1 files changed, 194 insertions, 0 deletions
diff --git a/src/com/cyanogenmod/trebuchet/PagedViewIcon.java b/src/com/cyanogenmod/trebuchet/PagedViewIcon.java
new file mode 100644
index 000000000..11de20550
--- /dev/null
+++ b/src/com/cyanogenmod/trebuchet/PagedViewIcon.java
@@ -0,0 +1,194 @@
+/*
+ * 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.cyanogenmod.trebuchet;
+
+import android.animation.ObjectAnimator;
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.widget.Checkable;
+import android.widget.TextView;
+
+import com.cyanogenmod.trebuchet.R;
+
+
+/**
+ * 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 implements Checkable {
+    private static final String TAG = "PagedViewIcon";
+
+    // holographic outline
+    private final Paint mPaint = new Paint();
+    private Bitmap mCheckedOutline;
+    private Bitmap mHolographicOutline;
+    private Bitmap mIcon;
+
+    private int mAlpha = 255;
+    private int mHolographicAlpha;
+
+    private boolean mIsChecked;
+    private ObjectAnimator mCheckedAlphaAnimator;
+    private float mCheckedAlpha = 1.0f;
+    private int mCheckedFadeInDuration;
+    private int mCheckedFadeOutDuration;
+
+    HolographicPagedViewIcon mHolographicOutlineView;
+    private HolographicOutlineHelper mHolographicOutlineHelper;
+
+    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);
+
+        // Set up fade in/out constants
+        final Resources r = context.getResources();
+        final int alpha = r.getInteger(R.integer.config_dragAppsCustomizeIconFadeAlpha);
+        if (alpha > 0) {
+            mCheckedAlpha = r.getInteger(R.integer.config_dragAppsCustomizeIconFadeAlpha) / 256.0f;
+            mCheckedFadeInDuration =
+                r.getInteger(R.integer.config_dragAppsCustomizeIconFadeInDuration);
+            mCheckedFadeOutDuration =
+                r.getInteger(R.integer.config_dragAppsCustomizeIconFadeOutDuration);
+        }
+
+        mHolographicOutlineView = new HolographicPagedViewIcon(context, this);
+    }
+
+    protected HolographicPagedViewIcon getHolographicOutlineView() {
+        return mHolographicOutlineView;
+    }
+
+    protected Bitmap getHolographicOutline() {
+        return mHolographicOutline;
+    }
+
+    public void applyFromApplicationInfo(ApplicationInfo info, boolean scaleUp,
+            HolographicOutlineHelper holoOutlineHelper) {
+        mHolographicOutlineHelper = holoOutlineHelper;
+        mIcon = info.iconBitmap;
+        setCompoundDrawablesWithIntrinsicBounds(null, new FastBitmapDrawable(mIcon), null, null);
+        setText(info.title);
+        setTag(info);
+    }
+
+    public void setHolographicOutline(Bitmap holoOutline) {
+        mHolographicOutline = holoOutline;
+        getHolographicOutlineView().invalidate();
+    }
+
+    @Override
+    public void setAlpha(float alpha) {
+        final float viewAlpha = HolographicOutlineHelper.viewAlphaInterpolator(alpha);
+        final float holographicAlpha = HolographicOutlineHelper.highlightAlphaInterpolator(alpha);
+        int newViewAlpha = (int) (viewAlpha * 255);
+        int newHolographicAlpha = (int) (holographicAlpha * 255);
+        if ((mAlpha != newViewAlpha) || (mHolographicAlpha != newHolographicAlpha)) {
+            mAlpha = newViewAlpha;
+            mHolographicAlpha = newHolographicAlpha;
+            super.setAlpha(viewAlpha);
+        }
+    }
+
+    public void invalidateCheckedImage() {
+        if (mCheckedOutline != null) {
+            mCheckedOutline.recycle();
+            mCheckedOutline = null;
+        }
+    }
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        if (mAlpha > 0) {
+            super.onDraw(canvas);
+        }
+
+        Bitmap overlay = null;
+
+        // draw any blended overlays
+        if (mCheckedOutline != null) {
+            mPaint.setAlpha(255);
+            overlay = mCheckedOutline;
+        }
+
+        if (overlay != null) {
+            final int offset = getScrollX();
+            final int compoundPaddingLeft = getCompoundPaddingLeft();
+            final int compoundPaddingRight = getCompoundPaddingRight();
+            int hspace = getWidth() - compoundPaddingRight - compoundPaddingLeft;
+            canvas.drawBitmap(overlay,
+                    offset + compoundPaddingLeft + (hspace - overlay.getWidth()) / 2,
+                    mPaddingTop,
+                    mPaint);
+        }
+    }
+
+    @Override
+    public boolean isChecked() {
+        return mIsChecked;
+    }
+
+    void setChecked(boolean checked, boolean animate) {
+        if (mIsChecked != checked) {
+            mIsChecked = checked;
+
+            float alpha;
+            int duration;
+            if (mIsChecked) {
+                alpha = mCheckedAlpha;
+                duration = mCheckedFadeInDuration;
+            } else {
+                alpha = 1.0f;
+                duration = mCheckedFadeOutDuration;
+            }
+
+            // Initialize the animator
+            if (mCheckedAlphaAnimator != null) {
+                mCheckedAlphaAnimator.cancel();
+            }
+            if (animate) {
+                mCheckedAlphaAnimator = ObjectAnimator.ofFloat(this, "alpha", getAlpha(), alpha);
+                mCheckedAlphaAnimator.setDuration(duration);
+                mCheckedAlphaAnimator.start();
+            } else {
+                setAlpha(alpha);
+            }
+
+            invalidate();
+        }
+    }
+
+    @Override
+    public void setChecked(boolean checked) {
+        setChecked(checked, true);
+    }
+
+    @Override
+    public void toggle() {
+        setChecked(!mIsChecked);
+    }
+}