Adding method to get the search bar bounds.

Change-Id: Iec2fe0992cc666432ba6b9eac7ee8bf63e49b146

1 files changed, 717 insertions, 0 deletions

diff --git a/src/com/android/launcher3/DeviceProfile.java b/src/com/android/launcher3/DeviceProfile.java
new file mode 100644
index 000000000..626ec42cb
--- /dev/null
+++ b/src/com/android/launcher3/DeviceProfile.java
@@ -0,0 +1,717 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3;
+
+import android.appwidget.AppWidgetHostView;
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.res.Configuration;
+import android.content.res.Resources;
+import android.graphics.Paint;
+import android.graphics.Paint.FontMetrics;
+import android.graphics.Point;
+import android.graphics.PointF;
+import android.graphics.Rect;
+import android.util.DisplayMetrics;
+import android.view.Display;
+import android.view.Gravity;
+import android.view.Surface;
+import android.view.View;
+import android.view.ViewGroup.LayoutParams;
+import android.view.WindowManager;
+import android.widget.FrameLayout;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+
+
+class DeviceProfileQuery {
+    float widthDps;
+    float heightDps;
+    float value;
+    PointF dimens;
+
+    DeviceProfileQuery(float w, float h, float v) {
+        widthDps = w;
+        heightDps = h;
+        value = v;
+        dimens = new PointF(w, h);
+    }
+}
+
+public class DeviceProfile {
+    public static interface DeviceProfileCallbacks {
+        public void onAvailableSizeChanged(DeviceProfile grid);
+    }
+
+    String name;
+    float minWidthDps;
+    float minHeightDps;
+    float numRows;
+    float numColumns;
+    float numHotseatIcons;
+    private float iconSize;
+    private float iconTextSize;
+    private int iconDrawablePaddingOriginalPx;
+    private float hotseatIconSize;
+
+    boolean isLandscape;
+    boolean isTablet;
+    boolean isLargeTablet;
+    boolean transposeLayoutWithOrientation;
+
+    int desiredWorkspaceLeftRightMarginPx;
+    int edgeMarginPx;
+    Rect defaultWidgetPadding;
+
+    int widthPx;
+    int heightPx;
+    int availableWidthPx;
+    int availableHeightPx;
+    int defaultPageSpacingPx;
+
+    int overviewModeMinIconZoneHeightPx;
+    int overviewModeMaxIconZoneHeightPx;
+    int overviewModeMaxBarWidthPx;
+    float overviewModeIconZoneRatio;
+    float overviewModeScaleFactor;
+
+    int iconSizePx;
+    int iconTextSizePx;
+    int iconDrawablePaddingPx;
+    int cellWidthPx;
+    int cellHeightPx;
+    int allAppsIconSizePx;
+    int allAppsIconTextSizePx;
+    int allAppsCellWidthPx;
+    int allAppsCellHeightPx;
+    int allAppsCellPaddingPx;
+    int folderBackgroundOffset;
+    int folderIconSizePx;
+    int folderCellWidthPx;
+    int folderCellHeightPx;
+    int hotseatCellWidthPx;
+    int hotseatCellHeightPx;
+    int hotseatIconSizePx;
+    int hotseatBarHeightPx;
+    int hotseatAllAppsRank;
+    int allAppsNumRows;
+    int allAppsNumCols;
+    int searchBarSpaceWidthPx;
+    int searchBarSpaceMaxWidthPx;
+    int searchBarSpaceHeightPx;
+    int searchBarHeightPx;
+    int pageIndicatorHeightPx;
+
+    private ArrayList<DeviceProfileCallbacks> mCallbacks = new ArrayList<DeviceProfileCallbacks>();
+
+    DeviceProfile(String n, float w, float h, float r, float c,
+                  float is, float its, float hs, float his) {
+        // Ensure that we have an odd number of hotseat items (since we need to place all apps)
+        if (!AppsCustomizePagedView.DISABLE_ALL_APPS && hs % 2 == 0) {
+            throw new RuntimeException("All Device Profiles must have an odd number of hotseat spaces");
+        }
+
+        name = n;
+        minWidthDps = w;
+        minHeightDps = h;
+        numRows = r;
+        numColumns = c;
+        iconSize = is;
+        iconTextSize = its;
+        numHotseatIcons = hs;
+        hotseatIconSize = his;
