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.
5 #include "content/browser/renderer_host/render_widget_host_impl.h"
11 #include "base/auto_reset.h"
12 #include "base/bind.h"
13 #include "base/command_line.h"
14 #include "base/containers/hash_tables.h"
15 #include "base/debug/trace_event.h"
16 #include "base/i18n/rtl.h"
17 #include "base/lazy_instance.h"
18 #include "base/message_loop/message_loop.h"
19 #include "base/metrics/field_trial.h"
20 #include "base/metrics/histogram.h"
21 #include "base/strings/string_number_conversions.h"
22 #include "base/strings/utf_string_conversions.h"
23 #include "base/thread_task_runner_handle.h"
24 #include "cc/base/switches.h"
25 #include "cc/output/compositor_frame.h"
26 #include "cc/output/compositor_frame_ack.h"
27 #include "content/browser/accessibility/accessibility_mode_helper.h"
28 #include "content/browser/accessibility/browser_accessibility_state_impl.h"
29 #include "content/browser/browser_plugin/browser_plugin_guest.h"
30 #include "content/browser/gpu/compositor_util.h"
31 #include "content/browser/gpu/gpu_process_host.h"
32 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
33 #include "content/browser/gpu/gpu_surface_tracker.h"
34 #include "content/browser/renderer_host/dip_util.h"
35 #include "content/browser/renderer_host/input/input_router_config_helper.h"
36 #include "content/browser/renderer_host/input/input_router_impl.h"
37 #include "content/browser/renderer_host/input/synthetic_gesture.h"
38 #include "content/browser/renderer_host/input/synthetic_gesture_controller.h"
39 #include "content/browser/renderer_host/input/synthetic_gesture_target.h"
40 #include "content/browser/renderer_host/input/timeout_monitor.h"
41 #include "content/browser/renderer_host/input/touch_emulator.h"
42 #include "content/browser/renderer_host/render_process_host_impl.h"
43 #include "content/browser/renderer_host/render_view_host_impl.h"
44 #include "content/browser/renderer_host/render_widget_helper.h"
45 #include "content/browser/renderer_host/render_widget_host_delegate.h"
46 #include "content/browser/renderer_host/render_widget_host_view_base.h"
47 #include "content/common/accessibility_messages.h"
48 #include "content/common/content_constants_internal.h"
49 #include "content/common/cursors/webcursor.h"
50 #include "content/common/gpu/gpu_messages.h"
51 #include "content/common/host_shared_bitmap_manager.h"
52 #include "content/common/input_messages.h"
53 #include "content/common/view_messages.h"
54 #include "content/public/browser/native_web_keyboard_event.h"
55 #include "content/public/browser/notification_service.h"
56 #include "content/public/browser/notification_types.h"
57 #include "content/public/browser/render_widget_host_iterator.h"
58 #include "content/public/browser/user_metrics.h"
59 #include "content/public/common/content_constants.h"
60 #include "content/public/common/content_switches.h"
61 #include "content/public/common/result_codes.h"
62 #include "skia/ext/image_operations.h"
63 #include "skia/ext/platform_canvas.h"
64 #include "third_party/WebKit/public/web/WebCompositionUnderline.h"
65 #include "ui/events/event.h"
66 #include "ui/events/keycodes/keyboard_codes.h"
67 #include "ui/gfx/size_conversions.h"
68 #include "ui/gfx/skbitmap_operations.h"
69 #include "ui/gfx/vector2d_conversions.h"
70 #include "ui/snapshot/snapshot.h"
71 #include "webkit/common/webpreferences.h"
74 #include "content/common/plugin_constants_win.h"
78 using base::TimeDelta;
79 using base::TimeTicks;
80 using blink::WebGestureEvent;
81 using blink::WebInputEvent;
82 using blink::WebKeyboardEvent;
83 using blink::WebMouseEvent;
84 using blink::WebMouseWheelEvent;
85 using blink::WebTextDirection;
90 bool g_check_for_pending_resize_ack = true;
92 // How long to (synchronously) wait for the renderer to respond with a
93 // PaintRect message, when our backing-store is invalid, before giving up and
94 // returning a null or incorrectly sized backing-store from GetBackingStore.
95 // This timeout impacts the "choppiness" of our window resize perf.
96 const int kPaintMsgTimeoutMS = 50;
98 typedef std::pair<int32, int32> RenderWidgetHostID;
99 typedef base::hash_map<RenderWidgetHostID, RenderWidgetHostImpl*>
101 base::LazyInstance<RoutingIDWidgetMap> g_routing_id_widget_map =
102 LAZY_INSTANCE_INITIALIZER;
104 int GetInputRouterViewFlagsFromCompositorFrameMetadata(
105 const cc::CompositorFrameMetadata metadata) {
106 int view_flags = InputRouter::VIEW_FLAGS_NONE;
108 if (metadata.min_page_scale_factor == metadata.max_page_scale_factor)
109 view_flags |= InputRouter::FIXED_PAGE_SCALE;
111 const float window_width_dip =
112 std::ceil(metadata.page_scale_factor * metadata.viewport_size.width());
113 const float content_width_css = metadata.root_layer_size.width();
114 if (content_width_css <= window_width_dip)
115 view_flags |= InputRouter::MOBILE_VIEWPORT;
120 // Implements the RenderWidgetHostIterator interface. It keeps a list of
121 // RenderWidgetHosts, and makes sure it returns a live RenderWidgetHost at each
122 // iteration (or NULL if there isn't any left).
123 class RenderWidgetHostIteratorImpl : public RenderWidgetHostIterator {
125 RenderWidgetHostIteratorImpl()
126 : current_index_(0) {
129 virtual ~RenderWidgetHostIteratorImpl() {
132 void Add(RenderWidgetHost* host) {
133 hosts_.push_back(RenderWidgetHostID(host->GetProcess()->GetID(),
134 host->GetRoutingID()));
137 // RenderWidgetHostIterator:
138 virtual RenderWidgetHost* GetNextHost() OVERRIDE {
139 RenderWidgetHost* host = NULL;
140 while (current_index_ < hosts_.size() && !host) {
141 RenderWidgetHostID id = hosts_[current_index_];
142 host = RenderWidgetHost::FromID(id.first, id.second);
149 std::vector<RenderWidgetHostID> hosts_;
150 size_t current_index_;
152 DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostIteratorImpl);
157 ///////////////////////////////////////////////////////////////////////////////
158 // RenderWidgetHostImpl
160 RenderWidgetHostImpl::RenderWidgetHostImpl(RenderWidgetHostDelegate* delegate,
161 RenderProcessHost* process,
165 renderer_initialized_(false),
166 hung_renderer_delay_ms_(kHungRendererDelayMs),
169 routing_id_(routing_id),
173 is_fullscreen_(false),
174 repaint_ack_pending_(false),
175 resize_ack_pending_(false),
176 screen_info_out_of_date_(false),
177 overdraw_bottom_height_(0.f),
178 should_auto_resize_(false),
179 waiting_for_screen_rects_ack_(false),
180 accessibility_mode_(AccessibilityModeOff),
181 needs_repainting_on_restore_(false),
182 is_unresponsive_(false),
183 in_flight_event_count_(0),
184 in_get_backing_store_(false),
185 ignore_input_events_(false),
186 input_method_active_(false),
187 text_direction_updated_(false),
188 text_direction_(blink::WebTextDirectionLeftToRight),
189 text_direction_canceled_(false),
190 suppress_next_char_events_(false),
191 pending_mouse_lock_request_(false),
192 allow_privileged_mouse_lock_(false),
193 has_touch_handler_(false),
195 last_input_number_(static_cast<int64>(GetProcess()->GetID()) << 32) {
197 if (routing_id_ == MSG_ROUTING_NONE) {
198 routing_id_ = process_->GetNextRoutingID();
199 surface_id_ = GpuSurfaceTracker::Get()->AddSurfaceForRenderer(
203 // TODO(piman): This is a O(N) lookup, where we could forward the
204 // information from the RenderWidgetHelper. The problem is that doing so
205 // currently leaks outside of content all the way to chrome classes, and
206 // would be a layering violation. Since we don't expect more than a few
207 // hundreds of RWH, this seems acceptable. Revisit if performance become a
208 // problem, for example by tracking in the RenderWidgetHelper the routing id
209 // (and surface id) that have been created, but whose RWH haven't yet.
210 surface_id_ = GpuSurfaceTracker::Get()->LookupSurfaceForRenderer(
216 std::pair<RoutingIDWidgetMap::iterator, bool> result =
217 g_routing_id_widget_map.Get().insert(std::make_pair(
218 RenderWidgetHostID(process->GetID(), routing_id_), this));
219 CHECK(result.second) << "Inserting a duplicate item!";
220 process_->AddRoute(routing_id_, this);
222 // If we're initially visible, tell the process host that we're alive.
223 // Otherwise we'll notify the process host when we are first shown.
225 process_->WidgetRestored();
227 accessibility_mode_ =
228 BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode();
230 input_router_.reset(new InputRouterImpl(
231 process_, this, this, routing_id_, GetInputRouterConfigForPlatform()));
233 touch_emulator_.reset();
235 RenderViewHostImpl* rvh = static_cast<RenderViewHostImpl*>(
236 IsRenderView() ? RenderViewHost::From(this) : NULL);
237 if (BrowserPluginGuest::IsGuest(rvh) ||
238 !CommandLine::ForCurrentProcess()->HasSwitch(
239 switches::kDisableHangMonitor)) {
240 hang_monitor_timeout_.reset(new TimeoutMonitor(
241 base::Bind(&RenderWidgetHostImpl::RendererIsUnresponsive,
242 weak_factory_.GetWeakPtr())));
246 RenderWidgetHostImpl::~RenderWidgetHostImpl() {
249 GpuSurfaceTracker::Get()->RemoveSurface(surface_id_);
252 process_->RemoveRoute(routing_id_);
253 g_routing_id_widget_map.Get().erase(
254 RenderWidgetHostID(process_->GetID(), routing_id_));
257 delegate_->RenderWidgetDeleted(this);
261 RenderWidgetHost* RenderWidgetHost::FromID(
264 return RenderWidgetHostImpl::FromID(process_id, routing_id);
268 RenderWidgetHostImpl* RenderWidgetHostImpl::FromID(
271 DCHECK_CURRENTLY_ON(BrowserThread::UI);
272 RoutingIDWidgetMap* widgets = g_routing_id_widget_map.Pointer();
273 RoutingIDWidgetMap::iterator it = widgets->find(
274 RenderWidgetHostID(process_id, routing_id));
275 return it == widgets->end() ? NULL : it->second;
279 scoped_ptr<RenderWidgetHostIterator> RenderWidgetHost::GetRenderWidgetHosts() {
280 RenderWidgetHostIteratorImpl* hosts = new RenderWidgetHostIteratorImpl();
281 RoutingIDWidgetMap* widgets = g_routing_id_widget_map.Pointer();
282 for (RoutingIDWidgetMap::const_iterator it = widgets->begin();
283 it != widgets->end();
285 RenderWidgetHost* widget = it->second;
287 if (!widget->IsRenderView()) {
292 // Add only active RenderViewHosts.
