content/plugin/webplugin_proxy.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "content/plugin/webplugin_proxy.h"
   6
   7 #include "build/build_config.h"
   8
   9 #include "base/bind.h"
  10 #include "base/lazy_instance.h"
  11 #include "base/memory/scoped_handle.h"
  12 #include "base/shared_memory.h"
  13 #include "build/build_config.h"
  14 #include "content/common/npobject_proxy.h"
  15 #include "content/common/npobject_util.h"
  16 #include "content/common/plugin_messages.h"
  17 #include "content/plugin/plugin_channel.h"
  18 #include "content/plugin/plugin_thread.h"
  19 #include "content/public/common/content_client.h"
  20 #include "content/public/common/url_constants.h"
  21 #include "skia/ext/platform_canvas.h"
  22 #include "skia/ext/platform_device.h"
  23 #include "third_party/WebKit/Source/WebKit/chromium/public/WebBindings.h"
  24 #include "ui/gfx/blit.h"
  25 #include "ui/gfx/canvas.h"
  26 #include "webkit/plugins/npapi/webplugin_delegate_impl.h"
  27
  28 #if defined(OS_MACOSX)
  29 #include "base/mac/mac_util.h"
  30 #include "base/mac/scoped_cftyperef.h"
  31 #include "content/plugin/webplugin_accelerated_surface_proxy_mac.h"
  32 #endif
  33
  34 #if defined(USE_X11)
  35 #include "ui/base/x/x11_util_internal.h"
  36 #endif
  37
  38 #if defined(OS_WIN)
  39 #include "content/public/common/sandbox_init.h"
  40 #endif
  41
  42 using WebKit::WebBindings;
  43
  44 using webkit::npapi::WebPluginResourceClient;
  45 #if defined(OS_MACOSX)
  46 using webkit::npapi::WebPluginAcceleratedSurface;
  47 #endif
  48
  49 namespace content {
  50
  51 WebPluginProxy::SharedTransportDIB::SharedTransportDIB(TransportDIB* dib)
  52     : dib_(dib) {
  53 }
  54
  55 WebPluginProxy::SharedTransportDIB::~SharedTransportDIB() {
  56 }
  57
  58 WebPluginProxy::WebPluginProxy(
  59     PluginChannel* channel,
  60     int route_id,
  61     const GURL& page_url,
  62     int host_render_view_routing_id)
  63     : channel_(channel),
  64       route_id_(route_id),
  65       window_npobject_(NULL),
  66       plugin_element_(NULL),
  67       delegate_(NULL),
  68       waiting_for_paint_(false),
  69       page_url_(page_url),
  70       windowless_buffer_index_(0),
  71       host_render_view_routing_id_(host_render_view_routing_id),
  72       ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
  73 #if defined(USE_X11)
  74   windowless_shm_pixmaps_[0] = None;
  75   windowless_shm_pixmaps_[1] = None;
  76   use_shm_pixmap_ = false;
  77
  78   // If the X server supports SHM pixmaps
  79   // and the color depth and masks match,
  80   // then consider using SHM pixmaps for windowless plugin painting.
  81   Display* display = ui::GetXDisplay();
  82   if (ui::QuerySharedMemorySupport(display) == ui::SHARED_MEMORY_PIXMAP &&
  83       ui::BitsPerPixelForPixmapDepth(
  84           display, DefaultDepth(display, DefaultScreen(display))) == 32) {
  85     Visual* vis = DefaultVisual(display, DefaultScreen(display));
  86
  87     if (vis->red_mask == 0xff0000 &&
  88         vis->green_mask == 0xff00 &&
  89         vis->blue_mask == 0xff)
  90       use_shm_pixmap_ = true;
  91   }
  92 #endif
  93 }
  94
  95 WebPluginProxy::~WebPluginProxy() {
  96 #if defined(USE_X11)
  97   if (windowless_shm_pixmaps_[0] != None)
  98     XFreePixmap(ui::GetXDisplay(), windowless_shm_pixmaps_[0]);
  99   if (windowless_shm_pixmaps_[1] != None)
 100     XFreePixmap(ui::GetXDisplay(), windowless_shm_pixmaps_[1]);
 101 #endif
 102
 103 #if defined(OS_MACOSX)
 104   // Destroy the surface early, since it may send messages during cleanup.
