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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CONTENT_BROWSER_TAB_WEB_DRAG_SOURCE_GTK_H_ | |
| 6 #define CONTENT_BROWSER_TAB_WEB_DRAG_SOURCE_GTK_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <gtk/gtk.h> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/file_path.h" | |
| 13 #include "base/message_loop.h" | |
| 14 #include "base/string16.h" | |
| 15 #include "content/common/content_export.h" | |
| 16 #include "googleurl/src/gurl.h" | |
| 17 #include "third_party/WebKit/Source/WebKit/chromium/public/WebDragOperation.h" | |
| 18 #include "ui/base/gtk/gtk_signal.h" | |
| 19 #include "ui/base/gtk/gtk_signal_registrar.h" | |
| 20 #include "ui/gfx/native_widget_types.h" | |
| 21 #include "ui/gfx/point.h" | |
| 22 | |
| 23 class SkBitmap; | |
| 24 struct WebDropData; | |
| 25 | |
| 26 namespace content { | |
| 27 | |
| 28 class RenderViewHostImpl; | |
| 29 class WebContents; | |
| 30 | |
| 31 // WebDragSourceGtk takes care of managing the drag from a WebContents | |
| 32 // with Gtk. | |
| 33 class CONTENT_EXPORT WebDragSourceGtk : public MessageLoopForUI::Observer { | |
| 34 public: | |
| 35 explicit WebDragSourceGtk(WebContents* web_contents); | |
| 36 virtual ~WebDragSourceGtk(); | |
| 37 | |
| 38 // Starts a drag for the tab contents this WebDragSourceGtk was | |
| 39 // created for. | |
| 40 void StartDragging(const WebDropData& drop_data, | |
| 41 WebKit::WebDragOperationsMask allowed_ops, | |
| 42 GdkEventButton* last_mouse_down, | |
| 43 const SkBitmap& image, | |
| 44 const gfx::Point& image_offset); | |
| 45 | |
| 46 // MessageLoop::Observer implementation: | |
| 47 virtual void WillProcessEvent(GdkEvent* event) OVERRIDE; | |
| 48 virtual void DidProcessEvent(GdkEvent* event) OVERRIDE; | |
| 49 | |
| 50 private: | |
| 51 CHROMEGTK_CALLBACK_2(WebDragSourceGtk, gboolean, OnDragFailed, | |
| 52 GdkDragContext*, GtkDragResult); | |
| 53 CHROMEGTK_CALLBACK_1(WebDragSourceGtk, void, OnDragBegin, | |
| 54 GdkDragContext*); | |
| 55 CHROMEGTK_CALLBACK_1(WebDragSourceGtk, void, OnDragEnd, | |
| 56 GdkDragContext*); | |
| 57 CHROMEGTK_CALLBACK_4(WebDragSourceGtk, void, OnDragDataGet, | |
| 58 GdkDragContext*, GtkSelectionData*, guint, guint); | |
| 59 CHROMEGTK_CALLBACK_1(WebDragSourceGtk, gboolean, OnDragIconExpose, | |
| 60 GdkEventExpose*); | |
| 61 | |
| 62 content::RenderViewHostImpl* GetRenderViewHost() const; | |
| 63 gfx::NativeView GetContentNativeView() const; | |
| 64 | |
| 65 // The tab we're manging the drag for. | |
| 66 content::WebContents* web_contents_; | |
| 67 | |
| 68 // The drop data for the current drag (for drags that originate in the render | |
| 69 // view). Non-NULL iff there is a current drag. | |
| 70 scoped_ptr<WebDropData> drop_data_; | |
| 71 | |
| 72 // The image used for depicting the drag, and the offset between the cursor | |
| 73 // and the top left pixel. | |
| 74 GdkPixbuf* drag_pixbuf_; | |
| 75 gfx::Point image_offset_; | |
| 76 | |
| 77 // The mime type for the file contents of the current drag (if any). | |
| 78 GdkAtom drag_file_mime_type_; | |
| 79 | |
| 80 // Whether the current drag has failed. Meaningless if we are not the source | |
| 81 // for a current drag. | |
| 82 bool drag_failed_; | |
| 83 | |
| 84 // This is the widget we use to initiate drags. Since we don't use the | |
| 85 // renderer widget, we can persist drags even when our contents is switched | |
| 86 // out. We can't use an OwnedWidgetGtk because the GtkInvisible widget | |
| 87 // initialization code sinks the reference. | |
| 88 GtkWidget* drag_widget_; | |
| 89 | |
| 90 // Context created once drag starts. A NULL value indicates that there is | |
| 91 // no drag currently in progress. | |
| 92 GdkDragContext* drag_context_; | |
| 93 | |
| 94 // The file mime type for a drag-out download. | |
| 95 string16 wide_download_mime_type_; | |
| 96 | |
| 97 // The file name to be saved to for a drag-out download. | |
| 98 FilePath download_file_name_; | |
| 99 | |
| 100 // The URL to download from for a drag-out download. | |
| 101 GURL download_url_; | |
| 102 | |
| 103 // The widget that provides visual feedback for the drag. We can't use | |
| 104 // an OwnedWidgetGtk because the GtkWindow initialization code sinks | |
| 105 // the reference. | |
| 106 GtkWidget* drag_icon_; | |
| 107 | |
| 108 ui::GtkSignalRegistrar signals_; | |
| 109 | |
| 110 DISALLOW_COPY_AND_ASSIGN(WebDragSourceGtk); | |
| 111 }; | |
| 112 | |
| 113 } // namespace content | |
| 114 | |
| 115 #endif // CONTENT_BROWSER_TAB_WEB_DRAG_SOURCE_GTK_H_ | |
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Chromium Code Reviews
Issue 10014024:
TabContents -> WebContentsImpl, part 2. (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src