extensions/browser/app_window/native_app_window.h

   1 // Copyright 2014 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 EXTENSIONS_BROWSER_APP_WINDOW_NATIVE_APP_WINDOW_H_
   6 #define EXTENSIONS_BROWSER_APP_WINDOW_NATIVE_APP_WINDOW_H_
   7
   8 #include <vector>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "components/web_modal/web_contents_modal_dialog_host.h"
  12 #include "third_party/skia/include/core/SkColor.h"
  13 #include "ui/base/base_window.h"
  14 #include "ui/gfx/geometry/insets.h"
  15
  16 namespace content {
  17 struct NativeWebKeyboardEvent;
  18 }
  19
  20 namespace extensions {
  21
  22 struct DraggableRegion;
  23
  24 // This is an interface to a native implementation of a app window, used for
  25 // new-style packaged apps. App windows contain a web contents, but no tabs
  26 // or URL bar.
  27 class NativeAppWindow : public ui::BaseWindow,
  28                         public web_modal::WebContentsModalDialogHost {
  29  public:
  30   // Sets whether the window is fullscreen and the type of fullscreen.
  31   // |fullscreen_types| is a bit field of AppWindow::FullscreenType.
  32   virtual void SetFullscreen(int fullscreen_types) = 0;
  33
  34   // Returns whether the window is fullscreen or about to enter fullscreen.
  35   virtual bool IsFullscreenOrPending() const = 0;
  36
  37   // Called when the icon of the window changes.
  38   virtual void UpdateWindowIcon() = 0;
  39
  40   // Called when the title of the window changes.
  41   virtual void UpdateWindowTitle() = 0;
  42
  43   // Called when the draggable regions are changed.
  44   virtual void UpdateDraggableRegions(
  45       const std::vector<DraggableRegion>& regions) = 0;
  46
  47   // Returns the region used by frameless windows for dragging. May return NULL.
  48   virtual SkRegion* GetDraggableRegion() = 0;
  49
  50   // Called when the window shape is changed. If |region| is NULL then the
  51   // window is restored to the default shape.
  52   virtual void UpdateShape(scoped_ptr<SkRegion> region) = 0;
  53
  54   // Allows the window to handle unhandled keyboard messages coming back from
  55   // the renderer.
  56   virtual void HandleKeyboardEvent(
  57       const content::NativeWebKeyboardEvent& event) = 0;
  58
  59   // Returns true if the window has no frame, as for a window opened by
  60   // chrome.app.window.create with the option 'frame' set to 'none'.
  61   virtual bool IsFrameless() const = 0;
  62
  63   // Returns information about the window's frame.
  64   virtual bool HasFrameColor() const = 0;
  65   virtual SkColor ActiveFrameColor() const = 0;
  66   virtual SkColor InactiveFrameColor() const = 0;
  67
  68   // Returns the difference between the window bounds (including titlebar and
  69   // borders) and the content bounds, if any.
  70   virtual gfx::Insets GetFrameInsets() const = 0;
  71
  72   // Hide or show this window as part of hiding or showing the app.
  73   // This may have different logic to Hide, Show, and ShowInactive as those are
  74   // called via the AppWindow javascript API.
  75   virtual void ShowWithApp() = 0;
  76   virtual void HideWithApp() = 0;
  77
  78   // Returns the minimum size constraints of the content.
  79   virtual gfx::Size GetContentMinimumSize() const = 0;
  80
  81   // Returns the maximum size constraints of the content.
  82   virtual gfx::Size GetContentMaximumSize() const = 0;
  83
  84   // Updates the minimum and maximum size constraints of the content.
  85   virtual void SetContentSizeConstraints(const gfx::Size& min_size,
  86                                          const gfx::Size& max_size) = 0;
  87
  88   // Sets whether the window should be visible on all workspaces.
  89   virtual void SetVisibleOnAllWorkspaces(bool always_visible) = 0;
  90
  91   // Returns false if the underlying native window ignores alpha transparency
  92   // when compositing.
  93   virtual bool CanHaveAlphaEnabled() const = 0;
  94
  95   ~NativeAppWindow() override {}
  96 };
  97
  98 }  // namespace extensions
  99
 100 #endif  // EXTENSIONS_BROWSER_APP_WINDOW_NATIVE_APP_WINDOW_H_