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// Copyright 2013 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/shortcut_helper.h"
#include <jni.h>
#include "base/android/context_utils.h"
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/manifest/manifest_icon_downloader.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "jni/ShortcutHelper_jni.h"
#include "ui/gfx/android/java_bitmap.h"
#include "ui/gfx/color_analysis.h"
#include "url/gurl.h"
using content::Manifest;
namespace {
static int kIdealHomescreenIconSize = -1;
static int kMinimumHomescreenIconSize = -1;
static int kIdealSplashImageSize = -1;
static int kMinimumSplashImageSize = -1;
static int kDefaultRGBIconValue = 145;
// Retrieves and caches the ideal and minimum sizes of the Home screen icon
// and the splash screen image.
void GetHomescreenIconAndSplashImageSizes() {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jintArray> java_size_array =
Java_ShortcutHelper_getHomeScreenIconAndSplashImageSizes(env,
base::android::GetApplicationContext());
std::vector<int> sizes;
base::android::JavaIntArrayToIntVector(
env, java_size_array.obj(), &sizes);
// Check that the size returned is what is expected.
DCHECK(sizes.size() == 4);
// This ordering must be kept up to date with the Java ShortcutHelper.
kIdealHomescreenIconSize = sizes[0];
kMinimumHomescreenIconSize = sizes[1];
kIdealSplashImageSize = sizes[2];
kMinimumSplashImageSize = sizes[3];
// Try to ensure that the data returned is sane.
DCHECK(kMinimumHomescreenIconSize <= kIdealHomescreenIconSize);
DCHECK(kMinimumSplashImageSize <= kIdealSplashImageSize);
}
} // anonymous namespace
// static
void ShortcutHelper::AddShortcutInBackgroundWithSkBitmap(
const ShortcutInfo& info,
const std::string& webapp_id,
const SkBitmap& icon_bitmap) {
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
// Send the data to the Java side to create the shortcut.
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> java_webapp_id =
base::android::ConvertUTF8ToJavaString(env, webapp_id);
ScopedJavaLocalRef<jstring> java_url =
base::android::ConvertUTF8ToJavaString(env, info.url.spec());
ScopedJavaLocalRef<jstring> java_user_title =
base::android::ConvertUTF16ToJavaString(env, info.user_title);
ScopedJavaLocalRef<jstring> java_name =
base::android::ConvertUTF16ToJavaString(env, info.name);
ScopedJavaLocalRef<jstring> java_short_name =
base::android::ConvertUTF16ToJavaString(env, info.short_name);
ScopedJavaLocalRef<jobject> java_bitmap;
if (icon_bitmap.getSize())
java_bitmap = gfx::ConvertToJavaBitmap(&icon_bitmap);
Java_ShortcutHelper_addShortcut(
env,
base::android::GetApplicationContext(),
java_webapp_id.obj(),
java_url.obj(),
java_user_title.obj(),
java_name.obj(),
java_short_name.obj(),
java_bitmap.obj(),
info.display == blink::WebDisplayModeStandalone,
info.orientation,
info.source,
info.theme_color,
info.background_color,
info.is_icon_generated);
}
int ShortcutHelper::GetIdealHomescreenIconSizeInDp() {
if (kIdealHomescreenIconSize == -1)
GetHomescreenIconAndSplashImageSizes();
return kIdealHomescreenIconSize;
}
int ShortcutHelper::GetMinimumHomescreenIconSizeInDp() {
if (kMinimumHomescreenIconSize == -1)
GetHomescreenIconAndSplashImageSizes();
return kMinimumHomescreenIconSize;
}
int ShortcutHelper::GetIdealSplashImageSizeInDp() {
if (kIdealSplashImageSize == -1)
GetHomescreenIconAndSplashImageSizes();
return kIdealSplashImageSize;
}
int ShortcutHelper::GetMinimumSplashImageSizeInDp() {
if (kMinimumSplashImageSize == -1)
GetHomescreenIconAndSplashImageSizes();
return kMinimumSplashImageSize;
}
// static
void ShortcutHelper::FetchSplashScreenImage(
content::WebContents* web_contents,
const GURL& image_url,
const int ideal_splash_image_size_in_dp,
const int minimum_splash_image_size_in_dp,
const std::string& webapp_id,
const std::string& webapp_scope) {
// This is a fire and forget task. It is not vital for the splash screen image
// to be downloaded so if the downloader returns false there is no fallback.
ManifestIconDownloader::Download(
web_contents, image_url, ideal_splash_image_size_in_dp,
minimum_splash_image_size_in_dp,
base::Bind(&ShortcutHelper::StoreWebappData, webapp_id, webapp_scope));
}
// static
void ShortcutHelper::StoreWebappData(
const std::string& webapp_id,
const std::string& webapp_url,
const SkBitmap& splash_image) {
if (splash_image.drawsNothing())
return;
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> java_webapp_id =
base::android::ConvertUTF8ToJavaString(env, webapp_id);
ScopedJavaLocalRef<jstring> java_webapp_url =
base::android::ConvertUTF8ToJavaString(env, webapp_url);
ScopedJavaLocalRef<jobject> java_splash_image =
gfx::ConvertToJavaBitmap(&splash_image);
Java_ShortcutHelper_storeWebappData(
env,
base::android::GetApplicationContext(),
java_webapp_id.obj(),
java_webapp_url.obj(),
java_splash_image.obj());
}
// static
SkBitmap ShortcutHelper::FinalizeLauncherIcon(const SkBitmap& bitmap,
const GURL& url,
bool* is_generated) {
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> result;
*is_generated = false;
if (!bitmap.isNull()) {
if (Java_ShortcutHelper_isIconLargeEnoughForLauncher(
env, base::android::GetApplicationContext(), bitmap.width(),
bitmap.height())) {
ScopedJavaLocalRef<jobject> java_bitmap =
gfx::ConvertToJavaBitmap(&bitmap);
result = Java_ShortcutHelper_createHomeScreenIconFromWebIcon(
env, base::android::GetApplicationContext(), java_bitmap.obj());
}
}
if (result.is_null()) {
ScopedJavaLocalRef<jstring> java_url =
base::android::ConvertUTF8ToJavaString(env, url.spec());
SkColor mean_color = SkColorSetRGB(
kDefaultRGBIconValue, kDefaultRGBIconValue, kDefaultRGBIconValue);
if (!bitmap.isNull())
mean_color = color_utils::CalculateKMeanColorOfBitmap(bitmap);
*is_generated = true;
result = Java_ShortcutHelper_generateHomeScreenIcon(
env, base::android::GetApplicationContext(), java_url.obj(),
SkColorGetR(mean_color), SkColorGetG(mean_color),
SkColorGetB(mean_color));
}
return gfx::CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(result.obj()));
}
bool ShortcutHelper::RegisterShortcutHelper(JNIEnv* env) {
return RegisterNativesImpl(env);
}
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