| /* |
| * Copyright (C) 2021 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 static com.android.launcher3.Utilities.dpiFromPx; |
| import static com.android.launcher3.config.FeatureFlags.ENABLE_TWO_PANEL_HOME; |
| import static com.android.launcher3.util.DisplayController.CHANGE_DENSITY; |
| import static com.android.launcher3.util.DisplayController.CHANGE_SUPPORTED_BOUNDS; |
| import static com.android.launcher3.util.Executors.MAIN_EXECUTOR; |
| |
| import android.annotation.TargetApi; |
| import android.appwidget.AppWidgetHostView; |
| import android.content.ComponentName; |
| import android.content.Context; |
| import android.content.res.Configuration; |
| import android.content.res.Resources; |
| import android.content.res.TypedArray; |
| import android.content.res.XmlResourceParser; |
| import android.graphics.Point; |
| import android.graphics.PointF; |
| import android.graphics.Rect; |
| import android.text.TextUtils; |
| import android.util.AttributeSet; |
| import android.util.DisplayMetrics; |
| import android.util.Log; |
| import android.util.SparseArray; |
| import android.util.TypedValue; |
| import android.util.Xml; |
| import android.view.Display; |
| |
| import androidx.annotation.IntDef; |
| import androidx.annotation.Nullable; |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.launcher3.model.DeviceGridState; |
| import com.android.launcher3.provider.RestoreDbTask; |
| import com.android.launcher3.util.DisplayController; |
| import com.android.launcher3.util.DisplayController.Info; |
| import com.android.launcher3.util.IntArray; |
| import com.android.launcher3.util.MainThreadInitializedObject; |
| import com.android.launcher3.util.Themes; |
| import com.android.launcher3.util.WindowBounds; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import java.io.IOException; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class InvariantDeviceProfile { |
| |
| public static final String TAG = "IDP"; |
| // We do not need any synchronization for this variable as its only written on UI thread. |
| public static final MainThreadInitializedObject<InvariantDeviceProfile> INSTANCE = |
| new MainThreadInitializedObject<>(InvariantDeviceProfile::new); |
| |
| @Retention(RetentionPolicy.SOURCE) |
| @IntDef({TYPE_PHONE, TYPE_MULTI_DISPLAY, TYPE_TABLET}) |
| public @interface DeviceType{} |
| public static final int TYPE_PHONE = 0; |
| public static final int TYPE_MULTI_DISPLAY = 1; |
| public static final int TYPE_TABLET = 2; |
| |
| private static final String KEY_IDP_GRID_NAME = "idp_grid_name"; |
| |
| private static final float ICON_SIZE_DEFINED_IN_APP_DP = 48; |
| |
| // Constants that affects the interpolation curve between statically defined device profile |
| // buckets. |
| private static final float KNEARESTNEIGHBOR = 3; |
| private static final float WEIGHT_POWER = 5; |
| |
| // used to offset float not being able to express extremely small weights in extreme cases. |
| private static final float WEIGHT_EFFICIENT = 100000f; |
| |
| // Used for arrays to specify different sizes (e.g. border spaces, width/height) in different |
| // constraints |
| static final int COUNT_SIZES = 5; |
| static final int INDEX_DEFAULT = 0; |
| static final int INDEX_LANDSCAPE = 1; |
| static final int INDEX_TWO_PANEL_PORTRAIT = 2; |
| static final int INDEX_TWO_PANEL_LANDSCAPE = 3; |
| static final int INDEX_ALL_APPS = 4; |
| |
| /** |
| * Number of icons per row and column in the workspace. |
| */ |
| public int numRows; |
| public int numColumns; |
| |
| /** |
| * Number of icons per row and column in the folder. |
| */ |
| public int numFolderRows; |
| public int numFolderColumns; |
| public float[] iconSize; |
| public float[] iconTextSize; |
| public int iconBitmapSize; |
| public int fillResIconDpi; |
| public @DeviceType int deviceType; |
| |
| public PointF[] minCellSize; |
| |
| public PointF[] borderSpaces; |
| public float folderBorderSpace; |
| |
| public float[] horizontalMargin; |
| |
| private SparseArray<TypedValue> mExtraAttrs; |
| |
| /** |
| * Number of icons inside the hotseat area. |
| */ |
| protected int numShownHotseatIcons; |
| |
| /** |
| * Number of icons inside the hotseat area that is stored in the database. This is greater than |