+    }
+
+    DeviceProfile(Context context,
+                  ArrayList<DeviceProfile> profiles,
+                  float minWidth, float minHeight,
+                  int wPx, int hPx,
+                  int awPx, int ahPx,
+                  Resources res) {
+        DisplayMetrics dm = res.getDisplayMetrics();
+        ArrayList<DeviceProfileQuery> points =
+                new ArrayList<DeviceProfileQuery>();
+        transposeLayoutWithOrientation =
+                res.getBoolean(R.bool.hotseat_transpose_layout_with_orientation);
+        minWidthDps = minWidth;
+        minHeightDps = minHeight;
+
+        ComponentName cn = new ComponentName(context.getPackageName(),
+                this.getClass().getName());
+        defaultWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(context, cn, null);
+        edgeMarginPx = res.getDimensionPixelSize(R.dimen.dynamic_grid_edge_margin);
+        desiredWorkspaceLeftRightMarginPx = 2 * edgeMarginPx;
+        pageIndicatorHeightPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_page_indicator_height);
+        defaultPageSpacingPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_workspace_page_spacing);
+        allAppsCellPaddingPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_all_apps_cell_padding);
+        overviewModeMinIconZoneHeightPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_min_icon_zone_height);
+        overviewModeMaxIconZoneHeightPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_max_icon_zone_height);
+        overviewModeMaxBarWidthPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_bar_max_width);
+        overviewModeIconZoneRatio =
+                res.getInteger(R.integer.config_dynamic_grid_overview_icon_zone_percentage) / 100f;
+        overviewModeScaleFactor =
+                res.getInteger(R.integer.config_dynamic_grid_overview_scale_percentage) / 100f;
+
+        // Interpolate the rows
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numRows));
+        }
+        numRows = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
+        // Interpolate the columns
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numColumns));
+        }
+        numColumns = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
+        // Interpolate the hotseat length
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.numHotseatIcons));
+        }
+        numHotseatIcons = Math.round(invDistWeightedInterpolate(minWidth, minHeight, points));
+        hotseatAllAppsRank = (int) (numHotseatIcons / 2);
+
+        // Interpolate the icon size
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.iconSize));
+        }
+        iconSize = invDistWeightedInterpolate(minWidth, minHeight, points);
+        // AllApps uses the original non-scaled icon size
+        allAppsIconSizePx = DynamicGrid.pxFromDp(iconSize, dm);
+
+        // Interpolate the icon text size
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.iconTextSize));
+        }
+        iconTextSize = invDistWeightedInterpolate(minWidth, minHeight, points);
+        iconDrawablePaddingOriginalPx =
+                res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
+        // AllApps uses the original non-scaled icon text size
+        allAppsIconTextSizePx = DynamicGrid.pxFromDp(iconTextSize, dm);
+
+        // Interpolate the hotseat icon size
+        points.clear();
+        for (DeviceProfile p : profiles) {
+            points.add(new DeviceProfileQuery(p.minWidthDps, p.minHeightDps, p.hotseatIconSize));
+        }
+        // Hotseat
+        hotseatIconSize = invDistWeightedInterpolate(minWidth, minHeight, points);
+
+        // Calculate the remaining vars
+        updateFromConfiguration(context, res, wPx, hPx, awPx, ahPx);
+        updateAvailableDimensions(context);
+    }
+
