Index: content/browser/web_contents/web_drag_source_win.cc |
=================================================================== |
--- content/browser/web_contents/web_drag_source_win.cc (revision 244508) |
+++ content/browser/web_contents/web_drag_source_win.cc (working copy) |
@@ -1,130 +0,0 @@ |
-// Copyright (c) 2012 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 "content/browser/web_contents/web_drag_source_win.h" |
- |
-#include "base/bind.h" |
-#include "content/browser/renderer_host/render_view_host_impl.h" |
-#include "content/browser/web_contents/web_contents_impl.h" |
-#include "content/browser/web_contents/web_drag_utils_win.h" |
-#include "content/public/browser/browser_thread.h" |
-#include "content/public/browser/notification_source.h" |
-#include "content/public/browser/notification_types.h" |
-#include "ui/base/dragdrop/os_exchange_data.h" |
- |
-using blink::WebDragOperationNone; |
- |
-namespace content { |
-namespace { |
- |
-static void GetCursorPositions(gfx::NativeWindow wnd, gfx::Point* client, |
- gfx::Point* screen) { |
- POINT cursor_pos; |
- GetCursorPos(&cursor_pos); |
- screen->SetPoint(cursor_pos.x, cursor_pos.y); |
- ScreenToClient(wnd, &cursor_pos); |
- client->SetPoint(cursor_pos.x, cursor_pos.y); |
-} |
- |
-} // namespace |
- |
-/////////////////////////////////////////////////////////////////////////////// |
-// WebDragSource, public: |
- |
-WebDragSource::WebDragSource(gfx::NativeWindow source_wnd, |
- WebContents* web_contents) |
- : ui::DragSourceWin(), |
- source_wnd_(source_wnd), |
- web_contents_(static_cast<WebContentsImpl*>(web_contents)), |
- effect_(DROPEFFECT_NONE), |
- data_(NULL) { |
- registrar_.Add(this, NOTIFICATION_RENDER_VIEW_HOST_CHANGED, |
- Source<WebContents>(web_contents)); |
- registrar_.Add(this, NOTIFICATION_WEB_CONTENTS_DISCONNECTED, |
- Source<WebContents>(web_contents)); |
-} |
- |
-WebDragSource::~WebDragSource() { |
-} |
- |
-void WebDragSource::OnDragSourceCancel() { |
- // Delegate to the UI thread if we do drag-and-drop in the background thread. |
- if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { |
- BrowserThread::PostTask( |
- BrowserThread::UI, FROM_HERE, |
- base::Bind(&WebDragSource::OnDragSourceCancel, this)); |
- return; |
- } |
- |
- if (!web_contents_) |
- return; |
- |
- gfx::Point client; |
- gfx::Point screen; |
- GetCursorPositions(source_wnd_, &client, &screen); |
- web_contents_->DragSourceEndedAt(client.x(), client.y(), |
- screen.x(), screen.y(), |
- WebDragOperationNone); |
-} |
- |
-void WebDragSource::OnDragSourceDrop() { |
- DCHECK(data_); |
- data_->SetInDragLoop(false); |
- // On Windows, we check for drag end in IDropSource::QueryContinueDrag which |
- // happens before IDropTarget::Drop is called. HTML5 requires the "dragend" |
- // event to happen after the "drop" event. Since Windows calls these two |
- // directly after each other we can just post a task to handle the |
- // OnDragSourceDrop after the current task. |
- BrowserThread::PostTask( |
- BrowserThread::UI, FROM_HERE, |
- base::Bind(&WebDragSource::DelayedOnDragSourceDrop, this)); |
-} |
- |
-void WebDragSource::DelayedOnDragSourceDrop() { |
- if (!web_contents_) |
- return; |
- |
- gfx::Point client; |
- gfx::Point screen; |
- GetCursorPositions(source_wnd_, &client, &screen); |
- web_contents_->DragSourceEndedAt(client.x(), client.y(), screen.x(), |
- screen.y(), WinDragOpToWebDragOp(effect_)); |
-} |
- |
-void WebDragSource::OnDragSourceMove() { |
- // Delegate to the UI thread if we do drag-and-drop in the background thread. |
- if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) { |
- BrowserThread::PostTask( |
- BrowserThread::UI, FROM_HERE, |
- base::Bind(&WebDragSource::OnDragSourceMove, this)); |
- return; |
- } |
- |
- if (!web_contents_) |
- return; |
- |
- gfx::Point client; |
- gfx::Point screen; |
- GetCursorPositions(source_wnd_, &client, &screen); |
- web_contents_->DragSourceMovedTo(client.x(), client.y(), |
- screen.x(), screen.y()); |
-} |
- |
-void WebDragSource::Observe(int type, |
- const NotificationSource& source, |
- const NotificationDetails& details) { |
- if (type == NOTIFICATION_RENDER_VIEW_HOST_CHANGED) { |
- // When the WebContents get swapped, our render view host goes away. |
- // That's OK, we can continue the drag, we just can't send messages back to |
- // our drag source. |
- web_contents_ = NULL; |
- } else if (type == NOTIFICATION_WEB_CONTENTS_DISCONNECTED) { |
- // This could be possible when we close the tab and the source is still |
- // being used in DoDragDrop at the time that the virtual file is being |
- // downloaded. |
- web_contents_ = NULL; |
- } |
-} |
- |
-} // namespace content |