webplugin_proxy.cc revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40 
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/memory/shared_memory.h"
13#include "build/build_config.h"
14#include "content/child/npapi/npobject_proxy.h"
15#include "content/child/npapi/npobject_util.h"
16#include "content/child/npapi/webplugin_delegate_impl.h"
17#include "content/child/plugin_messages.h"
18#include "content/plugin/plugin_channel.h"
19#include "content/plugin/plugin_thread.h"
20#include "content/public/common/content_client.h"
21#include "content/public/common/url_constants.h"
22#include "skia/ext/platform_canvas.h"
23#include "skia/ext/platform_device.h"
24#include "third_party/WebKit/public/web/WebBindings.h"
25#include "ui/gfx/blit.h"
26#include "ui/gfx/canvas.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/common/plugin_process_messages.h"
40#include "content/public/common/sandbox_init.h"
41#endif
42
43using WebKit::WebBindings;
44
45namespace content {
46
47WebPluginProxy::SharedTransportDIB::SharedTransportDIB(TransportDIB* dib)
48    : dib_(dib) {
49}
50
51WebPluginProxy::SharedTransportDIB::~SharedTransportDIB() {
52}
53
54WebPluginProxy::WebPluginProxy(
55    PluginChannel* channel,
56    int route_id,
57    const GURL& page_url,
58    int host_render_view_routing_id)
59    : channel_(channel),
60      route_id_(route_id),
61      window_npobject_(NULL),
62      plugin_element_(NULL),
63      delegate_(NULL),
64      waiting_for_paint_(false),
65      page_url_(page_url),
66      windowless_buffer_index_(0),
67      host_render_view_routing_id_(host_render_view_routing_id),
68      weak_factory_(this) {
69#if defined(USE_X11)
70  windowless_shm_pixmaps_[0] = None;
71  windowless_shm_pixmaps_[1] = None;
72  use_shm_pixmap_ = false;
73
74  // If the X server supports SHM pixmaps
75  // and the color depth and masks match,
76  // then consider using SHM pixmaps for windowless plugin painting.
77  Display* display = ui::GetXDisplay();
78  if (ui::QuerySharedMemorySupport(display) == ui::SHARED_MEMORY_PIXMAP &&
79      ui::BitsPerPixelForPixmapDepth(
80          display, DefaultDepth(display, DefaultScreen(display))) == 32) {
81    Visual* vis = DefaultVisual(display, DefaultScreen(display));
82
83    if (vis->red_mask == 0xff0000 &&
84        vis->green_mask == 0xff00 &&
85        vis->blue_mask == 0xff)
86      use_shm_pixmap_ = true;
87  }
88#endif
89}
90
91WebPluginProxy::~WebPluginProxy() {
92#if defined(USE_X11)
93  if (windowless_shm_pixmaps_[0] != None)
94    XFreePixmap(ui::GetXDisplay(), windowless_shm_pixmaps_[0]);
95  if (windowless_shm_pixmaps_[1] != None)
96    XFreePixmap(ui::GetXDisplay(), windowless_shm_pixmaps_[1]);
97#endif
98
99#if defined(OS_MACOSX)
100  // Destroy the surface early, since it may send messages during cleanup.
101  if (accelerated_surface_)
102    accelerated_surface_.reset();
103#endif
104
105  if (plugin_element_)
106    WebBindings::releaseObject(plugin_element_);
107  if (window_npobject_)
108    WebBindings::releaseObject(window_npobject_);
109}
110
111bool WebPluginProxy::Send(IPC::Message* msg) {
112  return channel_->Send(msg);
113}
114
115void WebPluginProxy::SetWindow(gfx::PluginWindowHandle window) {
116  Send(new PluginHostMsg_SetWindow(route_id_, window));
117}
118
119void WebPluginProxy::SetAcceptsInputEvents(bool accepts) {
120  NOTREACHED();
121}
122
123void WebPluginProxy::WillDestroyWindow(gfx::PluginWindowHandle window) {
124#if defined(OS_WIN)
125  PluginThread::current()->Send(
126      new PluginProcessHostMsg_PluginWindowDestroyed(
127          window, ::GetParent(window)));
128#elif defined(USE_X11)
129  // Nothing to do.
