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AppWindow.cpp.bak
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1403 lines (1290 loc) · 46.3 KB
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// Copyright (C) Microsoft Corporation. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "stdafx.h"
#include "AppWindow.h"
#include <DispatcherQueue.h>
#include <functional>
#include <regex>
#include <string>
#include <vector>
#include <ShObjIdl_core.h>
#include <Shellapi.h>
#include <ShlObj_core.h>
#include <winrt/windows.system.h>
#include "App.h"
#include "AppStartPage.h"
#include "CheckFailure.h"
#include "ControlComponent.h"
#include "DpiUtil.h"
#include "FileComponent.h"
#include "ProcessComponent.h"
#include "Resource.h"
#include "ScenarioAddHostObject.h"
#include "ScenarioAuthentication.h"
#include "ScenarioCookieManagement.h"
#include "ScenarioDOMContentLoaded.h"
#include "ScenarioNavigateWithWebResourceRequest.h"
#include "ScenarioWebMessage.h"
#include "ScenarioWebViewEventMonitor.h"
#include "ScriptComponent.h"
#include "SettingsComponent.h"
#include "TextInputDialog.h"
#include "ViewComponent.h"
using namespace Microsoft::WRL;
static constexpr size_t s_maxLoadString = 100;
static constexpr UINT s_runAsyncWindowMessage = WM_APP;
static thread_local size_t s_appInstances = 0;
// The minimum height and width for Window Features.
// See https://developer.mozilla.org/docs/Web/API/Window/open#Size
sta
10BC0
tic constexpr int s_minNewWindowSize = 100;
// Run Download and Install in another thread so we don't block the UI thread
DWORD WINAPI DownloadAndInstallWV2RT(_In_ LPVOID lpParameter)
{
AppWindow* appWindow = (AppWindow*) lpParameter;
int returnCode = 2; // Download failed
// Use fwlink to download WebView2 Bootstrapper at runtime and invoke installation
// Broken/Invalid Https Certificate will fail to download
// Use of the download link below is governed by the below terms. You may acquire the link for your use at https://developer.microsoft.com/microsoft-edge/webview2/.
// Microsoft owns all legal right, title, and interest in and to the
// WebView2 Runtime Bootstrapper ("Software") and related documentation,
// including any intellectual property in the Software. You must acquire all
// code, including any code obtained from a Microsoft URL, under a separate
// license directly from Microsoft, including a Microsoft download site
// (e.g., https://developer.microsoft.com/microsoft-edge/webview2/).
HRESULT hr = URLDownloadToFile(NULL, L"https://go.microsoft.com/fwlink/p/?LinkId=2124703", L".\\MicrosoftEdgeWebview2Setup.exe", 0, 0);
if (hr == S_OK)
{
// Either Package the WebView2 Bootstrapper with your app or download it using fwlink
// Then invoke install at Runtime.
SHELLEXECUTEINFO shExInfo = {0};
shExInfo.cbSize = sizeof(shExInfo);
shExInfo.fMask = SEE_MASK_NOASYNC;
shExInfo.hwnd = 0;
shExInfo.lpVerb = L"runas";
shExInfo.lpFile = L"MicrosoftEdgeWebview2Setup.exe";
shExInfo.lpParameters = L" /silent /install";
shExInfo.lpDirectory = 0;
shExInfo.nShow = 0;
shExInfo.hInstApp = 0;
if (ShellExecuteEx(&shExInfo))
{
returnCode = 0; // Install successfull
}
else
{
returnCode = 1; // Install failed
}
}
appWindow->InstallComplete(returnCode);
appWindow->Release();
return returnCode;
}
// Creates a new window which is a copy of the entire app, but on the same thread.
AppWindow::AppWindow(
UINT creationModeId,
std::wstring initialUri,
bool isMainWindow,
std::function<void()> webviewCreatedCallback,
bool customWindowRect,
RECT windowRect,
bool shouldHaveToolbar)
: m_creationModeId(creationModeId),
m_initialUri(initialUri),
m_onWebViewFirstInitialized(webviewCreatedCallback)
{
// Initialize COM as STA.