| * or equal to numnShownHotseatIcons, allowing for a seamless transition between two hotseat |
| * sizes that share the same DB. |
| */ |
| public int numDatabaseHotseatIcons; |
| |
| /** |
| * Number of columns in the all apps list. |
| */ |
| public int numAllAppsColumns; |
| public int numDatabaseAllAppsColumns; |
| |
| /** |
| * Do not query directly. see {@link DeviceProfile#isScalableGrid}. |
| */ |
| protected boolean isScalable; |
| public int devicePaddingId; |
| |
| public String dbFile; |
| public int defaultLayoutId; |
| int demoModeLayoutId; |
| |
| /** |
| * An immutable list of supported profiles. |
| */ |
| public List<DeviceProfile> supportedProfiles = Collections.EMPTY_LIST; |
| |
| @Nullable |
| public DevicePaddings devicePaddings; |
| |
| public Point defaultWallpaperSize; |
| public Rect defaultWidgetPadding; |
| |
| private final ArrayList<OnIDPChangeListener> mChangeListeners = new ArrayList<>(); |
| |
| @VisibleForTesting |
| public InvariantDeviceProfile() { |
| } |
| |
| @TargetApi(23) |
| private InvariantDeviceProfile(Context context) { |
| String gridName = getCurrentGridName(context); |
| String newGridName = initGrid(context, gridName); |
| if (!newGridName.equals(gridName)) { |
| Utilities.getPrefs(context).edit().putString(KEY_IDP_GRID_NAME, newGridName).apply(); |
| } |
| new DeviceGridState(this).writeToPrefs(context); |
| |
| DisplayController.INSTANCE.get(context).setPriorityListener( |
| (displayContext, info, flags) -> { |
| if ((flags & (CHANGE_DENSITY | CHANGE_SUPPORTED_BOUNDS)) != 0) { |
| onConfigChanged(displayContext); |
| } |
| }); |
| } |
| |
| /** |
| * This constructor should NOT have any monitors by design. |
| */ |
| public InvariantDeviceProfile(Context context, String gridName) { |
| String newName = initGrid(context, gridName); |
| if (newName == null || !newName.equals(gridName)) { |
| throw new IllegalArgumentException("Unknown grid name"); |
| } |
| } |
| |
| /** |
| * This constructor should NOT have any monitors by design. |
| */ |
| public InvariantDeviceProfile(Context context, Display display) { |
| // Ensure that the main device profile is initialized |
| INSTANCE.get(context); |
| String gridName = getCurrentGridName(context); |
| |
| // Get the display info based on default display and interpolate it to existing display |
| Info defaultInfo = DisplayController.INSTANCE.get(context).getInfo(); |
| @DeviceType int defaultDeviceType = getDeviceType(defaultInfo); |
| DisplayOption defaultDisplayOption = invDistWeightedInterpolate( |
| defaultInfo, |
| getPredefinedDeviceProfiles(context, gridName, defaultDeviceType, |
| /*allowDisabledGrid=*/false), |
| defaultDeviceType); |
| |
| Info myInfo = new Info(context, display); |
| @DeviceType int deviceType = getDeviceType(myInfo); |
| DisplayOption myDisplayOption = invDistWeightedInterpolate( |
| myInfo, |
| getPredefinedDeviceProfiles(context, gridName, deviceType, |
| /*allowDisabledGrid=*/false), |
| deviceType); |
| |
| DisplayOption result = new DisplayOption(defaultDisplayOption.grid) |
| .add(myDisplayOption); |
| result.iconSizes[INDEX_DEFAULT] = |
| defaultDisplayOption.iconSizes[INDEX_DEFAULT]; |
| for (int i = 1; i < COUNT_SIZES; i++) { |
| result.iconSizes[i] = Math.min( |
| defaultDisplayOption.iconSizes[i], myDisplayOption.iconSizes[i]); |
| } |
| |
| System.arraycopy(defaultDisplayOption.minCellSize, 0, result.minCellSize, 0, |
| COUNT_SIZES); |
| System.arraycopy(defaultDisplayOption.borderSpaces, 0, result.borderSpaces, 0, |
| COUNT_SIZES); |
| |
| initGrid(context, myInfo, result, deviceType); |
| } |
| |
| /** |
| * Reinitialize the current grid after a restore, where some grids might now be disabled. |
| */ |
| public void reinitializeAfterRestore(Context context) { |
| String currentDbFile = dbFile; |
| String gridName = getCurrentGridName(context); |
| String newGridName = initGrid(context, gridName); |
| if (!newGridName.equals(gridName)) { |
| Log.d(TAG, "Restored grid is disabled : " + gridName |
| + ", migrating to: " + newGridName |
| + ", removing all other grid db files"); |
| for (String gridDbFile : LauncherFiles.GRID_DB_FILES) { |
| if (gridDbFile.equals(currentDbFile)) { |
