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Multiprofile's Delete API modify #3069

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Multiprofile's Delete API modify #3069

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3b46d95
Multiprofile's Delete API modify
Dec 15, 2022
710afd2
add add_ProfileDeleted/remove_ProfileDeleted SPEC
Dec 19, 2022
3a0c4aa
comments fix
Jan 4, 2023
e834d1e
remove staging and use the expected public name
Jan 5, 2023
70e7a7f
fix comments
Jan 5, 2023
4e428e2
comments fix
Jan 16, 2023
33cda74
add spec of 'IsClosed' and Enum value of 'Closed' event
Feb 3, 2023
767d420
remove other enum value and add them in latter PR
Feb 7, 2023
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148 changes: 121 additions & 27 deletions specs/MultiProfile.md
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Original file line number Diff line number Diff line change
Expand Up @@ -169,21 +169,35 @@ void ScenarioCookieManagement::DeleteAllCookies()
### Delete profile

```cpp
HRESULT AppWindow::DeleteProfile(ICoreWebView2Controller* controller)
HRESULT AppWindow::DeleteProfile(ICoreWebView2* webView2)
{
wil::com_ptr<ICoreWebView2> coreWebView2;
CHECK_FAILURE(controller->get_CoreWebView2(&coreWebView2));
auto webview7 = coreWebView2.try_query<ICoreWebView2_7>();
if (webview7)
{
wil::com_ptr<ICoreWebView2Profile> profile;
CHECK_FAILURE(webview7->get_Profile(&profile));
auto profile2 = profile.try_query<ICoreWebView2StagingProfile4>();
if (profile2)
{
CHECK_FAILURE(profile2->Delete());
}
}
wil::com_ptr<ICoreWebView2Profile> profile;
CHECK_FAILURE(webView2->get_Profile(&profile));
CHECK_FAILURE(profile2->Delete());
}

void AppWindow::RegisterEventHandlers()
{
CHECK_FAILURE(m_webView->add_Closed(
Microsoft::WRL::Callback<ICoreWebView2ClosedEventHandler>(
[this](ICoreWebView2_20* sender, ICoreWebView2EventArgs* args)
{
COREWEBVIEW2_CLOSED_REASON reason;
CHECK_FAILURE(args->get_Reason(&reason));
if (reason == COREWEBVIEW2_CLOSED_REASON::COREWEBVIEW2_CLOSED_REASON_PROFILE_DELETED)
{
RunAsync( [this]()
{
std::wstring message =
L"The webview2 has been closed and the reason is profile "
L"has been marked as deleted.";
MessageBox(
m_mainWindow, message.c_str(), L"webview2 closed", MB_OK);
CloseAppWindow();
});
}
return S_OK;
}).Get(), nullptr));
}
```

Expand Down Expand Up @@ -253,10 +267,28 @@ public DeleteProfile(CoreWebView2Controller controller)
{
// Get the profile object.
CoreWebView2Profile profile = controller.CoreWebView2.Profile;

// Delete current profile.
profile.Delete();
}

void WebView_CoreWebView2InitializationCompleted(object sender, CoreWebView2InitializationCompletedEventArgs e)
{
webView.CoreWebView2.Closed += CoreWebView2_Closed;
}

