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LibWeb+WebContent: Move pending dialog handling from PageHost to Page

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Currently, all handling of pending dialogs occurs in PageHost. In order
to re-use this functionality to run WebDriver in a headless move, move
it to Page.
This commit is contained in:
Timothy Flynn 2022-11-21 15:18:42 -05:00 • committed by Linus Groh
parent 7c00619e47
commit 1f08cb7020
7 changed files with 189 additions and 126 deletions
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95
Userland/Services/WebContent/PageHost.cpp
View file

@ -7,17 +7,13 @@
#include "PageHost.h"
#include "ConnectionFromClient.h"
#include <AK/SourceLocation.h>
#include <LibGfx/Painter.h>
#include <LibGfx/ShareableBitmap.h>
#include <LibGfx/SystemTheme.h>
#include <LibWeb/Cookie/ParsedCookie.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/HTML/EventLoop/EventLoop.h>
#include <LibWeb/HTML/Scripting/Environments.h>
#include <LibWeb/Layout/InitialContainingBlock.h>
#include <LibWeb/Painting/PaintableBox.h>
#include <LibWeb/Platform/EventLoopPlugin.h>
#include <LibWeb/Platform/Timer.h>
#include <WebContent/WebContentClientEndpoint.h>
#include <WebContent/WebDriverConnection.h>
@ -54,6 +50,11 @@ void PageHost::setup_palette()
m_palette_impl = Gfx::PaletteImpl::create_with_anonymous_buffer(buffer);
}
bool PageHost::is_connection_open() const
{
return m_client.is_open();
}
Gfx::Palette PageHost::palette() const
{
return Gfx::Palette(*m_palette_impl);
@ -237,112 +238,44 @@ void PageHost::page_did_request_link_context_menu(Gfx::IntPoint const& content_p
m_client.async_did_request_link_context_menu(content_position, url, target, modifiers);
}
template<typename ResponseType>
static ResponseType spin_event_loop_until_dialog_closed(ConnectionFromClient& client, Optional<ResponseType>& response, SourceLocation location = SourceLocation::current())
{
auto& event_loop = Web::HTML::current_settings_object().responsible_event_loop();
ScopeGuard guard { [&] { event_loop.set_execution_paused(false); } };
event_loop.set_execution_paused(true);
Web::Platform::EventLoopPlugin::the().spin_until([&]() {
return response.has_value() || !client.is_open();
});
if (!client.is_open()) {
dbgln("WebContent client disconnected during {}. Exiting peacefully.", location.function_name());
exit(0);
}
return response.release_value();
}
void PageHost::page_did_request_alert(String const& message)
{
m_pending_dialog = PendingDialog::Alert;
m_client.async_did_request_alert(message);
if (!message.is_empty())
m_pending_dialog_text = message;
spin_event_loop_until_dialog_closed(m_client, m_pending_alert_response);
}
void PageHost::alert_closed()
{
if (m_pending_dialog == PendingDialog::Alert) {
m_pending_dialog = PendingDialog::None;
m_pending_alert_response = Empty {};
m_pending_dialog_text.clear();
}
page().alert_closed();
}
bool PageHost::page_did_request_confirm(String const& message)
void PageHost::page_did_request_confirm(String const& message)
{
m_pending_dialog = PendingDialog::Confirm;
m_client.async_did_request_confirm(message);
if (!message.is_empty())
m_pending_dialog_text = message;
return spin_event_loop_until_dialog_closed(m_client, m_pending_confirm_response);
}
void PageHost::confirm_closed(bool accepted)
{
if (m_pending_dialog == PendingDialog::Confirm) {
m_pending_dialog = PendingDialog::None;
m_pending_confirm_response = accepted;
m_pending_dialog_text.clear();
}
page().confirm_closed(accepted);
}
String PageHost::page_did_request_prompt(String const& message, String const& default_)
void PageHost::page_did_request_prompt(String const& message, String const& default_)
{
m_pending_dialog = PendingDialog::Prompt;
m_client.async_did_request_prompt(message, default_);
if (!message.is_empty())
m_pending_dialog_text = message;
return spin_event_loop_until_dialog_closed(m_client, m_pending_prompt_response);
}
void PageHost::prompt_closed(String response)
{
if (m_pending_dialog == PendingDialog::Prompt) {
m_pending_dialog = PendingDialog::None;
m_pending_prompt_response = move(response);
m_pending_dialog_text.clear();
}
page().prompt_closed(move(response));
}
void PageHost::dismiss_dialog()
void PageHost::page_did_request_accept_dialog()
{
switch (m_pending_dialog) {
case PendingDialog::None:
break;
case PendingDialog::Alert:
m_client.async_did_request_accept_dialog();
break;
case PendingDialog::Confirm:
case PendingDialog::Prompt:
m_client.async_did_request_dismiss_dialog();
break;
}
m_client.async_did_request_accept_dialog();
}
void PageHost::accept_dialog()
void PageHost::page_did_request_dismiss_dialog()
{
switch (m_pending_dialog) {
case PendingDialog::None:
break;
case PendingDialog::Alert:
case PendingDialog::Confirm:
case PendingDialog::Prompt:
m_client.async_did_request_accept_dialog();
break;
}
m_client.async_did_request_dismiss_dialog();
}
void PageHost::page_did_change_favicon(Gfx::Bitmap const& favicon)

