1 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 : /* ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is mozilla.org code.
16 : *
17 : * The Initial Developer of the Original Code is
18 : * Netscape Communications Corporation.
19 : * Portions created by the Initial Developer are Copyright (C) 1998
20 : * the Initial Developer. All Rights Reserved.
21 : *
22 : * Contributor(s):
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either of the GNU General Public License Version 2 or later (the "GPL"),
26 : * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #ifndef nsFileControlFrame_h___
39 : #define nsFileControlFrame_h___
40 :
41 : #include "nsBlockFrame.h"
42 : #include "nsIFormControlFrame.h"
43 : #include "nsIDOMEventListener.h"
44 : #include "nsIAnonymousContentCreator.h"
45 : #include "nsICapturePicker.h"
46 : #include "nsCOMPtr.h"
47 :
48 : class nsTextControlFrame;
49 : class nsIDOMDragEvent;
50 :
51 : class nsFileControlFrame : public nsBlockFrame,
52 : public nsIFormControlFrame,
53 : public nsIAnonymousContentCreator
54 0 : {
55 : public:
56 : nsFileControlFrame(nsStyleContext* aContext);
57 :
58 : NS_IMETHOD Init(nsIContent* aContent,
59 : nsIFrame* aParent,
60 : nsIFrame* aPrevInFlow);
61 :
62 : NS_IMETHOD BuildDisplayList(nsDisplayListBuilder* aBuilder,
63 : const nsRect& aDirtyRect,
64 : const nsDisplayListSet& aLists);
65 :
66 : NS_DECL_QUERYFRAME
67 : NS_DECL_FRAMEARENA_HELPERS
68 :
69 : // nsIFormControlFrame
70 : virtual nsresult SetFormProperty(nsIAtom* aName, const nsAString& aValue);
71 : virtual nsresult GetFormProperty(nsIAtom* aName, nsAString& aValue) const;
72 : virtual void SetFocus(bool aOn, bool aRepaint);
73 :
74 : virtual nscoord GetMinWidth(nsRenderingContext *aRenderingContext);
75 :
76 : virtual void DestroyFrom(nsIFrame* aDestructRoot);
77 :
78 : #ifdef NS_DEBUG
79 : NS_IMETHOD GetFrameName(nsAString& aResult) const;
80 : #endif
81 :
82 : NS_IMETHOD AttributeChanged(PRInt32 aNameSpaceID,
83 : nsIAtom* aAttribute,
84 : PRInt32 aModType);
85 : virtual void ContentStatesChanged(nsEventStates aStates);
86 : virtual bool IsLeaf() const;
87 :
88 :
89 :
90 : // nsIAnonymousContentCreator
91 : virtual nsresult CreateAnonymousContent(nsTArray<ContentInfo>& aElements);
92 : virtual void AppendAnonymousContentTo(nsBaseContentList& aElements,
93 : PRUint32 aFilter);
94 :
95 : #ifdef ACCESSIBILITY
96 : virtual already_AddRefed<nsAccessible> CreateAccessible();
97 : #endif
98 :
99 : typedef bool (*AcceptAttrCallback)(const nsAString&, void*);
100 :
101 : protected:
102 :
103 : struct CaptureCallbackData {
104 : nsICapturePicker* picker;
105 : PRUint32 mode;
106 : };
107 :
108 : PRUint32 GetCaptureMode(const CaptureCallbackData& aData);
109 :
110 : class MouseListener;
111 : friend class MouseListener;
112 : class MouseListener : public nsIDOMEventListener {
113 : public:
114 : NS_DECL_ISUPPORTS
115 :
116 0 : MouseListener(nsFileControlFrame* aFrame) :
117 0 : mFrame(aFrame)
118 0 : {}
119 :
120 0 : void ForgetFrame() {
121 0 : mFrame = nsnull;
122 0 : }
123 :
124 : protected:
125 : nsFileControlFrame* mFrame;
126 : };
127 :
128 : class SyncDisabledStateEvent;
129 : friend class SyncDisabledStateEvent;
130 : class SyncDisabledStateEvent : public nsRunnable
131 0 : {
132 : public:
133 0 : SyncDisabledStateEvent(nsFileControlFrame* aFrame)
134 0 : : mFrame(aFrame)
135 0 : {}
136 :
137 0 : NS_IMETHOD Run() {
138 0 : nsFileControlFrame* frame = static_cast<nsFileControlFrame*>(mFrame.GetFrame());
139 0 : NS_ENSURE_STATE(frame);
140 :
141 0 : frame->SyncDisabledState();
142 0 : return NS_OK;
143 : }
144 :
145 : private:
146 : nsWeakFrame mFrame;
147 : };
148 :
149 : class CaptureMouseListener: public MouseListener {
150 : public:
151 0 : CaptureMouseListener(nsFileControlFrame* aFrame) : MouseListener(aFrame),
152 0 : mMode(0) {};
153 : NS_DECL_NSIDOMEVENTLISTENER
154 : PRUint32 mMode;
155 : };
156 :
157 : class BrowseMouseListener: public MouseListener {
158 : public:
159 0 : BrowseMouseListener(nsFileControlFrame* aFrame) : MouseListener(aFrame) {};
160 : NS_DECL_NSIDOMEVENTLISTENER
161 :
162 : static bool IsValidDropData(nsIDOMDragEvent* aEvent);
163 : };
164 :
165 0 : virtual bool IsFrameOfType(PRUint32 aFlags) const
166 : {
167 : return nsBlockFrame::IsFrameOfType(aFlags &
168 0 : ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock));
169 : }
170 :
171 : virtual PRIntn GetSkipSides() const;
172 :
173 : /**
174 : * The text box input.
175 : * @see nsFileControlFrame::CreateAnonymousContent
176 : */
177 : nsCOMPtr<nsIContent> mTextContent;
178 : /**
179 : * The browse button input.
180 : * @see nsFileControlFrame::CreateAnonymousContent
181 : */
182 : nsCOMPtr<nsIContent> mBrowse;
183 :
184 : /**
185 : * The capture button input.
186 : * @see nsFileControlFrame::CreateAnonymousContent
187 : */
188 : nsCOMPtr<nsIContent> mCapture;
189 :
190 : /**
191 : * Our mouse listener. This makes sure we don't get used after destruction.
192 : */
193 : nsRefPtr<BrowseMouseListener> mMouseListener;
194 : nsRefPtr<CaptureMouseListener> mCaptureMouseListener;
195 :
196 : protected:
197 : /**
198 : * @return the text control frame, or null if not found
199 : */
200 : nsTextControlFrame* GetTextControlFrame();
201 :
202 : /**
203 : * Copy an attribute from file content to text and button content.
204 : * @param aNameSpaceID namespace of attr
205 : * @param aAttribute attribute atom
206 : * @param aWhichControls which controls to apply to (SYNC_TEXT or SYNC_FILE)
207 : */
208 : void SyncAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute,
209 : PRInt32 aWhichControls);
210 :
211 : /**
212 : * Sync the disabled state of the content with anonymous children.
213 : */
214 : void SyncDisabledState();
215 : };
216 :
217 : #endif
218 :
219 :
|