content/plugin/webplugin

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This source file includes following definitions.
weak_factory_
Send
SetWindow
SetAcceptsInputEvents
WillDestroyWindow
SetWindowlessData
CancelResource
Invalidate
InvalidateRect
GetWindowScriptNPObject
GetPluginElement
FindProxyForUrl
SetCookie
GetCookies
GetResourceClient
GetRendererId
DidPaint
OnResourceCreated
HandleURLRequest
Paint
UpdateGeometry
CreateCanvasFromHandle
SetWindowlessBuffers
CreateDIBAndCGContextFromHandle
SetWindowlessBuffers
CreateDIBAndCanvasFromHandle
CreateShmPixmapFromDIB
SetWindowlessBuffers
SetWindowlessBuffers
CancelDocumentLoad
InitiateHTTPRangeRequest
DidStartLoading
DidStopLoading
SetDeferResourceLoading
FocusChanged
StartIme
GetAcceleratedSurface
AcceleratedPluginEnabledRendering
AcceleratedPluginAllocatedIOSurface
AcceleratedPluginSwappedIOSurface
OnPaint
IsOffTheRecord
ResourceClientDeleted
URLRedirectResponse
CheckIfRunInsecureContent
UpdateIMEStatus
// 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 "content/plugin/webplugin_proxy.h"

#include "build/build_config.h"

#include "base/bind.h"
#include "base/lazy_instance.h"
#include "base/memory/scoped_handle.h"
#include "base/memory/shared_memory.h"
#include "build/build_config.h"
#include "content/child/npapi/npobject_proxy.h"
#include "content/child/npapi/npobject_util.h"
#include "content/child/npapi/webplugin_delegate_impl.h"
#include "content/child/npapi/webplugin_resource_client.h"
#include "content/child/plugin_messages.h"
#include "content/plugin/plugin_channel.h"
#include "content/plugin/plugin_thread.h"
#include "content/public/common/content_client.h"
#include "content/public/common/url_constants.h"
#include "skia/ext/platform_canvas.h"
#include "skia/ext/platform_device.h"
#include "third_party/WebKit/public/web/WebBindings.h"
#include "ui/gfx/blit.h"
#include "ui/gfx/canvas.h"

#if defined(OS_MACOSX)
#include "base/mac/mac_util.h"
#include "base/mac/scoped_cftyperef.h"
#include "content/plugin/webplugin_accelerated_surface_proxy_mac.h"
#endif

#if defined(USE_X11)
#include "ui/base/x/x11_util_internal.h"
#endif

#if defined(OS_WIN)
#include "content/common/plugin_process_messages.h"
#include "content/public/common/sandbox_init.h"
#endif

using blink::WebBindings;

namespace content {

WebPluginProxy::SharedTransportDIB::SharedTransportDIB(TransportDIB* dib)
    : dib_(dib) {
}

WebPluginProxy::SharedTransportDIB::~SharedTransportDIB() {
}

WebPluginProxy::WebPluginProxy(
    PluginChannel* channel,
    int route_id,
    const GURL& page_url,
    int host_render_view_routing_id)
    : channel_(channel),
      route_id_(route_id),
      window_npobject_(NULL),
      plugin_element_(NULL),
      delegate_(NULL),
      waiting_for_paint_(false),
      page_url_(page_url),
      windowless_buffer_index_(0),
      host_render_view_routing_id_(host_render_view_routing_id),
      weak_factory_(this) {
#if defined(USE_X11)
  windowless_shm_pixmaps_[0] = None;
  windowless_shm_pixmaps_[1] = None;
  use_shm_pixmap_ = false;

  // If the X server supports SHM pixmaps
  // and the color depth and masks match,
  // then consider using SHM pixmaps for windowless plugin painting.
  XDisplay* display = gfx::GetXDisplay();
  if (ui::QuerySharedMemorySupport(display) == ui::SHARED_MEMORY_PIXMAP &&
      gfx::BitsPerPixelForPixmapDepth(
          display, DefaultDepth(display, DefaultScreen(display))) == 32) {
    Visual* vis = DefaultVisual(display, DefaultScreen(display));

    if (vis->red_mask == 0xff0000 &&
        vis->green_mask == 0xff00 &&
        vis->blue_mask == 0xff)
      use_shm_pixmap_ = true;
  }
#endif
}

