| /* |
| * 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.Point; |
| import android.graphics.PointF; |
| 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.widget.FrameLayout; |
| |
| import com.android.launcher3.CellLayout.ContainerType; |
| import com.android.launcher3.badge.BadgeRenderer; |
| |
| import java.util.ArrayList; |
| |
| public class DeviceProfile { |
| |
| public interface LauncherLayoutChangeListener { |
| void onLauncherLayoutChanged(); |
| } |
| |
| 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; |
| |
| private static final float TALL_DEVICE_ASPECT_RATIO_THRESHOLD = 2.0f; |
| |
| // Overview mode |
| private final int overviewModeMinIconZoneHeightPx; |
| private final int overviewModeMaxIconZoneHeightPx; |
| private final int overviewModeBarItemWidthPx; |
| private final int overviewModeBarSpacerWidthPx; |
| private final float overviewModeIconZoneRatio; |
| |
| // Workspace |
| private final int desiredWorkspaceLeftRightMarginPx; |
| public final int cellLayoutPaddingLeftRightPx; |
| public final int cellLayoutBottomPaddingPx; |
| public final int edgeMarginPx; |
| public final Rect defaultWidgetPadding; |
| private final int defaultPageSpacingPx; |
| private final int topWorkspacePadding; |
| public float workspaceSpringLoadShrinkFactor; |
| public final int workspaceSpringLoadedBottomSpace; |
| |
| // Page indicator |
| private int pageIndicatorSizePx; |
| private final int pageIndicatorLandLeftNavBarGutterPx; |
| private final int pageIndicatorLandRightNavBarGutterPx; |
| private final int pageIndicatorLandWorkspaceOffsetPx; |
| |
| // Workspace icons |
| public int iconSizePx; |
| public int iconTextSizePx; |
| public int iconDrawablePaddingPx; |
| public int iconDrawablePaddingOriginalPx; |
| |
| public int cellWidthPx; |
| public int cellHeightPx; |
| public int workspaceCellPaddingXPx; |
| |
| // Folder |
| public int folderBackgroundOffset; |
| public int folderIconSizePx; |
| public int folderIconPreviewPadding; |
| |
| // Folder cell |
| public int folderCellWidthPx; |
| public int folderCellHeightPx; |
| |
| // Folder child |
| public int folderChildIconSizePx; |
| public int folderChildTextSizePx; |
| public int folderChildDrawablePaddingPx; |
| |
| // Hotseat |
| public int hotseatCellHeightPx; |
| // In portrait: size = height, in landscape: size = width |
| public int hotseatBarSizePx; |
| public int hotseatBarTopPaddingPx; |
| public int hotseatBarBottomPaddingPx; |
| |
| public int hotseatBarLeftNavBarLeftPaddingPx; |
| public int hotseatBarLeftNavBarRightPaddingPx; |
| |
| public int hotseatBarRightNavBarLeftPaddingPx; |
| public int hotseatBarRightNavBarRightPaddingPx; |
| |
| // All apps |
| public int allAppsCellHeightPx; |
| public int allAppsNumCols; |
| public int allAppsNumPredictiveCols; |
| public int allAppsButtonVisualSize; |
| public int allAppsIconSizePx; |
| public int allAppsIconDrawablePaddingPx; |
| public float allAppsIconTextSizePx; |
| |
| // Widgets |
| public final PointF appWidgetScale = new PointF(1.0f, 1.0f); |
| |
| // Drop Target |
| public int dropTargetBarSizePx; |
| |
| // Insets |
| private Rect mInsets = new Rect(); |
| |
| // Listeners |
| private ArrayList<LauncherLayoutChangeListener> mListeners = new ArrayList<>(); |
| |
| // Icon badges |
| public BadgeRenderer mBadgeRenderer; |
| |
| 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); |
| |
| context = getContext(context, isVerticalBarLayout() |
| ? Configuration.ORIENTATION_LANDSCAPE |
| : Configuration.ORIENTATION_PORTRAIT); |
| res = context.getResources(); |
| |
| |
| 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 = isVerticalBarLayout() ? 0 : edgeMarginPx; |
| cellLayoutPaddingLeftRightPx = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_layout_padding); |
