private boolean setMediaList(MediaList value) {
// check instance
if (m_MediaList == value) return false;
// detach from previous media list
if (m_MediaList != null) {
m_MediaList.removeHandler(MediaList.EVENT_MEDIA_ADDED, m_MediaAddedHandler);
m_MediaList.removeHandler(MediaList.EVENT_MEDIA_REMOVED, m_MediaRemovedHandler);
}
// attach to new media list
m_MediaList = value;
if (m_MediaList == null) Log.d(TAG, "m_MediaList value null");
else {
Log.d(TAG, "m_MediaList value");
m_MediaList.addHandler(MediaList.EVENT_MEDIA_ADDED, m_MediaAddedHandler);
m_MediaList.addHandler(MediaList.EVENT_MEDIA_REMOVED, m_MediaRemovedHandler);
}
// update UI
if (m_GridViewItemAdapter != null) m_GridViewItemAdapter.notifyDataSetChanged();
if (value != null && !value.isEmpty()) this.showGridView();
else this.showNoMedia();
// complete
return true;
}
/**
* Start activity for result.
*
* @param intent Intent to start activity.
* @param callback Result call-back.
* @return Handle to this operation.
*/
public Handle startActivityForResult(Intent intent, ActivityResultCallback callback) {
// check parameter
if (intent == null) {
Log.e(TAG, "startActivityForResult() - No intent");
return null;
}
// check state
this.verifyAccess();
// generate request code
int requestCode = 64;
for (; requestCode > 0; --requestCode) {
if (m_ActivityResultHandles.get(requestCode) == null) break;
}
if (requestCode <= 0) {
Log.e(TAG, "startActivityForResult() - No available request code");
return null;
}
// create handle
ActivityResultHandle handle = new ActivityResultHandle(callback);
m_ActivityResultHandles.put(requestCode, handle);
// start activity for result
try {
this.startActivityForResult(intent, requestCode);
return handle;
} catch (Throwable ex) {
Log.e(TAG, "startActivityForResult() - Fail to start activity", ex);
m_ActivityResultHandles.delete(requestCode);
return null;
}
}
// Called when creating.
@Override
protected final void onCreate(Bundle savedInstanceState) {
// start tracking
trackInstance(this);
// call super
super.onCreate(savedInstanceState);
// setup instance state
Intent intent = this.getIntent();
String sharedGalleryId =
(intent != null ? intent.getStringExtra(EXTRA_SHARED_GALLERY_ID) : null);
InstanceStateFragment stateFragment =
(InstanceStateFragment)
this.getFragmentManager().findFragmentByTag(InstanceStateFragment.TAG);
m_Gallery = Gallery.fromId(sharedGalleryId);
if (m_Gallery == null) {
if (stateFragment != null) {
Log.w(TAG, "onCreate() - Use existent Gallery : " + stateFragment.gallery.getId());
m_Gallery = stateFragment.gallery;
m_ActivityResultHandles = stateFragment.activityResultHandles;
} else {
Log.w(TAG, "onCreate() - Create new Gallery");
m_Gallery = GalleryApplication.current().createGallery();
m_ActivityResultHandles = new SparseArray<>();
}
} else {
Log.w(TAG, "onCreate() - Use shared Gallery : " + m_Gallery.getId());
m_ActivityResultHandles = new SparseArray<>();
m_IsSharedGallery = true;
}
// attach to gallery
m_GalleryAttachHandle = m_Gallery.attachActivity(this);
if (!Handle.isValid(m_GalleryAttachHandle)) {
Log.e(TAG, "onCreate() - Fail to attach to Gallery");
this.finish();
return;
}
m_Gallery.addCallback(Gallery.PROP_IS_NAVIGATION_BAR_VISIBLE, m_NavBarVisibilityCallback);
m_Gallery.addCallback(Gallery.PROP_IS_STATUS_BAR_VISIBLE, m_StatusBarVisibilityCallback);
// initialize screen size
this.updateScreenSize();
// create
this.onCreate(savedInstanceState, stateFragment != null ? stateFragment.extras : null);
}
// Create view.