+    void addCallback(DeviceProfileCallbacks cb) {
+        mCallbacks.add(cb);
+        cb.onAvailableSizeChanged(this);
+    }
+    void removeCallback(DeviceProfileCallbacks cb) {
+        mCallbacks.remove(cb);
+    }
+
+    private int getDeviceOrientation(Context context) {
+        WindowManager windowManager =  (WindowManager)
+                context.getSystemService(Context.WINDOW_SERVICE);
+        Resources resources = context.getResources();
+        DisplayMetrics dm = resources.getDisplayMetrics();
+        Configuration config = resources.getConfiguration();
+        int rotation = windowManager.getDefaultDisplay().getRotation();
+
+        boolean isLandscape = (config.orientation == Configuration.ORIENTATION_LANDSCAPE) &&
+                (rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_180);
+        boolean isRotatedPortrait = (config.orientation == Configuration.ORIENTATION_PORTRAIT) &&
+                (rotation == Surface.ROTATION_90 || rotation == Surface.ROTATION_270);
+        if (isLandscape || isRotatedPortrait) {
+            return CellLayout.LANDSCAPE;
+        } else {
+            return CellLayout.PORTRAIT;
+        }
+    }
+
+    private void updateAvailableDimensions(Context context) {
+        WindowManager windowManager =  (WindowManager)
+                context.getSystemService(Context.WINDOW_SERVICE);
+        Display display = windowManager.getDefaultDisplay();
+        Resources resources = context.getResources();
+        DisplayMetrics dm = resources.getDisplayMetrics();
+        Configuration config = resources.getConfiguration();
+
+        // There are three possible configurations that the dynamic grid accounts for, portrait,
+        // landscape with the nav bar at the bottom, and landscape with the nav bar at the side.
+        // To prevent waiting for fitSystemWindows(), we make the observation that in landscape,
+        // the height is the smallest height (either with the nav bar at the bottom or to the
+        // side) and otherwise, the height is simply the largest possible height for a portrait
+        // device.
+        Point size = new Point();
+        Point smallestSize = new Point();
+        Point largestSize = new Point();
+        display.getSize(size);
+        display.getCurrentSizeRange(smallestSize, largestSize);
+        availableWidthPx = size.x;
+        if (config.orientation == Configuration.ORIENTATION_LANDSCAPE) {
+            availableHeightPx = smallestSize.y;
+        } else {
+            availableHeightPx = largestSize.y;
+        }
+
+        // Check to see if the icons fit in the new available height.  If not, then we need to
+        // shrink the icon size.
+        Rect workspacePadding = getWorkspacePadding();
+        float scale = 1f;
+        int drawablePadding = iconDrawablePaddingOriginalPx;
+        updateIconSize(1f, drawablePadding, resources, dm);
+        float usedHeight = (cellHeightPx * numRows);
+        int maxHeight = (availableHeightPx - workspacePadding.top - workspacePadding.bottom);
+        if (usedHeight > maxHeight) {
+            scale = maxHeight / usedHeight;
+            drawablePadding = 0;
+        }
+        updateIconSize(scale, drawablePadding, resources, dm);
+
+        // Make the callbacks
+        for (DeviceProfileCallbacks cb : mCallbacks) {
+            cb.onAvailableSizeChanged(this);
+        }
+    }
+
+    private void updateIconSize(float scale, int drawablePadding, Resources resources,
+                                DisplayMetrics dm) {
+        iconSizePx = (int) (DynamicGrid.pxFromDp(iconSize, dm) * scale);
+        iconTextSizePx = (int) (DynamicGrid.pxFromSp(iconTextSize, dm) * scale);
+        iconDrawablePaddingPx = drawablePadding;
+        hotseatIconSizePx = (int) (DynamicGrid.pxFromDp(hotseatIconSize, dm) * scale);
+
