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// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/metro_viewer/chrome_metro_viewer_process_host_aurawin.h"
#include "ash/display/display_info.h"
#include "ash/display/display_manager.h"
#include "ash/host/ash_remote_window_tree_host_win.h"
#include "ash/shell.h"
#include "ash/wm/window_positioner.h"
#include "base/logging.h"
#include "base/memory/ref_counted.h"
#include "base/strings/stringprintf.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/browser_process_platform_part_aurawin.h"
#include "chrome/browser/browser_shutdown.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/search_engines/template_url_service_factory.h"
#include "chrome/browser/ui/ash/ash_init.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_list.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "chrome/browser/ui/browser_navigator_params.h"
#include "chrome/browser/ui/browser_window.h"
#include "chrome/browser/ui/host_desktop.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/env_vars.h"
#include "components/search_engines/util.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/gpu_data_manager.h"
#include "content/public/browser/notification_service.h"
#include "content/public/browser/page_navigator.h"
#include "content/public/browser/web_contents.h"
#include "ui/aura/remote_window_tree_host_win.h"
#include "ui/gfx/win/dpi.h"
#include "ui/metro_viewer/metro_viewer_messages.h"
#include "url/gurl.h"
namespace {
void CloseOpenAshBrowsers() {
BrowserList* browser_list =
BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_ASH);
if (browser_list) {
for (BrowserList::const_iterator i = browser_list->begin();
i != browser_list->end(); ++i) {
Browser* browser = *i;
browser->window()->Close();
// If the attempt to Close the browser fails due to unload handlers on
// the page or in progress downloads, etc, destroy all tabs on the page.
while (browser->tab_strip_model()->count())
delete browser->tab_strip_model()->GetWebContentsAt(0);
}
}
}
void OpenURL(const GURL& url) {
chrome::NavigateParams params(
ProfileManager::GetActiveUserProfile(),
GURL(url),
ui::PAGE_TRANSITION_TYPED);
params.disposition = NEW_FOREGROUND_TAB;
params.host_desktop_type = chrome::HOST_DESKTOP_TYPE_ASH;
chrome::Navigate(¶ms);
}
} // namespace
ChromeMetroViewerProcessHost::ChromeMetroViewerProcessHost()
: MetroViewerProcessHost(
content::BrowserThread::GetMessageLoopProxyForThread(
content::BrowserThread::IO)) {
chrome::IncrementKeepAliveCount();
}
ChromeMetroViewerProcessHost::~ChromeMetroViewerProcessHost() {
}
void ChromeMetroViewerProcessHost::OnChannelError() {
// TODO(cpu): At some point we only close the browser. Right now this
// is very convenient for developing.
DVLOG(1) << "viewer channel error : Quitting browser";
// Unset environment variable to let breakpad know that metro process wasn't
// connected.
::SetEnvironmentVariableA(env_vars::kMetroConnected, NULL);
// It seems possible that channel is connected, but ASH desktop is not yet
// created (instance is still NULL) and we receive channel error.
if (aura::RemoteWindowTreeHostWin::Instance()) {
aura::RemoteWindowTreeHostWin::Instance()->Disconnected();
chrome::DecrementKeepAliveCount();
// If browser is trying to quit, we shouldn't reenter the process.
// TODO(shrikant): In general there seem to be issues with how AttemptExit
// reentry works. In future release please clean up related code.
if (!browser_shutdown::IsTryingToQuit()) {
CloseOpenAshBrowsers();
chrome::CloseAsh();
}
// Tell the rest of Chrome about it.
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_ASH_SESSION_ENDED,
content::NotificationService::AllSources(),
content::NotificationService::NoDetails());
return;
}
chrome::DecrementKeepAliveCount();
// This will delete the MetroViewerProcessHost object. Don't access member
// variables/functions after this call.
g_browser_process->platform_part()->OnMetroViewerProcessTerminated();
}
void ChromeMetroViewerProcessHost::OnChannelConnected(int32_t /*peer_pid*/) {
DVLOG(1) << "ChromeMetroViewerProcessHost::OnChannelConnected: ";
// Set environment variable to let breakpad know that metro process was
// connected.
::SetEnvironmentVariableA(env_vars::kMetroConnected, "1");
if (!content::GpuDataManager::GetInstance()->GpuAccessAllowed(NULL)) {
DVLOG(1) << "No GPU access, attempting to restart in Desktop\n";
chrome::AttemptRestartToDesktopMode();
}
}
void ChromeMetroViewerProcessHost::OnSetTargetSurface(
gfx::NativeViewId target_surface,
float device_scale) {
HWND hwnd = reinterpret_cast<HWND>(target_surface);
gfx::SetDefaultDeviceScaleFactor(device_scale);
chrome::OpenAsh(hwnd);
DCHECK(aura::RemoteWindowTreeHostWin::Instance());
DCHECK_EQ(hwnd, aura::RemoteWindowTreeHostWin::Instance()->remote_window());
ash::Shell::GetInstance()->CreateShelf();
ash::Shell::GetInstance()->ShowShelf();
// Tell our root window host that the viewer has connected.
aura::RemoteWindowTreeHostWin::Instance()->Connected(this);
// On Windows 8 ASH we default to SHOW_STATE_MAXIMIZED for the browser
// window. This is to ensure that we honor metro app conventions by default.
ash::WindowPositioner::SetMaximizeFirstWindow(true);
// Tell the rest of Chrome that Ash is running.
content::NotificationService::current()->Notify(
chrome::NOTIFICATION_ASH_SESSION_STARTED,
content::NotificationService::AllSources(),
content::NotificationService::NoDetails());
}
void ChromeMetroViewerProcessHost::OnOpenURL(const base::string16& url) {
OpenURL(GURL(url));
}
void ChromeMetroViewerProcessHost::OnHandleSearchRequest(
const base::string16& search_string) {
GURL url(GetDefaultSearchURLForSearchTerms(
TemplateURLServiceFactory::GetForProfile(
ProfileManager::GetActiveUserProfile()), search_string));
if (url.is_valid())
OpenURL(url);
}
void ChromeMetroViewerProcessHost::OnWindowSizeChanged(uint32_t width,
uint32_t height) {
std::vector<ash::DisplayInfo> info_list;
info_list.push_back(ash::DisplayInfo::CreateFromSpec(
base::StringPrintf("%dx%d*%f", width, height, gfx::GetDPIScale())));
ash::Shell::GetInstance()->display_manager()->OnNativeDisplaysChanged(
info_list);
aura::RemoteWindowTreeHostWin::Instance()->HandleWindowSizeChanged(width,
height);
}
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