electron/atom/browser/web_view_manager.h
Kevin Sawicki 03c6fbf80f 🎨
2016-05-25 10:20:00 -07:00

71 lines
2.3 KiB
C++

// Copyright (c) 2014 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#ifndef ATOM_BROWSER_WEB_VIEW_MANAGER_H_
#define ATOM_BROWSER_WEB_VIEW_MANAGER_H_
#include <map>
#include "content/public/browser/browser_plugin_guest_manager.h"
#include "content/public/browser/web_contents.h"
namespace atom {
class WebViewManager : public content::BrowserPluginGuestManager {
public:
WebViewManager();
~WebViewManager() override;
void AddGuest(int guest_instance_id,
int element_instance_id,
content::WebContents* embedder,
content::WebContents* web_contents);
void RemoveGuest(int guest_instance_id);
content::WebContents* GetEmbedder(int guest_instance_id);
static WebViewManager* GetWebViewManager(content::WebContents* web_contents);
protected:
// content::BrowserPluginGuestManager:
content::WebContents* GetGuestByInstanceID(int owner_process_id,
int element_instance_id) override;
bool ForEachGuest(content::WebContents* embedder,
const GuestCallback& callback) override;
private:
struct WebContentsWithEmbedder {
content::WebContents* web_contents;
content::WebContents* embedder;
};
// guest_instance_id => (web_contents, embedder)
std::map<int, WebContentsWithEmbedder> web_contents_embedder_map_;
struct ElementInstanceKey {
int embedder_process_id;
int element_instance_id;
ElementInstanceKey(int embedder_process_id, int element_instance_id)
: embedder_process_id(embedder_process_id),
element_instance_id(element_instance_id) {}
bool operator<(const ElementInstanceKey& other) const {
if (embedder_process_id != other.embedder_process_id)
return embedder_process_id < other.embedder_process_id;
return element_instance_id < other.element_instance_id;
}
bool operator==(const ElementInstanceKey& other) const {
return (embedder_process_id == other.embedder_process_id) &&
(element_instance_id == other.element_instance_id);
}
};
// (embedder_process_id, element_instance_id) => guest_instance_id
std::map<ElementInstanceKey, int> element_instance_id_to_guest_map_;
DISALLOW_COPY_AND_ASSIGN(WebViewManager);
};
} // namespace atom
#endif // ATOM_BROWSER_WEB_VIEW_MANAGER_H_