WebPluginProxy::~WebPluginProxy() {
#if defined(USE_X11)
  if (windowless_shm_pixmaps_[0] != None)
    XFreePixmap(gfx::GetXDisplay(), windowless_shm_pixmaps_[0]);
  if (windowless_shm_pixmaps_[1] != None)
    XFreePixmap(gfx::GetXDisplay(), windowless_shm_pixmaps_[1]);
#endif

#if defined(OS_MACOSX)
  // Destroy the surface early, since it may send messages during cleanup.
  if (accelerated_surface_)
    accelerated_surface_.reset();
#endif

  if (plugin_element_)
    WebBindings::releaseObject(plugin_element_);
  if (window_npobject_)
    WebBindings::releaseObject(window_npobject_);
}

bool WebPluginProxy::Send(IPC::Message* msg) {
  return channel_->Send(msg);
}

void WebPluginProxy::SetWindow(gfx::PluginWindowHandle window) {
  Send(new PluginHostMsg_SetWindow(route_id_, window));
}

void WebPluginProxy::SetAcceptsInputEvents(bool accepts) {
  NOTREACHED();
}

void WebPluginProxy::WillDestroyWindow(gfx::PluginWindowHandle window) {
#if defined(OS_WIN)
  PluginThread::current()->Send(
      new PluginProcessHostMsg_PluginWindowDestroyed(
          window, ::GetParent(window)));
#elif defined(USE_X11)
  // Nothing to do.
#else
  NOTIMPLEMENTED();
#endif
}

#if defined(OS_WIN)
void WebPluginProxy::SetWindowlessData(
    HANDLE pump_messages_event, gfx::NativeViewId dummy_activation_window) {
  HANDLE pump_messages_event_for_renderer = NULL;
  BrokerDuplicateHandle(pump_messages_event, channel_->peer_pid(),
                                 &pump_messages_event_for_renderer,
                                 SYNCHRONIZE | EVENT_MODIFY_STATE, 0);
  DCHECK(pump_messages_event_for_renderer);
  Send(new PluginHostMsg_SetWindowlessData(
      route_id_, pump_messages_event_for_renderer, dummy_activation_window));
}
#endif

void WebPluginProxy::CancelResource(unsigned long id) {
  Send(new PluginHostMsg_CancelResource(route_id_, id));
  resource_clients_.erase(id);
}

void WebPluginProxy::Invalidate() {
  gfx::Rect rect(0, 0,
                 delegate_->GetRect().width(),
                 delegate_->GetRect().height());
  InvalidateRect(rect);
}

void WebPluginProxy::InvalidateRect(const gfx::Rect& rect) {
#if defined(OS_MACOSX)
  // If this is a Core Animation plugin, all we need to do is inform the
  // delegate.
  if (!windowless_context()) {
    delegate_->PluginDidInvalidate();
    return;
  }

  // Some plugins will send invalidates larger than their own rect when
  // offscreen, so constrain invalidates to the plugin rect.
  gfx::Rect plugin_rect = delegate_->GetRect();
  plugin_rect.set_origin(gfx::Point(0, 0));
  plugin_rect.Intersect(rect);
  const gfx::Rect invalidate_rect(plugin_rect);
#else
  const gfx::Rect invalidate_rect(rect);
#endif
  damaged_rect_.Union(invalidate_rect);
  // Ignore NPN_InvalidateRect calls with empty rects.  Also don't send an
  // invalidate if it's outside the clipping region, since if we did it won't
  // lead to a paint and we'll be stuck waiting forever for a DidPaint response.
  //
  // TODO(piman): There is a race condition here, because this test assumes
  // that when the paint actually occurs, the clip rect will not have changed.
  // This is not true because scrolling (or window resize) could occur and be
  // handled by the renderer before it receives the InvalidateRect message,
  // changing the clip rect and then not painting.
  if (damaged_rect_.IsEmpty() ||
      !delegate_->GetClipRect().Intersects(damaged_rect_))
    return;

