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/*
* Copyright (C) 2017 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.app;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.TestApi;
import android.graphics.Rect;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.Rational;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
/**
* Represents a set of parameters used to initialize and update an Activity in picture-in-picture
* mode.
*/
public final class PictureInPictureParams implements Parcelable {
/**
* Builder class for {@link PictureInPictureParams} objects.
*/
public static class Builder {
@Nullable
private Rational mAspectRatio;
@Nullable
private List<RemoteAction> mUserActions;
@Nullable
private Rect mSourceRectHint;
private Boolean mAutoEnterEnabled;
private Boolean mSeamlessResizeEnabled;
/**
* Sets the aspect ratio. This aspect ratio is defined as the desired width / height, and
* does not change upon device rotation.
*
* @param aspectRatio the new aspect ratio for the activity in picture-in-picture, must be
* between 2.39:1 and 1:2.39 (inclusive).
*
* @return this builder instance.
*/
public Builder setAspectRatio(Rational aspectRatio) {
mAspectRatio = aspectRatio;
return this;
}
/**
* Sets the user actions. If there are more than
* {@link Activity#getMaxNumPictureInPictureActions()} actions, then the input list
* will be truncated to that number.
*
* @param actions the new actions to show in the picture-in-picture menu.
*
* @return this builder instance.
*
* @see RemoteAction
*/
public Builder setActions(List<RemoteAction> actions) {
if (mUserActions != null) {
mUserActions = null;
}
if (actions != null) {
mUserActions = new ArrayList<>(actions);
}
return this;
}
/**
* Sets the source bounds hint. These bounds are only used when an activity first enters
* picture-in-picture, and describe the bounds in window coordinates of activity entering
* picture-in-picture that will be visible following the transition. For the best effect,
* these bounds should also match the aspect ratio in the arguments.
*
* @param launchBounds window-coordinate bounds indicating the area of the activity that
* will still be visible following the transition into picture-in-picture (eg. the video
* view bounds in a video player)
*
* @return this builder instance.
*/
public Builder setSourceRectHint(Rect launchBounds) {
if (launchBounds == null) {
mSourceRectHint = null;
} else {
mSourceRectHint = new Rect(launchBounds);
}
return this;
}
/**
* Sets whether the system will automatically put the activity in picture-in-picture mode
* without needing/waiting for the activity to call
* {@link Activity#enterPictureInPictureMode(PictureInPictureParams)}.
*
* If true, {@link Activity#onPictureInPictureRequested()} will never be called.
*
* This property is {@code false} by default.
* @param autoEnterEnabled {@code true} if the system will automatically put the activity
* in picture-in-picture mode.
*
* @return this builder instance.
*/
@NonNull
public Builder setAutoEnterEnabled(boolean autoEnterEnabled) {
mAutoEnterEnabled = autoEnterEnabled;
return this;
}
/**
* Sets whether the system can seamlessly resize the window while the activity is in
* picture-in-picture mode. This should normally be the case for video content and
* when it's set to {@code false}, system will perform transitions to overcome the
* artifacts due to resize.
*
* This property is {@code true} by default for backwards compatibility.
* @param seamlessResizeEnabled {@code true} if the system can seamlessly resize the window
* while activity is in picture-in-picture mode.
* @return this builder instance.
*/
@NonNull
public Builder setSeamlessResizeEnabled(boolean seamlessResizeEnabled) {
mSeamlessResizeEnabled = seamlessResizeEnabled;
return this;
}
/**
* @return an immutable {@link PictureInPictureParams} to be used when entering or updating
* the activity in picture-in-picture.
*
* @see Activity#enterPictureInPictureMode(PictureInPictureParams)
* @see Activity#setPictureInPictureParams(PictureInPictureParams)
*/
public PictureInPictureParams build() {
PictureInPictureParams params = new PictureInPictureParams(mAspectRatio, mUserActions,
mSourceRectHint, mAutoEnterEnabled, mSeamlessResizeEnabled);
return params;
}
}
/**
* The expected aspect ratio of the picture-in-picture.
*/
@Nullable
private Rational mAspectRatio;
/**
* The set of actions that are associated with this activity when in picture-in-picture.
*/
@Nullable
private List<RemoteAction> mUserActions;
/**
* The source bounds hint used when entering picture-in-picture, relative to the window bounds.
* We can use this internally for the transition into picture-in-picture to ensure that a
* particular source rect is visible throughout the whole transition.
*/
@Nullable
private Rect mSourceRectHint;
/**
* Whether the system is allowed to automatically put the activity in picture-in-picture mode.
* {@link #isAutoEnterEnabled()} defaults to {@code false} if this is not set.
*/
private Boolean mAutoEnterEnabled;
/**
* Whether system can seamlessly resize the window when activity is in picture-in-picture mode.
* {@link #isSeamlessResizeEnabled()} defaults to {@code true} if this is not set for
* backwards compatibility.
*/
private Boolean mSeamlessResizeEnabled;
/** {@hide} */
PictureInPictureParams() {
}
/** {@hide} */
PictureInPictureParams(Parcel in) {
if (in.readInt() != 0) {
mAspectRatio = new Rational(in.readInt(), in.readInt());
}
if (in.readInt() != 0) {
mUserActions = new ArrayList<>();
in.readTypedList(mUserActions, RemoteAction.CREATOR);
}
if (in.readInt() != 0) {
mSourceRectHint = Rect.CREATOR.createFromParcel(in);
}
if (in.readInt() != 0) {
mAutoEnterEnabled = in.readBoolean();
}
if (in.readInt() != 0) {
mSeamlessResizeEnabled = in.readBoolean();
}
}
/** {@hide} */
PictureInPictureParams(Rational aspectRatio, List<RemoteAction> actions,
Rect sourceRectHint, Boolean autoEnterEnabled, Boolean seamlessResizeEnabled) {
mAspectRatio = aspectRatio;
mUserActions = actions;
mSourceRectHint = sourceRectHint;
mAutoEnterEnabled = autoEnterEnabled;
mSeamlessResizeEnabled = seamlessResizeEnabled;
}
/**
* Makes a copy from the other picture-in-picture args.
