ui/app_list/cocoa/apps_search_results_model_bridge.mm - Issue 2131463002: Purge the App Launcher code from Mac

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Issue 2131463002: Purge the App Launcher code from Mac (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Zap mac-specific icon assets Created 4 years, 5 months ago

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1 // Copyright 2013 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

5 #import "ui/app_list/cocoa/apps_search_results_model_bridge.h"

6

7 #import <Cocoa/Cocoa.h>

8

9 #include "base/macros.h"

10 #include "base/strings/sys_string_conversions.h"

11 #include "ui/app_list/app_list_model.h"

12 #import "ui/app_list/cocoa/apps_search_results_controller.h"

13 #include "ui/app_list/search_result.h"

14 #include "ui/app_list/search_result_observer.h"

15 #import "ui/base/cocoa/menu_controller.h"

16

17 namespace app_list {

18

19 class AppsSearchResultsModelBridge::ItemObserver : public SearchResultObserver {

20 public:

21 ItemObserver(AppsSearchResultsModelBridge* bridge, size_t index)

22 : bridge_(bridge), row_in_view_(index) {

23 // Cache the result, because the results array is updated before notifying

24 // observers (which happens before deleting the SearchResult).

25 result_ = [bridge_->parent_ results]->GetItemAt(index);

26 result_->AddObserver(this);

27 }

28

29 ~ItemObserver() override { result_->RemoveObserver(this); }

30

31 NSMenu* GetContextMenu() {

32 if (!context_menu_controller_) {

33 ui::MenuModel* menu_model = result_->GetContextMenuModel();

34 if (!menu_model)

35 return nil;

36

37 context_menu_controller_.reset(

38 [[MenuController alloc] initWithModel:menu_model

39 useWithPopUpButtonCell:NO]);

40 }

41 return [context_menu_controller_ menu];

42 }

43

44 // SearchResultObserver overrides:

45 void OnIconChanged() override {

46 bridge_->ReloadDataForItems(row_in_view_, 1);

47 }

48 void OnActionsChanged() override {}

49 void OnIsInstallingChanged() override {}

50 void OnPercentDownloadedChanged() override {}

51 void OnItemInstalled() override {}

52

53 private:

54 AppsSearchResultsModelBridge* bridge_; // Weak. Owns us.

55 SearchResult* result_; // Weak. Owned by AppListModel::SearchResults.

56 size_t row_in_view_;

57 base::scoped_nsobject<MenuController> context_menu_controller_;

58

59 DISALLOW_COPY_AND_ASSIGN(ItemObserver);

60 };

61

62 AppsSearchResultsModelBridge::AppsSearchResultsModelBridge(

63 AppsSearchResultsController* results_controller)

64 : parent_(results_controller) {

65 UpdateItemObservers();

66 [parent_ results]->AddObserver(this);

67 }

68

69 AppsSearchResultsModelBridge::~AppsSearchResultsModelBridge() {

70 [parent_ results]->RemoveObserver(this);

71 }

72

73 NSMenu* AppsSearchResultsModelBridge::MenuForItem(size_t index) {

74 DCHECK_LT(index, item_observers_.size());

75 return item_observers_[index]->GetContextMenu();

76 }

77

78 void AppsSearchResultsModelBridge::UpdateItemObservers() {

79 DCHECK(item_observers_.empty());

80 const size_t itemCount = [parent_ results]->item_count();

81 for (size_t i = 0 ; i < itemCount; ++i)

82 item_observers_.push_back(new ItemObserver(this, i));

83 }

84

85 void AppsSearchResultsModelBridge::ReloadDataForItems(

86 size_t start, size_t count) const {

87 NSIndexSet* column = [NSIndexSet indexSetWithIndex:0];

88 NSIndexSet* rows =

89 [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(start, count)];

90 [[parent_ tableView] reloadDataForRowIndexes:rows

91 columnIndexes:column];

92 }

93

94 void AppsSearchResultsModelBridge::ListItemsAdded(

95 size_t start, size_t count) {

96 item_observers_.clear();

97 if (start == static_cast<size_t>([[parent_ tableView] numberOfRows]))

98 [[parent_ tableView] noteNumberOfRowsChanged];

99 else

100 [[parent_ tableView] reloadData];

101 UpdateItemObservers();

102 }

103

104 void AppsSearchResultsModelBridge::ListItemsRemoved(

105 size_t start, size_t count) {

106 item_observers_.clear();

107 if (start == [parent_ results]->item_count())

108 [[parent_ tableView] noteNumberOfRowsChanged];

109 else

110 [[parent_ tableView] reloadData];

111 UpdateItemObservers();

112 }

113

114 void AppsSearchResultsModelBridge::ListItemMoved(

115 size_t index, size_t target_index) {

116 NOTREACHED();

117 }

118

119 void AppsSearchResultsModelBridge::ListItemsChanged(

120 size_t start, size_t count) {

121 item_observers_.clear();

122 ReloadDataForItems(start, count);

123 UpdateItemObservers();

124 }

125

126 } // namespace app_list

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