The Tor Browser: gfx/layers/Compositor.cpp@129ffea94266 (annotated)

gfx/layers/Compositor.cpp@129ffea94266 (annotated)

gfx/layers/Compositor.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
  * This Source Code Form is subject to the terms of the Mozilla Public
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 #include "mozilla/layers/Compositor.h"
 #include "base/message_loop.h"          // for MessageLoop
 #include "mozilla/layers/CompositorParent.h"  // for CompositorParent
 #include "mozilla/layers/Effects.h"     // for Effect, EffectChain, etc
 #include "mozilla/mozalloc.h"           // for operator delete, etc
 #include "gfx2DGlue.h"
 namespace mozilla {
 namespace gfx {
 class Matrix4x4;
 }
 namespace layers {
 /* static */ LayersBackend Compositor::sBackend = LayersBackend::LAYERS_NONE;
 /* static */ LayersBackend
 Compositor::GetBackend()
 {
   AssertOnCompositorThread();
   return sBackend;
 }
 /* static */ void
 Compositor::SetBackend(LayersBackend backend)
 {
   if (sBackend != LayersBackend::LAYERS_NONE && sBackend != backend) {
     // Assert this once we figure out bug 972891.
     //MOZ_CRASH("Trying to use more than one OMTC compositor.");
 #ifdef XP_MACOSX
     printf("ERROR: Changing compositor from %u to %u.\n",
            unsigned(sBackend), unsigned(backend));
 #endif
   }
   sBackend = backend;
 }
 /* static */ void
 Compositor::AssertOnCompositorThread()
 {
   MOZ_ASSERT(CompositorParent::CompositorLoop() ==
              MessageLoop::current(),
              "Can only call this from the compositor thread!");
 }
 bool
 Compositor::ShouldDrawDiagnostics(DiagnosticFlags aFlags)
 {
   if ((aFlags & DIAGNOSTIC_TILE) && !(mDiagnosticTypes & DIAGNOSTIC_TILE_BORDERS)) {
     return false;
   }
   if ((aFlags & DIAGNOSTIC_BIGIMAGE) &&
       !(mDiagnosticTypes & DIAGNOSTIC_BIGIMAGE_BORDERS)) {
     return false;
   }
   if (!mDiagnosticTypes) {
     return false;
   }
   return true;
 }
 void
 Compositor::DrawDiagnostics(DiagnosticFlags aFlags,
                             const nsIntRegion& aVisibleRegion,
                             const gfx::Rect& aClipRect,
                             const gfx::Matrix4x4& aTransform,
                             uint32_t aFlashCounter)
 {
   if (!ShouldDrawDiagnostics(aFlags)) {
     return;
   }
   if (aVisibleRegion.GetNumRects() > 1) {
     nsIntRegionRectIterator screenIter(aVisibleRegion);
     while (const nsIntRect* rect = screenIter.Next())
     {
       DrawDiagnostics(aFlags | DIAGNOSTIC_REGION_RECT,
                       ToRect(*rect), aClipRect, aTransform, aFlashCounter);
     }
   }
   DrawDiagnostics(aFlags, ToRect(aVisibleRegion.GetBounds()),
                   aClipRect, aTransform, aFlashCounter);
 }
 void
 Compositor::DrawDiagnostics(DiagnosticFlags aFlags,
                             const gfx::Rect& aVisibleRect,
                             const gfx::Rect& aClipRect,
                             const gfx::Matrix4x4& aTransform,
                             uint32_t aFlashCounter)
 {
   if (!ShouldDrawDiagnostics(aFlags)) {
     return;
   }
   DrawDiagnosticsInternal(aFlags, aVisibleRect, aClipRect, aTransform,
                           aFlashCounter);
 }
 gfx::Rect
 Compositor::ClipRectInLayersCoordinates(gfx::Rect aClip) const {
   gfx::Rect result;
   aClip = aClip + GetCurrentRenderTarget()->GetOrigin();
   gfx::IntSize destSize = GetWidgetSize();
   switch (mScreenRotation) {
     case ROTATION_0:
       result = aClip;
       break;
