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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/renderer/font_prewarmer.h"
#include "content/public/renderer/render_frame.h"
#include "third_party/blink/public/platform/web_font_prewarmer.h"
#include "third_party/blink/public/web/web_local_frame.h"
#include "third_party/blink/public/web/win/web_font_rendering.h"
// static
void FontPrewarmer::Bind(
mojo::PendingReceiver<chrome::mojom::FontPrewarmer> pending_receiver) {
new FontPrewarmer(std::move(pending_receiver));
}
void FontPrewarmer::PrewarmFonts(const std::vector<std::string>& font_names) {
blink::WebFontPrewarmer* prewarmer =
blink::WebFontRendering::GetFontPrewarmer();
// `prewarmer` is not always present, such as in --single-process.
if (!prewarmer)
return;
for (const std::string& font_name : font_names) {
prewarmer->PrewarmFamily(blink::WebString::FromUTF8(font_name));
}
}
FontPrewarmer::FontPrewarmer(
mojo::PendingReceiver<chrome::mojom::FontPrewarmer> pending_receiver)
: receiver_(this, std::move(pending_receiver)) {
receiver_.set_disconnect_handler(
base::BindOnce(&FontPrewarmer::OnDisconnect, base::Unretained(this)));
}
FontPrewarmer::~FontPrewarmer() = default;
void FontPrewarmer::OnDisconnect() {
delete this;
}
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