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android_webview / js_sandbox / service / js_sandbox_isolate_callback.h [blame]
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ANDROID_WEBVIEW_JS_SANDBOX_SERVICE_JS_SANDBOX_ISOLATE_CALLBACK_H_
#define ANDROID_WEBVIEW_JS_SANDBOX_SERVICE_JS_SANDBOX_ISOLATE_CALLBACK_H_
#include <jni.h>
#include "base/android/scoped_java_ref.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_refptr.h"
namespace android_webview {
class JsSandboxIsolateCallback final
: public base::RefCounted<JsSandboxIsolateCallback> {
public:
enum class ErrorType {
kJsEvaluationError = 0,
kMemoryLimitExceeded = 1,
kFileDescriptorIOFailedError = 2,
};
explicit JsSandboxIsolateCallback(
base::android::ScopedJavaGlobalRef<jobject>&& callback,
bool use_fd);
JsSandboxIsolateCallback(const JsSandboxIsolateCallback&) = delete;
JsSandboxIsolateCallback& operator=(const JsSandboxIsolateCallback&) = delete;
void ReportResult(const std::string& result);
void ReportError(ErrorType error_type, const std::string& error);
void ReportJsEvaluationError(const std::string& error);
void ReportFileDescriptorIOFailedError(const std::string& error);
// Report that the isolate has exceeded its memory limit, with various stats.
//
// memory_limit == 0 indicates that no explicit limit was configured.
//
// v8_heap_usage describes V8-internal (V8 heap) memory usage before the
// failed allocation. non_v8_heap_usage describes memory usage external to the
// V8 heap.
void ReportMemoryLimitExceededError(uint64_t memory_limit,
uint64_t v8_heap_usage,
uint64_t non_v8_heap_usage);
private:
friend class base::RefCounted<JsSandboxIsolateCallback>;
~JsSandboxIsolateCallback();
base::android::ScopedJavaGlobalRef<jobject> UseCallback();
// Access this via UseCallback() to ensure the callback isn't used multiple
// times. This value with be reset (null) when it is used.
base::android::ScopedJavaGlobalRef<jobject> callback_;
// If true, |callback_| is of Java type JsSandboxIsolateFdCallback.
// If false, |callback_| is of Java type JsSandboxIsolateCallback.
bool use_fd;
};
} // namespace android_webview
#endif // ANDROID_WEBVIEW_JS_SANDBOX_SERVICE_JS_SANDBOX_ISOLATE_CALLBACK_H_