chrome/browser/android/download/chrome_download_delegate.cc

   1 // Copyright 2015 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/android/download/chrome_download_delegate.h"
   6
   7 #include <jni.h>
   8
   9 #include "base/android/jni_android.h"
  10 #include "base/android/jni_string.h"
  11 #include "base/android/scoped_java_ref.h"
  12 #include "base/bind.h"
  13 #include "base/callback.h"
  14 #include "base/files/file_path.h"
  15 #include "base/memory/weak_ptr.h"
  16 #include "chrome/browser/android/download/android_download_manager_overwrite_infobar_delegate.h"
  17 #include "chrome/browser/android/tab_android.h"
  18 #include "chrome/browser/download/download_extensions.h"
  19 #include "chrome/browser/infobars/infobar_service.h"
  20 #include "chrome/grit/generated_resources.h"
  21 #include "content/public/browser/android/download_controller_android.h"
  22 #include "jni/ChromeDownloadDelegate_jni.h"
  23 #include "ui/base/l10n/l10n_util.h"
  24
  25 // Gets the download warning text for the given file name.
  26 static ScopedJavaLocalRef<jstring> GetDownloadWarningText(
  27     JNIEnv* env,
  28     const JavaParamRef<jclass>& clazz,
  29     const JavaParamRef<jstring>& filename) {
  30   return base::android::ConvertUTF8ToJavaString(
  31       env, l10n_util::GetStringFUTF8(
  32                IDS_PROMPT_DANGEROUS_DOWNLOAD,
  33                base::android::ConvertJavaStringToUTF16(env, filename)));
  34 }
  35
  36 // Returns true if a file name is dangerous, or false otherwise.
  37 static jboolean IsDownloadDangerous(JNIEnv* env,
  38                                     const JavaParamRef<jclass>& clazz,
  39                                     const JavaParamRef<jstring>& filename) {
  40   base::FilePath path(base::android::ConvertJavaStringToUTF8(env, filename));
  41   return download_util::GetFileDangerLevel(path) !=
  42       download_util::NOT_DANGEROUS;
  43 }
  44
  45 // Called when a dangerous download is validated.
  46 static void DangerousDownloadValidated(JNIEnv* env,
  47                                        const JavaParamRef<jclass>& clazz,
  48                                        const JavaParamRef<jobject>& tab,
  49                                        jint download_id,
  50                                        jboolean accept) {
  51   TabAndroid* tab_android = TabAndroid::GetNativeTab(env, tab);
  52   content::DownloadControllerAndroid::Get()->DangerousDownloadValidated(
  53       tab_android->web_contents(), download_id, accept);
  54 }
  55
  56 // static
  57 bool ChromeDownloadDelegate::EnqueueDownloadManagerRequest(
  58     jobject chrome_download_delegate,
  59     bool overwrite,
  60     jobject download_info) {
  61   JNIEnv* env = base::android::AttachCurrentThread();
  62
  63   return Java_ChromeDownloadDelegate_enqueueDownloadManagerRequestFromNative(
  64       env, chrome_download_delegate, overwrite, download_info);
  65 }
  66
  67 // Called when we need to interrupt download and ask users whether to overwrite
  68 // an existing file.
  69 static void LaunchDownloadOverwriteInfoBar(
  70     JNIEnv* env,
  71     const JavaParamRef<jclass>& clazz,
  72     const JavaParamRef<jobject>& delegate,
  73     const JavaParamRef<jobject>& tab,
  74     const JavaParamRef<jobject>& download_info,
  75     const JavaParamRef<jstring>& jfile_name,
  76     const JavaParamRef<jstring>& jdir_name,
  77     const JavaParamRef<jstring>& jdir_full_path) {
  78   TabAndroid* tab_android = TabAndroid::GetNativeTab(env, tab);
  79
  80   std::string file_name =
  81       base::android::ConvertJavaStringToUTF8(env, jfile_name);
  82   std::string dir_name = base::android::ConvertJavaStringToUTF8(env, jdir_name);
  83   std::string dir_full_path =
  84       base::android::ConvertJavaStringToUTF8(env, jdir_full_path);
  85
  86   chrome::android::AndroidDownloadManagerOverwriteInfoBarDelegate::Create(
  87       InfoBarService::FromWebContents(tab_android->web_contents()), file_name,
  88       dir_name, dir_full_path, delegate, download_info);
  89 }
  90
  91 bool RegisterChromeDownloadDelegate(JNIEnv* env) {
  92   return RegisterNativesImpl(env);
  93 }