POSIX: bitmap data on the wire

chrome/common/render_messages.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 CHROME_COMMON_RENDER_MESSAGES_H_
 #define CHROME_COMMON_RENDER_MESSAGES_H_
 
 #include <string>
 #include <vector>
 #include <map>
 
 #include "base/basictypes.h"
+#include "base/gfx/native_widget_types.h"
 #include "base/ref_counted.h"
 #include "base/shared_memory.h"
+#include "chrome/common/bitmap_wire_data.h"
 #include "chrome/common/filter_policy.h"
 #include "chrome/common/ipc_message.h"
 #include "chrome/common/ipc_message_utils.h"
 #include "chrome/common/modal_dialog_event.h"
 #include "chrome/common/page_transition_types.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/upload_data.h"
 #include "net/url_request/url_request_status.h"
 #include "webkit/glue/autofill_form.h"
 #include "webkit/glue/cache_manager.h"
 #include "webkit/glue/context_node_types.h"
 #include "webkit/glue/form_data.h"
 #include "webkit/glue/password_form.h"
 #include "webkit/glue/password_form_dom_manager.h"
 #include "webkit/glue/resource_loader_bridge.h"
 #include "webkit/glue/screen_info.h"
 #include "webkit/glue/webdropdata.h"
 #include "webkit/glue/webplugin.h"
 #include "webkit/glue/webpreferences.h"
 #include "webkit/glue/webview_delegate.h"
 
+#if defined(OS_POSIX)
+#include "skia/include/SkBitmap.h"
+#endif
+
 // Parameters structure for ViewMsg_Navigate, which has too many data
 // parameters to be reasonably put in a predefined IPC message.
 struct ViewMsg_Navigate_Params {
   // The page_id for this navigation, or -1 if it is a new navigation.  Back,
   // Forward, and Reload navigations should have a valid page_id.  If the load
   // succeeds, then this page_id will be reflected in the resultant
   // ViewHostMsg_FrameNavigate message.
   int32 page_id;
 
   // The URL to load.
@@ skipping 137 matching lines @@
   }
   static bool is_restore_ack(int flags) {
     return (flags & IS_RESTORE_ACK) != 0;
   }
 
   static bool is_repaint_ack(int flags) {
     return (flags & IS_REPAINT_ACK) != 0;
   }
 };
 
-#if defined(OS_WIN)
-// TODO(port): Make these structs portable.
-
 struct ViewHostMsg_PaintRect_Params {
-  // The bitmap to be painted into the rect given by bitmap_rect.  Valid only
-  // in the context of the renderer process.
-  base::SharedMemoryHandle bitmap;
+  // The bitmap to be painted into the rect given by bitmap_rect.
+  BitmapWireData bitmap;
 
   // The position and size of the bitmap.
   gfx::Rect bitmap_rect;
 
   // The size of the RenderView when this message was generated.  This is
   // included so the host knows how large the view is from the perspective of
   // the renderer process.  This is necessary in case a resize operation is in
   // progress.
   gfx::Size view_size;
 
@@ skipping 11 matching lines @@
   // If flags is zero, then this message corresponds to an unsoliticed paint
   // request by the render view.  Both of the above bits may be set in flags,
   // which would indicate that this paint message is an ACK for multiple
   // request messages.
   int flags;
 };
 
 // Parameters structure for ViewHostMsg_ScrollRect, which has too many data
 // parameters to be reasonably put in a predefined IPC message.
 struct ViewHostMsg_ScrollRect_Params {
-  // The bitmap to be painted into the rect exposed by scrolling.  This handle
-  // is valid only in the context of the renderer process.
-  base::SharedMemoryHandle bitmap;
+  // The bitmap to be painted into the rect exposed by scrolling.
+  BitmapWireData bitmap;
 
   // The position and size of the bitmap.
   gfx::Rect bitmap_rect;
 
   // The scroll offset.  Only one of these can be non-zero.
   int dx;
   int dy;
 
   // The rectangular region to scroll.
   gfx::Rect clip_rect;
 
   // The size of the RenderView when this message was generated.
   gfx::Size view_size;
 
   // New window locations for plugin child windows.
   std::vector<WebPluginGeometry> plugin_window_moves;
 };
-#endif  // defined(OS_WIN)
 
 // Parameters structure for ViewMsg_UploadFile.
 struct ViewMsg_UploadFile_Params {
   // See WebContents::StartFileUpload for a description of these fields.
   std::wstring file_path;
   std::wstring form;
   std::wstring file;
   std::wstring submit;
   std::wstring other_values;
 };
@@ skipping 698 matching lines @@
       ReadParam(m, iter, &p->dictionary_suggestions) &&
       ReadParam(m, iter, &p->spellcheck_enabled) &&
       ReadParam(m, iter, &p->edit_flags) &&
       ReadParam(m, iter, &p->security_info);
   }
   static void Log(const param_type& p, std::wstring* l) {
     l->append(L"<ViewHostMsg_ContextMenu_Params>");
   }
 };
 
-#if defined(OS_WIN)
-// TODO(port): Make these messages portable.
-
 // Traits for ViewHostMsg_PaintRect_Params structure to pack/unpack.
 template <>
 struct ParamTraits<ViewHostMsg_PaintRect_Params> {
   typedef ViewHostMsg_PaintRect_Params param_type;
   static void Write(Message* m, const param_type& p) {
     WriteParam(m, p.bitmap);
     WriteParam(m, p.bitmap_rect);
     WriteParam(m, p.view_size);
     WriteParam(m, p.plugin_window_moves);
     WriteParam(m, p.flags);
@@ skipping 88 matching lines @@
     LogParam(p.window_rect, l);
     l->append(L", ");
     LogParam(p.clip_rect, l);
     l->append(L", ");
     LogParam(p.cutout_rects, l);
     l->append(L", ");
     LogParam(p.visible, l);
     l->append(L")");
   }
 };
-#endif  // defined(OS_WIN)
 
 // Traits for ViewMsg_GetPlugins_Reply structure to pack/unpack.
 template <>
 struct ParamTraits<WebPluginMimeType> {
   typedef WebPluginMimeType param_type;
   static void Write(Message* m, const param_type& p) {
     WriteParam(m, p.mime_type);
     WriteParam(m, p.file_extensions);
     WriteParam(m, p.description);
   }
@@ skipping 639 matching lines @@
   static bool Read(const Message* m, void** iter, param_type* p) {
     return true;
   }
 #endif
 
   static void Log(const param_type& p, std::wstring* l) {
     l->append(L"<ModalDialogEvent>");
   }
 };
 
+#if defined(OS_POSIX)
+
+// TODO(port): this shouldn't exist. However, the plugin stuff is really using
+// HWNDS (NativeView), and making Windows calls based on them. I've not figured
+// out the deal with plugins yet.
+template <>
+struct ParamTraits<gfx::NativeView> {
+  typedef gfx::NativeView param_type;
+  static void Write(Message* m, const param_type& p) {
+    NOTIMPLEMENTED();
+  }
+
+  static bool Read(const Message* m, void** iter, param_type* p) {
+    NOTIMPLEMENTED();
+    *p = NULL;
+    return true;
+  }
+
+  static void Log(const param_type& p, std::wstring* l) {
+    l->append(StringPrintf(L"<gfx::NativeView>"));
+  }
+};
+
+#endif  // defined(OS_POSIX)
+
 }  // namespace IPC
 
 #endif  // CHROME_COMMON_RENDER_MESSAGES_H_