[ios] Decouples ToolsMenuViewToolsCell from ToolsMenuVC

ios/chrome/browser/ui/tools_menu/tools_menu_view_tools_cell.mm

+// Copyright 2017 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.
+
+#import "ios/chrome/browser/ui/tools_menu/tools_menu_view_tools_cell.h"
+
+#include "base/mac/objc_property_releaser.h"
+#include "components/strings/grit/components_strings.h"
+#include "ios/chrome/browser/ui/commands/ios_command_ids.h"
+#include "ios/chrome/browser/ui/rtl_geometry.h"
+#include "ios/chrome/browser/ui/toolbar/toolbar_resource_macros.h"
+#import "ios/chrome/browser/ui/uikit_ui_util.h"
+#include "ios/chrome/grit/ios_strings.h"
+
+// TODO(crbug.com/228521): Remove this once the new command/metric handling is
+// implemented. This is a temporary workaround to allow metrics recording to
+// distinguish the action. The value used is in the dynamic range (<
+// IDC_MinimumLabelValue) to avoid collisions.
+#define IDC_TEMP_EDIT_BOOKMARK 3900
+
+@implementation ToolsMenuViewToolsCell {
+  base::mac::ObjCPropertyReleaser _propertyReleaser_ToolsMenuViewToolsCell;
+}
+
+@synthesize reloadButton = _reloadButton;
+@synthesize shareButton = _shareButton;
+@synthesize starButton = _starButton;
+@synthesize starredButton = _starredButton;
+@synthesize stopButton = _stopButton;
+@synthesize toolsButton = _toolsButton;
+
+- (instancetype)initWithCoder:(NSCoder*)aDecoder {
+  self = [super initWithCoder:aDecoder];
+  if (self)
+    [self commonInitialization];
+
+  return self;
+}
+
+- (instancetype)initWithFrame:(CGRect)frame {
+  self = [super initWithFrame:frame];
+  if (self)
+    [self commonInitialization];
+
+  return self;
+}
+
+- (void)commonInitialization {
+  _propertyReleaser_ToolsMenuViewToolsCell.Init(self,
+                                                [ToolsMenuViewToolsCell class]);
+
+  [self setBackgroundColor:[UIColor whiteColor]];
+  [self setOpaque:YES];
+
+  int star[2][3] = TOOLBAR_IDR_TWO_STATE(STAR);
+  _starButton = [self newButtonForImageIds:star
+                                 commandID:IDC_BOOKMARK_PAGE
+                      accessibilityLabelID:IDS_BOOKMARK_ADD_EDITOR_TITLE
+                            automationName:@"Add Bookmark"];
+
+  int star_pressed[2][3] = TOOLBAR_IDR_ONE_STATE(STAR_PRESSED);
+  _starredButton = [self newButtonForImageIds:star_pressed
+                                    commandID:IDC_TEMP_EDIT_BOOKMARK
+                         accessibilityLabelID:IDS_IOS_TOOLS_MENU_EDIT_BOOKMARK
+                               automationName:@"Edit Bookmark"];
+
+  int reload[2][3] = TOOLBAR_IDR_TWO_STATE(RELOAD);
+  _reloadButton = [self newButtonForImageIds:reload
+                                   commandID:IDC_RELOAD
+                        accessibilityLabelID:IDS_IOS_ACCNAME_RELOAD
+                              automationName:@"Reload"
+                               reverseForRTL:YES];
+
+  int stop[2][3] = TOOLBAR_IDR_TWO_STATE(STOP);
+  _stopButton = [self newButtonForImageIds:stop
+                                 commandID:IDC_STOP
+                      accessibilityLabelID:IDS_IOS_ACCNAME_STOP
+                            automationName:@"Stop"];
+
+  int share[2][3] = TOOLBAR_IDR_THREE_STATE(SHARE);
+  _shareButton = [self newButtonForImageIds:share
+                                  commandID:IDC_SHARE_PAGE
+                       accessibilityLabelID:IDS_IOS_TOOLS_MENU_SHARE
+                             automationName:@"Stop"];
+  int tools[2][3] = TOOLBAR_IDR_ONE_STATE(TOOLS_PRESSED);
+  _toolsButton =
+      [self newButtonForImageIds:tools
+                       commandID:IDC_SHOW_TOOLS_MENU
+            accessibilityLabelID:IDS_IOS_TOOLBAR_CLOSE_MENU
