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- // Copyright 2015 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 "components/zoom/test/zoom_test_utils.h"
- #include "base/bind.h"
- #include "base/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::PageZoomValuesEqual(lhs.old_zoom_level, rhs.old_zoom_level) &&
- blink::PageZoomValuesEqual(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_controller_->AddObserver(this);
- }
- 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::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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