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// Copyright 2014 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/precache/precache_launcher.h"
#include <jni.h>
#include "base/android/jni_android.h"
#include "base/android/jni_weak_ref.h"
#include "base/bind.h"
#include "base/logging.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/precache/precache_manager_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "components/precache/content/precache_manager.h"
#include "components/prefs/pref_service.h"
#include "jni/PrecacheLauncher_jni.h"
using base::android::AttachCurrentThread;
using precache::PrecacheManager;
namespace {
// Get the profile that should be used for precaching.
Profile* GetProfile() {
Profile* profile = g_browser_process->profile_manager()->GetLastUsedProfile()
->GetOriginalProfile();
DCHECK(profile);
DCHECK(g_browser_process->profile_manager()->IsValidProfile(profile));
return profile;
}
// Get the PrecacheManager for the given |profile|.
PrecacheManager* GetPrecacheManager(Profile* profile) {
PrecacheManager* precache_manager =
precache::PrecacheManagerFactory::GetForBrowserContext(profile);
DCHECK(precache_manager);
return precache_manager;
}
} // namespace
PrecacheLauncher::PrecacheLauncher(JNIEnv* env, jobject obj)
: weak_java_precache_launcher_(env, obj), weak_factory_(this) {}
PrecacheLauncher::~PrecacheLauncher() {}
void PrecacheLauncher::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
delete this;
}
void PrecacheLauncher::Start(JNIEnv* env, const JavaParamRef<jobject>& obj) {
// TODO(bengr): Add integration tests for the whole feature.
Profile* profile = GetProfile();
PrecacheManager* precache_manager = GetPrecacheManager(profile);
if (precache_manager == nullptr) {
OnPrecacheCompleted(false);
return;
}
precache_manager->StartPrecaching(base::Bind(
&PrecacheLauncher::OnPrecacheCompleted, weak_factory_.GetWeakPtr()));
}
void PrecacheLauncher::Cancel(JNIEnv* env, const JavaParamRef<jobject>& obj) {
Profile* profile = GetProfile();
PrecacheManager* precache_manager = GetPrecacheManager(profile);
precache_manager->CancelPrecaching();
}
void PrecacheLauncher::OnPrecacheCompleted(bool try_again_soon) {
JNIEnv* env = AttachCurrentThread();
Java_PrecacheLauncher_onPrecacheCompletedCallback(
env, weak_java_precache_launcher_.get(env).obj(),
try_again_soon ? JNI_TRUE : JNI_FALSE);
}
static jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
return reinterpret_cast<intptr_t>(new PrecacheLauncher(env, obj));
}
// Must be run on the UI thread.
static jboolean ShouldRun(JNIEnv* env, const JavaParamRef<jobject>& obj) {
Profile* profile = GetProfile();
PrecacheManager* precache_manager = GetPrecacheManager(profile);
return precache_manager && (precache_manager->IsInExperimentGroup() ||
precache_manager->IsInControlGroup());
}
bool RegisterPrecacheLauncher(JNIEnv* env) {
return RegisterNativesImpl(env);
}
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