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