| /* |
| * 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.Resources; |
| import android.graphics.Paint; |
| import android.graphics.Paint.FontMetrics; |
| import android.graphics.Point; |
| import android.graphics.Rect; |
| import android.util.DisplayMetrics; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.view.ViewGroup.LayoutParams; |
| import android.view.ViewGroup.MarginLayoutParams; |
| import android.widget.FrameLayout; |
| |
| import com.android.launcher3.config.FeatureFlags; |
| |
| public class DeviceProfile { |
| |
| public final InvariantDeviceProfile inv; |
| |
| // Device properties |
| public final boolean isTablet; |
| public final boolean isLargeTablet; |
| public final boolean isPhone; |
| public final boolean transposeLayoutWithOrientation; |
| |
| // Device properties in current orientation |
| public final boolean isLandscape; |
| public final int widthPx; |
| public final int heightPx; |
| public final int availableWidthPx; |
| public final int availableHeightPx; |
| /** |
| * The maximum amount of left/right workspace padding as a percentage of the screen width. |
| * To be clear, this means that up to 7% of the screen width can be used as left padding, and |
| * 7% of the screen width can be used as right padding. |
| */ |
| private static final float MAX_HORIZONTAL_PADDING_PERCENT = 0.14f; |
| |
| // Overview mode |
| private final int overviewModeMinIconZoneHeightPx; |
| private final int overviewModeMaxIconZoneHeightPx; |
| private final int overviewModeBarItemWidthPx; |
| private final int overviewModeBarSpacerWidthPx; |
| private final float overviewModeIconZoneRatio; |
| |
| // Workspace |
| private int desiredWorkspaceLeftRightMarginPx; |
| public final int edgeMarginPx; |
| public final Rect defaultWidgetPadding; |
| private final int pageIndicatorHeightPx; |
| private final int defaultPageSpacingPx; |
| private final int topWorkspacePadding; |
| private float dragViewScale; |
| public float workspaceSpringLoadShrinkFactor; |
| public final int workspaceSpringLoadedBottomSpace; |
| |
| // Workspace icons |
| public int iconSizePx; |
| public int iconTextSizePx; |
| public int iconDrawablePaddingPx; |
| public int iconDrawablePaddingOriginalPx; |
| |
| public int cellWidthPx; |
| public int cellHeightPx; |
| |
| // Folder |
| public int folderBackgroundOffset; |
| public int folderIconSizePx; |
| public int folderIconPreviewPadding; |
| public int folderCellWidthPx; |
| public int folderCellHeightPx; |
| |
| // Hotseat |
| public int hotseatCellWidthPx; |
| public int hotseatCellHeightPx; |
| public int hotseatIconSizePx; |
| private int hotseatBarHeightPx; |
| |
| // All apps |
| public int allAppsNumCols; |
| public int allAppsNumPredictiveCols; |
| public int allAppsButtonVisualSize; |
| public final int allAppsIconSizePx; |
| public final float allAppsIconTextSizeSp; |
| |
| // Drop Target |
| public int dropTargetBarSizePx; |
| |
| public DeviceProfile(Context context, InvariantDeviceProfile inv, |
| Point minSize, Point maxSize, |
| int width, int height, boolean isLandscape) { |
| |
| this.inv = inv; |
| this.isLandscape = isLandscape; |
| |
| Resources res = context.getResources(); |
| DisplayMetrics dm = res.getDisplayMetrics(); |
| |
| // Constants from resources |
| isTablet = res.getBoolean(R.bool.is_tablet); |
| isLargeTablet = res.getBoolean(R.bool.is_large_tablet); |
| isPhone = !isTablet && !isLargeTablet; |
| |
| // Some more constants |
| transposeLayoutWithOrientation = |
| res.getBoolean(R.bool.hotseat_transpose_layout_with_orientation); |
| |
| 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); |
| topWorkspacePadding = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_workspace_top_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); |
