chrome/browser/ui/cocoa/apps/native_app_window_cocoa.h

   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 CHROME_BROWSER_UI_COCOA_APPS_NATIVE_APP_WINDOW_COCOA_H_
   6 #define CHROME_BROWSER_UI_COCOA_APPS_NATIVE_APP_WINDOW_COCOA_H_
   7
   8 #import <Cocoa/Cocoa.h>
   9 #include <vector>
  10
  11 #include "apps/size_constraints.h"
  12 #include "apps/ui/native_app_window.h"
  13 #include "base/mac/scoped_nsobject.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #import "chrome/browser/ui/cocoa/browser_command_executor.h"
  16 #include "content/public/browser/web_contents_observer.h"
  17 #include "extensions/common/draggable_region.h"
  18 #include "ui/gfx/rect.h"
  19
  20 namespace apps {
  21 class AppWindow;
  22 }
  23
  24 class ExtensionKeybindingRegistryCocoa;
  25 class NativeAppWindowCocoa;
  26 @class ShellNSWindow;
  27 class SkRegion;
  28
  29 // A window controller for a minimal window to host a web app view. Passes
  30 // Objective-C notifications to the C++ bridge.
  31 @interface NativeAppWindowController : NSWindowController
  32                                       <NSWindowDelegate,
  33                                        BrowserCommandExecutor> {
  34  @private
  35   NativeAppWindowCocoa* appWindow_;  // Weak; owns self.
  36 }
  37
  38 @property(assign, nonatomic) NativeAppWindowCocoa* appWindow;
  39
  40 // Consults the Command Registry to see if this |event| needs to be handled as
  41 // an extension command and returns YES if so (NO otherwise).
  42 - (BOOL)handledByExtensionCommand:(NSEvent*)event;
  43
  44 @end
  45
  46 // Cocoa bridge to AppWindow.
  47 class NativeAppWindowCocoa : public apps::NativeAppWindow,
  48                              public content::WebContentsObserver {
  49  public:
  50   NativeAppWindowCocoa(apps::AppWindow* app_window,
  51                        const apps::AppWindow::CreateParams& params);
  52
  53   // ui::BaseWindow implementation.
  54   virtual bool IsActive() const OVERRIDE;
  55   virtual bool IsMaximized() const OVERRIDE;
  56   virtual bool IsMinimized() const OVERRIDE;
  57   virtual bool IsFullscreen() const OVERRIDE;
  58   virtual gfx::NativeWindow GetNativeWindow() OVERRIDE;
  59   virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
  60   virtual ui::WindowShowState GetRestoredState() const OVERRIDE;
  61   virtual gfx::Rect GetBounds() const OVERRIDE;
  62   virtual void Show() OVERRIDE;
  63   virtual void ShowInactive() OVERRIDE;
  64   virtual void Hide() OVERRIDE;
  65   virtual void Close() OVERRIDE;
  66   virtual void Activate() OVERRIDE;
  67   virtual void Deactivate() OVERRIDE;
  68   virtual void Maximize() OVERRIDE;
  69   virtual void Minimize() OVERRIDE;
  70   virtual void Restore() OVERRIDE;
  71   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
  72   virtual void FlashFrame(bool flash) OVERRIDE;
  73   virtual bool IsAlwaysOnTop() const OVERRIDE;
  74
  75   // Called when the window is about to be closed.
  76   void WindowWillClose();
  77
  78   // Called when the window is focused.
  79   void WindowDidBecomeKey();
  80
  81   // Called when the window is defocused.
  82   void WindowDidResignKey();
  83
  84   // Called when the window finishes resizing, i.e. after zoom/unzoom, after
  85   // entering/leaving fullscreen, and after a user is done resizing.
  86   void WindowDidFinishResize();
  87
  88   // Called when the window is resized. This is called repeatedly during a
  89   // zoom/unzoom, and while a user is resizing.
  90   void WindowDidResize();
  91
  92   // Called when the window is moved.
  93   void WindowDidMove();
  94
  95   // Called when the window is minimized.
  96   void WindowDidMiniaturize();
  97
  98   // Called when the window is un-minimized.
  99   void WindowDidDeminiaturize();
 100
 101   // Called when the window is zoomed (maximized or de-maximized).
 102   void WindowWillZoom();
 103
 104   // Called when the window enters fullscreen.
 105   void WindowDidEnterFullscreen();
 106
 107   // Called when the window exits fullscreen.
 108   void WindowDidExitFullscreen();
 109
 110   // Called to handle a key event.
 111   bool HandledByExtensionCommand(NSEvent* event);
 112
 113   // Returns true if |point| in local Cocoa coordinate system falls within
 114   // the draggable region.
 115   bool IsWithinDraggableRegion(NSPoint point) const;
 116
 117   NSRect restored_bounds() const { return restored_bounds_; }
 118
 119  protected:
 120   // NativeAppWindow implementation.
