| /* |
| * Copyright (C) 2022 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 android.view; |
| |
| import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_LAYOUT_SIZE_EXTENDED_BY_CUTOUT; |
| |
| import android.graphics.Insets; |
| import android.graphics.Rect; |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| |
| import java.util.Arrays; |
| import java.util.Objects; |
| |
| /** |
| * Insets provided by a window. |
| * |
| * The insets frame will by default as the window frame size. If the providers are set, the |
| * calculation result based on the source size will be used as the insets frame. |
| * @hide |
| */ |
| public class InsetsFrameProvider implements Parcelable { |
| |
| /** |
| * If specified in source field, the insets calculation will be based on the display frame. |
| */ |
| public static final int SOURCE_DISPLAY = 0; |
| |
| /** |
| * If specified in source field, the insets calculation will be based on the window bounds. The |
| * container bounds can sometimes be different from the window frame. For example, when a task |
| * bar needs the entire screen to be prepared to showing the apps, the window container can take |
| * the entire display, or display area, but the window frame, as a result of the layout, will |
| * stay small until it actually taking the entire display to draw their view. |
| */ |
| public static final int SOURCE_CONTAINER_BOUNDS = 1; |
| |
| /** |
| * If specified in source field, the insets calculation will be based on the window frame. This |
| * is also the default value of the source. |
| */ |
| public static final int SOURCE_FRAME = 2; |
| |
| private static final int HAS_INSETS_SIZE = 1; |
| private static final int HAS_INSETS_SIZE_OVERRIDE = 2; |
| |
| private static Rect sTmpRect = new Rect(); |
| |
| /** |
| * The type of insets to provide. |
| */ |
| public @InsetsState.InternalInsetsType int type; |
| |
| /** |
| * The source of frame. By default, all adjustment will be based on the window frame, it |
| * can be set to window bounds or display bounds instead. |
| */ |
| public int source = SOURCE_FRAME; |
| |
| /** |
| * The provided insets size based on the source frame. The result will be used as the insets |
| * size to windows other than IME. Only one side should be set. |
| * |
| * For example, when the given source frame is (0, 0) - (100, 200), and the insetsSize is null, |
| * the source frame will be directly used as the final insets frame. If the insetsSize is set to |
| * (0, 0, 0, 50) instead, the insets frame will be a frame starting from the bottom side of the |
| * source frame with height of 50, i.e., (0, 150) - (100, 200). |
| */ |
| public Insets insetsSize = null; |
| |
| /** |
| * If null, the size set in insetsSize will be applied to all window types. If it contains |
| * element of some types, the insets reported to the window with that types will be overridden. |
| */ |
| public InsetsSizeOverride[] insetsSizeOverrides = null; |
| |
| public InsetsFrameProvider(int type) { |
| this(type, SOURCE_FRAME, null, null); |
| } |
| |
| public InsetsFrameProvider(int type, Insets insetsSize) { |
| this(type, SOURCE_FRAME, insetsSize, null); |
| } |
| |
| public InsetsFrameProvider(int type, int source, Insets insetsSize, |
| InsetsSizeOverride[] insetsSizeOverride) { |
| this.type = type; |
| this.source = source; |
| this.insetsSize = insetsSize; |
| this.insetsSizeOverrides = insetsSizeOverride; |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(32); |
| sb.append("InsetsFrameProvider: {"); |
| sb.append("type=").append(InsetsState.typeToString(type)); |
| sb.append(", source="); |
| switch (source) { |
| case SOURCE_DISPLAY: |
| sb.append("SOURCE_DISPLAY"); |
| break; |
| case SOURCE_CONTAINER_BOUNDS: |
| sb.append("SOURCE_CONTAINER_BOUNDS Bounds"); |
| break; |
| case SOURCE_FRAME: |
| sb.append("SOURCE_FRAME"); |
| break; |
| } |
| if (insetsSize != null) { |
| sb.append(", insetsSize=").append(insetsSize); |
| } |
| if (insetsSizeOverrides != null) { |
| sb.append(", insetsSizeOverrides=").append(Arrays.toString(insetsSizeOverrides)); |
| } |
| sb.append("}"); |
| return sb.toString(); |
| } |
| |
| public InsetsFrameProvider(Parcel in) { |
| int insetsSizeModified = in.readInt(); |
| type = in.readInt(); |
| source = in.readInt(); |
| if ((insetsSizeModified & HAS_INSETS_SIZE) != 0) { |
| insetsSize = Insets.CREATOR.createFromParcel(in); |
| } |
