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Code Issues Releases Wiki Activity

openTree mechanism has been changed: intents are used (for correct restoring after force closing)

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This commit is contained in:
Nikolay Pultsin 2011-07-16 10:46:39 +01:00
parent 592aa59c33
commit 6c38d394f5
6 changed files with 64 additions and 29 deletions
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17
src/org/geometerplus/android/fbreader/library/LibraryActivity.java
View file

@ -47,7 +47,6 @@ import org.geometerplus.android.fbreader.tree.BaseActivity;
import org.geometerplus.android.fbreader.tree.ListAdapter;
public class LibraryActivity extends BaseActivity implements MenuItem.OnMenuItemClickListener, View.OnCreateContextMenuListener {
public static final String TREE_KEY_KEY = "TreeKey";
public static final String SELECTED_BOOK_PATH_KEY = "SelectedBookPath";
static Library LibraryInstance;
@ -70,11 +69,8 @@ public class LibraryActivity extends BaseActivity implements MenuItem.OnMenuItem
}
final FBTree.Key key = (FBTree.Key)getIntent().getSerializableExtra(TREE_KEY_KEY);
setCurrentTree(
key != null
? LibraryInstance.getLibraryTree(key)
: LibraryInstance.getRootTree()
);
setCurrentTree(getTreeByKey(key));
setTitle(getCurrentTree().getTreeTitle());
final String selectedBookPath = getIntent().getStringExtra(SELECTED_BOOK_PATH_KEY);
@ -87,12 +83,17 @@ public class LibraryActivity extends BaseActivity implements MenuItem.OnMenuItem
}
final ListAdapter adapter = new LibraryListAdapter(this, getCurrentTree().subTrees());
setSelection(adapter.getFirstSelectedItemIndex());
setSelection(adapter.getIndex(adapter.getFirstSelectedItem()));
getListView().setTextFilterEnabled(true);
getListView().setOnCreateContextMenuListener(this);
}
@Override
protected FBTree getTreeByKey(FBTree.Key key) {
return key != null ? LibraryInstance.getLibraryTree(key) : LibraryInstance.getRootTree();
}
@Override
protected void onDestroy() {
LibraryInstance = null;
@ -150,6 +151,8 @@ public class LibraryActivity extends BaseActivity implements MenuItem.OnMenuItem
} else {
UIUtil.showErrorMessage(this, "bookNotFound");
}
} else {
super.onNewIntent(intent);
}
}

4
src/org/geometerplus/android/fbreader/network/ItemsLoadingService.java
View file

@ -42,7 +42,7 @@ public class ItemsLoadingService extends Service {
if (doDownload) {
context.startService(
new Intent(context.getApplicationContext(), ItemsLoadingService.class)
.putExtra(Util.TREE_KEY_KEY, tree.getUniqueKey())
.putExtra(NetworkBaseActivity.TREE_KEY_KEY, tree.getUniqueKey())
);
}
}
@ -89,7 +89,7 @@ public class ItemsLoadingService extends Service {
doStop();
return;
}
intent.removeExtra(Util.TREE_KEY_KEY);
intent.removeExtra(NetworkBaseActivity.TREE_KEY_KEY);
if (!NetworkView.Instance().isInitialized()) {
doStop();

6
src/org/geometerplus/android/fbreader/network/NetworkBaseActivity.java
View file

@ -66,6 +66,12 @@ public class NetworkBaseActivity extends BaseActivity implements NetworkView.Eve
private volatile boolean myInProgress;
@Override
protected FBTree getTreeByKey(FBTree.Key key) {
final NetworkLibrary library = NetworkLibrary.Instance();
return key != null ? library.getTreeByKey(key) : library.getRootTree();
}
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);

6
src/org/geometerplus/android/fbreader/network/Util.java
View file

@ -239,20 +239,18 @@ abstract class Util implements UserRegistrationConstants {
}
}
static final String TREE_KEY_KEY = "org.geometerplus.android.fbreader.network.TreeKey";
static void openTree(Context context, NetworkTree tree) {
final Class<?> clz = tree instanceof NetworkBookTree
? NetworkBookInfoActivity.class : NetworkBaseActivity.class;
context.startActivity(
new Intent(context.getApplicationContext(), clz)
.putExtra(TREE_KEY_KEY, tree.getUniqueKey())
.putExtra(NetworkBaseActivity.TREE_KEY_KEY, tree.getUniqueKey())
);
}
public static NetworkTree getTreeFromIntent(Intent intent) {
final NetworkLibrary library = NetworkLibrary.Instance();
final NetworkTree.Key key = (NetworkTree.Key)intent.getSerializableExtra(TREE_KEY_KEY);
final NetworkTree.Key key = (NetworkTree.Key)intent.getSerializableExtra(NetworkBaseActivity.TREE_KEY_KEY);
return library.getTreeByKey(key);
}
}