| cellLayoutBottomPaddingPx = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_layout_bottom_padding); |
| pageIndicatorSizePx = res.getDimensionPixelSize( |
| R.dimen.dynamic_grid_min_page_indicator_size); |
| pageIndicatorLandLeftNavBarGutterPx = res.getDimensionPixelSize( |
| R.dimen.dynamic_grid_page_indicator_land_left_nav_bar_gutter_width); |
| pageIndicatorLandRightNavBarGutterPx = res.getDimensionPixelSize( |
| R.dimen.dynamic_grid_page_indicator_land_right_nav_bar_gutter_width); |
| pageIndicatorLandWorkspaceOffsetPx = |
| res.getDimensionPixelSize(R.dimen.all_apps_caret_workspace_offset); |
| 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); |
| |
| workspaceCellPaddingXPx = res.getDimensionPixelSize(R.dimen.dynamic_grid_cell_padding_x); |
| |
| hotseatBarTopPaddingPx = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_top_padding); |
| hotseatBarBottomPaddingPx = |
| res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_bottom_padding); |
| hotseatBarLeftNavBarRightPaddingPx = res.getDimensionPixelSize( |
| R.dimen.dynamic_grid_hotseat_land_left_nav_bar_right_padding); |
| hotseatBarRightNavBarRightPaddingPx = res.getDimensionPixelSize( |
| R.dimen.dynamic_grid_hotseat_land_right_nav_bar_right_padding); |
| hotseatBarLeftNavBarLeftPaddingPx = res.getDimensionPixelSize( |
| R.dimen.dynamic_grid_hotseat_land_left_nav_bar_left_padding); |
| hotseatBarRightNavBarLeftPaddingPx = res.getDimensionPixelSize( |
| R.dimen.dynamic_grid_hotseat_land_right_nav_bar_left_padding); |
| hotseatBarSizePx = isVerticalBarLayout() |
| ? Utilities.pxFromDp(inv.iconSize, dm) |
| : res.getDimensionPixelSize(R.dimen.dynamic_grid_hotseat_size) |
| + hotseatBarTopPaddingPx + hotseatBarBottomPaddingPx; |
| |
| // Determine sizes. |
| widthPx = width; |
| heightPx = height; |
| if (isLandscape) { |
| availableWidthPx = maxSize.x; |
| availableHeightPx = minSize.y; |
| } else { |
| availableWidthPx = minSize.x; |
| availableHeightPx = maxSize.y; |
| } |
| |
| // Calculate all of the remaining variables. |
| updateAvailableDimensions(dm, res); |
| |
| // Now that we have all of the variables calculated, we can tune certain sizes. |
| float aspectRatio = ((float) Math.max(widthPx, heightPx)) / Math.min(widthPx, heightPx); |
| boolean isTallDevice = Float.compare(aspectRatio, TALL_DEVICE_ASPECT_RATIO_THRESHOLD) >= 0; |
| if (!isVerticalBarLayout() && isPhone && isTallDevice) { |
| // We increase the hotseat size when there is extra space. |
| // ie. For a display with a large aspect ratio, we can keep the icons on the workspace |
| // in portrait mode closer together by adding more height to the hotseat. |
| // Note: This calculation was created after noticing a pattern in the design spec. |
| int extraSpace = getCellSize().y - iconSizePx - iconDrawablePaddingPx; |
| hotseatBarSizePx += extraSpace - pageIndicatorSizePx; |
| |
| // Recalculate the available dimensions using the new hotseat size. |
| updateAvailableDimensions(dm, res); |
| } |
| |
| computeAllAppsButtonSize(context); |
| |
| // This is done last, after iconSizePx is calculated above. |
| mBadgeRenderer = new BadgeRenderer(context, iconSizePx); |
| } |
| |
| DeviceProfile getMultiWindowProfile(Context context, Point mwSize) { |
| // We take the minimum sizes of this profile and it's multi-window variant to ensure that |
| // the system decor is always excluded. |
| mwSize.set(Math.min(availableWidthPx, mwSize.x), Math.min(availableHeightPx, mwSize.y)); |
| |
| // In multi-window mode, we can have widthPx = availableWidthPx |
| // and heightPx = availableHeightPx because Launcher uses the InvariantDeviceProfiles' |
| // widthPx and heightPx values where it's needed. |
| DeviceProfile profile = new DeviceProfile(context, inv, mwSize, mwSize, mwSize.x, mwSize.y, |
| isLandscape); |
| |