 105   if (accelerated_surface_.get())
 106     accelerated_surface_.reset();
 107 #endif
 108
 109   if (plugin_element_)
 110     WebBindings::releaseObject(plugin_element_);
 111   if (window_npobject_)
 112     WebBindings::releaseObject(window_npobject_);
 113 }
 114
 115 bool WebPluginProxy::Send(IPC::Message* msg) {
 116   return channel_->Send(msg);
 117 }
 118
 119 void WebPluginProxy::SetWindow(gfx::PluginWindowHandle window) {
 120   Send(new PluginHostMsg_SetWindow(route_id_, window));
 121 }
 122
 123 void WebPluginProxy::SetAcceptsInputEvents(bool accepts) {
 124   NOTREACHED();
 125 }
 126
 127 void WebPluginProxy::WillDestroyWindow(gfx::PluginWindowHandle window) {
 128 #if defined(OS_WIN)
 129   PluginThread::current()->Send(
 130       new PluginProcessHostMsg_PluginWindowDestroyed(
 131           window, ::GetParent(window)));
 132 #elif defined(USE_X11)
 133   // Nothing to do.
 134 #else
 135   NOTIMPLEMENTED();
 136 #endif
 137 }
 138
 139 #if defined(OS_WIN)
 140 void WebPluginProxy::SetWindowlessData(
 141     HANDLE pump_messages_event, gfx::NativeViewId dummy_activation_window) {
 142   HANDLE pump_messages_event_for_renderer = NULL;
 143   BrokerDuplicateHandle(pump_messages_event, channel_->peer_pid(),
 144                                  &pump_messages_event_for_renderer,
 145                                  SYNCHRONIZE | EVENT_MODIFY_STATE, 0);
 146   DCHECK(pump_messages_event_for_renderer);
 147   Send(new PluginHostMsg_SetWindowlessData(
 148       route_id_, pump_messages_event_for_renderer, dummy_activation_window));
 149 }
 150 #endif
 151
 152 void WebPluginProxy::CancelResource(unsigned long id) {
 153   Send(new PluginHostMsg_CancelResource(route_id_, id));
 154   resource_clients_.erase(id);
 155 }
 156
 157 void WebPluginProxy::Invalidate() {
 158   gfx::Rect rect(0, 0,
 159                  delegate_->GetRect().width(),
 160                  delegate_->GetRect().height());
 161   InvalidateRect(rect);
 162 }
 163
 164 void WebPluginProxy::InvalidateRect(const gfx::Rect& rect) {
 165 #if defined(OS_MACOSX)
 166   // If this is a Core Animation plugin, all we need to do is inform the
 167   // delegate.
 168   if (!windowless_context()) {
 169     delegate_->PluginDidInvalidate();
 170     return;
 171   }
 172
 173   // Some plugins will send invalidates larger than their own rect when
 174   // offscreen, so constrain invalidates to the plugin rect.
 175   gfx::Rect plugin_rect = delegate_->GetRect();
 176   plugin_rect.set_origin(gfx::Point(0, 0));
 177   plugin_rect.Intersect(rect);
 178   const gfx::Rect invalidate_rect(plugin_rect);
 179 #else
 180   const gfx::Rect invalidate_rect(rect);
 181 #endif
 182   damaged_rect_.Union(invalidate_rect);
 183   // Ignore NPN_InvalidateRect calls with empty rects.  Also don't send an
 184   // invalidate if it's outside the clipping region, since if we did it won't
 185   // lead to a paint and we'll be stuck waiting forever for a DidPaint response.
 186   //
 187   // TODO(piman): There is a race condition here, because this test assumes
 188   // that when the paint actually occurs, the clip rect will not have changed.
