SetupWizard: Initial commit

src/com/cyanogenmod/setupwizard/setup/AbstractSetupData.java

@@ -0,0 +1,155 @@
+/*
+ * Copyright (C) 2013 The CyanogenMod 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.cyanogenmod.setupwizard.setup;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+
+import java.util.ArrayList;
+
+public abstract class AbstractSetupData implements SetupDataCallbacks {
+
+    private static final String TAG = AbstractSetupData.class.getSimpleName();
+
+    protected Context mContext;
+    private ArrayList<SetupDataCallbacks> mListeners = new ArrayList<SetupDataCallbacks>();
+    private PageList mPageList;
+
+    private int mCurrentPageIndex = 0;
+
+    public AbstractSetupData(Context context) {
+        mContext = context;
+        mPageList = onNewPageList();
+    }
+
+    protected abstract PageList onNewPageList();
+
+    @Override
+    public void onPageLoaded(Page page) {
+        for (int i = 0; i < mListeners.size(); i++) {
+            mListeners.get(i).onPageLoaded(page);
+        }
+    }
+
+    @Override
+    public void onPageTreeChanged() {
+        for (int i = 0; i < mListeners.size(); i++) {
+            mListeners.get(i).onPageTreeChanged();
+        }
+    }
+
+    @Override
+    public void onFinish() {
+        for (int i = 0; i < mListeners.size(); i++) {
+            mListeners.get(i).onFinish();
+        }
+    }
+
+    @Override
+    public Page getPage(String key) {
+        return mPageList.getPage(key);
+    }
+
+    @Override
+    public Page getPage(int index) {
+        return mPageList.getPage(index);
+    }
+
+    public Page getCurrentPage() {
+        return mPageList.getPage(mCurrentPageIndex);
+    }
+
+    public boolean isFirstPage() {
+        return mCurrentPageIndex == 0;
+    }
+
+    public boolean isLastPage() {
+        return mCurrentPageIndex == mPageList.size() - 1;
+    }
+
+    @Override
+    public void onNextPage() {
+        if (getCurrentPage().doNextAction() == false) {
+            if (advanceToNextUncompleted()) {
+                for (int i = 0; i < mListeners.size(); i++) {
+                    mListeners.get(i).onNextPage();
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onPreviousPage() {
+        if (getCurrentPage().doPreviousAction() == false) {
+            if (advanceToPreviousUncompleted()) {
+                for (int i = 0; i < mListeners.size(); i++) {
+                    mListeners.get(i).onPreviousPage();
+                }
+            }
+        }
+    }
+
+    @Override
+    public void onPageViewCreated(LayoutInflater inflater, Bundle savedInstanceState,
+            int layoutResource) {}
+
+    private boolean advanceToNextUncompleted() {
+        while (mCurrentPageIndex < mPageList.size()) {
+            mCurrentPageIndex++;
+            if (!getCurrentPage().isCompleted()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    private boolean advanceToPreviousUncompleted() {
+        while (mCurrentPageIndex > 0) {
+            mCurrentPageIndex--;
+            if (!getCurrentPage().isCompleted()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
+    public void load(Bundle savedValues) {
+        for (String key : savedValues.keySet()) {
+            Page page = mPageList.getPage(key);
+            if (page != null) {
+                page.resetData(savedValues.getBundle(key));
+            }
+        }
+    }
+
+    public Bundle save() {
+        Bundle bundle = new Bundle();
+        for (Page page : mPageList.values()) {
+            bundle.putBundle(page.getKey(), page.getData());
+        }
+        return bundle;
+    }
+
+    public void registerListener(SetupDataCallbacks listener) {
+        mListeners.add(listener);
+    }
+
+    public void unregisterListener(SetupDataCallbacks listener) {
+        mListeners.remove(listener);
+    }
+}