  // Only send a single InvalidateRect message at a time.  From DidPaint we
  // will dispatch an additional InvalidateRect message if necessary.
  if (!waiting_for_paint_) {
    waiting_for_paint_ = true;
    // Invalidates caused by calls to NPN_InvalidateRect/NPN_InvalidateRgn
    // need to be painted asynchronously as per the NPAPI spec.
    base::MessageLoop::current()->PostTask(
        FROM_HERE,
        base::Bind(&WebPluginProxy::OnPaint,
                   weak_factory_.GetWeakPtr(),
                   damaged_rect_));
    damaged_rect_ = gfx::Rect();
  }
}

NPObject* WebPluginProxy::GetWindowScriptNPObject() {
  if (window_npobject_)
    return window_npobject_;

  int npobject_route_id = channel_->GenerateRouteID();
  bool success = false;
  Send(new PluginHostMsg_GetWindowScriptNPObject(
      route_id_, npobject_route_id, &success));
  if (!success)
    return NULL;

  // PluginChannel creates a dummy owner identifier for unknown owners, so
  // use that.
  NPP owner = channel_->GetExistingNPObjectOwner(MSG_ROUTING_NONE);

  window_npobject_ = NPObjectProxy::Create(channel_.get(),
                                           npobject_route_id,
                                           host_render_view_routing_id_,
                                           page_url_,
                                           owner);

  return window_npobject_;
}

NPObject* WebPluginProxy::GetPluginElement() {
  if (plugin_element_)
    return plugin_element_;

  int npobject_route_id = channel_->GenerateRouteID();
  bool success = false;
  Send(new PluginHostMsg_GetPluginElement(route_id_, npobject_route_id,
                                          &success));
  if (!success)
    return NULL;

  // PluginChannel creates a dummy owner identifier for unknown owners, so
  // use that.
  NPP owner = channel_->GetExistingNPObjectOwner(MSG_ROUTING_NONE);

  plugin_element_ = NPObjectProxy::Create(channel_.get(),
                                          npobject_route_id,
                                          host_render_view_routing_id_,
                                          page_url_,
                                          owner);

  return plugin_element_;
}

bool WebPluginProxy::FindProxyForUrl(const GURL& url, std::string* proxy_list) {
  bool result = false;
  Send(new PluginHostMsg_ResolveProxy(route_id_, url, &result, proxy_list));
  return result;
}

void WebPluginProxy::SetCookie(const GURL& url,
                               const GURL& first_party_for_cookies,
                               const std::string& cookie) {
  Send(new PluginHostMsg_SetCookie(route_id_, url,
                                   first_party_for_cookies, cookie));
}

std::string WebPluginProxy::GetCookies(const GURL& url,
                                       const GURL& first_party_for_cookies) {
  std::string cookies;
  Send(new PluginHostMsg_GetCookies(route_id_, url,
                                    first_party_for_cookies, &cookies));

  return cookies;
}

WebPluginResourceClient* WebPluginProxy::GetResourceClient(int id) {
  ResourceClientMap::iterator iterator = resource_clients_.find(id);
  // The IPC messages which deal with streams are now asynchronous. It is
  // now possible to receive stream messages from the renderer for streams
  // which may have been cancelled by the plugin.
  if (iterator == resource_clients_.end()) {
    return NULL;
  }

  return iterator->second;
}

int WebPluginProxy::GetRendererId() {
  if (channel_.get())
    return channel_->renderer_id();
  return -1;
}

void WebPluginProxy::DidPaint() {
  // If we have an accumulated damaged rect, then check to see if we need to
  // send out another InvalidateRect message.
  waiting_for_paint_ = false;
  if (!damaged_rect_.IsEmpty())
    InvalidateRect(damaged_rect_);
}

