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Libraries: Move to Userland/Libraries/
This commit is contained in:
parent
dc28c07fa5
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13d7c09125
1857 changed files with 266 additions and 274 deletions
124
Userland/Libraries/LibWeb/Page/EditEventHandler.cpp
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124
Userland/Libraries/LibWeb/Page/EditEventHandler.cpp
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@ -0,0 +1,124 @@
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/*
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* Copyright (c) 2020, the SerenityOS developers.
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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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#include <AK/StringBuilder.h>
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#include <LibWeb/DOM/Position.h>
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#include <LibWeb/DOM/Range.h>
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#include <LibWeb/DOM/Text.h>
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#include <LibWeb/Layout/LayoutPosition.h>
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#include <LibWeb/Page/Frame.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/Dump.h>
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#include <LibWeb/Layout/InitialContainingBlockBox.h>
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#include "EditEventHandler.h"
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namespace Web {
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// This method is quite convoluted but this is necessary to make editing feel intuitive.
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void EditEventHandler::handle_delete(DOM::Range& range)
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{
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auto* start = downcast<DOM::Text>(range.start_container());
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auto* end = downcast<DOM::Text>(range.end_container());
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if (start == end) {
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StringBuilder builder;
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builder.append(start->data().substring_view(0, range.start_offset()));
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builder.append(end->data().substring_view(range.end_offset()));
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start->set_data(builder.to_string());
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} else {
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// Remove all the nodes that are fully enclosed in the range.
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HashTable<DOM::Node*> queued_for_deletion;
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for (auto* node = start->next_in_pre_order(); node; node = node->next_in_pre_order()) {
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if (node == end)
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break;
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queued_for_deletion.set(node);
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}
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for (auto* parent = start->parent(); parent; parent = parent->parent())
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queued_for_deletion.remove(parent);
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for (auto* parent = end->parent(); parent; parent = parent->parent())
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queued_for_deletion.remove(parent);
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for (auto* node : queued_for_deletion)
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node->parent()->remove_child(*node);
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// Join the parent nodes of start and end.
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DOM::Node *insert_after = start, *remove_from = end, *parent_of_end = end->parent();
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while (remove_from) {
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auto* next_sibling = remove_from->next_sibling();
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remove_from->parent()->remove_child(*remove_from);
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insert_after->parent()->insert_before(*remove_from, *insert_after);
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insert_after = remove_from;
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remove_from = next_sibling;
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}
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if (!parent_of_end->has_children()) {
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if (parent_of_end->parent())
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parent_of_end->parent()->remove_child(*parent_of_end);
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}
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// Join the start and end nodes.
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StringBuilder builder;
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builder.append(start->data().substring_view(0, range.start_offset()));
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builder.append(end->data().substring_view(range.end_offset()));
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start->set_data(builder.to_string());
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start->parent()->remove_child(*end);
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}
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// FIXME: When nodes are removed from the DOM, the associated layout nodes become stale and still
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// remain in the layout tree. This has to be fixed, this just causes everything to be recomputed
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// which really hurts performance.
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m_frame.document()->force_layout();
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m_frame.did_edit({});
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}
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void EditEventHandler::handle_insert(DOM::Position position, u32 code_point)
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{
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if (is<DOM::Text>(*position.node())) {
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auto& node = downcast<DOM::Text>(*position.node());
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StringBuilder builder;
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builder.append(node.data().substring_view(0, position.offset()));
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builder.append_code_point(code_point);
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builder.append(node.data().substring_view(position.offset()));
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node.set_data(builder.to_string());
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node.invalidate_style();
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}
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// FIXME: When nodes are removed from the DOM, the associated layout nodes become stale and still
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// remain in the layout tree. This has to be fixed, this just causes everything to be recomputed
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// which really hurts performance.
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m_frame.document()->force_layout();
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m_frame.did_edit({});
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}
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}
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49
Userland/Libraries/LibWeb/Page/EditEventHandler.h
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49
Userland/Libraries/LibWeb/Page/EditEventHandler.h
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/*
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* Copyright (c) 2020, the SerenityOS developers.
