blob: 78738b6864c10d467ac2b81958a1054a2e6ddf13 [file] [log] [blame]
// Copyright (c) 2012 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 "base/compiler_specific.h"
#include "base/macros.h"
#include "components/infobars/core/infobar.h"
#include "components/infobars/core/infobar_container.h"
#include "third_party/skia/include/core/SkPath.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/menu/menu_types.h"
#include "ui/views/focus/external_focus_tracker.h"
namespace views {
class ImageButton;
class ImageView;
class Label;
class Link;
class LinkListener;
class MenuRunner;
} // namespace views
class InfoBarView : public infobars::InfoBar,
public views::View,
public views::ButtonListener,
public views::ExternalFocusTracker {
explicit InfoBarView(std::unique_ptr<infobars::InfoBarDelegate> delegate);
~InfoBarView() override;
// Requests that the infobar recompute its target height.
void RecalculateHeight();
// views::View:
void Layout() override;
void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
gfx::Size CalculatePreferredSize() const override;
void ViewHierarchyChanged(
const views::ViewHierarchyChangedDetails& details) override;
void OnPaint(gfx::Canvas* canvas) override;
void OnThemeChanged() override;
// views::ButtonListener:
// NOTE: This must not be called if we're unowned. (Subclasses should ignore
// calls to ButtonPressed() in this case.)
void ButtonPressed(views::Button* sender, const ui::Event& event) override;
// views::ExternalFocusTracker:
void OnWillChangeFocus(View* focused_before, View* focused_now) override;
using Labels = std::vector<views::Label*>;
// Creates a label with the appropriate font and color for an infobar.
views::Label* CreateLabel(const base::string16& text) const;
// Creates a link with the appropriate font and color for an infobar.
// NOTE: Subclasses must ignore link clicks if we're unowned.
views::Link* CreateLink(const base::string16& text,
views::LinkListener* listener) const;
// Given |views| and the total |available_width| to display them in, sets
// each view's size so that the longest view shrinks until it reaches the
// length of the next-longest view, then both shrink until reaching the
// length of the next-longest, and so forth.
static void AssignWidths(Views* views, int available_width);
// Returns the minimum width the content (that is, everything between the icon
// and the close button) can be shrunk to. This is used to prevent the close
// button from overlapping views that cannot be shrunk any further.
virtual int ContentMinimumWidth() const;
// These return x coordinates delimiting the usable area for subclasses to lay
// out their controls.
int StartX() const;
int EndX() const;
// Given a |view|, returns the centered y position, taking into account
// animation so the control "slides in" (or out) as we animate open and
// closed.
int OffsetY(views::View* view) const;
// infobars::InfoBar:
void PlatformSpecificShow(bool animate) override;
void PlatformSpecificHide(bool animate) override;
void PlatformSpecificOnHeightRecalculated() override;
FRIEND_TEST_ALL_PREFIXES(InfoBarViewTest, ShouldDrawSeparator);
// Does the actual work for AssignWidths(). Assumes |views| is sorted by
// decreasing preferred width.
static void AssignWidthsSorted(Views* views, int available_width);
// Returns whether this infobar should draw a 1 px separator at its top.
bool ShouldDrawSeparator() const;
// Returns how many DIPs the container should reserve for a separator between
// infobars, in addition to the height of the infobars themselves.
int GetSeparatorHeightDip() const;
// Returns the current color for the theme property |id|. Will return the
// wrong value if no theme provider is available.
SkColor GetColor(int id) const;
// Sets various attributes on |label| that are common to all child links and
// labels.
void SetLabelDetails(views::Label* label) const;
// The optional icon at the left edge of the InfoBar.
views::ImageView* icon_ = nullptr;
// The close button at the right edge of the InfoBar.
views::ImageButton* close_button_ = nullptr;
// Used to run the menu.
std::unique_ptr<views::MenuRunner> menu_runner_;