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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_ | 5 #ifndef CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_ |
6 #define CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_ | 6 #define CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_ |
7 #pragma once | 7 #pragma once |
8 | 8 |
9 #include "build/build_config.h" | 9 // TODO(jam): remove this file when all files have been converted. |
10 | 10 #include "content/browser/plugin_process_host.h" |
11 #include <queue> | |
12 #include <set> | |
13 #include <string> | |
14 #include <vector> | |
15 | |
16 #include "base/basictypes.h" | |
17 #include "base/ref_counted.h" | |
18 #include "chrome/browser/browser_child_process_host.h" | |
19 #include "chrome/browser/net/resolve_proxy_msg_helper.h" | |
20 #include "ui/gfx/native_widget_types.h" | |
21 #include "webkit/plugins/npapi/webplugininfo.h" | |
22 | |
23 namespace gfx { | |
24 class Rect; | |
25 } | |
26 | |
27 namespace IPC { | |
28 struct ChannelHandle; | |
29 } | |
30 | |
31 class GURL; | |
32 | |
33 // Represents the browser side of the browser <--> plugin communication | |
34 // channel. Different plugins run in their own process, but multiple instances | |
35 // of the same plugin run in the same process. There will be one | |
36 // PluginProcessHost per plugin process, matched with a corresponding | |
37 // PluginProcess running in the plugin process. The browser is responsible for | |
38 // starting the plugin process when a plugin is created that doesn't already | |
39 // have a process. After that, most of the communication is directly between | |
40 // the renderer and plugin processes. | |
41 class PluginProcessHost : public BrowserChildProcessHost, | |
42 public ResolveProxyMsgHelper::Delegate { | |
43 public: | |
44 class Client { | |
45 public: | |
46 // Returns a opaque unique identifier for the process requesting | |
47 // the channel. | |
48 virtual int ID() = 0; | |
49 virtual bool OffTheRecord() = 0; | |
50 virtual void SetPluginInfo(const webkit::npapi::WebPluginInfo& info) = 0; | |
51 // The client should delete itself when one of these methods is called. | |
52 virtual void OnChannelOpened(const IPC::ChannelHandle& handle) = 0; | |
53 virtual void OnError() = 0; | |
54 | |
55 protected: | |
56 virtual ~Client() {} | |
57 }; | |
58 | |
59 PluginProcessHost(); | |
60 virtual ~PluginProcessHost(); | |
61 | |
62 // Initialize the new plugin process, returning true on success. This must | |
63 // be called before the object can be used. | |
64 bool Init(const webkit::npapi::WebPluginInfo& info, const std::string& locale)
; | |
65 | |
66 // Force the plugin process to shutdown (cleanly). | |
67 virtual void ForceShutdown(); | |
68 | |
69 virtual bool OnMessageReceived(const IPC::Message& msg); | |
70 virtual void OnChannelConnected(int32 peer_pid); | |
71 virtual void OnChannelError(); | |
72 | |
73 // ResolveProxyMsgHelper::Delegate implementation: | |
74 virtual void OnResolveProxyCompleted(IPC::Message* reply_msg, | |
75 int result, | |
76 const std::string& proxy_list); | |
77 | |
78 // Tells the plugin process to create a new channel for communication with a | |
79 // renderer. When the plugin process responds with the channel name, | |
80 // OnChannelOpened in the client is called. | |
81 void OpenChannelToPlugin(Client* client); | |
82 | |
83 // This function is called on the IO thread once we receive a reply from the | |
84 // modal HTML dialog (in the form of a JSON string). This function forwards | |
85 // that reply back to the plugin that requested the dialog. | |
86 void OnModalDialogResponse(const std::string& json_retval, | |
