| // 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. |
| |
| #ifndef CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_VIEW_H_ |
| #define CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_VIEW_H_ |
| |
| #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 { |
| public: |
| 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; |
| void OnNativeThemeChanged(const ui::NativeTheme* theme) 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; |
| |
| protected: |
| 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 |labels| and the total |available_width| to display them in, sets |
| // each label's size so that the longest label shrinks until it reaches the |
| // length of the next-longest label, then both shrink until reaching the |
| // length of the next-longest, and so forth. |
| static void AssignWidths(Labels* labels, 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; |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(InfoBarViewTest, ShouldDrawSeparator); |
| |
| // Does the actual work for AssignWidths(). Assumes |labels| is sorted by |
| // decreasing preferred width. |
| static void AssignWidthsSorted(Labels* labels, 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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(InfoBarView); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_VIEWS_INFOBARS_INFOBAR_VIEW_H_ |