| overviewModeBarItemWidthPx = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_bar_item_width); |
| overviewModeBarSpacerWidthPx = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_overview_bar_spacer_width); |
| overviewModeIconZoneRatio = |
| res.getInteger(R.integer.config_dynamic_grid_overview_icon_zone_percentage) / 100f; |
| iconDrawablePaddingOriginalPx = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_icon_drawable_padding); |
| dropTargetBarSizePx = res.getDimensionPixelSize(R.dimen.dynamic_grid_drop_target_size); |
| workspaceSpringLoadedBottomSpace = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_min_spring_loaded_space); |
| |
| // AllApps uses the original non-scaled icon text size |
| allAppsIconTextSizeSp = inv.iconTextSize; |
| |
| // AllApps uses the original non-scaled icon size |
| allAppsIconSizePx = Utilities.pxFromDp(inv.iconSize, dm); |
| |
| // Determine sizes. |
| widthPx = width; |
| heightPx = height; |
| if (isLandscape) { |
| availableWidthPx = maxSize.x; |
| availableHeightPx = minSize.y; |
| } else { |
| availableWidthPx = minSize.x; |
| availableHeightPx = maxSize.y; |
| } |
| |
| // Calculate the remaining vars |
| updateAvailableDimensions(dm, res); |
| computeAllAppsButtonSize(context); |
| } |
| |
| /** |
| * Determine the exact visual footprint of the all apps button, taking into account scaling |
| * and internal padding of the drawable. |
| */ |
| private void computeAllAppsButtonSize(Context context) { |
| Resources res = context.getResources(); |
| float padding = res.getInteger(R.integer.config_allAppsButtonPaddingPercent) / 100f; |
| allAppsButtonVisualSize = (int) (hotseatIconSizePx * (1 - padding)) - context.getResources() |
| .getDimensionPixelSize(R.dimen.all_apps_button_scale_down); |
| } |
| |
| private void updateAvailableDimensions(DisplayMetrics dm, Resources res) { |
| // Check to see if the icons fit in the new available height. If not, then we need to |
| // shrink the icon size. |
| float scale = 1f; |
| int drawablePadding = iconDrawablePaddingOriginalPx; |
| updateIconSize(1f, drawablePadding, res, dm); |
| float usedHeight = (cellHeightPx * inv.numRows); |
| |
| // We only care about the top and bottom workspace padding, which is not affected by RTL. |
| Rect workspacePadding = getWorkspacePadding(); |
| int maxHeight = (availableHeightPx - workspacePadding.top - workspacePadding.bottom); |
| if (usedHeight > maxHeight) { |
| scale = maxHeight / usedHeight; |
| drawablePadding = 0; |
| } |
| updateIconSize(scale, drawablePadding, res, dm); |
| } |
| |
| private void updateIconSize(float scale, int drawablePadding, Resources res, |
| DisplayMetrics dm) { |
| iconSizePx = (int) (Utilities.pxFromDp(inv.iconSize, dm) * scale); |
| iconTextSizePx = (int) (Utilities.pxFromSp(inv.iconTextSize, dm) * scale); |
| iconDrawablePaddingPx = drawablePadding; |
| hotseatIconSizePx = (int) (Utilities.pxFromDp(inv.hotseatIconSize, dm) * scale); |
| |
| // 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); |
| final float scaleDps = !FeatureFlags.LAUNCHER3_LEGACY_WORKSPACE_DND ? 0f |
| : res.getDimensionPixelSize(R.dimen.dragViewScale); |
| dragViewScale = (iconSizePx + scaleDps) / iconSizePx; |
| |
| // Hotseat |
| hotseatBarHeightPx = iconSizePx + 4 * edgeMarginPx; |
| hotseatCellWidthPx = iconSizePx; |
| hotseatCellHeightPx = iconSizePx; |
| |
| if (!isVerticalBarLayout()) { |
| int expectedWorkspaceHeight = availableHeightPx - hotseatBarHeightPx |
| - pageIndicatorHeightPx - topWorkspacePadding; |
| float minRequiredHeight = dropTargetBarSizePx + workspaceSpringLoadedBottomSpace; |
| workspaceSpringLoadShrinkFactor = Math.min( |
| res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f, |
| 1 - (minRequiredHeight / expectedWorkspaceHeight)); |
| } else { |
