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 jstring GetDownloadWarningText(
  27     JNIEnv* env, jclass clazz, jstring filename) {
  28   return base::android::ConvertUTF8ToJavaString(
  29       env, l10n_util::GetStringFUTF8(
  30           IDS_PROMPT_DANGEROUS_DOWNLOAD,
  31           base::android::ConvertJavaStringToUTF16(env, filename))).Release();
  32 }
  33
  34 // Returns true if a file name is dangerous, or false otherwise.
  35 static jboolean IsDownloadDangerous(
  36     JNIEnv* env, jclass clazz, jstring filename) {
  37   base::FilePath path(base::android::ConvertJavaStringToUTF8(env, filename));
  38   return download_util::GetFileDangerLevel(path) !=
  39       download_util::NOT_DANGEROUS;
  40 }
  41
  42 // Called when a dangerous download is validated.
  43 static void DangerousDownloadValidated(
  44     JNIEnv* env, jclass clazz, jobject tab, jint download_id, jboolean accept) {
  45   TabAndroid* tab_android = TabAndroid::GetNativeTab(env, tab);
  46   content::DownloadControllerAndroid::Get()->DangerousDownloadValidated(
  47       tab_android->web_contents(), download_id, accept);
  48 }
  49
  50 // static
  51 void ChromeDownloadDelegate::EnqueueDownloadManagerRequest(
  52     jobject chrome_download_delegate,
  53     bool overwrite,
  54     jobject download_info) {
  55   JNIEnv* env = base::android::AttachCurrentThread();
  56
  57   Java_ChromeDownloadDelegate_enqueueDownloadManagerRequestFromNative(
  58       env, chrome_download_delegate, overwrite, download_info);
  59 }
  60
  61 // Called when we need to interrupt download and ask users whether to overwrite
  62 // an existing file.
  63 static void LaunchDownloadOverwriteInfoBar(JNIEnv* env,
  64                                            jclass clazz,
  65                                            jobject delegate,
  66                                            jobject tab,
  67                                            jobject download_info,
  68                                            jstring jfile_name,
  69                                            jstring jdir_name,
  70                                            jstring jdir_full_path) {
  71   TabAndroid* tab_android = TabAndroid::GetNativeTab(env, tab);
  72
  73   std::string file_name =
  74       base::android::ConvertJavaStringToUTF8(env, jfile_name);
  75   std::string dir_name = base::android::ConvertJavaStringToUTF8(env, jdir_name);
  76   std::string dir_full_path =
  77       base::android::ConvertJavaStringToUTF8(env, jdir_full_path);
  78
  79   chrome::android::AndroidDownloadManagerOverwriteInfoBarDelegate::Create(
  80       InfoBarService::FromWebContents(tab_android->web_contents()), file_name,
  81       dir_name, dir_full_path, delegate, download_info);
  82 }
  83
  84 bool RegisterChromeDownloadDelegate(JNIEnv* env) {
  85   return RegisterNativesImpl(env);
  86 }