Refactor ChooserBubbleUiController on Mac

chrome/browser/ui/cocoa/website_settings/chooser_bubble_ui_cocoa.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/website_settings/chooser_bubble_ui_cocoa.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_window.h"
 #import "chrome/browser/ui/cocoa/base_bubble_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_utils.h"
-#import "chrome/browser/ui/cocoa/constrained_window/constrained_window_button.h"
+#import "chrome/browser/ui/cocoa/chooser_content_view.h"
 #import "chrome/browser/ui/cocoa/info_bubble_view.h"
 #import "chrome/browser/ui/cocoa/info_bubble_window.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 #include "chrome/browser/ui/website_settings/chooser_bubble_delegate.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/bubble/bubble_controller.h"
 #include "components/url_formatter/elide_url.h"
 #include "content/public/browser/native_web_keyboard_event.h"
-#import "third_party/google_toolbox_for_mac/src/AppKit/GTMUILocalizerAndLayoutTweaker.h"
 #include "ui/base/cocoa/cocoa_base_utils.h"
-#import "ui/base/cocoa/controls/hyperlink_button_cell.h"
 #include "ui/base/cocoa/window_size_constants.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
-namespace {
-
-// Chooser bubble width.
-const CGFloat kChooserBubbleWidth = 320.0f;
-
-// Chooser bubble height.
-const CGFloat kChooserBubbleHeight = 280.0f;
-
-// Distance between the bubble border and the view that is closest to the
-// border.
-const CGFloat kMarginX = 20.0f;
-const CGFloat kMarginY = 20.0f;
-
-// Distance between two views inside the bubble.
-const CGFloat kHorizontalPadding = 10.0f;
-const CGFloat kVerticalPadding = 10.0f;
-
-}  // namespace
-
 std::unique_ptr<BubbleUi> ChooserBubbleDelegate::BuildBubbleUi() {
   return base::WrapUnique(
       new ChooserBubbleUiCocoa(browser_, chooser_controller()));
 }
 
 @interface ChooserBubbleUiController
     : BaseBubbleController<NSTableViewDataSource, NSTableViewDelegate> {
  @private
   // Bridge to the C++ class that created this object.
-  ChooserBubbleUiCocoa* bridge_;
+  ChooserBubbleUiCocoa* bridge_;  // Weak.
+  bool buttonPressed_;
 
-  base::scoped_nsobject<NSTextField> titleView_;
-  base::scoped_nsobject<NSScrollView> scrollView_;
-  base::scoped_nsobject<NSTableColumn> tableColumn_;
-  base::scoped_nsobject<NSTableView> tableView_;
-  base::scoped_nsobject<NSButton> connectButton_;
-  base::scoped_nsobject<NSButton> cancelButton_;
-  base::scoped_nsobject<NSTextField> message_;
-  base::scoped_nsobject<NSButton> getHelpButton_;
-  bool buttonPressed_;
+  base::scoped_nsobject<ChooserContentView> chooserContentView_;
+  NSTableView* tableView_;   // Weak.
+  NSButton* connectButton_;  // Weak.
+  NSButton* cancelButton_;   // Weak.
+  NSButton* helpButton_;     // Weak.
 
   Browser* browser_;                      // Weak.
   ChooserController* chooserController_;  // Weak.
 }
 
 // Designated initializer.  |browser| and |bridge| must both be non-nil.
 - (id)initWithBrowser:(Browser*)browser
     chooserController:(ChooserController*)chooserController
       bubbleReference:(BubbleReference)bubbleReference
                bridge:(ChooserBubbleUiCocoa*)bridge;
@@ skipping 23 matching lines @@
 
 // Update |tableView_| when chooser options changed.
 - (void)updateTableView;
 
 // Determines if the bubble has an anchor in a corner or no anchor at all.
 - (info_bubble::BubbleArrowLocation)getExpectedArrowLocation;
 
 // Returns the expected parent for this bubble.
 - (NSWindow*)getExpectedParentWindow;
 
