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 "content/public/browser/web_contents.h"
  16 #include "content/public/common/content_constants.h"
  17 #include "jni/DomDistillerTabUtils_jni.h"
  18 #include "net/base/net_util.h"
  19 #include "url/gurl.h"
  20
  21 namespace android {
  22
  23 void DistillCurrentPageAndView(JNIEnv* env,
  24                                jclass clazz,
  25                                jobject j_web_contents) {
  26   content::WebContents* web_contents =
  27       content::WebContents::FromJavaWebContents(j_web_contents);
  28   ::DistillCurrentPageAndView(web_contents);
  29 }
  30
  31 jstring GetFormattedUrlFromOriginalDistillerUrl(JNIEnv* env,
  32                                                 jclass clazz,
  33                                                 jstring j_url) {
  34   GURL url(base::android::ConvertJavaStringToUTF8(env, j_url));
  35   Profile* profile = ProfileManager::GetLastUsedProfile();
  36   std::string languages;  // Empty if Profile cannot be retrieved.
  37   if (profile) {
  38     languages = profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
  39   }
  40
  41   if (url.spec().length() > content::kMaxURLDisplayChars)
  42     url = url.IsStandard() ? url.GetOrigin() : GURL(url.scheme() + ":");
  43
  44   // Note that we can't unescape spaces here, because if the user copies this
  45   // and pastes it into another program, that program may think the URL ends at
  46   // the space.
  47   return base::android::ConvertUTF16ToJavaString(
  48              env,
  49              net::FormatUrl(url,
  50                             languages,
  51                             net::kFormatUrlOmitAll,
  52                             net::UnescapeRule::NORMAL,
  53                             NULL,
  54                             NULL,
  55                             NULL)).Release();
  56 }
  57
  58 }  // namespace android
  59
  60 bool RegisterDomDistillerTabUtils(JNIEnv* env) {
  61   return android::RegisterNativesImpl(env);
  62 }