     case ROTATION_90:
       result = gfx::Rect(aClip.y,
                          destSize.width - aClip.x - aClip.width,
                          aClip.height, aClip.width);
       break;
     case ROTATION_270:
       result = gfx::Rect(destSize.height - aClip.y - aClip.height,
                          aClip.x,
                          aClip.height, aClip.width);
       break;
     case ROTATION_180:
       result = gfx::Rect(destSize.width - aClip.x - aClip.width,
                          destSize.height - aClip.y - aClip.height,
                          aClip.width, aClip.height);
       break;
       // ScreenRotation has a sentinel value, need to catch it in the switch
       // statement otherwise the build fails (-WError)
     default: {}
   }
   return result;
 }
 void
 Compositor::DrawDiagnosticsInternal(DiagnosticFlags aFlags,
                                     const gfx::Rect& aVisibleRect,
                                     const gfx::Rect& aClipRect,
                                     const gfx::Matrix4x4& aTransform,
                                     uint32_t aFlashCounter)
 {
 #ifdef MOZ_B2G
   int lWidth = 4;
 #elif defined(ANDROID)
   int lWidth = 10;
 #else
   int lWidth = 2;
 #endif
   float opacity = 0.7f;
   gfx::Color color;
   if (aFlags & DIAGNOSTIC_CONTENT) {
     color = gfx::Color(0.0f, 1.0f, 0.0f, 1.0f); // green
     if (aFlags & DIAGNOSTIC_COMPONENT_ALPHA) {
       color = gfx::Color(0.0f, 1.0f, 1.0f, 1.0f); // greenish blue
     }
   } else if (aFlags & DIAGNOSTIC_IMAGE) {
     color = gfx::Color(1.0f, 0.0f, 0.0f, 1.0f); // red
   } else if (aFlags & DIAGNOSTIC_COLOR) {
     color = gfx::Color(0.0f, 0.0f, 1.0f, 1.0f); // blue
   } else if (aFlags & DIAGNOSTIC_CONTAINER) {
     color = gfx::Color(0.8f, 0.0f, 0.8f, 1.0f); // purple
   }
   // make tile borders a bit more transparent to keep layer borders readable.
   if (aFlags & DIAGNOSTIC_TILE ||
       aFlags & DIAGNOSTIC_BIGIMAGE ||
       aFlags & DIAGNOSTIC_REGION_RECT) {
     lWidth = 1;
     opacity = 0.5f;
     color.r *= 0.7f;
     color.g *= 0.7f;
     color.b *= 0.7f;
   }
   if (mDiagnosticTypes & DIAGNOSTIC_FLASH_BORDERS) {
     float flash = (float)aFlashCounter / (float)DIAGNOSTIC_FLASH_COUNTER_MAX;
     color.r *= flash;
     color.g *= flash;
     color.b *= flash;
   }
   EffectChain effects;
   effects.mPrimaryEffect = new EffectSolidColor(color);
   // left
   this->DrawQuad(gfx::Rect(aVisibleRect.x, aVisibleRect.y,
                            lWidth, aVisibleRect.height),
                  aClipRect, effects, opacity,
                  aTransform);
   // top
   this->DrawQuad(gfx::Rect(aVisibleRect.x + lWidth, aVisibleRect.y,
                            aVisibleRect.width - 2 * lWidth, lWidth),
                  aClipRect, effects, opacity,
                  aTransform);
   // right
   this->DrawQuad(gfx::Rect(aVisibleRect.x + aVisibleRect.width - lWidth, aVisibleRect.y,
                            lWidth, aVisibleRect.height),
                  aClipRect, effects, opacity,
                  aTransform);
   // bottom
   this->DrawQuad(gfx::Rect(aVisibleRect.x + lWidth, aVisibleRect.y + aVisibleRect.height-lWidth,
                            aVisibleRect.width - 2 * lWidth, lWidth),
                  aClipRect, effects, opacity,
                  aTransform);
 }
 } // namespace
 } // namespace

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gfx/layers/Compositor.cpp@129ffea94266 (annotated)

gfx/layers/Compositor.cpp