+        // Search Bar
+        searchBarSpaceMaxWidthPx = resources.getDimensionPixelSize(R.dimen.dynamic_grid_search_bar_max_width);
+        searchBarHeightPx = resources.getDimensionPixelSize(R.dimen.dynamic_grid_search_bar_height);
+        searchBarSpaceWidthPx = Math.min(searchBarSpaceMaxWidthPx, widthPx);
+        searchBarSpaceHeightPx = searchBarHeightPx + 2 * edgeMarginPx;
+
+        // Calculate the actual text height
+        Paint textPaint = new Paint();
+        textPaint.setTextSize(iconTextSizePx);
+        FontMetrics fm = textPaint.getFontMetrics();
+        cellWidthPx = iconSizePx;
+        cellHeightPx = iconSizePx + iconDrawablePaddingPx + (int) Math.ceil(fm.bottom - fm.top);
+
+        // Hotseat
+        hotseatBarHeightPx = iconSizePx + 4 * edgeMarginPx;
+        hotseatCellWidthPx = iconSizePx;
+        hotseatCellHeightPx = iconSizePx;
+
+        // Folder
+        folderCellWidthPx = cellWidthPx + 3 * edgeMarginPx;
+        folderCellHeightPx = cellHeightPx + edgeMarginPx;
+        folderBackgroundOffset = -edgeMarginPx;
+        folderIconSizePx = iconSizePx + 2 * -folderBackgroundOffset;
+
+        // All Apps
+        Rect padding = getWorkspacePadding(isLandscape ?
+                CellLayout.LANDSCAPE : CellLayout.PORTRAIT);
+        int pageIndicatorOffset =
+                resources.getDimensionPixelSize(R.dimen.apps_customize_page_indicator_offset);
+        allAppsCellWidthPx = allAppsIconSizePx;
+        allAppsCellHeightPx = allAppsIconSizePx + drawablePadding + iconTextSizePx;
+        int maxLongEdgeCellCount =
+                resources.getInteger(R.integer.config_dynamic_grid_max_long_edge_cell_count);
+        int maxShortEdgeCellCount =
+                resources.getInteger(R.integer.config_dynamic_grid_max_short_edge_cell_count);
+        int minEdgeCellCount =
+                resources.getInteger(R.integer.config_dynamic_grid_min_edge_cell_count);
+        int maxRows = (isLandscape ? maxShortEdgeCellCount : maxLongEdgeCellCount);
+        int maxCols = (isLandscape ? maxLongEdgeCellCount : maxShortEdgeCellCount);
+
+        allAppsNumRows = (availableHeightPx - pageIndicatorHeightPx) /
+                (allAppsCellHeightPx + allAppsCellPaddingPx);
+        allAppsNumRows = Math.max(minEdgeCellCount, Math.min(maxRows, allAppsNumRows));
+        allAppsNumCols = (availableWidthPx) /
+                (allAppsCellWidthPx + allAppsCellPaddingPx);
+        allAppsNumCols = Math.max(minEdgeCellCount, Math.min(maxCols, allAppsNumCols));
+    }
+
+    void updateFromConfiguration(Context context, Resources resources, int wPx, int hPx,
+                                 int awPx, int ahPx) {
+        isLandscape = (resources.getConfiguration().orientation ==
+                Configuration.ORIENTATION_LANDSCAPE);
+        isTablet = resources.getBoolean(R.bool.is_tablet);
+        isLargeTablet = resources.getBoolean(R.bool.is_large_tablet);
+        widthPx = wPx;
+        heightPx = hPx;
+        availableWidthPx = awPx;
+        availableHeightPx = ahPx;
+
+        updateAvailableDimensions(context);
+    }
+
+    private float dist(PointF p0, PointF p1) {
+        return (float) Math.sqrt((p1.x - p0.x)*(p1.x-p0.x) +
+                (p1.y-p0.y)*(p1.y-p0.y));
+    }
+
+    private float weight(PointF a, PointF b,
+                        float pow) {
+        float d = dist(a, b);
+        if (d == 0f) {
+            return Float.POSITIVE_INFINITY;
+        }
+        return (float) (1f / Math.pow(d, pow));
+    }
+
+    private float invDistWeightedInterpolate(float width, float height,
+                ArrayList<DeviceProfileQuery> points) {
+        float sum = 0;
+        float weights = 0;
+        float pow = 5;
+        float kNearestNeighbors = 3;
+        final PointF xy = new PointF(width, height);
+
+        ArrayList<DeviceProfileQuery> pointsByNearness = points;
