| // Copyright (c) 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/ui/views/hung_renderer_view_win.h" |
| |
| #include "base/win/metro.h" |
| #include "chrome/browser/hang_monitor/hang_crash_dump_win.h" |
| #include "chrome/browser/ui/views/hung_renderer_view.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "grit/generated_resources.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "win8/util/win8_util.h" |
| |
| // Metro functions for displaying and dismissing a dialog box. |
| typedef void (*MetroShowDialogBox)( |
| const wchar_t* title, |
| const wchar_t* content, |
| const wchar_t* button1_label, |
| const wchar_t* button2_label, |
| base::win::MetroDialogButtonPressedHandler button1_handler, |
| base::win::MetroDialogButtonPressedHandler button2_handler); |
| |
| typedef void (*MetroDismissDialogBox)(); |
| |
| using content::BrowserThread; |
| using content::WebContents; |
| |
| HungRendererDialogMetro* HungRendererDialogMetro::g_instance_ = NULL; |
| |
| bool PlatformShowCustomHungRendererDialog(WebContents* contents) { |
| if (!win8::IsSingleWindowMetroMode()) |
| return false; |
| |
| HungRendererDialogMetro::Create()->Show(contents); |
| return true; |
| } |
| |
| bool PlatformHideCustomHungRendererDialog(WebContents* contents) { |
| if (!win8::IsSingleWindowMetroMode()) |
| return false; |
| |
| if (HungRendererDialogMetro::GetInstance()) |
| HungRendererDialogMetro::GetInstance()->Hide(contents); |
| return true; |
| } |
| |
| // static |
| void HungRendererDialogView::KillRendererProcess( |
| base::ProcessHandle process_handle) { |
| // Try to generate a crash report for the hung process. |
| CrashDumpAndTerminateHungChildProcess(process_handle); |
| } |
| |
| // static |
| HungRendererDialogMetro* HungRendererDialogMetro::Create() { |
| if (!GetInstance()) |
| g_instance_ = new HungRendererDialogMetro; |
| return g_instance_; |
| } |
| |
| // static |
| HungRendererDialogMetro* HungRendererDialogMetro::GetInstance() { |
| return g_instance_; |
| } |
| |
| HungRendererDialogMetro::HungRendererDialogMetro() |
| : contents_(NULL), |
| metro_dialog_displayed_(false) { |
| } |
| |
| HungRendererDialogMetro::~HungRendererDialogMetro() { |
| g_instance_ = NULL; |
| } |
| |
| void HungRendererDialogMetro::Show(WebContents* contents) { |
| if (!metro_dialog_displayed_ && |
| HungRendererDialogView::IsFrameActive(contents)) { |
| HMODULE metro_dll = base::win::GetMetroModule(); |
| DCHECK(metro_dll); |
| if (metro_dll) { |
| MetroShowDialogBox show_dialog_box = reinterpret_cast<MetroShowDialogBox> |
| (::GetProcAddress(metro_dll, "ShowDialogBox")); |
| DCHECK(show_dialog_box); |
| if (show_dialog_box) { |
| string16 dialog_box_title = |
| l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_TITLE); |
| |
| string16 kill_button_label = |
| l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_END); |
| |
| string16 wait_button_label = |
| l10n_util::GetStringUTF16(IDS_BROWSER_HANGMONITOR_RENDERER_WAIT); |
| |
| contents_ = contents; |
| metro_dialog_displayed_ = true; |
| |
| (*show_dialog_box)(dialog_box_title.c_str(), |
| contents->GetTitle().c_str(), |
| kill_button_label.c_str(), |
| wait_button_label.c_str(), |
| HungRendererDialogMetro::OnMetroKillProcess, |
| HungRendererDialogMetro::OnMetroWait); |
| } |
| } |
| } |
| } |
| |
| void HungRendererDialogMetro::Hide(WebContents* contents) { |
| HMODULE metro_dll = base::win::GetMetroModule(); |
| DCHECK(metro_dll); |
| if (metro_dll) { |
| MetroDismissDialogBox dismiss_dialog_box = |
| reinterpret_cast<MetroDismissDialogBox> |
| (::GetProcAddress(metro_dll, "DismissDialogBox")); |
| DCHECK(dismiss_dialog_box); |
| if (dismiss_dialog_box) { |
| (*dismiss_dialog_box)(); |
| ResetMetroState(); |
| } |
| } |
| } |
| |
| void HungRendererDialogMetro::ResetMetroState() { |
| metro_dialog_displayed_ = false; |
| contents_ = NULL; |
| delete g_instance_; |
| } |
| |
| // static |
| void HungRendererDialogMetro::OnMetroKillProcess() { |
| // Metro chrome will invoke these handlers on the metro thread. Ensure that |
| // we switch to the UI thread. |
| if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { |
| BrowserThread::PostTask( |
| BrowserThread::UI, FROM_HERE, |
| base::Bind(HungRendererDialogMetro::OnMetroKillProcess)); |
| return; |
| } |
| |
| // Its possible that we got deleted in the meantime. |
| if (!GetInstance()) |
| return; |
| |
| DCHECK(GetInstance()->contents_); |
| |
| HungRendererDialogView::KillRendererProcess( |
| GetInstance()->contents_->GetRenderProcessHost()->GetHandle()); |
| |
| // The metro dialog box is dismissed when the button handlers are invoked. |
| GetInstance()->ResetMetroState(); |
| } |
| |
| // static |
| void HungRendererDialogMetro::OnMetroWait() { |
| // Metro chrome will invoke these handlers on the metro thread. Ensure that |
| // we switch to the UI thread. |
| if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { |
| BrowserThread::PostTask( |
| BrowserThread::UI, FROM_HERE, |
| base::Bind(HungRendererDialogMetro::OnMetroWait)); |
| return; |
| } |
| |
| // Its possible that we got deleted in the meantime. |
| if (!GetInstance()) |
| return; |
| |
| GetInstance()->ResetMetroState(); |
| } |