* @hide
*/
public PictureInPictureParams(PictureInPictureParams other) {
this(other.mAspectRatio, other.mUserActions,
other.hasSourceBoundsHint() ? new Rect(other.getSourceRectHint()) : null,
other.mAutoEnterEnabled, other.mSeamlessResizeEnabled);
}
/**
* Copies the set parameters from the other picture-in-picture args.
* @hide
*/
public void copyOnlySet(PictureInPictureParams otherArgs) {
if (otherArgs.hasSetAspectRatio()) {
mAspectRatio = otherArgs.mAspectRatio;
}
if (otherArgs.hasSetActions()) {
mUserActions = otherArgs.mUserActions;
}
if (otherArgs.hasSourceBoundsHint()) {
mSourceRectHint = new Rect(otherArgs.getSourceRectHint());
}
if (otherArgs.mAutoEnterEnabled != null) {
mAutoEnterEnabled = otherArgs.mAutoEnterEnabled;
}
if (otherArgs.mSeamlessResizeEnabled != null) {
mSeamlessResizeEnabled = otherArgs.mSeamlessResizeEnabled;
}
}
/**
* @return the aspect ratio. If none is set, return 0.
* @hide
*/
@TestApi
public float getAspectRatio() {
if (mAspectRatio != null) {
return mAspectRatio.floatValue();
}
return 0f;
}
/** @hide */
public Rational getAspectRatioRational() {
return mAspectRatio;
}
/**
* @return whether the aspect ratio is set.
* @hide
*/
public boolean hasSetAspectRatio() {
return mAspectRatio != null;
}
/**
* @return the set of user actions.
* @hide
*/
@TestApi
public List<RemoteAction> getActions() {
return mUserActions;
}
/**
* @return whether the user actions are set.
* @hide
*/
public boolean hasSetActions() {
return mUserActions != null;
}
/**
* Truncates the set of actions to the given {@param size}.
* @hide
*/
public void truncateActions(int size) {
if (hasSetActions()) {
mUserActions = mUserActions.subList(0, Math.min(mUserActions.size(), size));
}
}
/**
* @return the source rect hint
* @hide
*/
@TestApi
public Rect getSourceRectHint() {
return mSourceRectHint;
}
/**
* @return whether there are launch bounds set
* @hide
*/
public boolean hasSourceBoundsHint() {
return mSourceRectHint != null && !mSourceRectHint.isEmpty();
}
/**
* @return whether auto pip is enabled.
* @hide
*/
public boolean isAutoEnterEnabled() {
return mAutoEnterEnabled == null ? false : mAutoEnterEnabled;
}
/**
* @return whether seamless resize is enabled.
* @hide
*/
@TestApi
public boolean isSeamlessResizeEnabled() {
return mSeamlessResizeEnabled == null ? true : mSeamlessResizeEnabled;
}
/**
* @return True if no parameters are set
* @hide
*/
public boolean empty() {
return !hasSourceBoundsHint() && !hasSetActions() && !hasSetAspectRatio()
&& mAutoEnterEnabled != null && mSeamlessResizeEnabled != null;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof PictureInPictureParams)) return false;
PictureInPictureParams that = (PictureInPictureParams) o;
return Objects.equals(mAutoEnterEnabled, that.mAutoEnterEnabled)
&& Objects.equals(mSeamlessResizeEnabled, that.mSeamlessResizeEnabled)
&& Objects.equals(mAspectRatio, that.mAspectRatio)
&& Objects.equals(mUserActions, that.mUserActions)
&& Objects.equals(mSourceRectHint, that.mSourceRectHint);
}
@Override
public int hashCode() {
return Objects.hash(mAspectRatio, mUserActions, mSourceRectHint,
mAutoEnterEnabled, mSeamlessResizeEnabled);
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel out, int flags) {
if (mAspectRatio != null) {
out.writeInt(1);
out.writeInt(mAspectRatio.getNumerator());
out.writeInt(mAspectRatio.getDenominator());
} else {
out.writeInt(0);
}
if (mUserActions != null) {
out.writeInt(1);
out.writeTypedList(mUserActions, 0);
} else {
out.writeInt(0);
}
if (mSourceRectHint != null) {
out.writeInt(1);
mSourceRectHint.writeToParcel(out, 0);
} else {
out.writeInt(0);
}
if (mAutoEnterEnabled != null) {
out.writeInt(1);
out.writeBoolean(mAutoEnterEnabled);
} else {
out.writeInt(0);
}
if (mSeamlessResizeEnabled != null) {
out.writeInt(1);
out.writeBoolean(mSeamlessResizeEnabled);
} else {
out.writeInt(0);
}
}
@Override
public String toString() {
return "PictureInPictureParams("
+ " aspectRatio=" + getAspectRatioRational()
+ " sourceRectHint=" + getSourceRectHint()
+ " hasSetActions=" + hasSetActions()
+ " isAutoPipEnabled=" + isAutoEnterEnabled()
+ " isSeamlessResizeEnabled=" + isSeamlessResizeEnabled()
+ ")";
}
public static final @android.annotation.NonNull Creator<PictureInPictureParams> CREATOR =
new Creator<PictureInPictureParams>() {
public PictureInPictureParams createFromParcel(Parcel in) {
return new PictureInPictureParams(in);
}
public PictureInPictureParams[] newArray(int size) {
return new PictureInPictureParams[size];
}
};
}