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// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_ANDROID_WEBAPK_WEBAPK_UPDATE_DATA_FETCHER_H_
#define CHROME_BROWSER_ANDROID_WEBAPK_WEBAPK_UPDATE_DATA_FETCHER_H_
#include <optional>
#include "base/android/jni_android.h"
#include "base/android/jni_weak_ref.h"
#include "base/memory/weak_ptr.h"
#include "components/webapps/browser/android/shortcut_info.h"
#include "components/webapps/browser/android/webapk/webapk_icons_hasher.h"
#include "content/public/browser/web_contents_observer.h"
#include "third_party/skia/include/core/SkBitmap.h"
namespace content {
class WebContents;
}
class GURL;
namespace webapps {
struct InstallableData;
}
// WebApkUpdateDataFetcher is the C++ counterpart of
// org.chromium.chrome.browser's WebApkUpdateDataFetcher in Java. It is created
// via a JNI (Initialize) call and MUST BE DESTROYED via Destroy().
class WebApkUpdateDataFetcher : public content::WebContentsObserver {
public:
WebApkUpdateDataFetcher(JNIEnv* env,
jobject obj,
const GURL& start_url,
const GURL& scope,
const GURL& web_manifest_url,
const GURL& web_manifest_id);
WebApkUpdateDataFetcher(const WebApkUpdateDataFetcher&) = delete;
WebApkUpdateDataFetcher& operator=(const WebApkUpdateDataFetcher&) = delete;
// Replaces the WebContents that is being observed.
void ReplaceWebContents(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
const base::android::JavaParamRef<jobject>& java_web_contents);
// Called by the Java counterpart to destroy its native half.
void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
// Called by the Java counterpart to start checking web manifest changes.
void Start(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
const base::android::JavaParamRef<jobject>& java_web_contents);
private:
~WebApkUpdateDataFetcher() override;
// content::WebContentsObserver:
void DidStopLoading() override;
// Fetches the installable data.
void FetchInstallableData();
// Called once the installable data has been fetched.
void OnDidGetInstallableData(
const webapps::InstallableData& installable_data);
// Called with the computed Murmur2 hashes for the icons.
void OnGotIconMurmur2Hashes(
std::map<GURL, std::unique_ptr<webapps::WebappIcon>> icons);
// Called when a page has no Web Manifest or the Web Manifest is not WebAPK
// compatible.
void OnWebManifestNotWebApkCompatible();
// Points to the Java object.
base::android::ScopedJavaGlobalRef<jobject> java_ref_;
// The WebAPK's current start url. Used for recording UMA.
const GURL start_url_;
// The detector will only fetch the URL within the scope of the WebAPK.
const GURL scope_;
// The WebAPK's Web Manifest URL that the detector is looking for.
const GURL web_manifest_url_;
// The WebAPK's Web Manifest ID that the detector is looking for.
const GURL web_manifest_id_;
// The URL for which the installable data is being fetched / was last fetched.
GURL last_fetched_url_;
// Downloaded data for |web_manifest_url_|.
webapps::ShortcutInfo info_;
SkBitmap primary_icon_;
bool is_primary_icon_maskable_;
SkBitmap splash_icon_;
// Helper for downloading WebAPK icons and compute Murmur2 hash of the
// downloaded images.
std::unique_ptr<webapps::WebApkIconsHasher> icon_hasher_;
base::WeakPtrFactory<WebApkUpdateDataFetcher> weak_ptr_factory_{this};
};
#endif // CHROME_BROWSER_ANDROID_WEBAPK_WEBAPK_UPDATE_DATA_FETCHER_H_
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