| if ((insetsSizeModified & HAS_INSETS_SIZE_OVERRIDE) != 0) { |
| insetsSizeOverrides = in.createTypedArray(InsetsSizeOverride.CREATOR); |
| } |
| } |
| |
| @Override |
| public void writeToParcel(Parcel out, int flags) { |
| int insetsSizeModified = 0; |
| if (insetsSize != null) { |
| insetsSizeModified |= HAS_INSETS_SIZE; |
| } |
| if (insetsSizeOverrides != null) { |
| insetsSizeModified |= HAS_INSETS_SIZE_OVERRIDE; |
| } |
| out.writeInt(insetsSizeModified); |
| out.writeInt(type); |
| out.writeInt(source); |
| if (insetsSize != null) { |
| insetsSize.writeToParcel(out, flags); |
| } |
| if (insetsSizeOverrides != null) { |
| out.writeTypedArray(insetsSizeOverrides, flags); |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| if (o == null || getClass() != o.getClass()) { |
| return false; |
| } |
| InsetsFrameProvider other = (InsetsFrameProvider) o; |
| return type == other.type && source == other.source |
| && Objects.equals(insetsSize, other.insetsSize) |
| && Arrays.equals(insetsSizeOverrides, other.insetsSizeOverrides); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(type, source, insetsSize, Arrays.hashCode(insetsSizeOverrides)); |
| } |
| |
| public static final @android.annotation.NonNull Parcelable.Creator<InsetsFrameProvider> |
| CREATOR = new Parcelable.Creator<InsetsFrameProvider>() { |
| @Override |
| public InsetsFrameProvider createFromParcel(Parcel in) { |
| return new InsetsFrameProvider(in); |
| } |
| |
| @Override |
| public InsetsFrameProvider[] newArray(int size) { |
| return new InsetsFrameProvider[size]; |
| } |
| }; |
| |
| public static void calculateInsetsFrame(Rect displayFrame, Rect containerBounds, |
| Rect displayCutoutSafe, Rect inOutFrame, int source, Insets insetsSize, |
| @WindowManager.LayoutParams.PrivateFlags int privateFlags) { |
| boolean extendByCutout = false; |
| if (source == InsetsFrameProvider.SOURCE_DISPLAY) { |
| inOutFrame.set(displayFrame); |
| } else if (source == InsetsFrameProvider.SOURCE_CONTAINER_BOUNDS) { |
| inOutFrame.set(containerBounds); |
| } else { |
| extendByCutout = (privateFlags & PRIVATE_FLAG_LAYOUT_SIZE_EXTENDED_BY_CUTOUT) != 0; |
| } |
| if (insetsSize == null) { |
| return; |
| } |
| // Only one side of the provider shall be applied. Check in the order of left - top - |
| // right - bottom, only the first non-zero value will be applied. |
| if (insetsSize.left != 0) { |
| inOutFrame.right = inOutFrame.left + insetsSize.left; |
| } else if (insetsSize.top != 0) { |
| inOutFrame.bottom = inOutFrame.top + insetsSize.top; |
| } else if (insetsSize.right != 0) { |
| inOutFrame.left = inOutFrame.right - insetsSize.right; |
| } else if (insetsSize.bottom != 0) { |
| inOutFrame.top = inOutFrame.bottom - insetsSize.bottom; |
| } else { |
| inOutFrame.setEmpty(); |
| } |
| |
| if (extendByCutout) { |
| WindowLayout.extendFrameByCutout(displayCutoutSafe, displayFrame, inOutFrame, sTmpRect); |
| } |
| } |
| |
| /** |
| * Class to describe the insets size to be provided to window with specific window type. If not |
| * used, same insets size will be sent as instructed in the insetsSize and source. |
| */ |
| public static class InsetsSizeOverride implements Parcelable { |
| public final int windowType; |
| public Insets insetsSize; |
| |
| protected InsetsSizeOverride(Parcel in) { |
| windowType = in.readInt(); |
| insetsSize = in.readParcelable(null, android.graphics.Insets.class); |
| } |
| |
| public InsetsSizeOverride(int type, Insets size) { |
| windowType = type; |
| insetsSize = size; |
| } |
| |
| public static final Creator<InsetsSizeOverride> CREATOR = |
| new Creator<InsetsSizeOverride>() { |
| @Override |
| public InsetsSizeOverride createFromParcel(Parcel in) { |
| return new InsetsSizeOverride(in); |
| } |
| |
| @Override |
| public InsetsSizeOverride[] newArray(int size) { |
| return new InsetsSizeOverride[size]; |
| } |
| }; |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel out, int flags) { |
| out.writeInt(windowType); |
| out.writeParcelable(insetsSize, flags); |
| } |
| |
| @Override |
| public String toString() { |
| StringBuilder sb = new StringBuilder(32); |
| sb.append("TypedInsetsSize: {"); |
| sb.append("windowType=").append(windowType); |
| sb.append(", insetsSize=").append(insetsSize); |
| sb.append("}"); |
| return sb.toString(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hash(windowType, insetsSize); |
| } |
| } |
| } |
| |