| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/frame_host/render_widget_host_view_guest.h" |
| |
| #include <utility> |
| |
| #include "base/bind_helpers.h" |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/memory/ptr_util.h" |
| #include "base/message_loop/message_loop.h" |
| #include "build/build_config.h" |
| #include "cc/surfaces/surface.h" |
| #include "cc/surfaces/surface_factory.h" |
| #include "cc/surfaces/surface_manager.h" |
| #include "cc/surfaces/surface_sequence.h" |
| #include "content/browser/browser_plugin/browser_plugin_guest.h" |
| #include "content/browser/compositor/surface_utils.h" |
| #include "content/browser/renderer_host/input/input_router.h" |
| #include "content/browser/renderer_host/render_view_host_impl.h" |
| #include "content/browser/renderer_host/render_widget_host_delegate.h" |
| #include "content/browser/renderer_host/render_widget_host_input_event_router.h" |
| #include "content/common/browser_plugin/browser_plugin_messages.h" |
| #include "content/common/content_switches_internal.h" |
| #include "content/common/frame_messages.h" |
| #include "content/common/input/web_touch_event_traits.h" |
| #include "content/common/site_isolation_policy.h" |
| #include "content/common/view_messages.h" |
| #include "content/public/common/content_switches.h" |
| #include "gpu/ipc/common/gpu_messages.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "ui/events/base_event_utils.h" |
| |
| #if defined(OS_MACOSX) |
| #import "content/browser/renderer_host/render_widget_host_view_mac_dictionary_helper.h" |
| #endif |
| |
| #if defined(USE_AURA) |
| #include "content/browser/renderer_host/ui_events_helper.h" |
| #endif |
| |
| namespace content { |
| namespace { |
| |
| class ScopedInputScaleDisabler { |
| public: |
| ScopedInputScaleDisabler(RenderWidgetHostImpl* host, float scale_factor) |
| : host_(host), scale_factor_(scale_factor) { |
| if (IsUseZoomForDSFEnabled()) |
| host_->input_router()->SetDeviceScaleFactor(1.0f); |
| } |
| |
| ~ScopedInputScaleDisabler() { |
| if (IsUseZoomForDSFEnabled()) |
| host_->input_router()->SetDeviceScaleFactor(scale_factor_); |
| } |
| |
| private: |
| RenderWidgetHostImpl* host_; |
| float scale_factor_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScopedInputScaleDisabler); |
| }; |
| |
| } // namespace |
| |
| // static |
| RenderWidgetHostViewGuest* RenderWidgetHostViewGuest::Create( |
| RenderWidgetHost* widget, |
| BrowserPluginGuest* guest, |
| base::WeakPtr<RenderWidgetHostViewBase> platform_view) { |
| RenderWidgetHostViewGuest* view = |
| new RenderWidgetHostViewGuest(widget, guest, platform_view); |
| view->Init(); |
| return view; |
| } |
| |
| RenderWidgetHostViewGuest::RenderWidgetHostViewGuest( |
| RenderWidgetHost* widget_host, |
| BrowserPluginGuest* guest, |
| base::WeakPtr<RenderWidgetHostViewBase> platform_view) |
| : RenderWidgetHostViewChildFrame(widget_host), |
| // |guest| is NULL during test. |
| guest_(guest ? guest->AsWeakPtr() : base::WeakPtr<BrowserPluginGuest>()), |
| platform_view_(platform_view) { |
| gfx::NativeView view = GetNativeView(); |
| if (view) |
| UpdateScreenInfo(view); |
| } |
| |
| RenderWidgetHostViewGuest::~RenderWidgetHostViewGuest() {} |
| |
| bool RenderWidgetHostViewGuest::OnMessageReceivedFromEmbedder( |
| const IPC::Message& message, |
| RenderWidgetHostImpl* embedder) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP_WITH_PARAM(RenderWidgetHostViewGuest, message, |
| embedder) |
