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/host/ash_remote_window_tree_host_win.h"
  10 #include "ash/shell.h"
  11 #include "ash/wm/window_positioner.h"
  12 #include "base/logging.h"
  13 #include "base/memory/ref_counted.h"
  14 #include "base/strings/stringprintf.h"
  15 #include "chrome/browser/browser_process.h"
  16 #include "chrome/browser/browser_process_platform_part_aurawin.h"
  17 #include "chrome/browser/browser_shutdown.h"
  18 #include "chrome/browser/chrome_notification_types.h"
  19 #include "chrome/browser/lifetime/application_lifetime.h"
  20 #include "chrome/browser/profiles/profile_manager.h"
  21 #include "chrome/browser/search_engines/util.h"
  22 #include "chrome/browser/ui/ash/ash_init.h"
  23 #include "chrome/browser/ui/browser.h"
  24 #include "chrome/browser/ui/browser_list.h"
  25 #include "chrome/browser/ui/browser_navigator.h"
  26 #include "chrome/browser/ui/browser_window.h"
  27 #include "chrome/browser/ui/host_desktop.h"
  28 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  29 #include "chrome/common/env_vars.h"
  30 #include "content/public/browser/browser_thread.h"
  31 #include "content/public/browser/gpu_data_manager.h"
  32 #include "content/public/browser/notification_service.h"
  33 #include "content/public/browser/page_navigator.h"
  34 #include "content/public/browser/web_contents.h"
  35 #include "ui/aura/remote_window_tree_host_win.h"
  36 #include "ui/gfx/win/dpi.h"
  37 #include "url/gurl.h"
  38
  39 namespace {
  40
  41 void CloseOpenAshBrowsers() {
  42   BrowserList* browser_list =
  43       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
  44   if (browser_list) {
  45     for (BrowserList::const_iterator i = browser_list->begin();
  46          i != browser_list->end(); ++i) {
  47       Browser* browser = *i;
  48       browser->window()->Close();
  49       // If the attempt to Close the browser fails due to unload handlers on
  50       // the page or in progress downloads, etc, destroy all tabs on the page.
  51       while (browser->tab_strip_model()->count())
  52         delete browser->tab_strip_model()->GetWebContentsAt(0);
  53     }
  54   }
  55 }
  56
  57 void OpenURL(const GURL& url) {
  58   chrome::NavigateParams params(
  59       ProfileManager::GetActiveUserProfile(),
  60       GURL(url),
  61       content::PAGE_TRANSITION_TYPED);
  62   params.disposition = NEW_FOREGROUND_TAB;
  63   params.host_desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
  64   chrome::Navigate(&params);
  65 }
  66
  67 }  // namespace
  68
  69 ChromeMetroViewerProcessHost::ChromeMetroViewerProcessHost()
  70     : MetroViewerProcessHost(
  71           content::BrowserThread::GetMessageLoopProxyForThread(
  72               content::BrowserThread::IO)) {
  73   chrome::IncrementKeepAliveCount();
  74 }
  75
  76 void ChromeMetroViewerProcessHost::OnChannelError() {
  77   // TODO(cpu): At some point we only close the browser. Right now this
  78   // is very convenient for developing.
  79   DVLOG(1) << "viewer channel error : Quitting browser";
  80
  81   // Unset environment variable to let breakpad know that metro process wasn't
  82   // connected.
  83   ::SetEnvironmentVariableA(env_vars::kMetroConnected, NULL);
  84
  85   aura::RemoteWindowTreeHostWin::Instance()->Disconnected();
  86   chrome::DecrementKeepAliveCount();
  87
  88   // If browser is trying to quit, we shouldn't reenter the process.
  89   // TODO(shrikant): In general there seem to be issues with how AttemptExit
  90   // reentry works. In future release please clean up related code.
  91   if (!browser_shutdown::IsTryingToQuit()) {
  92     CloseOpenAshBrowsers();
  93     chrome::CloseAsh();
  94   }
  95   // Tell the rest of Chrome about it.
  96   content::NotificationService::current()->Notify(
  97       chrome::NOTIFICATION_ASH_SESSION_ENDED,
  98       content::NotificationService::AllSources(),
  99       content::NotificationService::NoDetails());
 100
 101   // This will delete the MetroViewerProcessHost object. Don't access member
 102   // variables/functions after this call.
 103   g_browser_process->platform_part()->OnMetroViewerProcessTerminated();
 104 }
 105
 106 void ChromeMetroViewerProcessHost::OnChannelConnected(int32 /*peer_pid*/) {
 107   DVLOG(1) << "ChromeMetroViewerProcessHost::OnChannelConnected: ";
 108   // Set environment variable to let breakpad know that metro process was
 109   // connected.
 110   ::SetEnvironmentVariableA(env_vars::kMetroConnected, "1");
 111
 112   if (!content::GpuDataManager::GetInstance()->GpuAccessAllowed(NULL)) {
 113     DVLOG(1) << "No GPU access, attempting to restart in Desktop\n";
 114     chrome::AttemptRestartToDesktopMode();
 115   }
 116 }
 117
 118 void ChromeMetroViewerProcessHost::OnSetTargetSurface(
 119     gfx::NativeViewId target_surface,
 120     float device_scale) {
 121   HWND hwnd = reinterpret_cast<HWND>(target_surface);
 122
 123   gfx::InitDeviceScaleFactor(device_scale);
 124   chrome::OpenAsh(hwnd);
 125   DCHECK(aura::RemoteWindowTreeHostWin::Instance());
 126   DCHECK_EQ(hwnd, aura::RemoteWindowTreeHostWin::Instance()->remote_window());
 127   ash::Shell::GetInstance()->CreateShelf();
 128   ash::Shell::GetInstance()->ShowShelf();
 129
 130   // Tell our root window host that the viewer has connected.
 131   aura::RemoteWindowTreeHostWin::Instance()->Connected(this);
 132
 133   // On Windows 8 ASH we default to SHOW_STATE_MAXIMIZED for the browser
 134   // window. This is to ensure that we honor metro app conventions by default.
 135   ash::WindowPositioner::SetMaximizeFirstWindow(true);
 136   // Tell the rest of Chrome that Ash is running.
 137   content::NotificationService::current()->Notify(
 138       chrome::NOTIFICATION_ASH_SESSION_STARTED,
 139       content::NotificationService::AllSources(),
 140       content::NotificationService::NoDetails());
 141 }
 142
 143 void ChromeMetroViewerProcessHost::OnOpenURL(const base::string16& url) {
 144   OpenURL(GURL(url));
 145 }
 146
 147 void ChromeMetroViewerProcessHost::OnHandleSearchRequest(
 148     const base::string16& search_string) {
 149   GURL url(GetDefaultSearchURLForSearchTerms(
 150       ProfileManager::GetActiveUserProfile(), search_string));
 151   if (url.is_valid())
 152     OpenURL(url);
 153 }
 154
 155 void ChromeMetroViewerProcessHost::OnWindowSizeChanged(uint32 width,
 156                                                        uint32 height) {
 157   std::vector<ash::DisplayInfo> info_list;
 158   info_list.push_back(ash::DisplayInfo::CreateFromSpec(
 159       base::StringPrintf("%dx%d*%f", width, height, gfx::GetDPIScale())));
 160   ash::Shell::GetInstance()->display_manager()->OnNativeDisplaysChanged(
 161       info_list);
 162   aura::RemoteWindowTreeHostWin::Instance()->HandleWindowSizeChanged(width,
 163                                                                      height);
 164 }