Center wallpaper picker when open and open author's website in a new window

chrome/browser/chromeos/extensions/wallpaper_manager_util.cc

 // Copyright (c) 2012 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/chromeos/extensions/wallpaper_manager_util.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
+#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/browser_tabstrip.h"
+#include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/chrome_pages.h"
-#include "chrome/browser/ui/extensions/application_launch.h"
+#include "chrome/browser/ui/tab_contents/tab_contents.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/url_constants.h"
+#include "content/public/browser/web_contents.h"
+#include "ui/gfx/screen.h"
 
 namespace wallpaper_manager_util {
+namespace {
+
+Browser* GetBrowserForUrl(GURL target_url) {
+  for (BrowserList::const_iterator browser_iterator = BrowserList::begin();
+       browser_iterator != BrowserList::end(); ++browser_iterator) {
+    Browser* browser = *browser_iterator;
+    TabStripModel* tab_strip = browser->tab_strip_model();
+    for (int idx = 0; idx < tab_strip->count(); idx++) {
+      content::WebContents* web_contents =
+          tab_strip->GetTabContentsAt(idx)->web_contents();
+      const GURL& url = web_contents->GetURL();
+      if (url == target_url)
+        return browser;
+    }
+  }
+  return NULL;
+}
+
+}  // namespace
 
 void OpenWallpaperManager() {
   Profile* profile = ProfileManager::GetDefaultProfileOrOffTheRecord();
   // Hides the new UI container behind a flag.
   if (!CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kDisableNewWallpaperUI)) {
     std::string url = chrome::kChromeUIWallpaperURL;
     ExtensionService* service = profile->GetExtensionService();
     if (!service)
       return;
 
     const extensions::Extension* extension =
         service->GetExtensionById(extension_misc::kWallpaperManagerId, false);
     if (!extension)
       return;
 
-    application_launch::LaunchParams params(profile, extension,
-                                            extension_misc::LAUNCH_WINDOW,
-                                            NEW_FOREGROUND_TAB);
-    params.override_url = GURL(url);
-    application_launch::OpenApplication(params);
+    GURL wallpaper_picker_url(url);
+    int width = extension->launch_width();
+    int height = extension->launch_height();
+    const gfx::Size screen = gfx::Screen::GetPrimaryDisplay().size();
+    const gfx::Rect bounds((screen.width() - width) / 2,
+                           (screen.height() - height) / 2,
+                           width,
+                           height);
+
+    Browser* browser = GetBrowserForUrl(wallpaper_picker_url);
+
+    if (!browser) {
+      browser = new Browser(
+          Browser::CreateParams::CreateForApp(Browser::TYPE_POPUP,
+                                              extension->name(),
+                                              bounds,
+                                              profile));
+
+      chrome::AddSelectedTabWithURL(browser, wallpaper_picker_url,
+                                    content::PAGE_TRANSITION_LINK);
+    }
+    browser->window()->Show();
   } else {
     Browser* browser = browser::FindOrCreateTabbedBrowser(
         ProfileManager::GetDefaultProfileOrOffTheRecord());
     chrome::ShowSettingsSubPage(browser, "setWallpaper");
   }
 }
 
 }  // namespace wallpaper_manager_util