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cef/libcef/browser/osr/render_widget_host_view_osr.cc

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// Copyright (c) 2014 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2012 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 "libcef/browser/osr/render_widget_host_view_osr.h"
#include <stdint.h>
#include <utility>
#include "libcef/browser/alloy/alloy_browser_host_impl.h"
#include "libcef/browser/osr/osr_util.h"
#include "libcef/browser/osr/synthetic_gesture_target_osr.h"
#include "libcef/browser/osr/video_consumer_osr.h"
#include "libcef/browser/thread_util.h"
#include "base/callback_helpers.h"
#include "base/command_line.h"
#include "base/memory/ptr_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/task/post_task.h"
#include "cc/base/switches.h"
#include "components/viz/common/features.h"
#include "components/viz/common/frame_sinks/begin_frame_args.h"
#include "components/viz/common/frame_sinks/copy_output_request.h"
#include "components/viz/common/frame_sinks/delay_based_time_source.h"
#include "components/viz/common/surfaces/frame_sink_id_allocator.h"
#include "components/viz/common/switches.h"
#include "content/browser/bad_message.h"
#include "content/browser/gpu/gpu_data_manager_impl.h"
#include "content/browser/renderer_host/cursor_manager.h"
#include "content/browser/renderer_host/delegated_frame_host.h"
#include "content/browser/renderer_host/dip_util.h"
#include "content/browser/renderer_host/input/motion_event_web.h"
#include "content/browser/renderer_host/input/synthetic_gesture_target_base.h"
#include "content/browser/renderer_host/render_widget_host_delegate.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_input_event_router.h"
#include "content/common/content_switches_internal.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/context_factory.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/common/content_switches.h"
#include "media/base/video_frame.h"
#include "ui/compositor/compositor.h"
#include "ui/events/blink/blink_event_util.h"
#include "ui/events/gesture_detection/gesture_provider_config_helper.h"
#include "ui/events/gesture_detection/motion_event.h"
#include "ui/gfx/geometry/dip_util.h"
#include "ui/gfx/geometry/size_conversions.h"
namespace {
// The maximum number of damage rects to cache for outstanding frame requests
// (for OnAcceleratedPaint).
const size_t kMaxDamageRects = 10;
const float kDefaultScaleFactor = 1.0;
blink::ScreenInfo ScreenInfoFrom(const CefScreenInfo& src) {
blink::ScreenInfo screenInfo;
screenInfo.device_scale_factor = src.device_scale_factor;
screenInfo.depth = src.depth;
screenInfo.depth_per_component = src.depth_per_component;
screenInfo.is_monochrome = src.is_monochrome ? true : false;
screenInfo.rect =
gfx::Rect(src.rect.x, src.rect.y, src.rect.width, src.rect.height);
screenInfo.available_rect =
gfx::Rect(src.available_rect.x, src.available_rect.y,
src.available_rect.width, src.available_rect.height);
return screenInfo;
}
class CefDelegatedFrameHostClient : public content::DelegatedFrameHostClient {
public:
explicit CefDelegatedFrameHostClient(CefRenderWidgetHostViewOSR* view)
: view_(view) {}
ui::Layer* DelegatedFrameHostGetLayer() const override {
return view_->GetRootLayer();
}
bool DelegatedFrameHostIsVisible() const override {
// Called indirectly from DelegatedFrameHost::WasShown.
return view_->IsShowing();
}
SkColor DelegatedFrameHostGetGutterColor() const override {
// When making an element on the page fullscreen the element's background
// may not match the page's, so use black as the gutter color to avoid
// flashes of brighter colors during the transition.
if (view_->render_widget_host()->delegate() &&
view_->render_widget_host()->delegate()->IsFullscreen()) {
return SK_ColorBLACK;
}
return *view_->GetBackgroundColor();
}
void OnFrameTokenChanged(uint32_t frame_token,
base::TimeTicks activation_time) override {
view_->render_widget_host()->DidProcessFrame(frame_token, activation_time);
}
float GetDeviceScaleFactor() const override {
return view_->GetDeviceScaleFactor();
}
std::vector<viz::SurfaceId> CollectSurfaceIdsForEviction() override {
return view_->render_widget_host()->CollectSurfaceIdsForEviction();
}
void InvalidateLocalSurfaceIdOnEviction() override {}
bool ShouldShowStaleContentOnEviction() override { return false; }
private:
CefRenderWidgetHostViewOSR* const view_;
DISALLOW_COPY_AND_ASSIGN(CefDelegatedFrameHostClient);
};
ui::GestureProvider::Config CreateGestureProviderConfig() {
ui::GestureProvider::Config config = ui::GetGestureProviderConfig(
ui::GestureProviderConfigType::CURRENT_PLATFORM);
return config;
}
ui::LatencyInfo CreateLatencyInfo(const blink::WebInputEvent& event) {
ui::LatencyInfo latency_info;
// The latency number should only be added if the timestamp is valid.
base::TimeTicks time = event.TimeStamp();
if (!time.is_null()) {
latency_info.AddLatencyNumberWithTimestamp(
ui::INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT, time);
}
return latency_info;
}
gfx::Rect GetViewBounds(AlloyBrowserHostImpl* browser) {
if (!browser)
return gfx::Rect();
CefRect rc;
CefRefPtr<CefRenderHandler> handler =
browser->GetClient()->GetRenderHandler();
CHECK(handler);
handler->GetViewRect(browser, rc);
CHECK_GT(rc.width, 0);
CHECK_GT(rc.height, 0);
return gfx::Rect(rc.x, rc.y, rc.width, rc.height);
}
float GetDeviceScaleFactor(AlloyBrowserHostImpl* browser) {
if (!browser)
return kDefaultScaleFactor;
CefScreenInfo screen_info(kDefaultScaleFactor, 0, 0, false, CefRect(),
CefRect());
CefRefPtr<CefRenderHandler> handler = browser->client()->GetRenderHandler();
CHECK(handler);
if (!handler->GetScreenInfo(browser, screen_info))
return kDefaultScaleFactor;
return screen_info.device_scale_factor;
}
ui::ImeTextSpan::UnderlineStyle GetImeUnderlineStyle(
cef_composition_underline_style_t style) {
switch (style) {
case CEF_CUS_SOLID:
return ui::ImeTextSpan::UnderlineStyle::kSolid;
case CEF_CUS_DOT:
return ui::ImeTextSpan::UnderlineStyle::kDot;
case CEF_CUS_DASH:
return ui::ImeTextSpan::UnderlineStyle::kDash;
case CEF_CUS_NONE:
return ui::ImeTextSpan::UnderlineStyle::kNone;
}
NOTREACHED();
return ui::ImeTextSpan::UnderlineStyle::kSolid;
}
} // namespace
CefRenderWidgetHostViewOSR::CefRenderWidgetHostViewOSR(
SkColor background_color,
bool use_shared_texture,
bool use_external_begin_frame,
content::RenderWidgetHost* widget,
CefRenderWidgetHostViewOSR* parent_host_view)
: content::RenderWidgetHostViewBase(widget),
background_color_(background_color),
render_widget_host_(content::RenderWidgetHostImpl::From(widget)),
has_parent_(parent_host_view != nullptr),
parent_host_view_(parent_host_view),
pinch_zoom_enabled_(content::IsPinchToZoomEnabled()),
mouse_wheel_phase_handler_(this),
gesture_provider_(CreateGestureProviderConfig(), this),
weak_ptr_factory_(this) {
DCHECK(render_widget_host_);
DCHECK(!render_widget_host_->GetView());
SetCurrentDeviceScaleFactor(kDefaultScaleFactor);
if (parent_host_view_) {
browser_impl_ = parent_host_view_->browser_impl();
DCHECK(browser_impl_);
} else if (content::RenderViewHost::From(render_widget_host_)) {
// AlloyBrowserHostImpl might not be created at this time for popups.
