/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.launcher3;
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import android.content.Context;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.graphics.Point;
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import android.graphics.PointF;
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import android.graphics.Rect;
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import android.util.DisplayMetrics;
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import android.view.Surface;
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import android.view.WindowManager;
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import com.android.launcher3.CellLayout.ContainerType;
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import com.android.launcher3.graphics.IconShape;
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import com.android.launcher3.icons.DotRenderer;
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import com.android.launcher3.icons.IconNormalizer;
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public class DeviceProfile {
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public final InvariantDeviceProfile inv;
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// Device properties
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public final boolean isTablet;
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public final boolean isLargeTablet;
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public final boolean isPhone;
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public final boolean transposeLayoutWithOrientation;
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// Device properties in current orientation
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public final boolean isLandscape;
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public final boolean isMultiWindowMode;
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public final int widthPx;
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public final int heightPx;
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public final int availableWidthPx;
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public final int availableHeightPx;
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public final float aspectRatio;
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/**
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* The maximum amount of left/right workspace padding as a percentage of the screen width.
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* To be clear, this means that up to 7% of the screen width can be used as left padding, and
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* 7% of the screen width can be used as right padding.
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*/
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private static final float MAX_HORIZONTAL_PADDING_PERCENT = 0.14f;
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private static final float TALL_DEVICE_ASPECT_RATIO_THRESHOLD = 2.0f;
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// To evenly space the icons, increase the left/right margins for tablets in portrait mode.
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private static final int PORTRAIT_TABLET_LEFT_RIGHT_PADDING_MULTIPLIER = 4;
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// Workspace
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public final int desiredWorkspaceLeftRightMarginPx;
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public final int cellLayoutPaddingLeftRightPx;
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public final int cellLayoutBottomPaddingPx;
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public final int edgeMarginPx;
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public float workspaceSpringLoadShrinkFactor;
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public final int workspaceSpringLoadedBottomSpace;
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// Drag handle
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public final int verticalDragHandleSizePx;
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private final int verticalDragHandleOverlapWorkspace;
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// Workspace icons
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public int iconSizePx;
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public int iconTextSizePx;
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public int iconDrawablePaddingPx;
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public int iconDrawablePaddingOriginalPx;
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public int cellWidthPx;
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public int cellHeightPx;
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public int workspaceCellPaddingXPx;
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// Folder
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public int folderIconSizePx;
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public int folderIconOffsetYPx;
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// Folder cell
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public int folderCellWidthPx;
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public int folderCellHeightPx;
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// Folder child
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public int folderChildIconSizePx;
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public int folderChildTextSizePx;
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public int folderChildDrawablePaddingPx;
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// Hotseat
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public int hotseatCellHeightPx;
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// In portrait: size = height, in landscape: size = width
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public int hotseatBarSizePx;
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public final int hotseatBarTopPaddingPx;
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public int hotseatBarBottomPaddingPx;
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// Start is the side next to the nav bar, end is the side next to the workspace
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public final int hotseatBarSidePaddingStartPx;
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public final int hotseatBarSidePaddingEndPx;
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// All apps
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public int allAppsCellHeightPx;
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public int allAppsIconSizePx;
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public int allAppsIconDrawablePaddingPx;
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public float allAppsIconTextSizePx;
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// Widgets
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public final PointF appWidgetScale = new PointF(1.0f, 1.0f);
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// Drop Target
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public int dropTargetBarSizePx;
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// Insets
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private final Rect mInsets = new Rect();
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public final Rect workspacePadding = new Rect();
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private final Rect mHotseatPadding = new Rect();
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// When true, nav bar is on the left side of the screen.
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private boolean mIsSeascape;
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// Notification dots
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public DotRenderer mDotRenderer;
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public DeviceProfile(Context context, InvariantDeviceProfile inv,
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Point minSize, Point maxSize,
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int width, int height, boolean isLandscape, boolean isMultiWindowMode) {
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this.inv = inv;
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this.isLandscape = isLandscape;
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this.isMultiWindowMode = isMultiWindowMode;
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// Determine sizes.
