1 /*
2  * Copyright (C) 2012 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 
17 package com.android.deskclock;
18 
19 import android.app.Activity;
20 import android.app.Fragment;
21 import android.os.Bundle;
22 import android.support.v4.widget.PopupMenuCompat;
23 import android.view.MenuItem;
24 import android.view.View;
25 import android.widget.ImageButton;
26 import android.widget.PopupMenu;
27 
28 public class DeskClockFragment extends Fragment {
29 
30     protected ImageButton mFab;
31     protected ImageButton mLeftButton;
32     protected ImageButton mRightButton;
33 
onPageChanged(int page)34     public void onPageChanged(int page) {
35         // Do nothing here , only in derived classes
36     }
37 
onFabClick(View view)38     public void onFabClick(View view){
39         // Do nothing here , only in derived classes
40     }
41 
42     @Override
onActivityCreated(Bundle savedInstanceState)43     public void onActivityCreated(Bundle savedInstanceState) {
44         super.onActivityCreated(savedInstanceState);
45         final Activity activity = getActivity();
46         if (activity instanceof DeskClock) {
47             final DeskClock deskClockActivity = (DeskClock) activity;
48             mFab = deskClockActivity.getFab();
49             mLeftButton = deskClockActivity.getLeftButton();
50             mRightButton = deskClockActivity.getRightButton();
51         }
52     }
53 
setFabAppearance()54     public void setFabAppearance() {
55         // Do nothing here , only in derived classes
56     }
57 
setLeftRightButtonAppearance()58     public void setLeftRightButtonAppearance() {
59         // Do nothing here , only in derived classes
60     }
61 
onLeftButtonClick(View view)62     public void onLeftButtonClick(View view) {
63         // Do nothing here , only in derived classes
64     }
65 
onRightButtonClick(View view)66     public void onRightButtonClick(View view) {
67         // Do nothing here , only in derived classes
68     }
69     /**
70      * Installs click and touch listeners on a fake overflow menu button.
71      *
72      * @param menuButton the fragment's fake overflow menu button
73      */
setupFakeOverflowMenuButton(View menuButton)74     public void setupFakeOverflowMenuButton(View menuButton) {
75         final PopupMenu fakeOverflow = new PopupMenu(menuButton.getContext(), menuButton) {
76             @Override
77             public void show() {
78                 getActivity().onPrepareOptionsMenu(getMenu());
79                 super.show();
80             }
81         };
82         fakeOverflow.inflate(R.menu.desk_clock_menu);
83         fakeOverflow.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener () {
84             @Override
85             public boolean onMenuItemClick(MenuItem item) {
86                 return getActivity().onOptionsItemSelected(item);
87             }
88         });
89 
90         menuButton.setOnTouchListener(PopupMenuCompat.getDragToOpenListener(fakeOverflow));
91         menuButton.setOnClickListener(new View.OnClickListener() {
92             @Override
93             public void onClick(View v) {
94                 fakeOverflow.show();
95             }
96         });
97     }
98 }
99