87 IPC::Message* sync_result); | |
88 | |
89 #if defined(OS_MACOSX) | |
90 // This function is called on the IO thread when the browser becomes the | |
91 // active application. | |
92 void OnAppActivation(); | |
93 #endif | |
94 | |
95 const webkit::npapi::WebPluginInfo& info() const { return info_; } | |
96 | |
97 #if defined(OS_WIN) | |
98 // Tracks plugin parent windows created on the browser UI thread. | |
99 void AddWindow(HWND window); | |
100 #endif | |
101 | |
102 private: | |
103 friend class PluginResolveProxyHelper; | |
104 | |
105 // Sends a message to the plugin process to request creation of a new channel | |
106 // for the given mime type. | |
107 void RequestPluginChannel(Client* client); | |
108 | |
109 virtual void OnProcessLaunched(); | |
110 | |
111 // Message handlers. | |
112 void OnChannelCreated(const IPC::ChannelHandle& channel_handle); | |
113 void OnGetPluginFinderUrl(std::string* plugin_finder_url); | |
114 void OnGetCookies(uint32 request_context, const GURL& url, | |
115 std::string* cookies); | |
116 void OnAccessFiles(int renderer_id, const std::vector<std::string>& files, | |
117 bool* allowed); | |
118 void OnResolveProxy(const GURL& url, IPC::Message* reply_msg); | |
119 void OnPluginMessage(const std::vector<uint8>& data); | |
120 | |
121 #if defined(OS_WIN) | |
122 void OnPluginWindowDestroyed(HWND window, HWND parent); | |
123 void OnDownloadUrl(const std::string& url, int source_child_unique_id, | |
124 gfx::NativeWindow caller_window); | |
125 #endif | |
126 | |
127 #if defined(USE_X11) | |
128 void OnMapNativeViewId(gfx::NativeViewId id, gfx::PluginWindowHandle* output); | |
129 #endif | |
130 | |
131 #if defined(OS_MACOSX) | |
132 void OnPluginSelectWindow(uint32 window_id, gfx::Rect window_rect, | |
133 bool modal); | |
134 void OnPluginShowWindow(uint32 window_id, gfx::Rect window_rect, | |
135 bool modal); | |
136 void OnPluginHideWindow(uint32 window_id, gfx::Rect window_rect); | |
137 void OnPluginSetCursorVisibility(bool visible); | |
138 #endif | |
139 | |
140 virtual bool CanShutdown(); | |
141 | |
142 void CancelRequests(); | |
143 | |
144 // These are channel requests that we are waiting to send to the | |
145 // plugin process once the channel is opened. | |
146 std::vector<Client*> pending_requests_; | |
147 | |
148 // These are the channel requests that we have already sent to | |
149 // the plugin process, but haven't heard back about yet. | |
150 std::queue<Client*> sent_requests_; | |
151 | |
152 // Information about the plugin. | |
153 webkit::npapi::WebPluginInfo info_; | |
154 | |
155 // Helper class for handling PluginProcessHost_ResolveProxy messages (manages | |
156 // the requests to the proxy service). | |
157 ResolveProxyMsgHelper resolve_proxy_msg_helper_; | |
158 | |
159 #if defined(OS_WIN) | |
160 // Tracks plugin parent windows created on the UI thread. | |
161 std::set<HWND> plugin_parent_windows_set_; | |
162 #endif | |
163 #if defined(OS_MACOSX) | |
164 // Tracks plugin windows currently visible. | |
165 std::set<uint32> plugin_visible_windows_set_; | |
166 // Tracks full screen windows currently visible. | |
167 std::set<uint32> plugin_fullscreen_windows_set_; | |
168 // Tracks modal windows currently visible. | |
169 std::set<uint32> plugin_modal_windows_set_; | |
170 // Tracks the current visibility of the cursor. | |
171 bool plugin_cursor_visible_; | |
172 #endif | |
173 | |
174 DISALLOW_COPY_AND_ASSIGN(PluginProcessHost); | |
175 }; | |
176 | 11 |
177 #endif // CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_ | 12 #endif // CHROME_BROWSER_PLUGIN_PROCESS_HOST_H_ |
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