CHECK_FAILURE(OleInitialize(NULL));
++s_appInstances;
WCHAR szTitle[s_maxLoadString]; // The title bar text
LoadStringW(g_hInstance, IDS_APP_TITLE, szTitle, s_maxLoadString);
if (customWindowRect)
{
m_mainWindow = CreateWindowExW(
WS_EX_CONTROLPARENT, GetWindowClass(), szTitle, WS_OVERLAPPEDWINDOW, windowRect.left,
windowRect.top, windowRect.right-windowRect.left, windowRect.bottom-windowRect.top, nullptr, nullptr, g_hInstance, nullptr);
}
else
{
m_mainWindow = CreateWindowExW(
WS_EX_CONTROLPARENT, GetWindowClass(), szTitle, WS_OVERLAPPEDWINDOW, CW_USEDEFAULT,
0, CW_USEDEFAULT, 0, nullptr, nullptr, g_hInstance, nullptr);
}
m_appBackgroundImageHandle = (HBITMAP)LoadImage(
NULL, L"AppBackground.bmp", IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
GetObject(m_appBackgroundImageHandle, sizeof(m_appBackgroundImage), &m_appBackgroundImage);
m_memHdc = CreateCompatibleDC(GetDC(m_mainWindow));
SelectObject(m_memHdc, m_appBackgroundImageHandle);
SetWindowLongPtr(m_mainWindow, GWLP_USERDATA, (LONG_PTR)this);
#ifdef USE_WEBVIEW2_WIN10
//! [TextScaleChanged1]
if (winrt::try_get_activation_factory<winrt::Windows::UI::ViewManagement::UISettings>())
{
m_uiSettings = winrt::Windows::UI::ViewManagement::UISettings();
m_uiSettings.TextScaleFactorChanged({ this, &AppWindow::OnTextScaleChanged });
}
//! [TextScaleChanged1]
#endif
if (shouldHaveToolbar)
{
m_toolbar.Initialize(this);
}
UpdateCreationModeMenu();
ShowWindow(m_mainWindow, g_nCmdShow);
UpdateWindow(m_mainWindow);
// If no WebVieRuntime installed, create new thread to do install/download.
// Otherwise just initialize webview.
wil::unique_cotaskmem_string version_info;
HRESULT hr = GetAvailableCoreWebView2BrowserVersionString(nullptr, &version_info);
if (hr == S_OK && version_info != nullptr)
{
RunAsync([this] {
InitializeWebView();
});
}
else
{
if (isMainWindow) {
AddRef();
CreateThread(0, 0, DownloadAndInstallWV2RT, (void*) this, 0, 0);
}
else
{
MessageBox(m_mainWindow, L"WebView Runtime not installed", L"WebView Runtime Installation status", MB_OK);
}
}
}
// Register the Win32 window class for the app window.
PCWSTR AppWindow::GetWindowClass()
{
// Only do this once
static PCWSTR windowClass = [] {
static WCHAR windowClass[s_maxLoadString];
LoadStringW(g_hInstance, IDC_WEBVIEW2APISAMPLE, windowClass, s_maxLoadString);
WNDCLASSEXW wcex;
wcex.cbSize = sizeof(WNDCLASSEX);
wcex.style = CS_HREDRAW | CS_VREDRAW;
wcex.lpfnWndProc = WndProcStatic;
wcex.cbClsExtra = 0;
wcex.cbWndExtra = 0;
wcex.hInstance = g_hInstance;
wcex.hIcon = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_WEBVIEW2APISAMPLE));
wcex.hCursor = LoadCursor(nullptr, IDC_ARROW);
wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW + 1);
wcex.lpszMenuName = MAKEINTRESOURCEW(IDC_WEBVIEW2APISAMPLE);
wcex.lpszClassName = windowClass;
wcex.hIconSm = LoadIcon(g_hInstance, MAKEINTRESOURCE(IDI_SMALL));
RegisterClassExW(&wcex);
return windowClass;
}();
return windowClass;
}
LRESULT CALLBACK AppWindow::WndProcStatic(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
if (auto app = (AppWindow*)GetWindowLongPtr(hWnd, GWLP_USERDATA))
{
LRESULT result = 0;
if (app->HandleWindowMessage(hWnd, message, wParam, lParam, &result))
{
return result;
}
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
// Handle Win32 window messages sent to the main window
bool AppWindow::HandleWindowMessage(
HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam, LRESULT* result)
{
// Give all components a chance to handle the message first.
