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 "content/public/browser/android/content_view_core.h"
  10 #include "content/public/browser/android/download_controller_android.h"
  11 #include "content/public/common/context_menu_params.h"
  12 #include "jni/ContextMenuHelper_jni.h"
  13 #include "jni/ContextMenuParams_jni.h"
  14 #include "ui/gfx/geometry/point.h"
  15
  16 using base::android::ConvertUTF8ToJavaString;
  17 using base::android::ConvertUTF16ToJavaString;
  18 using base::android::ScopedJavaLocalRef;
  19
  20 DEFINE_WEB_CONTENTS_USER_DATA_KEY(ContextMenuHelper);
  21
  22 ContextMenuHelper::ContextMenuHelper(content::WebContents* web_contents)
  23     : web_contents_(web_contents) {
  24   JNIEnv* env = base::android::AttachCurrentThread();
  25   java_obj_.Reset(
  26       env,
  27       Java_ContextMenuHelper_create(env, reinterpret_cast<long>(this)).obj());
  28   DCHECK(!java_obj_.is_null());
  29 }
  30
  31 ContextMenuHelper::~ContextMenuHelper() {
  32   JNIEnv* env = base::android::AttachCurrentThread();
  33   Java_ContextMenuHelper_destroy(env, java_obj_.obj());
  34 }
  35
  36 void ContextMenuHelper::ShowContextMenu(
  37     const content::ContextMenuParams& params) {
  38   content::ContentViewCore* content_view_core =
  39       content::ContentViewCore::FromWebContents(web_contents_);
  40
  41   if (!content_view_core)
  42     return;
  43
  44   base::android::ScopedJavaLocalRef<jobject> jcontent_view_core(
  45       content_view_core->GetJavaObject());
  46
  47   if (jcontent_view_core.is_null())
  48     return;
  49
  50   JNIEnv* env = base::android::AttachCurrentThread();
  51   context_menu_params_ = params;
  52   Java_ContextMenuHelper_showContextMenu(
  53       env,
  54       java_obj_.obj(),
  55       jcontent_view_core.obj(),
  56       ContextMenuHelper::CreateJavaContextMenuParams(params).obj());
  57 }
  58
  59 // Called to show a custom context menu. Used by the NTP.
  60 void ContextMenuHelper::ShowCustomContextMenu(
  61     const content::ContextMenuParams& params,
  62     const base::Callback<void(int)>& callback) {
  63   context_menu_callback_ = callback;
  64   ShowContextMenu(params);
  65 }
  66
  67 void ContextMenuHelper::SetPopulator(jobject jpopulator) {
  68   JNIEnv* env = base::android::AttachCurrentThread();
  69   Java_ContextMenuHelper_setPopulator(env, java_obj_.obj(), jpopulator);
  70 }
  71
  72 base::android::ScopedJavaLocalRef<jobject>
  73 ContextMenuHelper::CreateJavaContextMenuParams(
  74     const content::ContextMenuParams& params) {
  75   GURL sanitizedReferrer = (params.frame_url.is_empty() ?
  76       params.page_url : params.frame_url).GetAsReferrer();
  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.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           params.is_editable,
  89           ConvertUTF8ToJavaString(env, sanitizedReferrer.spec()).obj(),
  90           params.referrer_policy);
  91
  92   std::vector<content::MenuItem>::const_iterator i;
  93   for (i = params.custom_items.begin(); i != params.custom_items.end(); ++i) {
  94     ContextMenuParamsAndroid::Java_ContextMenuParams_addCustomItem(
  95         env,
  96         jmenu_info.obj(),
  97         ConvertUTF16ToJavaString(env, i->label).obj(),
  98         i->action);
  99   }
 100
 101   return jmenu_info;
 102 }
 103
 104 void ContextMenuHelper::OnCustomItemSelected(JNIEnv* env,
 105                                              jobject obj,
 106                                              jint action) {
 107   if (!context_menu_callback_.is_null()) {
 108     context_menu_callback_.Run(action);
 109     context_menu_callback_.Reset();
 110   }
 111 }
 112
 113 void ContextMenuHelper::OnStartDownload(JNIEnv* env,
 114                                         jobject obj,
 115                                         jboolean jis_link) {
 116   content::DownloadControllerAndroid::Get()->StartContextMenuDownload(
 117       context_menu_params_,
 118       web_contents_,
 119       jis_link);
 120 }
 121
 122 bool RegisterContextMenuHelper(JNIEnv* env) {
 123   return RegisterNativesImpl(env) &&
 124          ContextMenuParamsAndroid::RegisterNativesImpl(env);
 125 }