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28d24e22d6
cef/libcef/browser/osr/render_widget_host_view_osr.cc
Marshall Greenblatt 28d24e22d6 Update to Chromium version 72.0.3626.0 (#612437) 
- Windows: Can now build with either 10.0.17134 or 10.0.17763 SDK.
2018-12-26 19:15:28 +02:00

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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/browser_host_impl.h"
#include "libcef/browser/osr/osr_util.h"
#include "libcef/browser/osr/software_output_device_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/copy_output_request.h"
#include "components/viz/common/frame_sinks/delay_based_time_source.h"
#include "components/viz/common/gl_helper.h"
#include "components/viz/common/switches.h"
#include "content/browser/bad_message.h"
#include "content/browser/compositor/image_transport_factory.h"
#include "content/browser/frame_host/render_widget_host_view_guest.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/render_widget_host_delegate.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/common/input_messages.h"
#include "content/common/view_messages.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_vsync_manager.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;
// The maximum number of retry counts if frame capture fails.
const int kFrameRetryLimit = 2;
static content::ScreenInfo ScreenInfoFrom(const CefScreenInfo& src) {
content::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 CefCompositorFrameSinkClient
: public viz::mojom::CompositorFrameSinkClient {
public:
CefCompositorFrameSinkClient(viz::mojom::CompositorFrameSinkClient* forward,
CefRenderWidgetHostViewOSR* rwhv)
: forward_(forward), render_widget_host_view_(rwhv) {}
void DidReceiveCompositorFrameAck(
const std::vector<viz::ReturnedResource>& resources) override {
forward_->DidReceiveCompositorFrameAck(resources);
}
void OnBeginFrame(const viz::BeginFrameArgs& args,
const base::flat_map<uint32_t, gfx::PresentationFeedback>&
feedbacks) override {
if (render_widget_host_view_) {
for (const auto& pair : feedbacks) {
render_widget_host_view_->OnPresentCompositorFrame(pair.first);
}
}
forward_->OnBeginFrame(args, feedbacks);
}
void OnBeginFramePausedChanged(bool paused) override {
forward_->OnBeginFramePausedChanged(paused);
}
void ReclaimResources(
const std::vector<viz::ReturnedResource>& resources) override {
forward_->ReclaimResources(resources);
}
private:
viz::mojom::CompositorFrameSinkClient* const forward_;
CefRenderWidgetHostViewOSR* const render_widget_host_view_;
};
#if !defined(OS_MACOSX)
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()->IsFullscreenForCurrentTab()) {
return SK_ColorBLACK;
}
return *view_->GetBackgroundColor();
}
void OnBeginFrame(base::TimeTicks frame_time) override {
// TODO(cef): Maybe we can use this method in combination with
// OnSetNeedsBeginFrames() instead of using CefBeginFrameTimer.
// See https://codereview.chromium.org/1841083007.
}
void OnFrameTokenChanged(uint32_t frame_token) override {
view_->render_widget_host()->DidProcessFrame(frame_token);
}
float GetDeviceScaleFactor() const override {
return view_->GetDeviceScaleFactor();
}
std::vector<viz::SurfaceId> CollectSurfaceIdsForEviction() override {
return view_->render_widget_host()->CollectSurfaceIdsForEviction();
}
void InvalidateLocalSurfaceIdOnEviction() override {}
private:
CefRenderWidgetHostViewOSR* const view_;
DISALLOW_COPY_AND_ASSIGN(CefDelegatedFrameHostClient);
};
#endif // !defined(OS_MACOSX)
} // namespace
// Used for managing copy requests when GPU compositing is enabled. Based on
// RendererOverridesHandler::InnerSwapCompositorFrame and
// DelegatedFrameHost::CopyFromCompositingSurface.
class CefCopyFrameGenerator {
public:
CefCopyFrameGenerator(int frame_rate_threshold_us,
CefRenderWidgetHostViewOSR* view)
: view_(view),
frame_retry_count_(0),
next_frame_time_(base::TimeTicks::Now()),
frame_duration_(
base::TimeDelta::FromMicroseconds(frame_rate_threshold_us)),
weak_ptr_factory_(this) {}
void GenerateCopyFrame(const gfx::Rect& damage_rect) {
if (!view_->render_widget_host())
return;
// The below code is similar in functionality to
// DelegatedFrameHost::CopyFromCompositingSurface but we reuse the same
// SkBitmap in the GPU codepath and avoid scaling where possible.
// Let the compositor copy into a new SkBitmap
std::unique_ptr<viz::CopyOutputRequest> request =
std::make_unique<viz::CopyOutputRequest>(
viz::CopyOutputRequest::ResultFormat::RGBA_BITMAP,
base::Bind(
&CefCopyFrameGenerator::CopyFromCompositingSurfaceHasResult,
weak_ptr_factory_.GetWeakPtr(), damage_rect));
request->set_area(gfx::Rect(view_->GetCompositorViewportPixelSize()));
view_->GetRootLayer()->RequestCopyOfOutput(std::move(request));
}
void set_frame_rate_threshold_us(int frame_rate_threshold_us) {
frame_duration_ =
base::TimeDelta::FromMicroseconds(frame_rate_threshold_us);
}
private:
void CopyFromCompositingSurfaceHasResult(
const gfx::Rect& damage_rect,
std::unique_ptr<viz::CopyOutputResult> result) {
if (result->IsEmpty() || result->size().IsEmpty() ||
!view_->render_widget_host()) {
OnCopyFrameCaptureFailure(damage_rect);
return;
}
std::unique_ptr<SkBitmap> source =
std::make_unique<SkBitmap>(result->AsSkBitmap());
DCHECK(source);
if (source) {
std::shared_ptr<SkBitmap> bitmap(std::move(source));
base::TimeTicks now = base::TimeTicks::Now();
base::TimeDelta next_frame_in = next_frame_time_ - now;
if (next_frame_in > frame_duration_ / 4) {
next_frame_time_ += frame_duration_;
base::PostDelayedTaskWithTraits(
FROM_HERE, {content::BrowserThread::UI},
base::Bind(&CefCopyFrameGenerator::OnCopyFrameCaptureSuccess,
weak_ptr_factory_.GetWeakPtr(), damage_rect, bitmap),
next_frame_in);
} else {
next_frame_time_ = now + frame_duration_;
OnCopyFrameCaptureSuccess(damage_rect, bitmap);
}
// Reset the frame retry count on successful frame generation.