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widthPx = width;
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heightPx = height;
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if (isLandscape) {
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availableWidthPx = maxSize.x;
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availableHeightPx = minSize.y;
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} else {
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availableWidthPx = minSize.x;
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availableHeightPx = maxSize.y;
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}
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Resources res = context.getResources();
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DisplayMetrics dm = res.getDisplayMetrics();
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// Constants from resources
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isTablet = res.getBoolean(R.bool.is_tablet);
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isLargeTablet = res.getBoolean(R.bool.is_large_tablet);
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isPhone = !isTablet && !isLargeTablet;
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aspectRatio = ((float) Math.max(widthPx, heightPx)) / Math.min(widthPx, heightPx);
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boolean isTallDevice = Float.compare(aspectRatio, TALL_DEVICE_ASPECT_RATIO_THRESHOLD) >= 0;
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// Some more constants
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transposeLayoutWithOrientation =
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res.getBoolean(R.bool.hotseat_transpose_layout_with_orientation);
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context = getContext(context, isVerticalBarLayout()
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? Configuration.ORIENTATION_LANDSCAPE
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: Configuration.ORIENTATION_PORTRAIT);
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res = context.getResources();
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edgeMarginPx = res.getDimensionPixelSize(R.dimen.dynamic_grid_edge_margin);
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desiredWorkspaceLeftRightMarginPx = isVerticalBarLayout() ? 0 : edgeMarginPx;
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int cellLayoutPaddingLeftRightMultiplier = !isVerticalBarLayout() && isTablet
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? PORTRAIT_TABLET_LEFT_RIGHT_PADDING_MULTIPLIER : 1;
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int cellLayoutPadding = res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_layout_padding);
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if (isLandscape) {
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cellLayoutPaddingLeftRightPx = 0;
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cellLayoutBottomPaddingPx = cellLayoutPadding;
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} else {
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cellLayoutPaddingLeftRightPx = cellLayoutPaddingLeftRightMultiplier * cellLayoutPadding;
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cellLayoutBottomPaddingPx = 0;
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}
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verticalDragHandleSizePx = res.getDimensionPixelSize(
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R.dimen.vertical_drag_handle_size);
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verticalDragHandleOverlapWorkspace =
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res.getDimensionPixelSize(R.dimen.vertical_drag_handle_overlap_workspace);
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iconDrawablePaddingOriginalPx =
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res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding);
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dropTargetBarSizePx = res.getDimensionPixelSize(R.dimen.dynamic_grid_drop_target_size);
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workspaceSpringLoadedBottomSpace =
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res.getDimensionPixelSize(R.dimen.dynamic_grid_min_spring_loaded_space);
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workspaceCellPaddingXPx = res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_padding_x);
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hotseatBarTopPaddingPx =
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res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_top_padding);
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hotseatBarBottomPaddingPx = (isTallDevice ? 0
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: res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_non_tall_padding))
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+ res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding);
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hotseatBarSidePaddingEndPx =
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res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_side_padding);
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// Add a bit of space between nav bar and hotseat in vertical bar layout.
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hotseatBarSidePaddingStartPx = isVerticalBarLayout() ? verticalDragHandleSizePx : 0;
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hotseatBarSizePx = ResourceUtils.pxFromDp(inv.iconSize, dm) + (isVerticalBarLayout()
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? (hotseatBarSidePaddingStartPx + hotseatBarSidePaddingEndPx)
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: (res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_extra_vertical_size)
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+ hotseatBarTopPaddingPx + hotseatBarBottomPaddingPx));
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// Calculate all of the remaining variables.
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updateAvailableDimensions(dm, res);
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// Now that we have all of the variables calculated, we can tune certain sizes.
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if (!isVerticalBarLayout() && isPhone && isTallDevice) {
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// We increase the hotseat size when there is extra space.
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// ie. For a display with a large aspect ratio, we can keep the icons on the workspace
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// in portrait mode closer together by adding more height to the hotseat.
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// Note: This calculation was created after noticing a pattern in the design spec.
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int extraSpace = getCellSize().y - iconSizePx - iconDrawablePaddingPx * 2
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- verticalDragHandleSizePx;
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hotseatBarSizePx += extraSpace;
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hotseatBarBottomPaddingPx += extraSpace;
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// Recalculate the available dimensions using the new hotseat size.