| continue; |
| } |
| if (context.getDatabasePath(gridDbFile).delete()) { |
| Log.d(TAG, "Removed old grid db file: " + gridDbFile); |
| } |
| } |
| setCurrentGrid(context, gridName); |
| } |
| } |
| |
| private static @DeviceType int getDeviceType(Info displayInfo) { |
| // Each screen has two profiles (portrait/landscape), so devices with four or more |
| // supported profiles implies two or more internal displays. |
| if (displayInfo.supportedBounds.size() >= 4 && ENABLE_TWO_PANEL_HOME.get()) { |
| return TYPE_MULTI_DISPLAY; |
| } else if (displayInfo.supportedBounds.stream().allMatch(displayInfo::isTablet)) { |
| return TYPE_TABLET; |
| } else { |
| return TYPE_PHONE; |
| } |
| } |
| |
| public static String getCurrentGridName(Context context) { |
| return Utilities.isGridOptionsEnabled(context) |
| ? Utilities.getPrefs(context).getString(KEY_IDP_GRID_NAME, null) : null; |
| } |
| |
| private String initGrid(Context context, String gridName) { |
| Info displayInfo = DisplayController.INSTANCE.get(context).getInfo(); |
| @DeviceType int deviceType = getDeviceType(displayInfo); |
| |
| ArrayList<DisplayOption> allOptions = |
| getPredefinedDeviceProfiles(context, gridName, deviceType, |
| RestoreDbTask.isPending(context)); |
| DisplayOption displayOption = |
| invDistWeightedInterpolate(displayInfo, allOptions, deviceType); |
| initGrid(context, displayInfo, displayOption, deviceType); |
| return displayOption.grid.name; |
| } |
| |
| private void initGrid(Context context, Info displayInfo, DisplayOption displayOption, |
| @DeviceType int deviceType) { |
| DisplayMetrics metrics = context.getResources().getDisplayMetrics(); |
| GridOption closestProfile = displayOption.grid; |
| numRows = closestProfile.numRows; |
| numColumns = closestProfile.numColumns; |
| dbFile = closestProfile.dbFile; |
| defaultLayoutId = closestProfile.defaultLayoutId; |
| demoModeLayoutId = closestProfile.demoModeLayoutId; |
| numFolderRows = closestProfile.numFolderRows; |
| numFolderColumns = closestProfile.numFolderColumns; |
| isScalable = closestProfile.isScalable; |
| devicePaddingId = closestProfile.devicePaddingId; |
| this.deviceType = deviceType; |
| |
| mExtraAttrs = closestProfile.extraAttrs; |
| |
| iconSize = displayOption.iconSizes; |
| float maxIconSize = iconSize[0]; |
| for (int i = 1; i < iconSize.length; i++) { |
| maxIconSize = Math.max(maxIconSize, iconSize[i]); |
| } |
| iconBitmapSize = ResourceUtils.pxFromDp(maxIconSize, metrics); |
| fillResIconDpi = getLauncherIconDensity(iconBitmapSize); |
| |
| iconTextSize = displayOption.textSizes; |
| |
| minCellSize = displayOption.minCellSize; |
| |
| borderSpaces = displayOption.borderSpaces; |
| folderBorderSpace = displayOption.folderBorderSpace; |
| |
| horizontalMargin = displayOption.horizontalMargin; |
| |
| numShownHotseatIcons = closestProfile.numHotseatIcons; |
| numDatabaseHotseatIcons = deviceType == TYPE_MULTI_DISPLAY |
| ? closestProfile.numDatabaseHotseatIcons : closestProfile.numHotseatIcons; |
| |
| numAllAppsColumns = closestProfile.numAllAppsColumns; |
| numDatabaseAllAppsColumns = deviceType == TYPE_MULTI_DISPLAY |
| ? closestProfile.numDatabaseAllAppsColumns : closestProfile.numAllAppsColumns; |
| |
| if (!Utilities.isGridOptionsEnabled(context)) { |
| iconSize[INDEX_ALL_APPS] = iconSize[INDEX_DEFAULT]; |
| iconTextSize[INDEX_ALL_APPS] = iconTextSize[INDEX_DEFAULT]; |
| } |
| |
| if (devicePaddingId != 0) { |
| devicePaddings = new DevicePaddings(context, devicePaddingId); |
| } |
| |
| // If the partner customization apk contains any grid overrides, apply them |
| // Supported overrides: numRows, numColumns, iconSize |
| applyPartnerDeviceProfileOverrides(context, metrics); |
| |
| final List<DeviceProfile> localSupportedProfiles = new ArrayList<>(); |
| defaultWallpaperSize = new Point(displayInfo.currentSize); |
| for (WindowBounds bounds : displayInfo.supportedBounds) { |
| localSupportedProfiles.add(new DeviceProfile.Builder(context, this, displayInfo) |
| .setUseTwoPanels(deviceType == TYPE_MULTI_DISPLAY) |
| .setWindowBounds(bounds).build()); |
| |
| // Wallpaper size should be the maximum of the all possible sizes Launcher expects |
| int displayWidth = bounds.bounds.width(); |
