallyRevealFirstSearchResult = false;
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currentContentView.searchHidden();
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}
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_contentViewNumberOfSearchResultsDidChange(event)
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{
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if (!this._findBanner)
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return;
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if (event.target !== this.currentContentView)
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return;
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this._findBanner.numberOfResults = this.currentContentView.numberOfSearchResults;
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}
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_updateHierarchicalPathNavigationItem(representedObject)
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{
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if (!this.delegate || typeof this.delegate.contentBrowserTreeElementForRepresentedObject !== "function")
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return;
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var treeElement = representedObject ? this.delegate.contentBrowserTreeElementForRepresentedObject(this, representedObject) : null;
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var pathComponents = [];
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while (treeElement && !treeElement.root) {
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var pathComponent = new WI.GeneralTreeElementPathComponent(treeElement);
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pathComponents.unshift(pathComponent);
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treeElement = treeElement.parent;
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}
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this._hierarchicalPathNavigationItem.components = pathComponents;
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}
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_updateContentViewSelectionPathNavigationItem(contentView)
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{
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var selectionPathComponents = contentView ? contentView.selectionPathComponents || [] : [];
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this._contentViewSelectionPathNavigationItem.components = selectionPathComponents;
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if (this._currentContentViewNavigationItemsGroup)
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return;
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if (!selectionPathComponents.length) {
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this._hierarchicalPathNavigationItem.alwaysShowLastPathComponentSeparator = false;
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this._navigationBar.removeNavigationItem(this._contentViewSelectionPathNavigationItem);
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return;
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}
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// Insert the _contentViewSelectionPathNavigationItem after the _hierarchicalPathNavigationItem, if needed.
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if (!this._navigationBar.navigationItems.includes(this._contentViewSelectionPathNavigationItem)) {
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var hierarchicalPathItemIndex = this._navigationBar.navigationItems.indexOf(this._hierarchicalPathNavigationItem);
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console.assert(hierarchicalPathItemIndex !== -1);
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this._navigationBar.insertNavigationItem(this._contentViewSelectionPathNavigationItem, hierarchicalPathItemIndex + 1);
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this._hierarchicalPathNavigationItem.alwaysShowLastPathComponentSeparator = true;
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}
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}
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_updateBackForwardButtons()
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{
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if (!this._backNavigationItem || !this._forwardNavigationItem)
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return;
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this._backNavigationItem.enabled = this.canGoBack();
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this._forwardNavigationItem.enabled = this.canGoForward();
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}
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_updateContentViewNavigationItems(forceUpdate)
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{
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let currentContentView = this.currentContentView;
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if (!currentContentView) {
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this._removeAllNavigationItems();
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this._currentContentViewNavigationItems = [];
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if (this._currentContentViewNavigationItemsGroup)
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this._currentContentViewNavigationItems.push(this._contentViewSelectionPathNavigationItem);
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return;
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}
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// If the ContentView is a tombstone within our ContentViewContainer, don't steal its navigationItems.
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// Only the owning ContentBrowser should have the navigationItems.
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if (currentContentView.parentContainer !== this._contentViewContainer)
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return;
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if (!forceUpdate) {
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let previousItems = this._currentContentViewNavigationItems.filter((item) => !(item instanceof WI.DividerNavigationItem));
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let isUnchanged = Array.shallowEqual(previousItems, currentContentView.navigationItems);
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if (isUnchanged)
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return;
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}
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this._removeAllNavigationItems();
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let navigationBar = this.navigationBar;
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let insertionIndex = navigationBar.navigationItems.indexOf(this._flexibleNavigationItem) + 1;
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console.assert(insertionIndex >= 0);
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// Keep track of items we'll be adding to the navigation bar.
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let newNavigationItems = [];
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let shouldInsert = !this._currentContentViewNavigationItemsGroup;
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// Go through each of the items of the new content view and add a divider before them.
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currentContentView.navigationItems.forEach(function(navigationItem, index) {
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if (shouldInsert)
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navigationBar.insertNavigationItem(navigationItem, insertionIndex++);
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newNavigationItems.push(navigationItem);
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});
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if (this._currentContentViewNavigationItemsGroup)
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this._currentContentViewNavigationItemsGroup.navigationItems = [this._contentViewSelectionPathNavigationItem].concat(newNavigationItems);
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// Remember the navigation items we inserted so we can remove them
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// for the next content view.