25
Userland/Services/WebContent/PageHost.h
View file

@ -47,20 +47,9 @@ public:
void confirm_closed(bool accepted);
void prompt_closed(String response);
enum class PendingDialog {
None,
Alert,
Confirm,
Prompt,
};
bool has_pending_dialog() const { return m_pending_dialog != PendingDialog::None; }
PendingDialog pending_dialog() const { return m_pending_dialog; }
Optional<String> const& pending_dialog_text() const { return m_pending_dialog_text; }
void dismiss_dialog();
void accept_dialog();
private:
// ^PageClient
virtual bool is_connection_open() const override;
virtual Gfx::Palette palette() const override;
virtual Gfx::IntRect screen_rect() const override { return m_screen_rect; }
virtual Web::CSS::PreferredColorScheme preferred_color_scheme() const override { return m_preferred_color_scheme; }
@ -84,8 +73,10 @@ private:
virtual void page_did_create_main_document() override;
virtual void page_did_finish_loading(const URL&) override;
virtual void page_did_request_alert(String const&) override;
virtual bool page_did_request_confirm(String const&) override;
virtual String page_did_request_prompt(String const&, String const&) override;
virtual void page_did_request_confirm(String const&) override;
virtual void page_did_request_prompt(String const&, String const&) override;
virtual void page_did_request_accept_dialog() override;
virtual void page_did_request_dismiss_dialog() override;
virtual void page_did_change_favicon(Gfx::Bitmap const&) override;
virtual void page_did_request_image_context_menu(Gfx::IntPoint const&, const URL&, String const& target, unsigned modifiers, Gfx::Bitmap const*) override;
virtual String page_did_request_cookie(const URL&, Web::Cookie::Source) override;
@ -111,12 +102,6 @@ private:
Web::CSS::PreferredColorScheme m_preferred_color_scheme { Web::CSS::PreferredColorScheme::Auto };
RefPtr<WebDriverConnection> m_webdriver;
PendingDialog m_pending_dialog { PendingDialog::None };
Optional<String> m_pending_dialog_text;
Optional<Empty> m_pending_alert_response;
Optional<bool> m_pending_confirm_response;
Optional<String> m_pending_prompt_response;
};
}

