Merge "Move TransformingTouchDelegate logic to BaseContainerView." into ub-launcher3-master
diff --git a/src/com/android/launcher3/BaseContainerView.java b/src/com/android/launcher3/BaseContainerView.java
index 96942ee..fe95106 100644
--- a/src/com/android/launcher3/BaseContainerView.java
+++ b/src/com/android/launcher3/BaseContainerView.java
@@ -18,6 +18,7 @@
 
 import android.content.Context;
 import android.content.res.TypedArray;
+import android.graphics.Rect;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
 import android.graphics.drawable.InsetDrawable;
@@ -27,6 +28,7 @@
 
 import com.android.launcher3.allapps.AllAppsContainerView;
 import com.android.launcher3.config.FeatureFlags;
+import com.android.launcher3.util.TransformingTouchDelegate;
 
 /**
  * A base container view, which supports resizing.
@@ -39,12 +41,14 @@
     protected int mContainerPaddingTop;
     protected int mContainerPaddingBottom;
 
-    private InsetDrawable mRevealDrawable;
     protected final Drawable mBaseDrawable;
+    private final Rect mBgPaddingRect = new Rect();
 
     private View mRevealView;
     private View mContent;
 
+    private TransformingTouchDelegate mTouchDelegate;
+
     public BaseContainerView(Context context) {
         this(context, null);
     }
@@ -72,6 +76,12 @@
 
         DeviceProfile grid = Launcher.getLauncher(getContext()).getDeviceProfile();
         grid.addLauncherLayoutChangedListener(this);
+
+        View touchDelegateTargetView = getTouchDelegateTargetView();
+        if (touchDelegateTargetView != null) {
+            mTouchDelegate = new TransformingTouchDelegate(touchDelegateTargetView);
+            ((View) touchDelegateTargetView.getParent()).setTouchDelegate(mTouchDelegate);
+        }
     }
 
     @Override
@@ -93,6 +103,21 @@
     }
 
     @Override
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        super.onLayout(changed, left, top, right, bottom);
+        getRevealView().getBackground().getPadding(mBgPaddingRect);
+
+        View touchDelegateTargetView = getTouchDelegateTargetView();
+        if (touchDelegateTargetView != null) {
+            mTouchDelegate.setBounds(
+                    touchDelegateTargetView.getLeft() - mBgPaddingRect.left,
+                    touchDelegateTargetView.getTop() - mBgPaddingRect.top,
+                    touchDelegateTargetView.getRight() + mBgPaddingRect.right,
+                    touchDelegateTargetView.getBottom() + mBgPaddingRect.bottom);
+        }
+    }
+
+    @Override
     public void onLauncherLayoutChanged() {
         updatePaddings();
     }
@@ -130,14 +155,12 @@
             }
         }
 
-        mRevealDrawable = new InsetDrawable(mBaseDrawable,
+        InsetDrawable revealDrawable = new InsetDrawable(mBaseDrawable,
                 mContainerPaddingLeft, mContainerPaddingTop, mContainerPaddingRight,
                 mContainerPaddingBottom);
-        mRevealView.setBackground(mRevealDrawable);
-        if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP && this instanceof AllAppsContainerView) {
-            // Skip updating the content background
-        } else {
-            mContent.setBackground(mRevealDrawable);
-        }
+        mRevealView.setBackground(revealDrawable);
+        mContent.setBackground(revealDrawable);
     }
+
+    public abstract View getTouchDelegateTargetView();
 }
diff --git a/src/com/android/launcher3/allapps/AllAppsContainerView.java b/src/com/android/launcher3/allapps/AllAppsContainerView.java
index 290accb..11aa86b 100644
--- a/src/com/android/launcher3/allapps/AllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsContainerView.java
@@ -152,14 +152,12 @@
     private View mSearchContainer;
     private ExtendedEditText mSearchInput;
     private HeaderElevationController mElevationController;
-    private int mSearchContainerOffsetTop;
 
     private SpannableStringBuilder mSearchQueryBuilder = null;
 
     private int mSectionNamesMargin;
     private int mNumAppsPerRow;
     private int mNumPredictedAppsPerRow;
-    private int mRecyclerViewBottomPadding;
     // This coordinate is relative to this container view
     private final Point mBoundsCheckLastTouchDownPos = new Point(-1, -1);
 