| int displayHeight = bounds.bounds.height(); |
| defaultWallpaperSize.y = Math.max(defaultWallpaperSize.y, displayHeight); |
| |
| // We need to ensure that there is enough extra space in the wallpaper |
| // for the intended parallax effects |
| float parallaxFactor = |
| dpiFromPx(Math.min(displayWidth, displayHeight), displayInfo.densityDpi) < 720 |
| ? 2 |
| : wallpaperTravelToScreenWidthRatio(displayWidth, displayHeight); |
| defaultWallpaperSize.x = |
| Math.max(defaultWallpaperSize.x, Math.round(parallaxFactor * displayWidth)); |
| } |
| supportedProfiles = Collections.unmodifiableList(localSupportedProfiles); |
| |
| ComponentName cn = new ComponentName(context.getPackageName(), getClass().getName()); |
| defaultWidgetPadding = AppWidgetHostView.getDefaultPaddingForWidget(context, cn, null); |
| } |
| |
| public void addOnChangeListener(OnIDPChangeListener listener) { |
| mChangeListeners.add(listener); |
| } |
| |
| public void removeOnChangeListener(OnIDPChangeListener listener) { |
| mChangeListeners.remove(listener); |
| } |
| |
| |
| public void setCurrentGrid(Context context, String gridName) { |
| Context appContext = context.getApplicationContext(); |
| Utilities.getPrefs(appContext).edit().putString(KEY_IDP_GRID_NAME, gridName).apply(); |
| MAIN_EXECUTOR.execute(() -> onConfigChanged(appContext)); |
| } |
| |
| private Object[] toModelState() { |
| return new Object[]{ |
| numColumns, numRows, numDatabaseHotseatIcons, iconBitmapSize, fillResIconDpi, |
| numDatabaseAllAppsColumns, dbFile}; |
| } |
| |
| private void onConfigChanged(Context context) { |
| Object[] oldState = toModelState(); |
| |
| // Re-init grid |
| String gridName = getCurrentGridName(context); |
| initGrid(context, gridName); |
| |
| boolean modelPropsChanged = !Arrays.equals(oldState, toModelState()); |
| for (OnIDPChangeListener listener : mChangeListeners) { |
| listener.onIdpChanged(modelPropsChanged); |
| } |
| } |
| |
| private static ArrayList<DisplayOption> getPredefinedDeviceProfiles(Context context, |
| String gridName, @DeviceType int deviceType, boolean allowDisabledGrid) { |
| ArrayList<DisplayOption> profiles = new ArrayList<>(); |
| |
| try (XmlResourceParser parser = context.getResources().getXml(R.xml.device_profiles)) { |
| final int depth = parser.getDepth(); |
| int type; |
| while (((type = parser.next()) != XmlPullParser.END_TAG || |
| parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { |
| if ((type == XmlPullParser.START_TAG) |
| && GridOption.TAG_NAME.equals(parser.getName())) { |
| |
| GridOption gridOption = new GridOption(context, Xml.asAttributeSet(parser), |
| deviceType); |
| if (gridOption.isEnabled || allowDisabledGrid) { |
| final int displayDepth = parser.getDepth(); |
| while (((type = parser.next()) != XmlPullParser.END_TAG |
| || parser.getDepth() > displayDepth) |
| && type != XmlPullParser.END_DOCUMENT) { |
| if ((type == XmlPullParser.START_TAG) && "display-option".equals( |
| parser.getName())) { |
| profiles.add(new DisplayOption(gridOption, context, |
| Xml.asAttributeSet(parser))); |
| } |
| } |
| } |
| } |
| } |
| } catch (IOException | XmlPullParserException e) { |
| throw new RuntimeException(e); |
| } |
| |
| ArrayList<DisplayOption> filteredProfiles = new ArrayList<>(); |
| if (!TextUtils.isEmpty(gridName)) { |
| for (DisplayOption option : profiles) { |
| if (gridName.equals(option.grid.name) |
| && (option.grid.isEnabled || allowDisabledGrid)) { |
| filteredProfiles.add(option); |
| } |
| } |
| } |
| if (filteredProfiles.isEmpty()) { |
| // No grid found, use the default options |
| for (DisplayOption option : profiles) { |
| if (option.canBeDefault) { |
| filteredProfiles.add(option); |
| } |
| } |
| } |
| if (filteredProfiles.isEmpty()) { |
| throw new RuntimeException("No display option with canBeDefault=true"); |
| } |
| return filteredProfiles; |
| } |
| |
| /** |
| * @return all the grid options that can be shown on the device |
| */ |
| public List<GridOption> parseAllGridOptions(Context context) { |
| List<GridOption> result = new ArrayList<>(); |
| |
| try (XmlResourceParser parser = context.getResources().getXml(R.xml.device_profiles)) { |
| final int depth = parser.getDepth(); |
