chrome/browser/ui/infobar_container_delegate.h

   1 // Copyright 2014 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 #ifndef CHROME_BROWSER_UI_INFOBAR_CONTAINER_DELEGATE_H_
   6 #define CHROME_BROWSER_UI_INFOBAR_CONTAINER_DELEGATE_H_
   7
   8 #include "components/infobars/core/infobar_container.h"
   9
  10 class InfoBarContainerDelegate : public infobars::InfoBarContainer::Delegate {
  11  public:
  12   static const int kDefaultBarTargetHeight;
  13   static const int kDefaultBarTargetHeightMd;
  14   static const int kSeparatorLineHeight;
  15   static const int kDefaultArrowTargetHeight;
  16   static const int kMaximumArrowTargetHeight;
  17   static const int kDefaultArrowTargetHalfWidth;
  18   static const int kMaximumArrowTargetHalfWidth;
  19
  20   InfoBarContainerDelegate();
  21   ~InfoBarContainerDelegate() override;
  22
  23   // Called when the distance between what the top infobar's "unspoofable" arrow
  24   // would point to and the top infobar itself changes.  Sets the maximum height
  25   // of the top arrow to the new |height| and asks |container| to update its
  26   // infobars accordingly.  This enables the top infobar to show a longer arrow
  27   // (e.g. because of a visible bookmark bar) or shorter (e.g. due to being in a
  28   // popup window) if desired.
  29   void SetMaxTopArrowHeight(int height, infobars::InfoBarContainer* container);
  30
  31   // infobars::InfoBarContainer::Delegate:
  32   int ArrowTargetHeightForInfoBar(
  33       size_t index,
  34       const gfx::SlideAnimation& animation) const override;
  35   void ComputeInfoBarElementSizes(const gfx::SlideAnimation& animation,
  36                                   int arrow_target_height,
  37                                   int bar_target_height,
  38                                   int* arrow_height,
  39                                   int* arrow_half_width,
  40                                   int* bar_height) const override;
  41
  42  private:
  43   int top_arrow_target_height_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(InfoBarContainerDelegate);
  46 };
  47
  48 #endif  // CHROME_BROWSER_UI_INFOBAR_CONTAINER_DELEGATE_H_