| IPC_MESSAGE_HANDLER(BrowserPluginHostMsg_HandleInputEvent, |
| OnHandleInputEvent) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| void RenderWidgetHostViewGuest::Show() { |
| // If the WebContents associated with us showed an interstitial page in the |
| // beginning, the teardown path might call WasShown() while |host_| is in |
| // the process of destruction. Avoid calling WasShown below in this case. |
| // TODO(lazyboy): We shouldn't be showing interstitial pages in guests in the |
| // first place: http://crbug.com/273089. |
| // |
| // |guest_| is NULL during test. |
| if ((guest_ && guest_->is_in_destruction()) || !host_->is_hidden()) |
| return; |
| // Make sure the size of this view matches the size of the WebContentsView. |
| // The two sizes may fall out of sync if we switch RenderWidgetHostViews, |
| // resize, and then switch page, as is the case with interstitial pages. |
| // NOTE: |guest_| is NULL in unit tests. |
| if (guest_) { |
| SetSize(guest_->web_contents()->GetViewBounds().size()); |
| // Since we were last shown, our renderer may have had a different surface |
| // set (e.g. showing an interstitial), so we resend our current surface to |
| // the renderer. |
| if (local_surface_id_.is_valid()) |
| SendSurfaceInfoToEmbedder(); |
| } |
| host_->WasShown(ui::LatencyInfo()); |
| } |
| |
| void RenderWidgetHostViewGuest::Hide() { |
| // |guest_| is NULL during test. |
| if ((guest_ && guest_->is_in_destruction()) || host_->is_hidden()) |
| return; |
| host_->WasHidden(); |
| } |
| |
| void RenderWidgetHostViewGuest::SetSize(const gfx::Size& size) { |
| size_ = size; |
| host_->WasResized(); |
| } |
| |
| void RenderWidgetHostViewGuest::SetBounds(const gfx::Rect& rect) { |
| SetSize(rect.size()); |
| } |
| |
| void RenderWidgetHostViewGuest::Focus() { |
| // InterstitialPageImpl focuses views directly, so we place focus logic here. |
| // InterstitialPages are not WebContents, and so BrowserPluginGuest does not |
| // have direct access to the interstitial page's RenderWidgetHost. |
| if (guest_) |
| guest_->SetFocus(host_, true, blink::WebFocusTypeNone); |
| } |
| |
| bool RenderWidgetHostViewGuest::HasFocus() const { |
| if (!guest_) |
| return false; |
| return guest_->focused(); |
| } |
| |
| #if defined(USE_AURA) |
| void RenderWidgetHostViewGuest::ProcessAckedTouchEvent( |
| const TouchEventWithLatencyInfo& touch, InputEventAckState ack_result) { |
| // TODO(tdresser): Since all ProcessAckedTouchEvent() uses is the event id, |
| // don't pass the full event object here. https://crbug.com/550581. |
| GetOwnerRenderWidgetHostView()->ProcessAckedTouchEvent(touch, ack_result); |
| } |
| #endif |
| |
| void RenderWidgetHostViewGuest::ProcessMouseEvent( |
| const blink::WebMouseEvent& event, |
| const ui::LatencyInfo& latency) { |
| if (event.type() == blink::WebInputEvent::MouseDown) { |
| DCHECK(guest_->GetOwnerRenderWidgetHostView()); |
| RenderWidgetHost* embedder = |
| guest_->GetOwnerRenderWidgetHostView()->GetRenderWidgetHost(); |
| if (!embedder->GetView()->HasFocus()) |
| embedder->GetView()->Focus(); |
| |
| // With direct routing, the embedder would not know to focus the guest on |
| // click. Sends a synthetic event for the focusing side effect. |
| // TODO(wjmaclean): When we remove BrowserPlugin, delete this code. |
| // http://crbug.com/533069 |
| MaybeSendSyntheticTapGesture( |
| blink::WebFloatPoint(event.x, event.y), |
| blink::WebFloatPoint(event.globalX, event.globalY)); |
