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/extensions/api/tabs/windows_util.h"
6
7#include "base/strings/string_number_conversions.h"
8#include "chrome/browser/extensions/api/tabs/tabs_constants.h"
9#include "chrome/browser/extensions/chrome_extension_function.h"
10#include "chrome/browser/extensions/chrome_extension_function_details.h"
11#include "chrome/browser/extensions/window_controller.h"
12#include "chrome/browser/extensions/window_controller_list.h"
13#include "extensions/browser/extension_function_dispatcher.h"
14#include "extensions/common/constants.h"
15#include "extensions/common/error_utils.h"
16
17namespace windows_util {
18
19bool GetWindowFromWindowID(ChromeUIThreadExtensionFunction* function,
20                           int window_id,
21                           extensions::WindowController** controller) {
22  ChromeExtensionFunctionDetails function_details(function);
23  if (window_id == extension_misc::kCurrentWindowId) {
24    extensions::WindowController* extension_window_controller =
25        function->dispatcher()->delegate()->GetExtensionWindowController();
26    // If there is a window controller associated with this extension, use that.
27    if (extension_window_controller) {
28      *controller = extension_window_controller;
29    } else {
30      // Otherwise get the focused or most recently added window.
31      *controller = extensions::WindowControllerList::GetInstance()
32                        ->CurrentWindowForFunction(function_details);
33    }
34    if (!(*controller)) {
35      function->SetError(extensions::tabs_constants::kNoCurrentWindowError);
36      return false;
37    }
38  } else {
39    *controller = extensions::WindowControllerList::GetInstance()
40                      ->FindWindowForFunctionById(function_details, window_id);
41    if (!(*controller)) {
42      function->SetError(extensions::ErrorUtils::FormatErrorMessage(
43          extensions::tabs_constants::kWindowNotFoundError,
44          base::IntToString(window_id)));
45      return false;
46    }
47  }
48  return true;
49}
50
51}  // namespace windows_util
52