 189   // This is not true because scrolling (or window resize) could occur and be
 190   // handled by the renderer before it receives the InvalidateRect message,
 191   // changing the clip rect and then not painting.
 192   if (damaged_rect_.IsEmpty() ||
 193       !delegate_->GetClipRect().Intersects(damaged_rect_))
 194     return;
 195
 196   // Only send a single InvalidateRect message at a time.  From DidPaint we
 197   // will dispatch an additional InvalidateRect message if necessary.
 198   if (!waiting_for_paint_) {
 199     waiting_for_paint_ = true;
 200     // Invalidates caused by calls to NPN_InvalidateRect/NPN_InvalidateRgn
 201     // need to be painted asynchronously as per the NPAPI spec.
 202     MessageLoop::current()->PostTask(FROM_HERE,
 203         base::Bind(&WebPluginProxy::OnPaint, weak_factory_.GetWeakPtr(),
 204             damaged_rect_));
 205     damaged_rect_ = gfx::Rect();
 206   }
 207 }
 208
 209 NPObject* WebPluginProxy::GetWindowScriptNPObject() {
 210   if (window_npobject_)
 211     return window_npobject_;
 212
 213   int npobject_route_id = channel_->GenerateRouteID();
 214   bool success = false;
 215   Send(new PluginHostMsg_GetWindowScriptNPObject(
 216       route_id_, npobject_route_id, &success));
 217   if (!success)
 218     return NULL;
 219
 220   window_npobject_ = NPObjectProxy::Create(
 221       channel_, npobject_route_id, host_render_view_routing_id_, page_url_);
 222
 223   return window_npobject_;
 224 }
 225
 226 NPObject* WebPluginProxy::GetPluginElement() {
 227   if (plugin_element_)
 228     return plugin_element_;
 229
 230   int npobject_route_id = channel_->GenerateRouteID();
 231   bool success = false;
 232   Send(new PluginHostMsg_GetPluginElement(route_id_, npobject_route_id,
 233                                           &success));
 234   if (!success)
 235     return NULL;
 236
 237   plugin_element_ = NPObjectProxy::Create(
 238       channel_, npobject_route_id, host_render_view_routing_id_, page_url_);
 239
 240   return plugin_element_;
 241 }
 242
 243 bool WebPluginProxy::FindProxyForUrl(const GURL& url, std::string* proxy_list) {
 244   bool result = false;
 245   Send(new PluginHostMsg_ResolveProxy(route_id_, url, &result, proxy_list));
 246   return result;
 247 }
 248
 249 void WebPluginProxy::SetCookie(const GURL& url,
 250                                const GURL& first_party_for_cookies,
 251                                const std::string& cookie) {
 252   Send(new PluginHostMsg_SetCookie(route_id_, url,
 253                                    first_party_for_cookies, cookie));
 254 }
 255
 256 std::string WebPluginProxy::GetCookies(const GURL& url,
 257                                        const GURL& first_party_for_cookies) {
 258   std::string cookies;
 259   Send(new PluginHostMsg_GetCookies(route_id_, url,
 260                                     first_party_for_cookies, &cookies));
 261
 262   return cookies;
 263 }
 264
 265 WebPluginResourceClient* WebPluginProxy::GetResourceClient(int id) {
 266   ResourceClientMap::iterator iterator = resource_clients_.find(id);
 267   // The IPC messages which deal with streams are now asynchronous. It is
 268   // now possible to receive stream messages from the renderer for streams
 269   // which may have been cancelled by the plugin.
 270   if (iterator == resource_clients_.end()) {
 271     return NULL;
 272   }
 273
 274   return iterator->second;
 275 }
 276
 277 int WebPluginProxy::GetRendererId() {
 278   if (channel_.get())
 279     return channel_->renderer_id();
 280   return -1;
 281 }
 282
 283 void WebPluginProxy::DidPaint() {
 284   // If we have an accumulated damaged rect, then check to see if we need to
 285   // send out another InvalidateRect message.
