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
|
// Copyright 2014 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 UI_SNAPSHOT_SCREENSHOT_GRABBER_H_
#define UI_SNAPSHOT_SCREENSHOT_GRABBER_H_
#include <memory>
#include <string>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/files/file_path.h"
#include "base/macros.h"
#include "base/memory/ref_counted_memory.h"
#include "base/memory/weak_ptr.h"
#include "base/time/time.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/snapshot/snapshot_export.h"
namespace ui {
// Result of the entire screenshotting attempt. This enum is fat for various
// file operations which could happen in the chrome layer.
enum class ScreenshotResult {
SUCCESS,
GRABWINDOW_PARTIAL_FAILED,
GRABWINDOW_FULL_FAILED,
CREATE_DIR_FAILED,
GET_DIR_FAILED,
CHECK_DIR_FAILED,
CREATE_FILE_FAILED,
WRITE_FILE_FAILED,
DISABLED
};
class SNAPSHOT_EXPORT ScreenshotGrabber {
public:
ScreenshotGrabber();
~ScreenshotGrabber();
// Callback for the new system, which ignores the observer crud.
using ScreenshotCallback =
base::OnceCallback<void(ui::ScreenshotResult screenshot_result,
scoped_refptr<base::RefCountedMemory> png_data)>;
// Takes a screenshot of |rect| in |window| in that window's coordinate space
// and return it to |callback|.
void TakeScreenshot(gfx::NativeWindow window,
const gfx::Rect& rect,
ScreenshotCallback callback);
bool CanTakeScreenshot();
private:
#if defined(USE_AURA)
class ScopedCursorHider;
#endif
void GrabWindowSnapshotAsyncCallback(
const std::string& window_identifier,
bool is_partial,
ScreenshotCallback callback,
scoped_refptr<base::RefCountedMemory> png_data);
// The timestamp when the screenshot task was issued last time.
base::TimeTicks last_screenshot_timestamp_;
#if defined(USE_AURA)
// The object to hide cursor when taking screenshot.
std::unique_ptr<ScopedCursorHider> cursor_hider_;
#endif
base::WeakPtrFactory<ScreenshotGrabber> factory_;
DISALLOW_COPY_AND_ASSIGN(ScreenshotGrabber);
};
} // namespace ui
#endif // UI_SNAPSHOT_SCREENSHOT_GRABBER_H_
|
