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Diffstat (limited to 'src/com/android/gallery3d/ui/ScrollBarView.java')
-rw-r--r--src/com/android/gallery3d/ui/ScrollBarView.java97
1 files changed, 0 insertions, 97 deletions
diff --git a/src/com/android/gallery3d/ui/ScrollBarView.java b/src/com/android/gallery3d/ui/ScrollBarView.java
deleted file mode 100644
index 34fbcef7a..000000000
--- a/src/com/android/gallery3d/ui/ScrollBarView.java
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * 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.gallery3d.ui;
-
-import android.content.Context;
-import android.graphics.Rect;
-import android.util.TypedValue;
-
-import com.android.gallery3d.glrenderer.GLCanvas;
-import com.android.gallery3d.glrenderer.NinePatchTexture;
-
-public class ScrollBarView extends GLView {
- @SuppressWarnings("unused")
- private static final String TAG = "ScrollBarView";
-
- private int mBarHeight;
-
- private int mGripHeight;
- private int mGripPosition; // left side of the grip
- private int mGripWidth; // zero if the grip is disabled
- private int mGivenGripWidth;
-
- private int mContentPosition;
- private int mContentTotal;
-
- private NinePatchTexture mScrollBarTexture;
-
- public ScrollBarView(Context context, int gripHeight, int gripWidth) {
- TypedValue outValue = new TypedValue();
- context.getTheme().resolveAttribute(
- android.R.attr.scrollbarThumbHorizontal, outValue, true);
- mScrollBarTexture = new NinePatchTexture(
- context, outValue.resourceId);
- mGripPosition = 0;
- mGripWidth = 0;
- mGivenGripWidth = gripWidth;
- mGripHeight = gripHeight;
- }
-
- @Override
- protected void onLayout(
- boolean changed, int left, int top, int right, int bottom) {
- if (!changed) return;
- mBarHeight = bottom - top;
- }
-
- // The content position is between 0 to "total". The current position is
- // in "position".
- public void setContentPosition(int position, int total) {
- if (position == mContentPosition && total == mContentTotal) {
- return;
- }
-
- invalidate();
-
- mContentPosition = position;
- mContentTotal = total;
-
- // If the grip cannot move, don't draw it.
- if (mContentTotal <= 0) {
- mGripPosition = 0;
- mGripWidth = 0;
- return;
- }
-
- // Map from the content range to scroll bar range.
- //
- // mContentTotal --> getWidth() - mGripWidth
- // mContentPosition --> mGripPosition
- mGripWidth = mGivenGripWidth;
- float r = (getWidth() - mGripWidth) / (float) mContentTotal;
- mGripPosition = Math.round(r * mContentPosition);
- }
-
- @Override
- protected void render(GLCanvas canvas) {
- super.render(canvas);
- if (mGripWidth == 0) return;
- Rect b = bounds();
- int y = (mBarHeight - mGripHeight) / 2;
- mScrollBarTexture.draw(canvas, mGripPosition, y, mGripWidth, mGripHeight);
- }
-}