ActionBarAdapter.java revision 3e076bb53d39eb3757b376a003c412e4f44b0e3d 
1/*
2 * Copyright (C) 2010 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.contacts.activities;
18
19import com.android.contacts.R;
20import com.android.contacts.list.ContactListFilterController;
21import com.android.contacts.list.ContactListFilterController.ContactListFilterListener;
22import com.android.contacts.list.ContactListFilterView;
23import com.android.contacts.list.ContactsRequest;
24
25import android.app.ActionBar;
26import android.app.ActionBar.LayoutParams;
27import android.app.ActionBar.OnNavigationListener;
28import android.content.Context;
29import android.os.Bundle;
30import android.text.TextUtils;
31import android.view.LayoutInflater;
32import android.view.View;
33import android.view.View.OnFocusChangeListener;
34import android.widget.SearchView;
35import android.widget.SearchView.OnCloseListener;
36import android.widget.SearchView.OnQueryChangeListener;
37import android.widget.TextView;
38
39/**
40 * Adapter for the action bar at the top of the Contacts activity.
41 */
42public class ActionBarAdapter implements OnQueryChangeListener, OnCloseListener,
43        ContactListFilterListener, OnFocusChangeListener {
44
45    public interface Listener {
46        void onAction();
47    }
48
49    private static final String EXTRA_KEY_SEARCH_MODE = "navBar.searchMode";
50    private static final String EXTRA_KEY_QUERY = "navBar.query";
51
52    private boolean mSearchMode;
53    private String mQueryString;
54
55    private View mNavigationBar;
56    private TextView mSearchLabel;
57    private SearchView mSearchView;
58
59    private final Context mContext;
60
61    private Listener mListener;
62    private ContactListFilterView mFilterView;
63    private ContactListFilterController mFilterController;
64
65    private boolean mEnabled;
66
67    public ActionBarAdapter(Context context) {
68        mContext = context;
69    }
70
71    public void onCreate(Bundle savedState, ContactsRequest request, ActionBar actionBar) {
72        mQueryString = null;
73        if (savedState != null) {
74            mSearchMode = savedState.getBoolean(EXTRA_KEY_SEARCH_MODE);
75            mQueryString = savedState.getString(EXTRA_KEY_QUERY);
76        } else {
77            mSearchMode = request.isSearchMode();
78            mQueryString = request.getQueryString();
79        }
80
81        actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM, ActionBar.DISPLAY_SHOW_CUSTOM);
82
83        mNavigationBar = LayoutInflater.from(mContext).inflate(R.layout.navigation_bar, null);
84        LayoutParams layoutParams = new LayoutParams(
85                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
86        actionBar.setCustomView(mNavigationBar, layoutParams);
87
88        mFilterView = (ContactListFilterView) mNavigationBar.findViewById(R.id.filter_view);
89        mSearchLabel = (TextView) mNavigationBar.findViewById(R.id.search_label);
90        mSearchView = (SearchView) mNavigationBar.findViewById(R.id.search_view);
91
92        mSearchView.setOnQueryChangeListener(this);
93        mSearchView.setOnCloseListener(this);
94        mSearchView.setOnQueryTextFocusChangeListener(this);
95        mSearchView.setQuery(mQueryString, false);
96        mSearchView.setQueryHint(mContext.getString(R.string.hint_findContacts));
97
98        update();
99    }
100
101    public void setEnabled(boolean enabled) {
102        mEnabled = enabled;
103        update();
104    }
105
106    public void setListener(Listener listener) {
107        mListener = listener;
108    }
109
110    public void setContactListFilterController(ContactListFilterController controller) {
111        mFilterController = controller;
112        mFilterController.setAnchor(mFilterView);
113        mFilterController.addListener(this);
114    }
115
116    @Override
117    public void onFocusChange(View v, boolean hasFocus) {
118        if (v != mSearchView) {
119            return;
120        }
121
122        // When we switch search mode on/off, the activity may need to change
123        // fragments, which may lead to focus temporarily leaving the search
124        // view or coming back to it, which could lead to an infinite loop.
125        // Postponing the change breaks that loop.
126        mNavigationBar.post(new Runnable() {
127
128            @Override
129            public void run() {
130                setSearchMode(mSearchView.hasFocus());
131            }
132        });
133    }
134
135    public boolean isSearchMode() {
136        return mSearchMode;
137    }
138
139    public void setSearchMode(boolean flag) {
140        if (mSearchMode != flag) {
141            mSearchMode = flag;
142            update();
143            if (mSearchMode) {
144                mSearchView.requestFocus();
145            } else {
146                mSearchView.setQuery(null, false);
147            }
148            if (mListener != null) {
149                mListener.onAction();
150            }
151        }
152    }
153
154    public String getQueryString() {
155        return mQueryString;
156    }
157
158    public void setQueryString(String query) {
159        mQueryString = query;
160        mSearchView.setQuery(query, false);
161    }
162
163    public void update() {
164        if (!mEnabled) {
165            mNavigationBar.setVisibility(View.GONE);
166        } else if (mSearchMode) {
167            mNavigationBar.setVisibility(View.VISIBLE);
168            mSearchLabel.setVisibility(View.VISIBLE);
169            mFilterView.setVisibility(View.GONE);
170            if (mFilterController != null) {
171                mFilterController.setEnabled(false);
172            }
173        } else {
174            mNavigationBar.setVisibility(View.VISIBLE);
175            mSearchLabel.setVisibility(View.GONE);
176            mFilterView.setVisibility(View.VISIBLE);
177            if (mFilterController != null){
178                mFilterController.setEnabled(true);
179                if (mFilterController.isLoaded()) {
180                    mFilterView.setContactListFilter(mFilterController.getFilter());
181                    mFilterView.setSingleAccount(mFilterController.getAccountCount() == 1);
182                    mFilterView.bindView(false);
183                }
184            }
185        }
186    }
187
188    @Override
189    public boolean onQueryTextChanged(String queryString) {
190        mQueryString = queryString;
191        if (!mSearchMode) {
192            if (!TextUtils.isEmpty(queryString)) {
193                setSearchMode(true);
194            }
195        } else if (mListener != null) {
196            mListener.onAction();
197        }
198
199        return true;
200    }
201
202    @Override
203    public boolean onSubmitQuery(String query) {
204        return true;
205    }
206
207    @Override
208    public boolean onClose() {
209        setSearchMode(false);
210        return false;
211    }
212
213    public void onSaveInstanceState(Bundle outState) {
214        outState.putBoolean(EXTRA_KEY_SEARCH_MODE, mSearchMode);
215        outState.putString(EXTRA_KEY_QUERY, mQueryString);
216    }
217
218    @Override
219    public void onContactListFiltersLoaded() {
220        update();
221    }
222
223    @Override
224    public void onContactListFilterChanged() {
225        update();
226    }
227
228    @Override
229    public void onContactListFilterCustomizationRequest() {
230    }
231}
232