frame_retry_count_ = 0;
} else {
OnCopyFrameCaptureFailure(damage_rect);
}
}
void OnCopyFrameCaptureFailure(const gfx::Rect& damage_rect) {
const bool force_frame = (++frame_retry_count_ <= kFrameRetryLimit);
if (force_frame) {
// Retry with the same |damage_rect|.
CEF_POST_TASK(CEF_UIT,
base::Bind(&CefCopyFrameGenerator::GenerateCopyFrame,
weak_ptr_factory_.GetWeakPtr(), damage_rect));
}
}
void OnCopyFrameCaptureSuccess(const gfx::Rect& damage_rect,
std::shared_ptr<SkBitmap> bitmap) {
view_->OnPaint(damage_rect, bitmap->width(), bitmap->height(),
bitmap->getPixels());
}
CefRenderWidgetHostViewOSR* const view_;
int frame_retry_count_;
base::TimeTicks next_frame_time_;
base::TimeDelta frame_duration_;
base::WeakPtrFactory<CefCopyFrameGenerator> weak_ptr_factory_;
DISALLOW_COPY_AND_ASSIGN(CefCopyFrameGenerator);
};
// Used to control the VSync rate in subprocesses when BeginFrame scheduling is
// enabled.
class CefBeginFrameTimer : public viz::DelayBasedTimeSourceClient {
public:
CefBeginFrameTimer(int frame_rate_threshold_us, const base::Closure& callback)
: callback_(callback) {
time_source_.reset(new viz::DelayBasedTimeSource(
base::CreateSingleThreadTaskRunnerWithTraits(
{content::BrowserThread::UI})
.get()));
time_source_->SetTimebaseAndInterval(
base::TimeTicks(),
base::TimeDelta::FromMicroseconds(frame_rate_threshold_us));
time_source_->SetClient(this);
}
void SetActive(bool active) { time_source_->SetActive(active); }
bool IsActive() const { return time_source_->Active(); }
void SetFrameRateThresholdUs(int frame_rate_threshold_us) {
time_source_->SetTimebaseAndInterval(
base::TimeTicks::Now(),
base::TimeDelta::FromMicroseconds(frame_rate_threshold_us));
}
private:
// cc::TimerSourceClient implementation.
void OnTimerTick() override { callback_.Run(); }
const base::Closure callback_;
std::unique_ptr<viz::DelayBasedTimeSource> time_source_;
DISALLOW_COPY_AND_ASSIGN(CefBeginFrameTimer);
};
CefRenderWidgetHostViewOSR::CefRenderWidgetHostViewOSR(
SkColor background_color,
bool use_shared_texture,
bool use_external_begin_frame,
content::RenderWidgetHost* widget,
CefRenderWidgetHostViewOSR* parent_host_view,
bool is_guest_view_hack)
: content::RenderWidgetHostViewBase(widget),
background_color_(background_color),
frame_rate_threshold_us_(0),
#if !defined(OS_MACOSX)
compositor_widget_(gfx::kNullAcceleratedWidget),
#endif
software_output_device_(NULL),
hold_resize_(false),
pending_resize_(false),
render_widget_host_(content::RenderWidgetHostImpl::From(widget)),
has_parent_(parent_host_view != NULL),
parent_host_view_(parent_host_view),
popup_host_view_(NULL),
child_host_view_(NULL),
is_showing_(!render_widget_host_->is_hidden()),
is_destroyed_(false),
is_scroll_offset_changed_pending_(false),
mouse_wheel_phase_handler_(this),
weak_ptr_factory_(this) {
DCHECK(render_widget_host_);
DCHECK(!render_widget_host_->GetView());
current_device_scale_factor_ = kDefaultScaleFactor;
if (parent_host_view_) {
browser_impl_ = parent_host_view_->browser_impl();
DCHECK(browser_impl_);
} else if (content::RenderViewHost::From(render_widget_host_)) {
// CefBrowserHostImpl might not be created at this time for popups.
browser_impl_ = CefBrowserHostImpl::GetBrowserForHost(
content::RenderViewHost::From(render_widget_host_));
}
#if !defined(OS_MACOSX)
local_surface_id_allocator_.GenerateId();
local_surface_id_allocation_ =
local_surface_id_allocator_.GetCurrentLocalSurfaceIdAllocation();
delegated_frame_host_client_.reset(new CefDelegatedFrameHostClient(this));
// Matching the attributes from BrowserCompositorMac.
delegated_frame_host_ = std::make_unique<content::DelegatedFrameHost>(
AllocateFrameSinkId(is_guest_view_hack),
delegated_frame_host_client_.get(),
true /* should_register_frame_sink_id */);
root_layer_.reset(new ui::Layer(ui::LAYER_SOLID_COLOR));
#endif
PlatformCreateCompositorWidget(is_guest_view_hack);
bool opaque = SkColorGetA(background_color_) == SK_AlphaOPAQUE;
GetRootLayer()->SetFillsBoundsOpaquely(opaque);
GetRootLayer()->SetColor(background_color_);
external_begin_frame_enabled_ = use_external_begin_frame;
#if !defined(OS_MACOSX)
// On macOS the ui::Compositor is created/owned by the platform view.