130#else
131  NOTIMPLEMENTED();
132#endif
133}
134
135#if defined(OS_WIN)
136void WebPluginProxy::SetWindowlessData(
137    HANDLE pump_messages_event, gfx::NativeViewId dummy_activation_window) {
138  HANDLE pump_messages_event_for_renderer = NULL;
139  BrokerDuplicateHandle(pump_messages_event, channel_->peer_pid(),
140                                 &pump_messages_event_for_renderer,
141                                 SYNCHRONIZE | EVENT_MODIFY_STATE, 0);
142  DCHECK(pump_messages_event_for_renderer);
143  Send(new PluginHostMsg_SetWindowlessData(
144      route_id_, pump_messages_event_for_renderer, dummy_activation_window));
145}
146#endif
147
148void WebPluginProxy::CancelResource(unsigned long id) {
149  Send(new PluginHostMsg_CancelResource(route_id_, id));
150  resource_clients_.erase(id);
151}
152
153void WebPluginProxy::Invalidate() {
154  gfx::Rect rect(0, 0,
155                 delegate_->GetRect().width(),
156                 delegate_->GetRect().height());
157  InvalidateRect(rect);
158}
159
160void WebPluginProxy::InvalidateRect(const gfx::Rect& rect) {
161#if defined(OS_MACOSX)
162  // If this is a Core Animation plugin, all we need to do is inform the
163  // delegate.
164  if (!windowless_context()) {
165    delegate_->PluginDidInvalidate();
166    return;
167  }
168
169  // Some plugins will send invalidates larger than their own rect when
170  // offscreen, so constrain invalidates to the plugin rect.
171  gfx::Rect plugin_rect = delegate_->GetRect();
172  plugin_rect.set_origin(gfx::Point(0, 0));
173  plugin_rect.Intersect(rect);
174  const gfx::Rect invalidate_rect(plugin_rect);
175#else
176  const gfx::Rect invalidate_rect(rect);
177#endif
178  damaged_rect_.Union(invalidate_rect);
179  // Ignore NPN_InvalidateRect calls with empty rects.  Also don't send an
180  // invalidate if it's outside the clipping region, since if we did it won't
181  // lead to a paint and we'll be stuck waiting forever for a DidPaint response.
182  //
183  // TODO(piman): There is a race condition here, because this test assumes
184  // that when the paint actually occurs, the clip rect will not have changed.
185  // This is not true because scrolling (or window resize) could occur and be
186  // handled by the renderer before it receives the InvalidateRect message,
187  // changing the clip rect and then not painting.
188  if (damaged_rect_.IsEmpty() ||
189      !delegate_->GetClipRect().Intersects(damaged_rect_))
190    return;
191
192  // Only send a single InvalidateRect message at a time.  From DidPaint we
193  // will dispatch an additional InvalidateRect message if necessary.
194  if (!waiting_for_paint_) {
195    waiting_for_paint_ = true;
196    // Invalidates caused by calls to NPN_InvalidateRect/NPN_InvalidateRgn
197    // need to be painted asynchronously as per the NPAPI spec.
198    base::MessageLoop::current()->PostTask(
199        FROM_HERE,
200        base::Bind(&WebPluginProxy::OnPaint,
201                   weak_factory_.GetWeakPtr(),
202                   damaged_rect_));
203    damaged_rect_ = gfx::Rect();
204  }
205}
206
207NPObject* WebPluginProxy::GetWindowScriptNPObject() {
208  if (window_npobject_)
209    return window_npobject_;
210
211  int npobject_route_id = channel_->GenerateRouteID();
212  bool success = false;
213  Send(new PluginHostMsg_GetWindowScriptNPObject(
214      route_id_, npobject_route_id, &success));
215  if (!success)
216    return NULL;
217
218  // PluginChannel creates a dummy owner identifier for unknown owners, so
219  // use that.
