| // Copyright 2014 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 ASH_FRAME_DEFAULT_FRAME_HEADER_H_ |
| #define ASH_FRAME_DEFAULT_FRAME_HEADER_H_ |
| |
| #include <memory> |
| |
| #include "ash/ash_export.h" |
| #include "ash/frame/frame_header.h" |
| #include "ash/public/interfaces/window_style.mojom.h" |
| #include "base/compiler_specific.h" // override |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| #include "ui/gfx/animation/animation_delegate.h" |
| |
| namespace gfx { |
| class Rect; |
| class SlideAnimation; |
| } // namespace gfx |
| |
| namespace views { |
| class View; |
| class Widget; |
| } // namespace views |
| |
| namespace ash { |
| class FrameCaptionButton; |
| class FrameCaptionButtonContainerView; |
| |
| // Helper class for managing the default window header. |
| class ASH_EXPORT DefaultFrameHeader : public FrameHeader, |
| public gfx::AnimationDelegate { |
| public: |
| // DefaultFrameHeader does not take ownership of any of the parameters. |
| DefaultFrameHeader( |
| views::Widget* frame, |
| views::View* header_view, |
| FrameCaptionButtonContainerView* caption_button_container, |
| mojom::WindowStyle window_style = mojom::WindowStyle::DEFAULT); |
| ~DefaultFrameHeader() override; |
| |
| // FrameHeader overrides: |
| int GetMinimumHeaderWidth() const override; |
| void PaintHeader(gfx::Canvas* canvas, Mode mode) override; |
| void LayoutHeader() override; |
| int GetHeaderHeight() const override; |
| int GetHeaderHeightForPainting() const override; |
| void SetHeaderHeightForPainting(int height) override; |
| void SchedulePaintForTitle() override; |
| void SetPaintAsActive(bool paint_as_active) override; |
| |
| void set_left_header_view(views::View* left_header_view) { |
| left_header_view_ = left_header_view; |
| } |
| |
| void set_back_button(FrameCaptionButton* back_button) { |
| back_button_ = back_button; |
| } |
| |
| // Sets the active and inactive frame colors. Note the inactive frame color |
| // will have some transparency added when the frame is drawn. |
| void SetFrameColors(SkColor active_frame_color, SkColor inactive_frame_color); |
| SkColor GetActiveFrameColor() const; |
| SkColor GetInactiveFrameColor() const; |
| |
| // Gets the color of the title text. |
| SkColor GetTitleColor() const; |
| |
| // Whether light caption images should be used. This is the case when the |
| // background of the frame is dark. |
| bool ShouldUseLightImages() const; |
| |
| protected: |
| // Paints the title bar, primarily the title string. |
| virtual void PaintTitleBar(gfx::Canvas* canvas); |
| |
| // Returns the bounds for the title. |
| gfx::Rect GetAvailableTitleBounds() const; |
| |
| views::View* view() { return view_; } |
| |
| private: |
| FRIEND_TEST_ALL_PREFIXES(DefaultFrameHeaderTest, BackButtonAlignment); |
| FRIEND_TEST_ALL_PREFIXES(DefaultFrameHeaderTest, TitleIconAlignment); |
| FRIEND_TEST_ALL_PREFIXES(DefaultFrameHeaderTest, LightIcons); |
| |
| // gfx::AnimationDelegate override: |
| void AnimationProgressed(const gfx::Animation* animation) override; |
| |
| // Paints highlight around the edge of the header for inactive restored |
| // windows. |
| void PaintHighlightForInactiveRestoredWindow(gfx::Canvas* canvas); |
| |
| // Paints the header/content separator. |
| void PaintHeaderContentSeparator(gfx::Canvas* canvas); |
| |
| // Update all the images in the caption buttons. |
| void UpdateAllButtonImages(); |
| |
| // Updates the size button's images. |
| void UpdateSizeButtonImages(); |
| |
| // Returns the header bounds in the coordinates of |view_|. The header is |
| // assumed to be positioned at the top left corner of |view_| and to have the |
| // same width as |view_|. |
| gfx::Rect GetLocalBounds() const; |
| |
| // Returns whether the frame uses custom frame coloring. |
| bool UsesCustomFrameColors() const; |
| |
| const mojom::WindowStyle window_style_; |
| views::Widget* frame_; |
| views::View* view_; |
| FrameCaptionButton* back_button_; // May be nullptr. |
| views::View* left_header_view_; // May be nullptr. |
| SkColor active_frame_color_; |
| SkColor inactive_frame_color_; |
| FrameCaptionButtonContainerView* caption_button_container_; |
| |
| // The height of the header to paint. |
| int painted_height_; |
| |
| // Whether the header should be painted as active. |
| Mode mode_; |
| |
| // Whether the header is painted for the first time. |
| bool initial_paint_; |
| |
| std::unique_ptr<gfx::SlideAnimation> activation_animation_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DefaultFrameHeader); |
| }; |
| |
| } // namespace ash |
| |
| #endif // ASH_FRAME_DEFAULT_FRAME_HEADER_H_ |