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Diffstat (limited to 'src/org/cyanogenmod/wallpapers/photophase/widgets/AlbumInfo.java')
| -rw-r--r-- | src/org/cyanogenmod/wallpapers/photophase/widgets/AlbumInfo.java | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/src/org/cyanogenmod/wallpapers/photophase/widgets/AlbumInfo.java b/src/org/cyanogenmod/wallpapers/photophase/widgets/AlbumInfo.java new file mode 100644 index 0000000..8e335c3 --- /dev/null +++ b/src/org/cyanogenmod/wallpapers/photophase/widgets/AlbumInfo.java @@ -0,0 +1,284 @@ +/* + * Copyright (C) 2013 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 org.cyanogenmod.wallpapers.photophase.widgets; + +import android.content.Context; +import android.content.res.Resources; +import android.os.AsyncTask.Status; +import android.util.AttributeSet; +import android.view.Menu; +import android.view.MenuInflater; +import android.view.MenuItem; +import android.view.View; +import android.view.View.OnClickListener; +import android.widget.ImageView; +import android.widget.PopupMenu; +import android.widget.PopupMenu.OnMenuItemClickListener; +import android.widget.RelativeLayout; +import android.widget.TextView; + +import org.cyanogenmod.wallpapers.photophase.R; +import org.cyanogenmod.wallpapers.photophase.model.Album; +import org.cyanogenmod.wallpapers.photophase.tasks.AsyncPictureLoaderTask; + +import java.io.File; +import java.util.ArrayList; +import java.util.List; + +/** + * A view that contains the info about an album + */ +public class AlbumInfo extends RelativeLayout + implements OnClickListener, OnMenuItemClickListener { + + /** + * A convenient listener for receive events of the AlbumPictures class + * + */ + public interface CallbacksListener { + /** + * Invoked when an album was selected + * + * @param album The album + */ + void onAlbumSelected(Album album); + + /** + * Invoked when an album was deselected + * + * @param album The album + */ + void onAlbumDeselected(Album album); + } + + private List<CallbacksListener> mCallbacks; + + /*package*/ Album mAlbum; + + /*package*/ AsyncPictureLoaderTask mTask; + + /*package*/ ImageView mIcon; + private TextView mSelectedItems; + private TextView mName; + private TextView mItems; + private View mOverflowButton; + + /** + * Constructor of <code>AlbumInfo</code>. + * + * @param context The current context + */ + public AlbumInfo(Context context) { + super(context); + init(); + } + + /** + * Constructor of <code>AlbumInfo</code>. + * + * @param context The current context + * @param attrs The attributes of the XML tag that is inflating the view. + */ + public AlbumInfo(Context context, AttributeSet attrs) { + super(context, attrs); + init(); + } + + /** + * Constructor of <code>AlbumInfo</code>. + * + * @param context The current context + * @param attrs The attributes of the XML tag that is inflating the view. + * @param defStyle The default style to apply to this view. If 0, no style + * will be applied (beyond what is included in the theme). This may + * either be an attribute resource, whose value will be retrieved + * from the current theme, or an explicit style resource. + */ + public AlbumInfo(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + init(); + } + + /** + * Method that initializes the internal references + */ + private void init() { + mCallbacks = new ArrayList<AlbumInfo.CallbacksListener>(); + } + + /** + * Method that adds the class that will be listen for events of this class + * + * @param callback The callback class + */ + public void addCallBackListener(CallbacksListener callback) { + this.mCallbacks.add(callback); + } + + /** + * Method that removes the class from the current callbacks + * + * @param callback The callback class + */ + public void removeCallBackListener(CallbacksListener callback) { + this.mCallbacks.remove(callback); + } + + /** + * {@inheritDoc} + */ + @Override + protected void onAttachedToWindow() { + super.onAttachedToWindow(); + + mIcon = (ImageView)findViewById(R.id.album_thumbnail); + mSelectedItems = (TextView)findViewById(R.id.album_selected_items); + mName = (TextView)findViewById(R.id.album_name); + mItems = (TextView)findViewById(R.id.album_items); + mOverflowButton = findViewById(R.id.overflow); + mOverflowButton.setOnClickListener(this); + + updateView(mAlbum); + } + + /** + * {@inheritDoc} + */ + @Override + protected void onDetachedFromWindow() { + super.onDetachedFromWindow(); + + // Cancel pending tasks + if (mTask != null && mTask.getStatus().compareTo(Status.PENDING) == 0) { + mTask.cancel(true); + } + } + + /** + * {@inheritDoc} + */ + @Override + public void onClick(View v) { + if (v.equals(mOverflowButton)) { + PopupMenu popup = new PopupMenu(getContext(), v); + MenuInflater inflater = popup.getMenuInflater(); + inflater.inflate(R.menu.album_actions, popup.getMenu()); + onPreparePopupMenu(popup.getMenu()); + popup.setOnMenuItemClickListener(this); + popup.show(); + return; + } + } + + /** + * Method called prior to show the popup menu + * + * @param popup The popup menu + */ + public void onPreparePopupMenu(Menu popup) { + if (isSelected()) { + popup.findItem(R.id.mnu_select_album).setVisible(false); + } else { + popup.findItem(R.id.mnu_deselect_album).setVisible(false); + } + } + + /** + * {@inheritDoc} + */ + @Override + public boolean onMenuItemClick(MenuItem item) { + switch (item.getItemId()) { + case R.id.mnu_select_album: + doSelection(true); + break; + + case R.id.mnu_deselect_album: + doSelection(false); + break; + + default: + return false; + } + return true; + } + + /** + * Method that select/deselect the album + * + * @param selected whether the album is selected + */ + public void doSelection(boolean selected) { + setSelected(selected); + mAlbum.setSelected(selected); + mAlbum.setSelectedItems(new ArrayList<String>()); + updateView(mAlbum); + notifySelectionChanged(); + } + + /** + * Method that notifies to all the registered callbacks that the selection + * was changed + */ + private void notifySelectionChanged() { + for (CallbacksListener callback : mCallbacks) { + if (mAlbum.isSelected()) { + callback.onAlbumSelected(mAlbum); + } else { + callback.onAlbumDeselected(mAlbum); + } + } + } + + /** + * Method that updates the view + * + * @param album The album data + */ + @SuppressWarnings("boxing") + public void updateView(Album album) { + mAlbum = album; + + if (mAlbum != null && mIcon != null) { + Resources res = getContext().getResources(); + + int selectedItems = mAlbum.getSelectedItems().size(); + String count = String.valueOf(selectedItems); + if (selectedItems > 99) { + count += "+"; + } + mSelectedItems.setText(count); + mSelectedItems.setVisibility(mAlbum.isSelected() ? View.INVISIBLE : View.VISIBLE); + mName.setText(mAlbum.getName()); + int items = mAlbum.getItems().size(); + mItems.setText(String.format(res.getQuantityText( + R.plurals.album_number_of_pictures, items).toString(), items)); + setSelected(album.isSelected()); + + if (mTask == null) { + post(new Runnable() { + @Override + public void run() { + // Show as icon, the first picture + mTask = new AsyncPictureLoaderTask(getContext(), mIcon); + mTask.execute(new File(mAlbum.getItems().get(0))); + } + }); + } + } + } +} |