ProviderUpdateRequester.kt
/*
* Copyright 2020 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.wear.complications
import android.annotation.SuppressLint
import android.app.PendingIntent
import android.content.ComponentName
import android.content.Context
import android.content.Intent
import androidx.annotation.RestrictTo
/**
* Allows complication providers to request update calls from the system. This effectively allows
* providers to push updates to the system outside of the update request cycle.
*/
public class ProviderUpdateRequester(
private val context: Context,
private val providerComponent: ComponentName
) {
/**
* Requests that the system call
* [onComplicationUpdate][ComplicationProviderService.onComplicationRequest] on the specified
* provider, for all active complications using that provider.
*
* This will do nothing if no active complications are configured to use the specified
* provider.
*
* This will also only work if called from the same package as the provider.
*/
@SuppressLint("PendingIntentMutability")
public fun requestUpdateAll() {
val intent = Intent(ACTION_REQUEST_UPDATE_ALL)
intent.setPackage(UPDATE_REQUEST_RECEIVER_PACKAGE)
intent.putExtra(EXTRA_PROVIDER_COMPONENT, providerComponent)
// Add a placeholder PendingIntent to allow the UID to be checked.
intent.putExtra(
ProviderUpdateRequesterConstants.EXTRA_PENDING_INTENT,
PendingIntent.getActivity(context, 0, Intent(""), 0)
)
context.sendBroadcast(intent)
}
/**
* Requests that the system call
* [onComplicationUpdate][ComplicationProviderService.onComplicationRequest] on the specified
* provider, for the given complication ids. Inactive complications are ignored, as are
* complications configured to use a different provider.
*
* @param complicationInstanceIds The system's IDs for the complications to be updated as provided
* to [ComplicationProviderService.onComplicationActivated] and
* [ComplicationProviderService.onComplicationRequest].
*/
@SuppressLint("PendingIntentMutability")
public fun requestUpdate(vararg complicationInstanceIds: Int) {
val intent = Intent(ACTION_REQUEST_UPDATE)
intent.setPackage(UPDATE_REQUEST_RECEIVER_PACKAGE)
intent.putExtra(EXTRA_PROVIDER_COMPONENT, providerComponent)
intent.putExtra(EXTRA_COMPLICATION_IDS, complicationInstanceIds)
// Add a placeholder PendingIntent to allow the UID to be checked.
intent.putExtra(
ProviderUpdateRequesterConstants.EXTRA_PENDING_INTENT,
PendingIntent.getActivity(context, 0, Intent(""), 0)
)
context.sendBroadcast(intent)
}
public companion object {
/** The package of the service that accepts provider requests. */
private const val UPDATE_REQUEST_RECEIVER_PACKAGE = "com.google.android.wearable.app"
/** @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
public const val ACTION_REQUEST_UPDATE: String =
"android.support.wearable.complications.ACTION_REQUEST_UPDATE"
/** @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
public const val ACTION_REQUEST_UPDATE_ALL: String =
"android.support.wearable.complications.ACTION_REQUEST_UPDATE_ALL"
/** @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
public const val EXTRA_PROVIDER_COMPONENT: String =
"android.support.wearable.complications.EXTRA_PROVIDER_COMPONENT"
/** @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
public const val EXTRA_COMPLICATION_IDS: String =
"android.support.wearable.complications.EXTRA_COMPLICATION_IDS"
}
}