content::ImageTransportFactory* factory =
content::ImageTransportFactory::GetInstance();
ui::ContextFactoryPrivate* context_factory_private =
factory->GetContextFactoryPrivate();
// Matching the attributes from RecyclableCompositorMac.
compositor_.reset(new ui::Compositor(
context_factory_private->AllocateFrameSinkId(),
content::GetContextFactory(), context_factory_private,
base::ThreadTaskRunnerHandle::Get(),
features::IsSurfaceSynchronizationEnabled(),
false /* enable_pixel_canvas */, use_external_begin_frame));
compositor_->SetAcceleratedWidget(compositor_widget_);
// Tell the compositor to use shared textures if the client can handle
// OnAcceleratedPaint.
compositor_->EnableSharedTexture(use_shared_texture);
if (use_external_begin_frame) {
compositor_->SetExternalBeginFrameClient(this);
}
compositor_->SetDelegate(this);
compositor_->SetRootLayer(root_layer_.get());
#endif
if (browser_impl_.get())
ResizeRootLayer(false);
cursor_manager_.reset(new content::CursorManager(this));
// Do this last because it may result in a call to SetNeedsBeginFrames.
render_widget_host_->SetView(this);
}
CefRenderWidgetHostViewOSR::~CefRenderWidgetHostViewOSR() {
#if defined(OS_MACOSX)
if (is_showing_)
browser_compositor_->SetRenderWidgetHostIsHidden(true);
#else
if (external_begin_frame_enabled_) {
ui::Compositor* compositor = GetCompositor();
if (compositor) {
compositor->SetExternalBeginFrameClient(nullptr);
}
}
// 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();
delegated_frame_host_->DetachFromCompositor();
#endif
PlatformDestroyCompositorWidget();
if (copy_frame_generator_.get())
copy_frame_generator_.reset(NULL);
#if !defined(OS_MACOSX)
delegated_frame_host_.reset(NULL);
compositor_.reset(NULL);
root_layer_.reset(NULL);
#endif
DCHECK(parent_host_view_ == NULL);
DCHECK(popup_host_view_ == NULL);
DCHECK(child_host_view_ == NULL);
DCHECK(guest_host_views_.empty());
}
// 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();
ResizeRootLayer(false);
Show();
}
void CefRenderWidgetHostViewOSR::SetSize(const gfx::Size& size) {}
void CefRenderWidgetHostViewOSR::SetBounds(const gfx::Rect& rect) {}
gfx::NativeView CefRenderWidgetHostViewOSR::GetNativeView() const {
return gfx::NativeView();
}
gfx::NativeViewAccessible
CefRenderWidgetHostViewOSR::GetNativeViewAccessible() {
return gfx::NativeViewAccessible();
}
void CefRenderWidgetHostViewOSR::Focus() {}
bool CefRenderWidgetHostViewOSR::HasFocus() const {
return false;
}
bool CefRenderWidgetHostViewOSR::IsSurfaceAvailableForCopy() const {
return GetDelegatedFrameHost()->CanCopyFromCompositingSurface();
}
void CefRenderWidgetHostViewOSR::Show() {
if (is_showing_)
return;
is_showing_ = true;
#if defined(OS_MACOSX)
browser_compositor_->SetRenderWidgetHostIsHidden(false);
#else
delegated_frame_host_->AttachToCompositor(compositor_.get());
delegated_frame_host_->WasShown(
GetLocalSurfaceIdAllocation().local_surface_id(),
GetRootLayer()->bounds().size(), false);
#endif
// Note that |render_widget_host_| will retrieve size parameters from the
// DelegatedFrameHost, so it must have WasShown called after.
if (render_widget_host_)
render_widget_host_->WasShown(false);
}
void CefRenderWidgetHostViewOSR::Hide() {
if (!is_showing_)
return;
if (browser_impl_.get())
browser_impl_->CancelContextMenu();
if (render_widget_host_)
render_widget_host_->WasHidden();
#if defined(OS_MACOSX)
browser_compositor_->SetRenderWidgetHostIsHidden(true);
#else
GetDelegatedFrameHost()->WasHidden();
GetDelegatedFrameHost()->DetachFromCompositor();
#endif
is_showing_ = false;
}
bool CefRenderWidgetHostViewOSR::IsShowing() {
return is_showing_;
}
void CefRenderWidgetHostViewOSR::EnsureSurfaceSynchronizedForLayoutTest() {
++latest_capture_sequence_number_;
SynchronizeVisualProperties();
}
gfx::Rect CefRenderWidgetHostViewOSR::GetViewBounds() const {
if (IsPopupWidget())
return popup_position_;
if (!browser_impl_.get())
return gfx::Rect();
CefRect rc;
CefRefPtr<CefRenderHandler> handler =
browser_impl_->GetClient()->GetRenderHandler();
CHECK(handler);
handler->GetViewRect(browser_impl_.get(), rc);
CHECK_GT(rc.width, 0);
CHECK_GT(rc.height, 0);
return gfx::Rect(rc.x, rc.y, rc.width, rc.height);
}
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);
if (render_widget_host_) {
render_widget_host_->SetBackgroundOpaque(SkColorGetA(color) ==
SK_AlphaOPAQUE);
}
}
base::Optional<SkColor> CefRenderWidgetHostViewOSR::GetBackgroundColor() const {
return background_color_;
}
void CefRenderWidgetHostViewOSR::UpdateBackgroundColor() {
NOTREACHED();
}
bool CefRenderWidgetHostViewOSR::LockMouse() {
return false;
}
void CefRenderWidgetHostViewOSR::UnlockMouse() {}
void CefRenderWidgetHostViewOSR::TakeFallbackContentFrom(
content::RenderWidgetHostView* view) {
DCHECK(!static_cast<RenderWidgetHostViewBase*>(view)
->IsRenderWidgetHostViewChildFrame());
DCHECK(!static_cast<RenderWidgetHostViewBase*>(view)
->IsRenderWidgetHostViewGuest());
CefRenderWidgetHostViewOSR* view_cef =
static_cast<CefRenderWidgetHostViewOSR*>(view);
SetBackgroundColor(view_cef->background_color_);
if (GetDelegatedFrameHost() && view_cef->GetDelegatedFrameHost()) {
GetDelegatedFrameHost()->TakeFallbackContentFrom(
view_cef->GetDelegatedFrameHost());
}
host()->GetContentRenderingTimeoutFrom(view_cef->host());
}
void CefRenderWidgetHostViewOSR::DidCreateNewRendererCompositorFrameSink(
viz::mojom::CompositorFrameSinkClient* renderer_compositor_frame_sink) {
renderer_compositor_frame_sink_.reset(
new CefCompositorFrameSinkClient(renderer_compositor_frame_sink, this));
if (GetDelegatedFrameHost()) {
GetDelegatedFrameHost()->DidCreateNewRendererCompositorFrameSink(
renderer_compositor_frame_sink_.get());
}
}
void CefRenderWidgetHostViewOSR::OnPresentCompositorFrame(
uint32_t presentation_token) {
// Is Chromium rendering to a shared texture?
