diff options
Diffstat (limited to 'src/com/android/gallery3d/ingest/adapter/MtpAdapter.java')
| -rw-r--r-- | src/com/android/gallery3d/ingest/adapter/MtpAdapter.java | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/ingest/adapter/MtpAdapter.java b/src/com/android/gallery3d/ingest/adapter/MtpAdapter.java new file mode 100644 index 000000000..e8dd69f8c --- /dev/null +++ b/src/com/android/gallery3d/ingest/adapter/MtpAdapter.java @@ -0,0 +1,192 @@ +/* + * Copyright (C) 2013 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.gallery3d.ingest.adapter; + +import android.app.Activity; +import android.content.Context; +import android.mtp.MtpObjectInfo; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.BaseAdapter; +import android.widget.SectionIndexer; + +import com.android.gallery3d.R; +import com.android.gallery3d.ingest.MtpDeviceIndex; +import com.android.gallery3d.ingest.MtpDeviceIndex.SortOrder; +import com.android.gallery3d.ingest.SimpleDate; +import com.android.gallery3d.ingest.ui.DateTileView; +import com.android.gallery3d.ingest.ui.MtpThumbnailTileView; + +public class MtpAdapter extends BaseAdapter implements SectionIndexer { + public static final int ITEM_TYPE_MEDIA = 0; + public static final int ITEM_TYPE_BUCKET = 1; + + private Context mContext; + private MtpDeviceIndex mModel; + private SortOrder mSortOrder = SortOrder.Descending; + private LayoutInflater mInflater; + private int mGeneration = 0; + + public MtpAdapter(Activity context) { + super(); + mContext = context; + mInflater = LayoutInflater.from(context); + } + + public void setMtpDeviceIndex(MtpDeviceIndex index) { + mModel = index; + notifyDataSetChanged(); + } + + public MtpDeviceIndex getMtpDeviceIndex() { + return mModel; + } + + @Override + public void notifyDataSetChanged() { + mGeneration++; + super.notifyDataSetChanged(); + } + + @Override + public void notifyDataSetInvalidated() { + mGeneration++; + super.notifyDataSetInvalidated(); + } + + public boolean deviceConnected() { + return (mModel != null) && (mModel.getDevice() != null); + } + + public boolean indexReady() { + return (mModel != null) && mModel.indexReady(); + } + + @Override + public int getCount() { + return mModel != null ? mModel.size() : 0; + } + + @Override + public Object getItem(int position) { + return mModel.get(position, mSortOrder); + } + + @Override + public boolean areAllItemsEnabled() { + return true; + } + + @Override + public boolean isEnabled(int position) { + return true; + } + + @Override + public long getItemId(int position) { + return position; + } + + @Override + public int getViewTypeCount() { + return 2; + } + + @Override + public int getItemViewType(int position) { + // If the position is the first in its section, then it corresponds to + // a title tile, if not it's a media tile + if (position == getPositionForSection(getSectionForPosition(position))) { + return ITEM_TYPE_BUCKET; + } else { + return ITEM_TYPE_MEDIA; + } + } + + public boolean itemAtPositionIsBucket(int position) { + return getItemViewType(position) == ITEM_TYPE_BUCKET; + } + + public boolean itemAtPositionIsMedia(int position) { + return getItemViewType(position) == ITEM_TYPE_MEDIA; + } + + @Override + public View getView(int position, View convertView, ViewGroup parent) { + int type = getItemViewType(position); + if (type == ITEM_TYPE_MEDIA) { + MtpThumbnailTileView imageView; + if (convertView == null) { + imageView = (MtpThumbnailTileView) mInflater.inflate( + R.layout.ingest_thumbnail, parent, false); + } else { + imageView = (MtpThumbnailTileView) convertView; + } + imageView.setMtpDeviceAndObjectInfo(mModel.getDevice(), (MtpObjectInfo)getItem(position), mGeneration); + return imageView; + } else { + DateTileView dateTile; + if (convertView == null) { + dateTile = (DateTileView) mInflater.inflate( + R.layout.ingest_date_tile, parent, false); + } else { + dateTile = (DateTileView) convertView; + } + dateTile.setDate((SimpleDate)getItem(position)); + return dateTile; + } + } + + @Override + public int getPositionForSection(int section) { + if (getCount() == 0) { + return 0; + } + int numSections = getSections().length; + if (section >= numSections) { + section = numSections - 1; + } + return mModel.getFirstPositionForBucketNumber(section, mSortOrder); + } + + @Override + public int getSectionForPosition(int position) { + int count = getCount(); + if (count == 0) { + return 0; + } + if (position >= count) { + position = count - 1; + } + return mModel.getBucketNumberForPosition(position, mSortOrder); + } + + @Override + public Object[] getSections() { + return getCount() > 0 ? mModel.getBuckets(mSortOrder) : null; + } + + public SortOrder getSortOrder() { + return mSortOrder; + } + + public int translatePositionWithoutLabels(int position) { + if (mModel == null) return -1; + return mModel.getPositionFromPositionWithoutLabels(position, mSortOrder); + } +} |