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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
#define COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "components/plugins/renderer/webview_plugin.h"
#include "content/public/renderer/render_frame_observer.h"
#include "gin/handle.h"
#include "gin/wrappable.h"
#include "third_party/WebKit/public/web/WebKit.h"
#include "third_party/WebKit/public/web/WebPluginParams.h"
namespace plugins {
// This abstract class is the base class of all plugin placeholders.
class PluginPlaceholderBase : public content::RenderFrameObserver,
public WebViewPlugin::Delegate {
public:
// |render_frame| and |frame| are weak pointers. If either one is going away,
// our |plugin_| will be destroyed as well and will notify us.
PluginPlaceholderBase(content::RenderFrame* render_frame,
blink::WebLocalFrame* frame,
const blink::WebPluginParams& params,
const std::string& html_data);
~PluginPlaceholderBase() override;
WebViewPlugin* plugin() { return plugin_; }
protected:
blink::WebLocalFrame* GetFrame();
const blink::WebPluginParams& GetPluginParams() const;
// WebViewPlugin::Delegate methods:
void ShowContextMenu(const blink::WebMouseEvent&) override;
void PluginDestroyed() override;
v8::Local<v8::Object> GetV8ScriptableObject(
v8::Isolate* isolate) const override;
protected:
// Hide this placeholder.
void HidePlugin();
bool hidden() { return hidden_; }
// JavaScript callbacks:
void HideCallback();
private:
// RenderFrameObserver methods:
void OnDestruct() override;
blink::WebLocalFrame* frame_;
blink::WebPluginParams plugin_params_;
WebViewPlugin* plugin_;
bool hidden_;
DISALLOW_COPY_AND_ASSIGN(PluginPlaceholderBase);
};
// A basic placeholder that supports only hiding.
class PluginPlaceholder final : public PluginPlaceholderBase,
public gin::Wrappable<PluginPlaceholder> {
public:
static gin::WrapperInfo kWrapperInfo;
PluginPlaceholder(content::RenderFrame* render_frame,
blink::WebLocalFrame* frame,
const blink::WebPluginParams& params,
const std::string& html_data);
~PluginPlaceholder() override;
private:
// WebViewPlugin::Delegate methods:
v8::Local<v8::Value> GetV8Handle(v8::Isolate* isolate) final;
// gin::Wrappable method:
gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
v8::Isolate* isolate) override;
};
} // namespace plugins
#endif // COMPONENTS_PLUGINS_RENDERER_PLUGIN_PLACEHOLDER_H_