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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::ScopedJavaGlobalRef;
using base::android::ScopedJavaLocalRef;
using base::android::AttachCurrentThread;
using base::android::ConvertJavaStringToUTF16;
namespace {
const SkColor kDefaultBackgroundColor = SkColorSetRGB(0x78, 0x78, 0x78);
void OnLargeIconAvailable(
ScopedJavaGlobalRef<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);
}
jint background_color = kDefaultBackgroundColor;
if (result.fallback_icon_style)
background_color = result.fallback_icon_style->background_color;
Java_LargeIconCallback_onLargeIconAvailable(env,
j_callback->obj(),
j_bitmap.obj(),
background_color);
}
} // namespace
static jlong Init(JNIEnv* env, jclass clazz) {
return reinterpret_cast<intptr_t>(new LargeIconBridge());
}
LargeIconBridge::LargeIconBridge() {
}
LargeIconBridge::~LargeIconBridge() {
}
void LargeIconBridge::Destroy(JNIEnv* env, jobject obj) {
delete this;
}
jboolean LargeIconBridge::GetLargeIconForURL(
JNIEnv* env,
jobject obj,
jobject j_profile,
jstring j_page_url,
jint min_source_size_px,
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;
ScopedJavaGlobalRef<jobject>* j_global_callback =
new ScopedJavaGlobalRef<jobject>();
j_global_callback->Reset(env, j_callback);
favicon_base::LargeIconCallback callback_runner =
base::Bind(&OnLargeIconAvailable, base::Owned(j_global_callback));
large_icon_service->GetLargeIconOrFallbackStyle(
GURL(ConvertJavaStringToUTF16(env, j_page_url)),
min_source_size_px,
0, // Do not resize.
callback_runner,
&cancelable_task_tracker_);
return true;
}
// static
bool LargeIconBridge::RegisterLargeIconBridge(JNIEnv* env) {
return RegisterNativesImpl(env);
}
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