Tue, 06 Jan 2015 21:39:09 +0100
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 5 | |
michael@0 | 6 | #ifndef nsFileControlFrame_h___ |
michael@0 | 7 | #define nsFileControlFrame_h___ |
michael@0 | 8 | |
michael@0 | 9 | #include "mozilla/Attributes.h" |
michael@0 | 10 | #include "nsBlockFrame.h" |
michael@0 | 11 | #include "nsIFormControlFrame.h" |
michael@0 | 12 | #include "nsIDOMEventListener.h" |
michael@0 | 13 | #include "nsIAnonymousContentCreator.h" |
michael@0 | 14 | #include "nsCOMPtr.h" |
michael@0 | 15 | |
michael@0 | 16 | class nsTextControlFrame; |
michael@0 | 17 | class nsIDOMDragEvent; |
michael@0 | 18 | |
michael@0 | 19 | class nsFileControlFrame : public nsBlockFrame, |
michael@0 | 20 | public nsIFormControlFrame, |
michael@0 | 21 | public nsIAnonymousContentCreator |
michael@0 | 22 | { |
michael@0 | 23 | public: |
michael@0 | 24 | nsFileControlFrame(nsStyleContext* aContext); |
michael@0 | 25 | |
michael@0 | 26 | virtual void Init(nsIContent* aContent, |
michael@0 | 27 | nsIFrame* aParent, |
michael@0 | 28 | nsIFrame* aPrevInFlow) MOZ_OVERRIDE; |
michael@0 | 29 | |
michael@0 | 30 | virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder, |
michael@0 | 31 | const nsRect& aDirtyRect, |
michael@0 | 32 | const nsDisplayListSet& aLists) MOZ_OVERRIDE; |
michael@0 | 33 | |
michael@0 | 34 | NS_DECL_QUERYFRAME |
michael@0 | 35 | NS_DECL_FRAMEARENA_HELPERS |
michael@0 | 36 | |
michael@0 | 37 | // nsIFormControlFrame |
michael@0 | 38 | virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue) MOZ_OVERRIDE; |
michael@0 | 39 | virtual void SetFocus(bool aOn, bool aRepaint) MOZ_OVERRIDE; |
michael@0 | 40 | |
michael@0 | 41 | virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext) MOZ_OVERRIDE; |
michael@0 | 42 | |
michael@0 | 43 | virtual void DestroyFrom(nsIFrame* aDestructRoot) MOZ_OVERRIDE; |
michael@0 | 44 | |
michael@0 | 45 | #ifdef DEBUG_FRAME_DUMP |
michael@0 | 46 | virtual nsresult GetFrameName(nsAString& aResult) const MOZ_OVERRIDE; |
michael@0 | 47 | #endif |
michael@0 | 48 | |
michael@0 | 49 | virtual nsresult AttributeChanged(int32_t aNameSpaceID, |
michael@0 | 50 | nsIAtom* aAttribute, |
michael@0 | 51 | int32_t aModType) MOZ_OVERRIDE; |
michael@0 | 52 | virtual void ContentStatesChanged(mozilla::EventStates aStates) MOZ_OVERRIDE; |
michael@0 | 53 | virtual bool IsLeaf() const MOZ_OVERRIDE |
michael@0 | 54 | { |
michael@0 | 55 | return true; |
michael@0 | 56 | } |
michael@0 | 57 | |
michael@0 | 58 | // nsIAnonymousContentCreator |
michael@0 | 59 | virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements) MOZ_OVERRIDE; |
michael@0 | 60 | virtual void AppendAnonymousContentTo(nsBaseContentList& aElements, |
michael@0 | 61 | uint32_t aFilter) MOZ_OVERRIDE; |
michael@0 | 62 | |
michael@0 | 63 | #ifdef ACCESSIBILITY |
michael@0 | 64 | virtual mozilla::a11y::AccType AccessibleType() MOZ_OVERRIDE; |
michael@0 | 65 | #endif |
michael@0 | 66 | |
michael@0 | 67 | typedef bool (*AcceptAttrCallback)(const nsAString&, void*); |
michael@0 | 68 | |
michael@0 | 69 | protected: |
michael@0 | 70 | |
michael@0 | 71 | class MouseListener; |
michael@0 | 72 | friend class MouseListener; |
michael@0 | 73 | class MouseListener : public nsIDOMEventListener { |
michael@0 | 74 | public: |
