| // 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 "base/bind_helpers.h" |
| #include "base/command_line.h" |
| #include "base/logging.h" |
| #include "base/message_loop/message_loop.h" |
| #include "content/browser/browser_plugin/browser_plugin_guest.h" |
| #include "content/browser/frame_host/render_widget_host_view_guest.h" |
| #include "content/browser/renderer_host/render_view_host_impl.h" |
| #include "content/common/browser_plugin/browser_plugin_messages.h" |
| #include "content/common/frame_messages.h" |
| #include "content/common/gpu/gpu_messages.h" |
| #include "content/common/input/web_touch_event_traits.h" |
| #include "content/common/view_messages.h" |
| #include "content/common/webplugin_geometry.h" |
| #include "content/public/common/content_switches.h" |
| #include "skia/ext/platform_canvas.h" |
| #include "third_party/WebKit/public/platform/WebScreenInfo.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 { |
| |
| #if defined(USE_AURA) |
| blink::WebGestureEvent CreateFlingCancelEvent(double time_stamp) { |
| blink::WebGestureEvent gesture_event; |
| gesture_event.timeStampSeconds = time_stamp; |
| gesture_event.type = blink::WebGestureEvent::GestureFlingCancel; |
| gesture_event.sourceDevice = blink::WebGestureDeviceTouchscreen; |
| return gesture_event; |
| } |
| #endif // defined(USE_AURA) |
| |
| } // namespace |
| |
| 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) { |
| #if defined(USE_AURA) |
| gesture_recognizer_.reset(ui::GestureRecognizer::Create()); |
| gesture_recognizer_->AddGestureEventHelper(this); |
| #endif // defined(USE_AURA) |
| } |
| |
| RenderWidgetHostViewGuest::~RenderWidgetHostViewGuest() { |
| #if defined(USE_AURA) |
| gesture_recognizer_->RemoveGestureEventHelper(this); |
| #endif // defined(USE_AURA) |
| } |
| |
| 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()); |
| 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(fsamuel): Currently we will only take this codepath if the guest has |
| // requested touch events. A better solution is to always forward touchpresses |
| // to the embedder process to target a BrowserPlugin, and then route all |
| // subsequent touch points of that touchdown to the appropriate guest until |
| // that touch point is released. |
| ScopedVector<ui::TouchEvent> events; |
| if (!MakeUITouchEventsFromWebTouchEvents(touch, &events, LOCAL_COORDINATES)) |
| return; |
| |
| ui::EventResult result = (ack_result == |
| INPUT_EVENT_ACK_STATE_CONSUMED) ? ui::ER_HANDLED : ui::ER_UNHANDLED; |
| for (ScopedVector<ui::TouchEvent>::iterator iter = events.begin(), |
| end = events.end(); iter != end; ++iter) { |
| if (!gesture_recognizer_->ProcessTouchEventPreDispatch(*iter, this)) |
| continue; |
| |
| scoped_ptr<ui::GestureRecognizer::Gestures> gestures; |
| gestures.reset(gesture_recognizer_->AckSyncTouchEvent( |
| (*iter)->unique_event_id(), result, this)); |
| ProcessGestures(gestures.get()); |
| } |
| } |
| #endif |
| |
| 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_); |
| } |
| |
| void RenderWidgetHostViewGuest::RenderProcessGone( |
| base::TerminationStatus status, |
| int error_code) { |
| platform_view_->RenderProcessGone(status, error_code); |
| // Destroy the guest view instance only, so we don't end up calling |
| // platform_view_->Destroy(). |
| DestroyGuestView(); |
| } |
| |
| void RenderWidgetHostViewGuest::Destroy() { |
| // The RenderWidgetHost's destruction led here, so don't call it. |
| DestroyGuestView(); |
| |
| if (platform_view_) // The platform view might have been destroyed already. |
| platform_view_->Destroy(); |
| } |
| |
| gfx::Size RenderWidgetHostViewGuest::GetPhysicalBackingSize() const { |
| return RenderWidgetHostViewBase::GetPhysicalBackingSize(); |
| } |
| |
| base::string16 RenderWidgetHostViewGuest::GetSelectedText() const { |
| return platform_view_->GetSelectedText(); |
| } |
| |
| void RenderWidgetHostViewGuest::SetTooltipText( |
| const base::string16& tooltip_text) { |
| if (guest_) |
| guest_->SetTooltipText(tooltip_text); |
| } |
| |
| void RenderWidgetHostViewGuest::OnSwapCompositorFrame( |
| uint32 output_surface_id, |