for (auto& component : m_components)
{
if (component->HandleWindowMessage(hWnd, message, wParam, lParam, result))
{
return true;
}
}
switch (message)
{
case WM_SIZE:
{
// Don't resize the app or webview when the app is minimized
// let WM_SYSCOMMAND to handle it
if (lParam != 0)
{
ResizeEverything();
return true;
}
}
break;
//! [DPIChanged]
case WM_DPICHANGED:
{
m_toolbar.UpdateDpiAndTextScale();
if (auto view = GetComponent<ViewComponent>())
{
view->UpdateDpiAndTextScale();
}
RECT* const newWindowSize = reinterpret_cast<RECT*>(lParam);
SetWindowPos(hWnd,
nullptr,
newWindowSize->left,
newWindowSize->top,
newWindowSize->right - newWindowSize->left,
newWindowSize->bottom - newWindowSize->top,
SWP_NOZORDER | SWP_NOACTIVATE);
return true;
}
break;
//! [DPIChanged]
case WM_PAINT:
{
PAINTSTRUCT ps;
HDC hdc;
RECT mainWindowBounds;
RECT webViewBounds = {0};
BeginPaint(hWnd, &ps);
hdc = GetDC(hWnd);
GetClientRect(hWnd, &mainWindowBounds);
if (auto viewComponent = GetComponent<ViewComponent>())
{
webViewBounds = viewComponent->GetBounds();
}
StretchBlt(hdc, webViewBounds.left, webViewBounds.top, webViewBounds.right, webViewBounds.bottom,
m_memHdc, 0, 0, m_appBackgroundImage.bmWidth, m_appBackgroundImage.bmHeight, SRCCOPY);
EndPaint(hWnd, &ps);
return true;
}
break;
case s_runAsyncWindowMessage:
{
auto* task = reinterpret_cast<std::function<void()>*>(wParam);
(*task)();
delete task;
return true;
}
break;
case WM_NCDESTROY:
{
int retValue = 0;
SetWindowLongPtr(hWnd, GWLP_USERDATA, NULL);
NotifyClosed();
if (--s_appInstances == 0)
{
PostQuitMessage(retValue);
}
DeleteObject(m_appBackgroundImageHandle);
DeleteDC(m_memHdc);
}
break;
//! [RestartManager]
case WM_QUERYENDSESSION:
{
// yes, we can shut down
// Register how we might be restarted
RegisterApplicationRestart(L"--restore", RESTART_NO_CRASH | RESTART_NO_HANG);
*result = TRUE;
return true;
}
break;
case WM_ENDSESSION:
{
if (wParam == TRUE)
{
// save app state and exit.
PostQuitMessage(0);
return true;
}
}
break;
//! [RestartManager]
case WM_KEYDOWN:
{
// If bit 30 is set, it means the WM_KEYDOWN message is autorepeated.
// We want to ignore it in that case.
if (!(lParam & (1 << 30)))
{
if (auto action = GetAcceleratorKeyFunction((UINT)wParam))
{
action();
return true;
}
}
}
break;
case WM_COMMAND:
{
return ExecuteWebViewCommands(wParam, lParam) || ExecuteAppCommands(wParam, lParam);
}
break;
}
return false;
}
// Handle commands related to the WebView.
// This will do nothing if the WebView is not initialized.
