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https://chromium-review.googlesource.com/c/chromium/src/+/6870052 Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com> Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
// Copyright (c) 2020 Microsoft, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#ifndef ELECTRON_SHELL_BROWSER_UI_WEBUI_ACCESSIBILITY_UI_H_
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#define ELECTRON_SHELL_BROWSER_UI_WEBUI_ACCESSIBILITY_UI_H_
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#include "chrome/browser/ui/webui/accessibility/accessibility_ui.h"
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#include "content/public/browser/web_ui_controller.h"
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#include "content/public/browser/web_ui_data_source.h"
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#include "content/public/browser/web_ui_message_handler.h"
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// Controls the accessibility web UI page.
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class ElectronAccessibilityUI : public content::WebUIController {
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public:
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explicit ElectronAccessibilityUI(content::WebUI* web_ui);
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~ElectronAccessibilityUI() override;
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};
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// Manages messages sent from accessibility.js via json.
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class ElectronAccessibilityUIMessageHandler
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: public AccessibilityUIMessageHandler {
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public:
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ElectronAccessibilityUIMessageHandler();
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// disable copy
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ElectronAccessibilityUIMessageHandler(
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const ElectronAccessibilityUIMessageHandler&) = delete;
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ElectronAccessibilityUIMessageHandler& operator=(
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const ElectronAccessibilityUIMessageHandler&) = delete;
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void RegisterMessages() final;
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static void RegisterPrefs(user_prefs::PrefRegistrySyncable* registry);
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private:
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void GetRequestTypeAndFilters(const base::Value::Dict& data,
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std::string& request_type,
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std::string& allow,
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std::string& allow_empty,
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std::string& deny);
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void RequestNativeUITree(const base::Value::List& args);
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// content::WebContentsObserver:
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void OnVisibilityChanged(content::Visibility visibility) override;
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// Updates the UI with new data. Called periodically to keep the UI up-to-date
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// while it is visible.
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void OnUpdateDisplayTimer();
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// The last data for display sent to the UI by OnUpdateDisplayTimer.
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base::Value::Dict last_data_;
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// A timer that runs while the UI is visible to call OnUpdateDisplayTimer.
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base::RepeatingTimer update_display_timer_;
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};
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#endif // ELECTRON_SHELL_BROWSER_UI_WEBUI_ACCESSIBILITY_UI_H_
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