| } |
| host_->ForwardMouseEventWithLatencyInfo(event, latency); |
| } |
| |
| void RenderWidgetHostViewGuest::ProcessTouchEvent( |
| const blink::WebTouchEvent& event, |
| const ui::LatencyInfo& latency) { |
| if (event.type() == blink::WebInputEvent::TouchStart) { |
| DCHECK(guest_->GetOwnerRenderWidgetHostView()); |
| RenderWidgetHost* embedder = |
| guest_->GetOwnerRenderWidgetHostView()->GetRenderWidgetHost(); |
| if (!embedder->GetView()->HasFocus()) |
| embedder->GetView()->Focus(); |
| |
| // With direct routing, the embedder would not know to focus the guest on |
| // touch. Sends a synthetic event for the focusing side effect. |
| // TODO(wjmaclean): When we remove BrowserPlugin, delete this code. |
| // http://crbug.com/533069 |
| MaybeSendSyntheticTapGesture(event.touches[0].position, |
| event.touches[0].screenPosition); |
| } |
| |
| host_->ForwardTouchEventWithLatencyInfo(event, latency); |
| } |
| |
| gfx::Rect RenderWidgetHostViewGuest::GetViewBounds() const { |
| if (!guest_) |
| return gfx::Rect(); |
| |
| RenderWidgetHostViewBase* rwhv = GetOwnerRenderWidgetHostView(); |
| gfx::Rect embedder_bounds; |
| if (rwhv) |
| embedder_bounds = rwhv->GetViewBounds(); |
| return gfx::Rect( |
| guest_->GetScreenCoordinates(embedder_bounds.origin()), size_); |
| } |
| |
| gfx::Rect RenderWidgetHostViewGuest::GetBoundsInRootWindow() { |
| return GetViewBounds(); |
| } |
| |
| void RenderWidgetHostViewGuest::RenderProcessGone( |
| base::TerminationStatus status, |
| int error_code) { |
| // The |platform_view_| gets destroyed before we get here if this view |
| // is for an InterstitialPage. |
| if (platform_view_) |
| platform_view_->RenderProcessGone(status, error_code); |
| |
| RenderWidgetHostViewChildFrame::RenderProcessGone(status, error_code); |
| } |
| |
| void RenderWidgetHostViewGuest::Destroy() { |
| if (platform_view_) // The platform view might have been destroyed already. |
| platform_view_->Destroy(); |
| |
| // RenderWidgetHostViewChildFrame::Destroy destroys this object. |
| RenderWidgetHostViewChildFrame::Destroy(); |
| } |
| |
| gfx::Size RenderWidgetHostViewGuest::GetPhysicalBackingSize() const { |
| // We obtain the reference to native view from the owner RenderWidgetHostView. |
| // If the guest is embedded inside a cross-process frame, it is possible to |
| // reach here after the frame is detached in which case there will be no owner |
| // view. |
| if (!GetOwnerRenderWidgetHostView()) |
| return gfx::Size(); |
| return RenderWidgetHostViewBase::GetPhysicalBackingSize(); |
| } |
| |
| base::string16 RenderWidgetHostViewGuest::GetSelectedText() { |
| return platform_view_->GetSelectedText(); |
| } |
| |
| void RenderWidgetHostViewGuest::SetNeedsBeginFrames( |
| bool needs_begin_frames) { |
| if (platform_view_) |
| platform_view_->SetNeedsBeginFrames(needs_begin_frames); |
| } |
| |
| void RenderWidgetHostViewGuest::SetTooltipText( |
| const base::string16& tooltip_text) { |
| if (guest_) |
| guest_->SetTooltipText(tooltip_text); |
| } |
| |
| bool RenderWidgetHostViewGuest::ShouldCreateNewSurfaceId( |
| uint32_t compositor_frame_sink_id, |
| const cc::CompositorFrame& frame) { |
| return (guest_ && guest_->has_attached_since_surface_set()) || |
| RenderWidgetHostViewChildFrame::ShouldCreateNewSurfaceId( |
| compositor_frame_sink_id, frame); |
| } |
| |
| void RenderWidgetHostViewGuest::SendSurfaceInfoToEmbedderImpl( |
| const cc::SurfaceInfo& surface_info, |
| const cc::SurfaceSequence& sequence) { |
