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Diffstat (limited to 'src/com/android/photos/GalleryActivity.java')
-rw-r--r-- | src/com/android/photos/GalleryActivity.java | 184 |
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; + } +} |