+                  automationName:@"kToolbarToolsMenuButtonIdentifier"];
+
+  UIView* contentView = [self contentView];
+  [contentView setBackgroundColor:[self backgroundColor]];
+  [contentView setOpaque:YES];
+
+  [contentView addSubview:_starredButton];
+  [contentView addSubview:_starButton];
+  [contentView addSubview:_stopButton];
+  [contentView addSubview:_reloadButton];
+  [contentView addSubview:_shareButton];
+
+  [self addConstraints];
+}
+
+- (UIButton*)newButtonForImageIds:(int[2][3])imageIds
+                        commandID:(int)commandID
+             accessibilityLabelID:(int)labelID
+                   automationName:(NSString*)name {
+  return [self newButtonForImageIds:imageIds
+                          commandID:commandID
+               accessibilityLabelID:labelID
+                     automationName:name
+                      reverseForRTL:NO];
+}
+
+- (UIButton*)newButtonForImageIds:(int[2][3])imageIds
+                        commandID:(int)commandID
+             accessibilityLabelID:(int)labelID
+                   automationName:(NSString*)name
+                    reverseForRTL:(BOOL)reverseForRTL {
+  UIButton* button = [[UIButton alloc] initWithFrame:CGRectZero];
+  [button setTranslatesAutoresizingMaskIntoConstraints:NO];
+
+  if (imageIds[0][0]) {
+    [button setImage:NativeReversableImage(imageIds[0][0], reverseForRTL)
+            forState:UIControlStateNormal];
+  }
+  [[button imageView] setContentMode:UIViewContentModeCenter];
+  [button setBackgroundColor:[self backgroundColor]];
+  [button setTag:commandID];
+  [button setOpaque:YES];
+
+  SetA11yLabelAndUiAutomationName(button, labelID, name);
+
+  if (imageIds[0][1]) {
+    UIImage* pressedImage =
+        NativeReversableImage(imageIds[0][1], reverseForRTL);
+    if (pressedImage) {
+      [button setImage:pressedImage forState:UIControlStateHighlighted];
+    }
+  }
+
+  if (imageIds[0][2]) {
+    UIImage* disabledImage =
+        NativeReversableImage(imageIds[0][2], reverseForRTL);
+    if (disabledImage) {
+      [button setImage:disabledImage forState:UIControlStateDisabled];
+    }
+  }
+
+  return button;
+}
+
+- (void)addConstraints {
+  UIView* contentView = [self contentView];
+
+  for (UIButton* button in [self allButtons]) {
+    NSDictionary* view = @{ @"button" : button };
+    NSArray* constraints = @[ @"V:|-(0)-[button]-(0)-|", @"H:[button(==48)]" ];
+    ApplyVisualConstraints(constraints, view, self);
+  }
+
+  NSDictionary* views = @{
+    @"share" : _shareButton,
+    @"star" : _starButton,
+    @"reload" : _reloadButton,
+    @"starred" : _starredButton,
+    @"stop" : _stopButton
+  };
+  // Leading offset is 16, minus the button image inset of 12.
+  NSDictionary* metrics = @{ @"offset" : @4, @"space" : @24 };
+  // clang-format off
+  NSArray* constraints = @[
+    @"H:|-(offset)-[share]-(space)-[star]-(space)-[reload]",
+    @"H:[share]-(space)-[starred]",
+    @"H:[star]-(space)-[stop]"
+  ];
+  // clang-format on
+  ApplyVisualConstraintsWithMetricsAndOptions(
+      constraints, views, metrics, LayoutOptionForRTLSupport(), contentView);
+}
+
+// These should be added in display order, so they are animated in display
+// order.
+- (NSArray*)allButtons {
+  NSMutableArray* allButtons = [NSMutableArray array];
+  if (_shareButton)
+    [allButtons addObject:_shareButton];
+
+  if (_starButton)
+    [allButtons addObject:_starButton];
+
+  if (_starredButton)
+    [allButtons addObject:_starredButton];
+
+  if (_reloadButton)
+    [allButtons addObject:_reloadButton];
+
+  if (_stopButton)
+    [allButtons addObject:_stopButton];
+
+  return allButtons;
+}
+
+@end