-// Creates the title for the bubble.
-- (base::scoped_nsobject<NSTextField>)bubbleTitle;
-
-// Creates a button with |title| and |action|.
-- (base::scoped_nsobject<NSButton>)buttonWithTitle:(NSString*)title
-                                            action:(SEL)action;
-
-// Creates the "Connect" button.
-- (base::scoped_nsobject<NSButton>)connectButton;
-
-// Creates the "Cancel" button.
-- (base::scoped_nsobject<NSButton>)cancelButton;
-
-// Creates the message.
-- (base::scoped_nsobject<NSTextField>)message;
-
-// Creates the "Get help" button.
-- (base::scoped_nsobject<NSButton>)getHelpButton;
-
 // Called when the "Connect" button is pressed.
 - (void)onConnect:(id)sender;
 
 // Called when the "Cancel" button is pressed.
 - (void)onCancel:(id)sender;
 
 // Called when the "Get help" button is pressed.
-- (void)onGetHelpPressed:(id)sender;
+- (void)onHelpPressed:(id)sender;
 
 @end
 
 @implementation ChooserBubbleUiController
 
 - (id)initWithBrowser:(Browser*)browser
     chooserController:(ChooserController*)chooserController
       bubbleReference:(BubbleReference)bubbleReference
                bridge:(ChooserBubbleUiCocoa*)bridge {
   DCHECK(browser);
@@ skipping 46 matching lines @@
 - (void)parentWindowDidResize:(NSNotification*)notification {
   [self setAnchorPoint:[self getExpectedAnchorPoint]];
 }
 
 - (void)parentWindowDidMove:(NSNotification*)notification {
   DCHECK(bridge_);
   [self setAnchorPoint:[self getExpectedAnchorPoint]];
 }
 
 - (void)show {
-  NSView* view = [[self window] contentView];
+  chooserContentView_.reset([[ChooserContentView alloc]
+      initWithChooserTitle:
+          l10n_util::GetNSStringF(
+              IDS_CHOOSER_BUBBLE_PROMPT,
+              url_formatter::FormatOriginForSecurityDisplay(
+                  chooserController_->GetOrigin(),
+                  url_formatter::SchemeDisplay::OMIT_CRYPTOGRAPHIC))]);
 
-  // ------------------------------------
-  // | Chooser bubble title             |
-  // | -------------------------------- |
-  // | | option 0                     | |
-  // | | option 1                     | |
-  // | | option 2                     | |
-  // | |                              | |
-  // | |                              | |
-  // | |                              | |
-  // | -------------------------------- |
-  // |           [ Connect ] [ Cancel ] |
-  // |----------------------------------|
-  // | Not seeing your device? Get help |
-  // ------------------------------------
+  tableView_ = [chooserContentView_ tableView];
+  connectButton_ = [chooserContentView_ connectButton];
+  cancelButton_ = [chooserContentView_ cancelButton];
+  helpButton_ = [chooserContentView_ helpButton];
 