bool AppWindow::ExecuteWebViewCommands(WPARAM wParam, LPARAM lParam)
{
if (!m_webView)
return false;
switch (LOWORD(wParam))
{
case IDM_GET_BROWSER_VERSION_AFTER_CREATION:
{
//! [GetBrowserVersionString]
wil::unique_cotaskmem_string version_info;
m_webViewEnvironment->get_BrowserVersionString(&version_info);
MessageBox(
m_mainWindow, version_info.get(), L"Browser Version Info After WebView Creation",
MB_OK);
//! [GetBrowserVersionString]
return true;
}
case IDM_CLOSE_WEBVIEW:
{
CloseWebView();
return true;
}
case IDM_CLOSE_WEBVIEW_CLEANUP:
{
CloseWebView(true);
return true;
}
case IDM_SCENARIO_POST_WEB_MESSAGE:
{
NewComponent<ScenarioWebMessage>(this);
return true;
}
case IDM_SCENARIO_ADD_HOST_OBJECT:
{
NewComponent<ScenarioAddHostObject>(this);
return true;
}
case IDM_SCENARIO_WEB_VIEW_EVENT_MONITOR:
{
NewComponent<ScenarioWebViewEventMonitor>(this);
return true;
}
case IDM_SCENARIO_JAVA_SCRIPT:
{
WCHAR c_scriptPath[] = L"ScenarioJavaScriptDebugIndex.html";
std::wstring m_scriptUri = GetLocalUri(c_scriptPath, false);
CHECK_FAILURE(m_webView->Navigate(m_scriptUri.c_str()));
return true;
}
case IDM_SCENARIO_TYPE_SCRIPT:
{
WCHAR c_scriptPath[] = L"ScenarioTypeScriptDebugIndex.html";
std::wstring m_scriptUri = GetLocalUri(c_scriptPath, false);
CHECK_FAILURE(m_webView->Navigate(m_scriptUri.c_str()));
return true;
}
case IDM_SCENARIO_JAVA_SCRIPT_VIRTUAL:
{
WCHAR c_scriptPath[] = L"ScenarioJavaScriptDebugIndex.html";
std::wstring m_scriptUri = GetLocalUri(c_scriptPath, true);
CHECK_FAILURE(m_webView->Navigate(m_scriptUri.c_str()));
return true;
}
case IDM_SCENARIO_TYPE_SCRIPT_VIRTUAL:
{
WCHAR c_scriptPath[] = L"ScenarioTypeScriptDebugIndex.html";
std::wstring m_scriptUri = GetLocalUri(c_scriptPath, true);
CHECK_FAILURE(m_webView->Navigate(m_scriptUri.c_str()));
return true;
}
case IDM_SCENARIO_AUTHENTICATION:
{
NewComponent<ScenarioAuthentication>(this);
return true;
}
case IDM_SCENARIO_COOKIE_MANAGEMENT:
{
NewComponent<ScenarioCookieManagement>(this);
return true;
}
case IDM_SCENARIO_DOM_CONTENT_LOADED:
{
NewComponent<ScenarioDOMContentLoaded>(this);
return true;
}
case IDM_SCENARIO_NAVIGATEWITHWEBRESOURCEREQUEST:
{
NewComponent<ScenarioNavigateWithWebResourceRequest>(this);
return true;
}
case IDM_SCENARIO_TESTING_FOCUS:
{
WCHAR testingFocusPath[] = L"ScenarioTestingFocus.html";
std::wstring testingFocusUri = GetLocalUri(testingFocusPath, false);
CHECK_FAILURE(m_webView->Navigate(testingFocusUri.c_str()));
return true;
}
}
return false;
}
// Handle commands not related to the WebView, which will work even if the WebView
// is not currently initialized.
bool AppWindow::ExecuteAppCommands(WPARAM wParam, LPARAM lParam)
{
switch (LOWORD(wParam))
{
case IDM_ABOUT:
DialogBox(g_hInstance, MAKEINTRESOURCE(IDD_ABOUTBOX), m_mainWindow, About);
return true;
case IDM_GET_BROWSER_VERSION_BEFORE_CREATION:
{
wil::unique_cotaskmem_string version_info;
GetAvailableCoreWebView2BrowserVersionString(
nullptr,
&version_info);
MessageBox(
m_mainWindow, version_info.get(), L"Browser Version Info Before WebView Creation",
MB_OK);
return true;
}
case IDM_UPDATE_RUNTIME:
{
if (!m_webViewEnvironment)
{
MessageBox(
m_mainWindow, L"Need WebView2 environment object to update WebView2 Runtime",
nullptr, MB_OK);
return true;
}
//! [UpdateRuntime]
auto experimentalEnvironment3 =
m_webViewEnvironment.try_query<ICoreWebView2ExperimentalEnvironment3>();
CHECK_FEATURE_RETURN(experimentalEnvironment3);
HRESULT hr = experimentalEnvironment3->UpdateRuntime(
Callback<ICoreWebView2ExperimentalUpdateRuntimeCompletedHandler>(
[](HRESULT errorCode,
