Improve Gallery Detail

app/src/main/java/com/hippo/drawable/WrapDrawable.java

@@ -0,0 +1,143 @@
+/*
+ * Copyright 2015 Hippo Seven
+ *
+ * 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.hippo.drawable;
+
+import android.graphics.Canvas;
+import android.graphics.ColorFilter;
+import android.graphics.PixelFormat;
+import android.graphics.Rect;
+import android.graphics.drawable.Drawable;
+
+public class WrapDrawable extends Drawable {
+
+    private Drawable mDrawable;
+
+    public void setDrawable(Drawable drawable) {
+        mDrawable = drawable;
+    }
+
+    public Drawable getDrawable() {
+        return mDrawable;
+    }
+
+    public void updateBounds() {
+        setBounds(0, 0, getIntrinsicWidth(), getIntrinsicHeight());
+    }
+
+    @Override
+    public void draw(Canvas canvas) {
+        if (mDrawable != null) {
+            mDrawable.draw(canvas);
+        }
+    }
+
+    @Override
+    public void setBounds(int left, int top, int right, int bottom) {
+        super.setBounds(left, top, right, bottom);
+
+        if (mDrawable != null) {
+            mDrawable.setBounds(left, top, right, bottom);
+        }
+    }
+
+    @Override
+    public void setBounds(Rect bounds) {
+        super.setBounds(bounds);
+
+        if (mDrawable != null) {
+            mDrawable.setBounds(bounds);
+        }
+    }
+
+    @Override
+    public void setChangingConfigurations(int configs) {
+        super.setChangingConfigurations(configs);
+
+        if (mDrawable != null) {
+            mDrawable.setChangingConfigurations(configs);
+        }
+    }
+
+    @Override
+    public int getChangingConfigurations() {
+        if (mDrawable != null) {
+            return mDrawable.getChangingConfigurations();
+        } else {
+            return super.getChangingConfigurations();
+        }
+    }
+
+    @Override
+    public void setDither(boolean dither) {
+        super.setDither(dither);
+
+        if (mDrawable != null) {
+            mDrawable.setDither(dither);
+        }
+    }
+
+    @Override
+    public void setFilterBitmap(boolean filter) {
+        super.setFilterBitmap(filter);
+
+        if (mDrawable != null) {
+            mDrawable.setFilterBitmap(filter);
+        }
+    }
+
+
+    @Override
+    public void setAlpha(int alpha) {
+        if (mDrawable != null) {
+            mDrawable.setAlpha(alpha);
+        }
+    }
+
+    @Override
+    public void setColorFilter(ColorFilter cf) {
+        if (mDrawable != null) {
+            mDrawable.setColorFilter(cf);
+        }
+    }
+
+    @Override
+    public int getOpacity() {
+        if (mDrawable != null) {
+            return mDrawable.getOpacity();
+        } else {
+            return PixelFormat.UNKNOWN;
+        }
+    }
+
+    @Override
+    public int getIntrinsicWidth() {
+        if (mDrawable != null) {
+            return mDrawable.getIntrinsicWidth();
+        } else {
+            return super.getIntrinsicWidth();
+        }
+    }
+
+    @Override
+    public int getIntrinsicHeight() {
+        if (mDrawable != null) {
+            return mDrawable.getIntrinsicHeight();
+        } else {
+            return super.getIntrinsicHeight();
+        }
+    }
+}