chrome/browser/ui/views/infobars/translate_message_infobar.cc

   1 // Copyright (c) 2011 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 #include "chrome/browser/ui/views/infobars/translate_message_infobar.h"
   6
   7 #include "chrome/browser/translate/translate_infobar_delegate.h"
   8 #include "ui/views/controls/button/label_button.h"
   9 #include "ui/views/controls/label.h"
  10
  11 TranslateMessageInfoBar::TranslateMessageInfoBar(
  12     scoped_ptr<TranslateInfoBarDelegate> delegate)
  13     : TranslateInfoBarBase(delegate.Pass()),
  14       label_(NULL),
  15       button_(NULL) {
  16 }
  17
  18 TranslateMessageInfoBar::~TranslateMessageInfoBar() {
  19 }
  20
  21 void TranslateMessageInfoBar::Layout() {
  22   TranslateInfoBarBase::Layout();
  23
  24   int x = StartX();
  25   const int width =
  26       std::min(label_->width(), std::max(0, EndX() - x - NonLabelWidth()));
  27   label_->SetBounds(x, OffsetY(label_), width, label_->height());
  28   if (!label_->text().empty())
  29     x = label_->bounds().right() + kEndOfLabelSpacing;
  30
  31   if (button_)
  32     button_->SetPosition(gfx::Point(x, OffsetY(button_)));
  33 }
  34
  35 void TranslateMessageInfoBar::ViewHierarchyChanged(
  36     const ViewHierarchyChangedDetails& details) {
  37   if (details.is_add && (details.child == this) && (label_ == NULL)) {
  38     TranslateInfoBarDelegate* delegate = GetDelegate();
  39     label_ = CreateLabel(delegate->GetMessageInfoBarText());
  40     AddChildView(label_);
  41
  42     base::string16 button_text(delegate->GetMessageInfoBarButtonText());
  43     if (!button_text.empty()) {
  44       button_ = CreateLabelButton(this, button_text);
  45       AddChildView(button_);
  46     }
  47   }
  48
  49   // This must happen after adding all other children so InfoBarView can ensure
  50   // the close button is the last child.
  51   TranslateInfoBarBase::ViewHierarchyChanged(details);
  52 }
  53
  54 void TranslateMessageInfoBar::ButtonPressed(views::Button* sender,
  55                                             const ui::Event& event) {
  56   if (!owner())
  57     return;  // We're closing; don't call anything, it might access the owner.
  58   if (sender == button_)
  59     GetDelegate()->MessageInfoBarButtonPressed();
  60   else
  61     TranslateInfoBarBase::ButtonPressed(sender, event);
  62 }
  63
  64 int TranslateMessageInfoBar::ContentMinimumWidth() const {
  65   return label_->GetMinimumSize().width() + NonLabelWidth();
  66 }
  67
  68 int TranslateMessageInfoBar::NonLabelWidth() const {
  69   if (!button_)
  70     return 0;
  71   return button_->width() + (label_->text().empty() ? 0 : kEndOfLabelSpacing);
  72 }