Initial Contribution

1 files changed, 148 insertions, 0 deletions

diff --git a/src/com/android/launcher/Folder.java b/src/com/android/launcher/Folder.java
new file mode 100644
index 000000000..1a91eb134
--- /dev/null
+++ b/src/com/android/launcher/Folder.java
@@ -0,0 +1,148 @@
+/*
+ * 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.util.AttributeSet;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.widget.AdapterView;
+import android.widget.ArrayAdapter;
+import android.widget.Button;
+import android.widget.GridView;
+import android.widget.LinearLayout;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.AdapterView.OnItemLongClickListener;
+
+/**
+ * Represents a set of icons chosen by the user or generated by the system.
+ */
+public class Folder extends LinearLayout implements DragSource, OnItemLongClickListener,
+        OnItemClickListener, OnClickListener, View.OnLongClickListener {
+
+    protected GridView mContent;
+    protected DragController mDragger;
+    
+    protected Launcher mLauncher;
+
+    protected Button mCloseButton;
+    
+    protected FolderInfo mInfo;
+    
+    /**
+     * Which item is being dragged
+     */
+    protected ApplicationInfo mDragItem;
+    private boolean mCloneInfo;
+
+    /**
+     * Used to inflate the Workspace from XML.
+     *
+     * @param context The application's context.
+     * @param attrs The attribtues set containing the Workspace's customization values.
+     */
+    public Folder(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        setAlwaysDrawnWithCacheEnabled(false);
+    }
+
+    @Override
+    protected void onFinishInflate() {
+        super.onFinishInflate();
+
+        mContent = (GridView) findViewById(R.id.content);
+        mContent.setOnItemClickListener(this);
+        mContent.setOnItemLongClickListener(this);
+        
+        mCloseButton = (Button) findViewById(R.id.close);
+        mCloseButton.setOnClickListener(this);
+        mCloseButton.setOnLongClickListener(this);
+    }
+    
+    public void onItemClick(AdapterView parent, View v, int position, long id) {
+        ApplicationInfo app = (ApplicationInfo) parent.getItemAtPosition(position);
+        mLauncher.startActivitySafely(app.intent);
+    }
+
+    public void onClick(View v) {
+        mLauncher.closeFolder(this);
+    }
+
+    public boolean onLongClick(View v) {
+        return false;
+    }
+
+    public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
+        if (!view.isInTouchMode()) {
+            return false;
+        }
+
+        ApplicationInfo app = (ApplicationInfo) parent.getItemAtPosition(position);
+        if (mCloneInfo) {
+            app = new ApplicationInfo(app);
+        }
+
+        mDragger.startDrag(view, this, app, DragController.DRAG_ACTION_COPY);
+        mLauncher.closeFolder(this);
+        mDragItem = app;
+
+        return true;
+    }
+
+    void setCloneInfo(boolean cloneInfo) {
+        mCloneInfo = cloneInfo;
+    }
+
+    public void setDragger(DragController dragger) {
+        mDragger = dragger;
+    }
+
+    public void onDropCompleted(View target, boolean success) {
+    }
+
+    /**
+     * Sets the adapter used to populate the content area. The adapter must only
+     * contains ApplicationInfo items.
+     *
+     * @param adapter The list of applications to display in the folder.
+     */
+    void setContentAdapter(ArrayAdapter<ApplicationInfo> adapter) {
+        mContent.setAdapter(adapter);
+    }
+
+    void setLauncher(Launcher launcher) {
+        mLauncher = launcher;
+    }
+    
+    /**
+     * @return the FolderInfo object associated with this folder
+     */
+    FolderInfo getInfo() {
+        return mInfo;
+    }
+
+    // When the folder opens, we need to refresh the GridView's selection by
+    // forcing a layout
+    void onOpen() {
+        mContent.requestLayout();
+    }
+
+    void onClose() {
+        final Workspace workspace = mLauncher.getWorkspace();
+        workspace.getChildAt(workspace.getCurrentScreen()).requestFocus();
+    }
+}