Change the CBD dialog on Android to a PreferenceFragment

chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/ClearBrowsingDataDialogFragment.java

Index: chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/ClearBrowsingDataDialogFragment.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/ClearBrowsingDataDialogFragment.java b/chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/ClearBrowsingDataDialogFragment.java
deleted file mode 100644
index db814e177579224e59d5c75287a42953ea916b85..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/ClearBrowsingDataDialogFragment.java
+++ /dev/null
@@ -1,387 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.preferences.privacy;
-
-import android.app.Dialog;
-import android.app.DialogFragment;
-import android.app.ProgressDialog;
-import android.content.DialogInterface;
-import android.content.res.Resources;
-import android.os.Bundle;
-import android.support.v7.app.AlertDialog;
-import android.text.SpannableString;
-import android.text.TextPaint;
-import android.text.method.LinkMovementMethod;
-import android.text.style.ClickableSpan;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemClickListener;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.CheckedTextView;
-import android.widget.LinearLayout;
-import android.widget.TextView;
-
-import org.chromium.base.VisibleForTesting;
-import org.chromium.chrome.R;
-import org.chromium.chrome.browser.BrowsingDataType;
-import org.chromium.chrome.browser.preferences.PrefServiceBridge;
-import org.chromium.chrome.browser.preferences.Preferences;
-import org.chromium.chrome.browser.preferences.privacy.BrowsingDataCounterBridge.BrowsingDataCounterCallback;
-import org.chromium.chrome.browser.signin.AccountManagementFragment;
-import org.chromium.sync.signin.ChromeSigninController;
-import org.chromium.ui.text.SpanApplier;
-import org.chromium.ui.widget.Toast;
-
-import java.util.EnumSet;
-
-/**
- * Modal dialog with options for selection the type of browsing data
- * to clear (history, cookies), triggered from a preference.
- */
-public class ClearBrowsingDataDialogFragment extends DialogFragment
-        implements PrefServiceBridge.OnClearBrowsingDataListener, DialogInterface.OnClickListener {
-    /**
-     * Represents a single item in the dialog.
-     */
-    private static class Item implements BrowsingDataCounterCallback {
-        private final DialogOption mOption;
-        private String mTitle;
-        private String mCounterText;
-        private boolean mSelected;
-        private boolean mEnabled;
-        private ArrayAdapter<Item> mParentAdapter;
-        private BrowsingDataCounterBridge mCounter;
-
-        public Item(DialogOption option,
-                    String title,
-                    boolean selected,
-                    boolean enabled) {
-            super();
-            mOption = option;
-            mTitle = title;
-            mSelected = selected;
-            mEnabled = enabled;
-            mCounterText = "";
-            mParentAdapter = null;
-            mCounter = new BrowsingDataCounterBridge(this, mOption.getDataType());
-        }
-
-        public void destroy() {
-            mCounter.destroy();
-        }
-
-        public DialogOption getOption() {
-            return mOption;
-        }
-
-        @Override
-        public String toString() {
-            return mTitle;
-        }
-
-        public boolean isSelected() {
-            return mSelected;
-        }
-
-        public void toggle() {
-            mSelected = !mSelected;
-            PrefServiceBridge.getInstance().setBrowsingDataDeletionPreference(
-                    mOption.getDataType(), mSelected);
-
-            // Counter text is only shown with selected items.
-            if (!mSelected) mCounterText = "";
-        }
-
-        public boolean isEnabled() {
-            return mEnabled;
-        }
-
-        public String getCounterText() {
-            return mCounterText;
-        }
-
-        public void setParentAdapter(ArrayAdapter<Item> adapter) {
-            mParentAdapter = adapter;
-        }
-
-        @Override
-        public void onCounterFinished(String result) {
-            mCounterText = result;
-
-            if (mParentAdapter != null) mParentAdapter.notifyDataSetChanged();
-        }
-    }
-
-    private class ClearBrowsingDataAdapter extends ArrayAdapter<Item> {
-        private ClearBrowsingDataAdapter(Item[] items) {
-            super(getActivity(), R.layout.clear_browsing_data_dialog_item, R.id.title, items);
-            for (Item item : items) item.setParentAdapter(this);
-        }
-
-        @Override
-        public boolean hasStableIds() {
-            return true;
-        }
-
-        @Override
-        public View getView(int position, View convertView, ViewGroup parent) {
-            LinearLayout view = (LinearLayout) super.getView(position, convertView, parent);
-            CheckedTextView radioButton = (CheckedTextView) view.findViewById(R.id.title);
-            radioButton.setChecked(getItem(position).isSelected());
-            radioButton.setEnabled(getItem(position).isEnabled());
-            TextView counter = (TextView) view.findViewById(R.id.summary);
-            String counterText = getItem(position).getCounterText();
-            counter.setText(counterText);
-
-            // Remove the counter if the text is empty, so when the counters experiment is
-            // disabled, it doesn't break alignment.