browser_impl_ = AlloyBrowserHostImpl::GetBrowserForHost(
content::RenderViewHost::From(render_widget_host_));
}
delegated_frame_host_client_.reset(new CefDelegatedFrameHostClient(this));
// Matching the attributes from BrowserCompositorMac.
delegated_frame_host_ = std::make_unique<content::DelegatedFrameHost>(
AllocateFrameSinkId(), delegated_frame_host_client_.get(),
false /* should_register_frame_sink_id */);
root_layer_.reset(new ui::Layer(ui::LAYER_SOLID_COLOR));
bool opaque = SkColorGetA(background_color_) == SK_AlphaOPAQUE;
GetRootLayer()->SetFillsBoundsOpaquely(opaque);
GetRootLayer()->SetColor(background_color_);
external_begin_frame_enabled_ = use_external_begin_frame;
auto context_factory = content::GetContextFactory();
// Matching the attributes from RecyclableCompositorMac.
compositor_.reset(new ui::Compositor(
context_factory->AllocateFrameSinkId(), context_factory,
base::ThreadTaskRunnerHandle::Get(), false /* enable_pixel_canvas */,
use_external_begin_frame));
compositor_->SetAcceleratedWidget(gfx::kNullAcceleratedWidget);
compositor_->SetDelegate(this);
compositor_->SetRootLayer(root_layer_.get());
compositor_->AddChildFrameSink(GetFrameSinkId());
content::RenderWidgetHostImpl* render_widget_host_impl =
content::RenderWidgetHostImpl::From(render_widget_host_);
if (render_widget_host_impl)
render_widget_host_impl->SetCompositorForFlingScheduler(compositor_.get());
cursor_manager_.reset(new content::CursorManager(this));
// This may result in a call to GetFrameSinkId().
render_widget_host_->SetView(this);
if (GetTextInputManager())
GetTextInputManager()->AddObserver(this);
if (render_widget_host_->delegate() &&
render_widget_host_->delegate()->GetInputEventRouter()) {
render_widget_host_->delegate()->GetInputEventRouter()->AddFrameSinkIdOwner(
GetFrameSinkId(), this);
}
if (browser_impl_ && !parent_host_view_) {
// For child/popup views this will be called from the associated InitAs*()
// method.
SetRootLayerSize(false /* force */);
if (!render_widget_host_->is_hidden())
Show();
}
}
CefRenderWidgetHostViewOSR::~CefRenderWidgetHostViewOSR() {
ReleaseCompositor();
root_layer_.reset(nullptr);
DCHECK(!parent_host_view_);
DCHECK(!popup_host_view_);
DCHECK(!child_host_view_);
DCHECK(guest_host_views_.empty());
if (text_input_manager_)
text_input_manager_->RemoveObserver(this);
}
void CefRenderWidgetHostViewOSR::ReleaseCompositor() {
if (!compositor_) {
return; // already released
}
// Marking the DelegatedFrameHost as removed from the window hierarchy is
// necessary to remove all connections to its old ui::Compositor.
if (is_showing_) {
delegated_frame_host_->WasHidden(
content::DelegatedFrameHost::HiddenCause::kOther);
}
delegated_frame_host_->DetachFromCompositor();
delegated_frame_host_.reset(nullptr);
compositor_.reset(nullptr);
}
// Called for full-screen widgets.
void CefRenderWidgetHostViewOSR::InitAsChild(gfx::NativeView parent_view) {
DCHECK(parent_host_view_);
DCHECK(browser_impl_);
if (parent_host_view_->child_host_view_) {
// Cancel the previous popup widget.
parent_host_view_->child_host_view_->CancelWidget();
}
parent_host_view_->set_child_host_view(this);
// The parent view should not render while the full-screen view exists.
parent_host_view_->Hide();
SetRootLayerSize(false /* force */);
Show();
}
void CefRenderWidgetHostViewOSR::SetSize(const gfx::Size& size) {}
void CefRenderWidgetHostViewOSR::SetBounds(const gfx::Rect& rect) {}
gfx::NativeView CefRenderWidgetHostViewOSR::GetNativeView() {
return gfx::NativeView();
}
gfx::NativeViewAccessible
CefRenderWidgetHostViewOSR::GetNativeViewAccessible() {
return gfx::NativeViewAccessible();
}
void CefRenderWidgetHostViewOSR::Focus() {}
bool CefRenderWidgetHostViewOSR::HasFocus() {
return false;
}
bool CefRenderWidgetHostViewOSR::IsSurfaceAvailableForCopy() {
return delegated_frame_host_
? delegated_frame_host_->CanCopyFromCompositingSurface()
: false;
}
void CefRenderWidgetHostViewOSR::Show() {
if (is_showing_)
return;
if (!content::GpuDataManagerImpl::GetInstance()->IsGpuCompositingDisabled() &&
!browser_impl_ &&
(!parent_host_view_ || !parent_host_view_->browser_impl_)) {
return;
}
is_showing_ = true;
// If the viz::LocalSurfaceId is invalid, we may have been evicted,
// and no other visual properties have since been changed. Allocate a new id
// and start synchronizing.
if (!GetLocalSurfaceId().is_valid()) {
AllocateLocalSurfaceId();
SynchronizeVisualProperties(cc::DeadlinePolicy::UseDefaultDeadline(),
GetLocalSurfaceId());
}
if (render_widget_host_) {
render_widget_host_->WasShown(
/*record_tab_switch_time_request=*/{});
// Call OnRenderFrameMetadataChangedAfterActivation for every frame.
auto provider = content::RenderWidgetHostImpl::From(render_widget_host_)
->render_frame_metadata_provider();
provider->AddObserver(this);
provider->ReportAllFrameSubmissionsForTesting(true);
}
if (delegated_frame_host_) {
delegated_frame_host_->AttachToCompositor(compositor_.get());
delegated_frame_host_->WasShown(GetLocalSurfaceId(), GetViewBounds().size(),
/*record_tab_switch_time_request=*/{});
}
if (!content::GpuDataManagerImpl::GetInstance()->IsGpuCompositingDisabled()) {
// Start generating frames when we're visible and at the correct size.
if (!video_consumer_) {
video_consumer_.reset(new CefVideoConsumerOSR(this));
UpdateFrameRate();
} else {
video_consumer_->SetActive(true);
}
}
}
void CefRenderWidgetHostViewOSR::Hide() {
if (!is_showing_)
return;
is_showing_ = false;
if (browser_impl_.get())
browser_impl_->CancelContextMenu();
if (video_consumer_) {
video_consumer_->SetActive(false);
}
if (render_widget_host_) {
render_widget_host_->WasHidden();
auto provider = content::RenderWidgetHostImpl::From(render_widget_host_)
->render_frame_metadata_provider();
provider->RemoveObserver(this);
}
if (delegated_frame_host_) {
delegated_frame_host_->WasHidden(
content::DelegatedFrameHost::HiddenCause::kOther);
delegated_frame_host_->DetachFromCompositor();
}
}
bool CefRenderWidgetHostViewOSR::IsShowing() {
return is_showing_;
}
void CefRenderWidgetHostViewOSR::EnsureSurfaceSynchronizedForWebTest() {
++latest_capture_sequence_number_;
SynchronizeVisualProperties(cc::DeadlinePolicy::UseInfiniteDeadline(),
absl::nullopt);
}
gfx::Rect CefRenderWidgetHostViewOSR::GetViewBounds() {
if (IsPopupWidget())
return popup_position_;
return current_view_bounds_;
}
void CefRenderWidgetHostViewOSR::SetBackgroundColor(SkColor color) {
// The renderer will feed its color back to us with the first CompositorFrame.
