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// Copyright 2025 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_DEVTOOLS_DEVTOOLS_UI_CONTROLLER_H_
#define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_UI_CONTROLLER_H_
#include <memory>
#include "base/callback_list.h"
#include "base/memory/raw_ptr.h"
#include "ui/views/focus/external_focus_tracker.h"
class ContentsContainerView;
namespace content {
class WebContents;
} // namespace content
namespace views {
class WebView;
} // namespace views
// DevtoolsUIController handles managing the state of the devtools views.
class DevtoolsUIController {
public:
explicit DevtoolsUIController(
std::vector<ContentsContainerView*> contents_container_views);
~DevtoolsUIController();
void TearDown();
bool UpdateDevtools(ContentsContainerView* contents_container,
content::WebContents* web_contents,
bool update_devtools_web_contents);
private:
// Controller for a single DevtoolsWebView owned by |contents_container_view|.
// Manages updating the devtools window.
class DevtoolsWebViewController {
public:
explicit DevtoolsWebViewController(
ContentsContainerView* contents_container_view);
DevtoolsWebViewController(const DevtoolsWebViewController&) = delete;
DevtoolsWebViewController& operator=(const DevtoolsWebViewController&) =
delete;
~DevtoolsWebViewController();
void OnWebContentsAttached(views::WebView* web_view);
void OnWebContentsDetached(views::WebView* web_view);
// Updates devtools window for given contents. This method will show docked
// devtools window for inspected |web_contents| that has docked devtools
// and hide it for null or not inspected |web_contents|. It will also make
// sure devtools window size and position are restored for given tab.
// This method will not update actual DevTools WebContents, if not
// |update_devtools_web_contents|. Returns true if devtools changes
// visibility or the resizing strategy is updated.
bool UpdateDevtools(content::WebContents* web_contents,
bool update_devtools_web_contents);
void RestoreFocus();
private:
raw_ptr<ContentsContainerView> contents_container_view_;
// Tracks and stores the last focused view which is not the
// devtools_web_view_ or any of its children. Used to restore focus once
// the devtools_web_view_ is hidden.
std::unique_ptr<views::ExternalFocusTracker> devtools_focus_tracker_;
base::CallbackListSubscription web_contents_attached_subscription_;
base::CallbackListSubscription web_contents_detached_subscription_;
};
std::map<ContentsContainerView*, std::unique_ptr<DevtoolsWebViewController>>
devtools_web_view_controllers_;
};
#endif // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_UI_CONTROLLER_H_
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