 286   waiting_for_paint_ = false;
 287   if (!damaged_rect_.IsEmpty())
 288     InvalidateRect(damaged_rect_);
 289 }
 290
 291 void WebPluginProxy::OnResourceCreated(int resource_id,
 292                                        WebPluginResourceClient* client) {
 293   DCHECK(resource_clients_.find(resource_id) == resource_clients_.end());
 294   resource_clients_[resource_id] = client;
 295 }
 296
 297 void WebPluginProxy::HandleURLRequest(const char* url,
 298                                       const char* method,
 299                                       const char* target,
 300                                       const char* buf,
 301                                       unsigned int len,
 302                                       int notify_id,
 303                                       bool popups_allowed,
 304                                       bool notify_redirects) {
 305  if (!target && (0 == base::strcasecmp(method, "GET"))) {
 306     // Please refer to https://bugzilla.mozilla.org/show_bug.cgi?id=366082
 307     // for more details on this.
 308     if (delegate_->GetQuirks() &
 309         webkit::npapi::WebPluginDelegateImpl::
 310             PLUGIN_QUIRK_BLOCK_NONSTANDARD_GETURL_REQUESTS) {
 311       GURL request_url(url);
 312       if (!request_url.SchemeIs(chrome::kHttpScheme) &&
 313           !request_url.SchemeIs(chrome::kHttpsScheme) &&
 314           !request_url.SchemeIs(chrome::kFtpScheme)) {
 315         return;
 316       }
 317     }
 318   }
 319
 320   PluginHostMsg_URLRequest_Params params;
 321   params.url = url;
 322   params.method = method;
 323   if (target)
 324     params.target = std::string(target);
 325
 326   if (len) {
 327     params.buffer.resize(len);
 328     memcpy(&params.buffer.front(), buf, len);
 329   }
 330
 331   params.notify_id = notify_id;
 332   params.popups_allowed = popups_allowed;
 333   params.notify_redirects = notify_redirects;
 334
 335   Send(new PluginHostMsg_URLRequest(route_id_, params));
 336 }
 337
 338 void WebPluginProxy::Paint(const gfx::Rect& rect) {
 339 #if defined(OS_MACOSX)
 340   if (!windowless_context())
 341     return;
 342 #else
 343   if (!windowless_canvas() || !windowless_canvas()->getDevice())
 344     return;
 345 #endif
 346
 347   // Clear the damaged area so that if the plugin doesn't paint there we won't
 348   // end up with the old values.
 349   gfx::Rect offset_rect = rect;
 350   offset_rect.Offset(delegate_->GetRect().OffsetFromOrigin());
 351 #if defined(OS_MACOSX)
 352   CGContextSaveGState(windowless_context());
 353   // It is possible for windowless_contexts_ to change during plugin painting
 354   // (since the plugin can make a synchronous call during paint event handling),
 355   // in which case we don't want to try to restore later. Not an owning ref
 356   // since owning the ref without owning the shared backing memory doesn't make
 357   // sense, so this should only be used for pointer comparisons.
 358   CGContextRef saved_context_weak = windowless_context();
 359   // We also save the buffer index for the comparison because if we flip buffers
 360   // but haven't reallocated them then we do need to restore the context because
 361   // it is going to continue to be used.
 362   int saved_index = windowless_buffer_index_;
 363
 364   CGContextClipToRect(windowless_context(), rect.ToCGRect());
 365   // TODO(caryclark): This is a temporary workaround to allow the Darwin / Skia
 366   // port to share code with the Darwin / CG port. All ports will eventually use
 367   // the common code below.
 368   delegate_->CGPaint(windowless_context(), rect);
 369   if (windowless_contexts_[saved_index].get() == saved_context_weak)
 370     CGContextRestoreGState(windowless_contexts_[saved_index]);
 371 #else
 372   // See above comment about windowless_context_ changing.
