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Commit 3ee06efe authored by Marcin Kosiba's avatar Marcin Kosiba
Browse files

Add a WebView.zoomBy API. 

The WebView has zoomIn/zoomOut APIs which zoom in/out by a fixed
amount. This adds a more flexible API.

BUG: 13399510
Change-Id: Ia505048d5b1c48f9a3ff1c4ce7129ed2f55804f8
parent d1d2d43f

api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -36700,6 +36700,7 @@ package android.webkit { 
    method public void setWebViewClient(android.webkit.WebViewClient);

    method public deprecated boolean showFindDialog(java.lang.String, boolean);

    method public void stopLoading();

    method public boolean zoomBy(float);

    method public boolean zoomIn();

    method public boolean zoomOut();

    field public static final java.lang.String SCHEME_GEO = "geo:0,0?q=";

core/java/android/webkit/WebView.java

+17 −0
Original line number Diff line number Diff line
@@ -1944,6 +1944,23 @@ public class WebView extends AbsoluteLayout 
        return mProvider.canZoomOut();

    }



    /**

     * Performs a zoom operation in this WebView.

     *

     * @param zoomFactor the zoom factor to apply. The zoom factor will be clamped to the Webview's

     * zoom limits. This value must be in the range 0.01 to 100.0 inclusive.

     *

     * @return false if no zoom changes, true otherwise.

     */

    public boolean zoomBy(float zoomFactor) {

        checkThread();

        if (zoomFactor < 0.01)

            throw new IllegalArgumentException("zoomFactor must be greater than 0.01.");

        if (zoomFactor > 100.0)

            throw new IllegalArgumentException("zoomFactor must be less than 100.");

        return mProvider.zoomBy(zoomFactor);

    }



    /**

     * Performs zoom in in this WebView.

     *

core/java/android/webkit/WebViewProvider.java

+2 −0
Original line number Diff line number Diff line
@@ -238,6 +238,8 @@ public interface WebViewProvider { 


    public boolean canZoomOut();



    public boolean zoomBy(float zoomFactor);



    public boolean zoomIn();



    public boolean zoomOut();