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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 <LibWeb/Forward.h>
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namespace Web {
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class EditEventHandler {
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public:
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explicit EditEventHandler(Frame& frame)
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: m_frame(frame)
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{
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}
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virtual ~EditEventHandler() = default;
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virtual void handle_delete(DOM::Range&);
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virtual void handle_insert(DOM::Position, u32 code_point);
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private:
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Frame& m_frame;
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};
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}
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414
Userland/Libraries/LibWeb/Page/EventHandler.cpp
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414
Userland/Libraries/LibWeb/Page/EventHandler.cpp
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/*
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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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#include <LibGUI/Event.h>
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#include <LibGUI/Window.h>
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#include <LibJS/Runtime/Value.h>
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#include <LibWeb/DOM/Document.h>
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#include <LibWeb/DOM/Range.h>
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#include <LibWeb/DOM/Text.h>
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#include <LibWeb/HTML/HTMLAnchorElement.h>
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#include <LibWeb/HTML/HTMLIFrameElement.h>
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#include <LibWeb/HTML/HTMLImageElement.h>
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#include <LibWeb/InProcessWebView.h>
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#include <LibWeb/Layout/InitialContainingBlockBox.h>
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#include <LibWeb/Page/EventHandler.h>
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#include <LibWeb/Page/Frame.h>
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#include <LibWeb/UIEvents/EventNames.h>
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#include <LibWeb/UIEvents/MouseEvent.h>
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namespace Web {
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static Gfx::IntPoint compute_mouse_event_offset(const Gfx::IntPoint& position, const Layout::Node& layout_node)
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{
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auto top_left_of_layout_node = layout_node.box_type_agnostic_position();
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return {
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position.x() - static_cast<int>(top_left_of_layout_node.x()),
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position.y() - static_cast<int>(top_left_of_layout_node.y())
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};
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}
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EventHandler::EventHandler(Badge<Frame>, Frame& frame)
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: m_frame(frame)
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, m_edit_event_handler(make<EditEventHandler>(frame))
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{
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}
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EventHandler::~EventHandler()
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{
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}
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const Layout::InitialContainingBlockBox* EventHandler::layout_root() const
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{
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if (!m_frame.document())
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return nullptr;
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return m_frame.document()->layout_node();
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}
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Layout::InitialContainingBlockBox* EventHandler::layout_root()
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{
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if (!m_frame.document())
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return nullptr;
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return m_frame.document()->layout_node();
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}
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bool EventHandler::handle_mouseup(const Gfx::IntPoint& position, unsigned button, unsigned modifiers)
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{
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if (!layout_root())
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return false;
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if (m_mouse_event_tracking_layout_node) {
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m_mouse_event_tracking_layout_node->handle_mouseup({}, position, button, modifiers);
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return true;
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}
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bool handled_event = false;
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auto result = layout_root()->hit_test(position, Layout::HitTestType::Exact);
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if (result.layout_node && result.layout_node->wants_mouse_events()) {
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result.layout_node->handle_mouseup({}, position, button, modifiers);
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// Things may have changed as a consequence of Layout::Node::handle_mouseup(). Hit test again.
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if (!layout_root())
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return true;
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result = layout_root()->hit_test(position, Layout::HitTestType::Exact);
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}
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if (result.layout_node && result.layout_node->dom_node()) {
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RefPtr<DOM::Node> node = result.layout_node->dom_node();
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if (is<HTML::HTMLIFrameElement>(*node)) {
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if (auto* subframe = downcast<HTML::HTMLIFrameElement>(*node).content_frame())
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return subframe->event_handler().handle_mouseup(position.translated(compute_mouse_event_offset({}, *result.layout_node)), button, modifiers);
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return false;
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}
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auto offset = compute_mouse_event_offset(position, *result.layout_node);
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node->dispatch_event(UIEvents::MouseEvent::create(UIEvents::EventNames::mouseup, offset.x(), offset.y()));
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handled_event = true;
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}
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if (button == GUI::MouseButton::Left)
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m_in_mouse_selection = false;
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return handled_event;
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}
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bool EventHandler::handle_mousedown(const Gfx::IntPoint& position, unsigned button, unsigned modifiers)
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{
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if (!layout_root())
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return false;
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if (m_mouse_event_tracking_layout_node) {
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m_mouse_event_tracking_layout_node->handle_mousedown({}, position, button, modifiers);
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return true;
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}
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NonnullRefPtr document = *m_frame.document();
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RefPtr<DOM::Node> node;
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{
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auto result = layout_root()->hit_test(position, Layout::HitTestType::Exact);
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if (!result.layout_node)
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return false;
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node = result.layout_node->dom_node();
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document->set_hovered_node(node);
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if (result.layout_node->wants_mouse_events()) {
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result.layout_node->handle_mousedown({}, position, button, modifiers);
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return true;
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}
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if (!node)
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return false;
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if (is<HTML::HTMLIFrameElement>(*node)) {
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if (auto* subframe = downcast<HTML::HTMLIFrameElement>(*node).content_frame())
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return subframe->event_handler().handle_mousedown(position.translated(compute_mouse_event_offset({}, *result.layout_node)), button, modifiers);
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return false;
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}
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if (auto* page = m_frame.page())
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page->set_focused_frame({}, m_frame);
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auto offset = compute_mouse_event_offset(position, *result.layout_node);
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node->dispatch_event(UIEvents::MouseEvent::create(UIEvents::EventNames::mousedown, offset.x(), offset.y()));
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}
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// NOTE: Dispatching an event may have disturbed the world.
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if (!layout_root() || layout_root() != node->document().layout_node())
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return true;
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if (button == GUI::MouseButton::Right && is<HTML::HTMLImageElement>(*node)) {
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auto& image_element = downcast<HTML::HTMLImageElement>(*node);
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auto image_url = image_element.document().complete_url(image_element.src());
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if (auto* page = m_frame.page())
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page->client().page_did_request_image_context_menu(m_frame.to_main_frame_position(position), image_url, "", modifiers, image_element.bitmap());
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return true;
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}
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if (RefPtr<HTML::HTMLAnchorElement> link = node->enclosing_link_element()) {
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auto href = link->href();
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auto url = document->complete_url(href);
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dbgln("Web::EventHandler: Clicking on a link to {}", url);
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if (button == GUI::MouseButton::Left) {
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auto href = link->href();
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auto url = document->complete_url(href);
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if (href.starts_with("javascript:")) {
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document->run_javascript(href.substring_view(11, href.length() - 11));
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} else if (href.starts_with('#')) {
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auto anchor = href.substring_view(1, href.length() - 1);
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m_frame.scroll_to_anchor(anchor);
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} else {
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if (m_frame.is_main_frame()) {
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if (auto* page = m_frame.page())
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page->client().page_did_click_link(url, link->target(), modifiers);
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} else {
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// FIXME: Handle different targets!