| workspaceSpringLoadShrinkFactor = |
| res.getInteger(R.integer.config_workspaceSpringLoadShrinkPercentage) / 100.0f; |
| } |
| |
| // Folder |
| int folderCellPadding = isTablet || isLandscape ? 6 * edgeMarginPx : 3 * edgeMarginPx; |
| // Don't let the folder get too close to the edges of the screen. |
| folderCellWidthPx = Math.min(cellWidthPx + folderCellPadding, |
| (availableWidthPx - 4 * edgeMarginPx) / inv.numFolderColumns); |
| folderCellHeightPx = cellHeightPx + edgeMarginPx; |
| folderBackgroundOffset = -edgeMarginPx; |
| folderIconSizePx = iconSizePx + 2 * -folderBackgroundOffset; |
| folderIconPreviewPadding = res.getDimensionPixelSize(R.dimen.folder_preview_padding); |
| } |
| |
| /** |
| * @param recyclerViewWidth the available width of the AllAppsRecyclerView |
| */ |
| public void updateAppsViewNumCols(Resources res, int recyclerViewWidth) { |
| int appsViewLeftMarginPx = |
| res.getDimensionPixelSize(R.dimen.all_apps_grid_view_start_margin); |
| int allAppsCellWidthGap = |
| res.getDimensionPixelSize(R.dimen.all_apps_icon_width_gap); |
| int availableAppsWidthPx = (recyclerViewWidth > 0) ? recyclerViewWidth : availableWidthPx; |
| int numAppsCols = (availableAppsWidthPx + allAppsCellWidthGap - appsViewLeftMarginPx) / |
| (allAppsIconSizePx + allAppsCellWidthGap); |
| int numPredictiveAppCols = Math.max(inv.minAllAppsPredictionColumns, numAppsCols); |
| allAppsNumCols = numAppsCols; |
| allAppsNumPredictiveCols = numPredictiveAppCols; |
| } |
| |
| /** Returns the width and height of the search bar, ignoring any padding. */ |
| public Point getSearchBarDimensForWidgetOpts() { |
| if (isVerticalBarLayout()) { |
| return new Point(dropTargetBarSizePx, availableHeightPx - 2 * edgeMarginPx); |
| } else { |
| int gap; |
| if (isTablet) { |
| // Pad the left and right of the workspace to ensure consistent spacing |
| // between all icons |
| int width = getCurrentWidth(); |
| // XXX: If the icon size changes across orientations, we will have to take |
| // that into account here too. |
| gap = ((width - 2 * edgeMarginPx |
| - (inv.numColumns * cellWidthPx)) / (2 * (inv.numColumns + 1))) |
| + edgeMarginPx; |
| } else { |
| gap = desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.right; |
| } |
| return new Point(availableWidthPx - 2 * gap, dropTargetBarSizePx); |
| } |
| } |
| |
| public Point getCellSize() { |
| Point result = new Point(); |
| // Since we are only concerned with the overall padding, layout direction does |
| // not matter. |
| Rect padding = getWorkspacePadding(); |
| result.x = calculateCellWidth(availableWidthPx - padding.left - padding.right, |
| inv.numColumns); |
| result.y = calculateCellHeight(availableHeightPx - padding.top - padding.bottom, |
| inv.numRows); |
| return result; |
| } |
| |
| /** Returns the workspace padding in the specified orientation */ |
| public Rect getWorkspacePadding() { |
| Rect padding = new Rect(); |
| if (isVerticalBarLayout()) { |
| // in case of isVerticalBarLayout, the hotseat is always on the right and the drop |
| // target bar is on the left, independent of the layout direction. |
| padding.set(dropTargetBarSizePx, edgeMarginPx, hotseatBarHeightPx, edgeMarginPx); |
| } else { |
| int paddingBottom = hotseatBarHeightPx + pageIndicatorHeightPx; |
| if (isTablet) { |
| // Pad the left and right of the workspace to ensure consistent spacing |
| // between all icons |
| float gapScale = 1f + (dragViewScale - 1f) / 2f; |
| int width = getCurrentWidth(); |
| int height = getCurrentHeight(); |
| // The amount of screen space available for left/right padding. |
| int availablePaddingX = Math.max(0, width - (int) ((inv.numColumns * cellWidthPx) + |
| ((inv.numColumns - 1) * gapScale * cellWidthPx))); |
| availablePaddingX = (int) Math.min(availablePaddingX, |