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this._currentContentViewNavigationItems = newNavigationItems;
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}
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_removeAllNavigationItems()
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{
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if (this._currentContentViewNavigationItemsGroup)
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this._currentContentViewNavigationItemsGroup.navigationItems = [];
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else {
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for (let navigationItem of this._currentContentViewNavigationItems) {
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if (navigationItem.parentNavigationBar)
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navigationItem.parentNavigationBar.removeNavigationItem(navigationItem);
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}
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}
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}
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_updateFindBanner(currentContentView)
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{
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if (!this._findBanner)
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return;
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if (!currentContentView) {
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this._findBanner.targetElement = null;
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this._findBanner.numberOfResults = null;
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return;
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}
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this._findBanner.targetElement = currentContentView.element;
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this._findBanner.numberOfResults = currentContentView.hasPerformedSearch ? currentContentView.numberOfSearchResults : null;
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if (currentContentView.supportsSearch && this._findBanner.searchQuery) {
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currentContentView.automaticallyRevealFirstSearchResult = this._findBanner.showing;
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currentContentView.performSearch(this._findBanner.searchQuery);
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}
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}
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_contentViewSelectionPathComponentDidChange(event)
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{
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if (event.target !== this.currentContentView)
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return;
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// If the ContentView is a tombstone within our ContentViewContainer, do nothing. Let the owning ContentBrowser react.
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if (event.target.parentContainer !== this._contentViewContainer)
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return;
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this._updateContentViewSelectionPathNavigationItem(event.target);
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this._updateBackForwardButtons();
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this._updateContentViewNavigationItems();
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this._navigationBar.needsLayout();
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this._dispatchCurrentRepresentedObjectsDidChangeDebouncer.delayForTime(0);
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}
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_contentViewSupplementalRepresentedObjectsDidChange(event)
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{
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if (event.target !== this.currentContentView)
|
|
return;
|
|
|
|
// If the ContentView is a tombstone within our ContentViewContainer, do nothing. Let the owning ContentBrowser react.
|
|
if (event.target.parentContainer !== this._contentViewContainer)
|
|
return;
|
|
|
|
this._dispatchCurrentRepresentedObjectsDidChangeDebouncer.delayForTime(0);
|
|
}
|
|
|
|
_currentContentViewDidChange(event)
|
|
{
|
|
var currentContentView = this.currentContentView;
|
|
|
|
this._updateHierarchicalPathNavigationItem(currentContentView ? currentContentView.representedObject : null);
|
|
this._updateContentViewSelectionPathNavigationItem(currentContentView);
|
|
this._updateBackForwardButtons();
|
|
|
|
this._updateContentViewNavigationItems();
|
|
this._updateFindBanner(currentContentView);
|
|
|
|
this._navigationBar.needsLayout();
|
|
|
|
this.dispatchEventToListeners(WI.ContentBrowser.Event.CurrentContentViewDidChange);
|
|
|
|
this._dispatchCurrentRepresentedObjectsDidChangeDebouncer.force();
|
|
}
|
|
|
|
_contentViewNavigationItemsDidChange(event)
|
|
{
|
|
if (event.target !== this.currentContentView)
|
|
return;
|
|
|
|
// If the ContentView is a tombstone within our ContentViewContainer, do nothing. Let the owning ContentBrowser react.
|
|
if (event.target.parentContainer !== this._contentViewContainer)
|
|
return;
|
|
|
|
const forceUpdate = true;
|
|
this._updateContentViewNavigationItems(forceUpdate);
|
|
this._navigationBar.needsLayout();
|
|
}
|
|
|
|
_hierarchicalPathComponentWasSelected(event)
|
|
{
|
|
console.assert(event.data.pathComponent instanceof WI.GeneralTreeElementPathComponent);
|
|
|
|
var treeElement = event.data.pathComponent.generalTreeElement;
|
|
var originalTreeElement = treeElement;
|
|
|
|
// Some tree elements (like folders) are not viewable. Find the first descendant that is viewable.
|
|
while (treeElement && !WI.ContentView.isViewable(treeElement.representedObject))
|
|
treeElement = treeElement.traverseNextTreeElement(false, originalTreeElement, false);
|
|
|
|
if (!treeElement)
|
|
return;
|
|
|
|
treeElement.revealAndSelect();
|
|
}
|
|
};
|
|
|
|
WI.ContentBrowser.Event = {
|
|
CurrentRepresentedObjectsDidChange: "content-browser-current-represented-objects-did-change",
|
|
CurrentContentViewDidChange: "content-browser-current-content-view-did-change"
|
|
};
|