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// 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.
#include "chrome/browser/webapps/web_app_offline.h"
#include <string>
#include <vector>
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "components/grit/components_resources.h"
#include "components/strings/grit/components_strings.h"
#include "components/webapps/browser/android/webapk/webapk_types.h"
#include "components/webapps/browser/web_app_error_page_constants.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "ui/base/l10n/l10n_util.h"
#include "url/gurl.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "chrome/android/chrome_jni_headers/WebApkDataProvider_jni.h"
using base::android::ScopedJavaLocalRef;
namespace {
std::vector<std::string> GetOfflinePageInfoJava(
const std::vector<int> requested_fields,
const std::string& url,
content::BrowserContext* browser_context,
content::WebContents* web_contents) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobjectArray> java_result =
Java_WebApkDataProvider_getOfflinePageInfo(
env, base::android::ToJavaIntArray(env, requested_fields), url,
web_contents->GetJavaWebContents());
std::vector<std::string> resource_strings;
base::android::AppendJavaStringArrayToStringVector(env, java_result,
&resource_strings);
return resource_strings;
}
} // namespace
namespace web_app {
content::mojom::AlternativeErrorPageOverrideInfoPtr GetOfflinePageInfo(
const GURL& url,
content::RenderFrameHost* render_frame_host,
content::BrowserContext* browser_context) {
using webapps::WebApkDetailsForDefaultOfflinePage;
const std::vector<int> fields = {
(int)WebApkDetailsForDefaultOfflinePage::SHORT_NAME,
(int)WebApkDetailsForDefaultOfflinePage::ICON};
const std::vector<std::string> resource_strings = GetOfflinePageInfoJava(
fields, url.spec(), browser_context,
content::WebContents::FromRenderFrameHost(render_frame_host));
if (fields.size() != resource_strings.size())
return nullptr;
auto alternative_error_page_info =
content::mojom::AlternativeErrorPageOverrideInfo::New();
base::Value::Dict dict;
for (size_t i = 0; i < resource_strings.size(); ++i) {
WebApkDetailsForDefaultOfflinePage field_id =
(WebApkDetailsForDefaultOfflinePage)fields[i];
switch (field_id) {
case WebApkDetailsForDefaultOfflinePage::SHORT_NAME:
dict.Set(error_page::kAppShortName, resource_strings[i]);
break;
case WebApkDetailsForDefaultOfflinePage::ICON:
// Converting to GURL is necessary to correctly interpret the data url,
// in case it contains embedded carriage returns, etc.
dict.Set(error_page::kIconUrl, GURL(resource_strings[i]).spec());
break;
}
}
dict.Set(error_page::kMessage,
l10n_util::GetStringUTF16(IDS_ERRORPAGES_HEADING_YOU_ARE_OFFLINE));
dict.Set(error_page::kSupplementaryIcon, error_page::kOfflineIconId);
alternative_error_page_info->alternative_error_page_params = std::move(dict);
alternative_error_page_info->resource_id = IDR_WEBAPP_ERROR_PAGE_HTML;
return alternative_error_page_info;
}
} // namespace web_app
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