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