LibWeb: Rename directory LibHTML => LibWeb

Let's rename this to LibWeb since it aims to provide more parts of the web platform than just HTML. :^)
2025-05-20 14:05:08 +00:00 · 2020-03-07 10:32:51 +01:00 · 2020-03-07 10:32:51 +01:00 · 830a57c6b2
commit 830a57c6b2
parent 7a6c4a72d5
158 changed files with 360 additions and 360 deletions
--- a/Libraries/LibWeb/DOM/HTMLImageElement.cpp
+++ b/Libraries/LibWeb/DOM/HTMLImageElement.cpp
@ -0,0 +1,127 @@
+/*
+ * 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 <LibGfx/Bitmap.h>
+#include <LibGfx/ImageDecoder.h>
+#include <LibWeb/CSS/StyleResolver.h>
+#include <LibWeb/DOM/Document.h>
+#include <LibWeb/DOM/HTMLImageElement.h>
+#include <LibWeb/Layout/LayoutImage.h>
+#include <LibWeb/ResourceLoader.h>
+
+namespace Web {
+
+HTMLImageElement::HTMLImageElement(Document& document, const String& tag_name)
+    : HTMLElement(document, tag_name)
+{
+}
+
+HTMLImageElement::~HTMLImageElement()
+{
+}
+
+void HTMLImageElement::parse_attribute(const String& name, const String& value)
+{
+    if (name.equals_ignoring_case("src"))
+        load_image(value);
+}
+
+void HTMLImageElement::load_image(const String& src)
+{
+    URL src_url = document().complete_url(src);
+    ResourceLoader::the().load(src_url, [this, weak_element = make_weak_ptr()](auto data) {
+        if (!weak_element) {
+            dbg() << "HTMLImageElement: Load completed after element destroyed.";
+            return;
+        }
+        if (data.is_null()) {
+            dbg() << "HTMLImageElement: Failed to load " << this->src();
+            return;
+        }
+
+        m_encoded_data = data;
+        m_image_decoder = Gfx::ImageDecoder::create(m_encoded_data.data(), m_encoded_data.size());
+        document().update_layout();
+    });
+}
+
+int HTMLImageElement::preferred_width() const
+{
+    bool ok = false;
+    int width = attribute("width").to_int(ok);
+    if (ok)
+        return width;
+
+    if (m_image_decoder)
+        return m_image_decoder->width();
+
+    return 0;
+}
+
+int HTMLImageElement::preferred_height() const
+{
+    bool ok = false;
+    int height = attribute("height").to_int(ok);
+    if (ok)
+        return height;
+
+    if (m_image_decoder)
+        return m_image_decoder->height();
+
+    return 0;
+}
+
+RefPtr<LayoutNode> HTMLImageElement::create_layout_node(const StyleProperties* parent_style) const
+{
+    auto style = document().style_resolver().resolve_style(*this, parent_style);
+    auto display = style->string_or_fallback(CSS::PropertyID::Display, "inline");
+    if (display == "none")
+        return nullptr;
+    return adopt(*new LayoutImage(*this, move(style)));
+}
+
+const Gfx::Bitmap* HTMLImageElement::bitmap() const
+{
+    if (!m_image_decoder)
+        return nullptr;
+    return m_image_decoder->bitmap();
+}
+
+void HTMLImageElement::set_volatile(Badge<LayoutDocument>, bool v)
+{
+    if (!m_image_decoder)
+        return;
+    if (v) {
+        m_image_decoder->set_volatile();
+        return;
+    }
+    bool has_image = m_image_decoder->set_nonvolatile();
+    if (has_image)
+        return;
+    m_image_decoder = Gfx::ImageDecoder::create(m_encoded_data.data(), m_encoded_data.size());
+}
+
+}