+        Collections.sort(pointsByNearness, new Comparator<DeviceProfileQuery>() {
+            public int compare(DeviceProfileQuery a, DeviceProfileQuery b) {
+                return (int) (dist(xy, a.dimens) - dist(xy, b.dimens));
+            }
+        });
+
+        for (int i = 0; i < pointsByNearness.size(); ++i) {
+            DeviceProfileQuery p = pointsByNearness.get(i);
+            if (i < kNearestNeighbors) {
+                float w = weight(xy, p.dimens, pow);
+                if (w == Float.POSITIVE_INFINITY) {
+                    return p.value;
+                }
+                weights += w;
+            }
+        }
+
+        for (int i = 0; i < pointsByNearness.size(); ++i) {
+            DeviceProfileQuery p = pointsByNearness.get(i);
+            if (i < kNearestNeighbors) {
+                float w = weight(xy, p.dimens, pow);
+                sum += w * p.value / weights;
+            }
+        }
+
+        return sum;
+    }
+
+    /** Returns the search bar bounds in the current orientation */
+    Rect getSearchBarBounds() {
+        return getSearchBarBounds(isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT);
+    }
+    /** Returns the search bar bounds in the specified orientation */
+    Rect getSearchBarBounds(int orientation) {
+        Rect bounds = new Rect();
+        if (orientation == CellLayout.LANDSCAPE &&
+                transposeLayoutWithOrientation) {
+            bounds.set(0, edgeMarginPx, searchBarSpaceHeightPx, availableHeightPx - edgeMarginPx);
+        } else {
+            if (isTablet()) {
+                // Pad the left and right of the workspace to ensure consistent spacing
+                // between all icons
+                int width = (orientation == CellLayout.LANDSCAPE)
+                        ? Math.max(widthPx, heightPx)
+                        : Math.min(widthPx, heightPx);
+                // XXX: If the icon size changes across orientations, we will have to take
+                //      that into account here too.
+                int gap = (int) ((width - 2 * edgeMarginPx -
+                        (numColumns * cellWidthPx)) / (2 * (numColumns + 1)));
+                bounds.set(edgeMarginPx + gap, 0, availableWidthPx - (edgeMarginPx + gap),
+                        searchBarSpaceHeightPx);
+            } else {
+                bounds.set(desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.left, 0,
+                        availableWidthPx - (desiredWorkspaceLeftRightMarginPx -
+                        defaultWidgetPadding.right), searchBarSpaceHeightPx);
+            }
+        }
+        return bounds;
+    }
+
+    /** Returns the workspace padding in the specified orientation */
+    Rect getWorkspacePadding() {
+        return getWorkspacePadding(isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT);
+    }
+    Rect getWorkspacePadding(int orientation) {
+        Rect searchBarBounds = getSearchBarBounds(orientation);
+        Rect padding = new Rect();
+        if (orientation == CellLayout.LANDSCAPE &&
+                transposeLayoutWithOrientation) {
+            // Pad the left and right of the workspace with search/hotseat bar sizes
+            padding.set(searchBarBounds.right, edgeMarginPx,
+                    hotseatBarHeightPx, edgeMarginPx);
+        } else {
+            if (isTablet()) {
+                // Pad the left and right of the workspace to ensure consistent spacing
+                // between all icons
+                int width = (orientation == CellLayout.LANDSCAPE)
+                        ? Math.max(widthPx, heightPx)
+                        : Math.min(widthPx, heightPx);
+                // XXX: If the icon size changes across orientations, we will have to take
+                //      that into account here too.