void* shared_texture = nullptr;
ui::Compositor* compositor = GetCompositor();
if (compositor) {
shared_texture = compositor->GetSharedTexture();
}
if (shared_texture) {
CefRefPtr<CefRenderHandler> handler =
browser_impl_->GetClient()->GetRenderHandler();
CHECK(handler);
CefRenderHandler::RectList rcList;
{
// Find the corresponding damage rect. If there isn't one pass the entire
// view size for a full redraw.
base::AutoLock lock_scope(damage_rect_lock_);
gfx::Rect damage;
auto const i = damage_rects_.find(presentation_token);
if (i != damage_rects_.end()) {
damage = i->second;
} else {
damage = GetViewBounds();
}
rcList.push_back(
CefRect(damage.x(), damage.y(), damage.width(), damage.height()));
}
handler->OnAcceleratedPaint(browser_impl_.get(),
IsPopupWidget() ? PET_POPUP : PET_VIEW, rcList,
shared_texture);
}
}
void CefRenderWidgetHostViewOSR::AddDamageRect(uint32_t presentation_token,
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_[presentation_token] = rect;
}
void CefRenderWidgetHostViewOSR::SubmitCompositorFrame(
const viz::LocalSurfaceId& local_surface_id,
viz::CompositorFrame frame,
base::Optional<viz::HitTestRegionList> hit_test_region_list) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::OnSwapCompositorFrame");
// Update the frame rate. At this point we should have a valid connection back
// to the Synthetic Frame Source, which is important so we can actually modify
// the frame rate to something other than the default of 60Hz.
if (sync_frame_rate_) {
if (frame_rate_threshold_us_ != 0) {
// TODO(cef): Figure out how to set the VSync interval. See issue #2517.
}
sync_frame_rate_ = false;
}
if (frame.metadata.root_scroll_offset != last_scroll_offset_) {
last_scroll_offset_ = frame.metadata.root_scroll_offset;
if (!is_scroll_offset_changed_pending_) {
// Send the notification asnychronously.
CEF_POST_TASK(
CEF_UIT,
base::Bind(&CefRenderWidgetHostViewOSR::OnScrollOffsetChanged,
weak_ptr_factory_.GetWeakPtr()));
}
}
if (!frame.render_pass_list.empty()) {
if (software_output_device_) {
if (!begin_frame_timer_.get()) {
// If BeginFrame scheduling is enabled SoftwareOutputDevice activity
// will be controlled via OnSetNeedsBeginFrames. Otherwise, activate
// the SoftwareOutputDevice now (when the first frame is generated).
software_output_device_->SetActive(true);
}
// The compositor will draw directly to the SoftwareOutputDevice which
// then calls OnPaint.
// We would normally call BrowserCompositorMac::SubmitCompositorFrame on
// macOS, however it contains compositor resize logic that we don't want.
// Consequently we instead call the SwapDelegatedFrame method directly.
GetDelegatedFrameHost()->SubmitCompositorFrame(
local_surface_id, std::move(frame), std::move(hit_test_region_list));
} else {
ui::Compositor* compositor = GetCompositor();
if (!compositor)
return;
// Will be nullptr if we're not using shared textures.
const void* shared_texture = compositor->GetSharedTexture();
// Determine the damage rectangle for the current frame. This is the
// same calculation that SwapDelegatedFrame uses.
viz::RenderPass* root_pass = frame.render_pass_list.back().get();
gfx::Size frame_size = root_pass->output_rect.size();
gfx::Rect damage_rect =
gfx::ToEnclosingRect(gfx::RectF(root_pass->damage_rect));
damage_rect.Intersect(gfx::Rect(frame_size));
if (shared_texture) {
// Indicate that we want feedback every frame.
if (!++presentation_token_)
++presentation_token_;
AddDamageRect(presentation_token_, damage_rect);
frame.metadata.frame_token = presentation_token_;
frame.metadata.request_presentation_feedback = true;
}
// We would normally call BrowserCompositorMac::SubmitCompositorFrame on
// macOS, however it contains compositor resize logic that we don't
// want. Consequently we instead call the SwapDelegatedFrame method
// directly.
