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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/shell_window.h"
      9 #include "components/web_modal/web_contents_modal_dialog_host.h"
     10 #include "ui/base/base_window.h"
     11 #include "ui/gfx/insets.h"
     12 
     13 namespace apps {
     14 
     15 // This is an interface to a native implementation of a shell window, used for
     16 // new-style packaged apps. Shell windows contain a web contents, but no tabs
     17 // or URL bar.
     18 class NativeAppWindow : public ui::BaseWindow,
     19                         public web_modal::WebContentsModalDialogHost {
     20  public:
     21   // Sets whether the window is fullscreen and the type of fullscreen.
     22   // |fullscreen_types| is a bit field of ShellWindow::FullscreenType.
     23   virtual void SetFullscreen(int fullscreen_types) = 0;
     24 
     25   // Returns whether the window is fullscreen or about to enter fullscreen.
     26   virtual bool IsFullscreenOrPending() const = 0;
     27 
     28   // Returns true if the window is a panel that has been detached.
     29   virtual bool IsDetached() const = 0;
     30 
     31   // Called when the icon of the window changes.
     32   virtual void UpdateWindowIcon() = 0;
     33 
     34   // Called when the title of the window changes.
     35   virtual void UpdateWindowTitle() = 0;
     36 
     37   // Called when the draggable regions are changed.
     38   virtual void UpdateDraggableRegions(
     39       const std::vector<extensions::DraggableRegion>& regions) = 0;
     40 
     41   // Returns the region used by frameless windows for dragging. May return NULL.
     42   virtual SkRegion* GetDraggableRegion() = 0;
     43 
     44   // Called when the window shape is changed. If |region| is NULL then the
     45   // window is restored to the default shape.
     46   virtual void UpdateShape(scoped_ptr<SkRegion> region) = 0;
     47 
     48   // Allows the window to handle unhandled keyboard messages coming back from
     49   // the renderer.
     50   virtual void HandleKeyboardEvent(
     51       const content::NativeWebKeyboardEvent& event) = 0;
     52 
     53   // Returns true if the window has no frame, as for a window opened by
     54   // chrome.app.window.create with the option 'frame' set to 'none'.
     55   virtual bool IsFrameless() const = 0;
     56 
     57   // Returns the difference between the window bounds (including titlebar and
     58   // borders) and the content bounds, if any.
     59   virtual gfx::Insets GetFrameInsets() const = 0;
     60 
     61   // Hide or show this window as part of hiding or showing the app.
     62   // This may have different logic to Hide, Show, and ShowInactive as those are
     63   // called via the AppWindow javascript API.
     64   virtual void ShowWithApp() = 0;
     65   virtual void HideWithApp() = 0;
     66 
     67   // Updates the minimum and maximum size of the native window with the current
     68   // size constraints.
     69   virtual void UpdateWindowMinMaxSize() = 0;
     70 
     71   virtual ~NativeAppWindow() {}
     72 };
     73 
     74 }  // namespace apps
     75 
     76 #endif  // APPS_UI_NATIVE_APP_WINDOW_H_
     77