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m_frame.loader().load(url, FrameLoader::Type::Navigation);
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}
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}
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} else if (button == GUI::MouseButton::Right) {
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if (auto* page = m_frame.page())
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page->client().page_did_request_link_context_menu(m_frame.to_main_frame_position(position), url, link->target(), modifiers);
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} else if (button == GUI::MouseButton::Middle) {
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if (auto* page = m_frame.page())
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page->client().page_did_middle_click_link(url, link->target(), modifiers);
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}
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} else {
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if (button == GUI::MouseButton::Left) {
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auto result = layout_root()->hit_test(position, Layout::HitTestType::TextCursor);
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if (result.layout_node && result.layout_node->dom_node()) {
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m_frame.set_cursor_position(DOM::Position(*node, result.index_in_node));
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layout_root()->set_selection({ { result.layout_node, result.index_in_node }, {} });
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m_in_mouse_selection = true;
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}
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} else if (button == GUI::MouseButton::Right) {
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if (auto* page = m_frame.page())
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page->client().page_did_request_context_menu(m_frame.to_main_frame_position(position));
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}
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}
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return true;
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}
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bool EventHandler::handle_mousemove(const Gfx::IntPoint& position, unsigned buttons, unsigned modifiers)
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{
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if (!layout_root())
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return false;
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if (m_mouse_event_tracking_layout_node) {
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m_mouse_event_tracking_layout_node->handle_mousemove({}, position, buttons, modifiers);
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return true;
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}
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auto& document = *m_frame.document();
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bool hovered_node_changed = false;
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bool is_hovering_link = false;
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bool is_hovering_text = false;
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auto result = layout_root()->hit_test(position, Layout::HitTestType::Exact);
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const HTML::HTMLAnchorElement* hovered_link_element = nullptr;
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if (result.layout_node) {
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if (result.layout_node->wants_mouse_events()) {
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document.set_hovered_node(result.layout_node->dom_node());
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result.layout_node->handle_mousemove({}, position, buttons, modifiers);
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// FIXME: It feels a bit aggressive to always update the cursor like this.
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if (auto* page = m_frame.page())
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page->client().page_did_request_cursor_change(Gfx::StandardCursor::None);
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return true;
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}
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RefPtr<DOM::Node> node = result.layout_node->dom_node();
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if (node && is<HTML::HTMLIFrameElement>(*node)) {
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if (auto* subframe = downcast<HTML::HTMLIFrameElement>(*node).content_frame())
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return subframe->event_handler().handle_mousemove(position.translated(compute_mouse_event_offset({}, *result.layout_node)), buttons, modifiers);
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return false;
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}
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hovered_node_changed = node != document.hovered_node();
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document.set_hovered_node(node);
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if (node) {
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if (node->is_text())
|
||||
is_hovering_text = true;
|
||||
hovered_link_element = node->enclosing_link_element();
|
||||
if (hovered_link_element)
|
||||
is_hovering_link = true;
|
||||
auto offset = compute_mouse_event_offset(position, *result.layout_node);
|
||||
node->dispatch_event(UIEvents::MouseEvent::create(UIEvents::EventNames::mousemove, offset.x(), offset.y()));
|
||||
// NOTE: Dispatching an event may have disturbed the world.
|
||||
if (!layout_root() || layout_root() != node->document().layout_node())
|
||||
return true;
|
||||
}
|
||||
if (m_in_mouse_selection) {
|
||||
auto hit = layout_root()->hit_test(position, Layout::HitTestType::TextCursor);
|
||||
if (hit.layout_node && hit.layout_node->dom_node()) {
|
||||
layout_root()->set_selection_end({ hit.layout_node, hit.index_in_node });
|
||||
}
|
||||
if (auto* page = m_frame.page())
|
||||
page->client().page_did_change_selection();
|
||||
}
|
||||
}
|
||||
|
||||
if (auto* page = m_frame.page()) {
|
||||
if (is_hovering_link)
|
||||
page->client().page_did_request_cursor_change(Gfx::StandardCursor::Hand);
|
||||
else if (is_hovering_text)
|
||||
page->client().page_did_request_cursor_change(Gfx::StandardCursor::IBeam);
|
||||
else
|
||||
page->client().page_did_request_cursor_change(Gfx::StandardCursor::None);
|
||||
|
||||
if (hovered_node_changed) {
|
||||
RefPtr<HTML::HTMLElement> hovered_html_element = document.hovered_node() ? document.hovered_node()->enclosing_html_element() : nullptr;
|
||||
if (hovered_html_element && !hovered_html_element->title().is_null()) {
|
||||
page->client().page_did_enter_tooltip_area(m_frame.to_main_frame_position(position), hovered_html_element->title());
|
||||
} else {
|
||||
page->client().page_did_leave_tooltip_area();
|
||||
}
|
||||
if (is_hovering_link)
|
||||
page->client().page_did_hover_link(document.complete_url(hovered_link_element->href()));
|
||||
else
|
||||
page->client().page_did_unhover_link();
|
||||
}
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
bool EventHandler::focus_next_element()
|
||||
{
|
||||
if (!m_frame.document())
|
||||
return false;
|
||||
auto* element = m_frame.document()->focused_element();
|
||||
if (!element) {
|
||||
element = m_frame.document()->first_child_of_type<DOM::Element>();
|
||||
if (element && element->is_focusable()) {
|
||||
m_frame.document()->set_focused_element(element);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
for (element = element->next_element_in_pre_order(); element && !element->is_focusable(); element = element->next_element_in_pre_order())
|
||||
;
|
||||
|
||||
m_frame.document()->set_focused_element(element);
|
||||
return element;
|
||||
}
|
||||
|
||||
bool EventHandler::focus_previous_element()
|
||||
{
|
||||
// FIXME: Implement Shift-Tab cycling backwards through focusable elements!
