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-rw-r--r--base/base.gypi4
-rw-r--r--base/base_drag_source.cc61
-rw-r--r--base/base_drag_source.h57
-rw-r--r--base/base_drop_target.cc170
-rw-r--r--base/base_drop_target.h129
5 files changed, 0 insertions, 421 deletions
diff --git a/base/base.gypi b/base/base.gypi
index b449a89..b90c033 100644
--- a/base/base.gypi
+++ b/base/base.gypi
@@ -426,10 +426,6 @@
'auto_reset.h',
'base64.cc',
'base64.h',
- 'base_drag_source.cc',
- 'base_drag_source.h',
- 'base_drop_target.cc',
- 'base_drop_target.h',
'data_pack.cc',
'event_recorder.cc',
'event_recorder.h',
diff --git a/base/base_drag_source.cc b/base/base_drag_source.cc
deleted file mode 100644
index 9b335a7..0000000
--- a/base/base_drag_source.cc
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/base_drag_source.h"
-
-///////////////////////////////////////////////////////////////////////////////
-// BaseDragSource, public:
-
-BaseDragSource::BaseDragSource() : cancel_drag_(false) {
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// BaseDragSource, IDropSource implementation:
-
-HRESULT BaseDragSource::QueryContinueDrag(BOOL escape_pressed,
- DWORD key_state) {
- if (cancel_drag_)
- return DRAGDROP_S_CANCEL;
-
- if (escape_pressed) {
- OnDragSourceCancel();
- return DRAGDROP_S_CANCEL;
- }
-
- if (!(key_state & MK_LBUTTON)) {
- OnDragSourceDrop();
- return DRAGDROP_S_DROP;
- }
-
- OnDragSourceMove();
- return S_OK;
-}
-
-HRESULT BaseDragSource::GiveFeedback(DWORD effect) {
- return DRAGDROP_S_USEDEFAULTCURSORS;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// BaseDragSource, IUnknown implementation:
-
-HRESULT BaseDragSource::QueryInterface(const IID& iid, void** object) {
- *object = NULL;
- if (IsEqualIID(iid, IID_IUnknown) || IsEqualIID(iid, IID_IDropSource)) {
- *object = this;
- } else {
- return E_NOINTERFACE;
- }
- AddRef();
- return S_OK;
-}
-
-ULONG BaseDragSource::AddRef() {
- base::RefCountedThreadSafe<BaseDragSource>::AddRef();
- return 0;
-}
-
-ULONG BaseDragSource::Release() {
- base::RefCountedThreadSafe<BaseDragSource>::Release();
- return 0;
-}
diff --git a/base/base_drag_source.h b/base/base_drag_source.h
deleted file mode 100644
index c8fcc7e..0000000
--- a/base/base_drag_source.h
+++ /dev/null
@@ -1,57 +0,0 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef BASE_BASE_DRAG_SOURCE_H_
-#define BASE_BASE_DRAG_SOURCE_H_
-#pragma once
-
-#include <objidl.h>
-
-#include "base/basictypes.h"
-#include "base/ref_counted.h"
-
-///////////////////////////////////////////////////////////////////////////////
-//
-// BaseDragSource
-//
-// A base IDropSource implementation. Handles notifications sent by an active
-// drag-drop operation as the user mouses over other drop targets on their
-// system. This object tells Windows whether or not the drag should continue,
-// and supplies the appropriate cursors.
-//
-class BaseDragSource : public IDropSource,
- public base::RefCountedThreadSafe<BaseDragSource> {
- public:
- BaseDragSource();
- virtual ~BaseDragSource() { }
-
- // Stop the drag operation at the next chance we get. This doesn't
- // synchronously stop the drag (since Windows is controlling that),
- // but lets us tell Windows to cancel the drag the next chance we get.
- void CancelDrag() {
- cancel_drag_ = true;
- }
-
- // IDropSource implementation:
- HRESULT __stdcall QueryContinueDrag(BOOL escape_pressed, DWORD key_state);
- HRESULT __stdcall GiveFeedback(DWORD effect);
-
- // IUnknown implementation:
- HRESULT __stdcall QueryInterface(const IID& iid, void** object);
- ULONG __stdcall AddRef();
- ULONG __stdcall Release();
-
- protected:
- virtual void OnDragSourceCancel() { }
- virtual void OnDragSourceDrop() { }
- virtual void OnDragSourceMove() { }
-
- private:
- // Set to true if we want to cancel the drag operation.
