chrome/browser/dom_distiller/tab_utils_android.cc

   1 // Copyright 2014 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/dom_distiller/tab_utils_android.h"
   6
   7 #include <string>
   8
   9 #include "base/android/jni_string.h"
  10 #include "base/prefs/pref_service.h"
  11 #include "chrome/browser/dom_distiller/tab_utils.h"
  12 #include "chrome/browser/profiles/profile.h"
  13 #include "chrome/browser/profiles/profile_manager.h"
  14 #include "chrome/common/pref_names.h"
  15 #include "components/url_formatter/url_formatter.h"
  16 #include "content/public/browser/web_contents.h"
  17 #include "content/public/common/content_constants.h"
  18 #include "jni/DomDistillerTabUtils_jni.h"
  19 #include "net/base/net_util.h"
  20 #include "url/gurl.h"
  21
  22 namespace android {
  23
  24 void DistillCurrentPageAndView(JNIEnv* env,
  25                                const JavaParamRef<jclass>& clazz,
  26                                const JavaParamRef<jobject>& j_web_contents) {
  27   content::WebContents* web_contents =
  28       content::WebContents::FromJavaWebContents(j_web_contents);
  29   ::DistillCurrentPageAndView(web_contents);
  30 }
  31
  32 void DistillAndView(JNIEnv* env,
  33                     const JavaParamRef<jclass>& clazz,
  34                     const JavaParamRef<jobject>& j_source_web_contents,
  35                     const JavaParamRef<jobject>& j_destination_web_contents) {
  36   content::WebContents* source_web_contents =
  37       content::WebContents::FromJavaWebContents(j_source_web_contents);
  38   content::WebContents* destination_web_contents =
  39       content::WebContents::FromJavaWebContents(j_destination_web_contents);
  40   ::DistillAndView(source_web_contents, destination_web_contents);
  41 }
  42
  43 ScopedJavaLocalRef<jstring> GetFormattedUrlFromOriginalDistillerUrl(
  44     JNIEnv* env,
  45     const JavaParamRef<jclass>& clazz,
  46     const JavaParamRef<jstring>& j_url) {
  47   GURL url(base::android::ConvertJavaStringToUTF8(env, j_url));
  48   Profile* profile = ProfileManager::GetLastUsedProfile();
  49   std::string languages;  // Empty if Profile cannot be retrieved.
  50   if (profile) {
  51     languages = profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
  52   }
  53
  54   if (url.spec().length() > content::kMaxURLDisplayChars)
  55     url = url.IsStandard() ? url.GetOrigin() : GURL(url.scheme() + ":");
  56
  57   // Note that we can't unescape spaces here, because if the user copies this
  58   // and pastes it into another program, that program may think the URL ends at
  59   // the space.
  60   return base::android::ConvertUTF16ToJavaString(
  61       env, url_formatter::FormatUrl(
  62                url, languages, url_formatter::kFormatUrlOmitAll,
  63                net::UnescapeRule::NORMAL, nullptr, nullptr, nullptr));
  64 }
  65
  66 }  // namespace android
  67
  68 bool RegisterDomDistillerTabUtils(JNIEnv* env) {
  69   return android::RegisterNativesImpl(env);
  70 }