// We short-cut here to show a sensible color before that happens.
UpdateBackgroundColorFromRenderer(color);
DCHECK(SkColorGetA(color) == SK_AlphaOPAQUE ||
SkColorGetA(color) == SK_AlphaTRANSPARENT);
content::RenderWidgetHostViewBase::SetBackgroundColor(color);
}
absl::optional<SkColor> CefRenderWidgetHostViewOSR::GetBackgroundColor() {
return background_color_;
}
void CefRenderWidgetHostViewOSR::UpdateBackgroundColor() {}
absl::optional<content::DisplayFeature>
CefRenderWidgetHostViewOSR::GetDisplayFeature() {
return absl::nullopt;
}
void CefRenderWidgetHostViewOSR::SetDisplayFeatureForTesting(
const content::DisplayFeature* display_feature) {
NOTREACHED();
}
blink::mojom::PointerLockResult CefRenderWidgetHostViewOSR::LockMouse(
bool request_unadjusted_movement) {
return blink::mojom::PointerLockResult::kPermissionDenied;
}
blink::mojom::PointerLockResult CefRenderWidgetHostViewOSR::ChangeMouseLock(
bool request_unadjusted_movement) {
return blink::mojom::PointerLockResult::kPermissionDenied;
}
void CefRenderWidgetHostViewOSR::UnlockMouse() {}
void CefRenderWidgetHostViewOSR::TakeFallbackContentFrom(
content::RenderWidgetHostView* view) {
DCHECK(!static_cast<RenderWidgetHostViewBase*>(view)
->IsRenderWidgetHostViewChildFrame());
CefRenderWidgetHostViewOSR* view_cef =
static_cast<CefRenderWidgetHostViewOSR*>(view);
SetBackgroundColor(view_cef->background_color_);
if (delegated_frame_host_ && view_cef->delegated_frame_host_) {
delegated_frame_host_->TakeFallbackContentFrom(
view_cef->delegated_frame_host_.get());
}
host()->GetContentRenderingTimeoutFrom(view_cef->host());
}
void CefRenderWidgetHostViewOSR::OnPresentCompositorFrame() {}
void CefRenderWidgetHostViewOSR::OnDidUpdateVisualPropertiesComplete(
const cc::RenderFrameMetadata& metadata) {
if (host()->is_hidden()) {
// When an embedded child responds, we want to accept its changes to the
// viz::LocalSurfaceId. However we do not want to embed surfaces while
// hidden. Nor do we want to embed invalid ids when we are evicted. Becoming
// visible will generate a new id, if necessary, and begin embedding.
UpdateLocalSurfaceIdFromEmbeddedClient(metadata.local_surface_id);
} else {
SynchronizeVisualProperties(cc::DeadlinePolicy::UseDefaultDeadline(),
metadata.local_surface_id);
}
}
void CefRenderWidgetHostViewOSR::AllocateLocalSurfaceId() {
if (!parent_local_surface_id_allocator_) {
parent_local_surface_id_allocator_ =
std::make_unique<viz::ParentLocalSurfaceIdAllocator>();
}
parent_local_surface_id_allocator_->GenerateId();
}
const viz::LocalSurfaceId&
CefRenderWidgetHostViewOSR::GetCurrentLocalSurfaceId() const {
return parent_local_surface_id_allocator_->GetCurrentLocalSurfaceId();
}
void CefRenderWidgetHostViewOSR::UpdateLocalSurfaceIdFromEmbeddedClient(
const absl::optional<viz::LocalSurfaceId>&
embedded_client_local_surface_id) {
if (embedded_client_local_surface_id) {
parent_local_surface_id_allocator_->UpdateFromChild(
*embedded_client_local_surface_id);
} else {
AllocateLocalSurfaceId();
}
}
const viz::LocalSurfaceId&
CefRenderWidgetHostViewOSR::GetOrCreateLocalSurfaceId() {
if (!parent_local_surface_id_allocator_)
AllocateLocalSurfaceId();
return GetCurrentLocalSurfaceId();
}
void CefRenderWidgetHostViewOSR::InvalidateLocalSurfaceId() {
if (!parent_local_surface_id_allocator_)
return;
parent_local_surface_id_allocator_->Invalidate();
}
void CefRenderWidgetHostViewOSR::AddDamageRect(uint32_t sequence,
const gfx::Rect& rect) {
// Associate the given damage rect with the presentation token.
// For OnAcceleratedPaint we'll lookup the corresponding damage area based on
// the frame token which is passed back to OnPresentCompositorFrame.
base::AutoLock lock_scope(damage_rect_lock_);
// We assume our presentation_token is a counter. Since we're using an ordered
// map we can enforce a max size and remove oldest from the front. Worst case,
// if a damage rect isn't associated, we can simply pass the entire view size.
while (damage_rects_.size() >= kMaxDamageRects) {
damage_rects_.erase(damage_rects_.begin());
}
damage_rects_[sequence] = rect;
}
void CefRenderWidgetHostViewOSR::ResetFallbackToFirstNavigationSurface() {
if (delegated_frame_host_) {
delegated_frame_host_->ResetFallbackToFirstNavigationSurface();
}
}
void CefRenderWidgetHostViewOSR::InitAsPopup(
content::RenderWidgetHostView* parent_host_view,
const gfx::Rect& pos) {
DCHECK_EQ(parent_host_view_, parent_host_view);
DCHECK(browser_impl_);
if (parent_host_view_->popup_host_view_) {
// Cancel the previous popup widget.
parent_host_view_->popup_host_view_->CancelWidget();
}
parent_host_view_->set_popup_host_view(this);
CefRefPtr<CefRenderHandler> handler =
browser_impl_->GetClient()->GetRenderHandler();
CHECK(handler);
handler->OnPopupShow(browser_impl_.get(), true);
CefRect view_rect;
handler->GetViewRect(browser_impl_.get(), view_rect);
gfx::Rect client_pos(pos.x() - view_rect.x, pos.y() - view_rect.y,
pos.width(), pos.height());
popup_position_ = client_pos;
CefRect widget_pos(client_pos.x(), client_pos.y(), client_pos.width(),
client_pos.height());
if (handler.get())
handler->OnPopupSize(browser_impl_.get(), widget_pos);
// The size doesn't change for popups so we need to force the
// initialization.