- bool cancel_drag_;
-
- DISALLOW_COPY_AND_ASSIGN(BaseDragSource);
-};
-
-#endif // BASE_BASE_DRAG_SOURCE_H_
diff --git a/base/base_drop_target.cc b/base/base_drop_target.cc
deleted file mode 100644
index 1ee878f..0000000
--- a/base/base_drop_target.cc
+++ /dev/null
@@ -1,170 +0,0 @@
-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "base/base_drop_target.h"
-
-#include <shlobj.h>
-
-#include "base/logging.h"
-
-///////////////////////////////////////////////////////////////////////////////
-
-IDropTargetHelper* BaseDropTarget::cached_drop_target_helper_ = NULL;
-int32 BaseDropTarget::drag_identity_ = 0;
-
-BaseDropTarget::BaseDropTarget(HWND hwnd)
- : hwnd_(hwnd),
- suspended_(false),
- ref_count_(0) {
- DCHECK(hwnd);
- HRESULT result = RegisterDragDrop(hwnd, this);
- DCHECK(SUCCEEDED(result));
-}
-
-BaseDropTarget::~BaseDropTarget() {
-}
-
-// static
-IDropTargetHelper* BaseDropTarget::DropHelper() {
- if (!cached_drop_target_helper_) {
- CoCreateInstance(CLSID_DragDropHelper, 0, CLSCTX_INPROC_SERVER,
- IID_IDropTargetHelper,
- reinterpret_cast<void**>(&cached_drop_target_helper_));
- }
- return cached_drop_target_helper_;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// BaseDropTarget, IDropTarget implementation:
-
-HRESULT BaseDropTarget::DragEnter(IDataObject* data_object,
- DWORD key_state,
- POINTL cursor_position,
- DWORD* effect) {
- // Tell the helper that we entered so it can update the drag image.
- IDropTargetHelper* drop_helper = DropHelper();
- if (drop_helper) {
- drop_helper->DragEnter(GetHWND(), data_object,
- reinterpret_cast<POINT*>(&cursor_position), *effect);
- }
-
- // You can't drag and drop within the same HWND.
- if (suspended_) {
- *effect = DROPEFFECT_NONE;
- return S_OK;
- }
-
- // Update the drag identity, skipping 0.
- if (++drag_identity_ == 0)
- ++drag_identity_;
-
- current_data_object_ = data_object;
- POINT screen_pt = { cursor_position.x, cursor_position.y };
- *effect = OnDragEnter(current_data_object_, key_state, screen_pt, *effect);
- return S_OK;
-}
-
-HRESULT BaseDropTarget::DragOver(DWORD key_state,
- POINTL cursor_position,
- DWORD* effect) {
- // Tell the helper that we moved over it so it can update the drag image.
- IDropTargetHelper* drop_helper = DropHelper();
- if (drop_helper)
- drop_helper->DragOver(reinterpret_cast<POINT*>(&cursor_position), *effect);
-
- if (suspended_) {
- *effect = DROPEFFECT_NONE;
- return S_OK;
- }
-
- POINT screen_pt = { cursor_position.x, cursor_position.y };
- *effect = OnDragOver(current_data_object_, key_state, screen_pt, *effect);
- return S_OK;
-}
-
-HRESULT BaseDropTarget::DragLeave() {
- // Tell the helper that we moved out of it so it can update the drag image.
- IDropTargetHelper* drop_helper = DropHelper();
- if (drop_helper)
- drop_helper->DragLeave();
-
- if (suspended_)
- return S_OK;
-
- OnDragLeave(current_data_object_);
-
- current_data_object_ = NULL;
- return S_OK;
-}
-
-HRESULT BaseDropTarget::Drop(IDataObject* data_object,
- DWORD key_state,
- POINTL cursor_position,
- DWORD* effect) {
- // Tell the helper that we dropped onto it so it can update the drag image.
- IDropTargetHelper* drop_helper = DropHelper();
- if (drop_helper) {
- drop_helper->Drop(current_data_object_,
- reinterpret_cast<POINT*>(&cursor_position), *effect);
- }
-
- if (suspended_) {
- *effect = DROPEFFECT_NONE;
- return S_OK;
- }
-
- POINT screen_pt = { cursor_position.x, cursor_position.y };
- *effect = OnDrop(current_data_object_, key_state, screen_pt, *effect);
- return S_OK;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// BaseDropTarget, IUnknown implementation:
-
-HRESULT BaseDropTarget::QueryInterface(const IID& iid, void** object) {
- *object = NULL;
- if (IsEqualIID(iid, IID_IUnknown) || IsEqualIID(iid, IID_IDropTarget)) {
- *object = this;
- } else {
- return E_NOINTERFACE;
- }
- AddRef();
- return S_OK;
-}
-
-ULONG BaseDropTarget::AddRef() {
- return ++ref_count_;
-}
-
-ULONG BaseDropTarget::Release() {
- if (--ref_count_ == 0) {
- delete this;
- return 0U;
- }
- return ref_count_;
-}
-
-DWORD BaseDropTarget::OnDragEnter(IDataObject* data_object,
- DWORD key_state,
- POINT cursor_position,
- DWORD effect) {
- return DROPEFFECT_NONE;
-}
-
-DWORD BaseDropTarget::OnDragOver(IDataObject* data_object,
- DWORD key_state,
- POINT cursor_position,
- DWORD effect) {
- return DROPEFFECT_NONE;
-}
-
-void BaseDropTarget::OnDragLeave(IDataObject* data_object) {
-}
-
-DWORD BaseDropTarget::OnDrop(IDataObject* data_object,
- DWORD key_state,
- POINT cursor_position,
- DWORD effect) {
- return DROPEFFECT_NONE;
-}
diff --git a/base/base_drop_target.h b/base/base_drop_target.h
deleted file mode 100644
index de66ce2..0000000
--- a/base/base_drop_target.h
+++ /dev/null
@@ -1,129 +0,0 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef BASE_BASE_DROP_TARGET_H_
-#define BASE_BASE_DROP_TARGET_H_
-#pragma once
-
-#include <objidl.h>
-
-#include "base/ref_counted.h"
-
-struct IDropTargetHelper;
-
-// A DropTarget implementation that takes care of the nitty gritty
-// of dnd. While this class is concrete, subclasses will most likely
-// want to override various OnXXX methods.