ICoreWebView2ExperimentalUpdateRuntimeResult* result) -> HRESULT {
HRESULT updateError = E_FAIL;
COREWEBVIEW2_UPDATE_RUNTIME_STATUS status =
COREWEBVIEW2_UPDATE_RUNTIME_STATUS_FAILED;
if ((errorCode == S_OK) && result)
{
CHECK_FAILURE(result->get_Status(&status));
CHECK_FAILURE(result->get_ExtendedError(&updateError));
}
std::wstringstream formattedMessage;
formattedMessage << "UpdateRuntime result (0x" << std::hex << errorCode
<< "), status(" << status << "), extendedError("
<< updateError << ")";
MessageBox(nullptr, formattedMessage.str().c_str(), nullptr, MB_OK);
return S_OK;
})
.Get());
if (FAILED(hr))
ShowFailure(hr, L"Call to TryUpdateRuntime failed");
//! [UpdateRuntime]
return true;
}
case IDM_EXIT:
CloseAppWindow();
return true;
case IDM_CREATION_MODE_WINDOWED:
case IDM_CREATION_MODE_VISUAL_DCOMP:
case IDM_CREATION_MODE_TARGET_DCOMP:
#ifdef USE_WEBVIEW2_WIN10
case IDM_CREATION_MODE_VISUAL_WINCOMP:
#endif
m_creationModeId = LOWORD(wParam);
UpdateCreationModeMenu();
return true;
case IDM_REINIT:
InitializeWebView();
return true;
case IDM_TOGGLE_FULLSCREEN_ALLOWED:
{
m_fullScreenAllowed = !m_fullScreenAllowed;
MessageBox(
nullptr,
(std::wstring(L"Fullscreen is now ") +
(m_fullScreenAllowed ? L"allowed" : L"disallowed"))
.c_str(),
L"", MB_OK);
return true;
}
case IDM_NEW_WINDOW:
new AppWindow(m_creationModeId);
return true;
case IDM_NEW_THREAD:
CreateNewThread(m_creationModeId);
return true;
case IDM_SET_LANGUAGE:
ChangeLanguage();
return true;
case IDM_TOGGLE_AAD_SSO:
ToggleAADSSO();
return true;
}
return false;
}
// Prompt the user for a new language string
void AppWindow::ChangeLanguage()
{
TextInputDialog dialog(
GetMainWindow(), L"Language", L"Language:",
L"Enter a language to use for WebView, or leave blank to restore default.",
m_language.empty() ? L"zh-cn" : m_language.c_str());
if (dialog.confirmed)
{
m_language = (dialog.input);
}
}
// Toggle AAD SSO enabled
void AppWindow::ToggleAADSSO()
{
m_AADSSOEnabled = !m_AADSSOEnabled;
MessageBox(
nullptr,
m_AADSSOEnabled ? L"AAD single sign on will be enabled for new WebView "
L"created after all webviews are closed." :
L"AAD single sign on will be disabled for new WebView"
L" created after all webviews are closed.",
L"AAD SSO change",
MB_OK);
}
// Message handler for about dialog.
INT_PTR CALLBACK AppWindow::About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
return (INT_PTR)TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
{
EndDialog(hDlg, LOWORD(wParam));
return (INT_PTR)TRUE;
}
break;
}
return (INT_PTR)FALSE;
}
// Decide what to do when an accelerator key is pressed. Instead of immediately performing
// the action, we hand it to the caller so they can decide whether to run it right away
// or running it asynchronously. Will return nullptr if there is no action for the key.
std::function<void()> AppWindow::GetAcceleratorKeyFunction(UINT key)
{
if (GetKeyState(VK_CONTROL) < 0)
{
switch (key)
{
case 'N':
return [this] { new AppWindow(m_creationModeId); };
case 'Q':
return [this] { CloseAppWindow(); };
case 'S':
return [this] {
if (auto file = GetComponent<FileComponent>())
{
file->SaveScreenshot();
}
};
case 'T':
return [this] { CreateNewThread(m_creationModeId); };
case 'W':
return [this] { CloseWebView(); };
}
}
return nullptr;
}
//! [CreateCoreWebView2Controller]
// Create or recreate the WebView and its environment.
void AppWindow::InitializeWebView()
{
// To ensure browser switches get applied correctly, we need to close
// the existing WebView. This will result in a new browser process
// getting created which will apply the browser switches.