52
src/org/geometerplus/android/fbreader/tree/BaseActivity.java
View file

@ -30,6 +30,11 @@ import org.geometerplus.android.util.UIUtil;
import org.geometerplus.fbreader.tree.FBTree;
public abstract class BaseActivity extends ListActivity {
private static final String OPEN_TREE_ACTION = "org.fbreader.intent.OPEN_TREE";
public static final String TREE_KEY_KEY = "TreeKey";
public static final String SELECTED_TREE_KEY_KEY = "SelectedTreeKey";
private FBTree myCurrentTree;
@Override
@ -62,9 +67,7 @@ public abstract class BaseActivity extends ListActivity {
}
if (keyCode == KeyEvent.KEYCODE_BACK && myCurrentTree.Parent != null) {
final FBTree oldTree = myCurrentTree;
openTree(myCurrentTree.Parent);
setSelection(getListAdapter().getIndex(oldTree));
openTree(myCurrentTree.Parent, myCurrentTree);
return true;
} else {
return super.onKeyDown(keyCode, event);
@ -72,6 +75,10 @@ public abstract class BaseActivity extends ListActivity {
}
protected void openTree(final FBTree tree) {
openTree(tree, null);
}
protected void openTree(final FBTree tree, final FBTree treeToSelect) {
switch (tree.getOpeningStatus()) {
case WAIT_FOR_OPEN:
case ALWAYS_RELOAD_BEFORE_OPENING:
@ -86,29 +93,52 @@ public abstract class BaseActivity extends ListActivity {
},
new Runnable() {
public void run() {
openTreeInternal(tree);
openTreeInternal(tree, treeToSelect);
}
}
);
} else {
tree.waitForOpening();
openTreeInternal(tree);
openTreeInternal(tree, treeToSelect);
}
break;
default:
openTreeInternal(tree);
openTreeInternal(tree, treeToSelect);
break;
}
}
private void openTreeInternal(FBTree tree) {
protected abstract FBTree getTreeByKey(FBTree.Key key);
@Override
protected void onNewIntent(Intent intent) {
if (OPEN_TREE_ACTION.equals(intent.getAction())) {
final FBTree.Key key = (FBTree.Key)intent.getSerializableExtra(TREE_KEY_KEY);
final FBTree.Key selectedKey = (FBTree.Key)intent.getSerializableExtra(SELECTED_TREE_KEY_KEY);
myCurrentTree = getTreeByKey(key);
final ListAdapter adapter = getListAdapter();
adapter.replaceAll(myCurrentTree.subTrees());
setTitle(myCurrentTree.getTreeTitle());
final FBTree selectedTree =
selectedKey != null ? getTreeByKey(selectedKey) : adapter.getFirstSelectedItem();
setSelection(adapter.getIndex(selectedTree));
} else {
super.onNewIntent(intent);
}
}
private void openTreeInternal(FBTree tree, FBTree treeToSelect) {
switch (tree.getOpeningStatus()) {
case READY_TO_OPEN:
case ALWAYS_RELOAD_BEFORE_OPENING:
myCurrentTree = tree;
getListAdapter().replaceAll(myCurrentTree.subTrees());
setTitle(myCurrentTree.getTreeTitle());
setSelection(getListAdapter().getFirstSelectedItemIndex());
startActivity(new Intent(this, getClass())
.setAction(OPEN_TREE_ACTION)
.putExtra(TREE_KEY_KEY, tree.getUniqueKey())
.putExtra(
SELECTED_TREE_KEY_KEY,
treeToSelect != null ? treeToSelect.getUniqueKey() : null
)
);
break;
case CANNOT_OPEN:
UIUtil.showErrorMessage(BaseActivity.this, tree.getOpeningStatusMessage());

10
src/org/geometerplus/android/fbreader/tree/ListAdapter.java
View file

@ -95,16 +95,14 @@ public abstract class ListAdapter extends BaseAdapter {
return myItems.indexOf(item);
}
public int getFirstSelectedItemIndex() {
int index = 0;
public FBTree getFirstSelectedItem() {
synchronized (myItems) {
for (FBTree t : myItems) {
if (myActivity.isTreeSelected(t)) {
return index;
}
++index;
return t;
}
}
return -1;
}
return null;
}
}