SetRootLayerSize(true /* force */);
Show();
}
void CefRenderWidgetHostViewOSR::UpdateCursor(
const content::WebCursor& cursor) {}
content::CursorManager* CefRenderWidgetHostViewOSR::GetCursorManager() {
return cursor_manager_.get();
}
void CefRenderWidgetHostViewOSR::SetIsLoading(bool is_loading) {
if (!is_loading)
return;
// Make sure gesture detection is fresh.
gesture_provider_.ResetDetection();
forward_touch_to_popup_ = false;
}
void CefRenderWidgetHostViewOSR::RenderProcessGone() {
Destroy();
}
void CefRenderWidgetHostViewOSR::Destroy() {
if (!is_destroyed_) {
is_destroyed_ = true;
if (has_parent_) {
CancelWidget();
} else {
if (popup_host_view_)
popup_host_view_->CancelWidget();
if (child_host_view_)
child_host_view_->CancelWidget();
if (!guest_host_views_.empty()) {
// Guest RWHVs will be destroyed when the associated RWHVGuest is
// destroyed. This parent RWHV may be destroyed first, so disassociate
// the guest RWHVs here without destroying them.
for (auto guest_host_view : guest_host_views_)
guest_host_view->parent_host_view_ = nullptr;
guest_host_views_.clear();
}
Hide();
}
}
delete this;
}
void CefRenderWidgetHostViewOSR::UpdateTooltipUnderCursor(
const std::u16string& tooltip_text) {
if (!browser_impl_.get())
return;
CefString tooltip(tooltip_text);
CefRefPtr<CefDisplayHandler> handler =
browser_impl_->GetClient()->GetDisplayHandler();
if (handler.get()) {
handler->OnTooltip(browser_impl_.get(), tooltip);
}
}
gfx::Size CefRenderWidgetHostViewOSR::GetCompositorViewportPixelSize() {
return gfx::ScaleToCeiledSize(GetRequestedRendererSize(),
GetCurrentDeviceScaleFactor());
}
uint32_t CefRenderWidgetHostViewOSR::GetCaptureSequenceNumber() const {
return latest_capture_sequence_number_;
}
void CefRenderWidgetHostViewOSR::CopyFromSurface(
const gfx::Rect& src_rect,
const gfx::Size& output_size,
base::OnceCallback<void(const SkBitmap&)> callback) {
if (delegated_frame_host_) {
delegated_frame_host_->CopyFromCompositingSurface(src_rect, output_size,
std::move(callback));
}
}
void CefRenderWidgetHostViewOSR::GetScreenInfo(blink::ScreenInfo* results) {
if (!browser_impl_.get())
return;
CefScreenInfo screen_info(kDefaultScaleFactor, 0, 0, false, CefRect(),
CefRect());
CefRefPtr<CefRenderHandler> handler =
browser_impl_->client()->GetRenderHandler();
CHECK(handler);
if (!handler->GetScreenInfo(browser_impl_.get(), screen_info) ||
screen_info.rect.width == 0 || screen_info.rect.height == 0 ||
screen_info.available_rect.width == 0 ||
screen_info.available_rect.height == 0) {
// If a screen rectangle was not provided, try using the view rectangle
// instead. Otherwise, popup views may be drawn incorrectly, or not at
// all.
CefRect screenRect;
handler->GetViewRect(browser_impl_.get(), screenRect);
CHECK_GT(screenRect.width, 0);
CHECK_GT(screenRect.height, 0);
if (screen_info.rect.width == 0 || screen_info.rect.height == 0) {
screen_info.rect = screenRect;
}
if (screen_info.available_rect.width == 0 ||
screen_info.available_rect.height == 0) {
screen_info.available_rect = screenRect;
}
}
*results = ScreenInfoFrom(screen_info);
}
void CefRenderWidgetHostViewOSR::TransformPointToRootSurface(
gfx::PointF* point) {}
gfx::Rect CefRenderWidgetHostViewOSR::GetBoundsInRootWindow() {
if (!browser_impl_.get())
return gfx::Rect();
CefRect rc;
CefRefPtr<CefRenderHandler> handler =
browser_impl_->client()->GetRenderHandler();
CHECK(handler);
if (handler->GetRootScreenRect(browser_impl_.get(), rc))
return gfx::Rect(rc.x, rc.y, rc.width, rc.height);
return GetViewBounds();
}
#if !defined(OS_MAC)
viz::ScopedSurfaceIdAllocator
CefRenderWidgetHostViewOSR::DidUpdateVisualProperties(
const cc::RenderFrameMetadata& metadata) {
base::OnceCallback<void()> allocation_task = base::BindOnce(
&CefRenderWidgetHostViewOSR::OnDidUpdateVisualPropertiesComplete,
weak_ptr_factory_.GetWeakPtr(), metadata);
return viz::ScopedSurfaceIdAllocator(std::move(allocation_task));
}
#endif
viz::SurfaceId CefRenderWidgetHostViewOSR::GetCurrentSurfaceId() const {
return delegated_frame_host_ ? delegated_frame_host_->GetCurrentSurfaceId()
: viz::SurfaceId();
}
void CefRenderWidgetHostViewOSR::ImeSetComposition(
const CefString& text,
const std::vector<CefCompositionUnderline>& underlines,
const CefRange& replacement_range,
const CefRange& selection_range) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::ImeSetComposition");
if (!render_widget_host_)
return;
std::vector<ui::ImeTextSpan> web_underlines;
web_underlines.reserve(underlines.size());
for (const CefCompositionUnderline& line : underlines) {
web_underlines.push_back(ui::ImeTextSpan(
ui::ImeTextSpan::Type::kComposition, line.range.from, line.range.to,
line.thick ? ui::ImeTextSpan::Thickness::kThick
: ui::ImeTextSpan::Thickness::kThin,
GetImeUnderlineStyle(line.style), line.background_color, line.color,
std::vector<std::string>()));
}
gfx::Range range(replacement_range.from, replacement_range.to);
// Start Monitoring for composition updates before we set.
RequestImeCompositionUpdate(true);
render_widget_host_->ImeSetComposition(
text, web_underlines, range, selection_range.from, selection_range.to);
}
void CefRenderWidgetHostViewOSR::ImeCommitText(
const CefString& text,
const CefRange& replacement_range,
int relative_cursor_pos) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::ImeCommitText");
if (!render_widget_host_)
return;
gfx::Range range(replacement_range.from, replacement_range.to);
render_widget_host_->ImeCommitText(text, std::vector<ui::ImeTextSpan>(),
range, relative_cursor_pos);
// Stop Monitoring for composition updates after we are done.
RequestImeCompositionUpdate(false);
}
void CefRenderWidgetHostViewOSR::ImeFinishComposingText(bool keep_selection) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::ImeFinishComposingText");
if (!render_widget_host_)
return;
render_widget_host_->ImeFinishComposingText(keep_selection);
// Stop Monitoring for composition updates after we are done.
RequestImeCompositionUpdate(false);
}
void CefRenderWidgetHostViewOSR::ImeCancelComposition() {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::ImeCancelComposition");
if (!render_widget_host_)
return;
render_widget_host_->ImeCancelComposition();
// Stop Monitoring for composition updates after we are done.