 121   virtual void SetFullscreen(int fullscreen_types) OVERRIDE;
 122   virtual bool IsFullscreenOrPending() const OVERRIDE;
 123   virtual bool IsDetached() const OVERRIDE;
 124   virtual void UpdateWindowIcon() OVERRIDE;
 125   virtual void UpdateWindowTitle() OVERRIDE;
 126   virtual void UpdateBadgeIcon() OVERRIDE;
 127   virtual void UpdateShape(scoped_ptr<SkRegion> region) OVERRIDE;
 128   virtual void UpdateDraggableRegions(
 129       const std::vector<extensions::DraggableRegion>& regions) OVERRIDE;
 130   virtual SkRegion* GetDraggableRegion() OVERRIDE;
 131   virtual void HandleKeyboardEvent(
 132       const content::NativeWebKeyboardEvent& event) OVERRIDE;
 133   virtual bool IsFrameless() const OVERRIDE;
 134   virtual bool HasFrameColor() const OVERRIDE;
 135   virtual SkColor ActiveFrameColor() const OVERRIDE;
 136   virtual SkColor InactiveFrameColor() const OVERRIDE;
 137   virtual gfx::Insets GetFrameInsets() const OVERRIDE;
 138
 139   // These are used to simulate Mac-style hide/show. Since windows can be hidden
 140   // and shown using the app.window API, this sets is_hidden_with_app_ to
 141   // differentiate the reason a window was hidden.
 142   virtual void ShowWithApp() OVERRIDE;
 143   virtual void HideWithApp() OVERRIDE;
 144   virtual void UpdateShelfMenu() OVERRIDE;
 145   virtual gfx::Size GetContentMinimumSize() const OVERRIDE;
 146   virtual gfx::Size GetContentMaximumSize() const OVERRIDE;
 147   virtual void SetContentSizeConstraints(const gfx::Size& min_size,
 148                                          const gfx::Size& max_size) OVERRIDE;
 149
 150   // WebContentsObserver implementation.
 151   virtual void RenderViewCreated(content::RenderViewHost* rvh) OVERRIDE;
 152
 153   virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
 154
 155   // WebContentsModalDialogHost implementation.
 156   virtual gfx::NativeView GetHostView() const OVERRIDE;
 157   virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
 158   virtual gfx::Size GetMaximumDialogSize() OVERRIDE;
 159   virtual void AddObserver(
 160       web_modal::ModalDialogHostObserver* observer) OVERRIDE;
 161   virtual void RemoveObserver(
 162       web_modal::ModalDialogHostObserver* observer) OVERRIDE;
 163
 164  private:
 165   virtual ~NativeAppWindowCocoa();
 166
 167   ShellNSWindow* window() const;
 168   content::WebContents* WebContents() const;
 169
 170   // Returns the WindowStyleMask based on the type of window frame.
 171   // Specifically, this includes NSResizableWindowMask if the window is
 172   // resizable, and does not include NSTexturedBackgroundWindowMask when a
 173   // native frame is used.
 174   NSUInteger GetWindowStyleMask() const;
 175
 176   void InstallView();
 177   void UninstallView();
 178   void UpdateDraggableRegionViews();
 179
 180   // Cache |restored_bounds_| only if the window is currently restored.
 181   void UpdateRestoredBounds();
 182
 183   // Hides the window unconditionally. Used by Hide and HideWithApp.
 184   void HideWithoutMarkingHidden();
 185
 186   apps::AppWindow* app_window_;  // weak - AppWindow owns NativeAppWindow.
 187
 188   bool has_frame_;
 189
 190   // Whether this window last became hidden due to a request to hide the entire
 191   // app, e.g. via the dock menu or Cmd+H. This is set by Hide/ShowWithApp.
 192   bool is_hidden_with_app_;
 193
 194   bool is_maximized_;
 195   bool is_fullscreen_;
 196   NSRect restored_bounds_;
 197
 198   bool is_resizable_;
 199   bool shows_resize_controls_;
 200   bool shows_fullscreen_controls_;
 201
 202   apps::SizeConstraints size_constraints_;
 203
 204   base::scoped_nsobject<NativeAppWindowController> window_controller_;
 205   NSInteger attention_request_id_;  // identifier from requestUserAttention
 206
 207   // For system drag, the whole window is draggable and the non-draggable areas
 208   // have to been explicitly excluded.
 209   std::vector<extensions::DraggableRegion> draggable_regions_;
 210
 211   // The Extension Command Registry used to determine which keyboard events to
 212   // handle.
 213   scoped_ptr<ExtensionKeybindingRegistryCocoa> extension_keybinding_registry_;
 214
 215   DISALLOW_COPY_AND_ASSIGN(NativeAppWindowCocoa);
 216 };
 217
 218 #endif  // CHROME_BROWSER_UI_COCOA_APPS_NATIVE_APP_WINDOW_COCOA_H_