| scoped_ptr<cc::CompositorFrame> frame) { |
| if (!guest_) |
| return; |
| |
| last_scroll_offset_ = frame->metadata.root_scroll_offset; |
| guest_->SwapCompositorFrame(output_surface_id, |
| host_->GetProcess()->GetID(), |
| host_->GetRoutingID(), |
| frame.Pass()); |
| } |
| |
| bool RenderWidgetHostViewGuest::OnMessageReceived(const IPC::Message& msg) { |
| 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::NativeViewId RenderWidgetHostViewGuest::GetNativeViewId() const { |
| if (!guest_) |
| return static_cast<gfx::NativeViewId>(NULL); |
| |
| RenderWidgetHostView* rwhv = guest_->GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return static_cast<gfx::NativeViewId>(NULL); |
| return rwhv->GetNativeViewId(); |
| } |
| |
| gfx::NativeViewAccessible RenderWidgetHostViewGuest::GetNativeViewAccessible() { |
| if (!guest_) |
| return gfx::NativeViewAccessible(); |
| |
| RenderWidgetHostView* rwhv = guest_->GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return gfx::NativeViewAccessible(); |
| return rwhv->GetNativeViewAccessible(); |
| } |
| |
| void RenderWidgetHostViewGuest::MovePluginWindows( |
| const std::vector<WebPluginGeometry>& moves) { |
| platform_view_->MovePluginWindows(moves); |
| } |
| |
| 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; |
| guest_->SendMessageToEmbedder( |
| new BrowserPluginMsg_SetCursor(guest_->browser_plugin_instance_id(), |
| cursor)); |
| |
| } |
| |
| void RenderWidgetHostViewGuest::SetIsLoading(bool is_loading) { |
| platform_view_->SetIsLoading(is_loading); |
| } |
| |
| void RenderWidgetHostViewGuest::TextInputTypeChanged( |
| ui::TextInputType type, |
| ui::TextInputMode input_mode, |
| bool can_compose_inline, |
| int flags) { |
| if (!guest_) |
| return; |
| |
| RenderWidgetHostViewBase* rwhv = GetOwnerRenderWidgetHostView(); |
| if (!rwhv) |
| return; |
| // Forward the information to embedding RWHV. |
| rwhv->TextInputTypeChanged(type, input_mode, can_compose_inline, flags); |
| } |
| |
| 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); |
| } |
| |
| void RenderWidgetHostViewGuest::SetBackgroundColor(SkColor color) { |
| // Content embedders can toggle opaque backgrounds through this API. |
| // We plumb the value here so that BrowserPlugin updates its compositing |
| // state in response to this change. We also want to preserve this flag |
| // after recovering from a crash so we let BrowserPluginGuest store it. |
| if (!guest_) |
| return; |
| RenderWidgetHostViewBase::SetBackgroundColor(color); |
| bool opaque = GetBackgroundOpaque(); |
| host_->SetBackgroundOpaque(opaque); |
| guest_->SetContentsOpaque(opaque); |
| } |
| |
| bool RenderWidgetHostViewGuest::LockMouse() { |
| return platform_view_->LockMouse(); |
| } |
| |
| void RenderWidgetHostViewGuest::UnlockMouse() { |
| return platform_view_->UnlockMouse(); |
| } |
| |
| void RenderWidgetHostViewGuest::GetScreenInfo(blink::WebScreenInfo* results) { |
| if (!guest_) |
| return; |
| RenderWidgetHostViewBase* embedder_view = GetOwnerRenderWidgetHostView(); |
| if (embedder_view) |
| embedder_view->GetScreenInfo(results); |
| } |
| |
| #if defined(OS_MACOSX) |
| void RenderWidgetHostViewGuest::SetActive(bool active) { |
| platform_view_->SetActive(active); |
| } |
| |
| void RenderWidgetHostViewGuest::SetWindowVisibility(bool visible) { |
| platform_view_->SetWindowVisibility(visible); |
| } |
| |
| void RenderWidgetHostViewGuest::WindowFrameChanged() { |
| platform_view_->WindowFrameChanged(); |
| } |
| |
| 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(); |
| } |
| |
| bool RenderWidgetHostViewGuest::PostProcessEventForPluginIme( |
| const NativeWebKeyboardEvent& event) { |
| return false; |
| } |
| |
| #endif // defined(OS_MACOSX) |
| |
| #if defined(OS_ANDROID) || defined(TOOLKIT_VIEWS) |
| void RenderWidgetHostViewGuest::ShowDisambiguationPopup( |
| const gfx::Rect& rect_pixels, |
| const SkBitmap& zoomed_bitmap) { |
| } |
| #endif // defined(OS_ANDROID) || defined(TOOLKIT_VIEWS) |
| |
| #if defined(OS_ANDROID) |
| void RenderWidgetHostViewGuest::LockCompositingSurface() { |
| } |
| |
