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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 package org.chromium.chrome.browser.hosted; |
| 6 |
| 7 import android.view.Menu; |
| 8 import android.view.MenuItem; |
| 9 |
| 10 import com.google.android.apps.chrome.R; |
| 11 |
| 12 import org.chromium.chrome.browser.ChromeActivity; |
| 13 import org.chromium.chrome.browser.Tab; |
| 14 import org.chromium.chrome.browser.appmenu.ChromeAppMenuPropertiesDelegate; |
| 15 |
| 16 import java.util.HashMap; |
| 17 import java.util.List; |
| 18 import java.util.Map; |
| 19 |
| 20 /** |
| 21 * App menu properties delegate for {@link HostedActivity}. |
| 22 */ |
| 23 public class HostedAppMenuPropertiesDelegate extends ChromeAppMenuPropertiesDele
gate { |
| 24 private boolean mIsCustomEntryAdded; |
| 25 private List<String> mMenuEntries; |
| 26 private Map<MenuItem, Integer> mItemToIndexMap = new HashMap<MenuItem, Integ
er>(); |
| 27 /** |
| 28 * Creates an {@link HostedAppMenuPropertiesDelegate} instance. |
| 29 */ |
| 30 public HostedAppMenuPropertiesDelegate(ChromeActivity activity, |
| 31 List<String> menuEntries) { |
| 32 super(activity); |
| 33 mMenuEntries = menuEntries; |
| 34 } |
| 35 |
| 36 @Override |
| 37 public void prepareMenu(Menu menu) { |
| 38 Tab currentTab = mActivity.getActivityTab(); |
| 39 if (currentTab != null) { |
| 40 MenuItem forwardMenuItem = menu.findItem(R.id.forward_menu_id); |
| 41 forwardMenuItem.setEnabled(currentTab.canGoForward()); |
| 42 |
| 43 mReloadMenuItem = menu.findItem(R.id.reload_menu_id); |
| 44 mReloadMenuItem.setIcon(R.drawable.btn_reload_stop); |
| 45 // Update the loading state of mReloadMenuItem. |
| 46 if (currentTab.isLoading()) loadingStateChanged(true); |
| 47 |
| 48 // Add custom menu items. Make sure they are only added once. |
| 49 if (!mIsCustomEntryAdded) { |
| 50 mIsCustomEntryAdded = true; |
| 51 for (int i = 0; i < mMenuEntries.size(); i++) { |
| 52 MenuItem item = menu.add(0, 0, 1, mMenuEntries.get(i)); |
| 53 mItemToIndexMap.put(item, i); |
| 54 } |
| 55 } |
| 56 } |
| 57 } |
| 58 |
| 59 /** |
| 60 * @return The index that the given menu item should appear in the result of |
| 61 * {@link HostedIntentDataProvider#getMenuTitles()}. Returns -1 if i
tem not found. |
| 62 */ |
| 63 public int getIndexOfMenuItem(MenuItem menuItem) { |
| 64 if (!mItemToIndexMap.containsKey(menuItem)) { |
| 65 return -1; |
| 66 } |
| 67 return mItemToIndexMap.get(menuItem).intValue(); |
| 68 } |
| 69 } |
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