GetDelegatedFrameHost()->SubmitCompositorFrame(
local_surface_id, std::move(frame), std::move(hit_test_region_list));
if (!shared_texture) {
if (!copy_frame_generator_.get()) {
copy_frame_generator_.reset(
new CefCopyFrameGenerator(frame_rate_threshold_us_, this));
}
// Request a copy of the last compositor frame which will eventually
// call OnPaint asynchronously.
copy_frame_generator_->GenerateCopyFrame(damage_rect);
}
}
}
}
void CefRenderWidgetHostViewOSR::ClearCompositorFrame() {
// This method is only used for content rendering timeout when surface sync is
// off.
NOTREACHED();
}
void CefRenderWidgetHostViewOSR::ResetFallbackToFirstNavigationSurface() {
GetDelegatedFrameHost()->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);
popup_position_ = pos;
CefRect widget_pos(pos.x(), pos.y(), pos.width(), pos.height());
if (handler.get())
handler->OnPopupSize(browser_impl_.get(), widget_pos);
ResizeRootLayer(false);
Show();
}
void CefRenderWidgetHostViewOSR::InitAsFullscreen(
content::RenderWidgetHostView* reference_host_view) {
NOTREACHED() << "Fullscreen widgets are not supported in OSR";
}
// Called for the "platform view" created by WebContentsViewGuest and owned by
// RenderWidgetHostViewGuest.
void CefRenderWidgetHostViewOSR::InitAsGuest(
content::RenderWidgetHostView* parent_host_view,
content::RenderWidgetHostViewGuest* guest_view) {
DCHECK_EQ(parent_host_view_, parent_host_view);
DCHECK(browser_impl_);
parent_host_view_->AddGuestHostView(this);
parent_host_view_->RegisterGuestViewFrameSwappedCallback(guest_view);
}
void CefRenderWidgetHostViewOSR::UpdateCursor(
const content::WebCursor& cursor) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::UpdateCursor");
if (!browser_impl_.get())
return;
CefRefPtr<CefRenderHandler> handler =
browser_impl_->GetClient()->GetRenderHandler();
CHECK(handler);
content::CursorInfo cursor_info;
cursor.GetCursorInfo(&cursor_info);
const cef_cursor_type_t cursor_type =
static_cast<cef_cursor_type_t>(cursor_info.type);
CefCursorInfo custom_cursor_info;
if (cursor.IsCustom()) {
custom_cursor_info.hotspot.x = cursor_info.hotspot.x();
custom_cursor_info.hotspot.y = cursor_info.hotspot.y();
custom_cursor_info.image_scale_factor = cursor_info.image_scale_factor;
custom_cursor_info.buffer = cursor_info.custom_image.getPixels();
custom_cursor_info.size.width = cursor_info.custom_image.width();
custom_cursor_info.size.height = cursor_info.custom_image.height();
}
#if defined(USE_AURA)
content::WebCursor web_cursor = cursor;
ui::PlatformCursor platform_cursor;
if (web_cursor.IsCustom()) {
ui::Cursor ui_cursor(ui::CursorType::kCustom);
SkBitmap bitmap;
gfx::Point hotspot;
float scale_factor;
web_cursor.CreateScaledBitmapAndHotspotFromCustomData(&bitmap, &hotspot,
&scale_factor);
ui_cursor.set_custom_bitmap(bitmap);
ui_cursor.set_custom_hotspot(hotspot);
ui_cursor.set_device_scale_factor(scale_factor);
// |web_cursor| owns the resulting |platform_cursor|.
platform_cursor = web_cursor.GetPlatformCursor(ui_cursor);
} else {
platform_cursor = GetPlatformCursor(cursor_info.type);
}
handler->OnCursorChange(browser_impl_.get(), platform_cursor, cursor_type,
custom_cursor_info);
#elif defined(OS_MACOSX)
// |web_cursor| owns the resulting |native_cursor|.
content::WebCursor web_cursor = cursor;
CefCursorHandle native_cursor = web_cursor.GetNativeCursor();
handler->OnCursorChange(browser_impl_.get(), native_cursor, cursor_type,
custom_cursor_info);
#else
// TODO(port): Implement this method to work on other platforms as part of
// off-screen rendering support.
NOTREACHED();
#endif
}
content::CursorManager* CefRenderWidgetHostViewOSR::GetCursorManager() {
return cursor_manager_.get();
}
void CefRenderWidgetHostViewOSR::SetIsLoading(bool is_loading) {}
void CefRenderWidgetHostViewOSR::RenderProcessGone(
base::TerminationStatus status,
int error_code) {
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::SetTooltipText(
const base::string16& 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() const {
return gfx::ScaleToCeiledSize(GetRequestedRendererSize(),
current_device_scale_factor_);
}
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) {
GetDelegatedFrameHost()->CopyFromCompositingSurface(src_rect, output_size,
std::move(callback));
}
void CefRenderWidgetHostViewOSR::GetScreenInfo(
content::ScreenInfo* results) const {
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();
}
viz::SurfaceId CefRenderWidgetHostViewOSR::GetCurrentSurfaceId() const {
return GetDelegatedFrameHost()
? GetDelegatedFrameHost()->GetCurrentSurfaceId()
: viz::SurfaceId();
}
content::BrowserAccessibilityManager*
CefRenderWidgetHostViewOSR::CreateBrowserAccessibilityManager(
content::BrowserAccessibilityDelegate* delegate,
bool for_root_frame) {
return NULL;
}
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,
line.color, line.background_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 base::string16& 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);
}
#if !defined(OS_MACOSX)
const viz::LocalSurfaceIdAllocation&
CefRenderWidgetHostViewOSR::GetLocalSurfaceIdAllocation() const {
return local_surface_id_allocation_;
}
#endif
const viz::FrameSinkId& CefRenderWidgetHostViewOSR::GetFrameSinkId() const {
return GetDelegatedFrameHost()->frame_sink_id();
}
void CefRenderWidgetHostViewOSR::SetNeedsBeginFrames(bool enabled) {
SetFrameRate();
if (!external_begin_frame_enabled_) {
// Start/stop the timer that sends BeginFrame requests.
