Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(449)

Side by Side Diff: cc/input_handler.h

Issue 11367080: cc: Remove all remaining use of WebCore Rect/Point/Size types from the compositor. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: rebase Created 8 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « cc/geometry.h ('k') | cc/layer.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2011 The Chromium Authors. All rights reserved. 1 // Copyright 2011 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 CC_INPUT_HANDLER_H_ 5 #ifndef CC_INPUT_HANDLER_H_
6 #define CC_INPUT_HANDLER_H_ 6 #define CC_INPUT_HANDLER_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "base/time.h" 9 #include "base/time.h"
10 #include "cc/cc_export.h" 10 #include "cc/cc_export.h"
11 11
12 namespace gfx { 12 namespace gfx {
13 class Point; 13 class Point;
14 class Vector2d;
14 } 15 }
15 16
16 namespace cc { 17 namespace cc {
17 18
18 class IntPoint;
19 class IntSize;
20
21 // The InputHandler is a way for the embedders to interact with 19 // The InputHandler is a way for the embedders to interact with
22 // the impl thread side of the compositor implementation. 20 // the impl thread side of the compositor implementation.
23 // 21 //
24 // There is one InputHandler for every LayerTreeHost. It is 22 // There is one InputHandler for every LayerTreeHost. It is
25 // created on the main thread and used only on the impl thread. 23 // created on the main thread and used only on the impl thread.
26 // 24 //
27 // The InputHandler is constructed with a InputHandlerClient, which is the 25 // The InputHandler is constructed with a InputHandlerClient, which is the
28 // interface by which the handler can manipulate the LayerTree. 26 // interface by which the handler can manipulate the LayerTree.
29 class CC_EXPORT InputHandlerClient { 27 class CC_EXPORT InputHandlerClient {
30 public: 28 public:
31 enum ScrollStatus { ScrollOnMainThread, ScrollStarted, ScrollIgnored }; 29 enum ScrollStatus { ScrollOnMainThread, ScrollStarted, ScrollIgnored };
32 enum ScrollInputType { Gesture, Wheel }; 30 enum ScrollInputType { Gesture, Wheel };
33 31
34 // Selects a layer to be scrolled at a given point in viewport (logical 32 // Selects a layer to be scrolled at a given point in viewport (logical
35 // pixel) coordinates. Returns ScrollStarted if the layer at the coordinates 33 // pixel) coordinates. Returns ScrollStarted if the layer at the coordinates
36 // can be scrolled, ScrollOnMainThread if the scroll event should instead be 34 // can be scrolled, ScrollOnMainThread if the scroll event should instead be
37 // delegated to the main thread, or ScrollIgnored if there is nothing to be 35 // delegated to the main thread, or ScrollIgnored if there is nothing to be
38 // scrolled at the given coordinates. 36 // scrolled at the given coordinates.
39 virtual ScrollStatus scrollBegin(const gfx::Point&, ScrollInputType) = 0; 37 virtual ScrollStatus scrollBegin(gfx::Point, ScrollInputType) = 0;
40 38
41 // Scroll the selected layer starting at the given position. If the scroll 39 // Scroll the selected layer starting at the given position. If the scroll
42 // type given to scrollBegin was a gesture, then the scroll point and delta 40 // type given to scrollBegin was a gesture, then the scroll point and delta
43 // should be in viewport (logical pixel) coordinates. Otherwise they are in 41 // should be in viewport (logical pixel) coordinates. Otherwise they are in
44 // scrolling layer's (logical pixel) space. If there is no room to move the 42 // scrolling layer's (logical pixel) space. If there is no room to move the
45 // layer in the requested direction, its first ancestor layer that can be 43 // layer in the requested direction, its first ancestor layer that can be
46 // scrolled will be moved instead. Should only be called if scrollBegin() 44 // scrolled will be moved instead. Should only be called if scrollBegin()
47 // returned ScrollStarted. 45 // returned ScrollStarted.
48 virtual void scrollBy(const gfx::Point&, const IntSize&) = 0; 46 virtual void scrollBy(gfx::Point, gfx::Vector2d) = 0;
49 47
50 // Stop scrolling the selected layer. Should only be called if scrollBegin() 48 // Stop scrolling the selected layer. Should only be called if scrollBegin()
51 // returned ScrollStarted. 49 // returned ScrollStarted.
52 virtual void scrollEnd() = 0; 50 virtual void scrollEnd() = 0;
53 51
54 virtual void pinchGestureBegin() = 0; 52 virtual void pinchGestureBegin() = 0;
55 virtual void pinchGestureUpdate(float magnifyDelta, const IntPoint& anchor) = 0; 53 virtual void pinchGestureUpdate(float magnifyDelta, gfx::Point anchor) = 0;
56 virtual void pinchGestureEnd() = 0; 54 virtual void pinchGestureEnd() = 0;
57 55
58 virtual void startPageScaleAnimation(const IntSize& targetPosition, 56 virtual void startPageScaleAnimation(gfx::Vector2d targetOffset,
59 bool anchorPoint, 57 bool anchorPoint,
60 float pageScale, 58 float pageScale,
61 base::TimeTicks startTime, 59 base::TimeTicks startTime,
62 base::TimeDelta duration) = 0; 60 base::TimeDelta duration) = 0;
63 61
64 // Request another callback to InputHandler::animate(). 62 // Request another callback to InputHandler::animate().
65 virtual void scheduleAnimation() = 0; 63 virtual void scheduleAnimation() = 0;
66 64
67 protected: 65 protected:
68 InputHandlerClient() { } 66 InputHandlerClient() { }
(...skipping 13 matching lines...) Expand all
82 protected: 80 protected:
83 InputHandler() { } 81 InputHandler() { }
84 82
85 private: 83 private:
86 DISALLOW_COPY_AND_ASSIGN(InputHandler); 84 DISALLOW_COPY_AND_ASSIGN(InputHandler);
87 }; 85 };
88 86
89 } 87 }
90 88
91 #endif // CC_INPUT_HANDLER_H_ 89 #endif // CC_INPUT_HANDLER_H_
OLDNEW
« no previous file with comments | « cc/geometry.h ('k') | cc/layer.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698