| int type; |
| while (((type = parser.next()) != XmlPullParser.END_TAG |
| || parser.getDepth() > depth) && type != XmlPullParser.END_DOCUMENT) { |
| if ((type == XmlPullParser.START_TAG) |
| && GridOption.TAG_NAME.equals(parser.getName())) { |
| GridOption option = |
| new GridOption(context, Xml.asAttributeSet(parser), deviceType); |
| if (option.isEnabled) { |
| result.add(option); |
| } |
| } |
| } |
| } catch (IOException | XmlPullParserException e) { |
| Log.e(TAG, "Error parsing device profile", e); |
| return Collections.emptyList(); |
| } |
| return result; |
| } |
| |
| private int getLauncherIconDensity(int requiredSize) { |
| // Densities typically defined by an app. |
| int[] densityBuckets = new int[]{ |
| DisplayMetrics.DENSITY_LOW, |
| DisplayMetrics.DENSITY_MEDIUM, |
| DisplayMetrics.DENSITY_TV, |
| DisplayMetrics.DENSITY_HIGH, |
| DisplayMetrics.DENSITY_XHIGH, |
| DisplayMetrics.DENSITY_XXHIGH, |
| DisplayMetrics.DENSITY_XXXHIGH |
| }; |
| |
| int density = DisplayMetrics.DENSITY_XXXHIGH; |
| for (int i = densityBuckets.length - 1; i >= 0; i--) { |
| float expectedSize = ICON_SIZE_DEFINED_IN_APP_DP * densityBuckets[i] |
| / DisplayMetrics.DENSITY_DEFAULT; |
| if (expectedSize >= requiredSize) { |
| density = densityBuckets[i]; |
| } |
| } |
| |
| return density; |
| } |
| |
| /** |
| * Apply any Partner customization grid overrides. |
| * |
| * Currently we support: all apps row / column count. |
| */ |
| private void applyPartnerDeviceProfileOverrides(Context context, DisplayMetrics dm) { |
| Partner p = Partner.get(context.getPackageManager()); |
| if (p != null) { |
| p.applyInvariantDeviceProfileOverrides(this, dm); |
| } |
| } |
| |
| private static float dist(float x0, float y0, float x1, float y1) { |
| return (float) Math.hypot(x1 - x0, y1 - y0); |
| } |
| |
| private static DisplayOption invDistWeightedInterpolate( |
| Info displayInfo, ArrayList<DisplayOption> points, @DeviceType int deviceType) { |
| int minWidthPx = Integer.MAX_VALUE; |
| int minHeightPx = Integer.MAX_VALUE; |
| for (WindowBounds bounds : displayInfo.supportedBounds) { |
| boolean isTablet = displayInfo.isTablet(bounds); |
| if (isTablet && deviceType == TYPE_MULTI_DISPLAY) { |
| // For split displays, take half width per page |
| minWidthPx = Math.min(minWidthPx, bounds.availableSize.x / 2); |
| minHeightPx = Math.min(minHeightPx, bounds.availableSize.y); |
| |
| } else if (!isTablet && bounds.isLandscape()) { |
| // We will use transposed layout in this case |
| minWidthPx = Math.min(minWidthPx, bounds.availableSize.y); |
| minHeightPx = Math.min(minHeightPx, bounds.availableSize.x); |
| } else { |
| minWidthPx = Math.min(minWidthPx, bounds.availableSize.x); |
| minHeightPx = Math.min(minHeightPx, bounds.availableSize.y); |
| } |
| } |
| |
| float width = dpiFromPx(minWidthPx, displayInfo.densityDpi); |
| float height = dpiFromPx(minHeightPx, displayInfo.densityDpi); |
| |
| // Sort the profiles based on the closeness to the device size |
| Collections.sort(points, (a, b) -> |
| Float.compare(dist(width, height, a.minWidthDps, a.minHeightDps), |
| dist(width, height, b.minWidthDps, b.minHeightDps))); |
| |
| DisplayOption closestPoint = points.get(0); |
| GridOption closestOption = closestPoint.grid; |
| float weights = 0; |
| |
| if (dist(width, height, closestPoint.minWidthDps, closestPoint.minHeightDps) == 0) { |
| return closestPoint; |
| } |
| |
| DisplayOption out = new DisplayOption(closestOption); |
| for (int i = 0; i < points.size() && i < KNEARESTNEIGHBOR; ++i) { |
| DisplayOption p = points.get(i); |
| float w = weight(width, height, p.minWidthDps, p.minHeightDps, WEIGHT_POWER); |
| weights += w; |
| out.add(new DisplayOption().add(p).multiply(w)); |
| } |
| out.multiply(1.0f / weights); |
| |
| // Since the bitmaps are persisted, ensure that all bitmap sizes are not larger than |
| // predefined size to avoid cache invalidation |
| for (int i = INDEX_DEFAULT; i < COUNT_SIZES; i++) { |
| out.iconSizes[i] = Math.min(out.iconSizes[i], closestPoint.iconSizes[i]); |
| } |
| |
| return out; |
| } |
| |
| public DeviceProfile getDeviceProfile(Context context) { |
| Resources res = context.getResources(); |