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updateAvailableDimensions(dm, res);
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}
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updateWorkspacePadding();
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// This is done last, after iconSizePx is calculated above.
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mDotRenderer = new DotRenderer(iconSizePx, IconShape.getShapePath(),
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IconShape.DEFAULT_PATH_SIZE);
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}
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public DeviceProfile copy(Context context) {
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Point size = new Point(availableWidthPx, availableHeightPx);
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return new DeviceProfile(context, inv, size, size, widthPx, heightPx, isLandscape,
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isMultiWindowMode);
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}
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public DeviceProfile getMultiWindowProfile(Context context, Point mwSize) {
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// We take the minimum sizes of this profile and it's multi-window variant to ensure that
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// the system decor is always excluded.
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mwSize.set(Math.min(availableWidthPx, mwSize.x), Math.min(availableHeightPx, mwSize.y));
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// In multi-window mode, we can have widthPx = availableWidthPx
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// and heightPx = availableHeightPx because Launcher uses the InvariantDeviceProfiles'
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// widthPx and heightPx values where it's needed.
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DeviceProfile profile = new DeviceProfile(context, inv, mwSize, mwSize, mwSize.x, mwSize.y,
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isLandscape, true);
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// If there isn't enough vertical cell padding with the labels displayed, hide the labels.
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float workspaceCellPaddingY = profile.getCellSize().y - profile.iconSizePx
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- iconDrawablePaddingPx - profile.iconTextSizePx;
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if (workspaceCellPaddingY < profile.iconDrawablePaddingPx * 2) {
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profile.adjustToHideWorkspaceLabels();
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}
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// We use these scales to measure and layout the widgets using their full invariant profile
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// sizes and then draw them scaled and centered to fit in their multi-window mode cellspans.
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float appWidgetScaleX = (float) profile.getCellSize().x / getCellSize().x;
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float appWidgetScaleY = (float) profile.getCellSize().y / getCellSize().y;
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profile.appWidgetScale.set(appWidgetScaleX, appWidgetScaleY);
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profile.updateWorkspacePadding();
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return profile;
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}
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/**
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* Inverse of {@link #getMultiWindowProfile(Context, Point)}
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* @return device profile corresponding to the current orientation in non multi-window mode.
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*/
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public DeviceProfile getFullScreenProfile() {
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return isLandscape ? inv.landscapeProfile : inv.portraitProfile;
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}
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/**
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* Adjusts the profile so that the labels on the Workspace are hidden.
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* It is important to call this method after the All Apps variables have been set.
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*/
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private void adjustToHideWorkspaceLabels() {
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iconTextSizePx = 0;
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iconDrawablePaddingPx = 0;
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cellHeightPx = iconSizePx;
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// In normal cases, All Apps cell height should equal the Workspace cell height.
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// Since we are removing labels from the Workspace, we need to manually compute the
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// All Apps cell height.
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int topBottomPadding = allAppsIconDrawablePaddingPx * (isVerticalBarLayout() ? 2 : 1);
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allAppsCellHeightPx = allAppsIconSizePx + allAppsIconDrawablePaddingPx
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+ Utilities.calculateTextHeight(allAppsIconTextSizePx)
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+ topBottomPadding * 2;
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}
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private void updateAvailableDimensions(DisplayMetrics dm, Resources res) {
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updateIconSize(1f, res, dm);
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// Check to see if the icons fit within the available height. If not, then scale down.
