summaryrefslogtreecommitdiffstats
path: root/src/com/android/launcher3/HolographicViewHelper.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/com/android/launcher3/HolographicViewHelper.java')
-rw-r--r--src/com/android/launcher3/HolographicViewHelper.java109
1 files changed, 0 insertions, 109 deletions
diff --git a/src/com/android/launcher3/HolographicViewHelper.java b/src/com/android/launcher3/HolographicViewHelper.java
deleted file mode 100644
index 7ef035555..000000000
--- a/src/com/android/launcher3/HolographicViewHelper.java
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Copyright (C) 2011 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.content.res.Resources;
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.PorterDuff;
-import android.graphics.drawable.Drawable;
-import android.graphics.drawable.StateListDrawable;
-import android.widget.ImageView;
-
-public class HolographicViewHelper {
-
- private final Canvas mTempCanvas = new Canvas();
-
- private boolean mStatesUpdated;
- private int mHighlightColor, mHotwordColor;
-
- public HolographicViewHelper(Context context) {
- Resources res = context.getResources();
- mHighlightColor = res.getColor(android.R.color.holo_blue_light);
- mHotwordColor = res.getColor(android.R.color.holo_green_light);
- }
-
- /**
- * Generate the pressed/focused states if necessary.
- */
- void generatePressedFocusedStates(ImageView v) {
- if (!mStatesUpdated && v != null) {
- mStatesUpdated = true;
- Bitmap original = createOriginalImage(v, mTempCanvas);
- Bitmap outline = createImageWithOverlay(v, mTempCanvas, mHighlightColor);
- Bitmap hotword = createImageWithOverlay(v, mTempCanvas, mHotwordColor);
- FastBitmapDrawable originalD = new FastBitmapDrawable(original);
- FastBitmapDrawable outlineD = new FastBitmapDrawable(outline);
- FastBitmapDrawable hotwordD = new FastBitmapDrawable(hotword);
-
- StateListDrawable states = new StateListDrawable();
-
- states.addState(new int[] {android.R.attr.state_pressed}, outlineD);
- states.addState(new int[] {android.R.attr.state_focused}, outlineD);
- states.addState(new int[] {R.attr.stateHotwordOn}, hotwordD);
- states.addState(new int[] {}, originalD);
- v.setImageDrawable(states);
- }
- }
-
- /**
- * Invalidates the pressed/focused states.
- */
- void invalidatePressedFocusedStates(ImageView v) {
- mStatesUpdated = false;
- if (v != null) {
- v.invalidate();
- }
- }
-
- /**
- * Creates a copy of the original image.
- */
- private Bitmap createOriginalImage(ImageView v, Canvas canvas) {
- final Drawable d = v.getDrawable();
- final Bitmap b = Bitmap.createBitmap(
- d.getIntrinsicWidth(), d.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
-
- canvas.setBitmap(b);
- canvas.save();
- d.draw(canvas);
- canvas.restore();
- canvas.setBitmap(null);
-
- return b;
- }
-
- /**
- * Creates a new press state image which is the old image with a blue overlay.
- * Responsibility for the bitmap is transferred to the caller.
- */
- private Bitmap createImageWithOverlay(ImageView v, Canvas canvas, int color) {
- final Drawable d = v.getDrawable();
- final Bitmap b = Bitmap.createBitmap(
- d.getIntrinsicWidth(), d.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
-
- canvas.setBitmap(b);
- canvas.save();
- d.draw(canvas);
- canvas.restore();
- canvas.drawColor(color, PorterDuff.Mode.SRC_IN);
- canvas.setBitmap(null);
-
- return b;
- }
-}