|
||||
return false;
|
||||
}
|
||||
|
||||
bool EventHandler::handle_keydown(KeyCode key, unsigned modifiers, u32 code_point)
|
||||
{
|
||||
if (key == KeyCode::Key_Tab) {
|
||||
if (modifiers & KeyModifier::Mod_Shift)
|
||||
return focus_previous_element();
|
||||
else
|
||||
return focus_next_element();
|
||||
}
|
||||
|
||||
if (layout_root()->selection().is_valid()) {
|
||||
auto range = layout_root()->selection().to_dom_range()->normalized();
|
||||
if (range->start_container()->is_editable()) {
|
||||
m_frame.document()->layout_node()->set_selection({});
|
||||
|
||||
// FIXME: This doesn't work for some reason?
|
||||
m_frame.set_cursor_position({ *range->start_container(), range->start_offset() });
|
||||
|
||||
if (key == KeyCode::Key_Backspace || key == KeyCode::Key_Delete) {
|
||||
|
||||
m_edit_event_handler->handle_delete(range);
|
||||
return true;
|
||||
} else {
|
||||
|
||||
m_edit_event_handler->handle_delete(range);
|
||||
|
||||
m_edit_event_handler->handle_insert(m_frame.cursor_position(), code_point);
|
||||
m_frame.cursor_position().set_offset(m_frame.cursor_position().offset() + 1);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (m_frame.cursor_position().is_valid() && m_frame.cursor_position().node()->is_editable()) {
|
||||
if (key == KeyCode::Key_Backspace) {
|
||||
auto position = m_frame.cursor_position();
|
||||
|
||||
if (position.offset() == 0)
|
||||
TODO();
|
||||
|
||||
m_frame.cursor_position().set_offset(position.offset() - 1);
|
||||
m_edit_event_handler->handle_delete(DOM::Range::create(*position.node(), position.offset() - 1, *position.node(), position.offset()));
|
||||
|
||||
return true;
|
||||
} else if (key == KeyCode::Key_Delete) {
|
||||
auto position = m_frame.cursor_position();
|
||||
|
||||
if (position.offset() >= downcast<DOM::Text>(position.node())->data().length())
|
||||
TODO();
|
||||
|
||||
m_edit_event_handler->handle_delete(DOM::Range::create(*position.node(), position.offset(), *position.node(), position.offset() + 1));
|
||||
|
||||
return true;
|
||||
} else if (key == KeyCode::Key_Right) {
|
||||
auto position = m_frame.cursor_position();
|
||||
|
||||
if (position.offset() >= downcast<DOM::Text>(position.node())->data().length())
|
||||
TODO();
|
||||
|
||||
m_frame.cursor_position().set_offset(position.offset() + 1);
|
||||
|
||||
return true;
|
||||
} else if (key == KeyCode::Key_Left) {
|
||||
auto position = m_frame.cursor_position();
|
||||
|
||||
if (position.offset() == 0)
|
||||
TODO();
|
||||
|
||||
m_frame.cursor_position().set_offset(position.offset() - 1);
|
||||
|
||||
return true;
|
||||
} else {
|
||||
m_edit_event_handler->handle_insert(m_frame.cursor_position(), code_point);
|
||||
m_frame.cursor_position().set_offset(m_frame.cursor_position().offset() + 1);
|
||||
return true;
|
||||
}
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
void EventHandler::set_mouse_event_tracking_layout_node(Layout::Node* layout_node)
|
||||
{
|
||||
if (layout_node)
|
||||
m_mouse_event_tracking_layout_node = layout_node->make_weak_ptr();
|
||||
else
|
||||
m_mouse_event_tracking_layout_node = nullptr;
|
||||
}
|
||||
|
||||
}
|
72
Userland/Libraries/LibWeb/Page/EventHandler.h
Normal file
72
Userland/Libraries/LibWeb/Page/EventHandler.h
Normal file
|
@ -0,0 +1,72 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <AK/Forward.h>
|
||||
#include <AK/WeakPtr.h>
|
||||
#include <Kernel/API/KeyCode.h>
|
||||
#include <LibGUI/Forward.h>
|
||||
#include <LibGfx/Forward.h>
|
||||
#include <LibWeb/Forward.h>
|
||||
#include <LibWeb/Page/EditEventHandler.h>
|
||||
|
||||
namespace Web {
|
||||
|
||||
class Frame;
|
||||
|
||||
class EventHandler {
|
||||
public:
|
||||
explicit EventHandler(Badge<Frame>, Frame&);
|
||||
~EventHandler();
|
||||
|
||||
bool handle_mouseup(const Gfx::IntPoint&, unsigned button, unsigned modifiers);
|
||||
bool handle_mousedown(const Gfx::IntPoint&, unsigned button, unsigned modifiers);
|
||||
bool handle_mousemove(const Gfx::IntPoint&, unsigned buttons, unsigned modifiers);
|
||||
|
||||
bool handle_keydown(KeyCode, unsigned modifiers, u32 code_point);
|
||||
|
||||
void set_mouse_event_tracking_layout_node(Layout::Node*);
|
||||
|
||||
void set_edit_event_handler(NonnullOwnPtr<EditEventHandler> value) { m_edit_event_handler = move(value); }
|
||||
|
||||
private:
|
||||
bool focus_next_element();
|
||||
bool focus_previous_element();
|
||||
|
||||
Layout::InitialContainingBlockBox* layout_root();
|
||||
const Layout::InitialContainingBlockBox* layout_root() const;
|
