Added GetFormattedUrlFromOriginalDistillerUrl to DomDistillerTabUtils

These changes create support for GetFormattedUrlFromOriginalDistillerUrl,
which is necessary for reformatting the original distiller URL for
display in the Location Bar.

BUG=383630

Review URL: https://codereview.chromium.org/454063003

Cr-Commit-Position: refs/heads/master@{#289166}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@289166 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 35 insertions, 0 deletions

diff --git a/chrome/browser/dom_distiller/tab_utils_android.cc b/chrome/browser/dom_distiller/tab_utils_android.cc
index 805f7e36..855fba6 100644
--- a/chrome/browser/dom_distiller/tab_utils_android.cc
+++ b/chrome/browser/dom_distiller/tab_utils_android.cc
@@ -6,9 +6,17 @@
 
 #include <string>
 
+#include "base/android/jni_string.h"
+#include "base/prefs/pref_service.h"
 #include "chrome/browser/dom_distiller/tab_utils.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/pref_names.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/content_constants.h"
 #include "jni/DomDistillerTabUtils_jni.h"
+#include "net/base/net_util.h"
+#include "url/gurl.h"
 
 namespace android {
 
@@ -20,6 +28,33 @@ void DistillCurrentPageAndView(JNIEnv* env,
   ::DistillCurrentPageAndView(web_contents);
 }
 
+jstring GetFormattedUrlFromOriginalDistillerUrl(JNIEnv* env,
+                                                jclass clazz,
+                                                jstring j_url) {
+  GURL url(base::android::ConvertJavaStringToUTF8(env, j_url));
+  Profile* profile = ProfileManager::GetLastUsedProfile();
+  std::string languages;  // Empty if Profile cannot be retrieved.
+  if (profile) {
+    languages = profile->GetPrefs()->GetString(prefs::kAcceptLanguages);
+  }
+
+  if (url.spec().length() > content::kMaxURLDisplayChars)
+    url = url.IsStandard() ? url.GetOrigin() : GURL(url.scheme() + ":");
+
+  // Note that we can't unescape spaces here, because if the user copies this
+  // and pastes it into another program, that program may think the URL ends at
+  // the space.
+  return base::android::ConvertUTF16ToJavaString(
+             env,
+             net::FormatUrl(url,
+                            languages,
+                            net::kFormatUrlOmitAll,
+                            net::UnescapeRule::NORMAL,
+                            NULL,
+                            NULL,
+                            NULL)).Release();
+}
+
 }  // namespace android
 
 bool RegisterDomDistillerTabUtils(JNIEnv* env) {