blob: 7244ebea4b3c238785d5b474d8a9a8bdd9955bf6 (
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
|
/* -*- 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 EditorEventListener_h
#define EditorEventListener_h
#include "mozilla/EventForwards.h"
#include "nsCOMPtr.h"
#include "nsError.h"
#include "nsIDOMEventListener.h"
#include "nsISupportsImpl.h"
#include "nscore.h"
class nsCaret;
class nsIContent;
class nsIDOMDragEvent;
class nsIDOMEvent;
class nsIDOMKeyEvent;
class nsIDOMMouseEvent;
class nsIPresShell;
class nsPresContext;
// X.h defines KeyPress
#ifdef KeyPress
#undef KeyPress
#endif
#ifdef XP_WIN
// On Windows, we support switching the text direction by pressing Ctrl+Shift
#define HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
#endif
namespace mozilla {
class EditorBase;
class EditorEventListener : public nsIDOMEventListener
{
public:
EditorEventListener();
virtual nsresult Connect(EditorBase* aEditorBase);
void Disconnect();
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
void SpellCheckIfNeeded();
protected:
virtual ~EditorEventListener();
nsresult InstallToEditor();
void UninstallFromEditor();
#ifdef HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
nsresult KeyDown(nsIDOMKeyEvent* aKeyEvent);
nsresult KeyUp(nsIDOMKeyEvent* aKeyEvent);
#endif
nsresult KeyPress(nsIDOMKeyEvent* aKeyEvent);
nsresult HandleChangeComposition(WidgetCompositionEvent* aCompositionEvent);
nsresult HandleStartComposition(WidgetCompositionEvent* aCompositionEvent);
void HandleEndComposition(WidgetCompositionEvent* aCompositionEvent);
virtual nsresult MouseDown(nsIDOMMouseEvent* aMouseEvent);
virtual nsresult MouseUp(nsIDOMMouseEvent* aMouseEvent) { return NS_OK; }
virtual nsresult MouseClick(nsIDOMMouseEvent* aMouseEvent);
nsresult Focus(WidgetEvent* aFocusEvent);
nsresult Blur(WidgetEvent* aBlurEvent);
nsresult DragEnter(nsIDOMDragEvent* aDragEvent);
nsresult DragOver(nsIDOMDragEvent* aDragEvent);
nsresult DragExit(nsIDOMDragEvent* aDragEvent);
nsresult Drop(nsIDOMDragEvent* aDragEvent);
bool CanDrop(nsIDOMDragEvent* aEvent);
void CleanupDragDropCaret();
already_AddRefed<nsIPresShell> GetPresShell();
nsPresContext* GetPresContext();
nsIContent* GetFocusedRootContent();
// Returns true if IME consumes the mouse event.
bool NotifyIMEOfMouseButtonEvent(nsIDOMMouseEvent* aMouseEvent);
bool EditorHasFocus();
bool IsFileControlTextBox();
bool ShouldHandleNativeKeyBindings(nsIDOMKeyEvent* aKeyEvent);
nsresult HandleMiddleClickPaste(nsIDOMMouseEvent* aMouseEvent);
/**
* DetachedFromEditor() returns true if editor was detached.
* Otherwise, false.
*/
bool DetachedFromEditor() const;
/**
* DetachedFromEditorOrDefaultPrevented() returns true if editor was detached
* and/or the event was consumed. Otherwise, i.e., attached editor can
* handle the event, returns true.
*/
bool DetachedFromEditorOrDefaultPrevented(WidgetEvent* aEvent) const;
EditorBase* mEditorBase; // weak
RefPtr<nsCaret> mCaret;
bool mCommitText;
bool mInTransaction;
bool mMouseDownOrUpConsumedByIME;
#ifdef HANDLE_NATIVE_TEXT_DIRECTION_SWITCH
bool mHaveBidiKeyboards;
bool mShouldSwitchTextDirection;
bool mSwitchToRTL;
#endif
};
} // namespace mozilla
#endif // #ifndef EditorEventListener_h
|