RequestImeCompositionUpdate(false);
}
void CefRenderWidgetHostViewOSR::SelectionChanged(const std::u16string& text,
size_t offset,
const gfx::Range& range) {
RenderWidgetHostViewBase::SelectionChanged(text, offset, range);
if (!browser_impl_.get())
return;
CefString selected_text;
if (!range.is_empty() && !text.empty()) {
size_t pos = range.GetMin() - offset;
size_t n = range.length();
if (pos + n <= text.length())
selected_text = text.substr(pos, n);
}
CefRefPtr<CefRenderHandler> handler =
browser_impl_->GetClient()->GetRenderHandler();
CHECK(handler);
CefRange cef_range(range.start(), range.end());
handler->OnTextSelectionChanged(browser_impl_.get(), selected_text,
cef_range);
}
const viz::LocalSurfaceId& CefRenderWidgetHostViewOSR::GetLocalSurfaceId()
const {
return const_cast<CefRenderWidgetHostViewOSR*>(this)
->GetOrCreateLocalSurfaceId();
}
const viz::FrameSinkId& CefRenderWidgetHostViewOSR::GetFrameSinkId() const {
return delegated_frame_host_
? delegated_frame_host_->frame_sink_id()
: viz::FrameSinkIdAllocator::InvalidFrameSinkId();
}
viz::FrameSinkId CefRenderWidgetHostViewOSR::GetRootFrameSinkId() {
return compositor_ ? compositor_->frame_sink_id() : viz::FrameSinkId();
}
std::unique_ptr<content::SyntheticGestureTarget>
CefRenderWidgetHostViewOSR::CreateSyntheticGestureTarget() {
return std::make_unique<CefSyntheticGestureTargetOSR>(host());
}
bool CefRenderWidgetHostViewOSR::TransformPointToCoordSpaceForView(
const gfx::PointF& point,
RenderWidgetHostViewBase* target_view,
gfx::PointF* transformed_point) {
if (target_view == this) {
*transformed_point = point;
return true;
}
return target_view->TransformPointToLocalCoordSpace(
point, GetCurrentSurfaceId(), transformed_point);
}
void CefRenderWidgetHostViewOSR::DidNavigate() {
if (!IsShowing()) {
// Navigating while hidden should not allocate a new LocalSurfaceID. Once
// sizes are ready, or we begin to Show, we can then allocate the new
// LocalSurfaceId.
InvalidateLocalSurfaceId();
} else {
if (is_first_navigation_) {
// The first navigation does not need a new LocalSurfaceID. The renderer
// can use the ID that was already provided.
SynchronizeVisualProperties(cc::DeadlinePolicy::UseExistingDeadline(),
GetLocalSurfaceId());
} else {
SynchronizeVisualProperties(cc::DeadlinePolicy::UseExistingDeadline(),
absl::nullopt);
}
}
if (delegated_frame_host_)
delegated_frame_host_->DidNavigate();
is_first_navigation_ = false;
}
void CefRenderWidgetHostViewOSR::OnFrameComplete(
const viz::BeginFrameAck& ack) {
// TODO(cef): is there something we need to track with this notification?
}
void CefRenderWidgetHostViewOSR::OnRenderFrameMetadataChangedAfterActivation(
base::TimeTicks activation_time) {
auto metadata =
host_->render_frame_metadata_provider()->LastRenderFrameMetadata();
if (video_consumer_) {
// Need to wait for the first frame of the new size before calling
// SizeChanged. Otherwise, the video frame will be letterboxed.
video_consumer_->SizeChanged(metadata.viewport_size_in_pixels);
}
gfx::Vector2dF root_scroll_offset;
if (metadata.root_scroll_offset) {
root_scroll_offset = *metadata.root_scroll_offset;
}
if (root_scroll_offset != last_scroll_offset_) {
last_scroll_offset_ = root_scroll_offset;
if (!is_scroll_offset_changed_pending_) {
is_scroll_offset_changed_pending_ = true;
// Send the notification asynchronously.
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefRenderWidgetHostViewOSR::OnScrollOffsetChanged,
weak_ptr_factory_.GetWeakPtr()));
}
}
}
std::unique_ptr<viz::HostDisplayClient>
CefRenderWidgetHostViewOSR::CreateHostDisplayClient() {
host_display_client_ =
new CefHostDisplayClientOSR(this, gfx::kNullAcceleratedWidget);
host_display_client_->SetActive(true);
return base::WrapUnique(host_display_client_);
}
bool CefRenderWidgetHostViewOSR::InstallTransparency() {
if (background_color_ == SK_ColorTRANSPARENT) {
SetBackgroundColor(background_color_);
if (compositor_) {
compositor_->SetBackgroundColor(background_color_);
}
return true;
}
return false;
}
void CefRenderWidgetHostViewOSR::WasResized() {
// Only one resize will be in-flight at a time.
if (hold_resize_) {
if (!pending_resize_)
pending_resize_ = true;
return;
}
SynchronizeVisualProperties(cc::DeadlinePolicy::UseExistingDeadline(),
absl::nullopt);
}
void CefRenderWidgetHostViewOSR::SynchronizeVisualProperties(
const cc::DeadlinePolicy& deadline_policy,
const absl::optional<viz::LocalSurfaceId>& child_local_surface_id) {
SetFrameRate();
const bool resized = ResizeRootLayer();
bool surface_id_updated = false;
if (!resized && child_local_surface_id) {
// Update the current surface ID.
parent_local_surface_id_allocator_->UpdateFromChild(
*child_local_surface_id);
surface_id_updated = true;
}
// Allocate a new surface ID if the surface has been resized or if the current
// ID is invalid (meaning we may have been evicted).
if (resized || !GetCurrentLocalSurfaceId().is_valid()) {
AllocateLocalSurfaceId();
surface_id_updated = true;
}
if (surface_id_updated) {
delegated_frame_host_->EmbedSurface(
GetCurrentLocalSurfaceId(), GetViewBounds().size(), deadline_policy);
// |render_widget_host_| will retrieve resize parameters from the
// DelegatedFrameHost and this view, so SynchronizeVisualProperties must be
// called last.
if (render_widget_host_) {
render_widget_host_->SynchronizeVisualProperties();
}
}
}
void CefRenderWidgetHostViewOSR::OnScreenInfoChanged() {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::OnScreenInfoChanged");
if (!render_widget_host_)
return;
SynchronizeVisualProperties(cc::DeadlinePolicy::UseDefaultDeadline(),
absl::nullopt);
if (render_widget_host_->delegate())
render_widget_host_->delegate()->SendScreenRects();
else
render_widget_host_->SendScreenRects();
render_widget_host_->NotifyScreenInfoChanged();
// We might want to change the cursor scale factor here as well - see the
// cache for the current_cursor_, as passed by UpdateCursor from the
// renderer in the rwhv_aura (current_cursor_.SetScaleFactor)
// Notify the guest hosts if any.
for (auto guest_host_view : guest_host_views_)
guest_host_view->OnScreenInfoChanged();
}
void CefRenderWidgetHostViewOSR::Invalidate(
CefBrowserHost::PaintElementType type) {
TRACE_EVENT1("cef", "CefRenderWidgetHostViewOSR::Invalidate", "type", type);
if (!IsPopupWidget() && type == PET_POPUP) {
if (popup_host_view_)
popup_host_view_->Invalidate(type);
return;
}
InvalidateInternal(gfx::Rect(SizeInPixels()));
}
void CefRenderWidgetHostViewOSR::SendExternalBeginFrame() {
DCHECK(external_begin_frame_enabled_);
base::TimeTicks frame_time = base::TimeTicks::Now();
base::TimeTicks deadline = base::TimeTicks();
base::TimeDelta interval = viz::BeginFrameArgs::DefaultInterval();
viz::BeginFrameArgs begin_frame_args = viz::BeginFrameArgs::Create(
BEGINFRAME_FROM_HERE, begin_frame_source_.source_id(),
begin_frame_number_, frame_time, deadline, interval,
viz::BeginFrameArgs::NORMAL);
DCHECK(begin_frame_args.IsValid());
begin_frame_number_++;
if (render_widget_host_)
render_widget_host_->ProgressFlingIfNeeded(frame_time);
if (compositor_) {
compositor_->IssueExternalBeginFrame(
begin_frame_args, /* force= */ true,
base::BindOnce(&CefRenderWidgetHostViewOSR::OnFrameComplete,
weak_ptr_factory_.GetWeakPtr()));
}
if (!IsPopupWidget() && popup_host_view_) {
popup_host_view_->SendExternalBeginFrame();
}
}
void CefRenderWidgetHostViewOSR::SendKeyEvent(
const content::NativeWebKeyboardEvent& event) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::SendKeyEvent");
content::RenderWidgetHostImpl* target_host = render_widget_host_;
// If there are multiple widgets on the page (such as when there are
// out-of-process iframes), pick the one that should process this event.
