diff options
Diffstat (limited to 'src/com/android/gallery3d/ingest/adapter/MtpPagerAdapter.java')
-rw-r--r-- | src/com/android/gallery3d/ingest/adapter/MtpPagerAdapter.java | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/com/android/gallery3d/ingest/adapter/MtpPagerAdapter.java b/src/com/android/gallery3d/ingest/adapter/MtpPagerAdapter.java new file mode 100644 index 000000000..9e7abc01d --- /dev/null +++ b/src/com/android/gallery3d/ingest/adapter/MtpPagerAdapter.java @@ -0,0 +1,102 @@ +/* + * 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.content.Context; +import android.mtp.MtpObjectInfo; +import android.support.v4.view.PagerAdapter; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; + +import com.android.gallery3d.R; +import com.android.gallery3d.ingest.MtpDeviceIndex; +import com.android.gallery3d.ingest.MtpDeviceIndex.SortOrder; +import com.android.gallery3d.ingest.ui.MtpFullscreenView; + +public class MtpPagerAdapter extends PagerAdapter { + + private LayoutInflater mInflater; + private int mGeneration = 0; + private CheckBroker mBroker; + private MtpDeviceIndex mModel; + private SortOrder mSortOrder = SortOrder.Descending; + + private MtpFullscreenView mReusableView = null; + + public MtpPagerAdapter(Context context, CheckBroker broker) { + super(); + mInflater = LayoutInflater.from(context); + mBroker = broker; + } + + public void setMtpDeviceIndex(MtpDeviceIndex index) { + mModel = index; + notifyDataSetChanged(); + } + + @Override + public int getCount() { + return mModel != null ? mModel.sizeWithoutLabels() : 0; + } + + @Override + public void notifyDataSetChanged() { + mGeneration++; + super.notifyDataSetChanged(); + } + + public int translatePositionWithLabels(int position) { + if (mModel == null) return -1; + return mModel.getPositionWithoutLabelsFromPosition(position, mSortOrder); + } + + @Override + public void finishUpdate(ViewGroup container) { + mReusableView = null; + super.finishUpdate(container); + } + + @Override + public boolean isViewFromObject(View view, Object object) { + return view == object; + } + + @Override + public void destroyItem(ViewGroup container, int position, Object object) { + MtpFullscreenView v = (MtpFullscreenView)object; + container.removeView(v); + mBroker.unregisterOnCheckedChangeListener(v); + mReusableView = v; + } + + @Override + public Object instantiateItem(ViewGroup container, int position) { + MtpFullscreenView v; + if (mReusableView != null) { + v = mReusableView; + mReusableView = null; + } else { + v = (MtpFullscreenView) mInflater.inflate(R.layout.ingest_fullsize, container, false); + } + MtpObjectInfo i = mModel.getWithoutLabels(position, mSortOrder); + v.getImageView().setMtpDeviceAndObjectInfo(mModel.getDevice(), i, mGeneration); + v.setPositionAndBroker(position, mBroker); + container.addView(v); + return v; + } +} |