 373   // http::/crbug.com/139462
 374   skia::RefPtr<skia::PlatformCanvas> saved_canvas = windowless_canvas();
 375 #if defined(USE_X11)
 376   scoped_refptr<SharedTransportDIB> local_dib_ref(
 377       windowless_dibs_[windowless_buffer_index_]);
 378 #endif
 379
 380   saved_canvas->save();
 381
 382   // The given clip rect is relative to the plugin coordinate system.
 383   SkRect sk_rect = { SkIntToScalar(rect.x()),
 384                      SkIntToScalar(rect.y()),
 385                      SkIntToScalar(rect.right()),
 386                      SkIntToScalar(rect.bottom()) };
 387   saved_canvas->clipRect(sk_rect);
 388
 389   // Fill a transparent value so that if the plugin supports transparency that
 390   // will work.
 391   saved_canvas->drawColor(SkColorSetARGB(0, 0, 0, 0), SkXfermode::kSrc_Mode);
 392
 393   // Bring the windowless canvas into the window coordinate system, which is
 394   // how the plugin expects to draw (since the windowless API was originally
 395   // designed just for scribbling over the web page).
 396   saved_canvas->translate(SkIntToScalar(-delegate_->GetRect().x()),
 397                           SkIntToScalar(-delegate_->GetRect().y()));
 398
 399   // Before we send the invalidate, paint so that renderer uses the updated
 400   // bitmap.
 401   delegate_->Paint(saved_canvas.get(), offset_rect);
 402
 403   saved_canvas->restore();
 404 #endif
 405 }
 406
 407 void WebPluginProxy::UpdateGeometry(
 408     const gfx::Rect& window_rect,
 409     const gfx::Rect& clip_rect,
 410     const TransportDIB::Handle& windowless_buffer0,
 411     const TransportDIB::Handle& windowless_buffer1,
 412     int windowless_buffer_index) {
 413   gfx::Rect old = delegate_->GetRect();
 414   gfx::Rect old_clip_rect = delegate_->GetClipRect();
 415
 416   // Update the buffers before doing anything that could call into plugin code,
 417   // so that we don't process buffer changes out of order if plugins make
 418   // synchronous calls that lead to nested UpdateGeometry calls.
 419   if (TransportDIB::is_valid_handle(windowless_buffer0)) {
 420     // The plugin's rect changed, so now we have new buffers to draw into.
 421     SetWindowlessBuffers(windowless_buffer0,
 422                          windowless_buffer1,
 423                          window_rect);
 424   }
 425
 426   DCHECK(0 <= windowless_buffer_index && windowless_buffer_index <= 1);
 427   windowless_buffer_index_ = windowless_buffer_index;
 428 #if defined(USE_X11)
 429   delegate_->SetWindowlessShmPixmap(windowless_shm_pixmap());
 430 #endif
 431
 432 #if defined(OS_MACOSX)
 433   delegate_->UpdateGeometryAndContext(
 434       window_rect, clip_rect, windowless_context());
 435 #else
 436   delegate_->UpdateGeometry(window_rect, clip_rect);
 437 #endif
 438
 439   // Send over any pending invalidates which occured when the plugin was
 440   // off screen.
 441   if (delegate_->IsWindowless() && !clip_rect.IsEmpty() &&
 442       !damaged_rect_.IsEmpty()) {
 443     InvalidateRect(damaged_rect_);
 444   }
 445 }
 446
 447 #if defined(OS_WIN)
 448
 449 void WebPluginProxy::CreateCanvasFromHandle(
 450     const TransportDIB::Handle& dib_handle,
 451     const gfx::Rect& window_rect,
 452     skia::RefPtr<skia::PlatformCanvas>* canvas) {
 453   *canvas = skia::AdoptRef(
 454       skia::CreatePlatformCanvas(window_rect.width(),
 455                                  window_rect.height(),
 456                                  true,
 457                                  dib_handle,
 458                                  skia::RETURN_NULL_ON_FAILURE));
 459   // The canvas does not own the section so we need to close it now.