michael@0 | 75 | NS_DECL_ISUPPORTS |
michael@0 | 76 | |
michael@0 | 77 | MouseListener(nsFileControlFrame* aFrame) |
michael@0 | 78 | : mFrame(aFrame) |
michael@0 | 79 | {} |
michael@0 | 80 | virtual ~MouseListener() {} |
michael@0 | 81 | |
michael@0 | 82 | void ForgetFrame() { |
michael@0 | 83 | mFrame = nullptr; |
michael@0 | 84 | } |
michael@0 | 85 | |
michael@0 | 86 | protected: |
michael@0 | 87 | nsFileControlFrame* mFrame; |
michael@0 | 88 | }; |
michael@0 | 89 | |
michael@0 | 90 | class SyncDisabledStateEvent; |
michael@0 | 91 | friend class SyncDisabledStateEvent; |
michael@0 | 92 | class SyncDisabledStateEvent : public nsRunnable |
michael@0 | 93 | { |
michael@0 | 94 | public: |
michael@0 | 95 | SyncDisabledStateEvent(nsFileControlFrame* aFrame) |
michael@0 | 96 | : mFrame(aFrame) |
michael@0 | 97 | {} |
michael@0 | 98 | |
michael@0 | 99 | NS_IMETHOD Run() MOZ_OVERRIDE { |
michael@0 | 100 | nsFileControlFrame* frame = static_cast<nsFileControlFrame*>(mFrame.GetFrame()); |
michael@0 | 101 | NS_ENSURE_STATE(frame); |
michael@0 | 102 | |
michael@0 | 103 | frame->SyncDisabledState(); |
michael@0 | 104 | return NS_OK; |
michael@0 | 105 | } |
michael@0 | 106 | |
michael@0 | 107 | private: |
michael@0 | 108 | nsWeakFrame mFrame; |
michael@0 | 109 | }; |
michael@0 | 110 | |
michael@0 | 111 | class DnDListener: public MouseListener { |
michael@0 | 112 | public: |
michael@0 | 113 | DnDListener(nsFileControlFrame* aFrame) |
michael@0 | 114 | : MouseListener(aFrame) |
michael@0 | 115 | {} |
michael@0 | 116 | |
michael@0 | 117 | NS_DECL_NSIDOMEVENTLISTENER |
michael@0 | 118 | |
michael@0 | 119 | static bool IsValidDropData(nsIDOMDragEvent* aEvent); |
michael@0 | 120 | }; |
michael@0 | 121 | |
michael@0 | 122 | virtual bool IsFrameOfType(uint32_t aFlags) const MOZ_OVERRIDE |
michael@0 | 123 | { |
michael@0 | 124 | return nsBlockFrame::IsFrameOfType(aFlags & |
michael@0 | 125 | ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock)); |
michael@0 | 126 | } |
michael@0 | 127 | |
michael@0 | 128 | /** |
michael@0 | 129 | * The text box input. |
michael@0 | 130 | * @see nsFileControlFrame::CreateAnonymousContent |
michael@0 | 131 | */ |
michael@0 | 132 | nsCOMPtr<nsIContent> mTextContent; |
michael@0 | 133 | /** |
michael@0 | 134 | * The browse button input. |
michael@0 | 135 | * @see nsFileControlFrame::CreateAnonymousContent |
michael@0 | 136 | */ |
michael@0 | 137 | nsCOMPtr<nsIContent> mBrowse; |
michael@0 | 138 | |
michael@0 | 139 | /** |
michael@0 | 140 | * Drag and drop mouse listener. |
michael@0 | 141 | * This makes sure we don't get used after destruction. |
michael@0 | 142 | */ |
michael@0 | 143 | nsRefPtr<DnDListener> mMouseListener; |
michael@0 | 144 | |
michael@0 | 145 | protected: |
michael@0 | 146 | /** |
michael@0 | 147 | * Sync the disabled state of the content with anonymous children. |
michael@0 | 148 | */ |
michael@0 | 149 | void SyncDisabledState(); |
michael@0 | 150 | |
michael@0 | 151 | /** |
michael@0 | 152 | * Updates the displayed value by using aValue. |
michael@0 | 153 | */ |
michael@0 | 154 | void UpdateDisplayedValue(const nsAString& aValue, bool aNotify); |
michael@0 | 155 | }; |
michael@0 | 156 | |
michael@0 | 157 | #endif // nsFileControlFrame_h___ |