Linux plugins WIP.

webkit/glue/plugins/webplugin_delegate_impl.h

 // Copyright (c) 2006-2008 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_GLUE_PLUGIN_WEBPLUGIN_DELEGATE_IMPL_H__
 #define WEBKIT_GLUE_PLUGIN_WEBPLUGIN_DELEGATE_IMPL_H__
 
+#include "build/build_config.h"
+
 #include <string>
 #include <list>
 
 #include "base/file_path.h"
 #include "base/gfx/native_widget_types.h"
 #include "base/ref_counted.h"
 #include "base/task.h"
 #include "third_party/npapi/bindings/npapi.h"
 #include "webkit/glue/webplugin_delegate.h"
 #include "webkit/glue/webcursor.h"
 
 namespace NPAPI {
   class PluginInstance;
 };
 
 // An implementation of WebPluginDelegate that proxies all calls to
 // the plugin process.
 class WebPluginDelegateImpl : public WebPluginDelegate {
  public:
   static WebPluginDelegateImpl* Create(const FilePath& filename,
                                        const std::string& mime_type,
                                        gfx::NativeView containing_view);
+#if defined(OS_WIN)
   static bool IsPluginDelegateWindow(HWND window);
   static bool GetPluginNameFromWindow(HWND window, std::wstring *plugin_name);
 
   // Returns true if the window handle passed in is that of the dummy
   // activation window for windowless plugins.
   static bool IsDummyActivationWindow(HWND window);
+#endif  // OS_WIN)
 
   // WebPluginDelegate implementation
   virtual void PluginDestroyed();
   virtual bool Initialize(const GURL& url,
                           char** argn,
                           char** argv,
                           int argc,
                           WebPlugin* plugin,
                           bool load_manually);
   virtual void UpdateGeometry(const gfx::Rect& window_rect,
                               const gfx::Rect& clip_rect);
+#if defined(OS_WIN)
   virtual void Paint(HDC hdc, const gfx::Rect& rect);
   virtual void Print(HDC hdc);
+#else
+  // TODO(port): temporary workaround.
+  virtual void Paint(void* dc, const gfx::Rect& rect);
+  virtual void Print(void* dc);
+#endif
   virtual void SetFocus();  // only called when windowless
 // only called when windowless
   virtual bool HandleEvent(NPEvent* event,
                            WebCursor* cursor);
   virtual NPObject* GetPluginScriptableObject();
   virtual void DidFinishLoadWithReason(NPReason reason);
   virtual int GetProcessId();
 
   virtual void FlushGeometryUpdates() {
   }
@@ skipping 16 matching lines @@
                                                         bool notify_needed,
                                                         void *notify_data,
                                                         void* stream);
 
   virtual void URLRequestRouted(const std::string&url, bool notify_needed,
                                 void* notify_data);
   bool windowless() const { return windowless_ ; }
   gfx::Rect rect() const { return window_rect_; }
   gfx::Rect clip_rect() const { return clip_rect_; }
 
+#if defined(OS_WIN)
   enum PluginQuirks {
     PLUGIN_QUIRK_SETWINDOW_TWICE = 1,
     PLUGIN_QUIRK_THROTTLE_WM_USER_PLUS_ONE = 2,
     PLUGIN_QUIRK_DONT_CALL_WND_PROC_RECURSIVELY = 4,
     PLUGIN_QUIRK_DONT_SET_NULL_WINDOW_HANDLE_ON_DESTROY = 8,
     PLUGIN_QUIRK_DONT_ALLOW_MULTIPLE_INSTANCES = 16,
     PLUGIN_QUIRK_DIE_AFTER_UNLOAD = 32,
     PLUGIN_QUIRK_PATCH_TRACKPOPUP_MENU = 64,
     PLUGIN_QUIRK_PATCH_SETCURSOR = 128,
     PLUGIN_QUIRK_BLOCK_NONSTANDARD_GETURL_REQUESTS = 256,
   };
+#endif
 
   int quirks() { return quirks_; }
 
  private:
   WebPluginDelegateImpl(gfx::NativeView containing_view,
                         NPAPI::PluginInstance *instance);
   ~WebPluginDelegateImpl();
 
   //--------------------------
   // used for windowed plugins
   void WindowedUpdateGeometry(const gfx::Rect& window_rect,
                               const gfx::Rect& clip_rect);
   // Create the native window.
   // Returns true if the window is created (or already exists).
   // Returns false if unable to create the window.
   bool WindowedCreatePlugin();
 
   // Destroy the native window.
   void WindowedDestroyWindow();
 
   // Reposition the native window to be in sync with the given geometry.
   // Returns true if the native window has moved or been clipped differently.
   bool WindowedReposition(const gfx::Rect& window_rect,
                           const gfx::Rect& clip_rect);
 
   // Tells the plugin about the current state of the window.
   // See NPAPI NPP_SetWindow for more information.
   void WindowedSetWindow();
 
+#if defined(OS_WIN)
   // Registers the window class for our window
   ATOM RegisterNativeWindowClass();
 
   // Our WndProc functions.
   static LRESULT CALLBACK DummyWindowProc(
       HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam);
   static LRESULT CALLBACK NativeWndProc(
       HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
   static LRESULT CALLBACK FlashWindowlessWndProc(
       HWND hwnd, UINT message, WPARAM wparam, LPARAM lparam);
 