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
Log.d(TAG, "onCreateView");
View view = inflater.inflate(R.layout.fragment_gridview, container, false);
m_GridView = (GridView) view.findViewById(R.id.gridview);
if (m_GridViewItemAdapter == null)
m_GridViewItemAdapter = new GridViewItemAdapter(this.getActivity());
m_GridView.setAdapter(m_GridViewItemAdapter);
m_GridView.setOnItemClickListener(
new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Log.d(TAG, "gridview onItemClick event item position:" + position);
Toast.makeText(GridViewFragment.this.getActivity(), "" + position, Toast.LENGTH_SHORT)
.show();
onItemClicked(position, view);
}
});
m_NoMediaView = view.findViewById(R.id.no_photo);
m_NoMediaView.setOnClickListener(
new OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent("android.media.action.STILL_IMAGE_CAMERA");
startActivity(intent);
}
});
if (m_MediaList != null && !m_MediaList.isEmpty()) this.showGridView();
else this.showNoMedia();
return view;
}
// Save instance state.
@Override
protected final void onSaveInstanceState(Bundle outState) {
// get instance state fragment
InstanceStateFragment stateFragment =
(InstanceStateFragment)
this.getFragmentManager().findFragmentByTag(InstanceStateFragment.TAG);
if (stateFragment == null) {
stateFragment = new InstanceStateFragment();
this.getFragmentManager()
.beginTransaction()
.add(stateFragment, InstanceStateFragment.TAG)
.commit();
}
// save instance state
Log.w(TAG, "onSaveInstanceState() - Keep Gallery instance : " + m_Gallery.getId());
stateFragment.gallery = m_Gallery;
stateFragment.activityResultHandles = m_ActivityResultHandles;
this.onSaveInstanceState(outState, stateFragment.extras);
// call super
super.onSaveInstanceState(outState);
// update state
m_IsInstanceStateSaved = true;
}
// Set system UI visibility
protected void setSystemUiVisibility(boolean visible) {
// check state
Gallery gallery = this.getGallery();
if (gallery == null) {
Log.e(TAG, "setSystemUiVisibility() - No gallery");
return;
}
Log.v(TAG, "setSystemUiVisibility() - Visible: ", visible);
// set visibility
if (visible) {
gallery.setNavigationBarVisibility(true);
gallery.setStatusBarVisibility(true);
} else {
gallery.setNavigationBarVisibility(false);
gallery.setStatusBarVisibility(false);
}
}
public Object getItem(int position) {
Log.d(TAG, "getItem position: " + position);
if (m_MediaList != null) {
if (get(PROP_IS_CAMERA_ROLL)) {
if (position == 0) return null;
return m_MediaList.get(position - 1);
}
return m_MediaList.get(position);
}
return null;
}
@Override
public void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
Log.d(TAG, "onCreate");
m_GridviewItemHeight = this.getResources().getDimensionPixelSize(R.dimen.gridview_item_height);
m_GridviewItemWidth = this.getResources().getDimensionPixelSize(R.dimen.gridview_item_width);
// Prepare greySquare
m_GreySquare = new SquareDrawable(m_GridviewItemWidth, m_GridviewItemHeight);
}
private void onItemClicked(int index, View view) {
// check state
if (m_MediaList == null) return;
if (index < 0 || index >= m_MediaList.size()) {
Log.e(TAG, "onItemClicked() - Invalid index : " + index);
return;
}
// raise event
Media media = m_MediaList.get(index);
this.raise(EVENT_MEDIA_CLICKED, new ListItemEventArgs<Media>(index, media));
}
@Override
public void onDestroyView() {
Log.d(TAG, "onDestroyView");
// clear references
if (m_GridView != null) {
m_GridView.setAdapter(null);
m_GridView = null;
}
m_NoMediaView = null;
// call super
super.onDestroyView();
}
// Check alive instances.
private static void checkInstances(long delayMillis) {
// check immediately
Handler handler = GalleryApplication.current().getHandler();
handler.removeCallbacks(m_CheckInstancesRunnable);
if (delayMillis <= 0) {
for (int i = m_TrackingInstances.size() - 1; i >= 0; --i) {
Object instance = m_TrackingInstances.get(i).get();
if (instance == null) m_TrackingInstances.remove(i);
}
Log.w(
"GalleryActivity", "checkInstances() - Alive instances : " + m_TrackingInstances.size());
return;
}
// check later
handler.postDelayed(m_CheckInstancesRunnable, delayMillis);
}
// Called when destroying.
