/*
* Copyright (C) 2011 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.app;
import com.android.gallery3d.R;
import android.app.ActionBar;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ShareActionProvider;
import android.widget.TextView;
import java.util.ArrayList;
public class GalleryActionBar implements ActionBar.OnNavigationListener {
private static final String TAG = "GalleryActionBar";
public interface ClusterRunner {
public void doCluster(int id);
}
private static class ActionItem {
public int action;
public boolean enabled;
public boolean visible;
public int spinnerTitle;
public int dialogTitle;
public int clusterBy;
public ActionItem(int action, boolean applied, boolean enabled, int title,
int clusterBy) {
this(action, applied, enabled, title, title, clusterBy);
}
public ActionItem(int action, boolean applied, boolean enabled, int spinnerTitle,
int dialogTitle, int clusterBy) {
this.action = action;
this.enabled = enabled;
this.spinnerTitle = spinnerTitle;
this.dialogTitle = dialogTitle;
this.clusterBy = clusterBy;
this.visible = true;
}
}
private static final ActionItem[] sClusterItems = new ActionItem[] {
new ActionItem(FilterUtils.CLUSTER_BY_ALBUM, true, false, R.string.albums,
R.string.group_by_album),
new ActionItem(FilterUtils.CLUSTER_BY_LOCATION, true, false,
R.string.locations, R.string.location, R.string.group_by_location),
new ActionItem(FilterUtils.CLUSTER_BY_TIME, true, false, R.string.times,
R.string.time, R.string.group_by_time),
new ActionItem(FilterUtils.CLUSTER_BY_FACE, true, false, R.string.people,
R.string.group_by_faces),
new ActionItem(FilterUtils.CLUSTER_BY_TAG, true, false, R.string.tags,
R.string.group_by_tags)
};
private class ClusterAdapter extends BaseAdapter {
public int getCount() {
return sClusterItems.length;
}
public Object getItem(int position) {
return sClusterItems[position];
}
public long getItemId(int position) {
return sClusterItems[position].action;
}
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = mInflater.inflate(R.layout.action_bar_text,
parent, false);
}
TextView view = (TextView) convertView;
view.setText(sClusterItems[position].spinnerTitle);
return convertView;
}
}
private ClusterRunner mClusterRunner;
private CharSequence[] mTitles;
private ArrayList<Integer> mActions;
private Context mContext;
private LayoutInflater mInflater;
private GalleryActivity mActivity;
private ActionBar mActionBar;
private int mCurrentIndex;
private ClusterAdapter mAdapter = new ClusterAdapter();
public GalleryActionBar(GalleryActivity activity) {
mActionBar = ((Activity) activity).getActionBar();
mContext = activity.getAndroidContext();
mActivity = activity;
mInflater = ((Activity) mActivity).getLayoutInflater();
mCurrentIndex = 0;
}
public static int getHeight(Activity activity) {
ActionBar actionBar = activity.getActionBar();
return actionBar != null ? actionBar.getHeight() : 0;
}
private void createDialogData() {
ArrayList<CharSequence> titles = new ArrayList<CharSequence>();
mActions = new ArrayList<Integer>();
for (ActionItem item : sClusterItems) {
if (item.enabled && item.visible) {
titles.add(mContext.getString(item.dialogTitle));
mActions.add(item.action);
}
}
mTitles = new CharSequence[titles.size()];
titles.toArray(mTitles);
}
public void setClusterItemEnabled(int id, boolean enabled) {
for (ActionItem item : sClusterItems) {
if (item.action == id) {
item.enabled = enabled;
return;
}
}
}
public void setClusterItemVisibility(int id, boolean visible) {
for (ActionItem item : sClusterItems) {
if (item.action == id) {
item.visible = visible;
return;
}
}
}
public int getClusterTypeAction() {
return sClusterItems[mCurrentIndex].action;
}
public static String getClusterByTypeString(Context context, int type) {
for (ActionItem item : sClusterItems) {
if (item.action == type) {
return context.getString(item.clusterBy);
}
}
return null;
}
public static ShareActionProvider initializeShareActionProvider(Menu menu) {
MenuItem item = menu.findItem(R.id.action_share);
ShareActionProvider shareActionProvider = null;
if (item != null) {
shareActionProvider = (ShareActionProvider) item.getActionProvider();
}
return shareActionProvider;
}
public void showClusterMenu(int action, ClusterRunner runner) {
Log.v(TAG, "showClusterMenu: runner=" + runner);
// Don't set cluster runner until action bar is ready.
mClusterRunner = null;
mActionBar.setListNavigationCallbacks(mAdapter, this);
mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_LIST);
setSelectedAction(action);
mClusterRunner = runner;
}
public void hideClusterMenu() {
mClusterRunner = null;
mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
}
public void showClusterDialog(final ClusterRunner clusterRunner) {
createDialogData();
final ArrayList<Integer> actions = mActions;
new AlertDialog.Builder(mContext).setTitle(R.string.group_by).setItems(
mTitles, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
clusterRunner.doCluster(actions.get(which).intValue());
}
}).create().show();
}
public void setTitle(String title) {
if (mActionBar != null) mActionBar.setTitle(title);
}
public void setTitle(int titleId) {
if (mActionBar != null) mActionBar.setTitle(titleId);
}
public void setSubtitle(String title) {
if (mActionBar != null) mActionBar.setSubtitle(title);
}
public void setNavigationMode(int mode) {
if (mActionBar != null) mActionBar.setNavigationMode(mode);
}
public int getHeight() {
return mActionBar == null ? 0 : mActionBar.getHeight();
}
public boolean setSelectedAction(int type) {
for (int i = 0, n = sClusterItems.length; i < n; i++) {
ActionItem item = sClusterItems[i];
if (item.action == type) {
mActionBar.setSelectedNavigationItem(i);
mCurrentIndex = i;
return true;
}
}
return false;
}
@Override
public boolean onNavigationItemSelected(int itemPosition, long itemId) {
if (itemPosition != mCurrentIndex && mClusterRunner != null) {
mActivity.getGLRoot().lockRenderThread();
try {
mClusterRunner.doCluster(sClusterItems[itemPosition].action);
} finally {
mActivity.getGLRoot().unlockRenderThread();
}
}
return false;
}
}