Send IME events to windowless plug-ins (Chromium side)

webkit/plugins/npapi/webplugin_delegate_impl.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_
 #define WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_
 
 #include <string>
 #include <list>
 
@@ skipping 37 matching lines @@
 class PluginInstance;
 
 #if defined(OS_MACOSX)
 class WebPluginAcceleratedSurface;
 class ExternalDragTracker;
 #ifndef NP_NO_QUICKDRAW
 class QuickDrawDrawingManager;
 #endif  // NP_NO_QUICKDRAW
 #endif  // OS_MACOSX
 
+#if defined(OS_WIN)
+class WebPluginIMEWin;
+#endif  // OS_WIN
+
 // An implementation of WebPluginDelegate that runs in the plugin process,
 // proxied from the renderer by WebPluginDelegateProxy.
 class WebPluginDelegateImpl : public WebPluginDelegate {
  public:
   enum PluginQuirks {
     PLUGIN_QUIRK_SETWINDOW_TWICE = 1,  // Win32
     PLUGIN_QUIRK_THROTTLE_WM_USER_PLUS_ONE = 2,  // Win32
     PLUGIN_QUIRK_DONT_CALL_WND_PROC_RECURSIVELY = 4,  // Win32
     PLUGIN_QUIRK_DONT_SET_NULL_WINDOW_HANDLE_ON_DESTROY = 8,  // Win32
     PLUGIN_QUIRK_DONT_ALLOW_MULTIPLE_INSTANCES = 16,  // Win32
     PLUGIN_QUIRK_DIE_AFTER_UNLOAD = 32,  // Win32
     PLUGIN_QUIRK_PATCH_SETCURSOR = 64,  // Win32
     PLUGIN_QUIRK_BLOCK_NONSTANDARD_GETURL_REQUESTS = 128,  // Win32
     PLUGIN_QUIRK_WINDOWLESS_OFFSET_WINDOW_TO_DRAW = 256,  // Linux
     PLUGIN_QUIRK_WINDOWLESS_INVALIDATE_AFTER_SET_WINDOW = 512,  // Linux
     PLUGIN_QUIRK_NO_WINDOWLESS = 1024,  // Windows
     PLUGIN_QUIRK_PATCH_REGENUMKEYEXW = 2048,  // Windows
     PLUGIN_QUIRK_ALWAYS_NOTIFY_SUCCESS = 4096,  // Windows
     PLUGIN_QUIRK_ALLOW_FASTER_QUICKDRAW_PATH = 8192,  // Mac
     PLUGIN_QUIRK_HANDLE_MOUSE_CAPTURE = 16384,  // Windows
     PLUGIN_QUIRK_WINDOWLESS_NO_RIGHT_CLICK = 32768,  // Linux
     PLUGIN_QUIRK_IGNORE_FIRST_SETWINDOW_CALL = 65536,  // Windows.
     PLUGIN_QUIRK_REPARENT_IN_BROWSER = 131072,  // Windows
     PLUGIN_QUIRK_PATCH_GETKEYSTATE = 262144,  // Windows
+    PLUGIN_QUIRK_EMULATE_IME = 524288,  // Windows.
   };
 
   static WebPluginDelegateImpl* Create(const FilePath& filename,
                                        const std::string& mime_type,
                                        gfx::PluginWindowHandle containing_view);
 
   static bool IsPluginDelegateWindow(gfx::NativeWindow window);
   static bool GetPluginNameFromWindow(gfx::NativeWindow window,
                                       string16* plugin_name);
 
@@ skipping 43 matching lines @@
 
   // Returns the path for the library implementing this plugin.
   FilePath GetPluginPath();
 
   // Returns a combination of PluginQuirks.
   int GetQuirks() const { return quirks_; }
 
   // Informs the plugin that the view it is in has gained or lost focus.
   void SetContentAreaHasFocus(bool has_focus);
 
+#if defined(OS_WIN)
+  // Informs the plug-in that an IME has changed its status.
+  void ImeCompositionUpdated(const string16& text,
+                             const std::vector<int>& clauses,
+                             const std::vector<int>& target,
+                             int cursor_position);
+
+  // Informs the plugin that IME composition has completed./ If |text| is empty,
+  // IME was cancelled.
+  void ImeCompositionCompleted(const string16& text);
+
+  // Returns the IME status retrieved from a plug-in.
+  bool GetIMEStatus(int* input_type, gfx::Rect* caret_rect);
+#endif
+
 #if defined(OS_MACOSX)
   // Informs the plugin that the geometry has changed, as with UpdateGeometry,
   // but also includes the new buffer context for that new geometry.
   void UpdateGeometryAndContext(const gfx::Rect& window_rect,
                                 const gfx::Rect& clip_rect,
                                 gfx::NativeDrawingContext context);
   // Informs the delegate that the plugin called NPN_Invalidate*. Used as a
   // trigger for Core Animation drawing.
   void PluginDidInvalidate();
   // Returns the delegate currently processing events.
@@ skipping 156 matching lines @@
   WebPlugin* plugin_;
   scoped_refptr<PluginInstance> instance_;
 
 #if defined(OS_WIN)
   // Original wndproc before we subclassed.
   WNDPROC plugin_wnd_proc_;
 
   // Used to throttle WM_USER+1 messages in Flash.
   uint32 last_message_;
   bool is_calling_wndproc;
+
+  // An IME emulator used by a windowless plug-in to retrieve IME data through
+  // IMM32 functions.
+  scoped_ptr<WebPluginIMEWin> plugin_ime_;
 #endif  // defined(OS_WIN)
 
 #if defined(USE_X11)
   // The SHM pixmap for a windowless plugin.
   XID windowless_shm_pixmap_;
 #endif
 
 #if defined(TOOLKIT_USES_GTK)
   // The pixmap we're drawing into, for a windowless plugin.
   GdkPixmap* pixmap_;
@@ skipping 51 matching lines @@
   static HCURSOR WINAPI SetCursorPatch(HCURSOR cursor);
 
   // GetKeyStatePatch interceptor for UIPI Flash plugin.
   static SHORT WINAPI GetKeyStatePatch(int vkey);
 
   // RegEnumKeyExW interceptor.
   static LONG WINAPI RegEnumKeyExWPatch(
       HKEY key, DWORD index, LPWSTR name, LPDWORD name_size, LPDWORD reserved,
       LPWSTR class_name, LPDWORD class_size, PFILETIME last_write_time);
 
+  // GetProcAddress intercepter for windowless plugins.
+  static FARPROC WINAPI GetProcAddressPatch(HMODULE module, LPCSTR name);
+
   // The mouse hook proc which handles mouse capture in windowed plugins.
   static LRESULT CALLBACK MouseHookProc(int code, WPARAM wParam,
                                         LPARAM lParam);
 
   // Calls SetCapture/ReleaseCapture based on the message type.
   static void HandleCaptureForMessage(HWND window, UINT message);
 
 #elif defined(OS_MACOSX)
   // Sets window_rect_ to |rect|
   void SetPluginRect(const gfx::Rect& rect);
@@ skipping 121 matching lines @@
   // True if NPP_New did not return an error.
   bool creation_succeeded_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginDelegateImpl);
 };
 
 }  // namespace npapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_NPAPI_WEBPLUGIN_DELEGATE_IMPL_H_