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