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Side by Side Diff: chrome/browser/renderer_host/backing_store_x.h

Issue 6532073: Move core pieces of browser\renderer_host to src\content. (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 9 years, 10 months ago
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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2010 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_RENDERER_HOST_BACKING_STORE_X_H_ 5 #ifndef CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_
6 #define CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_ 6 #define CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_
7 #pragma once 7 #pragma once
8 8
9 #include "base/basictypes.h" 9 // TODO(jam): remove this file when all files have been converted.
10 #include "build/build_config.h" 10 #include "content/browser/renderer_host/backing_store_x.h"
11 #include "chrome/browser/renderer_host/backing_store.h"
12 #include "ui/base/x/x11_util.h"
13
14 namespace gfx {
15 class Point;
16 class Rect;
17 } // namespace gfx
18
19 typedef struct _GdkDrawable GdkDrawable;
20 class SkBitmap;
21
22 class BackingStoreX : public BackingStore {
23 public:
24 // Create a backing store on the X server. The visual is an Xlib Visual
25 // describing the format of the target window and the depth is the color
26 // depth of the X window which will be drawn into.
27 BackingStoreX(RenderWidgetHost* widget,
28 const gfx::Size& size,
29 void* visual,
30 int depth);
31
32 // This is for unittesting only. An object constructed using this constructor
33 // will silently ignore all paints
34 BackingStoreX(RenderWidgetHost* widget, const gfx::Size& size);
35
36 virtual ~BackingStoreX();
37
38 Display* display() const { return display_; }
39 XID root_window() const { return root_window_; }
40
41 // Copy from the server-side backing store to the target window
42 // origin: the destination rectangle origin
43 // damage: the area to copy
44 // target: the X id of the target window
45 void XShowRect(const gfx::Point &origin, const gfx::Rect& damage,
46 XID target);
47
48 // As above, but use Cairo instead of Xlib.
49 void CairoShowRect(const gfx::Rect& damage, GdkDrawable* drawable);
50
51 #if defined(TOOLKIT_GTK)
52 // Paint the backing store into the target's |dest_rect|.
53 void PaintToRect(const gfx::Rect& dest_rect, GdkDrawable* target);
54 #endif
55
56 // BackingStore implementation.
57 virtual size_t MemorySize();
58 virtual void PaintToBackingStore(
59 RenderProcessHost* process,
60 TransportDIB::Id bitmap,
61 const gfx::Rect& bitmap_rect,
62 const std::vector<gfx::Rect>& copy_rects);
63 virtual bool CopyFromBackingStore(const gfx::Rect& rect,
64 skia::PlatformCanvas* output);
65 virtual void ScrollBackingStore(int dx, int dy,
66 const gfx::Rect& clip_rect,
67 const gfx::Size& view_size);
68
69 private:
70 // Paints the bitmap from the renderer onto the backing store without
71 // using Xrender to composite the pixmaps.
72 void PaintRectWithoutXrender(TransportDIB* bitmap,
73 const gfx::Rect& bitmap_rect,
74 const std::vector<gfx::Rect>& copy_rects);
75
76 // This is the connection to the X server where this backing store will be
77 // displayed.
78 Display* const display_;
79 // What flavor, if any, MIT-SHM (X shared memory) support we have.
80 const ui::SharedMemorySupport shared_memory_support_;
81 // If this is true, then we can use Xrender to composite our pixmaps.
82 const bool use_render_;
83 // If |use_render_| is false, this is the number of bits-per-pixel for |depth|
84 int pixmap_bpp_;
85 // if |use_render_| is false, we need the Visual to get the RGB masks.
86 void* const visual_;
87 // This is the depth of the target window.
88 const int visual_depth_;
89 // The parent window (probably a GtkDrawingArea) for this backing store.
90 const XID root_window_;
91 // This is a handle to the server side pixmap which is our backing store.
92 XID pixmap_;
93 // This is the RENDER picture pointing at |pixmap_|.
94 XID picture_;
95 // This is a default graphic context, used in XCopyArea
96 void* pixmap_gc_;
97
98 DISALLOW_COPY_AND_ASSIGN(BackingStoreX);
99 };
100 11
101 #endif // CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_ 12 #endif // CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_X_H_
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