-            counter.setVisibility(counterText.isEmpty() ? View.GONE : View.VISIBLE);
-
-            return view;
-        }
-
-        public void onClick(int position) {
-            if (!getItem(position).isEnabled()) {
-                // Currently only the history deletion can be disabled.
-                Toast.makeText(getActivity(), R.string.can_not_clear_browsing_history_toast,
-                              Toast.LENGTH_SHORT).show();
-                return;
-            }
-            getItem(position).toggle();
-            updateButtonState();
-            notifyDataSetChanged();
-        }
-    }
-
-    /** The tag used when showing the clear browsing fragment. */
-    public static final String FRAGMENT_TAG = "ClearBrowsingDataDialogFragment";
-
-    /**
-     * Enum for Dialog options to be displayed in the dialog.
-     */
-    public enum DialogOption {
-        CLEAR_HISTORY(BrowsingDataType.HISTORY, R.string.clear_history_title),
-        CLEAR_CACHE(BrowsingDataType.CACHE, R.string.clear_cache_title),
-        CLEAR_COOKIES_AND_SITE_DATA(BrowsingDataType.COOKIES,
-                                    R.string.clear_cookies_and_site_data_title),
-        CLEAR_PASSWORDS(BrowsingDataType.PASSWORDS, R.string.clear_passwords_title),
-        CLEAR_FORM_DATA(BrowsingDataType.FORM_DATA, R.string.clear_formdata_title),
-        // Clear bookmarks is only used by ClearSyncData dialog.
-        CLEAR_BOOKMARKS_DATA(BrowsingDataType.BOOKMARKS, R.string.clear_bookmarks_title);
-
-        private final int mDataType;
-        private final int mResourceId;
-
-        private DialogOption(int dataType, int resourceId) {
-            mDataType = dataType;
-            mResourceId = resourceId;
-        }
-
-        public int getDataType() {
-            return mDataType;
-        }
-
-        /**
-         * @return resource id of the Dialog option.
-         */
-        public int getResourceId() {
-            return mResourceId;
-        }
-    }
-
-    private AlertDialog mDialog;
-    private ProgressDialog mProgressDialog;
-    private ClearBrowsingDataAdapter mAdapter;
-    private boolean mCanDeleteBrowsingHistory;
-    private Item[] mItems;
-
-    protected final EnumSet<DialogOption> getSelectedOptions() {
-        EnumSet<DialogOption> selected = EnumSet.noneOf(DialogOption.class);
-        for (Item item : mItems) {
-            if (item.isSelected()) selected.add(item.getOption());
-        }
-        return selected;
-    }
-
-    protected final void clearBrowsingData() {
-        EnumSet<DialogOption> options = getSelectedOptions();
-        int[] dataTypes = new int[options.size()];
-
-        int i = 0;
-        for (DialogOption option : options) {
-            dataTypes[i] = option.getDataType();
-            ++i;
-        }
-
-        PrefServiceBridge.getInstance().clearBrowsingData(this, dataTypes);
-    }
-
-    protected void dismissProgressDialog() {
-        android.util.Log.i(FRAGMENT_TAG, "in dismissProgressDialog");
-        if (mProgressDialog != null && mProgressDialog.isShowing()) {
-            android.util.Log.i(FRAGMENT_TAG, "progress dialog dismissed");
-            mProgressDialog.dismiss();
-        }
-        mProgressDialog = null;
-    }
-
-    /**
-     * Returns the Array of dialog options. Options are displayed in the same
-     * order as they appear in the array.
-     */
-    protected DialogOption[] getDialogOptions() {
-        return new DialogOption[] {
-            DialogOption.CLEAR_HISTORY,
-            DialogOption.CLEAR_CACHE,
-            DialogOption.CLEAR_COOKIES_AND_SITE_DATA,
-            DialogOption.CLEAR_PASSWORDS,
-            DialogOption.CLEAR_FORM_DATA};
-    }
-
-    /**
-     * Decides whether a given dialog option should be selected when the dialog is initialized.
-     * @param option The option in question.
-     * @return boolean Whether the given option should be preselected.
-     */
-    protected boolean isOptionSelectedByDefault(DialogOption option) {
-        return PrefServiceBridge.getInstance().getBrowsingDataDeletionPreference(
-            option.getDataType());
-    }
-
-    // Called when "clear browsing data" completes.
-    // Implements the ChromePreferences.OnClearBrowsingDataListener interface.
