Upstream //ios/chrome/browser/translate

ios/chrome/browser/translate/translate_message_infobar_controller.mm

+// Copyright 2013 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 "ios/chrome/browser/translate/translate_message_infobar_controller.h"
+
+#include "base/strings/sys_string_conversions.h"
+#include "components/translate/core/browser/translate_infobar_delegate.h"
+#include "ios/chrome/browser/translate/translate_infobar_tags.h"
+#include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
+#import "ios/public/provider/chrome/browser/ui/infobar_view_delegate.h"
+#import "ios/public/provider/chrome/browser/ui/infobar_view_protocol.h"
+#include "ui/gfx/image/image.h"
+
+@interface TranslateMessageInfoBarController ()
+
+// Action for any of the user defined buttons.
+- (void)infoBarButtonDidPress:(id)sender;
+
+@end
+
+@implementation TranslateMessageInfoBarController
+
+#pragma mark -
+#pragma mark InfoBarControllerProtocol
+
+- (void)layoutForDelegate:(infobars::InfoBarDelegate*)delegate
+                    frame:(CGRect)frame {
+  translate::TranslateInfoBarDelegate* translateInfoBarDelegate =
+      delegate->AsTranslateInfoBarDelegate();
+  infobars::InfoBarDelegate* infoBarDelegate =
+      static_cast<infobars::InfoBarDelegate*>(translateInfoBarDelegate);
+  DCHECK(!infoBarView_);
+  infoBarView_.reset([ios::GetChromeBrowserProvider()->CreateInfoBarView()
+      initWithFrame:frame
+           delegate:delegate_
+          isWarning:infoBarDelegate->GetInfoBarType() ==
+                    infobars::InfoBarDelegate::WARNING_TYPE]);
+  // Icon
+  gfx::Image icon = translateInfoBarDelegate->GetIcon();
+  if (!icon.IsEmpty())
+    [infoBarView_ addLeftIcon:icon.ToUIImage()];
+  // Text.
+  [infoBarView_
+      addLabel:base::SysUTF16ToNSString(
+                   translateInfoBarDelegate->GetMessageInfoBarText())];
+  // Close button.
+  // TODO: Check if we should remove the close button.

[sdefresne, 2015/01/08 09:22:33]

nit: same remark about the TODO.

+  [infoBarView_ addCloseButtonWithTag:TranslateInfoBarIos::CLOSE
+                               target:self
+                               action:@selector(infoBarButtonDidPress:)];
+  // Other button.
+  base::string16 buttonText(
+      translateInfoBarDelegate->GetMessageInfoBarButtonText());
+  if (!buttonText.empty()) {
+    [infoBarView_ addButton:base::SysUTF16ToNSString(buttonText)
+                        tag:TranslateInfoBarIos::MESSAGE
+                     target:self
+                     action:@selector(infoBarButtonDidPress:)];
+  }
+}
+
+#pragma mark - Handling of User Events
+
+- (void)infoBarButtonDidPress:(id)sender {
+  // This press might have occurred after the user has already pressed a button,
+  // in which case the view has been detached from the delegate and this press
+  // should be ignored.
+  if (!delegate_) {
+    return;
+  }
+  if ([sender isKindOfClass:[UIButton class]]) {
+    NSUInteger buttonId = static_cast<UIButton*>(sender).tag;
+    if (buttonId == TranslateInfoBarIos::CLOSE) {
+      delegate_->InfoBarDidCancel();
+    } else {
+      DCHECK(buttonId == TranslateInfoBarIos::MESSAGE);
+      delegate_->InfoBarButtonDidPress(buttonId);
+    }
+  }
+}
+
+@end