293 RenderViewHost* rvh = RenderViewHost::From(widget);
294 if (RenderViewHostImpl::IsRVHStateActive(
295 static_cast<RenderViewHostImpl*>(rvh)->rvh_state()))
299 return scoped_ptr<RenderWidgetHostIterator>(hosts);
303 scoped_ptr<RenderWidgetHostIterator>
304 RenderWidgetHostImpl::GetAllRenderWidgetHosts() {
305 RenderWidgetHostIteratorImpl* hosts = new RenderWidgetHostIteratorImpl();
306 RoutingIDWidgetMap* widgets = g_routing_id_widget_map.Pointer();
307 for (RoutingIDWidgetMap::const_iterator it = widgets->begin();
308 it != widgets->end();
310 hosts->Add(it->second);
313 return scoped_ptr<RenderWidgetHostIterator>(hosts);
317 RenderWidgetHostImpl* RenderWidgetHostImpl::From(RenderWidgetHost* rwh) {
318 return rwh->AsRenderWidgetHostImpl();
321 void RenderWidgetHostImpl::SetView(RenderWidgetHostViewBase* view) {
324 GpuSurfaceTracker::Get()->SetSurfaceHandle(
325 surface_id_, GetCompositingSurface());
327 synthetic_gesture_controller_.reset();
330 RenderProcessHost* RenderWidgetHostImpl::GetProcess() const {
334 int RenderWidgetHostImpl::GetRoutingID() const {
338 RenderWidgetHostView* RenderWidgetHostImpl::GetView() const {
342 RenderWidgetHostImpl* RenderWidgetHostImpl::AsRenderWidgetHostImpl() {
346 gfx::NativeViewId RenderWidgetHostImpl::GetNativeViewId() const {
348 return view_->GetNativeViewId();
352 gfx::GLSurfaceHandle RenderWidgetHostImpl::GetCompositingSurface() {
354 return view_->GetCompositingSurface();
355 return gfx::GLSurfaceHandle();
358 void RenderWidgetHostImpl::ResetSizeAndRepaintPendingFlags() {
359 resize_ack_pending_ = false;
360 if (repaint_ack_pending_) {
361 TRACE_EVENT_ASYNC_END0(
362 "renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
364 repaint_ack_pending_ = false;
365 last_requested_size_.SetSize(0, 0);
368 void RenderWidgetHostImpl::SendScreenRects() {
369 if (!renderer_initialized_ || waiting_for_screen_rects_ack_)
373 // On GTK, this comes in for backgrounded tabs. Ignore, to match what
374 // happens on Win & Mac, and when the view is shown it'll call this again.
381 last_view_screen_rect_ = view_->GetViewBounds();
382 last_window_screen_rect_ = view_->GetBoundsInRootWindow();
383 Send(new ViewMsg_UpdateScreenRects(
384 GetRoutingID(), last_view_screen_rect_, last_window_screen_rect_));
386 delegate_->DidSendScreenRects(this);
387 waiting_for_screen_rects_ack_ = true;
390 void RenderWidgetHostImpl::SuppressNextCharEvents() {
391 suppress_next_char_events_ = true;
394 void RenderWidgetHostImpl::FlushInput() {
395 input_router_->Flush();
396 if (synthetic_gesture_controller_)
397 synthetic_gesture_controller_->Flush(base::TimeTicks::Now());
400 void RenderWidgetHostImpl::SetNeedsFlush() {
402 view_->OnSetNeedsFlushInput();
405 void RenderWidgetHostImpl::Init() {
406 DCHECK(process_->HasConnection());
408 renderer_initialized_ = true;
410 GpuSurfaceTracker::Get()->SetSurfaceHandle(
411 surface_id_, GetCompositingSurface());
413 // Send the ack along with the information on placement.
414 Send(new ViewMsg_CreatingNew_ACK(routing_id_));
415 GetProcess()->ResumeRequestsForView(routing_id_);
420 void RenderWidgetHostImpl::Shutdown() {
421 RejectMouseLockOrUnlockIfNecessary();
423 if (process_->HasConnection()) {
424 // Tell the renderer object to close.
425 bool rv = Send(new ViewMsg_Close(routing_id_));
432 bool RenderWidgetHostImpl::IsLoading() const {
436 bool RenderWidgetHostImpl::IsRenderView() const {
440 bool RenderWidgetHostImpl::OnMessageReceived(const IPC::Message &msg) {
442 IPC_BEGIN_MESSAGE_MAP(RenderWidgetHostImpl, msg)
443 IPC_MESSAGE_HANDLER(InputHostMsg_QueueSyntheticGesture,
444 OnQueueSyntheticGesture)
445 IPC_MESSAGE_HANDLER(ViewHostMsg_RenderViewReady, OnRenderViewReady)
446 IPC_MESSAGE_HANDLER(ViewHostMsg_RenderProcessGone, OnRenderProcessGone)
447 IPC_MESSAGE_HANDLER(ViewHostMsg_Close, OnClose)
448 IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateScreenRects_ACK,
449 OnUpdateScreenRectsAck)
450 IPC_MESSAGE_HANDLER(ViewHostMsg_RequestMove, OnRequestMove)
451 IPC_MESSAGE_HANDLER(ViewHostMsg_SetTooltipText, OnSetTooltipText)
452 IPC_MESSAGE_HANDLER_GENERIC(ViewHostMsg_SwapCompositorFrame,
453 OnSwapCompositorFrame(msg))
454 IPC_MESSAGE_HANDLER(ViewHostMsg_DidStopFlinging, OnFlingingStopped)
455 IPC_MESSAGE_HANDLER(ViewHostMsg_UpdateRect, OnUpdateRect)
456 IPC_MESSAGE_HANDLER(ViewHostMsg_Focus, OnFocus)
457 IPC_MESSAGE_HANDLER(ViewHostMsg_Blur, OnBlur)
458 IPC_MESSAGE_HANDLER(ViewHostMsg_SetCursor, OnSetCursor)
459 IPC_MESSAGE_HANDLER(ViewHostMsg_SetTouchEventEmulationEnabled,
460 OnSetTouchEventEmulationEnabled)
461 IPC_MESSAGE_HANDLER(ViewHostMsg_TextInputStateChanged,
462 OnTextInputStateChanged)
463 IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCancelComposition,
464 OnImeCancelComposition)
465 IPC_MESSAGE_HANDLER(ViewHostMsg_LockMouse, OnLockMouse)
466 IPC_MESSAGE_HANDLER(ViewHostMsg_UnlockMouse, OnUnlockMouse)
467 IPC_MESSAGE_HANDLER(ViewHostMsg_ShowDisambiguationPopup,
468 OnShowDisambiguationPopup)
469 IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionChanged, OnSelectionChanged)
470 IPC_MESSAGE_HANDLER(ViewHostMsg_SelectionBoundsChanged,
471 OnSelectionBoundsChanged)
473 IPC_MESSAGE_HANDLER(ViewHostMsg_WindowlessPluginDummyWindowCreated,
474 OnWindowlessPluginDummyWindowCreated)
475 IPC_MESSAGE_HANDLER(ViewHostMsg_WindowlessPluginDummyWindowDestroyed,
476 OnWindowlessPluginDummyWindowDestroyed)
478 #if defined(OS_MACOSX)
479 IPC_MESSAGE_HANDLER(ViewHostMsg_CompositorSurfaceBuffersSwapped,
480 OnCompositorSurfaceBuffersSwapped)
482 #if defined(OS_MACOSX) || defined(USE_AURA)
483 IPC_MESSAGE_HANDLER(ViewHostMsg_ImeCompositionRangeChanged,
484 OnImeCompositionRangeChanged)
486 IPC_MESSAGE_UNHANDLED(handled = false)
487 IPC_END_MESSAGE_MAP()
489 if (!handled && input_router_ && input_router_->OnMessageReceived(msg))
492 if (!handled && view_ && view_->OnMessageReceived(msg))
498 bool RenderWidgetHostImpl::Send(IPC::Message* msg) {
499 if (IPC_MESSAGE_ID_CLASS(msg->type()) == InputMsgStart)
500 return input_router_->SendInput(make_scoped_ptr(msg));
502 return process_->Send(msg);
505 void RenderWidgetHostImpl::WasHidden() {
511 // Don't bother reporting hung state when we aren't active.
512 StopHangMonitorTimeout();
514 // If we have a renderer, then inform it that we are being hidden so it can
515 // reduce its resource utilization.
516 Send(new ViewMsg_WasHidden(routing_id_));
518 // Tell the RenderProcessHost we were hidden.
519 process_->WidgetHidden();
521 bool is_visible = false;
522 NotificationService::current()->Notify(
523 NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED,
524 Source<RenderWidgetHost>(this),
525 Details<bool>(&is_visible));
528 void RenderWidgetHostImpl::WasShown() {
535 // Always repaint on restore.
536 bool needs_repainting = true;
537 needs_repainting_on_restore_ = false;
538 Send(new ViewMsg_WasShown(routing_id_, needs_repainting));
540 process_->WidgetRestored();
542 bool is_visible = true;
543 NotificationService::current()->Notify(
544 NOTIFICATION_RENDER_WIDGET_VISIBILITY_CHANGED,
545 Source<RenderWidgetHost>(this),
546 Details<bool>(&is_visible));
548 // It's possible for our size to be out of sync with the renderer. The
549 // following is one case that leads to this:
550 // 1. WasResized -> Send ViewMsg_Resize to render
551 // 2. WasResized -> do nothing as resize_ack_pending_ is true
553 // 4. OnUpdateRect from (1) processed. Does NOT invoke WasResized as view
554 // is hidden. Now renderer/browser out of sync with what they think size
556 // By invoking WasResized the renderer is updated as necessary. WasResized
557 // does nothing if the sizes are already in sync.
559 // TODO: ideally ViewMsg_WasShown would take a size. This way, the renderer
560 // could handle both the restore and resize at once. This isn't that big a
561 // deal as RenderWidget::WasShown delays updating, so that the resize from
562 // WasResized is usually processed before the renderer is painted.
566 void RenderWidgetHostImpl::WasResized() {
567 // Skip if the |delegate_| has already been detached because
568 // it's web contents is being deleted.
