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Side by Side Diff: ui/surface/transport_dib.h

Issue 23460052: Move XID, XDisplay, GetXDisplay and a few other types to ui/gfx/x/x11_types.h (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 7 years, 3 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 UI_SURFACE_TRANSPORT_DIB_H_ 5 #ifndef UI_SURFACE_TRANSPORT_DIB_H_
6 #define UI_SURFACE_TRANSPORT_DIB_H_ 6 #define UI_SURFACE_TRANSPORT_DIB_H_
7 7
8 #include "base/basictypes.h" 8 #include "base/basictypes.h"
9 #include "ui/surface/surface_export.h" 9 #include "ui/surface/surface_export.h"
10 10
11 #if !defined(TOOLKIT_GTK) 11 #if !defined(TOOLKIT_GTK)
12 #include "base/memory/shared_memory.h" 12 #include "base/memory/shared_memory.h"
13 #endif 13 #endif
14 14
15 #if defined(OS_WIN) 15 #if defined(OS_WIN)
16 #include <windows.h> 16 #include <windows.h>
17 #elif defined(TOOLKIT_GTK) 17 #elif defined(TOOLKIT_GTK)
18 #include "ui/base/x/x11_util.h" 18 #include "ui/base/x/x11_util.h"
19 #include "ui/gfx/x/x11_types.h"
19 #endif 20 #endif
20 21
21 class SkCanvas; 22 class SkCanvas;
22 23
23 // ----------------------------------------------------------------------------- 24 // -----------------------------------------------------------------------------
24 // A TransportDIB is a block of memory that is used to transport pixels 25 // A TransportDIB is a block of memory that is used to transport pixels
25 // between processes: from the renderer process to the browser, and 26 // between processes: from the renderer process to the browser, and
26 // between renderer and plugin processes. 27 // between renderer and plugin processes.
27 // ----------------------------------------------------------------------------- 28 // -----------------------------------------------------------------------------
28 class SURFACE_EXPORT TransportDIB { 29 class SURFACE_EXPORT TransportDIB {
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182 // on the wire. 183 // on the wire.
183 Id id() const; 184 Id id() const;
184 185
185 // Return a handle to the underlying shared memory. This can be sent over the 186 // Return a handle to the underlying shared memory. This can be sent over the
186 // wire to give this transport DIB to another process. 187 // wire to give this transport DIB to another process.
187 Handle handle() const; 188 Handle handle() const;
188 189
189 #if defined(TOOLKIT_GTK) 190 #if defined(TOOLKIT_GTK)
190 // Map the shared memory into the X server and return an id for the shared 191 // Map the shared memory into the X server and return an id for the shared
191 // segment. 192 // segment.
192 XID MapToX(Display* connection); 193 XID MapToX(XDisplay* connection);
193 194
194 void IncreaseInFlightCounter() { inflight_counter_++; } 195 void IncreaseInFlightCounter() { inflight_counter_++; }
195 // Decreases the inflight counter, and deletes the transport DIB if it is 196 // Decreases the inflight counter, and deletes the transport DIB if it is
196 // detached. 197 // detached.
197 void DecreaseInFlightCounter(); 198 void DecreaseInFlightCounter();
198 199
199 // Deletes this transport DIB and detaches the shared memory once the 200 // Deletes this transport DIB and detaches the shared memory once the
200 // |inflight_counter_| is zero. 201 // |inflight_counter_| is zero.
201 void Detach(); 202 void Detach();
202 #endif 203 #endif
203 204
204 private: 205 private:
205 TransportDIB(); 206 TransportDIB();
206 207
207 // Verifies that the dib can hold a canvas of the requested dimensions. 208 // Verifies that the dib can hold a canvas of the requested dimensions.
208 bool VerifyCanvasSize(int w, int h); 209 bool VerifyCanvasSize(int w, int h);
209 210
210 #if defined(TOOLKIT_GTK) 211 #if defined(TOOLKIT_GTK)
211 Id key_; // SysV shared memory id 212 Id key_; // SysV shared memory id
212 void* address_; // mapped address 213 void* address_; // mapped address
213 XSharedMemoryId x_shm_; // X id for the shared segment 214 XSharedMemoryId x_shm_; // X id for the shared segment
214 Display* display_; // connection to the X server 215 XDisplay* display_; // connection to the X server
215 size_t inflight_counter_; // How many requests to the X server are in flight 216 size_t inflight_counter_; // How many requests to the X server are in flight
216 bool detached_; // If true, delete the transport DIB when it is idle 217 bool detached_; // If true, delete the transport DIB when it is idle
217 #else 218 #else
218 explicit TransportDIB(base::SharedMemoryHandle dib); 219 explicit TransportDIB(base::SharedMemoryHandle dib);
219 base::SharedMemory shared_memory_; 220 base::SharedMemory shared_memory_;
220 uint32 sequence_num_; 221 uint32 sequence_num_;
221 #endif 222 #endif
222 size_t size_; // length, in bytes 223 size_t size_; // length, in bytes
223 224
224 DISALLOW_COPY_AND_ASSIGN(TransportDIB); 225 DISALLOW_COPY_AND_ASSIGN(TransportDIB);
225 }; 226 };
226 227
227 #endif // UI_SURFACE_TRANSPORT_DIB_H_ 228 #endif // UI_SURFACE_TRANSPORT_DIB_H_
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