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float usedHeight = (cellHeightPx * inv.numRows);
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int maxHeight = (availableHeightPx - getTotalWorkspacePadding().y);
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if (usedHeight > maxHeight) {
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float scale = maxHeight / usedHeight;
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updateIconSize(scale, res, dm);
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}
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updateAvailableFolderCellDimensions(dm, res);
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}
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private void updateIconSize(float scale, Resources res, DisplayMetrics dm) {
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// Workspace
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final boolean isVerticalLayout = isVerticalBarLayout();
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float invIconSizePx = isVerticalLayout ? inv.landscapeIconSize : inv.iconSize;
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iconSizePx = Math.max(1, (int) (ResourceUtils.pxFromDp(invIconSizePx, dm) * scale));
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iconTextSizePx = (int) (Utilities.pxFromSp(inv.iconTextSize, dm) * scale);
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iconDrawablePaddingPx = (int) (iconDrawablePaddingOriginalPx * scale);
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cellHeightPx = iconSizePx + iconDrawablePaddingPx
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+ Utilities.calculateTextHeight(iconTextSizePx);
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int cellYPadding = (getCellSize().y - cellHeightPx) / 2;
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if (iconDrawablePaddingPx > cellYPadding && !isVerticalLayout
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&& !isMultiWindowMode) {
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// Ensures that the label is closer to its corresponding icon. This is not an issue
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// with vertical bar layout or multi-window mode since the issue is handled separately
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// with their calls to {@link #adjustToHideWorkspaceLabels}.
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cellHeightPx -= (iconDrawablePaddingPx - cellYPadding);
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iconDrawablePaddingPx = cellYPadding;
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}
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cellWidthPx = iconSizePx + iconDrawablePaddingPx;
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// All apps
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allAppsIconTextSizePx = iconTextSizePx;
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allAppsIconSizePx = iconSizePx;
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allAppsIconDrawablePaddingPx = iconDrawablePaddingPx;
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allAppsCellHeightPx = getCellSize().y;
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/*
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** Always show the Workspace text
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if (isVerticalLayout) {
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// Always hide the Workspace text with vertical bar layout.
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adjustToHideWorkspaceLabels();
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}*/
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// Hotseat
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if (isVerticalLayout) {
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hotseatBarSizePx = iconSizePx + hotseatBarSidePaddingStartPx
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+ hotseatBarSidePaddingEndPx;
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}
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hotseatCellHeightPx = iconSizePx;
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if (!isVerticalLayout) {
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int expectedWorkspaceHeight = availableHeightPx - hotseatBarSizePx
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- verticalDragHandleSizePx - edgeMarginPx;
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float minRequiredHeight = dropTargetBarSizePx + workspaceSpringLoadedBottomSpace;
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workspaceSpringLoadShrinkFactor = Math.min(
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res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f,
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1 - (minRequiredHeight / expectedWorkspaceHeight));
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} else {
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workspaceSpringLoadShrinkFactor =
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res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f;
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}
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// Folder icon
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folderIconSizePx = IconNormalizer.getNormalizedCircleSize(iconSizePx);
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folderIconOffsetYPx = (iconSizePx - folderIconSizePx) / 2;
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}
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private void updateAvailableFolderCellDimensions(DisplayMetrics dm, Resources res) {
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int folderBottomPanelSize = res.getDimensionPixelSize(R.dimen.folder_label_padding_top)
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+ res.getDimensionPixelSize(R.dimen.folder_label_padding_bottom)
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+ Utilities.calculateTextHeight(res.getDimension(R.dimen.folder_label_text_size));
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updateFolderCellSize(1f, dm, res);
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// Don't let the folder get too close to the edges of the screen.
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int folderMargin = edgeMarginPx * 2;
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Point totalWorkspacePadding = getTotalWorkspacePadding();
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// Check if the icons fit within the available height.
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float usedHeight = folderCellHeightPx * inv.numFolderRows + folderBottomPanelSize;
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int maxHeight = availableHeightPx - totalWorkspacePadding.y - folderMargin;
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float scaleY = maxHeight / usedHeight;
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// Check if the icons fit within the available width.
