summaryrefslogtreecommitdiffstats
path: root/widget/cocoa/nsCocoaWindow.h
blob: 6338f474dfe3840b6a7a06daddfb4e09ed5b1336 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef nsCocoaWindow_h_
#define nsCocoaWindow_h_

#undef DARWIN

#import <Cocoa/Cocoa.h>

#include "mozilla/RefPtr.h"
#include "nsBaseWidget.h"
#include "nsPIWidgetCocoa.h"
#include "nsCocoaUtils.h"

class nsCocoaWindow;
class nsChildView;
class nsMenuBarX;
@class ChildView;

typedef struct _nsCocoaWindowList {
  _nsCocoaWindowList() : prev(nullptr), window(nullptr) {}
  struct _nsCocoaWindowList *prev;
  nsCocoaWindow *window; // Weak
} nsCocoaWindowList;

// NSWindow subclass that is the base class for all of our own window classes.
// Among other things, this class handles the storage of those settings that
// need to be persisted across window destruction and reconstruction, i.e. when
// switching to and from fullscreen mode.
// We don't save shadow, transparency mode or background color because it's not
// worth the hassle - Gecko will reset them anyway as soon as the window is
// resized.
@interface BaseWindow : NSWindow
{
  // Data Storage
  NSMutableDictionary* mState;
  BOOL mDrawsIntoWindowFrame;
  NSColor* mActiveTitlebarColor;
  NSColor* mInactiveTitlebarColor;

  // Shadow
  BOOL mScheduledShadowInvalidation;

  // Invalidation disabling
  BOOL mDisabledNeedsDisplay;

  // DPI cache. Getting the physical screen size (CGDisplayScreenSize)
  // is ridiculously slow, so we cache it in the toplevel window for all
  // descendants to use.
  float mDPI;

  NSTrackingArea* mTrackingArea;

  NSRect mDirtyRect;

  BOOL mBeingShown;
  BOOL mDrawTitle;
  BOOL mBrightTitlebarForeground;
  BOOL mUseMenuStyle;
}

- (void)importState:(NSDictionary*)aState;
- (NSMutableDictionary*)exportState;
- (void)setDrawsContentsIntoWindowFrame:(BOOL)aState;
- (BOOL)drawsContentsIntoWindowFrame;
- (void)setTitlebarColor:(NSColor*)aColor forActiveWindow:(BOOL)aActive;
- (NSColor*)titlebarColorForActiveWindow:(BOOL)aActive;

- (void)deferredInvalidateShadow;
- (void)invalidateShadow;
- (float)getDPI;

- (void)mouseEntered:(NSEvent*)aEvent;
- (void)mouseExited:(NSEvent*)aEvent;
- (void)mouseMoved:(NSEvent*)aEvent;
- (void)updateTrackingArea;
- (NSView*)trackingAreaView;

- (void)setBeingShown:(BOOL)aValue;
- (BOOL)isBeingShown;
- (BOOL)isVisibleOrBeingShown;

- (ChildView*)mainChildView;

- (NSArray*)titlebarControls;

- (void)setWantsTitleDrawn:(BOOL)aDrawTitle;
- (BOOL)wantsTitleDrawn;

- (void)setUseBrightTitlebarForeground:(BOOL)aBrightForeground;
- (BOOL)useBrightTitlebarForeground;

- (void)disableSetNeedsDisplay;
- (void)enableSetNeedsDisplay;

- (NSRect)getAndResetNativeDirtyRect;

- (void)setUseMenuStyle:(BOOL)aValue;

@end

@interface NSWindow (Undocumented)

// If a window has been explicitly removed from the "window cache" (to
// deactivate it), it's sometimes necessary to "reset" it to reactivate it
// (and put it back in the "window cache").  One way to do this, which Apple
// often uses, is to set the "window number" to '-1' and then back to its
// original value.
- (void)_setWindowNumber:(NSInteger)aNumber;

// If we set the window's stylemask to be textured, the corners on the bottom of
// the window are rounded by default. We use this private method to make
// the corners square again, a la Safari. Starting with 10.7, all windows have
// rounded bottom corners, so this call doesn't have any effect there.
- (void)setBottomCornerRounded:(BOOL)rounded;
- (BOOL)bottomCornerRounded;

// Present in the same form on OS X since at least OS X 10.5.
- (NSRect)contentRectForFrameRect:(NSRect)windowFrame styleMask:(NSUInteger)windowStyle;
- (NSRect)frameRectForContentRect:(NSRect)windowContentRect styleMask:(NSUInteger)windowStyle;

