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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 #include "extensions/browser/api/capture_web_contents_function.h" | 5 #include "extensions/browser/api/capture_web_contents_function.h" |
6 | 6 |
7 #include "base/base64.h" | 7 #include "base/base64.h" |
8 #include "base/strings/stringprintf.h" | 8 #include "base/strings/stringprintf.h" |
9 #include "content/public/browser/render_widget_host.h" | 9 #include "content/public/browser/render_widget_host.h" |
10 #include "content/public/browser/render_widget_host_view.h" | 10 #include "content/public/browser/render_widget_host_view.h" |
11 #include "content/public/browser/web_contents.h" | 11 #include "content/public/browser/web_contents.h" |
12 #include "extensions/browser/extension_function.h" | 12 #include "extensions/browser/extension_function.h" |
13 #include "extensions/common/constants.h" | 13 #include "extensions/common/constants.h" |
14 #include "ui/gfx/codec/jpeg_codec.h" | 14 #include "ui/gfx/codec/jpeg_codec.h" |
15 #include "ui/gfx/codec/png_codec.h" | 15 #include "ui/gfx/codec/png_codec.h" |
16 #include "ui/gfx/display.h" | 16 #include "ui/gfx/display.h" |
17 #include "ui/gfx/geometry/size_conversions.h" | 17 #include "ui/gfx/geometry/size_conversions.h" |
18 #include "ui/gfx/screen.h" | 18 #include "ui/gfx/screen.h" |
19 | 19 |
20 using content::RenderWidgetHost; | 20 using content::RenderWidgetHost; |
21 using content::RenderWidgetHostView; | 21 using content::RenderWidgetHostView; |
22 using content::WebContents; | 22 using content::WebContents; |
23 | 23 |
24 namespace extensions { | 24 namespace extensions { |
25 | 25 |
26 using core_api::extension_types::ImageDetails; | 26 using api::extension_types::ImageDetails; |
27 | 27 |
28 bool CaptureWebContentsFunction::HasPermission() { | 28 bool CaptureWebContentsFunction::HasPermission() { |
29 return true; | 29 return true; |
30 } | 30 } |
31 | 31 |
32 bool CaptureWebContentsFunction::RunAsync() { | 32 bool CaptureWebContentsFunction::RunAsync() { |
33 EXTENSION_FUNCTION_VALIDATE(args_); | 33 EXTENSION_FUNCTION_VALIDATE(args_); |
34 | 34 |
35 context_id_ = extension_misc::kCurrentWindowId; | 35 context_id_ = extension_misc::kCurrentWindowId; |
36 args_->GetInteger(0, &context_id_); | 36 args_->GetInteger(0, &context_id_); |
37 | 37 |
38 scoped_ptr<ImageDetails> image_details; | 38 scoped_ptr<ImageDetails> image_details; |
39 if (args_->GetSize() > 1) { | 39 if (args_->GetSize() > 1) { |
40 base::Value* spec = NULL; | 40 base::Value* spec = NULL; |
41 EXTENSION_FUNCTION_VALIDATE(args_->Get(1, &spec) && spec); | 41 EXTENSION_FUNCTION_VALIDATE(args_->Get(1, &spec) && spec); |
42 image_details = ImageDetails::FromValue(*spec); | 42 image_details = ImageDetails::FromValue(*spec); |
43 } | 43 } |
44 | 44 |
45 if (!IsScreenshotEnabled()) | 45 if (!IsScreenshotEnabled()) |
46 return false; | 46 return false; |
47 | 47 |
48 WebContents* contents = GetWebContentsForID(context_id_); | 48 WebContents* contents = GetWebContentsForID(context_id_); |
49 if (!contents) | 49 if (!contents) |
50 return false; | 50 return false; |
51 | 51 |
52 // The default format and quality setting used when encoding jpegs. | 52 // The default format and quality setting used when encoding jpegs. |
53 const core_api::extension_types::ImageFormat kDefaultFormat = | 53 const api::extension_types::ImageFormat kDefaultFormat = |
54 core_api::extension_types::IMAGE_FORMAT_JPEG; | 54 api::extension_types::IMAGE_FORMAT_JPEG; |
55 const int kDefaultQuality = 90; | 55 const int kDefaultQuality = 90; |
56 | 56 |
57 image_format_ = kDefaultFormat; | 57 image_format_ = kDefaultFormat; |
58 image_quality_ = kDefaultQuality; | 58 image_quality_ = kDefaultQuality; |
59 | 59 |
60 if (image_details) { | 60 if (image_details) { |
61 if (image_details->format != | 61 if (image_details->format != api::extension_types::IMAGE_FORMAT_NONE) |
62 core_api::extension_types::IMAGE_FORMAT_NONE) | |
63 image_format_ = image_details->format; | 62 image_format_ = image_details->format; |