 460   CloseHandle(dib_handle);
 461 }
 462
 463 void WebPluginProxy::SetWindowlessBuffers(
 464     const TransportDIB::Handle& windowless_buffer0,
 465     const TransportDIB::Handle& windowless_buffer1,
 466     const gfx::Rect& window_rect) {
 467   CreateCanvasFromHandle(windowless_buffer0,
 468                          window_rect,
 469                          &windowless_canvases_[0]);
 470   if (!windowless_canvases_[0]) {
 471     windowless_canvases_[1].clear();
 472     return;
 473   }
 474   CreateCanvasFromHandle(windowless_buffer1,
 475                          window_rect,
 476                          &windowless_canvases_[1]);
 477   if (!windowless_canvases_[1]) {
 478     windowless_canvases_[0].clear();
 479     return;
 480   }
 481 }
 482
 483 #elif defined(OS_MACOSX)
 484
 485 void WebPluginProxy::CreateDIBAndCGContextFromHandle(
 486     const TransportDIB::Handle& dib_handle,
 487     const gfx::Rect& window_rect,
 488     scoped_ptr<TransportDIB>* dib_out,
 489     base::mac::ScopedCFTypeRef<CGContextRef>* cg_context_out) {
 490   // Convert the shared memory handle to a handle that works in our process,
 491   // and then use that to create a CGContextRef.
 492   TransportDIB* dib = TransportDIB::Map(dib_handle);
 493   CGContextRef cg_context = NULL;
 494   if (dib) {
 495     cg_context = CGBitmapContextCreate(
 496         dib->memory(),
 497         window_rect.width(),
 498         window_rect.height(),
 499         8,
 500         4 * window_rect.width(),
 501         base::mac::GetSystemColorSpace(),
 502         kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
 503     CGContextTranslateCTM(cg_context, 0, window_rect.height());
 504     CGContextScaleCTM(cg_context, 1, -1);
 505   }
 506   dib_out->reset(dib);
 507   cg_context_out->reset(cg_context);
 508 }
 509
 510 void WebPluginProxy::SetWindowlessBuffers(
 511     const TransportDIB::Handle& windowless_buffer0,
 512     const TransportDIB::Handle& windowless_buffer1,
 513     const gfx::Rect& window_rect) {
 514   CreateDIBAndCGContextFromHandle(windowless_buffer0,
 515                                   window_rect,
 516                                   &windowless_dibs_[0],
 517                                   &windowless_contexts_[0]);
 518   CreateDIBAndCGContextFromHandle(windowless_buffer1,
 519                                   window_rect,
 520                                   &windowless_dibs_[1],
 521                                   &windowless_contexts_[1]);
 522 }
 523
 524 #elif defined(USE_X11)
 525
 526 void WebPluginProxy::CreateDIBAndCanvasFromHandle(
 527     const TransportDIB::Handle& dib_handle,
 528     const gfx::Rect& window_rect,
 529     scoped_refptr<SharedTransportDIB>* dib_out,
 530     skia::RefPtr<skia::PlatformCanvas>* canvas) {
 531   TransportDIB* dib = TransportDIB::Map(dib_handle);
 532   // dib may be NULL if the renderer has already destroyed the TransportDIB by
 533   // the time we receive the handle, e.g. in case of multiple resizes.
 534   if (dib) {
 535     *canvas = skia::AdoptRef(
 536         dib->GetPlatformCanvas(window_rect.width(), window_rect.height()));
 537   } else {
 538     canvas->clear();
 539   }
 540   *dib_out = new SharedTransportDIB(dib);
 541 }
 542
 543 void WebPluginProxy::CreateShmPixmapFromDIB(
 544     TransportDIB* dib,
 545     const gfx::Rect& window_rect,
 546     XID* pixmap_out) {
 547   if (dib) {
 548     Display* display = ui::GetXDisplay();
 549     XID root_window = ui::GetX11RootWindow();
 550     XShmSegmentInfo shminfo = {0};
 551
 552     if (*pixmap_out != None)
 553       XFreePixmap(display, *pixmap_out);
 554
 555     shminfo.shmseg = dib->MapToX(display);
 556     // Create a shared memory pixmap based on the image buffer.