-    @Override
-    public void onBrowsingDataCleared() {
-        dismissProgressDialog();
-    }
-
-    @Override
-    public void onClick(DialogInterface dialog, int whichButton) {
-        if (whichButton == AlertDialog.BUTTON_POSITIVE) {
-            dismissProgressDialog();
-            onOptionSelected();
-        }
-    }
-
-    /**
-     * Disable the "Clear" button if none of the options are selected. Otherwise, enable it.
-     */
-    private void updateButtonState() {
-        Button clearButton = mDialog.getButton(AlertDialog.BUTTON_POSITIVE);
-        if (clearButton == null) return;
-        boolean isEnabled = !getSelectedOptions().isEmpty();
-        clearButton.setEnabled(isEnabled);
-
-        // Work around a bug in the app compat library where disabled buttons in alert dialogs
-        // don't look disabled on pre-L devices. See: http://crbug.com/550784
-        // TODO(newt): remove this workaround when the app compat library is fixed (b/26017217)
-        clearButton.setTextColor(isEnabled ? 0xFF4285F4 : 0x335A5A5A);
-    }
-
-    @Override
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
-        mCanDeleteBrowsingHistory = PrefServiceBridge.getInstance().canDeleteBrowsingHistory();
-
-        DialogOption[] options = getDialogOptions();
-        mItems = new Item[options.length];
-        Resources resources = getResources();
-        for (int i = 0; i < options.length; i++) {
-            // It is possible to disable the deletion of browsing history.
-            boolean enabled = options[i] != DialogOption.CLEAR_HISTORY || mCanDeleteBrowsingHistory;
-
-            mItems[i] = new Item(
-                options[i],
-                resources.getString(options[i].getResourceId()),
-                isOptionSelectedByDefault(options[i]),
-                enabled);
-        }
-        mAdapter = new ClearBrowsingDataAdapter(mItems);
-        final AlertDialog.Builder builder =
-                new AlertDialog.Builder(getActivity(), R.style.AlertDialogTheme)
-                        .setTitle(R.string.clear_browsing_data_title)
-                        .setPositiveButton(R.string.clear_data_delete, this)
-                        .setNegativeButton(R.string.cancel, this)
-                        .setAdapter(mAdapter, null);  // OnClickListener is registered manually.
-
-        if (ChromeSigninController.get(getActivity()).isSignedIn()) {
-            final String message = getString(R.string.clear_cookies_no_sign_out_summary);
-            final SpannableString messageWithLink = SpanApplier.applySpans(message,
-                    new SpanApplier.SpanInfo("<link>", "</link>", new ClickableSpan() {
-                        @Override
-                        public void onClick(View widget) {
-                            dismiss();
-                            Preferences prefActivity = (Preferences) getActivity();
-                            prefActivity.startFragment(AccountManagementFragment.class.getName(),
-                                    null);
-                        }
-
-                        // Change link formatting to use no underline
-                        @Override
-                        public void updateDrawState(TextPaint textPaint) {
-                            textPaint.setColor(textPaint.linkColor);
-                            textPaint.setUnderlineText(false);
-                        }
-                    }));
-
-            View view = getActivity().getLayoutInflater().inflate(
-                    R.layout.single_line_bottom_text_dialog, null);
-            TextView summaryView = (TextView) view.findViewById(R.id.summary);
-            summaryView.setText(messageWithLink);
-            summaryView.setMovementMethod(LinkMovementMethod.getInstance());
-            builder.setView(view);
-        }
-
-        mDialog = builder.create();
-        mDialog.getListView().setOnItemClickListener(new OnItemClickListener() {
-            @Override
-            public void onItemClick(AdapterView<?> parent, View v, int position, long id) {
-                // The present behaviour of AlertDialog is to dismiss after the onClick event.
-                // Hence we are manually overriding this outside the builder.
-                mAdapter.onClick(position);
-            }
-        });
-        return mDialog;
-    }
-
-    @Override
-    public void onActivityCreated(Bundle savedInstanceState) {
-        super.onActivityCreated(savedInstanceState);
-        // Now that the dialog's view has been created, update the button state.
-        updateButtonState();
-    }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        for (Item item : mItems) {
-            item.destroy();
-        }
-    }
-
-    /**
-     * Called when PositiveButton is clicked for the dialog.
-     */
-    protected void onOptionSelected() {
-        showProgressDialog();
-        clearBrowsingData();
-    }
-
-    protected final void showProgressDialog() {
-        if (getActivity() == null) return;
-
-        android.util.Log.i(FRAGMENT_TAG, "progress dialog shown");
-        mProgressDialog = ProgressDialog.show(getActivity(),
-                getActivity().getString(R.string.clear_browsing_data_progress_title),
-                getActivity().getString(R.string.clear_browsing_data_progress_message), true,
-                false);
-    }
-
-    @VisibleForTesting
-    ProgressDialog getProgressDialog() {
-        return mProgressDialog;
-    }
-}