chrome/android: Push EventFilters into the Layout implementations.

chrome/android/java/src/org/chromium/chrome/browser/compositor/layouts/phone/SimpleAnimationLayout.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.chrome.browser.compositor.layouts.phone;
 
 import android.content.Context;
 import android.graphics.RectF;
 import android.view.animation.Interpolator;
 
 import org.chromium.chrome.browser.compositor.LayerTitleCache;
 import org.chromium.chrome.browser.compositor.layouts.ChromeAnimation.Animatable;
 import org.chromium.chrome.browser.compositor.layouts.Layout;
 import org.chromium.chrome.browser.compositor.layouts.LayoutRenderHost;
 import org.chromium.chrome.browser.compositor.layouts.LayoutUpdateHost;
 import org.chromium.chrome.browser.compositor.layouts.components.LayoutTab;
 import org.chromium.chrome.browser.compositor.layouts.content.TabContentManager;
+import org.chromium.chrome.browser.compositor.layouts.eventfilter.BlackHoleEventFilter;
 import org.chromium.chrome.browser.compositor.layouts.eventfilter.EventFilter;
 import org.chromium.chrome.browser.compositor.layouts.phone.stack.Stack;
 import org.chromium.chrome.browser.compositor.layouts.phone.stack.StackAnimation;
 import org.chromium.chrome.browser.compositor.scene_layer.SceneLayer;
 import org.chromium.chrome.browser.compositor.scene_layer.TabListSceneLayer;
 import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.chrome.browser.tabmodel.TabModel;
 import org.chromium.ui.interpolators.BakedBezierInterpolator;
 import org.chromium.ui.resources.ResourceManager;
@@ skipping 31 matching lines @@
 
     /**
      * A cached {@link LayoutTab} representation of the currently closing tab. If it's not
      * null, it means tabClosing() has been called to start animation setup but
      * tabClosed() has not yet been called to finish animation startup
      */
     private LayoutTab mClosedTab;
 
     private LayoutTab mAnimatedTab;
     private final TabListSceneLayer mSceneLayer;
+    private final BlackHoleEventFilter mBlackHoleEventFilter;
 
     /**
      * Creates an instance of the {@link SimpleAnimationLayout}.
      * @param context     The current Android's context.
      * @param updateHost  The {@link LayoutUpdateHost} view for this layout.
      * @param renderHost  The {@link LayoutRenderHost} view for this layout.
      * @param eventFilter The {@link EventFilter} that is needed for this view.
      */
-    public SimpleAnimationLayout(Context context, LayoutUpdateHost updateHost,
-            LayoutRenderHost renderHost, EventFilter eventFilter) {
-        super(context, updateHost, renderHost, eventFilter);
+    public SimpleAnimationLayout(
+            Context context, LayoutUpdateHost updateHost, LayoutRenderHost renderHost) {
+        super(context, updateHost, renderHost);
+        mBlackHoleEventFilter = new BlackHoleEventFilter(context);
         mSceneLayer = new TabListSceneLayer();
     }
 
     @Override
     public ViewportMode getViewportMode() {
         return ViewportMode.USE_PREVIOUS_BROWSER_CONTROLS_STATE;
     }
 
     @Override
     public void show(long time, boolean animate) {
@@ skipping 310 matching lines @@
                 setDiscardAmount(value);
                 break;
             default:
         }
     }
 
     @Override
     public void onPropertyAnimationFinished(Property prop) {}
 
     @Override
+    protected EventFilter getEventFilter() {
+        return mBlackHoleEventFilter;
+    }
+
+    @Override
     protected SceneLayer getSceneLayer() {
         return mSceneLayer;
     }
 
     @Override
     protected void updateSceneLayer(RectF viewport, RectF contentViewport,
             LayerTitleCache layerTitleCache, TabContentManager tabContentManager,
             ResourceManager resourceManager, ChromeFullscreenManager fullscreenManager) {
         super.updateSceneLayer(viewport, contentViewport, layerTitleCache, tabContentManager,
                 resourceManager, fullscreenManager);
         assert mSceneLayer != null;
         // The content viewport is intentionally sent as both params below.
         mSceneLayer.pushLayers(getContext(), contentViewport, contentViewport, this,
                 layerTitleCache, tabContentManager, resourceManager, fullscreenManager);
     }
 }