-  // Determine the dimensions of the bubble.
-  // Once the height and width are set, the buttons and permission menus can
-  // be laid out correctly.
-  NSRect bubbleFrame =
-      NSMakeRect(0, 0, kChooserBubbleWidth, kChooserBubbleHeight);
-
-  // Create the views.
-  // Title.
-  titleView_ = [self bubbleTitle];
-  CGFloat titleHeight = NSHeight([titleView_ frame]);
-
-  // Connect button.
-  connectButton_ = [self connectButton];
-  CGFloat connectButtonWidth = NSWidth([connectButton_ frame]);
-  CGFloat connectButtonHeight = NSHeight([connectButton_ frame]);
-
-  // Cancel button.
-  cancelButton_ = [self cancelButton];
-  CGFloat cancelButtonWidth = NSWidth([cancelButton_ frame]);
-
-  // Message.
-  message_ = [self message];
-  CGFloat messageWidth = NSWidth([message_ frame]);
-  CGFloat messageHeight = NSHeight([message_ frame]);
-
-  // Get help button.
-  getHelpButton_ = [self getHelpButton];
-
-  // Separator.
-  CGFloat separatorOriginX = 0.0f;
-  CGFloat separatorOriginY = kMarginY + messageHeight + kVerticalPadding;
-  NSBox* separator =
-      [self horizontalSeparatorWithFrame:NSMakeRect(separatorOriginX,
-                                                    separatorOriginY,
-                                                    kChooserBubbleWidth, 0.0f)];
-
-  // ScollView embedding with TableView.
-  CGFloat scrollViewWidth = kChooserBubbleWidth - 2 * kMarginX;
-  CGFloat scrollViewHeight = kChooserBubbleHeight - 2 * kMarginY -
-                             4 * kVerticalPadding - titleHeight -
-                             connectButtonHeight - messageHeight;
-  NSRect scrollFrame = NSMakeRect(
-      kMarginX,
-      kMarginY + messageHeight + 3 * kVerticalPadding + connectButtonHeight,
-      scrollViewWidth, scrollViewHeight);
-  scrollView_.reset([[NSScrollView alloc] initWithFrame:scrollFrame]);
-  [scrollView_ setBorderType:NSBezelBorder];
-  [scrollView_ setHasVerticalScroller:YES];
-  [scrollView_ setHasHorizontalScroller:YES];
-  [scrollView_ setAutohidesScrollers:YES];
-
-  // TableView.
-  tableView_.reset([[NSTableView alloc] initWithFrame:NSZeroRect]);
-  tableColumn_.reset([[NSTableColumn alloc] initWithIdentifier:@""]);
-  [tableColumn_ setWidth:(scrollViewWidth - kMarginX)];
-  [tableView_ addTableColumn:tableColumn_];
+  [connectButton_ setTarget:self];
+  [connectButton_ setAction:@selector(onConnect:)];
+  [cancelButton_ setTarget:self];
+  [cancelButton_ setAction:@selector(onCancel:)];
   [tableView_ setDelegate:self];
   [tableView_ setDataSource:self];
-  // Make the column title invisible.
-  [tableView_ setHeaderView:nil];
-  [tableView_ setFocusRingType:NSFocusRingTypeNone];
+  [helpButton_ setTarget:self];
+  [helpButton_ setAction:@selector(onHelpPressed:)];
 
-  // Lay out the views.
-  // Title.
-  CGFloat titleOriginX = kMarginX;
-  CGFloat titleOriginY = kChooserBubbleHeight - kMarginY - titleHeight;
-  [titleView_ setFrameOrigin:NSMakePoint(titleOriginX, titleOriginY)];
-  [view addSubview:titleView_];
+  [[[self window] contentView] addSubview:chooserContentView_.get()];
 
