| /* |
| * 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.net.Uri; |
| import android.util.Log; |
| |
| 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 = 10; |
| |
| private final Context mContext; |
| private SlideshowModel mModel; |
| |
| public SlideshowEditor(Context context, SlideshowModel model) { |
| mContext = context; |
| mModel = model; |
| } |
| |
| public void setSlideshow(SlideshowModel model) { |
| 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; |
| } |
| } |
| /** |
| * Add an existing 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 addSlide(int position, SlideModel slide) { |
| int size = mModel.size(); |
| if (size < MAX_SLIDE_NUM) { |
| 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(); |
| 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); |
| } |
| } |
| } |
| |
| 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(); |
| } |
| } |