Index: chrome/android/java_staging/src/org/chromium/chrome/browser/widget/ViewResourceFrameLayout.java |
diff --git a/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/ViewResourceFrameLayout.java b/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/ViewResourceFrameLayout.java |
new file mode 100644 |
index 0000000000000000000000000000000000000000..e891d9159f8343a843b9c99c7cfb1b590c845790 |
--- /dev/null |
+++ b/chrome/android/java_staging/src/org/chromium/chrome/browser/widget/ViewResourceFrameLayout.java |
@@ -0,0 +1,69 @@ |
+// Copyright 2015 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.chrome.browser.widget; |
+ |
+import android.content.Context; |
+import android.graphics.Rect; |
+import android.util.AttributeSet; |
+import android.view.View; |
+import android.view.ViewParent; |
+import android.widget.FrameLayout; |
+ |
+import org.chromium.ui.resources.dynamics.ViewResourceAdapter; |
+ |
+/** |
+ * Extension to FrameLayout that handles tracking the necessary invalidates to generate |
+ * a corresponding {@link org.chromium.ui.resources.Resource} for use in the browser compositor. |
+ */ |
+public class ViewResourceFrameLayout extends FrameLayout { |
+ private ViewResourceAdapter mResourceAdapter; |
+ |
+ /** |
+ * Constructs a ViewResourceFrameLayout. |
+ * <p> |
+ * This constructor is used when inflating from XML. |
+ * |
+ * @param context The context used to build this view. |
+ * @param attrs The attributes used to determine how to construct this view. |
+ */ |
+ public ViewResourceFrameLayout(Context context, AttributeSet attrs) { |
+ super(context, attrs); |
+ } |
+ |
+ @Override |
+ protected void onFinishInflate() { |
+ super.onFinishInflate(); |
+ |
+ mResourceAdapter = createResourceAdapter(); |
+ } |
+ |
+ /** |
+ * @return A {@link ViewResourceAdapter} instance. This can be overridden for custom behavior. |
+ */ |
+ protected ViewResourceAdapter createResourceAdapter() { |
+ return new ViewResourceAdapter(this); |
+ } |
+ |
+ /** |
+ * @return The {@link ViewResourceAdapter} that exposes this {@link View} as a CC resource. |
+ */ |
+ public ViewResourceAdapter getResourceAdapter() { |
+ return mResourceAdapter; |
+ } |
+ |
+ /** |
+ * @return Whether the control container is ready for capturing snapshots. |
+ */ |
+ protected boolean isReadyForCapture() { |
+ return true; |
+ } |
+ |
+ @Override |
+ public ViewParent invalidateChildInParent(int[] location, Rect dirty) { |
+ ViewParent retVal = super.invalidateChildInParent(location, dirty); |
+ if (isReadyForCapture()) mResourceAdapter.invalidate(dirty); |
+ return retVal; |
+ } |
+} |