1 files changed, 184 insertions, 0 deletions
diff --git a/src/com/android/photos/GalleryActivity.java b/src/com/android/photos/GalleryActivity.java
new file mode 100644
index 000000000..710767d77
--- /dev/null
+++ b/src/com/android/photos/GalleryActivity.java
@@ -0,0 +1,184 @@
+/*
+ * 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.photos;
+
+import android.app.ActionBar;
+import android.app.ActionBar.Tab;
+import android.app.Activity;
+import android.app.Fragment;
+import android.app.FragmentTransaction;
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v13.app.FragmentPagerAdapter;
+import android.support.v4.view.ViewPager;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.ViewGroup;
+
+import com.android.camera.CameraActivity;
+import com.android.gallery3d.R;
+
+import java.util.ArrayList;
+
+public class GalleryActivity extends Activity implements MultiChoiceManager.Provider {
+
+    private MultiChoiceManager mMultiChoiceManager;
+    private ViewPager mViewPager;
+    private TabsAdapter mTabsAdapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        mMultiChoiceManager = new MultiChoiceManager(this);
+        mViewPager = new ViewPager(this);
+        mViewPager.setId(R.id.viewpager);
+        setContentView(mViewPager);
+
+        ActionBar ab = getActionBar();
+        ab.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
+        ab.setDisplayShowHomeEnabled(false);
+        ab.setDisplayShowTitleEnabled(false);
+
+        mTabsAdapter = new TabsAdapter(this, mViewPager);
+        mTabsAdapter.addTab(ab.newTab().setText(R.string.tab_photos),
+                PhotoSetFragment.class, null);
+        mTabsAdapter.addTab(ab.newTab().setText(R.string.tab_albums),
+                AlbumSetFragment.class, null);
+
+        if (savedInstanceState != null) {
+            ab.setSelectedNavigationItem(savedInstanceState.getInt("tab", 0));
+        }
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putInt("tab", getActionBar().getSelectedNavigationIndex());
+    }
+
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        getMenuInflater().inflate(R.menu.gallery, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        switch (item.getItemId()) {
+        case R.id.menu_camera:
+            Intent intent = new Intent(this, CameraActivity.class);
+            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+            startActivity(intent);
+            return true;
+        default:
+            return super.onOptionsItemSelected(item);
+        }
+    }
+
+    public static class TabsAdapter extends FragmentPagerAdapter implements
+            ActionBar.TabListener, ViewPager.OnPageChangeListener {
+
+        private final GalleryActivity mActivity;
+        private final ActionBar mActionBar;
+        private final ViewPager mViewPager;
+        private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
+
+        static final class TabInfo {
+
+            private final Class<?> clss;
+            private final Bundle args;
+
+            TabInfo(Class<?> _class, Bundle _args) {
+                clss = _class;
+                args = _args;
+            }
+        }
+
+        public TabsAdapter(GalleryActivity activity, ViewPager pager) {
+            super(activity.getFragmentManager());
+            mActivity = activity;
+            mActionBar = activity.getActionBar();
+            mViewPager = pager;
+            mViewPager.setAdapter(this);
+            mViewPager.setOnPageChangeListener(this);
+        }
+
+        public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args) {
+            TabInfo info = new TabInfo(clss, args);
+            tab.setTag(info);
+            tab.setTabListener(this);
+            mTabs.add(info);
+            mActionBar.addTab(tab);
+            notifyDataSetChanged();
+        }
+
+        @Override
+        public int getCount() {
+            return mTabs.size();
+        }
+
+        @Override
+        public Fragment getItem(int position) {
+            TabInfo info = mTabs.get(position);
+            return Fragment.instantiate(mActivity, info.clss.getName(),
+                    info.args);
+        }
+
+        @Override
+        public void onPageScrolled(int position, float positionOffset,
+                int positionOffsetPixels) {
+        }
+
+        @Override
+        public void onPageSelected(int position) {
+            mActionBar.setSelectedNavigationItem(position);
+        }
+
+        @Override
+        public void setPrimaryItem(ViewGroup container, int position, Object object) {
+            super.setPrimaryItem(container, position, object);
+            mActivity.mMultiChoiceManager.setDelegate((MultiChoiceManager.Delegate) object);
+        }
+
+        @Override
+        public void onPageScrollStateChanged(int state) {
+        }
+
+        @Override
+        public void onTabSelected(Tab tab, FragmentTransaction ft) {
+            Object tag = tab.getTag();
+            for (int i = 0; i < mTabs.size(); i++) {
+                if (mTabs.get(i) == tag) {
+                    mViewPager.setCurrentItem(i);
+                }
+            }
+        }
+
+        @Override
+        public void onTabUnselected(Tab tab, FragmentTransaction ft) {
+        }
+
+        @Override
+        public void onTabReselected(Tab tab, FragmentTransaction ft) {
+        }
+    }
+
+    @Override
+    public MultiChoiceManager getMultiChoiceManager() {
+        return mMultiChoiceManager;
+    }
+}