1 // Copyright 2024 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "base/android/memory_purge_manager_android.h" 6 7 #include "base/android/build_info.h" 8 #include "base/android/pre_freeze_background_memory_trimmer.h" 9 #include "base/functional/bind.h" 10 #include "third_party/jni_zero/jni_zero.h" 11 12 // Must come after all headers that specialize FromJniType() / ToJniType(). 13 #include "base/memory_jni/MemoryPurgeManager_jni.h" 14 JNI_MemoryPurgeManager_PostDelayedPurgeTaskOnUiThread(JNIEnv * env,jlong delay)15static void JNI_MemoryPurgeManager_PostDelayedPurgeTaskOnUiThread(JNIEnv* env, 16 jlong delay) { 17 auto task_runner = base::SequencedTaskRunner::GetCurrentDefault(); 18 base::android::PreFreezeBackgroundMemoryTrimmer::PostDelayedBackgroundTask( 19 task_runner, FROM_HERE, 20 base::BindOnce([](base::MemoryReductionTaskContext task_type) { 21 const bool called_from_pre_freeze = 22 task_type == base::MemoryReductionTaskContext::kProactive; 23 Java_MemoryPurgeManager_doDelayedPurge(jni_zero::AttachCurrentThread(), 24 called_from_pre_freeze); 25 }), 26 base::Milliseconds(static_cast<long>(delay))); 27 } 28 JNI_MemoryPurgeManager_IsOnPreFreezeMemoryTrimEnabled(JNIEnv * env)29static jboolean JNI_MemoryPurgeManager_IsOnPreFreezeMemoryTrimEnabled( 30 JNIEnv* env) { 31 return base::android::PreFreezeBackgroundMemoryTrimmer::ShouldUseModernTrim(); 32 } 33 JNI_MemoryPurgeManager_IsSelfFreezeEnabled(JNIEnv * env)34static jboolean JNI_MemoryPurgeManager_IsSelfFreezeEnabled(JNIEnv* env) { 35 return base::FeatureList::IsEnabled(base::android::kShouldFreezeSelf); 36 } 37