OLD | NEW |
| (Empty) |
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 CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_ | |
6 #define CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_ | |
7 | |
8 #include <atlbase.h> | |
9 #include <atlcom.h> | |
10 #include <atlctl.h> | |
11 | |
12 #include <set> | |
13 #include <string> | |
14 #include <vector> | |
15 | |
16 #include "chrome_frame/chrome_frame_activex_base.h" | |
17 #include "chrome_frame/chrome_tab.h" | |
18 #include "chrome_frame/com_type_info_holder.h" | |
19 #include "grit/chrome_frame_resources.h" | |
20 | |
21 // ChromeFrameActivex: Implementation of the ActiveX control that is | |
22 // responsible for hosting a chrome frame, i.e. an iframe like widget which | |
23 // hosts the the chrome window. This object delegates to Chrome.exe | |
24 // (via the Chrome IPC-based automation mechanism) for the actual rendering. | |
25 class ATL_NO_VTABLE ChromeFrameActivex | |
26 : public ChromeFrameActivexBase<ChromeFrameActivex, CLSID_ChromeFrame>, | |
27 public IObjectSafetyImpl<ChromeFrameActivex, | |
28 INTERFACESAFE_FOR_UNTRUSTED_CALLER | | |
29 INTERFACESAFE_FOR_UNTRUSTED_DATA>, | |
30 public IObjectWithSiteImpl<ChromeFrameActivex>, | |
31 public IPersistPropertyBag { | |
32 public: | |
33 typedef ChromeFrameActivexBase<ChromeFrameActivex, CLSID_ChromeFrame> Base; | |
34 ChromeFrameActivex(); | |
35 ~ChromeFrameActivex(); | |
36 | |
37 DECLARE_REGISTRY_RESOURCEID(IDR_CHROMEFRAME_ACTIVEX) | |
38 | |
39 BEGIN_COM_MAP(ChromeFrameActivex) | |
40 COM_INTERFACE_ENTRY(IObjectWithSite) | |
41 COM_INTERFACE_ENTRY(IObjectSafety) | |
42 COM_INTERFACE_ENTRY(IPersist) | |
43 COM_INTERFACE_ENTRY(IPersistPropertyBag) | |
44 COM_INTERFACE_ENTRY_CHAIN(Base) | |
45 END_COM_MAP() | |
46 | |
47 BEGIN_MSG_MAP(ChromeFrameActivex) | |
48 MESSAGE_HANDLER(WM_CREATE, OnCreate) | |
49 CHAIN_MSG_MAP(Base) | |
50 END_MSG_MAP() | |
51 | |
52 HRESULT FinalConstruct(); | |
53 | |
54 virtual HRESULT OnDraw(ATL_DRAWINFO& draw_info); // NOLINT | |
55 | |
56 // IPersistPropertyBag implementation | |
57 STDMETHOD(GetClassID)(CLSID* class_id) { | |
58 if (class_id != NULL) | |
59 *class_id = GetObjectCLSID(); | |
60 return S_OK; | |
61 } | |
62 | |
63 STDMETHOD(InitNew)() { | |
64 return S_OK; | |
65 } | |
66 | |
67 STDMETHOD(Load)(IPropertyBag* bag, IErrorLog* error_log); | |
68 | |
69 STDMETHOD(Save)(IPropertyBag* bag, BOOL clear_dirty, BOOL save_all) { | |
70 return E_NOTIMPL; | |
71 } | |
72 | |
73 // Used to setup the document_url_ member needed for completing navigation. | |
74 // Create external tab (possibly in incognito mode). | |
75 HRESULT IOleObject_SetClientSite(IOleClientSite* client_site); | |
76 | |
77 // Overridden to perform security checks. | |
78 STDMETHOD(put_src)(BSTR src); | |
79 | |
80 // IChromeFrame | |
81 // On a fresh install of ChromeFrame the BHO will not be loaded in existing | |
82 // IE tabs/windows. This function instantiates the BHO and registers it | |
83 // explicitly. | |
84 STDMETHOD(registerBhoIfNeeded)(); | |
85 | |
86 protected: | |
87 // ChromeFrameDelegate overrides | |
88 virtual void OnLoadFailed(int error_code, const std::string& url); | |
89 virtual void OnAutomationServerLaunchFailed( | |
90 AutomationLaunchResult reason, const std::string& server_version); | |
91 virtual void OnChannelError(); | |
92 | |
93 // Separated to static function for unit testing this logic more easily. | |
94 static bool ShouldShowVersionMismatchDialog(bool is_privileged, | |
95 IOleClientSite* client_site); | |
96 | |
97 private: | |
98 LRESULT OnCreate(UINT message, WPARAM wparam, LPARAM lparam, | |
99 BOOL& handled); // NO_LINT | |
100 | |
101 HRESULT GetContainingDocument(IHTMLDocument2** doc); | |
102 HRESULT GetDocumentWindow(IHTMLWindow2** window); | |
103 | |
104 // Gets the value of the 'id' attribute of the object element. | |
105 HRESULT GetObjectScriptId(IHTMLObjectElement* object_elem, BSTR* id); | |
106 | |
107 // Returns the object element in the HTML page. | |
108 // Note that if we're not being hosted inside an HTML | |
109 // document, then this call will fail. | |
110 HRESULT GetObjectElement(IHTMLObjectElement** element); | |
111 | |
112 HRESULT CreateScriptBlockForEvent(IHTMLElement2* insert_after, | |
113 BSTR instance_id, BSTR script, | |
114 BSTR event_name); | |
115 | |
116 // Utility function that checks the size of the vector and if > 0 creates | |
117 // a variant for the string argument and forwards the call to the other | |
118 // FireEvent method. | |
119 void FireEvent(const EventHandlers& handlers, const std::string& arg); | |
120 | |
121 // Invokes all registered handlers in a vector of event handlers. | |
122 void FireEvent(const EventHandlers& handlers, IDispatch* event); | |
123 | |
124 // This variant is used for the privatemessage handler only. | |
125 void FireEvent(const EventHandlers& handlers, IDispatch* event, | |
126 BSTR target); | |
127 | |
128 // Installs a hook on the top-level window hosting the control. | |
129 HRESULT InstallTopLevelHook(IOleClientSite* client_site); | |
130 | |
131 // A hook attached to the top-level window containing the ActiveX control. | |
132 HHOOK chrome_wndproc_hook_; | |
133 | |
134 // Set to true if the current instance is attaching to an existing Chrome | |
135 // tab. This occurs when a window.open request is performed by Chrome. | |
136 bool attaching_to_existing_cf_tab_; | |
137 }; | |
138 | |
139 #endif // CHROME_FRAME_CHROME_FRAME_ACTIVEX_H_ | |
OLD | NEW |