||||
|
||||
Frame& m_frame;
|
||||
|
||||
bool m_in_mouse_selection { false };
|
||||
|
||||
WeakPtr<Layout::Node> m_mouse_event_tracking_layout_node;
|
||||
|
||||
NonnullOwnPtr<EditEventHandler> m_edit_event_handler;
|
||||
};
|
||||
|
||||
}
|
274
Userland/Libraries/LibWeb/Page/Frame.cpp
Normal file
274
Userland/Libraries/LibWeb/Page/Frame.cpp
Normal file
|
@ -0,0 +1,274 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <LibWeb/DOM/Document.h>
|
||||
#include <LibWeb/HTML/HTMLAnchorElement.h>
|
||||
#include <LibWeb/InProcessWebView.h>
|
||||
#include <LibWeb/Layout/BreakNode.h>
|
||||
#include <LibWeb/Layout/InitialContainingBlockBox.h>
|
||||
#include <LibWeb/Layout/TextNode.h>
|
||||
#include <LibWeb/Layout/WidgetBox.h>
|
||||
#include <LibWeb/Page/Frame.h>
|
||||
|
||||
namespace Web {
|
||||
|
||||
Frame::Frame(DOM::Element& host_element, Frame& main_frame)
|
||||
: m_page(*main_frame.page())
|
||||
, m_main_frame(main_frame)
|
||||
, m_loader(*this)
|
||||
, m_event_handler({}, *this)
|
||||
, m_host_element(host_element)
|
||||
{
|
||||
setup();
|
||||
}
|
||||
|
||||
Frame::Frame(Page& page)
|
||||
: m_page(page)
|
||||
, m_main_frame(*this)
|
||||
, m_loader(*this)
|
||||
, m_event_handler({}, *this)
|
||||
{
|
||||
setup();
|
||||
}
|
||||
|
||||
Frame::~Frame()
|
||||
{
|
||||
}
|
||||
|
||||
void Frame::setup()
|
||||
{
|
||||
m_cursor_blink_timer = Core::Timer::construct(500, [this] {
|
||||
if (!is_focused_frame())
|
||||
return;
|
||||
if (m_cursor_position.node() && m_cursor_position.node()->layout_node()) {
|
||||
m_cursor_blink_state = !m_cursor_blink_state;
|
||||
m_cursor_position.node()->layout_node()->set_needs_display();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
void Frame::did_edit(Badge<EditEventHandler>)
|
||||
{
|
||||
// The user has edited the content, restart the cursor blink cycle so that
|
||||
// the cursor doesn't disappear during rapid continuous editing.
|
||||
m_cursor_blink_state = true;
|
||||
m_cursor_blink_timer->restart();
|
||||
}
|
||||
|
||||
bool Frame::is_focused_frame() const
|
||||
{
|
||||
return m_page && &m_page->focused_frame() == this;
|
||||
}
|
||||
|
||||
void Frame::set_document(DOM::Document* document)
|
||||
{
|
||||
if (m_document == document)
|
||||
return;
|
||||
|
||||
m_cursor_position = {};
|
||||
|
||||
if (m_document)
|
||||
m_document->detach_from_frame({}, *this);
|
||||
|
||||
m_document = document;
|
||||
|
||||
if (m_document) {
|
||||
m_document->attach_to_frame({}, *this);
|
||||
if (m_page)
|
||||
m_page->client().page_did_change_title(m_document->title());
|
||||
}
|
||||
|
||||
if (m_page)
|
||||
m_page->client().page_did_set_document_in_main_frame(m_document);
|
||||
}
|
||||
|
||||
void Frame::set_size(const Gfx::IntSize& size)
|
||||
{
|
||||
if (m_size == size)
|
||||
return;
|
||||
m_size = size;
|
||||
if (m_document)
|
||||
m_document->update_layout();
|
||||
}
|
||||
|
||||
void Frame::set_viewport_scroll_offset(const Gfx::IntPoint& offset)
|
||||
{
|
||||
if (m_viewport_scroll_offset == offset)
|
||||
return;
|
||||
m_viewport_scroll_offset = offset;
|
||||
|
||||
if (m_document && m_document->layout_node())
|
||||
m_document->layout_node()->did_set_viewport_rect({}, viewport_rect());
|
||||
}
|
||||
|
||||
void Frame::set_needs_display(const Gfx::IntRect& rect)
|
||||
{
|
||||
if (!viewport_rect().intersects(rect))
|
||||
return;
|
||||
|
||||
if (is_main_frame()) {
|
||||
if (m_page)
|
||||
m_page->client().page_did_invalidate(to_main_frame_rect(rect));
|
||||
return;
|
||||
}
|
||||
|
||||
if (host_element() && host_element()->layout_node())
|
||||
host_element()->layout_node()->set_needs_display();
|
||||
}
|
||||
|
||||
void Frame::did_scroll(Badge<InProcessWebView>)
|
||||
{
|
||||
if (!m_document)
|
||||
return;
|
||||
if (!m_document->layout_node())
|
||||
return;
|
||||
m_document->layout_node()->for_each_in_subtree_of_type<Layout::WidgetBox>([&](auto& layout_widget) {
|
||||
layout_widget.update_widget();
|
||||
return IterationDecision::Continue;
|
||||
});
|
||||
}
|
||||
|
||||
void Frame::scroll_to_anchor(const String& fragment)
|
||||
{
|
||||
if (!document())
|
||||
return;
|
||||
|
||||
auto element = document()->get_element_by_id(fragment);
|
||||
if (!element) {
|
||||
auto candidates = document()->get_elements_by_name(fragment);
|
||||
for (auto& candidate : candidates) {
|
||||
if (is<HTML::HTMLAnchorElement>(candidate)) {
|
||||
element = downcast<HTML::HTMLAnchorElement>(candidate);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// FIXME: This is overly aggressive and should be something more like a "update_layout_if_needed()"
