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/*
* Copyright (C) 2010 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 com.android.gallery3d.data.DataManager;
import com.android.gallery3d.data.ImageCacheService;
import com.android.gallery3d.ui.GLRoot;
import com.android.gallery3d.ui.GLRootView;
import com.android.gallery3d.ui.PositionRepository;
import com.android.gallery3d.util.ThreadPool;
import android.app.ActionBar;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
public class AbstractGalleryActivity extends Activity implements GalleryActivity {
@SuppressWarnings("unused")
private static final String TAG = "AbstractGalleryActivity";
private GLRootView mGLRootView;
private StateManager mStateManager;
private PositionRepository mPositionRepository = new PositionRepository();
private AlertDialog mAlertDialog = null;
private BroadcastReceiver mMountReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (getExternalCacheDir() != null) onStorageReady();
}
};
private IntentFilter mMountFilter = new IntentFilter(Intent.ACTION_MEDIA_MOUNTED);
@Override
protected void onSaveInstanceState(Bundle outState) {
mGLRootView.lockRenderThread();
try {
super.onSaveInstanceState(outState);
getStateManager().saveState(outState);
} finally {
mGLRootView.unlockRenderThread();
}
}
public Context getAndroidContext() {
return this;
}
public ImageCacheService getImageCacheService() {
return ((GalleryApp) getApplication()).getImageCacheService();
}
public DataManager getDataManager() {
return ((GalleryApp) getApplication()).getDataManager();
}
public ThreadPool getThreadPool() {
return ((GalleryApp) getApplication()).getThreadPool();
}
public GalleryApp getGalleryApplication() {
return (GalleryApp) getApplication();
}
public synchronized StateManager getStateManager() {
if (mStateManager == null) {
mStateManager = new StateManager(this);
}
return mStateManager;
}
public GLRoot getGLRoot() {
return mGLRootView;
}
public PositionRepository getPositionRepository() {
return mPositionRepository;
}
@Override
public void setContentView(int resId) {
super.setContentView(resId);
mGLRootView = (GLRootView) findViewById(R.id.gl_root_view);
}
public int getActionBarHeight() {
ActionBar actionBar = getActionBar();
return actionBar != null ? actionBar.getHeight() : 0;
}
protected void onStorageReady() {
if (mAlertDialog != null) {
mAlertDialog.dismiss();
mAlertDialog = null;
unregisterReceiver(mMountReceiver);
}
}
@Override
protected void onStart() {
super.onStart();
if (getExternalCacheDir() == null) {
OnCancelListener onCancel = new OnCancelListener() {
@Override
public void onCancel(DialogInterface dialog) {
finish();
}
};
OnClickListener onClick = new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.cancel();
}
};
mAlertDialog = new AlertDialog.Builder(this)
.setIcon(android.R.drawable.ic_dialog_alert)
.setTitle("No Storage")
.setMessage("No external storage available.")
.setNegativeButton(android.R.string.cancel, onClick)
.setOnCancelListener(onCancel)
.show();
registerReceiver(mMountReceiver, mMountFilter);
}
}
@Override
protected void onStop() {
super.onStop();
if (mAlertDialog != null) {
unregisterReceiver(mMountReceiver);
mAlertDialog.dismiss();
mAlertDialog = null;
}
}
@Override
protected void onResume() {
super.onResume();
mGLRootView.lockRenderThread();
try {
getStateManager().resume();
getDataManager().resume();
} finally {
mGLRootView.unlockRenderThread();
}
mGLRootView.onResume();
}
@Override
protected void onPause() {
super.onPause();
mGLRootView.onPause();
mGLRootView.lockRenderThread();
try {
getStateManager().pause();
getDataManager().pause();
} finally {
mGLRootView.unlockRenderThread();
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
mGLRootView.lockRenderThread();
try {
getStateManager().notifyActivityResult(
requestCode, resultCode, data);
} finally {
mGLRootView.unlockRenderThread();
}
}
@Override
public GalleryActionBar getGalleryActionBar() {
return null;
}
}
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