| /* |
| * Copyright (C) 2014 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.tv.settings.connectivity; |
| |
| import android.app.Fragment; |
| import android.app.FragmentManager; |
| import android.app.FragmentTransaction; |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.text.TextUtils; |
| import android.util.Log; |
| |
| import com.android.tv.settings.connectivity.setup.MessageWizardFragment; |
| import com.android.tv.settings.connectivity.setup.PasswordInputWizardFragment; |
| import com.android.tv.settings.connectivity.setup.SelectFromListWizardFragment; |
| import com.android.tv.settings.connectivity.setup.SelectFromListWizardFragment.ListItem; |
| import com.android.tv.settings.connectivity.setup.TextInputWizardFragment; |
| import com.android.tv.settings.form.FormPage; |
| import com.android.tv.settings.form.FormPageResultListener; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * Displays form pages. |
| */ |
| public class FormPageDisplayer |
| implements TextInputWizardFragment.Listener, SelectFromListWizardFragment.Listener, |
| PasswordInputWizardFragment.Listener { |
| |
| public static final int DISPLAY_TYPE_TEXT_INPUT = 1; |
| public static final int DISPLAY_TYPE_LIST_CHOICE = 2; |
| public static final int DISPLAY_TYPE_LOADING = 3; |
| // Minimum 5 characters for WEP, 8 characters for PSK |
| public static final int DISPLAY_TYPE_PSK_INPUT = 4; |
| |
| private static final int WEP_MIN_LENGTH = 5; |
| public static final int PSK_MIN_LENGTH = 8; |
| |
| public interface FormPageInfo { |
| /** |
| * @return the resource id of the title for this page. |
| */ |
| int getTitleResourceId(); |
| |
| /** |
| * @return the resource id of the description for this page. 0 if no description. |
| */ |
| int getDescriptionResourceId(); |
| |
| /** |
| * @return the input type for the editable text field for this page. |
| */ |
| int getInputType(); |
| |
| /** |
| * @return the way this form page should be displayed. |
| */ |
| int getDisplayType(); |
| |
| /** |
| * @return the default value for this input |
| */ |
| int getDefaultPrefillResourceId(); |
| |
| /** |
| * @return the set of choices for this form page. |
| */ |
| ArrayList<SelectFromListWizardFragment.ListItem> getChoices(Context context, |
| ArrayList<SelectFromListWizardFragment.ListItem> extraChoices); |
| } |
| |
| public interface UserActivityListener { |
| void onUserActivity(); |
| } |
| |
| private static final String TAG = "FormPageDisplayer"; |
| private static final boolean DEBUG = false; |
| private static final String RESULT_LIST_ITEM = "result_list_item"; |
| |
| private final Context mContext; |
| private final FragmentManager mFragmentManager; |
| private TextInputWizardFragment.Listener mTextInputWizardFragmentListener; |
| private PasswordInputWizardFragment.Listener mPasswordInputWizardFragmentListener; |
| private SelectFromListWizardFragment.Listener mSelectFromListWizardFragmentListener; |
| private final int mContentViewId; |
| |
| public FormPageDisplayer(Context context, FragmentManager fragmentManager, int contentViewId) { |
| mContext = context; |
| mFragmentManager = fragmentManager; |
| mContentViewId = contentViewId; |
| } |
| |
| @Override |
| public boolean onTextInputComplete(String text) { |
| if (mTextInputWizardFragmentListener != null) { |
| return mTextInputWizardFragmentListener.onTextInputComplete(text); |
| } |
| return true; |
| } |
| |
| @Override |
| public boolean onPasswordInputComplete(String text, boolean obfuscate) { |
| if (mPasswordInputWizardFragmentListener != null) { |
