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 17 package com.android.camera.ui; 18 19 import com.android.camera.CameraSettings; 20 import com.android.camera.IconListPreference; 21 import com.android.camera.R; 22 23 import android.content.Context; 24 import android.util.Log; 25 import android.view.LayoutInflater; 26 import android.view.ViewGroup; 27 28 // An indicator button that represents one camera setting. Ex: flash. Pressing it opens a popup 29 // window. 30 public class IndicatorButton extends AbstractIndicatorButton 31 implements BasicSettingPopup.Listener, EffectSettingPopup.Listener{ 32 private final String TAG = "IndicatorButton"; 33 private IconListPreference mPreference; 34 // Scene mode can override the original preference value. 35 private String mOverrideValue; 36 private Listener mListener; 37 38 static public interface Listener { onSettingChanged()39 public void onSettingChanged(); 40 } 41 setSettingChangedListener(Listener listener)42 public void setSettingChangedListener(Listener listener) { 43 mListener = listener; 44 } 45 IndicatorButton(Context context, IconListPreference pref)46 public IndicatorButton(Context context, IconListPreference pref) { 47 super(context); 48 mPreference = pref; 49 reloadPreference(); 50 } 51 52 @Override reloadPreference()53 public void reloadPreference() { 54 int[] iconIds = mPreference.getLargeIconIds(); 55 if (iconIds != null) { 56 // Each entry has a corresponding icon. 57 int index; 58 if (mOverrideValue == null) { 59 index = mPreference.findIndexOfValue(mPreference.getValue()); 60 } else { 61 index = mPreference.findIndexOfValue(mOverrideValue); 62 if (index == -1) { 63 // Avoid the crash if camera driver has bugs. 64 Log.e(TAG, "Fail to find override value=" + mOverrideValue); 65 mPreference.print(); 66 return; 67 } 68 } 69 setImageResource(iconIds[index]); 70 } else { 71 // The preference only has a single icon to represent it. 72 setImageResource(mPreference.getSingleIcon()); 73 } 74 super.reloadPreference(); 75 } 76 getKey()77 public String getKey() { 78 return mPreference.getKey(); 79 } 80 81 @Override isOverridden()82 public boolean isOverridden() { 83 return mOverrideValue != null; 84 } 85 86 @Override overrideSettings(final String ... keyvalues)87 public void overrideSettings(final String ... keyvalues) { 88 mOverrideValue = null; 89 for (int i = 0; i < keyvalues.length; i += 2) { 90 String key = keyvalues[i]; 91 String value = keyvalues[i + 1]; 92 if (key.equals(getKey())) { 93 mOverrideValue = value; 94 setEnabled(value == null); 95 break; 96 } 97 } 98 reloadPreference(); 99 } 100 101 @Override initializePopup()102 protected void initializePopup() { 103 LayoutInflater inflater = (LayoutInflater) getContext().getSystemService( 104 Context.LAYOUT_INFLATER_SERVICE); 105 ViewGroup root = (ViewGroup) getRootView().findViewById(R.id.frame_layout); 106 107 AbstractSettingPopup popup; 108 if (CameraSettings.KEY_VIDEO_EFFECT.equals(getKey())) { 109 EffectSettingPopup effect = (EffectSettingPopup) inflater.inflate( 110 R.layout.effect_setting_popup, root, false); 111 effect.initialize(mPreference); 112 effect.setSettingChangedListener(this); 113 mPopup = effect; 114 } else { 115 BasicSettingPopup basic = (BasicSettingPopup) inflater.inflate( 116 R.layout.basic_setting_popup, root, false); 117 basic.initialize(mPreference); 118 basic.setSettingChangedListener(this); 119 mPopup = basic; 120 } 121 root.addView(mPopup); 122 } 123 124 @Override onSettingChanged()125 public void onSettingChanged() { 126 reloadPreference(); 127 // Dismiss later so the activated state can be updated before dismiss. 128 dismissPopupDelayed(); 129 if (mListener != null) { 130 mListener.onSettingChanged(); 131 } 132 } 133 } 134