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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/android/metrics/variations_session.h"
#include "base/android/jni_string.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/metrics/variations/variations_service.h"
#include "jni/VariationsSession_jni.h"
namespace {
// Tracks whether VariationsService::OnAppEnterForeground() has been called
// previously, in order to set the restrict mode param before the first call.
bool g_on_app_enter_foreground_called = false;
} // namespace
static void StartVariationsSession(JNIEnv* env,
jobject obj,
jstring jrestrict_mode) {
DCHECK(g_browser_process);
chrome_variations::VariationsService* variations_service =
g_browser_process->variations_service();
// Triggers an OnAppEnterForeground on the VariationsService. This may fetch
// a new seed.
if (variations_service) {
std::string restrict_mode =
base::android::ConvertJavaStringToUTF8(env, jrestrict_mode);
if (!restrict_mode.empty() && !g_on_app_enter_foreground_called)
variations_service->SetRestrictMode(restrict_mode);
variations_service->OnAppEnterForeground();
g_on_app_enter_foreground_called = true;
}
}
namespace chrome {
namespace android {
// Register native methods
bool RegisterVariationsSession(JNIEnv* env) { return RegisterNativesImpl(env); }
} // namespace android
} // namespace chrome
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