1 /* 2 * Copyright (C) 2013 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.app; 18 19 import android.content.Context; 20 import android.util.SparseArray; 21 22 import com.android.camera.debug.Log; 23 import com.android.camera.settings.Keys; 24 import com.android.camera.settings.SettingsManager; 25 import com.android.camera2.R; 26 27 import java.util.ArrayList; 28 import java.util.List; 29 30 /** 31 * A class which implements {@link com.android.camera.app.ModuleManager}. 32 */ 33 public class ModuleManagerImpl implements ModuleManager { 34 private static final Log.Tag TAG = new Log.Tag("ModuleManagerImpl"); 35 36 private final SparseArray<ModuleAgent> mRegisteredModuleAgents = new 37 SparseArray<ModuleAgent>(2); 38 private int mDefaultModuleId = MODULE_INDEX_NONE; 39 ModuleManagerImpl()40 public ModuleManagerImpl() { 41 } 42 43 @Override registerModule(ModuleAgent agent)44 public void registerModule(ModuleAgent agent) { 45 if (agent == null) { 46 throw new NullPointerException("Registering a null ModuleAgent."); 47 } 48 final int moduleId = agent.getModuleId(); 49 if (moduleId == MODULE_INDEX_NONE) { 50 throw new IllegalArgumentException( 51 "ModuleManager: The module ID can not be " + "MODULE_INDEX_NONE"); 52 } 53 if (mRegisteredModuleAgents.get(moduleId) != null) { 54 throw new IllegalArgumentException("Module ID is registered already:" + moduleId); 55 } 56 mRegisteredModuleAgents.put(moduleId, agent); 57 } 58 59 @Override unregisterModule(int moduleId)60 public boolean unregisterModule(int moduleId) { 61 if (mRegisteredModuleAgents.get(moduleId) == null) { 62 return false; 63 } 64 mRegisteredModuleAgents.delete(moduleId); 65 if (moduleId == mDefaultModuleId) { 66 mDefaultModuleId = -1; 67 } 68 return true; 69 } 70 71 @Override getRegisteredModuleAgents()72 public List<ModuleAgent> getRegisteredModuleAgents() { 73 List<ModuleAgent> agents = new ArrayList<ModuleAgent>(); 74 for (int i = 0; i < mRegisteredModuleAgents.size(); i++) { 75 agents.add(mRegisteredModuleAgents.valueAt(i)); 76 } 77 return agents; 78 } 79 80 @Override getSupportedModeIndexList()81 public List<Integer> getSupportedModeIndexList() { 82 List<Integer> modeIndexList = new ArrayList<Integer>(); 83 for (int i = 0; i < mRegisteredModuleAgents.size(); i++) { 84 modeIndexList.add(mRegisteredModuleAgents.keyAt(i)); 85 } 86 return modeIndexList; 87 } 88 89 @Override setDefaultModuleIndex(int moduleId)90 public boolean setDefaultModuleIndex(int moduleId) { 91 if (mRegisteredModuleAgents.get(moduleId) != null) { 92 mDefaultModuleId = moduleId; 93 return true; 94 } 95 return false; 96 } 97 98 @Override getDefaultModuleIndex()99 public int getDefaultModuleIndex() { 100 return mDefaultModuleId; 101 } 102 103 @Override getModuleAgent(int moduleId)104 public ModuleAgent getModuleAgent(int moduleId) { 105 ModuleAgent agent = mRegisteredModuleAgents.get(moduleId); 106 if (agent == null) { 107 return mRegisteredModuleAgents.get(mDefaultModuleId); 108 } 109 return agent; 110 } 111 112 @Override getQuickSwitchToModuleId(int moduleId, SettingsManager settingsManager, Context context)113 public int getQuickSwitchToModuleId(int moduleId, SettingsManager settingsManager, 114 Context context) { 115 final int photoModuleId = context.getResources().getInteger(R.integer.camera_mode_photo); 116 final int videoModuleId = context.getResources().getInteger(R.integer.camera_mode_video); 117 118 int quickSwitchTo = moduleId; 119 if (moduleId == photoModuleId 120 || moduleId == context.getResources().getInteger(R.integer.camera_mode_gcam)) { 121 // Quick switch from camera to video. 122 quickSwitchTo = videoModuleId; 123 } else if (moduleId == videoModuleId) { 124 // Quick switch from video to last used camera (i.e. simple camera or hdr+) 125 quickSwitchTo = settingsManager.getInteger( 126 SettingsManager.SCOPE_GLOBAL, Keys.KEY_CAMERA_MODULE_LAST_USED); 127 } 128 129 if (mRegisteredModuleAgents.get(quickSwitchTo) != null) { 130 return quickSwitchTo; 131 } else { 132 return moduleId; 133 } 134 } 135 136 } 137