+                int gap = (int) ((width - 2 * edgeMarginPx -
+                        (numColumns * cellWidthPx)) / (2 * (numColumns + 1)));
+                padding.set(edgeMarginPx + gap,
+                        searchBarBounds.bottom,
+                        edgeMarginPx + gap,
+                        hotseatBarHeightPx + pageIndicatorHeightPx);
+            } else {
+                // Pad the top and bottom of the workspace with search/hotseat bar sizes
+                padding.set(desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.left,
+                        searchBarBounds.bottom,
+                        desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.right,
+                        hotseatBarHeightPx + pageIndicatorHeightPx);
+            }
+        }
+        return padding;
+    }
+
+    int getWorkspacePageSpacing(int orientation) {
+        if (orientation == CellLayout.LANDSCAPE &&
+                transposeLayoutWithOrientation) {
+            // In landscape mode the page spacing is set to the default.
+            return defaultPageSpacingPx;
+        } else {
+            // In portrait, we want the pages spaced such that there is no
+            // overhang of the previous / next page into the current page viewport.
+            // We assume symmetrical padding in portrait mode.
+            return 2 * getWorkspacePadding().left;
+        }
+    }
+
+    Rect getOverviewModeButtonBarRect() {
+        int zoneHeight = (int) (overviewModeIconZoneRatio * availableHeightPx);
+        zoneHeight = Math.min(overviewModeMaxIconZoneHeightPx,
+                Math.max(overviewModeMinIconZoneHeightPx, zoneHeight));
+        return new Rect(0, availableHeightPx - zoneHeight, 0, availableHeightPx);
+    }
+
+    float getOverviewModeScale() {
+        Rect workspacePadding = getWorkspacePadding();
+        Rect overviewBar = getOverviewModeButtonBarRect();
+        int pageSpace = availableHeightPx - workspacePadding.top - workspacePadding.bottom;
+        return (overviewModeScaleFactor * (pageSpace - overviewBar.height())) / pageSpace;
+    }
+
+    // The rect returned will be extended to below the system ui that covers the workspace
+    Rect getHotseatRect() {
+        if (isVerticalBarLayout()) {
+            return new Rect(availableWidthPx - hotseatBarHeightPx, 0,
+                    Integer.MAX_VALUE, availableHeightPx);
+        } else {
+            return new Rect(0, availableHeightPx - hotseatBarHeightPx,
+                    availableWidthPx, Integer.MAX_VALUE);
+        }
+    }
+
+    int calculateCellWidth(int width, int countX) {
+        return width / countX;
+    }
+    int calculateCellHeight(int height, int countY) {
+        return height / countY;
+    }
+
+    boolean isPhone() {
+        return !isTablet && !isLargeTablet;
+    }
+    boolean isTablet() {
+        return isTablet;
+    }
+    boolean isLargeTablet() {
+        return isLargeTablet;
+    }
+
+    boolean isVerticalBarLayout() {
+        return isLandscape && transposeLayoutWithOrientation;
+    }
+
+    boolean shouldFadeAdjacentWorkspaceScreens() {
+        return isVerticalBarLayout() || isLargeTablet();
+    }
+
+    public void layout(Launcher launcher) {
+        FrameLayout.LayoutParams lp;
+        Resources res = launcher.getResources();
+        boolean hasVerticalBarLayout = isVerticalBarLayout();
+
+        // Layout the search bar space
+        View searchBar = launcher.getSearchBar();
+        lp = (FrameLayout.LayoutParams) searchBar.getLayoutParams();
+        if (hasVerticalBarLayout) {
+            // Vertical search bar
+            lp.gravity = Gravity.TOP | Gravity.LEFT;
+            lp.width = searchBarSpaceHeightPx;
+            lp.height = LayoutParams.MATCH_PARENT;
