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content / public / test / hit_test_region_observer.cc [blame]
// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/public/test/hit_test_region_observer.h"
#include <algorithm>
#include "base/test/test_timeouts.h"
#include "components/viz/common/hit_test/hit_test_query.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "content/browser/compositor/surface_utils.h"
#include "content/browser/renderer_host/render_frame_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_impl.h"
#include "content/browser/renderer_host/render_widget_host_view_base.h"
#include "content/browser/renderer_host/render_widget_host_view_child_frame.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test_utils.h"
namespace content {
void WaitForHitTestData(RenderFrameHost* child_frame) {
RenderWidgetHostViewBase* child_view =
static_cast<RenderFrameHostImpl*>(child_frame)
->GetRenderWidgetHost()
->GetView();
HitTestRegionObserver observer(child_view->GetFrameSinkId());
observer.WaitForHitTestData();
}
void WaitForHitTestData(WebContents* guest_web_contents) {
DCHECK(static_cast<RenderWidgetHostViewBase*>(
guest_web_contents->GetRenderWidgetHostView())
->IsRenderWidgetHostViewChildFrame());
RenderWidgetHostViewChildFrame* child_view =
static_cast<RenderWidgetHostViewChildFrame*>(
guest_web_contents->GetRenderWidgetHostView());
HitTestRegionObserver observer(child_view->GetFrameSinkId());
observer.WaitForHitTestData();
}
HitTestRegionObserver::HitTestRegionObserver(
const viz::FrameSinkId& frame_sink_id)
: frame_sink_id_(frame_sink_id) {
CHECK(frame_sink_id.is_valid());
GetHostFrameSinkManager()->AddHitTestRegionObserver(this);
}
HitTestRegionObserver::~HitTestRegionObserver() {
GetHostFrameSinkManager()->RemoveHitTestRegionObserver(this);
}
void HitTestRegionObserver::WaitForHitTestData() {
DCHECK(cached_hit_test_data_.empty());
for (auto& it : GetHostFrameSinkManager()->GetDisplayHitTestQuery()) {
if (it.second->ContainsActiveFrameSinkId(frame_sink_id_)) {
cached_hit_test_data_ = it.second->GetHitTestData();
return;
}
}
run_loop_ = std::make_unique<base::RunLoop>();
run_loop_->Run();
run_loop_.reset();
}
void HitTestRegionObserver::WaitForHitTestDataChange() {
DCHECK(!cached_hit_test_data_.empty());
for (auto& it : GetHostFrameSinkManager()->GetDisplayHitTestQuery()) {
DCHECK(it.second->ContainsActiveFrameSinkId(frame_sink_id_));
if (it.second->GetHitTestData() != cached_hit_test_data_) {
cached_hit_test_data_ = it.second->GetHitTestData();
return;
}
}
hit_test_data_change_run_loop_ = std::make_unique<base::RunLoop>();
hit_test_data_change_run_loop_->Run();
hit_test_data_change_run_loop_.reset();
}
void HitTestRegionObserver::OnAggregatedHitTestRegionListUpdated(
const viz::FrameSinkId& frame_sink_id,
const std::vector<viz::AggregatedHitTestRegion>& hit_test_data) {
if (hit_test_data_change_run_loop_ &&
cached_hit_test_data_ != hit_test_data) {
cached_hit_test_data_ = hit_test_data;
hit_test_data_change_run_loop_->Quit();
}
if (!run_loop_)
return;
for (auto& it : hit_test_data) {
if (it.frame_sink_id == frame_sink_id_ &&
!(it.flags & viz::HitTestRegionFlags::kHitTestNotActive)) {
run_loop_->Quit();
return;
}
}
}
const std::vector<viz::AggregatedHitTestRegion>&
HitTestRegionObserver::GetHitTestData() {
const auto& hit_test_query_map =
GetHostFrameSinkManager()->GetDisplayHitTestQuery();
const auto iter = hit_test_query_map.find(frame_sink_id_);
CHECK(iter != hit_test_query_map.end());
return iter->second.get()->GetHitTestData();
}
} // namespace content