| if (guest_ && !guest_->is_in_destruction()) |
| guest_->SetChildFrameSurface(surface_info, sequence); |
| } |
| |
| void RenderWidgetHostViewGuest::OnSwapCompositorFrame( |
| uint32_t compositor_frame_sink_id, |
| cc::CompositorFrame frame) { |
| TRACE_EVENT0("content", "RenderWidgetHostViewGuest::OnSwapCompositorFrame"); |
| |
| last_scroll_offset_ = frame.metadata.root_scroll_offset; |
| ProcessCompositorFrame(compositor_frame_sink_id, std::move(frame)); |
| |
| // If after detaching we are sent a frame, we should finish processing it, and |
| // then we should clear the surface so that we are not holding resources we |
| // no longer need. |
| if (!guest_ || !guest_->attached()) |
| ClearCompositorSurfaceIfNecessary(); |
| } |
| |
| bool RenderWidgetHostViewGuest::OnMessageReceived(const IPC::Message& msg) { |
| if (!platform_view_) { |
| // In theory, we can get here if there's a delay between Destroy() |
| // being called and when our destructor is invoked. |
| return false; |
| } |
| |
| return platform_view_->OnMessageReceived(msg); |
| } |
| |
| void RenderWidgetHostViewGuest::InitAsChild( |
| gfx::NativeView parent_view) { |
| platform_view_->InitAsChild(parent_view); |
| } |
| |
| void RenderWidgetHostViewGuest::InitAsPopup( |
| RenderWidgetHostView* parent_host_view, const gfx::Rect& bounds) { |
| // This should never get called. |
| NOTREACHED(); |
| } |
| |
| void RenderWidgetHostViewGuest::InitAsFullscreen( |
| RenderWidgetHostView* reference_host_view) { |
| // This should never get called. |
| NOTREACHED(); |
| } |
| |
| gfx::NativeView RenderWidgetHostViewGuest::GetNativeView() const { |
| if (!guest_) |
| return gfx::NativeView(); |
| |
| RenderWidgetHostView* rwhv = guest_->GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return gfx::NativeView(); |
| return rwhv->GetNativeView(); |
| } |
| |
| gfx::NativeViewAccessible RenderWidgetHostViewGuest::GetNativeViewAccessible() { |
| if (!guest_) |
| return gfx::NativeViewAccessible(); |
| |
| RenderWidgetHostView* rwhv = guest_->GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return gfx::NativeViewAccessible(); |
| return rwhv->GetNativeViewAccessible(); |
| } |
| |
| void RenderWidgetHostViewGuest::UpdateCursor(const WebCursor& cursor) { |
| // InterstitialPages are not WebContents so we cannot intercept |
| // ViewHostMsg_SetCursor for interstitial pages in BrowserPluginGuest. |
| // All guest RenderViewHosts have RenderWidgetHostViewGuests however, |
| // and so we will always hit this code path. |
| if (!guest_) |
| return; |
| if (SiteIsolationPolicy::AreCrossProcessFramesPossible()) { |
| RenderWidgetHostViewBase* rwhvb = GetOwnerRenderWidgetHostView(); |
| if (rwhvb) |
| rwhvb->UpdateCursor(cursor); |
| } else { |
| guest_->SendMessageToEmbedder(base::MakeUnique<BrowserPluginMsg_SetCursor>( |
| guest_->browser_plugin_instance_id(), cursor)); |
| } |
| } |
| |
| void RenderWidgetHostViewGuest::SetIsLoading(bool is_loading) { |
| platform_view_->SetIsLoading(is_loading); |
| } |
| |
| void RenderWidgetHostViewGuest::TextInputStateChanged( |
| const TextInputState& params) { |
| if (!guest_) |
| return; |
| |
| RenderWidgetHostViewBase* rwhv = GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return; |
| // Forward the information to embedding RWHV. |
| rwhv->TextInputStateChanged(params); |
| } |
| |
| void RenderWidgetHostViewGuest::ImeCancelComposition() { |
| if (!guest_) |
| return; |
| |
