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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/webapps/browser/android/webapps_icon_utils.h"
#include "base/android/build_info.h"
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/android/java_bitmap.h"
#include "ui/gfx/color_analysis.h"
#include "url/android/gurl_android.h"
#include "url/gurl.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "components/webapps/browser/android/webapps_jni_headers/WebappsIconUtils_jni.h"
using base::android::JavaParamRef;
using base::android::ScopedJavaLocalRef;
namespace webapps {
namespace {
int g_ideal_homescreen_icon_size = -1;
int g_minimum_homescreen_icon_size = -1;
int g_ideal_splash_image_size = -1;
int g_minimum_splash_image_size = -1;
int g_ideal_monochrome_icon_size = -1;
int g_ideal_adaptive_launcher_icon_size = -1;
int g_ideal_shortcut_icon_size = -1;
// Retrieves and caches the ideal and minimum sizes of the Home screen icon,
// the splash screen image, and the shortcut icons.
void GetIconSizes() {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jintArray> java_size_array =
Java_WebappsIconUtils_getIconSizes(env);
std::vector<int> sizes;
base::android::JavaIntArrayToIntVector(env, java_size_array, &sizes);
// Check that the size returned is what is expected.
DCHECK_EQ(7u, sizes.size());
// This ordering must be kept up to date with the Java WebappsIconUtils.
g_ideal_homescreen_icon_size = sizes[0];
g_minimum_homescreen_icon_size = sizes[1];
g_ideal_splash_image_size = sizes[2];
g_minimum_splash_image_size = sizes[3];
g_ideal_monochrome_icon_size = sizes[4];
g_ideal_adaptive_launcher_icon_size = sizes[5];
g_ideal_shortcut_icon_size = sizes[6];
// Try to ensure that the data returned is sensible.
DCHECK_LE(g_minimum_homescreen_icon_size, g_ideal_homescreen_icon_size);
DCHECK_LE(g_minimum_splash_image_size, g_ideal_splash_image_size);
}
} // anonymous namespace
int WebappsIconUtils::GetIdealHomescreenIconSizeInPx() {
if (g_ideal_homescreen_icon_size == -1)
GetIconSizes();
return g_ideal_homescreen_icon_size;
}
int WebappsIconUtils::GetMinimumHomescreenIconSizeInPx() {
if (g_minimum_homescreen_icon_size == -1)
GetIconSizes();
return g_minimum_homescreen_icon_size;
}
int WebappsIconUtils::GetIdealSplashImageSizeInPx() {
if (g_ideal_splash_image_size == -1)
GetIconSizes();
return g_ideal_splash_image_size;
}
int WebappsIconUtils::GetMinimumSplashImageSizeInPx() {
if (g_minimum_splash_image_size == -1)
GetIconSizes();
return g_minimum_splash_image_size;
}
int WebappsIconUtils::GetIdealAdaptiveLauncherIconSizeInPx() {
if (g_ideal_adaptive_launcher_icon_size == -1)
GetIconSizes();
return g_ideal_adaptive_launcher_icon_size;
}
int WebappsIconUtils::GetIdealShortcutIconSizeInPx() {
if (g_ideal_shortcut_icon_size == -1)
GetIconSizes();
return g_ideal_shortcut_icon_size;
}
int WebappsIconUtils::GetIdealIconSizeForIconType(
webapk::Image::Usage usage,
webapk::Image::Purpose purpose) {
switch (usage) {
case webapk::Image::PRIMARY_ICON:
if (purpose == webapk::Image::MASKABLE) {
return GetIdealAdaptiveLauncherIconSizeInPx();
} else {
return GetIdealHomescreenIconSizeInPx();
}
case webapk::Image::SPLASH_ICON:
return GetIdealSplashImageSizeInPx();
case webapk::Image::SHORTCUT_ICON:
return GetIdealShortcutIconSizeInPx();
default:
return 0;
}
}
void WebappsIconUtils::FinalizeLauncherIconInBackground(
const SkBitmap& bitmap,
const GURL& url,
scoped_refptr<base::SequencedTaskRunner> ui_thread_task_runner,
base::OnceCallback<void(const SkBitmap&, bool)> callback) {
base::AssertLongCPUWorkAllowed();
JNIEnv* env = base::android::AttachCurrentThread();
if (!bitmap.isNull() && Java_WebappsIconUtils_isIconLargeEnoughForLauncher(
env, bitmap.width(), bitmap.height())) {
ui_thread_task_runner->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), bitmap, false));
return;
}
ScopedJavaLocalRef<jobject> java_url =
url::GURLAndroid::FromNativeGURL(env, url);
SkColor mean_color = SkColorSetRGB(0x91, 0x91, 0x91);
if (!bitmap.isNull()) {
mean_color = color_utils::CalculateKMeanColorOfBitmap(bitmap);
}
ScopedJavaLocalRef<jobject> result =
Java_WebappsIconUtils_generateHomeScreenIcon(
env, java_url, SkColorGetR(mean_color), SkColorGetG(mean_color),
SkColorGetB(mean_color));
SkBitmap result_bitmap =
result.obj() ? gfx::CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(result))
: SkBitmap();
ui_thread_task_runner->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), result_bitmap, true));
}
SkBitmap WebappsIconUtils::GenerateHomeScreenIconInBackground(
const GURL& page_url) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> java_url =
url::GURLAndroid::FromNativeGURL(env, page_url);
ScopedJavaLocalRef<jobject> result =
Java_WebappsIconUtils_generateHomeScreenIcon(env, java_url, /*red=*/0x91,
/*green=*/0x91,
/*blue=*/0x91);
SkBitmap result_bitmap =
result.obj() ? gfx::CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(result))
: SkBitmap();
return result_bitmap;
}
SkBitmap WebappsIconUtils::GenerateAdaptiveIconBitmap(const SkBitmap& bitmap) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> result;
if (!bitmap.isNull()) {
ScopedJavaLocalRef<jobject> java_bitmap = gfx::ConvertToJavaBitmap(bitmap);
result = Java_WebappsIconUtils_generateAdaptiveIconBitmap(env, java_bitmap);
}
return result.obj()
? gfx::CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(result))
: SkBitmap();
}
int WebappsIconUtils::GetIdealIconCornerRadiusPxForPromptUI() {
return Java_WebappsIconUtils_getIdealIconCornerRadiusPxForPromptUi(
base::android::AttachCurrentThread());
}
void WebappsIconUtils::SetIdealShortcutSizeForTesting(int size) {
g_ideal_shortcut_icon_size = size;
}
void WebappsIconUtils::SetIconSizesForTesting(std::vector<int> sizes) {
// This ordering must be kept up to date with the |GetIconSizes()| above.
g_ideal_homescreen_icon_size = sizes[0];
g_minimum_homescreen_icon_size = sizes[1];
g_ideal_splash_image_size = sizes[2];
g_minimum_splash_image_size = sizes[3];
g_ideal_monochrome_icon_size = sizes[4];
g_ideal_adaptive_launcher_icon_size = sizes[5];
g_ideal_shortcut_icon_size = sizes[6];
}
} // namespace webapps
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