zoom_test_utils.cc 2.8 KB

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  1. // Copyright 2015 The Chromium Authors. All rights reserved.
  2. // Use of this source code is governed by a BSD-style license that can be
  3. // found in the LICENSE file.
  4. #include "components/zoom/test/zoom_test_utils.h"
  5. #include "base/bind.h"
  6. #include "base/callback.h"
  7. #include "content/public/test/test_utils.h"
  8. #include "third_party/blink/public/common/page/page_zoom.h"
  9. namespace zoom {
  10. bool operator==(const ZoomController::ZoomChangedEventData& lhs,
  11. const ZoomController::ZoomChangedEventData& rhs) {
  12. return lhs.web_contents == rhs.web_contents &&
  13. blink::PageZoomValuesEqual(lhs.old_zoom_level, rhs.old_zoom_level) &&
  14. blink::PageZoomValuesEqual(lhs.new_zoom_level, rhs.new_zoom_level) &&
  15. lhs.zoom_mode == rhs.zoom_mode &&
  16. lhs.can_show_bubble == rhs.can_show_bubble;
  17. }
  18. namespace {
  19. // Create a predicate for checking equality with the given expected event data.
  20. ZoomChangedWatcher::ZoomEventPred ZoomChangeEqualTo(
  21. const ZoomController::ZoomChangedEventData& expected) {
  22. return base::BindRepeating(
  23. [](const ZoomController::ZoomChangedEventData& lhs,
  24. const ZoomController::ZoomChangedEventData& rhs) {
  25. return lhs == rhs;
  26. },
  27. expected);
  28. }
  29. } // namespace
  30. ZoomChangedWatcher::ZoomChangedWatcher(ZoomController* zoom_controller,
  31. ZoomEventPred predicate)
  32. : zoom_controller_(zoom_controller),
  33. predicate_(predicate),
  34. message_loop_runner_(new content::MessageLoopRunner) {
  35. DCHECK(zoom_controller_);
  36. zoom_controller_->AddObserver(this);
  37. }
  38. ZoomChangedWatcher::ZoomChangedWatcher(content::WebContents* web_contents,
  39. ZoomEventPred predicate)
  40. : ZoomChangedWatcher(ZoomController::FromWebContents(web_contents),
  41. predicate) {}
  42. ZoomChangedWatcher::ZoomChangedWatcher(
  43. ZoomController* zoom_controller,
  44. const ZoomController::ZoomChangedEventData& expected_event_data)
  45. : ZoomChangedWatcher(zoom_controller,
  46. ZoomChangeEqualTo(expected_event_data)) {}
  47. ZoomChangedWatcher::ZoomChangedWatcher(
  48. content::WebContents* web_contents,
  49. const ZoomController::ZoomChangedEventData& expected_event_data)
  50. : ZoomChangedWatcher(web_contents, ZoomChangeEqualTo(expected_event_data)) {
  51. }
  52. ZoomChangedWatcher::~ZoomChangedWatcher() {
  53. zoom_controller_->RemoveObserver(this);
  54. }
  55. void ZoomChangedWatcher::Wait() {
  56. if (!change_received_)
  57. message_loop_runner_->Run();
  58. }
  59. void ZoomChangedWatcher::OnZoomChanged(
  60. const ZoomController::ZoomChangedEventData& event_data) {
  61. DCHECK_EQ(zoom_controller_->web_contents(), event_data.web_contents);
  62. if (predicate_.Run(event_data)) {
  63. change_received_ = true;
  64. if (message_loop_runner_->loop_running())
  65. message_loop_runner_->Quit();
  66. }
  67. }
  68. } // namespace zoom