gecko-dev/xpfe/appshell/nsXULWindow.h
Brendan Dahl 295e2f4aca Bug 1453788 - Allow top level HTML windows to have persistent window state. r=smaug
Move tracking of persistent window state into nsXULWindow. Also, move
special handling of the width/height of the window into nsXULWindow.

MozReview-Commit-ID: LOmHGyYeNSU

--HG--
extra : rebase_source : bcea16eb6209ff789948644a64968a7325cea4ef
2018-04-26 17:53:54 -07:00

204 lines
7.8 KiB
C++

/* -*- Mode: C++; tab-width: 2; 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 nsXULWindow_h__
#define nsXULWindow_h__
// Local Includes
#include "nsChromeTreeOwner.h"
#include "nsContentTreeOwner.h"
// Helper classes
#include "nsCOMPtr.h"
#include "nsTArray.h"
#include "nsString.h"
#include "nsWeakReference.h"
#include "nsCOMArray.h"
#include "nsRect.h"
#include "Units.h"
// Interfaces needed
#include "nsIBaseWindow.h"
#include "nsIDocShell.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDOMWindow.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIXULWindow.h"
#include "nsIPrompt.h"
#include "nsIAuthPrompt.h"
#include "nsIXULBrowserWindow.h"
#include "nsIWeakReference.h"
#include "nsIWidgetListener.h"
#include "nsITabParent.h"
#include "nsIXULStore.h"
namespace mozilla {
namespace dom {
class Element;
} // namespace dom
} // namespace mozilla
class nsAtom;
// nsXULWindow
#define NS_XULWINDOW_IMPL_CID \
{ /* 8eaec2f3-ed02-4be2-8e0f-342798477298 */ \
0x8eaec2f3, \
0xed02, \
0x4be2, \
{ 0x8e, 0x0f, 0x34, 0x27, 0x98, 0x47, 0x72, 0x98 } \
}
class nsContentShellInfo;
class nsXULWindow : public nsIBaseWindow,
public nsIInterfaceRequestor,
public nsIXULWindow,
public nsSupportsWeakReference
{
friend class nsChromeTreeOwner;
friend class nsContentTreeOwner;
public:
NS_DECL_THREADSAFE_ISUPPORTS
NS_DECL_NSIINTERFACEREQUESTOR
NS_DECL_NSIXULWINDOW
NS_DECL_NSIBASEWINDOW
NS_DECLARE_STATIC_IID_ACCESSOR(NS_XULWINDOW_IMPL_CID)
void LockUntilChromeLoad() { mLockedUntilChromeLoad = true; }
bool IsLocked() const { return mLockedUntilChromeLoad; }
void IgnoreXULSizeMode(bool aEnable) { mIgnoreXULSizeMode = aEnable; }
void WasRegistered() { mRegistered = true; }
protected:
enum persistentAttributes {
PAD_MISC = 0x1,
PAD_POSITION = 0x2,
PAD_SIZE = 0x4
};
explicit nsXULWindow(uint32_t aChromeFlags);
virtual ~nsXULWindow();
NS_IMETHOD EnsureChromeTreeOwner();
NS_IMETHOD EnsureContentTreeOwner();
NS_IMETHOD EnsurePrimaryContentTreeOwner();
NS_IMETHOD EnsurePrompter();
NS_IMETHOD EnsureAuthPrompter();
NS_IMETHOD ForceRoundedDimensions();
NS_IMETHOD GetAvailScreenSize(int32_t* aAvailWidth, int32_t* aAvailHeight);
void ApplyChromeFlags();
void SizeShell();
void OnChromeLoaded();
void StaggerPosition(int32_t &aRequestedX, int32_t &aRequestedY,
int32_t aSpecWidth, int32_t aSpecHeight);
bool LoadPositionFromXUL(int32_t aSpecWidth, int32_t aSpecHeight);
bool LoadSizeFromXUL(int32_t& aSpecWidth, int32_t& aSpecHeight);
void SetSpecifiedSize(int32_t aSpecWidth, int32_t aSpecHeight);
bool LoadMiscPersistentAttributesFromXUL();
void SyncAttributesToWidget();
NS_IMETHOD SavePersistentAttributes();
NS_IMETHOD GetWindowDOMWindow(mozIDOMWindowProxy** aDOMWindow);
mozilla::dom::Element* GetWindowDOMElement() const;
// See nsIDocShellTreeOwner for docs on next two methods
nsresult ContentShellAdded(nsIDocShellTreeItem* aContentShell,
bool aPrimary);