| RenderWidgetHostViewBase* rwhv = GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return; |
| // Forward the information to embedding RWHV. |
| rwhv->ImeCancelComposition(); |
| } |
| |
| #if defined(OS_MACOSX) || defined(USE_AURA) |
| void RenderWidgetHostViewGuest::ImeCompositionRangeChanged( |
| const gfx::Range& range, |
| const std::vector<gfx::Rect>& character_bounds) { |
| if (!guest_) |
| return; |
| |
| RenderWidgetHostViewBase* rwhv = GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return; |
| std::vector<gfx::Rect> guest_character_bounds; |
| for (size_t i = 0; i < character_bounds.size(); ++i) { |
| guest_character_bounds.push_back(gfx::Rect( |
| guest_->GetScreenCoordinates(character_bounds[i].origin()), |
| character_bounds[i].size())); |
| } |
| // Forward the information to embedding RWHV. |
| rwhv->ImeCompositionRangeChanged(range, guest_character_bounds); |
| } |
| #endif |
| |
| void RenderWidgetHostViewGuest::SelectionChanged(const base::string16& text, |
| size_t offset, |
| const gfx::Range& range) { |
| platform_view_->SelectionChanged(text, offset, range); |
| } |
| |
| void RenderWidgetHostViewGuest::SelectionBoundsChanged( |
| const ViewHostMsg_SelectionBounds_Params& params) { |
| if (!guest_) |
| return; |
| |
| RenderWidgetHostViewBase* rwhv = GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return; |
| ViewHostMsg_SelectionBounds_Params guest_params(params); |
| guest_params.anchor_rect.set_origin( |
| guest_->GetScreenCoordinates(params.anchor_rect.origin())); |
| guest_params.focus_rect.set_origin( |
| guest_->GetScreenCoordinates(params.focus_rect.origin())); |
| rwhv->SelectionBoundsChanged(guest_params); |
| } |
| |
| bool RenderWidgetHostViewGuest::LockMouse() { |
| return platform_view_->LockMouse(); |
| } |
| |
| void RenderWidgetHostViewGuest::UnlockMouse() { |
| return platform_view_->UnlockMouse(); |
| } |
| |
| #if defined(OS_MACOSX) |
| void RenderWidgetHostViewGuest::SetActive(bool active) { |
| platform_view_->SetActive(active); |
| } |
| |
| void RenderWidgetHostViewGuest::ShowDefinitionForSelection() { |
| if (!guest_) |
| return; |
| |
| gfx::Point origin; |
| gfx::Rect guest_bounds = GetViewBounds(); |
| RenderWidgetHostView* rwhv = guest_->GetOwnerRenderWidgetHostView(); |
| gfx::Rect embedder_bounds; |
| if (rwhv) |
| embedder_bounds = rwhv->GetViewBounds(); |
| |
| gfx::Vector2d guest_offset = gfx::Vector2d( |
| // Horizontal offset of guest from embedder. |
| guest_bounds.x() - embedder_bounds.x(), |
| // Vertical offset from guest's top to embedder's bottom edge. |
| embedder_bounds.bottom() - guest_bounds.y()); |
| |
| RenderWidgetHostViewMacDictionaryHelper helper(platform_view_.get()); |
| helper.SetTargetView(rwhv); |
| helper.set_offset(guest_offset); |
| helper.ShowDefinitionForSelection(); |
| } |
| |
| bool RenderWidgetHostViewGuest::SupportsSpeech() const { |
| return platform_view_->SupportsSpeech(); |
| } |
| |
| void RenderWidgetHostViewGuest::SpeakSelection() { |
| platform_view_->SpeakSelection(); |
| } |
| |
| bool RenderWidgetHostViewGuest::IsSpeaking() const { |
| return platform_view_->IsSpeaking(); |
| } |
| |
| void RenderWidgetHostViewGuest::StopSpeaking() { |
| platform_view_->StopSpeaking(); |
| } |
| #endif // defined(OS_MACOSX) |
| |
| RenderWidgetHostViewBase* |
| RenderWidgetHostViewGuest::GetOwnerRenderWidgetHostView() const { |
| return guest_ ? static_cast<RenderWidgetHostViewBase*>( |
| guest_->GetOwnerRenderWidgetHostView()) |
| : nullptr; |