begin_frame_timer_->SetActive(enabled);
}
if (software_output_device_) {
// When the SoftwareOutputDevice is active it will call OnPaint for each
// frame. If the SoftwareOutputDevice is deactivated while an invalidation
// region is pending it will call OnPaint immediately.
software_output_device_->SetActive(enabled);
}
}
void CefRenderWidgetHostViewOSR::SetWantsAnimateOnlyBeginFrames() {
if (GetDelegatedFrameHost()) {
GetDelegatedFrameHost()->SetWantsAnimateOnlyBeginFrames();
}
}
bool CefRenderWidgetHostViewOSR::TransformPointToLocalCoordSpaceLegacy(
const gfx::PointF& point,
const viz::SurfaceId& original_surface,
gfx::PointF* transformed_point) {
// Transformations use physical pixels rather than DIP, so conversion
// is necessary.
gfx::PointF point_in_pixels =
gfx::ConvertPointToPixel(current_device_scale_factor_, point);
if (!GetDelegatedFrameHost()->TransformPointToLocalCoordSpaceLegacy(
point_in_pixels, original_surface, transformed_point)) {
return false;
}
*transformed_point =
gfx::ConvertPointToDIP(current_device_scale_factor_, *transformed_point);
return true;
}
bool CefRenderWidgetHostViewOSR::TransformPointToCoordSpaceForView(
const gfx::PointF& point,
RenderWidgetHostViewBase* target_view,
gfx::PointF* transformed_point,
viz::EventSource source) {
if (target_view == this) {
*transformed_point = point;
return true;
}
return false;
}
void CefRenderWidgetHostViewOSR::DidNavigate() {
// With surface synchronization enabled we need to force synchronization on
// first navigation.
ResizeRootLayer(true);
#if defined(OS_MACOSX)
browser_compositor_->DidNavigate();
#else
if (delegated_frame_host_)
delegated_frame_host_->DidNavigate();
#endif
}
void CefRenderWidgetHostViewOSR::OnDisplayDidFinishFrame(
const viz::BeginFrameAck& /*ack*/) {
// TODO(cef): is there something we need to track with this notification?
}
void CefRenderWidgetHostViewOSR::OnNeedsExternalBeginFrames(
bool needs_begin_frames) {
needs_external_begin_frames_ = needs_begin_frames;
}
std::unique_ptr<viz::SoftwareOutputDevice>
CefRenderWidgetHostViewOSR::CreateSoftwareOutputDevice(
ui::Compositor* compositor) {
DCHECK_EQ(GetCompositor(), compositor);
DCHECK(!copy_frame_generator_);
DCHECK(!software_output_device_);
software_output_device_ = new CefSoftwareOutputDeviceOSR(
compositor, background_color_ == SK_ColorTRANSPARENT,
base::Bind(&CefRenderWidgetHostViewOSR::OnPaint,
weak_ptr_factory_.GetWeakPtr()));
return base::WrapUnique(software_output_device_);
}
bool CefRenderWidgetHostViewOSR::InstallTransparency() {
if (background_color_ == SK_ColorTRANSPARENT) {
SetBackgroundColor(background_color_);
#if defined(OS_MACOSX)
browser_compositor_->SetBackgroundColor(background_color_);
#else
compositor_->SetBackgroundColor(background_color_);
#endif
return true;
}
return false;
}
void CefRenderWidgetHostViewOSR::SynchronizeVisualProperties() {
if (hold_resize_) {
if (!pending_resize_)
pending_resize_ = true;
return;
}
ResizeRootLayer(false);
}
void CefRenderWidgetHostViewOSR::OnScreenInfoChanged() {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::OnScreenInfoChanged");
if (!render_widget_host_)
return;
// TODO(OSR): Update the backing store.
if (render_widget_host_->delegate())
render_widget_host_->delegate()->SendScreenRects();
else
render_widget_host_->SendScreenRects();
#if defined(OS_MACOSX)
// RenderWidgetHostImpl will query BrowserCompositorMac for the dimensions
// to send to the renderer, so it is required that BrowserCompositorMac be
// updated first. Only notify RenderWidgetHostImpl of the update if any
// properties it will query have changed.
if (UpdateNSViewAndDisplay())
render_widget_host_->NotifyScreenInfoChanged();
#else
render_widget_host_->NotifyScreenInfoChanged();
#endif
// 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(GetCompositorViewportPixelSize()));
}
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 (renderer_compositor_frame_sink_) {
GetCompositor()->IssueExternalBeginFrame(begin_frame_args);
renderer_compositor_frame_sink_->OnBeginFrame(begin_frame_args, {});
}
if (!IsPopupWidget() && popup_host_view_) {
popup_host_view_->SendExternalBeginFrame();
}
}
void CefRenderWidgetHostViewOSR::SendKeyEvent(
const content::NativeWebKeyboardEvent& event) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::SendKeyEvent");
if (render_widget_host_ && render_widget_host_->GetView()) {
// Direct routing requires that events go directly to the View.
render_widget_host_->ForwardKeyboardEventWithLatencyInfo(
event, ui::LatencyInfo(event.GetType() == blink::WebInputEvent::kChar ||
event.GetType() ==
blink::WebInputEvent::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::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()) {
// Direct routing requires that mouse events go directly to the View.