32
Userland/Services/WebContent/WebDriverConnection.cpp
View file

@ -1389,11 +1389,11 @@ Messages::WebDriverClient::DismissAlertResponse WebDriverConnection::dismiss_ale
TRY(ensure_open_top_level_browsing_context());
// 2. If there is no current user prompt, return error with error code no such alert.
if (!m_page_host.has_pending_dialog())
if (!m_page_host.page().has_pending_dialog())
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::NoSuchAlert, "No user dialog is currently open"sv);
// 3. Dismiss the current user prompt.
m_page_host.dismiss_dialog();
m_page_host.page().dismiss_dialog();
// 4. Return success with data null.
return JsonValue {};
@ -1406,11 +1406,11 @@ Messages::WebDriverClient::AcceptAlertResponse WebDriverConnection::accept_alert
TRY(ensure_open_top_level_browsing_context());
// 2. If there is no current user prompt, return error with error code no such alert.
if (!m_page_host.has_pending_dialog())
if (!m_page_host.page().has_pending_dialog())
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::NoSuchAlert, "No user dialog is currently open"sv);
// 3. Accept the current user prompt.
m_page_host.accept_dialog();
m_page_host.page().accept_dialog();
// 4. Return success with data null.
return JsonValue {};
@ -1423,11 +1423,11 @@ Messages::WebDriverClient::GetAlertTextResponse WebDriverConnection::get_alert_t
TRY(ensure_open_top_level_browsing_context());
// 2. If there is no current user prompt, return error with error code no such alert.
if (!m_page_host.has_pending_dialog())
if (!m_page_host.page().has_pending_dialog())
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::NoSuchAlert, "No user dialog is currently open"sv);
// 3. Let message be the text message associated with the current user prompt, or otherwise be null.
auto const& message = m_page_host.pending_dialog_text();
auto const& message = m_page_host.page().pending_dialog_text();
// 4. Return success with data message.
if (message.has_value())
@ -1446,20 +1446,20 @@ Messages::WebDriverClient::SendAlertTextResponse WebDriverConnection::send_alert
TRY(ensure_open_top_level_browsing_context());
// 4. If there is no current user prompt, return error with error code no such alert.
if (!m_page_host.has_pending_dialog())
if (!m_page_host.page().has_pending_dialog())
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::NoSuchAlert, "No user dialog is currently open"sv);
// 5. Run the substeps of the first matching current user prompt:
switch (m_page_host.pending_dialog()) {
switch (m_page_host.page().pending_dialog()) {
// -> alert
// -> confirm
case PageHost::PendingDialog::Alert:
case PageHost::PendingDialog::Confirm:
case Web::Page::PendingDialog::Alert:
case Web::Page::PendingDialog::Confirm:
// Return error with error code element not interactable.
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::ElementNotInteractable, "Only prompt dialogs may receive text"sv);
// -> prompt
case PageHost::PendingDialog::Prompt:
case Web::Page::PendingDialog::Prompt:
// Do nothing.
break;
@ -1547,7 +1547,7 @@ ErrorOr<void, Web::WebDriver::Error> WebDriverConnection::ensure_open_top_level_
ErrorOr<void, Web::WebDriver::Error> WebDriverConnection::handle_any_user_prompts()
{
// 1. If there is no current user prompt, abort these steps and return success.
if (!m_page_host.has_pending_dialog())
if (!m_page_host.page().has_pending_dialog())
return {};
// 2. Perform the following substeps based on the current session’s user prompt handler:
@ -1555,19 +1555,19 @@ ErrorOr<void, Web::WebDriver::Error> WebDriverConnection::handle_any_user_prompt
// -> dismiss state
case Web::WebDriver::UnhandledPromptBehavior::Dismiss:
// Dismiss the current user prompt.
m_page_host.dismiss_dialog();
m_page_host.page().dismiss_dialog();
break;
// -> accept state
case Web::WebDriver::UnhandledPromptBehavior::Accept:
// Accept the current user prompt.
m_page_host.accept_dialog();
m_page_host.page().accept_dialog();
break;
// -> dismiss and notify state
case Web::WebDriver::UnhandledPromptBehavior::DismissAndNotify:
// Dismiss the current user prompt.
m_page_host.dismiss_dialog();
m_page_host.page().dismiss_dialog();
// Return an annotated unexpected alert open error.
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::UnexpectedAlertOpen, "A user dialog is open"sv);
@ -1575,7 +1575,7 @@ ErrorOr<void, Web::WebDriver::Error> WebDriverConnection::handle_any_user_prompt
// -> accept and notify state
case Web::WebDriver::UnhandledPromptBehavior::AcceptAndNotify:
// Accept the current user prompt.
m_page_host.accept_dialog();
m_page_host.page().accept_dialog();
// Return an annotated unexpected alert open error.
return Web::WebDriver::Error::from_code(Web::WebDriver::ErrorCode::UnexpectedAlertOpen, "A user dialog is open"sv);