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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_VIEWS_SIDE_PANEL_SIDE_PANEL_WEB_UI_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_SIDE_PANEL_SIDE_PANEL_WEB_UI_VIEW_H_
#include <memory>
#include "base/callback_list.h"
#include "base/functional/callback_forward.h"
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/webui/top_chrome/webui_contents_wrapper.h"
#include "ui/base/metadata/metadata_header_macros.h"
#include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
#include "ui/views/controls/webview/webview.h"
namespace ui {
class MenuModel;
} // namespace ui
namespace views {
class MenuRunner;
} // namespace views
class SidePanelEntryScope;
// SidePanelWebUIView holds generic behavior for side panel entry views hosting
// WebUI. This includes keyboard event handling, context menu triggering, and
// handling visibility updates.
class SidePanelWebUIView : public views::WebView,
public WebUIContentsWrapper::Host {
METADATA_HEADER(SidePanelWebUIView, views::WebView)
public:
static inline constexpr int kSidePanelWebViewId = 777;
SidePanelWebUIView(SidePanelEntryScope& scope,
base::RepeatingClosure on_show_cb,
base::RepeatingClosure close_cb,
WebUIContentsWrapper* contents_wrapper);
SidePanelWebUIView(const SidePanelWebUIView&) = delete;
SidePanelWebUIView& operator=(const SidePanelWebUIView&) = delete;
~SidePanelWebUIView() override;
// views::WebView:
void ViewHierarchyChanged(
const views::ViewHierarchyChangedDetails& details) override;
// WebUIContentsWrapper::Host:
void ShowUI() override;
void CloseUI() override;
void ShowCustomContextMenu(
gfx::Point point,
std::unique_ptr<ui::MenuModel> menu_model) override;
void HideCustomContextMenu() override;
bool HandleKeyboardEvent(content::WebContents* source,
const input::NativeWebKeyboardEvent& event) override;
private:
base::RepeatingClosure on_show_cb_;
base::RepeatingClosure close_cb_;
raw_ptr<WebUIContentsWrapper, DanglingUntriaged> contents_wrapper_;
std::unique_ptr<views::MenuRunner> context_menu_runner_;
std::unique_ptr<ui::MenuModel> context_menu_model_;
// A handler to handle unhandled keyboard messages coming back from the
// renderer process.
views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
base::CallbackListSubscription tab_will_discard_subscription_;
base::WeakPtrFactory<SidePanelWebUIView> weak_factory_{this};
};
template <class T>
class SidePanelWebUIViewT : public SidePanelWebUIView {
METADATA_TEMPLATE_HEADER(SidePanelWebUIViewT, SidePanelWebUIView)
public:
SidePanelWebUIViewT(
SidePanelEntryScope& scope,
base::RepeatingClosure on_show_cb,
base::RepeatingClosure close_cb,
std::unique_ptr<WebUIContentsWrapperT<T>> contents_wrapper)
: SidePanelWebUIView(scope,
std::move(on_show_cb),
std::move(close_cb),
contents_wrapper.get()),
contents_wrapper_(std::move(contents_wrapper)) {}
SidePanelWebUIViewT(const SidePanelWebUIViewT&) = delete;
SidePanelWebUIViewT& operator=(const SidePanelWebUIViewT&) = delete;
~SidePanelWebUIViewT() override = default;
WebUIContentsWrapperT<T>* contents_wrapper() {
return contents_wrapper_.get();
}
private:
std::unique_ptr<WebUIContentsWrapperT<T>> contents_wrapper_;
};
#endif // CHROME_BROWSER_UI_VIEWS_SIDE_PANEL_SIDE_PANEL_WEB_UI_VIEW_H_
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