569 if (resize_ack_pending_ || !process_->HasConnection() || !view_ ||
570 !renderer_initialized_ || should_auto_resize_ || !delegate_) {
574 gfx::Size new_size(view_->GetRequestedRendererSize());
576 gfx::Size old_physical_backing_size = physical_backing_size_;
577 physical_backing_size_ = view_->GetPhysicalBackingSize();
578 bool was_fullscreen = is_fullscreen_;
579 is_fullscreen_ = IsFullscreen();
580 float old_overdraw_bottom_height = overdraw_bottom_height_;
581 overdraw_bottom_height_ = view_->GetOverdrawBottomHeight();
582 gfx::Size old_visible_viewport_size = visible_viewport_size_;
583 visible_viewport_size_ = view_->GetVisibleViewportSize();
585 bool size_changed = new_size != last_requested_size_;
586 bool side_payload_changed =
587 screen_info_out_of_date_ ||
588 old_physical_backing_size != physical_backing_size_ ||
589 was_fullscreen != is_fullscreen_ ||
590 old_overdraw_bottom_height != overdraw_bottom_height_ ||
591 old_visible_viewport_size != visible_viewport_size_;
593 if (!size_changed && !side_payload_changed)
597 screen_info_.reset(new blink::WebScreenInfo);
598 GetWebScreenInfo(screen_info_.get());
601 // We don't expect to receive an ACK when the requested size or the physical
602 // backing size is empty, or when the main viewport size didn't change.
603 if (!new_size.IsEmpty() && !physical_backing_size_.IsEmpty() && size_changed)
604 resize_ack_pending_ = g_check_for_pending_resize_ack;
606 ViewMsg_Resize_Params params;
607 params.screen_info = *screen_info_;
608 params.new_size = new_size;
609 params.physical_backing_size = physical_backing_size_;
610 params.overdraw_bottom_height = overdraw_bottom_height_;
611 params.visible_viewport_size = visible_viewport_size_;
612 params.resizer_rect = GetRootWindowResizerRect();
613 params.is_fullscreen = is_fullscreen_;
614 if (!Send(new ViewMsg_Resize(routing_id_, params))) {
615 resize_ack_pending_ = false;
617 last_requested_size_ = new_size;
621 void RenderWidgetHostImpl::ResizeRectChanged(const gfx::Rect& new_rect) {
622 Send(new ViewMsg_ChangeResizeRect(routing_id_, new_rect));
625 void RenderWidgetHostImpl::GotFocus() {
629 void RenderWidgetHostImpl::Focus() {
630 Send(new InputMsg_SetFocus(routing_id_, true));
633 void RenderWidgetHostImpl::Blur() {
634 // If there is a pending mouse lock request, we don't want to reject it at
635 // this point. The user can switch focus back to this view and approve the
638 view_->UnlockMouse();
641 touch_emulator_->CancelTouch();
643 Send(new InputMsg_SetFocus(routing_id_, false));
646 void RenderWidgetHostImpl::LostCapture() {
648 touch_emulator_->CancelTouch();
650 Send(new InputMsg_MouseCaptureLost(routing_id_));
653 void RenderWidgetHostImpl::SetActive(bool active) {
654 Send(new ViewMsg_SetActive(routing_id_, active));
657 void RenderWidgetHostImpl::LostMouseLock() {
658 Send(new ViewMsg_MouseLockLost(routing_id_));
661 void RenderWidgetHostImpl::ViewDestroyed() {
662 RejectMouseLockOrUnlockIfNecessary();
664 // TODO(evanm): tracking this may no longer be necessary;
665 // eliminate this function if so.
669 void RenderWidgetHostImpl::SetIsLoading(bool is_loading) {
670 is_loading_ = is_loading;
673 view_->SetIsLoading(is_loading);
676 void RenderWidgetHostImpl::CopyFromBackingStore(
677 const gfx::Rect& src_subrect,
678 const gfx::Size& accelerated_dst_size,
679 const base::Callback<void(bool, const SkBitmap&)>& callback,
680 const SkBitmap::Config& bitmap_config) {
682 TRACE_EVENT0("browser",
683 "RenderWidgetHostImpl::CopyFromBackingStore::FromCompositingSurface");
684 gfx::Rect accelerated_copy_rect = src_subrect.IsEmpty() ?
685 gfx::Rect(view_->GetViewBounds().size()) : src_subrect;
686 view_->CopyFromCompositingSurface(
687 accelerated_copy_rect, accelerated_dst_size, callback, bitmap_config);
691 callback.Run(false, SkBitmap());
694 bool RenderWidgetHostImpl::CanCopyFromBackingStore() {
696 return view_->IsSurfaceAvailableForCopy();
700 #if defined(OS_ANDROID)
701 void RenderWidgetHostImpl::LockBackingStore() {
703 view_->LockCompositingSurface();
706 void RenderWidgetHostImpl::UnlockBackingStore() {
708 view_->UnlockCompositingSurface();
712 void RenderWidgetHostImpl::PauseForPendingResizeOrRepaints() {
713 TRACE_EVENT0("browser",
714 "RenderWidgetHostImpl::PauseForPendingResizeOrRepaints");
716 if (!CanPauseForPendingResizeOrRepaints())
722 bool RenderWidgetHostImpl::CanPauseForPendingResizeOrRepaints() {
723 // Do not pause if the view is hidden.
727 // Do not pause if there is not a paint or resize already coming.
728 if (!repaint_ack_pending_ && !resize_ack_pending_)
734 void RenderWidgetHostImpl::WaitForSurface() {
735 TRACE_EVENT0("browser", "RenderWidgetHostImpl::WaitForSurface");
740 // The view_size will be current_size_ for auto-sized views and otherwise the
741 // size of the view_. (For auto-sized views, current_size_ is updated during
742 // UpdateRect messages.)
743 gfx::Size view_size = current_size_;
744 if (!should_auto_resize_) {
745 // Get the desired size from the current view bounds.
746 gfx::Rect view_rect = view_->GetViewBounds();
747 if (view_rect.IsEmpty())
749 view_size = view_rect.size();
752 TRACE_EVENT2("renderer_host",
753 "RenderWidgetHostImpl::WaitForBackingStore",
755 base::IntToString(view_size.width()),
757 base::IntToString(view_size.height()));
759 // We should not be asked to paint while we are hidden. If we are hidden,
760 // then it means that our consumer failed to call WasShown. If we're not
761 // force creating the backing store, it's OK since we can feel free to give
762 // out our cached one if we have it.
763 DCHECK(!is_hidden_) << "WaitForSurface called while hidden!";
765 // We should never be called recursively; this can theoretically lead to
766 // infinite recursion and almost certainly leads to lower performance.
767 DCHECK(!in_get_backing_store_) << "WaitForSurface called recursively!";
768 base::AutoReset<bool> auto_reset_in_get_backing_store(
769 &in_get_backing_store_, true);
771 // We might have a surface that we can use!
772 if (view_->HasAcceleratedSurface(view_size))
775 // We do not have a suitable backing store in the cache, so send out a
776 // request to the renderer to paint the view if required.
777 if (!repaint_ack_pending_ && !resize_ack_pending_) {
778 repaint_start_time_ = TimeTicks::Now();
779 repaint_ack_pending_ = true;
780 TRACE_EVENT_ASYNC_BEGIN0(
781 "renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
782 Send(new ViewMsg_Repaint(routing_id_, view_size));
785 TimeDelta max_delay = TimeDelta::FromMilliseconds(kPaintMsgTimeoutMS);
786 TimeTicks end_time = TimeTicks::Now() + max_delay;
788 TRACE_EVENT0("renderer_host", "WaitForSurface::WaitForUpdate");
790 // When we have asked the RenderWidget to resize, and we are still waiting
791 // on a response, block for a little while to see if we can't get a response
792 // before returning the old (incorrectly sized) backing store.
794 if (process_->WaitForBackingStoreMsg(routing_id_, max_delay, &msg)) {
795 OnMessageReceived(msg);
797 // For auto-resized views, current_size_ determines the view_size and it
798 // may have changed during the handling of an UpdateRect message.
799 if (should_auto_resize_)
800 view_size = current_size_;
802 // Break now if we got a backing store or accelerated surface of the
804 if (view_->HasAcceleratedSurface(view_size))
807 TRACE_EVENT0("renderer_host", "WaitForSurface::Timeout");
811 // Loop if we still have time left and haven't gotten a properly sized
812 // BackingStore yet. This is necessary to support the GPU path which
813 // typically has multiple frames pipelined -- we may need to skip one or two
814 // BackingStore messages to get to the latest.
815 max_delay = end_time - TimeTicks::Now();
816 } while (max_delay > TimeDelta::FromSeconds(0));
819 bool RenderWidgetHostImpl::ScheduleComposite() {
820 if (is_hidden_ || current_size_.IsEmpty() || repaint_ack_pending_ ||
821 resize_ack_pending_) {
825 // Send out a request to the renderer to paint the view if required.
826 repaint_start_time_ = TimeTicks::Now();
827 repaint_ack_pending_ = true;
828 TRACE_EVENT_ASYNC_BEGIN0(
829 "renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
830 Send(new ViewMsg_Repaint(routing_id_, current_size_));
834 void RenderWidgetHostImpl::StartHangMonitorTimeout(base::TimeDelta delay) {
835 if (hang_monitor_timeout_)
836 hang_monitor_timeout_->Start(delay);
839 void RenderWidgetHostImpl::RestartHangMonitorTimeout() {
840 if (hang_monitor_timeout_)
841 hang_monitor_timeout_->Restart(
842 base::TimeDelta::FromMilliseconds(hung_renderer_delay_ms_));
845 void RenderWidgetHostImpl::StopHangMonitorTimeout() {
846 if (hang_monitor_timeout_)
847 hang_monitor_timeout_->Stop();
848 RendererIsResponsive();
851 void RenderWidgetHostImpl::EnableFullAccessibilityMode() {
852 AddAccessibilityMode(AccessibilityModeComplete);
855 bool RenderWidgetHostImpl::IsFullAccessibilityModeForTesting() {
856 return accessibility_mode() == AccessibilityModeComplete;
859 void RenderWidgetHostImpl::EnableTreeOnlyAccessibilityMode() {
860 AddAccessibilityMode(AccessibilityModeTreeOnly);
863 bool RenderWidgetHostImpl::IsTreeOnlyAccessibilityModeForTesting() {
864 return accessibility_mode() == AccessibilityModeTreeOnly;
867 void RenderWidgetHostImpl::ForwardMouseEvent(const WebMouseEvent& mouse_event) {
868 ForwardMouseEventWithLatencyInfo(mouse_event, ui::LatencyInfo());
871 void RenderWidgetHostImpl::ForwardMouseEventWithLatencyInfo(
872 const blink::WebMouseEvent& mouse_event,
873 const ui::LatencyInfo& ui_latency) {
874 TRACE_EVENT2("input", "RenderWidgetHostImpl::ForwardMouseEvent",
875 "x", mouse_event.x, "y", mouse_event.y);
877 ui::LatencyInfo latency_info =
878 CreateRWHLatencyInfoIfNotExist(&ui_latency, mouse_event.type);
880 for (size_t i = 0; i < mouse_event_callbacks_.size(); ++i) {
881 if (mouse_event_callbacks_[i].Run(mouse_event))
885 if (IgnoreInputEvents())
888 if (touch_emulator_ && touch_emulator_->HandleMouseEvent(mouse_event))
891 input_router_->SendMouseEvent(MouseEventWithLatencyInfo(mouse_event,
895 void RenderWidgetHostImpl::OnPointerEventActivate() {
898 void RenderWidgetHostImpl::ForwardWheelEvent(
899 const WebMouseWheelEvent& wheel_event) {
900 ForwardWheelEventWithLatencyInfo(wheel_event, ui::LatencyInfo());
903 void RenderWidgetHostImpl::ForwardWheelEventWithLatencyInfo(
904 const blink::WebMouseWheelEvent& wheel_event,
905 const ui::LatencyInfo& ui_latency) {
906 TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardWheelEvent");
908 ui::LatencyInfo latency_info =
909 CreateRWHLatencyInfoIfNotExist(&ui_latency, wheel_event.type);
911 if (IgnoreInputEvents())
914 if (touch_emulator_ && touch_emulator_->HandleMouseWheelEvent(wheel_event))
917 input_router_->SendWheelEvent(MouseWheelEventWithLatencyInfo(wheel_event,
921 void RenderWidgetHostImpl::ForwardGestureEvent(
922 const blink::WebGestureEvent& gesture_event) {
923 ForwardGestureEventWithLatencyInfo(gesture_event, ui::LatencyInfo());
926 void RenderWidgetHostImpl::ForwardGestureEventWithLatencyInfo(
927 const blink::WebGestureEvent& gesture_event,
928 const ui::LatencyInfo& ui_latency) {
929 TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardGestureEvent");
930 // Early out if necessary, prior to performing latency logic.