| Configuration config = context.getResources().getConfiguration(); |
| |
| float screenWidth = config.screenWidthDp * res.getDisplayMetrics().density; |
| float screenHeight = config.screenHeightDp * res.getDisplayMetrics().density; |
| return getBestMatch(screenWidth, screenHeight); |
| } |
| |
| public DeviceProfile getBestMatch(float screenWidth, float screenHeight) { |
| DeviceProfile bestMatch = supportedProfiles.get(0); |
| float minDiff = Float.MAX_VALUE; |
| |
| for (DeviceProfile profile : supportedProfiles) { |
| float diff = Math.abs(profile.widthPx - screenWidth) |
| + Math.abs(profile.heightPx - screenHeight); |
| if (diff < minDiff) { |
| minDiff = diff; |
| bestMatch = profile; |
| } |
| } |
| return bestMatch; |
| } |
| |
| private static float weight(float x0, float y0, float x1, float y1, float pow) { |
| float d = dist(x0, y0, x1, y1); |
| if (Float.compare(d, 0f) == 0) { |
| return Float.POSITIVE_INFINITY; |
| } |
| return (float) (WEIGHT_EFFICIENT / Math.pow(d, pow)); |
| } |
| |
| /** |
| * As a ratio of screen height, the total distance we want the parallax effect to span |
| * horizontally |
| */ |
| private static float wallpaperTravelToScreenWidthRatio(int width, int height) { |
| float aspectRatio = width / (float) height; |
| |
| // At an aspect ratio of 16/10, the wallpaper parallax effect should span 1.5 * screen width |
| // At an aspect ratio of 10/16, the wallpaper parallax effect should span 1.2 * screen width |
| // We will use these two data points to extrapolate how much the wallpaper parallax effect |
| // to span (ie travel) at any aspect ratio: |
| |
| final float ASPECT_RATIO_LANDSCAPE = 16 / 10f; |
| final float ASPECT_RATIO_PORTRAIT = 10 / 16f; |
| final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE = 1.5f; |
| final float WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT = 1.2f; |
| |
| // To find out the desired width at different aspect ratios, we use the following two |
| // formulas, where the coefficient on x is the aspect ratio (width/height): |
| // (16/10)x + y = 1.5 |
| // (10/16)x + y = 1.2 |
| // We solve for x and y and end up with a final formula: |
| final float x = |
| (WALLPAPER_WIDTH_TO_SCREEN_RATIO_LANDSCAPE |
| - WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT) / |
| (ASPECT_RATIO_LANDSCAPE - ASPECT_RATIO_PORTRAIT); |
| final float y = WALLPAPER_WIDTH_TO_SCREEN_RATIO_PORTRAIT - x * ASPECT_RATIO_PORTRAIT; |
| return x * aspectRatio + y; |
| } |
| |
| public interface OnIDPChangeListener { |
| |
| /** |
| * Called when the device provide changes |
| */ |
| void onIdpChanged(boolean modelPropertiesChanged); |
| } |
| |
| |
| public static final class GridOption { |
| |
| public static final String TAG_NAME = "grid-option"; |
| |
| private static final int DEVICE_CATEGORY_PHONE = 1 << 0; |
| private static final int DEVICE_CATEGORY_TABLET = 1 << 1; |
| private static final int DEVICE_CATEGORY_MULTI_DISPLAY = 1 << 2; |
| private static final int DEVICE_CATEGORY_ALL = |
| DEVICE_CATEGORY_PHONE | DEVICE_CATEGORY_TABLET | DEVICE_CATEGORY_MULTI_DISPLAY; |
| |
| public final String name; |
| public final int numRows; |
| public final int numColumns; |
| public final boolean isEnabled; |
| |
| private final int numFolderRows; |
| private final int numFolderColumns; |
| |
| private final int numAllAppsColumns; |
| private final int numDatabaseAllAppsColumns; |
| private final int numHotseatIcons; |
| private final int numDatabaseHotseatIcons; |
| |
| private final String dbFile; |
| |
| private final int defaultLayoutId; |
| private final int demoModeLayoutId; |
| |
| private final boolean isScalable; |
| private final int devicePaddingId; |
| |
| private final SparseArray<TypedValue> extraAttrs; |
| |
| public GridOption(Context context, AttributeSet attrs, @DeviceType int deviceType) { |
| TypedArray a = context.obtainStyledAttributes( |
| attrs, R.styleable.GridDisplayOption); |
| name = a.getString(R.styleable.GridDisplayOption_name); |
| numRows = a.getInt(R.styleable.GridDisplayOption_numRows, 0); |
| numColumns = a.getInt(R.styleable.GridDisplayOption_numColumns, 0); |
| |
| dbFile = a.getString(R.styleable.GridDisplayOption_dbFile); |
| defaultLayoutId = a.getResourceId(deviceType == TYPE_MULTI_DISPLAY && a.hasValue( |
