| /* |
| * 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 java.util.ArrayList; |
| |
| import com.android.gallery3d.R; |
| |
| import android.app.ActionBar; |
| import android.app.ActionBar.Tab; |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.FragmentTransaction; |
| import android.content.Context; |
| import android.content.DialogInterface; |
| import android.view.Menu; |
| import android.view.MenuItem; |
| import android.widget.ShareActionProvider; |
| |
| public class GalleryActionBar implements ActionBar.TabListener { |
| 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 tabTitle; |
| 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 tabTitle, |
| int dialogTitle, int clusterBy) { |
| this.action = action; |
| this.enabled = enabled; |
| this.tabTitle = tabTitle; |
| 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 ClusterRunner mClusterRunner; |
| private CharSequence[] mTitles; |
| private ArrayList<Integer> mActions; |
| private Context mContext; |
| private ActionBar mActionBar; |
| // We need this because ActionBar.getSelectedTab() doesn't work when |
| // ActionBar is hidden. |
| private Tab mCurrentTab; |
| |
| public GalleryActionBar(Activity activity) { |
| mActionBar = activity.getActionBar(); |
| mContext = activity; |
| |
| for (ActionItem item : sClusterItems) { |
| mActionBar.addTab(mActionBar.newTab().setText(item.tabTitle). |
| setTag(item).setTabListener(this)); |
| } |
| } |
| |
| 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() { |
| if (mCurrentTab != null) { |
| ActionItem item = (ActionItem) mCurrentTab.getTag(); |
| return item.action; |
| } |
| // By default, it's group-by-album |
| return FilterUtils.CLUSTER_BY_ALBUM; |
| } |
| |
| 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(); |
| shareActionProvider.setShareHistoryFileName( |
| ShareActionProvider.DEFAULT_SHARE_HISTORY_FILE_NAME); |
| } |
| return shareActionProvider; |
| } |
| |
| public void showClusterTabs(ClusterRunner runner) { |
| mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS); |
| mClusterRunner = runner; |
| } |
| |
| public void hideClusterTabs() { |
| mActionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD); |
| mClusterRunner = null; |
| } |
| |
| 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(); |
| } |
| |
| @Override |
| public void onTabSelected(Tab tab, FragmentTransaction ft) { |
| if (mCurrentTab == tab) return; |
| mCurrentTab = tab; |
| ActionItem item = (ActionItem) tab.getTag(); |
| if (mClusterRunner != null) mClusterRunner.doCluster(item.action); |
| } |
| |
| @Override |
| public void onTabUnselected(Tab tab, FragmentTransaction ft) { |
| } |
| |
| @Override |
| public void onTabReselected(Tab tab, FragmentTransaction ft) { |
| } |
| } |