|
||||
document()->force_layout();
|
||||
|
||||
if (!element || !element->layout_node())
|
||||
return;
|
||||
|
||||
auto& layout_node = *element->layout_node();
|
||||
|
||||
Gfx::FloatRect float_rect { layout_node.box_type_agnostic_position(), { (float)viewport_rect().width(), (float)viewport_rect().height() } };
|
||||
if (is<Layout::Box>(layout_node)) {
|
||||
auto& layout_box = downcast<Layout::Box>(layout_node);
|
||||
auto padding_box = layout_box.box_model().padding_box();
|
||||
float_rect.move_by(-padding_box.left, -padding_box.top);
|
||||
}
|
||||
|
||||
if (m_page)
|
||||
m_page->client().page_did_request_scroll_into_view(enclosing_int_rect(float_rect));
|
||||
}
|
||||
|
||||
Gfx::IntRect Frame::to_main_frame_rect(const Gfx::IntRect& a_rect)
|
||||
{
|
||||
auto rect = a_rect;
|
||||
rect.set_location(to_main_frame_position(a_rect.location()));
|
||||
return rect;
|
||||
}
|
||||
|
||||
Gfx::IntPoint Frame::to_main_frame_position(const Gfx::IntPoint& a_position)
|
||||
{
|
||||
auto position = a_position;
|
||||
for (auto* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
|
||||
if (ancestor->is_main_frame())
|
||||
break;
|
||||
if (!ancestor->host_element())
|
||||
return {};
|
||||
if (!ancestor->host_element()->layout_node())
|
||||
return {};
|
||||
position.move_by(ancestor->host_element()->layout_node()->box_type_agnostic_position().to_type<int>());
|
||||
}
|
||||
return position;
|
||||
}
|
||||
|
||||
void Frame::set_cursor_position(const DOM::Position& position)
|
||||
{
|
||||
if (m_cursor_position == position)
|
||||
return;
|
||||
|
||||
if (m_cursor_position.node() && m_cursor_position.node()->layout_node())
|
||||
m_cursor_position.node()->layout_node()->set_needs_display();
|
||||
|
||||
m_cursor_position = position;
|
||||
|
||||
if (m_cursor_position.node() && m_cursor_position.node()->layout_node())
|
||||
m_cursor_position.node()->layout_node()->set_needs_display();
|
||||
|
||||
dbgln("Cursor position: {}", m_cursor_position);
|
||||
}
|
||||
|
||||
String Frame::selected_text() const
|
||||
{
|
||||
StringBuilder builder;
|
||||
if (!m_document)
|
||||
return {};
|
||||
auto* layout_root = m_document->layout_node();
|
||||
if (!layout_root)
|
||||
return {};
|
||||
if (!layout_root->selection().is_valid())
|
||||
return {};
|
||||
|
||||
auto selection = layout_root->selection().normalized();
|
||||
|
||||
if (selection.start().layout_node == selection.end().layout_node) {
|
||||
if (!is<Layout::TextNode>(*selection.start().layout_node))
|
||||
return "";
|
||||
return downcast<Layout::TextNode>(*selection.start().layout_node).text_for_rendering().substring(selection.start().index_in_node, selection.end().index_in_node - selection.start().index_in_node);
|
||||
}
|
||||
|
||||
// Start node
|
||||
auto layout_node = selection.start().layout_node;
|
||||
if (is<Layout::TextNode>(*layout_node)) {
|
||||
auto& text = downcast<Layout::TextNode>(*layout_node).text_for_rendering();
|
||||
builder.append(text.substring(selection.start().index_in_node, text.length() - selection.start().index_in_node));
|
||||
}
|
||||
|
||||
// Middle nodes
|
||||
layout_node = layout_node->next_in_pre_order();
|
||||
while (layout_node && layout_node != selection.end().layout_node) {
|
||||
if (is<Layout::TextNode>(*layout_node))
|
||||
builder.append(downcast<Layout::TextNode>(*layout_node).text_for_rendering());
|
||||
else if (is<Layout::BreakNode>(*layout_node) || is<Layout::BlockBox>(*layout_node))
|
||||
builder.append('\n');
|
||||
|
||||
layout_node = layout_node->next_in_pre_order();
|
||||
}
|
||||
|
||||
// End node
|
||||
ASSERT(layout_node == selection.end().layout_node);
|
||||
if (is<Layout::TextNode>(*layout_node)) {
|
||||
auto& text = downcast<Layout::TextNode>(*layout_node).text_for_rendering();
|
||||
builder.append(text.substring(0, selection.end().index_in_node));
|
||||
}
|
||||
|
||||
return builder.to_string();
|
||||
}
|
||||
|
||||
}
|
121
Userland/Libraries/LibWeb/Page/Frame.h
Normal file
121
Userland/Libraries/LibWeb/Page/Frame.h
Normal file
|
@ -0,0 +1,121 @@
|
|||
/*
|
||||
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <AK/Function.h>
|
||||
#include <AK/Noncopyable.h>
|
||||
#include <AK/RefPtr.h>
|
||||
#include <AK/WeakPtr.h>
|
||||
#include <LibCore/Timer.h>
|
||||
#include <LibGfx/Bitmap.h>
|
||||
#include <LibGfx/Rect.h>
|
||||
#include <LibGfx/Size.h>
|
||||
#include <LibWeb/DOM/Position.h>
|
||||
