widget/windows/winrt/MetroApp.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/widget/windows/winrt/MetroApp.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,282 @@
     1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#include "MetroApp.h"
    1.10 +#include "MetroWidget.h"
    1.11 +#include "mozilla/IOInterposer.h"
    1.12 +#include "mozilla/widget/AudioSession.h"
    1.13 +#include "nsIRunnable.h"
    1.14 +#include "MetroUtils.h"
    1.15 +#include "MetroAppShell.h"
    1.16 +#include "nsICommandLineRunner.h"
    1.17 +#include "FrameworkView.h"
    1.18 +#include "nsAppDirectoryServiceDefs.h"
    1.19 +#include "GeckoProfiler.h"
    1.20 +#include <shellapi.h>
    1.21 +
    1.22 +using namespace ABI::Windows::ApplicationModel;
    1.23 +using namespace ABI::Windows::ApplicationModel::Core;
    1.24 +using namespace ABI::Windows::UI::Core;
    1.25 +using namespace ABI::Windows::System;
    1.26 +using namespace ABI::Windows::Foundation;
    1.27 +using namespace Microsoft::WRL;
    1.28 +using namespace Microsoft::WRL::Wrappers;
    1.29 +using namespace mozilla::widget;
    1.30 +
    1.31 +// Metro specific XRE methods we call from here on an
    1.32 +// appropriate thread.
    1.33 +extern nsresult XRE_metroStartup(bool runXREMain);
    1.34 +extern void XRE_metroShutdown();
    1.35 +
    1.36 +static const char* gGeckoThreadName = "GeckoMain";
    1.37 +
    1.38 +#ifdef PR_LOGGING
    1.39 +extern PRLogModuleInfo* gWindowsLog;
    1.40 +#endif
    1.41 +
    1.42 +namespace mozilla {
    1.43 +namespace widget {
    1.44 +namespace winrt {
    1.45 +
    1.46 +ComPtr<FrameworkView> sFrameworkView;
    1.47 +ComPtr<MetroApp> sMetroApp;
    1.48 +ComPtr<ICoreApplication> sCoreApp;
    1.49 +bool MetroApp::sGeckoShuttingDown = false;
    1.50 +
    1.51 +////////////////////////////////////////////////////
    1.52 +// IFrameworkViewSource impl.
    1.53 +
    1.54 +// Called after CoreApplication::Run(app)
    1.55 +HRESULT
    1.56 +MetroApp::CreateView(ABI::Windows::ApplicationModel::Core::IFrameworkView **aViewProvider)
    1.57 +{
    1.58 +  // This entry point is called on the metro main thread, but the thread won't
    1.59 +  // be recognized as such until after Run() is called below. XPCOM has not
    1.60 +  // gone through startup at this point.
    1.61 +
    1.62 +  // Note that we create the view which creates our native window for us. The
    1.63 +  // gecko widget gets created by gecko, and the two get hooked up later in
    1.64 +  // MetroWidget::Create().
    1.65 +
    1.66 +  LogFunction();
    1.67 +
    1.68 +  sFrameworkView = Make<FrameworkView>(this);
    1.69 +  sFrameworkView.Get()->AddRef();
    1.70 +  *aViewProvider = sFrameworkView.Get();
    1.71 +  return !sFrameworkView ? E_FAIL : S_OK;
    1.72 +}
    1.73 +
    1.74 +////////////////////////////////////////////////////
    1.75 +// MetroApp impl.
    1.76 +
    1.77 +void
    1.78 +MetroApp::Run()
    1.79 +{
    1.80 +  LogThread();
    1.81 +
    1.82 +  // Name this thread for debugging and register it with the profiler
    1.83 +  // and IOInterposer as the main gecko thread.
