| OLD | NEW |
| 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_ |
| OLD | NEW |