if (render_widget_host_ && render_widget_host_->delegate()) {
target_host = render_widget_host_->delegate()->GetFocusedRenderWidgetHost(
render_widget_host_);
}
if (target_host && target_host->GetView()) {
// Direct routing requires that events go directly to the View.
target_host->ForwardKeyboardEventWithLatencyInfo(
event,
ui::LatencyInfo(event.GetType() == blink::WebInputEvent::Type::kChar ||
event.GetType() ==
blink::WebInputEvent::Type::kRawKeyDown
? ui::SourceEventType::KEY_PRESS
: ui::SourceEventType::OTHER));
}
}
void CefRenderWidgetHostViewOSR::SendMouseEvent(
const blink::WebMouseEvent& event) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::SendMouseEvent");
if (!IsPopupWidget()) {
if (browser_impl_.get() &&
event.GetType() == blink::WebMouseEvent::Type::kMouseDown) {
browser_impl_->CancelContextMenu();
}
if (popup_host_view_) {
if (popup_host_view_->popup_position_.Contains(
event.PositionInWidget().x(), event.PositionInWidget().y())) {
blink::WebMouseEvent popup_event(event);
popup_event.SetPositionInWidget(
event.PositionInWidget().x() -
popup_host_view_->popup_position_.x(),
event.PositionInWidget().y() -
popup_host_view_->popup_position_.y());
popup_event.SetPositionInScreen(popup_event.PositionInWidget().x(),
popup_event.PositionInWidget().y());
popup_host_view_->SendMouseEvent(popup_event);
return;
}
} else if (!guest_host_views_.empty()) {
for (auto guest_host_view : guest_host_views_) {
if (!guest_host_view->render_widget_host_ ||
!guest_host_view->render_widget_host_->GetView()) {
continue;
}
const gfx::Rect& guest_bounds =
guest_host_view->render_widget_host_->GetView()->GetViewBounds();
if (guest_bounds.Contains(event.PositionInWidget().x(),
event.PositionInWidget().y())) {
blink::WebMouseEvent guest_event(event);
guest_event.SetPositionInWidget(
event.PositionInWidget().x() - guest_bounds.x(),
event.PositionInWidget().y() - guest_bounds.y());
guest_event.SetPositionInScreen(guest_event.PositionInWidget().x(),
guest_event.PositionInWidget().y());
guest_host_view->SendMouseEvent(guest_event);
return;
}
}
}
}
if (render_widget_host_ && render_widget_host_->GetView()) {
if (ShouldRouteEvents()) {
// RouteMouseEvent wants non-const pointer to WebMouseEvent, but it only
// forwards it to RenderWidgetTargeter::FindTargetAndDispatch as a const
// reference, so const_cast here is safe.
render_widget_host_->delegate()->GetInputEventRouter()->RouteMouseEvent(
this, const_cast<blink::WebMouseEvent*>(&event),
ui::LatencyInfo(ui::SourceEventType::OTHER));
} else {
render_widget_host_->GetView()->ProcessMouseEvent(
event, ui::LatencyInfo(ui::SourceEventType::OTHER));
}
}
}
void CefRenderWidgetHostViewOSR::SendMouseWheelEvent(
const blink::WebMouseWheelEvent& event) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::SendMouseWheelEvent");
if (!IsPopupWidget()) {
if (browser_impl_.get())
browser_impl_->CancelContextMenu();
if (popup_host_view_) {
if (popup_host_view_->popup_position_.Contains(
event.PositionInWidget().x(), event.PositionInWidget().y())) {
blink::WebMouseWheelEvent popup_mouse_wheel_event(event);
popup_mouse_wheel_event.SetPositionInWidget(
event.PositionInWidget().x() -
popup_host_view_->popup_position_.x(),
event.PositionInWidget().y() -
popup_host_view_->popup_position_.y());
popup_mouse_wheel_event.SetPositionInScreen(
popup_mouse_wheel_event.PositionInWidget().x(),
popup_mouse_wheel_event.PositionInWidget().y());
popup_host_view_->SendMouseWheelEvent(popup_mouse_wheel_event);
return;
} else {
// Scrolling outside of the popup widget so destroy it.
// Execute asynchronously to avoid deleting the widget from inside
// some other callback.
CEF_POST_TASK(
CEF_UIT,
base::BindOnce(&CefRenderWidgetHostViewOSR::CancelWidget,
popup_host_view_->weak_ptr_factory_.GetWeakPtr()));
}
} else if (!guest_host_views_.empty()) {
for (auto guest_host_view : guest_host_views_) {
if (!guest_host_view->render_widget_host_ ||
!guest_host_view->render_widget_host_->GetView()) {
continue;
}
const gfx::Rect& guest_bounds =
guest_host_view->render_widget_host_->GetView()->GetViewBounds();
if (guest_bounds.Contains(event.PositionInWidget().x(),
event.PositionInWidget().y())) {
blink::WebMouseWheelEvent guest_mouse_wheel_event(event);
guest_mouse_wheel_event.SetPositionInWidget(
event.PositionInWidget().x() - guest_bounds.x(),
event.PositionInWidget().y() - guest_bounds.y());
guest_mouse_wheel_event.SetPositionInScreen(
guest_mouse_wheel_event.PositionInWidget().x(),
guest_mouse_wheel_event.PositionInWidget().y());
guest_host_view->SendMouseWheelEvent(guest_mouse_wheel_event);
return;
}
}
}
}
if (render_widget_host_ && render_widget_host_->GetView()) {
blink::WebMouseWheelEvent mouse_wheel_event(event);
mouse_wheel_phase_handler_.SendWheelEndForTouchpadScrollingIfNeeded(false);
mouse_wheel_phase_handler_.AddPhaseIfNeededAndScheduleEndEvent(
mouse_wheel_event, false);
if (ShouldRouteEvents()) {
render_widget_host_->delegate()
->GetInputEventRouter()
->RouteMouseWheelEvent(
this, const_cast<blink::WebMouseWheelEvent*>(&mouse_wheel_event),
ui::LatencyInfo(ui::SourceEventType::WHEEL));
} else {
render_widget_host_->GetView()->ProcessMouseWheelEvent(
mouse_wheel_event, ui::LatencyInfo(ui::SourceEventType::WHEEL));
}
}
}
void CefRenderWidgetHostViewOSR::SendTouchEvent(const CefTouchEvent& event) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::SendTouchEvent");
if (!IsPopupWidget() && popup_host_view_) {
if (!forward_touch_to_popup_ && event.type == CEF_TET_PRESSED &&
pointer_state_.GetPointerCount() == 0) {
forward_touch_to_popup_ =
popup_host_view_->popup_position_.Contains(event.x, event.y);
}
if (forward_touch_to_popup_) {
CefTouchEvent popup_event(event);
popup_event.x -= popup_host_view_->popup_position_.x();
popup_event.y -= popup_host_view_->popup_position_.y();
popup_host_view_->SendTouchEvent(popup_event);
return;
}
}
// Update the touch event first.
if (!pointer_state_.OnTouch(event))
return;
ui::FilteredGestureProvider::TouchHandlingResult result =
gesture_provider_.OnTouchEvent(pointer_state_);
blink::WebTouchEvent touch_event = ui::CreateWebTouchEventFromMotionEvent(
pointer_state_, result.moved_beyond_slop_region, false);
pointer_state_.CleanupRemovedTouchPoints(event);
// Set unchanged touch point to StateStationary for touchmove and
// touchcancel to make sure only send one ack per WebTouchEvent.