| } |
| |
| // TODO(wjmaclean): When we remove BrowserPlugin, delete this code. |
| // http://crbug.com/533069 |
| void RenderWidgetHostViewGuest::MaybeSendSyntheticTapGesture( |
| const blink::WebFloatPoint& position, |
| const blink::WebFloatPoint& screenPosition) const { |
| if (!HasFocus()) { |
| // We need to a account for the position of the guest view within the |
| // embedder, as well as the fact that the embedder's host will add its |
| // offset in screen coordinates before sending the event (with the latter |
| // component just serving to confuse the renderer, hence why it should be |
| // removed). |
| gfx::Vector2d offset = |
| GetViewBounds().origin() - |
| GetOwnerRenderWidgetHostView()->GetBoundsInRootWindow().origin(); |
| blink::WebGestureEvent gesture_tap_event( |
| blink::WebGestureEvent::GestureTapDown, |
| blink::WebInputEvent::NoModifiers, |
| ui::EventTimeStampToSeconds(ui::EventTimeForNow())); |
| gesture_tap_event.sourceDevice = blink::WebGestureDeviceTouchscreen; |
| gesture_tap_event.x = position.x + offset.x(); |
| gesture_tap_event.y = position.y + offset.y(); |
| gesture_tap_event.globalX = screenPosition.x; |
| gesture_tap_event.globalY = screenPosition.y; |
| GetOwnerRenderWidgetHostView()->ProcessGestureEvent( |
| gesture_tap_event, ui::LatencyInfo(ui::SourceEventType::TOUCH)); |
| |
| gesture_tap_event.setType(blink::WebGestureEvent::GestureTapCancel); |
| GetOwnerRenderWidgetHostView()->ProcessGestureEvent( |
| gesture_tap_event, ui::LatencyInfo(ui::SourceEventType::TOUCH)); |
| } |
| } |
| |
| void RenderWidgetHostViewGuest::WheelEventAck( |
| const blink::WebMouseWheelEvent& event, |
| InputEventAckState ack_result) { |
| if (ack_result == INPUT_EVENT_ACK_STATE_NOT_CONSUMED || |
| ack_result == INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS) { |
| guest_->ResendEventToEmbedder(event); |
| } |
| } |
| |
| void RenderWidgetHostViewGuest::GestureEventAck( |
| const blink::WebGestureEvent& event, |
| InputEventAckState ack_result) { |
| bool not_consumed = ack_result == INPUT_EVENT_ACK_STATE_NOT_CONSUMED || |
| ack_result == INPUT_EVENT_ACK_STATE_NO_CONSUMER_EXISTS; |
| // GestureScrollBegin/End are always consumed by the guest, so we only |
| // forward GestureScrollUpdate. |
| if (event.type() == blink::WebInputEvent::GestureScrollUpdate && not_consumed) |
| guest_->ResendEventToEmbedder(event); |
| } |
| |
| bool RenderWidgetHostViewGuest::IsRenderWidgetHostViewGuest() { |
| return true; |
| } |
| |
| void RenderWidgetHostViewGuest::OnHandleInputEvent( |
| RenderWidgetHostImpl* embedder, |
| int browser_plugin_instance_id, |
| const blink::WebInputEvent* event) { |
| // WebMouseWheelEvents go into a queue, and may not be forwarded to the |
| // renderer until after this method goes out of scope. Therefore we need to |
| // explicitly remove the additional device scale factor from the coordinates |
| // before allowing the event to be queued. |
| if (IsUseZoomForDSFEnabled() && |
| event->type() == blink::WebInputEvent::MouseWheel) { |
| blink::WebMouseWheelEvent rescaled_event = |
| *static_cast<const blink::WebMouseWheelEvent*>(event); |
| rescaled_event.x /= current_device_scale_factor(); |
| rescaled_event.y /= current_device_scale_factor(); |
| rescaled_event.deltaX /= current_device_scale_factor(); |
| rescaled_event.deltaY /= current_device_scale_factor(); |
| rescaled_event.wheelTicksX /= current_device_scale_factor(); |
| rescaled_event.wheelTicksY /= current_device_scale_factor(); |