render_widget_host_->GetView()->ProcessMouseEvent(
event, ui::LatencyInfo(ui::SourceEventType::OTHER));
}
}
void CefRenderWidgetHostViewOSR::SendMouseWheelEvent(
const blink::WebMouseWheelEvent& event) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::SendMouseWheelEvent");
blink::WebMouseWheelEvent mouse_wheel_event(event);
mouse_wheel_phase_handler_.SendWheelEndForTouchpadScrollingIfNeeded();
mouse_wheel_phase_handler_.AddPhaseIfNeededAndScheduleEndEvent(
mouse_wheel_event, false);
if (!IsPopupWidget()) {
if (browser_impl_.get())
browser_impl_->CancelContextMenu();
if (popup_host_view_) {
if (popup_host_view_->popup_position_.Contains(
mouse_wheel_event.PositionInWidget().x,
mouse_wheel_event.PositionInWidget().y)) {
blink::WebMouseWheelEvent popup_mouse_wheel_event(mouse_wheel_event);
popup_mouse_wheel_event.SetPositionInWidget(
mouse_wheel_event.PositionInWidget().x -
popup_host_view_->popup_position_.x(),
mouse_wheel_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::Bind(&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(mouse_wheel_event.PositionInWidget().x,
mouse_wheel_event.PositionInWidget().y)) {
blink::WebMouseWheelEvent guest_mouse_wheel_event(mouse_wheel_event);
guest_mouse_wheel_event.SetPositionInWidget(
mouse_wheel_event.PositionInWidget().x - guest_bounds.x(),
mouse_wheel_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()) {
// Direct routing requires that mouse events go directly to the View.
render_widget_host_->GetView()->ProcessMouseWheelEvent(
mouse_wheel_event, ui::LatencyInfo(ui::SourceEventType::WHEEL));
}
}
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::UpdateFrameRate() {
frame_rate_threshold_us_ = 0;
SetFrameRate();
// Notify the guest hosts if any.
for (auto guest_host_view : guest_host_views_)
guest_host_view->UpdateFrameRate();
}
void CefRenderWidgetHostViewOSR::HoldResize() {
if (!hold_resize_)
hold_resize_ = true;
}
void CefRenderWidgetHostViewOSR::ReleaseResize() {
if (!hold_resize_)
return;
hold_resize_ = false;
if (pending_resize_) {
pending_resize_ = false;
CEF_POST_TASK(
CEF_UIT,
base::Bind(&CefRenderWidgetHostViewOSR::SynchronizeVisualProperties,
weak_ptr_factory_.GetWeakPtr()));
}
}
void CefRenderWidgetHostViewOSR::OnPaint(const gfx::Rect& damage_rect,
int bitmap_width,
int bitmap_height,
void* bitmap_pixels) {
TRACE_EVENT0("cef", "CefRenderWidgetHostViewOSR::OnPaint");
CefRefPtr<CefRenderHandler> handler =
browser_impl_->client()->GetRenderHandler();
CHECK(handler);
// Don't execute SynchronizeVisualProperties while the OnPaint callback is
// pending.
HoldResize();
gfx::Rect rect_in_bitmap(0, 0, bitmap_width, bitmap_height);
rect_in_bitmap.Intersect(damage_rect);
CefRenderHandler::RectList rcList;
rcList.push_back(CefRect(rect_in_bitmap.x(), rect_in_bitmap.y(),
rect_in_bitmap.width(), rect_in_bitmap.height()));
handler->OnPaint(browser_impl_.get(), IsPopupWidget() ? PET_POPUP : PET_VIEW,
rcList, bitmap_pixels, bitmap_width, bitmap_height);
ReleaseResize();
}
#if !defined(OS_MACOSX)
ui::Compositor* CefRenderWidgetHostViewOSR::GetCompositor() const {
return compositor_.get();
}
ui::Layer* CefRenderWidgetHostViewOSR::GetRootLayer() const {
return root_layer_.get();
}
content::DelegatedFrameHost* CefRenderWidgetHostViewOSR::GetDelegatedFrameHost()
const {
return delegated_frame_host_.get();
}
#endif // !defined(OS_MACOSX)
void CefRenderWidgetHostViewOSR::SetFrameRate() {
CefRefPtr<CefBrowserHostImpl> 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;
ui::Compositor* compositor = GetCompositor();
int frame_rate;
if (compositor && compositor->shared_texture_enabled()) {
// No upper-bound when using OnAcceleratedPaint.
frame_rate = browser->settings().windowless_frame_rate;
if (frame_rate <= 0) {
frame_rate = 1;
}
sync_frame_rate_ = true;
} else {
frame_rate =
osr_util::ClampFrameRate(browser->settings().windowless_frame_rate);
}
frame_rate_threshold_us_ = 1000000 / frame_rate;
if (compositor) {
// TODO(cef): Figure out how to set the VSync interval. See issue #2517.