| R.styleable.GridDisplayOption_defaultSplitDisplayLayoutId) |
| ? R.styleable.GridDisplayOption_defaultSplitDisplayLayoutId |
| : R.styleable.GridDisplayOption_defaultLayoutId, 0); |
| demoModeLayoutId = a.getResourceId( |
| R.styleable.GridDisplayOption_demoModeLayoutId, defaultLayoutId); |
| |
| numAllAppsColumns = a.getInt( |
| R.styleable.GridDisplayOption_numAllAppsColumns, numColumns); |
| numDatabaseAllAppsColumns = a.getInt( |
| R.styleable.GridDisplayOption_numExtendedAllAppsColumns, 2 * numAllAppsColumns); |
| |
| numHotseatIcons = a.getInt( |
| R.styleable.GridDisplayOption_numHotseatIcons, numColumns); |
| numDatabaseHotseatIcons = a.getInt( |
| R.styleable.GridDisplayOption_numExtendedHotseatIcons, 2 * numHotseatIcons); |
| |
| numFolderRows = a.getInt( |
| R.styleable.GridDisplayOption_numFolderRows, numRows); |
| numFolderColumns = a.getInt( |
| R.styleable.GridDisplayOption_numFolderColumns, numColumns); |
| |
| isScalable = a.getBoolean( |
| R.styleable.GridDisplayOption_isScalable, false); |
| devicePaddingId = a.getResourceId( |
| R.styleable.GridDisplayOption_devicePaddingId, 0); |
| |
| int deviceCategory = a.getInt(R.styleable.GridDisplayOption_deviceCategory, |
| DEVICE_CATEGORY_ALL); |
| isEnabled = (deviceType == TYPE_PHONE |
| && ((deviceCategory & DEVICE_CATEGORY_PHONE) == DEVICE_CATEGORY_PHONE)) |
| || (deviceType == TYPE_TABLET |
| && ((deviceCategory & DEVICE_CATEGORY_TABLET) == DEVICE_CATEGORY_TABLET)) |
| || (deviceType == TYPE_MULTI_DISPLAY |
| && ((deviceCategory & DEVICE_CATEGORY_MULTI_DISPLAY) |
| == DEVICE_CATEGORY_MULTI_DISPLAY)); |
| |
| a.recycle(); |
| extraAttrs = Themes.createValueMap(context, attrs, |
| IntArray.wrap(R.styleable.GridDisplayOption)); |
| } |
| } |
| |
| @VisibleForTesting |
| static final class DisplayOption { |
| |
| public final GridOption grid; |
| |
| private final float minWidthDps; |
| private final float minHeightDps; |
| private final boolean canBeDefault; |
| |
| private final PointF[] minCellSize = new PointF[COUNT_SIZES]; |
| |
| private float folderBorderSpace; |
| private final PointF[] borderSpaces = new PointF[COUNT_SIZES]; |
| private final float[] horizontalMargin = new float[COUNT_SIZES]; |
| |
| private final float[] iconSizes = new float[COUNT_SIZES]; |
| private final float[] textSizes = new float[COUNT_SIZES]; |
| |
| DisplayOption(GridOption grid, Context context, AttributeSet attrs) { |
| this.grid = grid; |
| |
| TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.ProfileDisplayOption); |
| |
| minWidthDps = a.getFloat(R.styleable.ProfileDisplayOption_minWidthDps, 0); |
| minHeightDps = a.getFloat(R.styleable.ProfileDisplayOption_minHeightDps, 0); |
| |
| canBeDefault = a.getBoolean(R.styleable.ProfileDisplayOption_canBeDefault, false); |
| |
| float x; |
| float y; |
| |
| x = a.getFloat(R.styleable.ProfileDisplayOption_minCellWidthDps, 0); |
| y = a.getFloat(R.styleable.ProfileDisplayOption_minCellHeightDps, 0); |
| minCellSize[INDEX_DEFAULT] = new PointF(x, y); |
| minCellSize[INDEX_LANDSCAPE] = new PointF(x, y); |
| minCellSize[INDEX_ALL_APPS] = new PointF(x, y); |
| |
| x = a.getFloat(R.styleable.ProfileDisplayOption_twoPanelPortraitMinCellWidthDps, |
| minCellSize[INDEX_DEFAULT].x); |
| y = a.getFloat(R.styleable.ProfileDisplayOption_twoPanelPortraitMinCellHeightDps, |
| minCellSize[INDEX_DEFAULT].y); |
| minCellSize[INDEX_TWO_PANEL_PORTRAIT] = new PointF(x, y); |
| |
| x = a.getFloat(R.styleable.ProfileDisplayOption_twoPanelLandscapeMinCellWidthDps, |
| minCellSize[INDEX_DEFAULT].x); |
| y = a.getFloat(R.styleable.ProfileDisplayOption_twoPanelLandscapeMinCellHeightDps, |
| minCellSize[INDEX_DEFAULT].y); |
| minCellSize[INDEX_TWO_PANEL_LANDSCAPE] = new PointF(x, y); |
| |
| float borderSpace = a.getFloat(R.styleable.ProfileDisplayOption_borderSpaceDps, 0); |
| float twoPanelPortraitBorderSpaceDps = a.getFloat( |
| R.styleable.ProfileDisplayOption_twoPanelPortraitBorderSpaceDps, borderSpace); |
| float twoPanelLandscapeBorderSpaceDps = a.getFloat( |
| R.styleable.ProfileDisplayOption_twoPanelLandscapeBorderSpaceDps, borderSpace); |
| |
| x = a.getFloat(R.styleable.ProfileDisplayOption_borderSpaceHorizontalDps, borderSpace); |
