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package android.app.assist;
import android.content.ClipData;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
/**
* Holds information about the content an application is viewing, to hand to an
* assistant at the user's request. This is filled in by
* {@link android.app.Activity#onProvideAssistContent Activity.onProvideAssistContent}.
*/
public class AssistContent implements Parcelable {
private boolean mIsAppProvidedIntent = false;
private Intent mIntent;
private String mStructuredData;
private ClipData mClipData;
private Uri mUri;
private final Bundle mExtras;
public AssistContent() {
mExtras = new Bundle();
}
/**
* @hide
* Called by {@link android.app.ActivityThread} to set the default Intent based on
* {@link android.app.Activity#getIntent Activity.getIntent}.
*
* <p>Automatically populates {@link #mUri} if that Intent is an {@link Intent#ACTION_VIEW}
* of a web (http or https scheme) URI.</p>
*/
public void setDefaultIntent(Intent intent) {
mIntent = intent;
setWebUri(null);
if (intent != null && Intent.ACTION_VIEW.equals(intent.getAction())) {
Uri uri = intent.getData();
if (uri != null) {
if ("http".equals(uri.getScheme()) || "https".equals(uri.getScheme())) {
setWebUri(uri);
}
}
}
}
/**
* Sets the Intent associated with the content, describing the current top-level context of
* the activity. If this contains a reference to a piece of data related to the activity,
* be sure to set {@link Intent#FLAG_GRANT_READ_URI_PERMISSION} so the accessibility
* service can access it.
*/
public void setIntent(Intent intent) {
mIsAppProvidedIntent = true;
mIntent = intent;
}
/**
* Returns the current {@link #setIntent} if one is set, else the default Intent obtained from
* {@link android.app.Activity#getIntent Activity.getIntent}. Can be modified in-place.
*/
public Intent getIntent() {
return mIntent;
}
/**
* Returns whether or not the current Intent was explicitly provided in
* {@link android.app.Activity#onProvideAssistContent Activity.onProvideAssistContent}. If not,
* the Intent was automatically set based on
* {@link android.app.Activity#getIntent Activity.getIntent}.
*/
public boolean isAppProvidedIntent() {
return mIsAppProvidedIntent;
}
/**
* Optional additional content items that are involved with
* the current UI. Access to this content will be granted to the assistant as if you
* are sending it through an Intent with {@link Intent#FLAG_GRANT_READ_URI_PERMISSION}.
*/
public void setClipData(ClipData clip) {
mClipData = clip;
}
/**
* Return the current {@link #setClipData}, which you can modify in-place.
*/
public ClipData getClipData() {
return mClipData;
}
/**
* Sets optional structured data regarding the content being viewed. The provided data
* must be a string represented with <a href="http://json-ld.org/">JSON-LD</a> using the
* <a href="http://schema.org/">schema.org</a> vocabulary.
*/
public void setStructuredData(String structuredData) {
mStructuredData = structuredData;
}
/**
* Returns the current {@link #setStructuredData}.
*/
public String getStructuredData() {
return mStructuredData;
}
/**
* Set a web URI associated with the current data being shown to the user.
* This URI could be opened in a web browser, or in the app as an
* {@link Intent#ACTION_VIEW} Intent, to show the same data that is currently
* being displayed by it. The URI here should be something that is transportable
* off the device into other environments to acesss the same data as is currently
* being shown in the app; if the app does not have such a representation, it should
* leave the null and only report the local intent and clip data.
*/
public void setWebUri(Uri uri) {
mUri = uri;
}
/**
* Return the content's web URI as per {@link #setWebUri(android.net.Uri)}, or null if
* there is none.
*/
public Uri getWebUri() {
return mUri;
}
/**
* Return Bundle for extra vendor-specific data that can be modified and examined.
*/
public Bundle getExtras() {
return mExtras;
}
AssistContent(Parcel in) {
if (in.readInt() != 0) {
mIntent = Intent.CREATOR.createFromParcel(in);
}
if (in.readInt() != 0) {
mClipData = ClipData.CREATOR.createFromParcel(in);
}
if (in.readInt() != 0) {
mUri = Uri.CREATOR.createFromParcel(in);
}
if (in.readInt() != 0) {
mStructuredData = in.readString();
}
mIsAppProvidedIntent = in.readInt() == 1;
mExtras = in.readBundle();
}
void writeToParcelInternal(Parcel dest, int flags) {
if (mIntent != null) {
dest.writeInt(1);
mIntent.writeToParcel(dest, flags);
} else {
dest.writeInt(0);
}
if (mClipData != null) {
dest.writeInt(1);
mClipData.writeToParcel(dest, flags);
} else {
dest.writeInt(0);
}
if (mUri != null) {
dest.writeInt(1);
mUri.writeToParcel(dest, flags);
} else {
dest.writeInt(0);
}
if (mStructuredData != null) {
dest.writeInt(1);
dest.writeString(mStructuredData);
} else {
dest.writeInt(0);
}
dest.writeInt(mIsAppProvidedIntent ? 1 : 0);
dest.writeBundle(mExtras);
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
writeToParcelInternal(dest, flags);
}
public static final Parcelable.Creator<AssistContent> CREATOR
= new Parcelable.Creator<AssistContent>() {
public AssistContent createFromParcel(Parcel in) {
return new AssistContent(in);
}
public AssistContent[] newArray(int size) {
return new AssistContent[size];
}
};
}
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