@@ -183,13 +181,6 @@
         mLayoutManager = mAdapter.getLayoutManager();
         mItemDecoration = mAdapter.getItemDecoration();
         DeviceProfile grid = mLauncher.getDeviceProfile();
-        if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP && !grid.isVerticalBarLayout()) {
-            mRecyclerViewBottomPadding = 0;
-            setPadding(0, 0, 0, 0);
-        } else {
-            mRecyclerViewBottomPadding =
-                    res.getDimensionPixelSize(R.dimen.all_apps_list_bottom_padding);
-        }
         mSearchQueryBuilder = new SpannableStringBuilder();
         Selection.setSelection(mSearchQueryBuilder, 0);
     }
@@ -338,9 +329,6 @@
                 0, 1, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
         mSearchInput.setHint(spanned);
 
-        mSearchContainerOffsetTop = getResources().getDimensionPixelSize(
-                R.dimen.all_apps_search_bar_margin_top);
-
         mElevationController = Utilities.ATLEAST_LOLLIPOP
                 ? new HeaderElevationController.ControllerVL(mSearchContainer)
                 : new HeaderElevationController.ControllerV16(mSearchContainer);
@@ -371,13 +359,17 @@
     }
 
     @Override
+    public View getTouchDelegateTargetView() {
+        return mAppsRecyclerView;
+    }
+
+    @Override
     public void onBoundsChanged(Rect newBounds) { }
 
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
         int widthPx = MeasureSpec.getSize(widthMeasureSpec);
         int heightPx = MeasureSpec.getSize(heightMeasureSpec);
-        updatePaddingsAndMargins(widthPx, heightPx);
         mContentBounds.set(mContainerPaddingLeft, 0, widthPx - mContainerPaddingRight, heightPx);
 
         DeviceProfile grid = mLauncher.getDeviceProfile();
@@ -391,17 +383,14 @@
                 mAppsRecyclerView.setNumAppsPerRow(grid, mNumAppsPerRow);
                 mAdapter.setNumAppsPerRow(mNumAppsPerRow);
                 mApps.setNumAppsPerRow(mNumAppsPerRow, mNumPredictedAppsPerRow, new FullMergeAlgorithm());
-                if (mNumAppsPerRow > 0) {
-                    int rvPadding = mAppsRecyclerView.getPaddingStart(); // Assumes symmetry
-                    final int thumbMaxWidth =
-                            getResources().getDimensionPixelSize(
-                                    R.dimen.container_fastscroll_thumb_max_width);
-                    mSearchContainer.setPadding(
-                            rvPadding - mContainerPaddingLeft + thumbMaxWidth,
-                            mSearchContainer.getPaddingTop(),
-                            rvPadding - mContainerPaddingRight + thumbMaxWidth,
-                            mSearchContainer.getPaddingBottom());
-                }
+            }
+
+            if (!grid.isVerticalBarLayout()) {
+                View navBarBg = findViewById(R.id.nav_bar_bg);
+                ViewGroup.LayoutParams params = navBarBg.getLayoutParams();
+                params.height = mLauncher.getDragLayer().getInsets().bottom;
+                navBarBg.setLayoutParams(params);
+                navBarBg.setVisibility(View.VISIBLE);
             }
             super.onMeasure(widthMeasureSpec, heightMeasureSpec);
             return;
@@ -435,73 +424,6 @@
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     }
 