    1.84 +  char aLocal;
    1.85 +  PR_SetCurrentThreadName(gGeckoThreadName);
    1.86 +  profiler_register_thread(gGeckoThreadName, &aLocal);
    1.87 +  IOInterposer::RegisterCurrentThread(true);
    1.88 +
    1.89 +  HRESULT hr;
    1.90 +  hr = sCoreApp->add_Suspending(Callback<__FIEventHandler_1_Windows__CApplicationModel__CSuspendingEventArgs_t>(
    1.91 +    this, &MetroApp::OnSuspending).Get(), &mSuspendEvent);
    1.92 +  AssertHRESULT(hr);
    1.93 +
    1.94 +  hr = sCoreApp->add_Resuming(Callback<__FIEventHandler_1_IInspectable_t>(
    1.95 +    this, &MetroApp::OnResuming).Get(), &mResumeEvent);
    1.96 +  AssertHRESULT(hr);
    1.97 +
    1.98 +  WinUtils::Log("Calling XRE_metroStartup.");
    1.99 +  nsresult rv = XRE_metroStartup(true);
   1.100 +  WinUtils::Log("Exiting XRE_metroStartup.");
   1.101 +  if (NS_FAILED(rv)) {
   1.102 +    WinUtils::Log("XPCOM startup initialization failed, bailing. rv=%X", rv);
   1.103 +    CoreExit();
   1.104 +  }
   1.105 +}
   1.106 +
   1.107 +// Free all xpcom related resources before calling the xre shutdown call.
   1.108 +// Must be called on the metro main thread. Currently called from appshell.
   1.109 +void
   1.110 +MetroApp::Shutdown()
   1.111 +{
   1.112 +  LogThread();
   1.113 +
   1.114 +  if (sCoreApp) {
   1.115 +    sCoreApp->remove_Suspending(mSuspendEvent);
   1.116 +    sCoreApp->remove_Resuming(mResumeEvent);
   1.117 +  }
   1.118 +
   1.119 +  if (sFrameworkView) {
   1.120 +    sFrameworkView->Shutdown();
   1.121 +  }
   1.122 +
   1.123 +  MetroApp::sGeckoShuttingDown = true;
   1.124 +
   1.125 +  // Shut down xpcom
   1.126 +  XRE_metroShutdown();
   1.127 +
   1.128 +  // Unhook this thread from the profiler
   1.129 +  profiler_unregister_thread();
   1.130 +}
   1.131 +
   1.132 +// Request a shutdown of the application
   1.133 +void
   1.134 +MetroApp::CoreExit()
   1.135 +{
   1.136 +  LogFunction();
   1.137 +  HRESULT hr;
   1.138 +  ComPtr<ICoreApplicationExit> coreExit;
   1.139 +  HStringReference className(RuntimeClass_Windows_ApplicationModel_Core_CoreApplication);
   1.140 +  hr = GetActivationFactory(className.Get(), coreExit.GetAddressOf());
   1.141 +  NS_ASSERTION(SUCCEEDED(hr), "Activation of ICoreApplicationExit");
   1.142 +  if (SUCCEEDED(hr)) {
   1.143 +    coreExit->Exit();
   1.144 +  }
   1.145 +}
   1.146 +
   1.147 +void
   1.148 +MetroApp::ActivateBaseView()
   1.149 +{
   1.150 +  if (sFrameworkView) {
   1.151 +    sFrameworkView->ActivateView();
   1.152 +  }
   1.153 +}
   1.154 +
   1.155 +/*
   1.156 + * TBD: when we support multiple widgets, we'll need a way to sync up the view
   1.157 + * created in CreateView with the widget gecko creates. Currently we only have
   1.158 + * one view (sFrameworkView) and one main widget.
   1.159 + */
   1.160 +void
   1.161 +MetroApp::SetWidget(MetroWidget* aPtr)
   1.162 +{
   1.163 +  LogThread();
   1.164 +
   1.165 +  NS_ASSERTION(aPtr, "setting null base widget?");
   1.166 +
   1.167 +  // Both of these calls AddRef the ptr we pass in
   1.168 +  aPtr->SetView(sFrameworkView.Get());
   1.169 +  sFrameworkView->SetWidget(aPtr);
   1.170 +}
   1.171 +
   1.172 +////////////////////////////////////////////////////
   1.173 +// MetroApp events
   1.174 +
   1.175 +HRESULT
   1.176 +MetroApp::OnSuspending(IInspectable* aSender, ISuspendingEventArgs* aArgs)
   1.177 +{
   1.178 +  LogThread();
   1.179 +  PostSuspendResumeProcessNotification(true);
   1.180 +  return S_OK;
   1.181 +}
   1.182 +
   1.183 +HRESULT
   1.184 +MetroApp::OnResuming(IInspectable* aSender, IInspectable* aArgs)
   1.185 +{
   1.186 +  LogThread();
