[Remoting Android] Placeholder for DesktopView

remoting/android/java/src/org/chromium/chromoting/DesktopCanvas.java

 // 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.chromoting;
 
 import android.graphics.Matrix;
 import android.graphics.PointF;
 import android.graphics.Rect;
 import android.graphics.RectF;
 
 /**
  * This class is responsible for transforming the desktop image matrix.
  */
 public class DesktopCanvas {
     /**
      * Maximum allowed zoom level - see {@link #repositionImageWithZoom()}.
      */
     private static final float MAX_ZOOM_FACTOR = 100.0f;
 
-    private final DesktopViewInterface mViewer;
+    private final AbstractDesktopView mViewer;
     private final RenderData mRenderData;
 
     /**
      * Represents the desired center of the viewport.  This value may not represent the actual
      * center of the viewport as adjustments are made to ensure as much of the desktop is visible as
      * possible.  This value needs to be a pair of floats so the desktop image can be positioned
      * with sub-pixel accuracy for smoother panning animations at high zoom levels.
      */
     private PointF mViewportPosition = new PointF();
 
     /**
      * Represents the amount of space, in pixels, used by system UI.
      */
     private Rect mSystemUiOffsetPixels = new Rect();
 
-    public DesktopCanvas(DesktopViewInterface viewer, RenderData renderData) {
+    public DesktopCanvas(AbstractDesktopView viewer, RenderData renderData) {
         mViewer = viewer;
         mRenderData = renderData;
     }
 
     /**
      * Shifts the viewport by the passed in deltas (in image coordinates).
      *
      * @param useScreenCenter Determines whether to use the desired viewport position or the actual
      *                        center of the screen for positioning.
      * @param deltaX The distance (in image coordinates) to move the viewport along the x-axis.
@@ skipping 196 matching lines @@
                 // level needed to fit either the width or height.
                 float scale = Math.min((float) mRenderData.screenWidth / mRenderData.imageWidth,
                                        (float) mRenderData.screenHeight / mRenderData.imageHeight);
                 mRenderData.transform.setScale(scale, scale);
             }
         }
 
         repositionImage(centerViewport);
     }
 }