931 if (IgnoreInputEvents())
934 if (delegate_->PreHandleGestureEvent(gesture_event))
937 ui::LatencyInfo latency_info =
938 CreateRWHLatencyInfoIfNotExist(&ui_latency, gesture_event.type);
940 if (gesture_event.type == blink::WebInputEvent::GestureScrollUpdate) {
941 latency_info.AddLatencyNumber(
942 ui::INPUT_EVENT_LATENCY_SCROLL_UPDATE_RWH_COMPONENT,
943 GetLatencyComponentId(),
944 ++last_input_number_);
946 // Make a copy of the INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT with a
947 // different name INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT.
948 // So we can track the latency specifically for scroll update events.
949 ui::LatencyInfo::LatencyComponent original_component;
950 if (latency_info.FindLatency(ui::INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT,
952 &original_component)) {
953 latency_info.AddLatencyNumberWithTimestamp(
954 ui::INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT,
955 GetLatencyComponentId(),
956 original_component.sequence_number,
957 original_component.event_time,
958 original_component.event_count);
962 GestureEventWithLatencyInfo gesture_with_latency(gesture_event, latency_info);
963 input_router_->SendGestureEvent(gesture_with_latency);
966 void RenderWidgetHostImpl::ForwardTouchEvent(
967 const blink::WebTouchEvent& touch_event) {
968 ForwardTouchEventWithLatencyInfo(touch_event, ui::LatencyInfo());
971 void RenderWidgetHostImpl::ForwardTouchEventWithLatencyInfo(
972 const blink::WebTouchEvent& touch_event,
973 const ui::LatencyInfo& ui_latency) {
974 TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardTouchEvent");
976 // Always forward TouchEvents for touch stream consistency. They will be
977 // ignored if appropriate in FilterInputEvent().
979 ui::LatencyInfo latency_info =
980 CreateRWHLatencyInfoIfNotExist(&ui_latency, touch_event.type);
981 TouchEventWithLatencyInfo touch_with_latency(touch_event, latency_info);
982 input_router_->SendTouchEvent(touch_with_latency);
985 void RenderWidgetHostImpl::ForwardKeyboardEvent(
986 const NativeWebKeyboardEvent& key_event) {
987 TRACE_EVENT0("input", "RenderWidgetHostImpl::ForwardKeyboardEvent");
988 if (IgnoreInputEvents())
991 if (!process_->HasConnection())
994 // First, let keypress listeners take a shot at handling the event. If a
995 // listener handles the event, it should not be propagated to the renderer.
996 if (KeyPressListenersHandleEvent(key_event)) {
997 // Some keypresses that are accepted by the listener might have follow up
998 // char events, which should be ignored.
999 if (key_event.type == WebKeyboardEvent::RawKeyDown)
1000 suppress_next_char_events_ = true;
1004 if (key_event.type == WebKeyboardEvent::Char &&
1005 (key_event.windowsKeyCode == ui::VKEY_RETURN ||
1006 key_event.windowsKeyCode == ui::VKEY_SPACE)) {
1010 // Double check the type to make sure caller hasn't sent us nonsense that
1011 // will mess up our key queue.
1012 if (!WebInputEvent::isKeyboardEventType(key_event.type))
1015 if (suppress_next_char_events_) {
1016 // If preceding RawKeyDown event was handled by the browser, then we need
1017 // suppress all Char events generated by it. Please note that, one
1018 // RawKeyDown event may generate multiple Char events, so we can't reset
1019 // |suppress_next_char_events_| until we get a KeyUp or a RawKeyDown.
1020 if (key_event.type == WebKeyboardEvent::Char)
1022 // We get a KeyUp or a RawKeyDown event.
1023 suppress_next_char_events_ = false;
1026 bool is_shortcut = false;
1028 // Only pre-handle the key event if it's not handled by the input method.
1029 if (delegate_ && !key_event.skip_in_browser) {
1030 // We need to set |suppress_next_char_events_| to true if
1031 // PreHandleKeyboardEvent() returns true, but |this| may already be
1032 // destroyed at that time. So set |suppress_next_char_events_| true here,
1033 // then revert it afterwards when necessary.
1034 if (key_event.type == WebKeyboardEvent::RawKeyDown)
1035 suppress_next_char_events_ = true;
1037 // Tab switching/closing accelerators aren't sent to the renderer to avoid
1038 // a hung/malicious renderer from interfering.
1039 if (delegate_->PreHandleKeyboardEvent(key_event, &is_shortcut))
1042 if (key_event.type == WebKeyboardEvent::RawKeyDown)
1043 suppress_next_char_events_ = false;
1046 if (touch_emulator_ && touch_emulator_->HandleKeyboardEvent(key_event))
1049 input_router_->SendKeyboardEvent(
1051 CreateRWHLatencyInfoIfNotExist(NULL, key_event.type),
1055 void RenderWidgetHostImpl::QueueSyntheticGesture(
1056 scoped_ptr<SyntheticGesture> synthetic_gesture,
1057 const base::Callback<void(SyntheticGesture::Result)>& on_complete) {
1058 if (!synthetic_gesture_controller_ && view_) {
1059 synthetic_gesture_controller_.reset(
1060 new SyntheticGestureController(
1061 view_->CreateSyntheticGestureTarget().Pass()));
1063 if (synthetic_gesture_controller_) {
1064 synthetic_gesture_controller_->QueueSyntheticGesture(
1065 synthetic_gesture.Pass(), on_complete);
1069 void RenderWidgetHostImpl::SetCursor(const WebCursor& cursor) {
1072 view_->UpdateCursor(cursor);
1075 void RenderWidgetHostImpl::ShowContextMenuAtPoint(const gfx::Point& point) {
1076 Send(new ViewMsg_ShowContextMenu(
1077 GetRoutingID(), ui::MENU_SOURCE_MOUSE, point));
1080 void RenderWidgetHostImpl::SendCursorVisibilityState(bool is_visible) {
1081 Send(new InputMsg_CursorVisibilityChange(GetRoutingID(), is_visible));
1084 int64 RenderWidgetHostImpl::GetLatencyComponentId() {
1085 return GetRoutingID() | (static_cast<int64>(GetProcess()->GetID()) << 32);
1089 void RenderWidgetHostImpl::DisableResizeAckCheckForTesting() {
1090 g_check_for_pending_resize_ack = false;
1093 ui::LatencyInfo RenderWidgetHostImpl::CreateRWHLatencyInfoIfNotExist(
1094 const ui::LatencyInfo* original, WebInputEvent::Type type) {
1095 ui::LatencyInfo info;
1098 // In Aura, gesture event will already carry its original touch event's
1099 // INPUT_EVENT_LATENCY_RWH_COMPONENT.
1100 if (!info.FindLatency(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
1101 GetLatencyComponentId(),
1103 info.AddLatencyNumber(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
1104 GetLatencyComponentId(),
1105 ++last_input_number_);
1106 info.TraceEventType(WebInputEventTraits::GetName(type));
1112 void RenderWidgetHostImpl::AddKeyPressEventCallback(
1113 const KeyPressEventCallback& callback) {
1114 key_press_event_callbacks_.push_back(callback);
1117 void RenderWidgetHostImpl::RemoveKeyPressEventCallback(
1118 const KeyPressEventCallback& callback) {
1119 for (size_t i = 0; i < key_press_event_callbacks_.size(); ++i) {
1120 if (key_press_event_callbacks_[i].Equals(callback)) {
1121 key_press_event_callbacks_.erase(
1122 key_press_event_callbacks_.begin() + i);
1128 void RenderWidgetHostImpl::AddMouseEventCallback(
1129 const MouseEventCallback& callback) {
1130 mouse_event_callbacks_.push_back(callback);
1133 void RenderWidgetHostImpl::RemoveMouseEventCallback(
1134 const MouseEventCallback& callback) {
1135 for (size_t i = 0; i < mouse_event_callbacks_.size(); ++i) {
1136 if (mouse_event_callbacks_[i].Equals(callback)) {
1137 mouse_event_callbacks_.erase(mouse_event_callbacks_.begin() + i);
1143 void RenderWidgetHostImpl::GetWebScreenInfo(blink::WebScreenInfo* result) {
1144 TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::GetWebScreenInfo");
1146 view_->GetScreenInfo(result);
1148 RenderWidgetHostViewBase::GetDefaultScreenInfo(result);
1149 screen_info_out_of_date_ = false;
1152 const NativeWebKeyboardEvent*
1153 RenderWidgetHostImpl::GetLastKeyboardEvent() const {
1154 return input_router_->GetLastKeyboardEvent();
1157 void RenderWidgetHostImpl::NotifyScreenInfoChanged() {
1158 // The resize message (which may not happen immediately) will carry with it
1159 // the screen info as well as the new size (if the screen has changed scale
1161 InvalidateScreenInfo();
1165 void RenderWidgetHostImpl::InvalidateScreenInfo() {
1166 screen_info_out_of_date_ = true;
1167 screen_info_.reset();
1170 void RenderWidgetHostImpl::OnSelectionChanged(const base::string16& text,
1172 const gfx::Range& range) {
1174 view_->SelectionChanged(text, offset, range);
1177 void RenderWidgetHostImpl::OnSelectionBoundsChanged(
1178 const ViewHostMsg_SelectionBounds_Params& params) {
1180 view_->SelectionBoundsChanged(params);
1184 void RenderWidgetHostImpl::UpdateVSyncParameters(base::TimeTicks timebase,
1185 base::TimeDelta interval) {
1186 Send(new ViewMsg_UpdateVSyncParameters(GetRoutingID(), timebase, interval));
1189 void RenderWidgetHostImpl::RendererExited(base::TerminationStatus status,
1191 // Clearing this flag causes us to re-create the renderer when recovering
1192 // from a crashed renderer.