CloseWebView();
m_dcompDevice = nullptr;
#ifdef USE_WEBVIEW2_WIN10
m_wincompCompositor = nullptr;
#endif
LPCWSTR subFolder = nullptr;
if (m_creationModeId == IDM_CREATION_MODE_VISUAL_DCOMP ||
m_creationModeId == IDM_CREATION_MODE_TARGET_DCOMP)
{
HRESULT hr = DCompositionCreateDevice2(nullptr, IID_PPV_ARGS(&m_dcompDevice));
if (!SUCCEEDED(hr))
{
MessageBox(
m_mainWindow,
L"Attempting to create WebView using DComp Visual is not supported.\r\n"
"DComp device creation failed.\r\n"
"Current OS may not support DComp.",
L"Create with Windowless DComp Visual Failed", MB_OK);
return;
}
}
#ifdef USE_WEBVIEW2_WIN10
else if (m_creationModeId == IDM_CREATION_MODE_VISUAL_WINCOMP)
{
HRESULT hr = TryCreateDispatcherQueue();
if (!SUCCEEDED(hr))
{
MessageBox(
m_mainWindow,
L"Attempting to create WebView using WinComp Visual is not supported.\r\n"
"WinComp compositor creation failed.\r\n"
"Current OS may not support WinComp.",
L"Create with Windowless WinComp Visual Failed", MB_OK);
return;
}
m_wincompCompositor = winrtComp::Compositor();
}
#endif
//! [CreateCoreWebView2EnvironmentWithOptions]
auto options = Microsoft::WRL::Make<CoreWebView2EnvironmentOptions>();
CHECK_FAILURE(options->put_AllowSingleSignOnUsingOSPrimaryAccount(
m_AADSSOEnabled ? TRUE : FALSE));
if (!m_language.empty())
CHECK_FAILURE(options->put_Language(m_language.c_str()));
HRESULT hr = CreateCoreWebView2EnvironmentWithOptions(
subFolder, nullptr, options.Get(),
Callback<ICoreWebView2CreateCoreWebView2EnvironmentCompletedHandler>(
this, &AppWindow::OnCreateEnvironmentCompleted)
.Get());
//! [CreateCoreWebView2EnvironmentWithOptions]
if (!SUCCEEDED(hr))
{
if (hr == HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND))
{
MessageBox(
m_mainWindow,
L"Couldn't find Edge installation. "
"Do you have a version installed that's compatible with this "
"WebView2 SDK version?",
nullptr, MB_OK);
}
else
{
ShowFailure(hr, L"Failed to create webview environment");
}
}
}
// This is the callback passed to CreateWebViewEnvironmentWithOptions.
// Here we simply create the WebView.
HRESULT AppWindow::OnCreateEnvironmentCompleted(
HRESULT result, ICoreWebView2Environment* environment)
{
CHECK_FAILURE(result);
m_webViewEnvironment = environment;
auto webViewEnvironment3 =
m_webViewEnvironment.try_query<ICoreWebView2Environment3>();
#ifdef USE_WEBVIEW2_WIN10
if (webViewEnvironment3 && (m_dcompDevice || m_wincompCompositor))
#else
if (webViewEnvironment3 && m_dcompDevice)
#endif
{
CHECK_FAILURE(webViewEnvironment3->CreateCoreWebView2CompositionController(
m_mainWindow,
Callback<
ICoreWebView2CreateCoreWebView2CompositionControllerCompletedHandler>(
[this](
HRESULT result,
ICoreWebView2CompositionController* compositionController) -> HRESULT {
auto controller =
wil::com_ptr<ICoreWebView2CompositionController>(compositionController)
.query<ICoreWebView2Controller>();
return OnCreateCoreWebView2ControllerCompleted(result, controller.get());
})
.Get()));
}
else
{
CHECK_FAILURE(m_webViewEnvironment->CreateCoreWebView2Controller(
m_mainWindow, Callback<ICoreWebView2CreateCoreWebView2ControllerCompletedHandler>(
this, &AppWindow::OnCreateCoreWebView2ControllerCompleted)
.Get()));
}
return S_OK;
}
//! [CreateCoreWebView2Controller]
// This is the callback passed to CreateCoreWebView2Controller. Here we initialize all WebView-related
// state and register most of our event handlers with the WebView.
