src/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_window_tree_host_win.h"
  35 #include "url/gurl.h"
  36
  37 namespace {
  38
  39 void CloseOpenAshBrowsers() {
  40   BrowserList* browser_list =
  41       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
  42   if (browser_list) {
  43     for (BrowserList::const_iterator i = browser_list->begin();
  44          i != browser_list->end(); ++i) {
  45       Browser* browser = *i;
  46       browser->window()->Close();
  47       // If the attempt to Close the browser fails due to unload handlers on
  48       // the page or in progress downloads, etc, destroy all tabs on the page.
  49       while (browser->tab_strip_model()->count())
  50         delete browser->tab_strip_model()->GetWebContentsAt(0);
  51     }
  52   }
  53 }
  54
  55 void OpenURL(const GURL& url) {
  56   chrome::NavigateParams params(
  57       ProfileManager::GetActiveUserProfile(),
  58       GURL(url),
  59       content::PAGE_TRANSITION_TYPED);
  60   params.disposition = NEW_FOREGROUND_TAB;
  61   params.host_desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
  62   chrome::Navigate(&params);
  63 }
  64
  65 }  // namespace
  66
  67 ChromeMetroViewerProcessHost::ChromeMetroViewerProcessHost()
  68     : MetroViewerProcessHost(
  69           content::BrowserThread::GetMessageLoopProxyForThread(
  70               content::BrowserThread::IO)) {
  71   g_browser_process->AddRefModule();
  72 }
  73
  74 void ChromeMetroViewerProcessHost::OnChannelError() {
  75   // TODO(cpu): At some point we only close the browser. Right now this
  76   // is very convenient for developing.
  77   DVLOG(1) << "viewer channel error : Quitting browser";
  78
  79   // Unset environment variable to let breakpad know that metro process wasn't
  80   // connected.
  81   ::SetEnvironmentVariableA(env_vars::kMetroConnected, NULL);
  82
  83   aura::RemoteWindowTreeHostWin::Instance()->Disconnected();
  84   g_browser_process->ReleaseModule();
  85
  86   // If browser is trying to quit, we shouldn't reenter the process.
  87   // TODO(shrikant): In general there seem to be issues with how AttemptExit
  88   // reentry works. In future release please clean up related code.
  89   if (!browser_shutdown::IsTryingToQuit()) {
  90     CloseOpenAshBrowsers();
  91     chrome::CloseAsh();
  92   }
  93   // Tell the rest of Chrome about it.
  94   content::NotificationService::current()->Notify(
  95       chrome::NOTIFICATION_ASH_SESSION_ENDED,
  96       content::NotificationService::AllSources(),
  97       content::NotificationService::NoDetails());
  98
  99   // This will delete the MetroViewerProcessHost object. Don't access member
 100   // variables/functions after this call.
 101   g_browser_process->platform_part()->OnMetroViewerProcessTerminated();
 102 }
 103
 104 void ChromeMetroViewerProcessHost::OnChannelConnected(int32 /*peer_pid*/) {
 105   DVLOG(1) << "ChromeMetroViewerProcessHost::OnChannelConnected: ";
 106   // Set environment variable to let breakpad know that metro process was
 107   // connected.
 108   ::SetEnvironmentVariableA(env_vars::kMetroConnected, "1");
 109
 110   if (!content::GpuDataManager::GetInstance()->GpuAccessAllowed(NULL)) {
 111     DVLOG(1) << "No GPU access, attempting to restart in Desktop\n";
 112     chrome::AttemptRestartToDesktopMode();
 113   }
 114 }
 115
 116 void ChromeMetroViewerProcessHost::OnSetTargetSurface(
 117     gfx::NativeViewId target_surface) {
 118   HWND hwnd = reinterpret_cast<HWND>(target_surface);
 119   // Make hwnd available as early as possible for proper InputMethod
 120   // initialization.
 121   aura::RemoteWindowTreeHostWin::Instance()->SetRemoteWindowHandle(hwnd);
 122
 123   // Now start the Ash shell environment.
 124   chrome::OpenAsh();
 125   ash::Shell::GetInstance()->CreateShelf();
 126   ash::Shell::GetInstance()->ShowShelf();
 127
 128   // Tell our root window host that the viewer has connected.
 129   aura::RemoteWindowTreeHostWin::Instance()->Connected(this);
 130
 131   // On Windows 8 ASH we default to SHOW_STATE_MAXIMIZED for the browser
 132   // window. This is to ensure that we honor metro app conventions by default.
 133   ash::WindowPositioner::SetMaximizeFirstWindow(true);
 134   // Tell the rest of Chrome that Ash is running.
 135   content::NotificationService::current()->Notify(
 136       chrome::NOTIFICATION_ASH_SESSION_STARTED,
 137       content::NotificationService::AllSources(),
 138       content::NotificationService::NoDetails());
 139 }
 140
 141 void ChromeMetroViewerProcessHost::OnOpenURL(const base::string16& url) {
 142   OpenURL(GURL(url));
 143 }
 144
 145 void ChromeMetroViewerProcessHost::OnHandleSearchRequest(
 146     const base::string16& search_string) {
 147   GURL url(GetDefaultSearchURLForSearchTerms(
 148       ProfileManager::GetActiveUserProfile(), search_string));
 149   if (url.is_valid())
 150     OpenURL(url);
 151 }
 152
 153 void ChromeMetroViewerProcessHost::OnWindowSizeChanged(uint32 width,
 154                                                        uint32 height) {
 155   std::vector<ash::internal::DisplayInfo> info_list;
 156   info_list.push_back(ash::internal::DisplayInfo::CreateFromSpec(
 157       base::StringPrintf("%dx%d", width, height)));
 158   ash::Shell::GetInstance()->display_manager()->OnNativeDisplaysChanged(
 159       info_list);
 160   aura::RemoteWindowTreeHostWin::Instance()->HandleWindowSizeChanged(width,
 161                                                                      height);
 162 }