| y = a.getFloat(R.styleable.ProfileDisplayOption_borderSpaceVerticalDps, borderSpace); |
| borderSpaces[INDEX_DEFAULT] = new PointF(x, y); |
| borderSpaces[INDEX_LANDSCAPE] = new PointF(x, y); |
| |
| x = a.getFloat( |
| R.styleable.ProfileDisplayOption_twoPanelPortraitBorderSpaceHorizontalDps, |
| twoPanelPortraitBorderSpaceDps); |
| y = a.getFloat( |
| R.styleable.ProfileDisplayOption_twoPanelPortraitBorderSpaceVerticalDps, |
| twoPanelPortraitBorderSpaceDps); |
| borderSpaces[INDEX_TWO_PANEL_PORTRAIT] = new PointF(x, y); |
| |
| x = a.getFloat( |
| R.styleable.ProfileDisplayOption_twoPanelLandscapeBorderSpaceHorizontalDps, |
| twoPanelLandscapeBorderSpaceDps); |
| y = a.getFloat( |
| R.styleable.ProfileDisplayOption_twoPanelLandscapeBorderSpaceVerticalDps, |
| twoPanelLandscapeBorderSpaceDps); |
| borderSpaces[INDEX_TWO_PANEL_LANDSCAPE] = new PointF(x, y); |
| |
| x = y = a.getFloat(R.styleable.ProfileDisplayOption_allAppsCellSpacingDps, |
| borderSpace); |
| borderSpaces[INDEX_ALL_APPS] = new PointF(x, y); |
| folderBorderSpace = borderSpace; |
| |
| iconSizes[INDEX_DEFAULT] = |
| a.getFloat(R.styleable.ProfileDisplayOption_iconImageSize, 0); |
| iconSizes[INDEX_LANDSCAPE] = |
| a.getFloat(R.styleable.ProfileDisplayOption_landscapeIconSize, |
| iconSizes[INDEX_DEFAULT]); |
| iconSizes[INDEX_ALL_APPS] = |
| a.getFloat(R.styleable.ProfileDisplayOption_allAppsIconSize, |
| iconSizes[INDEX_DEFAULT]); |
| iconSizes[INDEX_TWO_PANEL_PORTRAIT] = |
| a.getFloat(R.styleable.ProfileDisplayOption_twoPanelPortraitIconSize, |
| iconSizes[INDEX_DEFAULT]); |
| iconSizes[INDEX_TWO_PANEL_LANDSCAPE] = |
| a.getFloat(R.styleable.ProfileDisplayOption_twoPanelLandscapeIconSize, |
| iconSizes[INDEX_DEFAULT]); |
| |
| textSizes[INDEX_DEFAULT] = |
| a.getFloat(R.styleable.ProfileDisplayOption_iconTextSize, 0); |
| textSizes[INDEX_LANDSCAPE] = |
| a.getFloat(R.styleable.ProfileDisplayOption_landscapeIconTextSize, |
| textSizes[INDEX_DEFAULT]); |
| textSizes[INDEX_ALL_APPS] = |
| a.getFloat(R.styleable.ProfileDisplayOption_allAppsIconTextSize, |
| textSizes[INDEX_DEFAULT]); |
| textSizes[INDEX_TWO_PANEL_PORTRAIT] = |
| a.getFloat(R.styleable.ProfileDisplayOption_twoPanelPortraitIconTextSize, |
| textSizes[INDEX_DEFAULT]); |
| textSizes[INDEX_TWO_PANEL_LANDSCAPE] = |
| a.getFloat(R.styleable.ProfileDisplayOption_twoPanelLandscapeIconTextSize, |
| textSizes[INDEX_DEFAULT]); |
| |
| horizontalMargin[INDEX_DEFAULT] = a.getFloat( |
| R.styleable.ProfileDisplayOption_horizontalMargin, 0); |
| horizontalMargin[INDEX_LANDSCAPE] = horizontalMargin[INDEX_DEFAULT]; |
| horizontalMargin[INDEX_ALL_APPS] = horizontalMargin[INDEX_DEFAULT]; |
| horizontalMargin[INDEX_TWO_PANEL_LANDSCAPE] = a.getFloat( |
| R.styleable.ProfileDisplayOption_twoPanelLandscapeHorizontalMargin, |
| horizontalMargin[INDEX_DEFAULT]); |
| horizontalMargin[INDEX_TWO_PANEL_PORTRAIT] = a.getFloat( |
| R.styleable.ProfileDisplayOption_twoPanelPortraitHorizontalMargin, |
| horizontalMargin[INDEX_DEFAULT]); |
| |
| a.recycle(); |
| } |
| |
| DisplayOption() { |
| this(null); |
| } |
| |
| DisplayOption(GridOption grid) { |
| this.grid = grid; |
| minWidthDps = 0; |
| minHeightDps = 0; |
| canBeDefault = false; |
| for (int i = 0; i < COUNT_SIZES; i++) { |
| iconSizes[i] = 0; |
| textSizes[i] = 0; |
| borderSpaces[i] = new PointF(); |
| minCellSize[i] = new PointF(); |
| } |
| } |
| |
| private DisplayOption multiply(float w) { |
| for (int i = 0; i < COUNT_SIZES; i++) { |
| iconSizes[i] *= w; |
| textSizes[i] *= w; |
| borderSpaces[i].x *= w; |
| borderSpaces[i].y *= w; |
| minCellSize[i].x *= w; |
| minCellSize[i].y *= w; |
| horizontalMargin[i] *= w; |
| } |
| |
| folderBorderSpace *= w; |
| |
| return this; |
| } |
| |
| private DisplayOption add(DisplayOption p) { |
| for (int i = 0; i < COUNT_SIZES; i++) { |
| iconSizes[i] += p.iconSizes[i]; |
| textSizes[i] += p.textSizes[i]; |
| borderSpaces[i].x += p.borderSpaces[i].x; |
| borderSpaces[i].y += p.borderSpaces[i].y; |
| minCellSize[i].x += p.minCellSize[i].x; |
| minCellSize[i].y += p.minCellSize[i].y; |
| horizontalMargin[i] += p.horizontalMargin[i]; |
| } |
| |
| folderBorderSpace += p.folderBorderSpace; |
| |
| return this; |
| } |
| } |
| } |