220  NPP owner = channel_->GetExistingNPObjectOwner(MSG_ROUTING_NONE);
221
222  window_npobject_ = NPObjectProxy::Create(channel_.get(),
223                                           npobject_route_id,
224                                           host_render_view_routing_id_,
225                                           page_url_,
226                                           owner);
227
228  return window_npobject_;
229}
230
231NPObject* WebPluginProxy::GetPluginElement() {
232  if (plugin_element_)
233    return plugin_element_;
234
235  int npobject_route_id = channel_->GenerateRouteID();
236  bool success = false;
237  Send(new PluginHostMsg_GetPluginElement(route_id_, npobject_route_id,
238                                          &success));
239  if (!success)
240    return NULL;
241
242  // PluginChannel creates a dummy owner identifier for unknown owners, so
243  // use that.
244  NPP owner = channel_->GetExistingNPObjectOwner(MSG_ROUTING_NONE);
245
246  plugin_element_ = NPObjectProxy::Create(channel_.get(),
247                                          npobject_route_id,
248                                          host_render_view_routing_id_,
249                                          page_url_,
250                                          owner);
251
252  return plugin_element_;
253}
254
255bool WebPluginProxy::FindProxyForUrl(const GURL& url, std::string* proxy_list) {
256  bool result = false;
257  Send(new PluginHostMsg_ResolveProxy(route_id_, url, &result, proxy_list));
258  return result;
259}
260
261void WebPluginProxy::SetCookie(const GURL& url,
262                               const GURL& first_party_for_cookies,
263                               const std::string& cookie) {
264  Send(new PluginHostMsg_SetCookie(route_id_, url,
265                                   first_party_for_cookies, cookie));
266}
267
268std::string WebPluginProxy::GetCookies(const GURL& url,
269                                       const GURL& first_party_for_cookies) {
270  std::string cookies;
271  Send(new PluginHostMsg_GetCookies(route_id_, url,
272                                    first_party_for_cookies, &cookies));
273
274  return cookies;
275}
276
277WebPluginResourceClient* WebPluginProxy::GetResourceClient(int id) {
278  ResourceClientMap::iterator iterator = resource_clients_.find(id);
279  // The IPC messages which deal with streams are now asynchronous. It is
280  // now possible to receive stream messages from the renderer for streams
281  // which may have been cancelled by the plugin.
282  if (iterator == resource_clients_.end()) {
283    return NULL;
284  }
285
286  return iterator->second;
287}
288
289int WebPluginProxy::GetRendererId() {
290  if (channel_.get())
291    return channel_->renderer_id();
292  return -1;
293}
294
295void WebPluginProxy::DidPaint() {
296  // If we have an accumulated damaged rect, then check to see if we need to
297  // send out another InvalidateRect message.
298  waiting_for_paint_ = false;
299  if (!damaged_rect_.IsEmpty())
300    InvalidateRect(damaged_rect_);
301}
302
303void WebPluginProxy::OnResourceCreated(int resource_id,
304                                       WebPluginResourceClient* client) {
305  DCHECK(resource_clients_.find(resource_id) == resource_clients_.end());
306  resource_clients_[resource_id] = client;
307}
308
309void WebPluginProxy::HandleURLRequest(const char* url,
310                                      const char* method,
311                                      const char* target,
312                                      const char* buf,
313                                      unsigned int len,
314                                      int notify_id,
315                                      bool popups_allowed,
316                                      bool notify_redirects) {
317 if (!target && (0 == base::strcasecmp(method, "GET"))) {
318    // Please refer to https://bugzilla.mozilla.org/show_bug.cgi?id=366082
319    // for more details on this.