1193 renderer_initialized_ = false;
1195 waiting_for_screen_rects_ack_ = false;
1197 // Must reset these to ensure that keyboard events work with a new renderer.
1198 suppress_next_char_events_ = false;
1200 // Reset some fields in preparation for recovering from a crash.
1201 ResetSizeAndRepaintPendingFlags();
1202 current_size_.SetSize(0, 0);
1204 // Reset this to ensure the hung renderer mechanism is working properly.
1205 in_flight_event_count_ = 0;
1208 GpuSurfaceTracker::Get()->SetSurfaceHandle(surface_id_,
1209 gfx::GLSurfaceHandle());
1210 view_->RenderProcessGone(status, exit_code);
1211 view_ = NULL; // The View should be deleted by RenderProcessGone.
1214 // Reconstruct the input router to ensure that it has fresh state for a new
1215 // renderer. Otherwise it may be stuck waiting for the old renderer to ack an
1216 // event. (In particular, the above call to view_->RenderProcessGone will
1217 // destroy the aura window, which may dispatch a synthetic mouse move.)
1218 input_router_.reset(new InputRouterImpl(
1219 process_, this, this, routing_id_, GetInputRouterConfigForPlatform()));
1221 synthetic_gesture_controller_.reset();
1224 void RenderWidgetHostImpl::UpdateTextDirection(WebTextDirection direction) {
1225 text_direction_updated_ = true;
1226 text_direction_ = direction;
1229 void RenderWidgetHostImpl::CancelUpdateTextDirection() {
1230 if (text_direction_updated_)
1231 text_direction_canceled_ = true;
1234 void RenderWidgetHostImpl::NotifyTextDirection() {
1235 if (text_direction_updated_) {
1236 if (!text_direction_canceled_)
1237 Send(new ViewMsg_SetTextDirection(GetRoutingID(), text_direction_));
1238 text_direction_updated_ = false;
1239 text_direction_canceled_ = false;
1243 void RenderWidgetHostImpl::SetInputMethodActive(bool activate) {
1244 input_method_active_ = activate;
1245 Send(new ViewMsg_SetInputMethodActive(GetRoutingID(), activate));
1248 void RenderWidgetHostImpl::CandidateWindowShown() {
1249 Send(new ViewMsg_CandidateWindowShown(GetRoutingID()));
1252 void RenderWidgetHostImpl::CandidateWindowUpdated() {
1253 Send(new ViewMsg_CandidateWindowUpdated(GetRoutingID()));
1256 void RenderWidgetHostImpl::CandidateWindowHidden() {
1257 Send(new ViewMsg_CandidateWindowHidden(GetRoutingID()));
1260 void RenderWidgetHostImpl::ImeSetComposition(
1261 const base::string16& text,
1262 const std::vector<blink::WebCompositionUnderline>& underlines,
1263 int selection_start,
1264 int selection_end) {
1265 Send(new ViewMsg_ImeSetComposition(
1266 GetRoutingID(), text, underlines, selection_start, selection_end));
1269 void RenderWidgetHostImpl::ImeConfirmComposition(
1270 const base::string16& text,
1271 const gfx::Range& replacement_range,
1272 bool keep_selection) {
1273 Send(new ViewMsg_ImeConfirmComposition(
1274 GetRoutingID(), text, replacement_range, keep_selection));
1277 void RenderWidgetHostImpl::ImeCancelComposition() {
1278 Send(new ViewMsg_ImeSetComposition(GetRoutingID(), base::string16(),
1279 std::vector<blink::WebCompositionUnderline>(), 0, 0));
1282 gfx::Rect RenderWidgetHostImpl::GetRootWindowResizerRect() const {
1286 void RenderWidgetHostImpl::RequestToLockMouse(bool user_gesture,
1287 bool last_unlocked_by_target) {
1288 // Directly reject to lock the mouse. Subclass can override this method to
1289 // decide whether to allow mouse lock or not.
1290 GotResponseToLockMouseRequest(false);
1293 void RenderWidgetHostImpl::RejectMouseLockOrUnlockIfNecessary() {
1294 DCHECK(!pending_mouse_lock_request_ || !IsMouseLocked());
1295 if (pending_mouse_lock_request_) {
1296 pending_mouse_lock_request_ = false;
1297 Send(new ViewMsg_LockMouse_ACK(routing_id_, false));
1298 } else if (IsMouseLocked()) {
1299 view_->UnlockMouse();
1303 bool RenderWidgetHostImpl::IsMouseLocked() const {
1304 return view_ ? view_->IsMouseLocked() : false;
1307 bool RenderWidgetHostImpl::IsFullscreen() const {
1311 void RenderWidgetHostImpl::SetShouldAutoResize(bool enable) {
1312 should_auto_resize_ = enable;
1315 void RenderWidgetHostImpl::Destroy() {
1316 NotificationService::current()->Notify(
1317 NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED,
1318 Source<RenderWidgetHost>(this),
1319 NotificationService::NoDetails());
1321 // Tell the view to die.
1322 // Note that in the process of the view shutting down, it can call a ton
1323 // of other messages on us. So if you do any other deinitialization here,
1324 // do it after this call to view_->Destroy().
1331 void RenderWidgetHostImpl::RendererIsUnresponsive() {
1332 NotificationService::current()->Notify(
1333 NOTIFICATION_RENDER_WIDGET_HOST_HANG,
1334 Source<RenderWidgetHost>(this),
1335 NotificationService::NoDetails());
1336 is_unresponsive_ = true;
1337 NotifyRendererUnresponsive();
1340 void RenderWidgetHostImpl::RendererIsResponsive() {
1341 if (is_unresponsive_) {
1342 is_unresponsive_ = false;
1343 NotifyRendererResponsive();
1347 void RenderWidgetHostImpl::OnRenderViewReady() {
1352 void RenderWidgetHostImpl::OnRenderProcessGone(int status, int exit_code) {
1353 // TODO(evanm): This synchronously ends up calling "delete this".
1354 // Is that really what we want in response to this message? I'm matching
1355 // previous behavior of the code here.
1359 void RenderWidgetHostImpl::OnClose() {
1363 void RenderWidgetHostImpl::OnSetTooltipText(
1364 const base::string16& tooltip_text,
1365 WebTextDirection text_direction_hint) {
1366 // First, add directionality marks around tooltip text if necessary.
1367 // A naive solution would be to simply always wrap the text. However, on
1368 // windows, Unicode directional embedding characters can't be displayed on
1369 // systems that lack RTL fonts and are instead displayed as empty squares.
1371 // To get around this we only wrap the string when we deem it necessary i.e.
1372 // when the locale direction is different than the tooltip direction hint.
1374 // Currently, we use element's directionality as the tooltip direction hint.
1375 // An alternate solution would be to set the overall directionality based on
1376 // trying to detect the directionality from the tooltip text rather than the
1377 // element direction. One could argue that would be a preferable solution
1378 // but we use the current approach to match Fx & IE's behavior.
1379 base::string16 wrapped_tooltip_text = tooltip_text;
1380 if (!tooltip_text.empty()) {
1381 if (text_direction_hint == blink::WebTextDirectionLeftToRight) {
1382 // Force the tooltip to have LTR directionality.
1383 wrapped_tooltip_text =
1384 base::i18n::GetDisplayStringInLTRDirectionality(wrapped_tooltip_text);
1385 } else if (text_direction_hint == blink::WebTextDirectionRightToLeft &&
1386 !base::i18n::IsRTL()) {
1387 // Force the tooltip to have RTL directionality.
1388 base::i18n::WrapStringWithRTLFormatting(&wrapped_tooltip_text);
1392 view_->SetTooltipText(wrapped_tooltip_text);
1395 void RenderWidgetHostImpl::OnUpdateScreenRectsAck() {
1396 waiting_for_screen_rects_ack_ = false;
1400 if (view_->GetViewBounds() == last_view_screen_rect_ &&
1401 view_->GetBoundsInRootWindow() == last_window_screen_rect_) {
1408 void RenderWidgetHostImpl::OnRequestMove(const gfx::Rect& pos) {
1410 view_->SetBounds(pos);
1411 Send(new ViewMsg_Move_ACK(routing_id_));
1415 #if defined(OS_MACOSX)
1416 void RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwapped(
1417 const ViewHostMsg_CompositorSurfaceBuffersSwapped_Params& params) {
1418 // This trace event is used in
1419 // chrome/browser/extensions/api/cast_streaming/performance_test.cc
1420 TRACE_EVENT0("renderer_host",
1421 "RenderWidgetHostImpl::OnCompositorSurfaceBuffersSwapped");
1422 // This trace event is used in
1423 // chrome/browser/extensions/api/cast_streaming/performance_test.cc
1424 UNSHIPPED_TRACE_EVENT0("test_fps",
1425 TRACE_DISABLED_BY_DEFAULT("OnSwapCompositorFrame"));
1426 if (!ui::LatencyInfo::Verify(params.latency_info,
1427 "ViewHostMsg_CompositorSurfaceBuffersSwapped"))
1430 AcceleratedSurfaceMsg_BufferPresented_Params ack_params;
1431 ack_params.sync_point = 0;
1432 RenderWidgetHostImpl::AcknowledgeBufferPresent(params.route_id,
1433 params.gpu_process_host_id,
1437 GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params gpu_params;
1438 gpu_params.surface_id = params.surface_id;
1439 gpu_params.surface_handle = params.surface_handle;
1440 gpu_params.route_id = params.route_id;
1441 gpu_params.size = params.size;
1442 gpu_params.scale_factor = params.scale_factor;
1443 gpu_params.latency_info = params.latency_info;
1444 for (size_t i = 0; i < gpu_params.latency_info.size(); i++)
1445 AddLatencyInfoComponentIds(&gpu_params.latency_info[i]);
1446 view_->AcceleratedSurfaceBuffersSwapped(gpu_params,
1447 params.gpu_process_host_id);
1448 view_->DidReceiveRendererFrame();
1452 bool RenderWidgetHostImpl::OnSwapCompositorFrame(
1453 const IPC::Message& message) {
1454 // This trace event is used in
1455 // chrome/browser/extensions/api/cast_streaming/performance_test.cc
1456 UNSHIPPED_TRACE_EVENT0("test_fps",
1457 TRACE_DISABLED_BY_DEFAULT("OnSwapCompositorFrame"));
1458 ViewHostMsg_SwapCompositorFrame::Param param;
1459 if (!ViewHostMsg_SwapCompositorFrame::Read(&message, ¶m))
1461 scoped_ptr<cc::CompositorFrame> frame(new cc::CompositorFrame);
1462 uint32 output_surface_id = param.a;
1463 param.b.AssignTo(frame.get());
1465 for (size_t i = 0; i < frame->metadata.latency_info.size(); i++)
1466 AddLatencyInfoComponentIds(&frame->metadata.latency_info[i]);
1468 input_router_->OnViewUpdated(
1469 GetInputRouterViewFlagsFromCompositorFrameMetadata(frame->metadata));
1472 view_->OnSwapCompositorFrame(output_surface_id, frame.Pass());
1473 view_->DidReceiveRendererFrame();
1475 cc::CompositorFrameAck ack;
1476 if (frame->gl_frame_data) {
1477 ack.gl_frame_data = frame->gl_frame_data.Pass();
1478 ack.gl_frame_data->sync_point = 0;
1479 } else if (frame->delegated_frame_data) {
1480 cc::TransferableResource::ReturnResources(
1481 frame->delegated_frame_data->resource_list,
1483 } else if (frame->software_frame_data) {
1484 ack.last_software_frame_id = frame->software_frame_data->id;
1486 SendSwapCompositorFrameAck(routing_id_, output_surface_id,
1487 process_->GetID(), ack);
1492 void RenderWidgetHostImpl::OnFlingingStopped() {
1494 view_->DidStopFlinging();
1497 void RenderWidgetHostImpl::OnUpdateRect(
1498 const ViewHostMsg_UpdateRect_Params& params) {
1499 TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::OnUpdateRect");
1500 TimeTicks paint_start = TimeTicks::Now();
1502 // Update our knowledge of the RenderWidget's size.
