Refactor ShortcutHelper and merge in BookmarkUtils

chrome/browser/android/webapps/add_to_homescreen_dialog_helper.cc

-// Copyright 2013 The Chromium Authors. All rights reserved.
+// 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/shortcut_helper.h"
+#include "chrome/browser/android/webapps/add_to_homescreen_dialog_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/android/shortcut_helper.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 "jni/AddToHomescreenDialogHelper_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);
+  AddToHomescreenDialogHelper* add_to_homescreen_helper =
+      new AddToHomescreenDialogHelper(env, obj, web_contents);
+  return reinterpret_cast<intptr_t>(add_to_homescreen_helper);
 }
 
-ShortcutHelper::ShortcutHelper(JNIEnv* env,
-                               jobject obj,
-                               content::WebContents* web_contents)
+AddToHomescreenDialogHelper::AddToHomescreenDialogHelper(JNIEnv* env,
+                                             jobject obj,
+                                             content::WebContents* web_contents)
     : add_shortcut_pending_(false),
-      data_fetcher_(new ShortcutDataFetcher(web_contents, this)) {
+      data_fetcher_(new AddToHomescreenDataFetcher(web_contents, this)) {
   java_ref_.Reset(env, obj);
 }
 
-ShortcutHelper::~ShortcutHelper() {
+AddToHomescreenDialogHelper::~AddToHomescreenDialogHelper() {
   data_fetcher_->set_weak_observer(nullptr);
   data_fetcher_ = nullptr;
 }
 
-void ShortcutHelper::OnUserTitleAvailable(const base::string16& user_title) {
+void AddToHomescreenDialogHelper::OnUserTitleAvailable(
+    const base::string16& user_title) {
   JNIEnv* env = base::android::AttachCurrentThread();
   ScopedJavaLocalRef<jstring> j_user_title =
       base::android::ConvertUTF16ToJavaString(env, user_title);
-  Java_ShortcutHelper_onUserTitleAvailable(env,
-                                           java_ref_.obj(),
-                                           j_user_title.obj());
+  Java_AddToHomescreenDialogHelper_onUserTitleAvailable(env,
+                                                  java_ref_.obj(),
+                                                  j_user_title.obj());
 }
 
-void ShortcutHelper::OnDataAvailable(const ShortcutInfo& info,
-                                     const SkBitmap& icon) {
+void AddToHomescreenDialogHelper::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());
+  Java_AddToHomescreenDialogHelper_onIconAvailable(env,
+                                             java_ref_.obj(),
+                                             java_bitmap.obj());
 
   if (add_shortcut_pending_)
     AddShortcut(info, icon);
 }
 
-void ShortcutHelper::Destroy(JNIEnv* env, jobject obj) {
+void AddToHomescreenDialogHelper::Destroy(JNIEnv* env, jobject obj) {
   delete this;
 }
 
-SkBitmap ShortcutHelper::FinalizeLauncherIcon(const SkBitmap& bitmap,
-                                              const GURL& url) {
+SkBitmap AddToHomescreenDialogHelper::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);
+      Java_AddToHomescreenDialogHelper_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 j_user_title) {
+void AddToHomescreenDialogHelper::AddShortcut(JNIEnv* env,
+                                        jobject obj,
+                                        jstring j_user_title) {
   add_shortcut_pending_ = true;
 
   base::string16 user_title =
       base::android::ConvertJavaStringToUTF16(env, j_user_title);
   if (!user_title.empty())
     data_fetcher_->shortcut_info().user_title = user_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) {
+void AddToHomescreenDialogHelper::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) {
+bool AddToHomescreenDialogHelper::RegisterAddToHomescreenDialogHelper(
+      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_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_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);
-}
-
-void ShortcutHelper::RecordAddToHomescreen() {
+void AddToHomescreenDialogHelper::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());
 }