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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/ui/android/navigation_popup.h"
      6 
      7 #include "base/android/jni_string.h"
      8 #include "base/android/scoped_java_ref.h"
      9 #include "base/bind.h"
     10 #include "chrome/browser/browser_process.h"
     11 #include "chrome/browser/favicon/favicon_service.h"
     12 #include "chrome/browser/favicon/favicon_service_factory.h"
     13 #include "chrome/browser/profiles/profile.h"
     14 #include "chrome/browser/profiles/profile_manager.h"
     15 #include "chrome/common/url_constants.h"
     16 #include "components/history/core/browser/history_types.h"
     17 #include "jni/NavigationPopup_jni.h"
     18 #include "third_party/skia/include/core/SkBitmap.h"
     19 #include "ui/base/resource/resource_bundle.h"
     20 #include "ui/gfx/android/java_bitmap.h"
     21 #include "ui/gfx/image/image.h"
     22 #include "ui/resources/grit/ui_resources.h"
     23 #include "url/gurl.h"
     24 
     25 using base::android::ConvertUTF8ToJavaString;
     26 using base::android::ScopedJavaLocalRef;
     27 
     28 NavigationPopup::NavigationPopup(JNIEnv* env, jobject obj)
     29     : weak_jobject_(env, obj) {
     30 }
     31 
     32 NavigationPopup::~NavigationPopup() {
     33 }
     34 
     35 void NavigationPopup::Destroy(JNIEnv* env, jobject obj) {
     36   delete this;
     37 }
     38 
     39 void NavigationPopup::FetchFaviconForUrl(JNIEnv* env,
     40                                          jobject obj,
     41                                          jstring jurl) {
     42   Profile* profile = g_browser_process->profile_manager()->GetLastUsedProfile();
     43   FaviconService* favicon_service = FaviconServiceFactory::GetForProfile(
     44       profile, Profile::EXPLICIT_ACCESS);
     45   if (!favicon_service)
     46     return;
     47   GURL url(base::android::ConvertJavaStringToUTF16(env, jurl));
     48   // TODO(tedchoc): Request higher favicons based on screen density instead of
     49   //                hardcoding kFaviconSize.
     50   favicon_service->GetFaviconImageForPageURL(
     51       url,
     52       base::Bind(&NavigationPopup::OnFaviconDataAvailable,
     53                  base::Unretained(this),
     54                  url),
     55       &cancelable_task_tracker_);
     56 }
     57 
     58 void NavigationPopup::OnFaviconDataAvailable(
     59     GURL navigation_entry_url,
     60     const favicon_base::FaviconImageResult& image_result) {
     61   gfx::Image image(image_result.image);
     62   if (image.IsEmpty()) {
     63     ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
     64     image = rb.GetImageNamed(IDR_DEFAULT_FAVICON);
     65   }
     66 
     67   JNIEnv* env = base::android::AttachCurrentThread();
     68   ScopedJavaLocalRef<jobject> obj(weak_jobject_.get(env));
     69   if (!obj.obj())
     70     return;
     71 
     72   ScopedJavaLocalRef<jstring> jurl(
     73       ConvertUTF8ToJavaString(env, navigation_entry_url.spec()));
     74 
     75   Java_NavigationPopup_onFaviconUpdated(
     76       env,
     77       obj.obj(),
     78       jurl.obj(),
     79       gfx::ConvertToJavaBitmap(image.ToSkBitmap()).obj());
     80 }
     81 
     82 static jstring GetHistoryUrl(JNIEnv* env, jclass clazz) {
     83   return ConvertUTF8ToJavaString(env, chrome::kChromeUIHistoryURL).Release();
     84 }
     85 
     86 static jlong Init(JNIEnv* env, jobject obj) {
     87   NavigationPopup* popup = new NavigationPopup(env, obj);
     88   return reinterpret_cast<intptr_t>(popup);
     89 }
     90 
     91 // static
     92 bool NavigationPopup::RegisterNavigationPopup(JNIEnv* env) {
     93   return RegisterNativesImpl(env);
     94 }
     95