HRESULT AppWindow::OnCreateCoreWebView2ControllerCompleted(HRESULT result, ICoreWebView2Controller* controller)
{
if (result == S_OK)
{
m_controller = controller;
wil::com_ptr<ICoreWebView2> coreWebView2;
CHECK_FAILURE(m_controller->get_CoreWebView2(&coreWebView2));
// We should check for failure here because if this app is using a newer
// SDK version compared to the install of the Edge browser, the Edge
// browser might not have support for the latest version of the
// ICoreWebView2_N interface.
coreWebView2.query_to(&m_webView);
// Create components. These will be deleted when the WebView is closed.
NewComponent<FileComponent>(this);
NewComponent<ProcessComponent>(this);
NewComponent<ScriptComponent>(this);
NewComponent<SettingsComponent>(
this, m_webViewEnvironment.get(), m_oldSettingsComponent.get());
m_oldSettingsComponent = nullptr;
NewComponent<ViewComponent>(
this, m_dcompDevice.get(),
#ifdef USE_WEBVIEW2_WIN10
m_wincompCompositor,
#endif
m_creationModeId == IDM_CREATION_MODE_TARGET_DCOMP);
NewComponent<ControlComponent>(this, &m_toolbar);
m_webView3 = coreWebView2.try_query<ICoreWebView2_3>();
if (m_webView3)
{
//! [AddVirtualHostNameToFolderMapping]
// Setup host resource mapping for local files.
m_webView3->SetVirtualHostNameToFolderMapping(
L"appassets.example", L"assets",
COREWEBVIEW2_HOST_RESOURCE_ACCESS_KIND_DENY_CORS);
//! [AddVirtualHostNameToFolderMapping]
}
// We have a few of our own event handlers to register here as well
RegisterEventHandlers();
// Set the initial size of the WebView
ResizeEverything();
if (m_onWebViewFirstInitialized)
{
m_onWebViewFirstInitialized();
m_onWebViewFirstInitialized = nullptr;
}
if (m_initialUri.empty())
{
// StartPage uses initialized values of the WebView and Environment
// so we wait to call StartPage::GetUri until after the WebView is
// created.
m_initialUri = AppStartPage::GetUri(this);
}
if (m_initialUri != L"none")
{
CHECK_FAILURE(m_webView->Navigate(m_initialUri.c_str()));
}
}
else
{
ShowFailure(result, L"Failed to create webview");
}
return S_OK;
}
void AppWindow::ReinitializeWebView()
{
// Save the settings component from being deleted when the WebView is closed, so we can
// copy its properties to the next settings component.
m_oldSettingsComponent = MoveComponent<SettingsComponent>();
InitializeWebView();
}
void AppWindow::ReinitializeWebViewWithNewBrowser()
{
if (!m_webView)
{
ReinitializeWebView();
return;
}
// Save the settings component from being deleted when the WebView is closed, so we can
// copy its properties to the next settings component.
m_oldSettingsComponent = MoveComponent<SettingsComponent>();
// Use the reference to the web view before we close it
UINT webviewProcessId = 0;
m_webView->get_BrowserProcessId(&webviewProcessId);
// We need to close the current webviews and wait for the browser_process to exit
// This is so the new webviews don't use the old browser exe
CloseWebView();
// Make sure the browser process inside webview is closed
ProcessComponent::EnsureProcessIsClosed(webviewProcessId, 2000);
InitializeWebView();
}
void AppWindow::RestartApp()
{
// Use the reference to the web view before we close the app window
UINT webviewProcessId = 0;
m_webView->get_BrowserProcessId(&webviewProcessId);
// To restart the app completely, first we close the current App Window
CloseAppWindow();
// Make sure the browser process inside webview is closed
ProcessComponent::EnsureProcessIsClosed(webviewProcessId, 2000);
// Get the command line arguments used to start this app
// so we can re-create the process with them
LPWSTR args = GetCommandLineW();
STARTUPINFOW startup_info = {0};
startup_info.cb = sizeof(startup_info);
PROCESS_INFORMATION temp_process_info = {};
// Start a new process
if (!::CreateProcess(
nullptr, args,
nullptr, // default process attributes
nullptr, // default thread attributes
FALSE, // do not inherit handles
0,
nullptr, // no environment
nullptr, // default current directory
&startup_info, &temp_process_info))
{
// Log some error information if desired
}
// Terminate this current process
::exit(0);
}
void AppWindow::RegisterEventHandlers()
{
//! [ContainsFullScreenElementChanged]
// Register a handler for the ContainsFullScreenChanged event.
