Upstream ResourceManager

ui/android/java/src/org/chromium/ui/resources/dynamics/BitmapDynamicResource.java

Index: ui/android/java/src/org/chromium/ui/resources/dynamics/BitmapDynamicResource.java
diff --git a/ui/android/java/src/org/chromium/ui/resources/dynamics/BitmapDynamicResource.java b/ui/android/java/src/org/chromium/ui/resources/dynamics/BitmapDynamicResource.java
new file mode 100644
index 0000000000000000000000000000000000000000..4d5b5011d3a2799b49323facc6136bf4de85b03a
--- /dev/null
+++ b/ui/android/java/src/org/chromium/ui/resources/dynamics/BitmapDynamicResource.java
@@ -0,0 +1,66 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.ui.resources.dynamics;
+
+import android.graphics.Bitmap;
+import android.graphics.Rect;
+
+/**
+ * A basic implementation of {@link DynamicResource} to handle updatable bitmaps.
+ */
+public class BitmapDynamicResource implements DynamicResource {
+    private static final Rect EMPTY_RECT = new Rect();
+
+    private final int mResId;
+    private Bitmap mBitmap;
+    private final Rect mSize = new Rect();
+    private boolean mIsDirty = true;
+
+    public BitmapDynamicResource(int resourceId) {
+        mResId = resourceId;
+    }
+
+    /**
+     * @return A unique id for this resource.
+     */
+    public int getResId() {
+        return mResId;
+    }
+
+    /**
+     * @param bitmap A bitmap to update this resource.
+     */
+    public void setBitmap(Bitmap bitmap) {
+        mIsDirty = true;
+        mBitmap = bitmap;
+        mSize.set(0, 0, mBitmap.getWidth(), mBitmap.getHeight());
+    }
+
+    @Override
+    public Bitmap getBitmap() {
+        mIsDirty = false;
+        return mBitmap;
+    }
+
+    @Override
+    public Rect getBitmapSize() {
+        return mSize;
+    }
+
+    @Override
+    public Rect getPadding() {
+        return EMPTY_RECT;
+    }
+
+    @Override
+    public Rect getAperture() {
+        return EMPTY_RECT;
+    }
+
+    @Override
+    public boolean isDirty() {
+        return mIsDirty;
+    }
+}