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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.
#ifndef CHROME_BROWSER_ANDROID_LOGO_BRIDGE_H_
#define CHROME_BROWSER_ANDROID_LOGO_BRIDGE_H_
#include <jni.h>
#include <memory>
#include "base/android/scoped_java_ref.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
namespace search_provider_logos {
class LogoService;
} // namespace search_provider_logos
// The C++ counterpart to LogoBridge.java. Enables Java code to access the
// default search provider's logo.
class LogoBridge {
public:
explicit LogoBridge(const base::android::JavaRef<jobject>& j_profile);
void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& obj);
// TODO(treib): Double-check the observer contract (esp. for
// LogoService::GetLogo()).
//
// Gets the current non-animated logo (downloading it if necessary) and passes
// it to the observer.
// The observer's |onLogoAvailable| is guaranteed to be called at least once:
// a) A cached doodle is available.
// b) A new doodle is available.
// c) Not having a doodle was revalidated.
void GetCurrentLogo(
JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
const base::android::JavaParamRef<jobject>& j_logo_observer);
// Downloads the animated logo from the given URL and returns it to the
// callback. Does not support multiple concurrent requests: A second request
// for the same URL will be ignored; a request for a different URL will cancel
// any ongoing request. If downloading fails, the callback is not called.
void GetAnimatedLogo(JNIEnv* env,
const base::android::JavaParamRef<jobject>& obj,
const base::android::JavaParamRef<jobject>& j_callback,
const base::android::JavaParamRef<jstring>& j_url);
private:
class AnimatedLogoLoader;
virtual ~LogoBridge();
search_provider_logos::LogoService* logo_service_;
std::unique_ptr<AnimatedLogoLoader> animated_logo_loader_;
base::WeakPtrFactory<LogoBridge> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(LogoBridge);
};
#endif // CHROME_BROWSER_ANDROID_LOGO_BRIDGE_H_
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