Migrate Graphics2D to new design.

ppapi/proxy/ppb_graphics_2d_proxy.cc

Index: ppapi/proxy/ppb_graphics_2d_proxy.cc
diff --git a/ppapi/proxy/ppb_graphics_2d_proxy.cc b/ppapi/proxy/ppb_graphics_2d_proxy.cc
deleted file mode 100644
index 4b05fe87f8d9abf0b30cc08333d2990f510857a3..0000000000000000000000000000000000000000
--- a/ppapi/proxy/ppb_graphics_2d_proxy.cc
+++ /dev/null
@@ -1,314 +0,0 @@
-// Copyright (c) 2012 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/enter_proxy.h"
-#include "ppapi/proxy/plugin_dispatcher.h"
-#include "ppapi/proxy/plugin_resource_tracker.h"
-#include "ppapi/proxy/ppapi_messages.h"
-#include "ppapi/proxy/ppb_image_data_proxy.h"
-#include "ppapi/shared_impl/tracked_callback.h"
-#include "ppapi/thunk/enter.h"
-#include "ppapi/thunk/ppb_graphics_2d_api.h"
-#include "ppapi/thunk/thunk.h"
-
-using ppapi::thunk::PPB_Graphics2D_API;
-
-namespace ppapi {
-namespace proxy {
-
-class Graphics2D : public Resource, public thunk::PPB_Graphics2D_API {
- public:
-  Graphics2D(const HostResource& host_resource,
-             const PP_Size& size,
-             PP_Bool is_always_opaque);
-  virtual ~Graphics2D();
-
-  // Resource.
-  virtual PPB_Graphics2D_API* AsPPB_Graphics2D_API();
-
-  // PPB_Graphics_2D_API.
-  PP_Bool Describe(PP_Size* size, PP_Bool* is_always_opaque);
-  void PaintImageData(PP_Resource image_data,
-                      const PP_Point* top_left,
-                      const PP_Rect* src_rect);
-  void Scroll(const PP_Rect* clip_rect,
-              const PP_Point* amount);
-  void ReplaceContents(PP_Resource image_data);
-  bool SetScale(float scale);
-  float GetScale();
-  int32_t Flush(scoped_refptr<TrackedCallback> callback,
-                PP_Resource* old_image_data);
-
-  // Notification that the host has sent an ACK for a pending Flush.
-  void FlushACK(int32_t result_code);
-
- private:
-  PluginDispatcher* GetDispatcher() const {
-    return PluginDispatcher::GetForResource(this);
-  }
-
-  static const ApiID kApiID = API_ID_PPB_GRAPHICS_2D;
-
-  PP_Size size_;
-  PP_Bool is_always_opaque_;
-  float scale_;
-
-  // In the plugin, this is the current callback set for Flushes. When the
-  // callback is pending, we're waiting for a flush ACK.
-  scoped_refptr<TrackedCallback> current_flush_callback_;
-
-  DISALLOW_COPY_AND_ASSIGN(Graphics2D);
-};
-
-Graphics2D::Graphics2D(const HostResource& host_resource,
-                       const PP_Size& size,
-                       PP_Bool is_always_opaque)
-    : Resource(OBJECT_IS_PROXY, host_resource),
-      size_(size),
-      is_always_opaque_(is_always_opaque),
-      scale_(1.0f) {
-}
-
-Graphics2D::~Graphics2D() {
-}
-
-PPB_Graphics2D_API* Graphics2D::AsPPB_Graphics2D_API() {
-  return this;
-}
-
-PP_Bool Graphics2D::Describe(PP_Size* size, PP_Bool* is_always_opaque) {
-  *size = size_;
-  *is_always_opaque = is_always_opaque_;
-  return PP_TRUE;
-}
-
-void Graphics2D::PaintImageData(PP_Resource image_data,
-                                const PP_Point* top_left,
-                                const PP_Rect* src_rect) {
-  Resource* image_object =
-      PpapiGlobals::Get()->GetResourceTracker()->GetResource(image_data);
-  if (!image_object || pp_instance() != image_object->pp_instance()) {
-    Log(PP_LOGLEVEL_ERROR,
-        "PPB_Graphics2D.PaintImageData: Bad image resource.");
-    return;
-  }
-
-  PP_Rect dummy;
-  memset(&dummy, 0, sizeof(PP_Rect));
-  GetDispatcher()->Send(new PpapiHostMsg_PPBGraphics2D_PaintImageData(
-      kApiID, host_resource(), image_object->host_resource(), *top_left,
-      !!src_rect, src_rect ? *src_rect : dummy));
-}
-
-void Graphics2D::Scroll(const PP_Rect* clip_rect,
-                        const PP_Point* amount) {
