chrome/browser/ui/android/context_menu_helper.cc

   1 // Copyright 2013 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/ui/android/context_menu_helper.h"
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/android/jni_string.h"
   9 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_headers.h"
  10 #include "content/public/browser/android/content_view_core.h"
  11 #include "content/public/browser/android/download_controller_android.h"
  12 #include "content/public/common/context_menu_params.h"
  13 #include "jni/ContextMenuHelper_jni.h"
  14 #include "jni/ContextMenuParams_jni.h"
  15 #include "ui/gfx/geometry/point.h"
  16
  17 using base::android::ConvertJavaStringToUTF8;
  18 using base::android::ConvertUTF8ToJavaString;
  19 using base::android::ConvertUTF16ToJavaString;
  20 using base::android::ScopedJavaLocalRef;
  21
  22 DEFINE_WEB_CONTENTS_USER_DATA_KEY(ContextMenuHelper);
  23
  24 ContextMenuHelper::ContextMenuHelper(content::WebContents* web_contents)
  25     : web_contents_(web_contents) {
  26   JNIEnv* env = base::android::AttachCurrentThread();
  27   java_obj_.Reset(
  28       env,
  29       Java_ContextMenuHelper_create(env, reinterpret_cast<long>(this)).obj());
  30   DCHECK(!java_obj_.is_null());
  31 }
  32
  33 ContextMenuHelper::~ContextMenuHelper() {
  34   JNIEnv* env = base::android::AttachCurrentThread();
  35   Java_ContextMenuHelper_destroy(env, java_obj_.obj());
  36 }
  37
  38 void ContextMenuHelper::ShowContextMenu(
  39     const content::ContextMenuParams& params) {
  40   content::ContentViewCore* content_view_core =
  41       content::ContentViewCore::FromWebContents(web_contents_);
  42
  43   if (!content_view_core)
  44     return;
  45
  46   base::android::ScopedJavaLocalRef<jobject> jcontent_view_core(
  47       content_view_core->GetJavaObject());
  48
  49   if (jcontent_view_core.is_null())
  50     return;
  51
  52   JNIEnv* env = base::android::AttachCurrentThread();
  53   context_menu_params_ = params;
  54   Java_ContextMenuHelper_showContextMenu(
  55       env,
  56       java_obj_.obj(),
  57       jcontent_view_core.obj(),
  58       ContextMenuHelper::CreateJavaContextMenuParams(params).obj());
  59 }
  60
  61 void ContextMenuHelper::SetPopulator(jobject jpopulator) {
  62   JNIEnv* env = base::android::AttachCurrentThread();
  63   Java_ContextMenuHelper_setPopulator(env, java_obj_.obj(), jpopulator);
  64 }
  65
  66 base::android::ScopedJavaLocalRef<jobject>
  67 ContextMenuHelper::CreateJavaContextMenuParams(
  68     const content::ContextMenuParams& params) {
  69   GURL sanitizedReferrer = (params.frame_url.is_empty() ?
  70       params.page_url : params.frame_url).GetAsReferrer();
  71
  72   std::map<std::string, std::string>::const_iterator it =
  73       params.properties.find(data_reduction_proxy::chrome_proxy_header());
  74   bool image_was_fetched_lo_fi =
  75       it != params.properties.end() &&
  76       it->second == data_reduction_proxy::chrome_proxy_lo_fi_directive();
  77
  78   JNIEnv* env = base::android::AttachCurrentThread();
  79   base::android::ScopedJavaLocalRef<jobject> jmenu_info =
  80       ContextMenuParamsAndroid::Java_ContextMenuParams_create(
  81           env,
  82           params.media_type,
  83           ConvertUTF8ToJavaString(env, params.page_url.spec()).obj(),
  84           ConvertUTF8ToJavaString(env, params.link_url.spec()).obj(),
  85           ConvertUTF16ToJavaString(env, params.link_text).obj(),
  86           ConvertUTF8ToJavaString(env, params.unfiltered_link_url.spec()).obj(),
  87           ConvertUTF8ToJavaString(env, params.src_url.spec()).obj(),
  88           ConvertUTF16ToJavaString(env, params.title_text).obj(),
  89           image_was_fetched_lo_fi,
  90           ConvertUTF8ToJavaString(env, sanitizedReferrer.spec()).obj(),
  91           params.referrer_policy);
  92
  93   return jmenu_info;
  94 }
  95
  96 void ContextMenuHelper::OnStartDownload(JNIEnv* env,
  97                                         jobject obj,
  98                                         jboolean jis_link,
  99                                         jstring jheaders) {
 100   std::string headers(ConvertJavaStringToUTF8(env, jheaders));
 101   content::DownloadControllerAndroid::Get()->StartContextMenuDownload(
 102       context_menu_params_,
 103       web_contents_,
 104       jis_link,
 105       headers);
 106 }
 107
 108 bool RegisterContextMenuHelper(JNIEnv* env) {
 109   return RegisterNativesImpl(env) &&
 110          ContextMenuParamsAndroid::RegisterNativesImpl(env);
 111 }