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// Copyright 2015 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/large_icon_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 "base/strings/utf_string_conversions.h"
#include "chrome/browser/favicon/large_icon_service_factory.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_android.h"
#include "components/favicon/core/large_icon_service.h"
#include "components/favicon_base/fallback_icon_style.h"
#include "components/favicon_base/favicon_types.h"
#include "jni/LargeIconBridge_jni.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/android/java_bitmap.h"
#include "ui/gfx/codec/png_codec.h"
using base::android::AttachCurrentThread;
using base::android::ConvertJavaStringToUTF16;
using base::android::JavaParamRef;
using base::android::JavaRef;
using base::android::ScopedJavaGlobalRef;
using base::android::ScopedJavaLocalRef;
namespace {
void OnLargeIconAvailable(const JavaRef<jobject>& j_callback,
const favicon_base::LargeIconResult& result) {
JNIEnv* env = AttachCurrentThread();
// Convert the result to a Java Bitmap.
SkBitmap bitmap;
ScopedJavaLocalRef<jobject> j_bitmap;
if (result.bitmap.is_valid()) {
gfx::PNGCodec::Decode(result.bitmap.bitmap_data->front(),
result.bitmap.bitmap_data->size(), &bitmap);
if (!bitmap.isNull())
j_bitmap = gfx::ConvertToJavaBitmap(&bitmap);
}
favicon_base::FallbackIconStyle fallback;
if (result.fallback_icon_style)
fallback = *result.fallback_icon_style;
Java_LargeIconCallback_onLargeIconAvailable(
env, j_callback, j_bitmap, fallback.background_color,
fallback.is_default_background_color,
static_cast<int>(result.bitmap.icon_type));
}
} // namespace
static jlong JNI_LargeIconBridge_Init(JNIEnv* env) {
return reinterpret_cast<intptr_t>(new LargeIconBridge());
}
LargeIconBridge::LargeIconBridge() {}
LargeIconBridge::~LargeIconBridge() {}
void LargeIconBridge::Destroy(JNIEnv* env, const JavaParamRef<jobject>& obj) {
delete this;
}
jboolean LargeIconBridge::GetLargeIconForURL(
JNIEnv* env,
const JavaParamRef<jobject>& obj,
const JavaParamRef<jobject>& j_profile,
const JavaParamRef<jstring>& j_page_url,
jint min_source_size_px,
const JavaParamRef<jobject>& j_callback) {
Profile* profile = ProfileAndroid::FromProfileAndroid(j_profile);
if (!profile)
return false;
favicon::LargeIconService* large_icon_service =
LargeIconServiceFactory::GetForBrowserContext(profile);
if (!large_icon_service)
return false;
favicon_base::LargeIconCallback callback_runner = base::Bind(
&OnLargeIconAvailable, ScopedJavaGlobalRef<jobject>(env, j_callback));
// Use desired_size = 0 for getting the icon from the cache (so that
// the icon is not poorly rescaled by LargeIconService).
large_icon_service->GetLargeIconRawBitmapOrFallbackStyleForPageUrl(
GURL(ConvertJavaStringToUTF16(env, j_page_url)), min_source_size_px,
/*desired_size_in_pixel=*/0, callback_runner, &cancelable_task_tracker_);
return true;
}
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