 557     *pixmap_out = XShmCreatePixmap(display, root_window,
 558                                    NULL, &shminfo,
 559                                    window_rect.width(), window_rect.height(),
 560                                    DefaultDepth(display,
 561                                                 DefaultScreen(display)));
 562   }
 563 }
 564
 565 void WebPluginProxy::SetWindowlessBuffers(
 566     const TransportDIB::Handle& windowless_buffer0,
 567     const TransportDIB::Handle& windowless_buffer1,
 568     const gfx::Rect& window_rect) {
 569   CreateDIBAndCanvasFromHandle(windowless_buffer0,
 570                                window_rect,
 571                                &windowless_dibs_[0],
 572                                &windowless_canvases_[0]);
 573   CreateDIBAndCanvasFromHandle(windowless_buffer1,
 574                                window_rect,
 575                                &windowless_dibs_[1],
 576                                &windowless_canvases_[1]);
 577
 578   // If SHM pixmaps support is available, create SHM pixmaps to pass to the
 579   // delegate for windowless plugin painting.
 580   if (delegate_->IsWindowless() && use_shm_pixmap_) {
 581     CreateShmPixmapFromDIB(windowless_dibs_[0]->dib(),
 582                            window_rect,
 583                            &windowless_shm_pixmaps_[0]);
 584     CreateShmPixmapFromDIB(windowless_dibs_[1]->dib(),
 585                            window_rect,
 586                            &windowless_shm_pixmaps_[1]);
 587   }
 588 }
 589
 590 #elif defined(OS_ANDROID)
 591
 592 void WebPluginProxy::SetWindowlessBuffers(
 593     const TransportDIB::Handle& windowless_buffer0,
 594     const TransportDIB::Handle& windowless_buffer1,
 595     const gfx::Rect& window_rect) {
 596   NOTIMPLEMENTED();
 597 }
 598
 599 #endif
 600
 601 void WebPluginProxy::CancelDocumentLoad() {
 602   Send(new PluginHostMsg_CancelDocumentLoad(route_id_));
 603 }
 604
 605 void WebPluginProxy::InitiateHTTPRangeRequest(
 606     const char* url, const char* range_info, int range_request_id) {
 607   Send(new PluginHostMsg_InitiateHTTPRangeRequest(
 608       route_id_, url, range_info, range_request_id));
 609 }
 610
 611 void WebPluginProxy::SetDeferResourceLoading(unsigned long resource_id,
 612                                              bool defer) {
 613   Send(new PluginHostMsg_DeferResourceLoading(route_id_, resource_id, defer));
 614 }
 615
 616 #if defined(OS_MACOSX)
 617 void WebPluginProxy::FocusChanged(bool focused) {
 618   IPC::Message* msg = new PluginHostMsg_FocusChanged(route_id_, focused);
 619   Send(msg);
 620 }
 621
 622 void WebPluginProxy::StartIme() {
 623   IPC::Message* msg = new PluginHostMsg_StartIme(route_id_);
 624   // This message can be sent during event-handling, and needs to be delivered
 625   // within that context.
