content/browser/webui/generic_handler.cc

   1 // Copyright (c) 2011 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 "content/browser/webui/generic_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/logging.h"
  10 #include "base/values.h"
  11 #include "content/public/browser/web_ui.h"
  12 #include "content/public/browser/web_contents.h"
  13 #include "ui/base/window_open_disposition.h"
  14
  15 namespace content {
  16
  17 GenericHandler::GenericHandler() {
  18 }
  19
  20 GenericHandler::~GenericHandler() {
  21 }
  22
  23 void GenericHandler::RegisterMessages() {
  24   web_ui()->RegisterMessageCallback("navigateToUrl",
  25       base::Bind(&GenericHandler::HandleNavigateToUrl, base::Unretained(this)));
  26 }
  27
  28 void GenericHandler::HandleNavigateToUrl(const base::ListValue* args) {
  29   std::string url_string;
  30   std::string target_string;
  31   double button;
  32   bool alt_key;
  33   bool ctrl_key;
  34   bool meta_key;
  35   bool shift_key;
  36
  37   CHECK(args->GetString(0, &url_string));
  38   CHECK(args->GetString(1, &target_string));
  39   CHECK(args->GetDouble(2, &button));
  40   CHECK(args->GetBoolean(3, &alt_key));
  41   CHECK(args->GetBoolean(4, &ctrl_key));
  42   CHECK(args->GetBoolean(5, &meta_key));
  43   CHECK(args->GetBoolean(6, &shift_key));
  44
  45   CHECK(button == 0.0 || button == 1.0);
  46   bool middle_button = (button == 1.0);
  47
  48   WindowOpenDisposition disposition = ui::DispositionFromClick(
  49       middle_button, alt_key, ctrl_key, meta_key, shift_key);
  50   if (disposition == CURRENT_TAB && target_string == "_blank")
  51     disposition = NEW_FOREGROUND_TAB;
  52
  53   web_ui()->GetWebContents()->OpenURL(OpenURLParams(
  54       GURL(url_string), Referrer(), disposition, PAGE_TRANSITION_LINK, false));
  55
  56   // This may delete us!
  57 }
  58
  59 }  // namespace content