/*
* Copyright (C) 2008 Esmertec AG.
* Copyright (C) 2008 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.mms.ui;
import android.content.Context;
import android.content.res.Resources;
import android.net.Uri;
import android.util.Log;
import android.widget.Toast;
import com.android.mms.MmsConfig;
import com.android.mms.R;
import com.android.mms.model.AudioModel;
import com.android.mms.model.ImageModel;
import com.android.mms.model.RegionModel;
import com.android.mms.model.SlideModel;
import com.android.mms.model.SlideshowModel;
import com.android.mms.model.TextModel;
import com.android.mms.model.VideoModel;
import com.google.android.mms.ContentType;
import com.google.android.mms.MmsException;
/**
* An utility to edit contents of a slide.
*/
public class SlideshowEditor {
private static final String TAG = "Mms:slideshow";
public static final int MAX_SLIDE_NUM = 20;
private final Context mContext;
private final SlideshowModel mModel;
public SlideshowEditor(Context context, SlideshowModel model) {
mContext = context;
mModel = model;
}
/**
* Add a new slide to the end of message.
*
* @return true if success, false if reach the max slide number.
*/
public boolean addNewSlide() {
int position = mModel.size();
return addNewSlide(position);
}
/**
* Add a new slide at the specified position in the message.
*
* @return true if success, false if reach the max slide number.
* @throws IndexOutOfBoundsException - if position is out of range
* (position < 0 || position > size()).
*/
public boolean addNewSlide(int position) {
int size = mModel.size();
if (size < MAX_SLIDE_NUM) {
SlideModel slide = new SlideModel(mModel);
TextModel text = new TextModel(
mContext, ContentType.TEXT_PLAIN, "text_" + size + ".txt",
mModel.getLayout().getTextRegion());
slide.add(text);
mModel.add(position, slide);
return true;
} else {
Log.w(TAG, "The limitation of the number of slides is reached.");
return false;
}
}
/**
* Remove one slide.
*
* @param position
*/
public void removeSlide(int position) {
mModel.remove(position);
}
/**
* Remove all slides.
*/
public void removeAllSlides() {
while (mModel.size() > 0) {
removeSlide(0);
}
}
/**
* Remove the text of the specified slide.
*
* @param position index of the slide
* @return true if success, false if no text in the slide.
*/
public boolean removeText(int position) {
return mModel.get(position).removeText();
}
public boolean removeImage(int position) {
return mModel.get(position).removeImage();
}
public boolean removeVideo(int position) {
return mModel.get(position).removeVideo();
}
public boolean removeAudio(int position) {
return mModel.get(position).removeAudio();
}
public void changeText(int position, String newText) {
if (newText != null) {
SlideModel slide = mModel.get(position);
TextModel text = slide.getText();
/*fixed CR<NEWMS00148018> by luning at 2011.12.13 begin*/
// if (text == null) {
// text = new TextModel(mContext,
// ContentType.TEXT_PLAIN, "text_" + position + ".txt",
// mModel.getLayout().getTextRegion());
// text.setText(newText);
// slide.add(text);
// } else if (!newText.equals(text.getText())) {
// text.setText(newText);
// }
int oldSize = 0;
int newSize = 0;
if (text == null) {
text = new TextModel(mContext, ContentType.TEXT_PLAIN, "text_" + position + ".txt",
mModel.getLayout().getTextRegion());
slide.add(text);
newSize = newText.getBytes().length;
} else if (!newText.equals(text.getText())) {
oldSize = text.getMediaSize();
newSize = newText.getBytes().length;
}
if (null != mModel) {
int finalSize = mModel.getTotalMsgSizeWithAllHead(mModel.getTotalMessageSize()) - oldSize + newSize;
String message = getResourcesString(R.string.failed_to_add_media, getTextString());
if (finalSize > MmsConfig.getPduMaxTotalSize()) {
MessageUtils.showErrorDialog(mContext, mContext
.getString(R.string.exceed_message_size_limitation),message);
slide.updateText(text.getText());
return;
}
}
if (newText.length() > MmsConfig.getmMaxTextLength()) {
Toast.makeText(mContext,
mContext.getString(R.string.exceed_text_length_limitation),
Toast.LENGTH_SHORT).show();
slide.updateText(newText.substring(0, MmsConfig.getmMaxTextLength()));
return;
}
slide.updateText(newText);
/*fixed CR<NEWMS00148018> by luning at 2011.12.13 end*/
}
}
private String getResourcesString(int id, String mediaName) {
Resources r = mContext.getResources();
return r.getString(id, mediaName);
}
private String getResourcesString(int id) {
Resources r = mContext.getResources();
return r.getString(id);
}
private String getTextString() {
return getResourcesString(R.string.type_text);
}
public void changeImage(int position, Uri newImage) throws MmsException {
mModel.get(position).add(new ImageModel(
mContext, newImage, mModel.getLayout().getImageRegion()));
}
public void changeAudio(int position, Uri newAudio) throws MmsException {
AudioModel audio = new AudioModel(mContext, newAudio);
SlideModel slide = mModel.get(position);
slide.add(audio);
slide.updateDuration(audio.getDuration());
}
public void changeVideo(int position, Uri newVideo) throws MmsException {
VideoModel video = new VideoModel(mContext, newVideo,
mModel.getLayout().getImageRegion());
SlideModel slide = mModel.get(position);
slide.add(video);
slide.updateDuration(video.getDuration());
}
public void moveSlideUp(int position) {
mModel.add(position - 1, mModel.remove(position));
}
public void moveSlideDown(int position) {
mModel.add(position + 1, mModel.remove(position));
}
public void changeDuration(int position, int dur) {
if (dur >= 0) {
mModel.get(position).setDuration(dur);
}
}
public void changeLayout(int layout) {
mModel.getLayout().changeTo(layout);
}
public RegionModel getImageRegion() {
return mModel.getLayout().getImageRegion();
}
public RegionModel getTextRegion() {
return mModel.getLayout().getTextRegion();
}
}