-  // ScollView.
-  [scrollView_ setDocumentView:tableView_];
-  [view addSubview:scrollView_];
-
-  // Connect button.
-  CGFloat connectButtonOriginX = kChooserBubbleWidth - kMarginX -
-                                 kHorizontalPadding - connectButtonWidth -
-                                 cancelButtonWidth;
-  CGFloat connectButtonOriginY =
-      kMarginY + messageHeight + 2 * kVerticalPadding;
-  [connectButton_
-      setFrameOrigin:NSMakePoint(connectButtonOriginX, connectButtonOriginY)];
-  [connectButton_ setEnabled:NO];
-  [view addSubview:connectButton_];
-
-  // Cancel button.
-  CGFloat cancelButtonOriginX =
-      kChooserBubbleWidth - kMarginX - cancelButtonWidth;
-  CGFloat cancelButtonOriginY = connectButtonOriginY;
-  [cancelButton_
-      setFrameOrigin:NSMakePoint(cancelButtonOriginX, cancelButtonOriginY)];
-  [view addSubview:cancelButton_];
-
-  // Separator.
-  [view addSubview:separator];
-
-  // Message.
-  CGFloat messageOriginX = kMarginX;
-  CGFloat messageOriginY = kMarginY;
-  [message_ setFrameOrigin:NSMakePoint(messageOriginX, messageOriginY)];
-  [view addSubview:message_];
-
-  // Get help button.
-  getHelpButton_ = [self getHelpButton];
-  CGFloat getHelpButtonOriginX =
-      kMarginX + messageWidth - kHorizontalPadding / 2;
-  CGFloat getHelpButtonOriginY = kMarginY;
-  [getHelpButton_
-      setFrameOrigin:NSMakePoint(getHelpButtonOriginX, getHelpButtonOriginY)];
-  [view addSubview:getHelpButton_];
-
-  bubbleFrame = [[self window] frameRectForContentRect:bubbleFrame];
+  NSRect bubbleFrame =
+      [[self window] frameRectForContentRect:[chooserContentView_ frame]];
   if ([[self window] isVisible]) {
     // Unfortunately, calling -setFrame followed by -setFrameOrigin  (called
     // within -setAnchorPoint) causes flickering.  Avoid the flickering by
     // manually adjusting the new frame's origin so that the top left stays the
     // same, and only calling -setFrame.
     NSRect currentWindowFrame = [[self window] frame];
     bubbleFrame.origin = currentWindowFrame.origin;
     bubbleFrame.origin.y = bubbleFrame.origin.y +
                            currentWindowFrame.size.height -
                            bubbleFrame.size.height;
     [[self window] setFrame:bubbleFrame display:YES];
   } else {
     [[self window] setFrame:bubbleFrame display:NO];
     [self setAnchorPoint:[self getExpectedAnchorPoint]];
     [self showWindow:nil];
     [[self window] makeFirstResponder:nil];
-    [[self window] setInitialFirstResponder:tableView_.get()];
+    [[self window] setInitialFirstResponder:tableView_];
   }
 }
 
 - (NSInteger)numberOfRowsInTableView:(NSTableView*)tableView {
   // When there are no devices, the table contains a message saying there are
   // no devices, so the number of rows is always at least 1.
   return std::max(static_cast<NSInteger>(chooserController_->NumOptions()),
                   static_cast<NSInteger>(1));
 }
 
@@ skipping 73 matching lines @@
 
 - (info_bubble::BubbleArrowLocation)getExpectedArrowLocation {
   return [self hasLocationBar] ? info_bubble::kTopLeft : info_bubble::kNoArrow;
 }
 
 - (NSWindow*)getExpectedParentWindow {
   DCHECK(browser_->window());
   return browser_->window()->GetNativeWindow();
 }
 