1503 current_size_ = params.view_size;
1504 // Update our knowledge of the RenderWidget's scroll offset.
1505 last_scroll_offset_ = params.scroll_offset;
1507 bool is_resize_ack =
1508 ViewHostMsg_UpdateRect_Flags::is_resize_ack(params.flags);
1510 // resize_ack_pending_ needs to be cleared before we call DidPaintRect, since
1511 // that will end up reaching GetBackingStore.
1512 if (is_resize_ack) {
1513 DCHECK(!g_check_for_pending_resize_ack || resize_ack_pending_);
1514 resize_ack_pending_ = false;
1517 bool is_repaint_ack =
1518 ViewHostMsg_UpdateRect_Flags::is_repaint_ack(params.flags);
1519 if (is_repaint_ack) {
1520 DCHECK(repaint_ack_pending_);
1521 TRACE_EVENT_ASYNC_END0(
1522 "renderer_host", "RenderWidgetHostImpl::repaint_ack_pending_", this);
1523 repaint_ack_pending_ = false;
1524 TimeDelta delta = TimeTicks::Now() - repaint_start_time_;
1525 UMA_HISTOGRAM_TIMES("MPArch.RWH_RepaintDelta", delta);
1528 DCHECK(!params.view_size.IsEmpty());
1530 DidUpdateBackingStore(params, paint_start);
1532 if (should_auto_resize_) {
1533 bool post_callback = new_auto_size_.IsEmpty();
1534 new_auto_size_ = params.view_size;
1535 if (post_callback) {
1536 base::MessageLoop::current()->PostTask(
1538 base::Bind(&RenderWidgetHostImpl::DelayedAutoResized,
1539 weak_factory_.GetWeakPtr()));
1543 // Log the time delta for processing a paint message. On platforms that don't
1544 // support asynchronous painting, this is equivalent to
1545 // MPArch.RWH_TotalPaintTime.
1546 TimeDelta delta = TimeTicks::Now() - paint_start;
1547 UMA_HISTOGRAM_TIMES("MPArch.RWH_OnMsgUpdateRect", delta);
1550 void RenderWidgetHostImpl::DidUpdateBackingStore(
1551 const ViewHostMsg_UpdateRect_Params& params,
1552 const TimeTicks& paint_start) {
1553 TRACE_EVENT0("renderer_host", "RenderWidgetHostImpl::DidUpdateBackingStore");
1554 TimeTicks update_start = TimeTicks::Now();
1556 // Move the plugins if the view hasn't already been destroyed. Plugin moves
1557 // will not be re-issued, so must move them now, regardless of whether we
1558 // paint or not. MovePluginWindows attempts to move the plugin windows and
1559 // in the process could dispatch other window messages which could cause the
1560 // view to be destroyed.
1562 view_->MovePluginWindows(params.plugin_window_moves);
1564 NotificationService::current()->Notify(
1565 NOTIFICATION_RENDER_WIDGET_HOST_DID_UPDATE_BACKING_STORE,
1566 Source<RenderWidgetHost>(this),
1567 NotificationService::NoDetails());
1569 // We don't need to update the view if the view is hidden. We must do this
1570 // early return after the ACK is sent, however, or the renderer will not send
1575 // If we got a resize ack, then perhaps we have another resize to send?
1576 bool is_resize_ack =
1577 ViewHostMsg_UpdateRect_Flags::is_resize_ack(params.flags);
1581 // Log the time delta for processing a paint message.
1582 TimeTicks now = TimeTicks::Now();
1583 TimeDelta delta = now - update_start;
1584 UMA_HISTOGRAM_TIMES("MPArch.RWH_DidUpdateBackingStore", delta);
1587 void RenderWidgetHostImpl::OnQueueSyntheticGesture(
1588 const SyntheticGesturePacket& gesture_packet) {
1589 // Only allow untrustworthy gestures if explicitly enabled.
1590 if (!CommandLine::ForCurrentProcess()->HasSwitch(
1591 cc::switches::kEnableGpuBenchmarking)) {
1592 RecordAction(base::UserMetricsAction("BadMessageTerminate_RWH7"));
1593 GetProcess()->ReceivedBadMessage();
1597 QueueSyntheticGesture(
1598 SyntheticGesture::Create(*gesture_packet.gesture_params()),
1599 base::Bind(&RenderWidgetHostImpl::OnSyntheticGestureCompleted,
1600 weak_factory_.GetWeakPtr()));
1603 void RenderWidgetHostImpl::OnFocus() {
1604 // Only RenderViewHost can deal with that message.
1605 RecordAction(base::UserMetricsAction("BadMessageTerminate_RWH4"));
1606 GetProcess()->ReceivedBadMessage();
1609 void RenderWidgetHostImpl::OnBlur() {
1610 // Only RenderViewHost can deal with that message.
1611 RecordAction(base::UserMetricsAction("BadMessageTerminate_RWH5"));
1612 GetProcess()->ReceivedBadMessage();
1615 void RenderWidgetHostImpl::OnSetCursor(const WebCursor& cursor) {
1619 void RenderWidgetHostImpl::OnSetTouchEventEmulationEnabled(
1620 bool enabled, bool allow_pinch) {
1622 delegate_->OnTouchEmulationEnabled(enabled);
1625 if (!touch_emulator_)
1626 touch_emulator_.reset(new TouchEmulator(this));
1627 touch_emulator_->Enable(allow_pinch);
1629 if (touch_emulator_)
1630 touch_emulator_->Disable();
1634 void RenderWidgetHostImpl::OnTextInputStateChanged(
1635 const ViewHostMsg_TextInputState_Params& params) {
1637 view_->TextInputStateChanged(params);
1640 #if defined(OS_MACOSX) || defined(USE_AURA)
1641 void RenderWidgetHostImpl::OnImeCompositionRangeChanged(
1642 const gfx::Range& range,
1643 const std::vector<gfx::Rect>& character_bounds) {
1645 view_->ImeCompositionRangeChanged(range, character_bounds);
1649 void RenderWidgetHostImpl::OnImeCancelComposition() {
1651 view_->ImeCancelComposition();
1654 void RenderWidgetHostImpl::OnLockMouse(bool user_gesture,
1655 bool last_unlocked_by_target,
1658 if (pending_mouse_lock_request_) {
1659 Send(new ViewMsg_LockMouse_ACK(routing_id_, false));
1661 } else if (IsMouseLocked()) {
1662 Send(new ViewMsg_LockMouse_ACK(routing_id_, true));
1666 pending_mouse_lock_request_ = true;
1667 if (privileged && allow_privileged_mouse_lock_) {
1668 // Directly approve to lock the mouse.
1669 GotResponseToLockMouseRequest(true);
1671 RequestToLockMouse(user_gesture, last_unlocked_by_target);
1675 void RenderWidgetHostImpl::OnUnlockMouse() {
1676 RejectMouseLockOrUnlockIfNecessary();
1679 void RenderWidgetHostImpl::OnShowDisambiguationPopup(
1680 const gfx::Rect& rect,
1681 const gfx::Size& size,
1682 const cc::SharedBitmapId& id) {
1683 DCHECK(!rect.IsEmpty());
1684 DCHECK(!size.IsEmpty());
1686 scoped_ptr<cc::SharedBitmap> bitmap =
1687 HostSharedBitmapManager::current()->GetSharedBitmapFromId(size, id);
1689 RecordAction(base::UserMetricsAction("BadMessageTerminate_RWH6"));
1690 GetProcess()->ReceivedBadMessage();
1694 DCHECK(bitmap->pixels());
1696 SkBitmap zoomed_bitmap;
1697 zoomed_bitmap.setConfig(SkBitmap::kARGB_8888_Config,
1698 size.width(), size.height());
1699 zoomed_bitmap.setPixels(bitmap->pixels());
1701 #if defined(OS_ANDROID)
1703 view_->ShowDisambiguationPopup(rect, zoomed_bitmap);
1708 zoomed_bitmap.setPixels(0);
1709 Send(new ViewMsg_ReleaseDisambiguationPopupBitmap(GetRoutingID(), id));
1713 void RenderWidgetHostImpl::OnWindowlessPluginDummyWindowCreated(
1714 gfx::NativeViewId dummy_activation_window) {
1715 HWND hwnd = reinterpret_cast<HWND>(dummy_activation_window);
1717 // This may happen as a result of a race condition when the plugin is going
1719 wchar_t window_title[MAX_PATH + 1] = {0};
1720 if (!IsWindow(hwnd) ||
1721 !GetWindowText(hwnd, window_title, arraysize(window_title)) ||
1722 lstrcmpiW(window_title, kDummyActivationWindowName) != 0) {
1726 #if defined(USE_AURA)
1728 reinterpret_cast<HWND>(view_->GetParentForWindowlessPlugin()));
1730 SetParent(hwnd, reinterpret_cast<HWND>(GetNativeViewId()));
1732 dummy_windows_for_activation_.push_back(hwnd);
1735 void RenderWidgetHostImpl::OnWindowlessPluginDummyWindowDestroyed(
1736 gfx::NativeViewId dummy_activation_window) {
1737 HWND hwnd = reinterpret_cast<HWND>(dummy_activation_window);
1738 std::list<HWND>::iterator i = dummy_windows_for_activation_.begin();
1739 for (; i != dummy_windows_for_activation_.end(); ++i) {
1741 dummy_windows_for_activation_.erase(i);
1745 NOTREACHED() << "Unknown dummy window";
1749 void RenderWidgetHostImpl::SetIgnoreInputEvents(bool ignore_input_events) {
1750 ignore_input_events_ = ignore_input_events;
1753 bool RenderWidgetHostImpl::KeyPressListenersHandleEvent(
1754 const NativeWebKeyboardEvent& event) {
1755 if (event.skip_in_browser || event.type != WebKeyboardEvent::RawKeyDown)
1758 for (size_t i = 0; i < key_press_event_callbacks_.size(); i++) {
1759 size_t original_size = key_press_event_callbacks_.size();
1760 if (key_press_event_callbacks_[i].Run(event))
1763 // Check whether the callback that just ran removed itself, in which case
1764 // the iterator needs to be decremented to properly account for the removal.
