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Side by Side Diff: chrome/browser/ui/ash/screenshot_taker.h

Issue 13105002: Screenshot effect non-obvious (Closed) Base URL: http://git.chromium.org/chromium/src.git@master
Patch Set: cleanup Created 7 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_ 5 #ifndef CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
6 #define CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_ 6 #define CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
7 7
8 #include "ash/screenshot_delegate.h" 8 #include "ash/screenshot_delegate.h"
9 #include "base/basictypes.h" 9 #include "base/basictypes.h"
10 #include "base/compiler_specific.h" 10 #include "base/compiler_specific.h"
11 #include "base/files/file_path.h"
12 #include "base/memory/scoped_ptr.h"
13 #include "base/memory/weak_ptr.h"
14 #include "base/observer_list.h"
11 #include "base/time.h" 15 #include "base/time.h"
12 #include "ui/compositor/layer.h"
13 16
17 class Profile;
18
19 namespace ash {
20 namespace test {
21 class ScreenshotTakerTest;
22 }
23 }
14 namespace aura { 24 namespace aura {
15 class Window; 25 class Window;
16 } // namespace aura 26 }
27
28 class ScreenshotTakerObserver {
29 public:
30 enum Result {
31 SCREENSHOT_SUCCESS = 0,
32 SCREENSHOT_GRABWINDOW_PARTIAL_FAILED,
33 SCREENSHOT_GRABWINDOW_FULL_FAILED,
34 SCREENSHOT_CREATE_DIR_FAILED,
35 SCREENSHOT_GET_DIR_FAILED,
36 SCREENSHOT_CHECK_DIR_FAILED,
37 SCREENSHOT_CREATE_FILE_FAILED,
38 SCREENSHOT_WRITE_FILE_FAILED,
39 SCREENSHOT_RESULT_COUNT
40 };
41
42 virtual void OnScreenshotCompleted(
43 Result screenshot_result,
44 const base::FilePath& screenshot_path) = 0;
45
46 protected:
47 virtual ~ScreenshotTakerObserver() {}
48 };
17 49
18 class ScreenshotTaker : public ash::ScreenshotDelegate { 50 class ScreenshotTaker : public ash::ScreenshotDelegate {
19 public: 51 public:
20 ScreenshotTaker(); 52 explicit ScreenshotTaker(Profile* profile);
53
21 virtual ~ScreenshotTaker(); 54 virtual ~ScreenshotTaker();
22 55
23 // Overridden from ash::ScreenshotDelegate: 56 // Overridden from ash::ScreenshotDelegate:
24 virtual void HandleTakeScreenshotForAllRootWindows() OVERRIDE; 57 virtual void HandleTakeScreenshotForAllRootWindows() OVERRIDE;
25 virtual void HandleTakePartialScreenshot(aura::Window* window, 58 virtual void HandleTakePartialScreenshot(aura::Window* window,
26 const gfx::Rect& rect) OVERRIDE; 59 const gfx::Rect& rect) OVERRIDE;
27 virtual bool CanTakeScreenshot() OVERRIDE; 60 virtual bool CanTakeScreenshot() OVERRIDE;
28 61
62 void ShowNotification(
63 ScreenshotTakerObserver::Result screenshot_result,
64 const base::FilePath& screenshot_path);
65
66 void AddObserver(ScreenshotTakerObserver* observer);
67 void RemoveObserver(ScreenshotTakerObserver* observer);
68 bool HasObserver(ScreenshotTakerObserver* observer) const;
69
29 private: 70 private:
30 // Flashes the screen to provide visual feedback that a screenshot has 71 friend class ash::test::ScreenshotTakerTest;
31 // been taken.
32 void DisplayVisualFeedback(const gfx::Rect& rect);
33 72
34 // Closes the visual feedback layer. 73 void SetScreenshotDirectoryForTest(const base::FilePath& directory);
35 void CloseVisualFeedbackLayer(); 74 void SetScreenshotBasenameForTest(const std::string& basename);
75
76 Profile* profile_;
77
78 base::WeakPtrFactory<ScreenshotTaker> factory_;
36 79
37 // The timestamp when the screenshot task was issued last time. 80 // The timestamp when the screenshot task was issued last time.
38 base::Time last_screenshot_timestamp_; 81 base::Time last_screenshot_timestamp_;
39 82
40 // The flashing effect of the screen for the visual feedback when taking a 83 ObserverList<ScreenshotTakerObserver> observers_;
41 // screenshot. 84 base::FilePath screenshot_directory_for_test_;
42 scoped_ptr<ui::Layer> visual_feedback_layer_; 85 std::string screenshot_basename_for_test_;
43 86
44 DISALLOW_COPY_AND_ASSIGN(ScreenshotTaker); 87 DISALLOW_COPY_AND_ASSIGN(ScreenshotTaker);
45 }; 88 };
46 89
47 #endif // CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_ 90 #endif // CHROME_BROWSER_UI_ASH_SCREENSHOT_TAKER_H_
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