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https://github.com/LadybirdBrowser/ladybird.git
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0e881bc5d7
When a mousewheel scroll event isn't handled by the web content itself (e.g. an overflowed box or similar), the event needs to get passed back up to the OutOfProcessWebView.
119 lines
5.1 KiB
C++
119 lines
5.1 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <AK/URL.h>
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#include <LibGUI/ScrollableWidget.h>
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#include <LibGUI/Widget.h>
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#include <LibWeb/WebViewHooks.h>
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namespace Web {
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class WebContentClient;
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class OutOfProcessWebView final
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: public GUI::ScrollableWidget
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, public Web::WebViewHooks {
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C_OBJECT(OutOfProcessWebView);
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public:
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virtual ~OutOfProcessWebView() override;
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URL url() const { return m_url; }
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void load(const URL&);
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void load_html(const StringView&, const URL&);
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void load_empty_document();
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void debug_request(const String& request, const String& argument = {});
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void get_source();
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void js_console_initialize();
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void js_console_input(const String& js_source);
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void notify_server_did_layout(Badge<WebContentClient>, const Gfx::IntSize& content_size);
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void notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id);
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void notify_server_did_invalidate_content_rect(Badge<WebContentClient>, const Gfx::IntRect&);
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void notify_server_did_change_selection(Badge<WebContentClient>);
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void notify_server_did_request_cursor_change(Badge<WebContentClient>, Gfx::StandardCursor cursor);
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void notify_server_did_change_title(Badge<WebContentClient>, const String&);
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void notify_server_did_request_scroll(Badge<WebContentClient>, int);
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void notify_server_did_request_scroll_into_view(Badge<WebContentClient>, const Gfx::IntRect&);
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void notify_server_did_hover_link(Badge<WebContentClient>, const URL&);
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void notify_server_did_unhover_link(Badge<WebContentClient>);
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void notify_server_did_click_link(Badge<WebContentClient>, const URL&, const String& target, unsigned modifiers);
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void notify_server_did_middle_click_link(Badge<WebContentClient>, const URL&, const String& target, unsigned modifiers);
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void notify_server_did_start_loading(Badge<WebContentClient>, const URL&);
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void notify_server_did_finish_loading(Badge<WebContentClient>, const URL&);
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void notify_server_did_request_context_menu(Badge<WebContentClient>, const Gfx::IntPoint&);
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void notify_server_did_request_link_context_menu(Badge<WebContentClient>, const Gfx::IntPoint&, const URL&, const String& target, unsigned modifiers);
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void notify_server_did_request_alert(Badge<WebContentClient>, const String& message);
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bool notify_server_did_request_confirm(Badge<WebContentClient>, const String& message);
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String notify_server_did_request_prompt(Badge<WebContentClient>, const String& message, const String& default_);
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void notify_server_did_get_source(const URL& url, const String& source);
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void notify_server_did_js_console_output(const String& method, const String& line);
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private:
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OutOfProcessWebView();
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// ^Widget
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void resize_event(GUI::ResizeEvent&) override;
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virtual void mousedown_event(GUI::MouseEvent&) override;
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virtual void mouseup_event(GUI::MouseEvent&) override;
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void mousewheel_event(GUI::MouseEvent&) override;
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virtual void keydown_event(GUI::KeyEvent&) override;
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virtual void theme_change_event(GUI::ThemeChangeEvent&) override;
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// ^ScrollableWidget
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virtual void did_scroll() override;
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void request_repaint();
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void handle_resize();
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void create_client();
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WebContentClient& client();
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void handle_web_content_process_crash();
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URL m_url;
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struct ClientState {
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RefPtr<WebContentClient> client;
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RefPtr<Gfx::Bitmap> front_bitmap;
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RefPtr<Gfx::Bitmap> back_bitmap;
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i32 front_bitmap_id { -1 };
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i32 back_bitmap_id { -1 };
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i32 next_bitmap_id { 0 };
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bool has_usable_bitmap { false };
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} m_client_state;
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RefPtr<Gfx::Bitmap> m_backup_bitmap;
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};
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}
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