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