| ui::LatencyInfo latency_info(ui::SourceEventType::WHEEL); |
| host_->ForwardWheelEventWithLatencyInfo(rescaled_event, latency_info); |
| return; |
| } |
| |
| ScopedInputScaleDisabler disable(host_, current_device_scale_factor()); |
| if (blink::WebInputEvent::isMouseEventType(event->type())) { |
| // The mouse events for BrowserPlugin are modified by all |
| // the CSS transforms applied on the <object> and embedder. As a result of |
| // this, the coordinates passed on to the guest renderer are potentially |
| // incorrect to determine the position of the context menu(they are not the |
| // actual X, Y of the window). As a hack, we report the last location of a |
| // right mouse up to the BrowserPluginGuest to inform it of the next |
| // potential location for context menu (BUG=470087). |
| // TODO(ekaramad): Find a better and more fundamental solution. Could the |
| // ContextMenuParams be based on global X, Y? |
| const blink::WebMouseEvent& mouse_event = |
| static_cast<const blink::WebMouseEvent&>(*event); |
| // A MouseDown on the ButtonRight could suggest a ContextMenu. |
| if (guest_ && mouse_event.type() == blink::WebInputEvent::MouseDown && |
| mouse_event.button == blink::WebPointerProperties::Button::Right) |
| guest_->SetContextMenuPosition( |
| gfx::Point(mouse_event.globalX - GetViewBounds().x(), |
| mouse_event.globalY - GetViewBounds().y())); |
| host_->ForwardMouseEvent(mouse_event); |
| return; |
| } |
| |
| if (event->type() == blink::WebInputEvent::MouseWheel) { |
| ui::LatencyInfo latency_info(ui::SourceEventType::WHEEL); |
| host_->ForwardWheelEventWithLatencyInfo( |
| *static_cast<const blink::WebMouseWheelEvent*>(event), latency_info); |
| return; |
| } |
| |
| if (blink::WebInputEvent::isKeyboardEventType(event->type())) { |
| if (!embedder->GetLastKeyboardEvent()) |
| return; |
| NativeWebKeyboardEvent keyboard_event(*embedder->GetLastKeyboardEvent()); |
| host_->ForwardKeyboardEvent(keyboard_event); |
| return; |
| } |
| |
| if (blink::WebInputEvent::isTouchEventType(event->type())) { |
| if (event->type() == blink::WebInputEvent::TouchStart && |
| !embedder->GetView()->HasFocus()) { |
| embedder->GetView()->Focus(); |
| } |
| ui::LatencyInfo latency_info(ui::SourceEventType::TOUCH); |
| host_->ForwardTouchEventWithLatencyInfo( |
| *static_cast<const blink::WebTouchEvent*>(event), latency_info); |
| return; |
| } |
| |
| if (blink::WebInputEvent::isGestureEventType(event->type())) { |
| const blink::WebGestureEvent& gesture_event = |
| *static_cast<const blink::WebGestureEvent*>(event); |
| |
| // We don't forward inertial GestureScrollUpdates to the guest anymore |
| // since it now receives GestureFlingStart and will have its own fling |
| // curve generating GestureScrollUpdate events for it. |
| // TODO(wjmaclean): Should we try to avoid creating a fling curve in the |
| // embedder renderer in this case? BrowserPlugin can return 'true' for |
| // handleInputEvent() on a GestureFlingStart, and we could use this as |
| // a signal to let the guest handle the fling, though we'd need to be |
| // sure other plugins would behave appropriately (i.e. return 'false'). |
| if (gesture_event.type() == blink::WebInputEvent::GestureScrollUpdate && |
| gesture_event.data.scrollUpdate.inertialPhase == |
| blink::WebGestureEvent::MomentumPhase) { |
| return; |
| } |
| host_->ForwardGestureEvent(gesture_event); |
| return; |
| } |
| } |
| |
| } // namespace content |