private void CoreWebView2_Closed(object sender, CoreWebView2ClosedEventArgs e)
{
if (e.Reason == CoreWebView2ClosedReason.ProfileDeleted)
{
this.Dispatcher.InvokeAsync(() =>
{
String message = "The webview2 has been closed and the reason is profile has been marked as deleted";
MessageBox.Show(message);
Close();
});
}
}
```

# API Details
Expand All @@ -267,9 +299,13 @@ public DeleteProfile(CoreWebView2Controller controller)
interface ICoreWebView2ControllerOptions;
interface ICoreWebView2Environment5;
interface ICoreWebView2_7;
interface ICoreWebView2_9;
interface ICoreWebView2Profile;
interface ICoreWebView2Profile2;
interface ICoreWebView2Profile3;
interface ICoreWebView2Profile4;
interface ICoreWebView2ClosedEventHandler;
interface ICoreWebView2ClosedEventArgs;

/// This interface is used to manage profile options that created by 'CreateCoreWebView2ControllerOptions'.
[uuid(C2669A3A-03A9-45E9-97EA-03CD55E5DC03), object, pointer_default(unique)]
Expand Down Expand Up @@ -363,17 +399,60 @@ interface ICoreWebView2Profile2 : ICoreWebView2Profile {
[propget] HRESULT CookieManager([out, retval] ICoreWebView2CookieManager** cookieManager);
}

[uuid(1c1ae2cc-d5c2-ffe3-d3e7-7857035d23b7), object, pointer_default(unique)]
interface ICoreWebView2Profile3 : ICoreWebView2Profile2 {
/// All webviews on this profile will be closed, and the profile will be marked for deletion.
/// After the Delete() call completes, The render process of webviews on this profile will
/// asynchronously exit with the reason:`COREWEBVIEW2_PROCESS_FAILED_REASON_PROFILE_DELETED`.
/// See 'COREWEBVIEW2_PROCESS_FAILED_REASON::COREWEBVIEW2_PROCESS_FAILED_REASON_PROFILE_DELETED'
/// for more details. The profile directory on disk will be actually deleted when the browser
/// process exits. Webview2 creation will fail with the HRESULT is ERROR_INVALID_STATE(0x8007139FL)
/// if you create it with the same name as a profile that is being deleted.
HRESULT Delete();
[uuid(2765B8BD-7C57-4B76-B8AA-1EC940FE92CC), object, pointer_default(unique)]
interface ICoreWebView2Profile4 : IUnknown {
/// After the API is called, the profile will be marked for deletion. The
/// local profile's directory will be tried to delete at browser process
/// exit, if fail to delete, it will recursively try to delete at next
/// browser process start until successful.
/// The corresponding webview2s will be auto closed and its Closed event
/// handle function will be triggered with the reason is
/// COREWEBVIEW2_CLOSED_REASON.COREWEBVIEW2_CLOSED_REASON_PROFILE_DELETED.
/// If create a new profile with the same name as the profile that has been
/// marked as deleted will be failure with the HRESULT:ERROR_INVALID_STATE
/// (0x8007139FL).
HRESULT Delete();
}

[uuid(cc39bea3-f6f8-471b-919f-fa253e2fff03), object, pointer_default(unique)]
interface ICoreWebView2_9 : IUnknown {
/// Add an event handler for the `Closed` event. `Closed` enent handle runs
/// when the webview2 is closed passivly. When this event is raised, the
/// webview2 cannot be used anymore.
HRESULT add_Closed(
[in] ICoreWebView2ClosedEventHandler* eventHandler,
[out] EventRegistrationToken* token);

/// Remove an event handler previously added with `add_Closed`.
HRESULT remove_Closed(
[in] EventRegistrationToken token);
}
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In addition we should add a property where you can check if the CoreWebView2 is closed or not. This way end dev's asynchronous code that may be in progress when the profile is deleted can check if the CoreWebView2 has closed and take appropriate action.

/// Returns TRUE if the CoreWebView2 is closed. Once closed, CoreWebView2 
/// events will no longer be raised and methods will immediately return failure
/// unless otherwise noted in the API documentation. This property will continue
/// to work after the CoreWebView2 is closed.
[propget] HRESULT IsClosed([out] BOOL* value);

