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 void DistillAndView(JNIEnv* env,
  32                     jclass clazz,
  33                     jobject j_source_web_contents,
  34                     jobject j_destination_web_contents) {
  35   content::WebContents* source_web_contents =
  36       content::WebContents::FromJavaWebContents(j_source_web_contents);
  37   content::WebContents* destination_web_contents =
  38       content::WebContents::FromJavaWebContents(j_destination_web_contents);
  39   ::DistillAndView(source_web_contents, destination_web_contents);
  40 }
  41
  42 jstring GetFormattedUrlFromOriginalDistillerUrl(JNIEnv* env,
  43                                                 jclass clazz,
  44                                                 jstring j_url) {
  45   GURL url(base::android::ConvertJavaStringToUTF8(env, j_url));
  46   Profile* profile = ProfileManager::GetLastUsedProfile();
  47   std::string languages;  // Empty if Profile cannot be retrieved.
  48   if (profile) {
  49     languages = profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
  50   }
  51
  52   if (url.spec().length() > content::kMaxURLDisplayChars)
  53     url = url.IsStandard() ? url.GetOrigin() : GURL(url.scheme() + ":");
  54
  55   // Note that we can't unescape spaces here, because if the user copies this
  56   // and pastes it into another program, that program may think the URL ends at
  57   // the space.
  58   return base::android::ConvertUTF16ToJavaString(
  59              env,
  60              net::FormatUrl(url,
  61                             languages,
  62                             net::kFormatUrlOmitAll,
  63                             net::UnescapeRule::NORMAL,
  64                             NULL,
  65                             NULL,
  66                             NULL)).Release();
  67 }
  68
  69 }  // namespace android
  70
  71 bool RegisterDomDistillerTabUtils(JNIEnv* env) {
  72   return android::RegisterNativesImpl(env);
  73 }