320    if (delegate_->GetQuirks() &
321        WebPluginDelegateImpl::PLUGIN_QUIRK_BLOCK_NONSTANDARD_GETURL_REQUESTS) {
322      GURL request_url(url);
323      if (!request_url.SchemeIs(chrome::kHttpScheme) &&
324          !request_url.SchemeIs(chrome::kHttpsScheme) &&
325          !request_url.SchemeIs(chrome::kFtpScheme)) {
326        return;
327      }
328    }
329  }
330
331  PluginHostMsg_URLRequest_Params params;
332  params.url = url;
333  params.method = method;
334  if (target)
335    params.target = std::string(target);
336
337  if (len) {
338    params.buffer.resize(len);
339    memcpy(&params.buffer.front(), buf, len);
340  }
341
342  params.notify_id = notify_id;
343  params.popups_allowed = popups_allowed;
344  params.notify_redirects = notify_redirects;
345
346  Send(new PluginHostMsg_URLRequest(route_id_, params));
347}
348
349void WebPluginProxy::Paint(const gfx::Rect& rect) {
350#if defined(OS_MACOSX)
351  if (!windowless_context())
352    return;
353#else
354  if (!windowless_canvas() || !windowless_canvas()->getDevice())
355    return;
356#endif
357
358  // Clear the damaged area so that if the plugin doesn't paint there we won't
359  // end up with the old values.
360  gfx::Rect offset_rect = rect;
361  offset_rect.Offset(delegate_->GetRect().OffsetFromOrigin());
362#if defined(OS_MACOSX)
363  CGContextSaveGState(windowless_context());
364  // It is possible for windowless_contexts_ to change during plugin painting
365  // (since the plugin can make a synchronous call during paint event handling),
366  // in which case we don't want to try to restore later. Not an owning ref
367  // since owning the ref without owning the shared backing memory doesn't make
368  // sense, so this should only be used for pointer comparisons.
369  CGContextRef saved_context_weak = windowless_context();
370  // We also save the buffer index for the comparison because if we flip buffers
371  // but haven't reallocated them then we do need to restore the context because
372  // it is going to continue to be used.
373  int saved_index = windowless_buffer_index_;
374
375  CGContextClipToRect(windowless_context(), rect.ToCGRect());
376  // TODO(caryclark): This is a temporary workaround to allow the Darwin / Skia
377  // port to share code with the Darwin / CG port. All ports will eventually use
378  // the common code below.
379  delegate_->CGPaint(windowless_context(), rect);
380  if (windowless_contexts_[saved_index].get() == saved_context_weak)
381    CGContextRestoreGState(windowless_contexts_[saved_index]);
382#else
383  // See above comment about windowless_context_ changing.
384  // http::/crbug.com/139462
385  skia::RefPtr<skia::PlatformCanvas> saved_canvas = windowless_canvas();
386#if defined(USE_X11)
387  scoped_refptr<SharedTransportDIB> local_dib_ref(
388      windowless_dibs_[windowless_buffer_index_]);
389#endif
390
391  saved_canvas->save();
392
393  // The given clip rect is relative to the plugin coordinate system.
394  SkRect sk_rect = { SkIntToScalar(rect.x()),
395                     SkIntToScalar(rect.y()),
396                     SkIntToScalar(rect.right()),
397                     SkIntToScalar(rect.bottom()) };
398  saved_canvas->clipRect(sk_rect);
399
400  // Fill a transparent value so that if the plugin supports transparency that
401  // will work.
402  saved_canvas->drawColor(SkColorSetARGB(0, 0, 0, 0), SkXfermode::kSrc_Mode);
403
404  // Bring the windowless canvas into the window coordinate system, which is
405  // how the plugin expects to draw (since the windowless API was originally
406  // designed just for scribbling over the web page).
407  saved_canvas->translate(SkIntToScalar(-delegate_->GetRect().x()),
408                          SkIntToScalar(-delegate_->GetRect().y()));
409
410  // Before we send the invalidate, paint so that renderer uses the updated
411  // bitmap.
