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/template_url_service_factory.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 "components/search_engines/util.h"
  31 #include "content/public/browser/browser_thread.h"
  32 #include "content/public/browser/gpu_data_manager.h"
  33 #include "content/public/browser/notification_service.h"
  34 #include "content/public/browser/page_navigator.h"
  35 #include "content/public/browser/web_contents.h"
  36 #include "ui/aura/remote_window_tree_host_win.h"
  37 #include "ui/gfx/win/dpi.h"
  38 #include "ui/metro_viewer/metro_viewer_messages.h"
  39 #include "url/gurl.h"
  40
  41 namespace {
  42
  43 void CloseOpenAshBrowsers() {
  44   BrowserList* browser_list =
  45       BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
  46   if (browser_list) {
  47     for (BrowserList::const_iterator i = browser_list->begin();
  48          i != browser_list->end(); ++i) {
  49       Browser* browser = *i;
  50       browser->window()->Close();
  51       // If the attempt to Close the browser fails due to unload handlers on
  52       // the page or in progress downloads, etc, destroy all tabs on the page.
  53       while (browser->tab_strip_model()->count())
  54         delete browser->tab_strip_model()->GetWebContentsAt(0);
  55     }
  56   }
  57 }
  58
  59 void OpenURL(const GURL& url) {
  60   chrome::NavigateParams params(
  61       ProfileManager::GetActiveUserProfile(),
  62       GURL(url),
  63       ui::PAGE_TRANSITION_TYPED);
  64   params.disposition = NEW_FOREGROUND_TAB;
  65   params.host_desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
  66   chrome::Navigate(&params);
  67 }
  68
  69 }  // namespace
  70
  71 ChromeMetroViewerProcessHost::ChromeMetroViewerProcessHost()
  72     : MetroViewerProcessHost(
  73           content::BrowserThread::GetMessageLoopProxyForThread(
  74               content::BrowserThread::IO)) {
  75   chrome::IncrementKeepAliveCount();
  76 }
  77
  78 ChromeMetroViewerProcessHost::~ChromeMetroViewerProcessHost() {
  79 }
  80
  81 void ChromeMetroViewerProcessHost::OnChannelError() {
  82   // TODO(cpu): At some point we only close the browser. Right now this
  83   // is very convenient for developing.
  84   DVLOG(1) << "viewer channel error : Quitting browser";
  85
  86   // Unset environment variable to let breakpad know that metro process wasn't
  87   // connected.
  88   ::SetEnvironmentVariableA(env_vars::kMetroConnected, NULL);
  89
  90   // It seems possible that channel is connected, but ASH desktop is not yet
  91   // created (instance is still NULL) and we receive channel error.
  92   if (aura::RemoteWindowTreeHostWin::Instance()) {
  93     aura::RemoteWindowTreeHostWin::Instance()->Disconnected();
  94
  95     chrome::DecrementKeepAliveCount();
  96
  97     // If browser is trying to quit, we shouldn't reenter the process.
  98     // TODO(shrikant): In general there seem to be issues with how AttemptExit
  99     // reentry works. In future release please clean up related code.
 100     if (!browser_shutdown::IsTryingToQuit()) {
 101       CloseOpenAshBrowsers();
 102       chrome::CloseAsh();
 103     }
 104     // Tell the rest of Chrome about it.
 105     content::NotificationService::current()->Notify(
 106         chrome::NOTIFICATION_ASH_SESSION_ENDED,
 107         content::NotificationService::AllSources(),
 108         content::NotificationService::NoDetails());
 109     return;
 110   }
 111
 112   chrome::DecrementKeepAliveCount();
 113
 114   // This will delete the MetroViewerProcessHost object. Don't access member
 115   // variables/functions after this call.
 116   g_browser_process->platform_part()->OnMetroViewerProcessTerminated();
 117 }
 118
 119 void ChromeMetroViewerProcessHost::OnChannelConnected(int32 /*peer_pid*/) {
 120   DVLOG(1) << "ChromeMetroViewerProcessHost::OnChannelConnected: ";
 121   // Set environment variable to let breakpad know that metro process was
 122   // connected.
 123   ::SetEnvironmentVariableA(env_vars::kMetroConnected, "1");
 124
 125   if (!content::GpuDataManager::GetInstance()->GpuAccessAllowed(NULL)) {
 126     DVLOG(1) << "No GPU access, attempting to restart in Desktop\n";
 127     chrome::AttemptRestartToDesktopMode();
 128   }
 129 }
 130
 131 void ChromeMetroViewerProcessHost::OnSetTargetSurface(
 132     gfx::NativeViewId target_surface,
 133     float device_scale) {
 134   HWND hwnd = reinterpret_cast<HWND>(target_surface);
 135
 136   gfx::InitDeviceScaleFactor(device_scale);
 137   chrome::OpenAsh(hwnd);
 138   DCHECK(aura::RemoteWindowTreeHostWin::Instance());
 139   DCHECK_EQ(hwnd, aura::RemoteWindowTreeHostWin::Instance()->remote_window());
 140   ash::Shell::GetInstance()->CreateShelf();
 141   ash::Shell::GetInstance()->ShowShelf();
 142
 143   // Tell our root window host that the viewer has connected.
 144   aura::RemoteWindowTreeHostWin::Instance()->Connected(this);
 145
 146   // On Windows 8 ASH we default to SHOW_STATE_MAXIMIZED for the browser
 147   // window. This is to ensure that we honor metro app conventions by default.
 148   ash::WindowPositioner::SetMaximizeFirstWindow(true);
 149   // Tell the rest of Chrome that Ash is running.
 150   content::NotificationService::current()->Notify(
 151       chrome::NOTIFICATION_ASH_SESSION_STARTED,
 152       content::NotificationService::AllSources(),
 153       content::NotificationService::NoDetails());
 154 }
 155
 156 void ChromeMetroViewerProcessHost::OnOpenURL(const base::string16& url) {
 157   OpenURL(GURL(url));
 158 }
 159
 160 void ChromeMetroViewerProcessHost::OnHandleSearchRequest(
 161     const base::string16& search_string) {
 162   GURL url(GetDefaultSearchURLForSearchTerms(
 163       TemplateURLServiceFactory::GetForProfile(
 164           ProfileManager::GetActiveUserProfile()), search_string));
 165   if (url.is_valid())
 166     OpenURL(url);
 167 }
 168
 169 void ChromeMetroViewerProcessHost::OnWindowSizeChanged(uint32 width,
 170                                                        uint32 height) {
 171   std::vector<ash::DisplayInfo> info_list;
 172   info_list.push_back(ash::DisplayInfo::CreateFromSpec(
 173       base::StringPrintf("%dx%d*%f", width, height, gfx::GetDPIScale())));
 174   ash::Shell::GetInstance()->display_manager()->OnNativeDisplaysChanged(
 175       info_list);
 176   aura::RemoteWindowTreeHostWin::Instance()->HandleWindowSizeChanged(width,
 177                                                                      height);
 178 }