64 if (image_details->quality.get()) | 63 if (image_details->quality.get()) |
65 image_quality_ = *image_details->quality; | 64 image_quality_ = *image_details->quality; |
66 } | 65 } |
67 | 66 |
68 // TODO(miu): Account for fullscreen render widget? http://crbug.com/419878 | 67 // TODO(miu): Account for fullscreen render widget? http://crbug.com/419878 |
69 RenderWidgetHostView* const view = contents->GetRenderWidgetHostView(); | 68 RenderWidgetHostView* const view = contents->GetRenderWidgetHostView(); |
70 RenderWidgetHost* const host = view ? view->GetRenderWidgetHost() : nullptr; | 69 RenderWidgetHost* const host = view ? view->GetRenderWidgetHost() : nullptr; |
71 if (!view || !host) { | 70 if (!view || !host) { |
72 OnCaptureFailure(FAILURE_REASON_VIEW_INVISIBLE); | 71 OnCaptureFailure(FAILURE_REASON_VIEW_INVISIBLE); |
(...skipping 30 matching lines...) Expand all Loading... |
103 } | 102 } |
104 OnCaptureFailure(FAILURE_REASON_UNKNOWN); | 103 OnCaptureFailure(FAILURE_REASON_UNKNOWN); |
105 } | 104 } |
106 | 105 |
107 void CaptureWebContentsFunction::OnCaptureSuccess(const SkBitmap& bitmap) { | 106 void CaptureWebContentsFunction::OnCaptureSuccess(const SkBitmap& bitmap) { |
108 std::vector<unsigned char> data; | 107 std::vector<unsigned char> data; |
109 SkAutoLockPixels screen_capture_lock(bitmap); | 108 SkAutoLockPixels screen_capture_lock(bitmap); |
110 bool encoded = false; | 109 bool encoded = false; |
111 std::string mime_type; | 110 std::string mime_type; |
112 switch (image_format_) { | 111 switch (image_format_) { |
113 case core_api::extension_types::IMAGE_FORMAT_JPEG: | 112 case api::extension_types::IMAGE_FORMAT_JPEG: |
114 encoded = gfx::JPEGCodec::Encode( | 113 encoded = gfx::JPEGCodec::Encode( |
115 reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)), | 114 reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)), |
116 gfx::JPEGCodec::FORMAT_SkBitmap, | 115 gfx::JPEGCodec::FORMAT_SkBitmap, |
117 bitmap.width(), | 116 bitmap.width(), |
118 bitmap.height(), | 117 bitmap.height(), |
119 static_cast<int>(bitmap.rowBytes()), | 118 static_cast<int>(bitmap.rowBytes()), |
120 image_quality_, | 119 image_quality_, |
121 &data); | 120 &data); |
122 mime_type = kMimeTypeJpeg; | 121 mime_type = kMimeTypeJpeg; |
123 break; | 122 break; |
124 case core_api::extension_types::IMAGE_FORMAT_PNG: | 123 case api::extension_types::IMAGE_FORMAT_PNG: |
125 encoded = | 124 encoded = |
126 gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, | 125 gfx::PNGCodec::EncodeBGRASkBitmap(bitmap, |
127 true, // Discard transparency. | 126 true, // Discard transparency. |
128 &data); | 127 &data); |
129 mime_type = kMimeTypePng; | 128 mime_type = kMimeTypePng; |
130 break; | 129 break; |
131 default: | 130 default: |
132 NOTREACHED() << "Invalid image format."; | 131 NOTREACHED() << "Invalid image format."; |
133 } | 132 } |
134 | 133 |
135 if (!encoded) { | 134 if (!encoded) { |
136 OnCaptureFailure(FAILURE_REASON_ENCODING_FAILED); | 135 OnCaptureFailure(FAILURE_REASON_ENCODING_FAILED); |
137 return; | 136 return; |
138 } | 137 } |
139 | 138 |
140 std::string base64_result; | 139 std::string base64_result; |
141 base::StringPiece stream_as_string( | 140 base::StringPiece stream_as_string( |
142 reinterpret_cast<const char*>(vector_as_array(&data)), data.size()); | 141 reinterpret_cast<const char*>(vector_as_array(&data)), data.size()); |
143 | 142 |
144 base::Base64Encode(stream_as_string, &base64_result); | 143 base::Base64Encode(stream_as_string, &base64_result); |
145 base64_result.insert( | 144 base64_result.insert( |
146 0, base::StringPrintf("data:%s;base64,", mime_type.c_str())); | 145 0, base::StringPrintf("data:%s;base64,", mime_type.c_str())); |
147 SetResult(new base::StringValue(base64_result)); | 146 SetResult(new base::StringValue(base64_result)); |
148 SendResponse(true); | 147 SendResponse(true); |
149 } | 148 } |
150 | 149 |
151 } // namespace extensions | 150 } // namespace extensions |
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