private void onCurrentDirectoryChanged(int anim) {
final FragmentManager fm = getFragmentManager();
final RootInfo root = getCurrentRoot();
final DocumentInfo cwd = getCurrentDirectory();
mDirectoryContainer.setDrawDisappearingFirst(anim == ANIM_DOWN);
if (cwd == null) {
// No directory means recents
if (mState.action == ACTION_CREATE || mState.action == ACTION_OPEN_TREE) {
RecentsCreateFragment.show(fm);
} else {
DirectoryFragment.showRecentsOpen(fm, anim);
/// M: When state has stored, we need use store state to init fragment(this may happen when
// activity
/// re-create, in this case we need use the userMode store in saveInstance, and only when
// activity
/// first created we need follow the below design. {@
if (!mState.restored) {
// Start recents in grid when requesting visual things
final boolean visualMimes =
MimePredicate.mimeMatches(MimePredicate.VISUAL_MIMES, mState.acceptMimes);
mState.userMode = visualMimes ? MODE_GRID : MODE_LIST;
mState.derivedMode = mState.userMode;
}
/// @}
}
} else {
if (mState.currentSearch != null) {
// Ongoing search
DirectoryFragment.showSearch(fm, root, mState.currentSearch, anim);
} else {
// Normal boring directory
DirectoryFragment.showNormal(fm, root, cwd, anim);
}
}
// Forget any replacement target
if (mState.action == ACTION_CREATE) {
final SaveFragment save = SaveFragment.get(fm);
if (save != null) {
save.setReplaceTarget(null);
}
}
if (mState.action == ACTION_OPEN_TREE) {
final PickFragment pick = PickFragment.get(fm);
if (pick != null) {
final CharSequence displayName = (mState.stack.size() <= 1) ? root.title : cwd.displayName;
pick.setPickTarget(cwd, displayName);
}
}
final RootsFragment roots = RootsFragment.get(fm);
if (roots != null) {
roots.onCurrentRootChanged();
}
updateActionBar();
invalidateOptionsMenu();
dumpStack();
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
mRoots = DocumentsApplication.getRootsCache(this);
setResult(Activity.RESULT_CANCELED);
setContentView(R.layout.activity);
final Context context = this;
final Resources res = getResources();
mShowAsDialog = res.getBoolean(R.bool.show_as_dialog);
if (mShowAsDialog) {
// Strongly define our horizontal dimension; we leave vertical as
// WRAP_CONTENT so that system resizes us when IME is showing.
final WindowManager.LayoutParams a = getWindow().getAttributes();
final Point size = new Point();
getWindowManager().getDefaultDisplay().getSize(size);
a.width = (int) res.getFraction(R.dimen.dialog_width, size.x, size.x);
getWindow().setAttributes(a);
} else {
// Non-dialog means we have a drawer
mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
mDrawerToggle =
new ActionBarDrawerToggle(
this,
mDrawerLayout,
R.drawable.ic_hamburger,
R.string.drawer_open,
R.string.drawer_close);
mDrawerLayout.setDrawerListener(mDrawerListener);
mRootsDrawer = findViewById(R.id.drawer_roots);
}
mDirectoryContainer = (DirectoryContainerView) findViewById(R.id.container_directory);
if (icicle != null) {
mState = icicle.getParcelable(EXTRA_STATE);
} else {
buildDefaultState();
}
mToolbar = (Toolbar) findViewById(R.id.toolbar);
mToolbar.setTitleTextAppearance(
context, android.R.style.TextAppearance_DeviceDefault_Widget_ActionBar_Title);
/// M: add log to print intent info
Intent intent = getIntent();
Log.d(
TAG,
"onCreate: intent = "
+ intent
+ ", extra = "
+ (intent != null ? intent.getExtras() : null));
mToolbarStack = (Spinner) findViewById(R.id.stack);
mToolbarStack.setOnItemSelectedListener(mStackListener);
mRootsToolbar = (Toolbar) findViewById(R.id.roots_toolbar);
if (mRootsToolbar != null) {
mRootsToolbar.setTitleTextAppearance(
context, android.R.style.TextAppearance_DeviceDefault_Widget_ActionBar_Title);
}
setActionBar(mToolbar);
// Hide roots when we're managing a specific root
if (mState.action == ACTION_MANAGE) {
if (mShowAsDialog) {
findViewById(R.id.container_roots).setVisibility(View.GONE);
} else {
mDrawerLayout.setDrawerLockMode(DrawerLayout.LOCK_MODE_LOCKED_CLOSED);
}
}
if (mState.action == ACTION_CREATE) {
final String mimeType = getIntent().getType();
final String title = getIntent().getStringExtra(Intent.EXTRA_TITLE);
SaveFragment.show(getFragmentManager(), mimeType, title);
} else if (mState.action == ACTION_OPEN_TREE) {
PickFragment.show(getFragmentManager());
}
if (mState.action == ACTION_GET_CONTENT) {
final Intent moreApps = new Intent(getIntent());
moreApps.setComponent(null);
moreApps.setPackage(null);
RootsFragment.show(getFragmentManager(), moreApps);
} else if (mState.action == ACTION_OPEN
|| mState.action == ACTION_CREATE
|| mState.action == ACTION_OPEN_TREE) {
RootsFragment.show(getFragmentManager(), null);
}
if (!mState.restored) {
/// M: If show ad ACTION_MANAGE, hide default title to avoid show to user
setTitle(null);
if (mState.action == ACTION_MANAGE) {
final Uri rootUri = getIntent().getData();
new RestoreRootTask(rootUri).executeOnExecutor(getCurrentExecutor());
} else {
new RestoreStackTask().execute();
}
} else {
onCurrentDirectoryChanged(ANIM_NONE);
}
/// M: update action bar when roots are reloaded @{
mRoots.addCallback(mRootUpdatedListener);
}