| void RenderWidgetHostViewGuest::UnlockCompositingSurface() { |
| } |
| #endif // defined(OS_ANDROID) |
| |
| #if defined(OS_WIN) |
| void RenderWidgetHostViewGuest::SetParentNativeViewAccessible( |
| gfx::NativeViewAccessible accessible_parent) { |
| } |
| |
| gfx::NativeViewId RenderWidgetHostViewGuest::GetParentForWindowlessPlugin() |
| const { |
| return NULL; |
| } |
| #endif |
| |
| void RenderWidgetHostViewGuest::DestroyGuestView() { |
| host_->SetView(NULL); |
| host_ = NULL; |
| base::MessageLoop::current()->DeleteSoon(FROM_HERE, this); |
| } |
| |
| bool RenderWidgetHostViewGuest::CanDispatchToConsumer( |
| ui::GestureConsumer* consumer) { |
| CHECK_EQ(static_cast<RenderWidgetHostViewGuest*>(consumer), this); |
| return true; |
| } |
| |
| void RenderWidgetHostViewGuest::DispatchGestureEvent( |
| ui::GestureEvent* event) { |
| ForwardGestureEventToRenderer(event); |
| } |
| |
| void RenderWidgetHostViewGuest::DispatchCancelTouchEvent( |
| ui::TouchEvent* event) { |
| if (!host_) |
| return; |
| |
| blink::WebTouchEvent cancel_event; |
| // TODO(rbyers): This event has no touches in it. Don't we need to know what |
| // touches are currently active in order to cancel them all properly? |
| WebTouchEventTraits::ResetType(blink::WebInputEvent::TouchCancel, |
| event->time_stamp().InSecondsF(), |
| &cancel_event); |
| |
| host_->ForwardTouchEventWithLatencyInfo(cancel_event, *event->latency()); |
| } |
| |
| bool RenderWidgetHostViewGuest::ForwardGestureEventToRenderer( |
| ui::GestureEvent* gesture) { |
| #if defined(USE_AURA) |
| if (!host_) |
| return false; |
| |
| if ((gesture->type() == ui::ET_GESTURE_PINCH_BEGIN || |
| gesture->type() == ui::ET_GESTURE_PINCH_UPDATE || |
| gesture->type() == ui::ET_GESTURE_PINCH_END) && !pinch_zoom_enabled_) { |
| return true; |
| } |
| |
| blink::WebGestureEvent web_gesture = |
| MakeWebGestureEventFromUIEvent(*gesture); |
| const gfx::Point& client_point = gesture->location(); |
| const gfx::Point& screen_point = gesture->location(); |
| |
| web_gesture.x = client_point.x(); |
| web_gesture.y = client_point.y(); |
| web_gesture.globalX = screen_point.x(); |
| web_gesture.globalY = screen_point.y(); |
| |
| if (web_gesture.type == blink::WebGestureEvent::Undefined) |
| return false; |
| if (web_gesture.type == blink::WebGestureEvent::GestureTapDown) { |
| host_->ForwardGestureEvent( |
| CreateFlingCancelEvent(gesture->time_stamp().InSecondsF())); |
| } |
| host_->ForwardGestureEvent(web_gesture); |
| return true; |
| #else |
| return false; |
| #endif |
| } |
| |
| void RenderWidgetHostViewGuest::ProcessGestures( |
| ui::GestureRecognizer::Gestures* gestures) { |
| if ((gestures == NULL) || gestures->empty()) |
| return; |
| for (ui::GestureRecognizer::Gestures::iterator g_it = gestures->begin(); |
| g_it != gestures->end(); |
| ++g_it) { |
| ForwardGestureEventToRenderer(*g_it); |
| } |
| } |
| |
| SkColorType RenderWidgetHostViewGuest::PreferredReadbackFormat() { |
| return kN32_SkColorType; |
| } |
| |
| RenderWidgetHostViewBase* |
| RenderWidgetHostViewGuest::GetOwnerRenderWidgetHostView() const { |
| return static_cast<RenderWidgetHostViewBase*>( |
| guest_->GetOwnerRenderWidgetHostView()); |
| } |
| |
| void RenderWidgetHostViewGuest::OnHandleInputEvent( |
| RenderWidgetHostImpl* embedder, |
| int browser_plugin_instance_id, |
| const gfx::Rect& guest_window_rect, |
| const blink::WebInputEvent* event) { |
| if (blink::WebInputEvent::isMouseEventType(event->type)) { |
| host_->ForwardMouseEvent( |
| *static_cast<const blink::WebMouseEvent*>(event)); |
| return; |
| } |
| |
| if (event->type == blink::WebInputEvent::MouseWheel) { |
| host_->ForwardWheelEvent( |
| *static_cast<const blink::WebMouseWheelEvent*>(event)); |
| 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)) { |
| host_->ForwardTouchEventWithLatencyInfo( |
| *static_cast<const blink::WebTouchEvent*>(event), |
| ui::LatencyInfo()); |
| return; |
| } |
| |
| if (blink::WebInputEvent::isGestureEventType(event->type)) { |
| host_->ForwardGestureEvent( |
| *static_cast<const blink::WebGestureEvent*>(event)); |
| return; |
| } |
| } |
| |
| } // namespace content |