1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
// Copyright (c) 2009 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 CHROME_RENDERER_PRINT_WEB_VIEW_DELEGATE_H_
#define CHROME_RENDERER_PRINT_WEB_VIEW_DELEGATE_H_
#include <vector>
#include "base/scoped_ptr.h"
#include "base/time.h"
#include "webkit/glue/webview_delegate.h"
namespace gfx {
class Size;
}
namespace IPC {
class Message;
}
class RenderView;
class WebView;
struct ViewMsg_Print_Params;
struct ViewMsg_PrintPage_Params;
struct ViewMsg_PrintPages_Params;
// PrintWebViewHelper handles most of the printing grunt work for RenderView.
// We plan on making print asynchronous and that will require copying the DOM
// of the document and creating a new WebView with the contents.
class PrintWebViewHelper : public WebViewDelegate {
public:
explicit PrintWebViewHelper(RenderView * render_view)
: render_view_(render_view),
user_cancelled_scripted_print_count_(0) {}
virtual ~PrintWebViewHelper() {}
void Print(WebFrame* frame, bool script_initiated);
// Is there a background print in progress?
bool IsPrinting() {
return print_web_view_.get() != NULL;
}
// Notification when printing is done - signal teardown
void DidFinishPrinting(bool success);
protected:
bool CopyAndPrint(const ViewMsg_PrintPages_Params& params,
WebFrame* web_frame);
// Prints the page listed in |params|.
void PrintPage(const ViewMsg_PrintPage_Params& params,
const gfx::Size& canvas_size,
WebFrame* frame);
// Prints all the pages listed in |params|.
// It will implicitly revert the document to display CSS media type.
void PrintPages(const ViewMsg_PrintPages_Params& params, WebFrame* frame);
// IPC::Message::Sender
bool Send(IPC::Message* msg);
int32 routing_id();
// WebViewDeletegate
virtual void DidStopLoading(WebView* webview);
virtual gfx::NativeViewId GetContainingView(WebWidget* webwidget);
virtual void DidInvalidateRect(WebWidget* webwidget,
const WebKit::WebRect& rect) {}
virtual void DidScrollRect(WebWidget* webwidget, int dx, int dy,
const WebKit::WebRect& clip_rect) {}
virtual void Show(WebWidget* webwidget, WindowOpenDisposition disposition) {}
virtual void ShowAsPopupWithItems(WebWidget* webwidget,
const WebKit::WebRect& bounds,
int item_height,
int selected_index,
const std::vector<WebMenuItem>& items) {}
virtual void CloseWidgetSoon(WebWidget* webwidget) {}
virtual void Focus(WebWidget* webwidget) {}
virtual void Blur(WebWidget* webwidget) {}
virtual void SetCursor(WebWidget* webwidget, const WebCursor& cursor) {}
virtual void GetWindowRect(WebWidget* webwidget, WebKit::WebRect* rect);
virtual void SetWindowRect(WebWidget* webwidget,
const WebKit::WebRect& rect) {}
virtual void GetRootWindowRect(WebWidget* webwidget, WebKit::WebRect* rect) {}
virtual void GetRootWindowResizerRect(WebWidget* webwidget,
WebKit::WebRect* rect) {}
virtual void DidMove(WebWidget* webwidget, const WebPluginGeometry& move) {}
virtual void RunModal(WebWidget* webwidget) {}
virtual void AddRef() {}
virtual void Release() {}
virtual bool IsHidden(WebWidget* webwidget);
virtual WebKit::WebScreenInfo GetScreenInfo(WebWidget* webwidget);
private:
RenderView* render_view_;
scoped_ptr<WebView> print_web_view_;
scoped_ptr<ViewMsg_PrintPages_Params> print_pages_params_;
base::Time last_cancelled_script_print_;
int user_cancelled_scripted_print_count_;
private:
DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper);
};
#endif // CHROME_RENDERER_PRINT_WEB_VIEW_DELEGATE_H_
|