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float usedWidth = folderCellWidthPx * inv.numFolderColumns;
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int maxWidth = availableWidthPx - totalWorkspacePadding.x - folderMargin;
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float scaleX = maxWidth / usedWidth;
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float scale = Math.min(scaleX, scaleY);
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if (scale < 1f) {
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updateFolderCellSize(scale, dm, res);
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}
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}
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private void updateFolderCellSize(float scale, DisplayMetrics dm, Resources res) {
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folderChildIconSizePx = (int) (ResourceUtils.pxFromDp(inv.iconSize, dm) * scale);
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folderChildTextSizePx =
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(int) (res.getDimensionPixelSize(R.dimen.folder_child_text_size) * scale);
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int textHeight = Utilities.calculateTextHeight(folderChildTextSizePx);
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int cellPaddingX = (int) (res.getDimensionPixelSize(R.dimen.folder_cell_x_padding) * scale);
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int cellPaddingY = (int) (res.getDimensionPixelSize(R.dimen.folder_cell_y_padding) * scale);
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folderCellWidthPx = folderChildIconSizePx + 2 * cellPaddingX;
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folderCellHeightPx = folderChildIconSizePx + 2 * cellPaddingY + textHeight;
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folderChildDrawablePaddingPx = Math.max(0,
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(folderCellHeightPx - folderChildIconSizePx - textHeight) / 3);
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}
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public void updateInsets(Rect insets) {
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mInsets.set(insets);
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updateWorkspacePadding();
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}
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/**
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* The current device insets. This is generally same as the insets being dispatched to
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* {@link Insettable} elements, but can differ if the element is using a different profile.
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*/
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public Rect getInsets() {
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return mInsets;
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}
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public Point getCellSize() {
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Point result = new Point();
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// Since we are only concerned with the overall padding, layout direction does
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// not matter.
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Point padding = getTotalWorkspacePadding();
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result.x = calculateCellWidth(availableWidthPx - padding.x
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- cellLayoutPaddingLeftRightPx * 2, inv.numColumns);
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result.y = calculateCellHeight(availableHeightPx - padding.y
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- cellLayoutBottomPaddingPx, inv.numRows);
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return result;
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}
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public Point getTotalWorkspacePadding() {
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updateWorkspacePadding();
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return new Point(workspacePadding.left + workspacePadding.right,
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workspacePadding.top + workspacePadding.bottom);
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}
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/**
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* Updates {@link #workspacePadding} as a result of any internal value change to reflect the
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* new workspace padding
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*/
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private void updateWorkspacePadding() {
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Rect padding = workspacePadding;
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if (isVerticalBarLayout()) {
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padding.top = 0;
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padding.bottom = edgeMarginPx;
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if (isSeascape()) {
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padding.left = hotseatBarSizePx;
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padding.right = verticalDragHandleSizePx;
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} else {
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padding.left = verticalDragHandleSizePx;
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padding.right = hotseatBarSizePx;
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}
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} else {
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int paddingBottom = hotseatBarSizePx + verticalDragHandleSizePx
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- verticalDragHandleOverlapWorkspace;
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if (isTablet) {
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// Pad the left and right of the workspace to ensure consistent spacing
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// between all icons
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// The amount of screen space available for left/right padding.
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int availablePaddingX = Math.max(0, widthPx - ((inv.numColumns * cellWidthPx) +
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((inv.numColumns - 1) * cellWidthPx)));
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availablePaddingX = (int) Math.min(availablePaddingX,
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widthPx * MAX_HORIZONTAL_PADDING_PERCENT);
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int availablePaddingY = Math.max(0, heightPx - edgeMarginPx - paddingBottom
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- (2 * inv.numRows * cellHeightPx) - hotseatBarTopPaddingPx
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- hotseatBarBottomPaddingPx);
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padding.set(availablePaddingX / 2, edgeMarginPx + availablePaddingY / 2,
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availablePaddingX / 2, paddingBottom + availablePaddingY / 2);
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} else {
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// Pad the top and bottom of the workspace with search/hotseat bar sizes
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padding.set(desiredWorkspaceLeftRightMarginPx,
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edgeMarginPx,
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desiredWorkspaceLeftRightMarginPx,
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paddingBottom);
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}
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}
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}
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public Rect getHotseatLayoutPadding() {
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if (isVerticalBarLayout()) {
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if (isSeascape()) {
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mHotseatPadding.set(mInsets.left + hotseatBarSidePaddingStartPx,
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mInsets.top, hotseatBarSidePaddingEndPx, mInsets.bottom);
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} else {
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mHotseatPadding.set(hotseatBarSidePaddingEndPx, mInsets.top,
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mInsets.right + hotseatBarSidePaddingStartPx, mInsets.bottom);
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}
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} else {
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// We want the edges of the hotseat to line up with the edges of the workspace, but the
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// icons in the hotseat are a different size, and so don't line up perfectly. To account
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// for this, we pad the left and right of the hotseat with half of the difference of a
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// workspace cell vs a hotseat cell.