CHECK_FAILURE(m_webView->add_ContainsFullScreenElementChanged(
Callback<ICoreWebView2ContainsFullScreenElementChangedEventHandler>(
[this](ICoreWebView2* sender, IUnknown* args) -> HRESULT {
if (m_fullScreenAllowed)
{
CHECK_FAILURE(
sender->get_ContainsFullScreenElement(&m_containsFullscreenElement));
if (m_containsFullscreenElement)
{
EnterFullScreen();
}
else
{
ExitFullScreen();
}
}
return S_OK;
})
.Get(),
nullptr));
//! [ContainsFullScreenElementChanged]
//! [NewWindowRequested]
// Register a handler for the NewWindowRequested event.
// This handler will defer the event, create a new app window, and then once the
// new window is ready, it'll provide that new window's WebView as the response to
// the request.
CHECK_FAILURE(m_webView->add_NewWindowRequested(
Callback<ICoreWebView2NewWindowRequestedEventHandler>(
[this](ICoreWebView2* sender, ICoreWebView2NewWindowRequestedEventArgs* args) {
wil::com_ptr<ICoreWebView2Deferral> deferral;
CHECK_FAILURE(args->GetDeferral(&deferral));
AppWindow* newAppWindow;
wil::com_ptr<ICoreWebView2WindowFeatures> windowFeatures;
CHECK_FAILURE(args->get_WindowFeatures(&windowFeatures));
RECT windowRect = {0};
UINT32 left = 0;
UINT32 top = 0;
UINT32 height = 0;
UINT32 width = 0;
BOOL shouldHaveToolbar = true;
BOOL hasPosition = FALSE;
BOOL hasSize = FALSE;
CHECK_FAILURE(windowFeatures->get_HasPosition(&hasPosition));
CHECK_FAILURE(windowFeatures->get_HasSize(&hasSize));
bool useDefaultWindow = true;
if (!!hasPosition && !!hasSize)
{
CHECK_FAILURE(windowFeatures->get_Left(&left));
CHECK_FAILURE(windowFeatures->get_Top(&top));
CHECK_FAILURE(windowFeatures->get_Height(&height));
CHECK_FAILURE(windowFeatures->get_Width(&width));
useDefaultWindow = false;
}
CHECK_FAILURE(windowFeatures->get_ShouldDisplayToolbar(&shouldHaveToolbar));
windowRect.left = left;
windowRect.right = left + (width < s_minNewWindowSize ? s_minNewWindowSize : width);
windowRect.top = top;
windowRect.bottom = top + (height < s_minNewWindowSize ? s_minNewWindowSize : height);
// passing "none" as uri as its a noinitialnavigation
if (!useDefaultWindow)
{
newAppWindow = new AppWindow(m_creationModeId, L"none", false, nullptr, true, windowRect, !!shouldHaveToolbar);
}
else
{
newAppWindow = new AppWindow(m_creationModeId, L"none");
}
newAppWindow->m_isPopupWindow = true;
newAppWindow->m_onWebViewFirstInitialized = [args, deferral, newAppWindow]() {
CHECK_FAILURE(args->put_NewWindow(newAppWindow->m_webView.get()));
CHECK_FAILURE(args->put_Handled(TRUE));
CHECK_FAILURE(deferral->Complete());
};
return S_OK;
})
.Get(),
nullptr));
//! [NewWindowRequested]
//! [WindowCloseRequested]
// Register a handler for the WindowCloseRequested event.
// This handler will close the app window if it is not the main window.
CHECK_FAILURE(m_webView->add_WindowCloseRequested(
Callback<ICoreWebView2WindowCloseRequestedEventHandler>([this](
ICoreWebView2* sender,
IUnknown* args) {
if (m_isPopupWindow)
{
CloseAppWindow();
}
return S_OK;
}).Get(),
nullptr));
//! [WindowCloseRequested]
//! [NewBrowserVersionAvailable]
// After the environment is successfully created,