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      1 // Copyright 2013 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 APPS_UI_NATIVE_APP_WINDOW_H_
      6 #define APPS_UI_NATIVE_APP_WINDOW_H_
      7 
      8 #include "apps/app_window.h"
      9 #include "components/web_modal/web_contents_modal_dialog_host.h"
     10 #include "third_party/skia/include/core/SkColor.h"
     11 #include "ui/base/base_window.h"
     12 #include "ui/gfx/insets.h"
     13 
     14 namespace apps {
     15 
     16 // This is an interface to a native implementation of a app window, used for
     17 // new-style packaged apps. App windows contain a web contents, but no tabs
     18 // or URL bar.
     19 class NativeAppWindow : public ui::BaseWindow,
     20                         public web_modal::WebContentsModalDialogHost {
     21  public:
     22   // Sets whether the window is fullscreen and the type of fullscreen.
     23   // |fullscreen_types| is a bit field of AppWindow::FullscreenType.
     24   virtual void SetFullscreen(int fullscreen_types) = 0;
     25 
     26   // Returns whether the window is fullscreen or about to enter fullscreen.
     27   virtual bool IsFullscreenOrPending() const = 0;
     28 
     29   // Returns true if the window is a panel that has been detached.
     30   virtual bool IsDetached() const = 0;
     31 
     32   // Called when the icon of the window changes.
     33   virtual void UpdateWindowIcon() = 0;
     34 
     35   // Called when the title of the window changes.
     36   virtual void UpdateWindowTitle() = 0;
     37 
     38   // Called to update the badge icon.
     39   virtual void UpdateBadgeIcon() = 0;
     40 
     41   // Called when the draggable regions are changed.
     42   virtual void UpdateDraggableRegions(
     43       const std::vector<extensions::DraggableRegion>& regions) = 0;
     44 
     45   // Returns the region used by frameless windows for dragging. May return NULL.
     46   virtual SkRegion* GetDraggableRegion() = 0;
     47 
     48   // Called when the window shape is changed. If |region| is NULL then the
     49   // window is restored to the default shape.
     50   virtual void UpdateShape(scoped_ptr<SkRegion> region) = 0;
     51 
     52   // Allows the window to handle unhandled keyboard messages coming back from
     53   // the renderer.
     54   virtual void HandleKeyboardEvent(
     55       const content::NativeWebKeyboardEvent& event) = 0;
     56 
     57   // Returns true if the window has no frame, as for a window opened by
     58   // chrome.app.window.create with the option 'frame' set to 'none'.
     59   virtual bool IsFrameless() const = 0;
     60 
     61   // Returns information about the window's frame.
     62   virtual bool HasFrameColor() const = 0;
     63   virtual SkColor ActiveFrameColor() const = 0;
     64   virtual SkColor InactiveFrameColor() const = 0;
     65 
     66   // Returns the difference between the window bounds (including titlebar and
     67   // borders) and the content bounds, if any.
     68   virtual gfx::Insets GetFrameInsets() const = 0;
     69 
     70   // Hide or show this window as part of hiding or showing the app.
     71   // This may have different logic to Hide, Show, and ShowInactive as those are
     72   // called via the AppWindow javascript API.
     73   virtual void ShowWithApp() = 0;
     74   virtual void HideWithApp() = 0;
     75 
     76   // Updates custom entries for the context menu of the app's taskbar/dock/shelf
     77   // icon.
     78   virtual void UpdateShelfMenu() = 0;
     79 
     80   // Returns the minimum size constraints of the content.
     81   virtual gfx::Size GetContentMinimumSize() const = 0;
     82 
     83   // Returns the maximum size constraints of the content.
     84   virtual gfx::Size GetContentMaximumSize() const = 0;
     85 
     86   // Updates the minimum and maximum size constraints of the content.
     87   virtual void SetContentSizeConstraints(const gfx::Size& min_size,
     88                                          const gfx::Size& max_size) = 0;
     89 
     90   // Returns false if the underlying native window ignores alpha transparency
     91   // when compositing.
     92   virtual bool CanHaveAlphaEnabled() const = 0;
     93 
     94   virtual ~NativeAppWindow() {}
     95 };
     96 
     97 }  // namespace apps
     98 
     99 #endif  // APPS_UI_NATIVE_APP_WINDOW_H_
    100