#include <LibWeb/Loader/FrameLoader.h>
|
||||
#include <LibWeb/Page/EventHandler.h>
|
||||
#include <LibWeb/TreeNode.h>
|
||||
|
||||
namespace Web {
|
||||
|
||||
class Frame : public TreeNode<Frame> {
|
||||
public:
|
||||
static NonnullRefPtr<Frame> create_subframe(DOM::Element& host_element, Frame& main_frame) { return adopt(*new Frame(host_element, main_frame)); }
|
||||
static NonnullRefPtr<Frame> create(Page& page) { return adopt(*new Frame(page)); }
|
||||
~Frame();
|
||||
|
||||
bool is_main_frame() const { return this == &m_main_frame; }
|
||||
bool is_focused_frame() const;
|
||||
|
||||
const DOM::Document* document() const { return m_document; }
|
||||
DOM::Document* document() { return m_document; }
|
||||
|
||||
void set_document(DOM::Document*);
|
||||
|
||||
Page* page() { return m_page; }
|
||||
const Page* page() const { return m_page; }
|
||||
|
||||
const Gfx::IntSize& size() const { return m_size; }
|
||||
void set_size(const Gfx::IntSize&);
|
||||
|
||||
void set_needs_display(const Gfx::IntRect&);
|
||||
|
||||
void set_viewport_scroll_offset(const Gfx::IntPoint&);
|
||||
Gfx::IntRect viewport_rect() const { return { m_viewport_scroll_offset, m_size }; }
|
||||
|
||||
void did_scroll(Badge<InProcessWebView>);
|
||||
|
||||
FrameLoader& loader() { return m_loader; }
|
||||
const FrameLoader& loader() const { return m_loader; }
|
||||
|
||||
EventHandler& event_handler() { return m_event_handler; }
|
||||
const EventHandler& event_handler() const { return m_event_handler; }
|
||||
|
||||
void scroll_to(const Gfx::IntPoint&);
|
||||
void scroll_to_anchor(const String&);
|
||||
|
||||
Frame& main_frame() { return m_main_frame; }
|
||||
const Frame& main_frame() const { return m_main_frame; }
|
||||
|
||||
DOM::Element* host_element() { return m_host_element; }
|
||||
const DOM::Element* host_element() const { return m_host_element; }
|
||||
|
||||
Gfx::IntPoint to_main_frame_position(const Gfx::IntPoint&);
|
||||
Gfx::IntRect to_main_frame_rect(const Gfx::IntRect&);
|
||||
|
||||
DOM::Position& cursor_position() { return m_cursor_position; }
|
||||
const DOM::Position& cursor_position() const { return m_cursor_position; }
|
||||
void set_cursor_position(const DOM::Position&);
|
||||
|
||||
bool cursor_blink_state() const { return m_cursor_blink_state; }
|
||||
|
||||
String selected_text() const;
|
||||
|
||||
void did_edit(Badge<EditEventHandler>);
|
||||
|
||||
private:
|
||||
explicit Frame(DOM::Element& host_element, Frame& main_frame);
|
||||
explicit Frame(Page&);
|
||||
|
||||
void setup();
|
||||
|
||||
WeakPtr<Page> m_page;
|
||||
Frame& m_main_frame;
|
||||
|
||||
FrameLoader m_loader;
|
||||
EventHandler m_event_handler;
|
||||
|
||||
WeakPtr<DOM::Element> m_host_element;
|
||||
RefPtr<DOM::Document> m_document;
|
||||
Gfx::IntSize m_size;
|
||||
Gfx::IntPoint m_viewport_scroll_offset;
|
||||
|
||||
DOM::Position m_cursor_position;
|
||||
RefPtr<Core::Timer> m_cursor_blink_timer;
|
||||
bool m_cursor_blink_state { false };
|
||||
};
|
||||
|
||||
}
|
95
Userland/Libraries/LibWeb/Page/Page.cpp
Normal file
95
Userland/Libraries/LibWeb/Page/Page.cpp
Normal file
|
@ -0,0 +1,95 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include <LibWeb/InProcessWebView.h>
|
||||
#include <LibWeb/Page/Frame.h>
|
||||
#include <LibWeb/Page/Page.h>
|
||||
|
||||
namespace Web {
|
||||
|
||||
Page::Page(PageClient& client)
|
||||
: m_client(client)
|
||||
{
|
||||
m_main_frame = Frame::create(*this);
|
||||
}
|
||||
|
||||
Page::~Page()
|
||||
{
|
||||
}
|
||||
|
||||
Frame& Page::focused_frame()
|
||||
{
|
||||
if (m_focused_frame)
|
||||
return *m_focused_frame;
|
||||
return main_frame();
|
||||
}
|
||||
|
||||
void Page::set_focused_frame(Badge<EventHandler>, Frame& frame)
|
||||
{
|
||||
m_focused_frame = frame.make_weak_ptr();
|
||||
}
|
||||
|
||||
void Page::load(const URL& url)
|
||||
{
|
||||
main_frame().loader().load(url, FrameLoader::Type::Navigation);
|
||||
}
|
||||
|
||||
void Page::load(const LoadRequest& request)
|
||||
{
|
||||
main_frame().loader().load(request, FrameLoader::Type::Navigation);
|
||||
}
|
||||
|
||||
void Page::load_html(const StringView& html, const URL& url)
|
||||
{
|
||||
main_frame().loader().load_html(html, url);
|
||||
}
|
||||
|
||||
Gfx::Palette Page::palette() const
|
||||
{
|
||||
return m_client.palette();
|
||||
}
|
||||
|
||||
bool Page::handle_mouseup(const Gfx::IntPoint& position, unsigned button, unsigned modifiers)
|
||||
{
|
||||
return main_frame().event_handler().handle_mouseup(position, button, modifiers);
