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| author | dgozman@chromium.org <dgozman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-10-03 02:07:51 +0000 |
|---|---|---|
| committer | dgozman@chromium.org <dgozman@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-10-03 02:07:51 +0000 |
| commit | b2e4c70138559bbadb9db0cb2279d7b6254dcb03 (patch) | |
| tree | 7c137331605e497c352b5c86c37f5c2c76cf3cae /content/renderer/devtools | |
| parent | 53d8e09c7b068dfb6a870241dc8eafdb82c5e31c (diff) | |
| download | chromium_src-b2e4c70138559bbadb9db0cb2279d7b6254dcb03.zip chromium_src-b2e4c70138559bbadb9db0cb2279d7b6254dcb03.tar.gz chromium_src-b2e4c70138559bbadb9db0cb2279d7b6254dcb03.tar.bz2 | |
Implementation of device metrics emulation in render view.
This is used by DevTools to emulate various devices on desktop browser.
Emulation includes changing view size, view/window screen positions and
device scale factor. Also, the whole view is scaled down if required to
fit the browser window.
To achieve this, render widget creates an emulator, which handles metrics
override by intercepting size/position-related messages.
Scaling down is done by setting transform on the root composited layer
on the blink side.
This emulation is transparent to browser side.
Depends on Blink-side patch: https://codereview.chromium.org/23187005/
BUG=288959
Review URL: https://codereview.chromium.org/23364004
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@226663 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'content/renderer/devtools')
| -rw-r--r-- | content/renderer/devtools/devtools_agent.cc | 17 | ||||
| -rw-r--r-- | content/renderer/devtools/devtools_agent.h | 5 |
2 files changed, 22 insertions, 0 deletions
diff --git a/content/renderer/devtools/devtools_agent.cc b/content/renderer/devtools/devtools_agent.cc index 635acc1..cb9aeba 100644 --- a/content/renderer/devtools/devtools_agent.cc +++ b/content/renderer/devtools/devtools_agent.cc @@ -22,6 +22,7 @@ #include "third_party/WebKit/public/web/WebConsoleMessage.h" #include "third_party/WebKit/public/web/WebDevToolsAgent.h" #include "third_party/WebKit/public/web/WebFrame.h" +#include "third_party/WebKit/public/web/WebSettings.h" #include "third_party/WebKit/public/web/WebView.h" #if defined(USE_TCMALLOC) @@ -144,6 +145,22 @@ void DevToolsAgent::setTraceEventCallback(TraceEventCallback cb) { } } +void DevToolsAgent::enableDeviceEmulation( + const WebKit::WebSize& device_size, + const WebKit::WebRect& view_rect, + float device_scale_factor, + bool fit_to_view) { + RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view()); + impl->webview()->settings()->setForceCompositingMode(true); + impl->EnableScreenMetricsEmulation(gfx::Size(device_size), + gfx::Rect(view_rect), device_scale_factor, fit_to_view); +} + +void DevToolsAgent::disableDeviceEmulation() { + RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view()); + impl->DisableScreenMetricsEmulation(); +} + #if defined(USE_TCMALLOC) && !defined(OS_WIN) static void AllocationVisitor(void* data, const void* ptr) { typedef WebKit::WebDevToolsAgentClient::AllocatedObjectVisitor Visitor; diff --git a/content/renderer/devtools/devtools_agent.h b/content/renderer/devtools/devtools_agent.h index 4ac22db..9860ed7 100644 --- a/content/renderer/devtools/devtools_agent.h +++ b/content/renderer/devtools/devtools_agent.h @@ -53,6 +53,11 @@ class DevToolsAgent : public RenderViewObserver, virtual void clearBrowserCookies(); virtual void visitAllocatedObjects(AllocatedObjectVisitor* visitor); virtual void setTraceEventCallback(TraceEventCallback cb); + virtual void enableDeviceEmulation( + const WebKit::WebSize& device_size, + const WebKit::WebRect& view_rect, float device_scale_factor, + bool fit_to_view); + virtual void disableDeviceEmulation(); void OnAttach(); void OnReattach(const std::string& agent_state); |