412  delegate_->Paint(saved_canvas.get(), offset_rect);
413
414  saved_canvas->restore();
415#endif
416}
417
418void WebPluginProxy::UpdateGeometry(
419    const gfx::Rect& window_rect,
420    const gfx::Rect& clip_rect,
421    const TransportDIB::Handle& windowless_buffer0,
422    const TransportDIB::Handle& windowless_buffer1,
423    int windowless_buffer_index) {
424  gfx::Rect old = delegate_->GetRect();
425  gfx::Rect old_clip_rect = delegate_->GetClipRect();
426
427  // Update the buffers before doing anything that could call into plugin code,
428  // so that we don't process buffer changes out of order if plugins make
429  // synchronous calls that lead to nested UpdateGeometry calls.
430  if (TransportDIB::is_valid_handle(windowless_buffer0)) {
431    // The plugin's rect changed, so now we have new buffers to draw into.
432    SetWindowlessBuffers(windowless_buffer0,
433                         windowless_buffer1,
434                         window_rect);
435  }
436
437  DCHECK(0 <= windowless_buffer_index && windowless_buffer_index <= 1);
438  windowless_buffer_index_ = windowless_buffer_index;
439#if defined(USE_X11)
440  delegate_->SetWindowlessShmPixmap(windowless_shm_pixmap());
441#endif
442
443#if defined(OS_MACOSX)
444  delegate_->UpdateGeometryAndContext(
445      window_rect, clip_rect, windowless_context());
446#else
447  delegate_->UpdateGeometry(window_rect, clip_rect);
448#endif
449
450  // Send over any pending invalidates which occured when the plugin was
451  // off screen.
452  if (delegate_->IsWindowless() && !clip_rect.IsEmpty() &&
453      !damaged_rect_.IsEmpty()) {
454    InvalidateRect(damaged_rect_);
455  }
456}
457
458#if defined(OS_WIN)
459
460void WebPluginProxy::CreateCanvasFromHandle(
461    const TransportDIB::Handle& dib_handle,
462    const gfx::Rect& window_rect,
463    skia::RefPtr<skia::PlatformCanvas>* canvas) {
464  *canvas = skia::AdoptRef(
465      skia::CreatePlatformCanvas(window_rect.width(),
466                                 window_rect.height(),
467                                 true,
468                                 dib_handle,
469                                 skia::RETURN_NULL_ON_FAILURE));
470  // The canvas does not own the section so we need to close it now.
471  CloseHandle(dib_handle);
472}
473
474void WebPluginProxy::SetWindowlessBuffers(
475    const TransportDIB::Handle& windowless_buffer0,
476    const TransportDIB::Handle& windowless_buffer1,
477    const gfx::Rect& window_rect) {
478  CreateCanvasFromHandle(windowless_buffer0,
479                         window_rect,
480                         &windowless_canvases_[0]);
481  if (!windowless_canvases_[0]) {
482    windowless_canvases_[1].clear();
483    return;
484  }
485  CreateCanvasFromHandle(windowless_buffer1,
486                         window_rect,
487                         &windowless_canvases_[1]);
488  if (!windowless_canvases_[1]) {
489    windowless_canvases_[0].clear();
490    return;
491  }
492}
493
494#elif defined(OS_MACOSX)
495
496void WebPluginProxy::CreateDIBAndCGContextFromHandle(
497    const TransportDIB::Handle& dib_handle,
498    const gfx::Rect& window_rect,
499    scoped_ptr<TransportDIB>* dib_out,
500    base::ScopedCFTypeRef<CGContextRef>* cg_context_out) {
501  // Convert the shared memory handle to a handle that works in our process,
502  // and then use that to create a CGContextRef.