| width * MAX_HORIZONTAL_PADDING_PERCENT); |
| int availablePaddingY = Math.max(0, height - topWorkspacePadding - paddingBottom |
| - (int) (2 * inv.numRows * cellHeightPx)); |
| padding.set(availablePaddingX / 2, topWorkspacePadding + availablePaddingY / 2, |
| availablePaddingX / 2, paddingBottom + availablePaddingY / 2); |
| } else { |
| // Pad the top and bottom of the workspace with search/hotseat bar sizes |
| padding.set(desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.left, |
| topWorkspacePadding, |
| desiredWorkspaceLeftRightMarginPx - defaultWidgetPadding.right, |
| paddingBottom); |
| } |
| } |
| return padding; |
| } |
| |
| private int getWorkspacePageSpacing() { |
| if (isVerticalBarLayout() || isLargeTablet) { |
| // 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 Math.max(defaultPageSpacingPx, 2 * getWorkspacePadding().left); |
| } |
| } |
| |
| int getOverviewModeButtonBarHeight() { |
| int zoneHeight = (int) (overviewModeIconZoneRatio * availableHeightPx); |
| zoneHeight = Math.min(overviewModeMaxIconZoneHeightPx, |
| Math.max(overviewModeMinIconZoneHeightPx, zoneHeight)); |
| return zoneHeight; |
| } |
| |
| // The rect returned will be extended to below the system ui that covers the workspace |
| public boolean isInHotseatRect(int x, int y) { |
| if (isVerticalBarLayout()) { |
| return (x >= (availableWidthPx - hotseatBarHeightPx)) |
| && (y >= 0) && (y <= availableHeightPx); |
| } else { |
| return (x >= 0) && (x <= availableWidthPx) |
| && (y >= (availableHeightPx - hotseatBarHeightPx)); |
| } |
| } |
| |
| public static int calculateCellWidth(int width, int countX) { |
| return width / countX; |
| } |
| public static int calculateCellHeight(int height, int countY) { |
| return height / countY; |
| } |
| |
| /** |
| * When {@code true}, the device is in landscape mode and the hotseat is on the right column. |
| * When {@code false}, either device is in portrait mode or the device is in landscape mode and |
| * the hotseat is on the bottom row. |
| */ |
| public boolean isVerticalBarLayout() { |
| return isLandscape && transposeLayoutWithOrientation; |
| } |
| |
| boolean shouldFadeAdjacentWorkspaceScreens() { |
| return isVerticalBarLayout() || isLargeTablet; |
| } |
| |
| private int getVisibleChildCount(ViewGroup parent) { |
| int visibleChildren = 0; |
| for (int i = 0; i < parent.getChildCount(); i++) { |
| if (parent.getChildAt(i).getVisibility() != View.GONE) { |
| visibleChildren++; |
| } |
| } |
| return visibleChildren; |
| } |
| |
| public void layout(Launcher launcher) { |
| FrameLayout.LayoutParams lp; |
| boolean hasVerticalBarLayout = isVerticalBarLayout(); |
| final boolean isLayoutRtl = Utilities.isRtl(launcher.getResources()); |
| |
| // Layout the search bar space |
| Point searchBarBounds = getSearchBarDimensForWidgetOpts(); |
| View searchBar = launcher.getDropTargetBar(); |
| lp = (FrameLayout.LayoutParams) searchBar.getLayoutParams(); |
| lp.width = searchBarBounds.x; |
| lp.height = searchBarBounds.y; |
| lp.topMargin = edgeMarginPx; |
| searchBar.setLayoutParams(lp); |
| |
| // Layout the workspace |
| PagedView workspace = (PagedView) launcher.findViewById(R.id.workspace); |
| lp = (FrameLayout.LayoutParams) workspace.getLayoutParams(); |
| lp.gravity = Gravity.CENTER; |
| Rect padding = getWorkspacePadding(); |
| workspace.setLayoutParams(lp); |
| workspace.setPadding(padding.left, padding.top, padding.right, padding.bottom); |
| workspace.setPageSpacing(getWorkspacePageSpacing()); |
| |
| // Layout the hotseat |
| View hotseat = launcher.findViewById(R.id.hotseat); |
| lp = (FrameLayout.LayoutParams) hotseat.getLayoutParams(); |
| // We want the edges of the hotseat to line up with the edges of the workspace, but the |
