electron/shell/browser/web_view_guest_delegate.h
2019-06-19 17:33:28 -07:00

60 lines
1.9 KiB
C++

// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef SHELL_BROWSER_WEB_VIEW_GUEST_DELEGATE_H_
#define SHELL_BROWSER_WEB_VIEW_GUEST_DELEGATE_H_
#include "content/public/browser/browser_plugin_guest_delegate.h"
#include "shell/browser/web_contents_zoom_controller.h"
namespace electron {
namespace api {
class WebContents;
}
class WebViewGuestDelegate : public content::BrowserPluginGuestDelegate,
public WebContentsZoomController::Observer {
public:
WebViewGuestDelegate(content::WebContents* embedder,
api::WebContents* api_web_contents);
~WebViewGuestDelegate() override;
// Attach to the iframe.
void AttachToIframe(content::WebContents* embedder_web_contents,
int embedder_frame_id);
protected:
// content::BrowserPluginGuestDelegate:
void DidDetach() final;
content::WebContents* GetOwnerWebContents() const final;
content::RenderWidgetHost* GetOwnerRenderWidgetHost() final;
content::SiteInstance* GetOwnerSiteInstance() final;
content::WebContents* CreateNewGuestWindow(
const content::WebContents::CreateParams& create_params) final;
// WebContentsZoomController::Observer:
void OnZoomLevelChanged(content::WebContents* web_contents,
double level,
bool is_temporary) override;
void OnZoomControllerWebContentsDestroyed() override;
private:
void ResetZoomController();
// The WebContents that attaches this guest view.
content::WebContents* embedder_web_contents_ = nullptr;
// The zoom controller of the embedder that is used
// to subscribe for zoom changes.
WebContentsZoomController* embedder_zoom_controller_ = nullptr;
api::WebContents* api_web_contents_ = nullptr;
DISALLOW_COPY_AND_ASSIGN(WebViewGuestDelegate);
};
} // namespace electron
#endif // SHELL_BROWSER_WEB_VIEW_GUEST_DELEGATE_H_