chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.cc

   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/display/display_info.h"
   8 #include "ash/display/display_manager.h"
   9 #include "ash/shell.h"
  10 #include "ash/wm/window_positioner.h"
  11 #include "base/logging.h"
  12 #include "base/memory/ref_counted.h"
  13 #include "base/strings/stringprintf.h"
  14 #include "chrome/browser/browser_process.h"
  15 #include "chrome/browser/browser_process_platform_part_aurawin.h"
  16 #include "chrome/browser/browser_shutdown.h"
  17 #include "chrome/browser/chrome_notification_types.h"
  18 #include "chrome/browser/lifetime/application_lifetime.h"
  19 #include "chrome/browser/profiles/profile_manager.h"
  20 #include "chrome/browser/search_engines/util.h"
  21 #include "chrome/browser/ui/ash/ash_init.h"
  22 #include "chrome/browser/ui/browser.h"
  23 #include "chrome/browser/ui/browser_list.h"
  24 #include "chrome/browser/ui/browser_navigator.h"
  25 #include "chrome/browser/ui/browser_window.h"
  26 #include "chrome/browser/ui/host_desktop.h"
  27 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  28 #include "chrome/common/env_vars.h"
  29 #include "content/public/browser/browser_thread.h"
  30 #include "content/public/browser/gpu_data_manager.h"
  31 #include "content/public/browser/notification_service.h"
  32 #include "content/public/browser/page_navigator.h"
  33 #include "content/public/browser/web_contents.h"
  34 #include "ui/aura/remote_root_window_host_win.h"
  35 #include "ui/surface/accelerated_surface_win.h"
  36 #include "url/gurl.h"
  37
  38 namespace {
  39
  40 void CloseOpenAshBrowsers() {
  41   BrowserList* browser_list =
  42       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
  43   if (browser_list) {
  44     for (BrowserList::const_iterator i = browser_list->begin();
  45          i != browser_list->end(); ++i) {
  46       Browser* browser = *i;
  47       browser->window()->Close();
  48       // If the attempt to Close the browser fails due to unload handlers on
  49       // the page or in progress downloads, etc, destroy all tabs on the page.
  50       while (browser->tab_strip_model()->count())
  51         delete browser->tab_strip_model()->GetWebContentsAt(0);
  52     }
  53   }
  54 }
  55
  56 void OpenURL(const GURL& url) {
  57   chrome::NavigateParams params(
  58       ProfileManager::GetActiveUserProfile(),
  59       GURL(url),
  60       content::PAGE_TRANSITION_TYPED);
  61   params.disposition = NEW_FOREGROUND_TAB;
  62   params.host_desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
  63   chrome::Navigate(&params);
  64 }
  65
  66 }  // namespace
  67
  68 ChromeMetroViewerProcessHost::ChromeMetroViewerProcessHost()
  69     : MetroViewerProcessHost(
  70           content::BrowserThread::GetMessageLoopProxyForThread(
  71               content::BrowserThread::IO)) {
  72   g_browser_process->AddRefModule();
  73 }
  74
  75 void ChromeMetroViewerProcessHost::OnChannelError() {
  76   // TODO(cpu): At some point we only close the browser. Right now this
  77   // is very convenient for developing.
  78   DVLOG(1) << "viewer channel error : Quitting browser";
  79
  80   // Unset environment variable to let breakpad know that metro process wasn't
  81   // connected.
  82   ::SetEnvironmentVariableA(env_vars::kMetroConnected, NULL);
  83
  84   aura::RemoteWindowTreeHostWin::Instance()->Disconnected();
  85   g_browser_process->ReleaseModule();
  86
  87   // If browser is trying to quit, we shouldn't reenter the process.
  88   // TODO(shrikant): In general there seem to be issues with how AttemptExit
  89   // reentry works. In future release please clean up related code.
  90   if (!browser_shutdown::IsTryingToQuit()) {
  91     CloseOpenAshBrowsers();
  92     chrome::CloseAsh();
  93   }
  94   // Tell the rest of Chrome about it.
  95   content::NotificationService::current()->Notify(
  96       chrome::NOTIFICATION_ASH_SESSION_ENDED,
  97       content::NotificationService::AllSources(),
  98       content::NotificationService::NoDetails());
  99
 100   // This will delete the MetroViewerProcessHost object. Don't access member
 101   // variables/functions after this call.
 102   g_browser_process->platform_part()->OnMetroViewerProcessTerminated();
 103 }
 104
 105 void ChromeMetroViewerProcessHost::OnChannelConnected(int32 /*peer_pid*/) {
 106   DVLOG(1) << "ChromeMetroViewerProcessHost::OnChannelConnected: ";
 107   // Set environment variable to let breakpad know that metro process was
 108   // connected.
 109   ::SetEnvironmentVariableA(env_vars::kMetroConnected, "1");
 110
 111   if (!content::GpuDataManager::GetInstance()->GpuAccessAllowed(NULL)) {
 112     DVLOG(1) << "No GPU access, attempting to restart in Desktop\n";
 113     chrome::AttemptRestartToDesktopMode();
 114   }
 115 }
 116
 117 void ChromeMetroViewerProcessHost::OnSetTargetSurface(
 118     gfx::NativeViewId target_surface) {
 119   // Now start the Ash shell environment.
 120   chrome::OpenAsh();
 121   ash::Shell::GetInstance()->CreateShelf();
 122   ash::Shell::GetInstance()->ShowShelf();
 123
 124   HWND hwnd = reinterpret_cast<HWND>(target_surface);
 125   // Tell our root window host that the viewer has connected.
 126   aura::RemoteWindowTreeHostWin::Instance()->Connected(this, hwnd);
 127
 128   // On Windows 8 ASH we default to SHOW_STATE_MAXIMIZED for the browser
 129   // window. This is to ensure that we honor metro app conventions by default.
 130   ash::WindowPositioner::SetMaximizeFirstWindow(true);
 131   // Tell the rest of Chrome that Ash is running.
 132   content::NotificationService::current()->Notify(
 133       chrome::NOTIFICATION_ASH_SESSION_STARTED,
 134       content::NotificationService::AllSources(),
 135       content::NotificationService::NoDetails());
 136 }
 137
 138 void ChromeMetroViewerProcessHost::OnOpenURL(const base::string16& url) {
 139   OpenURL(GURL(url));
 140 }
 141
 142 void ChromeMetroViewerProcessHost::OnHandleSearchRequest(
 143     const base::string16& search_string) {
 144   GURL url(GetDefaultSearchURLForSearchTerms(
 145       ProfileManager::GetActiveUserProfile(), search_string));
 146   if (url.is_valid())
 147     OpenURL(url);
 148 }
 149
 150 void ChromeMetroViewerProcessHost::OnWindowSizeChanged(uint32 width,
 151                                                        uint32 height) {
 152   std::vector<ash::internal::DisplayInfo> info_list;
 153   info_list.push_back(ash::internal::DisplayInfo::CreateFromSpec(
 154       base::StringPrintf("%dx%d", width, height)));
 155   ash::Shell::GetInstance()->display_manager()->OnNativeDisplaysChanged(
 156       info_list);
 157   aura::RemoteWindowTreeHostWin::Instance()->HandleWindowSizeChanged(width,
 158                                                                      height);
 159 }