extensions/browser/guest_view/web_view/javascript_dialog_helper.cc

   1 // Copyright 2014 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 "extensions/browser/guest_view/web_view/javascript_dialog_helper.h"
   6
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "base/values.h"
   9 #include "components/guest_view/common/guest_view_constants.h"
  10 #include "extensions/browser/guest_view/web_view/web_view_constants.h"
  11 #include "extensions/browser/guest_view/web_view/web_view_guest.h"
  12 #include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
  13 #include "extensions/browser/guest_view/web_view/web_view_permission_types.h"
  14
  15 namespace extensions {
  16
  17 namespace {
  18
  19 std::string JavaScriptMessageTypeToString(
  20     content::JavaScriptMessageType message_type) {
  21   switch (message_type) {
  22     case content::JAVASCRIPT_MESSAGE_TYPE_ALERT:
  23       return "alert";
  24     case content::JAVASCRIPT_MESSAGE_TYPE_CONFIRM:
  25       return "confirm";
  26     case content::JAVASCRIPT_MESSAGE_TYPE_PROMPT:
  27       return "prompt";
  28     default:
  29       NOTREACHED() << "Unknown JavaScript Message Type.";
  30       return "unknown";
  31   }
  32 }
  33
  34 }  // namespace
  35
  36 JavaScriptDialogHelper::JavaScriptDialogHelper(WebViewGuest* guest)
  37     : web_view_guest_(guest) {
  38 }
  39
  40 JavaScriptDialogHelper::~JavaScriptDialogHelper() {
  41 }
  42
  43 void JavaScriptDialogHelper::RunJavaScriptDialog(
  44     content::WebContents* web_contents,
  45     const GURL& origin_url,
  46     const std::string& accept_lang,
  47     content::JavaScriptMessageType javascript_message_type,
  48     const base::string16& message_text,
  49     const base::string16& default_prompt_text,
  50     const DialogClosedCallback& callback,
  51     bool* did_suppress_message) {
  52   base::DictionaryValue request_info;
  53   request_info.Set(
  54       webview::kDefaultPromptText,
  55       new base::StringValue(base::UTF16ToUTF8(default_prompt_text)));
  56   request_info.Set(webview::kMessageText,
  57                    new base::StringValue(base::UTF16ToUTF8(message_text)));
  58   request_info.Set(webview::kMessageType,
  59                    new base::StringValue(
  60                        JavaScriptMessageTypeToString(javascript_message_type)));
  61   request_info.Set(guest_view::kUrl, new base::StringValue(origin_url.spec()));
  62   WebViewPermissionHelper* web_view_permission_helper =
  63       WebViewPermissionHelper::FromWebContents(web_contents);
  64   web_view_permission_helper->RequestPermission(
  65       WEB_VIEW_PERMISSION_TYPE_JAVASCRIPT_DIALOG,
  66       request_info,
  67       base::Bind(&JavaScriptDialogHelper::OnPermissionResponse,
  68                  base::Unretained(this),
  69                  callback),
  70       false /* allowed_by_default */);
  71 }
  72
  73 void JavaScriptDialogHelper::RunBeforeUnloadDialog(
  74     content::WebContents* web_contents,
  75     const base::string16& message_text,
  76     bool is_reload,
  77     const DialogClosedCallback& callback) {
  78   // This is called if the guest has a beforeunload event handler.
  79   // This callback allows navigation to proceed.
  80   callback.Run(true, base::string16());
  81 }
  82
  83 bool JavaScriptDialogHelper::HandleJavaScriptDialog(
  84     content::WebContents* web_contents,
  85     bool accept,
  86     const base::string16* prompt_override) {
  87   return false;
  88 }
  89
  90 void JavaScriptDialogHelper::CancelActiveAndPendingDialogs(
  91     content::WebContents* web_contents) {
  92 }
  93
  94 void JavaScriptDialogHelper::ResetDialogState(
  95     content::WebContents* web_contents) {
  96 }
  97
  98 void JavaScriptDialogHelper::OnPermissionResponse(
  99     const DialogClosedCallback& callback,
 100     bool allow,
 101     const std::string& user_input) {
 102   callback.Run(allow && web_view_guest_->attached(),
 103                base::UTF8ToUTF16(user_input));
 104 }
 105
 106 }  // namespace extensions