1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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.libreoffice.impressremote.fragment;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.Bundle;
import android.os.IBinder;
import android.support.v4.content.LocalBroadcastManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.GridView;
import com.actionbarsherlock.app.SherlockFragment;
import org.libreoffice.impressremote.communication.SlideShow;
import org.libreoffice.impressremote.util.Intents;
import org.libreoffice.impressremote.R;
import org.libreoffice.impressremote.adapter.SlidesGridAdapter;
import org.libreoffice.impressremote.communication.CommunicationService;
public class SlidesGridFragment extends SherlockFragment implements ServiceConnection, AdapterView.OnItemClickListener {
private CommunicationService mCommunicationService;
private BroadcastReceiver mIntentsReceiver;
public static SlidesGridFragment newInstance() {
return new SlidesGridFragment();
}
@Override
public View onCreateView(LayoutInflater aInflater, ViewGroup aContainer, Bundle aSavedInstanceState) {
return aInflater.inflate(R.layout.fragment_slides_grid, aContainer, false);
}
@Override
public void onActivityCreated(Bundle aSavedInstanceState) {
super.onActivityCreated(aSavedInstanceState);
bindService();
}
private void bindService() {
Intent aServiceIntent = Intents.buildCommunicationServiceIntent(getActivity());
getActivity().bindService(aServiceIntent, this, Context.BIND_AUTO_CREATE);
}
@Override
public void onServiceConnected(ComponentName aComponentName, IBinder aBinder) {
CommunicationService.ServiceBinder aServiceBinder = (CommunicationService.ServiceBinder) aBinder;
mCommunicationService = aServiceBinder.getService();
setUpSlidesGrid();
}
private void setUpSlidesGrid() {
if (!isAdded()) {
return;
}
GridView aSlidesGrid = getSlidesGrid();
aSlidesGrid.setAdapter(buildSlidesAdapter());
aSlidesGrid.setOnItemClickListener(this);
}
private GridView getSlidesGrid() {
return (GridView) getView().findViewById(R.id.grid_slides);
}
private SlidesGridAdapter buildSlidesAdapter() {
SlideShow aSlideShow = mCommunicationService.getSlideShow();
return new SlidesGridAdapter(getActivity(), aSlideShow);
}
@Override
public void onItemClick(AdapterView<?> aAdapterView, View aView, int aPosition, long aId) {
mCommunicationService.getCommandsTransmitter().setCurrentSlide(aPosition);
}
@Override
public void onServiceDisconnected(ComponentName aComponentName) {
mCommunicationService = null;
}
@Override
public void onResume() {
super.onResume();
registerIntentsReceiver();
}
private void registerIntentsReceiver() {
mIntentsReceiver = new IntentsReceiver(this);
IntentFilter aIntentFilter = buildIntentsReceiverFilter();
getBroadcastManager().registerReceiver(mIntentsReceiver, aIntentFilter);
}
private static final class IntentsReceiver extends BroadcastReceiver {
private final SlidesGridFragment mSlidesGridFragment;
private IntentsReceiver(SlidesGridFragment aSlidesGridFragment) {
mSlidesGridFragment = aSlidesGridFragment;
}
@Override
public void onReceive(Context aContext, Intent aIntent) {
if (Intents.Actions.SLIDE_SHOW_RUNNING.equals(aIntent.getAction())) {
mSlidesGridFragment.refreshSlidesGrid();
return;
}
if (Intents.Actions.SLIDE_PREVIEW.equals(aIntent.getAction())) {
int aSlideIndex = aIntent.getIntExtra(Intents.Extras.SLIDE_INDEX, 0);
mSlidesGridFragment.refreshSlidePreview(aSlideIndex);
}
}
}
private IntentFilter buildIntentsReceiverFilter() {
IntentFilter aIntentFilter = new IntentFilter();
aIntentFilter.addAction(Intents.Actions.SLIDE_SHOW_RUNNING);
aIntentFilter.addAction(Intents.Actions.SLIDE_PREVIEW);
return aIntentFilter;
}
private LocalBroadcastManager getBroadcastManager() {
Context aContext = getActivity().getApplicationContext();
return LocalBroadcastManager.getInstance(aContext);
}
private void refreshSlidesGrid() {
getSlidesGrid().invalidateViews();
}
private void refreshSlidePreview(int aSlideIndex) {
GridView aSlidesGrid = getSlidesGrid();
View aSlideView = aSlidesGrid.getChildAt(aSlideIndex);
if (aSlideView == null) {
return;
}
aSlidesGrid.getAdapter().getView(aSlideIndex, aSlideView, aSlidesGrid);
}
@Override
public void onPause() {
super.onPause();
unregisterIntentsReceiver();
}
private void unregisterIntentsReceiver() {
try {
getBroadcastManager().unregisterReceiver(mIntentsReceiver);
} catch (IllegalArgumentException e) {
// Receiver not registered.
// Fixed in Honeycomb: Android’s issue #6191.
}
}
@Override
public void onDestroy() {
super.onDestroy();
unbindService();
}
private void unbindService() {
if (!isServiceBound()) {
return;
}
getActivity().unbindService(this);
}
private boolean isServiceBound() {
return mCommunicationService != null;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
