First pass at making the proxy handle multiple renderers. This associates the...

ppapi/proxy/ppb_graphics_2d_proxy.cc

 // Copyright (c) 2010 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.
 
 #include "ppapi/proxy/ppb_graphics_2d_proxy.h"
 
 #include <string.h>  // For memset.
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/pp_resource.h"
 #include "ppapi/c/ppb_graphics_2d.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
 #include "ppapi/proxy/plugin_resource.h"
 #include "ppapi/proxy/ppapi_messages.h"
 
 namespace pp {
 namespace proxy {
 
 class Graphics2D : public PluginResource {
  public:
-  Graphics2D(const PP_Size& size, PP_Bool is_always_opaque)
-      : size_(size),
+  Graphics2D(PP_Instance instance,
+             const PP_Size& size,
+             PP_Bool is_always_opaque)
+      : PluginResource(instance),
+        size_(size),
         is_always_opaque_(is_always_opaque),
         current_flush_callback_(PP_BlockUntilComplete()) {
   }
 
   // Resource overrides.
   virtual Graphics2D* AsGraphics2D() { return this; }
 
   const PP_Size& size() const { return size_; }
   PP_Bool is_always_opaque() const { return is_always_opaque_; }
 
@@ skipping 15 matching lines @@
   PP_CompletionCallback current_flush_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Graphics2D);
 };
 
 namespace {
 
 PP_Resource Create(PP_Instance instance,
                    const PP_Size* size,
                    PP_Bool is_always_opaque) {
-  PluginDispatcher* dispatcher = PluginDispatcher::Get();
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
+  if (!dispatcher)
+    return PP_ERROR_BADARGUMENT;
+
   PP_Resource result = 0;
   dispatcher->Send(new PpapiHostMsg_PPBGraphics2D_Create(
       INTERFACE_ID_PPB_GRAPHICS_2D, instance, *size, is_always_opaque,
       &result));
   if (result) {
-    linked_ptr<Graphics2D> graphics_2d(new Graphics2D(*size, is_always_opaque));
-    dispatcher->plugin_resource_tracker()->AddResource(result, graphics_2d);
+    linked_ptr<Graphics2D> graphics_2d(new Graphics2D(instance, *size,
+                                                      is_always_opaque));
+    PluginResourceTracker::GetInstance()->AddResource(result, graphics_2d);
   }
   return result;
 }
 
 PP_Bool IsGraphics2D(PP_Resource resource) {
   Graphics2D* object = PluginResource::GetAs<Graphics2D>(resource);
   return BoolToPPBool(!!object);
 }
 
 PP_Bool Describe(PP_Resource graphics_2d,
                  PP_Size* size,
                  PP_Bool* is_always_opaque) {
   Graphics2D* object = PluginResource::GetAs<Graphics2D>(graphics_2d);
   if (!object) {
     size->width = 0;
     size->height = 0;
     *is_always_opaque = PP_FALSE;
     return PP_FALSE;
   }
 
   *size = object->size();
   *is_always_opaque = object->is_always_opaque();
   return PP_TRUE;
 }
 
 void PaintImageData(PP_Resource graphics_2d,
                     PP_Resource image_data,
                     const PP_Point* top_left,
                     const PP_Rect* src_rect) {
+  Graphics2D* object = PluginResource::GetAs<Graphics2D>(graphics_2d);
+  if (!object)
+    return;
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(
+      object->instance());
+  if (!dispatcher)
+    return;
+
   PP_Rect dummy;
   memset(&dummy, 0, sizeof(PP_Rect));
-  PluginDispatcher::Get()->Send(new PpapiHostMsg_PPBGraphics2D_PaintImageData(
+  dispatcher->Send(new PpapiHostMsg_PPBGraphics2D_PaintImageData(
       INTERFACE_ID_PPB_GRAPHICS_2D, graphics_2d, image_data, *top_left,
       !!src_rect, src_rect ? *src_rect : dummy));
 }
 
 void Scroll(PP_Resource graphics_2d,
             const PP_Rect* clip_rect,
             const PP_Point* amount) {
+  Graphics2D* object = PluginResource::GetAs<Graphics2D>(graphics_2d);
+  if (!object)
+    return;
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(
+      object->instance());
+  if (!dispatcher)
+    return;
+
   PP_Rect dummy;
   memset(&dummy, 0, sizeof(PP_Rect));
-  PluginDispatcher::Get()->Send(new PpapiHostMsg_PPBGraphics2D_Scroll(
+  dispatcher->Send(new PpapiHostMsg_PPBGraphics2D_Scroll(
       INTERFACE_ID_PPB_GRAPHICS_2D, graphics_2d, !!clip_rect,
       clip_rect ? *clip_rect : dummy, *amount));
 }
 
 void ReplaceContents(PP_Resource graphics_2d, PP_Resource image_data) {
-  PluginDispatcher::Get()->Send(new PpapiHostMsg_PPBGraphics2D_ReplaceContents(
+  Graphics2D* object = PluginResource::GetAs<Graphics2D>(graphics_2d);
+  if (!object)
+    return;
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(
+      object->instance());
+  if (!dispatcher)
+    return;
+
+  dispatcher->Send(new PpapiHostMsg_PPBGraphics2D_ReplaceContents(
       INTERFACE_ID_PPB_GRAPHICS_2D, graphics_2d, image_data));
 }
 
 int32_t Flush(PP_Resource graphics_2d,
               PP_CompletionCallback callback) {
   Graphics2D* object = PluginResource::GetAs<Graphics2D>(graphics_2d);
   if (!object)
     return PP_ERROR_BADRESOURCE;
+  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(
+      object->instance());
+  if (!dispatcher)
+    return PP_ERROR_FAILED;
 
   // For now, disallow blocking calls. We'll need to add support for other
   // threads to this later.
   if (!callback.func)
     return PP_ERROR_BADARGUMENT;
 
   if (object->is_flush_pending())
     return PP_ERROR_INPROGRESS;  // Can't have >1 flush pending.
   object->set_current_flush_callback(callback);
 
-  PluginDispatcher::Get()->Send(new PpapiHostMsg_PPBGraphics2D_Flush(
+  dispatcher->Send(new PpapiHostMsg_PPBGraphics2D_Flush(
       INTERFACE_ID_PPB_GRAPHICS_2D, graphics_2d));
   return PP_ERROR_WOULDBLOCK;
 }
 
 const PPB_Graphics2D ppb_graphics_2d = {
   &Create,
   &IsGraphics2D,
   &Describe,
   &PaintImageData,
   &Scroll,
@@ skipping 104 matching lines @@
 }
 
 void PPB_Graphics2D_Proxy::SendFlushACKToPlugin(int32_t result,
                                                 PP_Resource graphics_2d) {
   dispatcher()->Send(new PpapiMsg_PPBGraphics2D_FlushACK(
       INTERFACE_ID_PPB_GRAPHICS_2D, graphics_2d, result));
 }
 
 }  // namespace proxy
 }  // namespace pp