// Present since at least OS X 10.5.  The OS calls this method on NSWindow
// (and its subclasses) to find out which NSFrameView subclass to instantiate
// to create its "frame view".
+ (Class)frameViewClassForStyleMask:(NSUInteger)styleMask;

@end

@interface PopupWindow : BaseWindow
{
@private
  BOOL mIsContextMenu;
}

- (id)initWithContentRect:(NSRect)contentRect styleMask:(NSUInteger)styleMask
      backing:(NSBackingStoreType)bufferingType defer:(BOOL)deferCreation;
- (BOOL)isContextMenu;
- (void)setIsContextMenu:(BOOL)flag;
- (BOOL)canBecomeMainWindow;

@end

@interface BorderlessWindow : BaseWindow
{
}

- (BOOL)canBecomeKeyWindow;
- (BOOL)canBecomeMainWindow;

@end

@interface WindowDelegate : NSObject <NSWindowDelegate>
{
  nsCocoaWindow* mGeckoWindow; // [WEAK] (we are owned by the window)
  // Used to avoid duplication when we send NS_ACTIVATE and
  // NS_DEACTIVATE to Gecko for toplevel widgets.  Starts out
  // false.
  bool mToplevelActiveState;
  BOOL mHasEverBeenZoomed;
}
+ (void)paintMenubarForWindow:(NSWindow*)aWindow;
- (id)initWithGeckoWindow:(nsCocoaWindow*)geckoWind;
- (void)windowDidResize:(NSNotification*)aNotification;
- (nsCocoaWindow*)geckoWidget;
- (bool)toplevelActiveState;
- (void)sendToplevelActivateEvents;
- (void)sendToplevelDeactivateEvents;
@end

@class ToolbarWindow;

// NSColor subclass that allows us to draw separate colors both in the titlebar
// and for background of the window.
@interface TitlebarAndBackgroundColor : NSColor
{
  ToolbarWindow *mWindow; // [WEAK] (we are owned by the window)
}

- (id)initWithWindow:(ToolbarWindow*)aWindow;

@end

// NSWindow subclass for handling windows with toolbars.
@interface ToolbarWindow : BaseWindow
{
  TitlebarAndBackgroundColor *mColor; // strong
  CGFloat mUnifiedToolbarHeight;
  NSColor *mBackgroundColor; // strong
  NSView *mTitlebarView; // strong
  NSRect mWindowButtonsRect;
  NSRect mFullScreenButtonRect;
}
// Pass nil here to get the default appearance.
- (void)setTitlebarColor:(NSColor*)aColor forActiveWindow:(BOOL)aActive;
- (void)setUnifiedToolbarHeight:(CGFloat)aHeight;
- (CGFloat)unifiedToolbarHeight;
- (CGFloat)titlebarHeight;
- (NSRect)titlebarRect;
- (void)setTitlebarNeedsDisplayInRect:(NSRect)aRect sync:(BOOL)aSync;
- (void)setTitlebarNeedsDisplayInRect:(NSRect)aRect;
- (void)setDrawsContentsIntoWindowFrame:(BOOL)aState;
- (void)setSheetAttachmentPosition:(CGFloat)aY;
- (void)placeWindowButtons:(NSRect)aRect;
- (void)placeFullScreenButton:(NSRect)aRect;
- (NSPoint)windowButtonsPositionWithDefaultPosition:(NSPoint)aDefaultPosition;
- (NSPoint)fullScreenButtonPositionWithDefaultPosition:(NSPoint)aDefaultPosition;
- (void)setTemporaryBackgroundColor;
- (void)restoreBackgroundColor;
@end

class nsCocoaWindow : public nsBaseWidget, public nsPIWidgetCocoa
{
private:
  typedef nsBaseWidget Inherited;

public:

    nsCocoaWindow();

    NS_DECL_ISUPPORTS_INHERITED
    NS_DECL_NSPIWIDGETCOCOA

    virtual MOZ_MUST_USE nsresult Create(nsIWidget* aParent,
                                         nsNativeWidget aNativeParent,
                                         const DesktopIntRect& aRect,
                                         nsWidgetInitData* aInitData = nullptr)
                                         override;

    virtual MOZ_MUST_USE nsresult Create(nsIWidget* aParent,
                                         nsNativeWidget aNativeParent,
                                         const LayoutDeviceIntRect& aRect,
                                         nsWidgetInitData* aInitData = nullptr)
                                         override;

    virtual void            Destroy() override;