| // Hide labels on the workspace. |
| profile.adjustToHideWorkspaceLabels(); |
| |
| // We use these scales to measure and layout the widgets using their full invariant profile |
| // sizes and then draw them scaled and centered to fit in their multi-window mode cellspans. |
| float appWidgetScaleX = (float) profile.getCellSize().x / getCellSize().x; |
| float appWidgetScaleY = (float) profile.getCellSize().y / getCellSize().y; |
| profile.appWidgetScale.set(appWidgetScaleX, appWidgetScaleY); |
| |
| return profile; |
| } |
| |
| public void addLauncherLayoutChangedListener(LauncherLayoutChangeListener listener) { |
| if (!mListeners.contains(listener)) { |
| mListeners.add(listener); |
| } |
| } |
| |
| public void removeLauncherLayoutChangedListener(LauncherLayoutChangeListener listener) { |
| if (mListeners.contains(listener)) { |
| mListeners.remove(listener); |
| } |
| } |
| |
| /** |
| * Adjusts the profile so that the labels on the Workspace are hidden. |
| * It is important to call this method after the All Apps variables have been set. |
| */ |
| private void adjustToHideWorkspaceLabels() { |
| iconTextSizePx = 0; |
| iconDrawablePaddingPx = 0; |
| cellHeightPx = iconSizePx; |
| |
| // In normal cases, All Apps cell height should equal the Workspace cell height. |
| // Since we are removing labels from the Workspace, we need to manually compute the |
| // All Apps cell height. |
| int topBottomPadding = allAppsIconDrawablePaddingPx * (isVerticalBarLayout() ? 2 : 1); |
| allAppsCellHeightPx = allAppsIconSizePx + allAppsIconDrawablePaddingPx |
| + Utilities.calculateTextHeight(allAppsIconTextSizePx) |
| + topBottomPadding * 2; |
| } |
| |
| /** |
| * 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) (iconSizePx * (1 - padding)) - context.getResources() |
| .getDimensionPixelSize(R.dimen.all_apps_button_scale_down); |
| } |
| |
| private void updateAvailableDimensions(DisplayMetrics dm, Resources res) { |
| updateIconSize(1f, res, dm); |
| |
| // Check to see if the icons fit within the available height. If not, then scale down. |
| float usedHeight = (cellHeightPx * inv.numRows); |
| int maxHeight = (availableHeightPx - getTotalWorkspacePadding().y); |
| if (usedHeight > maxHeight) { |
| float scale = maxHeight / usedHeight; |
| updateIconSize(scale, res, dm); |
| } |
| updateAvailableFolderCellDimensions(dm, res); |
| } |
| |
| private void updateIconSize(float scale, Resources res, DisplayMetrics dm) { |
| // Workspace |
| float invIconSizePx = isVerticalBarLayout() ? inv.landscapeIconSize : inv.iconSize; |
| iconSizePx = (int) (Utilities.pxFromDp(invIconSizePx, dm) * scale); |
| iconTextSizePx = (int) (Utilities.pxFromSp(inv.iconTextSize, dm) * scale); |
| iconDrawablePaddingPx = (int) (iconDrawablePaddingOriginalPx * scale); |
| |
| cellHeightPx = iconSizePx + iconDrawablePaddingPx |
| + Utilities.calculateTextHeight(iconTextSizePx); |
| int cellYPadding = (getCellSize().y - cellHeightPx) / 2; |
| if (iconDrawablePaddingPx > cellYPadding && !isVerticalBarLayout() |
| && !inMultiWindowMode()) { |
| // Ensures that the label is closer to its corresponding icon. This is not an issue |
| // with vertical bar layout or multi-window mode since the issue is handled separately |
| // with their calls to {@link #adjustToHideWorkspaceLabels}. |
| cellHeightPx -= (iconDrawablePaddingPx - cellYPadding); |
| iconDrawablePaddingPx = cellYPadding; |
| } |
| cellWidthPx = iconSizePx + iconDrawablePaddingPx; |
| |
| // All apps |
| allAppsIconTextSizePx = iconTextSizePx; |
| allAppsIconSizePx = iconSizePx; |
| allAppsIconDrawablePaddingPx = iconDrawablePaddingPx; |
| allAppsCellHeightPx = getCellSize().y; |
| |
| if (isVerticalBarLayout()) { |
| // Always hide the Workspace text with vertical bar layout. |
| adjustToHideWorkspaceLabels(); |
| } |
| |