503  TransportDIB* dib = TransportDIB::Map(dib_handle);
504  CGContextRef cg_context = NULL;
505  if (dib) {
506    cg_context = CGBitmapContextCreate(
507        dib->memory(),
508        window_rect.width(),
509        window_rect.height(),
510        8,
511        4 * window_rect.width(),
512        base::mac::GetSystemColorSpace(),
513        kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host);
514    CGContextTranslateCTM(cg_context, 0, window_rect.height());
515    CGContextScaleCTM(cg_context, 1, -1);
516  }
517  dib_out->reset(dib);
518  cg_context_out->reset(cg_context);
519}
520
521void WebPluginProxy::SetWindowlessBuffers(
522    const TransportDIB::Handle& windowless_buffer0,
523    const TransportDIB::Handle& windowless_buffer1,
524    const gfx::Rect& window_rect) {
525  CreateDIBAndCGContextFromHandle(windowless_buffer0,
526                                  window_rect,
527                                  &windowless_dibs_[0],
528                                  &windowless_contexts_[0]);
529  CreateDIBAndCGContextFromHandle(windowless_buffer1,
530                                  window_rect,
531                                  &windowless_dibs_[1],
532                                  &windowless_contexts_[1]);
533}
534
535#elif defined(TOOLKIT_GTK)
536
537void WebPluginProxy::CreateDIBAndCanvasFromHandle(
538    const TransportDIB::Handle& dib_handle,
539    const gfx::Rect& window_rect,
540    scoped_refptr<SharedTransportDIB>* dib_out,
541    skia::RefPtr<skia::PlatformCanvas>* canvas) {
542  TransportDIB* dib = TransportDIB::Map(dib_handle);
543  // dib may be NULL if the renderer has already destroyed the TransportDIB by
544  // the time we receive the handle, e.g. in case of multiple resizes.
545  if (dib) {
546    *canvas = skia::AdoptRef(
547        dib->GetPlatformCanvas(window_rect.width(), window_rect.height()));
548  } else {
549    canvas->clear();
550  }
551  *dib_out = new SharedTransportDIB(dib);
552}
553
554void WebPluginProxy::CreateShmPixmapFromDIB(
555    TransportDIB* dib,
556    const gfx::Rect& window_rect,
557    XID* pixmap_out) {
558  if (dib) {
559    Display* display = ui::GetXDisplay();
560    XID root_window = ui::GetX11RootWindow();
561    XShmSegmentInfo shminfo = {0};
562
563    if (*pixmap_out != None)
564      XFreePixmap(display, *pixmap_out);
565
566    shminfo.shmseg = dib->MapToX(display);
567    // Create a shared memory pixmap based on the image buffer.
568    *pixmap_out = XShmCreatePixmap(display, root_window,
569                                   NULL, &shminfo,
570                                   window_rect.width(), window_rect.height(),
571                                   DefaultDepth(display,
572                                                DefaultScreen(display)));
573  }
574}
575
576void WebPluginProxy::SetWindowlessBuffers(
577    const TransportDIB::Handle& windowless_buffer0,
578    const TransportDIB::Handle& windowless_buffer1,
579    const gfx::Rect& window_rect) {
580  CreateDIBAndCanvasFromHandle(windowless_buffer0,
581                               window_rect,
582                               &windowless_dibs_[0],
583                               &windowless_canvases_[0]);
584  CreateDIBAndCanvasFromHandle(windowless_buffer1,
585                               window_rect,
586                               &windowless_dibs_[1],
587                               &windowless_canvases_[1]);
588
589  // If SHM pixmaps support is available, create SHM pixmaps to pass to the
590  // delegate for windowless plugin painting.
