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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/zoom/test/zoom_test_utils.h"
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "content/public/test/test_utils.h"
#include "third_party/blink/public/common/page/page_zoom.h"
namespace zoom {
bool operator==(const ZoomController::ZoomChangedEventData& lhs,
const ZoomController::ZoomChangedEventData& rhs) {
return lhs.web_contents == rhs.web_contents &&
blink::ZoomValuesEqual(lhs.old_zoom_level, rhs.old_zoom_level) &&
blink::ZoomValuesEqual(lhs.new_zoom_level, rhs.new_zoom_level) &&
lhs.zoom_mode == rhs.zoom_mode &&
lhs.can_show_bubble == rhs.can_show_bubble;
}
namespace {
// Create a predicate for checking equality with the given expected event data.
ZoomChangedWatcher::ZoomEventPred ZoomChangeEqualTo(
const ZoomController::ZoomChangedEventData& expected) {
return base::BindRepeating(
[](const ZoomController::ZoomChangedEventData& lhs,
const ZoomController::ZoomChangedEventData& rhs) {
return lhs == rhs;
},
expected);
}
} // namespace
ZoomChangedWatcher::ZoomChangedWatcher(ZoomController* zoom_controller,
ZoomEventPred predicate)
: zoom_controller_(zoom_controller),
predicate_(predicate),
message_loop_runner_(new content::MessageLoopRunner) {
DCHECK(zoom_controller_);
zoom_observation_.Observe(zoom_controller_);
}
ZoomChangedWatcher::ZoomChangedWatcher(content::WebContents* web_contents,
ZoomEventPred predicate)
: ZoomChangedWatcher(ZoomController::FromWebContents(web_contents),
predicate) {}
ZoomChangedWatcher::ZoomChangedWatcher(
ZoomController* zoom_controller,
const ZoomController::ZoomChangedEventData& expected_event_data)
: ZoomChangedWatcher(zoom_controller,
ZoomChangeEqualTo(expected_event_data)) {}
ZoomChangedWatcher::ZoomChangedWatcher(
content::WebContents* web_contents,
const ZoomController::ZoomChangedEventData& expected_event_data)
: ZoomChangedWatcher(web_contents, ZoomChangeEqualTo(expected_event_data)) {
}
ZoomChangedWatcher::~ZoomChangedWatcher() {
zoom_controller_->RemoveObserver(this);
}
void ZoomChangedWatcher::Wait() {
if (!change_received_)
message_loop_runner_->Run();
}
void ZoomChangedWatcher::OnZoomControllerDestroyed(
zoom::ZoomController* zoom_controller) {
zoom_observation_.Reset();
}
void ZoomChangedWatcher::OnZoomChanged(
const ZoomController::ZoomChangedEventData& event_data) {
DCHECK_EQ(zoom_controller_->web_contents(), event_data.web_contents);
if (predicate_.Run(event_data)) {
change_received_ = true;
if (message_loop_runner_->loop_running())
message_loop_runner_->Quit();
}
}
} // namespace zoom
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