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/*
* Copyright (C) 2012 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.filemanager.ui.dialogs;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.text.Spanned;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;
import com.cyanogenmod.filemanager.R;
import com.cyanogenmod.filemanager.ui.ThemeManager;
import com.cyanogenmod.filemanager.ui.ThemeManager.Theme;
import com.cyanogenmod.filemanager.util.DialogHelper;
/**
* A class that wraps a dialog for showing a progress with text message (non graphical).
*/
public class MessageProgressDialog implements DialogInterface.OnClickListener {
/**
* A class for listen program cancellation events.
*/
public interface OnCancelListener {
/**
* Fires when a cancel were requested.
*
* @return boolean If the cancel can be done
*/
boolean onCancel();
}
/**
* @hide
*/
final Context mContext;
/**
* @hide
*/
final AlertDialog mDialog;
private final TextView mProgress;
/**
* @hide
*/
OnCancelListener mOnCancelListener;
/**
* Constructor of <code>MessageProgressDialog</code>.
*
*
* @param context The current context
* @param iconResourceId The icon dialog resource identifier
* @param titleResourceId The title dialog resource identifier
* @param labelResourceId The label resource identifier
* @param cancellable If the dialog is cancellable
*/
public MessageProgressDialog(
Context context, int iconResourceId,
int titleResourceId, int labelResourceId, boolean cancellable) {
this(context, iconResourceId, titleResourceId,
context.getResources().getString(labelResourceId), cancellable);
}
/**
* Constructor of <code>MessageProgressDialog</code>.
*
*
* @param context The current context
* @param iconResourceId The icon dialog resource identifier
* @param titleResourceId The title dialog resource identifier
* @param labelMsg The label message
* @param cancellable If the dialog is cancellable
*/
public MessageProgressDialog(
Context context, int iconResourceId,
int titleResourceId, String labelMsg, boolean cancellable) {
super();
//Save the context
this.mContext = context;
//Create the layout
LayoutInflater li =
(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
ViewGroup layout = (ViewGroup)li.inflate(R.layout.message_progress_dialog, null);
final TextView labelView =
(TextView)layout.findViewById(R.id.message_progress_dialog_label);
labelView.setText(labelMsg);
this.mProgress = (TextView)layout.findViewById(R.id.message_progress_dialog_progress);
// Apply the current theme
Theme theme = ThemeManager.getCurrentTheme(context);
theme.setBackgroundDrawable(context, layout, "background_drawable"); //$NON-NLS-1$
theme.setTextColor(context, labelView, "text_color"); //$NON-NLS-1$
theme.setTextColor(context, this.mProgress, "text_color"); //$NON-NLS-1$
//Create the dialog
this.mDialog = DialogHelper.createDialog(
context,
iconResourceId,
titleResourceId,
layout);
this.mDialog.setCancelable(cancellable);
if (cancellable) {
this.mDialog.setButton(
DialogInterface.BUTTON_NEUTRAL, context.getString(android.R.string.cancel), this);
this.mDialog.setOnCancelListener(new DialogInterface.OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
// Disable cancel button
MessageProgressDialog.this.mDialog.getButton(
DialogInterface.BUTTON_NEUTRAL).setEnabled(false);
// Wait for cancellation
if (MessageProgressDialog.this.mOnCancelListener != null) {
if (!MessageProgressDialog.this.mOnCancelListener.onCancel()) {
//The operation couldn't be cancelled
DialogHelper.showToast(
MessageProgressDialog.this.mContext,
R.string.msgs_operation_can_not_be_cancelled, Toast.LENGTH_SHORT);
}
}
}
});
}
//Initialize the progress
this.mProgress.setText(null);
}
/**
* Method that sets the cancel listener.
*
* @param onCancelListener The cancel listener
*/
public void setOnCancelListener(OnCancelListener onCancelListener) {
this.mOnCancelListener = onCancelListener;
}
/**
* Method that sets the progress of the action.
*
* @param progress The progress of progress of the action
*/
public void setProgress(Spanned progress) {
this.mProgress.setText(progress);
}
/**
* Method that shows the dialog.
*/
public void show() {
DialogHelper.delegateDialogShow(this.mContext, this.mDialog);
}
/**
* Method that dismiss the dialog.
*/
public void dismiss() {
this.mDialog.dismiss();
}
/**
* {@inheritDoc}
*/
@Override
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case DialogInterface.BUTTON_NEUTRAL:
this.mDialog.cancel();
break;
default:
break;
}
}
}
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