void WebPluginProxy::OnResourceCreated(int resource_id,
                                       WebPluginResourceClient* client) {
  DCHECK(resource_clients_.find(resource_id) == resource_clients_.end());
  resource_clients_[resource_id] = client;
}

void WebPluginProxy::HandleURLRequest(const char* url,
                                      const char* method,
                                      const char* target,
                                      const char* buf,
                                      unsigned int len,
                                      int notify_id,
                                      bool popups_allowed,
                                      bool notify_redirects) {
 if (!target && (0 == base::strcasecmp(method, "GET"))) {
    // Please refer to https://bugzilla.mozilla.org/show_bug.cgi?id=366082
    // for more details on this.
    if (delegate_->GetQuirks() &
        WebPluginDelegateImpl::PLUGIN_QUIRK_BLOCK_NONSTANDARD_GETURL_REQUESTS) {
      GURL request_url(url);
      if (!request_url.SchemeIs(kHttpScheme) &&
          !request_url.SchemeIs(kHttpsScheme) &&
          !request_url.SchemeIs(kFtpScheme)) {
        return;
      }
    }
  }

  PluginHostMsg_URLRequest_Params params;
  params.url = url;
  params.method = method;
  if (target)
    params.target = std::string(target);

  if (len) {
    params.buffer.resize(len);
    memcpy(&params.buffer.front(), buf, len);
  }

  params.notify_id = notify_id;
  params.popups_allowed = popups_allowed;
  params.notify_redirects = notify_redirects;

  Send(new PluginHostMsg_URLRequest(route_id_, params));
}

void WebPluginProxy::Paint(const gfx::Rect& rect) {
#if defined(OS_MACOSX)
  if (!windowless_context())
    return;
#else
  if (!windowless_canvas() || !windowless_canvas()->getDevice())
    return;
#endif

  // Clear the damaged area so that if the plugin doesn't paint there we won't
  // end up with the old values.
  gfx::Rect offset_rect = rect;
  offset_rect.Offset(delegate_->GetRect().OffsetFromOrigin());
#if defined(OS_MACOSX)
  CGContextSaveGState(windowless_context());
  // It is possible for windowless_contexts_ to change during plugin painting
  // (since the plugin can make a synchronous call during paint event handling),
  // in which case we don't want to try to restore later. Not an owning ref
  // since owning the ref without owning the shared backing memory doesn't make
  // sense, so this should only be used for pointer comparisons.
  CGContextRef saved_context_weak = windowless_context();
  // We also save the buffer index for the comparison because if we flip buffers
  // but haven't reallocated them then we do need to restore the context because
  // it is going to continue to be used.
  int saved_index = windowless_buffer_index_;

  CGContextClipToRect(windowless_context(), rect.ToCGRect());
  // TODO(caryclark): This is a temporary workaround to allow the Darwin / Skia
  // port to share code with the Darwin / CG port. All ports will eventually use
  // the common code below.
  delegate_->CGPaint(windowless_context(), rect);
  if (windowless_contexts_[saved_index].get() == saved_context_weak)
    CGContextRestoreGState(windowless_contexts_[saved_index]);
#else
  // See above comment about windowless_context_ changing.
  // http::/crbug.com/139462
  skia::RefPtr<skia::PlatformCanvas> saved_canvas = windowless_canvas();
#if defined(USE_X11)
  scoped_refptr<SharedTransportDIB> local_dib_ref(
      windowless_dibs_[windowless_buffer_index_]);
#endif

  saved_canvas->save();

  // The given clip rect is relative to the plugin coordinate system.
  SkRect sk_rect = { SkIntToScalar(rect.x()),
                     SkIntToScalar(rect.y()),
                     SkIntToScalar(rect.right()),
                     SkIntToScalar(rect.bottom()) };
  saved_canvas->clipRect(sk_rect);

  // Fill a transparent value so that if the plugin supports transparency that
  // will work.
  saved_canvas->drawColor(SkColorSetARGB(0, 0, 0, 0), SkXfermode::kSrc_Mode);