-    /**
-     * Update the background and padding of the Apps view and children.  Instead of insetting the
-     * container view, we inset the background and padding of the recycler view to allow for the
-     * recycler view to handle touch events (for fast scrolling) all the way to the edge.
-     */
-    private void updatePaddingsAndMargins(int widthPx, int heightPx) {
-        Rect bgPadding = new Rect();
-        getRevealView().getBackground().getPadding(bgPadding);
-
-        mAppsRecyclerView.updateBackgroundPadding(bgPadding);
-        mAdapter.updateBackgroundPadding(bgPadding);
-        mElevationController.updateBackgroundPadding(bgPadding);
-
-        // Pad the recycler view by the background padding plus the start margin (for the section
-        // names)
-        int maxScrollBarWidth = mAppsRecyclerView.getMaxScrollbarWidth();
-        int startInset = Math.max(mSectionNamesMargin, maxScrollBarWidth);
-        if (Utilities.isRtl(getResources())) {
-            mAppsRecyclerView.setPadding(bgPadding.left + maxScrollBarWidth, 0, bgPadding.right
-                    + startInset, mRecyclerViewBottomPadding);
-        } else {
-            mAppsRecyclerView.setPadding(bgPadding.left + startInset, 0, bgPadding.right +
-                    maxScrollBarWidth, mRecyclerViewBottomPadding);
-        }
-
-        MarginLayoutParams lp = (MarginLayoutParams) mSearchContainer.getLayoutParams();
-        lp.leftMargin = bgPadding.left;
-        lp.rightMargin = bgPadding.right;
-
-        // Clip the view to the left and right edge of the background to
-        // to prevent shadows from rendering beyond the edges
-        final Rect newClipBounds = new Rect(
-                bgPadding.left, 0, widthPx - bgPadding.right, heightPx);
-        setClipBounds(newClipBounds);
-
-        // Allow the overscroll effect to reach the edges of the view
-        mAppsRecyclerView.setClipToPadding(false);
-
-        DeviceProfile grid = mLauncher.getDeviceProfile();
-        if (FeatureFlags.LAUNCHER3_ALL_APPS_PULL_UP) {
-            if (!grid.isVerticalBarLayout()) {
-                MarginLayoutParams mlp = (MarginLayoutParams) mAppsRecyclerView.getLayoutParams();
-
-                Rect insets = mLauncher.getDragLayer().getInsets();
-                getContentView().setPadding(0, 0, 0, 0);
-                int height = insets.top + grid.hotseatCellHeightPx;
-
-                mlp.topMargin = height;
-                mAppsRecyclerView.setLayoutParams(mlp);
-
-                mSearchContainer.setPadding(
-                        mSearchContainer.getPaddingLeft(),
-                        insets.top + mSearchContainerOffsetTop,
-                        mSearchContainer.getPaddingRight(),
-                        mSearchContainer.getPaddingBottom());
-                lp.height = height;
-
-                View navBarBg = findViewById(R.id.nav_bar_bg);
-                ViewGroup.LayoutParams params = navBarBg.getLayoutParams();
-                params.height = insets.bottom;
-                navBarBg.setLayoutParams(params);
-                navBarBg.setVisibility(View.VISIBLE);
-            }
-        }
-        mSearchContainer.setLayoutParams(lp);
-    }
-
     @Override
     public boolean dispatchKeyEvent(KeyEvent event) {
         // Determine if the key event was actual text, if so, focus the search bar and then dispatch
diff --git a/src/com/android/launcher3/widget/WidgetsContainerView.java b/src/com/android/launcher3/widget/WidgetsContainerView.java
index 6530c0e..8b72258 100644
--- a/src/com/android/launcher3/widget/WidgetsContainerView.java
+++ b/src/com/android/launcher3/widget/WidgetsContainerView.java
@@ -21,7 +21,6 @@
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
 import android.support.v7.widget.LinearLayoutManager;
-import android.support.v7.widget.RecyclerView.State;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.View;
@@ -50,7 +49,6 @@
 import com.android.launcher3.userevent.nano.LauncherLogProto;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
 import com.android.launcher3.util.Thunk;
-import com.android.launcher3.util.TransformingTouchDelegate;
 
 /**
  * The widgets list view container.
@@ -65,12 +63,9 @@
     private DragController mDragController;
     private IconCache mIconCache;
 
-    private final Rect mTmpBgPaddingRect = new Rect();
-
     /* Recycler view related member variables */
     private WidgetsRecyclerView mRecyclerView;
     private WidgetsListAdapter mAdapter;
-    private TransformingTouchDelegate mRecyclerViewTouchDelegate;
 
     /* Touch handling related member variables. */
     private Toast mWidgetInstructionToast;
@@ -98,14 +93,8 @@
     }
 
     @Override
-    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
-        super.onLayout(changed, left, top, right, bottom);
-        getRevealView().getBackground().getPadding(mTmpBgPaddingRect);
-        mRecyclerViewTouchDelegate.setBounds(
-                mRecyclerView.getLeft() - mTmpBgPaddingRect.left,
-                mRecyclerView.getTop() - mTmpBgPaddingRect.top,
-                mRecyclerView.getRight() + mTmpBgPaddingRect.right,
-                mRecyclerView.getBottom() + mTmpBgPaddingRect.bottom);
+    public View getTouchDelegateTargetView() {
+        return mRecyclerView;
     }
 
     @Override
@@ -114,13 +103,6 @@
         mRecyclerView = (WidgetsRecyclerView) getContentView().findViewById(R.id.widgets_list_view);
         mRecyclerView.setAdapter(mAdapter);
         mRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
-        mRecyclerViewTouchDelegate = new TransformingTouchDelegate(mRecyclerView);
-    }
-
-    @Override
-    protected void onAttachedToWindow() {
-        super.onAttachedToWindow();
-        ((View) mRecyclerView.getParent()).setTouchDelegate(mRecyclerViewTouchDelegate);
     }
 
     //