The Tor Browser: mobile/android/base/home/HomeAdapter.java@b8a032363ba2 (annotated)

mobile/android/base/home/HomeAdapter.java@b8a032363ba2 (annotated)

mobile/android/base/home/HomeAdapter.java

Thu, 22 Jan 2015 13:21:57 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Thu, 22 Jan 2015 13:21:57 +0100
branch: TOR_BUG_9701
changeset 15: b8a032363ba2
permissions: -rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

 /* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
  * 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/. */
 package org.mozilla.gecko.home;
 import org.mozilla.gecko.home.HomeConfig.PanelConfig;
 import org.mozilla.gecko.home.HomeConfig.PanelType;
 import org.mozilla.gecko.home.HomePager;
 import android.content.Context;
 import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentStatePagerAdapter;
 import android.view.ViewGroup;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 class HomeAdapter extends FragmentStatePagerAdapter {
     private final Context mContext;
     private final ArrayList<PanelInfo> mPanelInfos;
     private final HashMap<String, Fragment> mPanels;
     private boolean mCanLoadHint;
     private OnAddPanelListener mAddPanelListener;
     interface OnAddPanelListener {
         public void onAddPanel(String title);
     }
     public HomeAdapter(Context context, FragmentManager fm) {
         super(fm);
         mContext = context;
         mCanLoadHint = HomeFragment.DEFAULT_CAN_LOAD_HINT;
         mPanelInfos = new ArrayList<PanelInfo>();
         mPanels = new HashMap<String, Fragment>();
     }
     @Override
     public int getCount() {
         return mPanelInfos.size();
     }
     @Override
     public Fragment getItem(int position) {
         PanelInfo info = mPanelInfos.get(position);
         return Fragment.instantiate(mContext, info.getClassName(), info.getArgs());
     }
     @Override
     public CharSequence getPageTitle(int position) {
         if (mPanelInfos.size() > 0) {
             PanelInfo info = mPanelInfos.get(position);
             return info.getTitle().toUpperCase();
         }
         return null;
     }
     @Override
     public Object instantiateItem(ViewGroup container, int position) {
         Fragment fragment = (Fragment) super.instantiateItem(container, position);
         mPanels.put(mPanelInfos.get(position).getId(), fragment);
         return fragment;
     }
     @Override
     public void destroyItem(ViewGroup container, int position, Object object) {
         super.destroyItem(container, position, object);
         mPanels.remove(mPanelInfos.get(position).getId());
     }
     public void setOnAddPanelListener(OnAddPanelListener listener) {
         mAddPanelListener = listener;
     }
     public int getItemPosition(String panelId) {
         for (int i = 0; i < mPanelInfos.size(); i++) {
             final String id = mPanelInfos.get(i).getId();
             if (id.equals(panelId)) {
                 return i;
             }
         }
         return -1;
     }
     public String getPanelIdAtPosition(int position) {
         // getPanelIdAtPosition() might be called before HomeAdapter
         // has got its initial list of PanelConfigs. Just bail.
         if (mPanelInfos.isEmpty()) {
             return null;
         }
         return mPanelInfos.get(position).getId();
     }
     private void addPanel(PanelInfo info) {
         mPanelInfos.add(info);
         if (mAddPanelListener != null) {
             mAddPanelListener.onAddPanel(info.getTitle());
         }
     }
     public void update(List<PanelConfig> panelConfigs) {
         mPanels.clear();
         mPanelInfos.clear();
         if (panelConfigs != null) {
             for (PanelConfig panelConfig : panelConfigs) {
                 final PanelInfo info = new PanelInfo(panelConfig);
                 addPanel(info);
             }
         }
         notifyDataSetChanged();
     }
     public boolean getCanLoadHint() {
         return mCanLoadHint;
     }
     public void setCanLoadHint(boolean canLoadHint) {
         // We cache the last hint value so that we can use it when
         // creating new panels. See PanelInfo.getArgs().
         mCanLoadHint = canLoadHint;
         // Enable/disable loading on all existing panels
         for (Fragment panelFragment : mPanels.values()) {
             final HomeFragment panel = (HomeFragment) panelFragment;
             panel.setCanLoadHint(canLoadHint);
         }
     }
     private final class PanelInfo {
         private final PanelConfig mPanelConfig;
         PanelInfo(PanelConfig panelConfig) {
             mPanelConfig = panelConfig;
         }
         public String getId() {
             return mPanelConfig.getId();
         }
         public String getTitle() {
             return mPanelConfig.getTitle();
         }
         public String getClassName() {
             final PanelType type = mPanelConfig.getType();
             return type.getPanelClass().getName();
         }
         public Bundle getArgs() {
             final Bundle args = new Bundle();
             args.putBoolean(HomePager.CAN_LOAD_ARG, mCanLoadHint);
             // Only DynamicPanels need the PanelConfig argument
             if (mPanelConfig.isDynamic()) {
                 args.putParcelable(HomePager.PANEL_CONFIG_ARG, mPanelConfig);
             }
             return args;
         }
     }
 }

The Tor Browser / annotate

mobile/android/base/home/HomeAdapter.java@b8a032363ba2 (annotated)

mobile/android/base/home/HomeAdapter.java