1765 size_t current_size = key_press_event_callbacks_.size();
1766 if (current_size != original_size) {
1767 DCHECK_EQ(original_size - 1, current_size);
1775 InputEventAckState RenderWidgetHostImpl::FilterInputEvent(
1776 const blink::WebInputEvent& event, const ui::LatencyInfo& latency_info) {
1777 // Don't ignore touch cancel events, since they may be sent while input
1778 // events are being ignored in order to keep the renderer from getting
1779 // confused about how many touches are active.
1780 if (IgnoreInputEvents() && event.type != WebInputEvent::TouchCancel)
1781 return INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS;
1783 if (!process_->HasConnection())
1784 return INPUT_EVENT_ACK_STATE_UNKNOWN;
1786 if (event.type == WebInputEvent::MouseDown)
1789 return view_ ? view_->FilterInputEvent(event)
1790 : INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
1793 void RenderWidgetHostImpl::IncrementInFlightEventCount() {
1794 StartHangMonitorTimeout(
1795 TimeDelta::FromMilliseconds(hung_renderer_delay_ms_));
1796 increment_in_flight_event_count();
1799 void RenderWidgetHostImpl::DecrementInFlightEventCount() {
1800 DCHECK_GE(in_flight_event_count_, 0);
1801 // Cancel pending hung renderer checks since the renderer is responsive.
1802 if (decrement_in_flight_event_count() <= 0)
1803 StopHangMonitorTimeout();
1806 void RenderWidgetHostImpl::OnHasTouchEventHandlers(bool has_handlers) {
1807 has_touch_handler_ = has_handlers;
1810 void RenderWidgetHostImpl::DidFlush() {
1811 if (synthetic_gesture_controller_)
1812 synthetic_gesture_controller_->OnDidFlushInput();
1814 view_->OnDidFlushInput();
1817 void RenderWidgetHostImpl::DidOverscroll(const DidOverscrollParams& params) {
1819 view_->DidOverscroll(params);
1822 void RenderWidgetHostImpl::OnKeyboardEventAck(
1823 const NativeWebKeyboardEvent& event,
1824 InputEventAckState ack_result) {
1825 #if defined(OS_MACOSX)
1826 if (!is_hidden() && view_ && view_->PostProcessEventForPluginIme(event))
1830 // We only send unprocessed key event upwards if we are not hidden,
1831 // because the user has moved away from us and no longer expect any effect
1832 // of this key event.
1833 const bool processed = (INPUT_EVENT_ACK_STATE_CONSUMED == ack_result);
1834 if (delegate_ && !processed && !is_hidden() && !event.skip_in_browser) {
1835 delegate_->HandleKeyboardEvent(event);
1837 // WARNING: This RenderWidgetHostImpl can be deallocated at this point
1838 // (i.e. in the case of Ctrl+W, where the call to
1839 // HandleKeyboardEvent destroys this RenderWidgetHostImpl).
1843 void RenderWidgetHostImpl::OnWheelEventAck(
1844 const MouseWheelEventWithLatencyInfo& wheel_event,
1845 InputEventAckState ack_result) {
1846 if (!wheel_event.latency.FindLatency(
1847 ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_COMPONENT, 0, NULL)) {
1848 // MouseWheelEvent latency ends when it is acked but does not cause any
1849 // rendering scheduled.
1850 ui::LatencyInfo latency = wheel_event.latency;
1851 latency.AddLatencyNumber(
1852 ui::INPUT_EVENT_LATENCY_TERMINATED_MOUSE_COMPONENT, 0, 0);
1855 if (!is_hidden() && view_) {
1856 if (ack_result != INPUT_EVENT_ACK_STATE_CONSUMED &&
1857 delegate_->HandleWheelEvent(wheel_event.event)) {
1858 ack_result = INPUT_EVENT_ACK_STATE_CONSUMED;
1860 view_->WheelEventAck(wheel_event.event, ack_result);
1864 void RenderWidgetHostImpl::OnGestureEventAck(
1865 const GestureEventWithLatencyInfo& event,
1866 InputEventAckState ack_result) {
1867 if (!event.latency.FindLatency(
1868 ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_COMPONENT, 0, NULL)) {
1869 // GestureEvent latency ends when it is acked but does not cause any
1870 // rendering scheduled.
1871 ui::LatencyInfo latency = event.latency;
1872 latency.AddLatencyNumber(
1873 ui::INPUT_EVENT_LATENCY_TERMINATED_GESTURE_COMPONENT, 0 ,0);
1876 if (ack_result != INPUT_EVENT_ACK_STATE_CONSUMED) {
1877 if (delegate_->HandleGestureEvent(event.event))
1878 ack_result = INPUT_EVENT_ACK_STATE_CONSUMED;
1882 view_->GestureEventAck(event.event, ack_result);
1885 void RenderWidgetHostImpl::OnTouchEventAck(
1886 const TouchEventWithLatencyInfo& event,
1887 InputEventAckState ack_result) {
1888 TouchEventWithLatencyInfo touch_event = event;
1889 touch_event.latency.AddLatencyNumber(
1890 ui::INPUT_EVENT_LATENCY_ACKED_TOUCH_COMPONENT, 0, 0);
1891 // TouchEvent latency ends at ack if it didn't cause any rendering.
1892 if (!touch_event.latency.FindLatency(
1893 ui::INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_COMPONENT, 0, NULL)) {
1894 touch_event.latency.AddLatencyNumber(
1895 ui::INPUT_EVENT_LATENCY_TERMINATED_TOUCH_COMPONENT, 0, 0);
1897 ComputeTouchLatency(touch_event.latency);
1899 if (touch_emulator_ && touch_emulator_->HandleTouchEventAck(ack_result))
1903 view_->ProcessAckedTouchEvent(touch_event, ack_result);
1906 void RenderWidgetHostImpl::OnUnexpectedEventAck(UnexpectedEventAckType type) {
1907 if (type == BAD_ACK_MESSAGE) {
1908 RecordAction(base::UserMetricsAction("BadMessageTerminate_RWH2"));
1909 process_->ReceivedBadMessage();
1910 } else if (type == UNEXPECTED_EVENT_TYPE) {
1911 suppress_next_char_events_ = false;
1915 void RenderWidgetHostImpl::OnSyntheticGestureCompleted(
1916 SyntheticGesture::Result result) {
1917 Send(new InputMsg_SyntheticGestureCompleted(GetRoutingID()));
1920 const gfx::Vector2d& RenderWidgetHostImpl::GetLastScrollOffset() const {
1921 return last_scroll_offset_;
1924 bool RenderWidgetHostImpl::IgnoreInputEvents() const {
1925 return ignore_input_events_ || process_->IgnoreInputEvents();
1928 bool RenderWidgetHostImpl::ShouldForwardTouchEvent() const {
1929 return input_router_->ShouldForwardTouchEvent();
1932 void RenderWidgetHostImpl::StartUserGesture() {
1936 void RenderWidgetHostImpl::Stop() {
1937 Send(new ViewMsg_Stop(GetRoutingID()));
1940 void RenderWidgetHostImpl::SetBackgroundOpaque(bool opaque) {
1941 Send(new ViewMsg_SetBackgroundOpaque(GetRoutingID(), opaque));
1944 void RenderWidgetHostImpl::SetEditCommandsForNextKeyEvent(
1945 const std::vector<EditCommand>& commands) {
1946 Send(new InputMsg_SetEditCommandsForNextKeyEvent(GetRoutingID(), commands));
1949 void RenderWidgetHostImpl::AddAccessibilityMode(AccessibilityMode mode) {
1950 SetAccessibilityMode(
1951 content::AddAccessibilityModeTo(accessibility_mode_, mode));
1954 void RenderWidgetHostImpl::RemoveAccessibilityMode(AccessibilityMode mode) {
1955 SetAccessibilityMode(
1956 content::RemoveAccessibilityModeFrom(accessibility_mode_, mode));
1959 void RenderWidgetHostImpl::ResetAccessibilityMode() {
1960 SetAccessibilityMode(
1961 BrowserAccessibilityStateImpl::GetInstance()->accessibility_mode());
1964 void RenderWidgetHostImpl::SetAccessibilityMode(AccessibilityMode mode) {
1965 accessibility_mode_ = mode;
1966 Send(new ViewMsg_SetAccessibilityMode(GetRoutingID(), mode));
1969 void RenderWidgetHostImpl::AccessibilitySetFocus(int object_id) {
1970 Send(new AccessibilityMsg_SetFocus(GetRoutingID(), object_id));
1971 view_->OnAccessibilitySetFocus(object_id);
1974 void RenderWidgetHostImpl::AccessibilityDoDefaultAction(int object_id) {
1975 Send(new AccessibilityMsg_DoDefaultAction(GetRoutingID(), object_id));
1978 void RenderWidgetHostImpl::AccessibilityShowMenu(int object_id) {
1979 view_->AccessibilityShowMenu(object_id);
1982 void RenderWidgetHostImpl::AccessibilityScrollToMakeVisible(
1983 int acc_obj_id, gfx::Rect subfocus) {
1984 Send(new AccessibilityMsg_ScrollToMakeVisible(
1985 GetRoutingID(), acc_obj_id, subfocus));
1988 void RenderWidgetHostImpl::AccessibilityScrollToPoint(
1989 int acc_obj_id, gfx::Point point) {
1990 Send(new AccessibilityMsg_ScrollToPoint(
1991 GetRoutingID(), acc_obj_id, point));
1994 void RenderWidgetHostImpl::AccessibilitySetTextSelection(
1995 int object_id, int start_offset, int end_offset) {
1996 Send(new AccessibilityMsg_SetTextSelection(
1997 GetRoutingID(), object_id, start_offset, end_offset));
2000 bool RenderWidgetHostImpl::AccessibilityViewHasFocus() const {
2001 return view_->HasFocus();
2004 gfx::Rect RenderWidgetHostImpl::AccessibilityGetViewBounds() const {
2005 return view_->GetViewBounds();
2008 gfx::Point RenderWidgetHostImpl::AccessibilityOriginInScreen(
2009 const gfx::Rect& bounds) const {
2010 return view_->AccessibilityOriginInScreen(bounds);
2013 void RenderWidgetHostImpl::AccessibilityHitTest(const gfx::Point& point) {
2014 Send(new AccessibilityMsg_HitTest(GetRoutingID(), point));
2017 void RenderWidgetHostImpl::AccessibilityFatalError() {
2018 Send(new AccessibilityMsg_FatalError(GetRoutingID()));
2019 view_->SetBrowserAccessibilityManager(NULL);
2023 void RenderWidgetHostImpl::SetParentNativeViewAccessible(
2024 gfx::NativeViewAccessible accessible_parent) {
2026 view_->SetParentNativeViewAccessible(accessible_parent);
2029 gfx::NativeViewAccessible
2030 RenderWidgetHostImpl::GetParentNativeViewAccessible() const {
2031 return delegate_->GetParentNativeViewAccessible();
2035 void RenderWidgetHostImpl::ExecuteEditCommand(const std::string& command,
2036 const std::string& value) {
2037 Send(new InputMsg_ExecuteEditCommand(GetRoutingID(), command, value));
2040 void RenderWidgetHostImpl::ScrollFocusedEditableNodeIntoRect(
2041 const gfx::Rect& rect) {
2042 Send(new InputMsg_ScrollFocusedEditableNodeIntoRect(GetRoutingID(), rect));
2045 void RenderWidgetHostImpl::MoveCaret(const gfx::Point& point) {
2046 Send(new InputMsg_MoveCaret(GetRoutingID(), point));
2049 bool RenderWidgetHostImpl::GotResponseToLockMouseRequest(bool allowed) {
2051 RejectMouseLockOrUnlockIfNecessary();
2054 if (!pending_mouse_lock_request_) {
2055 // This is possible, e.g., the plugin sends us an unlock request before
2056 // the user allows to lock to mouse.
