| /* |
| * Copyright 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 androidx.window.testing.layout |
| |
| import android.app.Activity |
| import android.content.Context |
| import android.graphics.Point |
| import android.graphics.Rect |
| import android.os.Build |
| import android.view.Display |
| import android.view.WindowManager |
| import androidx.annotation.RequiresApi |
| import androidx.annotation.UiContext |
| import androidx.window.layout.WindowMetrics |
| import androidx.window.layout.WindowMetricsCalculator |
| |
| /** |
| * A stub implementation of [WindowMetricsCalculator] that's intended to be used by Robolectric. |
| * [computeCurrentWindowMetrics] and [computeMaximumWindowMetrics] returns reasonable |
| * [WindowMetrics] for all supported SDK levels, but is not correct in general terms, as an |
| * application or [UiContext] may be running in multi-window mode, or otherwise adjusted to not |
| * occupy the entire display. |
| */ |
| internal class StubWindowMetricsCalculator : WindowMetricsCalculator { |
| |
| override fun computeCurrentWindowMetrics(activity: Activity): WindowMetrics { |
| val displayMetrics = activity.resources.displayMetrics |
| val bounds = Rect(0, 0, displayMetrics.widthPixels, displayMetrics.heightPixels) |
| return WindowMetrics(bounds) |
| } |
| |
| override fun computeMaximumWindowMetrics(activity: Activity): WindowMetrics { |
| val displayMetrics = activity.resources.displayMetrics |
| val bounds = Rect(0, 0, displayMetrics.widthPixels, displayMetrics.heightPixels) |
| return WindowMetrics(bounds) |
| } |
| |
| // WindowManager#getDefaultDisplay is deprecated but we have this for compatibility with |
| // older versions. |
| @Suppress("DEPRECATION") |
| override fun computeCurrentWindowMetrics(@UiContext context: Context): WindowMetrics { |
| val wm = context.getSystemService(Context.WINDOW_SERVICE) as WindowManager |
| |
| return if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) { |
| Api30Impl.getWindowMetrics(wm) |
| } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| val displaySize = Point() |
| // We use getRealSize instead of getSize here because: |
| // 1) computeCurrentWindowMetrics and computeMaximumWindowMetrics in this class |
| // always return a measurement equal to the entire display (see class-level |
| // documentation). |
| // 2) getRealSize returns the largest region of the display, whereas getSize returns |
| // the current app window. So to stay consistent with class documentation, we use |
| // getRealSize. |
| Api17Impl.getRealSize(wm.defaultDisplay, displaySize) |
| val bounds = Rect(0, 0, displaySize.x, displaySize.y) |
| WindowMetrics(bounds) |
| } else { |
| val width = wm.defaultDisplay.width |
| val height = wm.defaultDisplay.height |
| val bounds = Rect(0, 0, width, height) |
| WindowMetrics(bounds) |
| } |
| } |
| |
| override fun computeMaximumWindowMetrics(@UiContext context: Context): WindowMetrics { |
| return computeCurrentWindowMetrics(context) |
| } |
| |
| @RequiresApi(Build.VERSION_CODES.R) |
| private object Api30Impl { |
| fun getWindowMetrics(windowManager: WindowManager): WindowMetrics { |
| return WindowMetrics(windowManager.currentWindowMetrics.bounds) |
| } |
| } |
| |
| @RequiresApi(Build.VERSION_CODES.JELLY_BEAN_MR1) |
| private object Api17Impl { |
| // getRealSize is deprecated but we have this for compatibility with older versions. |
| @Suppress("DEPRECATION") |
| fun getRealSize(display: Display, point: Point) { |
| display.getRealSize(point) |
| } |
| } |
| } |