   // Used for throttling Flash messages.
   static void ClearThrottleQueueForWindow(HWND window);
   static void OnThrottleMessage();
   static void ThrottleMessage(WNDPROC proc, HWND hwnd, UINT message,
       WPARAM wParam, LPARAM lParam);
+#endif
 
   //----------------------------
   // used for windowless plugins
   void WindowlessUpdateGeometry(const gfx::Rect& window_rect,
                                 const gfx::Rect& clip_rect);
+#if defined(OS_WIN)
   void WindowlessPaint(HDC hdc, const gfx::Rect& rect);
+#else
+  // TODO(port): implement.
+  void WindowlessPaint(void* dc, const gfx::Rect& rect);
+#endif
 
   // Tells the plugin about the current state of the window.
   // See NPAPI NPP_SetWindow for more information.
   void WindowlessSetWindow(bool force_set_window);
 
 
   //-----------------------------------------
   // used for windowed and windowless plugins
 
   NPAPI::PluginInstance* instance() { return instance_.get(); }
 
   // Closes down and destroys our plugin instance.
   void DestroyInstance();
 
   // used for windowed plugins
-  HWND windowed_handle_;
+  gfx::NativeView windowed_handle_;
+#if defined(OS_WIN)
   bool windowed_did_set_window_;
   gfx::Rect windowed_last_pos_;
+#endif
 
+#if defined(OS_WIN)
   // this is an optimization to avoid calling SetWindow to the plugin
   // when it is not necessary.  Initially, we need to call SetWindow,
   // and after that we only need to call it when the geometry changes.
   // use this flag to indicate whether we really need it or not.
   bool windowless_needs_set_window_;
+#endif
 
   // used by windowed and windowless plugins
   bool windowless_;
 
   WebPlugin* plugin_;
   scoped_refptr<NPAPI::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;
+#endif // OS_WIN
 
-  HWND parent_;
+  gfx::NativeView parent_;
   NPWindow window_;
   gfx::Rect window_rect_;
   gfx::Rect clip_rect_;
   std::vector<gfx::Rect> cutout_rects_;
   int quirks_;
 
+#if defined(OS_WIN)
   // Windowless plugins don't have keyboard focus causing issues with the
   // plugin not receiving keyboard events if the plugin enters a modal
   // loop like TrackPopupMenuEx or MessageBox, etc.
   // This is a basic issue with windows activation and focus arising due to
   // the fact that these windows are created by different threads. Activation
   // and focus are thread specific states, and if the browser has focus,
   // the plugin may not have focus.
   // To fix a majority of these activation issues we create a dummy visible
   // child window to which we set focus whenever the windowless plugin
   // receives a WM_LBUTTONDOWN/WM_RBUTTONDOWN message via NPP_HandleEvent.
   HWND dummy_window_for_activation_;
   bool CreateDummyWindowForActivation();
 
   // Returns true if the event passed in needs to be tracked for a potential
   // modal loop.
   static bool ShouldTrackEventForModalLoops(NPEvent* event);
 
   // The message filter hook procedure, which tracks modal loops entered by
   // a plugin in the course of a NPP_HandleEvent call.
   static LRESULT CALLBACK HandleEventMessageFilterHook(int code, WPARAM wParam,
                                                        LPARAM lParam);
-
+#endif
   // Called by the message filter hook when the plugin enters a modal loop.
   void OnModalLoopEntered();
 
   // Returns true if the message passed in corresponds to a user gesture.
   static bool IsUserGestureMessage(unsigned int message);
 
   // Indicates the end of a user gesture period.
   void OnUserGestureEnd();
 
+  // The url with which the plugin was instantiated.
+  std::string plugin_url_;
+
+#if defined(OS_WIN)
   // Handle to the message filter hook
   HHOOK handle_event_message_filter_hook_;
 
   // Event which is set when the plugin enters a modal loop in the course
   // of a NPP_HandleEvent call.
   HANDLE handle_event_pump_messages_event_;
 
   // Holds the depth of the HandleEvent callstack.
   int handle_event_depth_;
 
   // This flag indicates whether we started tracking a user gesture message.
   bool user_gesture_message_posted_;
 
   // Runnable Method Factory used to invoke the OnUserGestureEnd method
   // asynchronously.
   ScopedRunnableMethodFactory<WebPluginDelegateImpl> user_gesture_msg_factory_;
 
-  // The url with which the plugin was instantiated.
-  std::string plugin_url_;
-
   // The plugin module handle.
   HMODULE plugin_module_handle_;
 
   // TrackPopupMenu interceptor. Parameters are the same as the Win32 function
   // TrackPopupMenu.
   static BOOL WINAPI TrackPopupMenuPatch(HMENU menu, unsigned int flags, int x,
                                          int y, int reserved, HWND window,
                                          const RECT* rect);
 
   // SetCursor interceptor for windowless plugins.
   static HCURSOR WINAPI SetCursorPatch(HCURSOR cursor);
 
   // Holds the current cursor set by the windowless plugin.
   WebCursor current_windowless_cursor_;
+#endif
 
   DISALLOW_EVIL_CONSTRUCTORS(WebPluginDelegateImpl);
 };
 
 #endif  // #ifndef WEBKIT_GLUE_PLUGIN_WEBPLUGIN_DELEGATE_IMPL_H__