mirror of
https://github.com/classilla/tenfourfox.git
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183 lines
5.4 KiB
C++
183 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_MiscEvents_h__
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#define mozilla_MiscEvents_h__
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#include <stdint.h>
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#include "mozilla/BasicEvents.h"
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#include "nsCOMPtr.h"
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#include "nsIAtom.h"
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#include "nsITransferable.h"
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namespace mozilla {
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/******************************************************************************
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* mozilla::WidgetContentCommandEvent
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******************************************************************************/
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class WidgetContentCommandEvent : public WidgetGUIEvent
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{
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public:
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virtual WidgetContentCommandEvent* AsContentCommandEvent() override
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{
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return this;
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}
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WidgetContentCommandEvent(bool aIsTrusted, EventMessage aMessage,
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nsIWidget* aWidget,
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bool aOnlyEnabledCheck = false)
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: WidgetGUIEvent(aIsTrusted, aMessage, aWidget, eContentCommandEventClass)
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, mOnlyEnabledCheck(aOnlyEnabledCheck)
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, mSucceeded(false)
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, mIsEnabled(false)
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{
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}
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virtual WidgetEvent* Duplicate() const override
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{
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// This event isn't an internal event of any DOM event.
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NS_ASSERTION(!IsAllowedToDispatchDOMEvent(),
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"WidgetQueryContentEvent needs to support Duplicate()");
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MOZ_CRASH("WidgetQueryContentEvent doesn't support Duplicate()");
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return nullptr;
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}
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// eContentCommandPasteTransferable
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nsCOMPtr<nsITransferable> mTransferable; // [in]
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// eContentCommandScroll
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// for mScroll.mUnit
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enum
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{
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eCmdScrollUnit_Line,
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eCmdScrollUnit_Page,
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eCmdScrollUnit_Whole
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};
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struct ScrollInfo
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{
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ScrollInfo() :
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mAmount(0), mUnit(eCmdScrollUnit_Line), mIsHorizontal(false)
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{
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}
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int32_t mAmount; // [in]
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uint8_t mUnit; // [in]
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bool mIsHorizontal; // [in]
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} mScroll;
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bool mOnlyEnabledCheck; // [in]
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bool mSucceeded; // [out]
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bool mIsEnabled; // [out]
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void AssignContentCommandEventData(const WidgetContentCommandEvent& aEvent,
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bool aCopyTargets)
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{
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AssignGUIEventData(aEvent, aCopyTargets);
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mScroll = aEvent.mScroll;
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mOnlyEnabledCheck = aEvent.mOnlyEnabledCheck;
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mSucceeded = aEvent.mSucceeded;
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mIsEnabled = aEvent.mIsEnabled;
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}
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};
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/******************************************************************************
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* mozilla::WidgetCommandEvent
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*
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* This sends a command to chrome. If you want to request what is performed
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* in focused content, you should use WidgetContentCommandEvent instead.
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*
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* XXX Should be |WidgetChromeCommandEvent|?
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******************************************************************************/
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class WidgetCommandEvent : public WidgetGUIEvent
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{
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public:
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virtual WidgetCommandEvent* AsCommandEvent() override { return this; }
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WidgetCommandEvent(bool aIsTrusted, nsIAtom* aEventType,
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nsIAtom* aCommand, nsIWidget* aWidget)
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: WidgetGUIEvent(aIsTrusted, eUnidentifiedEvent, aWidget,
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eCommandEventClass)
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, command(aCommand)
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{
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userType = aEventType;
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}
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virtual WidgetEvent* Duplicate() const override
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{
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MOZ_ASSERT(mClass == eCommandEventClass,
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"Duplicate() must be overridden by sub class");
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// Not copying widget, it is a weak reference.
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WidgetCommandEvent* result =
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new WidgetCommandEvent(false, userType, command, nullptr);
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result->AssignCommandEventData(*this, true);
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result->mFlags = mFlags;
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return result;
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}
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nsCOMPtr<nsIAtom> command;
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// XXX Not tested by test_assign_event_data.html
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void AssignCommandEventData(const WidgetCommandEvent& aEvent,
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bool aCopyTargets)
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{
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AssignGUIEventData(aEvent, aCopyTargets);
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// command must have been initialized with the constructor.
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}
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};
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/******************************************************************************
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* mozilla::WidgetPluginEvent
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*
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* This event delivers only a native event to focused plugin.
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******************************************************************************/
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class WidgetPluginEvent : public WidgetGUIEvent
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{
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public:
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virtual WidgetPluginEvent* AsPluginEvent() override { return this; }
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WidgetPluginEvent(bool aIsTrusted, EventMessage aMessage, nsIWidget* aWidget)
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: WidgetGUIEvent(aIsTrusted, aMessage, aWidget, ePluginEventClass)
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, retargetToFocusedDocument(false)
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{
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}
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virtual WidgetEvent* Duplicate() const override
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{
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// NOTE: PluginEvent has to be dispatched to nsIFrame::HandleEvent().
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// So, this event needs to support Duplicate().
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MOZ_ASSERT(mClass == ePluginEventClass,
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"Duplicate() must be overridden by sub class");
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// Not copying widget, it is a weak reference.
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WidgetPluginEvent* result = new WidgetPluginEvent(false, mMessage, nullptr);
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result->AssignPluginEventData(*this, true);
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result->mFlags = mFlags;
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return result;
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}
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// If true, this event needs to be retargeted to focused document.
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// Otherwise, never retargeted. Defaults to false.
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bool retargetToFocusedDocument;
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void AssignPluginEventData(const WidgetPluginEvent& aEvent,
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bool aCopyTargets)
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{
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AssignGUIEventData(aEvent, aCopyTargets);
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retargetToFocusedDocument = aEvent.retargetToFocusedDocument;
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}
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};
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} // namespace mozilla
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#endif // mozilla_MiscEvents_h__
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