The Tor Browser / file comparison
comparison: mobile/android/base/home/HomeAdapter.java
mobile/android/base/home/HomeAdapter.java
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:76b326bec459 |
|---|---|
| 1 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*- | |
| 2 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 package org.mozilla.gecko.home; | |
| 7 | |
| 8 import org.mozilla.gecko.home.HomeConfig.PanelConfig; | |
| 9 import org.mozilla.gecko.home.HomeConfig.PanelType; | |
| 10 import org.mozilla.gecko.home.HomePager; | |
| 11 | |
| 12 import android.content.Context; | |
| 13 import android.os.Bundle; | |
| 14 import android.support.v4.app.Fragment; | |
| 15 import android.support.v4.app.FragmentManager; | |
| 16 import android.support.v4.app.FragmentStatePagerAdapter; | |
| 17 import android.view.ViewGroup; | |
| 18 | |
| 19 import java.util.ArrayList; | |
| 20 import java.util.HashMap; | |
| 21 import java.util.List; | |
| 22 | |
| 23 class HomeAdapter extends FragmentStatePagerAdapter { | |
| 24 | |
| 25 private final Context mContext; | |
| 26 private final ArrayList<PanelInfo> mPanelInfos; | |
| 27 private final HashMap<String, Fragment> mPanels; | |
| 28 | |
| 29 private boolean mCanLoadHint; | |
| 30 | |
| 31 private OnAddPanelListener mAddPanelListener; | |
| 32 | |
| 33 interface OnAddPanelListener { | |
| 34 public void onAddPanel(String title); | |
| 35 } | |
| 36 | |
| 37 public HomeAdapter(Context context, FragmentManager fm) { | |
| 38 super(fm); | |
| 39 | |
| 40 mContext = context; | |
| 41 mCanLoadHint = HomeFragment.DEFAULT_CAN_LOAD_HINT; | |
| 42 | |
| 43 mPanelInfos = new ArrayList<PanelInfo>(); | |
| 44 mPanels = new HashMap<String, Fragment>(); | |
| 45 } | |
| 46 | |
| 47 @Override | |
| 48 public int getCount() { | |
| 49 return mPanelInfos.size(); | |
| 50 } | |
| 51 | |
| 52 @Override | |
| 53 public Fragment getItem(int position) { | |
| 54 PanelInfo info = mPanelInfos.get(position); | |
| 55 return Fragment.instantiate(mContext, info.getClassName(), info.getArgs()); | |
| 56 } | |
| 57 | |
| 58 @Override | |
| 59 public CharSequence getPageTitle(int position) { | |
| 60 if (mPanelInfos.size() > 0) { | |
| 61 PanelInfo info = mPanelInfos.get(position); | |
| 62 return info.getTitle().toUpperCase(); | |
| 63 } | |
| 64 | |
| 65 return null; | |
| 66 } | |
| 67 | |
| 68 @Override | |
| 69 public Object instantiateItem(ViewGroup container, int position) { | |
| 70 Fragment fragment = (Fragment) super.instantiateItem(container, position); | |
| 71 mPanels.put(mPanelInfos.get(position).getId(), fragment); | |
| 72 | |
| 73 return fragment; | |
| 74 } | |
| 75 | |
| 76 @Override | |
| 77 public void destroyItem(ViewGroup container, int position, Object object) { | |
| 78 super.destroyItem(container, position, object); | |
| 79 mPanels.remove(mPanelInfos.get(position).getId()); | |
| 80 } | |
| 81 | |
| 82 public void setOnAddPanelListener(OnAddPanelListener listener) { | |
| 83 mAddPanelListener = listener; | |
| 84 } | |
| 85 | |
| 86 public int getItemPosition(String panelId) { | |
| 87 for (int i = 0; i < mPanelInfos.size(); i++) { | |
| 88 final String id = mPanelInfos.get(i).getId(); | |
| 89 if (id.equals(panelId)) { | |
| 90 return i; | |
| 91 } | |
| 92 } | |
| 93 | |
| 94 return -1; | |
| 95 } | |
| 96 | |
| 97 public String getPanelIdAtPosition(int position) { | |
| 98 // getPanelIdAtPosition() might be called before HomeAdapter | |
| 99 // has got its initial list of PanelConfigs. Just bail. | |
| 100 if (mPanelInfos.isEmpty()) { | |
| 101 return null; | |
| 102 } | |
| 103 | |
| 104 return mPanelInfos.get(position).getId(); | |
| 105 } | |
| 106 | |
| 107 private void addPanel(PanelInfo info) { | |
| 108 mPanelInfos.add(info); | |
| 109 | |
| 110 if (mAddPanelListener != null) { | |
| 111 mAddPanelListener.onAddPanel(info.getTitle()); | |
| 112 } | |
| 113 } | |
| 114 | |
| 115 public void update(List<PanelConfig> panelConfigs) { | |
| 116 mPanels.clear(); | |
| 117 mPanelInfos.clear(); | |
| 118 | |
| 119 if (panelConfigs != null) { | |
| 120 for (PanelConfig panelConfig : panelConfigs) { | |
| 121 final PanelInfo info = new PanelInfo(panelConfig); | |
| 122 addPanel(info); | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 notifyDataSetChanged(); | |
| 127 } | |
| 128 | |
| 129 public boolean getCanLoadHint() { | |
| 130 return mCanLoadHint; | |
| 131 } | |
| 132 | |
| 133 public void setCanLoadHint(boolean canLoadHint) { | |
| 134 // We cache the last hint value so that we can use it when | |
| 135 // creating new panels. See PanelInfo.getArgs(). | |
| 136 mCanLoadHint = canLoadHint; | |
| 137 | |
| 138 // Enable/disable loading on all existing panels | |
| 139 for (Fragment panelFragment : mPanels.values()) { | |
| 140 final HomeFragment panel = (HomeFragment) panelFragment; | |
| 141 panel.setCanLoadHint(canLoadHint); | |
| 142 } | |
| 143 } | |
| 144 | |
| 145 private final class PanelInfo { | |
| 146 private final PanelConfig mPanelConfig; | |
| 147 | |
| 148 PanelInfo(PanelConfig panelConfig) { | |
| 149 mPanelConfig = panelConfig; | |
| 150 } | |
| 151 | |
| 152 public String getId() { | |
| 153 return mPanelConfig.getId(); | |
| 154 } | |
| 155 | |
| 156 public String getTitle() { | |
| 157 return mPanelConfig.getTitle(); | |
| 158 } | |
| 159 | |
| 160 public String getClassName() { | |
| 161 final PanelType type = mPanelConfig.getType(); | |
| 162 return type.getPanelClass().getName(); | |
| 163 } | |
| 164 | |
| 165 public Bundle getArgs() { | |
| 166 final Bundle args = new Bundle(); | |
| 167 | |
| 168 args.putBoolean(HomePager.CAN_LOAD_ARG, mCanLoadHint); | |
| 169 | |
| 170 // Only DynamicPanels need the PanelConfig argument | |
| 171 if (mPanelConfig.isDynamic()) { | |
| 172 args.putParcelable(HomePager.PANEL_CONFIG_ARG, mPanelConfig); | |
| 173 } | |
| 174 | |
| 175 return args; | |
| 176 } | |
| 177 } | |
| 178 } |