| return mPasswordInputWizardFragmentListener.onPasswordInputComplete(text, obfuscate); |
| } |
| return true; |
| } |
| |
| @Override |
| public void onListSelectionComplete(ListItem listItem) { |
| if (mSelectFromListWizardFragmentListener != null) { |
| mSelectFromListWizardFragmentListener.onListSelectionComplete(listItem); |
| } |
| } |
| |
| @Override |
| public void onListFocusChanged(ListItem listItem) { |
| if (mSelectFromListWizardFragmentListener != null) { |
| mSelectFromListWizardFragmentListener.onListFocusChanged(listItem); |
| } |
| } |
| |
| public Fragment displayPage(FormPageInfo formPageInfo, String titleArgument, |
| String descriptionArgument, |
| ArrayList<SelectFromListWizardFragment.ListItem> extraChoices, |
| FormPage previousFormPage, UserActivityListener userActivityListener, |
| boolean showProgress, FormPage currentFormPage, |
| FormPageResultListener formPageResultListener, boolean forward, boolean emptyAllowed) { |
| if (DEBUG) { |
| Log.d(TAG, "Displaying: " + currentFormPage.getTitle()); |
| } |
| switch (formPageInfo.getDisplayType()) { |
| case DISPLAY_TYPE_LIST_CHOICE: |
| return displayList(formPageInfo, titleArgument, descriptionArgument, extraChoices, |
| currentFormPage, formPageResultListener, previousFormPage, |
| userActivityListener, forward); |
| |
| case DISPLAY_TYPE_TEXT_INPUT: |
| return displayTextInput(formPageInfo, titleArgument, descriptionArgument, |
| currentFormPage, formPageResultListener, previousFormPage, forward, |
| emptyAllowed); |
| |
| case DISPLAY_TYPE_PSK_INPUT: |
| return displayPskInput(formPageInfo, titleArgument, descriptionArgument, |
| currentFormPage, formPageResultListener, previousFormPage, forward); |
| |
| case DISPLAY_TYPE_LOADING: |
| return displayLoading(formPageInfo, titleArgument, showProgress, forward); |
| |
| default: |
| return null; |
| } |
| } |
| |
| public ListItem getListItem(FormPage formPage) { |
| return formPage.getData().getParcelable(RESULT_LIST_ITEM); |
| } |
| |
| public void displayFragment(Fragment fragment, boolean forward) { |
| FragmentTransaction transaction = mFragmentManager.beginTransaction(); |
| if (forward) { |
| transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_OPEN); |
| } else { |
| transaction.setTransition(FragmentTransaction.TRANSIT_FRAGMENT_CLOSE); |
| } |
| transaction.replace(mContentViewId, fragment).commit(); |
| } |
| |
| private Fragment displayList(final FormPageInfo formPageInfo, String titleArgument, |
| String descriptionArgument, |
| ArrayList<SelectFromListWizardFragment.ListItem> extraChoices, final FormPage formPage, |
| final FormPageResultListener formPageResultListener, FormPage lastPage, |
| final UserActivityListener userActivityListener, boolean forward) { |
| Fragment fragment = SelectFromListWizardFragment.newInstance( |
| getTitle(formPageInfo, titleArgument), |
| getDescription(formPageInfo, descriptionArgument), |
| formPageInfo.getChoices(mContext, extraChoices), lastPage == null ? null |
| : (ListItem) lastPage.getData().getParcelable(RESULT_LIST_ITEM)); |
| displayFragment(fragment, forward); |
| mSelectFromListWizardFragmentListener = new SelectFromListWizardFragment.Listener() { |
| @Override |
| public void onListSelectionComplete(ListItem selection) { |
| Bundle result = new Bundle(); |
| result.putParcelable(RESULT_LIST_ITEM, selection); |
| result.putString(FormPage.DATA_KEY_SUMMARY_STRING, selection.getName()); |
| formPageResultListener.onBundlePageResult(formPage, result); |
| } |
| |
| @Override |
