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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 from telemetry.internal.actions import page_action | 5 from telemetry.internal.actions import page_action |
6 from telemetry.internal.actions import utils | 6 from telemetry.internal.actions import utils |
7 from telemetry.util import js_template | 7 from telemetry.util import js_template |
8 | 8 |
9 | 9 |
10 class PinchAction(page_action.PageAction): | 10 class PinchAction(page_action.PageAction): |
11 | 11 |
12 def __init__(self, | 12 def __init__(self, |
13 selector=None, | |
14 text=None, | |
15 element_function=None, | |
16 left_anchor_ratio=0.5, | 13 left_anchor_ratio=0.5, |
17 top_anchor_ratio=0.5, | 14 top_anchor_ratio=0.5, |
18 scale_factor=None, | 15 scale_factor=None, |
19 speed_in_pixels_per_second=800, | 16 speed_in_pixels_per_second=800, |
20 synthetic_gesture_source=page_action.GESTURE_SOURCE_DEFAULT): | 17 synthetic_gesture_source=page_action.GESTURE_SOURCE_DEFAULT): |
21 super(PinchAction, self).__init__() | 18 super(PinchAction, self).__init__() |
22 self._selector = selector | |
23 self._text = text | |
24 self._element_function = element_function | |
25 self._left_anchor_ratio = left_anchor_ratio | 19 self._left_anchor_ratio = left_anchor_ratio |
26 self._top_anchor_ratio = top_anchor_ratio | 20 self._top_anchor_ratio = top_anchor_ratio |
27 self._scale_factor = scale_factor | 21 self._scale_factor = scale_factor |
28 self._speed = speed_in_pixels_per_second | 22 self._speed = speed_in_pixels_per_second |
29 self._synthetic_gesture_source = ( | 23 self._synthetic_gesture_source = ( |
30 'chrome.gpuBenchmarking.%s_INPUT' % synthetic_gesture_source) | 24 'chrome.gpuBenchmarking.%s_INPUT' % synthetic_gesture_source) |
31 | 25 |
32 if (self._selector is None and self._text is None and | |
33 self._element_function is None): | |
34 self._element_function = 'document.body' | |
35 | |
36 def WillRunAction(self, tab): | 26 def WillRunAction(self, tab): |
37 utils.InjectJavaScript(tab, 'gesture_common.js') | 27 utils.InjectJavaScript(tab, 'gesture_common.js') |
38 utils.InjectJavaScript(tab, 'pinch.js') | 28 utils.InjectJavaScript(tab, 'pinch.js') |
39 | 29 |
40 # Fail if browser doesn't support synthetic pinch gestures. | 30 # Fail if browser doesn't support synthetic pinch gestures. |
41 if not tab.EvaluateJavaScript('window.__PinchAction_SupportedByBrowser()'): | 31 if not tab.EvaluateJavaScript('window.__PinchAction_SupportedByBrowser()'): |
42 raise page_action.PageActionNotSupported( | 32 raise page_action.PageActionNotSupported( |
43 'Synthetic pinch not supported for this browser') | 33 'Synthetic pinch not supported for this browser') |
44 | 34 |
45 tab.ExecuteJavaScript(""" | 35 tab.ExecuteJavaScript(""" |
46 window.__pinchActionDone = false; | 36 window.__pinchActionDone = false; |
47 window.__pinchAction = new __PinchAction(function() { | 37 window.__pinchAction = new __PinchAction(function() { |
48 window.__pinchActionDone = true; | 38 window.__pinchActionDone = true; |
49 });""") | 39 });""") |
50 | 40 |
51 @staticmethod | 41 @staticmethod |
52 def _GetDefaultScaleFactorForPage(tab): | 42 def _GetDefaultScaleFactorForPage(tab): |
53 current_scale_factor = tab.EvaluateJavaScript( | 43 current_scale_factor = tab.EvaluateJavaScript(""" |
54 'window.outerWidth / window.innerWidth') | 44 "visualViewport" in window |
| 45 ? visualViewport.scale |
| 46 : window.outerWidth / window.innerWidth'""") |
55 return 3.0 / current_scale_factor | 47 return 3.0 / current_scale_factor |
56 | 48 |
57 def RunAction(self, tab): | 49 def RunAction(self, tab): |
58 scale_factor = (self._scale_factor if self._scale_factor else | 50 scale_factor = (self._scale_factor if self._scale_factor else |
59 PinchAction._GetDefaultScaleFactorForPage(tab)) | 51 PinchAction._GetDefaultScaleFactorForPage(tab)) |
60 code = js_template.Render( | 52 code = js_template.Render( |
61 """ | 53 """ |
62 function(element, info) { | 54 window.__pinchAction.start({ |
63 if (!element) { | 55 left_anchor_ratio: {{ left_anchor_ratio }}, |
64 throw Error('Cannot find element: ' + info); | 56 top_anchor_ratio: {{ top_anchor_ratio }}, |
65 } | 57 scale_factor: {{ scale_factor }}, |
66 window.__pinchAction.start({ | 58 speed: {{ speed }} |
67 element: element, | 59 });""", |
68 left_anchor_ratio: {{ left_anchor_ratio }}, | |
69 top_anchor_ratio: {{ top_anchor_ratio }}, | |
70 scale_factor: {{ scale_factor }}, | |
71 speed: {{ speed }} | |
72 }); | |
73 }""", | |
74 left_anchor_ratio=self._left_anchor_ratio, | 60 left_anchor_ratio=self._left_anchor_ratio, |
75 top_anchor_ratio=self._top_anchor_ratio, | 61 top_anchor_ratio=self._top_anchor_ratio, |
76 scale_factor=scale_factor, | 62 scale_factor=scale_factor, |
77 speed=self._speed) | 63 speed=self._speed) |
78 page_action.EvaluateCallbackWithElement( | 64 tab.EvaluateJavaScript(code) |
79 tab, | |
80 code, | |
81 selector=self._selector, | |
82 text=self._text, | |
83 element_function=self._element_function) | |
84 tab.WaitForJavaScriptCondition('window.__pinchActionDone', timeout=60) | 65 tab.WaitForJavaScriptCondition('window.__pinchActionDone', timeout=60) |
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