Index: content/browser/web_contents/web_drag_dest_win.cc |
=================================================================== |
--- content/browser/web_contents/web_drag_dest_win.cc (revision 244508) |
+++ content/browser/web_contents/web_drag_dest_win.cc (working copy) |
@@ -1,286 +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_dest_win.h" |
- |
-#include <windows.h> |
-#include <shlobj.h> |
- |
-#include "base/win/win_util.h" |
-#include "content/browser/renderer_host/render_view_host_impl.h" |
-#include "content/browser/web_contents/web_drag_utils_win.h" |
-#include "content/public/browser/web_contents.h" |
-#include "content/public/browser/web_contents_delegate.h" |
-#include "content/public/browser/web_drag_dest_delegate.h" |
-#include "content/public/common/drop_data.h" |
-#include "net/base/net_util.h" |
-#include "third_party/WebKit/public/web/WebInputEvent.h" |
-#include "ui/base/clipboard/clipboard_util_win.h" |
-#include "ui/base/dragdrop/os_exchange_data.h" |
-#include "ui/base/dragdrop/os_exchange_data_provider_win.h" |
-#include "ui/base/window_open_disposition.h" |
-#include "ui/gfx/point.h" |
-#include "url/gurl.h" |
- |
-using blink::WebDragOperationNone; |
-using blink::WebDragOperationCopy; |
-using blink::WebDragOperationLink; |
-using blink::WebDragOperationMove; |
-using blink::WebDragOperationGeneric; |
- |
-namespace content { |
-namespace { |
- |
-const unsigned short kHighBitMaskShort = 0x8000; |
- |
-// A helper method for getting the preferred drop effect. |
-DWORD GetPreferredDropEffect(DWORD effect) { |
- if (effect & DROPEFFECT_COPY) |
- return DROPEFFECT_COPY; |
- if (effect & DROPEFFECT_LINK) |
- return DROPEFFECT_LINK; |
- if (effect & DROPEFFECT_MOVE) |
- return DROPEFFECT_MOVE; |
- return DROPEFFECT_NONE; |
-} |
- |
-int GetModifierFlags() { |
- int modifier_state = 0; |
- if (base::win::IsShiftPressed()) |
- modifier_state |= blink::WebInputEvent::ShiftKey; |
- if (base::win::IsCtrlPressed()) |
- modifier_state |= blink::WebInputEvent::ControlKey; |
- if (base::win::IsAltPressed()) |
- modifier_state |= blink::WebInputEvent::AltKey; |
- if (::GetKeyState(VK_LWIN) & kHighBitMaskShort) |
- modifier_state |= blink::WebInputEvent::MetaKey; |
- if (::GetKeyState(VK_RWIN) & kHighBitMaskShort) |
- modifier_state |= blink::WebInputEvent::MetaKey; |
- return modifier_state; |
-} |
- |
-// Helper method for converting Window's specific IDataObject to a DropData |
-// object. |
-void PopulateDropData(IDataObject* data_object, DropData* drop_data) { |
- base::string16 url_str; |
- if (ui::ClipboardUtil::GetUrl( |
- data_object, &url_str, &drop_data->url_title, false)) { |
- GURL test_url(url_str); |
- if (test_url.is_valid()) |
- drop_data->url = test_url; |
- } |
- std::vector<base::string16> filenames; |
- ui::ClipboardUtil::GetFilenames(data_object, &filenames); |
- for (size_t i = 0; i < filenames.size(); ++i) |
- drop_data->filenames.push_back( |
- DropData::FileInfo(filenames[i], base::string16())); |
- base::string16 text; |
- ui::ClipboardUtil::GetPlainText(data_object, &text); |
- if (!text.empty()) { |
- drop_data->text = base::NullableString16(text, false); |
- } |
- base::string16 html; |
- std::string html_base_url; |
- ui::ClipboardUtil::GetHtml(data_object, &html, &html_base_url); |
