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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.camera.ui;
import com.android.camera.CameraPreference.OnPreferenceChangedListener;
import com.android.camera.IconListPreference;
import com.android.camera.ListPreference;
import com.android.camera.PreferenceGroup;
import com.android.camera.CameraSettings;
import com.android.camera.R;
import android.content.Context;
import android.util.AttributeSet;
import android.view.View;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import java.util.ArrayList;
/**
* A view that contains camera setting indicators.
*/
public abstract class IndicatorControl extends RelativeLayout implements
IndicatorButton.Listener, OtherSettingsPopup.Listener, Rotatable {
private static final String TAG = "IndicatorControl";
public static final int MODE_CAMERA = 0;
public static final int MODE_VIDEO = 1;
private OnPreferenceChangedListener mListener;
protected OnIndicatorEventListener mOnIndicatorEventListener;
protected CameraPicker mCameraPicker;
private PreferenceGroup mPreferenceGroup;
private int mOrientation = 0;
protected int mCurrentMode = MODE_CAMERA;
ArrayList<AbstractIndicatorButton> mIndicators =
new ArrayList<AbstractIndicatorButton>();
public void setListener(OnPreferenceChangedListener listener) {
mListener = listener;
if (mCameraPicker != null) mCameraPicker.setListener(listener);
}
public IndicatorControl(Context context, AttributeSet attrs) {
super(context, attrs);
}
public void setOrientation(int orientation) {
mOrientation = orientation;
int count = getChildCount();
for (int i = 0 ; i < count ; ++i) {
View view = getChildAt(i);
if (view instanceof Rotatable) {
((Rotatable) view).setOrientation(orientation);
}
}
}
public void setOnIndicatorEventListener(OnIndicatorEventListener listener) {
mOnIndicatorEventListener = listener;
}
public void setPreferenceGroup(PreferenceGroup group) {
mPreferenceGroup = group;
// Preset the current mode from the title of preference group.
String title = group.getTitle();
if (title.equals(getContext().getString(
R.string.pref_camcorder_settings_category))) {
mCurrentMode = MODE_VIDEO;
}
}
protected void addControls(String[] keys, String[] otherSettingKeys) {
if (keys != null) {
for (int i = 0; i < keys.length; i++) {
IconListPreference pref =
(IconListPreference) mPreferenceGroup.findPreference(keys[i]);
if (pref != null) {
addIndicator(getContext(), pref);
}
}
}
// Add other settings indicator.
if (otherSettingKeys != null) {
addOtherSettingIndicator(getContext(),
R.drawable.ic_menu_overflow, otherSettingKeys);
}
}
protected void initializeCameraPicker() {
ListPreference pref = mPreferenceGroup.findPreference(
CameraSettings.KEY_CAMERA_ID);
if (pref == null) return;
mCameraPicker = new CameraPicker(getContext());
mCameraPicker.initialize(pref);
addView(mCameraPicker);
}
@Override
public boolean shouldDelayChildPressedState() {
// Return false so the pressed feedback of the back/front camera switch
// can be showed right away.
return false;
}
public IndicatorButton addIndicator(Context context, IconListPreference pref) {
IndicatorButton b = new IndicatorButton(context, pref);
b.setSettingChangedListener(this);
b.setContentDescription(pref.getTitle());
addView(b);
mIndicators.add(b);
return b;
}
public OtherSettingIndicatorButton addOtherSettingIndicator(Context context,
int resId, String[] keys) {
OtherSettingIndicatorButton b = new OtherSettingIndicatorButton(
context, resId, mPreferenceGroup, keys);
b.setSettingChangedListener(this);
b.setContentDescription(getResources().getString(
R.string.pref_camera_settings_category));
addView(b);
mIndicators.add(b);
return b;
}
@Override
public void onRestorePreferencesClicked() {
if (mListener != null) {
mListener.onRestorePreferencesClicked();
}
}
@Override
public void onSettingChanged() {
if (mListener != null) {
mListener.onSharedPreferenceChanged();
}
}
public boolean dismissSettingPopup() {
for (AbstractIndicatorButton v: mIndicators) {
if (v.dismissPopup()) {
invalidate();
return true;
}
}
return false;
}
public View getActiveSettingPopup() {
for (AbstractIndicatorButton v: mIndicators) {
View result = v.getPopupWindow();
if (result != null) return result;
}
return null;
}
// Scene mode may override other camera settings (ex: flash mode).
public void overrideSettings(final String ... keyvalues) {
if (keyvalues.length % 2 != 0) {
throw new IllegalArgumentException();
}
for (AbstractIndicatorButton b: mIndicators) {
b.overrideSettings(keyvalues);
}
}
public void reloadPreferences() {
mPreferenceGroup.reloadValue();
for (AbstractIndicatorButton b: mIndicators) {
b.reloadPreference();
}
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
final int count = getChildCount();
for (int i = 0; i < count; i++) {
View v = getChildAt(i);
// Zoom buttons and shutter button are controlled by the activity.
if (v instanceof AbstractIndicatorButton) {
v.setEnabled(enabled);
// Show or hide the indicator buttons during recording.
if (mCurrentMode == MODE_VIDEO) {
v.setVisibility(enabled ? View.VISIBLE : View.INVISIBLE);
}
}
}
if (mCameraPicker != null) {
mCameraPicker.setEnabled(enabled);
if (mCurrentMode == MODE_VIDEO) {
mCameraPicker.setVisibility(enabled ? View.VISIBLE : View.INVISIBLE);
}
}
}
}
|