+            searchBar.setPadding(
+                    0, 2 * edgeMarginPx, 0,
+                    2 * edgeMarginPx);
+        } else {
+            // Horizontal search bar
+            lp.gravity = Gravity.TOP | Gravity.CENTER_HORIZONTAL;
+            lp.width = searchBarSpaceWidthPx;
+            lp.height = searchBarSpaceHeightPx;
+            searchBar.setPadding(
+                    2 * edgeMarginPx,
+                    2 * edgeMarginPx,
+                    2 * edgeMarginPx, 0);
+        }
+        searchBar.setLayoutParams(lp);
+
+        // Layout the search bar
+        View qsbBar = launcher.getQsbBar();
+        LayoutParams vglp = qsbBar.getLayoutParams();
+        vglp.width = LayoutParams.MATCH_PARENT;
+        vglp.height = LayoutParams.MATCH_PARENT;
+        qsbBar.setLayoutParams(vglp);
+
+        // Layout the voice proxy
+        View voiceButtonProxy = launcher.findViewById(R.id.voice_button_proxy);
+        if (voiceButtonProxy != null) {
+            if (hasVerticalBarLayout) {
+                // TODO: MOVE THIS INTO SEARCH BAR MEASURE
+            } else {
+                lp = (FrameLayout.LayoutParams) voiceButtonProxy.getLayoutParams();
+                lp.gravity = Gravity.TOP | Gravity.END;
+                lp.width = (widthPx - searchBarSpaceWidthPx) / 2 +
+                        2 * iconSizePx;
+                lp.height = searchBarSpaceHeightPx;
+            }
+        }
+
+        // Layout the workspace
+        PagedView workspace = (PagedView) launcher.findViewById(R.id.workspace);
+        lp = (FrameLayout.LayoutParams) workspace.getLayoutParams();
+        lp.gravity = Gravity.CENTER;
+        int orientation = isLandscape ? CellLayout.LANDSCAPE : CellLayout.PORTRAIT;
+        Rect padding = getWorkspacePadding(orientation);
+        workspace.setLayoutParams(lp);
+        workspace.setPadding(padding.left, padding.top, padding.right, padding.bottom);
+        workspace.setPageSpacing(getWorkspacePageSpacing(orientation));
+
+        // Layout the hotseat
+        View hotseat = launcher.findViewById(R.id.hotseat);
+        lp = (FrameLayout.LayoutParams) hotseat.getLayoutParams();
+        if (hasVerticalBarLayout) {
+            // Vertical hotseat
+            lp.gravity = Gravity.RIGHT;
+            lp.width = hotseatBarHeightPx;
+            lp.height = LayoutParams.MATCH_PARENT;
+            hotseat.findViewById(R.id.layout).setPadding(0, 2 * edgeMarginPx, 0, 2 * edgeMarginPx);
+        } else if (isTablet()) {
+            // Pad the hotseat with the grid gap calculated above
+            int gridGap = (int) ((widthPx - 2 * edgeMarginPx -
+                    (numColumns * cellWidthPx)) / (2 * (numColumns + 1)));
+            int gridWidth = (int) ((numColumns * cellWidthPx) +
+                    ((numColumns - 1) * gridGap));
+            int hotseatGap = (int) Math.max(0,
+                    (gridWidth - (numHotseatIcons * hotseatCellWidthPx))
+                            / (numHotseatIcons - 1));
+            lp.gravity = Gravity.BOTTOM;
+            lp.width = LayoutParams.MATCH_PARENT;
+            lp.height = hotseatBarHeightPx;
+            hotseat.setPadding(2 * edgeMarginPx + gridGap + hotseatGap, 0,
+                    2 * edgeMarginPx + gridGap + hotseatGap,
+                    2 * edgeMarginPx);
+        } else {
+            // For phones, layout the hotseat without any bottom margin
+            // to ensure that we have space for the folders
+            lp.gravity = Gravity.BOTTOM;
+            lp.width = LayoutParams.MATCH_PARENT;
+            lp.height = hotseatBarHeightPx;
+            hotseat.findViewById(R.id.layout).setPadding(2 * edgeMarginPx, 0,
+                    2 * edgeMarginPx, 0);
+        }