   1.187 +  PostSuspendResumeProcessNotification(false);
   1.188 +  return S_OK;
   1.189 +}
   1.190 +
   1.191 +HRESULT
   1.192 +MetroApp::OnAsyncTileCreated(ABI::Windows::Foundation::IAsyncOperation<bool>* aOperation,
   1.193 +                             AsyncStatus aStatus)
   1.194 +{
   1.195 +  WinUtils::Log("Async operation status: %d", aStatus);
   1.196 +  MetroUtils::FireObserver("metro_on_async_tile_created");
   1.197 +  return S_OK;
   1.198 +}
   1.199 +
   1.200 +// static
   1.201 +void
   1.202 +MetroApp::PostSuspendResumeProcessNotification(const bool aIsSuspend)
   1.203 +{
   1.204 +  static bool isSuspend = false;
   1.205 +  if (isSuspend == aIsSuspend) {
   1.206 +    return;
   1.207 +  }
   1.208 +  isSuspend = aIsSuspend;
   1.209 +  MetroUtils::FireObserver(aIsSuspend ? "suspend_process_notification" :
   1.210 +                                        "resume_process_notification");
   1.211 +}
   1.212 +
   1.213 +// static
   1.214 +void
   1.215 +MetroApp::PostSleepWakeNotification(const bool aIsSleep)
   1.216 +{
   1.217 +  static bool isSleep = false;
   1.218 +  if (isSleep == aIsSleep) {
   1.219 +    return;
   1.220 +  }
   1.221 +  isSleep = aIsSleep;
   1.222 +  MetroUtils::FireObserver(aIsSleep ? "sleep_notification" :
   1.223 +                                      "wake_notification");
   1.224 +}
   1.225 +
   1.226 +} } }
   1.227 +
   1.228 +
   1.229 +static bool
   1.230 +IsBackgroundSessionClosedStartup()
   1.231 +{
   1.232 +  int argc;
   1.233 +  LPWSTR *argv = CommandLineToArgvW(GetCommandLineW(), &argc);
   1.234 +  bool backgroundSessionClosed = argc > 1 && !wcsicmp(argv[1], L"-BackgroundSessionClosed");
   1.235 +  LocalFree(argv);
   1.236 +  return backgroundSessionClosed;
   1.237 +}
   1.238 +
   1.239 +bool
   1.240 +XRE_MetroCoreApplicationRun()
   1.241 +{
   1.242 +  HRESULT hr;
   1.243 +  LogThread();
   1.244 +
   1.245 +  using namespace mozilla::widget::winrt;
   1.246 +
   1.247 +  sMetroApp = Make<MetroApp>();
   1.248 +
   1.249 +  HStringReference className(RuntimeClass_Windows_ApplicationModel_Core_CoreApplication);
   1.250 +  hr = GetActivationFactory(className.Get(), sCoreApp.GetAddressOf());
   1.251 +  if (FAILED(hr)) {
   1.252 +    LogHRESULT(hr);
   1.253 +    return false;
   1.254 +  }
   1.255 +
   1.256 +  // Perform any cleanup for unclean shutdowns here, such as when the background session
   1.257 +  // is closed via the appbar on the left when outside of Metro.  Windows restarts the
   1.258 +  // process solely for cleanup reasons.
   1.259 +  if (IsBackgroundSessionClosedStartup() && SUCCEEDED(XRE_metroStartup(false))) {
   1.260 +
   1.261 +    // Whether or  not to use sessionstore depends on if the bak exists.  Since host process
   1.262 +    // shutdown isn't a crash we shouldn't restore sessionstore.
   1.263 +    nsCOMPtr<nsIFile> sessionBAK;
   1.264 +    if (NS_FAILED(NS_GetSpecialDirectory("ProfDS", getter_AddRefs(sessionBAK)))) {
   1.265 +      return false;
   1.266 +    }
   1.267 +
   1.268 +    sessionBAK->AppendNative(nsDependentCString("sessionstore.bak"));
   1.269 +    bool exists;
   1.270 +    if (NS_SUCCEEDED(sessionBAK->Exists(&exists)) && exists) {
   1.271 +      sessionBAK->Remove(false);
   1.272 +    }
   1.273 +    return false;
   1.274 +  }
   1.275 +
   1.276 +  hr = sCoreApp->Run(sMetroApp.Get());
   1.277 +
   1.278 +  WinUtils::Log("Exiting CoreApplication::Run");
   1.279 +
   1.280 +  sCoreApp = nullptr;
   1.281 +  sMetroApp = nullptr;
   1.282 +
   1.283 +  return true;
   1.284 +}
   1.285 +

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