 626   msg->set_unblock(true);
 627   Send(msg);
 628 }
 629
 630 void WebPluginProxy::BindFakePluginWindowHandle(bool opaque) {
 631   Send(new PluginHostMsg_BindFakePluginWindowHandle(route_id_, opaque));
 632 }
 633
 634 WebPluginAcceleratedSurface* WebPluginProxy::GetAcceleratedSurface(
 635     gfx::GpuPreference gpu_preference) {
 636   if (!accelerated_surface_.get())
 637     accelerated_surface_.reset(
 638         WebPluginAcceleratedSurfaceProxy::Create(this, gpu_preference));
 639   return accelerated_surface_.get();
 640 }
 641
 642 void WebPluginProxy::AcceleratedFrameBuffersDidSwap(
 643     gfx::PluginWindowHandle window, uint64 surface_handle) {
 644   Send(new PluginHostMsg_AcceleratedSurfaceBuffersSwapped(
 645         route_id_, window, surface_handle));
 646 }
 647
 648 void WebPluginProxy::SetAcceleratedSurface(
 649     gfx::PluginWindowHandle window,
 650     const gfx::Size& size,
 651     uint64 accelerated_surface_identifier) {
 652   Send(new PluginHostMsg_AcceleratedSurfaceSetIOSurface(
 653       route_id_, window, size.width(), size.height(),
 654       accelerated_surface_identifier));
 655 }
 656
 657 void WebPluginProxy::SetAcceleratedDIB(
 658     gfx::PluginWindowHandle window,
 659     const gfx::Size& size,
 660     const TransportDIB::Handle& dib_handle) {
 661   Send(new PluginHostMsg_AcceleratedSurfaceSetTransportDIB(
 662       route_id_, window, size.width(), size.height(), dib_handle));
 663 }
 664
 665 void WebPluginProxy::AllocSurfaceDIB(const size_t size,
 666                                      TransportDIB::Handle* dib_handle) {
 667   Send(new PluginHostMsg_AllocTransportDIB(route_id_, size, dib_handle));
 668 }
 669
 670 void WebPluginProxy::FreeSurfaceDIB(TransportDIB::Id dib_id) {
 671   Send(new PluginHostMsg_FreeTransportDIB(route_id_, dib_id));
 672 }
 673
 674 void WebPluginProxy::AcceleratedPluginEnabledRendering() {
 675   Send(new PluginHostMsg_AcceleratedPluginEnabledRendering(route_id_));
 676 }
 677
 678 void WebPluginProxy::AcceleratedPluginAllocatedIOSurface(int32 width,
 679                                                          int32 height,
 680                                                          uint32 surface_id) {
 681   Send(new PluginHostMsg_AcceleratedPluginAllocatedIOSurface(
 682       route_id_, width, height, surface_id));
 683 }
 684
 685 void WebPluginProxy::AcceleratedPluginSwappedIOSurface() {
 686   Send(new PluginHostMsg_AcceleratedPluginSwappedIOSurface(
 687       route_id_));
 688 }
 689 #endif
 690
 691 void WebPluginProxy::OnPaint(const gfx::Rect& damaged_rect) {
 692   GetContentClient()->SetActiveURL(page_url_);
 693
 694   Paint(damaged_rect);
 695   Send(new PluginHostMsg_InvalidateRect(route_id_, damaged_rect));
 696 }
 697
 698 bool WebPluginProxy::IsOffTheRecord() {
 699   return channel_->incognito();
 700 }
 701
 702 void WebPluginProxy::ResourceClientDeleted(
 703     WebPluginResourceClient* resource_client) {
 704   ResourceClientMap::iterator index = resource_clients_.begin();
 705   while (index != resource_clients_.end()) {
 706     WebPluginResourceClient* client = (*index).second;
 707
 708     if (client == resource_client) {
 709       resource_clients_.erase(index++);
 710     } else {
 711       index++;
 712     }
 713   }
 714 }
 715
 716 void WebPluginProxy::URLRedirectResponse(bool allow, int resource_id) {
 717   Send(new PluginHostMsg_URLRedirectResponse(route_id_, allow, resource_id));
 718 }
 719
 720 #if defined(OS_WIN) && !defined(USE_AURA)
 721 void WebPluginProxy::UpdateIMEStatus() {
 722   // Retrieve the IME status from a plug-in and send it to a renderer process
 723   // when the plug-in has updated it.
 724   int input_type;
 725   gfx::Rect caret_rect;
 726   if (!delegate_->GetIMEStatus(&input_type, &caret_rect))
 727     return;
 728
 729   Send(new PluginHostMsg_NotifyIMEStatus(route_id_, input_type, caret_rect));
 730 }
 731 #endif
 732
 733 }  // namespace content