| // Hotseat |
| if (isVerticalBarLayout()) { |
| hotseatBarSizePx = iconSizePx; |
| } |
| hotseatCellHeightPx = iconSizePx; |
| |
| if (!isVerticalBarLayout()) { |
| int expectedWorkspaceHeight = availableHeightPx - hotseatBarSizePx |
| - pageIndicatorSizePx - 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 icon |
| folderBackgroundOffset = -iconDrawablePaddingPx; |
| folderIconSizePx = iconSizePx + 2 * -folderBackgroundOffset; |
| folderIconPreviewPadding = res.getDimensionPixelSize(R.dimen.folder_preview_padding); |
| } |
| |
| private void updateAvailableFolderCellDimensions(DisplayMetrics dm, Resources res) { |
| int folderBottomPanelSize = res.getDimensionPixelSize(R.dimen.folder_label_padding_top) |
| + res.getDimensionPixelSize(R.dimen.folder_label_padding_bottom) |
| + Utilities.calculateTextHeight(res.getDimension(R.dimen.folder_label_text_size)); |
| |
| updateFolderCellSize(1f, dm, res); |
| |
| // Don't let the folder get too close to the edges of the screen. |
| int folderMargin = edgeMarginPx; |
| |
| // Check if the icons fit within the available height. |
| float usedHeight = folderCellHeightPx * inv.numFolderRows + folderBottomPanelSize; |
| int maxHeight = availableHeightPx - getTotalWorkspacePadding().y - folderMargin; |
| float scaleY = maxHeight / usedHeight; |
| |
| // Check if the icons fit within the available width. |
| float usedWidth = folderCellWidthPx * inv.numFolderColumns; |
| int maxWidth = availableWidthPx - getTotalWorkspacePadding().x - folderMargin; |
| float scaleX = maxWidth / usedWidth; |
| |
| float scale = Math.min(scaleX, scaleY); |
| if (scale < 1f) { |
| updateFolderCellSize(scale, dm, res); |
| } |
| } |
| |
| private void updateFolderCellSize(float scale, DisplayMetrics dm, Resources res) { |
| folderChildIconSizePx = (int) (Utilities.pxFromDp(inv.iconSize, dm) * scale); |
| folderChildTextSizePx = |
| (int) (res.getDimensionPixelSize(R.dimen.folder_child_text_size) * scale); |
| |
| int textHeight = Utilities.calculateTextHeight(folderChildTextSizePx); |
| int cellPaddingX = (int) (res.getDimensionPixelSize(R.dimen.folder_cell_x_padding) * scale); |
| int cellPaddingY = (int) (res.getDimensionPixelSize(R.dimen.folder_cell_y_padding) * scale); |
| |
| folderCellWidthPx = folderChildIconSizePx + 2 * cellPaddingX; |
| folderCellHeightPx = folderChildIconSizePx + 2 * cellPaddingY + textHeight; |
| folderChildDrawablePaddingPx = Math.max(0, |
| (folderCellHeightPx - folderChildIconSizePx - textHeight) / 3); |
| } |
| |
| public void updateInsets(Rect insets) { |
| mInsets.set(insets); |
| } |
| |
| public void updateAppsViewNumCols() { |
| allAppsNumCols = allAppsNumPredictiveCols = inv.numColumns; |
| } |
| |
| /** 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. |
| Point padding = getTotalWorkspacePadding(); |
| result.x = calculateCellWidth(availableWidthPx - padding.x |
| - cellLayoutPaddingLeftRightPx * 2, inv.numColumns); |
| result.y = calculateCellHeight(availableHeightPx - padding.y |
| - cellLayoutBottomPaddingPx, inv.numRows); |
| return result; |
| } |
| |
| public Point getTotalWorkspacePadding() { |
| Rect padding = getWorkspacePadding(null); |
| return new Point(padding.left + padding.right, padding.top + padding.bottom); |
| } |
| |
| /** |
| * Returns the workspace padding in the specified orientation. |
| */ |
| public Rect getWorkspacePadding(Rect recycle) { |
| Rect padding = recycle == null ? new Rect() : recycle; |
| if (isVerticalBarLayout()) { |
| if (mInsets.left > 0) { |
| padding.set(mInsets.left + pageIndicatorLandLeftNavBarGutterPx, |
| 0, |
| hotseatBarSizePx + hotseatBarLeftNavBarRightPaddingPx |
| + hotseatBarLeftNavBarLeftPaddingPx |
| - mInsets.left, |
| edgeMarginPx); |
| } else { |
| padding.set(pageIndicatorLandRightNavBarGutterPx, |
| 0, |