  // Bring the windowless canvas into the window coordinate system, which is
  // how the plugin expects to draw (since the windowless API was originally
  // designed just for scribbling over the web page).
  saved_canvas->translate(SkIntToScalar(-delegate_->GetRect().x()),
                          SkIntToScalar(-delegate_->GetRect().y()));

  // Before we send the invalidate, paint so that renderer uses the updated
  // bitmap.
  delegate_->Paint(saved_canvas.get(), offset_rect);

  saved_canvas->restore();
#endif
}

void WebPluginProxy::UpdateGeometry(
    const gfx::Rect& window_rect,
    const gfx::Rect& clip_rect,
    const TransportDIB::Handle& windowless_buffer0,
    const TransportDIB::Handle& windowless_buffer1,
    int windowless_buffer_index) {
  gfx::Rect old = delegate_->GetRect();
  gfx::Rect old_clip_rect = delegate_->GetClipRect();

  // Update the buffers before doing anything that could call into plugin code,
  // so that we don't process buffer changes out of order if plugins make
  // synchronous calls that lead to nested UpdateGeometry calls.
  if (TransportDIB::is_valid_handle(windowless_buffer0)) {
    // The plugin's rect changed, so now we have new buffers to draw into.
    SetWindowlessBuffers(windowless_buffer0,
                         windowless_buffer1,
                         window_rect);
  }

  DCHECK(0 <= windowless_buffer_index && windowless_buffer_index <= 1);
  windowless_buffer_index_ = windowless_buffer_index;
#if defined(USE_X11)
  delegate_->SetWindowlessShmPixmap(windowless_shm_pixmap());
#endif

#if defined(OS_MACOSX)
  delegate_->UpdateGeometryAndContext(
      window_rect, clip_rect, windowless_context());
#else
  delegate_->UpdateGeometry(window_rect, clip_rect);
#endif

  // Send over any pending invalidates which occured when the plugin was
  // off screen.
  if (delegate_->IsWindowless() && !clip_rect.IsEmpty() &&
      !damaged_rect_.IsEmpty()) {
    InvalidateRect(damaged_rect_);
  }
}

#if defined(OS_WIN)

void WebPluginProxy::CreateCanvasFromHandle(
    const TransportDIB::Handle& dib_handle,
    const gfx::Rect& window_rect,
    skia::RefPtr<skia::PlatformCanvas>* canvas) {
  *canvas = skia::AdoptRef(
      skia::CreatePlatformCanvas(window_rect.width(),
                                 window_rect.height(),
                                 true,
                                 dib_handle,
                                 skia::RETURN_NULL_ON_FAILURE));
  // The canvas does not own the section so we need to close it now.
  CloseHandle(dib_handle);
}

void WebPluginProxy::SetWindowlessBuffers(
    const TransportDIB::Handle& windowless_buffer0,
    const TransportDIB::Handle& windowless_buffer1,
    const gfx::Rect& window_rect) {
  CreateCanvasFromHandle(windowless_buffer0,
                         window_rect,
                         &windowless_canvases_[0]);
  if (!windowless_canvases_[0]) {
    windowless_canvases_[1].clear();
    return;
  }
  CreateCanvasFromHandle(windowless_buffer1,
                         window_rect,
                         &windowless_canvases_[1]);
  if (!windowless_canvases_[1]) {
    windowless_canvases_[0].clear();
    return;
  }
}

#elif defined(OS_MACOSX)

void WebPluginProxy::CreateDIBAndCGContextFromHandle(
    const TransportDIB::Handle& dib_handle,
    const gfx::Rect& window_rect,
    scoped_ptr<TransportDIB>* dib_out,
    base::ScopedCFTypeRef<CGContextRef>* cg_context_out) {
  // Convert the shared memory handle to a handle that works in our process,
  // and then use that to create a CGContextRef.
  TransportDIB* dib = TransportDIB::Map(dib_handle);
  CGContextRef cg_context = NULL;
  if (dib) {
    cg_context = CGBitmapContextCreate(
        dib->memory(),
        window_rect.width(),
        window_rect.height(),
        8,
        4 * window_rect.width(),
        base::mac::GetSystemColorSpace(),
        kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
    CGContextTranslateCTM(cg_context, 0, window_rect.height());
    CGContextScaleCTM(cg_context, 1, -1);
  }
  dib_out->reset(dib);
  cg_context_out->reset(cg_context);
}