}
if (copy_frame_generator_.get()) {
copy_frame_generator_->set_frame_rate_threshold_us(
frame_rate_threshold_us_);
}
if (!external_begin_frame_enabled_) {
if (begin_frame_timer_.get()) {
begin_frame_timer_->SetFrameRateThresholdUs(frame_rate_threshold_us_);
} else {
begin_frame_timer_.reset(new CefBeginFrameTimer(
frame_rate_threshold_us_,
base::Bind(&CefRenderWidgetHostViewOSR::OnBeginFrameTimerTick,
weak_ptr_factory_.GetWeakPtr())));
}
}
}
void CefRenderWidgetHostViewOSR::SetDeviceScaleFactor() {
float new_scale_factor = kDefaultScaleFactor;
if (browser_impl_.get()) {
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)) {
new_scale_factor = screen_info.device_scale_factor;
}
}
current_device_scale_factor_ = 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;
if (rwhi->GetView())
rwhi->GetView()->set_current_device_scale_factor(new_scale_factor);
}
}
void CefRenderWidgetHostViewOSR::ResizeRootLayer(bool force) {
SetFrameRate();
const float orgScaleFactor = current_device_scale_factor_;
SetDeviceScaleFactor();
const bool scaleFactorDidChange =
(orgScaleFactor != current_device_scale_factor_);
gfx::Size size;
if (!IsPopupWidget())
size = GetViewBounds().size();
else
size = popup_position_.size();
if (!force && !scaleFactorDidChange &&
size == GetRootLayer()->bounds().size()) {
return;
}
GetRootLayer()->SetBounds(gfx::Rect(size));
#if defined(OS_MACOSX)
bool resized = UpdateNSViewAndDisplay();
#else
const gfx::Size& size_in_pixels =
gfx::ConvertSizeToPixel(current_device_scale_factor_, size);
local_surface_id_allocator_.GenerateId();
local_surface_id_allocation_ =
local_surface_id_allocator_.GetCurrentLocalSurfaceIdAllocation();
if (GetCompositor()) {
GetCompositor()->SetScaleAndSize(current_device_scale_factor_,
size_in_pixels,
local_surface_id_allocation_);
}
PlatformResizeCompositorWidget(size_in_pixels);
bool resized = true;
GetDelegatedFrameHost()->EmbedSurface(
local_surface_id_allocation_.local_surface_id(), size,
cc::DeadlinePolicy::UseDefaultDeadline());
#endif // !defined(OS_MACOSX)
// Note that |render_widget_host_| will retrieve resize parameters from the
// DelegatedFrameHost, so it must have SynchronizeVisualProperties called
// after.
if (resized && render_widget_host_)
render_widget_host_->SynchronizeVisualProperties();
}
void CefRenderWidgetHostViewOSR::OnBeginFrameTimerTick() {
const base::TimeTicks frame_time = base::TimeTicks::Now();
const base::TimeDelta vsync_period =
base::TimeDelta::FromMicroseconds(frame_rate_threshold_us_);
SendBeginFrame(frame_time, vsync_period);
}
void CefRenderWidgetHostViewOSR::SendBeginFrame(base::TimeTicks frame_time,
base::TimeDelta vsync_period) {
TRACE_EVENT1("cef", "CefRenderWidgetHostViewOSR::SendBeginFrame",
"frame_time_us", frame_time.ToInternalValue());
base::TimeTicks display_time = frame_time + vsync_period;
// TODO(brianderson): Use adaptive draw-time estimation.
base::TimeDelta estimated_browser_composite_time =
base::TimeDelta::FromMicroseconds(
(1.0f * base::Time::kMicrosecondsPerSecond) / (3.0f * 60));
base::TimeTicks deadline = display_time - estimated_browser_composite_time;
const viz::BeginFrameArgs& begin_frame_args = viz::BeginFrameArgs::Create(
BEGINFRAME_FROM_HERE, begin_frame_source_.source_id(),
begin_frame_number_, frame_time, deadline, vsync_period,
viz::BeginFrameArgs::NORMAL);
DCHECK(begin_frame_args.IsValid());
begin_frame_number_++;
if (renderer_compositor_frame_sink_) {
renderer_compositor_frame_sink_->OnBeginFrame(begin_frame_args, {});
}
}
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_ = NULL;
}
if (parent_host_view_) {
if (parent_host_view_->popup_host_view_ == this) {
parent_host_view_->set_popup_host_view(NULL);
} else if (parent_host_view_->child_host_view_ == this) {
parent_host_view_->set_child_host_view(NULL);
// Start rendering the parent view again.
parent_host_view_->Show();
} else {
parent_host_view_->RemoveGuestHostView(this);
}
parent_host_view_ = NULL;
}
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::RegisterGuestViewFrameSwappedCallback(
content::RenderWidgetHostViewGuest* guest_host_view) {
guest_host_view->RegisterFrameSwappedCallback(base::BindOnce(
&CefRenderWidgetHostViewOSR::OnGuestViewFrameSwapped,
weak_ptr_factory_.GetWeakPtr(), base::Unretained(guest_host_view)));
guest_host_view->set_current_device_scale_factor(
current_device_scale_factor_);
}
void CefRenderWidgetHostViewOSR::OnGuestViewFrameSwapped(
content::RenderWidgetHostViewGuest* guest_host_view) {
InvalidateInternal(gfx::ConvertRectToPixel(current_device_scale_factor_,
guest_host_view->GetViewBounds()));
RegisterGuestViewFrameSwappedCallback(guest_host_view);
}
void CefRenderWidgetHostViewOSR::InvalidateInternal(
const gfx::Rect& bounds_in_pixels) {
if (software_output_device_) {
software_output_device_->OnPaint(bounds_in_pixels);
} else if (copy_frame_generator_.get()) {
copy_frame_generator_->GenerateCopyFrame(bounds_in_pixels);
}
}
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(
bool is_guest_view_hack) {
// GuestViews have two RenderWidgetHostViews and so we need to make sure
// we don't have FrameSinkId collisions.
// The FrameSinkId generated here must be unique with FrameSinkId allocated
// in ContextFactoryPrivate.
content::ImageTransportFactory* factory =
content::ImageTransportFactory::GetInstance();
return is_guest_view_hack
? factory->GetContextFactoryPrivate()->AllocateFrameSinkId()
: viz::FrameSinkId(base::checked_cast<uint32_t>(
render_widget_host_->GetProcess()->GetID()),
base::checked_cast<uint32_t>(
render_widget_host_->GetRoutingID()));
}
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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