| hotseatBarSizePx + hotseatBarRightNavBarRightPaddingPx |
| + hotseatBarRightNavBarLeftPaddingPx, |
| edgeMarginPx); |
| } |
| } else { |
| int paddingBottom = hotseatBarSizePx + pageIndicatorSizePx; |
| if (isTablet) { |
| // Pad the left and right of the workspace to ensure consistent spacing |
| // between all icons |
| int width = getCurrentWidth(); |
| int height = getCurrentHeight(); |
| // The amount of screen space available for left/right padding. |
| int availablePaddingX = Math.max(0, width - ((inv.numColumns * cellWidthPx) + |
| ((inv.numColumns - 1) * cellWidthPx))); |
| availablePaddingX = (int) Math.min(availablePaddingX, |
| width * MAX_HORIZONTAL_PADDING_PERCENT); |
| int availablePaddingY = Math.max(0, height - topWorkspacePadding - paddingBottom |
| - (2 * inv.numRows * cellHeightPx) - hotseatBarTopPaddingPx |
| - hotseatBarBottomPaddingPx); |
| 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, |
| topWorkspacePadding, |
| desiredWorkspaceLeftRightMarginPx, |
| paddingBottom); |
| } |
| } |
| return padding; |
| } |
| |
| /** |
| * @return the bounds for which the open folders should be contained within |
| */ |
| public Rect getAbsoluteOpenFolderBounds() { |
| if (isVerticalBarLayout()) { |
| // Folders should only appear right of the drop target bar and left of the hotseat |
| return new Rect(mInsets.left + dropTargetBarSizePx + edgeMarginPx, |
| mInsets.top, |
| mInsets.left + availableWidthPx - hotseatBarSizePx - edgeMarginPx, |
| mInsets.top + availableHeightPx); |
| } else { |
| // Folders should only appear below the drop target bar and above the hotseat |
| return new Rect(mInsets.left, |
| mInsets.top + dropTargetBarSizePx + edgeMarginPx, |
| mInsets.left + availableWidthPx, |
| mInsets.top + availableHeightPx - hotseatBarSizePx |
| - pageIndicatorSizePx - edgeMarginPx); |
| } |
| } |
| |
| 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, getWorkspacePadding(null).left + 1); |
| } |
| } |
| |
| int getOverviewModeButtonBarHeight() { |
| int zoneHeight = (int) (overviewModeIconZoneRatio * availableHeightPx); |
| return Utilities.boundToRange(zoneHeight, |
| overviewModeMinIconZoneHeightPx, |
| overviewModeMaxIconZoneHeightPx); |
| } |
| |
| 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, boolean notifyListeners) { |
| FrameLayout.LayoutParams lp; |
| boolean hasVerticalBarLayout = isVerticalBarLayout(); |
| |
| // 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 = mInsets.top + edgeMarginPx; |
| searchBar.setLayoutParams(lp); |
| |
| // Layout the workspace |
| PagedView workspace = (PagedView) launcher.findViewById(R.id.workspace); |
| Rect workspacePadding = getWorkspacePadding(null); |
| workspace.setPadding(workspacePadding.left, workspacePadding.top, workspacePadding.right, |
| workspacePadding.bottom); |
| workspace.setPageSpacing(getWorkspacePageSpacing()); |
| |
| // Layout the hotseat |
| Hotseat hotseat = (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 |
| int paddingRight = mInsets.left > 0 |
| ? hotseatBarLeftNavBarRightPaddingPx |
| : hotseatBarRightNavBarRightPaddingPx; |
| int paddingLeft = mInsets.left > 0 |
| ? hotseatBarLeftNavBarLeftPaddingPx |
| : hotseatBarRightNavBarLeftPaddingPx; |
| |
| lp.gravity = Gravity.RIGHT; |
| lp.width = hotseatBarSizePx + mInsets.left + mInsets.right |
| + paddingLeft + paddingRight; |
| lp.height = LayoutParams.MATCH_PARENT; |
| |
| hotseat.getLayout().setPadding(mInsets.left + cellLayoutPaddingLeftRightPx |
| + paddingLeft, |
| mInsets.top, |
| mInsets.right + cellLayoutPaddingLeftRightPx + paddingRight, |
| workspacePadding.bottom + cellLayoutBottomPaddingPx); |
| } else if (isTablet) { |
| // Pad the hotseat with the workspace padding calculated above |
| lp.gravity = Gravity.BOTTOM; |
| lp.width = LayoutParams.MATCH_PARENT; |