| public void onListFocusChanged(ListItem listItem) { |
| if (userActivityListener != null) { |
| userActivityListener.onUserActivity(); |
| } |
| } |
| }; |
| return fragment; |
| } |
| |
| private Fragment displayTextInput(FormPageInfo formPageInfo, String titleArgument, |
| String descriptionArgument, final FormPage formPage, |
| final FormPageResultListener listener, FormPage lastPage, boolean forward, |
| final boolean emptyAllowed) { |
| final String prefill = lastPage != null && !TextUtils.isEmpty(lastPage.getDataSummary()) |
| ? lastPage.getDataSummary() : getDefaultPrefill(formPageInfo); |
| Fragment fragment = TextInputWizardFragment.newInstance( |
| getTitle(formPageInfo, titleArgument), |
| getDescription(formPageInfo, descriptionArgument), |
| formPageInfo.getInputType(), |
| prefill); |
| displayFragment(fragment, forward); |
| |
| mTextInputWizardFragmentListener = new TextInputWizardFragment.Listener() { |
| @Override |
| public boolean onTextInputComplete(String text) { |
| if (!TextUtils.isEmpty(text) || emptyAllowed) { |
| Bundle result = new Bundle(); |
| result.putString(FormPage.DATA_KEY_SUMMARY_STRING, text); |
| listener.onBundlePageResult(formPage, result); |
| return true; |
| } |
| return false; |
| } |
| }; |
| return fragment; |
| } |
| |
| private Fragment displayPskInput(FormPageInfo formPageInfo, String titleArgument, |
| String descriptionArgument, final FormPage formPage, |
| final FormPageResultListener listener, FormPage lastPage, boolean forward) { |
| boolean obfuscate = lastPage != null |
| ? TextUtils.equals( |
| lastPage.getDataSecondary(), PasswordInputWizardFragment.OPTION_OBFUSCATE) |
| : false; |
| Fragment fragment = |
| PasswordInputWizardFragment.newInstance(getTitle(formPageInfo, titleArgument), |
| getDescription(formPageInfo, descriptionArgument), |
| lastPage == null ? null : lastPage.getDataSummary(), obfuscate); |
| displayFragment(fragment, forward); |
| |
| mPasswordInputWizardFragmentListener = new PasswordInputWizardFragment.Listener() { |
| @Override |
| public boolean onPasswordInputComplete(String text, boolean obfuscate) { |
| if (!TextUtils.isEmpty(text) && text.length() >= WEP_MIN_LENGTH) { |
| Bundle result = new Bundle(); |
| result.putString(FormPage.DATA_KEY_SUMMARY_STRING, text); |
| if (obfuscate) { |
| result.putString(FormPage.DATA_KEY_SECONDARY_STRING, |
| PasswordInputWizardFragment.OPTION_OBFUSCATE); |
| } |
| listener.onBundlePageResult(formPage, result); |
| return true; |
| } |
| return false; |
| } |
| }; |
| return fragment; |
| } |
| |
| private Fragment displayLoading(FormPageInfo formPageInfo, String argument, |
| boolean showProgress, boolean forward) { |
| Fragment fragment = MessageWizardFragment.newInstance( |
| getTitle(formPageInfo, argument), showProgress); |
| displayFragment(fragment, forward); |
| return fragment; |
| } |
| |
| private String getTitle(FormPageInfo formPageInfo, String argument) { |
| return mContext.getString(formPageInfo.getTitleResourceId(), argument); |
| } |
| |
| private String getDescription(FormPageInfo formPageInfo, String argument) { |
| int descriptionResourceId = formPageInfo.getDescriptionResourceId(); |
| return (descriptionResourceId != 0) ? mContext.getString(descriptionResourceId, argument) |
| : null; |
| } |
| |
| private String getDefaultPrefill(FormPageInfo formPageInfo) { |
| int defaultPrefillResourceId = formPageInfo.getDefaultPrefillResourceId(); |
| return (defaultPrefillResourceId != 0) |
| ? mContext.getString(defaultPrefillResourceId) : null; |
| } |
| } |