    NS_IMETHOD              Show(bool aState) override;
    virtual nsIWidget*      GetSheetWindowParent(void) override;
    NS_IMETHOD              Enable(bool aState) override;
    virtual bool            IsEnabled() const override;
    virtual void            SetModal(bool aState) override;
    virtual void            SetFakeModal(bool aState) override;
    virtual bool            IsRunningAppModal() override;
    virtual bool            IsVisible() const override;
    NS_IMETHOD              SetFocus(bool aState=false) override;
    virtual LayoutDeviceIntPoint WidgetToScreenOffset() override;
    virtual LayoutDeviceIntPoint GetClientOffset() override;
    virtual LayoutDeviceIntSize
    ClientToWindowSize(const LayoutDeviceIntSize& aClientSize) override;

    virtual void* GetNativeData(uint32_t aDataType) override;

    virtual void            ConstrainPosition(bool aAllowSlop,
                                              int32_t *aX, int32_t *aY) override;
    virtual void            SetSizeConstraints(const SizeConstraints& aConstraints) override;
    NS_IMETHOD              Move(double aX, double aY) override;
    virtual void            SetSizeMode(nsSizeMode aMode) override;
    NS_IMETHOD              HideWindowChrome(bool aShouldHide) override;

    void EnteredFullScreen(bool aFullScreen, bool aNativeMode = true);
    virtual bool PrepareForFullscreenTransition(nsISupports** aData) override;
    virtual void PerformFullscreenTransition(FullscreenTransitionStage aStage,
                                             uint16_t aDuration,
                                             nsISupports* aData,
                                             nsIRunnable* aCallback) override;
    virtual nsresult MakeFullScreen(
      bool aFullScreen, nsIScreen* aTargetScreen = nullptr) override final;
    NS_IMETHOD MakeFullScreenWithNativeTransition(
      bool aFullScreen, nsIScreen* aTargetScreen = nullptr) override final;
    NSAnimation* FullscreenTransitionAnimation() const { return mFullscreenTransitionAnimation; }
    void ReleaseFullscreenTransitionAnimation()
    {
      MOZ_ASSERT(mFullscreenTransitionAnimation,
                 "Should only be called when there is animation");
      [mFullscreenTransitionAnimation release];
      mFullscreenTransitionAnimation = nil;
    }

    NS_IMETHOD              Resize(double aWidth, double aHeight, bool aRepaint) override;
    NS_IMETHOD              Resize(double aX, double aY, double aWidth, double aHeight, bool aRepaint) override;
    virtual LayoutDeviceIntRect GetClientBounds() override;
    virtual LayoutDeviceIntRect GetScreenBounds() override;
    void                    ReportMoveEvent();
    void                    ReportSizeEvent();
    NS_IMETHOD              SetCursor(nsCursor aCursor) override;
    NS_IMETHOD              SetCursor(imgIContainer* aCursor, uint32_t aHotspotX, uint32_t aHotspotY) override;

    CGFloat                 BackingScaleFactor();
    void                    BackingScaleFactorChanged();
    virtual double          GetDefaultScaleInternal() override;
    virtual int32_t         RoundsWidgetCoordinatesTo() override;

    mozilla::DesktopToLayoutDeviceScale GetDesktopToDeviceScale() final {
      return mozilla::DesktopToLayoutDeviceScale(BackingScaleFactor());
    }

    NS_IMETHOD              SetTitle(const nsAString& aTitle) override;

    NS_IMETHOD Invalidate(const LayoutDeviceIntRect& aRect) override;
    virtual nsresult ConfigureChildren(const nsTArray<Configuration>& aConfigurations) override;
    virtual LayerManager* GetLayerManager(PLayerTransactionChild* aShadowManager = nullptr,
                                          LayersBackend aBackendHint = mozilla::layers::LayersBackend::LAYERS_NONE,
                                          LayerManagerPersistence aPersistence = LAYER_MANAGER_CURRENT) override;
    NS_IMETHOD DispatchEvent(mozilla::WidgetGUIEvent* aEvent,
                             nsEventStatus& aStatus) override;
    virtual void CaptureRollupEvents(nsIRollupListener * aListener,
                                     bool aDoCapture) override;
    NS_IMETHOD GetAttention(int32_t aCycleCount) override;
    virtual bool HasPendingInputEvent() override;
    virtual nsTransparencyMode GetTransparencyMode() override;
    virtual void SetTransparencyMode(nsTransparencyMode aMode) override;
    virtual void SetWindowShadowStyle(int32_t aStyle) override;
    virtual void SetShowsToolbarButton(bool aShow) override;
    virtual void SetShowsFullScreenButton(bool aShow) override;
    virtual void SetWindowAnimationType(WindowAnimationType aType) override;
    virtual void SetDrawsTitle(bool aDrawTitle) override;
    virtual void SetUseBrightTitlebarForeground(bool aBrightForeground) override;
    NS_IMETHOD SetNonClientMargins(LayoutDeviceIntMargin& aMargins) override;
    virtual void SetWindowTitlebarColor(nscolor aColor, bool aActive) override;
    virtual void SetDrawsInTitlebar(bool aState) override;
    virtual void UpdateThemeGeometries(const nsTArray<ThemeGeometry>& aThemeGeometries) override;
    virtual nsresult SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
                                                uint32_t aNativeMessage,
                                                uint32_t aModifierFlags,
                                                nsIObserver* aObserver) override;

    void DispatchSizeModeEvent();

