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-rw-r--r--src/com/android/launcher3/PagedViewIcon.java134
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diff --git a/src/com/android/launcher3/PagedViewIcon.java b/src/com/android/launcher3/PagedViewIcon.java
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+/*
+ * 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.graphics.Canvas;
+import android.graphics.Region;
+import android.graphics.drawable.Drawable;
+import android.util.AttributeSet;
+import android.util.TypedValue;
+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";
+ 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 onFinishInflate() {
+ super.onFinishInflate();
+
+ // Ensure we are using the right text size
+ LauncherAppState app = LauncherAppState.getInstance();
+ DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
+ setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.allAppsIconTextSizePx);
+ }
+
+ public void applyFromApplicationInfo(AppInfo info, boolean scaleUp,
+ PagedViewIcon.PressedCallback cb) {
+ LauncherAppState app = LauncherAppState.getInstance();
+ DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
+
+ mIcon = info.iconBitmap;
+ mPressedCallback = cb;
+ Drawable icon = Utilities.createIconDrawable(mIcon);
+ icon.setBounds(0, 0, grid.allAppsIconSizePx, grid.allAppsIconSizePx);
+ setCompoundDrawables(null, icon, null, null);
+ setCompoundDrawablePadding(grid.iconDrawablePaddingPx);
+ 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);
+ }
+ }
+
+ @Override
+ public void draw(Canvas canvas) {
+ // If text is transparent, don't draw any shadow
+ if (getCurrentTextColor() == getResources().getColor(android.R.color.transparent)) {
+ getPaint().clearShadowLayer();
+ super.draw(canvas);
+ return;
+ }
+
+ // We enhance the shadow by drawing the shadow twice
+ getPaint().setShadowLayer(BubbleTextView.SHADOW_LARGE_RADIUS, 0.0f,
+ BubbleTextView.SHADOW_Y_OFFSET, BubbleTextView.SHADOW_LARGE_COLOUR);
+ super.draw(canvas);
+ canvas.save(Canvas.CLIP_SAVE_FLAG);
+ canvas.clipRect(getScrollX(), getScrollY() + getExtendedPaddingTop(),
+ getScrollX() + getWidth(),
+ getScrollY() + getHeight(), Region.Op.INTERSECT);
+ getPaint().setShadowLayer(BubbleTextView.SHADOW_SMALL_RADIUS, 0.0f, 0.0f,
+ BubbleTextView.SHADOW_SMALL_COLOUR);
+ super.draw(canvas);
+ canvas.restore();
+ }
+}