-  PP_Rect dummy;
-  memset(&dummy, 0, sizeof(PP_Rect));
-  GetDispatcher()->Send(new PpapiHostMsg_PPBGraphics2D_Scroll(
-      kApiID, host_resource(), !!clip_rect, clip_rect ? *clip_rect : dummy,
-      *amount));
-}
-
-void Graphics2D::ReplaceContents(PP_Resource image_data) {
-  thunk::EnterResourceNoLock<thunk::PPB_ImageData_API> enter_image(
-      image_data, true);
-  if (enter_image.failed())
-    return;
-
-  ImageData* image_object = static_cast<ImageData*>(enter_image.object());
-  if (pp_instance() != image_object->pp_instance()) {
-    Log(PP_LOGLEVEL_ERROR,
-        "PPB_Graphics2D.ReplaceContents: Image resource for another instance.");
-    return;
-  }
-  image_object->set_used_in_replace_contents();
-
-  GetDispatcher()->Send(new PpapiHostMsg_PPBGraphics2D_ReplaceContents(
-      kApiID, host_resource(), image_object->host_resource()));
-}
-
-bool Graphics2D::SetScale(float scale) {
-  if (scale <= 0.0f)
-    return false;
-  GetDispatcher()->Send(new PpapiHostMsg_PPBGraphics2D_Dev_SetScale(
-      kApiID, host_resource(), scale));
-  scale_ = scale;
-  return true;
-}
-
-float Graphics2D::GetScale() {
-  return scale_;
-}
-
-int32_t Graphics2D::Flush(scoped_refptr<TrackedCallback> callback,
-                          PP_Resource* old_image_data) {
-  // We don't support this feature, it's for in-renderer only.
-  if (old_image_data)
-    *old_image_data = 0;
-
-  if (TrackedCallback::IsPending(current_flush_callback_))
-    return PP_ERROR_INPROGRESS;  // Can't have >1 flush pending.
-  current_flush_callback_ = callback;
-
-  GetDispatcher()->Send(new PpapiHostMsg_PPBGraphics2D_Flush(kApiID,
-                                                             host_resource()));
-  return PP_OK_COMPLETIONPENDING;
-}
-
-void Graphics2D::FlushACK(int32_t result_code) {
-  current_flush_callback_->Run(result_code);
-}
-
-PPB_Graphics2D_Proxy::PPB_Graphics2D_Proxy(Dispatcher* dispatcher)
-    : InterfaceProxy(dispatcher),
-      callback_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
-}
-
-PPB_Graphics2D_Proxy::~PPB_Graphics2D_Proxy() {
-}
-
-// static
-PP_Resource PPB_Graphics2D_Proxy::CreateProxyResource(
-    PP_Instance instance,
-    const PP_Size& size,
-    PP_Bool is_always_opaque) {
-  PluginDispatcher* dispatcher = PluginDispatcher::GetForInstance(instance);
-  if (!dispatcher)
-    return 0;
-
-  HostResource result;
-  dispatcher->Send(new PpapiHostMsg_PPBGraphics2D_Create(
-      kApiID, instance, size, is_always_opaque, &result));
-  if (result.is_null())
-    return 0;
-  return (new Graphics2D(result, size, is_always_opaque))->GetReference();
-}
-
-bool PPB_Graphics2D_Proxy::OnMessageReceived(const IPC::Message& msg) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(PPB_Graphics2D_Proxy, msg)
-#if !defined(OS_NACL)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_Create,
-                        OnHostMsgCreate)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_PaintImageData,
-                        OnHostMsgPaintImageData)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_Scroll,
-                        OnHostMsgScroll)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_ReplaceContents,
-                        OnHostMsgReplaceContents)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_Flush,
-                        OnHostMsgFlush)
-    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBGraphics2D_Dev_SetScale,
-                        OnHostMsgSetScale)
-#endif  // !defined(OS_NACL)
-    IPC_MESSAGE_HANDLER(PpapiMsg_PPBGraphics2D_FlushACK,
-                        OnPluginMsgFlushACK)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  // FIXME(brettw) handle bad messages!
