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      1 // Copyright 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/metro_viewer/chrome_metro_viewer_process_host_aurawin.h"
      6 
      7 #include "ash/shell.h"
      8 #include "base/logging.h"
      9 #include "base/memory/ref_counted.h"
     10 #include "chrome/browser/browser_process.h"
     11 #include "chrome/browser/browser_process_platform_part_aurawin.h"
     12 #include "chrome/browser/chrome_notification_types.h"
     13 #include "chrome/browser/profiles/profile_manager.h"
     14 #include "chrome/browser/search_engines/util.h"
     15 #include "chrome/browser/ui/ash/ash_init.h"
     16 #include "chrome/browser/ui/browser.h"
     17 #include "chrome/browser/ui/browser_finder.h"
     18 #include "chrome/browser/ui/browser_list.h"
     19 #include "chrome/browser/ui/browser_window.h"
     20 #include "chrome/browser/ui/host_desktop.h"
     21 #include "chrome/browser/ui/tabs/tab_strip_model.h"
     22 #include "content/public/browser/browser_thread.h"
     23 #include "content/public/browser/notification_service.h"
     24 #include "content/public/browser/page_navigator.h"
     25 #include "content/public/browser/web_contents.h"
     26 #include "ui/aura/remote_root_window_host_win.h"
     27 #include "ui/surface/accelerated_surface_win.h"
     28 #include "url/gurl.h"
     29 
     30 namespace {
     31 
     32 void CloseOpenAshBrowsers() {
     33   BrowserList* browser_list =
     34       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
     35   if (browser_list) {
     36     for (BrowserList::const_iterator i = browser_list->begin();
     37          i != browser_list->end(); ++i) {
     38       Browser* browser = *i;
     39       browser->window()->Close();
     40       // If the attempt to Close the browser fails due to unload handlers on
     41       // the page or in progress downloads, etc, destroy all tabs on the page.
     42       while (browser->tab_strip_model()->count())
     43         delete browser->tab_strip_model()->GetWebContentsAt(0);
     44     }
     45   }
     46 }
     47 
     48 void OpenURL(const GURL& url) {
     49   Browser* browser = chrome::FindOrCreateTabbedBrowser(
     50       ProfileManager::GetDefaultProfileOrOffTheRecord(),
     51       chrome::HOST_DESKTOP_TYPE_ASH);
     52   browser->OpenURL(content::OpenURLParams(
     53     GURL(url), content::Referrer(), NEW_FOREGROUND_TAB,
     54     content::PAGE_TRANSITION_TYPED, false));
     55 }
     56 
     57 }  // namespace
     58 
     59 ChromeMetroViewerProcessHost::ChromeMetroViewerProcessHost()
     60     : MetroViewerProcessHost(
     61           content::BrowserThread::GetMessageLoopProxyForThread(
     62               content::BrowserThread::IO)) {
     63   g_browser_process->AddRefModule();
     64 }
     65 
     66 void  ChromeMetroViewerProcessHost::OnChannelError() {
     67   // TODO(cpu): At some point we only close the browser. Right now this
     68   // is very convenient for developing.
     69   DLOG(INFO) << "viewer channel error : Quitting browser";
     70   aura::RemoteRootWindowHostWin::Instance()->Disconnected();
     71   g_browser_process->ReleaseModule();
     72   CloseOpenAshBrowsers();
     73   chrome::CloseAsh();
     74   // Tell the rest of Chrome about it.
     75   content::NotificationService::current()->Notify(
     76       chrome::NOTIFICATION_ASH_SESSION_ENDED,
     77       content::NotificationService::AllSources(),
     78       content::NotificationService::NoDetails());
     79 
     80   // This will delete the MetroViewerProcessHost object. Don't access member
     81   // variables/functions after this call.
     82   g_browser_process->platform_part()->OnMetroViewerProcessTerminated();
     83 }
     84 
     85 void ChromeMetroViewerProcessHost::OnSetTargetSurface(
     86     gfx::NativeViewId target_surface) {
     87   DLOG(INFO) << __FUNCTION__ << ", target_surface = " << target_surface;
     88   HWND hwnd = reinterpret_cast<HWND>(target_surface);
     89   chrome::OpenAsh();
     90   scoped_refptr<AcceleratedPresenter> any_window =
     91       AcceleratedPresenter::GetForWindow(NULL);
     92   any_window->SetNewTargetWindow(hwnd);
     93   aura::RemoteRootWindowHostWin::Instance()->Connected(this);
     94   ash::Shell::GetInstance()->CreateLauncher();
     95   ash::Shell::GetInstance()->ShowLauncher();
     96   // Tell the rest of Chrome that Ash is running.
     97   content::NotificationService::current()->Notify(
     98       chrome::NOTIFICATION_ASH_SESSION_STARTED,
     99       content::NotificationService::AllSources(),
    100       content::NotificationService::NoDetails());
    101 }
    102 
    103 void ChromeMetroViewerProcessHost::OnOpenURL(const string16& url) {
    104   OpenURL(GURL(url));
    105 }
    106 
    107 void ChromeMetroViewerProcessHost::OnHandleSearchRequest(
    108     const string16& search_string) {
    109   GURL url(GetDefaultSearchURLForSearchTerms(
    110       ProfileManager::GetDefaultProfileOrOffTheRecord(), search_string));
    111   if (url.is_valid())
    112     OpenURL(url);
    113 }
    114