- if (!html.empty()) { |
- drop_data->html = base::NullableString16(html, false); |
- } |
- if (!html_base_url.empty()) { |
- drop_data->html_base_url = GURL(html_base_url); |
- } |
- ui::ClipboardUtil::GetWebCustomData(data_object, &drop_data->custom_data); |
-} |
- |
-} // namespace |
- |
-// InterstitialDropTarget is like a ui::DropTargetWin implementation that |
-// WebDragDest passes through to if an interstitial is showing. Rather than |
-// passing messages on to the renderer, we just check to see if there's a link |
-// in the drop data and handle links as navigations. |
-class InterstitialDropTarget { |
- public: |
- explicit InterstitialDropTarget(WebContents* web_contents) |
- : web_contents_(web_contents) {} |
- |
- DWORD OnDragEnter(IDataObject* data_object, DWORD effect) { |
- return ui::ClipboardUtil::HasUrl(data_object) ? |
- GetPreferredDropEffect(effect) : DROPEFFECT_NONE; |
- } |
- |
- DWORD OnDragOver(IDataObject* data_object, DWORD effect) { |
- return ui::ClipboardUtil::HasUrl(data_object) ? |
- GetPreferredDropEffect(effect) : DROPEFFECT_NONE; |
- } |
- |
- void OnDragLeave(IDataObject* data_object) { |
- } |
- |
- DWORD OnDrop(IDataObject* data_object, DWORD effect) { |
- if (!ui::ClipboardUtil::HasUrl(data_object)) |
- return DROPEFFECT_NONE; |
- |
- std::wstring url; |
- std::wstring title; |
- ui::ClipboardUtil::GetUrl(data_object, &url, &title, true); |
- OpenURLParams params(GURL(url), Referrer(), CURRENT_TAB, |
- PAGE_TRANSITION_AUTO_BOOKMARK, false); |
- web_contents_->OpenURL(params); |
- return GetPreferredDropEffect(effect); |
- } |
- |
- private: |
- WebContents* web_contents_; |
- |
- DISALLOW_COPY_AND_ASSIGN(InterstitialDropTarget); |
-}; |
- |
-WebDragDest::WebDragDest(HWND source_hwnd, WebContents* web_contents) |
- : ui::DropTargetWin(source_hwnd), |
- web_contents_(web_contents), |
- current_rvh_(NULL), |
- drag_cursor_(WebDragOperationNone), |
- interstitial_drop_target_(new InterstitialDropTarget(web_contents)), |
- delegate_(NULL), |
- canceled_(false) { |
-} |
- |
-WebDragDest::~WebDragDest() { |
-} |
- |
-DWORD WebDragDest::OnDragEnter(IDataObject* data_object, |
- DWORD key_state, |
- POINT cursor_position, |
- DWORD effects) { |
- current_rvh_ = web_contents_->GetRenderViewHost(); |
- |
- // TODO(tc): PopulateDropData can be slow depending on what is in the |
- // IDataObject. Maybe we can do this in a background thread. |
- scoped_ptr<DropData> drop_data; |
- drop_data.reset(new DropData()); |
- PopulateDropData(data_object, drop_data.get()); |
- |
- if (drop_data->url.is_empty()) |
- ui::OSExchangeDataProviderWin::GetPlainTextURL(data_object, |
- &drop_data->url); |
- |
- // Give the delegate an opportunity to cancel the drag. |
- canceled_ = !web_contents_->GetDelegate()->CanDragEnter( |
- web_contents_, |
- *drop_data, |
- WinDragOpMaskToWebDragOpMask(effects)); |
- if (canceled_) |
- return DROPEFFECT_NONE; |
- |
- if (delegate_) |
- delegate_->DragInitialize(web_contents_); |
- |
- // Don't pass messages to the renderer if an interstitial page is showing |
- // because we don't want the interstitial page to navigate. Instead, |
- // pass the messages on to a separate interstitial DropTarget handler. |
- if (web_contents_->ShowingInterstitialPage()) |
- return interstitial_drop_target_->OnDragEnter(data_object, effects); |
