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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 CHROME_FRAME_CHROME_FRAME_PLUGIN_H_ | |
6 #define CHROME_FRAME_CHROME_FRAME_PLUGIN_H_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/memory/ref_counted.h" | |
12 #include "base/win/win_util.h" | |
13 #include "chrome_frame/chrome_frame_automation.h" | |
14 #include "chrome/common/chrome_paths.h" | |
15 #include "chrome/common/chrome_paths_internal.h" | |
16 #include "chrome_frame/simple_resource_loader.h" | |
17 #include "chrome_frame/navigation_constraints.h" | |
18 #include "chrome_frame/utils.h" | |
19 #include "grit/chromium_strings.h" | |
20 | |
21 #define IDC_ABOUT_CHROME_FRAME 40018 | |
22 | |
23 // A class to implement common functionality for all types of | |
24 // plugins: ActiveX and ActiveDoc | |
25 template <typename T> | |
26 class ChromeFramePlugin | |
27 : public ChromeFrameDelegateImpl, | |
28 public NavigationConstraintsImpl { | |
29 public: | |
30 ChromeFramePlugin() : ignore_setfocus_(false){ | |
31 } | |
32 ~ChromeFramePlugin() { | |
33 Uninitialize(); | |
34 } | |
35 | |
36 BEGIN_MSG_MAP(T) | |
37 MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus) | |
38 MESSAGE_HANDLER(WM_PARENTNOTIFY, OnParentNotify) | |
39 END_MSG_MAP() | |
40 | |
41 bool Initialize() { | |
42 DVLOG(1) << __FUNCTION__; | |
43 DCHECK(!automation_client_.get()); | |
44 automation_client_ = CreateAutomationClient(); | |
45 if (!automation_client_.get()) { | |
46 NOTREACHED() << "new ChromeFrameAutomationClient"; | |
47 return false; | |
48 } | |
49 | |
50 return true; | |
51 } | |
52 | |
53 void Uninitialize() { | |
54 DVLOG(1) << __FUNCTION__; | |
55 if (IsValid()) { | |
56 automation_client_->Uninitialize(); | |
57 automation_client_ = NULL; | |
58 } | |
59 } | |
60 | |
61 bool InitializeAutomation(const std::wstring& profile_name, | |
62 bool incognito, bool is_widget_mode, | |
63 const GURL& url, const GURL& referrer, | |
64 bool route_all_top_level_navigations) { | |
65 DCHECK(IsValid()); | |
66 DCHECK(launch_params_ == NULL); | |
67 // We don't want to do incognito when privileged, since we're | |
68 // running in browser chrome or some other privileged context. | |
69 bool incognito_mode = !is_privileged() && incognito; | |
70 base::FilePath profile_path; | |
71 GetProfilePath(profile_name, &profile_path); | |
72 // The profile name could change based on the browser version. For e.g. for | |
73 // IE6/7 the profile is created in a different folder whose last component | |
74 // is Google Chrome Frame. | |
75 base::FilePath actual_profile_name = profile_path.BaseName(); | |
76 launch_params_ = new ChromeFrameLaunchParams(url, referrer, profile_path, | |
77 actual_profile_name.value(), SimpleResourceLoader::GetLanguage(), | |
78 incognito_mode, is_widget_mode, route_all_top_level_navigations); | |
79 return automation_client_->Initialize(this, launch_params_); | |
80 } | |
81 | |
82 // ChromeFrameDelegate implementation | |
83 virtual WindowType GetWindow() const { | |
84 return (static_cast<const T*>(this))->m_hWnd; | |
85 } | |
86 | |
87 virtual void GetBounds(RECT* bounds) { | |
88 if (bounds) { | |
89 if (::IsWindow(GetWindow())) { | |
90 (static_cast<T*>(this))->GetClientRect(bounds); | |
91 } | |
92 } | |
93 } | |
94 virtual std::string GetDocumentUrl() { | |
95 return document_url_; | |
96 } | |
97 virtual void OnAutomationServerReady() { | |
98 } | |
99 | |
100 virtual bool IsValid() const { | |
101 return automation_client_.get() != NULL; | |
102 } | |
103 | |
104 protected: | |
105 LRESULT OnSetFocus(UINT message, WPARAM wparam, LPARAM lparam, | |
106 BOOL& handled) { // NO_LINT | |
107 return 0; | |
108 } | |
109 | |
110 LRESULT OnParentNotify(UINT message, WPARAM wparam, LPARAM lparam, | |
111 BOOL& handled) { // NO_LINT | |
112 switch (LOWORD(wparam)) { | |
113 case WM_LBUTTONDOWN: | |
114 case WM_MBUTTONDOWN: | |
115 case WM_RBUTTONDOWN: | |
116 case WM_XBUTTONDOWN: { | |
117 // If we got activated via mouse click on the external tab, | |
118 // we need to update the state of this thread and tell the | |
119 // browser that we now have the focus. | |
120 HWND focus = ::GetFocus(); | |
121 HWND plugin_window = GetWindow(); | |
122 | |
123 // The Chrome-Frame instance may have launched a popup which currently | |
124 // has focus. Because experimental extension popups are top-level | |
125 // windows, we have to check that the focus has shifted to a window | |
126 // that does not share the same GA_ROOTOWNER as the plugin. | |
127 if (focus != plugin_window && | |
128 ::GetAncestor(plugin_window, GA_ROOTOWNER) != | |
129 ::GetAncestor(focus, GA_ROOTOWNER)) { | |
130 ignore_setfocus_ = true; | |
131 SetFocus(plugin_window); | |
132 ignore_setfocus_ = false; | |
133 } | |
134 break; | |
135 } | |
136 } | |
137 | |
138 return 0; | |
139 } | |
140 | |
141 // Return true if context menu should be displayed. The menu could be | |
142 // modified as well (enable/disable commands, add/remove items). | |
143 // Override in most-derived class if needed. | |
144 bool PreProcessContextMenu(HMENU menu) { | |
145 // Add an "About" item. | |
146 AppendMenu(menu, MF_STRING, IDC_ABOUT_CHROME_FRAME, | |
147 SimpleResourceLoader::Get(IDS_CHROME_FRAME_MENU_ABOUT).c_str()); | |
148 return true; | |
149 } | |
150 | |
151 // Allow overriding the type of automation client used, for unit tests. | |
152 virtual ChromeFrameAutomationClient* CreateAutomationClient() { | |
153 return new ChromeFrameAutomationClient; | |
154 } | |
155 | |
156 virtual void GetProfilePath(const std::wstring& profile_name, | |
157 base::FilePath* profile_path) { | |
158 return GetChromeFrameProfilePath(profile_name, profile_path); | |
159 } | |
160 | |
161 protected: | |
162 // Our gateway to chrome land | |
163 scoped_refptr<ChromeFrameAutomationClient> automation_client_; | |
164 | |
165 // How we launched Chrome. | |
166 scoped_refptr<ChromeFrameLaunchParams> launch_params_; | |
167 | |
168 // Url of the containing document. | |
169 std::string document_url_; | |
170 | |
171 // We set this flag when we're taking the focus ourselves | |
172 // and notifying the host browser that we're doing so. | |
173 // When the flag is not set, we transfer the focus to chrome. | |
174 bool ignore_setfocus_; | |
175 }; | |
176 | |
177 #endif // CHROME_FRAME_CHROME_FRAME_PLUGIN_H_ | |
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