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float workspaceCellWidth = (float) widthPx / inv.numColumns;
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float hotseatCellWidth = (float) widthPx / inv.numHotseatIcons;
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int hotseatAdjustment = Math.round((workspaceCellWidth - hotseatCellWidth) / 2);
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mHotseatPadding.set(
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hotseatAdjustment + workspacePadding.left + cellLayoutPaddingLeftRightPx,
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hotseatBarTopPaddingPx,
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hotseatAdjustment + workspacePadding.right + cellLayoutPaddingLeftRightPx,
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hotseatBarBottomPaddingPx + mInsets.bottom + cellLayoutBottomPaddingPx);
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}
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return mHotseatPadding;
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}
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/**
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* @return the bounds for which the open folders should be contained within
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*/
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public Rect getAbsoluteOpenFolderBounds() {
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if (isVerticalBarLayout()) {
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// Folders should only appear right of the drop target bar and left of the hotseat
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return new Rect(mInsets.left + dropTargetBarSizePx + edgeMarginPx,
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mInsets.top,
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mInsets.left + availableWidthPx - hotseatBarSizePx - edgeMarginPx,
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mInsets.top + availableHeightPx);
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} else {
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// Folders should only appear below the drop target bar and above the hotseat
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return new Rect(mInsets.left + edgeMarginPx,
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mInsets.top + dropTargetBarSizePx + edgeMarginPx,
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mInsets.left + availableWidthPx - edgeMarginPx,
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mInsets.top + availableHeightPx - hotseatBarSizePx
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- verticalDragHandleSizePx - edgeMarginPx);
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}
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}
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public static int calculateCellWidth(int width, int countX) {
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return width / countX;
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}
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public static int calculateCellHeight(int height, int countY) {
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return height / countY;
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}
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/**
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* When {@code true}, the device is in landscape mode and the hotseat is on the right column.
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* When {@code false}, either device is in portrait mode or the device is in landscape mode and
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* the hotseat is on the bottom row.
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*/
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public boolean isVerticalBarLayout() {
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return isLandscape && transposeLayoutWithOrientation;
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}
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/**
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* Updates orientation information and returns true if it has changed from the previous value.
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*/
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public boolean updateIsSeascape(WindowManager wm) {
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if (isVerticalBarLayout()) {
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boolean isSeascape = wm.getDefaultDisplay().getRotation() == Surface.ROTATION_270;
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if (mIsSeascape != isSeascape) {
|
mIsSeascape = isSeascape;
|
return true;
|
}
|
}
|
return false;
|
}
|
|
public boolean isSeascape() {
|
return isVerticalBarLayout() && mIsSeascape;
|
}
|
|
public boolean shouldFadeAdjacentWorkspaceScreens() {
|
return isVerticalBarLayout() || isLargeTablet;
|
}
|
|
public int getCellHeight(@ContainerType int containerType) {
|
switch (containerType) {
|
case CellLayout.WORKSPACE:
|
return cellHeightPx;
|
case CellLayout.FOLDER:
|
return folderCellHeightPx;
|
case CellLayout.HOTSEAT:
|
return hotseatCellHeightPx;
|
default:
|
// ??
|
return 0;
|
}
|
}
|
|
private static Context getContext(Context c, int orientation) {
|
Configuration context = new Configuration(c.getResources().getConfiguration());
|
context.orientation = orientation;
|
return c.createConfigurationContext(context);
|
}
|
|
/**
|
* Callback when a component changes the DeviceProfile associated with it, as a result of
|
* configuration change
|
*/
|
public interface OnDeviceProfileChangeListener {
|
|
/**
|
* Called when the device profile is reassigned. Note that for layout and measurements, it
|
* is sufficient to listen for inset changes. Use this callback when you need to perform
|
* a one time operation.
|
*/
|
void onDeviceProfileChanged(DeviceProfile dp);
|
}
|
}
|
