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content / test / render_widget_host_visibility_observer.cc [blame]
// Copyright 2021 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/test/render_widget_host_visibility_observer.h"
namespace content {
RenderWidgetHostVisibilityObserver::RenderWidgetHostVisibilityObserver(
RenderWidgetHostImpl* rwhi,
bool expected_visibility_state)
: expected_visibility_state_(expected_visibility_state),
was_observed_(false),
did_fail_(false),
render_widget_(rwhi) {
observation_.Observe(render_widget_.get());
}
RenderWidgetHostVisibilityObserver::~RenderWidgetHostVisibilityObserver() =
default;
bool RenderWidgetHostVisibilityObserver::WaitUntilSatisfied() {
if (!was_observed_)
run_loop_.Run();
observation_.Reset();
return !did_fail_;
}
void RenderWidgetHostVisibilityObserver::RenderWidgetHostVisibilityChanged(
RenderWidgetHost* widget_host,
bool became_visible) {
was_observed_ = true;
did_fail_ = expected_visibility_state_ != became_visible;
run_loop_.Quit();
}
void RenderWidgetHostVisibilityObserver::RenderWidgetHostDestroyed(
RenderWidgetHost* widget_host) {
DCHECK(observation_.IsObservingSource(widget_host));
observation_.Reset();
}
} // namespace content