@Override
protected void onDestroy() {
// detach from gallery
m_Gallery.removeCallback(Gallery.PROP_IS_NAVIGATION_BAR_VISIBLE, m_NavBarVisibilityCallback);
m_Gallery.removeCallback(Gallery.PROP_IS_STATUS_BAR_VISIBLE, m_StatusBarVisibilityCallback);
m_GalleryAttachHandle = Handle.close(m_GalleryAttachHandle);
// release gallery
if (!m_IsInstanceStateSaved && !m_IsSharedGallery) {
Log.w(TAG, "onDestroy() - Release Gallery");
m_Gallery.release();
}
// release references
m_ActivityResultHandles = null;
// call super
super.onDestroy();
// check instances
checkInstances(DURATION_CHECK_INSTANCES_DELAY);
}
@Override
public void onResume() {
// TODO Auto-generated method stub
super.onResume();
Log.d(TAG, "onResume");
}
private void onInitialize() {
Log.d(TAG, "onInitialize");
}
// create a new ImageView for each item referenced by the Adapter
public View getView(int position, View convertView, ViewGroup parent) {
final GridViewItemHolder holder;
if (convertView == null) {
// Log.d(TAG, "convertView == null getView position:" + position);
// holder initialize
convertView = m_inflater.inflate(R.layout.fragment_gridview_item, parent, false);
holder = new GridViewItemHolder(convertView);
} else {
// recycled view
holder = (GridViewItemHolder) convertView.getTag();
((ViewGroup) holder.typeIconView.getParent()).setVisibility(View.GONE);
}
holder.thumbnailImageView.setImageDrawable(m_GreySquare);
holder.position = position;
holder.thumbDecoded = false;
boolean isCameraRoll = get(PROP_IS_CAMERA_ROLL);
if (m_MediaList != null) {
if (holder.position == 0 && isCameraRoll) {
// Set item thumbnail
holder.thumbnailImageView.setImageResource(R.drawable.camera);
holder.contentUri = null;
holder.smallThumbDecodeHandle = null;
holder.thumbDecodeHandle = null;
} else {
Log.e(TAG, "holder.m_ItemPosition: " + holder.position);
// -1 for the first one for CameraIcon to start camera activity
Media media = m_MediaList.get(isCameraRoll ? position - 1 : position);
String filePath = media.getFilePath();
holder.contentUri = media.getContentUri();
holder.mimeType = media.getMimeType();
if (filePath != null) {
holder.smallThumbDecodeHandle =
m_SmallBitmapPool.decode(
media.getFilePath(),
m_GridviewItemWidth,
m_GridviewItemHeight,
BitmapPool.FLAG_ASYNC | BitmapPool.FLAG_URGENT,
holder.smallThumbDecodeCallback,
GridViewFragment.this.getHandler());
holder.thumbDecodeHandle =
m_BitmapPool.decode(
media.getFilePath(),
m_GridviewItemWidth,
m_GridviewItemHeight,
BitmapPool.FLAG_ASYNC | BitmapPool.FLAG_URGENT,
holder.thumbDecodeCallback,
GridViewFragment.this.getHandler());
} else {
int mediaType =
(media instanceof VideoMedia
? BitmapPool.MEDIA_TYPE_VIDEO
: BitmapPool.MEDIA_TYPE_PHOTO);
holder.smallThumbDecodeHandle =
m_SmallBitmapPool.decode(
getActivity(),
holder.contentUri,
mediaType,
m_GridviewItemWidth,
m_GridviewItemHeight,
BitmapPool.FLAG_ASYNC | BitmapPool.FLAG_URGENT,
holder.smallThumbDecodeCallback,
GridViewFragment.this.getHandler());
holder.thumbDecodeHandle =
m_BitmapPool.decode(
getActivity(),
holder.contentUri,
mediaType,
m_GridviewItemWidth,
m_GridviewItemHeight,
BitmapPool.FLAG_ASYNC | BitmapPool.FLAG_URGENT,
holder.thumbDecodeCallback,
GridViewFragment.this.getHandler());
}
if (media instanceof VideoMedia) {
((ViewGroup) holder.typeIconView.getParent()).setVisibility(View.VISIBLE);
holder.typeIconView.setImageResource(R.drawable.about);
holder.durationTextView.setText(getVideoTime((VideoMedia) media));
}
}
}
return convertView;
}
public long getItemId(int position) {
Log.d(TAG, "getItemId position: " + position);
return position;
}
@Override
public void onActivityCreated(Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
Log.d(TAG, "onActivityCreated");
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
Log.d(TAG, "onAttach");
}