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Commit fae7c2cc authored by Julien Chaffraix's avatar Julien Chaffraix Committed by Steve Kondik
Browse files

Add a color inversion algorithm to Android. 

This flips the colors in the page (not including images) to use OLED's
lower power when displaying dark colors.

frameworks/base part of the change.

Change-Id: I250083c9c60cf68f906991252d81f0bbec32bc6e
parent 27f870c9

core/java/android/webkit/WebSettings.java

+18 −0
Original line number Original line Diff line number Diff line
@@ -178,6 +178,7 @@ public class WebSettings { 
    private boolean         mUseWideViewport = false;

    private boolean         mUseWideViewport = false;

    private boolean         mSupportMultipleWindows = false;

    private boolean         mSupportMultipleWindows = false;

    private boolean         mShrinksStandaloneImagesToFit = false;

    private boolean         mShrinksStandaloneImagesToFit = false;

    private boolean         mInvertColor = false;

    // HTML5 API flags

    // HTML5 API flags

    private boolean         mAppCacheEnabled = false;

    private boolean         mAppCacheEnabled = false;

    private boolean         mDatabaseEnabled = false;

    private boolean         mDatabaseEnabled = false;
@@ -1387,6 +1388,23 @@ public class WebSettings { 
        }

        }

     }

     }





    /**

     * @hide

     */

    public synchronized void setInvertColor(boolean invert) {

        if (mInvertColor != invert) {

            mInvertColor = invert;

            postSync();

        }

    }



    /**

     * @hide

     */

    public synchronized boolean getInvertColor() {

        return mInvertColor;

    }



    int getDoubleTapToastCount() {

    int getDoubleTapToastCount() {

        return mDoubleTapToastCount;

        return mDoubleTapToastCount;

    }

    }

core/java/android/webkit/WebViewCore.java

+3 −0
Original line number Original line Diff line number Diff line
@@ -525,6 +525,8 @@ final class WebViewCore { 




    private native void nativeSetBackgroundColor(int color);

    private native void nativeSetBackgroundColor(int color);





    private native void nativeSetColorInversion(boolean invert);



    private native void nativeDumpDomTree(boolean useFile);

    private native void nativeDumpDomTree(boolean useFile);





    private native void nativeDumpRenderTree(boolean useFile);

    private native void nativeDumpRenderTree(boolean useFile);
@@ -1792,6 +1794,7 @@ final class WebViewCore { 
            df = mScrollFilter;

            df = mScrollFilter;

        }

        }

        canvas.setDrawFilter(df);

        canvas.setDrawFilter(df);

        nativeSetColorInversion(mSettings.getInvertColor());

        boolean tookTooLong = nativeDrawContent(canvas, color);

        boolean tookTooLong = nativeDrawContent(canvas, color);

        canvas.setDrawFilter(null);

        canvas.setDrawFilter(null);

        if (tookTooLong && mSplitPictureIsScheduled == false) {

        if (tookTooLong && mSplitPictureIsScheduled == false) {