void WebPluginProxy::SetWindowlessBuffers(
    const TransportDIB::Handle& windowless_buffer0,
    const TransportDIB::Handle& windowless_buffer1,
    const gfx::Rect& window_rect) {
  CreateDIBAndCGContextFromHandle(windowless_buffer0,
                                  window_rect,
                                  &windowless_dibs_[0],
                                  &windowless_contexts_[0]);
  CreateDIBAndCGContextFromHandle(windowless_buffer1,
                                  window_rect,
                                  &windowless_dibs_[1],
                                  &windowless_contexts_[1]);
}

#elif defined(TOOLKIT_GTK)

void WebPluginProxy::CreateDIBAndCanvasFromHandle(
    const TransportDIB::Handle& dib_handle,
    const gfx::Rect& window_rect,
    scoped_refptr<SharedTransportDIB>* dib_out,
    skia::RefPtr<skia::PlatformCanvas>* canvas) {
  TransportDIB* dib = TransportDIB::Map(dib_handle);
  // dib may be NULL if the renderer has already destroyed the TransportDIB by
  // the time we receive the handle, e.g. in case of multiple resizes.
  if (dib) {
    *canvas = skia::AdoptRef(
        dib->GetPlatformCanvas(window_rect.width(), window_rect.height()));
  } else {
    canvas->clear();
  }
  *dib_out = new SharedTransportDIB(dib);
}

void WebPluginProxy::CreateShmPixmapFromDIB(
    TransportDIB* dib,
    const gfx::Rect& window_rect,
    XID* pixmap_out) {
  if (dib) {
    XDisplay* display = gfx::GetXDisplay();
    XID root_window = ui::GetX11RootWindow();
    XShmSegmentInfo shminfo = {0};

    if (*pixmap_out != None)
      XFreePixmap(display, *pixmap_out);

    shminfo.shmseg = dib->MapToX(display);
    // Create a shared memory pixmap based on the image buffer.
    *pixmap_out = XShmCreatePixmap(display, root_window,
                                   NULL, &shminfo,
                                   window_rect.width(), window_rect.height(),
                                   DefaultDepth(display,
                                                DefaultScreen(display)));
  }
}

void WebPluginProxy::SetWindowlessBuffers(
    const TransportDIB::Handle& windowless_buffer0,
    const TransportDIB::Handle& windowless_buffer1,
    const gfx::Rect& window_rect) {
  CreateDIBAndCanvasFromHandle(windowless_buffer0,
                               window_rect,
                               &windowless_dibs_[0],
                               &windowless_canvases_[0]);
  CreateDIBAndCanvasFromHandle(windowless_buffer1,
                               window_rect,
                               &windowless_dibs_[1],
                               &windowless_canvases_[1]);

  // If SHM pixmaps support is available, create SHM pixmaps to pass to the
  // delegate for windowless plugin painting.
  if (delegate_->IsWindowless() && use_shm_pixmap_) {
    CreateShmPixmapFromDIB(windowless_dibs_[0]->dib(),
                           window_rect,
                           &windowless_shm_pixmaps_[0]);
    CreateShmPixmapFromDIB(windowless_dibs_[1]->dib(),
                           window_rect,
                           &windowless_shm_pixmaps_[1]);
  }
}

#else

void WebPluginProxy::SetWindowlessBuffers(
    const TransportDIB::Handle& windowless_buffer0,
    const TransportDIB::Handle& windowless_buffer1,
    const gfx::Rect& window_rect) {
  NOTIMPLEMENTED();
}

