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// Copyright 2026 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SURFACE_EMBED_RENDERER_SURFACE_EMBED_WEB_PLUGIN_H_
#define COMPONENTS_SURFACE_EMBED_RENDERER_SURFACE_EMBED_WEB_PLUGIN_H_
#include "base/containers/span.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/scoped_refptr.h"
#include "cc/layers/solid_color_layer.h"
#include "third_party/blink/public/web/web_plugin.h"
#include "ui/gfx/geometry/rect.h"
namespace blink {
struct WebPluginParams;
} // namespace blink
namespace content {
class RenderFrame;
}
namespace surface_embed {
// WebPlugin implementation that embeds a WebContents surface, identified via
// the `kInternalPluginMimeType` mime type and the data-content-id attribute on
// an <embed> element. The 1:1 browser process counterpart is the
// SurfaceEmbedHost.
class SurfaceEmbedWebPlugin : public blink::WebPlugin {
public:
static SurfaceEmbedWebPlugin* Create(content::RenderFrame* render_frame,
const blink::WebPluginParams& params);
~SurfaceEmbedWebPlugin() override;
SurfaceEmbedWebPlugin(const SurfaceEmbedWebPlugin&) = delete;
SurfaceEmbedWebPlugin& operator=(const SurfaceEmbedWebPlugin&) = delete;
// blink::WebPlugin implementation:
bool Initialize(blink::WebPluginContainer* container) override;
void Destroy() override;
blink::WebPluginContainer* Container() const override;
void UpdateAllLifecyclePhases(blink::DocumentUpdateReason reason) override;
void Paint(cc::PaintCanvas* canvas, const gfx::Rect& rect) override;
void UpdateGeometry(const gfx::Rect& window_rect,
const gfx::Rect& clip_rect,
const gfx::Rect& unobscured_rect,
bool is_visible) override;
void UpdateFocus(bool focused, blink::mojom::FocusType focus_type) override;
void UpdateVisibility(bool visible) override;
blink::WebInputEventResult HandleInputEvent(
const blink::WebCoalescedInputEvent& event,
ui::Cursor* cursor) override;
void DidReceiveResponse(const blink::WebURLResponse& response) override;
void DidReceiveData(base::span<const char> data) override;
void DidFinishLoading() override;
void DidFailLoading(const blink::WebURLError& error) override;
private:
SurfaceEmbedWebPlugin(content::RenderFrame* render_frame,
const blink::WebPluginParams& params);
raw_ptr<blink::WebPluginContainer> container_ = nullptr;
scoped_refptr<cc::SolidColorLayer> layer_;
gfx::Rect plugin_rect_;
};
} // namespace surface_embed
#endif // COMPONENTS_SURFACE_EMBED_RENDERER_SURFACE_EMBED_WEB_PLUGIN_H_
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