591  if (delegate_->IsWindowless() && use_shm_pixmap_) {
592    CreateShmPixmapFromDIB(windowless_dibs_[0]->dib(),
593                           window_rect,
594                           &windowless_shm_pixmaps_[0]);
595    CreateShmPixmapFromDIB(windowless_dibs_[1]->dib(),
596                           window_rect,
597                           &windowless_shm_pixmaps_[1]);
598  }
599}
600
601#else
602
603void WebPluginProxy::SetWindowlessBuffers(
604    const TransportDIB::Handle& windowless_buffer0,
605    const TransportDIB::Handle& windowless_buffer1,
606    const gfx::Rect& window_rect) {
607  NOTIMPLEMENTED();
608}
609
610#endif
611
612void WebPluginProxy::CancelDocumentLoad() {
613  Send(new PluginHostMsg_CancelDocumentLoad(route_id_));
614}
615
616void WebPluginProxy::InitiateHTTPRangeRequest(
617    const char* url, const char* range_info, int range_request_id) {
618  Send(new PluginHostMsg_InitiateHTTPRangeRequest(
619      route_id_, url, range_info, range_request_id));
620}
621
622void WebPluginProxy::SetDeferResourceLoading(unsigned long resource_id,
623                                             bool defer) {
624  Send(new PluginHostMsg_DeferResourceLoading(route_id_, resource_id, defer));
625}
626
627#if defined(OS_MACOSX)
628void WebPluginProxy::FocusChanged(bool focused) {
629  IPC::Message* msg = new PluginHostMsg_FocusChanged(route_id_, focused);
630  Send(msg);
631}
632
633void WebPluginProxy::StartIme() {
634  IPC::Message* msg = new PluginHostMsg_StartIme(route_id_);
635  // This message can be sent during event-handling, and needs to be delivered
636  // within that context.
637  msg->set_unblock(true);
638  Send(msg);
639}
640
641WebPluginAcceleratedSurface* WebPluginProxy::GetAcceleratedSurface(
642    gfx::GpuPreference gpu_preference) {
643  if (!accelerated_surface_)
644    accelerated_surface_.reset(
645        WebPluginAcceleratedSurfaceProxy::Create(this, gpu_preference));
646  return accelerated_surface_.get();
647}
648
649void WebPluginProxy::AcceleratedPluginEnabledRendering() {
650  Send(new PluginHostMsg_AcceleratedPluginEnabledRendering(route_id_));
651}
652
653void WebPluginProxy::AcceleratedPluginAllocatedIOSurface(int32 width,
654                                                         int32 height,
655                                                         uint32 surface_id) {
656  Send(new PluginHostMsg_AcceleratedPluginAllocatedIOSurface(
657      route_id_, width, height, surface_id));
658}
659
660void WebPluginProxy::AcceleratedPluginSwappedIOSurface() {
661  Send(new PluginHostMsg_AcceleratedPluginSwappedIOSurface(
662      route_id_));
663}
664#endif
665
666void WebPluginProxy::OnPaint(const gfx::Rect& damaged_rect) {
667  GetContentClient()->SetActiveURL(page_url_);
668
669  Paint(damaged_rect);
670  Send(new PluginHostMsg_InvalidateRect(route_id_, damaged_rect));
671}
672
673bool WebPluginProxy::IsOffTheRecord() {
674  return channel_->incognito();
675}
676
677void WebPluginProxy::ResourceClientDeleted(
678    WebPluginResourceClient* resource_client) {
679  ResourceClientMap::iterator index = resource_clients_.begin();
680  while (index != resource_clients_.end()) {
681    WebPluginResourceClient* client = (*index).second;
682
683    if (client == resource_client) {
684      resource_clients_.erase(index++);
685    } else {
686      index++;
687    }
688  }
689}
690
691void WebPluginProxy::URLRedirectResponse(bool allow, int resource_id) {
692  Send(new PluginHostMsg_URLRedirectResponse(route_id_, allow, resource_id));
693}
694
695#if defined(OS_WIN) && !defined(USE_AURA)
696void WebPluginProxy::UpdateIMEStatus() {
697  // Retrieve the IME status from a plug-in and send it to a renderer process
698  // when the plug-in has updated it.
699  int input_type;
700  gfx::Rect caret_rect;
701  if (!delegate_->GetIMEStatus(&input_type, &caret_rect))
702    return;
703
704  Send(new PluginHostMsg_NotifyIMEStatus(route_id_, input_type, caret_rect));
705}
706#endif
707
708}  // namespace content
709