android_webview/browser/shared_renderer_state.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "android_webview/browser/shared_renderer_state.h"
   6
   7 #include "android_webview/browser/browser_view_renderer_client.h"
   8 #include "base/bind.h"
   9 #include "base/location.h"
  10
  11 namespace android_webview {
  12
  13 DrawGLInput::DrawGLInput() : frame_id(0) {}
  14
  15 DrawGLResult::DrawGLResult() : frame_id(0), clip_contains_visible_rect(false) {}
  16
  17 SharedRendererState::SharedRendererState(
  18     scoped_refptr<base::MessageLoopProxy> ui_loop,
  19     BrowserViewRendererClient* client)
  20     : ui_loop_(ui_loop),
  21       client_on_ui_(client),
  22       weak_factory_on_ui_thread_(this),
  23       ui_thread_weak_ptr_(weak_factory_on_ui_thread_.GetWeakPtr()) {
  24   DCHECK(ui_loop_->BelongsToCurrentThread());
  25   DCHECK(client_on_ui_);
  26 }
  27
  28 SharedRendererState::~SharedRendererState() {}
  29
  30 void SharedRendererState::ClientRequestDrawGL() {
  31   if (ui_loop_->BelongsToCurrentThread()) {
  32     ClientRequestDrawGLOnUIThread();
  33   } else {
  34     ui_loop_->PostTask(
  35         FROM_HERE,
  36         base::Bind(&SharedRendererState::ClientRequestDrawGLOnUIThread,
  37                    ui_thread_weak_ptr_));
  38   }
  39 }
  40
  41 void SharedRendererState::ClientRequestDrawGLOnUIThread() {
  42   DCHECK(ui_loop_->BelongsToCurrentThread());
  43   if (!client_on_ui_->RequestDrawGL(NULL)) {
  44     LOG(ERROR) << "Failed to request GL process. Deadlock likely";
  45   }
  46 }
  47
  48 void SharedRendererState::SetCompositorOnUiThread(
  49     content::SynchronousCompositor* compositor) {
  50   DCHECK(ui_loop_->BelongsToCurrentThread());
  51   compositor_ = compositor;
  52 }
  53
  54 content::SynchronousCompositor* SharedRendererState::GetCompositor() {
  55   DCHECK(compositor_);
  56   return compositor_;
  57 }
  58
  59 void SharedRendererState::SetDrawGLInput(const DrawGLInput& input) {
  60   draw_gl_input_ = input;
  61 }
  62
  63 DrawGLInput SharedRendererState::GetDrawGLInput() const {
  64   return draw_gl_input_;
  65 }
  66
  67 }  // namespace android_webview