-  return handled;
-}
-
-#if !defined(OS_NACL)
-void PPB_Graphics2D_Proxy::OnHostMsgCreate(PP_Instance instance,
-                                           const PP_Size& size,
-                                           PP_Bool is_always_opaque,
-                                           HostResource* result) {
-  thunk::EnterResourceCreation enter(instance);
-  if (enter.succeeded()) {
-    result->SetHostResource(instance, enter.functions()->CreateGraphics2D(
-        instance, size, is_always_opaque));
-  }
-}
-
-void PPB_Graphics2D_Proxy::OnHostMsgPaintImageData(
-    const HostResource& graphics_2d,
-    const HostResource& image_data,
-    const PP_Point& top_left,
-    bool src_rect_specified,
-    const PP_Rect& src_rect) {
-  EnterHostFromHostResource<PPB_Graphics2D_API> enter(graphics_2d);
-  if (enter.failed())
-    return;
-  enter.object()->PaintImageData(image_data.host_resource(), &top_left,
-      src_rect_specified ? &src_rect : NULL);
-}
-
-void PPB_Graphics2D_Proxy::OnHostMsgScroll(const HostResource& graphics_2d,
-                                           bool clip_specified,
-                                           const PP_Rect& clip,
-                                           const PP_Point& amount) {
-  EnterHostFromHostResource<PPB_Graphics2D_API> enter(graphics_2d);
-  if (enter.failed())
-    return;
-  enter.object()->Scroll(clip_specified ? &clip : NULL, &amount);
-}
-
-void PPB_Graphics2D_Proxy::OnHostMsgReplaceContents(
-    const HostResource& graphics_2d,
-    const HostResource& image_data) {
-  EnterHostFromHostResource<PPB_Graphics2D_API> enter(graphics_2d);
-  if (enter.failed())
-    return;
-  enter.object()->ReplaceContents(image_data.host_resource());
-}
-
-void PPB_Graphics2D_Proxy::OnHostMsgFlush(const HostResource& graphics_2d) {
-  EnterHostFromHostResourceForceCallback<PPB_Graphics2D_API> enter(
-      graphics_2d, callback_factory_,
-      &PPB_Graphics2D_Proxy::SendFlushACKToPlugin, graphics_2d);
-  if (enter.failed())
-    return;
-  PP_Resource old_image_data = 0;
-  enter.SetResult(enter.object()->Flush(enter.callback(), &old_image_data));
-  if (old_image_data) {
-    // If the Graphics2D has an old image data it's not using any more, send
-    // it back to the plugin for possible re-use. See ppb_image_data_proxy.cc
-    // for a description how this process works.
-    HostResource old_image_data_host_resource;
-    old_image_data_host_resource.SetHostResource(graphics_2d.instance(),
-                                                 old_image_data);
-    dispatcher()->Send(new PpapiMsg_PPBImageData_NotifyUnusedImageData(
-        API_ID_PPB_IMAGE_DATA, old_image_data_host_resource));
-  }
-}
-
-void PPB_Graphics2D_Proxy::OnHostMsgSetScale(const HostResource& graphics_2d,
-                                             float scale) {
-  EnterHostFromHostResource<PPB_Graphics2D_API> enter(graphics_2d);
-  if (enter.failed())
-    return;
-  enter.object()->SetScale(scale);
-}
-#endif  // !defined(OS_NACL)
-
-void PPB_Graphics2D_Proxy::OnPluginMsgFlushACK(
-    const HostResource& host_resource,
-    int32_t pp_error) {
-  EnterPluginFromHostResource<PPB_Graphics2D_API> enter(host_resource);
-  if (enter.succeeded())
-    static_cast<Graphics2D*>(enter.object())->FlushACK(pp_error);
-}
-
-#if !defined(OS_NACL)
-void PPB_Graphics2D_Proxy::SendFlushACKToPlugin(
-    int32_t result,
-    const HostResource& graphics_2d) {
-  dispatcher()->Send(new PpapiMsg_PPBGraphics2D_FlushACK(kApiID, graphics_2d,
-                                                         result));
-}
-#endif  // !defined(OS_NACL)
-
-}  // namespace proxy
-}  // namespace ppapi