+        hotseat.setLayoutParams(lp);
+
+        // Layout the page indicators
+        View pageIndicator = launcher.findViewById(R.id.page_indicator);
+        if (pageIndicator != null) {
+            if (hasVerticalBarLayout) {
+                // Hide the page indicators when we have vertical search/hotseat
+                pageIndicator.setVisibility(View.GONE);
+            } else {
+                // Put the page indicators above the hotseat
+                lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams();
+                lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+                lp.width = LayoutParams.WRAP_CONTENT;
+                lp.height = LayoutParams.WRAP_CONTENT;
+                lp.bottomMargin = hotseatBarHeightPx;
+                pageIndicator.setLayoutParams(lp);
+            }
+        }
+
+        // Layout AllApps
+        AppsCustomizeTabHost host = (AppsCustomizeTabHost)
+                launcher.findViewById(R.id.apps_customize_pane);
+        if (host != null) {
+            // Center the all apps page indicator
+            int pageIndicatorHeight = (int) (pageIndicatorHeightPx * Math.min(1f,
+                    (allAppsIconSizePx / DynamicGrid.DEFAULT_ICON_SIZE_PX)));
+            pageIndicator = host.findViewById(R.id.apps_customize_page_indicator);
+            if (pageIndicator != null) {
+                lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams();
+                lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+                lp.width = LayoutParams.WRAP_CONTENT;
+                lp.height = pageIndicatorHeight;
+                pageIndicator.setLayoutParams(lp);
+            }
+
+            AppsCustomizePagedView pagedView = (AppsCustomizePagedView)
+                    host.findViewById(R.id.apps_customize_pane_content);
+            padding = new Rect();
+            if (pagedView != null) {
+                // Constrain the dimensions of all apps so that it does not span the full width
+                int paddingLR = (availableWidthPx - (allAppsCellWidthPx * allAppsNumCols)) /
+                        (2 * (allAppsNumCols + 1));
+                int paddingTB = (availableHeightPx - (allAppsCellHeightPx * allAppsNumRows)) /
+                        (2 * (allAppsNumRows + 1));
+                paddingLR = Math.min(paddingLR, (int)((paddingLR + paddingTB) * 0.75f));
+                paddingTB = Math.min(paddingTB, (int)((paddingLR + paddingTB) * 0.75f));
+                int maxAllAppsWidth = (allAppsNumCols * (allAppsCellWidthPx + 2 * paddingLR));
+                int gridPaddingLR = (availableWidthPx - maxAllAppsWidth) / 2;
+                if (gridPaddingLR > (allAppsCellWidthPx / 4)) {
+                    padding.left = padding.right = gridPaddingLR;
+                }
+                // The icons are centered, so we can't just offset by the page indicator height
+                // because the empty space will actually be pageIndicatorHeight + paddingTB
+                padding.bottom = Math.max(0, pageIndicatorHeight - paddingTB);
+                pagedView.setAllAppsPadding(padding);
+                pagedView.setWidgetsPageIndicatorPadding(pageIndicatorHeight);
+            }
+        }
+
+        // Layout the Overview Mode
+        View overviewMode = launcher.getOverviewPanel();
+        if (overviewMode != null) {
+            Rect r = getOverviewModeButtonBarRect();
+            lp = (FrameLayout.LayoutParams) overviewMode.getLayoutParams();
+            lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM;
+            lp.width = Math.min(availableWidthPx, overviewModeMaxBarWidthPx);
+            lp.height = r.height();
+            overviewMode.setLayoutParams(lp);
+        }
+    }
+}