    // be notified that a some form of drag event needs to go into Gecko
    virtual bool DragEvent(unsigned int aMessage, mozilla::gfx::Point aMouseGlobal, UInt16 aKeyModifiers);

    bool HasModalDescendents() { return mNumModalDescendents > 0; }
    NSWindow *GetCocoaWindow() { return mWindow; }

    void SetMenuBar(nsMenuBarX* aMenuBar);
    nsMenuBarX *GetMenuBar();

    NS_IMETHOD_(void) SetInputContext(
                        const InputContext& aContext,
                        const InputContextAction& aAction) override;
    NS_IMETHOD_(InputContext) GetInputContext() override
    {
      return mInputContext;
    }
    NS_IMETHOD_(bool) ExecuteNativeKeyBinding(
                        NativeKeyBindingsType aType,
                        const mozilla::WidgetKeyboardEvent& aEvent,
                        DoCommandCallback aCallback,
                        void* aCallbackData) override;

    void SetPopupWindowLevel();

protected:
  virtual ~nsCocoaWindow();

  nsresult             CreateNativeWindow(const NSRect &aRect,
                                          nsBorderStyle aBorderStyle,
                                          bool aRectIsFrameRect);
  nsresult             CreatePopupContentView(const LayoutDeviceIntRect &aRect);
  void                 DestroyNativeWindow();
  void                 AdjustWindowShadow();
  void                 SetWindowBackgroundBlur();
  void                 UpdateBounds();

  nsresult             DoResize(double aX, double aY, double aWidth, double aHeight,
                                bool aRepaint, bool aConstrainToCurrentScreen);

  inline bool ShouldToggleNativeFullscreen(bool aFullScreen,
                                           bool aUseSystemTransition);
  nsresult DoMakeFullScreen(bool aFullScreen, bool aUseSystemTransition);

  virtual already_AddRefed<nsIWidget>
  AllocateChildPopupWidget() override
  {
    static NS_DEFINE_IID(kCPopUpCID, NS_POPUP_CID);
    nsCOMPtr<nsIWidget> widget = do_CreateInstance(kCPopUpCID);
    return widget.forget();
  }

  nsIWidget*           mParent;         // if we're a popup, this is our parent [WEAK]
  nsIWidget*           mAncestorLink;   // link to traverse ancestors [WEAK]
  BaseWindow*          mWindow;         // our cocoa window [STRONG]
  WindowDelegate*      mDelegate;       // our delegate for processing window msgs [STRONG]
  RefPtr<nsMenuBarX> mMenuBar;
  NSWindow*            mSheetWindowParent; // if this is a sheet, this is the NSWindow it's attached to
  nsChildView*         mPopupContentView; // if this is a popup, this is its content widget
  // if this is a toplevel window, and there is any ongoing fullscreen
  // transition, it is the animation object.
  NSAnimation*         mFullscreenTransitionAnimation;
  int32_t              mShadowStyle;

  CGFloat              mBackingScaleFactor;

  WindowAnimationType  mAnimationType;

  bool                 mWindowMadeHere; // true if we created the window, false for embedding
  bool                 mSheetNeedsShow; // if this is a sheet, are we waiting to be shown?
                                        // this is used for sibling sheet contention only
  bool                 mInFullScreenMode;
  bool                 mInFullScreenTransition; // true from the request to enter/exit fullscreen
                                                // (MakeFullScreen() call) to EnteredFullScreen()
  bool                 mModal;
  bool                 mFakeModal;

  // Only true on 10.7+ if SetShowsFullScreenButton(true) is called.
  bool                 mSupportsNativeFullScreen;
  // Whether we are currently using native fullscreen. It could be false because
  // we are in the DOM fullscreen where we do not use the native fullscreen.
  bool                 mInNativeFullScreenMode;

  bool                 mIsAnimationSuppressed;

  bool                 mInReportMoveEvent; // true if in a call to ReportMoveEvent().
  bool                 mInResize; // true if in a call to DoResize().

  int32_t              mNumModalDescendents;
  InputContext         mInputContext;
};

#endif // nsCocoaWindow_h_