-//
-// Because BaseDropTarget is ref counted you shouldn't delete it directly,
-// rather wrap it in a scoped_refptr. Be sure and invoke RevokeDragDrop(m_hWnd)
-// before the HWND is deleted too.
-//
-// This class is meant to be used in a STA and is not multithread-safe.
-class BaseDropTarget : public IDropTarget {
- public:
- // Create a new BaseDropTarget associating it with the given HWND.
- explicit BaseDropTarget(HWND hwnd);
- virtual ~BaseDropTarget();
-
- // When suspended is set to |true|, the drop target does not receive drops
- // from drags initiated within the owning HWND.
- bool suspended() const { return suspended_; }
- void set_suspended(bool suspended) { suspended_ = suspended; }
-
- // IDropTarget implementation:
- HRESULT __stdcall DragEnter(IDataObject* data_object,
- DWORD key_state,
- POINTL cursor_position,
- DWORD* effect);
- HRESULT __stdcall DragOver(DWORD key_state,
- POINTL cursor_position,
- DWORD* effect);
- HRESULT __stdcall DragLeave();
- HRESULT __stdcall Drop(IDataObject* data_object,
- DWORD key_state,
- POINTL cursor_position,
- DWORD* effect);
-
- // IUnknown implementation:
- HRESULT __stdcall QueryInterface(const IID& iid, void** object);
- ULONG __stdcall AddRef();
- ULONG __stdcall Release();
-
- protected:
- // Returns the hosting HWND.
- HWND GetHWND() { return hwnd_; }
-
- // Invoked when the cursor first moves over the hwnd during a dnd session.
- // This should return a bitmask of the supported drop operations:
- // DROPEFFECT_NONE, DROPEFFECT_COPY, DROPEFFECT_LINK and/or
- // DROPEFFECT_MOVE.
- virtual DWORD OnDragEnter(IDataObject* data_object,
- DWORD key_state,
- POINT cursor_position,
- DWORD effect);
-
- // Invoked when the cursor moves over the window during a dnd session.
- // This should return a bitmask of the supported drop operations:
- // DROPEFFECT_NONE, DROPEFFECT_COPY, DROPEFFECT_LINK and/or
- // DROPEFFECT_MOVE.
- virtual DWORD OnDragOver(IDataObject* data_object,
- DWORD key_state,
- POINT cursor_position,
- DWORD effect);
-
- // Invoked when the cursor moves outside the bounds of the hwnd during a
- // dnd session.
- virtual void OnDragLeave(IDataObject* data_object);
-
- // Invoked when the drop ends on the window. This should return the operation
- // that was taken.
- virtual DWORD OnDrop(IDataObject* data_object,
- DWORD key_state,
- POINT cursor_position,
- DWORD effect);
-
- // Return the drag identity.
- static int32 GetDragIdentity() { return drag_identity_; }
-
- private:
- // Returns the cached drop helper, creating one if necessary. The returned
- // object is not addrefed. May return NULL if the object couldn't be created.
- static IDropTargetHelper* DropHelper();
-
- // The data object currently being dragged over this drop target.
- scoped_refptr<IDataObject> current_data_object_;
-
- // A helper object that is used to provide drag image support while the mouse
- // is dragging over the content area.
- //
- // DO NOT ACCESS DIRECTLY! Use DropHelper() instead, which will lazily create
- // this if it doesn't exist yet. This object can take tens of milliseconds to
- // create, and we don't want to block any window opening for this, especially
- // since often, DnD will never be used. Instead, we force this penalty to the
- // first time it is actually used.
- static IDropTargetHelper* cached_drop_target_helper_;
-
- // The drag identity (id). An up-counter that increases when the cursor first
- // moves over the HWND in a DnD session (OnDragEnter). 0 is reserved to mean
- // the "no/unknown" identity, and is used for initialization. The identity is
- // sent to the renderer in drag enter notifications. Note: the identity value
- // is passed over the renderer NPAPI interface to gears, so use int32 instead
- // of int here.
- static int32 drag_identity_;
-
- // The HWND of the source. This HWND is used to determine coordinates for
- // mouse events that are sent to the renderer notifying various drag states.
- HWND hwnd_;
-
- // Whether or not we are currently processing drag notifications for drags
- // initiated in this window.
- bool suspended_;
-
- LONG ref_count_;
-
- DISALLOW_COPY_AND_ASSIGN(BaseDropTarget);
-};
-
-#endif // BASE_BASE_DROP_TARGET_H_
generated by cgit v1.1 at 2025-03-12 09:00:31 +0000