- |
- drop_data_.swap(drop_data); |
- drag_cursor_ = WebDragOperationNone; |
- |
- POINT client_pt = cursor_position; |
- ScreenToClient(GetHWND(), &client_pt); |
- web_contents_->GetRenderViewHost()->DragTargetDragEnter(*drop_data_, |
- gfx::Point(client_pt.x, client_pt.y), |
- gfx::Point(cursor_position.x, cursor_position.y), |
- WinDragOpMaskToWebDragOpMask(effects), |
- GetModifierFlags()); |
- |
- if (delegate_) |
- delegate_->OnDragEnter(data_object); |
- |
- // We lie here and always return a DROPEFFECT because we don't want to |
- // wait for the IPC call to return. |
- return WebDragOpToWinDragOp(drag_cursor_); |
-} |
- |
-DWORD WebDragDest::OnDragOver(IDataObject* data_object, |
- DWORD key_state, |
- POINT cursor_position, |
- DWORD effects) { |
- DCHECK(current_rvh_); |
- if (current_rvh_ != web_contents_->GetRenderViewHost()) |
- OnDragEnter(data_object, key_state, cursor_position, effects); |
- |
- if (canceled_) |
- return DROPEFFECT_NONE; |
- |
- if (web_contents_->ShowingInterstitialPage()) |
- return interstitial_drop_target_->OnDragOver(data_object, effects); |
- |
- POINT client_pt = cursor_position; |
- ScreenToClient(GetHWND(), &client_pt); |
- web_contents_->GetRenderViewHost()->DragTargetDragOver( |
- gfx::Point(client_pt.x, client_pt.y), |
- gfx::Point(cursor_position.x, cursor_position.y), |
- WinDragOpMaskToWebDragOpMask(effects), |
- GetModifierFlags()); |
- |
- if (delegate_) |
- delegate_->OnDragOver(data_object); |
- |
- return WebDragOpToWinDragOp(drag_cursor_); |
-} |
- |
-void WebDragDest::OnDragLeave(IDataObject* data_object) { |
- DCHECK(current_rvh_); |
- if (current_rvh_ != web_contents_->GetRenderViewHost()) |
- return; |
- |
- if (canceled_) |
- return; |
- |
- if (web_contents_->ShowingInterstitialPage()) { |
- interstitial_drop_target_->OnDragLeave(data_object); |
- } else { |
- web_contents_->GetRenderViewHost()->DragTargetDragLeave(); |
- } |
- |
- if (delegate_) |
- delegate_->OnDragLeave(data_object); |
- |
- drop_data_.reset(); |
-} |
- |
-DWORD WebDragDest::OnDrop(IDataObject* data_object, |
- DWORD key_state, |
- POINT cursor_position, |
- DWORD effect) { |
- DCHECK(current_rvh_); |
- if (current_rvh_ != web_contents_->GetRenderViewHost()) |
- OnDragEnter(data_object, key_state, cursor_position, effect); |
- |
- if (web_contents_->ShowingInterstitialPage()) |
- interstitial_drop_target_->OnDragOver(data_object, effect); |
- |
- if (web_contents_->ShowingInterstitialPage()) |
- return interstitial_drop_target_->OnDrop(data_object, effect); |
- |
- POINT client_pt = cursor_position; |
- ScreenToClient(GetHWND(), &client_pt); |
- web_contents_->GetRenderViewHost()->DragTargetDrop( |
- gfx::Point(client_pt.x, client_pt.y), |
- gfx::Point(cursor_position.x, cursor_position.y), |
- GetModifierFlags()); |
- |
- if (delegate_) |
- delegate_->OnDrop(data_object); |
- |
- current_rvh_ = NULL; |
- |
- // This isn't always correct, but at least it's a close approximation. |
- // For now, we always map a move to a copy to prevent potential data loss. |
- DWORD drop_effect = WebDragOpToWinDragOp(drag_cursor_); |
- DWORD result = drop_effect != DROPEFFECT_MOVE ? drop_effect : DROPEFFECT_COPY; |
- |
- drop_data_.reset(); |
- return result; |
-} |
- |
-} // namespace content |