SetupWizard: Initial commit

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

@@ -0,0 +1,148 @@
+/*
+ * 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.app.Fragment;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.os.Bundle;
+import android.os.Handler;
+import android.widget.ArrayAdapter;
+import android.widget.NumberPicker;
+
+import com.cyanogenmod.setupwizard.R;
+import com.cyanogenmod.setupwizard.ui.LocalePicker;
+import com.cyanogenmod.setupwizard.ui.SetupPageFragment;
+
+import java.util.Locale;
+
+public class WelcomePage extends SetupPage {
+
+    public static final String TAG = "WelcomePage";
+
+    public WelcomePage(Context context, SetupDataCallbacks callbacks) {
+        super(context, callbacks);
+    }
+
+    @Override
+    public Fragment getFragment() {
+        Bundle args = new Bundle();
+        args.putString(SetupPage.KEY_PAGE_ARGUMENT, getKey());
+
+        WelcomeFragment fragment = new WelcomeFragment();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public int getTitleResId() {
+        return R.string.setup_welcome;
+    }
+
+    @Override
+    public String getKey() {
+        return TAG;
+    }
+
+    @Override
+    public int getPrevButtonTitleResId() {
+        return R.string.emergency_call;
+    }
+
+    public static class WelcomeFragment extends SetupPageFragment {
+
+        private ArrayAdapter<com.android.internal.app.LocalePicker.LocaleInfo> mLocaleAdapter;
+        private Locale mInitialLocale;
+        private Locale mCurrentLocale;
+        private int[] mAdapterIndices;
+
+        private LocalePicker mLanguagePicker;
+
+        private final Handler mHandler = new Handler();
+
+        private final Runnable mUpdateLocale = new Runnable() {
+            public void run() {
+                if (mCurrentLocale != null) {
+                    com.android.internal.app.LocalePicker.updateLocale(mCurrentLocale);
+                }
+            }
+        };
+
+        @Override
+        protected void initializePage() {
+            mLanguagePicker = (LocalePicker) mRootView.findViewById(R.id.locale_list);
+            loadLanguages();
+        }
+
+        private void loadLanguages() {
+            mLocaleAdapter = com.android.internal.app.LocalePicker.constructAdapter(getActivity(), R.layout.locale_picker_item, R.id.locale);
+            mInitialLocale = Locale.getDefault();
+            mCurrentLocale = mInitialLocale;
+            mAdapterIndices = new int[mLocaleAdapter.getCount()];
+            int currentLocaleIndex = 0;
+            String [] labels = new String[mLocaleAdapter.getCount()];
+            for (int i=0; i<mAdapterIndices.length; i++) {
+                com.android.internal.app.LocalePicker.LocaleInfo localLocaleInfo = mLocaleAdapter.getItem(i);
+                Locale localLocale = localLocaleInfo.getLocale();
+                if (localLocale.equals(mCurrentLocale)) {
+                    currentLocaleIndex = i;
+                }
+                mAdapterIndices[i] = i;
+                labels[i] = localLocaleInfo.getLabel();
+            }
+            mLanguagePicker.setDisplayedValues(labels);
+            mLanguagePicker.setMaxValue(labels.length - 1);
+            mLanguagePicker.setValue(currentLocaleIndex);
+            mLanguagePicker.setDescendantFocusability(NumberPicker.FOCUS_BLOCK_DESCENDANTS);
+            mLanguagePicker.setOnValueChangedListener(new LocalePicker.OnValueChangeListener() {
+                public void onValueChange(LocalePicker picker, int oldVal, int newVal) {
+                    setLocaleFromPicker();
+                }
+            });
+        }
+
+        private void setLocaleFromPicker() {
+            int i = mAdapterIndices[mLanguagePicker.getValue()];
+            final com.android.internal.app.LocalePicker.LocaleInfo localLocaleInfo = mLocaleAdapter.getItem(i);
+            onLocaleChanged(localLocaleInfo.getLocale());
+        }
+
+        private void onLocaleChanged(Locale paramLocale) {
+            Resources localResources = getActivity().getResources();
+            Configuration localConfiguration1 = localResources.getConfiguration();
+            Configuration localConfiguration2 = new Configuration();
+            localConfiguration2.locale = paramLocale;
+            localResources.updateConfiguration(localConfiguration2, null);
+            localResources.updateConfiguration(localConfiguration1, null);
+            mHandler.removeCallbacks(mUpdateLocale);
+            mCurrentLocale = paramLocale;
+            mHandler.postDelayed(mUpdateLocale, 1000);
+        }
+
+        @Override
+        protected int getLayoutResource() {
+            return R.layout.setup_welcome_page;
+        }
+
+        @Override
+        protected int getHeaderLayoutResource() {
+            return R.layout.logo_header;
+        }
+    }
+
+}