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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/logo_bridge.h"
#include <jni.h>
#include "base/android/jni_android.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/bind.h"
#include "chrome/browser/android/logo_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_android.h"
#include "components/search_provider_logos/logo_tracker.h"
#include "jni/LogoBridge_jni.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/android/java_bitmap.h"
using base::android::ScopedJavaLocalRef;
using base::android::ConvertUTF8ToJavaString;
namespace {
// Converts a C++ Logo to a Java Logo.
ScopedJavaLocalRef<jobject> ConvertLogoToJavaObject(
JNIEnv* env,
const search_provider_logos::Logo* logo) {
if (!logo)
return ScopedJavaLocalRef<jobject>();
ScopedJavaLocalRef<jobject> j_bitmap = gfx::ConvertToJavaBitmap(&logo->image);
ScopedJavaLocalRef<jstring> j_on_click_url;
if (!logo->metadata.on_click_url.empty())
j_on_click_url = ConvertUTF8ToJavaString(env, logo->metadata.on_click_url);
ScopedJavaLocalRef<jstring> j_alt_text;
if (!logo->metadata.alt_text.empty())
j_alt_text = ConvertUTF8ToJavaString(env, logo->metadata.alt_text);
return Java_LogoBridge_createLogo(
env, j_bitmap.obj(), j_on_click_url.obj(), j_alt_text.obj());
}
class LogoObserverAndroid : public search_provider_logos::LogoObserver {
public:
LogoObserverAndroid(base::WeakPtr<LogoBridge> logo_bridge,
JNIEnv* env,
jobject j_logo_observer)
: logo_bridge_(logo_bridge) {
j_logo_observer_.Reset(env, j_logo_observer);
}
virtual ~LogoObserverAndroid() {}
// seach_provider_logos::LogoObserver:
virtual void OnLogoAvailable(const search_provider_logos::Logo* logo,
bool from_cache) OVERRIDE {
if (!logo_bridge_)
return;
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> j_logo = ConvertLogoToJavaObject(env, logo);
Java_LogoObserver_onLogoAvailable(
env, j_logo_observer_.obj(), j_logo.obj(), from_cache);
}
virtual void OnObserverRemoved() OVERRIDE {
delete this;
}
private:
// The associated LogoBridge. We won't call back to Java if the LogoBridge has
// been destroyed.
base::WeakPtr<LogoBridge> logo_bridge_;
base::android::ScopedJavaGlobalRef<jobject> j_logo_observer_;
};
} // namespace
static jlong Init(JNIEnv* env, jobject obj, jobject j_profile) {
LogoBridge* logo_bridge = new LogoBridge(j_profile);
return reinterpret_cast<intptr_t>(logo_bridge);
}
LogoBridge::LogoBridge(jobject j_profile) : weak_ptr_factory_(this) {
Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile);
if (profile)
logo_service_ = LogoServiceFactory::GetForProfile(profile);
}
LogoBridge::~LogoBridge() {}
void LogoBridge::Destroy(JNIEnv* env, jobject obj) {
delete this;
}
void LogoBridge::GetCurrentLogo(JNIEnv* env,
jobject obj,
jobject j_logo_observer) {
if (!logo_service_)
return;
// |observer| is deleted in LogoObserverAndroid::OnObserverRemoved().
LogoObserverAndroid* observer = new LogoObserverAndroid(
weak_ptr_factory_.GetWeakPtr(), env, j_logo_observer);
logo_service_->GetLogo(observer);
}
// static
bool RegisterLogoBridge(JNIEnv* env) {
return RegisterNativesImpl(env);
}
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