if (!result.succeeded)
pointer_state_.MarkUnchangedTouchPointsAsStationary(&touch_event, event);
if (!render_widget_host_)
return;
ui::LatencyInfo latency_info = CreateLatencyInfo(touch_event);
if (ShouldRouteEvents()) {
render_widget_host_->delegate()->GetInputEventRouter()->RouteTouchEvent(
this, &touch_event, latency_info);
} else {
render_widget_host_->ForwardTouchEventWithLatencyInfo(touch_event,
latency_info);
}
bool touch_end =
touch_event.GetType() == blink::WebInputEvent::Type::kTouchEnd ||
touch_event.GetType() == blink::WebInputEvent::Type::kTouchCancel;
if (touch_end && IsPopupWidget() && parent_host_view_ &&
parent_host_view_->popup_host_view_ == this) {
parent_host_view_->forward_touch_to_popup_ = false;
}
}
bool CefRenderWidgetHostViewOSR::ShouldRouteEvents() const {
if (!render_widget_host_->delegate())
return false;
// Do not route events that are currently targeted to page popups such as
// <select> element drop-downs, since these cannot contain cross-process
// frames.
if (!render_widget_host_->delegate()->IsWidgetForMainFrame(
render_widget_host_)) {
return false;
}
return !!render_widget_host_->delegate()->GetInputEventRouter();
}
void CefRenderWidgetHostViewOSR::SendFocusEvent(bool focus) {
if (!render_widget_host_)
return;
content::RenderWidgetHostImpl* widget =
content::RenderWidgetHostImpl::From(render_widget_host_);
if (focus) {
widget->GotFocus();
widget->SetActive(true);
} else {
if (browser_impl_.get())
browser_impl_->CancelContextMenu();
widget->SetActive(false);
widget->LostFocus();
}
}
void CefRenderWidgetHostViewOSR::OnUpdateTextInputStateCalled(
content::TextInputManager* text_input_manager,
content::RenderWidgetHostViewBase* updated_view,
bool did_update_state) {
const auto state = text_input_manager->GetTextInputState();
if (state && !state->show_ime_if_needed)
return;
CefRenderHandler::TextInputMode mode = CEF_TEXT_INPUT_MODE_NONE;
if (state && state->type != ui::TEXT_INPUT_TYPE_NONE) {
static_assert(
static_cast<int>(CEF_TEXT_INPUT_MODE_MAX) ==
static_cast<int>(ui::TEXT_INPUT_MODE_MAX),
"Enum values in cef_text_input_mode_t must match ui::TextInputMode");
mode = static_cast<CefRenderHandler::TextInputMode>(state->mode);
}
CefRefPtr<CefRenderHandler> handler =
browser_impl_->GetClient()->GetRenderHandler();
CHECK(handler);
handler->OnVirtualKeyboardRequested(browser_impl_->GetBrowser(), mode);
}
void CefRenderWidgetHostViewOSR::ProcessAckedTouchEvent(
const content::TouchEventWithLatencyInfo& touch,
blink::mojom::InputEventResultState ack_result) {
const bool event_consumed =
ack_result == blink::mojom::InputEventResultState::kConsumed;
gesture_provider_.OnTouchEventAck(touch.event.unique_touch_event_id,
event_consumed, false);
}
void CefRenderWidgetHostViewOSR::OnGestureEvent(
const ui::GestureEventData& gesture) {
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;
}
blink::WebGestureEvent web_event =
ui::CreateWebGestureEventFromGestureEventData(gesture);
// without this check, forwarding gestures does not work!
if (web_event.GetType() == blink::WebInputEvent::Type::kUndefined)
return;
ui::LatencyInfo latency_info = CreateLatencyInfo(web_event);
if (ShouldRouteEvents()) {
render_widget_host_->delegate()->GetInputEventRouter()->RouteGestureEvent(
this, &web_event, latency_info);
} else {
render_widget_host_->ForwardGestureEventWithLatencyInfo(web_event,
latency_info);
}
}
void CefRenderWidgetHostViewOSR::UpdateFrameRate() {
frame_rate_threshold_us_ = 0;
SetFrameRate();
if (video_consumer_) {
video_consumer_->SetFrameRate(
base::TimeDelta::FromMicroseconds(frame_rate_threshold_us_));
}
// Notify the guest hosts if any.
for (auto guest_host_view : guest_host_views_)
guest_host_view->UpdateFrameRate();
}
gfx::Size CefRenderWidgetHostViewOSR::SizeInPixels() {
return gfx::ScaleToCeiledSize(GetViewBounds().size(),
GetCurrentDeviceScaleFactor());
}
#if defined(OS_MAC)
void CefRenderWidgetHostViewOSR::SetActive(bool active) {}
void CefRenderWidgetHostViewOSR::ShowDefinitionForSelection() {}
void CefRenderWidgetHostViewOSR::SpeakSelection() {}
void CefRenderWidgetHostViewOSR::SetWindowFrameInScreen(const gfx::Rect& rect) {
}
void CefRenderWidgetHostViewOSR::ShowSharePicker(
const std::string& title,
const std::string& text,
const std::string& url,
const std::vector<std::string>& file_paths,
blink::mojom::ShareService::ShareCallback callback) {
std::move(callback).Run(blink::mojom::ShareError::INTERNAL_ERROR);
}
#endif // defined(OS_MAC)
void CefRenderWidgetHostViewOSR::OnPaint(const gfx::Rect& damage_rect,
const gfx::Size& pixel_size,
const void* pixels) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::OnPaint");
// Workaround for https://bitbucket.org/chromiumembedded/cef/issues/2817
if (!is_showing_) {
return;
}
if (!pixels) {
return;
}
CefRefPtr<CefRenderHandler> handler =
browser_impl_->client()->GetRenderHandler();
CHECK(handler);
gfx::Rect rect_in_pixels(0, 0, pixel_size.width(), pixel_size.height());
rect_in_pixels.Intersect(damage_rect);
CefRenderHandler::RectList rcList;
rcList.push_back(CefRect(rect_in_pixels.x(), rect_in_pixels.y(),
rect_in_pixels.width(), rect_in_pixels.height()));
handler->OnPaint(browser_impl_.get(), IsPopupWidget() ? PET_POPUP : PET_VIEW,
rcList, pixels, pixel_size.width(), pixel_size.height());
// Release the resize hold when we reach the desired size.
if (hold_resize_ && pixel_size == SizeInPixels())
ReleaseResizeHold();
}
ui::Layer* CefRenderWidgetHostViewOSR::GetRootLayer() const {
return root_layer_.get();
}
void CefRenderWidgetHostViewOSR::SetFrameRate() {
CefRefPtr<AlloyBrowserHostImpl> browser;
if (parent_host_view_) {
// Use the same frame rate as the embedding browser.
browser = parent_host_view_->browser_impl_;
} else {
browser = browser_impl_;
}
CHECK(browser);
// Only set the frame rate one time.
if (frame_rate_threshold_us_ != 0)
return;
int frame_rate =
osr_util::ClampFrameRate(browser->settings().windowless_frame_rate);
frame_rate_threshold_us_ = 1000000 / frame_rate;
if (compositor_) {
compositor_->SetDisplayVSyncParameters(
base::TimeTicks::Now(),
base::TimeDelta::FromMicroseconds(frame_rate_threshold_us_));
}
if (video_consumer_) {
video_consumer_->SetFrameRate(
base::TimeDelta::FromMicroseconds(frame_rate_threshold_us_));
}
}
bool CefRenderWidgetHostViewOSR::SetDeviceScaleFactor() {
// This method should not be called while the resize hold is active.
