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Commit af2af4e5 authored by Nicolas Roard's avatar Nicolas Roard
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Add proper support for fixed position elements 

this is two-part change, see  http://android-git.corp.google.com/g/#change,37091 for the C++ counterpart.
This CL implements fixed position elements (css position: fixed) using layers, supporting pixels and percent lengths.

It addresses http://b/1914365
parent 021b7b44

core/java/android/webkit/WebView.java

+6 −2
Original line number Diff line number Diff line
@@ -2998,8 +2998,11 @@ public class WebView extends AbsoluteLayout 


    private void drawLayers(Canvas canvas) {

        if (mRootLayer != 0) {

            float scrollY = Math.max(mScrollY - getTitleHeight(), 0);

            int scrollY = computeVerticalScrollOffset();

            int viewHeight = getHeight() - getVisibleTitleHeight();



            nativeDrawLayers(mRootLayer, mScrollX, scrollY,

                             getWidth(), viewHeight,

                             mActualScale, canvas);

        }

    }
@@ -6361,7 +6364,8 @@ public class WebView extends AbsoluteLayout 
    private native boolean  nativeLayersHaveAnimations(int layer);

    private native void     nativeUpdateLayers(int layer, int updates);

    private native void     nativeDrawLayers(int layer,

                                             float scrollX, float scrollY,

                                             int scrollX, int scrollY,

                                             int width, int height,

                                             float scale, Canvas canvas);

    private native void     nativeDrawMatches(Canvas canvas);

    private native void     nativeDrawSelectionPointer(Canvas content,