#endif

void WebPluginProxy::CancelDocumentLoad() {
  Send(new PluginHostMsg_CancelDocumentLoad(route_id_));
}

void WebPluginProxy::InitiateHTTPRangeRequest(
    const char* url, const char* range_info, int range_request_id) {
  Send(new PluginHostMsg_InitiateHTTPRangeRequest(
      route_id_, url, range_info, range_request_id));
}

void WebPluginProxy::DidStartLoading() {
  Send(new PluginHostMsg_DidStartLoading(route_id_));
}

void WebPluginProxy::DidStopLoading() {
  Send(new PluginHostMsg_DidStopLoading(route_id_));
}

void WebPluginProxy::SetDeferResourceLoading(unsigned long resource_id,
                                             bool defer) {
  Send(new PluginHostMsg_DeferResourceLoading(route_id_, resource_id, defer));
}

#if defined(OS_MACOSX)
void WebPluginProxy::FocusChanged(bool focused) {
  IPC::Message* msg = new PluginHostMsg_FocusChanged(route_id_, focused);
  Send(msg);
}

void WebPluginProxy::StartIme() {
  IPC::Message* msg = new PluginHostMsg_StartIme(route_id_);
  // This message can be sent during event-handling, and needs to be delivered
  // within that context.
  msg->set_unblock(true);
  Send(msg);
}

WebPluginAcceleratedSurface* WebPluginProxy::GetAcceleratedSurface(
    gfx::GpuPreference gpu_preference) {
  if (!accelerated_surface_)
    accelerated_surface_.reset(
        WebPluginAcceleratedSurfaceProxy::Create(this, gpu_preference));
  return accelerated_surface_.get();
}

void WebPluginProxy::AcceleratedPluginEnabledRendering() {
  Send(new PluginHostMsg_AcceleratedPluginEnabledRendering(route_id_));
}

void WebPluginProxy::AcceleratedPluginAllocatedIOSurface(int32 width,
                                                         int32 height,
                                                         uint32 surface_id) {
  Send(new PluginHostMsg_AcceleratedPluginAllocatedIOSurface(
      route_id_, width, height, surface_id));
}

void WebPluginProxy::AcceleratedPluginSwappedIOSurface() {
  Send(new PluginHostMsg_AcceleratedPluginSwappedIOSurface(
      route_id_));
}
#endif

void WebPluginProxy::OnPaint(const gfx::Rect& damaged_rect) {
  GetContentClient()->SetActiveURL(page_url_);

  Paint(damaged_rect);
  Send(new PluginHostMsg_InvalidateRect(route_id_, damaged_rect));
}

bool WebPluginProxy::IsOffTheRecord() {
  return channel_->incognito();
}

void WebPluginProxy::ResourceClientDeleted(
    WebPluginResourceClient* resource_client) {
  // resource_client->ResourceId() is 0 at this point, so can't use it as an
  // index into the map.
  ResourceClientMap::iterator index = resource_clients_.begin();
  while (index != resource_clients_.end()) {
    WebPluginResourceClient* client = (*index).second;
    if (client == resource_client) {
      resource_clients_.erase(index);
      return;
    } else {
      index++;
    }
  }
}

void WebPluginProxy::URLRedirectResponse(bool allow, int resource_id) {
  Send(new PluginHostMsg_URLRedirectResponse(route_id_, allow, resource_id));
}

bool WebPluginProxy::CheckIfRunInsecureContent(const GURL& url) {
  bool result = true;
  Send(new PluginHostMsg_CheckIfRunInsecureContent(
      host_render_view_routing_id_, url, &result));
  return result;
}

#if defined(OS_WIN) && !defined(USE_AURA)
void WebPluginProxy::UpdateIMEStatus() {
  // Retrieve the IME status from a plug-in and send it to a renderer process
  // when the plug-in has updated it.
  int input_type;
  gfx::Rect caret_rect;
  if (!delegate_->GetIMEStatus(&input_type, &caret_rect))
    return;

  Send(new PluginHostMsg_NotifyIMEStatus(route_id_, input_type, caret_rect));
}
#endif

}  // namespace content
/* [<][>][^][v][top][bottom][index][help] */
root/content/plugin/webplugin_proxy.cc

DEFINITIONS