-- (base::scoped_nsobject<NSTextField>)bubbleTitle {
-  base::scoped_nsobject<NSTextField> titleView(
-      [[NSTextField alloc] initWithFrame:NSZeroRect]);
-  [titleView setDrawsBackground:NO];
-  [titleView setBezeled:NO];
-  [titleView setEditable:NO];
-  [titleView setSelectable:NO];
-  [titleView setStringValue:
-                 l10n_util::GetNSStringF(
-                     IDS_CHOOSER_BUBBLE_PROMPT,
-                     url_formatter::FormatOriginForSecurityDisplay(
-                         chooserController_->GetOrigin(),
-                         url_formatter::SchemeDisplay::OMIT_CRYPTOGRAPHIC))];
-  [titleView setFont:[NSFont systemFontOfSize:[NSFont systemFontSize]]];
-  // The height is arbitrary as it will be adjusted later.
-  [titleView setFrameSize:NSMakeSize(kChooserBubbleWidth - 2 * kMarginX, 0.0f)];
-  [GTMUILocalizerAndLayoutTweaker sizeToFitFixedWidthTextField:titleView];
-  return titleView;
-}
-
-- (base::scoped_nsobject<NSButton>)buttonWithTitle:(NSString*)title
-                                            action:(SEL)action {
-  base::scoped_nsobject<NSButton> button(
-      [[ConstrainedWindowButton alloc] initWithFrame:NSZeroRect]);
-  [button setButtonType:NSMomentaryPushInButton];
-  [button setTitle:title];
-  [button setTarget:self];
-  [button setAction:action];
-  [button sizeToFit];
-  return button;
-}
-
-- (base::scoped_nsobject<NSButton>)connectButton {
-  NSString* connectTitle =
-      l10n_util::GetNSString(IDS_CHOOSER_BUBBLE_CONNECT_BUTTON_TEXT);
-  return [self buttonWithTitle:connectTitle action:@selector(onConnect:)];
-}
-
-- (base::scoped_nsobject<NSButton>)cancelButton {
-  NSString* cancelTitle =
-      l10n_util::GetNSString(IDS_CHOOSER_BUBBLE_CANCEL_BUTTON_TEXT);
-  return [self buttonWithTitle:cancelTitle action:@selector(onCancel:)];
-}
-
-- (base::scoped_nsobject<NSTextField>)message {
-  base::scoped_nsobject<NSTextField> messageView(
-      [[NSTextField alloc] initWithFrame:NSZeroRect]);
-  [messageView setDrawsBackground:NO];
-  [messageView setBezeled:NO];
-  [messageView setEditable:NO];
-  [messageView setSelectable:NO];
-  [messageView
-      setStringValue:l10n_util::GetNSStringF(IDS_CHOOSER_BUBBLE_FOOTNOTE_TEXT,
-                                             base::string16())];
-  [messageView setFont:[NSFont systemFontOfSize:[NSFont systemFontSize]]];
-  [messageView sizeToFit];
-  return messageView;
-}
-
-- (base::scoped_nsobject<NSButton>)getHelpButton {
-  base::scoped_nsobject<NSButton> button(
-      [[NSButton alloc] initWithFrame:NSZeroRect]);
-  base::scoped_nsobject<HyperlinkButtonCell> cell([[HyperlinkButtonCell alloc]
-      initTextCell:l10n_util::GetNSString(
-                       IDS_CHOOSER_BUBBLE_GET_HELP_LINK_TEXT)]);
-  [button setCell:cell.get()];
-  [button sizeToFit];
-  [button setTarget:self];
-  [button setAction:@selector(onGetHelpPressed:)];
-  return button;
-}
-
 + (CGFloat)matchWidthsOf:(NSView*)viewA andOf:(NSView*)viewB {
   NSRect frameA = [viewA frame];
   NSRect frameB = [viewB frame];
   CGFloat width = std::max(NSWidth(frameA), NSWidth(frameB));
   [viewA setFrameSize:NSMakeSize(width, NSHeight(frameA))];
   [viewB setFrameSize:NSMakeSize(width, NSHeight(frameB))];
   return width;
 }
 
 + (void)alignCenterOf:(NSView*)viewA verticallyToCenterOf:(NSView*)viewB {
@@ skipping 12 matching lines @@
   [self close];
 }
 
 - (void)onCancel:(id)sender {
   buttonPressed_ = true;
   chooserController_->Cancel();
   self.bubbleReference->CloseBubble(BUBBLE_CLOSE_CANCELED);
   [self close];
 }
 
-- (void)onGetHelpPressed:(id)sender {
+- (void)onHelpPressed:(id)sender {
   chooserController_->OpenHelpCenterUrl();
 }
 
 @end
 
 ChooserBubbleUiCocoa::ChooserBubbleUiCocoa(
     Browser* browser,
     ChooserController* chooser_controller)
     : browser_(browser),
       chooser_controller_(chooser_controller),
@@ skipping 39 matching lines @@
   [chooser_bubble_ui_controller_ onOptionAdded:static_cast<NSInteger>(index)];
 }
 
 void ChooserBubbleUiCocoa::OnOptionRemoved(size_t index) {
   [chooser_bubble_ui_controller_ onOptionRemoved:static_cast<NSInteger>(index)];
 }
 
 void ChooserBubbleUiCocoa::OnBubbleClosing() {
   chooser_bubble_ui_controller_ = nil;
 }