// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/android/resource_mapper.h"
#include <map>
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/check_op.h"
#include "base/lazy_instance.h"
#include "base/notreached.h"
#include "chrome/browser/android/android_theme_resources.h"
#include "chrome/grit/theme_resources.h"
#include "components/grit/components_scaled_resources.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/android/chrome_jni_headers/ResourceMapper_jni.h"
namespace {
typedef std::map<int, int> ResourceMap;
base::LazyInstance<ResourceMap>::Leaky g_id_map = LAZY_INSTANCE_INITIALIZER;
} // namespace
const int ResourceMapper::kMissingId = 0;
int ResourceMapper::MapToJavaDrawableId(int resource_id) {
if (g_id_map.Get().empty()) {
ConstructMap();
}
ResourceMap::iterator iterator = g_id_map.Get().find(resource_id);
if (iterator != g_id_map.Get().end()) {
return iterator->second;
}
// The resource couldn't be found.
NOTREACHED_IN_MIGRATION();
return kMissingId;
}
void ResourceMapper::ConstructMap() {
DCHECK(g_id_map.Get().empty());
JNIEnv* env = base::android::AttachCurrentThread();
base::android::ScopedJavaLocalRef<jintArray> java_id_array =
Java_ResourceMapper_getResourceIdList(env);
std::vector<int> resource_id_list;
base::android::JavaIntArrayToIntVector(env, java_id_array, &resource_id_list);
size_t next_id = 0;
#define LINK_RESOURCE_ID(c_id, java_id) \
g_id_map.Get()[c_id] = resource_id_list[next_id++];
#define DECLARE_RESOURCE_ID(c_id, java_id) \
g_id_map.Get()[c_id] = resource_id_list[next_id++];
#include "chrome/browser/android/resource_id.h"
#include "components/resources/android/autofill_resource_id.h"
#include "components/resources/android/blocked_content_resource_id.h"
#include "components/resources/android/page_info_resource_id.h"
#include "components/resources/android/permissions_resource_id.h"
#include "components/resources/android/sms_resource_id.h"
#include "components/resources/android/webxr_resource_id.h"
#undef LINK_RESOURCE_ID
#undef DECLARE_RESOURCE_ID
// Make sure ID list sizes match up.
DCHECK_EQ(next_id, resource_id_list.size());
}