1 files changed, 92 insertions, 0 deletions
diff --git a/src/com/android/launcher3/PagedViewIcon.java b/src/com/android/launcher3/PagedViewIcon.java
new file mode 100644
index 000000000..73f62d60e
--- /dev/null
+++ b/src/com/android/launcher3/PagedViewIcon.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2010 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.launcher3;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.util.AttributeSet;
+import android.widget.TextView;
+
+/**
+ * An icon on a PagedView, specifically for items in the launcher's paged view (with compound
+ * drawables on the top).
+ */
+public class PagedViewIcon extends TextView {
+    /** A simple callback interface to allow a PagedViewIcon to notify when it has been pressed */
+    public static interface PressedCallback {
+        void iconPressed(PagedViewIcon icon);
+    }
+
+    @SuppressWarnings("unused")
+    private static final String TAG = "PagedViewIcon";
+    private static final float PRESS_ALPHA = 0.4f;
+
+    private PagedViewIcon.PressedCallback mPressedCallback;
+    private boolean mLockDrawableState = false;
+
+    private Bitmap mIcon;
+
+    public PagedViewIcon(Context context) {
+        this(context, null);
+    }
+
+    public PagedViewIcon(Context context, AttributeSet attrs) {
+        this(context, attrs, 0);
+    }
+
+    public PagedViewIcon(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+    }
+
+    public void applyFromApplicationInfo(ApplicationInfo info, boolean scaleUp,
+            PagedViewIcon.PressedCallback cb) {
+        mIcon = info.iconBitmap;
+        mPressedCallback = cb;
+        setCompoundDrawablesWithIntrinsicBounds(null, new FastBitmapDrawable(mIcon), null, null);
+        setText(info.title);
+        setTag(info);
+    }
+
+    public void lockDrawableState() {
+        mLockDrawableState = true;
+    }
+
+    public void resetDrawableState() {
+        mLockDrawableState = false;
+        post(new Runnable() {
+            @Override
+            public void run() {
+                refreshDrawableState();
+            }
+        });
+    }
+
+    protected void drawableStateChanged() {
+        super.drawableStateChanged();
+
+        // We keep in the pressed state until resetDrawableState() is called to reset the press
+        // feedback
+        if (isPressed()) {
+            setAlpha(PRESS_ALPHA);
+            if (mPressedCallback != null) {
+                mPressedCallback.iconPressed(this);
+            }
+        } else if (!mLockDrawableState) {
+            setAlpha(1f);
+        }
+    }
+}