2060 pending_mouse_lock_request_ = false;
2061 if (!view_ || !view_->HasFocus()|| !view_->LockMouse()) {
2062 Send(new ViewMsg_LockMouse_ACK(routing_id_, false));
2065 Send(new ViewMsg_LockMouse_ACK(routing_id_, true));
2072 void RenderWidgetHostImpl::AcknowledgeBufferPresent(
2073 int32 route_id, int gpu_host_id,
2074 const AcceleratedSurfaceMsg_BufferPresented_Params& params) {
2075 GpuProcessHostUIShim* ui_shim = GpuProcessHostUIShim::FromID(gpu_host_id);
2077 ui_shim->Send(new AcceleratedSurfaceMsg_BufferPresented(route_id,
2083 void RenderWidgetHostImpl::SendSwapCompositorFrameAck(
2085 uint32 output_surface_id,
2086 int renderer_host_id,
2087 const cc::CompositorFrameAck& ack) {
2088 RenderProcessHost* host = RenderProcessHost::FromID(renderer_host_id);
2091 host->Send(new ViewMsg_SwapCompositorFrameAck(
2092 route_id, output_surface_id, ack));
2096 void RenderWidgetHostImpl::SendReclaimCompositorResources(
2098 uint32 output_surface_id,
2099 int renderer_host_id,
2100 const cc::CompositorFrameAck& ack) {
2101 RenderProcessHost* host = RenderProcessHost::FromID(renderer_host_id);
2105 new ViewMsg_ReclaimCompositorResources(route_id, output_surface_id, ack));
2108 void RenderWidgetHostImpl::DelayedAutoResized() {
2109 gfx::Size new_size = new_auto_size_;
2110 // Clear the new_auto_size_ since the empty value is used as a flag to
2111 // indicate that no callback is in progress (i.e. without this line
2112 // DelayedAutoResized will not get called again).
2113 new_auto_size_.SetSize(0, 0);
2114 if (!should_auto_resize_)
2117 OnRenderAutoResized(new_size);
2120 void RenderWidgetHostImpl::DetachDelegate() {
2124 void RenderWidgetHostImpl::ComputeTouchLatency(
2125 const ui::LatencyInfo& latency_info) {
2126 ui::LatencyInfo::LatencyComponent ui_component;
2127 ui::LatencyInfo::LatencyComponent rwh_component;
2128 ui::LatencyInfo::LatencyComponent acked_component;
2130 if (!latency_info.FindLatency(ui::INPUT_EVENT_LATENCY_UI_COMPONENT,
2133 !latency_info.FindLatency(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
2134 GetLatencyComponentId(),
2138 DCHECK(ui_component.event_count == 1);
2139 DCHECK(rwh_component.event_count == 1);
2141 base::TimeDelta ui_delta =
2142 rwh_component.event_time - ui_component.event_time;
2143 UMA_HISTOGRAM_CUSTOM_COUNTS(
2144 "Event.Latency.Browser.TouchUI",
2145 ui_delta.InMicroseconds(),
2150 if (latency_info.FindLatency(ui::INPUT_EVENT_LATENCY_ACKED_TOUCH_COMPONENT,
2152 &acked_component)) {
2153 DCHECK(acked_component.event_count == 1);
2154 base::TimeDelta acked_delta =
2155 acked_component.event_time - rwh_component.event_time;
2156 UMA_HISTOGRAM_CUSTOM_COUNTS(
2157 "Event.Latency.Browser.TouchAcked",
2158 acked_delta.InMicroseconds(),
2165 void RenderWidgetHostImpl::FrameSwapped(const ui::LatencyInfo& latency_info) {
2166 ui::LatencyInfo::LatencyComponent window_snapshot_component;
2167 if (latency_info.FindLatency(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT,
2168 GetLatencyComponentId(),
2169 &window_snapshot_component)) {
2170 int sequence_number = static_cast<int>(
2171 window_snapshot_component.sequence_number);
2172 #if defined(OS_MACOSX)
2173 // On Mac, when using CoreAnmation, there is a delay between when content
2174 // is drawn to the screen, and when the snapshot will actually pick up
2175 // that content. Insert a manual delay of 1/6th of a second (to simulate
2176 // 10 frames at 60 fps) before actually taking the snapshot.
2177 base::MessageLoop::current()->PostDelayedTask(
2179 base::Bind(&RenderWidgetHostImpl::WindowSnapshotReachedScreen,
2180 weak_factory_.GetWeakPtr(),
2182 base::TimeDelta::FromSecondsD(1. / 6));
2184 WindowSnapshotReachedScreen(sequence_number);
2188 ui::LatencyInfo::LatencyComponent rwh_component;
2189 ui::LatencyInfo::LatencyComponent swap_component;
2190 if (!latency_info.FindLatency(ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT,
2191 GetLatencyComponentId(),
2193 !latency_info.FindLatency(
2194 ui::INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT,
2195 0, &swap_component)) {
2199 ui::LatencyInfo::LatencyComponent original_component;
2200 if (latency_info.FindLatency(
2201 ui::INPUT_EVENT_LATENCY_SCROLL_UPDATE_ORIGINAL_COMPONENT,
2202 GetLatencyComponentId(),
2203 &original_component)) {
2204 // This UMA metric tracks the time from when the original touch event is
2205 // created (averaged if there are multiple) to when the scroll gesture
2206 // results in final frame swap.
2207 base::TimeDelta delta =
2208 swap_component.event_time - original_component.event_time;
2209 for (size_t i = 0; i < original_component.event_count; i++) {
2210 UMA_HISTOGRAM_CUSTOM_COUNTS(
2211 "Event.Latency.TouchToScrollUpdateSwap",
2212 delta.InMicroseconds(),
2220 void RenderWidgetHostImpl::DidReceiveRendererFrame() {
2221 view_->DidReceiveRendererFrame();
2224 void RenderWidgetHostImpl::WindowSnapshotAsyncCallback(
2227 gfx::Size snapshot_size,
2228 scoped_refptr<base::RefCountedBytes> png_data) {
2230 std::vector<unsigned char> png_vector;
2231 Send(new ViewMsg_WindowSnapshotCompleted(
2232 routing_id, snapshot_id, gfx::Size(), png_vector));
2236 Send(new ViewMsg_WindowSnapshotCompleted(
2237 routing_id, snapshot_id, snapshot_size, png_data->data()));
2240 void RenderWidgetHostImpl::WindowSnapshotReachedScreen(int snapshot_id) {
2241 DCHECK(base::MessageLoopForUI::IsCurrent());
2243 std::vector<unsigned char> png;
2245 // This feature is behind the kEnableGpuBenchmarking command line switch
2246 // because it poses security concerns and should only be used for testing.
2247 const CommandLine& command_line = *CommandLine::ForCurrentProcess();
2248 if (!command_line.HasSwitch(cc::switches::kEnableGpuBenchmarking)) {
2249 Send(new ViewMsg_WindowSnapshotCompleted(
2250 GetRoutingID(), snapshot_id, gfx::Size(), png));
2254 gfx::Rect view_bounds = GetView()->GetViewBounds();
2255 gfx::Rect snapshot_bounds(view_bounds.size());
2256 gfx::Size snapshot_size = snapshot_bounds.size();
2258 if (ui::GrabViewSnapshot(
2259 GetView()->GetNativeView(), &png, snapshot_bounds)) {
2260 Send(new ViewMsg_WindowSnapshotCompleted(
2261 GetRoutingID(), snapshot_id, snapshot_size, png));
2265 ui::GrabViewSnapshotAsync(
2266 GetView()->GetNativeView(),
2268 base::ThreadTaskRunnerHandle::Get(),
2269 base::Bind(&RenderWidgetHostImpl::WindowSnapshotAsyncCallback,
2270 weak_factory_.GetWeakPtr(),
2277 void RenderWidgetHostImpl::CompositorFrameDrawn(
2278 const std::vector<ui::LatencyInfo>& latency_info) {
2279 for (size_t i = 0; i < latency_info.size(); i++) {
2280 std::set<RenderWidgetHostImpl*> rwhi_set;
2281 for (ui::LatencyInfo::LatencyMap::const_iterator b =
2282 latency_info[i].latency_components.begin();
2283 b != latency_info[i].latency_components.end();
2285 if (b->first.first == ui::INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT ||
2286 b->first.first == ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT) {
2287 // Matches with GetLatencyComponentId
2288 int routing_id = b->first.second & 0xffffffff;
2289 int process_id = (b->first.second >> 32) & 0xffffffff;
2290 RenderWidgetHost* rwh =
2291 RenderWidgetHost::FromID(process_id, routing_id);
2295 RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(rwh);
2296 if (rwhi_set.insert(rwhi).second)
2297 rwhi->FrameSwapped(latency_info[i]);
2303 void RenderWidgetHostImpl::AddLatencyInfoComponentIds(
2304 ui::LatencyInfo* latency_info) {
2305 ui::LatencyInfo::LatencyMap new_components;
2306 ui::LatencyInfo::LatencyMap::iterator lc =
2307 latency_info->latency_components.begin();
2308 while (lc != latency_info->latency_components.end()) {
2309 ui::LatencyComponentType component_type = lc->first.first;
2310 if (component_type == ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT) {
2311 // Generate a new component entry with the correct component ID
2312 ui::LatencyInfo::LatencyMap::key_type key =
2313 std::make_pair(component_type, GetLatencyComponentId());
2314 new_components[key] = lc->second;
2316 // Remove the old entry
2317 latency_info->latency_components.erase(lc++);
2323 // Add newly generated components into the latency info
2324 for (lc = new_components.begin(); lc != new_components.end(); ++lc) {
2325 latency_info->latency_components[lc->first] = lc->second;
2329 SkBitmap::Config RenderWidgetHostImpl::PreferredReadbackFormat() {
2331 return view_->PreferredReadbackFormat();
2332 return SkBitmap::kARGB_8888_Config;
2335 } // namespace content