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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_BROWSER_WEBUI_WEB_UI_H_ | |
| 6 #define CONTENT_BROWSER_WEBUI_WEB_UI_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <map> | |
| 10 | |
| 11 #include "base/compiler_specific.h" | |
| 12 #include "content/public/browser/web_ui.h" | |
| 13 #include "ipc/ipc_channel.h" | |
| 14 | |
| 15 class RenderViewHost; | |
| 16 | |
| 17 class CONTENT_EXPORT WebUI : public content::WebUI, | |
| 18 public IPC::Channel::Listener { | |
| 19 public: | |
| 20 explicit WebUI(content::WebContents* contents); | |
| 21 virtual ~WebUI(); | |
| 22 | |
| 23 // Called by TabContents when the RenderView is first created. This is *not* | |
| 24 // called for every page load because in some cases RenderViewHostManager will | |
| 25 // reuse RenderView instances. | |
| 26 void RenderViewCreated(RenderViewHost* render_view_host); | |
| 27 | |
| 28 // WebUI implementation: | |
| 29 virtual content::WebContents* GetWebContents() const OVERRIDE; | |
| 30 virtual content::WebUIController* GetController() const OVERRIDE; | |
| 31 virtual void SetController(content::WebUIController* controller) OVERRIDE; | |
| 32 virtual bool ShouldHideFavicon() const OVERRIDE; | |
| 33 virtual void HideFavicon() OVERRIDE; | |
| 34 virtual bool ShouldFocusLocationBarByDefault() const OVERRIDE; | |
| 35 virtual void FocusLocationBarByDefault() OVERRIDE; | |
| 36 virtual bool ShouldHideURL() const OVERRIDE; | |
| 37 virtual void HideURL() OVERRIDE; | |
| 38 virtual const string16& GetOverriddenTitle() const OVERRIDE; | |
| 39 virtual void OverrideTitle(const string16& title) OVERRIDE; | |
| 40 virtual content::PageTransition GetLinkTransitionType() const OVERRIDE; | |
| 41 virtual void SetLinkTransitionType(content::PageTransition type) OVERRIDE; | |
| 42 virtual int GetBindings() const OVERRIDE; | |
| 43 virtual void SetBindings(int bindings) OVERRIDE; | |
| 44 virtual void SetFrameXPath(const std::string& xpath) OVERRIDE; | |
| 45 virtual void AddMessageHandler( | |
| 46 content::WebUIMessageHandler* handler) OVERRIDE; | |
| 47 typedef base::Callback<void(const base::ListValue*)> MessageCallback; | |
| 48 virtual void RegisterMessageCallback( | |
| 49 const std::string& message, | |
| 50 const MessageCallback& callback) OVERRIDE; | |
| 51 virtual void ProcessWebUIMessage(const GURL& source_url, | |
| 52 const std::string& message, | |
| 53 const base::ListValue& args) OVERRIDE; | |
| 54 virtual void CallJavascriptFunction( | |
| 55 const std::string& function_name) OVERRIDE; | |
| 56 virtual void CallJavascriptFunction(const std::string& function_name, | |
| 57 const base::Value& arg) OVERRIDE; | |
| 58 virtual void CallJavascriptFunction(const std::string& function_name, | |
| 59 const base::Value& arg1, | |
| 60 const base::Value& arg2) OVERRIDE; | |
| 61 virtual void CallJavascriptFunction(const std::string& function_name, | |
| 62 const base::Value& arg1, | |
| 63 const base::Value& arg2, | |
| 64 const base::Value& arg3) OVERRIDE; | |
| 65 virtual void CallJavascriptFunction(const std::string& function_name, | |
| 66 const base::Value& arg1, | |
| 67 const base::Value& arg2, | |
| 68 const base::Value& arg3, | |
| 69 const base::Value& arg4) OVERRIDE; | |
| 70 virtual void CallJavascriptFunction( | |
| 71 const std::string& function_name, | |
| 72 const std::vector<const base::Value*>& args) OVERRIDE; | |
| 73 | |
| 74 // IPC::Channel::Listener implementation: | |
| 75 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; | |
| 76 | |
| 77 private: | |
| 78 // IPC message handling. | |
| 79 void OnWebUISend(const GURL& source_url, | |
| 80 const std::string& message, | |
| 81 const base::ListValue& args); | |
| 82 | |
| 83 // Execute a string of raw Javascript on the page. | |
| 84 void ExecuteJavascript(const string16& javascript); | |
| 85 | |
| 86 // A map of message name -> message handling callback. | |
| 87 typedef std::map<std::string, MessageCallback> MessageCallbackMap; | |
| 88 MessageCallbackMap message_callbacks_; | |
| 89 | |
| 90 // Options that may be overridden by individual Web UI implementations. The | |
| 91 // bool options default to false. See the public getters for more information. | |
| 92 bool hide_favicon_; | |
| 93 bool focus_location_bar_by_default_; | |
| 94 bool should_hide_url_; | |
| 95 string16 overridden_title_; // Defaults to empty string. | |
| 96 content::PageTransition link_transition_type_; // Defaults to LINK. | |
| 97 int bindings_; // The bindings from BindingsPolicy that should be enabled for | |
| 98 // this page. | |
| 99 | |
| 100 // The WebUIMessageHandlers we own. | |
| 101 std::vector<content::WebUIMessageHandler*> handlers_; | |
| 102 | |
| 103 // Non-owning pointer to the WebContents this WebUI is associated with. | |
| 104 content::WebContents* web_contents_; | |
| 105 | |
| 106 // The path for the iframe this WebUI is embedded in (empty if not in an | |
| 107 // iframe). | |
| 108 std::string frame_xpath_; | |
| 109 | |
| 110 scoped_ptr<content::WebUIController> controller_; | |
| 111 | |
| 112 DISALLOW_COPY_AND_ASSIGN(WebUI); | |
| 113 }; | |
| 114 | |
| 115 #endif // CONTENT_BROWSER_WEBUI_WEB_UI_H_ | |
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