Home | History | Annotate | Download | only in ash 
      1 // Copyright (c) 2012 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/ui/ash/user_action_handler.h"
      6 
      7 #include "ash/wm/window_util.h"
      8 #include "chrome/browser/ui/browser.h"
      9 #include "chrome/browser/ui/browser_finder.h"
     10 #include "chrome/browser/ui/browser_window.h"
     11 #include "chrome/browser/ui/tabs/tab_strip_model.h"
     12 #include "content/public/browser/web_contents.h"
     13 
     14 // Returns the currently-active WebContents belonging to the active browser, or
     15 // NULL if there's no currently-active browser.
     16 content::WebContents* GetActiveWebContents() {
     17   Browser* browser = chrome::FindLastActiveWithHostDesktopType(
     18       chrome::HOST_DESKTOP_TYPE_ASH);
     19   if (!browser)
     20     return NULL;
     21   if (!ash::wm::IsActiveWindow(browser->window()->GetNativeWindow()))
     22     return NULL;
     23 
     24   return browser->tab_strip_model()->GetActiveWebContents();
     25 }
     26 
     27 UserActionHandler::UserActionHandler() {}
     28 
     29 UserActionHandler::~UserActionHandler() {}
     30 
     31 bool UserActionHandler::OnUserAction(
     32     aura::client::UserActionClient::Command command) {
     33   switch (command) {
     34     case aura::client::UserActionClient::BACK: {
     35       content::WebContents* contents = GetActiveWebContents();
     36       if (contents && contents->GetController().CanGoBack()) {
     37         contents->GetController().GoBack();
     38         return true;
     39       }
     40       break;
     41     }
     42     case aura::client::UserActionClient::FORWARD: {
     43       content::WebContents* contents = GetActiveWebContents();
     44       if (contents && contents->GetController().CanGoForward()) {
     45         contents->GetController().GoForward();
     46         return true;
     47       }
     48       break;
     49     }
     50     default:
     51       break;
     52   }
     53   return false;
     54 }
     55