Pipe down isHardwareAccelerated

Change-Id: I19285ea03409279aea09f9e44a1870364762f877

3 files changed, 38 insertions, 0 deletions

diff --git a/core/java/android/webkit/WebView.java b/core/java/android/webkit/WebView.java
index a561577..a541d76 100644
--- a/core/java/android/webkit/WebView.java
+++ b/core/java/android/webkit/WebView.java
@@ -21,6 +21,7 @@ import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
+import android.graphics.Paint;
 import android.graphics.Picture;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
@@ -1955,4 +1956,10 @@ public class WebView extends AbsoluteLayout
     public void setBackgroundColor(int color) {
         mProvider.getViewDelegate().setBackgroundColor(color);
     }
+
+    @Override
+    public void setLayerType(int layerType, Paint paint) {
+        super.setLayerType(layerType, paint);
+        mProvider.getViewDelegate().setLayerType(layerType, paint);
+    }
 }
diff --git a/core/java/android/webkit/WebViewClassic.java b/core/java/android/webkit/WebViewClassic.java
index 09ce1e2..2be9c9b 100644
--- a/core/java/android/webkit/WebViewClassic.java
+++ b/core/java/android/webkit/WebViewClassic.java
@@ -5561,6 +5561,7 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
         addAccessibilityApisToJavaScript();
 
         mTouchEventQueue.reset();
+        updateHwAccelerated();
     }
 
     @Override
@@ -5580,6 +5581,7 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
         }
 
         removeAccessibilityApisFromJavaScript();
+        updateHwAccelerated();
     }
 
     @Override
@@ -9232,6 +9234,30 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
         nativeDiscardAllTextures();
     }
 
+    @Override
+    public void setLayerType(int layerType, Paint paint) {
+        updateHwAccelerated();
+    }
+
+    private void updateHwAccelerated() {
+        if (mNativeClass == 0) {
+            return;
+        }
+        boolean hwAccelerated = false;
+        if (mWebView.isHardwareAccelerated()
+                && mWebView.getLayerType() != View.LAYER_TYPE_SOFTWARE) {
+            hwAccelerated = true;
+        }
+        int result = nativeSetHwAccelerated(mNativeClass, hwAccelerated);
+        if (mWebViewCore == null || mBlockWebkitViewMessages) {
+            return;
+        }
+        if (result == 1) {
+            // Sync layers
+            mWebViewCore.layersDraw();
+        }
+    }
+
     /**
      * Begin collecting per-tile profiling data
      *
@@ -9353,4 +9379,6 @@ public final class WebViewClassic implements WebViewProvider, WebViewProvider.Sc
     private static native boolean nativeIsBaseFirst(int instance);
     private static native void nativeMapLayerRect(int instance, int layerId,
             Rect rect);
+    // Returns 1 if a layer sync is needed, else 0
+    private static native int nativeSetHwAccelerated(int instance, boolean hwAccelerated);
 }
diff --git a/core/java/android/webkit/WebViewProvider.java b/core/java/android/webkit/WebViewProvider.java
index 2e8ad6d..2333dd9 100644
--- a/core/java/android/webkit/WebViewProvider.java
+++ b/core/java/android/webkit/WebViewProvider.java
@@ -19,6 +19,7 @@ package android.webkit;
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
+import android.graphics.Paint;
 import android.graphics.Picture;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
@@ -333,6 +334,8 @@ public interface WebViewProvider {
         public boolean requestChildRectangleOnScreen(View child, Rect rect, boolean immediate);
 
         public void setBackgroundColor(int color);
+
+        public void setLayerType(int layerType, Paint paint);
     }
 
     interface ScrollDelegate {