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@yunate yunate Jan 6, 2023 •
edited
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I think do not need this function. Because, close webview and Closed event handle function called are in a same therad and a same loop. So, if the Closed event handle function called, the user has known the webview has been closed, they can record a flag in this function; if before Closed event handle function called, the webview is always still alive.


/// The reason of webview2 closed.
[v1_enum]
typedef enum COREWEBVIEW2_CLOSED_REASON {
/// Indicates that the reason of webview2 closed is its corresponding
/// Profile has been or marked as deleted.
COREWEBVIEW2_CLOSED_REASON_PROFILE_DELETED,
} COREWEBVIEW2_CLOSED_REASON;
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The two other cases we should add here (we can get the urgent work's implementation in first, and the less urgent parts implementation in a later PR) are for normal webview2 shutdown, and for browser process crash. Maybe this:

/// The CoreWebView2 has closed because the corresponding
/// CoreWebView2Controller had its Close method called either
/// explicitly or implicitly.
COREWEBVIEW2_CLOSED_REASON_SHUTDOWN,

/// The CoreWebView2 has closed because its browser process
/// crashed. The Closed event will be raised after the ProcessFailed
/// event is raised.
COREWEBVIEW2_CLOSED_REASON_BROWSER_PROCESS_FAILURE,

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Ok, I will create a work item to trace this things.

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Additional entries for this:

/// The CoreWebView2 has closed because the corresponding
/// CoreWebView2Controller had its Close method called either
/// explicitly or implicitly.
COREWEBVIEW2_CLOSED_REASON_SHUTDOWN,

/// The CoreWebView2 has closed because its browser process
/// crashed. The Closed event will be raised after the ProcessFailed
/// event is raised.
COREWEBVIEW2_CLOSED_REASON_BROWSER_PROCESS_FAILURE,

/// The CoreWebView2 has closed because its browser process
/// has exited. 
COREWEBVIEW2_CLOSED_REASON_BROWSER_PROCESS_EXITED,

/// The CoreWebView2 has closed because its parent window
/// was closed.
COREWEBVIEW2_CLOSED_REASON_PARENT_WINDOW_CLOSED

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Do I need to add those to the API SPEC, or add them one by one in a later PR?


/// Receives the webview2 `Closed` event.
[uuid(970BB7E0-A257-4A76-BE15-5BDEB00B5673), object, pointer_default(unique)]
interface ICoreWebView2ClosedEventHandler : IUnknown {
/// Called to provide the implementer with the event args for the
/// corresponding event.
HRESULT Invoke([in] ICoreWebView2_20* sender,
[in] ICoreWebView2ClosedEventArgs* args);
}

/// This is the event args interface for webview2 `Closed` event handle.
[uuid(0e1730c1-03df-4ad2-b847-be4d63adf777), object, pointer_default(unique)]
interface ICoreWebView2ClosedEventArgs : IUnknown {
/// webview2 closed reason.
[propget] HRESULT Reason([out, retval]
COREWEBVIEW2_CLOSED_REASON* value);
}

```

## .NET and WinRT
Expand Down Expand Up @@ -414,6 +493,21 @@ namespace Microsoft.Web.WebView2.Core
{
// ...
CoreWebView2Profile Profile { get; };

[interface_name("Microsoft.Web.WebView2.Core.ICoreWebView2_9")]
{
event Windows.Foundation.TypedEventHandler<CoreWebView2, CoreWebView2ClosedEventArgs> Closed;
}
}

enum CoreWebView2ClosedReason
{
ProfileDeleted = 0,
};

runtimeclass CoreWebView2ClosedEventArgs
{
CoreWebView2ClosedReason Reason { get; };
}

runtimeclass CoreWebView2Profile
Expand All @@ -426,9 +520,9 @@ namespace Microsoft.Web.WebView2.Core

CoreWebView2CookieManager CookieManager { get; };

[interface_name("Microsoft.Web.WebView2.Core.ICoreWebView2Profile3")]
[interface_name("Microsoft.Web.WebView2.Core.ICoreWebView2Profile4")]
{
// ICoreWebView2Profile3 members
// ICoreWebView2Profile4 members
void Delete();
}
}
Expand Down