DCHECK(!hold_resize_);
const float new_scale_factor = ::GetDeviceScaleFactor(browser_impl_.get());
if (new_scale_factor == GetCurrentDeviceScaleFactor())
return false;
SetCurrentDeviceScaleFactor(new_scale_factor);
// Notify the guest hosts if any.
for (auto guest_host_view : guest_host_views_) {
content::RenderWidgetHostImpl* rwhi = guest_host_view->render_widget_host();
if (!rwhi)
continue;
auto guest_view_osr =
static_cast<CefRenderWidgetHostViewOSR*>(rwhi->GetView());
if (guest_view_osr) {
guest_view_osr->SetCurrentDeviceScaleFactor(new_scale_factor);
}
}
return true;
}
void CefRenderWidgetHostViewOSR::SetCurrentDeviceScaleFactor(float scale) {
// Initialize a display struct as needed, to cache the scale factor.
if (display_list_.displays().empty()) {
display_list_ = display::DisplayList(
{display::Display(display::kDefaultDisplayId)},
display::kDefaultDisplayId, display::kDefaultDisplayId);
}
display::Display current_display = display_list_.GetCurrentDisplay();
current_display.set_device_scale_factor(scale);
display_list_.UpdateDisplay(current_display);
}
bool CefRenderWidgetHostViewOSR::SetViewBounds() {
// This method should not be called while the resize hold is active.
DCHECK(!hold_resize_);
// Popup bounds are set in InitAsPopup.
if (IsPopupWidget())
return false;
const gfx::Rect& new_bounds = ::GetViewBounds(browser_impl_.get());
if (new_bounds == current_view_bounds_)
return false;
current_view_bounds_ = new_bounds;
return true;
}
bool CefRenderWidgetHostViewOSR::SetRootLayerSize(bool force) {
const bool scale_factor_changed = SetDeviceScaleFactor();
const bool view_bounds_changed = SetViewBounds();
if (!force && !scale_factor_changed && !view_bounds_changed)
return false;
GetRootLayer()->SetBounds(gfx::Rect(GetViewBounds().size()));
if (compositor_) {
compositor_local_surface_id_allocator_.GenerateId();
compositor_->SetScaleAndSize(
GetCurrentDeviceScaleFactor(), SizeInPixels(),
compositor_local_surface_id_allocator_.GetCurrentLocalSurfaceId());
}
return (scale_factor_changed || view_bounds_changed);
}
bool CefRenderWidgetHostViewOSR::ResizeRootLayer() {
if (!hold_resize_) {
// The resize hold is not currently active.
if (SetRootLayerSize(false /* force */)) {
// The size has changed. Avoid resizing again until ReleaseResizeHold() is
// called.
hold_resize_ = true;
return true;
}
} else if (!pending_resize_) {
// The resize hold is currently active. Another resize will be triggered
// from ReleaseResizeHold().
pending_resize_ = true;
}
return false;
}
void CefRenderWidgetHostViewOSR::ReleaseResizeHold() {
DCHECK(hold_resize_);
hold_resize_ = false;
if (pending_resize_) {
pending_resize_ = false;
CEF_POST_TASK(CEF_UIT,
base::BindOnce(&CefRenderWidgetHostViewOSR::WasResized,
weak_ptr_factory_.GetWeakPtr()));
}
}
void CefRenderWidgetHostViewOSR::CancelWidget() {
if (render_widget_host_)
render_widget_host_->LostCapture();
Hide();
if (IsPopupWidget() && browser_impl_.get()) {
CefRefPtr<CefRenderHandler> handler =
browser_impl_->client()->GetRenderHandler();
CHECK(handler);
handler->OnPopupShow(browser_impl_.get(), false);
browser_impl_ = nullptr;
}
if (parent_host_view_) {
if (parent_host_view_->popup_host_view_ == this) {
parent_host_view_->set_popup_host_view(nullptr);
} else if (parent_host_view_->child_host_view_ == this) {
parent_host_view_->set_child_host_view(nullptr);
// Start rendering the parent view again.
parent_host_view_->Show();
} else {
parent_host_view_->RemoveGuestHostView(this);
}
parent_host_view_ = nullptr;
}
if (render_widget_host_ && !is_destroyed_) {
is_destroyed_ = true;
// Don't delete the RWHI manually while owned by a scoped_ptr in RVHI.
// This matches a CHECK() in RenderWidgetHostImpl::Destroy().
const bool also_delete = !render_widget_host_->owner_delegate();
// Results in a call to Destroy().
render_widget_host_->ShutdownAndDestroyWidget(also_delete);
}
}
void CefRenderWidgetHostViewOSR::OnScrollOffsetChanged() {
if (browser_impl_.get()) {
CefRefPtr<CefRenderHandler> handler =
browser_impl_->client()->GetRenderHandler();
CHECK(handler);
handler->OnScrollOffsetChanged(browser_impl_.get(), last_scroll_offset_.x(),
last_scroll_offset_.y());
}
is_scroll_offset_changed_pending_ = false;
}
void CefRenderWidgetHostViewOSR::AddGuestHostView(
CefRenderWidgetHostViewOSR* guest_host) {
guest_host_views_.insert(guest_host);
}
void CefRenderWidgetHostViewOSR::RemoveGuestHostView(
CefRenderWidgetHostViewOSR* guest_host) {
guest_host_views_.erase(guest_host);
}
void CefRenderWidgetHostViewOSR::InvalidateInternal(
const gfx::Rect& bounds_in_pixels) {
if (video_consumer_) {
video_consumer_->RequestRefreshFrame(bounds_in_pixels);
} else if (host_display_client_) {
OnPaint(bounds_in_pixels, host_display_client_->GetPixelSize(),
host_display_client_->GetPixelMemory());
}
}
void CefRenderWidgetHostViewOSR::RequestImeCompositionUpdate(
bool start_monitoring) {
if (!render_widget_host_)
return;
render_widget_host_->RequestCompositionUpdates(false, start_monitoring);
}
void CefRenderWidgetHostViewOSR::ImeCompositionRangeChanged(
const gfx::Range& range,
const std::vector<gfx::Rect>& character_bounds) {
if (browser_impl_.get()) {
CefRange cef_range(range.start(), range.end());
CefRenderHandler::RectList rcList;
for (size_t i = 0; i < character_bounds.size(); ++i) {
rcList.push_back(CefRect(character_bounds[i].x(), character_bounds[i].y(),
character_bounds[i].width(),
character_bounds[i].height()));
}
CefRefPtr<CefRenderHandler> handler =
browser_impl_->GetClient()->GetRenderHandler();
CHECK(handler);
handler->OnImeCompositionRangeChanged(browser_impl_->GetBrowser(),
cef_range, rcList);
}
}
viz::FrameSinkId CefRenderWidgetHostViewOSR::AllocateFrameSinkId() {
return render_widget_host_->GetFrameSinkId();
}
void CefRenderWidgetHostViewOSR::UpdateBackgroundColorFromRenderer(
SkColor color) {
if (color == background_color_)
return;
background_color_ = color;
bool opaque = SkColorGetA(color) == SK_AlphaOPAQUE;
GetRootLayer()->SetFillsBoundsOpaquely(opaque);
GetRootLayer()->SetColor(color);
}
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