| // icons in the hotseat are a different size, and so don't line up perfectly. To account for |
| // this, we pad the left and right of the hotseat with half of the difference of a workspace |
| // cell vs a hotseat cell. |
| float workspaceCellWidth = (float) getCurrentWidth() / inv.numColumns; |
| float hotseatCellWidth = (float) getCurrentWidth() / inv.numHotseatIcons; |
| int hotseatAdjustment = Math.round((workspaceCellWidth - hotseatCellWidth) / 2); |
| if (hasVerticalBarLayout) { |
| // Vertical hotseat -- The hotseat is fixed in the layout to be on the right of the |
| // screen regardless of RTL |
| 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 workspace padding calculated above |
| lp.gravity = Gravity.BOTTOM; |
| lp.width = LayoutParams.MATCH_PARENT; |
| lp.height = hotseatBarHeightPx; |
| hotseat.findViewById(R.id.layout).setPadding( |
| hotseatAdjustment + padding.left, 0, |
| hotseatAdjustment + padding.right, 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( |
| hotseatAdjustment + padding.left, 0, |
| hotseatAdjustment + padding.right, 0); |
| } |
| hotseat.setLayoutParams(lp); |
| |
| // Layout the page indicators |
| View pageIndicator = launcher.findViewById(R.id.page_indicator); |
| if (pageIndicator != null) { |
| lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams(); |
| if (!hasVerticalBarLayout) { |
| // Put the page indicators above the hotseat |
| lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM; |
| lp.width = LayoutParams.WRAP_CONTENT; |
| lp.bottomMargin = hotseatBarHeightPx; |
| } |
| pageIndicator.setLayoutParams(lp); |
| } |
| |
| // Layout the Overview Mode |
| ViewGroup overviewMode = launcher.getOverviewPanel(); |
| if (overviewMode != null) { |
| lp = (FrameLayout.LayoutParams) overviewMode.getLayoutParams(); |
| lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM; |
| |
| int visibleChildCount = getVisibleChildCount(overviewMode); |
| int totalItemWidth = visibleChildCount * overviewModeBarItemWidthPx; |
| int maxWidth = totalItemWidth + (visibleChildCount-1) * overviewModeBarSpacerWidthPx; |
| |
| lp.width = Math.min(availableWidthPx, maxWidth); |
| lp.height = getOverviewModeButtonBarHeight(); |
| overviewMode.setLayoutParams(lp); |
| |
| if (lp.width > totalItemWidth && visibleChildCount > 1) { |
| // We have enough space. Lets add some margin too. |
| int margin = (lp.width - totalItemWidth) / (visibleChildCount-1); |
| View lastChild = null; |
| |
| // Set margin of all visible children except the last visible child |
| for (int i = 0; i < visibleChildCount; i++) { |
| if (lastChild != null) { |
| MarginLayoutParams clp = (MarginLayoutParams) lastChild.getLayoutParams(); |
| if (isLayoutRtl) { |
| clp.leftMargin = margin; |
| } else { |
| clp.rightMargin = margin; |
| } |
| lastChild.setLayoutParams(clp); |
| lastChild = null; |
| } |
| View thisChild = overviewMode.getChildAt(i); |
| if (thisChild.getVisibility() != View.GONE) { |
| lastChild = thisChild; |
| } |
| } |
| } |
| } |
| } |
| |
| private int getCurrentWidth() { |
| return isLandscape |
| ? Math.max(widthPx, heightPx) |
| : Math.min(widthPx, heightPx); |
| } |
| |
| private int getCurrentHeight() { |
| return isLandscape |
| ? Math.min(widthPx, heightPx) |
| : Math.max(widthPx, heightPx); |
| } |
| |
| |
| public static final int getContainerPadding(Context context, int availableWidth) { |
| Resources res = context.getResources(); |
| |
| int maxSize = res.getDimensionPixelSize(R.dimen.container_max_width); |
| int minMargin = res.getDimensionPixelSize(R.dimen.container_min_margin); |
| |
| if (maxSize > 0) { |
| return Math.max(minMargin, (availableWidth - maxSize) / 2); |
| } else { |
| return Math.max(minMargin, |
| (int) res.getFraction(R.fraction.container_margin, availableWidth, 1)); |
| } |
| } |
| } |
