1 files changed, 134 insertions, 0 deletions
diff --git a/src/com/android/launcher2/LiveFolder.java b/src/com/android/launcher2/LiveFolder.java
new file mode 100644
index 000000000..44a283e09
--- /dev/null
+++ b/src/com/android/launcher2/LiveFolder.java
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 2008 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.launcher;
+
+import android.content.Context;
+import android.content.Intent;
+import android.util.AttributeSet;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.AdapterView;
+import android.net.Uri;
+import android.provider.LiveFolders;
+import android.os.AsyncTask;
+import android.database.Cursor;
+
+import java.lang.ref.WeakReference;
+
+public class LiveFolder extends Folder {
+    private AsyncTask<LiveFolderInfo,Void,Cursor> mLoadingTask;
+
+    public LiveFolder(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    static LiveFolder fromXml(Context context, FolderInfo folderInfo) {
+        final int layout = isDisplayModeList(folderInfo) ?
+                R.layout.live_folder_list : R.layout.live_folder_grid;
+        return (LiveFolder) LayoutInflater.from(context).inflate(layout, null);
+    }
+
+    private static boolean isDisplayModeList(FolderInfo folderInfo) {
+        return ((LiveFolderInfo) folderInfo).displayMode ==
+                LiveFolders.DISPLAY_MODE_LIST;
+    }
+
+    @Override
+    public void onItemClick(AdapterView parent, View v, int position, long id) {
+        LiveFolderAdapter.ViewHolder holder = (LiveFolderAdapter.ViewHolder) v.getTag();
+
+        if (holder.useBaseIntent) {
+            final Intent baseIntent = ((LiveFolderInfo) mInfo).baseIntent;
+            if (baseIntent != null) {
+                final Intent intent = new Intent(baseIntent);
+                Uri uri = baseIntent.getData();
+                uri = uri.buildUpon().appendPath(Long.toString(holder.id)).build();
+                intent.setData(uri);
+                mLauncher.startActivitySafely(intent);
+            }
+        } else if (holder.intent != null) {
+            mLauncher.startActivitySafely(holder.intent);
+        }
+    }
+
+    @Override
+    public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+        return false;
+    }
+
+    void bind(FolderInfo info) {
+        super.bind(info);
+        if (mLoadingTask != null && mLoadingTask.getStatus() == AsyncTask.Status.RUNNING) {
+            mLoadingTask.cancel(true);
+        }
+        mLoadingTask = new FolderLoadingTask(this).execute((LiveFolderInfo) info);
+    }
+
+    @Override
+    void onOpen() {
+        super.onOpen();
+        requestFocus();
+    }
+
+    @Override
+    void onClose() {
+        super.onClose();
+        if (mLoadingTask != null && mLoadingTask.getStatus() == AsyncTask.Status.RUNNING) {
+            mLoadingTask.cancel(true);
+        }
+
+        // The adapter can be null if onClose() is called before FolderLoadingTask
+        // is done querying the provider
+        final LiveFolderAdapter adapter = (LiveFolderAdapter) mContent.getAdapter();
+        if (adapter != null) {
+            adapter.cleanup();
+        }
+    }
+
+    static class FolderLoadingTask extends AsyncTask<LiveFolderInfo, Void, Cursor> {
+        private final WeakReference<LiveFolder> mFolder;
+        private LiveFolderInfo mInfo;
+
+        FolderLoadingTask(LiveFolder folder) {
+            mFolder = new WeakReference<LiveFolder>(folder);
+        }
+
+        protected Cursor doInBackground(LiveFolderInfo... params) {
+            final LiveFolder folder = mFolder.get();
+            if (folder != null) {
+                mInfo = params[0];
+                return LiveFolderAdapter.query(folder.mLauncher, mInfo);
+            }
+            return null;
+        }
+
+        @Override
+        protected void onPostExecute(Cursor cursor) {
+            if (!isCancelled()) {
+                if (cursor != null) {
+                    final LiveFolder folder = mFolder.get();
+                    if (folder != null) {
+                        final Launcher launcher = folder.mLauncher;
+                        folder.setContentAdapter(new LiveFolderAdapter(launcher, mInfo, cursor));
+                    }
+                }
+            } else if (cursor != null) {
+                cursor.close();
+            }
+        }
+    }
+}