| lp.height = hotseatBarSizePx + mInsets.bottom; |
| hotseat.getLayout().setPadding(hotseatAdjustment + workspacePadding.left |
| + cellLayoutPaddingLeftRightPx, |
| hotseatBarTopPaddingPx, |
| hotseatAdjustment + workspacePadding.right + cellLayoutPaddingLeftRightPx, |
| hotseatBarBottomPaddingPx + mInsets.bottom + cellLayoutBottomPaddingPx); |
| } 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 = hotseatBarSizePx + mInsets.bottom; |
| hotseat.getLayout().setPadding(hotseatAdjustment + workspacePadding.left |
| + cellLayoutPaddingLeftRightPx, |
| hotseatBarTopPaddingPx, |
| hotseatAdjustment + workspacePadding.right + cellLayoutPaddingLeftRightPx, |
| hotseatBarBottomPaddingPx + mInsets.bottom + cellLayoutBottomPaddingPx); |
| } |
| hotseat.setLayoutParams(lp); |
| |
| // Layout the page indicators |
| View pageIndicator = launcher.findViewById(R.id.page_indicator); |
| if (pageIndicator != null) { |
| lp = (FrameLayout.LayoutParams) pageIndicator.getLayoutParams(); |
| if (isVerticalBarLayout()) { |
| if (mInsets.left > 0) { |
| lp.leftMargin = mInsets.left; |
| } else { |
| lp.leftMargin = pageIndicatorLandWorkspaceOffsetPx; |
| } |
| lp.bottomMargin = workspacePadding.bottom; |
| } else { |
| // Put the page indicators above the hotseat |
| lp.gravity = Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM; |
| lp.height = pageIndicatorSizePx; |
| lp.bottomMargin = hotseatBarSizePx + mInsets.bottom; |
| } |
| pageIndicator.setLayoutParams(lp); |
| } |
| |
| // Layout the Overview Mode |
| ViewGroup overviewMode = launcher.getOverviewPanel(); |
| if (overviewMode != null) { |
| int visibleChildCount = getVisibleChildCount(overviewMode); |
| int totalItemWidth = visibleChildCount * overviewModeBarItemWidthPx; |
| int maxWidth = totalItemWidth + (visibleChildCount - 1) * overviewModeBarSpacerWidthPx; |
| |
| lp = (FrameLayout.LayoutParams) overviewMode.getLayoutParams(); |
| lp.width = Math.min(availableWidthPx, maxWidth); |
| lp.height = getOverviewModeButtonBarHeight(); |
| lp.bottomMargin = mInsets.bottom; |
| overviewMode.setLayoutParams(lp); |
| } |
| |
| // Layout the AllAppsRecyclerView |
| View view = launcher.findViewById(R.id.apps_list_view); |
| int paddingLeftRight = desiredWorkspaceLeftRightMarginPx + cellLayoutPaddingLeftRightPx; |
| view.setPadding(paddingLeftRight, view.getPaddingTop(), paddingLeftRight, |
| view.getPaddingBottom()); |
| |
| if (notifyListeners) { |
| for (int i = mListeners.size() - 1; i >= 0; i--) { |
| mListeners.get(i).onLauncherLayoutChanged(); |
| } |
| } |
| } |
| |
| 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 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; |
| } |
| } |
| |
| /** |
| * @return the left/right paddings for all containers. |
| */ |
| public final int[] getContainerPadding() { |
| // No paddings for portrait phone |
| if (isPhone && !isVerticalBarLayout()) { |
| return new int[] {0, 0}; |
| } |
| |
| // In landscape, we match the width of the workspace |
| Rect padding = getWorkspacePadding(null); |
| return new int[] { padding.left - mInsets.left, padding.right + mInsets.left}; |
| } |
| |
| public boolean inMultiWindowMode() { |
| return this != inv.landscapeProfile && this != inv.portraitProfile; |
| } |
| |
| public boolean shouldIgnoreLongPressToOverview(float touchX) { |
| boolean touchedLhsEdge = mInsets.left == 0 && touchX < edgeMarginPx; |
| boolean touchedRhsEdge = mInsets.right == 0 && touchX > (widthPx - edgeMarginPx); |
| return !inMultiWindowMode() && (touchedLhsEdge || touchedRhsEdge); |
| } |
| |
| private static Context getContext(Context c, int orientation) { |
| Configuration context = new Configuration(c.getResources().getConfiguration()); |
| context.orientation = orientation; |
| return c.createConfigurationContext(context); |
| |
| } |
| } |