nsresult ContentShellRemoved(nsIDocShellTreeItem* aContentShell);
NS_IMETHOD GetPrimaryContentSize(int32_t* aWidth,
int32_t* aHeight);
NS_IMETHOD SetPrimaryContentSize(int32_t aWidth,
int32_t aHeight);
nsresult GetRootShellSize(int32_t* aWidth,
int32_t* aHeight);
nsresult SetRootShellSize(int32_t aWidth,
int32_t aHeight);
NS_IMETHOD SizeShellTo(nsIDocShellTreeItem* aShellItem, int32_t aCX,
int32_t aCY);
NS_IMETHOD ExitModalLoop(nsresult aStatus);
NS_IMETHOD CreateNewChromeWindow(int32_t aChromeFlags, nsITabParent* aOpeningTab, mozIDOMWindowProxy* aOpenerWindow, nsIXULWindow **_retval);
NS_IMETHOD CreateNewContentWindow(int32_t aChromeFlags,
nsITabParent* aOpeningTab,
mozIDOMWindowProxy* aOpenerWindow,
uint64_t aNextTabParentId,
nsIXULWindow **_retval);
NS_IMETHOD GetHasPrimaryContent(bool* aResult);
void EnableParent(bool aEnable);
bool ConstrainToZLevel(bool aImmediate, nsWindowZ *aPlacement,
nsIWidget *aReqBelow, nsIWidget **aActualBelow);
void PlaceWindowLayersBehind(uint32_t aLowLevel, uint32_t aHighLevel,
nsIXULWindow *aBehind);
void SetContentScrollbarVisibility(bool aVisible);
bool GetContentScrollbarVisibility();
void PersistentAttributesDirty(uint32_t aDirtyFlags);
nsresult GetTabCount(uint32_t* aResult);
void LoadPersistentWindowState();
nsresult GetPersistentValue(const nsAtom* aAttr,
nsAString& aValue);
nsresult SetPersistentValue(const nsAtom* aAttr,
const nsAString& aValue);
nsChromeTreeOwner* mChromeTreeOwner;
nsContentTreeOwner* mContentTreeOwner;
nsContentTreeOwner* mPrimaryContentTreeOwner;
nsCOMPtr<nsIWidget> mWindow;
nsCOMPtr<nsIDocShell> mDocShell;
nsCOMPtr<nsPIDOMWindowOuter> mDOMWindow;
nsCOMPtr<nsIWeakReference> mParentWindow;
nsCOMPtr<nsIPrompt> mPrompter;
nsCOMPtr<nsIAuthPrompt> mAuthPrompter;
nsCOMPtr<nsIXULBrowserWindow> mXULBrowserWindow;
nsCOMPtr<nsIDocShellTreeItem> mPrimaryContentShell;
nsresult mModalStatus;
bool mContinueModalLoop;
bool mDebuting; // being made visible right now
bool mChromeLoaded; // True when chrome has loaded
bool mPersistentWindowStateLoaded;
bool mSizingShellFromXUL; // true when in SizeShell()
bool mShowAfterLoad;
bool mIntrinsicallySized;
bool mCenterAfterLoad;
bool mIsHiddenWindow;
bool mLockedUntilChromeLoad;
bool mIgnoreXULSize;
bool mIgnoreXULPosition;
bool mChromeFlagsFrozen;
bool mIgnoreXULSizeMode;
// mDestroying is used to prevent reentry into into Destroy(), which can
// otherwise happen due to script running as we tear down various things.
bool mDestroying;
bool mRegistered;
uint32_t mPersistentAttributesDirty; // persistentAttributes
uint32_t mPersistentAttributesMask;
uint32_t mChromeFlags;
uint64_t mNextTabParentId;
nsString mTitle;
nsIntRect mOpenerScreenRect; // the screen rect of the opener
nsCOMPtr<nsITabParent> mPrimaryTabParent;
private:
// GetPrimaryTabParentSize is called from xpidl methods and we don't have a
// good way to annotate those with MOZ_CAN_RUN_SCRIPT yet. It takes no
// refcounted args other than "this", and the "this" uses seem ok.
MOZ_CAN_RUN_SCRIPT_BOUNDARY nsresult GetPrimaryTabParentSize(int32_t* aWidth, int32_t* aHeight);
nsresult GetPrimaryContentShellSize(int32_t* aWidth, int32_t* aHeight);
nsresult SetPrimaryTabParentSize(int32_t aWidth, int32_t aHeight);
nsCOMPtr<nsIXULStore> mLocalStore;
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsXULWindow, NS_XULWINDOW_IMPL_CID)
#endif /* nsXULWindow_h__ */