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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/jni_android.h"
#include "base/android/jni_string.h"
#include "base/basictypes.h"
#include "base/location.h"
#include "base/strings/string16.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/banners/app_banner_settings_helper.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/manifest.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;
jlong Initialize(JNIEnv* env, jobject obj, jobject java_web_contents) {
content::WebContents* web_contents =
content::WebContents::FromJavaWebContents(java_web_contents);
ShortcutHelper* shortcut_helper = new ShortcutHelper(env, obj, web_contents);
return reinterpret_cast<intptr_t>(shortcut_helper);
}
ShortcutHelper::ShortcutHelper(JNIEnv* env,
jobject obj,
content::WebContents* web_contents)
: add_shortcut_pending_(false),
data_fetcher_(new ShortcutDataFetcher(web_contents, this)) {
java_ref_.Reset(env, obj);
}
ShortcutHelper::~ShortcutHelper() {
data_fetcher_->set_weak_observer(nullptr);
data_fetcher_ = nullptr;
}
void ShortcutHelper::OnTitleAvailable(const base::string16& title) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> j_title =
base::android::ConvertUTF16ToJavaString(env, title);
Java_ShortcutHelper_onTitleAvailable(env,
java_ref_.obj(),
j_title.obj());
}
void ShortcutHelper::OnDataAvailable(const ShortcutInfo& info,
const SkBitmap& icon) {
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jobject> java_bitmap;
if (icon.getSize())
java_bitmap = gfx::ConvertToJavaBitmap(&icon);
Java_ShortcutHelper_onIconAvailable(env,
java_ref_.obj(),
java_bitmap.obj());
if (add_shortcut_pending_)
AddShortcut(info, icon);
}
void ShortcutHelper::Destroy(JNIEnv* env, jobject obj) {
delete this;
}
SkBitmap ShortcutHelper::FinalizeLauncherIcon(const SkBitmap& bitmap,
const GURL& url) {
DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
// Determine a single color to use for the favicon if the favicon that is
// returned it is too low quality.
SkColor color = color_utils::CalculateKMeanColorOfBitmap(bitmap);
int dominant_red = SkColorGetR(color);
int dominant_green = SkColorGetG(color);
int dominant_blue = SkColorGetB(color);
// Make the icon acceptable for the Android launcher.
JNIEnv* env = base::android::AttachCurrentThread();
ScopedJavaLocalRef<jstring> java_url =
base::android::ConvertUTF8ToJavaString(env, url.spec());
ScopedJavaLocalRef<jobject> java_bitmap;
if (bitmap.getSize())
java_bitmap = gfx::ConvertToJavaBitmap(&bitmap);
base::android::ScopedJavaLocalRef<jobject> ref =
Java_ShortcutHelper_finalizeLauncherIcon(env,
java_url.obj(),
java_bitmap.obj(),
dominant_red,
dominant_green,
dominant_blue);
return gfx::CreateSkBitmapFromJavaBitmap(gfx::JavaBitmap(ref.obj()));
}
void ShortcutHelper::AddShortcut(JNIEnv* env, jobject obj, jstring jtitle) {
add_shortcut_pending_ = true;
base::string16 title = base::android::ConvertJavaStringToUTF16(env, jtitle);
if (!title.empty())
data_fetcher_->shortcut_info().title = title;
if (data_fetcher_->is_ready()) {
// If the fetcher isn't ready yet, the shortcut will be added when it is
// via OnDataAvailable();
AddShortcut(data_fetcher_->shortcut_info(), data_fetcher_->shortcut_icon());
}
}
void ShortcutHelper::AddShortcut(const ShortcutInfo& info,
const SkBitmap& icon) {
DCHECK(add_shortcut_pending_);
if (!add_shortcut_pending_)
return;
add_shortcut_pending_ = false;
RecordAddToHomescreen();
content::BrowserThread::PostTask(
content::BrowserThread::IO,
FROM_HERE,
base::Bind(&ShortcutHelper::AddShortcutInBackgroundWithSkBitmap,
info,
icon));
}
bool ShortcutHelper::RegisterShortcutHelper(JNIEnv* env) {
return RegisterNativesImpl(env);
}
// static
void ShortcutHelper::AddShortcutInBackgroundWithSkBitmap(
const ShortcutInfo& info,
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_url =
base::android::ConvertUTF8ToJavaString(env, info.url.spec());
ScopedJavaLocalRef<jstring> java_title =
base::android::ConvertUTF16ToJavaString(env, info.title);
ScopedJavaLocalRef<jobject> java_bitmap;
if (icon_bitmap.getSize())
java_bitmap = gfx::ConvertToJavaBitmap(&icon_bitmap);
Java_ShortcutHelper_addShortcut(
env,
base::android::GetApplicationContext(),
java_url.obj(),
java_title.obj(),
java_bitmap.obj(),
info.display == content::Manifest::DISPLAY_MODE_STANDALONE,
info.orientation);
}
void ShortcutHelper::RecordAddToHomescreen() {
// Record that the shortcut has been added, so no banners will be shown
// for this app.
content::WebContents* web_contents = data_fetcher_->web_contents();
if (!web_contents)
return;
AppBannerSettingsHelper::RecordBannerEvent(
web_contents, web_contents->GetURL(),
data_fetcher_->shortcut_info().url.spec(),
AppBannerSettingsHelper::APP_BANNER_EVENT_DID_ADD_TO_HOMESCREEN,
base::Time::Now());
}
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