|
||||
}
|
||||
|
||||
bool Page::handle_mousedown(const Gfx::IntPoint& position, unsigned button, unsigned modifiers)
|
||||
{
|
||||
return main_frame().event_handler().handle_mousedown(position, button, modifiers);
|
||||
}
|
||||
|
||||
bool Page::handle_mousemove(const Gfx::IntPoint& position, unsigned buttons, unsigned modifiers)
|
||||
{
|
||||
return main_frame().event_handler().handle_mousemove(position, buttons, modifiers);
|
||||
}
|
||||
|
||||
bool Page::handle_keydown(KeyCode key, unsigned modifiers, u32 code_point)
|
||||
{
|
||||
return focused_frame().event_handler().handle_keydown(key, modifiers, code_point);
|
||||
}
|
||||
|
||||
}
|
107
Userland/Libraries/LibWeb/Page/Page.h
Normal file
107
Userland/Libraries/LibWeb/Page/Page.h
Normal file
|
@ -0,0 +1,107 @@
|
|||
/*
|
||||
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
||||
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
||||
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
||||
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <AK/Noncopyable.h>
|
||||
#include <AK/OwnPtr.h>
|
||||
#include <AK/RefPtr.h>
|
||||
#include <AK/URL.h>
|
||||
#include <Kernel/API/KeyCode.h>
|
||||
#include <LibGUI/Window.h>
|
||||
#include <LibGfx/Forward.h>
|
||||
#include <LibGfx/Palette.h>
|
||||
#include <LibWeb/Forward.h>
|
||||
|
||||
namespace Web {
|
||||
|
||||
class PageClient;
|
||||
|
||||
class Page : public Weakable<Page> {
|
||||
AK_MAKE_NONCOPYABLE(Page);
|
||||
AK_MAKE_NONMOVABLE(Page);
|
||||
|
||||
public:
|
||||
explicit Page(PageClient&);
|
||||
~Page();
|
||||
|
||||
PageClient& client() { return m_client; }
|
||||
const PageClient& client() const { return m_client; }
|
||||
|
||||
Web::Frame& main_frame() { return *m_main_frame; }
|
||||
const Web::Frame& main_frame() const { return *m_main_frame; }
|
||||
|
||||
Web::Frame& focused_frame();
|
||||
const Web::Frame& focused_frame() const { return const_cast<Page*>(this)->focused_frame(); }
|
||||
|
||||
void set_focused_frame(Badge<EventHandler>, Frame&);
|
||||
|
||||
void load(const URL&);
|
||||
void load(const LoadRequest&);
|
||||
|
||||
void load_html(const StringView&, const URL&);
|
||||
|
||||
bool handle_mouseup(const Gfx::IntPoint&, unsigned button, unsigned modifiers);
|
||||
bool handle_mousedown(const Gfx::IntPoint&, unsigned button, unsigned modifiers);
|
||||
bool handle_mousemove(const Gfx::IntPoint&, unsigned buttons, unsigned modifiers);
|
||||
|
||||
bool handle_keydown(KeyCode, unsigned modifiers, u32 code_point);
|
||||
|
||||
Gfx::Palette palette() const;
|
||||
|
||||
private:
|
||||
PageClient& m_client;
|
||||
|
||||
RefPtr<Frame> m_main_frame;
|
||||
WeakPtr<Frame> m_focused_frame;
|
||||
};
|
||||
|
||||
class PageClient {
|
||||
public:
|
||||
virtual Gfx::Palette palette() const = 0;
|
||||
virtual void page_did_set_document_in_main_frame(DOM::Document*) { }
|
||||
virtual void page_did_change_title(const String&) { }
|
||||
virtual void page_did_start_loading(const URL&) { }
|
||||
virtual void page_did_finish_loading(const URL&) { }
|
||||
virtual void page_did_change_selection() { }
|
||||
virtual void page_did_request_cursor_change(Gfx::StandardCursor) { }
|
||||
virtual void page_did_request_context_menu(const Gfx::IntPoint&) { }
|
||||
virtual void page_did_request_link_context_menu(const Gfx::IntPoint&, const URL&, [[maybe_unused]] const String& target, [[maybe_unused]] unsigned modifiers) { }
|
||||
virtual void page_did_request_image_context_menu(const Gfx::IntPoint&, const URL&, [[maybe_unused]] const String& target, [[maybe_unused]] unsigned modifiers, const Gfx::Bitmap*) { }
|
||||
virtual void page_did_click_link(const URL&, [[maybe_unused]] const String& target, [[maybe_unused]] unsigned modifiers) { }
|
||||
virtual void page_did_middle_click_link(const URL&, [[maybe_unused]] const String& target, [[maybe_unused]] unsigned modifiers) { }
|
||||
virtual void page_did_enter_tooltip_area(const Gfx::IntPoint&, const String&) { }
|
||||
virtual void page_did_leave_tooltip_area() { }
|
||||
virtual void page_did_hover_link(const URL&) { }
|
||||
virtual void page_did_unhover_link() { }
|
||||
virtual void page_did_invalidate(const Gfx::IntRect&) { }
|
||||
virtual void page_did_change_favicon(const Gfx::Bitmap&) { }
|
||||
virtual void page_did_layout() { }
|
||||
virtual void page_did_request_scroll_into_view(const Gfx::IntRect&) { }
|
||||
virtual void page_did_request_alert(const String&) { }
|
||||
};
|
||||
|
||||
}
|
Loading…
Add table
Add a link
Reference in a new issue