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Unified Diff: chrome/browser/extensions/api/tabs/windows_helper.cc

Issue 21022018: Sessions API - previously Session Restore API. Supports restoring currently open foreign windows an… (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: updated Created 7 years, 4 months ago
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Index: chrome/browser/extensions/api/tabs/windows_helper.cc
diff --git a/chrome/browser/extensions/api/tabs/windows_helper.cc b/chrome/browser/extensions/api/tabs/windows_helper.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d0480efdc3799c3ab1b7d759e0f6b6a00b5046df
--- /dev/null
+++ b/chrome/browser/extensions/api/tabs/windows_helper.cc
@@ -0,0 +1,44 @@
+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/extensions/api/tabs/windows_helper.h"
+
+#include "base/strings/string_number_conversions.h"
+#include "chrome/browser/extensions/api/tabs/tabs_constants.h"
+#include "chrome/browser/extensions/extension_function.h"
+#include "chrome/browser/extensions/extension_function_dispatcher.h"
+#include "chrome/browser/extensions/window_controller.h"
+#include "chrome/browser/extensions/window_controller_list.h"
+#include "extensions/common/error_utils.h"
+
+bool GetWindowFromWindowID(UIThreadExtensionFunction* function,
+ int window_id,
+ extensions::WindowController** controller) {
+ if (window_id == extension_misc::kCurrentWindowId) {
+ extensions::WindowController* extension_window_controller =
+ function->dispatcher()->delegate()->GetExtensionWindowController();
+ // If there is a window controller associated with this extension, use that.
+ if (extension_window_controller) {
+ *controller = extension_window_controller;
+ } else {
+ // Otherwise get the focused or most recently added window.
+ *controller = extensions::WindowControllerList::GetInstance()->
+ CurrentWindowForFunction(function);
+ }
+ if (!(*controller)) {
+ function->SetError(extensions::tabs_constants::kNoCurrentWindowError);
+ return false;
+ }
+ } else {
+ *controller = extensions::WindowControllerList::GetInstance()->
+ FindWindowForFunctionById(function, window_id);
+ if (!(*controller)) {
+ function->SetError(extensions::ErrorUtils::FormatErrorMessage(
+ extensions::tabs_constants::kWindowNotFoundError,
+ base::IntToString(window_id)));
+ return false;
+ }
+ }
+ return true;
+}

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