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serenity/Ladybird/AppKit/UI/LadybirdWebViewBridge.h
Timothy Flynn 9d31fc3ea3 Ladybird: Implement content zooming in the AppKit chrome
This lets the user zoom in and out on a web page using the View menu or
keyboard shortcuts. This does not implement zooming with ctrl+scroll.

In the future, it'd be nice to embed the zoom level display inside the
location toolbar. But to do that, we will need to invent our own custom
search field and all of the UI classes (controller, cell, etc.) to draw
the field. So for now, this places the zoom level display to the right
of the location toolbar.
2023-10-13 07:51:53 +02:00

77 lines
2.7 KiB
C++

/*
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Vector.h>
#include <LibGfx/Point.h>
#include <LibGfx/Rect.h>
#include <LibGfx/Size.h>
#include <LibGfx/StandardCursor.h>
#include <LibWeb/CSS/PreferredColorScheme.h>
#include <LibWebView/ViewImplementation.h>
// FIXME: These should not be included outside of Serenity.
#include <Kernel/API/KeyCode.h>
#include <LibGUI/Event.h>
namespace Ladybird {
class WebViewBridge final : public WebView::ViewImplementation {
public:
static ErrorOr<NonnullOwnPtr<WebViewBridge>> create(Vector<Gfx::IntRect> screen_rects, float device_pixel_ratio, Optional<StringView> webdriver_content_ipc_path, Web::CSS::PreferredColorScheme);
virtual ~WebViewBridge() override;
float device_pixel_ratio() const { return m_device_pixel_ratio; }
void set_device_pixel_ratio(float device_pixel_ratio);
float inverse_device_pixel_ratio() const { return 1.0f / m_device_pixel_ratio; }
void set_system_visibility_state(bool is_visible);
enum class ForResize {
Yes,
No,
};
void set_viewport_rect(Gfx::IntRect, ForResize = ForResize::No);
void update_palette();
void set_preferred_color_scheme(Web::CSS::PreferredColorScheme);
void mouse_wheel_event(Gfx::IntPoint, Gfx::IntPoint, GUI::MouseButton, KeyModifier, int, int);
void mouse_down_event(Gfx::IntPoint, Gfx::IntPoint, GUI::MouseButton, KeyModifier);
void mouse_up_event(Gfx::IntPoint, Gfx::IntPoint, GUI::MouseButton, KeyModifier);
void mouse_move_event(Gfx::IntPoint, Gfx::IntPoint, GUI::MouseButton, KeyModifier);
void mouse_double_click_event(Gfx::IntPoint, Gfx::IntPoint, GUI::MouseButton, KeyModifier);
void key_down_event(KeyCode, KeyModifier, u32);
void key_up_event(KeyCode, KeyModifier, u32);
struct Paintable {
Gfx::Bitmap& bitmap;
Gfx::IntSize bitmap_size;
};
Optional<Paintable> paintable();
Function<void()> on_zoom_level_changed;
private:
WebViewBridge(Vector<Gfx::IntRect> screen_rects, float device_pixel_ratio, Optional<StringView> webdriver_content_ipc_path, Web::CSS::PreferredColorScheme);
virtual void update_zoom() override;
virtual Gfx::IntRect viewport_rect() const override;
virtual Gfx::IntPoint to_content_position(Gfx::IntPoint widget_position) const override;
virtual Gfx::IntPoint to_widget_position(Gfx::IntPoint content_position) const override;
virtual void create_client(WebView::EnableCallgrindProfiling) override;
Vector<Gfx::IntRect> m_screen_rects;
Gfx::IntRect m_viewport_rect;
Optional<StringView> m_webdriver_content_ipc_path;
Web::CSS::PreferredColorScheme m_preferred_color_scheme { Web::CSS::PreferredColorScheme::Auto };
};
}