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Commit bd2a4eb6 authored by Yi Jiang's avatar Yi Jiang
Browse files

Add system content priority api for internal use 

Bug: 431285755
Test: Presubmit
Flag: EXEMPT API not in use yet.

Change-Id: Ib98cee03851f84107febeadd1ef66e99d093e1d0
parent 5c2dcdb4

core/java/android/view/SurfaceControl.java

+23 −0
Original line number Diff line number Diff line
@@ -345,6 +345,8 @@ public final class SurfaceControl implements Parcelable { 
            long nativeObject, long pictureProfileId);

    private static native void nativeSetContentPriority(long transactionObj, long nativeObject,

            int priority);

    private static native void nativeSetSystemContentPriority(

            long transactionObj, long nativeObject, int priority);

    private static native String nativeGetName(long nativeObject);



    /**
@@ -5074,6 +5076,27 @@ public final class SurfaceControl implements Parcelable { 
            return this;

        }



        /**

         * Sets the system-level importance of the window's content.

         * <p>

         * This priority is used by the system to make decisions for different use cases where the

         * resource is limited.

         * <p>

         * This is intended for system internal use.

         *

         * @param sc       The SurfaceControl of the layer to update.

         * @param priority The system content priority to assign to this layer. The range of the

         *                 system priority is [-10. 10]. A window with higher priority value gets

         *                 preferred access to limited resources.

         * @hide

         */

        public @NonNull Transaction setSystemContentPriority(

                @NonNull SurfaceControl sc, @IntRange(from = -10, to = 10) int priority) {

            checkPreconditions(sc);

            nativeSetSystemContentPriority(mNativeObject, sc.mNativeObject, priority);

            return this;

        }



        /**

         * Sets the caching hint for the layer. By default, the caching hint is

         * {@link CACHING_ENABLED}.

core/jni/android_view_SurfaceControl.cpp

+8 −0
Original line number Diff line number Diff line
@@ -867,6 +867,13 @@ static void nativeSetContentPriority(JNIEnv* env, jclass clazz, jlong transactio 
    transaction->setContentPriority(surfaceControl, priority);

}



static void nativeSetSystemContentPriority(JNIEnv* env, jclass clazz, jlong transactionObj,

                                           jlong surfaceControlObj, jint priority) {

    auto transaction = reinterpret_cast<SurfaceComposerClient::Transaction*>(transactionObj);

    auto surfaceControl = SpFromRawPtr<SurfaceControl>(surfaceControlObj);

    transaction->setSystemContentPriority(surfaceControl, priority);

}



static void nativeSetCachingHint(JNIEnv* env, jclass clazz, jlong transactionObj,

                                 jlong nativeObject, jint cachingHint) {

    auto transaction = reinterpret_cast<SurfaceComposerClient::Transaction*>(transactionObj);
@@ -2884,6 +2891,7 @@ static const JNINativeMethod sSurfaceControlMethods[] = { 
    {"nativeEnableDebugLogCallPoints", "(J)V", (void*)nativeEnableDebugLogCallPoints },

    {"nativeSetPictureProfileId", "(JJJ)V", (void*)nativeSetPictureProfileId },

    {"nativeSetContentPriority", "(JJI)V", (void*)nativeSetContentPriority },

    {"nativeSetSystemContentPriority", "(JJI)V", (void*)nativeSetSystemContentPriority },

        // clang-format on

};